diff options
Diffstat (limited to 'gcc/ChangeLog-2009')
| -rw-r--r-- | gcc/ChangeLog-2009 | 34876 |
1 files changed, 34876 insertions, 0 deletions
diff --git a/gcc/ChangeLog-2009 b/gcc/ChangeLog-2009 new file mode 100644 index 000000000..af1a94f7b --- /dev/null +++ b/gcc/ChangeLog-2009 @@ -0,0 +1,34876 @@ +2009-12-31 Jakub Jelinek <jakub@redhat.com> + + * tree-dump.c (dump_options): Don't set TDF_NOUID for all. + +2009-12-31 Dave Korn <dave.korn.cygwin@gmail.com> + Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk> + + PR target/41605 + * config/darwin.h (LINK_COMMAND_SPEC): Resolve fopenmp specifically + for target. + (LINK_SPEC): Replace dynamic libraries by static equivalents where + necessary. + * config/darwin9.h (LINK_COMMAND_SPEC): Resolve fopenmp specifically + for target. + +2009-12-30 Dave Korn <dave.korn.cygwin@gmail.com> + + PR lto/42531 + * lto-streamer-out.c (produce_asm): Skip any leading asterisk when + using DECL_ASSEMBLER_NAME to generate a section name. + (copy_function): Likewise. + +2009-12-30 Andreas Schwab <schwab@linux-m68k.org> + + PR target/42516 + * config/m68k/m68k.md (rotlsi_16): New insn. + +2009-12-30 Joseph Myers <joseph@codesourcery.com> + + PR c/42439 + * c-decl.c (check_bitfield_type_and_width): Only pedwarn if + pedantic for bit-field width not an integer constant expression + but folding to one. + +2009-12-30 Ira Rosen <irar@il.ibm.com> + + PR tree-optimization/41956 + * tree-vect-slp.c (vect_supported_load_permutation_p): Add check that + the load indices differ. + +2009-12-30 Uros Bizjak <ubizjak@gmail.com> + + PR target/42549 + * config/i386/mmx.md (*mmx_subv2sf3): Fix insn operand number for + alternative 1. + +2009-12-30 Robert Millan <rmh.gcc@aybabtu.com> + + PR other/42537 + * errors.c: Fix typo in comment. + * graphite-sese-to-poly.c: Likewise. + * profile.c (is_inconsistent): Fix typo in string. + +2009-12-29 Ian Lance Taylor <iant@google.com> + + PR middle-end/42099 + * expmed.c (expand_divmod): Don't shift HOST_WIDE_INT value more + than HOST_BITS_PER_WIDE_INT. + +2009-12-29 H.J. Lu <hongjiu.lu@intel.com> + + * config/i386/i386.c (ix86_expand_int_vcond): Reformat. + +2009-12-29 Dave Korn <dave.korn.cygwin@gmail.com> + Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk> + + PR objective-c++/41595 + * config/darwin.c (darwin_label_is_anonymous_local_objc_name): + New function to recognize objective c/c++ internal symbols, + including mangled ones. + * config/darwin.h (ASM_OUTPUT_LABELREF): Use + darwin_label_is_anonymous_local_objc_name to detect both + mangled and clear ObjC internal symbols. + +2009-12-28 H.J. Lu <hongjiu.lu@intel.com> + + PR middle-end/41344 + * omp-low.c (diagnose_sb_2): Handle GIMPLE_COND. + +2009-12-24 Andy Hutchinson <hutchinsonandy@gcc.gnu.org> + + PR target/42457 + * config/avr/avr.c (avr_extra_arch_macro): Remove static. + (avr_cpu_cpp_builtins): Remove. + * config/avr/avr.h (avr_extra_arch_macro): Add prototype. + * config/avr/avr-c.c: New File. + (avr_cpu_cpp_builtins) : Add. + * config/avr/t-avr: Add make information for avr-c. + * config.gcc (avr-*-*): Include avr-c.o as c and cpp object. + +2009-12-24 Andy Hutchinson <hutchinsonandy@gcc.gnu.org> + + PR target/35013, 27192 + * config/avr/avr.c (print_operand_address): Print correct program + memory address. + Add warning for large device offset addresses. + (avr_assemble_integer): Ditto. + (print_operand): Add warnings for incorrect addressing. + (out_movqi_r_mr): Tag assembler with new address codes. + (out_movhi_r_mr): Ditto. + (out_movsi_r_mr): Ditto. + (out_movqi_mr_r): Ditto. + (out_movhi_mr_r): Ditto. + (out_movsi_mr_r): Ditto. + * config/avr/predicates.md (text_segment_operand): New predicate. + * config/avr/avr.md (jump): Tag assembler with new address codes. + (call_insn): Ditto. + (call_value_insn): Ditto. + (*tablejump_lib): Ditto. + (*cbi): Ditto. + (*sbi): Ditto. + (indirect_jump): New define_expand. + (jcindirect_jump): New pattern for constant expression jump. + (njcindirect_jump): Renamed old indirect_jump. + +2009-12-24 Steven Bosscher <steven@gcc.gnu.org> + + * store-motion.c (build_store_vectors): Clear regs_set_in_block at + the start of a loop over basic blocks. + +2009-12-24 Julian Brown <julian@codesourcery.com> + Ramana Radhakrishnan <ramana.radhakrishnan@arm.com> + + PR target/40887 + * config/arm/arm.c (output_call_mem): Remove armv5 support. + * config/arm/arm.md (*call_mem): Disable for armv5. Add note. + (*call_value_mem): Likewise. + +2009-12-23 Jakub Jelinek <jakub@redhat.com> + + PR rtl-optimization/42475 + * combine.c (make_compound_operation) <case SUBREG>: Use mode of + SUBREG_REG (x) instead of tem's mode. + +2009-12-23 Jakub Jelinek <jakub@redhat.com> + Cary Coutant <ccoutant@google.com> + + PR debug/42454 + * dwarf2out.c (add_ranges_by_labels): Conditionally Add DW_AT_ranges + attribute. + (dwarf2out_finish): Change calls to add_ranges_by_labels. + +2009-12-23 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com> + + PR target/42093 + * config/arm/arm.h (CASE_VECTOR_PC_RELATIVE): Fix macro usage + to TARGET_THUMB1. + (CASE_VECTOR_SHORTEN_MODE): Allow signed offsets + only for TARGET_THUMB1. + +2009-12-23 Ramana Radhakrishnan <ramrad01@arm.com> + + PR target/40670 + * config/arm/arm.md: Split for Thumb1 as well. + +2009-12-22 Cary Coutant <ccoutant@google.com> + + PR debug/42454 + * dwarf2out.c (dwarf2out_finish): Don't output range for .text + section unless .text section was used. Likewise for cold. + +2009-12-22 Brian Hackett <bhackett1024@gmail.com> + + * doc/plugins.texi: Rename pre-genericize event. + +2009-12-22 Paolo Carlini <paolo.carlini@oracle.com> + + PR driver/42463 + * params.def ([PARAM_PREDICTABLE_BRANCH_OUTCOME]): Fix typo in + help string. + + * doc/invoke.texi: Fix typo. + +2009-12-22 Paul Brook <paul@codesourcery.com> + + * doc/tm.texi (ARG_POINTER_CFA_OFFSET): Document new default. + * defaults.h (ARG_POINTER_CFA_OFFSET): Add pretend_args_size. + * config/spu/spu.h (ARG_POINTER_CFA_OFFSET): Add pretend_args_size. + +2009-12-21 Brian Hackett <bhackett1024@gmail.com> + + * plugin.def: Rename pre-genericize event. + * plugin.c (register_callback, invoke_plugin_callbacks): Same. + * c-decl.c (finish_function): Invoke callbacks on above event. + +2009-12-21 Jakub Jelinek <jakub@redhat.com> + + PR rtl-optimization/42429 + * reload.c (find_reloads_subreg_address): When adjusting mode of + MEM, update also MEM_SIZE if it is set. + +2009-12-21 H.J. Lu <hongjiu.lu@intel.com> + + PR bootstrap/42345 + * acinclude.m4 (gcc_GAS_FLAGS): New. + (gcc_GAS_CHECK_FEATURE): Use gcc_GAS_FLAGS. + * configure: Regenerated. + +2009-12-20 Michael Matz <matz@suse.de> + + PR tree-optimization/42027 + * cfgexpand.c (expand_gimple_cond): Use jumpy sequence for &, &&, | + and || if jumps are cheap. + +2009-12-19 Richard Guenther <rguenther@suse.de> + + PR lto/42401 + * lto-streamer-out.c (tree_is_indexable): Local statics are indexable. + (lto_output_tree_ref): Adjust assert. + +2009-12-19 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/42108 + * tree-ssa-sccvn.c (last_vuse_ptr): New variable. + (vn_reference_lookup_2): Update last seen VUSE. + (vn_reference_lookup_3): Avoid updating last seen VUSE after + translating. + (visit_reference_op_load): Use last seen VUSE from the first + lookup when entering into the table. + +2009-12-19 Joern Rennecke <amylaar@spamcop.net> + + * Makefile.in (PLUGIN_HEADERS): Add more headers. + + * tree-pass.h (GCC_PASS_LISTS): Define. + (PASS_LIST_NO_all_lowering_passes): New enumeration value. + (PASS_LIST_NO_all_small_ipa_passes): Likewise. + (PASS_LIST_NO_all_regular_ipa_passes): Likewise. + (PASS_LIST_NO_all_lto_gen_passes): Likewise. + (PASS_LIST_NO_all_passes): Likewise. + (PASS_LIST_NUM): Likewise. + (gcc_pass_lists): Declare. + * passes.c (gcc_pass_lists): Define. + +2009-12-18 Richard Guenther <rguenther@suse.de> + + * tree-ssa-sccvn.c (copy_nary): New function. + (copy_phis): Likewise. + (copy_references): Likewise. + (process_scc): Avoid last iteration by copying the + optimistic table to the valid table. + +2009-12-17 Jakub Jelinek <jakub@redhat.com> + + * dwarf2out.c (loc_descriptor): For SYMBOL_REFs and LABEL_REFs + use DW_OP_addr+DW_OP_stack_value instead of DW_OP_implicit_value. + (add_const_value_attribute): For CONST_STRING, SYMBOL_REFs and + LABEL_REFs use DW_OP_addr+DW_OP_stack_value DW_AT_location instead of + DW_AT_const_value. + +2009-12-17 Alexandre Oliva <aoliva@redhat.com> + + PR debug/41679 + * var-tracking.c (count_uses): Count MO_VAL_USE of original + MO_VAL_SET value for COND_EXEC. + (add_stores): Handle conditional stores. + + PR debug/41679 + * var-tracking.c (use_type): Remove indirection from loc. + (count_uses): Dereference incoming loc early. + (add_uses): Dereference incoming loc early. + + PR debug/41679 + * var-tracking.c (add_stores): Avoid value mode mismatch for + promoted declarations. + +2009-12-17 Jakub Jelinek <jakub@redhat.com> + + PR c++/42386 + * ipa.c (function_and_variable_visibility): Clear same_comdat_group + links of DECL_EXTERNAL nodes. + +2009-12-17 Sandra Loosemore <sandra@codesourcery.com> + + * doc/rtl.texi (Vector Operations): Clarify vec_select result mode. + +2009-12-17 Julian Brown <julian@codesourcery.com> + + * config/arm/bpabi-v6m.S (test_div_by_zero): New macro. + (aeabi_ldivmod, aeabi_uldivmod): Use above macro. + * config/arm/bpabi.S (test_div_by_zero): New macro. + (aeabi_ldivmod, aeabi_uldivmod): Use above macro. + * config/arm/lib1funcs.asm (ARM_LDIV0): Tail-call int div-by-zero + handler for EABI. Add signed/unsigned argument, pass correct value + to that handler. + (THUMB_LDIV0): Same, for Thumb. + (DIV_FUNC_END): Add signed argument. + (WEAK): New macro (for EABI). + (__udivsi3, __umodsi3): Add unsigned argument to DIV_FUNC_END. For + __udivsi3, add entry point which skips division-by-zero test. + (__divsi3, __modsi3): Add signed argument to DIV_FUNC_END. + (__aeabi_uidivmod, __aeabi_idivmod): Check for division by zero. + Call __udivsi3 or __divsi3 via entry points which skip + division-by-zero tests. + (__div0): Rename to __aeabi_idiv0, __aeabi_ldiv0 for EABI, and + declare those names weak. + +2009-12-17 Richard Guenther <rguenther@suse.de> + + PR middle-end/42397 + * builtins.c (get_object_alignment): Properly deal with + a CONST_DECL base. + * expr.c (emit_block_move_hints): Assert the alignment makes sense. + +2009-12-17 Uros Bizjak <ubizjak@gmail.com> + + PR target/32280 + * config/i386/i386-modes.def (V1TI): New vector mode. + * config/i386/i386.h (VALID_SSE_REG_MODE): Add V1TImode. + (SSE_REG_MODE_P): Ditto. + * config/i386/sse.md (SSEMODE16): New mode iterator. + (AVXMODE16): Ditto. + (avxvecmode): Handle V1TI mode. + (*avx_mov<mode>_internal): Use AVXMODE16 instead of AVXMODE. + (mov<mode>): Use SSEMODE16 instead of SSEMODE. + (*mov<mode>_internal): Ditto. + (push<mode>1): Ditto. + (movmisalign<mode>): Ditto. + (sse2_ashlv1ti): Rename from sse2_ashlti. + (sse2_lshrv1ti): Rename from sse2_lshrti. + (*avx_ashlv1ti): Rename from *avx_ashlti and move from i386.md. + (*avx_lshrv1ti): Rename from *avx_lshrti and move from i386.md. + (vec_shl_<mode>): Convert operands to V1TImode and use V1TI shift. + (vec_shr_<mode>): Ditto. + (*sse2_mulv4si3): Update for renamed sse2_ashlv1ti3. + (udot_prodv4si): Ditto. + * config/i386/i386.c (classify_argument): Handle V1TImode. + (function_arg_advance_32): Ditto. + (function_arg_32): Ditto. + (ix86_expand_sse4_unpack): Convert operands to V1TImode and update + for renamed gen_sse2_lshrv1ti3. + (ix86_expand_args_builtin) <V2DI_FTYPE_V2DI_INT_CONVERT>: Set rmode + to V1TImode. + (struct builtin_description) <__builtin_ia32_pslldqi128>: Update + for renamed sse2_ashlv1ti3. + <__builtin_ia32_psrldqi128>: Update for renamed sse2_lshrv1ti3. + + Revert: + 2007-06-11 Uros Bizjak <ubizjak@gmail.com> + + PR target/32280 + * config/i386/sse.md ("sse2_ashlti", "sse2_lshrti3"): Move ... + * config/i386/i386.md ("sse2_ashlti", "sse2_lshrti3"): ... to here. + +2009-12-17 Richard Earnshaw <rearnsha@arm.com> + + PR target/42372 + * arm.md (pic_add_dot_plus_eight): Change output constraint from + update to write. + +2009-12-17 Shujing Zhao <pearly.zhao@oracle.com> + + * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): + Update build_indirect_ref calls. + +2009-12-17 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/sync.md (IMODE): Remove mode iterator. + (modesuffix): Remove mode attribute. + (modeconstraint): Ditto. + (immconstraint): Ditto. + (*sync_compare_and_swap<mode>): Use SWI mode iterator instead of + IMODE mode iterator, imodesuffix mode attribute instead of modesuffix, + <r> mode attribute instead of modeconstraint and <i> mode attribute + instead of immconstraint. + (sync_double_compare_and_swap<mode>): Ditto. + (sync_old_add<mode>): Ditto. + (sync_lock_test_and_set<mode>): Ditto. + (sync_add<mode>): Ditto. + (sync_sub<mode>): Ditto. + (sync_and<mode>): Ditto. + (sync_ior<mode>): Ditto. + (sync_xor<mode>): Ditto. + (sync_<code><mode>): Macroize insn pattern from + sync_{and,ior,xor}<mode> using any_logic code iterator. + +2009-12-17 Shujing Zhao <pearly.zhao@oracle.com> + + PR c/40885 + * c-common.h (ref_operator): New type. + (build_indirect_ref): Adjust prototype with new argument. + * c-typeck.c (build_indirect_ref): Accept ref_operator as argument and + emit the diagnostics for easy translation. + (build_array_ref): Update calls to build_indirect_ref. + * c-omp.c (c_finish_omp_atomic): Likewise. + * c-parser.c (c_parser_unary_expression, + c_parser_postfix_expression_after_primary): Likewise. + +2009-12-16 Richard Guenther <rguenther@suse.de> + + PR lto/42392 + * langhooks.c (lhd_begin_section): Make sure to switch back + to the text section, not some random one. + +2009-12-16 Jakub Jelinek <jakub@redhat.com> + + * tree-chrec.c (chrec_convert_1): Only fold (T2)(t +- x) to + (T2)t +- (T2)x if only integer types are involved. + +2009-12-16 Ben Elliston <bje@au.ibm.com> + + * tree-data-ref.h (dot_rdg): Remove prototype. + * tree-data-ref.c (dog_rdg_1, dot_rdg): Remove. + +2009-12-16 Kazu Hirata <kazu@codesourcery.com> + + * doc/invoke.texi, doc/options.texi, doc/plugins.texi, + doc/tm.texi: Fix typos. + +2009-12-15 Ralf Wildenhues <Ralf.Wildenhues@gmx.de> + + * doc/extend.texi (Function Attributes, Extended Asm): + Replace TABs with spaces. + * doc/md.texi (Standard Names): Likewise. + * doc/plugins.texi (Plugins): Likewise. + + * doc/c-tree.texi (Expression trees): Use @itemx for all but + the first item for merged items. + * doc/extend.texi (Variable Attributes): Likewise. + * doc/install.texi (Configuration): Likewise. + * doc/invoke.texi (RS/6000 and PowerPC Options, RX Options): + Likewise. + +2009-12-15 Richard Guenther <rguenther@suse.de> + + * tree.c (free_lang_data_in_binfo): Do not free BINFO_OFFSET + and BINFO_VPTR_FIELD. + (free_lang_data_in_type): Do not free TYPE_STUB_DECL if we + generate debug information. + (free_lang_data_in_decl): Do not free DECL_SIZE_UNIT, + DECL_SIZE, DECL_FIELD_OFFSET and DECL_FCONTEXT. + (free_lang_data): Do not disable debuginfo. + * lto-streamer-out.c (write_symbol_vec): Deal with + non-constant DECL_SIZE. + (pack_ts_base_value_fields): Write types with false + TREE_ASM_WRITTEN. + (lto_output_ts_type_tree_pointers): Stream TYPE_STUB_DECL. + * lto-streamer-in.c (lto_input_ts_type_tree_pointers): Stream + TYPE_STUB_DECL. + * dwarf2out.c (add_pure_or_virtual_attribute): Check for + DECL_CONTEXT. + (gen_type_die_for_member): Test for TYPE_STUB_DECL. + * opts.c (decode_options): Do not disable var-tracking for lto. + * doc/invoke.texi (-flto): Document -flto vs. -g experimental + status. + (-fwhopr): Document experimental status. + +2009-12-15 Aldy Hernandez <aldyh@redhat.com> + + PR graphite/42185 + * graphite-sese-to-poly.c (is_reduction_operation_p): Assert that + we are a GIMPLE_ASSIGN. Do not calculate rhs code twice. + (follow_ssa_with_commutative_ops): Return NULL on non assignment. + +2009-12-15 Eric Botcazou <ebotcazou@adacore.com> + + * config/rs6000/rs6000.md (probe_stack): Use an enclosing SET. + +2009-12-15 Richard Guenther <rguenther@suse.de> + + * gimple.h (compare_field_offset): Declare. + * gimple.c (compare_field_offset): Export. + * lto-streamer-in.c (input_gimple_stmt): Use compare_field_offset. + +2009-12-15 Richard Guenther <rguenther@suse.de> + + * lto-cgraph.c (lto_output_node): Also stream the alias + for regular aliases. + (input_node): Likewise. + +2009-12-15 Paolo Bonzini <bonzini@gnu.org> + Shujing Zhao <pearly.zhao@oracle.com> + + * intl.c (get_spaces): New. + * intl.h (get_spaces): New. + +2009-12-14 Jakub Jelinek <jakub@redhat.com> + + PR bootstrap/42369 + * config/i386/i386.c (ix86_expand_special_args_builtin): Avoid + using switch with CODE_FOR_lwp_lwp* cases. + + * config/i386/i386-builtin-types.def (PVOID_FTYPE_VOID): Use + DEF_FUNCTION_TYPE (PVOID) instead of DEF_FUNCTION_TYPE (PVOID, VOID). + +2009-12-14 Eric Botcazou <ebotcazou@adacore.com> + + * cfgexpand.c (expand_debug_expr) <INDIRECT_REF>: Remove overzealous + assertion and useless code. + <TARGET_MEM_REF>: Likewise. + +2009-12-14 Alexandre Oliva <aoliva@redhat.com> + + PR debug/41473 + * dwarf2out.c (AT_loc_list_ptr): New. + (resolve_addr): Remove unresolved attributes and loc_list entries. + + PR debug/41473 + * dwarf2out.c (add_var_loc_to_decl): Don't drop initial empty + locations. + (new_loc_list): Drop gensym arg. Move generation of ll_symbol... + (gen_llsym): ... here. New function. + (add_loc_descr_to_loc_list): Removed. + (loc_descriptor): Infer mode from CONST_DOUBLEs and CONST_VECTORs. + (single_element_loc_list): Removed. + (dw_loc_list): Don't create entries without a location. Don't + special-case the first node of the list, only single nodes. + (single_element_loc_list_p): Simplify. + (loc_list_from_tree): Don't use DECL_RTL if loc_list is nonempty. + (add_location_or_const_value_attribute): Test var loc for NULL. + (convert_cfa_to_fb_loc_list): Adjust calls to new new_loc_list, + call gen_llsym if needed. + +2009-12-14 Jakub Jelinek <jakub@redhat.com> + + * cgraph.h (cgraph_set_nothrow_flag, cgraph_set_readonly_flag, + cgraph_set_pure_flag, cgraph_set_looping_const_or_pure_flag): New + prototypes. + * cgraph.c (cgraph_set_nothrow_flag, cgraph_set_readonly_flag, + cgraph_set_pure_flag, cgraph_set_looping_const_or_pure_flag): New + functions. + * except.h (set_nothrow_function_flags): Remove prototype. + * except.c (set_nothrow_function_flags): Use cgraph_set_nothrow_flag. + Make static. + * ipa-pure-const.c (propagate): Use cgraph_set_nothrow_flag, + cgraph_set_readonly_flag, cgraph_set_pure_flag + and cgraph_set_looping_const_or_pure_flag. + (local_pure_const): Likewise. + +2009-12-14 Jakub Jelinek <jakub@redhat.com> + Sebastian Pop <sebastian.pop@amd.com> + + * config/i386/i386-builtin-types.def (PVOID): Declared. + (VOID_FTYPE_PVOID): Declared. + (PVOID_FTYPE_VOID): Declared. + (UCHAR_FTYPE_USHORT_UINT_USHORT): Removed. + (VOID_FTYPE_USHORT_UINT_USHORT): Removed. + * config/i386/i386.c (IX86_BUILTIN_LLWPCB16, IX86_BUILTIN_LLWPCB32, + IX86_BUILTIN_LLWPCB64, IX86_BUILTIN_SLWPCB16, IX86_BUILTIN_SLWPCB32, + IX86_BUILTIN_SLWPCB64, IX86_BUILTIN_LWPVAL16, IX86_BUILTIN_LWPINS16): + Removed. + (IX86_BUILTIN_LLWPCB, IX86_BUILTIN_SLWPCB): New. + (bdesc_special_args): Adjust declaration of __builtin_ia32_llwpcb, + __builtin_ia32_slwpcb, __builtin_ia32_lwpval32, + __builtin_ia32_lwpval64, __builtin_ia32_lwpins32, and + __builtin_ia32_lwpins64. + (ix86_expand_special_args_builtin): Handle VOID_FTYPE_PVOID. + Do not handle VOID_FTYPE_USHORT_UINT_USHORT and + UCHAR_FTYPE_USHORT_UINT_USHORT. Warn when the third operand is + not an immediate. Also handle builtin functions with 3 arguments. + (ix86_expand_builtin): Handle IX86_BUILTIN_LLWPCB and + IX86_BUILTIN_SLWPCB. + * config/i386/i386.md (UNSPEC_LLWP_INTRINSIC, UNSPEC_SLWP_INTRINSIC): + Renamed UNSPECV_LLWP_INTRINSIC and UNSPECV_SLWP_INTRINSIC. + (memory attribute): Handle lwp. + (lwp*): Rewrite all the insn patterns for LWP. + * config/i386/lwpintrin.h (__llwpcb16, __llwpcb32, __llwpcb64, + __slwpcb16, __slwpcb32, __slwpcb64, __lwpval16, __lwpins16): Removed. + (__llwpcb, __slwpcb): New. + +2009-12-14 Dmitry Gorbachev <d.g.gorbachev@gmail.com> + + * dominance.c (set_immediate_dominator): Don't mark as inline. + +2009-12-14 Eric Botcazou <ebotcazou@adacore.com> + + * doc/tm.texi (STACK_CHECK_PROTECT): Document alternate default. + * doc/md.texi (check_stack): Clarify. + (probe_stack): Likewise. + * config/rs6000/rs6000.md (UNSPEC_PROBE_STACK): New constant. + (probe_stack): New insn. + +2009-12-14 Ben Elliston <bje@au.ibm.com> + + * lto-streamer-in.c (lto_get_builtin_tree): fclass can only be a + BUILT_IN_NORMAL or BUILT_IN_MD. + +2009-12-13 Eric Botcazou <ebotcazou@adacore.com> + + * doc/tm.texi (STACK_CHECK_PROBE_LOAD): Delete. + * expr.h (STACK_CHECK_PROBE_LOAD): Likewise. + * explow.c (emit_stack_probe): Do not test STACK_CHECK_PROBE_LOAD. + * system.h (STACK_CHECK_PROBE_LOAD): Poison. + +2009-12-13 Michael Matz <matz@suse.de> + + PR tree-optimization/42027 + * dojump.c (do_jump <TRUTH_AND_EXPR, TRUTH_OR_EXPR>): Go to + TRUTH_ANDIF_EXPR resp. TRUTH_ORIF_EXPR expander, instead of + falling through. + +2009-12-13 Andy Hutchinson <hutchinsonandy@gcc.gnu.org> + + PR target/23726 + * config/avr/predicates.md (pseudo_register_operand): New predicate + for pseudos. + * config/avr/avr.md (divmodqi4): Replace with define_insn_and_split + to allow div/mod optimization. + (udivmodqi4): Ditto. + (divmodhi4): Ditto. + (udivmodhi4): Ditto. + (divmodsi4): Ditto. + (udivmodsi4): Ditto. + +2009-12-13 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/42357 + * tree-sra.c (sra_modify_assign): Do not tear apart struct copies. + +2009-12-12 Richard Guenther <rguenther@suse.de> + + * tree.c (need_assembler_name_p): Abstract decls do not need + an assembler name. + * dwarf2out.c (dwarf2out_abstract_function): Preserve + DECL_ABSTRACT properly. + +2009-12-11 Richard Guenther <rguenther@suse.de> + + * lto-streamer-in.c (lto_input_tree_ref): Do not register + DEBUG_EXPR_DECLs with the varpool. + +2009-12-11 Eric Botcazou <ebotcazou@adacore.com> + + * config/sparc/linux-unwind.h (MD_FROB_UPDATE_CONTEXT, 64-bit): Define. + (sparc64_frob_update_context): New function. + +2009-12-11 Richard Guenther <rguenther@suse.de> + + PR lto/41658 + PR lto/41657 + * lto-streamer-out.c (write_global_stream): Do not make decls + weak but resort to TREE_ASM_WRITTEN to avoid multiple definitions. + Make sure to mark all decls that we have written. + +2009-12-11 Sebastian Andrzej Siewior <bigeasy@linutronix.de> + + PR target/36047 + + * config/m68k/linux.h: Remove LABELNO from the mcount statement. It is + not used by glibc/uclibc and does not work with large binaries. + +2009-12-11 Richard Guenther <rguenther@suse.de> + + PR lto/41662 + * lto-streamer-in.c (lto_init_eh): Move eh_initialized_p + handling here. + (input_eh_regions): Adjust. + (lto_input_ts_function_decl_tree_pointers): Initialize EH + if a non-NULL DECL_FUNCTION_PERSONALITY was read in. + +2009-12-11 Duncan Sands <baldrick@free.fr> + + * passes.c (make_pass_instance): Allocate and copy the right amount of + memory for ipa passes, which are not the same size as other passes. + +2009-12-11 Joern Rennecke <amylaar@spamcop.net> + + * plugin.c (get_named_event_id): Fix hash table rebuild to include + dynamically allocated events. + +2009-12-11 Richard Guenther <rguenther@suse.de> + + PR lto/42320 + * lto-symtab.c (lto_symtab_resolve_can_prevail_p): Properly + detect non-prevailing decls. + +2009-12-10 Jakub Jelinek <jakub@redhat.com> + + PR c++/42317 + * cgraph.h (struct cgraph_node): Add same_comdat_group field. + * cgraph.c (cgraph_remove_node): Unchain node from same_comdat_group + circular list. + (cgraph_node_can_be_local_p): Return false for DECL_COMDAT with + node->same_comdat_group. + * ipa.c (cgraph_remove_unreachable_nodes): For any reachable node + mark all its same_comdat_group nodes as also reachable. + (cgraph_externally_visible_p): Return true even if any of + same_comdat_group nodes has address taken. + * lto-cgraph.c (lto_output_node): Stream out same_comdat_group. + (output_cgraph): Ensure other same_comdat_group nodes are also + included. + (input_node): Stream in same_comdat_group. + (input_cgraph_1): Fix up same_comdat_group fields from references + to pointers. + * cgraphunit.c (cgraph_analyze_functions): Mark all other + same_comdat_group nodes as reachable. + (cgraph_mark_functions_to_output): For each node->process process + also other same_comdat_group nodes. + * ipa-inline.c (cgraph_clone_inlined_nodes): Don't reuse nodes + with same_comdat_group non-NULL. + (cgraph_mark_inline_edge): Likewise. + +2009-12-10 Jan Hubicka <jh@suse.cz> + + PR middle-end/42228 + PR middle-end/42110 + * cgraph.c (cgraph_create_edge_including_clones): Add old_stmt + parameter; update edge if it already exists. + (cgraph_remove_node): Handle correctly cases where we are removing + node having clones. + * cgraph.h (cgraph_create_edge_including_clones): Declare. + (verify_cgraph_node): Add missing error_found = true code. + (cgraph_materialize_all_clones): Remove call edges of dead nodes. + * ipa.c (cgraph_remove_unreachable_nodes): Correctly look for master + clone; fix double linked list removal. + * tree-inline.c (copy_bb): Update cgraph_create_edge_including_clones + call; fix frequency of newly created edge. + +2009-12-10 Bernd Schmidt <bernd.schmidt@analog.com> + + PR rtl-opt/42216 + * regrename.c: Error out if MAX_RECOG_OPERANDS is larger than + HOST_BITS_PER_WIDE_INT. + (verify_reg_in_set): New function, broken out of verify_reg_tracked. + (verify_reg_tracked): Use it. + (scan_rtx_reg): When seeing a use involving a superset of the + registers in an existing chain, enlarge that chain. Otherwise, + allow subsets and set fail_current_block for all other kinds of + overlap. + (hide_operands): New argument UNTRACKED_OPERANDS; callers changed. + Do not modify operands when the bit with the corresponding number + is set in that bitmap. + (build_def_use): When we see matching operands with different + modes, don't set fail_current_block, but keep track of such + operands in a bitmap if their registers aren't already tracked + in an open chain. Pass this bitmap to all hide_operands calls. + +2009-12-10 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/42337 + * tree-ssa-pre.c (seen_during_translate): Remove. + (phi_translate_1): Collapse into ... + (phi_translate): ... this. Remove seen parameter and + adjust recursive calls. + +2009-12-10 Richard Guenther <rguenther@suse.de> + Allan Sandfeld Jensen <linux@carewolf.com> + + * tree-vectorizer.c (vectorize_loops): Properly guard + vectorizer verboseness. + +2009-12-10 Ben Elliston <bje@au.ibm.com> + + * fwprop.c (free_load_extend): Initialise `use'. + +2009-12-09 David Edelsohn <edelsohn@gnu.org> + + * builtins.c (do_mpc_ckconv): Pass the component type to + real_from_mpfr(). + +2009-12-09 Xinliang David Li <davidxl@google.com> + + PR tree-optimization/42337 + * tree-ssa-pre.c (phi_translate_1): Push and Pop SEEN set. + +2009-12-09 Nathan Froyd <froydnj@codesourcery.com> + + * config/rs6000/vector.md (absv2sf2, negv2sf2, addv2sf3, subv2sf3, + mulv2sf3, divv2sf3): New expanders. + * config/rs6000/spe.md (spe_evabs, spe_evand, spe_evaddw, spe_evsubfw, + spe_evdivws): Rename to use standard GCC names. + * config/rs6000/paired.md (negv2sf, absv2sf2, addv2sf3, subv2sf3, + mulv2sf3, divv2sf3): Rename to avoid conflict with the new expanders. + * config/rs6000/rs6000.c (bdesc_2arg, bdesc_1arg): Use new CODE_FOR_ + names for renamed patterns. + +2009-12-09 Andreas Krebbel <Andreas.Krebbel@de.ibm.com> + + * config/s390/s390.md ("copysign<mode>3"): Pattern removed. + +2009-12-09 Jakub Jelinek <jakub@redhat.com> + + * configure.ac: Compute ld_ver, ld_vers, ld_date, ld_vers_major, + ld_vers_minor and ld_vers_path always, not just when gcc_cv_ld_hidden + isn't cached. + * configure: Regenerated. + +2009-12-08 Richard Henderson <rth@redhat.com> + + * combine.c (setup_incoming_promotions): Fix sign-extend of + zero-extend case; tidy conditions. + +2009-12-08 Michael Matz <matz@suse.de> + + PR middle-end/38474 + * function.c (free_temp_slots): Only walk the temp slot + addresses and combine slots if we actually changes something. + (pop_temp_slots): Ditto. + +2009-12-08 Olga Golovanevsky <olga@il.ibm.com> + + PR middle-end/41843 + * ipa-struct-reorg.c (compare_fields): New function. + (find_field_in_struct_1): Use compare_fields function. + (is_equal_types): Likewise. + +2009-12-07 DJ Delorie <dj@redhat.com> + + PR c/42312 + * config/mep/mep.c (mep_expand_prologue): Set + really_need_stack_frame after frame_size is set. + +2009-12-07 Richard Henderson <rth@redhat.com> + + PR rtl-opt/42269 + * combine.c (setup_incoming_promotions): Improve the conditions + under which we respect the promotions applied. + +2009-12-07 Eric Botcazou <ebotcazou@adacore.com> + + * config/sparc/linux.h (ASM_SPEC): Pass -K PIC if -findirect-dispatch. + * config/sparc/linux64.h (ASM_SPEC): Likewise. + +2009-12-07 Richard Henderson <rth@redhat.com> + + PR debug/42299 + PR debug/42166 + * tree-ssa.c (insert_debug_temp_for_var_def): Skip propagation + for ssa names already registered for update. + +2009-12-07 Jakub Jelinek <jakub@redhat.com> + + PR debug/42244 + * ddg.c (add_inter_loop_mem_dep): Use ANTI_DEP if from or to + is a DEBUG_INSN. + +2009-12-07 Sebastian Pop <sebastian.pop@amd.com> + + * config/i386/driver-i386.c (host_detect_local_cpu): Add -mlwp to the + options when bit_LWP is set. + +2009-12-07 Sebastian Pop <sebastian.pop@amd.com> + + * config/i386/cpuid.h (bit_ABM): New. + * config/i386/driver-i386.c (host_detect_local_cpu): Add -mabm to the + options when bit_ABM is set. + +2009-12-07 Jakub Jelinek <jakub@redhat.com> + + * config/i386/i386.c (bdesc_special_args): Move __builtin_clzs from + this array ... + (bdesc_args): ... here. + * config.gcc (i[34567]86-*-*): Include abmintrin.h. + (x86_64-*-*): Likewise. + +2009-12-07 Sebastian Pop <sebastian.pop@amd.com> + + * config.gcc (i[34567]86-*-*, x86_64-*-*): Add popcntintrin.h. + * config/i386/abmintrin.h (_mm_popcnt_u32, _mm_popcnt_u64): Moved... + * config/i386/i386-c.c (__POPCNT__): Defined. + * config/i386/popcntintrin.h: ...here. New file. + * config/i386/smmintrin.h (_mm_popcnt_u32, _mm_popcnt_u64): Moved... + Include popcntintrin.h. + * config/i386/x86intrin.h: Include popcntintrin.h when __POPCNT__ + is defined. + +2009-12-07 Sebastian Pop <sebastian.pop@amd.com> + + * config/i386/i386-protos.h (ix86_expand_fma4_multiple_memory): + Removed. + * config/i386/i386.c (ix86_expand_fma4_multiple_memory): Removed. + * config/i386/sse.md: Remove all XOP splitters. + Allow the second and fourth operands of XOP multiply-add insns + to be nonimmediate. + +2009-12-07 Sebastian Pop <sebastian.pop@amd.com> + + * config/i386/sse.md: Remove all FMA4 splitters. + Allow the second operand of FMA4 insns to be a nonimmediate. + Fix comments punctuation. + +2009-12-07 Julian Brown <julian@codesourcery.com> + + * config/arm/constraints.md (Ps, Pt): New constraint letters. + * config/arm/thumb2.md (*thumb2_addsi_short): Tighten constraints. + +2009-12-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + PR other/40302 + * configure.ac (HAVE_mpc): Don't define. + * config.in, configure: Regenerate. + + PR other/40302 + * builtins.c: Remove HAVE_mpc* checks throughout. + * fold-const.c: Likewise. + * real.h: Likewise. + * toplev.c: Likewise. + +2009-12-07 Edmar Wienskoski <edmar@freescale.com> + + * config.gcc (cpu_is_64bit): Add new core e500mc64. + (powerpc*-*-*): Add new core e500mc64. + * config/rs6000/e500mc64.md: New file. + * config/rs6000/rs6000.c (processor_costs): Add new costs for + e500mc64. + (rs6000_override_options): Add e500mc64 case to + processor_target_table. Altivec and Spe options not allowed with + e500mc64. Disable string instructions for e500mc64. Enable branch + targets alignment for both e500mc and e500mc64. Initialize + rs6000_cost for e500mc64. + (rs6000_emit_sISEL): New function. + (rs6000_emit_sCOND): Call rs6000_emit_sISEL for isel targets. + (rs6000_emit_int_cmove): Fix mode of 64 bit isel pattern + generation. + (rs6000_issue_rate): Set issue rate for e500mc64. + (rs6000_rtx_costs): Set more accurate cost for mfcr instruction + on architectures with isel. + * config/rs6000/rs6000-protos.h (rs6000_emit_sISEL): Declare. + * config/rs6000/rs6000.h (processor_type): Add + PROCESSOR_PPCE500MC64. + (ASM_CPU_SPEC): Add e500mc64. + * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce500mc64. + Include e500mc64.md. + (abssi2_isel): Expand pattern to handle DImode. + (nabs<mode>2_isel): New pattern. + (absdi2): Change pattern to handle 64 bit isel targets. + (absdi2_internal): Exclude ISEL targets. + (nabsdi2): Exclude ISEL targets. + * doc/invoke.texi: Add e500mc64 to list of cpus. + +2009-12-07 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/i386.md (any_or): New code iterator. + (any_logic): Rename from plogic code iterator. + (logicprefix): Rename from plogicprefix code attribute. + (<code><mode>3): Macroize expander from {ior,xor}<mode>3 using + any_or code iterator. + (*<code><mode>_1): Macroize insn from *{ior,xor}<mode>_1 using + any_or code iterator. + (*<code><mode>_2): Ditto from *{ior,xor}<mode>_2. + (*<code><mode>_3): Ditto from *{ior,xor}<mode>_3. + (ior and xor splitters): Ditto. + * config/i386/mmx.md: Updated for rename. + * config/i386/sse.md: Ditto. + +2009-12-07 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2): + Remove quotes around condition logic code. + +2009-12-06 Richard Henderson <rth@redhat.com> + + PR debug/42234 + * tree-ssa-dom.c (degenerate_phi_result): Check for NULL phi + argument earlier. + +2009-12-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * doc/install.texi: Document MPC is required. + +2009-12-06 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/i386.md (g): Add HImode and QImode. + (general_szext_operand): New mode attribute. + (*test<mode>_1): Macroize insn from *test{qi,hi,si}_1 using + SWI124 mode iterator. + (and<mode>3): Macroize expander from and{qi,hi,si,di}3 using + SWIM mode iterator. + (*and<mode>_2): Macroize insn from *and{qi,hi,si}_2 using + SWI124 mode iterator. + (ior<mode>3): Macroize expander from ior{qi,hi,si,di}3 using + SWIM mode iterator. + (*ior<mode>_1): Macroize insn from *ior{hi,si,di}_1 using + SWI248 mode iterator. + (*ior<mode>_2): Macroize insn from *ior{qi,hi,si,di}_2 using + SWI mode iterator. + (*ior<mode>_3): Macroize insn from *ior{qi,hi,si,di}_3 using + SWI mode iterator. + (xor<mode>3): Macroize expander from xor{qi,hi,si,di}3 using + SWIM mode iterator. + (*xor<mode>_1): Macroize insn from *xor{hi,si,di}_1 using + SWI248 mode iterator. + (*xor<mode>_2): Macroize insn from *xor{qi,hi,si,di}_2 using + SWI mode iterator. + (*xor<mode>_3): Macroize insn from *xor{qi,hi,si,di}_3 using + SWI mode iterator. + +2009-12-05 Sebastian Pop <sebastian.pop@amd.com> + + * config/i386/i386.c (TARGET_DEFAULT_TARGET_FLAGS): Add + MASK_FUSED_MADD. + * config/i386/i386.h (CC1_CPU_SPEC_1): Remove + "'-mfused-madd' was removed". + * config/i386/i386.opt (mfused-madd): New. + * config/i386/sse.md: Add TARGET_FUSED_MADD to FMA4 insns. + * doc/invoke.texi (-mfused-madd, -mno-fused-madd): Document. + +2009-12-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca> + + * pa64-hpux.h (LIB_SPEC): Handle -rdynamic. + * pa-hpux10.h (LIB_SPEC): Likewise. + * pa-hpux11.h (LIB_SPEC): Likewise. + + PR ada/41912 + * pa/linux-unwind.h (pa32_fallback_frame_state): Set fs->signal_frame + for signal frames. + * pa/hpux-unwind.h (pa32_fallback_frame_state): Likewise. + +2009-12-05 Ralf Wildenhues <Ralf.Wildenhues@gmx.de> + + * configure: Regenerate. + +2009-12-05 Richard Earnshaw <rearnsha@arm.com> + + * arm/thumb2.md (thumb2_mulsi_short_compare0): Use a low-register + for the scratch. + +2009-12-04 David Daney <ddaney@caviumnetworks.com> + + PR rtl-optimization/42164 + * combine.c (combine_simplify_rtx): Handle truncation of integer + constants. + +2009-12-04 Richard Guenther <rguenther@suse.de> + + * lto-streamer-out.c (pack_ts_decl_common_value_fields): + Revert previous change. + (lto_output_ts_decl_common_tree_pointers): Stream DECL_VALUE_EXPR. + * lto-streamer-in.c (lto_input_ts_decl_common_tree_pointers): + Likewise. + +2009-12-04 Richard Guenther <rguenther@suse.de> + + * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle + BUILT_IN_MALLOC. + (call_may_clobber_ref_p_1): Likewise. + +2009-12-04 Matthias Klose <doko@ubuntu.com> + John David Anglin <dave.anglin@nrc-cnrc.gc.ca> + + PR target/40134 + * config.gcc (hppa*-*-linux*): Use config/t-slibgcc-libgcc. + * config/pa/pa-linux.h (LIB_SPEC): Remove. + +2009-12-03 Sebastian Pop <sebastian.pop@amd.com> + Richard Henderson <rth@redhat.com> + + * config/i386/i386-protos.h (ix86_fma4_valid_op_p): Remove. + * config/i386/i386.c (ix86_fma4_valid_op_p): Remove. + * config/i386/i386.md: Do not use ix86_fma4_valid_op_p. + * config/i386/sse.md (fma4_*): Remove alternative with operand 1 + matching a memory access. Do not use ix86_fma4_valid_op_p. + (xop_*): Same. + Do not use ix86_fma4_valid_op_p in FMA4 and XOP splitters. + +2009-12-03 Richard Henderson <rth@redhat.com> + + * config/i386/i386.c (ix86_fixup_binary_operands): For FMA4, force + all operands into registers. + +2009-12-03 Sebastian Pop <sebastian.pop@amd.com> + + * config/i386/i386.c (ix86_expand_fma4_multiple_memory): Remove unused + parameter. + * config/i386/i386-protos.h (ix86_expand_fma4_multiple_memory): Same. + * config/i386/sse.md: Same. + +2009-12-03 Richard Guenther <rguenther@suse.de> + + * cgraphunit.c (assemble_thunk): Use DECL_ASSEMBLER_NAME + instead of DECL_NAME for the entry point. + +2009-12-03 Richard Earnshaw <rearnsha@arm.com> + + * arm/linux-atomic.c (SYNC_LOCK_RELEASE): Place memory barrier + before the lock release. + +2009-12-03 Michael Matz <matz@suse.de> + + PR middle-end/38474 + * cfgexpand.c (struct stack_var): Add conflicts member. + (stack_vars_conflict, stack_vars_conflict_alloc, + n_stack_vars_conflict): Remove. + (add_stack_var): Initialize conflicts member. + (triangular_index, resize_stack_vars_conflict): Remove. + (add_stack_var_conflict, stack_var_conflict_p): Rewrite in + terms of new member. + (union_stack_vars): Only run over the conflicts. + (partition_stack_vars): Remove special case. + (expand_used_vars_for_block): Don't call resize_stack_vars_conflict, + don't create self-conflicts. + (account_used_vars_for_block): Don't create any conflicts. + (fini_vars_expansion): Free bitmaps, don't free or clear removed + globals. + +2009-12-03 Bernd Schmidt <bernd.schmidt@analog.com> + + PR middle-end/42202 + * regrename.c (live_in_chains): New variable. + (verify_reg_tracked): New static function. + (scan_rtx_reg): Update live_in_chains. + (scan_rtx): Only promote sets in COND_EXEC to OP_INOUT if + we're already tracking the reg. + (build_def_use): Likewise. Initialize live_in_chains. + +2009-12-03 Ken Werner <ken.werner@de.ibm.com> + + * config/spu/spu-elf.h (STARTFILE_SPEC): Add support for gprof + startup files. + * config/spu/spu-protos.h (spu_function_profiler): Add prototype. + * config/spu/spu.c (spu_function_profiler): New function. + * config/spu/spu.h (FUNCTION_PROFILER): Invoke + spu_function_profiler. + (NO_PROFILE_COUNTERS): Define. + (PROFILE_BEFORE_PROLOGUE): Likewise. + +2009-12-03 Dave Korn <dave.korn.cygwin@gmail.com> + + * ggc-page.c (struct free_object): Pull definition out ... + (struct globals): .. from here. + +2009-12-02 Richard Guenther <rguenther@suse.de> + + * fold-const.c (div_if_zero_remainder): Honor that sizetypes + are sign-extending. Simplify. + +2009-12-02 Richard Henderson <rth@redhat.com> + + PR tree-opt/42215 + * tree-loop-distribution.c (build_size_arg_loc): Tidy. + (generate_memset_zero): Convert to sizetype properly. Tidy. + +2009-12-02 Richard Guenther <rguenther@suse.de> + + * lto-streamer-out.c (pack_ts_decl_common_value_fields): + Do not pretend we have value exprs. + +2009-12-02 Richard Guenther <rguenther@suse.de> + + PR middle-end/41491 + * fold-const.c (try_move_mult_to_index): Do not leak + domain types into the IL. + +2009-12-02 Richard Guenther <rguenther@suse.de> + + PR middle-end/42088 + * tree.c (free_lang_data): Disable if not using LTO. + +2009-12-02 Richard Guenther <rguenther@suse.de> + + PR middle-end/42229 + * cfgloopmanip.c (remove_path): Avoid cancelling loops twice. + +2009-12-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com> + + PR middle-end/42224 + * tree.h (int_or_pointer_precision): Remove. + * tree.c (int_or_pointer_precision): Remove. + (integer_pow2p): Use TYPE_PRECISION instead. + (tree_log2): Likewise. + (tree_floor_log2): Likewise. + (signed_or_unsigned_type_for): Likewise. + * fold-const.c (fit_double_type): Likewise. + * varasm.c (initializer_constant_valid_p): Likewise. + +2009-12-02 Ira Rosen <irar@il.ibm.com> + + * doc/invoke.texi (-fdump-tree-slp): Document. + (-ftree-vectorizer-verbose): Update. + (-ftree-slp-vectorize): Document. + +2009-12-02 Nick Clifton <nickc@redhat.com> + + * config/rx/rx.c (rx_conditional_register_usage): Do not warn if + no fixed registers are available for interrupt handlers. Do not + fix normal registers. + (MUST_SAVE_ACC_REGISTER): New macro. + (rx_get_stack_layout): Create a stack frame for fast interrupt + handlers, if necessary. Push extra registers if needed in order + to save the accumulator. + (rx_expand_prologue): Create a stack frame for fast interrupt + handlers, if necessary. + (rx_expand_builtin_mvfc): Handle the case where there is no target. + +2009-12-01 Sebastian Pop <sebastian.pop@amd.com> + + * config/i386/abmintrin.h (__lzcnt16): New. + (__lzcnt): New. + (__lzcnt64): New. + * config/i386/i386-builtin-types.def (UINT16_FTYPE_UINT16): New. + * config/i386/i386.c (IX86_BUILTIN_CLZS): New. + (bdesc_special_args): Add __builtin_clzs. + (ix86_expand_args_builtin): Handle UINT16_FTYPE_UINT16. + +2009-12-01 Sebastian Pop <sebastian.pop@amd.com> + + * config/i386/abmintrin.h (_mm_popcnt_u32): New. + (_mm_popcnt_u64): New. + +2009-12-01 Sebastian Pop <sebastian.pop@amd.com> + + * config/i386/abmintrin.h: New. + * config/i386/i386-c.c (ix86_target_macros_internal): Defined __ABM__. + * config/i386/x86intrin.h: Include abmintrin.h when __ABM__ is defined. + +2009-12-01 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/i386.md (SWI124): Rename from CRC32MODE. + (crc32modesuffix): Remove. + (crc32modeconstraint): Ditto. + (sse4_2_crc32<mode>): Update for renamed mode iterator. Use + imodesuffix instead of crc32modesuffix and <r>m instead of + crc32modeconstraint. + +2009-12-01 Jakub Jelinek <jakub@redhat.com> + + PR c++/42234 + * tree-cfgcleanup.c (cleanup_omp_return): Don't ICE if control_bb + contains no statements. + +2009-12-01 Grigori Fursin <grigori.fursin@inria.fr> + Joern Rennecke <amylaar@spamcop.net> + + * cgraphunit.c (plugin.h): Include. + (ipa_passes): Invoke PLUGIN_ALL_IPA_PASSES_START / + PLUGIN_ALL_IPA_PASSES_END at start / end of processing. + * gcc-plugin.h (highlev-plugin-common.h, hashtab.h): Include. + (enum plugin_event): Define by including plugin.def. + Last enumerator is now called PLUGIN_EVENT_FIRST_DYNAMIC. + (plugin_event_name): Change type to const char **. + (get_event_last, get_named_event_id, unregister_callback): Declare. + (register_callback): Change type of event argument to int. + (highlev-plugin-common.h): New file. + * Makefile.in (GCC_PLUGIN_H): Add highlev-plugin-common.h and + $(HASHTAB_H) + (tree-optimize.o passes.o): Depend on $(PLUGIN_H). + (PLUGIN_HEADERS): Add opts.h, $(PARAMS_H) and plugin.def. + (s-header-vars): New rule. + (install-plugin): Depend on s-header-vars. Install b-header-vars. + * params.c (get_num_compiler_params): New function. + * params.h (get_num_compiler_params): Declare. + * passes.c (plugin.h): Include. + (make_pass_instance): Invoke PLUGIN_NEW_PASS. + (do_per_function_toporder, pass_init_dump_file): No longer static. + (pass_fini_dump_file): Likewise. + (execute_one_pass): Likewise. Invoke PLUGIN_OVERRIDE_GATE and + PLUGIN_PASS_EXECUTION. + (execute_ipa_pass_list): Invoke PLUGIN_EARLY_GIMPLE_PASSES_START and + PLUGIN_EARLY_GIMPLE_PASSES_END. + * plugin.c (plugin_event_name_init): New array, defined by + including plugin.def. + (FMT_FOR_PLUGIN_EVENT): Update. + (plugin_event_name): Change type to const char ** and initialize + to plugin_event_name_init. + (event_tab, event_last, event_horizon): New variable. + (get_event_last): New function. + (plugin_callbacks_init): New array. + (plugin_callbacks: Change type to struct callback_info **. + Initialize to plugin_callbacks_init. + (htab_event_eq, get_named_event_id, unregister_callback): New function. + (invoke_plugin_va_callbacks): Likewise. + (register_callback): Change type of event argument to int. + Handle new events. Allow dynamic events. + (invoke_plugin_callbacks): Likewise. Return success status. + (plugins_active_p): Allow dynamic callbacks. + * plugin.def: New file. + * plugin.h (invoke_plugin_callbacks): Update prototype. + (invoke_plugin_va_callbacks): Declare. + * tree-optimize.c (plugin.h): Include. + (tree_rest_of_compilation): Invoke PLUGIN_ALL_PASSES_START and + PLUGIN_ALL_PASSES_END. + * tree-pass.h (execute_one_pass, pass_init_dump_file): Declare. + (pass_fini_dump_file, do_per_function_toporder): Likewise. + * doc/plugin.texi: Document new event types. + +2009-12-01 Martin Jambor <mjambor@suse.cz> + + PR tree-optimization/42237 + * tree-sra.c (sra_ipa_modify_assign): Split gimple_reg_type assignments + in between references into two. + +2009-12-01 Richard Guenther <rguenther@suse.de> + + * tree-inline.c (copy_tree_body_r): Do not set TREE_BLOCK + to the block of the call when remapping a type. + +2009-12-01 Martin Jambor <mjambor@suse.cz> + + * cgraph.h (struct cgraph_edge): Reorder fields. Make loop_nest + unsigned short int. + * ipa-prop.h (struct ipa_param_call_note): Likewise. + * ipa-prop.c (ipa_note_param_call): Initialize note->loop_nest. + +2009-12-01 Richard Guenther <rguenther@suse.de> + + * final.c (rest_of_clean_state): If -fcompare-debug is + given dump final insns without UIDs. + * tree-ssa-live.c (remove_unused_scope_block_p): Remove + after_inlining checks. + +2009-11-30 Chao-ying Fu <fu@mips.com> + + * config/mips/mips-dsp.md (mips_lhx_<mode>): Use sign_extend. + +2009-11-30 Dave Korn <dave.korn.cygwin@gmail.com> + + * configure.ac (USE_CYGWIN_LIBSTDCXX_WRAPPERS): Define to reflect + status of AC_CHECK_FUNC for Cygwin DLL libstdc++ support wrappers. + * configure: Regenerate. + * config.in: Regenerate. + + * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Define list of --wrap + options for Cygwin DLL libstdc++ support wrappers. + (CXX_WRAP_SPEC_OPT): Define spec to use wrappers or not by default + according to defined value of USE_CYGWIN_LIBSTDCXX_WRAPPERS. + (CXX_WRAP_SPEC): Define entire wrapper spec in or out according to + whether USE_CYGWIN_LIBSTDCXX_WRAPPERS is even defined or not. + (LINK_SPEC): Include CXX_WRAP_SPEC. + * gcc/config/i386/winnt.c (wrapper_strcmp): New qsort helper function. + (i386_find_on_wrapper_list): Check if a function is found on the list + of libstdc++ wrapper options. + (i386_pe_file_end): If we are importing a wrapped function, also emit + an external declaration for the real version. + * config/i386/cygming.opt (muse-libstdc-wrappers): New option for + Cygwin targets. Update copyright year. + +2009-11-30 Steve Ellcey <sje@cup.hp.com> + Jakub Jelinek <jakub@redhat.com> + + * function.c (instantiate_virtual_regs_in_insn): Copy to new reg + before forcing mode. + +2009-11-30 Anatoly Sokolov <aesok@post.ru> + + * config/sh/sh.c (sh_promote_prototypes): Make static. + (sh_function_value, sh_libcall_value, sh_function_value_regno_p): New + functions. + (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE): Declare. + * config/sh/sh.h (FUNCTION_VALUE_REGNO_P): Redefine, use + sh_function_value_regno_p. + (FUNCTION_VALUE, LIBCALL_VALUE): Remove. + * config/sh/sh-protos.h (sh_function_value_regno_p): Declare. + (sh_promote_prototypes) : Remove. + +2009-11-30 Julian Brown <julian@codesourcery.com> + + * config/arm/arm.h (PREFERRED_RELOAD_CLASS): Don't restrict Thumb-2 + reloads to LO_REGS. + +2009-11-30 Richard Henderson <rth@redhat.com> + + * config/i386/i386.c (ix86_vec_interleave_v2df_operator_ok): New. + (bdesc_special_args): Update insn codes. + (avx_vpermilp_parallel): Correct range check. + (ix86_rtx_costs): Handle vector permutation rtx codes. + (struct expand_vec_perm_d): Move earlier. + (get_mode_wider_vector): New. + (expand_vec_perm_broadcast_1): New. + (ix86_expand_vector_init_duplicate): Use it. Tidy AVX modes. + (expand_vec_perm_broadcast): New. + (ix86_expand_vec_perm_builtin_1): Use it. + * config/i386/i386-protos.h: Update. + * config/i386/predicates.md (avx_vbroadcast_operand): New. + * config/i386/sse.md (AVX256MODE24P): New. + (ssescalarmodesuffix2s): New. + (avxhalfvecmode, avxscalarmode): Fill out to all modes. + (avxmodesuffixf2c): Add V8SI, V4DI. + (vec_dupv4sf): New expander. + (*vec_dupv4sf_avx): Add vbroadcastss alternative. + (*vec_set<mode>_0_avx, **vec_set<mode>_0_sse4_1): Macro-ize for + V4SF and V4SI. Move C alternatives to front. Add insertps and + pinsrd alternatives. + (*vec_set<mode>_0_sse2): Split out from ... + (vec_set<mode>_0): Macro-ize for V4SF and V4SI. + (vec_interleave_highv2df, vec_interleave_lowv2df): Require register + destination; use ix86_vec_interleave_v2df_operator_ok, instead of + ix86_fixup_binary_operands. + (*avx_interleave_highv2df, avx_interleave_lowv2df): Add movddup. + (*sse3_interleave_highv2df, sse3_interleave_lowv2df): New. + (*avx_movddup, *sse3_movddup): Remove. New splitter from + vec_select form to vec_duplicate form. + (*sse2_interleave_highv2df, sse2_interleave_lowv2df): Use + ix86_vec_interleave_v2df_operator_ok. + (avx_movddup256, avx_unpcklpd256): Change to expanders, merge into ... + (*avx_unpcklpd256): ... here. + (*vec_dupv4si_avx): New. + (*vec_dupv2di_avx): Add movddup alternative. + (*vec_dupv2di_sse3): New. + (vec_dup<AVX256MODE24P>): Replace avx_vbroadcasts<AVXMODEF4P> and + avx_vbroadcastss256; represent with vec_duplicate instead of + nested vec_concat operations. + (avx_vbroadcastf128_<mode>): Rename from + avx_vbroadcastf128_p<avxmodesuffixf2c>256. + (*avx_vperm_broadcast_v4sf): New. + (*avx_vperm_broadcast_<AVX256MODEF2P>): New. + +2009-11-30 Martin Jambor <mjambor@suse.cz> + + PR middle-end/42196 + * tree-sra.c (struct access): New field grp_different_types. + (dump_access): Dump grp_different_types. + (compare_access_positions): Prefer scalars and vectors over other + scalar types. + (sort_and_splice_var_accesses): Set grp_different_types if appropriate. + (sra_modify_expr): Use the original also when dealing with a complex + or vector group accessed as multiple types. + +2009-11-30 Richard Henderson <rth@redhat.com> + + * config/i386/i386.c (avx_vperm2f128_parallel): New. + * config/i386/i386-protos.h: Declare it. + * config/i386/predicates.md (avx_vperm2f128_v8sf_operand, + avx_vperm2f128_v8si_operand, avx_vperm2f128_v4df_operand): New. + * config/i386/sse.md (avx_vperm2f128<mode>3): Change to expander. + (*avx_vperm2f128<mode>_full): Renamed from avx_vperm2f128<mode>3. + (*avx_vperm2f128<mode>_nozero): New. + +2009-11-30 Richard Henderson <rth@redhat.com> + + * config/i386/i386-builtin-types.def (V4DF_FTYPE_V4DF_V4DF_V4DI): New. + (V8SF_FTYPE_V8SF_V8SF_V8SI): New. + * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Support + V4DF and V8SF for AVX; relax constraint on V4SF to SSE1 from SSE2. + (IX86_BUILTIN_VEC_PERM_V4DF, IX86_BUILTIN_VEC_PERM_V8SF): New. + (bdesc_args): Add them. + (ix86_expand_builtin): Expand them. + (expand_vec_perm_pshufb2): Only operate on 16-byte vectors. + +2009-11-30 Martin Jambor <mjambor@suse.cz> + + PR middle-end/42206 + * ipa-prop.c (ipa_write_node_info): Initialize note_count to zero. + +2009-11-30 Jakub Jelinek <jakub@redhat.com> + + * ipa-reference.c (propagate): Only dump bitmaps if computed. + +2009-11-30 Olga Golovanevsky <olga@il.ibm.com> + + PR middle-end/39806 + * ipa-struct-reorg.c (new_var_eq): Use DECL_UID to hash new variables. + (new_var_hash): Likewise. + (is_in_new_vars_htab): Likewise. + (add_to_new_vars_htab): Likewise. + +2009-11-30 Ira Rosen <irar@il.ibm.com> + + * tree-vect-stmts.c (vectorizable_assignment): Support + multiple types. + +2009-11-30 Richard Guenther <rguenther@suse.de> + + * doc/contrib.texi (Contributors): Add myself. + +2009-11-30 Richard Guenther <rguenther@suse.de> + + * tree.c (free_lang_data): Do not set debug_info_level to + none if terse. + +2009-11-30 Richard Guenther <rguenther@suse.de> + + PR middle-end/42119 + PR fortran/38530 + * expr.c (expand_expr_addr_expr_1): Properly expand the initializer + of CONST_DECLs. + +2009-11-30 Richard Guenther <rguenther@suse.de> + + * tree-into-ssa.c (insert_phi_nodes): Add PHI nodes in + variable UID order. + +2009-11-30 Richard Guenther <rguenther@suse.de> + + * tree-dump.c (dump_option_value_in): Add TDF_NOUID. + * tree-pass.h (TDF_NOUID): Likewise. + * print-rtl.c: Include tree-pass.h. + (print_mem_expr): Pass dump_flags. + (print_rtx): Likewise. + * print-tree.c: Include tree-pass.h. + (print_node_brief): Handle TDF_NOUID. + (print_node): Likewise. + * tree-pretty-print.c (dump_decl_name): Likewise. + (dump_generic_node): Likewise. + * Makefile.in (print-rtl.o, print-tree.o): Add $(TREE_PASS_H) + dependency. + +2009-11-30 Nick Clifton <nickc@redhat.com> + + * config/stormy16/stormy16-lib2-count-leading-zeros.c: Delete. + * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Remove + stormy16-lib2-count-leading-zeros.c. + * config/stormy16/stormy16-lib2.c (__clzhi2): Move code from + __stormy16_count_leading_zeros() into this function. + (__ctzhi2): Use __builtin_clz. + (__ffshi2): Likewise. + +2009-11-30 Eric Botcazou <ebotcazou@adacore.com> + + * config/sparc/sparc.c (DF_MODES): Simplify. + (TF_ONLY_MODES, OF_ONLY_MODES): Delete. + (TF_MODES, OF_MODES): Adjust for above change. + (TF_MODES_NO_S, OF_MODES_NO_S): Likewise. + * config/sparc/sparc.h (REGNO_REG_CLASS): Move around. + +2009-11-30 Paolo Bonzini <bonzini@gnu.org> + + PR rtl-optimization/41812 + * fwprop.c (local_md, local_lr): New globals. + (process_defs, process_uses): Remove local_md argument. Never + consider dead pseudos to have singleton def-use chains. + (single_def_use_enter_block): Perform LR simulation. + (build_single_def_use_links): Remove local_md local variable. + Add DF_NOTE. Allocate local_lr. + (fwprop_done): Do not remove DF_CHAIN, we do not use it anymore. + * df-problems.c (df_md_scratch): New. + (df_md_alloc, df_md_free): Allocate/free it. + (df_md_local_compute): Only include live registers in init. + (df_md_transfer_function): Prune the in-set computed by + the confluence function, and the gen-set too. + +2009-11-30 Hans-Peter Nilsson <hp@axis.com> + + PR rtl-optimization/40086 + * reorg.c (relax_delay_slots): When looking for redundant insn at + the branch target, use next_real_insn, not next_active_insn. + +2009-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * doc/install.texi: Update minimum MPC version to 0.8. + +2009-09-09 Segher Boessenkool <segher@kernel.crashing.org> + + * config/rs6000/rs6000.md (fnmaddsf4_powerpc_1): Remove + HONOR_SIGNED_ZEROS final condition. + (fnmsubsf4_powerpc_1): Same. + (fnmadddf4_fpr_1): Same. + (fnmsubdf4_fpr_1): Same. + +2009-11-29 Ira Rosen <irar@il.ibm.com> + + PR tree-optimization/42193 + * tree-vect-stmts.c (vectorizable_operation): Set vectorization factor + to 1 in case of basic block SLP. + (vectorizable_load): Likewise. + +2009-11-28 Jan Hubicka <jh@suse.cz> + + * cgraph.c (same_body_alias_1): Break out of + (same_body_alias): ... here; remove comdat check; it is handled + in cp already. + (cgraph_add_thunk): New. + (dump_cgraph_node): Dump aliases and thunks. + * cgraph.h (cgraph_thunk_info): New structure. + (struct cgraph_node): Add thunk info. + (cgraph_add_thunk): New. + * cgraphunit.c (cgraph_emit_thunks): Remove. + (cgraph_finalize_compilation_unit): Do not call cgraph_emit_thunks. + (assemble_thunk): New function. + (cgraph_expand_function): Handle thunks. + (thunk_adjust): New. + (init_lowered_empty_function): New. + * cp-objcp-common.h (LANG_HOOKS_CALLGRAPH_EMIT_ASSOCIATED_THUNKS): + Remove. + * lto-cgraph.c (lto_output_node): Stream thunk info. + (input_node): Likewise. + * langhooks.h (lang_hooks_for_callgraph): Remove emit_associated_thunks. + * langhooks-def.h (LANG_HOOKS_CALLGRAPH_EMIT_ASSOCIATED_THUNKS): Remove. + (LANG_HOOKS_CALLGRAPH_INITIALIZER): Update. + * i386.c (x86_output_mi_thunk): Make output prettier. + +2009-11-28 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/42183 + * tree-nrv.c (tree_nrv): Bail out if the RESULT_DECL has its + address taken. Merge the addressable state of the NRV + variable and the result instead of copying it. + +2009-11-28 Jakub Jelinek <jakub@redhat.com> + + * matrix-reorg.c (analyze_matrix_allocation_site): Remove unused + malloc_fname variable. + (check_allocation_function): Remove unused gsi and bb_level_0 + variables. + (transform_access_sites): Remove unused d_type_size and d_type_size_k + variables. + * omega.c (resurrect_subs): Remove unused n variable. + (omega_solve_geq): Remove unused neweqns variable. + * lto-streamer-in.c (lto_read_tree): Remove unused end_marker variable. + * tree-inline.c (declare_return_variable): Remove USE_P argument, + return use instead of var. + (remap_decl, remap_block): Remove unused fn variable. + (expand_call_inline): Remove unused retvar variable, adjust + declare_return_variable caller. + (optimize_inline_calls): Remove unused prev_fn variable. + * tree-vect-slp.c (vect_analyze_slp_instance): Remove unused ncopies + variable. + (vect_create_mask_and_perm): Remove unused group_size and dr_chain_size + variables. + * tree-ssa-loop-niter.c (split_to_var_and_offset): Handle MINUS_EXPR + properly. + * tree-vect-loop.c (vect_analyze_loop_form): Remove unused backedge + variable. + (vect_create_epilog_for_reduction): Remove unused bytesize variable. + * omp-low.c (workshare_safe_to_combine_p): Remove par_entry_bb + parameter. Remove unused par_stmt variable. + (determine_parallel_type): Adjust workshare_safe_to_combine_p caller. + (expand_omp_sections): Remove unused l1 variable. + (lower_omp_for): Remove unused ilist variable. + * tree-loop-distribution.c (mark_nodes_having_upstream_mem_writes): + Remove unused has_upstream_mem_write_p variable. + * recog.c (decode_asm_operands): Remove unused noperands variable. + * tree-ssa-alias.c (refs_may_alias_p_1): Remove unused size1 and + size2 variable. + * libgcov.c (__gcov_merge_delta): Remove unused last variable. + * tree-call-cdce.c (gen_conditions_for_pow_int_base): Remove unused + base_nm variable. + (gen_conditions_for_pow): Remove unused ec variable. + * tree-ssa-sccvn.c (vn_reference_lookup_3): Remove unused size + variable. + * ipa-struct-reorg.c (program_redefines_malloc_p): Remove unused + fndecl variable. + * tree-ssa-sink.c (statement_sink_location): Remove unused code + variable. + * regmove.c (copy_src_to_dest): Remove unused insn_uid and move_uid + variables. + * tree-complex.c (create_one_component_var): Remove unused inner_type + variable. + * calls.c (emit_call_1): Don't GEN_INT (struct_value_size) + unnecessarily when GEN_*CALL omits that argument. + * regrename.c (regrename_optimize): Remove unused regs_seen variable. + (build_def_use): Remove unused icode variable. + * ipa-pure-const.c (check_call): Remove unused callee and avail + variables. + * tree-dfa.c (add_referenced_var): Remove unused v_ann variable. + * tree-vect-patterns.c (vect_recog_pow_pattern): Remove unused type + variable. + (vect_pattern_recog): Remove unused stmt variable. + * sel-sched-ir.c (make_regions_from_the_rest): Remove unused + new_regions variable. + * postreload.c (reload_cse_simplify_operands): Remove unused mode + variable. + * tree-parloops.c (create_call_for_reduction_1): Remove unused + addr_type variable. + (create_parallel_loop): Remove unused res variable. + (gen_parallel_loop): Remove unused nloop variable. + * tree-vect-loop-manip.c (vect_loop_versioning): Likewise. + * value-prof.c (gimple_mod_subtract_transform, + gimple_stringops_transform): Remove unused value variable. + (gimple_stringops_values_to_profile): Remove unused fcode variable. + * tree-vrp.c (register_new_assert_for): Remove unused found variable. + (vrp_visit_switch_stmt): Remove unused n variable. + * tree-vect-stmts.c (vectorizable_conversion): Remove unused expr + variable. + (vectorizable_operation): Remove unused shift_p variable. + (vectorizable_store): Remove unused first_stmt_vinfo variable. + * tree-ssa-operands.c (add_stmt_operand): Remove unused v_ann variable. + * tree-vect-data-refs.c (vect_analyze_data_refs): Remove unused bb + variable. + (vect_permute_store_chain): Remove unused scalar_dest variable. + (vect_supportable_dr_alignment): Remove unused invariant_in_outerloop + variable. + * tree-ssa-threadupdate.c (thread_single_edge): Remove unused + local_info variable. + * tree-optimize.c (tree_rest_of_compilation): Remove unused node + variable. + * optabs.c (expand_binop): Remove unused equiv_value variable. + (emit_libcall_block): Remove unused prev variable. + (init_optabs): Remove unused int_mode variable. + * tree-ssa-structalias.c (scc_visit): Remove unused have_ref_node + variable. + (do_structure_copy): Remove unused lhsbase and rhsbase variables. + (find_func_aliases): Remove unused rhstype variable. + (ipa_pta_execute): Remove unused varid variable. + +2009-11-28 Andy Hutchinson <hutchinsonandy@gcc.gnu.org> + + * config/avr/avr.h (ASM_OUTPUT_EXTERNAL): Add. + +2009-11-28 David Binderman <dcb314@hotmail.com> + + * ira-color.c (put_allocno_into_bucket): Remove set but not used + local variable hard_regs_num. + * ira-lives.c (process_single_reg_class_operands): Remove cover_class. + * loop-unswitch.c (unswitch_loop): Remove zero_bitmap. + * lower-subreg.c (decompose_multiword_subregs): Remove next. + +2009-11-27 Martin Jambor <mjambor@suse.cz> + + PR middle-end/42006 + * tree-sra.c (get_replaced_param_substitute): Call create_tmp_var + instead of create_tmp_var. Set DECL_GIMPLE_REG_P to one manually + for vector and complex types. + (get_adjustment_for_base): Describe return value in the comment. + +2009-11-27 Nick Clifton <nickc@redhat.com> + + * longlong.h (count_leading_zeros): Define macro for stormy16 target. + (COUNT_LEADING_ZEROS_0): Likewise. + * config/stormy16/stormy16-lib2.c: Arrange for separate + compilation of each function. + (__ffshi2): New function. + (__stormy16_count_leading_zeros): New function. + * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Use stub files to + compile each function into its own object file. + (stormy16-lib2-ashlsi3.c): New stub file. + (stormy16-lib2-ashrsi3.c): New stub file. + (stormy16-lib2-clzhi2.c): New stub file. + (stormy16-lib2-count-leading-zeros.c): New stub file. + (stormy16-lib2-ctzhi2.c): New stub file. + (stormy16-lib2-divsi3.c): New stub file. + (stormy16-lib2-ffshi2.c): New stub file. + (stormy16-lib2-lshrsi3.c): New stub file. + (stormy16-lib2-modsi3.c): New stub file. + (stormy16-lib2-parityhi2.c): New stub file. + (stormy16-lib2-popcounthi2.c): New stub file. + (stormy16-lib2-udivmodsi4.c): New stub file. + (stormy16-lib2-udivsi3.c): New stub file. + (stormy16-lib2-umodsi3.c): New stub file. + +2009-11-27 Richard Henderson <rth@redhat.com> + + * config/i386/sse.md (vec_interleave_highv16qi, + vec_interleave_lowv16qi, vec_interleave_highv8hi, + vec_interleave_lowv8hi, vec_interleave_highv4si, + vec_interleave_lowv4si, vec_interleave_highv2di, + vec_interleave_lowv2di, vec_interleave_highv4sf, + vec_interleave_lowv4sf, vec_interleave_highv2df, + vec_interleave_lowv2df): Remove expanders. + (sse_unpcklps, sse_unpckhps, sse2_unpckhpd_exp, sse2_unpcklpd_exp, + sse2_punpckhqdq, sse2_punpcklqdq, sse2_punpckhbw, sse2_punpcklbw, + sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq): + Rename to their proper vec_interleave equivalent. Update all users + to the new name. + * config/i386/i386.c, config/i386/i386.md: Update all users. + +2009-11-27 Michael Matz <matz@suse.de> + + PR rtl-optimization/42084 + * cfgexpand.c (maybe_cleanup_end_of_block): Add new parameter, + use it to stop walking. + (expand_gimple_cond): Adjust call to above. + +2009-11-27 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE> + + PR target/41810 + * gthr-solaris.h (__gthread_mutex_destroy): Remove UNUSED. + [SUPPORTS_WEAK && GTHREAD_USE_WEAK] (__gthread_active_p): Use + __extension__ to allow cast from function pointer to object + pointer in C++. + * doc/install.texi (--enable-threads): Clarify use of Solaris threads. + +2009-11-27 Steven Bosscher <steven@gcc.gnu.org> + + * config/ia64/itanium1.md: Remove. + * config/ia64/ia64.md: Do not include it. + * config/ia64/ia64.c (ia64_handle_option): Remove "itanium", + "itanium1", and "merced" from the processor alias table. + (clocks, add_cycles): Remove global variables. + (ia64_sched_reorder2): Don't set/use them. + (ia64_dfa_new_cycle, ia64_h_i_d_extended, ia64_reorg): Likewise. + (bundling): Likewise. Remove extra pass for MMMUL/MMSHF. + +2009-11-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com> + + * config/s390/s390.c (last_scheduled_insn): New variable. + (s390_fpload_toreg, s390_z10_prevent_earlyload_conflicts): New + functions. + (s390_sched_reorder, s390_sched_variable_issue): New functions. + (TARGET_SCHED_VARIABLE_ISSUE, TARGET_SCHED_REORDER): Target hooks + defined. + +2009-11-27 Michael Matz <matz@suse.de> + + PR c++/41906 + * tree-eh.c (lower_catch): Stop after expanding a catch-all. + +2009-11-27 Richard Guenther <rguenther@suse.de> + + * timevar.def (TV_LOOP_MOVE_INVARIANTS, TV_LOOP_UNSWITCH, + TV_LOOP_UNROLL, TV_LOOP_DOLOOP): New timevars. + * loop-init.c (pass_rtl_move_loop_invariants): Use + TV_LOOP_MOVE_INVARIANTS. + (pass_rtl_unswitch): Use TV_LOOP_UNSWITCH. + (pass_rtl_unroll_and_peel): Use TV_LOOP_UNROLL. + (pass_rtl_doloop): Use TV_LOOP_DOLOOP. + +2009-11-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com> + + * emit-rtl.c (next_active_insn, prev_active_insn): Correct comment. + +2009-11-27 Jakub Jelinek <jakub@redhat.com> + + * config/i386/i386.c (ix86_emit_restore_sse_regs_using_mov): Remove + unused insn variable. + * genemit.c (output_peephole2_scratches): Only declare and initialize + _regs_allocated if it will be ever used. + * cfgloopmanip.c (create_empty_if_region_on_edge): Remove unused + succ_bb variable. + (create_empty_loop_on_edge): Remove unused freq and cnt variables. + * unwind-c.c (PERSONALITY_FUNCTION): Remove unused action_record + variable. + + * opts.c (decode_options): If optimize is bigger than 255, + set it to 255. + +2009-11-26 Richard Henderson <rth@redhat.com> + + * config/i386/sse.md (mulv16qi3): Change back from an expander + to an insn-and-split. + (mulv4si): Mention AVX not XOP for AVX exception. + (*sse2_mulv4si3): Likewise. + (mulv2di3): Use vmulld not vpmacsdd for XOP expansion. Tidy. + +2009-11-26 Bernd Schmidt <bernd.schmidt@analog.com> + + * cfgexpand (n_stack_vars_conflict): New static variable. + (triangular_index): Reduce likelyhood of overflow by performing + the division before the multiplication. + (resize_stack_vars_conflict): Call fatal_error if overflow + occurred in triangular_index. Update n_stack_vars_conflict. + + PR rtl-opt/38582 + * regrename.c (struct du_chain): Remove member earlyclobber. + (scan_rtx_reg): Don't set it. Remove argument earlyclobber, + all callers changed. + (scan_rtx): Remove argument earlyclobber, all callers changed. + (hide_operands, restore_operands, record_out_operands): New functions, + broken out of build_def_use. + (build_def_use): Call them as necessary. + + * regrename.c (struct du_head): New members id, conflicts, + hard_conflicts and cannot_rename. + (enum scan_actions): Remove terminate_all_read and + terminate_overlapping_read; add mark_all_read. + (scan_actions_name): Likewise. + (du_head_p): New typedef. Define a vector type for it. + (id_to_chain): New static variable. + (note_sets, clear_dead_regs): Delete functions. + (free_chain_data): New function. + (merge_overlapping_regs): Simply walk the conflicts bitmap. + Remove argument B, all callers changed. + (regrename_optimize): Allocate id_to_chain. Ignore chains that have + the cannot_rename bit set. Update regno and nregs of a renamed chain. + Call free_chain_data when done. + (do_replace): Remove death notes when the renamed reg is set in the + last insn; add them if not. + (mark_conflict, note_sets_clobbers): New static function. + (fail_current_block, current_id, open_chains_set, live_hard_regs): New + static variables. + (scan_rtx_reg): Keep track of conflicts between chains, and between + chains and hard regs. Don't terminate chains when we find a read we + can't handle, mark it unrenameable instead. For terminate_write, + terminate chains that are written with an exact match or a superset + of registers. Set fail_current_block if multi-word lifetimes are too + complex to handle. + (scan_rtx_address): Use mark_all_read instead of terminate_all_read. + (build_def_use): Initialize current_id, live_chains and live_hard_regs; + free memory for them when done. + Rearrange the steps so that earlyclobbers are noted before reads + are processed. Add new steps to keep track of hard register lifetimes + outside insn operands. + +2009-11-26 Richard Guenther <rguenther@suse.de> + + * tree-ssa-dce.c (nr_walks): New variable. + (mark_aliased_reaching_defs_necessary): Adjust oracle cut-off. + (perform_tree_ssa_dce): Init nr_walks. + +2009-11-26 Michael Matz <matz@suse.de> + + PR tree-optimization/41905 + * tree-eh.c (lower_eh_constructs_2): Don't add assignments + below statements that can't fall thru. + +2009-11-26 Michael Matz <matz@suse.de> + + * builtins.c (expand_builtin_printf, expand_builtin_fprintf, + expand_builtin_sprintf): Remove. + (expand_builtin): Don't call them. + +2009-11-26 Richard Guenther <rguenther@suse.de> + + * tree-ssa-dce.c (perform_tree_ssa_dce): Allocate visited bitmap. + +2009-11-26 Nick Clifton <nickc@redhat.com> + + * config/rx/rx.c (rx_expand_epilogue): Add checks for sibcalls + being used incorrectly. + (rx_function_ok_for_sibcall): New function. Do not allow indirect + sibcalls, or sibcalls from interrupt functions. + (TARGET_FUNCTION_OK_FOR_SIBCALL): Define. + * config/rx/rx.md (sibcall): Convert to a define_expand. Check + for a MEM inside a MEM. + (sibcall_value): Likewise. + (sibcall_internal): New pattern containing old sibcall pattern. + (sibcall_value_internal): Likewise. + +2009-11-25 Richard Henderson <rth@redhat.com> + + * config/i386/i386-builtin-types.awk (DEF_VECTOR_TYPE): Allow an + optional 3rd argument to define the mode. + * config/i386/i386-builtin-types.def (UQI, UHI, USI, UDI): New. + (V2UDI, V4USI, V8UHI, V16UQI): New. + (V4SF_FTYPE_V4SF_V4SF_V4SI, V2UDI_FTYPE_V2UDI_V2UDI_V2UDI, + V4USI_FTYPE_V4USI_V4USI_V4USI, V8UHI_FTYPE_V8UHI_V8UHI_V8UHI, + V16UQI_FTYPE_V16UQI_V16UQI_V16UQI): New. + * config/i386/i386-modes.def: Rearrange for double-wide AVX. + * config/i386/i386-protos.h (ix86_expand_vec_extract_even_odd): New. + * config/i386/i386.c (IX86_BUILTIN_VEC_PERM_*): New. + (bdesc_args): Add the builtin definitions to match. + (ix86_expand_builtin): Expand them. + (ix86_builtin_vectorization_cost): Rename from + x86_builtin_vectorization_cost. + (ix86_vectorize_builtin_vec_perm, struct expand_vec_perm_d, + doublesize_vector_mode, expand_vselect, expand_vselect_vconcat, + expand_vec_perm_blend, expand_vec_perm_vpermil, + expand_vec_perm_pshufb, expand_vec_perm_1, + expand_vec_perm_pshuflw_pshufhw, expand_vec_perm_palignr, + expand_vec_perm_interleave2, expand_vec_perm_pshufb2, + expand_vec_perm_even_odd_1, expand_vec_perm_even_odd, + ix86_expand_vec_perm_builtin_1, extract_vec_perm_cst, + ix86_expand_vec_perm_builtin, ix86_vectorize_builtin_vec_perm_ok, + ix86_expand_vec_extract_even_odd, TARGET_VECTORIZE_BUILTIN_VEC_PERM, + TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): New. + * sse.md (SSEMODE_EO): New. + (vec_extract_even<mode>): Use SSEMODE_EO and + ix86_expand_vec_extract_even_odd. + (vec_extract_odd<mode>): Likewise. + (mulv16qi3, vec_pack_trunc_v8hi, vec_pack_trunc_v4si, + vec_pack_trunc_v2di): Use ix86_expand_vec_extract_even_odd. + +2009-11-25 Richard Henderson <rth@redhat.com> + + * target.h (targetm.vectorize.builtin_vec_perm_ok): New. + * target-def.h (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): New. + * hooks.h, hooks.c (hook_bool_tree_tree_true): New. + * tree-vect-slp.c (vect_create_mask_and_perm): Don't create + the vector constant here... + (vect_transform_slp_perm_load): ... do it here instead. Validate + that the permutation vector is implementable by the target. + +2009-11-25 Jakub Jelinek <jakub@redhat.com> + + * config/rs6000/sysv4.opt (mregnames): Change Var to rs6000_regnames. + * config/rs6000/sysv4.h (TARGET_REGNAMES): Define. + + * print-rtl.c (print_rtx): When printing newline, append + print_rtx_head and indentation after the newline. + + PR target/42165 + * config/i386/i386.c (print_operand): For 32-byte memory use + YMMWORD in -masm=intel mode. Use TBYTE instead of XWORD. + * config/i386/i386.md (crc32modesuffix): Expand to nothing + in -masm=intel mode. + (sse4_2_crc32di): Print just crc32 instead of crc32q in + -masm=intel mode. + * config/i386/mmx.md (*mmx_pinsrw): Print correct size of + memory operand in -masm=intel mode. + * config/i386/sse.md (*avx_pinsr<ssevecsize>, *sse4_1_pinsrb, + *sse2_pinsrw): Likewise. + (sse_cvtss2siq, sse_cvtss2siq_2, sse_cvttss2siq): Don't print + q suffix in -masm=intel mode. + +2009-11-25 Eric Botcazou <ebotcazou@adacore.com> + + PR target/10127 + PR ada/20548 + PR middle-end/42004 + * dwarf2out.c (dwarf2out_args_size_adjust): Rename to... + (dwarf2out_stack_adjust): ...this. Do not adjust the arg size for + ACCUMULATE_OUTGOING_ARGS targets. Rename former version to... + (dwarf2out_notice_stack_adjust): ...this. Adjust for above renaming. + (dwarf2out_frame_debug_expr): Revert previous change and adjust for + above renaming. + (dwarf2out_frame_debug): Add ??? comment. Adjust for above renaming. + +2009-11-25 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/predicates.md (emms_operation): New predicate. + (vzeroupper_operation): Ditto. + (vzeroall_operation): Improve pattern recognition. + * config/i386/sse.md (avx_vzeroupper_rex64): Remove insn pattern. + (avx_vzeroupper): Change insn pattern to expander. + (*avx_vzeroupper): New insn pattern. Use vzeroupper_operation + predicate. + (*avx_vzeroall): Remove operands 1 and 2. + * config/i386/mmx.md (mmx_emms): Change insn pattern to expander. + (mmx_femms): Ditto. + (*mmx_emms): New insn pattern. Use emms_operation predicate. + (*mmx_femms): Ditto. + * config/i386/i386.c (enum ix86_builtins) + <IX86_BUILTIN_VZEROUPPER_REX64>: Remove. + (struct builtin_description) <CODE_FOR_avx_vzeroupper_rex64>: + Remove initailization. + <CODE_FOR_avx_vzeroupper>: Unconditionally initialize here. + +2009-11-25 Paul Brook <paul@codesourcery.com> + + * config/arm/arm.md (consttable_4): Handle (high ...). + +2009-11-25 Robert Nelson <robert.nelson@digikey.com> + Richard Earnshaw <rearnsha@arm.com> + + * arm.h (enum vfp_reg_type): Add VFP_NONE. + * arm.c (all_fpus): Use it for floating point units that aren't based + on the VFP architecture. + (aapcs_vfp_is_call_or_return_candidate): Make base_mode a pointer to + enum machine_mode. + +2009-11-25 H.J. Lu <hongjiu.lu@intel.com> + + * alias.c: Remove trailing white spaces. + * alloc-pool.c: Likewise. + * alloc-pool.h: Likewise. + * attribs.c: Likewise. + * auto-inc-dec.c: Likewise. + * basic-block.h: Likewise. + * bb-reorder.c: Likewise. + * bt-load.c: Likewise. + * builtins.c: Likewise. + * builtins.def: Likewise. + * c-common.c: Likewise. + * c-common.h: Likewise. + * c-cppbuiltin.c: Likewise. + * c-decl.c: Likewise. + * c-format.c: Likewise. + * c-lex.c: Likewise. + * c-omp.c: Likewise. + * c-opts.c: Likewise. + * c-parser.c: Likewise. + * c-pretty-print.c: Likewise. + * c-tree.h: Likewise. + * c-typeck.c: Likewise. + * caller-save.c: Likewise. + * calls.c: Likewise. + * cfg.c: Likewise. + * cfganal.c: Likewise. + * cfgexpand.c: Likewise. + * cfghooks.c: Likewise. + * cfghooks.h: Likewise. + * cfglayout.c: Likewise. + * cfgloop.c: Likewise. + * cfgloop.h: Likewise. + * cfgloopmanip.c: Likewise. + * cfgrtl.c: Likewise. + * cgraph.c: Likewise. + * cgraph.h: Likewise. + * cgraphbuild.c: Likewise. + * cgraphunit.c: Likewise. + * cif-code.def: Likewise. + * collect2.c: Likewise. + * combine.c: Likewise. + * convert.c: Likewise. + * coverage.c: Likewise. + * crtstuff.c: Likewise. + * cse.c: Likewise. + * cselib.c: Likewise. + * dbgcnt.c: Likewise. + * dbgcnt.def: Likewise. + * dbgcnt.h: Likewise. + * dbxout.c: Likewise. + * dce.c: Likewise. + * ddg.c: Likewise. + * ddg.h: Likewise. + * defaults.h: Likewise. + * df-byte-scan.c: Likewise. + * df-core.c: Likewise. + * df-problems.c: Likewise. + * df-scan.c: Likewise. + * df.h: Likewise. + * dfp.c: Likewise. + * diagnostic.c: Likewise. + * diagnostic.h: Likewise. + * dominance.c: Likewise. + * domwalk.c: Likewise. + * double-int.c: Likewise. + * double-int.h: Likewise. + * dse.c: Likewise. + * dwarf2asm.c: Likewise. + * dwarf2asm.h: Likewise. + * dwarf2out.c: Likewise. + * ebitmap.c: Likewise. + * ebitmap.h: Likewise. + * emit-rtl.c: Likewise. + * et-forest.c: Likewise. + * except.c: Likewise. + * except.h: Likewise. + * expmed.c: Likewise. + * expr.c: Likewise. + * expr.h: Likewise. + * final.c: Likewise. + * flags.h: Likewise. + * fold-const.c: Likewise. + * function.c: Likewise. + * function.h: Likewise. + * fwprop.c: Likewise. + * gcc.c: Likewise. + * gcov-dump.c: Likewise. + * gcov-io.c: Likewise. + * gcov-io.h: Likewise. + * gcov.c: Likewise. + * gcse.c: Likewise. + * genattr.c: Likewise. + * genattrtab.c: Likewise. + * genautomata.c: Likewise. + * genchecksum.c: Likewise. + * genconfig.c: Likewise. + * genflags.c: Likewise. + * gengtype-parse.c: Likewise. + * gengtype.c: Likewise. + * gengtype.h: Likewise. + * genmddeps.c: Likewise. + * genmodes.c: Likewise. + * genopinit.c: Likewise. + * genpreds.c: Likewise. + * gensupport.c: Likewise. + * ggc-common.c: Likewise. + * ggc-page.c: Likewise. + * ggc-zone.c: Likewise. + * ggc.h: Likewise. + * gimple-iterator.c: Likewise. + * gimple-low.c: Likewise. + * gimple-pretty-print.c: Likewise. + * gimple.c: Likewise. + * gimple.def: Likewise. + * gimple.h: Likewise. + * gimplify.c: Likewise. + * graphds.c: Likewise. + * graphite-clast-to-gimple.c: Likewise. + * gthr-nks.h: Likewise. + * gthr-posix.c: Likewise. + * gthr-posix.h: Likewise. + * gthr-posix95.h: Likewise. + * gthr-single.h: Likewise. + * gthr-tpf.h: Likewise. + * gthr-vxworks.h: Likewise. + * gthr.h: Likewise. + * haifa-sched.c: Likewise. + * hard-reg-set.h: Likewise. + * hooks.c: Likewise. + * hooks.h: Likewise. + * hosthooks.h: Likewise. + * hwint.h: Likewise. + * ifcvt.c: Likewise. + * incpath.c: Likewise. + * init-regs.c: Likewise. + * integrate.c: Likewise. + * ipa-cp.c: Likewise. + * ipa-inline.c: Likewise. + * ipa-prop.c: Likewise. + * ipa-pure-const.c: Likewise. + * ipa-reference.c: Likewise. + * ipa-struct-reorg.c: Likewise. + * ipa-struct-reorg.h: Likewise. + * ipa-type-escape.c: Likewise. + * ipa-type-escape.h: Likewise. + * ipa-utils.c: Likewise. + * ipa-utils.h: Likewise. + * ipa.c: Likewise. + * ira-build.c: Likewise. + * ira-color.c: Likewise. + * ira-conflicts.c: Likewise. + * ira-costs.c: Likewise. + * ira-emit.c: Likewise. + * ira-int.h: Likewise. + * ira-lives.c: Likewise. + * ira.c: Likewise. + * jump.c: Likewise. + * lambda-code.c: Likewise. + * lambda-mat.c: Likewise. + * lambda-trans.c: Likewise. + * lambda.h: Likewise. + * langhooks.c: Likewise. + * lcm.c: Likewise. + * libgcov.c: Likewise. + * lists.c: Likewise. + * loop-doloop.c: Likewise. + * loop-init.c: Likewise. + * loop-invariant.c: Likewise. + * loop-iv.c: Likewise. + * loop-unroll.c: Likewise. + * lower-subreg.c: Likewise. + * lto-cgraph.c: Likewise. + * lto-compress.c: Likewise. + * lto-opts.c: Likewise. + * lto-section-in.c: Likewise. + * lto-section-out.c: Likewise. + * lto-streamer-in.c: Likewise. + * lto-streamer-out.c: Likewise. + * lto-streamer.c: Likewise. + * lto-streamer.h: Likewise. + * lto-symtab.c: Likewise. + * lto-wpa-fixup.c: Likewise. + * matrix-reorg.c: Likewise. + * mcf.c: Likewise. + * mode-switching.c: Likewise. + * modulo-sched.c: Likewise. + * omega.c: Likewise. + * omega.h: Likewise. + * omp-low.c: Likewise. + * optabs.c: Likewise. + * optabs.h: Likewise. + * opts-common.c: Likewise. + * opts.c: Likewise. + * params.def: Likewise. + * params.h: Likewise. + * passes.c: Likewise. + * plugin.c: Likewise. + * postreload-gcse.c: Likewise. + * postreload.c: Likewise. + * predict.c: Likewise. + * predict.def: Likewise. + * pretty-print.c: Likewise. + * pretty-print.h: Likewise. + * print-rtl.c: Likewise. + * print-tree.c: Likewise. + * profile.c: Likewise. + * read-rtl.c: Likewise. + * real.c: Likewise. + * recog.c: Likewise. + * reg-stack.c: Likewise. + * regcprop.c: Likewise. + * reginfo.c: Likewise. + * regmove.c: Likewise. + * regrename.c: Likewise. + * regs.h: Likewise. + * regstat.c: Likewise. + * reload.c: Likewise. + * reload1.c: Likewise. + * resource.c: Likewise. + * rtl.c: Likewise. + * rtl.def: Likewise. + * rtl.h: Likewise. + * rtlanal.c: Likewise. + * sbitmap.c: Likewise. + * sched-deps.c: Likewise. + * sched-ebb.c: Likewise. + * sched-int.h: Likewise. + * sched-rgn.c: Likewise. + * sched-vis.c: Likewise. + * sdbout.c: Likewise. + * sel-sched-dump.c: Likewise. + * sel-sched-dump.h: Likewise. + * sel-sched-ir.c: Likewise. + * sel-sched-ir.h: Likewise. + * sel-sched.c: Likewise. + * sel-sched.h: Likewise. + * sese.c: Likewise. + * sese.h: Likewise. + * simplify-rtx.c: Likewise. + * stack-ptr-mod.c: Likewise. + * stmt.c: Likewise. + * stor-layout.c: Likewise. + * store-motion.c: Likewise. + * stringpool.c: Likewise. + * stub-objc.c: Likewise. + * sync-builtins.def: Likewise. + * target-def.h: Likewise. + * target.h: Likewise. + * targhooks.c: Likewise. + * targhooks.h: Likewise. + * timevar.c: Likewise. + * tlink.c: Likewise. + * toplev.c: Likewise. + * toplev.h: Likewise. + * tracer.c: Likewise. + * tree-affine.c: Likewise. + * tree-affine.h: Likewise. + * tree-browser.def: Likewise. + * tree-call-cdce.c: Likewise. + * tree-cfg.c: Likewise. + * tree-cfgcleanup.c: Likewise. + * tree-chrec.c: Likewise. + * tree-chrec.h: Likewise. + * tree-complex.c: Likewise. + * tree-data-ref.c: Likewise. + * tree-data-ref.h: Likewise. + * tree-dfa.c: Likewise. + * tree-dump.c: Likewise. + * tree-dump.h: Likewise. + * tree-eh.c: Likewise. + * tree-flow-inline.h: Likewise. + * tree-flow.h: Likewise. + * tree-if-conv.c: Likewise. + * tree-inline.c: Likewise. + * tree-into-ssa.c: Likewise. + * tree-loop-distribution.c: Likewise. + * tree-loop-linear.c: Likewise. + * tree-mudflap.c: Likewise. + * tree-nested.c: Likewise. + * tree-nomudflap.c: Likewise. + * tree-nrv.c: Likewise. + * tree-object-size.c: Likewise. + * tree-optimize.c: Likewise. + * tree-outof-ssa.c: Likewise. + * tree-parloops.c: Likewise. + * tree-pass.h: Likewise. + * tree-phinodes.c: Likewise. + * tree-predcom.c: Likewise. + * tree-pretty-print.c: Likewise. + * tree-profile.c: Likewise. + * tree-scalar-evolution.c: Likewise. + * tree-ssa-address.c: Likewise. + * tree-ssa-alias.c: Likewise. + * tree-ssa-ccp.c: Likewise. + * tree-ssa-coalesce.c: Likewise. + * tree-ssa-copy.c: Likewise. + * tree-ssa-copyrename.c: Likewise. + * tree-ssa-dce.c: Likewise. + * tree-ssa-dom.c: Likewise. + * tree-ssa-dse.c: Likewise. + * tree-ssa-forwprop.c: Likewise. + * tree-ssa-ifcombine.c: Likewise. + * tree-ssa-live.c: Likewise. + * tree-ssa-live.h: Likewise. + * tree-ssa-loop-ch.c: Likewise. + * tree-ssa-loop-im.c: Likewise. + * tree-ssa-loop-ivcanon.c: Likewise. + * tree-ssa-loop-ivopts.c: Likewise. + * tree-ssa-loop-manip.c: Likewise. + * tree-ssa-loop-niter.c: Likewise. + * tree-ssa-loop-prefetch.c: Likewise. + * tree-ssa-loop-unswitch.c: Likewise. + * tree-ssa-loop.c: Likewise. + * tree-ssa-math-opts.c: Likewise. + * tree-ssa-operands.c: Likewise. + * tree-ssa-operands.h: Likewise. + * tree-ssa-phiopt.c: Likewise. + * tree-ssa-phiprop.c: Likewise. + * tree-ssa-pre.c: Likewise. + * tree-ssa-propagate.c: Likewise. + * tree-ssa-reassoc.c: Likewise. + * tree-ssa-sccvn.c: Likewise. + * tree-ssa-sink.c: Likewise. + * tree-ssa-structalias.c: Likewise. + * tree-ssa-ter.c: Likewise. + * tree-ssa-threadedge.c: Likewise. + * tree-ssa-threadupdate.c: Likewise. + * tree-ssa-uncprop.c: Likewise. + * tree-ssa.c: Likewise. + * tree-ssanames.c: Likewise. + * tree-switch-conversion.c: Likewise. + * tree-tailcall.c: Likewise. + * tree-vect-data-refs.c: Likewise. + * tree-vect-generic.c: Likewise. + * tree-vect-loop-manip.c: Likewise. + * tree-vect-loop.c: Likewise. + * tree-vect-patterns.c: Likewise. + * tree-vect-slp.c: Likewise. + * tree-vect-stmts.c: Likewise. + * tree-vectorizer.c: Likewise. + * tree-vectorizer.h: Likewise. + * tree-vrp.c: Likewise. + * tree.c: Likewise. + * tree.def: Likewise. + * tree.h: Likewise. + * treestruct.def: Likewise. + * unwind-compat.c: Likewise. + * unwind-dw2-fde-glibc.c: Likewise. + * unwind-dw2.c: Likewise. + * value-prof.c: Likewise. + * value-prof.h: Likewise. + * var-tracking.c: Likewise. + * varasm.c: Likewise. + * varpool.c: Likewise. + * vec.c: Likewise. + * vec.h: Likewise. + * vmsdbgout.c: Likewise. + * web.c: Likewise. + * xcoffout.c: Likewise. + +2009-11-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca> + + * pa.c (output_call): Only use sr4 for long interspace calls if + call binds local and generating non PIC code. + (attr_length_call): Adjust length calculation for above. + +2009-11-25 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/i386.md (plusminus_carry_mnemonic): New code attribute. + (add<mode>3_carry): Change operand order of plus RTX. + (*add<mode>3_carry): Ditto. + (*addsi3_carry_zext): Ditto. + (*add<dwi>3_doubleword): Update for changed operand order. + (*negti2_1 splitter): Ditto. + (*negdi2_1 splitter): Ditto. + (<plusminus_insn><mode>3_carry): Macroize expander from + {add,sub}<mode>3_carry patterns using plusminus code iterator. + (*<plusminus_insn><mode>3_carry): Macroize insn from + *{add,sub}<mode>3_carry patetrns using plusminus code iterator. + (neg<mode>2): Macroize expander from neg{qi,hi,si,di,ti}2 + patterns using SDWIM mode iterator. + (*neg<dwi>2_doubleword): New insn_and_split pattern. Macroize + pattern from *neg{di,ti}2_1 patterns and corresponding splitters + using DWIH mode iterator. + (*neg<mode>2_1): Macroize insn from neg{qi,hi,si,di}2_1 patterns + using SWI mode iterator. + (*neg<mode>2_cmpz): Ditto from neg{qi,hi,si,di}2_cmpz patterns. + (one_cmpl<mode>2): Macroize expander from one_cmpl{qi,hi,si,di}2 + patterns using SWIM mode iterator. + (*one_cmpl<mode>2_1): Macroize insn from one_cmpl{hi,si,di}2_1 + patterns using SWI248 mode iterator. + (*one_cmpl<mode>2_2): Macroize insn from one_cmpl{qi,hi,si,di}2_2 + patterns using SWI mode iterator. + (*one_cmpl<mode>2_2 splitter): Macroize splitter from + one_cmpl{qi,hi,si,di}2_2 splitter patterns using SWI mode iterator. + +2009-11-24 Michael Matz <matz@suse.de> + + * expr.c (set_storage_via_libcall): Fix build_call_expr call. + +2009-11-24 David Binderman <dcb314@hotmail.com> + + * expr.c (store_field): Remove set but not used local variable + width_mask. + (expand_expr_real_2): Remove treeop2. + * gcse.c (update_ld_motion_stores): Remove new_rtx. + * haifa-sched.c (max_issue): Remove points. + (sched_create_recovery_edges): Remove e. + * ira-costs.c (setup_allocno_cover_class_and_costs): Remove mode. + +2009-11-24 Nick Clifton <nickc@redhat.com> + + * config/v850/v850.c (function_arg): Fix handling of zero-length + function arguments. + +2009-11-24 Michael Matz <matz@suse.de> + + * tree.h (union tree_ann_d): Don't declare. + (tree_base): Remove ann field. + (struct var_ann_d): Declare forward. + (tree_result_decl, tree_parm_decl, tree_var_decl): Add ann field. + (DECL_VAR_ANN_PTR): New macro. + * tree-dfa.c (create_var_ann): Rewrite in terms of above macro, + accept only VAR, PARM or RESULT decls. + (create_tree_common_ann): Remove. + (remove_referenced_var): Use DECL_VAR_ANN_PTR. + * tree-eh.c (lookup_expr_eh_lp): Remove. + * tree-flow-inline.h (var_ann, get_var_ann): Rewrite in terms of + DECL_VAR_ANN_PTR. + (ann_type, tree_common_ann, get_tree_common_ann): Remove. + * tree-flow.h (enum tree_ann_type): Remove. + (struct tree_ann_common_d): Remove. + (struct var_ann_d): Remove common field. + (union tree_ann_d): Remove. + (tree_ann_t, tree_ann_common_t): Remove typedefs. + (tree_common_ann, get_tree_common_ann, ann_type, + create_tree_common_ann, lookup_expr_eh_lp): Don't declare. + * tree-ssa.c (delete_tree_ssa): Use DECL_VAR_ANN_PTR. + * tree.c (copy_node_stat): Use DECL_VAR_ANN_PTR. + * builtins.c (expand_builtin_memcpy): Use + currently_expanding_gimple_stmt instead of tree annotation. + (expand_builtin_memset_args): Ditto. + * cfgexpand.c (currently_expanding_gimple_stmt): Add global variable. + (expand_call_stmt): Don't set tree annotation. + (expand_gimple_basic_block): Set currently_expanding_gimple_stmt. + * expr.c (expand_expr_real): Don't call lookup_expr_eh_lp. + * gimple.h (currently_expanding_gimple_stmt): Declare. + +2009-11-24 Paolo Carlini <paolo.carlini@oracle.com> + + * dwarf2out.c (add_location_or_const_value_attribute): Remove + useless NOTE_VAR_LOCATION_STATUS call. + * cfgrtl.c (commit_one_edge_insertion): Remove useless loop, tidy. + +2009-11-24 Rafael Avila de Espindola <espindola@google.com> + + * lto-wrapper.c (lto_wrapper_exit): Don't try to delete files if + being called recursively. + +2009-11-24 Basile Starynkevitch <basile@starynkevitch.net> + + * Makefile.in (PLUGIN_HEADERS): Added files: cppdefault.h flags.h + $(MD5_H) params.def params.h prefix.h tree-inline.h. + +2009-11-24 Paul Brook <paul@codesourcery.com> + + * gcc/config/arm/arm.c (arm_compute_save_reg0_reg12_mask): Fix comment + typo. + +2009-11-24 Julian Brown <julian@codesourcery.com> + Paul Brook <paul@codesourcery.com> + + * config/arm/arm.c (TARGET_DWARF_REGISTER_SPAN): Define. + (arm_dwarf_register_span): New function. + (arm_dbx_register_number): Add VFPv3 dwarf numbering. + +2009-11-24 David Binderman <dcb314@hotmail.com> + + * cfgrtl.c (commit_one_edge_insertion): Remove set but not used + local variable bb_note. + * dominance.c (get_dominated_by): Likewise local var n. + (output_file_names): Likewise local var idx. + (add_location_or_const_value_attribute): Likewise local var status. + * dwarf2out.c (gen_variable_die): Likewise local var field. + * emit-rtl.c (no_line_numbers): Remove. + (init_emit_once): Remove line_numbers parameter. + * rtl.h (init_emit_once): Adjust prototype. + * toplev.c (backend_init): Adjust init_emit_once call. + +2009-11-24 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/42142 + * tree-ssa-dce.c (mark_aliased_reaching_defs_necessary_1): + Handle iv-dependent (non-)kills properly. + (mark_aliased_reaching_defs_necessary): Pass the basic-block + of the reference statement to mark_aliased_reaching_defs_necessary_1. + +2009-11-24 Martin Jambor <mjambor@suse.cz> + + PR tree-optimization/42154 + * tree-sra.c (struct access): Added comments. + (sra_modify_expr): Build references to the old aggregate with + build_ref_for_offset instead of reusing access->expr. + (load_assign_lhs_subreplacements): Likewise. + +2009-11-24 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/i386.md (add<mode>3_carry): Change insn pattern + to expander. + (sub<mode>3_carry): Ditto. + (x86_mov<mode>cc_0_m1): Ditto. + (*add<mode>3_carry): New insn pattern. Use VOIDmode match_operator + for ix86_carry_flag_operator operator predicate. + (*sub<mode>3_carry): Ditto. + (*x86_mov<mode>cc_0_m1): Ditto. + (*addsi3_carry_zext): Use VOIDmode match_operator for + ix86_carry_flag_operator operator predicate. + (*subsi3_carry_zext): Ditto. + (*x86_mov<mode>cc_0_m1_s): Ditto. + (*x86_mov<mode>cc_0_m1_neg): Ditto. + * config/i386/predocates.md (ix86_carry_flag_operator): Do not + check operator sub-expressions for FLAGS_REG and const0_rtx. + * config/i386/i386.c (*ix86_gen_sub3_carry): Update prototype. + (ix86_expand_int_movcc): Update calls to gen_x86_mov{si,di}cc_0_m1. + (ix86_expand_int_addcc): Update calls to + gen_{add,sub}{qi,hi,si,di}3_carry. Do not set mode of compare_op. + (ix86_expand_strlensi_unroll_1): Update calls to ix86_gen_sub3_carry. + Do not set mode of compare operation. + +2009-11-23 Jan Hubicka <jh@suse.cz> + + PR middle-end/42151 + * ipa-inline.c (inline_transform): Avoid ICE when transform is called + twice. + +2009-11-23 Jan Hubicka <jh@suse.cz> + + * ipa-cp.c (ipcp_compute_node_scale): Work around completely + wrong profile updates. + * predict.c (counts_to_freqs): Be expected for ENTRY/EXIT block + having largest frequency. + * ira-live.c (ira_implicitly_set_insn_hard_regs): Silecne + used uninitalized warning. + * tree-optimize.c (execute_fixup_cfg): Rescale entry and exit block + frequencies. + +2009-11-23 Uros Bizjak <ubizjak@gmail.com> + + * config/alpha/alpha.md (*cmp_sadd_sidi): Use gen_lowpart instead + of gen_rtx_REG to generate operand 5. + (*cmp_ssub_sidi): Ditto. + +2009-11-23 Richard Henderson <rth@redhat.com> + + * config/i386/i386.c (avx_vpermilp_parallel): Fix sign compare + mismatch. + +2009-11-23 Paul Brook <paul@codesourcery.com> + + * config/arm/arm.c (arm_compute_save_reg0_reg12_mask): Add special + case for noreturn functions. + (arm_compute_save_reg_mask): Remove special noreturn handling. + +2009-11-23 Richard Guenther <rguenther@suse.de> + + * tree-dfa.c (get_ref_base_and_extent): Adjust maximum access + size for DECL bases. + +2009-11-22 Richard Henderson <rth@redhat.com> + + * i386.c (avx_vpermilp_parallel): New function. + * i386-protos.h: Declare it. + * predicates.md (avx_vpermilp_v8sf_operand, avx_vpermilp_v4df_operand, + avx_vpermilp_v4sf_operand, avx_vpermilp_v2df_operand): New. + * sse.md (AVXMODEFDP, AVXMODEFSP): New iterators. + (ssescalarnum, ssedoublesizemode): Add AVX modes. + (vpermilbits): Remove. + (avx_vpermil<mode>): Change insns to expanders. + (*avx_vpermil<mode>): New. Use vec_select. + +2009-11-22 Richard Earnshaw <rearnsha@arm.com> + + * opts.c (decode_options): Don't enable flag_schedule_insns + when optimizing for size. + * doc/invoke.texi: Document change. + +2009-11-22 Uros Bizjak <ubizjak@gmail.com> + + PR target/42113 + * config/alpha/alpha.md (*cmp_sadd_si): Change mode + of scratch register to SImode. + (*cmp_sadd_sidi): Ditto. + (*cmp_ssub_si): Ditto. + (*cmp_ssub_sidi): Ditto. + +2009-11-21 Ian Lance Taylor <iant@google.com> + + * Makefile.in (HOST_LIBS): Move higher in file. + (LINKER, LINKER_FLAGS): If ENABLE_BUILD_WITH_CXX, but $(HOST_LIBS) + is not empty, set to $(CC) and $(CFLAGS). + +2009-11-22 Martin Jambor <mjambor@suse.cz> + + * tree-cfg.c (verify_types_in_gimple_reference): Error out on + V_C_E of an SSA_NAME or an invariant if lvalue is required. + (verify_gimple_call): Verify LHS also with with + verify_types_in_gimple_reference. + +2009-11-21 Martin Jambor <mjambor@suse.cz> + + PR middle-end/42025 + * tree-sra.c (access_precludes_ipa_sra_p): New function. + (splice_param_accesses): Check all accesses by calling + access_precludes_ipa_sra_p. + (sra_ipa_modify_expr): Rename argument erite to dont_convert and do + not convert types if it is true. + (sra_ipa_modify_assign): Convert types in case of mismatch. + +2009-11-21 Kaushik Phatak <kaushik.phatak@kpitcummins.com> + + * config/sh/sh.md (cmpeqsi_t-1): Use logical_operand predicate + for operand 1. + +2009-11-21 Adam Nemet <adambnemet@gmail.com> + + * config/mips/mips-protos.h (mulsidi3_gen_fn): New typedef. + (mips_mulsidi3_gen_fn): Declare new function. + * config/mips/mips.c (mips_mulsidi3_gen_fn): New function. + * config/mips/mips.md (<u>mulsidi3): Change condition to use + mips_mulsidi3_gen_fn. Use mips_mulsidi3_gen_fn to generate the insn. + (<u>mulsidi3_64bit): Don't match for ISA_HAS_DMUL3. + (mulsidi3_64bit_dmul): New define_insn. + +2009-11-21 Ben Elliston <bje@au.ibm.com> + + * gengtype-lex.l: Enable noinput flex option. + (YY_NO_INPUT): Remove define. + +2009-11-21 Alexandre Oliva <aoliva@redhat.com> + + * tree-ssa.c (find_released_ssa_name): Handle NULL wi. + (insert_debug_temp_for_var_def): Handle degenerate PHI nodes. + (insert_debug_temps_for_defs): Handle PHI nodes. + * tree-ssa-dom.c (degenerate_phi_result): Don't crash on released + SSA names. + +2009-11-21 Alexandre Oliva <aoliva@redhat.com> + + * tree-ssa-pre.c (remove_dead_inserted_code): Don't release_defs + after remove_phi_node. + +2009-11-21 Alexandre Oliva <aoliva@redhat.com> + + PR tree-optimization/42078 + * gimple.h (gimple_replace_lhs): New declaration. + * gimple.c (gimple_replace_lhs): New function. + * tree-ssa-math-opts.c (execute_cse_reciprocals): Call it before + modifying the call. + +2009-11-20 Sebastian Pop <sebastian.pop@amd.com> + + * config/i386/sse.md (*xop_pmacsdql_mem): Don't call reg_mentioned_p. + (xop_mulv2div2di3_low): Same. + (*xop_pmacsdqh_mem): Same. + +2009-11-20 Richard Henderson <rth@redhat.com> + + * config/i386/i386-builtin-types.awk: New file. + * config/i386/i386-builtin-types.def: New file. + * config/i386/t-i386: Use them to build i386-builtin-types.inc. + * config/i386/i386.c: Include it. + (ix86_builtin_type_tab, ix86_get_builtin_type): New. + (ix86_builtin_func_type_tab, ix86_get_builtin_func_type): New. + (struct builtin_isa): Remove GTY marker. Replace tree type with + ix86_builtin_func_type; add set_and_not_built_p. + (def_builtin): Change type parameter to tcode; use + ix86_get_builtin_func_type; update all callers. Accept zero mask + to mean the builtin is unconditionally available. + (ix86_add_new_builtins): Use set_and_not_built_p instead of type + being set to NULL. + (enum ix86_special_builtin_type, enum ix86_builtin_type): Remove. + Update some users to rationalized enumeration codes from new include. + (enum multi_arg_type): Remove. Replace all enumeration values + with defines to new ix86_builtin_func_type. + (ix86_init_mmx_sse_builtins): Don't build any types here. Defer + all type resolution to def_builtin. + (ix86_init_builtin_types): Split out from ... + (ix86_init_builtins): ... here. Use ix86_get_builtin_func_type. + +2009-11-20 Michael Meissner <meissner@linux.vnet.ibm.com> + + PR target/41787 + * config/rs6000/rs6000.c (struct machine_function): Revert + 2009-10-23 change to set VRSAVE to non-0 if we use VSX. + (rs6000_expand_to_rtl_hook): Ditto. + (rs6000_check_vector_mode): Ditto. + (compute_vrsave_mask): Ditto. + +2009-11-20 Paul Brook <paul@codesourcery.com> + + * doc/invoke.texi: Document ARM -mcpu=cortex-a5. + * config/arm/arm-cores.def: Add cortex-a5. + * config/arm/bpabi.h (BE8_LINK_SPEC): Add mcpu=cortex-a5. + * config/arm/arm-tune.md: Regenerate. + +2009-11-20 Olga Golovanevsky <olga@il.ibm.com> + + PR middle-end/39960 + * ipa-struct-reorg.c (find_pos_in_stmt): New parameter. + (ref_pos): New field in structure. + (insert_new_var_in_stmt): New function. + + +2009-11-20 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE> + + * config.gcc (alpha*-dec-osf[45]*): Set use_gcc_stdint. + * config/alpha/osf.h (SIG_ATOMIC_TYPE): Define. + (INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE): Define. + (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define. + (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE, + INT_LEAST64_TYPE): Define. + (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE, + UINT_LEAST64_TYPE): Define. + (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE, + INT_FAST64_TYPE): Define. + (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE, + UINT_FAST64_TYPE): Define. + (INTPTR_TYPE, UINTPTR_TYPE): Define. + +2009-11-20 Julian Brown <julian@codesourcery.com> + + * config/arm/arm.h (ASM_OUTPUT_REG_PUSH): Handle STATIC_CHAIN_REGNUM + specially for Thumb-1. + (ASM_OUTPUT_REG_POP): Likewise. + +2009-11-19 Jason Merrill <jason@redhat.com> + + * dwarf2out.c (get_context_die): Take TYPE_MAIN_VARIANT. + +2009-11-19 Basile Starynkevitch <basile@starynkevitch.net> + Rafael Avila de Espindola <espindola@google.com> + + * doc/plugins.texi (Plugin initialization): Added advices for + retrieving the version of GCC at plugin compilation and loading times. + +2009-11-19 Basile Starynkevitch <basile@starynkevitch.net> + + * plugin.c (FMT_FOR_PLUGIN_EVENT): added definition. + (dump_active_plugins): output to file everything. Use + internationalized dump & FMT_FOR_PLUGIN_EVENT. + +2009-11-19 Richard Guenther <rguenther@suse.de> + + * gimple.c (canonicalize_cond_expr_cond): Strip conversions + around truth-valued expressions. + * tree.c (free_lang_data): Untangle check for LTO frontend. + +2009-11-19 Jakub Jelinek <jakub@redhat.com> + + * tree.c (need_assembler_name_p): Use cgraph_get_node instead + of cgraph_node_for_decl. + * cgraph.h (cgraph_node_for_decl): Remove prototype. + * cgraph.c (cgraph_node_for_decl): Remove. + (cgraph_get_node): Just return NULL if !cgraph_hash. + +2009-11-19 Paul Brook <paul@codesourcery.com> + + * config.gcc: Add new ARM --with-fpu options. + * doc/invoke.texi: Docuent ARM -mfpu=fpv4-sp-d16. + * config/arm/arm.c (all_fpus): Add fpv4-sp-d16. + +2009-11-18 Richard Guenther <rguenther@suse.de> + + * gimple.h (union gimple_statement_d): Add gsmembase member. + (gimple_vuse_op): Use gsmembase for access. + (gimple_vdef_op): Likewise. + (gimple_vuse): Likewise. + (gimple_vdef): Likewise. + (gimple_vuse_ptr): Likewise. + (gimple_vdef_ptr): Likewise. + (gimple_set_vuse): Likewise. + (gimple_set_vdef): Likewise. + * gsstruct.def (GSS_WITH_MEM_OPS_BASE): Add. + +2009-11-18 Daniel Jacobowitz <dan@codesourcery.com> + + * doc/arm-neon-intrinsics.texi: Regenerated. + +2009-11-18 Daniel Jacobowitz <dan@codesourcery.com> + + * config/arm/neon-docgen.ml (analyze_shape_elt): Handle alternatives. + +2009-11-18 Paul Brook <paul@codesourcery.com> + Daniel Jacobowitz <dan@codesourcery.com> + + * config/arm/arm.c (FL_ARCH7EM, FL_FOR_ARCH7EM): Define. + (arm_arch7em): New variable. + (all_architectures): Add armv7e-m. + (arm_override_options): Set arm_arch7em. + * config/arm/arm.h (TARGET_DSP_MULTIPLY, TARGET_INT_SIMD): + Include arm_arch7em. + (arm_arch7em): Declare. + +2009-11-18 Richard Guenther <rguenther@suse.de> + + * lto-streamer-in.c (input_gimple_stmt): Assert that we find + a valid field decl if checking is enabled. + +2009-11-18 Martin Jambor <mjambor@suse.cz> + + * ipa-prop.h (struct ipa_param_call_note): New field lto_stmt_uid. + (lto_ipa_fixup_call_notes): Declare. + * ipa-prop.c (ipa_note_param_call): Store gimple uid. + (update_call_notes_after_inlining): Copy call stmt uid to the new + edge. + (ipa_write_param_call_note): New function. + (ipa_read_param_call_note): New function + (ipa_write_node_info): Write also param call notes. Removed a bogus + comment, reformatted to fit 80 columns. + (ipa_read_node_info): Read also param call notes. Removed a bogus + comment. Remove ipa_edge_args_vector growth. + (lto_ipa_fixup_call_notes): New function. + * ipa-cp.c (pass_ipa_cp): Add stmt_fixup hook. + * ipa-inline.c (cgraph_mark_inline_edge): Perform indirect + inlining regardless of flag_wpa. + (cgraph_decide_inlining_of_small_functions): Likewise. + (cgraph_decide_inlining): Likewise. + (inline_read_summary): Likewise. + +2009-11-18 Jan Hubicka <jh@suse.cz> + + * predict.c (compute_function_frequency): Export. + * predict.h (compute_function_frequency): Declare. + * tree-optimize.c (execute_fixup_cfg): Rescale frequencies. + +2009-11-18 Martin Jambor <mjambor@suse.cz> + + * passes.c (ipa_write_summaries): Call renumber_gimple_stmt_uids + on all nodes we write summaries for. + +2009-11-18 Shujing Zhao <pearly.zhao@oracle.com> + + PR middle-end/22201 + * params.def (PARAM_INLINE_UNIT_GROWTH, PARAM_IPCP_UNIT_GROWTH) + (PARAM_EARLY_INLINING_INSNS, PARAM_IRA_MAX_LOOPS_NUM) + (PARAM_IRA_MAX_CONFLICT_TABLE_SIZE) + (PARAM_LOOP_INVARIANT_MAX_BBS_IN_LOOP) + (PARAM_MIN_INSN_TO_PREFETCH_RATIO) + (PARAM_PREFETCH_MIN_INSN_TO_MEM_RATIO) + (PARAM_IPA_SRA_PTR_GROWTH_FACTOR): Uppercase the first letter of the + description string. + +2009-11-18 Jakub Jelinek <jakub@redhat.com> + + * dwarf2out.c (loc_list_from_tree): Don't call rtl_for_decl_location + unnecessarily. + (rtl_for_decl_location): Try harder to get a rtl for TREE_STATIC vars. + + PR c++/3187 + * cgraph.h (struct cgraph_node): Add same_body and same_body_alias + fields. + (cgraph_same_body_alias, cgraph_remove_same_body_alias): New + prototypes. + * cgraphunit.c (cgraph_expand_function, cgraph_emit_thunks, + cgraph_materialize_all_clones): Handle same_body aliases. + * cgraph.c (cgraph_allocate_node): New function. + (cgraph_create_node): Use it. + (cgraph_node_for_decl, cgraph_node, cgraph_get_node, + cgraph_node_for_asm, cgraph_remove_node): Handle same_body aliases. + (cgraph_same_body_alias, cgraph_remove_same_body_alias): New + functions. + * lto-cgraph.c (lto_output_node): Stream out same_body aliases. + (input_node): Stream in same_body aliases. + * lto-symtab.c (lto_cgraph_replace_node): Clear node pointers + for same_body aliases. + (lto_symtab_merge_cgraph_nodes_1): Handle same_body aliases. + +2009-11-18 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk> + + PR other/39888 + * config/darwin.h: Use the extension stub libraries to access + current libgcc_s features. + +2009-11-18 Alexandre Oliva <aoliva@redhat.com> + + PR debug/41926 + * tree-vect-loop.c (vect_loop_kill_debug_uses): New. + (vect_transform_loop): Call it. + +2009-11-18 Alexandre Oliva <aoliva@redhat.com> + + * tree-ssa.c (insert_debug_temp_for_var_def): Fix handling of + released SSA names. + +2009-11-18 Alexandre Oliva <aoliva@redhat.com> + + PR debug/41888 + PR debug/41886 + * graphite-scop-detection.c (stmt_simple_for_scop_p): Debug stmts + are ok. + * graphite-sese-to-poly.c (graphite_stmt_p): Likewise. + (try_generate_gimple_bb): Skip debug stmts when finding data refs. + * sese.c (sese_build_liveouts_bb): Skip debug stmts. + (sese_bad_liveouts_use): New. + (sese_reset_debug_liveouts_bb): New. + (sese_build_liveouts): Use it. + (rename_variables_in_stmt): Reset debug stmts rather than creating + new vars for them. + (expand_scalar_variable_stmt): Likewise. + +2009-11-18 Alexandre Oliva <aoliva@redhat.com> + + * df-scan.c (df_ref_create): Don't mark BB as dirty on debug insns. + (df_ref_remove): Likewise. + +2009-11-17 Jan Hubicka <jh@suse.cz> + + * ipa-struct-reorg.c (update_cgraph_with_malloc_call): Fix profile + info. + +2009-11-17 Eric Botcazou <ebotcazou@adacore.com> + + * toplev.c (process_options): Remove dead code. + * doc/invoke.texi (-frename-registers): Mention -fpeel-loops. + +2009-11-17 Rafael Avila de Espindola <espindola@google.com> + + * lto-symtab.c (lto_symtab_resolve_symbols): Always initialize the + nodes. + +2009-11-17 Ulrich Weigand <Ulrich.Weigand@de.ibm.com> + + PR tree-optimization/41857 + * tree-ssa-address.c (move_hint_to_base): Use void pointer to + TYPE's address space instead of pointer to TYPE. + +2009-11-17 Ulrich Weigand <Ulrich.Weigand@de.ibm.com> + + * reload.c (find_reloads_address): Fix typo. + +2009-11-17 Ulrich Weigand <Ulrich.Weigand@de.ibm.com> + + * config/spu/spu.c (get_pic_reg): Use LAST_ARG_REGNUM as PIC + registers in leaf functions if possible. + +2009-11-17 Maxim Kuvyrkov <maxim@codesourcery.com> + + * config/m68k/m68k-devices.def: Add MCF5441x family. + +2009-11-17 Jan Hubicka <jh@suse.cz> + + * cgraph.c (cgraph_update_edges_for_call_stmt_node): Do not access + removed node. + * cgraphunit.c (verify_cgraph_node): Verify frequencies for match. + +2009-11-17 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/predicates.md (x86_64_szext_general_operand): Do not + nest ior expressions. + (x86_64_szext_nonmemory_operand): Ditto. + (call_insn_operand): Ditto. + +2009-11-16 Alexandre Oliva <aoliva@redhat.com> + + * stmt.c (expand_asm_stmt): Get locus from stmt. + +2009-11-16 Alexandre Oliva <aoliva@redhat.com> + + * tree-cfg.c (gimple_redirect_edge_and_branch) <case GIMPLE_ASM>: + Create the decl label for the new dest block on demand. Require + a fallthrough edge if no asm labels were redirected. + +2009-11-16 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/i386.md (cbranchsi4): Use nonimmediate_operand for + operand 1 predicate. + (cstoresi4): Ditto for operand 2. + (cbranch<mode>4): Macroize expander from cbranch{qi,hi,si,di,ti}4 + patterns using SDWIM mode iterator. + (cstore<mode>4): Macroize expander from cstore{qi,hi,si,di}4 patterns + using SWIM mode iterator. + (cmpdi_1): Rename from cmpdi_1_rex64. + (cmp<mode>_1): Macroize expander from cmp{si,di}_1 patterns using + SWI48 mode iterator. + (*cmp<mode>_1): Macroize insn from *cmp{qi,hi,si,di}_1_insn patterns + using SWI mode iterator. + (*cmp<mode>_ccno_1): Ditto from *cmp{qi,hi,si,di}_ccno_1. + (*cmp<mode>_minus_1): Ditto from *cmp{qi,hi,si,di}_minus_1. + (*cmpqi_ext_3_insn): Make private. + (*cmpqi_ext_3_insn_rex64): Make private. + (cmpstrnsi): Update for renamed cmpdi_1_rex64. + * config/i386/predicates.md (cmpsi_operand): Remove. + +2009-11-16 Paul Brook <paul@codesourcery.com> + + * doc/invoke.texi: Document ARM VFPv4 based FPUs. + * config/arm/arm.c (all_fpus): Add VFPv4 entries. + +2009-11-14 Jan Hubicka <jh@suse.cz> + + * cgraphbuild.c (compute_call_stmt_bb_frequency): Use proper + ENTRY_BLOCK_PTR. + * cgraph.c (cgraph_clone_edge): Avoid freq_scale 0 to completely + zero out all callees. + * cgraphunit.c (verify_cgraph_node): Verify cgraph nodes for + frequency and count match. + * ipa-inline.c (update_noncloned_frequencies): New function. + (cgraph_clone_inlined_nodes): Use it. + * tree-inline.c (copy_bb): Fix frequency scaling; output + diagnostic on frequency mismatches to dump file. + (initialize_cfun): Do not scale frequency; fix count scaling; + initialize entry and exit block frequencies; copy profile info. + (copy_cfg_body): Use frequency_scale as argument; fix count scaling. + (copy_body): Use frequency_scale as argument. + (expand_call_inline): Compute frequency scale and output diagnostic + to dump file. + (delete_unreachable_blocks_update_callgrah): Remove checking that + has to be done after edge redirection. + (tree_function_versioning): Update initialize_cfun and copy_body call. + +2009-11-14 Jan Hubicka <jh@suse.cz> + + * cgraph.c (cgraph_release_function_body): Update use of + ipa_transforms_to_apply. + (cgraph_remove_node): Remove ipa_transforms_to_apply. + * cgraph.h (struct cgraph_node): Add ipa_transforms_to_apply. + * cgraphunit.c (save_inline_function_body): Clear ipa_transforms for + copied body. + (cgraph_materialize_clone): Remove original if dead. + * lto-streamer-in.c (lto_read_body): Remove FIXME and + ipa_transforms_to_apply hack. + * function.h (struct function): Add ipa_transforms_to_apply. + * ipa.c (cgraph_remove_unreachable_nodes): Handle dead clone originals. + * tree-inline.c (copy_bb): Update sanity check. + (initialize_cfun): Do not copy ipa_transforms_to_apply. + (expand_call_inline): remove dead clone originals. + (tree_function_versioning): Merge transformation queues. + * passes.c (add_ipa_transform_pass): Remove. + (execute_one_ipa_transform_pass): Update ipa_transforms_to_apply + tracking. + (execute_all_ipa_transforms): Update. + (execute_one_pass): Update. + +2009-11-14 Andy Hutchinson <hutchinsonandy@gcc.gnu.org> + + PR target/21078, 21080 + * config/avr/avr.c (avr_return_addr_rtx): New function for + builtin_return_address. + (expand_prologue): Calculate stack usage. + (avr_asm_function_end_prologue): Output stack size and offset label. + * config/avr/avr.h (RETURN_ADDR_RTX): Replace. + (machine_function): Add stack_usage. + * config/avr/avr-protos.h (avr_return_addr_rtx): New function. + +2009-11-14 Anatoly Sokolov <aesok@post.ru> + + * config/iq2000/iq2000.c (iq2000_function_value): Make static, add + new 'outgoing' argument. + (iq2000_libcall_value, iq2000_function_value_regno_p): New functions. + (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE): Declare. + * config/iq2000/iq2000.h (FUNCTION_VALUE_REGNO_P): Redefine, use + iq2000_function_value_regno_p. + (FUNCTION_VALUE, LIBCALL_VALUE): Remove. + * config/iq2000/iq2000-protos.h (iq2000_function_value_regno_p): + Declare. + +2009-11-14 Richard Earnshaw <rearnsha@arm.com> + + PR target/42031 + * arm.md (adddi_sesidi_di): Place tied contraint first. + (adddi_zesidi_di, subdi_di_zesidi, subdi_di_sesidi): Likewise + (subdi_zesidi_di, subdi_sesidi_di): Likewise. + (mulsi3_compare0, mulsi_compare0_scratch): Likewise. + (mulsi3addsi, mulsi3addsi_compare0): Likewise. + (mulsi3addsi_compare0_scratch, smulsi3_highpart_nov6): Likewise. + (umulsi3_highpart_nov6, anddi_zesidi_di, anddi_sesdi_di): Likewise. + (anddi_notdi_di, iordi_sesidi_di, xordi_sesidi_di): Likewise. + (andsi_iorsi3_notsi, arm_ashldi3_1bit, arm_ashrdi3_1_bit): Likewise. + (arm_lshrdi3_1bit, one_cmpldi2): Likewise. + +2009-11-14 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/predicates.md (call_register_no_elim_operand): + New predicate. Reject stack register as valid call operand + for 32bit targets. + (call_insn_operand): Use call_register_no_elim_operand. + +2009-11-13 Richard Henderson <rth@redhat.com> + + * function.c (stack_protect_prologue): Don't bypass expand_expr + for stack_protect_guard and guard_decl. + (stack_protect_epilogue): Likewise. + +2009-11-13 Jan Hubicka <jh@suse.cz> + + * ipa.c (function_and_variable_visibility): Clear COMDAT on functions + when to PUBLIC is set. + +2009-11-13 Jakub Jelinek <jakub@redhat.com> + + PR middle-end/42029 + * gimplify.c (gimplify_omp_atomic): Set DECL_GIMPLE_REG_P on + tmp_load if needed. + +2009-11-13 Uros Bizjak <ubizjak@gmail.com> + + PR target/41900 + * config/i386/i386.md (*call_pop_1, *call_1, *call_value_pop_1, + *call_value_1): Use "lsm" as operand 1 constraint. + * config/i386/predicates.md (call_insn_operand): Depend on + index_register_operand to avoid %esp register. + +2009-11-13 Uros Bizjak <ubizjak@gmail.com> + + Revert: + 2009-11-03 Uros Bizjak <ubizjak@gmail.com> + + PR target/41900 + * config/i386/i386.h (ix86_arch_indices) <X86_ARCH_CALL_ESP>: New. + (TARGET_CALL_ESP): New define. + * config/i386/i386.c (initial_ix86_tune_features): Initialize + X86_ARCH_CALL_ESP. + * config/i386/i386.md (*call_pop_1_esp, *call_1_esp, + *call_value_pop_1_esp, *call_value_1_esp): Rename from *call_pop_1, + *call_1, *call_value_pop_1 and *call_value_1. Depend on + TARGET_CALL_ESP. + (*call_pop_1, *call_1, *call_value_pop_1, *call_value_1): + New patterns, use "lsm" as operand 1 constraint. + * config/i386/predicates.md (call_insn_operand): Depend on + index_register_operand for !TARGET_CALL_ESP to avoid %esp register. + +2009-11-13 Jason Merrill <jason@redhat.com> + + PR debug/26965 + * dwarf2out.c (gen_variable_die): Don't worry about DECL_COMDAT. + Don't emit a second declaration at any scope. + +2009-11-13 Andrey Belevantsev <abel@ispras.ru> + + PR rtl-optimization/41697 + * sel-sched-ir.c (fallthru_bb_of_jump): Bail out when a block with + a conditional jump has a single successor. + +2009-11-13 Andrey Belevantsev <abel@ispras.ru> + + * sched-deps.c (init_deps): New parameter lazy_reg_last. Don't + allocate reg_last when in case lazy_reg_last is true. + (init_deps_reg_last): New. + (free_deps): When max_reg is 0, this context is already freed. + * sched-int.h (init_deps_reg_last): Export. + (init_deps): Update prototype. + * sched-ebb.c (schedule_ebb): Update the call to init_deps. + * sched-rgn.c (sched_rgn_compute_dependencies): Likewise. + * ddg.c (build_intra_loop_deps): Likewise. + * sel-sched-ir.c (copy_deps_context, create_deps_context, + reset_deps_context, deps_init_id): Likewise. + (init_first_time_insn_data): Lazy allocate INSN_DEPS_CONTEXT. + (free_data_for_scheduled_insn): New, break down from ... + (free_first_time_insn_data): ... here. + (has_dependence_p): Allocate reg_last now, when it is needed. + (extend_insn_data): When maximal LUID is big enough, allocate + per-insn data in smaller chunks. + * sel-sched-ir.h (free_data_for_scheduled_insn): Export. + * sel-sched.c (update_seqnos_and_stage): Free INSN_DEPS_CONTEXT + in scheduled insn. + +2009-11-13 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/i386.md (call_value): Fix comment. + (sibcall_value): Ditto. + +2009-11-13 Eric Botcazou <ebotcazou@adacore.com> + + * config/i386/linux-unwind.h (x86_frob_update_context): New function. + (MD_FROB_UPDATE_CONTEXT): Define. + +2009-11-12 Eric Botcazou <ebotcazou@adacore.com> + Laurent GUERBY <laurent@guerby.net> + + * config/sparc/linux-unwind.h (sparc64_fallback_frame_state): Tidy. + Do not schedule an %sp restore. Compensate for RETURN_ADDR_OFFSET. + (sparc_fallback_frame_state): Tidy. Compensate for RETURN_ADDR_OFFSET. + +2009-11-12 Jan Hubicka <jh@suse.cz> + + * ipa.c (function_and_variable_visibility): Fix my accidentail commit + and clear DECL_COMMON on localized declarations. + +2009-11-12 Bernd Schmidt <bernd.schmidt@analog.com> + + PR rtl-opt/38582 + * regrename.c (struct du_head): New structure; some elements moved + from... + (struct du_chain): ... this one. + (open_chains, closed_chains): Now of type struct du_head *. + (do_replace): Accept du_head argument, not du_chain. All callers + changed. Modified code to match new data structures. + (build_def_use): Return a list of du_head structures. Modified code + to match new data structures. + (dump_def_use_chain): Accept du_head argument, not du_chain. All + callers changed. Modified code to match new data structures. + (merge_overlapping_regs): Accept du_head argument, not du_chain. All + callers changed. Modified code to match new data structures. + (scan_rtx_reg): Change type of this_regno and this_nregs to unsigned. + Allocate a du_head structure as well as a du_chain when creating a + new chain. Modified other code to match new data structures. + +2009-11-12 Jan Hubicka <jh@suse.cz> + + * cgraph.h (varpool_node_name): Declare. + * cgraphunit.c (process_function_and_variable_attributes): Set + force_output flag on used variables. + * ipa.c (function_and_variable_visibility): Dump externally visible + and needed variables. + * varpool.c (varpool_node_name): Export. + (decide_is_variable_needed): Check COMDAT for externally visible vars; + ignore needed flag. + +2009-11-12 Uros Bizjak <ubizjak@gmail.com> + + PR middle-end/41930 + * simplify-rtx.c (simplify_replace_fn_rtx) <case 'e'>: Skip + processing if XEXP (x, i) is NULL. + +2009-11-12 Jan Hubicka <jh@suse.cz> + + * ipa.c (function_and_variable_visibility): Verify that WEAK || COMMON + imply PUBLIC || EXTERNAL. + +2009-11-11 Andy Hutchinson <hutchinsonandy@gcc.gnu.org> + + PR middle-end/41440 + * cfgexpand.c (expand_gimple_basic_block): Append NOP to a fallthru, + single successor block, ending with jump created by RTL expander. + +2009-11-11 Jan Hubicka <jh@suse.cz> + + PR middle-end/41729 + * ipa.c (function_and_variable_visibility): Do not privatize COMDAT + and WEAK variables at -fwhole-program. + + PR middle-end/41735 + * ipa.c (whole_program_function_and_variable_visility): COMDAT + functions/variables are not needed even if they are externally visible. + +2009-11-11 Jan Hubicka <jh@suse.cz> + + (patch by Richard Guenther) + * lto-streamer-out.c (output_function): Output head of argument list + earlier. + * lto-streamer-in.c (input_function): Re-map arguments into merged + declaration. + +2009-11-11 Jan Hubicka <jh@suse.cz> + + * lto-cgraph.c: Include gcov-io.h + (output_profile_summary): New function. + (output_cgraph): Use it. + (input_profile_summary): New function. + (input_cgraph): Use it. + * coverage.c (build_ctr_info_value): Use varpool; initalize + DECL_ASSEMBLER_NAME. + (create_coverage): Likewise. + * tree-profile.c (tree_init_ic_make_global_vars): Likewise. + (tree_init_edge_profiler): Likewise. + * Makefile.in (lto-cgraph.o): Add dependency on gcov-io.h. + +2009-11-11 Kai Tietz <kai.tietz@onevision.com> + + * config/i386/cygming.h (HANDLE_PRAGMA_PUSH_POP_MACRO): Removed. + * c-pragma.c (def_pragma_macro_value): Likewise. + (def_pragma_macro): Likewise. + (pushed_macro_table): Likewise. + (HANDLE_PRAGMA_PUSH_POP_MACRO): Remove guarded code. + * doc/tm.texi (HANDLE_PRAGMA_PUSH_POP_MACRO): Removed. + +2009-11-11 Basile Starynkevitch <basile@starynkevitch.net> + + * doc/plugins.texi (Registering custom attributes): section + renamed as (Registering custom attributes or pragmas). + Mentions custom attributes & pragmas, and c_register_pragma, with + a small example. + * doc/cpp.texi (Pragmas): Mentions that plugins can provide their + pragmas. + * doc/extend.texi (Function Attributes): Mentions that plugin can + provide their attributes. + +2009-11-11 Jon Beniston <jon@beniston.com> + + * config.gcc: Add lm32 elf and uclinux targets. + * config/lm32: New directory. + * config/lm32/lm32.c: New file. + * config/lm32/lm32.h: New file. + * config/lm32/lm32.md: New file. + * config/lm32/lm32.opt: New file. + * config/lm32/lm32-protos.h: New file. + * config/lm32/constraints.md: New file. + * config/lm32/predicates.md: New file. + * config/lm32/sfp-machine.h: New file. + * config/lm32/t-fprules-softfp: New file. + * config/lm32/uclinux-elf.h: New file. + * doc/invoke.texi: Document lm32 options. + * doc/contrib.texi: Document lm32 porter. + * doc/install.texi: Document lm32 targets. + +2009-11-11 Martin Jambor <mjambor@suse.cz> + + PR lto/41932 + * ipa-prop.c (ipa_update_after_lto_read): Call + ipa_check_create_node_params and ipa_check_create_edge_args. Also + call ipa_initialize_node_params instead of ipa_populate_param_decls. + +2009-11-11 Daniel Jacobowitz <dan@codesourcery.com> + + * config/arm/arm.c (neon_vdup_constant, neon_make_constant): New. + (neon_expand_vector_init): Use them. Also handle non-constant + vectors with identical elements and vectors with only one + non-constant element. + (arm_print_operand): Handle 'y' modifier. + * config/arm/arm-protos.h (neon_make_constant): Declare. + * config/arm/neon.md (neon_vdup_n<mode>): Split into two + patterns. Use VX instead of VDQW for the first one. Allow + a VFP alternative and V32 modes for the second one. + * config/arm/neon.ml (shape_elt): Add Alternatives. + (ops): Use Alternatives for vdup lane instructions. + * config/arm/neon-testgen.ml (analyze_shape): Handle Alternatives. + * config/arm/vec-common.md (mov<mode>): Use neon_make_constant. + +2009-11-11 Daniel Jacobowitz <dan@codesourcery.com> + + * config/arm/neon.md (*neon_mov<mode>): Reject two non-register + operands. + (movti, mov<mode>): Call force_reg on one operand if required. + * config/arm/vec-common.md (mov<mode>): Likewise. + +2009-11-11 Daniel Jacobowitz <dan@codesourcery.com> + + * config/arm/arm.c (arm_override_options): Enable scheduling for + Thumb-2. + +2009-11-10 Eric Botcazou <ebotcazou@adacore.com> + + PR target/10127 + PR ada/20548 + * expr.h (anti_adjust_stack_and_probe): Declare. + * explow.c (anti_adjust_stack_and_probe): Make global, add ADJUST_BACK + parameter and rewrite head comment. + (allocate_dynamic_stack_space): Adjust call to above function. + * function.c (expand_function_end): Handle STACK_CHECK_MOVING_SP. + + * tree.h (dwarf2out_args_size): Delete. + * dwarf2out.c (dwarf2out_args_size): Make static and move around. + (dwarf2out_args_size_adjust): Delete prototype and move around. + (dwarf2out_frame_debug_expr): Do not record arg size adjustments for + ACCUMULATE_OUTGOING_ARGS targets. + +2009-11-10 Eric Botcazou <ebotcazou@adacore.com> + + * config/sparc/sparc.c (print_operand) <')'>: Test for a non-null + DECL_SIZE of DECL_RESULT before evaluating it. + +2009-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + PR tree-optimization/41987 + * fold-const.c (const_binop): Avoid using fold_buildN(). + +2009-11-10 Martin Jambor <mjambor@suse.cz> + + * tree-pass.h (struct ipa_opt_pass_d): Added stmt_fixup field. + (execute_all_ipa_stmt_fixups): Declare. + * ipa-cp.c (pass_ipa_cp): Added stmt_fixup value. + * ipa-inline.c (pass_ipa_inline): Likewise. + * ipa-pure-const.c (pass_ipa_pure_cons): Likewise. + * ipa-reference.c (pass_ipa_reference): Likewise. + * ipa.c (pass_ipa_whole_program_visibility): Likewise. + * lto-streamer-out.c (pass_ipa_lto_gimple_out): Likewise. + (pass_ipa_lto_finish_out): Likewise. + * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Likewise. + * passes.c (execute_ipa_stmt_fixups): New function. + (execute_all_ipa_stmt_fixups): New function. + * lto-streamer-in.c (input_function): Call execute_all_ipa_stmt_fixups. + +2009-11-10 Eric Botcazou <ebotcazou@adacore.com> + + PR ada/20548 + * explow.c (probe_stack_range): Fix typo. + * config/sparc/sparc.md (probe_stack): New expander. + +2009-11-09 Dave Korn <dave.korn.cygwin@gmail.com> + + * config/i386/cygwin.h (LINK_SPEC): Add -tsaware flag if !mno-cygwin. + +2009-11-09 Jason Merrill <jason@redhat.com> + + * gdbinit.in (pgq): New function for printing gimple sequence. + +2009-11-09 Paul Brook <paul@codesourcery.com> + Daniel Jacobowitz <dan@codesourcery.com> + Sandra Loosemore <sandra@codesourcery.com> + + * doc/extend.texi (Half-Precision): Update wording to reflect + that there are now multiple -mfpu options that enable fp16 + hardware support. + * doc/invoke.texi: Update list of ARM -mfpu= options. + * config.gcc: Update ARM --with-fpu option list. + * config/arm/arm.c (all_fpus): Add vfpv3-fp16, vfpv3-d16-fp16, + vfpv3xd and vfpv3xd-fp16. + (use_vfp_abi): New function. + (aapcs_vfp_is_call_or_return_candidate): Avoid double precision regs + when undesirable. + (aapcs_vfp_is_return_candidate, aapcs_vfp_is_call_candidate, + aapcs_vfp_allocate_return_reg): Use use_vfp_abi. + (arm_rtx_costs_1, arm_size_rtx_costs, arm_fastmul_rtx_costs, + arm_9e_rtx_costs): Only expect double-precision operations if the FPU + provides them. + (coproc_secondary_reload_class): Reload HFmode via GENERAL_REGS if no + NEON. + (arm_print_operand): Handle 'p' modifier. + (arm_hard_regno_mode_ok): : Allow HFmode in VFP registers if + TARGET_FP16. + * config/arm/arm.h (TARGET_VFP_SINGLE, TARGET_VFP_DOUBLE): Define. + (TARGET_FP16): Define. + * config/arm/vfp.md: Disable double-precision patterns if the FPU + does not provide them. + (arm_movdi_vfp, thumb2_movdi_vfp): Use fcpys to move + double-precision values on a single-precision FPU. + (movdf_vfp, thumb2_movdf_vfp): Likewise. Use "Dy" for + double-precision constants. + (movhf_vfp_neon): New pattern (was movhf_vfp). + (movhf_vfp): Remove NEON instructions. + * config/arm/constraints.md: Add new "Dy" constraint for + double-precision constants. Update description of "Dv". + * config/arm/arm.md: Disable double-precision patterns if the FPU + does not provide them + +2009-11-09 Jakub Jelinek <jakub@redhat.com> + + * config/i386/i386.c (print_operand) <case 'D'>: Fix formatting. + (print_operand) <case 'Y'>: Likewise. Fix a pasto in operand lossage + diagnostics. + +2009-11-08 H.J. Lu <hongjiu.lu@intel.com> + + * collect2.c (main): Search PLUGIN_LD for plugin linker. + + * configure.ac (--with-plugin-ld): New. Default to ld. + * configure: Regenerated. + * config.in: Likewise. + + * exec-tool.in (ORIGINAL_PLUGIN_LD_FOR_TARGET): New. + (collect-ld): Use ORIGINAL_PLUGIN_LD_FOR_TARGET for -plugin. + +2009-11-08 Jonathan Gray <jsg@openbsd.org> + + * config/openbsd-stdint.h: Change to reflect what + c_common_nodes_and_builtins expects. + +2009-11-08 Paolo Carlini <paolo.carlini@oracle.com> + + * builtins.c (apply_args_reg_offset): Remove commented out delaration. + +2009-11-08 Jakub Jelinek <jakub@redhat.com> + + PR target/41985 + * config/i386/i386.c (get_some_local_dynamic_name): Don't assert + function contains at least one local dynamic name. + (print_operand) <case '&'>: Instead output operand lossage diagnostics + here if that happens. + +2009-11-08 Zbigniew Chamski <zbigniew.chamski@gmail.com> + Joern Rennecke <amylaar@spamcop.net> + + * cfgrtl.c (pass_free_cfg): Add pass name. + * cgraphbuild.c (pass_build_cgraph_edges): Likewise. + (pass_rebuild_cgraph_edges, pass_remove_cgraph_callee_edges): Likewise. + * dce.c (pass_ud_rtl_dce, pass_fast_rtl_dce): Change pass name. + * df-core.c (pass_df_initialize_no_opt): Likewise. + * except.c (pass_rtl_eh): Likewise. + * function.c (pass_init_function, pass_leaf_regs): Likewise. + * gcse.c (pass_rtl_pre): Change pass name. + * passes.c (pass_postreload): Add pass name. + (make_pass_instance): Don't use duplicate-tracking logic for + names starting with '*'. + (next_pass_1): Assert that pass has a name. + (register_one_dump_file): If there is an space in the name, + skip past it. + * predict.c (pass_strip_predict_hints): Add pass name. + * reg-stack.c (pass_stack_regs): Likewise. + * stack-ptr-mod.c (pass_stack_ptr_mod): Likewise. + * tree-cfg.c (pass_warn_function_return, + pass_warn_function_noreturn): Add pass name. + * tree-dfa.c (pass_referenced_vars): Likewise. + * tree-optimize.c (pass_cleanup_cfg_post_optimizing): + Fix whitespace before comment. + (pass_fixup_cfg): Add pass name, fix whitespace before comment. + (pass_init_datastructures): Add pass name. + * tree-ssa-loop.c (pass_record_bounds): Likewise. + * tree-ssa.c (pass_early_warn_uninitialized, + pass_late_warn_uninitialized): Likewise. + * tree.c (pass_ipa_free_lang_data): Likewise. + * doc/passes.texi (pass manager): Document how to disambiguate + pass names. + +2009-11-08 Paolo Bonzini <bonzini@gnu.org> + + * df-problems.c: Fix documentation for forward simulation of LR. + (df_simulate_one_insn_forwards): Use df_simulate_find_defs. + (df_simulate_finalize_forwards): Remove. + * df.h (df_simulate_finalize_forwards): Remove. + +2009-11-08 Richard Guenther <rguenther@suse.de> + + * tree-ssa-structalias.c (build_succ_graph): Properly make + variables escape if they are stored to anything. + +2009-11-08 Richard Guenther <rguenther@suse.de> + + PR rtl-optimization/41928 + * loop-invariant.c (free_loop_data): If we didn't allocate + loop data do not try to free it. + +2009-11-07 Jason Merrill <jason@redhat.com> + + * tree.c (reconstruct_complex_type): Preserve attributes. + +2009-11-07 Richard Guenther <rguenther@suse.de> + + * tree-ssa-structalias.c (build_succ_graph): Feed stores + to anything only to variables that can take pointers. + (get_constraint_for_ssa_var): Properly exclude full + variables from expanding. + (first_vi_for_offset): Avoid overflow in arithmetic. + (first_or_preceding_vi_for_offset): Likewise. + (count_num_arguments): Fix implementation. + (gate_ipa_pta): Do not run when not optimizing. + +2009-11-07 David Binderman <dcb314@hotmail.com> + + * builtins.c (apply_args_size, expand_builtin_mathfn, expand_powi, + expand_builtin_expect, maybe_emit_sprintf_chk_warning): Remove some + set but not used variables. + (apply_args_reg_offset): Comment out as unused. + * calls.c (flags_from_decl_or_type): Likewise. + * genautomata.c (check_regexp_units_distribution): Likewise. + +2009-11-07 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/sse.md (xop_pmacsww, xop_pmacssww, xop_pmacsdd, + xop_pmacssdd, xop_pmacssdql, xop_pmacssdqh, xop_pmacsdql, + *xop_pmacsdql_mem, xop_pmacsdqh, *xop_pmacsdqh_mem, xop_pmacsswd, + xop_pmacswd, xop_pmadcsswd, xop_pmadcswd, xop_pcmov_<mode>, + xop_pcmov_<mode>256, xop_pperm, xop_pperm_pack_v2di_v4si, + xop_pperm_pack_v4si_v8hi, xop_pperm_pack_v8hi_v16qi): Compress + operand alternatives. + +2009-11-06 Michael Matz <matz@suse.de> + + PR middle-end/41963 + * tree-ssa-math-opts.c (execute_cse_reciprocals): Check all uses + of a potential reciprocal to really be reciprocals. + +2009-11-06 Jakub Jelinek <jakub@redhat.com> + + * config/i386/x86intrin.h: Include fma4intrin.h, xopintrin.h and + lwpintrin.h after immintrin.h. + * config/i386/fma4intrin.h (__v8sf, __v4df, __m256, __m256d): Remove + typedefs. + + PR middle-end/41935 + * c-common.c (fold_offsetof_1) <case ARRAY_REF>: Don't crash for VLAs + or non-constant index, allow index one past the last element and + allow exceeding array bound in arrays that might be used as flexible + array members. + +2009-11-05 Richard Henderson <rth@redhat.com> + + * config/i386/ia32intrin.h: Protect CRC32 builtins with __SSE4_2__. + +2009-11-05 Paul Brook <paul@codesourcery.com> + + * config/arm/arm.c (arm_fp_model, arm_fpu_arch, arm_fpu_tune): Remove. + (arm_fpu_desc): New. + (all_fpus): Add FPU details. + (fp_model_for_fpu): Remove. + (arm_override_options): Set and use arm_fpu_desc and arm_fpu_attr. + (arm_output_epilogue, arm_save_coproc_regs): Use TARGET_FPA_EMU2. + (arm_file_start): Use arm_fpu_desc. + * config/arm/arm.h (TARGET_FPA, TARGET_MAVERICK, TARGET_VFP, + TARGET_VFPD32, TARGET_VFP3, TARGET_NEON_FP16, TARGET_NEON): Use + arm_fpu_desc. + (TARGET_FPA_EMU2): Define. + (arm_fp_model, fputype, arm_fpu_tune): Remove. + (vfp_reg_type, arm_fpu_desc): New. + * config/arm/arm.md (attr fpu): Simplify. + * config/arm/fpa.md (movxf_fpa): Use TARGET_FPA_EMU2. + * config/arm/linux-elf.h (FPUTYPE_DEFAULT): Use string value. + * config/arm/bpabi.h (FPUTYPE_DEFAULT): Use string value. + * config/arm/netbsd-elf.h (FPUTYPE_DEFAULT): Use string value. + * config/arm/vxworks.h (FPUTYPE_DEFAULT): Use string value. + +2009-11-05 Michael Matz <matz@suse.de> + + * config/i386/i386.c (ix86_builtin_reciprocal): Remove dependency + on TARGET_RECIP. + * doc/invoke.texi (-mrecip): Clarify that we don't need -mrecip + for 1/sqrtf. + +2009-11-04 Jason Merrill <jason@redhat.com> + + PR c++/36912 + * varasm.c (initializer_constant_valid_p): A PLUS_EXPR + or MINUS_EXPR of REAL_TYPE is not a valid constant initializer. + (output_constant): Avoid crash after error. + +2009-11-05 Martin Jambor <mjambor@suse.cz> + + * tree-sra.c (struct access): Changed comment of next_sibling field. + (analyze_modified_params): Loop over accesses of a group rather than + over all with the ame base, pass a common bitmap to + walk_aliased_vdefs. + (unmodified_by_ref_scalar_representative): Build link lists of + accesses of a group. + (splice_param_accesses): Likewise. + +2009-11-04 Kenneth Zadeck <zadeck@naturalbridge.com> + + * df-scan.c (df-uses-record): Add case zero_extract of mem. + +2009-11-04 Eric Botcazou <ebotcazou@adacore.com> + + PR target/10127 + PR ada/20548 + * config/i386/i386.md (probe_stack): New expander. + (logical operation peepholes): Do not split stack checking probes. + +2009-11-04 Harsha Jagasia <harsha.jagasia@amd.com> + Dwarakanath Rajagopal <dwarak.rajagopal@amd.com> + + * doc/invoke.texi (-mlwp): Add documentation. + * doc/extend.texi (x86 intrinsics): Add LWP intrinsics. + * config.gcc (i[34567]86-*-*): Include lwpintrin.h. + (x86_64-*-*): Ditto. + * config/i386/lwpintrin.h: New file, provide x86 compiler + intrinisics for LWP. + * config/i386/cpuid.h (bit_LWP): Define LWP bit. + * config/i386/x86intrin.h: Add LWP check and lwpintrin.h. + * config/i386/i386-c.c (ix86_target_macros_internal): Check + ISA_FLAG for LWP. + * config/i386/i386.h (TARGET_LWP): New macro for LWP. + * config/i386/i386.opt (-mlwp): New switch for LWP support. + * config/i386/i386.c (OPTION_MASK_ISA_LWP_SET): New. + (OPTION_MASK_ISA_LWP_UNSET): New. + (ix86_handle_option): Handle -mlwp. + (isa_opts): Handle -mlwp. + (enum pta_flags): Add PTA_LWP. + (override_options): Add LWP support. + (IX86_BUILTIN_LLWPCB16): New for LWP intrinsic. + (IX86_BUILTIN_LLWPCB32): Ditto. + (IX86_BUILTIN_LLWPCB64): Ditto. + (IX86_BUILTIN_SLWPCB16): Ditto. + (IX86_BUILTIN_SLWPCB32): Ditto. + (IX86_BUILTIN_SLWPCB64): Ditto. + (IX86_BUILTIN_LWPVAL16): Ditto. + (IX86_BUILTIN_LWPVAL32): Ditto. + (IX86_BUILTIN_LWPVAL64): Ditto. + (IX86_BUILTIN_LWPINS16): Ditto. + (IX86_BUILTIN_LWPINS32): Ditto. + (IX86_BUILTIN_LWPINS64): Ditto. + (enum ix86_special_builtin_type): Add LWP intrinsic support. + (builtin_description): Ditto. + (ix86_init_mmx_sse_builtins): Ditto. + (ix86_expand_special_args_builtin): Ditto. + * config/i386/i386.md (UNSPEC_LLWP_INTRINSIC): Add new UNSPEC for + LWP support. + (UNSPEC_SLWP_INTRINSIC): Ditto. + (UNSPECV_LWPVAL_INTRINSIC): Ditto. + (UNSPECV_LWPINS_INTRINSIC): Ditto. + (lwp_llwpcbhi1): New lwp pattern. + (lwp_llwpcbsi1): Ditto. + (lwp_llwpcbdi1): Ditto. + (lwp_slwpcbhi1): Ditto. + (lwp_slwpcbsi1): Ditto. + (lwp_slwpcbdi1): Ditto. + (lwp_lwpvalhi3): Ditto. + (lwp_lwpvalsi3): Ditto. + (lwp_lwpvaldi3): Ditto. + (lwp_lwpinshi3): Ditto. + (lwp_lwpinssi3): Ditto. + (lwp_lwpinsdi3): Ditto. + +2009-11-04 Andrew Pinski <andrew_pinski@playstation.sony.com> + Trevor Smigiel <Trevor_Smigiel@playstation.sony.com> + + PR rtl-opt/41833 + * simplify-rtx.c (simplify_binary_operation_1): Simplify vec_select of + a vec_duplicate. + +2009-11-04 Richard Guenther <rguenther@suse.de> + Rafael Avila de Espindola <espindola@google.com> + + * gcc.c (process_command): Handle arguments name@offset. + +2009-11-04 Harsha Jagasia <harsha.jagasia@amd.com> + Dwarakanath Rajagopal <dwarak.rajagopal@amd.com> + + * config.gcc (i[34567]86-*-*): Include xopintrin.h. + (x86_64-*-*): Ditto. + * config/i386/xopintrin.h: New file, provide common x86 compiler + intrinisics for XOP. + * config/i386/cpuid.h (bit_XOP): Define XOP bit. + * config/i386/x86intrin.h: Add XOP check and xopintrin.h. + * config/i386/i386-c.c(ix86_target_macros_internal): Check + ISA_FLAG for XOP. + * config/i386/i386.h(TARGET_XOP): New macro for XOP. + * config/i386/i386.opt (-mxop): New switch for XOP support. + * config/i386/i386.md (UNSPEC_XOP_UNSIGNED_CMP) + (UNSPEC_XOP_TRUEFALSE) + (UNSPEC_XOP_PERMUTE) + (UNSPEC_FRCZ): Add new UNSPEC for XOP support. + (PPERM_*): New constants for vpperm instruction. + (xop_pcmov_<mode>): Add XOP conditional mov instructions. + * config/i386/i386.c (OPTION_MASK_ISA_XOP_SET): New. + (OPTION_MASK_ISA_XOP_UNSET): New. + (OPTION_MASK_ISA_XOP_UNSET): Change definition to depend on XOP. + (ix86_handle_option): Handle -mxop. + (isa_opts): Handle -mxop. + (enum pta_flags): Add PTA_XOP. + (override_options): Add XOP support. + (print_operand): Add code for XOP compare instructions. + (ix86_expand_sse_movcc): Extend for XOP conditional move instruction. + (ix86_expand_int_vcond): Extend for XOP compare instruction. + + (IX86_BUILTIN_VPCMOV): New for XOP intrinsic. + (IX86_BUILTIN_VPCMOV_V2DI): Ditto. + (IX86_BUILTIN_VPCMOV_V4SI): Ditto. + (IX86_BUILTIN_VPCMOV_V8HI): Ditto. + (IX86_BUILTIN_VPCMOV_V16QI): Ditto. + (IX86_BUILTIN_VPCMOV_V4SF): Ditto. + (IX86_BUILTIN_VPCMOV_V2DF): Ditto. + + (IX86_BUILTIN_VPCMOV256): Ditto. + (IX86_BUILTIN_VPCMOV_V4DI256): Ditto. + (IX86_BUILTIN_VPCMOV_V8SI256): Ditto. + (IX86_BUILTIN_VPCMOV_V16HI256): Ditto. + (IX86_BUILTIN_VPCMOV_V32QI256): Ditto. + (IX86_BUILTIN_VPCMOV_V8SF256): Ditto. + (IX86_BUILTIN_VPCMOV_V4DF256): Ditto. + + (IX86_BUILTIN_VPPERM): Ditto. + + (IX86_BUILTIN_VPMACSSWW): Ditto. + (IX86_BUILTIN_VPMACSWW): Ditto. + (IX86_BUILTIN_VPMACSSWD): Ditto. + (IX86_BUILTIN_VPMACSWD): Ditto. + (IX86_BUILTIN_VPMACSSDD): Ditto. + (IX86_BUILTIN_VPMACSDD): Ditto. + (IX86_BUILTIN_VPMACSSDQL): Ditto. + (IX86_BUILTIN_VPMACSSDQH): Ditto. + (IX86_BUILTIN_VPMACSDQL): Ditto. + (IX86_BUILTIN_VPMACSDQH): Ditto. + (IX86_BUILTIN_VPMADCSSWD): Ditto. + (IX86_BUILTIN_VPMADCSWD): Ditto. + + (IX86_BUILTIN_VPHADDBW): Ditto. + (IX86_BUILTIN_VPHADDBD): Ditto. + (IX86_BUILTIN_VPHADDBQ): Ditto. + (IX86_BUILTIN_VPHADDWD): Ditto. + (IX86_BUILTIN_VPHADDWQ): Ditto. + (IX86_BUILTIN_VPHADDDQ): Ditto. + (IX86_BUILTIN_VPHADDUBW): Ditto. + (IX86_BUILTIN_VPHADDUBD): Ditto. + (IX86_BUILTIN_VPHADDUBQ): Ditto. + (IX86_BUILTIN_VPHADDUWD): Ditto. + (IX86_BUILTIN_VPHADDUWQ): Ditto. + (IX86_BUILTIN_VPHADDUDQ): Ditto. + (IX86_BUILTIN_VPHSUBBW): Ditto. + (IX86_BUILTIN_VPHSUBWD): Ditto. + (IX86_BUILTIN_VPHSUBDQ): Ditto. + + (IX86_BUILTIN_VPROTB): Ditto. + (IX86_BUILTIN_VPROTW): Ditto. + (IX86_BUILTIN_VPROTD): Ditto. + (IX86_BUILTIN_VPROTQ): Ditto. + (IX86_BUILTIN_VPROTB_IMM): Ditto. + (IX86_BUILTIN_VPROTW_IMM): Ditto. + (IX86_BUILTIN_VPROTD_IMM): Ditto. + (IX86_BUILTIN_VPROTQ_IMM): Ditto. + + (IX86_BUILTIN_VPSHLB): Ditto. + (IX86_BUILTIN_VPSHLW): Ditto. + (IX86_BUILTIN_VPSHLD): Ditto. + (IX86_BUILTIN_VPSHLQ): Ditto. + (IX86_BUILTIN_VPSHAB): Ditto. + (IX86_BUILTIN_VPSHAW): Ditto. + (IX86_BUILTIN_VPSHAD): Ditto. + (IX86_BUILTIN_VPSHAQ): Ditto. + + (IX86_BUILTIN_VFRCZSS): Ditto. + (IX86_BUILTIN_VFRCZSD): Ditto. + (IX86_BUILTIN_VFRCZPS): Ditto. + (IX86_BUILTIN_VFRCZPD): Ditto. + (IX86_BUILTIN_VFRCZPS256): Ditto. + (IX86_BUILTIN_VFRCZPD256): Ditto. + + (IX86_BUILTIN_VPCOMEQUB): Ditto. + (IX86_BUILTIN_VPCOMNEUB): Ditto. + (IX86_BUILTIN_VPCOMLTUB): Ditto. + (IX86_BUILTIN_VPCOMLEUB): Ditto. + (IX86_BUILTIN_VPCOMGTUB): Ditto. + (IX86_BUILTIN_VPCOMGEUB): Ditto. + (IX86_BUILTIN_VPCOMFALSEUB): Ditto. + (IX86_BUILTIN_VPCOMTRUEUB): Ditto. + + (IX86_BUILTIN_VPCOMEQUW): Ditto. + (IX86_BUILTIN_VPCOMNEUW): Ditto. + (IX86_BUILTIN_VPCOMLTUW): Ditto. + (IX86_BUILTIN_VPCOMLEUW): Ditto. + (IX86_BUILTIN_VPCOMGTUW): Ditto. + (IX86_BUILTIN_VPCOMGEUW): Ditto. + (IX86_BUILTIN_VPCOMFALSEUW): Ditto. + (IX86_BUILTIN_VPCOMTRUEUW): Ditto. + + (IX86_BUILTIN_VPCOMEQUD): Ditto. + (IX86_BUILTIN_VPCOMNEUD): Ditto. + (IX86_BUILTIN_VPCOMLTUD): Ditto. + (IX86_BUILTIN_VPCOMLEUD): Ditto. + (IX86_BUILTIN_VPCOMGTUD): Ditto. + (IX86_BUILTIN_VPCOMGEUD): Ditto. + (IX86_BUILTIN_VPCOMFALSEUD): Ditto. + (IX86_BUILTIN_VPCOMTRUEUD): Ditto. + + (IX86_BUILTIN_VPCOMEQUQ): Ditto. + (IX86_BUILTIN_VPCOMNEUQ): Ditto. + (IX86_BUILTIN_VPCOMLTUQ): Ditto. + (IX86_BUILTIN_VPCOMLEUQ): Ditto. + (IX86_BUILTIN_VPCOMGTUQ): Ditto. + (IX86_BUILTIN_VPCOMGEUQ): Ditto. + (IX86_BUILTIN_VPCOMFALSEUQ): Ditto. + (IX86_BUILTIN_VPCOMTRUEUQ): Ditto. + + (IX86_BUILTIN_VPCOMEQB): Ditto. + (IX86_BUILTIN_VPCOMNEB): Ditto. + (IX86_BUILTIN_VPCOMLTB): Ditto. + (IX86_BUILTIN_VPCOMLEB): Ditto. + (IX86_BUILTIN_VPCOMGTB): Ditto. + (IX86_BUILTIN_VPCOMGEB): Ditto. + (IX86_BUILTIN_VPCOMFALSEB): Ditto. + (IX86_BUILTIN_VPCOMTRUEB): Ditto. + + (IX86_BUILTIN_VPCOMEQW): Ditto. + (IX86_BUILTIN_VPCOMNEW): Ditto. + (IX86_BUILTIN_VPCOMLTW): Ditto. + (IX86_BUILTIN_VPCOMLEW): Ditto. + (IX86_BUILTIN_VPCOMGTW): Ditto. + (IX86_BUILTIN_VPCOMGEW): Ditto. + (IX86_BUILTIN_VPCOMFALSEW): Ditto. + (IX86_BUILTIN_VPCOMTRUEW): Ditto. + + (IX86_BUILTIN_VPCOMEQD): Ditto. + (IX86_BUILTIN_VPCOMNED): Ditto. + (IX86_BUILTIN_VPCOMLTD): Ditto. + (IX86_BUILTIN_VPCOMLED): Ditto. + (IX86_BUILTIN_VPCOMGTD): Ditto. + (IX86_BUILTIN_VPCOMGED): Ditto. + (IX86_BUILTIN_VPCOMFALSED): Ditto. + (IX86_BUILTIN_VPCOMTRUED): Ditto. + + (IX86_BUILTIN_VPCOMEQQ): Ditto. + (IX86_BUILTIN_VPCOMNEQ): Ditto. + (IX86_BUILTIN_VPCOMLTQ): Ditto. + (IX86_BUILTIN_VPCOMLEQ): Ditto. + (IX86_BUILTIN_VPCOMGTQ): Ditto. + (IX86_BUILTIN_VPCOMGEQ): Ditto. + (IX86_BUILTIN_VPCOMFALSEQ): Ditto. + (IX86_BUILTIN_VPCOMTRUEQ): Ditto. + + (enum multi_arg_type): New enum for describing the various XOP + intrinsic argument types. + (bdesc_multi_arg): New table for XOP intrinsics. + (ix86_init_mmx_sse_builtins): Add XOP intrinsic support. + (ix86_expand_multi_arg_builtin): New function for creating XOP + intrinsics. + + * config/i386/sse.md (sserotatemax): New mode attribute for XOP. + (xop_pmacsww): Ditto. + (xop_pmacssww): Ditto. + (xop_pmacsdd): Ditto. + (xop_pmacssdd): Ditto. + (xop_pmacssdql): Ditto. + (xop_pmacssdqh): Ditto. + (xop_pmacsdql): Ditto. + (xop_pmacsdql_mem): Ditto. + (xop_mulv2div2di3_low): Ditto. + (xop_pmacsdqh): Ditto. + (xop_pmacsdqh_mem): Ditto. + (xop_mulv2div2di3_high): Ditto. + (xop_pmacsswd): Ditto. + (xop_pmacswd): Ditto. + (xop_pmadcsswd): Ditto. + (xop_pmadcswd): Ditto. + (xop_pcmov_<mode>): Ditto. + (xop_pcmov_<mode>256): Ditto. + (xop_phaddbw): Ditto. + (xop_phaddbd): Ditto. + (xop_phaddbq): Ditto. + (xop_phaddwd): Ditto. + (xop_phaddwq): Ditto. + (xop_phadddq): Ditto. + (xop_phaddubw): Ditto. + (xop_phaddubd): Ditto. + (xop_phaddubq): Ditto. + (xop_phadduwd): Ditto. + (xop_phadduwq): Ditto. + (xop_phaddudq): Ditto. + (xop_phsubbw): Ditto. + (xop_phsubwd): Ditto. + (xop_phsubdq): Ditto. + (xop_pperm): Ditto. + (rotl<mode>3): Ditto. + (rotr<mode>3): Ditto. + (xop_rotl<mode>3): Ditto. + (xop_rotr<mode>3): Ditto. + (vrotr<mode>3): Ditto. + (vrotl<mode>3): Ditto. + (xop_vrotl<mode>3): Ditto. + (vlshr<mode>3): Ditto. + (vashr<mode>3): Ditto. + (vashl<mode>3 + (xop_ashl<mode>3): Ditto. + (xop_lshl<mode>3): Ditto. + (ashlv16qi3): Ditto. + (lshlv16qi3): Ditto. + (ashrv16qi3): Ditto. + (ashrv2di3): Ditto. + (xop_frcz<mode>2): Ditto. + (xop_vmfrcz<mode>2): Ditto. + (xop_frcz<mode>2256): Ditto. + (xop_maskcmp<mode>3): Ditto. + (xop_maskcmp_uns<mode>3): Ditto. + (xop_maskcmp_uns2<mode>3): Ditto. + (xop_pcom_tf<mode>3): Ditto. + + * doc/invoke.texi (-mxop): Add documentation. + * doc/extend.texi (x86 intrinsics): Add XOP intrinsics. + +2009-11-03 Mark Mitchell <mark@codesourcery.com> + + PR driver/11810 + * gcc.c (SWITCHES_NEED_SPACES): Define to "o". + * config/alpha/osf.h (SWITCHES_NEED_SPACES): Remove here. + * config/mips/iris.h (SWITCHES_NEED_SPACES): Remove here. + +2009-11-04 Richard Earnshaw <rearnsha@arm.com> + + PR target/40835 + * arm.md (peephole2 patterns for move and compare): New. + +2009-11-04 Nick Clifton <nickc@redhat.com> + + * defaults.h (CONSTANT_ADDRESS_P): Provide a default definition. + Make sure that it does not allow CONST_DOUBLEs. + * doc/tm.texi (CONSTANT_ADDRESS_P): Update description. + * config/avr/avr.h (CONSTANT_ADDRESS_P): Delete. + * config/bfin/bfin.h (CONSTANT_ADDRESS_P): Delete. + * config/cris/cris.h (CONSTANT_ADDRESS_P): Delete. + * config/fr30/fr30.h (CONSTANT_ADDRESS_P): Delete. + * config/frv/frv.h (CONSTANT_ADDRESS_P): Delete. + * config/m32c/m32c.h (CONSTANT_ADDRESS_P): Delete. + * config/m68hc11/m68hc11.h (CONSTANT_ADDRESS_P): Delete. + * config/mep/mep.h (CONSTANT_ADDRESS_P): Delete. + * config/mn10300/mn10300.h (CONSTANT_ADDRESS_P): Delete. + * config/moxie/moxie.h (CONSTANT_ADDRESS_P): Delete. + * config/pdp11/pdp11.h (CONSTANT_ADDRESS_P): Delete. + * config/picochip/picochip.h (CONSTANT_ADDRESS_P): Delete. + * config/score/score.h (CONSTANT_ADDRESS_P): Delete. + * config/stormy16/stormy16.h (CONSTANT_ADDRESS_P): Delete. + +2009-11-04 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/41919 + * tree-vrp.c (test_for_singularity): Properly compare values. + +2009-11-04 Revital Eres <eres@il.ibm.com> + + * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): + Consider peeling for alignment only for stores and remove + redundant assignment. + +2009-11-04 Maxim Kuvyrkov <maxim@codesourcery.com> + + PR target/41302 + * config/m68k/m68k.c (m68k_reg_present_p): New static function. + (m68k_ok_for_sibcall_p): Handle different result return locations. + +2009-11-04 Richard Guenther <rguenther@suse.de> + + * c-opts.c (c_common_post_options): Move LTO option processing + code ... + * opts.c (decode_options): ... here. + +2009-11-04 Jakub Jelinek <jakub@redhat.com> + + * c-common.c (fold_offsetof_1): Use %wd instead of + HOST_WIDE_INT_PRINT_DEC. + +2009-11-04 Maciej W. Rozycki <macro@linux-mips.org> + + * config/vax/linux.h (TARGET_OS_CPP_BUILTINS): Don't define + __pic__ or __PIC__. + +2009-11-04 Maciej W. Rozycki <macro@linux-mips.org> + + * config.gcc (vax-*-linux*): Keep the original contents of + tmake_file while adding vax/t-linux. + +2009-11-03 Eric Botcazou <ebotcazou@adacore.com> + + PR target/10127 + PR ada/20548 + * expr.h (STACK_CHECK_PROBE_INTERVAL): Delete. + (STACK_CHECK_PROBE_INTERVAL_EXP): New macro. + (STACK_CHECK_MOVING_SP): Likewise. + * system.h (STACK_CHECK_PROBE_INTERVAL): Poison it. + * doc/tm.texi (Stack Checking): Delete STACK_CHECK_PROBE_INTERVAL. + Document STACK_CHECK_PROBE_INTERVAL_EXP and STACK_CHECK_MOVING_SP. + * doc/md.texi (Standard Pattern Names): Tweak entry of CHECK_STACK. + Document PROBE_STACK. + * explow.c (anti_adjust_stack_and_probe): New function. + (allocate_dynamic_stack_space): Do not directly allocate space if + STACK_CHECK_MOVING_SP, instead invoke above function. + (emit_stack_probe): Handle probe_stack insn. + (PROBE_INTERVAL): New macro. + (STACK_GROW_OPTAB): Likewise. + (STACK_GROW_OFF): Likewise. + (probe_stack_range): Use Pmode and memory_address consistently. Fix + loop condition in the small constant case. Rewrite in the general + case to be immune to wraparounds. Make sure the address of probes + is valid. Try to use [base + disp] addressing mode if possible. + * ira.c (setup_eliminable_regset): Set frame_pointer_needed if stack + checking is enabled and STACK_CHECK_MOVING_SP. + * rtlanal.c (may_trap_p_1) <MEM>: If stack checking is enabled, + return 1 for volatile references to the stack pointer. + * tree.c (build_common_builtin_nodes): Do not set ECF_NOTHROW on + __builtin_alloca if stack checking is enabled. + * unwind-dw2.c (uw_identify_context): Take into account whether the + context is that of a signal frame or not. + * config/i386/linux.h (STACK_CHECK_MOVING_SP): Define to 1. + * config/i386/linux64.h (STACK_CHECK_MOVING_SP): Likewise. + +2009-11-03 Jakub Jelinek <jakub@redhat.com> + + PR rtl-optimization/41917 + * rtlanal.c (num_sign_bit_copies1) <case UMOD>: If sign bit of second + operand isn't known to be 0, return 1. + +2009-11-03 Richard Sandiford <rdsandiford@googlemail.com> + + * config/mips/mips.md: Fix typos. + +2009-11-03 Richard Sandiford <rdsandiford@googlemail.com> + + * doc/invoke.texi: Fix typo. + +2009-11-03 Paul Brook <paul@codesourcery.com> + + * config/arm/neon.ml (vectype): Add T_floatSF. + (string_of_vectype): Ditto. + * config/arm/neon-gen.ml (signed_ctype): Add T_floatSF. + (deftypes): Use float for float32_t. + * config/arm/arm_neon.h: Regenerate. + +2009-11-03 Nick Clifton <nickc@redhat.com> + Kevin Buettner <kevinb@redhat.com> + + * config/rx/predicates.md (rx_store_multiple_vector): Reverse + order of expected registers. + (rx_load_multiple_vector): Likewise. + (rx_rtsd_vector): Likewise. + * config/rx/rx.c (rx_cpu_type): New variable. + (rx_print_operand): Fix bug printing 64-bit constant values. + (rx_emit_stack_pushm): Reverse order of pushed registers. + (gen_rx_store_vector): Likewise. + (is_fast_interrupt_func): Only accept "fast_interrupt" as the + attribute name. + (is_exception_func): Rename to is_interrupt_func and only accept + "interrupt" as the attribute name. + (rx_get_stack_layout): Use new function name. + (rx_func_attr_inlinable): Likewise. + (rx_attribute_table): Remove "exception". + (rx_expand_prologue): If necessary push the accumulator register + in the prologue of interrupt functions. + (rx_expand_epilogue): If necessary pop the accumulator. + (rx_builtins): Add RX_BUILTIN_MVTIPL. + (rx_expand_builtin_stz): Remove. + (rx_expand_builtin_mvtipl): New function. + (rx_init_builtins): Handle RX_BUILTIN_MVTIPL. + (rx_expand_builtin): Likewise. + (rx_enable_fpu): New variable. + (rx_handle_option): Handle -fpu, -nofpu, -mcpu and -patch. + * config/rx/rx.h (TARGET_CPU_CPP_BUILTINS): Assert machine based + on rx_cpu_type. Define __RX_FPU_INSNS__ if FPU insns are allowed. + (enum rx_cpu_types): Define. + (ASM_SPEC): Pass -m32bit-doubles on to assembler. + (INCOMING_FRAME_SP_OFFSET): Define. + (ARG_POINTER_CFA_OFFSET): Define. + (FRAME_POINTER_CFA_OFFSET): Define. + (OVERRIDE_OPTIONS): Enable fast math if RX FPU insns are enabled. + (ALLOW_RX_FPU_INSNS): Define. + * config/rx/rx.md: Test ALLOW_RX_FPU_INSNS instead of + fast_math_flags_set_p. + (UNSPEC_BUILTIN_MVTIPL): Define. + (revl): Rename to bswapsi2. + (bswaphi2): New pattern. + (mvtachi): Mark as volatile because it uses a register unknown to GCC. + (mvtaclo): Likewise. + (racw): Likewise. + (mvtc): Remove clobber of cc0. + (mvtcp): Delete. + (opecp): Delete. + * config/rx/rx.opt (mieee): Remove. + (fpu): Add. + (nofpu): Add. + (mcpu=): Add. + (patch=): Add. + (msave-acc-in-interrupts): Add. + * config/rx/t-rx (MULTILIB_OPTIONS): Change default to 64bit doubles. + (MULTILIB_DIRS): Likewise. + (MULTILIB_MATCHES): Treat -fpu as an alias for -m32bit-doubles. + * doc/extend.texi: Remove description of "exception" function + attribute. + * doc/invoke.texi: Document -fpu, -nofpu, -mcpu=, -patch= and + -msave-acc-in-interrupts options. + +2009-11-03 Richard Guenther <rguenther@suse.de> + + * c-common.c (fold_offsetof_1): Use HOST_WIDE_INT_PRINT_DEC. + +2009-11-03 Dodji Seketeli <dodji@redhat.com> + + PR c++/38699 + * c-common.c (fold_offsetof_1): Issue errors when the member + designator of the offsetof expression is not legitimate. + +2009-11-03 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/i386.md (*call_value_1_rex64_ms_sysv): Use register + names instead of numerical constants. + (sse_prologue_save): Ditto. + (*sse_prologue_save_insn): Ditto. + +2009-11-03 Uros Bizjak <ubizjak@gmail.com> + + PR target/41900 + * config/i386/i386.h (ix86_arch_indices) <X86_ARCH_CALL_ESP>: New. + (TARGET_CALL_ESP): New define. + * config/i386/i386.c (initial_ix86_tune_features): Initialize + X86_ARCH_CALL_ESP. + * config/i386/i386.md (*call_pop_1_esp, *call_1_esp, + *call_value_pop_1_esp, *call_value_1_esp): Rename from *call_pop_1, + *call_1, *call_value_pop_1 and *call_value_1. Depend on + TARGET_CALL_ESP. + (*call_pop_1, *call_1, *call_value_pop_1, *call_value_1): + New patterns, use "lsm" as operand 1 constraint. + * config/i386/predicates.md (call_insn_operand): Depend on + index_register_operand for !TARGET_CALL_ESP to avoid %esp register. + +2009-11-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com> + + PR tree-optimization/41857 + * tree-flow.h (rewrite_use_address): Add BASE_HINT argument. + * tree-ssa-loop-ivopts.c (rewrite_use_address): Pass base hint + to create_mem_ref. + * tree-ssa-address.c (move_hint_to_base): New function. + (most_expensive_mult_to_index): Add TYPE argument. Use mode and + address space associated with TYPE. + (addr_to_parts): Add TYPE and BASE_HINT arguments. Pass TYPE to + most_expensive_mult_to_index. Call move_hint_to_base. + (create_mem_ref): Add BASE_HINT argument. Pass BASE_HINT and + TYPE to addr_to_parts. + +2009-11-02 Martin Jambor <mjambor@suse.cz> + + PR tree-optimization/41750 + * tree-sra.c (analyze_modified_params): Loop over all + representatives of components of a parameter. + +2009-11-02 Jakub Jelinek <jakub@redhat.com> + + PR tree-optimization/41841 + * ipa-struct-reorg.c (build_data_structure): Don't attempt to look at + local variables of not yet materialized clones. + + PR debug/41893 + * cfgexpand.c (expand_debug_expr): Don't attempt to create DECL_RTL + for a VOIDmode variable. + + PR c++/41774 + * c-pragma.c (visstack): Change into vector of ints rather than + enum symbol_visibility. + (push_visibility): Add kind argument, push default_visibility together + with kind. + (pop_visibility): Add kind argument, return true if successful, fail + if visibility stack is empty or if stack top is of different kind. + (handle_pragma_visibility): Don't check length of visstack, instead + call pop_visibility and issue diagnostics if it failed. Pass 0 + as last argument to push_visibility and pop_visibility. + * c-pragma.h (push_visibility): Add kind argument. + (pop_visibility): Likewise. Return bool instead of void. + +2009-11-01 Eric Botcazou <ebotcazou@adacore.com> + + * tree.def (TARGET_MEM_REF): Update comment. + * alias.c (get_alias_set): Retrieve the original memory reference for + a TARGET_MEM_REF before proceeding. + +2009-10-31 Anatoly Sokolov <aesok@post.ru> + + * config/frv/frv.c (frv_function_value, frv_libcall_value, + frv_function_value_regno_p): New functions. + (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE): Declare. + * config/frv/frv.h (FUNCTION_VALUE, LIBCALL_VALUE): Remove. + (FUNCTION_VALUE_REGNO_P): Redefine, use frv_function_value_regno_p. + * config/frv/frv-protos.h (frv_function_value_regno_p): Declare. + +2009-10-31 Anatoly Sokolov <aesok@post.ru> + + * config/mn10300/mn10300.c (mn10300_function_value): Make static, add + new 'outgoing' argument. + (mn10300_libcall_value, mn10300_function_value_regno_p): New functions. + (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE): Declare. + * config/mn10300/mn10300.h (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE, + LIBCALL_VALUE): Remove. + (FUNCTION_VALUE_REGNO_P): Redefine, use mn10300_function_value_regno_p. + * config/mn10300/mn10300-protos.h (mn10300_function_value): Remove. + (mh10300_function_value_regno_p): Declare. + +2009-10-31 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com> + + * config/arm/cortex-a9.md: New - integer pipeline description. + +2009-10-31 Eric Botcazou <ebotcazou@adacore.com> + + * tree-ssa-sccvn.c (vn_reference_lookup_3): Bail out instead of + aborting if the sizes of the two references don't match. + +2009-10-31 Toon Moene <toon@moene.org> + + * ipa-inline.c (cgraph_decide_inlining): + Include reason for not inlining called-once functions in dump file. + +2009-10-30 Daniel Gutson <dgutson@codesourcery.com> + + * config/arm/linux-eabi.h (LINK_SPEC): BE8_LINK_SPEC added. + * config/arm/bpapi.h (BE8_LINK_SPEC): New define. + (LINK_SPEC): BE_LINK_SPEC added. + +2009-10-30 Richard Guenther <rguenther@suse.de> + + PR lto/41858 + * lto-streamer.h (struct lto_file_decl_data): Remove fd member. + +2009-10-30 Nathan Sidwell <nathan@codesourcery.com> + + * target-def.h (TARGET_ASM_TTYPE): Correct typo of TARGET_ARM_TTYPE. + * config/arm/unwind-arm.c (__gnu_Unwind_Backtrace): Remove unused + label. + +2009-10-30 Martin Jambor <mjambor@suse.cz> + + * tree-sra.c (build_ref_for_offset_1): Remove a comment. + +2009-10-30 H.J. Lu <hongjiu.lu@intel.com> + + PR target/40838 + * cfgexpand.c (expand_stack_alignment): Call update_stack_boundary + first. Move assert on stack_alignment_estimated just before + setting stack_realign_needed. + (gimple_expand_cfg): Initialize stack_alignment_estimated to 0. + Don't call update_stack_boundary. + + * config/i386/i386.c (ix86_minimum_incoming_stack_boundary): New. + (verride_options): Don't check ix86_force_align_arg_pointer here. + (ix86_function_ok_for_sibcall): Use it. + (ix86_update_stack_boundary): Likewise. + + * config/i386/i386.h (STACK_REALIGN_DEFAULT): Update comments. + +2009-10-30 Richard Earnshaw <rearnsha@arm.com> + + * arm.md (QHSI): New mode iterator. + (movqi): If generating for thumb, then truncate any immediate to + 8 bits. + * thumb2.md (thumb2_movsi_shortim and peephole2 generator): Replace + with... + (thumb2_mov<mode>_shortim and peephole2 generator): ... iterator based + version. + +2009-10-29 Cary Coutant <ccoutant@google.com> + + PR debug/41700 + * dwarf2out.c (dwarf2_debug_hooks): Add entries for new hook (two + locations in the source). + (store_vcall_insn): New function. + (lookup_vcall_insn): New function. + (dwarf2out_virtual_call_token): Use store_vcall_insn. + (dwarf2out_copy_call_info): New function. + (dwarf2out_virtual_call): Use lookup_vcall_insn. + * emit-rtl.c (try_split): Call copy_call_info debug hook. + * debug.h (struct gcc_debug_hooks): Add copy_call_info hook. + * debug.c (do_nothing_debug_hooks): Add dummy entry for new hook. + (debug_nothing_rtx_rtx): New dummy hook. + * dbxout.c (dbx_debug_hooks): Add dummy entry for new hook. + (xcoff_debug_hooks): Likewise. + * sdbout.c (sdb_debug_hooks): Likewise. + * vmsdbgout.c (vmsdbg_debug_hooks): Likewise. + +2009-10-29 David Daney <ddaney@caviumnetworks.com> + + * doc/invoke.texi (mmcount-ra-address): Document new command line + option. + * config/mips/mips.opt (mmcount-ra-address): New option. + * config/mips/mips-protos.h (mips_function_profiler): Declare new + function. + * config/mips/mips.c (struct mips_frame_info): Add ra_fp_offset + member. + (mips_for_each_saved_gpr_and_fpr): Set ra_fp_offset. + (mips_function_profiler): Moved from FUNCTION_PROFILER, and + rewritten. + * config/mips/mips.h (FUNCTION_PROFILER): Body of macro moved to + mips_function_profiler. + +2009-10-29 Steve Ellcey <sje@cup.hp.com> + + PR middle-end/37565 + PR target/38018 + * doc/tm.texi (OVERRIDE_OPTIONS): Update. + (TARGET_OVERRIDE_OPTIONS_AFTER_CHANGE): New. + * optc-gen.awk (cl_target_option_restore): Include call to + targetm.override_options_after_change. + * target-def.h (TARGET_OVERRIDE_OPTIONS_AFTER_CHANGE): New. + * target.h (override_options_after_change): New. + * c-common.c (parse_optimize_options): Call + targetm.override_options_after_change. + * config/ia64/ia64.c (TARGET_OVERRIDE_OPTIONS_AFTER_CHANGE): New. + (ia64_override_options_after_change): New. + (ia64_override_options) Add call to above. + +2009-10-29 Michael Matz <matz@suse.de> + + * tree-ssa-math-opts.c (execute_convert_to_rsqrt): Remove. + (gate_convert_to_rsqrt): Ditto. + (pass_convert_to_rsqrt): Ditto. + * tree-pass.h (pass_convert_to_rsqrt): Don't declare. + * passes.c (init_optimization_passes): Don't add pass_convert_to_rsqrt + to pass list. + + * config/i386/i386.c (ix86_emit_swdivsf): Change evaluation order. + +2009-10-29 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com> + + * config/arm/arm.c (find_best_start): Fix type of remainder to be + unsigned. + +2009-10-29 Martin Jambor <mjambor@suse.cz> + + PR tree-optimization/41775 + * tree-sra.c (build_ref_for_offset): Unshare *expr if not NULL. + (generate_subtree_copies): Do not unshare agg. + (load_assign_lhs_subreplacements): Do not unshare rhs. + (sra_modify_assign): Do not unshare exprs. + (propagate_subacesses_accross_link): Renamed to + propagate_subaccesses_across_link. + +2009-10-29 Richard Earnshaw <rearnsha@arm.com> + + * arm.c (count_insns_for_constant): Rework to support counting for + thumb2 immediates as well. + (find_best_start): Split out from arm_gen_constant. + (arm_gen_constant): Rework to support XOR with immediate. + +2009-10-29 Chao-ying Fu <fu@mips.com> + + * config/mips/mips.c (mips_emit_unary, mips_force_unary): New + functions. + (mips_expand_synci_loop): Use the length rtx to control the + synci loop from the begin rtx that points to the first byte of + the cache line. + +2009-10-28 Rafael Avila de Espindola <espindola@google.com> + + * doc/invoke.texi: Rename -use-linker-plugin -fuse-linker-plugin. + +2009-10-28 Rafael Avila de Espindola <espindola@google.com> + + * dbxout.c (dbxout_common_check): Accept non public trees. + * dwarf2out.c (fortran_common): Accept non public trees. + +2009-10-28 Rafael Avila de Espindola <espindola@google.com> + + * common.opt (fuse-linker-plugin): New option. + * gcc.c (LINK_COMMAND_SPEC, main): Rename use-linker-plugin to + fuse-linker-plugin. + * opts.c (common_handle_option): Ignore OPT_fuse_linker_plugin. + +2009-10-28 Paolo Bonzini <bonzini@gnu.org> + + PR rtl-optimization/39715 + * config/arm/arm.md (cstoresi4): Use gen_cstoresi_ltu_thumb1. + (gen_cstoresi_ltu_thumb1): New splitter. + +2009-10-28 Richard Guenther <rguenther@suse.de> + + PR lto/41808 + PR lto/41839 + * tree-ssa.c (useless_type_conversion_p): Do not treat + conversions to pointers to incomplete types as useless. + * gimple.c (gimple_types_compatible_p): Compare struct tags, + not typedef names. + +2009-10-28 Jakub Jelinek <jakub@redhat.com> + + * var-tracking.c (emit_note_insn_var_location): Don't call the second + vt_expand_loc unnecessarily when location is not a register nor + memory. + + PR middle-end/41837 + * ipa-struct-reorg.c (find_field_in_struct_1): Return NULL if + fields don't have DECL_NAME. + + PR debug/41801 + * builtins.c (get_builtin_sync_mem): Expand loc in ptr_mode, + call convert_memory_address on addr. + + PR target/41762 + * config/i386/i386.c (ix86_pic_register_p): Don't call + rtx_equal_for_cselib_p for VALUEs discarded as useless. + +2009-10-28 Richard Sandiford <rdsandiford@googlemail.com> + + * var-tracking.c (emit_note_insn_var_location): Get the mode of + a variable part from its REG, MEM or VALUE. + +2009-10-28 Richard Guenther <rguenther@suse.de> + + * gimple.c (gimple_get_alias_set): Fix comment typo. + +2009-10-28 Richard Guenther <rguenther@suse.de> + + * tree.c (free_lang_data_in_type): Do not call get_alias_set. + (free_lang_data): Unconditionally compute alias sets for all + standard integer types. Bail out if gate bailed out previously. + Do not reset the types_compatible_p langhook. + (gate_free_lang_data): Remove. + (struct pass_ipa_free_lang_data): Enable unconditionally. + * gimple.c (gimple_get_alias_set): Use the same alias-set for + all pointer types. + +2009-10-28 Richard Guenther <rguenther@suse.de> + + PR middle-end/41855 + * tree-ssa-alias.c (refs_may_alias_p_1): Deal with CONST_DECLs + (ref_maybe_used_by_call_p_1): Fix bcopy handling. + (call_may_clobber_ref_p_1): Likewise. + * tree-ssa-structalias.c (find_func_aliases): Likewise. + * alias.c (nonoverlapping_memrefs_p): Deal with CONST_DECLs. + +2009-10-28 Paolo Bonzini <bonzini@gnu.org> + + PR rtl-optimization/41812 + + Revert: + 2009-06-27 Paolo Bonzini <bonzini@gnu.org> + + * df-problems.c (df_md_scratch): New. + (df_md_alloc, df_md_free): Allocate/free it. + (df_md_local_compute): Only include live registers in init. + (df_md_transfer_function): Prune the in-set computed by + the confluence function, and the gen-set too. + +2009-10-28 Paolo Bonzini <bonzini@gnu.org> + + PR rtl-optimization/39715 + * combine.c (simplify_comparison): Use extensions to + widen comparisons. Try an ANDing first. + +2009-10-28 Paolo Bonzini <bonzini@gnu.org> + + PR rtl-optimization/40741 + * config/arm/arm.c (thumb1_rtx_costs): IOR or XOR with + a small constant is cheap. + * config/arm/arm.md (andsi3, iorsi3): Try to place the result of + force_reg on the LHS. + (xorsi3): Likewise, and split the XOR if the constant is complex + and not in Thumb mode. + +2009-10-28 Paolo Bonzini <bonzini@gnu.org> + + * expmed.c (emit_store_flag): Check costs before + transforming to the opposite representation. + +2009-10-28 Paolo Bonzini <bonzini@gnu.org> + + * config/sh/sh.md (cbranchfp4_media): Remove hack extending + cstore result to DImode. + +2009-10-28 Kaz Kojima <kkojima@gcc.gnu.org> + + * config/sh/sh.md (stuff_delay_slot): Move const_int pattern + inside the unspec vector. + +2009-10-27 Richard Henderson <rth@redhat.com> + + * cgraphunit.c (cgraph_optimize): Maintain timevar stack properly. + +2009-10-27 Richard Henderson <rth@redhat.com> + + PR c++/41819 + * tree-eh.c (eh_region_may_contain_throw_map): Rename from + eh_region_may_contain_throw; update users. + (eh_region_may_contain_throw): New function. + (lower_catch): Check flag_exceptions before creating exception region. + (lower_eh_filter, lower_eh_must_not_throw): Likewise. + (lower_cleanup): Tidy existing flag_exceptions check to match. + +2009-10-27 Kai Tietz <kai.tietz@onevision.com> + + PR/41799 + * config/i386/mingw32.h (CHECK_EXECUTE_STACK_ENABLED): New macro. + * config/i386/mingw.opt: Add fset-stack-executable. + * config/i386/i386.c (ix86_trampoline_init): Make call to + emit_library_call conditional, if CHECK_EXECUTE_STACK_ENABLED is + defined and its value is not zero. + * doc/invoke.texi + +2009-10-27 Richard Guenther <rguenther@suse.de> + + * tree-ssa-structalias.c (find_func_aliases): In IPA mode + handle calls to externally visible functions like in regular mode. + (create_variable_info_for): Do not create function infos here. + (have_alias_info): Remove write-only variable. + (solve_constraints): New function split out from common code + in compute_points_to_sets and ipa_pta_execute. + (compute_points_to_sets): Adjust. + (ipa_pta_execute): Likewise. Handle clones and externally visible + functions like in non-IPA mode. + +2009-10-27 Jakub Jelinek <jakub@redhat.com> + + PR c/41842 + * c-typeck.c (convert_arguments): Return -1 if any of the arguments is + error_mark_node. + +2009-10-27 Richard Guenther <rguenther@suse.de> + + * tree-complex.c (expand_complex_div_wide): Check for + INTEGER_CST, not TREE_CONSTANT on comparison folding result. + +2009-10-27 Revital Eres <eres@il.ibm.com> + + PR tree-optimization/40648 + * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): + Change decision of when to peel for alignment. + +2009-10-27 Richard Guenther <rguenther@suse.de> + + PR lto/41821 + * gimple.c (gimple_types_compatible_p): Handle OFFSET_TYPE. + +2009-10-27 Aldy Hernandez <aldyh@redhat.com> + + PR bootstrap/41451 + * fold-const.c (fold_binary_loc): Do not call + protected_set_expr_location. + +2009-10-27 Wei Guozhi <carrot@google.com> + + PR target/41705 + * target.h (have_conditional_execution): Add a new target hook + function. + * target-def.h (TARGET_HAVE_CONDITIONAL_EXECUTION): Likewise. + * targhooks.h (default_have_conditional_execution): Likewise. + * targhooks.c (default_have_conditional_execution): Likewise. + * doc/tm.texi (TARGET_HAVE_CONDITIONAL_EXECUTION): Document it. + * config/arm/arm.c (TARGET_HAVE_CONDITIONAL_EXECUTION): Define it. + (arm_have_conditional_execution): New function. + * ifcvt.c (noce_process_if_block, find_if_header, + cond_exec_find_if_block, dead_or_predicable): Change the usage of + macro HAVE_conditional_execution to a target hook call. + * recog.c (peephole2_optimize): Likewise. + * sched-rgn.c (add_branch_dependences): Likewise. + * final.c (asm_insn_count, final_scan_insn): Likewise. + * bb-reorder.c (HAVE_conditional_execution): Remove it. + +2009-10-26 Ben Elliston <bje@au.ibm.com> + Michael Meissner <meissner@linux.vnet.ibm.com> + Ulrich Weigand <uweigand@de.ibm.com> + + * config.gcc (spu-*-elf*): Add spu_cache.h to extra_headers. + * config/spu/spu_cache.h: New file. + + * config/spu/cachemgr.c: New file. + * config/spu/cache.S: New file. + + * config/spu/spu.h (ASM_OUTPUT_SYMBOL_REF): Define. + (ADDR_SPACE_EA): Define. + (TARGET_ADDR_SPACE_KEYWORDS): Define. + * config/spu/spu.c (EAmode): New macro. + (TARGET_ADDR_SPACE_POINTER_MODE): Define. + (TARGET_ADDR_SPACE_ADDRESS_MODE): Likewise. + (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Likewise. + (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Likewise. + (TARGET_ADDR_SPACE_SUBSET_P): Likewise. + (TARGET_ADDR_SPACE_CONVERT): Likewise. + (TARGET_ASM_SELECT_SECTION): Likewise. + (TARGET_ASM_UNIQUE_SECTION): Likewise. + (TARGET_ASM_UNALIGNED_SI_OP): Likewise. + (TARGET_ASM_ALIGNED_DI_OP): Likewise. + (ea_symbol_ref): New function. + (spu_legitimate_constant_p): Handle __ea qualified addresses. + (spu_addr_space_legitimate_address_p): New function. + (spu_addr_space_legitimize_address): Likewise. + (cache_fetch): New global. + (cache_fetch_dirty): Likewise. + (ea_alias_set): Likewise. + (ea_load_store): New function. + (ea_load_store_inline): Likewise. + (expand_ea_mem): Likewise. + (spu_expand_mov): Handle __ea qualified memory references. + (spu_addr_space_pointer_mode): New function. + (spu_addr_space_address_mode): Likewise. + (spu_addr_space_subset_p): Likewise. + (spu_addr_space_convert): Likewise. + (spu_section_type_flags): Handle "._ea" section. + (spu_select_section): New function. + (spu_unique_section): Likewise. + * config/spu/spu-c.c (spu_cpu_cpp_builtins): Support __EA32__ + and __EA64__ predefined macros. + * config/spu/spu-elf.h (LIB_SPEC): Handle -mcache-size= and + -matomic-updates switches. + + * config/spu/t-spu-elf (MULTILIB_OPTIONS): Define. + (EXTRA_MULTILIB_PARTS): Add libgcc_cachemgr.a, + libgcc_cachemgr_nonatomic.a, libgcc_cache8k.a, libgcc_cache16k.a, + libgcc_cache32k.a, libgcc_cache64k.a, libgcc_cache128k.a. + ($(T)cachemgr.o, $(T)cachemgr_nonatomic.o): New target. + ($(T)cache8k.o, $(T)cache16k.o, $(T)cache32k.o, $(T)cache64k.o, + $(T)cache128k.o): Likewise. + ($(T)libgcc_%.a): Likewise. + + * config/spu/spu.h (TARGET_DEFAULT): Add MASK_ADDRESS_SPACE_CONVERSION. + * config/spu/spu.opt (-mea32/-mea64): Add switches. + (-maddress-space-conversion): Likewise. + (-mcache-size=): Likewise. + (-matomic-updates): Likewise. + * doc/invoke.texi (-mea32/-mea64): Document. + (-maddress-space-conversion): Likewise. + (-mcache-size=): Likewise. + (-matomic-updates): Likewise. + +2009-10-26 Ben Elliston <bje@au.ibm.com> + Michael Meissner <meissner@linux.vnet.ibm.com> + Ulrich Weigand <uweigand@de.ibm.com> + + * doc/tm.texi (TARGET_ADDR_SPACE_KEYWORDS): Document. + + * c-common.c (c_common_reswords): If TARGET_ADDR_SPACE_KEYWORDS is + defined, add the named address space keywords. + (c_addr_space_name): New function. + (complete_array_type): Preserve named address space. + (handle_mode_attribute): Use targetm.addr_space.valid_pointer_mode + instead of targetm.valid_pointer_mode. + + * c-common.h (enum rid): Add RID_ADDR_SPACE_0 .. RID_ADDR_SPACE_15, + RID_FIRST_ADDR_SPACE and RID_LAST_ADDR_SPACE. + (ADDR_SPACE_KEYWORD): New macro. + (c_addr_space_name): Add prototype. + + * c-tree.h (struct c_declspecs): Add address_space member. + (declspecs_add_addrspace): Add prototype. + + * c-pretty-print.c (pp_c_type_qualifier_list): Handle address spaces. + + * c-parser.c (c_parse_init): Add assertion. + (typedef enum c_id_kind): Add C_ID_ADDRSPACE. + (c_lex_one_token): Handle address space keywords. + (c_token_starts_typename): Likewise. + (c_token_starts_declspecs): Likewise. + (c_parser_declspecs): Likewise. + (c_parser_postfix_expression_after_paren_type): Diagnose compound + literal within function qualified with named address space. + + * c-decl.c (diagnose_mismatched_decls): Diagnose conflicting named + address space qualifiers. + (shadow_tag_warned): Warn about useless address space qualifiers. + (quals_from_declspecs): Handle address space qualifiers. + (grokdeclarator): Likewise. + (build_null_declspecs): Likewise. + (declspecs_add_addrspace): New function. + + * c-typeck.c (addr_space_superset): New function. + (qualify_type): Handle named address spaces. + (composite_type): Likewise. + (common_pointer_type): Likewise. + (comp_target_types): Likewise. + (build_conditional_expr): Likewise. + (handle_warn_cast_qual): Likewise. + (build_c_cast): Likewise. + (convert_for_assignment): Likewise. + (build_binary_op): Likewise. + (pointer_diff): Handle named address spaces. Use intermediate + integer type of sufficient size if required. + +2009-10-26 Ben Elliston <bje@au.ibm.com> + Michael Meissner <meissner@linux.vnet.ibm.com> + Ulrich Weigand <uweigand@de.ibm.com> + + * doc/tm.texi (TARGET_ADDR_SPACE_POINTER_MODE): Document. + (TARGET_ADDR_SPACE_ADDRESS_MODE): Likewise. + (TARGET_ADDR_SPACE_VALID_POINTER_MODE): Likewise. + + * target.h (struct target_def): Add pointer_mode, address_mode, + and valid_pointer_mode to addr_space substructure. + * target-def.h (TARGET_ADDR_SPACE_POINTER_MODE): Define. + (TARGET_ADDR_SPACE_ADDRESS_MODE): Likewise. + (TARGET_ADDR_SPACE_VALID_POINTER_MODE): Likewise. + (TARGET_ADDR_SPACE_HOOKS): Add them. + * targhooks.c (target_default_pointer_address_modes_p): New function. + * target.h (target_default_pointer_address_modes_p): Add prototype. + * targhooks.c (default_addr_space_pointer_mode): New function. + (default_addr_space_address_mode): Likewise. + (default_addr_space_valid_pointer_mode): Likewise. + * targhooks.h (default_addr_space_pointer_mode): Add prototype. + (default_addr_space_address_mode): Likewise. + (default_addr_space_valid_pointer_mode): Likewise. + * output.h (default_valid_pointer_mode): Move to ... + * targhooks.h (default_valid_pointer_mode): ... here. + * varasm.c (default_valid_pointer_mode): Move to ... + * targhooks.c (default_valid_pointer_mode): ... here. + + * varasm.c (output_constant): Use targetm.addr_space.valid_pointer_mode + instead of targetm.valid_pointer_mode. + + * fold-const.c (fit_double_type): Use int_or_pointer_precision. + * tree.c (integer_pow2p): Likewise. + (tree_log2): Likewise. + (tree_floor_log2): Likewise. + (signed_or_unsigned_type_for): Support pointer type of different size. + (int_or_pointer_precision): New function. + * tree.h (int_or_pointer_precision): Add prototype. + * stor-layout.c (layout_type): Set TYPE_PRECISION for offset types. + * varasm.c (initializer_constant_valid_p): Use TYPE_PRECISION of + incoming pointer type instead of POINTER_SIZE. + + * tree.c (build_pointer_type): Use appropriate pointer mode + instead of ptr_mode. + (build_reference_type): Likewise. + * expr.c (store_expr): Likewise. + (expand_expr_addr_expr): Likewise. + * tree-vect-data-refs.c (vect_create_data_ref_ptr): Likewise. + * cfgexpand.c (expand_debug_expr): Likewise. + + * auto-inc-dec.c: Include "target.h". + (try_merge): Use appropriate address mode instead of Pmode. + (find_inc): Likewise. + * combine.c (find_split_point): Likewise. + * cselib.c (cselib_record_sets): Likewise. + * dse.c (replace_inc_dec): Likewise. + (canon_address): Likewise. + * var-tracking.c (replace_expr_with_values): Likewise. + (count_uses): Likewise. + (add_uses): Likewise. + (add_stores): Likewise. + * emit-rtl.c: Include "target.h". + (adjust_address_1): Use appropriate address mode instead of Pmode. + (offset_address): Likewise. + * explow.c (break_out_memory_refs): Likewise. + (memory_address_addr_space): Likewise. + (promote_mode): Likewise. + * expr.c (move_by_pieces): Likewise. + (emit_block_move_via_loop): Likewise. + (store_by_pieces): Likewise. + (store_by_pieces_1): Likewise. + (expand_assignment): Likewise. + (store_constructor): Likewise. + (expand_expr_addr_expr): Likewise. + (expand_expr_real_1): Likewise. + * cfgexpand.c (expand_debug_expr): Likewise. + * ifcvt.c (noce_try_cmove_arith): Likewise. + * regcprop.c (kill_autoinc_value): Likewise. + * regmove.c (try_auto_increment): Likewise. + * reload.c (find_reloads): Likewise. + (find_reloads_address): Likewise. + (find_reloads_address_1): Likewise. + * sched-deps.c: Include "target.h". + (sched_analyze_1): Use appropriate address mode instead of Pmode. + (sched_analyze_2): Likewise. + * sel-sched-dump.c: Include "target.h". + (debug_mem_addr_value): Use appropriate address mode instead of Pmode. + * stor-layout.c (layout_type): Likewise. + * tree-ssa-loop-ivopts.c (produce_memory_decl_rtl): Likewise. + (multiplier_allowed_in_address_p): Likewise. + (get_address_cost): Likewise. + * varasm.c (make_decl_rtl): Likewise. + + * expr.c (expand_assignment): Always convert offsets to appropriate + address mode. + (store_expr): Likewise. + (store_constructor): Likewise. + (expand_expr_real_1): Likewise. + + * reload.h (form_sum): Add MODE argument. + * reload.c (form_sum): Add MODE argument, use it instead of Pmode. + Update recursive calls. + (subst_indexed_address): Update calls to form_sum. + + * tree-flow.h (addr_for_mem_ref): Add ADDRSPACE argument. + * tree-ssa-address.c: Include "target.h". + (templates): Replace by ... + (mem_addr_template_list): ... this new vector. + (TEMPL_IDX): Handle address space numbers. + (gen_addr_rtx): Add address mode argument, use it instead of Pmode. + (addr_for_mem_ref): Add ADDRSPACE argument. Use per-address-space + instead of global cache. Update call to gen_addr_rtx. + (valid_mem_ref_p): Update call to addr_for_mem_ref. + * expr.c (expand_expr_real_1): Update call to addr_for_mem_ref. + + * rtl.h (convert_memory_address_addr_space): Add prototype. + (convert_memory_address): Define as macro. + * explow.c (convert_memory_address): Rename to ... + (convert_memory_address_addr_space): ... this. Add ADDRSPACE argument. + Use appropriate pointer and address modes instead of ptr_mode / Pmode. + Update recursive calls. + (memory_address_addr_space): Call convert_memory_address_addr_space. + * expmed.c (make_tree): Likewise. + * expr.c (expand_assignment): Likewise. + (expand_expr_addr_expr_1): Likewise. Also, add ADDRSPACE argument. + (expand_expr_addr_expr): Likewise. Also, update call. + + * alias.c (find_base_value): Guard pointer size optimizations. + (find_base_term): Likewise. + * rtlanal.c (nonzero_bits1): Likewise. + (num_sign_bit_copies1): Likewise. + * simplify-rtx.c (simplify_unary_operation_1): Likewise. + + * Makefile.in (tree-ssa-address.o): Add $(TARGET_H) dependency. + (emit-rtl.o): Likewise. + (auto-inc-dec.o): Likewise. + (sched-deps.o): Likewise. + +2009-10-26 Ben Elliston <bje@au.ibm.com> + Michael Meissner <meissner@linux.vnet.ibm.com> + Ulrich Weigand <uweigand@de.ibm.com> + + * doc/extend.texi (Named Address Spaces): New section. + * coretypes.h (addr_space_t): New type. + (ADDR_SPACE_GENERIC): New define. + (ADDR_SPACE_GENERIC_P): New macro. + + * doc/tm.texi (Named Address Spaces): New section. + (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Document. + (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Document. + (TARGET_ADDR_SPACE_SUBSET_P): Document. + (TARGET_ADDR_SPACE_CONVERT): Document. + * target.h (struct gcc_target): Add addr_space substructure. + * target-def.h (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Define. + (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Likewise. + (TARGET_ADDR_SPACE_SUBSET_P): Likewise. + (TARGET_ADDR_SPACE_CONVERT): Likewise. + (TARGET_ADDR_SPACE_HOOKS): Likewise. + (TARGET_INITIALIZER): Initialize addr_space hooks. + * targhooks.c (default_addr_space_legitimate_address_p): New function. + (default_addr_space_legitimize_address): Likewise. + (default_addr_space_subset_p): Likewise. + (default_addr_space_convert): Likewise. + * targhooks.h (default_addr_space_legitimate_address_p): Add prototype. + (default_addr_space_legitimize_address): Likewise. + (default_addr_space_subset_p): Likewise. + (default_addr_space_convert): Likewise. + + * doc/rtl.texi (MEM_ADDR_SPACE): Document. + * rtl.h (mem_attrs): Add ADDRSPACE memory attribute. + (MEM_ADDR_SPACE): New macro. + * emit-rtl.c (get_mem_attrs): Add ADDRSPACE argument and set + address space memory attribute. + (mem_attrs_htab_hash): Handle address space memory attribute. + (mem_attrs_htab_eq): Likewise. + (set_mem_attributes_minus_bitpos): Likewise. + (set_mem_alias_set): Likewise. + (set_mem_align): Likewise. + (set_mem_expr): Likewise. + (set_mem_offset): Likewise. + (set_mem_size): Likewise. + (adjust_address_1): Likewise. + (offset_address): Likewise. + (widen_memoy_address): Likewise. + (get_spill_slot_decl): Likewise. + (set_mem_attrs_for_spill): Likewise. + (set_mem_addr_space): New function. + * emit-rtl.h (set_mem_addr_space): Add prototype. + * print-rtl.c (print_rtx): Print address space memory attribute. + * expr.c (expand_assignment): Set address space memory attribute + of generated MEM RTXes as appropriate. + (expand_expr_real_1): Likewise. + * cfgexpand.c (expand_debug_expr): Likewise. + * tree-ssa-loop-ivopts.c (produce_memory_decl_rtl): Likewise. + + * tree.h (struct tree_base): Add address_space bitfield. Reduce + size of "spare" bitfield. + (TYPE_ADDR_SPACE): New macro. + (ENCODE_QUAL_ADDR_SPACE): Likewise. + (DECODE_QUAL_ADDR_SPACE): Likewise. + (CLEAR_QUAL_ADDR_SPACE): Likewise. + (KEEP_QUAL_ADDR_SPACE): Likewise. + (TYPE_QUALS): Encode type address space. + (TYPE_QUALS_NO_ADDR_SPACE): New macro. + * tree.c (set_type_quals): Set type address space. + (build_array_type): Inherit array address space from element type. + * print-tree.c (print_node_brief): Print type address space. + (print_node): Likewise. + * tree-pretty-print.c (dump_generic_node): Likewise. + + * explow.c (memory_address): Rename to ... + (memory_address_addr_space): ... this. Add ADDRSPACE argument. + Use address-space aware variants of memory address routines. + * recog.c (memory_address_p): Rename to ... + (memory_address_addr_space_p): ... this. Add ADDSPACE argument. + Use address-space aware variants of memory address routines. + (offsettable_address_p): Rename to ... + (offsettable_address_addr_space_p): ... this. Add ADDRSPACE argument. + Use address-space aware variants of memory address routines. + * reload.c (strict_memory_address_p): Rename to ... + (strict_memory_address_addr_space_p): ... this. Add ADDSPACE argument. + Use address-space aware variants of memory address routines. + (maybe_memory_address_p): Rename to ... + (maybe_memory_address_addr_space_p): ... this. Add ADDSPACE argument. + Use address-space aware variants of memory address routines. + * expr.h (memory_address_addr_space): Add prototype. + (memory_address): Define as macro. + * recog.h (memory_address_addr_space_p): Add prototype. + (memory_address_p): Define as macro. + (offsettable_address_addr_space_p): Add prototype. + (offsettable_address_p): Define as macro. + (strict_memory_address_addr_space_p): Add prototype. + (strict_memory_address_p): Define as macro. + + * combine.c (find_split_point): Use address-space aware variants + of memory address routines. + * emit-rtl.c (operand_subword): Likewise. + (change_address_1): Likewise. + (adjust_address_1): Likewise. + (offset_address): Likewise. + * expr.c (emit_move_insn): Likewise. + (expand_assignment): Likewise. + (expand_expr_real_1): Likewise. + * recog.c (verify_changes): Likewise. + (general_operand): Likewise. + (offsettable_memref_p): Likewise. + (offsettable_nonstrict_memref_p): Likewise. + (constrain_operands): Likewise. + * reload.c (get_secondary_mem): Likewise. + (find_reloads_toplev): Likewise. + (find_reloads_address): Likewise. + (find_reloads_subreg_address): Likewise. + * reload1.c (reload): Likewise. + * rtlhooks.c (gen_lowpart_if_possible): Likewise. + * rtl.h (address_cost): Add ADDRSPACE argument. + * rtlanal.c (address_cost): Add ADDRSPACE argument. Use address-space + aware variant of memory address routines. + * loop-invariant.c (create_new_invariant): Update address_cost call. + * tree-ssa-loop-ivopts.c (computation_cost): Likewise. + * fwprop.c (should_replace_address): Add ADDRSPACE argument. + Use address-space aware variant of memory address routines. + (propagate_rtx_1): Update call to should_replace_address. + * tree-flow.h (multiplier_allowed_in_address_p): Add ADDRSPACE + argument. + * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): Add + ADDRSPACE argument. Use per-address-space instead of global cache. + Use address-space aware variant of memory address routines. + (get_address_cost): Likewise. + (get_computation_cost_at): Update calls. + * tree-ssa-address.c (valid_mem_ref_p): Add ADDRSPACE argument. + Use address-space aware variant of memory address routines. + (create_mem_ref_raw): Update call to valid_mem_ref_p. + (most_expensive_mult_to_index): Update call to + multiplier_allowed_in_address_p. + + * dwarf2out.c (modified_type_die): Output DW_AT_address_class + attribute to indicate named address spaces. + + * varasm.c (get_variable_section): DECLs in named address spaces + cannot be "common". + + * reload.c (find_reloads_address): Do not use LEGITIMIZE_RELOAD_ADDRESS + for addresses in a non-generic address space. + + * expr.c (emit_block_move_hints): Do not use libcalls for + memory in non-generic address spaces. + (clear_storage_hints): Likewise. + (expand_assignment): Likewise. + + * fold-const.c (operand_equal_p): Expressions refering to different + address spaces are not equivalent. + + * rtl.c (rtx_equal_p_cb): MEMs refering to different address + spaces are not equivalent. + (rtx_equal_p): Likewise. + * cse.c (exp_equiv_p): Likewise. + * jump.c (rtx_renumbered_equal_p): Likewise. + * reload.c (operands_match_p): Likewise. + + * alias.c (nonoverlapping_memrefs_p): MEMs refering to different + address spaces may alias. + (true_dependence): Likewise. + (canon_true_dependence): Likewise. + (write_dependence_p): Likewise. + + * dse.c (canon_address): Handle named address spaces. + * ifcvt.c (noce_try_cmove_arith): Likewise. + + * tree.def (ADDR_SPACE_CONVERT_EXPR): New tree code. + * expr.c (expand_expr_real_2): Expand ADDR_SPACE_CONVERT_EXPR. + * convert.c (convert_to_pointer): Generate ADDR_SPACE_CONVERT_EXPR + to handle conversions between different address spaces. + * fold-const.c (fold_convert_loc): Likewise. + (fold_unary_loc): Handle ADDR_SPACE_CONVERT_EXPR. + * tree-pretty-print.c (dump_generic_node): Likewise. + * gimple-pretty-print.c (dump_unary_rhs): Likewise. + * tree-cfg.c (verify_gimple_assign_unary): Likewise. + * tree-inline.c (estimate_operator_cost): Likewise. + * tree-ssa.c (useless_type_conversion_p): Conversions between pointers + to different address spaces are not useless. + +2009-10-26 Jakub Jelinek <jakub@redhat.com> + + PR bootstrap/41345 + * cfgcleanup.c (trivially_empty_bb_p): New function. + (try_optimize_bb): Use it instead of checking BB_HEAD == BB_END. + + PR debug/41828 + * dwarf2out.c (add_pubname, add_pubtype, generic_parameter_die, + add_name_and_src_coords_attributes, gen_namespace_die, + dwarf2out_set_name): Handle dwarf2_name returning NULL. + +2009-10-26 Nick Clifton <nickc@redhat.com> + + * config.gcc: Add support for RX target. + * config/rx: New directory. + * config/rx/constraints.md: New file. + * config/rx/predicates.md: New file. + * config/rx/rx.c: New file. + * config/rx/rx.h: New file. + * config/rx/rx.md: New file. + * config/rx/rx.opt: New file. + * config/rx/rx-protos.h: New file. + * config/rx/t-rx: New file. + * doc/extend.texi: Document RX function attributes. + * doc/invoke.texi: Document RX specific command line options. + * doc/contrib.texi: Document RX contribution. + * doc/md.texi: Document RX constraints. + * doc/install.texi: Document RX support. + +2009-10-26 Michael Matz <matz@suse.de> + + PR tree-optimization/41783 + * tree-ssa-alias.c (get_continuation_for_phi): Export, add a special + case for simple diamonds. + * tree-ssa-alias.h (get_continuation_for_phi): Declare. + * tree-ssa-pre.c (translate_vuse_through_block): Add same_valid + argument, use alias oracle to skip some vdefs. + (phi_translate_1): Change call to above, don't allocate new + value ids if they can stay the same. + (compute_avail): Allow vuse walking when looking up references. + +2009-10-26 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/41826 + * tree-ssa-structalias.c (get_constraint_for_ptr_offset): Avoid + access to re-allocated vector fields. + +2009-10-26 Richard Guenther <rguenther@suse.de> + + * graphite-sese-to-poly.c (check_poly_representation): Fix + compile without checking. + +2009-10-26 Janus Weil <janus@gcc.gnu.org> + + PR fortran/41714 + * gimple.h (tree_annotate_all_with_location): Remove prototype. + * gimplify.c (tree_should_carry_location_p, + tree_annotate_one_with_location,tree_annotate_all_with_location): + Remove obsolete functions. + +2009-10-25 Kaz Kojima <kkojima@gcc.gnu.org> + + PR target/41813 + * config/sh/sh.md (stuff_delay_slot): Don't set T_REG in pattern. + +2009-10-25 Richard Guenther <rguenther@suse.de> + + * lto-streamer-in.c (unpack_ts_decl_common_value_fields): + Stream DECL_RESTRICTED_P. + * lto-streamer-out.c (pack_ts_decl_common_value_fields): Likewise. + +2009-10-25 Richard Sandiford <rdsandiford@googlemail.com> + + * config/mips/mips.c (mips_restore_gp_from_cprestore_slot): Emit + a note when expanding to nothing. + +2009-10-25 Richard Guenther <rguenther@suse.de> + + PR middle-end/41814 + * tree.c (find_decls_types_r): Deal with Java overloading + BINFO_VIRTUALS for its own purpose. + +2009-10-24 Adam Nemet <anemet@caviumnetworks.com> + + * config/mips/predicates.md (hilo_operand): New predicate. + * config/mips/mips.md (<u>mulsidi3_64bit): Change it to a + define_insn. Correct !ISA_HAS_EXT_INS length from 24 to 28. Move + splitter part from here ...: + (<u>mulsidi3_64bit splitter for !ISA_HAS_EXT_INS): ... to here. Swap + op0 and op4 to match the DINS case. + (<u>mulsidi3_64bit splitter for ISA_HAS_EXT_INS): New splitter. + +2009-10-24 Andy Hutchinson <hutchinsonandy@gcc.gnu.org> + + PR middle-end/19154 + * avr.md (QIDI): Add new mode iterator. + (sbrx_branch<mode>): Create new zero extract bit, test and jump + patterns for all QI thru DI modes combinations. + (sbrx_and_branch<mode>): Create new and based bit test and jump + patterns for QI thru SI modes. + avr.c (avr_out_sbxx_branch): Use only bit number. + +2009-10-24 Jan Hubicka <jh@suse.cz> + + * ipa-reference.c (check_call): Noreturn notrhow calls do not write + to memory. + (analyze_function): When analyzing noreturn nothrow call, do not + compute written stats; free bitmaps of vars early if possible. + (generate_summary): Only update bitmaps if computed. + (propagate): Only dump bitmaps if computed. + (ipa_reference_read_summary): Fix pasto. + +2009-10-24 Eric Botcazou <ebotcazou@adacore.com> + + * tree-ssa-alias.c (nonaliasing_component_refs_p): Rename into... + (aliasing_component_refs_p): ...this. Return true if there is no + common base and the base access types have the same alias set. + (indirect_ref_may_alias_decl_p): Adjust for above renaming. + (indirect_refs_may_alias_p): Likewise. + +2009-10-23 Joseph Myers <joseph@codesourcery.com> + + PR c/40033 + * c-typeck.c (c_finish_stmt_expr): Do not wrap error_mark_node in + a C_MAYBE_CONST_EXPR. + +2009-10-23 Michael Meissner <meissner@linux.vnet.ibm.com> + + PR target/41787 + * config/rs6000/rs6000.c (struct machine_function): Add + vsx_or_altivec_used_p to record if vector types are used. + (rs6000_expand_to_rtl_hook): Rename from + rs6000_alloc_sdmode_stack_slot. If VSX, check to see if there are + any vector operations, so if there are, we can set VRSAVE to + non-zero when only floating point vector registers are used. + (TARGET_EXPAND_TO_RTL_HOOK): Use rs6000_expand_to_rtl_hook. + (rs6000_check_vector_mode): Inner function to check if vector + types are used in the code. + (compute_vrsave_mask): If VSX, make sure VRSAVE is non-zero if + vector instructions are used. + + * config/rs6000/rs6000.h (HARD_REGNO_CALL_PART_CLOBBERED): + Indicate that VSX registers which overlap floating point + registers, can't be used across a call, since the ABI only states + the scalar part of the register will be saved and restored. + +2009-10-23 Joseph Myers <joseph@codesourcery.com> + + PR c/41673 + * alias.c (get_alias_set): Call langhook before returning 0 for + types with structural equality. + * c-common.c (c_common_get_alias_set): Use alias set of element + type for arrays with structural comparison. + +2009-10-23 Richard Guenther <rguenther@suse.de> + + PR middle-end/41805 + * cfgexpand.c (expand_call_stmt): Use gimple_has_side_effects and + gimple_call_nothrow_p. + +2009-10-23 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/41778 + * tree-ssa-pre.c (do_regular_insertion): Only insert if a + redundancy along a path in the CFG we want to optimize for speed + is going to be removed. + (execute_pre): Do partial-PRE only if the function is to be + optimized for speed. + (gate_pre): Do not turn off all of PRE when not optimizing a + function for speed. + +2009-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * builtins.c (fold_builtin_cabs): Use validate_arg(). + (fold_builtin_cexp): Fix if-logic. + (fold_builtin_1): Check subtype for BUILT_IN_CIMAG. + +2009-10-22 Jeff Law <law@redhat.com> + + * ira-lives.c (process_single_reg_class_operands): Update the + hard reg costs for all the hard registers desired by the + single reg class operand. + +2009-10-22 Richard Sandiford <rdsandiford@googlemail.com> + + * simplify-rtx.c (simplify_replace_fn_rtx): Add a fallback case + for rtxes that aren't handled specially. + +2009-10-22 Richard Sandiford <rdsandiford@googlemail.com> + + * rtl.h (shallow_copy_rtvec): Declare. + * rtl.c (shallow_copy_rtvec): New function. + * cselib.c (cselib_subst_to_values): Use it. Only modify an + rtx field if the subrtx has changed. + +2009-10-22 Anatoly Sokolov <aesok@post.ru> + + * config/m32c/m32c.c (m32c_function_value_regno_p): New function. + (m32c_function_value): Make static, add new 'outgoing' argument. + (m32c_libcall_value): Make static, add new 'fun' argument. + (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE): Declare. + * config/m32c/m32c.h (FUNCTION_VALUE, LIBCALL_VALUE): Remove. + (FUNCTION_VALUE_REGNO_P): Redefine, use m32c_function_value_regno_p. + * config/m32c/m32c-protos.h (m32c_function_value_regno_p): Declare. + (m32c_function_value, m32c_libcall_value): Delete declaration. + +2009-10-22 Diego Novillo <dnovillo@google.com> + + * Makefile.in (PLUGIN_HEADERS): Add output.h and IPA_UTILS_H. + +2009-10-22 Razya Ladelsky <razya@il.ibm.com> + + * tree-cfg.c (gimple_duplicate_sese_tail): Fix typos/indentation/white + space. + +2009-10-22 Richard Guenther <rguenther@suse.de> + + * lto-streamer.h (lto_symtab_merge_cgraph_nodes): Declare. + * lto-symtab.c (struct lto_symtab_entry_def): Add node member. + (lto_symtab_merge): Do not merge cgraph nodes here. + (lto_symtab_resolve_can_prevail_p): Simplify. + (lto_symtab_resolve_symbols): Store cgraph node. + (lto_symtab_merge_decls_1): Simplify. Do not drop non-prevailing + functions from the symtab. + (lto_symtab_merge_cgraph_nodes_1): New function. + (lto_symtab_merge_cgraph_nodes): Likewise. + +2009-10-22 Richard Guenther <rguenther@suse.de> + + PR lto/41791 + * lto-streamer-out.c (lto_output_location): Stream the + system header flag. + * lto-streamer-in.c (lto_input_location): Likewise. + +2009-10-22 Razya Ladelsky <razya@il.ibm.com> + + * cfgloopmanip.c (duplicate_subloops): Export. + * tree-parloops.c (loop_parallel_p): Dump if loop is innermost. + (transform_to_exit_first_loop): Duplicate bbs starting from + header up to loop->latch instead of exit->src. + Initialize control variable to the correct number of iterations. + (gather_scalar_reductions): Do not register double reductions. + (parallelize_loops): Dump which loop is tested. + Indicate whether the parallelized loop is inner or not. + Remove the innermost-loop requirement. + * cfgloop.h (duplicate_subloops): Export. + * tree-cfg.c (add_phi_args_after_redirect): New function. + (gimple_duplicate_sese_tail): Remove the no-subloops constraint. + Call duplicate_subloops. + Update number of iterations at the exit condition. + Don't redirect nexits always to the loop exit. + Redirect copied edges from latch to the loop exit. + +2009-10-22 Jan Hubicka <jh@suse.cz> + + * ipa-cp.c (ipcp_read_summary): Remove now invalid FIXME and + flag_ltrans check. + * ipa-inline.c (cgraph_mark_inline_edge, + cgraph_decide_inlining_of_small_function, + cgraph_decide_inlining, inline_read_summary): Disable indirect + inlining for WPA for time being. + + PR tree-optimize/40556 + * ipa-inline.c (cgraph_early_inlining): Fix iterations condition. + +2009-10-22 Richard Guenther <rguenther@suse.de> + + * lto-streamer.h (lto_symtab_clear_resolution): Remove. + * lto-symtab.c (lto_symtab_clear_resolution): Likewise. + +2009-10-22 Jan Hubicka <jh@suse.cz> + + PR lto/41730 + * ipa-reference.c (has_proper_scope_for_analysis): Add fixme about + global vars. + (check_call): Handle only indirect calls. + (propagate_bits): Update comment. + (write_node_summary_p): Turn bogus check to assert. + (ipa_reference_write_summary): Stream calls_read_all properly. + (ipa_reference_read_summary): Stream in calls_read_all properly. + (read_write_all_from_decl): New function. + (propagate): Handle OVERWRITABLE nodes and external calls here. + * ipa-pre-const.c (check_call): In IPA mode handle indirect + calls only. + (analyze_function): Do not check visibility here. + (add_new_function): We summary OVERWRITABLE too. + (generate_summary): Stream OVERWRITABLE nodes too. + (propagate): Handle external calls and OVERWRITABLE nodes here. + (local_pure_const): Check visibility here. + +2009-10-22 Jan Hubicka <jh@suse.cz> + + * ipa-cp.c (ipcp_write_summary, ipcp_read_summary): New functions. + (pass_ipa_cp): Register them. + (ipcp_init_stage): Analyze all functions for whopr/lto. + (ipcp_propagate_stage): Skip external calls. + (ipcp_iterate_stage): Call ipa_update_after_lto_read if needed. + * ipa-reference.c (write_node_summary_p): Fix thinko about + availability. + * cgraphunit.c (ipa_passes): When in lto, ne er produce new summaries; + when in ltrans, skip executing of ipa passes since everything + should've been done. + * ipa-inline.c (cgraph_decide_inlining): Remove FIXMEs. + (inline_generate_summary): Likewise. + (inline_read_summary): New function. + (inline_write_summary): New function. + (pass_ipa_inline): Register new hooks. + * ipa-prop.c: Inlcude lto-streamer.h + (ipa_edge_args_vector): Update declaration. + (ipa_count_arguments, ipa_compute_jump_functions, + ipa_free_edge_args_substructures): Move ipa_edge_args_vector into ggc. + (ipa_write_jump_function, ipa_read_jump_function, ipa_write_node_info, + ipa_read_node_info): New static functions. + (ipa_prop_write_jump_functions, ipa_prop_read_jump_functions): Update. + (duplicate_array): Use xmalloc. + (duplicate_ggc_array): New. + (ipa_edge_duplication_hook): Use it. + (ipa_update_after_lto_read): New function. + * ipa-prop.h (ipa_prop_write_jump_functions, + ipa_prop_read_jump_functions): Declare. + (ipa_pass_through_data, ipa_ancestor_jf_data, ipa_member_ptr_cst, + jump_func_value, ipa_member_ptr_cst, ipa_edge_args): Add GTY markers. + (ipa_edge_args_vector): Move into GGC. + (ipa_check_create_edge_args): Update. + (ipa_update_after_lto_read): New. + * passes.c (ipa_write_summaries_1): When in wpa, do not write + summaries. + (ipa_read_summaries): When in ltrans, so not read summaries. + * lto-streamer.c (lto_get_section_name): Add + LTO_section_jump_functions. + * lto-streamer.h (LTO_section_jump_functions): New section. + (produce_asm): Declare. + * lto-cgraph.c (output_cgraph): Output edges in reverse order. + * lto-streamer-out.c (produce_asm): Export. + * lto-streamer-in.c: Include tree-pass.h + (input_function): Free dominance info when done. + (lto_read_body): Push ipa_inline in ltrans stage. + * gengtype.c (open_base_files): Add ipa-prop.h into includes. + * Makefile.in (GTFILES): Add ipa-prop.h + +2009-10-22 Matthias Klose <doko@ubuntu.com> + + * doc/install.texi: Document --enable-browser-plugin. + +2009-10-21 Vladimir Makarov <vmakarov@redhat.com> + + * doc/invoke.texi (fira-loop-pressure): Update default value. + * opts.c (decode_options): Remove default value setting for + flag_ira_loop_pressure. + * config/ia64/ia64.c (ia64_override_options): Set + flag_ira_loop_pressure up for -O3. + * config/rs6000/rs6000.c (rs6000_override_options): Ditto. + +2009-10-21 Sebastian Pop <sebastian.pop@amd.com> + + PR tree-optimization/41497 + * tree-scalar-evolution.c (analyze_evolution_in_loop): Return + chrec_dont_know if the evolution function returned by follow_ssa_edge + is constant in the analyzed loop and is not compatible with the + initial value before the loop. + * tree-chrec.h (no_evolution_in_loop_p): Call STRIP_NOPS. + +2009-10-21 Joseph Myers <joseph@codesourcery.com> + + * config/sh/sh.c (nonpic_symbol_mentioned_p): Allow UNSPEC_TPOFF. + +2009-10-21 Jakub Jelinek <jakub@redhat.com> + + PR other/25507 + * doc/invoke.texi: Document -print-multi-os-directory. + +2009-10-21 Jack Howarth <howarth@bromo.med.uc.edu> + + PR c++/41313 + * gcc/config/darwin10.h: Use default_emit_unwind_label. + * gcc/config/darwin.c: Disable -freorder-blocks-and-partition + when darwin_emit_unwind_label is used. + +2009-10-21 Eric Botcazou <ebotcazou@adacore.com> + + * tree-vect-stmts.c (exist_non_indexing_operands_for_use_p): Tweak + order of checks. + +2009-10-20 Richard Henderson <rth@redhat.com> + + * tree-eh.c (lower_try_finally_copy): Do lower_eh_constructs_1 + before emit_post_landing_pad. + +2009-10-20 Adam Nemet <anemet@caviumnetworks.com> + + * config/mips/mips.c (mips_binary_cost): Add new argument speed. + Use when calling rtx_costs. + (mips_rtx_costs): Fix formatting. Use argument speed rather than the + global optimize_size. Pass speed to mips_binary_cost. + +2009-10-20 Jakub Jelinek <jakub@redhat.com> + + * config/rs6000/rs6000.c (def_builtin): Set TREE_READONLY instead + of TREE_CONSTANT. + +2009-10-20 Richard Sandiford <rdsandiford@googlemail.com> + + * rtl.h (simplify_replace_fn_rtx): Declare. + (wrap_constant, unwrap_constant): Delete. + * cfgexpand.c (unwrap_constant, wrap_constant): Delete. + (expand_debug_expr): Don't call wrap_constant. + * combine.c (rtx_subst_pair): Only define for AUTO_INC_DEC. + (auto_adjust_pair): Fold into... + (propagate_for_debug_subst): ...here. Only define for AUTO_INC_DEC. + Just return a new value. + (propagate_for_debug): Use simplify_replace_fn_rtx for AUTO_INC_DEC, + otherwise use simplify_replace_rtx. + * cselib.c (wrap_constant): Reinstate old definition. + (cselib_expand_value_rtx_1): Don't wrap constants. + * gcse.c (try_replace_reg): Don't use copy_rtx in the call to + simplify_replace_rtx. + (bypass_block): Fix formatting in calls to simplify_replace_rtx. + * reload1.c (reload): Skip all uses for an insn before adjusting it. + Use simplify_replace_rtx. + * simplify-rtx.c (simplify_replace_fn_rtx): New function, + adapted from... + (simplify_replace_rtx): ...here. Turn into a wrapper for + simplify_replace_fn_rtx. + (simplify_unary_operation): Don't unwrap CONSTs. + * var-tracking.c (check_wrap_constant): Delete. + (vt_expand_loc_callback): Don't call it. + (vt_expand_loc): Likewise. + +2009-10-20 Pascal Obry <obry@adacore.com> + Eric Botcazou <ebotcazou@adacore.com> + + * config/i386/cygming.h (DWARF_FRAME_REGNUM): Add enclosing parens. + +2009-10-20 Michael Matz <matz@suse.de> + + * loop-invariant.c (create_new_invariant): Use different magic number. + +2009-10-20 Richard Earnshaw <rearnsha@arm.com> + + PR target/39247 + * arm.c (arm_override_options): Forcibly disable hot/cold block + partitioning. + +2009-10-20 Alexandre Oliva <aoliva@redhat.com> + + PR debug/41739 + * haifa-sched.c (try_ready): Skip debug deps updating speculation + status. + +2009-10-20 Richard Guenther <rguenther@suse.de> + + * ggc-page.c: Include cfgloop.h. + (struct max_alignment): Drop long double, add void *. + (extra_order_size_table): Add low non-power-of-two multiples + of MAX_ALIGNMENT. Drop small type-based entries, add + tree_type, cgraph_node and loop. + * alloc-pool.c (struct allocation_object_def): Drop long double + aligning element. + +2009-10-20 Jakub Jelinek <jakub@redhat.com> + + PR debug/41340 + * loop-invariant.c (calculate_loop_reg_pressure): Don't count regs + referenced just in DEBUG_INSNs. + +2009-10-20 Richard Guenther <rguenther@suse.de> + + PR lto/41761 + * gimple.c (gimple_register_type): Make sure we register + the types main variant first. + +2009-10-20 Richard Guenther <rguenther@suse.de> + + * gimple.c (gimple_types_compatible_p): Simplify. Move + cheap checks before hashtable queries. Add checks for + TYPE_NONALIASED_COMPONENT and DECL_NONADDRESSABLE_P. + +2009-10-20 Eric Botcazou <ebotcazou@adacore.com> + + * tree-sra.c (build_ref_for_offset_1) <RECORD_TYPE>: Skip fields + without size or with size that can't be represented as a host integer. + +2009-10-20 Alexandre Oliva <aoliva@redhat.com> + + * tree-ssa-dce.c (eliminate_unnecessary_stmts): Don't regard + the removal of a debug stmt as a significant change. + +2009-10-20 Wolfgang Gellerich <gellerich@de.ibm.com> + + * config/s390/s390.md: Added agen condition to operand + forwarding bypasses. Added bypass for early address generation + use of int results. Updated comments. + +2009-10-20 Stefan Dösinger <stefan@codeweavers.com> + + * config/i386/i386.c: Remove signal.h #include. + +2009-10-20 Jie Zhang <jie.zhang@analog.com> + + * simplify-rtx.c (simplify_const_unary_operation): Handle SS_ABS. + * doc/rtl.texi: Document ss_abs. + +2009-10-19 Jakub Jelinek <jakub@redhat.com> + + * c-common.c (c_parse_error): Handle CPP_UTF8STRING. + * c-lex.c (c_lex_with_flags): Likewise. Test C_LEX_STRING_NO_JOIN + instead of C_LEX_RAW_STRINGS. + (lex_string): Handle CPP_UTF8STRING. + * c-parser.c (c_parser_postfix_expression): Likewise. + * c-pragma.h (C_LEX_RAW_STRINGS): Rename to ... + (C_LEX_STRING_NO_JOIN): ... this. + +2009-10-19 Anatoly Sokolov <aesok@post.ru> + + * config/cris/cris.c (cris_function_value, cris_libcall_value, + cris_function_value_regno_p): New functions. + (cris_promote_function_mode): Update comment. + (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE): Declare. + * config/cris/cris.h (FUNCTION_VALUE, LIBCALL_VALUE): Remove. + (FUNCTION_VALUE_REGNO_P): Redefine, use cris_function_value_regno_p. + * config/cris/cris-protos.h (cris_function_value_regno_p): Declare. + +2009-10-19 Jakub Jelinek <jakub@redhat.com> + + * unwind-dw2.c (execute_stack_op): Fix operand order for + DW_OP_le, DW_OP_ge, DW_OP_lt and DW_OP_gt. + +2009-10-19 Eric Botcazou <ebotcazou@adacore.com> + + * gimple-low.c (struct lower_data): Add cannot_fallthru field. + (lower_stmt) <GIMPLE_BIND>: Add comment. + <GIMPLE_COND, GIMPLE_GOTO, GIMPLE_SWITCH>: Set cannot_fallthru to true + and return. + <GIMPLE_RETURN>: Remove the statement if cannot_fallthru is set. + Otherwise lower it and set cannot_fallthru to true. + <GIMPLE_TRY>: Update cannot_fallthru for GIMPLE_TRY_FINALLY and return. + <GIMPLE_CATCH, GIMPLE_EH_FILTER>: Set cannot_fallthru to false. + <GIMPLE_CALL>: Set cannot_fallthru to false for BUILT_IN_SETJMP and + to true for a noreturn call. Do not remove statements. + <GIMPLE_OMP_PARALLEL, GIMPLE_OMP_TASK>: Set cannot_fallthru to false. + Set cannot_fallthru to false on function exit. + (gimple_stmt_may_fallthru) <GIMPLE_SWITCH>: Really return false. + <GIMPLE_ASSIGN>: Remove. + +2009-10-19 Andreas Krebbel <Andreas.Krebbel@de.ibm.com> + + * config/s390/s390.c (s390_z10_optimize_cmp): Don't touch FP compares. + +2009-10-19 Andreas Krebbel <Andreas.Krebbel@de.ibm.com> + + * config/s390/s390.c (s390_z10_optimize_cmp): Use + next/prev_active_insn to skip DEBUG_INSNs as well. + +2009-10-19 Joseph Myers <joseph@codesourcery.com> + + * config/arm/arm.c (output_move_neon): Use DImode in call to + adjust_address. + +2009-10-19 Matthias Klose <doko@ubuntu.com> + + PR target/40134 + * config.gcc (arm*-*-linux-*eabi): Use config/t-slibgcc-libgcc. + +2009-10-19 Jakub Jelinek <jakub@redhat.com> + + * cfgexpand.c (expand_debug_expr): Fail if bitpos < 0 for non-MEM op0. + +2009-10-17 Andy Hutchinson <hutchinsonandy@gcc.gnu.org> + + PR middle-end/41738 + * optabs.c (expand_binop): Make mode of shift count expression mode + of shift count not target. + Remove indent nit. + +2009-10-17 Eric Botcazou <ebotcazou@adacore.com> + + * tree-nested.c (convert_nonlocal_reference_stmt) <GIMPLE_COND>: New + case. Force using values to replace references within the statement. + (convert_local_reference_stmt): Likewise. + +2009-10-17 Eric Botcazou <ebotcazou@adacore.com> + + * gimple-low.c (lower_stmt) <GIMPLE_CALL>: If the call is noreturn, + remove a subsequent GOTO or RETURN statement. + +2009-10-17 Andy Hutchinson <hutchinsonandy@aim.com> + + * config/avr.md (*movqi): Add zero as equally preferable constraint + as general register. + (*movhi): Ditto. + +2009-10-17 Eric Botcazou <ebotcazou@adacore.com> + + * print-tree.c (print_node): Fix string for DECL_STRUCT_FUNCTION. + +2009-10-17 Richard Guenther <rguenther@suse.de> + + * lto-streamer-in.c (lto_input_location): Try to reuse previous maps. + +2009-10-17 Richard Guenther <rguenther@suse.de> + + * lto-streamer-in.c (input_gimple_stmt): Fixup FIELD_DECL + operands in COMPONENT_REFs. + +2009-10-17 Anatoly Sokolov <aesok@post.ru> + + * targhooks.c (default_libcall_value): Don't use LIBCALL_VALUE macro + if not defined. Change type of second argument to const_rtx. + (default_function_value): Call gcc_unreachable if FUNCTION_VALUE + macro not defined. + * targhooks.h (default_libcall_value): Update prototype. + * target.h (struct gcc_target): Change type of second argument of + libcall_value to const_rtx. + * config/arm/arm.c (arm_libcall_value): Change type of second argument + to const_rtx. + (arm_libcall_uses_aapcs_base): Change type of argument to const_rtx. + * doc/tm.texi (TARGET_LIBCALL_VALUE): Revise documentation. + +2009-10-17 Jakub Jelinek <jakub@redhat.com> + + PR debug/40521 + * debug.h (struct gcc_debug_hooks): Add assembly_start hook. + * cgraphunit.c (cgraph_optimize): Call it. + * dwarf2out.c (dwarf2out_init): Move .cfi_sections printing into... + (dwarf2out_assembly_start): ... here. New hook. + (dwarf2out_debug_hooks): Add dwarf2out_assembly_start. + * debug.c (do_nothing_debug_hooks): Do nothing for assembly_start + hook. + * dbxout.c (dbx_debug_hooks, xcoff_debug_hooks): Likewise. + * sdbout.c (sdb_debug_hooks): Likewise. + * vmsdbgout.c (vmsdbg_debug_hooks): Add vmsdbgout_assembly_start. + (vmsdbgout_assembly_start): New hook. + +2009-10-17 Alexandre Oliva <aoliva@redhat.com> + + * rtl.h (RTL_LOCATION): Fix typo. + +2009-10-17 Alexandre Oliva <aoliva@redhat.com> + + * print-rtl.c (print_rtx): Print locators in asm_operands + and asm_input. + +2009-10-17 Alexandre Oliva <aoliva@redhat.com> + + PR debug/41535 + * sched-deps.c (depl_on_debug_p): New. + (attach_dep_link): Reject debug deps before nondebug deps. + (add_to_deps_list): Insert debug deps after nondebug deps. + (sd_lists_empty_p): Stop at first nonempty list. Disregard debug + deps. + (sd_add_dep): Do not reject debug deps. + (add_insn_mem_dependence): Don't count debug deps. + (remove_from_deps): Likewise. + (sched_analyze_2): Set up mem deps on debug insns. + (sched_analyze_insn): Record reg uses for deps on debug insns. + * haifa-sched.c (schedule_insn): Reset deferred debug insn. Don't + try_ready nondebug insn after debug insn. + * ddg.c (create_ddg_dep_from_intra_loop_link, + create_ddg_dep_no_link): Don't reject debug deps. + +2009-10-16 Richard Guenther <rguenther@suse.de> + + * lto-symtab.c (merge_incomplete_and_complete_type): Remove. + (maybe_merge_incomplete_and_complete_type): Likewise. + (lto_symtab_merge): Do not call them. Do not warn for + complete vs. incomplete compatible types. + (lto_symtab_merge_decls_2): Simplify. + * gimple.c (gimple_force_type_merge): Remove. + (gimple_types_compatible_p): Make it static. + * gimple.h (gimple_force_type_merge): Remove. + (gimple_types_compatible_p): Likewise. + +2009-10-16 Jakub Jelinek <jakub@redhat.com> + + * dwarf2out.c (mem_loc_descriptor) <case ZERO_EXTRACT>: Cast + DWARF2_ADDR_SIZE to int to avoid signed vs. unsigned warnings. + +2009-10-16 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/41728 + * tree-ssa-dom.c (optimize_stmt): Mark the stmt modified + if fold_stmt did anything. + +2009-10-16 Richard Guenther <rguenther@suse.de> + + PR lto/41715 + * lto-streamer-in.c (lto_input_tree_ref): Revert last change. + (maybe_fixup_handled_component): New function. + (input_gimple_stmt): Fixup mismatched decl replacements. + +2009-10-16 Richard Guenther <rguenther@suse.de> + + PR lto/41713 + * lto-streamer-out.c (lto_output_tree_ref): Handle DEBUG_EXPR_DECL + the same as VAR_DECL. + +2009-10-16 Richard Guenther <rguenther@suse.de> + + * gimple.c (iterative_hash_gimple_type): For integer types + also hash their minimum and maximum values and the string flag. + For array types hash their domain and the string flag. + +2009-10-16 Richard Guenther <rguenther@suse.de> + + * gimple.c (gimple_types_compatible_p): Restrict completing + types to record or unions. Simplify completion. + Do not merge records or unions with different + TYPE_STRUCTURAL_EQUALITY_P tag. + (iterative_hash_gimple_type): Restrict non-recursing into + pointer targets for records and unions. + +2009-10-15 Jakub Jelinek <jakub@redhat.com> + + PR debug/41717 + * cfgexpand.c (expand_debug_expr): Handle CONJ_EXPR. + * dwarf2out.c (mem_loc_descriptor): Don't handle + POST_INT/POST_DEC/POST_MODIFY like SUBREG. For SUBREG + punt if it is not lowpart subreg or if inner mode isn't + MODE_INT. + +2009-10-16 Andreas Krebbel <Andreas.Krebbel@de.ibm.com> + + * config/s390/s390.c (s390_z10_optimize_cmp): Skip notes when + investigating previous or next insns. + +2009-10-16 Eric Botcazou <ebotcazou@adacore.com> + + * tree-sra.c (build_ref_for_offset_1): Update comment. + +2009-10-16 Wolfgang Gellerich <gellerich@de.ibm.com> + + * config/s390/s390.md (atype): Added missing values. + +2009-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca> + + PR target/41702 + * pa.md (casesi): Use sign extended index in call to gen_casesi64p. + (casesi64p): Update pattern to reflect above. + +2009-10-15 Steve Ellcey <sje@cup.hp.com> + + PR rtl-optimization/41697 + * sel-sched-ir.h (_eligible_successor_edge_p): Check successor count. + +2009-10-15 Michael Meissner <meissner@linux.vnet.ibm.com> + + PR target/23983 + * config/rs6000/predicates.md: Update copyright year. + * config/rs6000/altivec.md: Ditto. + + * config/rs6000/t-rs6000 (TM_H): Add rs6000-builtin.def. + (MD_INCLUDES): Add a2.md. + + * config/rs6000/rs6000.c (rs6000_builtin_decls): Change + RS6000_BUILTIN_COUNT to MAX_RS6000_BUILTINS. + (builtin_classify): New static vector to classify various builtins + to get the tree attributes correct. + (def_builtin): Set the attributes of builtins based on what the + builtin does (i.e. memory operation, floating point, saturation + need special attributes, others are pure functions). + + * config/rs6000/rs6000.h (enum rs6000_btc): New enum to classify + the builtins. + (enum rs6000_builtins): Include rs6000-builtin.def to define the + builtins. Change the end marker to MAX_RS6000_BUILTINS from + RS6000_BUILTIN_COUNT. + (rs6000_builtin_decls): Change RS6000_BUILTIN_COUNT to + MAX_RS6000_BUILTINS. + + * config/rs6000/rs6000-builtin.def: New file that combines the + builtin enumeration name and attributes. + +2009-10-15 H.J. Lu <hongjiu.lu@intel.com> + + * config/i386/linux.h (ASM_SPEC): Add --32. + +2009-10-15 Jakub Jelinek <jakub@redhat.com> + + * dwarf2out.c (dwarf_tag_name): Handle DW_TAG_rvalue_reference_type + and DW_TAG_template_alias. + (dwarf_attr_name): Handle DW_AT_main_subprogram, + DW_AT_data_bit_offset, DW_AT_const_expr, DW_AT_enum_class, + DW_AT_linkage_name, DW_AT_GNU_guarded_by, DW_AT_GNU_pt_guarded_by, + DW_AT_GNU_guarded, DW_AT_GNU_pt_guarded, DW_AT_GNU_locks_excluded, + DW_AT_GNU_exclusive_locks_required, DW_AT_GNU_shared_locks_required + and DW_AT_GNU_odr_signature. + (dwarf_form_name): Handle DW_FORM_sec_offset, DW_FORM_exprloc, + DW_FORM_flag_present and DW_FORM_ref_sig8. + (output_signature): Only print name on the first byte. + (output_die): Likewise for dw_val_class_data8. + +2009-10-15 Alexander Monakov <amonakov@ispras.ru> + + * doc/invoke.texi: Clarify that most optimizations are not enabled + without -O. + +2009-10-15 Richard Guenther <rguenther@suse.de> + + PR lto/41668 + * gimple.c (compare_type_names_p): Handle anonymous names + differently based on new mode argument. + (gimple_types_compatible_p): For structs also compare the tags. + (iterative_hash_type_name): Rename to ... + (iterative_hash_name): ... this. Hash all names. + (iterative_hash_gimple_type): Fix hashing the struct tag of + pointer targets. Hash field decl names. + +2009-10-15 Richard Guenther <rguenther@suse.de> + + PR lto/41669 + * gimple.c (gimple_get_alias_set): Avoid recursing on + invalid type topology. + +2009-10-15 Andrew Pinski <andrew_pinski@playstation.sony.com> + + * config/spu/spu.c (get_branch_target): Use extract_asm_operands. + +2009-10-15 Richard Guenther <rguenther@suse.de> + + * tree.c (free_lang_data_in_decl): Free DECL_FCONTEXT. + +2009-10-15 Jakub Jelinek <jakub@redhat.com> + + * config/rs6000/option-defaults.h (OPTION_DEFAULT_SPECS): Don't + add --with-tune{,-32,-64} configured default for -mtune if explicit + -mcpu is used. + +2009-10-14 Daniel Gutson <dgutson@codesourcery.com> + + * config/arm/neon.md (neon_vshll_n<mode>): Checking Bounds fixed. + +2009-10-14 DJ Delorie <dj@redhat.com> + + * config/h8300/h8300.c (F): New. + (Fpa): New. + (h8300_emit_stack_adjustment): Call them. + (push): Likewise. + (h8300_push_pop): Likewise. + (h8300_expand_prologue): Likewise. + * config/h8300/h8300.h (DWARF2_DEBUGGING_INFO): Define. + (MUST_USE_SJLJ_EXCEPTIONS): Define. + (INCOMING_RETURN_ADDR_RTX): Define. + (INCOMING_FRAME_SP_OFFSET): Define. + (DWARF_CIE_DATA_ALIGNMENT): Define. + +2009-10-14 Jakub Jelinek <jakub@redhat.com> + + * stor-layout.c (place_field): Don't emit -Wpadded warnings for + fields in builtin structs. + (finalize_record_size): Likewise. + +2009-10-14 Richard Guenther <rguenther@suse.de> + + * gimple.c (gtc_ob): New global. + (struct type_pair_d): Replace pointers with type UIDs. + (type_pair_hash): Adjust. + (type_pair_eq): Likewise. + (lookup_type_pair): Likewise. Allocate from an obstack. + (gimple_force_type_merge): Adjust. + (gimple_types_compatible_p): Likewise. + (free_gimple_type_tables): Free the obstack. + +2009-10-14 Jakub Jelinek <jakub@redhat.com> + + * tree-parloops.c (separate_decls_in_region_debug_bind): Drop debug + stmts setting DEBUG_EXPR_DECLs. + + * cfgexpand.c (expand_debug_expr): Ignore zero-length bitfields. + Don't crash if mode1 is VOIDmode. + +2009-09-26 Vladimir Makarov <vmakarov@redhat.com> + + * params.def (PARAM_IRA_LOOP_RESERVED_REGS): New. + * params.h (IRA_LOOP_RESERVED_REGS): New. + * tree-pass.h (pass_subregs_of_mode_init, + pass_subregs_of_mode_finish): Remove. + * passes.c (pass_subregs_of_mode_init, + pass_subregs_of_mode_finish): Remove. + (pass_reginfo_init): Move before loop optimizations. + * config/i386/i386.h (STACK_REG_COVER_CLASS): Define. + * common.opt (fira-loop-pressure): New. + * toplev.h (flag_ira_loop_pressure): New. + * rtl.h (init_subregs_of_mode, finish_subregs_of_mode): New externals. + * reginfo.c (init_subregs_of_mode, finish_subregs_of_mode): + Make external and void type functions. + (gate_subregs_of_mode_init, pass_subregs_of_mode_init, + pass_subregs_of_mode_finish): Remove. + * ira-costs.c (init_costs): Call init_subregs_of_mode. + * regmove.c: Include ira.h. + (regmove_optimize): Call ira_set_pseudo_classes after IRA based + register pressure calculation in loops. + * loop-invariant.c: Include REGS_H and ira.h. + (struct loop_data): New members max_reg_pressure, regs_ref, and + regs_live. + (struct invariant): New member orig_regno. + (curr_loop): New variable. + (find_exits): Initialize regs_ref and regs_live. + (create_new_invariant): Initialize orig_regno. + (get_cover_class_and_nregs): New. + (get_inv_cost): Make aregs_needed an array. Use regs_needed as an + array. Add code for flag_ira_loop_pressure. + (gain_for_invariant): Make new_regs an array. Add code for + flag_ira_loop_pressure. + (best_gain_for_invariant): Ditto. + (set_move_mark): New parameter gain. Use it for debugging output. + (find_invariants_to_move): Make regs_needed and new_regs an array. + Add code for flag_ira_loop_pressure. + (move_invariant_reg): Set up orig_regno. + (move_invariants): Set up reg classes for pseudos for + flag_ira_loop_pressure. + (free_loop_data): Clear regs_ref and regs_live. + (curr_regs_live, curr_reg_pressure, regs_set, n_regs_set, + get_regno_cover_class, change_pressure, mark_regno_live, + mark_regno_death, mark_reg_store, mark_reg_clobber, + mark_reg_death, mark_ref_regs, calculate_loop_reg_pressure): New. + (move_loop_invariants): Calculate pressure. Initialize curr_loop. + * ira.c (ira): Call ira_set_pseudo_classes after IRA based + register pressure calculation in loops if new regs were added. + Call finish_subregs_of_mode. + * opts.c (decode_options): Set up flag_ira_loop_pressure. + * Makefile.in (loop-invariant.o): Add ira.h. + (regmove.o): Ditto. + * doc/invoke.texi (-fira-loop-pressure, ira-loop-reserved-regs): + Describe. + * doc/tm.texi (STACK_REG_COVER_CLASS): Describe. + +2009-10-14 Richard Guenther <rguenther@suse.de> + + * lto-symtab.c (lto_symtab_compatible): Fold in ... + (lto_symtab_merge): ... here. Rewrite both to take the + prevailing and a to-be-merged entry and to queue diagnostics properly. + (lto_symtab_resolve_replaceable_p): New predicate for + symbol resolution. + (lto_symtab_resolve_can_prevail_p): Likewise. + (lto_symtab_resolve_symbols): Rewrite. Fold in code that + handles merging commons by choosing the largest decl. Fold + in code that gives ODR errors. + (lto_symtab_merge_decls_2): Simplify a lot. Emit queued + diagnostics here. + (lto_symtab_merge_decls_1): Re-structure. Deal with the + case of no prevailing decl here. Diagnose mismatches + in object types here. Drop all but the prevailing decls. + (lto_symtab_prevailing_decl): Return the single prevailing decl. + * lto-streamer-in.c (lto_input_tree_ref): Deal with + VIEW_CONVERT_EXPRs in decl slots. Unshare the tree in this case. + +2009-10-14 Richard Guenther <rguenther@suse.de> + + PR lto/41521 + * lto-streamer-in.c (input_bb): Replace debug stmts with + nops instead of dropping them. + +2009-10-14 Nick Clifton <nickc@redhat.com> + + * gcc/doc/extended.texi: Replace the dash character with @minus{} + in situations where it is being used as a minus symbol. + * gcc/doc/tm.texi: Likewise. + * gcc/doc/md.texi: Likewise. + +2009-10-14 Jakub Jelinek <jakub@redhat.com> + + PR preprocessor/41543 + * input.h (BUILTINS_LOCATION): Change to 1 from 2. + Assert BUILTINS_LOCATION < RESERVED_LOCATION_COUNT. + * tree.c: Include intl.h. + (expand_location): Handle BUILTINS_LOCATION. + * Makefile.in (tree.o): Depend on intl.h. + + PR debug/41695 + * dwarf2out.c (dwarf2out_var_location): Always clear + last_postcall_label when changing last_label. + +2009-10-14 Pascal Obry <obry@adacore.com> + + * gcc.c (DEFAULT_SWITCH_CURTAILS_COMPILATION): Add -E. + (process_command): Handle -E as done with -c and -S. Do not add + the target executable suffix to the output file when -E is used. + (main): Adjust error message accordingly. + +2009-10-14 Alexandre Oliva <aoliva@redhat.com> + + PR debug/41343 + PR debug/41447 + PR debug/41264 + PR debug/41338 + * tree.c (tree_node_structure_for_code): DEBUG_EXPR_DECL uses + decl with rtl. + (tree_code_size): Likewise. + +2009-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * builtins.c (fold_builtin_1): Support complex "arc" functions. + * real.h (HAVE_mpc_arc): Define. + +2009-10-14 Kaz Kojima <kkojima@gcc.gnu.org> + + * config/sh/sh.c (TARGET_BUILTIN_DECL): Define. + (struct builtin_description): Add fndecl field. + (bdesc): Remove const qualifier. Update initializer. + (sh_media_init_builtins): Remove const qualifier for d. Record + the result of add_builtin_function to the fndecl field. + (sh_builtin_decl): New. + (sh_media_builtin_decl): New. + +2009-10-14 Hans-Peter Nilsson <hp@axis.com> + + PR target/38948 + * config/cris/cris.h (SECONDARY_RELOAD_CLASS): Handle reload + requests between special registers. + +2009-10-13 Eric Botcazou <ebotcazou@adacore.com> + + * dwarf2out.c (mem_loc_descriptor): Accept UNGT as well. + +2009-10-13 Richard Henderson <rth@redhat.com> + + PR tree-optimization/41377 + * tree-eh.c (unsplit_eh): Propagate degenerate PHIs. + (cleanup_empty_eh_merge_phis): New change_region parameter; + pass it on to redirect_eh_edge_1. Update callers. + (cleanup_empty_eh_unsplit): Don't require an existing EH label + at the destination block. + +2009-10-13 Basile Starynkevitch <basile@starynkevitch.net> + + * passes.c (register_pass): Replaced gcc_unreachable by + fatal_error on failure. Mentions plugins in comments & messages. + +2009-10-13 Jakub Jelinek <jakub@redhat.com> + + PR target/41693 + * rtl.h (DEBUG_EXPR_TREE_DECL): Define. + * sched-vis.c (print_value): Use it. + * cselib.c (cselib_hash_rtx): Likewise. + * print-rtl.c (print_rtx): Likewise. + * cfgexpand.c (expand_debug_rtx): Likewise. + * var-tracking.c (vt_expand_loc_callback): Likewise. + +2009-10-13 Richard Guenther <rguenther@suse.de> + + PR lto/41565 + * opts.c (handle_option): Split out code to handle setting + the options flag var ... + (set_option): ... here. + * opts.h (set_option): Declare. + * lto-opts.c (register_user_option_p): Include -fexceptions + and all position independent code variants. + (handle_common_option): Remove. + (lto_reissue_options): Use set_option. + +2009-10-13 Martin Jambor <mjambor@suse.cz> + + PR tree-optimization/41661 + * ipa-prop.c (compute_complex_pass_through): Allow only operations + that are tcc_comparisons or do not change the type in any + un-usleless way. + * ipa-cp.c (ipcp_lattice_from_jfunc): Request boolean type when + folding tcc_comparison operations. + +2009-10-13 Andreas Krebbel <Andreas.Krebbel@de.ibm.com> + + * config/s390/s390.c (s390_encode_section_info): Handle BLKmode + properly. + +2009-10-12 Alexandre Oliva <aoliva@redhat.com> + + PR debug/41343 + PR debug/41447 + PR debug/41264 + PR debug/41338 + * tree.def (DEBUG_EXPR_DECL): New. + * rtl.def (DEBUG_EXPR): New. + * gengtype.c (adjust_field_rtx_def): Handle it. + * tree-ssa.c (propagate_var_def_into_debug_stmts): Rename to... + (insert_debug_temp_for_var_def): ... this. Drop support for + moving. Take iterator for def stmt; insert debug stmt before it. + Scan early for use count and kind in debug stmts. + (propagate_defs_into_debug_stmts): Rename to... + (insert_debug_temps_for_defs): ... this. Likewise. + * tree.h (DEBUG_TEMP_UID): New. + * tree.c (next_debug_decl_uid): New. + (make_node_stat): Count debug decls separately. + (copy_node_stat): Likewise. + * cfgexpand.c (expand_debug_expr): Handle DEBUG_EXPR_DECL. + * var-tracking.c (dv_is_decl_p): Recognize it. + (VALUE_RECURSED_INTO): Apply to DEBUG_EXPRs too. + (track_expr_p): Track expanded DEBUG_EXPR_DECLs. + (vt_expand_loc_callback): Expand DEBUG_EXPRs. + (emit_note_insn_var_location): Don't emit notes for DEBUG_EXPR_DECLs. + * cselib.c (rtx_equal_for_cselib_p): Handle DEBUG_EXPR. + (cselib_hash_rtx): Likewise. + (cselib_expand_value_rtx_1): Use callback for DEBUG_EXPR. + * tree-ssa-operands.c (get_expr_operands): Skip DEBUG_EXPR_DECLs in + debug bind stmts. + * emit-rtl.c (verify_rtx_sharing): Handle DEBUG_EXPR and VALUE. + (copy_rtx_if_shared_1, reset_used_flags, set_used_flags): Likewise. + * rtl.c (copy_rtx): Likewise. + (rtx_equal_p_cb, rtx_equal_p): Handle DEBUG_EXPR. + * print-rtl.c (print_rtx): Likewise. + * sched-vis.c (print_value): Likewise. + (print_insn): Handle DEBUG_EXPR_DECL. + * tree-dump.c (dequeue_and_dump): Likewise. + * tree-pretty-print.c (dump_decl_name, dump_generic_node): Likewise. + * gimple-iterator (gsi_replace): Check for same lhs. + (gsi_remove): Insert debug temps. + * tree-ssa-loop-im.c (rewrite_reciprocal): Replace with same lhs. + (move_computations_stmt): Drop explicit propagation into debug stmts. + (rewrite_bittest): Likewise. Use gsi_remove for propagation. + * tree-ssa-reassoc.c (rewrite_expr_tree, linearize_expr): Likewise. + * tree-ssa-sink.c (statement_sink_location): Likewise. + * tree-ssa-forwprop (forward_propagate_addr_expr): Likewise. + * tree-ssanames.c (release_ssa_name): Adjust for rename. + * tree-flow.h: Likewise. + * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Don't mark + debug temps without values. + (eliminate_unnecessary_stmts): Don't discard just-inserted + debug stmts. + +2009-10-12 Hans-Peter Nilsson <hp@axis.com> + + PR target/26515 + * config/cris/cris.md (andu): Check that operand 1 is one of the + general registers. Fix typo in head comment. + +2009-10-12 Stefan Dösinger <stefan@codeweavers.com> + + * config/i386/i386.md (vswapmov): New. + * config/i386/i386.c (ix86_handle_fndecl_attribute): New. + (ix86_function_ms_hook_prologue): New. + (ix86_expand_prologue): Handle ms_hook_prologue attribute. + * configure.ac: Test for swap suffix support in as. + * configure: Rebuild. + +2009-10-12 Jakub Jelinek <jakub@redhat.com> + + PR target/41680 + * config/i386/i386.md (split after *testqi_ext_3_rex64): Only narrow + paradoxical subregs to prevent partial register stalls if the inner + mode is integer mode. + +2009-10-12 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/i386.md (*setcc_<mode>_2): Remove insn pattern. + +2009-10-12 Dodji Seketeli <dodji@redhat.com> + + PR c++/41570 + * gcc/dwarf2out.c (template_parameter_pack_die, + gen_formal_parameter_pack_die): Use add_name_and_src_coords_attributes. + +2009-10-12 Alexandre Oliva <aoliva@redhat.com> + + PR debug/41616 + * tree-into-ssa.c (insert_phi_nodes_for): Build debug bind stmts + on updates too. + (maybe_register_def): Likewise. Take stmt iterator. + (rewrite_update_stmt): Take stmt iterator and pass it on. + (rewrite_update_enter_block): Pass stmt iterator. + +2009-10-11 Andrew Pinski <andrew_pinski@playstation.sony.com> + + * config/spu/spu.c (TARGET_BUILTIN_DECL): Define. + (spu_builtin_decl): New function. + +2009-10-12 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/i386.md (SWIM): New mode iterator. + (mov<mode>cc): Macroize expander from mov{qi,hi,si,di}cc patterns + using SWIM mode iterator. + (x86_mov<mode>cc_0_m1): Macroize insn from x86_mov{si,di}cc_0_m1 + patterns using SWI48 mode iterator. + (*x86_mov<mode>cc_0_m1_se): Macroize insn from + *x86_mov{si,di}cc_0_m1_se patterns using SWI48 mode iterator. + (*x86_mov<mode>cc_0_m1_neg): New insn pattern. + (*mov<mode>cc_noc): Macroize insn from *mov{hi,si,di}cc_noc + patterns using SWI248 mode iterator. + * config/i386/i386.c (ix86_expand_int_movcc): Update the call to + gen_x86_movdicc_0_m1_rex64 for renamed function + +2009-10-11 Jose Ruiz <ruiz@adacore.com> + Eric Botcazou <ebotcazou@adacore.com> + + PR target/33743 + * config/sparc/sol2.h (MD_UNWIND_SUPPORT): Define. + * config/sparc/sol2-unwind.h: New file. + +2009-10-11 Olivier Hainque <hainque@adacore.com> + Eric Botcazou <ebotcazou@adacore.com> + + PR target/33743 + * config/i386/sol2.h (MD_UNWIND_SUPPORT): Define. + * config/i386/sol2-unwind.h: New file. + +2009-10-11 H.J. Lu <hongjiu.lu@intel.com> + + PR target/41665 + * config/i386/i386.md (addsi_1_zext): Get the proper second + operand for lea. + +2009-10-11 Richard Sandiford <rdsandiford@googlemail.com> + + * simplify-rtx.c (simplify_replace_rtx): Use rtx_equal_p for + all OLD_RTXes, not just REGs. Use copy_rtx to create the + replacement value. + +2009-10-11 Richard Guenther <rguenther@suse.de> + + * gimple.c (iterative_hash_type_name): Do not handle special + anonymous names. + +2009-10-11 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/i386.md (*setcc_di_1): New insn_and_split pattern. + (*setcc_si_1_and): Ditto. + (*setcc_si_1_movzbl): Ditto. + (*setcc_<mode>_2): Ditto. + (*setcc_qi): Rename from *setcc_1. + (*setcc_qi_slp): Rename from *setcc_2. + + (*zero_extendqihi2_movzbw_and splitter): Use ix86_expand_clear. + (*zero_extendqisi2_movzbw_and splitter): Ditto. + + * config/i386/i386.c (ix86_expand_clear): Remove reload_completed from + "if" condition, there is already assert with reload_completed present. + +2009-10-11 Gerald Pfeifer <gerald@pfeifer.com> + + * plugin.c (try_init_one_plugin): Improve constness of variable err. + +2009-10-10 Gerald Pfeifer <gerald@pfeifer.com> + + * doc/install.texi (Final install): Refer to + http://gcc.gnu.org/bugs/ for bug reporting. + +2009-10-10 Peter Bergner <bergner@vnet.ibm.com> + + * configure.ac: Add test for dci instruction. + * configure: Regenerate. + * config.in: Likewise. + * config.gcc: Handle --with-cpu=476 and --with-cpu=476fp. + * doc/invoke.texi: Add cpu_type 476 and 476fp. + (-mmulhw): Add 476 to description. + (-mdlmzb): Likewise. + * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include -mcpu=476. + * config/rs6000/rs6000.c (processor_costs): Add ppc476_cost. + (processor_target_table): Add 476 and 476fp entries. + (rs6000_override_options): Use ppc476_cost for PROCESSOR_PPC476. + (rs6000_issue_rate): Add CPU_PPC476. + * config/rs6000/rs6000.h (ASM_CPU_476_SPEC): Define. + (ASM_CPU_SPEC): Pass %(asm_cpu_476) for -mcpu=476 and -mcpu=476fp. + (processor_type): Add PROCESSOR_PPC476. + (EXTRA_SPECS): Add asm_cpu_476 string. + * config/rs6000/rs6000.md (define_attr "type"): Add isel attribute. + (define_attr "cpu"): Add ppc476. + Include 476.md. + Update comments for 476. + (isel_signed, isel_unsigned): Change to use "isel" type attribute. + * config/rs6000/vxworks.h (CPP_SPEC): Handle 464 and 476. + Update copyright year. + * config/rs6000/476.md: New file. + * config/rs6000/40x.md: Add description for "isel" attribute. + Update copyright year. + * config/rs6000/440.md: Likewise. + * config/rs6000/603.md: Likewise. + * config/rs6000/6xx.md: Likewise. + * config/rs6000/7450.md: Likewise. + * config/rs6000/7xx.md: Likewise. + * config/rs6000/8540.md: Likewise. + * config/rs6000/cell.md: Likewise. + * config/rs6000/e300c2c3.md: Likewise. + * config/rs6000/e500mc.md: Likewise. + * config/rs6000/mpc.md: Likewise. + * config/rs6000/power4.md: Likewise. + * config/rs6000/power5.md: Likewise. + * config/rs6000/power6.md: Likewise. + * config/rs6000/power7.md: Likewise. + * config/rs6000/rios1.md: Likewise. + * config/rs6000/rios2.md: Likewise. + * config/rs6000/rs64.md: Likewise. + +2009-10-10 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/41654 + * tree-ssa-ifcombine.c (ifcombine_ifandif): Properly canonicalize + a cond expr before calling gimple_cond_set_condition_from_tree. + (ifcombine_iforif): Likewise. + +2009-10-09 Ian Lance Taylor <iant@google.com> + + * configure.ac: Use AC_SEARCH_LIBS to find dlopen. + * configure: Rebuild. + +2009-10-09 Neil Vachharajani <nvachhar@google.com> + + * doc/cpp.texi (Other Directives): Do not list #ident and #sccs as + deprecated. + +2009-10-09 Richard Guenther <rguenther@suse.de> + + PR lto/41638 + * target-def.h (TARGET_BUILTIN_DECL): Define. + (TARGET_INITIALIZER): Add TARGET_BUILTIN_DECL. + * target.h (struct gcc_target): Add builtin_decl target hook. + * doc/tm.texi (TARGET_BUILTIN_DECL): Document. + * lto-streamer-in.c (lto_get_builtin_tree): Fix handling of + target builtins. + * lto-streamer-out.c (lto_output_tree_pointers): Use sorry, + not gcc_unreachable. + (lto_output_builtin_tree): Sorry if the target does not support + streaming target builtins. + * config/rs6000/rs6000.c (TARGET_BUILTIN_DECL): Define. + (rs6000_builtin_decl): New function. + * config/i386/i386.c (TARGET_BUILTIN_DECL): Define. + (ix86_builtin_decl): New function. + +2009-10-09 Jakub Jelinek <jakub@redhat.com> + + PR preprocessor/41445 + * c-ppoutput.c (do_line_change): New function. + (cb_line_change): Use it. + (scan_translation_unit): Call do_line_change if + avoid_paste or PREV_WHITE and token location is on a different line + than print.src_line. + + PR debug/40521 + * dwarf2out.c (dwarf2out_init): Test whether + HAVE_GAS_CFI_SECTIONS_DIRECTIVE is non-zero instead of checking + it is defined. + + PR rtl-optimization/41646 + * calls.c (expand_call): For BLKmode types returned in registers + avoid likely spilled hard regs in copy_blkmode_from_reg generated + insns. + +2009-10-09 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/41634 + * tree-ssa-dom.c (remove_local_expressions_from_table): Assert + we remove the correct elements. + (optimize_stmt): Make sure to update stmt operands before + optimizing redundancies. + +2009-10-09 Andreas Krebbel <Andreas.Krebbel@de.ibm.com> + + * config/s390/s390.md ("prefetch"): Remove stcmh for prefetching. + +2009-10-09 Richard Guenther <rguenther@suse.de> + + PR driver/41637 + * lto-wrapper.c (ltrans_output_file, flto_out, args_name): New + globals. + (lto_wrapper_exit): New function. + (fatal): Use it. + (fatal_perror): Likewise. + (fork_execute): Use global args_name, do not free it. + (run_gcc): Use global ltrans_output_file, flto_out, do not free them. + * lto-streamer.h: Remove duplicate prototypes. + +2009-10-09 Richard Guenther <rguenther@suse.de> + + * cgraph.c (cgraph_create_edge): Check for NULL call_stmt + before calling stmt_can_throw_external. + +2009-10-09 Eric Botcazou <ebotcazou@adacore.com> + + PR tree-optimization/40071 + * tree-vect-data-refs.c (vect_create_data_ref_ptr): Build a ref-all + pointer if the original data reference doesn't conflict with the + created vector data reference. Fix long line. + +2009-10-09 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/i386.md (any_div): New code iterator. + (u): Handle div and udiv. + (sgnprefix): Ditto. + (<u>divqi3): Macroize insn from {,u}divqi3 using any_div + code iterator. + (lfloor<MODEF:mode><SWI48:mode>2): Macroize insn from + lfloor<mode>{si,di}2 patterns using SWI48 mode iterator. + (lceil<MODEF:mode><SWI48:mode>2): Macroize insn from + lceil<mode>{si,di}2 patterns using SWI48 mode iterator. + +2009-10-08 Joseph Myers <joseph@codesourcery.com> + + * gcc.c (main): Remove trailing "." from diagnostics. + +2009-10-08 Cary Coutant <ccoutant@google.com> + + Add support for debugging with ICF (Identical Code Folding). + * calls.c (debug.h): New #include. + (emit_call_1): Call virtual_call_token debug hook. + * common.opt (-fenable-icf-debug): New option. + * dwarf2out.c (dwarf2_debug_hooks): Add entries for new hooks (two + locations in the source). + (poc_label_num): New variable. + (dcall_entry, vcall_entry): New typedefs. + (dcall_table, vcall_table): New variables. + (struct vcall_insn): New type. + (vcall_insn_table): New variable. + (DEBUG_DCALL_SECTION, DEBUG_VCALL_SECTION): New macros. + (size_of_dcall_table): New function. + (output_dcall_table): New function. + (size_of_vcall_table): New function. + (output_vcall_table): New function. + (dwarf2out_direct_call): New function. + (vcall_insn_table_hash): New function. + (vcall_insn_table_eq): New function. + (dwarf2out_virtual_call_token): New function. + (dwarf2out_virtual_call): New function. + (dwarf2out_init): Allocate new tables and sections. + (prune_unused_types): Mark DIEs referenced from direct call table. + (dwarf2out_finish): Output direct and virtual call tables. + * final.c (final_scan_insn): Call direct_call and virtual_call + debug hooks. + * debug.h (struct gcc_debug_hooks): Add direct_call, + virtual_call_token, virtual_call hooks. + (debug_nothing_uid): New function. + * debug.c (do_nothing_debug_hooks): Add dummy entries for new hooks. + (debug_nothing_uid): New function. + * dbxout.c (dbx_debug_hooks): Add dummy entries for new hooks. + (xcoff_debug_hooks): Likewise. + * sdbout.c (sdb_debug_hooks): Likewise. + * vmsdbgout.c (vmsdbg_debug_hooks): Likewise. + * doc/invoke.texi (-fenable-icf-debug): New option. + +2009-10-08 Alexandre Oliva <aoliva@redhat.com> + + PR debug/41353 + * regmove.c (regmove_backward_pass): Replace src with dst in the + debug insn, and check for dst before rather than after. + +2009-10-08 Janis Johnson <janis187@us.ibm.com> + + * config/rs6000/rs6000.c (rs6000_delegitimize_address): Remove. + (TARGET_DELEGITIMIZE_ADDRESS): Likewise. + +2009-10-08 Jan Hubicka <jh@suse.cz> + + PR middle-end/41626 + * cgraphbuild.c (record_reference): When parameter DATA is NULL, + do not mark cgraph nodes as needed. + (record_references_in_initializer): Add new only_vars parameter. + * cgraph.h (record_references_in_initializer): New parameter. + * varasm.c (assemble_variable): Update call. + * varpool.c (varpool_analyze_pending_decls): Always look for + referenced vars. + +2009-10-08 Anatoly Sokolov <aesok@post.ru> + + * config/avr/avr.c (last_insn_address) Remove variable. + (expand_prologue): Don't initialise last_insn_address variable. + (final_prescan_insn): Don't output insn size. + * config/avr/avr.opt (msize): Remove switch. + * doc/invoke.texi (AVR Options): Remove documentation of -msize + switch. + +2009-10-08 Adam Nemet <anemet@caviumnetworks.com> + + * combine.c (label_tick_ebb_start): Fix comment. + (combine_instructions): Set label_tick and label_tick_ebb_start before + calling setup_incoming_promotions. Start them from 1. Increment + label_tick instead of deriving it from the BB index. Rather than + comparing ticks use the block from the previous iteration to decide + whether to start a new EBB. Remove empty lines before function. + +2009-10-08 Michael Matz <matz@suse.de> + + PR middle-end/41573 + * builtins.c (fold_builtin_isascii): Use fold_build2. + (fold_builtin_isdigit): Ditto. + * except.c (duplicate_eh_regions_1): Tolerate NULL labels. + * tree-cfg.c (struct rus_data, remove_useless_stmts_warn_notreached, + remove_useless_stmts_cond, remove_useless_stmts_tf, + remove_useless_stmts_tc, remove_useless_stmts_bind, + remove_useless_stmts_goto, remove_useless_stmts_label, + remove_useless_stmts_1, remove_useless_stmts, + pass_remove_useless_stmts): Remove. + * tree-pass.h (pass_remove_useless_stmts): Don't declare. + * passes.c (init_optimization_passes): Don't add + pass_remove_useless_stmts. + * tree-eh.c (lower_eh_constructs_2): Handle empty cleanups. + * tree.c (free_lang_data_in_decl): Don't clear DECL_INITIAL of + static constants. + * lto-symtab.c (lto_symtab_register_decl): Accepts DECL_INITIAL + for static constants. + * lto-streamer-out.c (output_gimple_stmt): Handle GIMPLE_NOP. + * lto-streamer-in.c (input_gimple_stmt): Handle GIMPLE_NOP. + +2009-10-08 Richard Guenther <rguenther@suse.de> + + * gimple.c (free_gimple_type_tables): New function. + * gimple.h (free_gimple_type_tables): Declare. + +2009-10-07 Mark Heffernan <meheff@google.com> + + * ipa-prop.c (ipa_print_node_params) Only print + names of named arguments. + +2009-10-08 Rafael Avila de Espindola <espindola@google.com> + + * gcc.c (LINK_COMMAND_SPEC): Pass libc with -pass-through if it is + being statically linked. + +2009-10-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE> + + * collect2.c (add_lto_object): Only define if OBJECT_FORMAT_NONE. + +2009-10-08 Jan Hubicka <jh@suse.cz> + + PR bootstrap/41620 + * ipa.c (cgraph_externally_visible_p, + function_and_variable_visibility, + whole_program_function_and_variable_visibility): Skip non-finalized + nodes. + +2009-10-08 Nick Clifton <nickc@redhat.com> + + * config/mn10300/mn10300.h (CONSTANT_ADDRESS_P): Do not allow + CONST_DOUBLEs. + +2009-10-08 Andreas Tobler <a.tobler@schweiz.org> + + PR bootstrap/37739 + * config.host: Use config/x-cflags-O1 for powerpc FreeBSD. + +2009-10-07 Joseph Myers <joseph@codesourcery.com> + + PR c/41182 + * c-common.c (c_fully_fold_internal): Strip nops from the result + of recursive calls to c_fully_fold_internal. + (c_wrap_maybe_const): New. + (c_save_expr): Use c_wrap_maybe_const. + * c-common.h (c_wrap_maybe_const): Declare. + * c-typeck.c (build_conditional_expr, c_finish_stmt_expr, + build_binary_op): Use c_wrap_maybe_const. + +2009-10-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * real.c: Fix comment to reflect actual exponent size. + +2009-10-08 Ben Elliston <bje@au.ibm.com> + + * config/rs6000/a2.md: Add FSF comment header. + +2009-10-07 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/i386.md (any_extend): New code iterator. + (u, s): New code attributes. + (sgnprefix): Ditto. + (DWIH): Rewrite as code iterator for SI and DI modes. + (DWI): Rewrite as mode attribute. + (dwi): New mode attribute. + (di): Depend on SI mode and DI mode. + (doubleint_general_operand): Remove mode attribute. + + (*lea_1): Macroize insn from *lea_1_rex64 and *lea_1 patterns using + DWIH mode iterator. + + (*add<mode>3_doubleword): Use DWIH as the base mode iterator. + (*sub<mode>3_doubleword): Ditto. + + (mul<mode>3): Macroize expander from mul{hi,si,di}3 patterns + using SWIM248 mode iterator. + (*mul<mode>3_1): Macroize insn from mul{si,di}3_1 patterns + using SWI48 mode iterator. + (<u>mul<mode><dwi>3): Macroize expander from {,u}mul{sidi,diti}3 + patterns using DWIH mode iterator and any_extend code iterator. + (<u>mulqihi3): Macroize expander from {,u}mulqihi3 patterns + using any_extend code iterator. + (*<u>mul<mode><dwi>3_1): Macroize insn from {,u}mul{sidi,diti}3_1 + patterns using DWIH mode iterator and any_extend code iterator. + (*<u>mulqihi3_1): Macroize insn from {,u}mulqihi3_1 patterns + using any_extend code iterator. + (<s>mul<mode>3_highpart): Macroize expander from + {s,u}mul{si,di}3_highpart patterns using DWIH mode iterator + and any_extend code iterator. + (*<s>muldi3_highpart_1): Macroize insn from + *{s,u}muldi3_highpart_rex64 patterns using any_extend code iterator. + (*<s>mulsi3_highpart_1): Macroize insn from *{s,u}mulsi3_highpart_1 + patterns using any_extend code iterator. + (*<s>mulsi3_highpart_zext): Macroize insn from + *{s,u}mulsi3_highpart_zext patterns using any_extend code iterator. + +2009-10-07 Jakub Jelinek <jakub@redhat.com> + + * dwarf2out.c (tree_add_const_value_attribute_for_decl): Don't add + DW_AT_const_value if VAR_DIE already has DW_AT_abstract_origin + refering to a DIE with DW_AT_const_value. + +2009-10-07 Vladimir Makarov <vmakarov@redhat.com> + + PR middle-end/22072 + * ira-lives.c (check_and_make_def_conflict): Process all operands. + +2009-10-06 Jan Hubicka <jh@suse.cz> + + * cgraph.c (cgraph_node_can_be_local): Handle externally visible nodes + correctly. + +2009-10-06 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/i386.md (*lea_1_rex64, *lea_1, *lea_1_zext, + *lea_2_rex64): Move before *add<mode>_1 pattern. + +2009-10-07 Jan Hubicka <jh@suse.cz> + + * collect2.c (main): Add -fno-whole-program. + * gcc.c (set_collect_gcc_options): Do not remove whole program here. + +2009-10-07 Jan Hubicka <jh@suse.cz> + + * lto-symtab.c (lto_cgraph_replace_node): Assert that inline clones + has no address taken. + * cgraph.c (cgraph_mark_needed_node): Assert that inline clones are + never needed. + (cgraph_clone_node): Clear externally_visible flag for clones. + * cgraph.h (cgraph_only_called_directly_p, + cgraph_can_remove_if_no_direct_calls_p): New predicates. + * tree-pass.h (pass_ipa_whole_program_visibility): Declare. + * ipa-cp.c (ipcp_cloning_candidate_p): Use new predicate. + (ipcp_initialize_node_lattices, ipcp_estimate_growth, + ipcp_insert_stage): Likwise. + * cgraphunit.c (cgraph_decide_is_function_needed): Do not compute + externally_visible flag. + (verify_cgraph_node): Verify that inline clones look right. + (process_function_and_variable_attributes): Do not set + externally_visible flags. + (ipa_passes): Avoid executing small_ipa_passes at LTO stage; they've + been already run. + * lto-cgraph.c (lto_output_node): Assert that inline clones are not + boundaries. + * ipa-inline.c (cgraph_clone_inlined_nodes): Use new predicates; + clear externally_visible when turning into inline clones + (cgraph_mark_inline_edge): Use new predicates. + (cgraph_estimate_growth): Likewise. + (cgraph_decide_inlining): Likewise. + * ipa.c (cgraph_postorder): Likewise. + (cgraph_remove_unreachable_nodes): Likewise; sanity check + that inline clones are not needed. + (cgraph_externally_visible_p): New predicate. + (function_and_variable_visibility): Add whole_program parameter; + always set externally_visible flag; handle COMDAT function + privatization. + (local_function_and_variable_visibility): New function. + (gate_whole_program_function_and_variable_visibility): New function. + (whole_program_function_and_variable_visibility): New function. + (pass_ipa_whole_program_visibility): New function. + * passes.c (init_optimization_passes): Add whole program visibility + pass. + (do_per_function_toporder, function_called_by_processed_nodes_p): Do + not care about needed/reachable flags. + * varpool.c: Include flags.h + (decide_is_variable_needed): When doing LTO assume whole-program mode. + (varpool_finalize_decl): When we are in LTO read-back, all variables + are analyzed. + (varpool_analyze_pending_decls): Skip analyzis of analyzed vars. + +2009-10-07 Andreas Krebbel <Andreas.Krebbel@de.ibm.com> + + * config/s390/tpf.h (TARGET_DEFAULT): Remove MASK_HARD_FLOAT and + add MASK_HARD_DFP. + +2009-10-07 Andreas Krebbel <Andreas.Krebbel@de.ibm.com> + + * config.gcc: Don't include the makefile fragments intended for + libgcc. + * config/s390/fixdfdi.h: File removed. + * config/s390/libgcc-glibc.ver: File removed. + * config/s390/s390.h: Remove the fixdfdi.h hack. + * config/s390/t-crtstuff: File moved to libgcc dir. + * config/s390/t-linux: Likewise. + * config/s390/t-tpf: libgcc specific parts removed. + * config/s390/t-linux64: Likewise. + +2009-10-06 Jerry Quinn <jlquinn@optonline.net> + + * Makefile.in (lto-wrapper): Use COMPILER and ALL_COMPILERFLAGS. + (lto-compress.o): Likewise. + +2009-10-07 Danny Smith <dannysmith@users.sourceforge.net> + + PR target/41512 + * config/i386/winnt.c (i386_pe_determine_dllexport_p): Don't propagate + dllexport to class members here. + (i386_pe_determine_dllimport_p): Only check static class data for + definition. + (i386_pe_encode_section_info): Don't recheck DECL_DLLIMPORT_P. + * config/i386/winnt-cxx.c (i386_pe_type_dllimport_p): Only check + functions for vague linkage. + (i386_pe_type_dllexport_p): Fix formatting. + (maybe_add_dllexport) New function. + (i386_pe_adjust_class_at_definition): Use it to propagate dllexport + to class members. + +2009-10-07 Ben Elliston <bje@au.ibm.com> + + * config/rs6000/a2.md: Remove duplicated lines. + +2009-10-07 Ben Elliston <bje@au.ibm.com> + + * config.gcc (powerpc*-*-*): Handle a2. + * config/rs6000/rs6000.md (cpu): Add ppca2. Include "a2.md". + * config/rs6000/a2.md: New file. + * config/rs6000/rs6000.opt (mno-update): New. + (mupdate): Return to using a mask, not a var. + * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add support for a2. + (enum processor_type): Add PROCESSOR_PPCA2. + * config/rs6000/rs6000.c (ppca2_cost): New costs. + (rs6000_override_options): Add "a2" to processor_target_table. + Update rs6000_always_hint logic. Correctly set rs6000_cost for a2. + * doc/invoke.texi (RS/6000 and PowerPC Options): Document -mcpu=a2. + +2009-10-06 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2): + Use explicit gen_truncxfsf2 and gen_truncxfdf2 references to avoid + reference to nonexistent gen_truncxfxf2 function. + +2009-10-06 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/i386.md (SWI48, SDWIM, DWI): New mode iterators. + (DWIH, g, di, doubleint_general_operand): New mode attributes. + (general_operand): Handle TI mode. + (add<mode>3): Macroize expander from add{qi,hi,si,di,ti}3 patterns + using SDWIM mode iterator. + (*add<mode>3_doubleword): New insn_and_split pattern. Macroize + pattern from *add{di,ti}3_1 patterns and corresponding splitters + using DWI mode iterator. + (add<mode>3_carry): Macroize insn from add{qi,hi,si,di}3_carry + patterns using SWI mode iterator. + (*add<mode>3_cc): Macroize insn from add{si,di}3_cc patterns + using SWI48 mode iterator. + (*add<mode>_1): Ditto from add{si,di}_1 patterns. + (*add<mode>_2): Ditto from add{si,di}_2 patterns. + (*add<mode>_3): Ditto from add{si,di}_3 patterns. + (*add<mode>_5): Ditto from add{si,di}_5 patterns. + (sub<mode>3): Macroize expander from sub{qi,hi,si,di,ti}3 patterns + using SDWIM mode iterator. + (*sub<mode>3_doubleword): New insn_and_split pattern. Macroize + pattern from *sub{di,ti}3_1 patterns and corresponding splitters + using DWI mode iterator. + (sub<mode>3_carry): Macroize insn from sub{qi,hi,si,di}3_carry + patterns using SWI mode iterator. + (*sub<mode>_1): Ditto from from sub{qi,hi,si,di}_1 patterns. + (*sub<mode>_2): Ditto from sub{qi,hi,si,di}_2 patterns. + (*sub<mode>_3): Ditto from sub{qi,hi,si,di}_3 patterns. + (<plusminus_insn>xf3): Macroize expander from addxf3 and subxf3 + patterns using plusminus code iterator. + (<plusminus_insn><mode>3): Macroize expander from add<mode>3 and + sub<mode>3 patterns using plusminus code iterator. + * config/i386/i386.c (override_options): Update the call to + gen_subdi_carry_rex64 for renamed function. + (ix86_expand_int_addcc): Update calls to gen_subdi3_carry_rex64 + and gen_adddi3_carry_rex64 for renamed functions. Use indirect + calls to instruction expanders. + +2009-10-06 Martin Jambor <mjambor@suse.cz> + + PR bootstrap/41395 + * opts.c (decode_options): Run IPA-SRA at -O2. + +2009-10-06 Richard Guenther <rguenther@suse.de> + + * lto-symtab.c (lto_symtab_entry_hash): Hash strings, not pointers. + +2009-10-06 Tobias Burnus <burnus@net-b.de> + + PR lto/41591 + * doc/invoke.texi (-flto,-fwhole-program): Make clear that the + -flto and -fwhole-program flags can be combined. + +2009-10-06 Ryan Mansfield <rmansfield@qnx.com> + + PR driver/41217 + * gcc.c (process_command): Check that -o argument was specified. + +2009-10-06 Jerry Quinn <jlquinn@optonline.net> + + * gimple.c (gimple_type_hash): Use CONST_CAST_TREE to fix compilation. + +2009-10-05 Ralf Wildenhues <Ralf.Wildenhues@gmx.de> + + * c.opt (Wjump-misses-init): Fix typo to enable for ObjC. + * doc/invoke.texi (Warning Options): Annotate allowed languages + for -Wunsuffixed-float-constants. + +2009-10-05 Jakub Jelinek <jakub@redhat.com> + + * dwarf2out.c (modified_type_die): Don't add DW_AT_name to + DW_TAG_{const,volatile}_type if its DW_AT_type already has the + same name and isn't the main variant. + + PR debug/41558 + * dwarf2out.c (loc_by_reference): Removed. + (dw_loc_list_1): New function. + (dw_loc_list): Remove toplev argument, add want_address argument. + Don't look at decl_by_reference_p at all. Use dw_loc_list_1. + (loc_list_from_tree) <case VAR_DECL>: Pass want_address rather than + want_address == 2 to dw_loc_list. For successful dw_loc_list + set have_address to 1 only if want_address is not 0. + +2009-10-05 Richard Sandiford <rdsandiford@googlemail.com> + + * config/mips/mips-protos.h (mips_trampoline_code_size): Declare. + * config/mips/mips.h (TRAMPOLINE_SIZE): Redefine as the size of + a code block followed by two pointers. + (TRAMPOLINE_ALIGNMENT): Define to 64 for 32-bit targets too. + * config/mips/mips.c (MIPS_LOAD_PTR): New macro. + (MIPS_MOVE): Likewise. + (MIPS_LUI): Likewise. + (MIPS_JR): Likewise. + (MIPS_BAL): Likewise. + (MIPS_NOP): Likewise. + (mips_asm_trampoline_template): Delete. + (mips_trampoline_code_size): New function. + (mips_trampoline_init): Add shorter sequences for all cases + except Pmode == DImoe && !TARGET_USE_PIC_FN_ADDR_REG. + Calculate the opcodes directly, rather than copying from a template. + Only flush the code part of the trampoline. + (TARGET_ASM_TRAMPOLINE_TEMPLATE): Delete. + +2009-10-05 Richard Sandiford <rdsandiford@googlemail.com> + + * config/mips/mips.h (DWARF_FRAME_RETURN_COLUMN): Replace + GP_REG_FIRST + 31 with RETURN_ADDR_REGNUM. + (INCOMING_RETURN_ADDR_RTX): Likewise. + (FUNCTION_PROFILER): Likewise. Replace GP_REG_FIRST + 1 + with AT_REGNUM. + * config/mips/sdemtk.h (FUNCTION_PROFILER): Replace GP_REG_FIRST + 31 + with RETURN_ADDR_REGNUM. + (MIPS_SAVE_REG_FOR_PROFILING_P): Likewise. + * config/mips/mips.c (mips16_build_call_stub): Replace + GP_REG_FIRST + 31 with RETURN_ADDR_REGNUM, GP_REG_FIRST + 1 + with AT_REGNUM and 31 with RETURN_ADDR_REGNUM. + (mips_print_operand_punctuation): Likewise. + (mips_frame_set): Likewise. + (mips16e_output_save_restore): Likewise. + (mips_cfun_might_clobber_call_saved_reg_p): Likewise. + (mips_save_reg_p): Likewise. + (mips_return_addr): Likewise. + (mips_set_return_address): Likewise. + (mips_direct_save_slot_move_p): Likewise. + (mips_output_function_prologue): Likewise. + (mips_restore_reg): Likewise. + (mips_expand_epilogue): Likewise. + (mips_epilogue_uses): Likewise. + * config/mips/mips.md (RETURN_ADD_REGNUM): Define. + (*mov<mode>_ra): Use it instead of a hard-coded 31. + (clear_hazard_<mode>): Likewise. + (call_internal): Likewise. + (call_internal_direct): Likewise. + (call_direct_split): Likewise. + (call_value_internal): Likewise. + (call_value_split): Likewise. + (call_value_internal_direct): Likewise. + (call_value_direct_split): Likewise. + (call_value_multiple_internal): Likewise. + (call_value_multiple_split): Likewise. + +2009-10-05 Eric Botcazou <ebotcazou@adacore.com> + Jakub Jelinek <jakub@redhat.com> + + PR rtl-optimization/41511 + * combine.c (record_value_for_reg): Pass explicit values as argument + to get_last_value_validate. + (get_last_value_validate): Document INSN parameter. + For non-readonly MEMs, assume they might have been modified if INSN + was in another basic block. + (get_last_value): Minor reformatting. + +2009-10-05 Andrew Pinski <andrew_pinski@playstation.sony.com> + + PR tree-opt/40992 + * final.c (asm_str_count): Split out from asm_insn_count. + * rtl.h (asm_str_count): New prototype. + * tree-inline (estimate_num_insns) <case GIMPLE_ASM>: Call + asm_str_count. + +2009-10-05 Sriraman Tallam <tmsriram@google.com> + + * doc/plugins.texi: Change plugin_pass to register_pass_info. + +2009-10-05 Basile Starynkevitch <basile@starynkevitch.net> + Rafael Espindola <espindola@google.com> + + * gengtype.c (write_types): Moved call to write_func_for_structure + into seperate loops. + +2009-10-05 Richard Guenther <rguenther@suse.de> + + PR lto/41281 + * lto-cgraph.c (output_cgraph): Output toplevel asms. + (input_cgraph_1): Input toplevel asms. + +2009-10-05 Richard Guenther <rguenther@suse.de> + + PR lto/40902 + * lto-symtab.c (lto_compatible_attributes_p): Remove. + (external_aggregate_decl_p): Likewise. + (lto_symtab_compatible): Re-structure. Remove dead code. + For variables ignore toplevel qualifiers when comparing types. + Issue warnings, not errors for mismatched user-alignment. + +2009-10-05 Richard Guenther <rguenther@suse.de> + + PR lto/41552 + PR lto/41487 + * lto-symtab.c (struct lto_symtab_base_def): Remove. + (struct lto_symtab_identifier_def): Likewise. + (struct lto_symtab_decl_def): Likewise. + (struct lto_symtab_entry_def): New. + (lto_symtab_identifier_t): Rename to ... + (lto_symtab_entry_t): ... this. + (lto_symtab_decls): Remove. + (lto_symtab_base_hash): Rename to ... + (lto_symtab_entry_hash): ... this. + (lto_symtab_base_eq): Rename to ... + (lto_symtab_entry_eq): ... this. + (lto_symtab_base_marked_p): Rename to ... + (lto_symtab_entry_marked_p): ... this. + (lto_symtab_identifier_marked_p): Remove. + (lto_symtab_decl_marked_p): Likewise. + (lto_symtab_maybe_init_hash_tables): Rename to ... + (lto_symtab_maybe_init_hash_table): ... this. + (lto_symtab_set_resolution_and_file_data): Remove. + (lto_symtab_register_decl): New function. + (lto_symtab_get_identifier): Remove. + (lto_symtab_get): New function. + (lto_symtab_get_resolution): Adjust. + (lto_symtab_get_identifier_decl): Remove. + (lto_symtab_set_identifier_decl): Likewise. + (lto_symtab_merge_decl): Rename to ... + (lto_symtab_merge): ... this. Rewrite. + (lto_symtab_merge_var): Remove. + (lto_symtab_merge_fn): Likewise. + (lto_symtab_prevailing_decl): Adjust. + (lto_cgraph_replace_node): New function. + (lto_symtab_merge_decls_2): Likewise. + (lto_symtab_merge_decls_1): Likewise. + (lto_symtab_fixup_var_decls): Likewise. + (lto_symtab_resolve_symbols): Likewise. + (lto_symtab_merge_decls): Likewise. + (lto_symtab_prevailing_decl): Adjust. + (lto_symtab_get_symtab_def): Remove. + (lto_symtab_get_file_data): Likewise. + (lto_symtab_clear_resolution): Adjust. + (lto_symtab_clear_resolution): Likewise. + * lto-cgraph.c (input_edge): Do not merge cgraph nodes here. + (input_cgraph_1): Likewise. + * lto-streamer-in.c (get_resolution): Do not provide fake + symbol resolutions here. + (deferred_global_decls): Remove. + (lto_register_deferred_decls_in_symtab): Likewise. + (lto_register_var_decl_in_symtab): Change signature, register + variable via lto_symtab_register_decl. + (lto_register_function_decl_in_symtab): Likewise. + (lto_read_tree): Adjust. + * lto-streamer.h (lto_register_deferred_decls_in_symtab): Remove. + (lto_symtab_merge_var): Likewise. + (lto_symtab_merge_fn): Likewise. + (lto_symtab_register_decl): Declare. + (lto_symtab_merge_decls): Likewise. + +2009-10-05 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/23821 + * tree-vrp.c (vrp_finalize): Do not perform copy propagation. + * tree-ssa-dom.c (cprop_operand): Do not propagate copies into + simple IV increments. + +2009-10-05 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com> + + * config/arm/arm.c (arm_override_options): Really initialize + flag_dwarf2_cfi_asm to 0. + +2009-10-05 Doug Kwan <dougkwan@google.com> + + PR rtl-optimization/41574 + * combine.c (distribute_and_simplify_rtx): Quit if RTX mode is + floating point and we are not doing unsafe math optimizations. + +2009-10-03 Simon Baldwin <simonb@google.com> + Cary Coutant <ccoutant@google.com> + Rafael Espindola <espindola@google.com> + Richard Guenther <rguenther@suse.de> + Jan Hubicka <jh@suse.cz> + Doug Kwan <dougkwan@google.com> + H.J. Lu <hongjiu.lu@intel.com> + Bill Maddox <maddox@google.com> + Ryan Mansfield <rmansfield@qnx.com> + Diego Novillo <dnovillo@google.com> + Ollie Wild <aaw@google.com> + Kenneth Zadeck <zadeck@naturalbridge.com> + + * lto-cgraph.c: New file. + * lto-compress.c: New file. + * lto-compress.h: New file. + * lto-opts.c: New file. + * lto-section-in.c: New file. + * lto-section-out.c: New file. + * lto-streamer-in.c: New file. + * lto-streamer-out.c: New file. + * lto-streamer.c: New file. + * lto-streamer.h: New file. + * lto-symtab.c: New file. + * lto-wpa-fixup.c: New file. + * lto-wrapper.c: New file. + +2009-10-03 Simon Baldwin <baldwin@google.com> + Ben Elliston <bje@au.ibm.com> + Rafael Espindola <espindola@google.com> + Nathan Froyd <froydnj@codesourcery.com> + Jan Hubicka <jh@suse.cz> + Doug Kwan <dougkwan@google.com> + Diego Novillo <dnovillo@google.com> + Kenneth Zadeck <zadeck@naturalbridge.com> + + * Makefile.in (enable_lto): New. + (site.exp): If @enable_lto@ is set to 'yes' define ENABLE_LTO. + (LINKER_PLUGIN_API_H): Define. + (LTO_SYMTAB_H): Define. + (LTO_STREAMER_H): Define. + (TREE_VECTORIZER_H): Define. + (INCLUDES): Add LIBELFINC. + (OBJS-common): Add lto-cgraph.o, lto-streamer-in.o, + lto-streamer-out.o, lto-section-in.o, lto-section-out.o, lto-symtab.o, + lto-opts.o, lto-streamer.o, lto-wpa-fixup.o, lto-compress.o. + (MOSTLYCLEANFILES): Add lto-wrapper$(exeext) + (native): Add lto-wrapper$(exeext) + (lto-compress.o, lto-cgraph.o, lto-streamer-in.o, + lto-streamer-out.o, lto-section-in.o, lto-section-out.o, + lto-symtab.o, lto-opts.o, lto-streamer.o, lto-wpa-fixup.o): New rules. + (gimple.o): Add dependency on LTO_HEADER_H and LTO_SECTION_OUT_H. + (varasm.o): Add dependency on tree-iterator.h. + (cgraph.o): Add dependency on cif-code.def. + (ipa-reference.o): Add dependency on LTO_STREAMER_H. + (ipa-pure-const.o): Likewise. + (GTFILES): Add lto-symtab.c. + (install-lto-wrapper): New. + * configure.ac: If 'lto' is in enable_languages, define ENABLE_LTO + and enable_lto. If LIBELFLIBS is set, define HAVE_libelf. + * config.in: Regenerate. + +2009-10-03 Rafael Espindola <espindola@google.com> + Diego Novillo <dnovillo@google.com> + + * cgraphunit.c (ipa_passes): Prevent lto1 from calling + ipa_write_summaries. + Call execute_ipa_summary_passes for all_regular_ipa_passes and + all_lto_gen_passes. + (cgraph_optimize): Make extern. + +2009-10-03 Nathan Froyd <froydnj@codesourcery.com> + Kenneth Zadeck <zadeck@naturalbridge.com> + + * toplev.c (in_lto_p): Declare. + * collect2.c (scan_prog_file): Read all the output when reading + information for LTO. + (enum lto_mode_d): Declare. + +2009-10-03 Richard Guenther <rguenther@suse.de> + Diego Novillo <dnovillo@google.com> + + * gimple.c: Include target.h and alias.h. + (gimple_types): Declare. + (type_hash_cache): Declare. + (gimple_alloc_stat): Make extern. + (gimple_build_eh_must_not_throw): Call + gimple_eh_must_not_throw_set_fndecl. + (struct type_pair_d): Declare. + (type_pair_t): Declare. + (type_pair_hash): New. + (type_pair_eq): New. + (lookup_type_pair): New. + (gimple_force_type_merge): New. + (compare_type_names_p): New. + (compare_field_offset): New. + (gimple_types_compatible_p): New. + (struct sccs): Declare. + (next_dfs_num): Declare. + (iterative_hash_gimple_type): New. + (visit): New. + (iterative_hash_type_name): New. + (iterative_hash_gimple_type): New. + (gimple_type_hash): New. + (gimple_type_eq): New. + (gimple_register_type): New. + (print_gimple_types_stats): New. + (gimple_signed_or_unsigned_type): New. + (gimple_unsigned_type): New. + (gimple_signed_type): New. + (gimple_get_alias_set): New. + (gimple_decl_printable_name): Do not use DMGL_TYPES. + * gimple.h (gimple_alloc, gimple_alloc_stat): Declare. + (gimple_force_type_merge): Declare. + (gimple_types_compatible_p): Declare. + (gimple_register_type): Declare. + (print_gimple_types_stats): Declare. + (gimple_unsigned_type): Declare. + (gimple_signed_type): Declare. + (gimple_get_alias_set): Declare. + (gimple_eh_must_not_throw_set_fndecl): New. + +2009-10-03 Jan Hubicka <jh@suse.cz> + Kenneth Zadeck <zadeck@naturalbridge.com> + + * ipa-pure-const.c: Include lto-streamer.h. + (register_hooks): Factor out of ... + (generate_summary): ... here. + (pure_const_write_summary): New. + (pure_const_read_summary): New. + (pass_ipa_pure_const): Add pure_const_write_summary and + pure_const_read_summary. + * ipa-reference.c: Include lto-streamer.h. + (add_new_function): New. + (remove_node_data): New. + (duplicate_node_data): New. + (ipa_init): Guard against multiple calls. + Move hook setup from analyze_function. + (write_node_summary_p): New. + (ipa_reference_write_summary): New. + (ipa_reference_read_summary): New. + (pass_ipa_reference): Add ipa_reference_write_summary and + ipa_reference_read_summary. + * cgraph.h (cgraph_local_info): Add field lto_file_data. + (struct cgraph_edge): Add fields lto_stmt_uid and + call_stmt_cannot_inline_p. + (cgraph_optimize): Declare. + (cgraph_decide_is_function_needed): Declare. + (reset_inline_failed): Declare. + (enum LTO_cgraph_tags): Declare. + (LTO_cgraph_tag_names): Declare. + (LCC_NOT_FOUND): Define. + +2009-10-03 Doug Kwan <dougkwan@google.com> + Rafael Espindola <espindola@google.com> + Jan Hubicka <jh@suse.cz> + Diego Novillo <dnovillo@google.com> + Kenneth Zadeck <zadeck@naturalbridge.com> + + * passes.c (all_regular_ipa_passes): New. + (all_ipa_passes): Rename to all_small_ipa_passes. + (init_optimization_passes): Init all_regular_ipa_passes. + * tree-pass.h (all_regular_ipa_passes): New. + (all_ipa_passes): Rename to all_small_ipa_passes. + * passes.c (all_lto_gen_passes): New. + (init_optimization_passes): Initialize all_lto_gen_passes. + (execute_ipa_summary_passes): Make non-static. + (ipa_write_summaries_1): New. + (ipa_write_summaries_2): New. + (ipa_write_summaries): New. + (ipa_write_summaries_of_cgraph_node_set): New. + (ipa_read_summaries_1): New. + (ipa_read_summaries): New. + (execute_ipa_pass_list): Call cgraph_process_new_functions. + (execute_regular_ipa_pass_list): Remove. + (init_optimization_passes): Schedule + pass_rebuild_cgraph_edges and pass_early_inline outside + of pass_all_early_optimizations. Document reason. + (pass_ipa_lto_gimple_out, pass_ipa_lto_wpa_fixup, + pass_ipa_lto_finish_out): New pass. + (pass_ipa_summary_passes): Start and stop timers if the pass has them. + (execute_all_ipa_transforms): New. + (execute_one_pass): Don't call execute_one_ipa_transform_pass. + (dump_properties, debug_properties): New. + * tree-optimize.c (gate_all_early_local_passes): Return + false if we are in lto1. + (tree_rest_of_compilation): Call execute_all_ipa_transforms. + * tree-pass.h (execute_all_ipa_transforms): Declare. + (pass_ipa_function_and_variable_visibility): Declare. + (pass_ipa_early_inline): Declare. + (pass_ipa_lto_gimple_out): Declare. + (pass_ipa_lto_wpa_fixup): Declare. + (pass_ipa_lto_finish_out): Declare. + (all_small_ipa_passes, all_regular_ipa_passes, + all_lto_gen_passes): Declare. + (execute_ipa_summary_passes): Declare. + (execute_all_ipa_transforms): Declare. + (ipa_write_summaries): Declare + (ipa_write_summaries_of_cgraph_node_set): Declare. + (ipa_read_summaries): Declare. + +2009-10-03 Doug Kwan <dougkwan@google.com> + Ollie Wild <aaw@google.com> + + * ipa-prop.c (ipa_propagate_indirect_call_infos): Do nothing in WPA. + + * collect2.c (LTO_MODE_NONE, LTO_MODE_LTO, LTO_MODE_WPA): New enums. + (lto_mode): New variable. + (maybe_run_lto_and_relink): Handle the -fwpa option. + (main): Handle the -fwpa option. + (maybe_unlink_list): New function. + * gcc.c (link_lto_options): Replace -flto with -fwpa. + * common.opt (flto): New flag. + * toplev.c (flag_generate_lto): Declare. + +2009-10-03 Simon Baldwin <simonb@google.com> + + * common.opt (flto-compression-level): New flag. + + * opts.c: Include lto-opts.h. + (handle_option): Call lto_register_user_option for each + valid option handled. + (decode_options): Clear registered options before the options + handling loop. + +2009-10-03 Cary Coutant <ccoutant@google.com> + + * collect2.c (is_elf): New function. + (scan_prog_file): Require LTO object to be in ELF format. + +2009-10-03 Rafael Espindola <espindola@google.com> + + * gcc.c (LINK_COMMAND_SPEC): Use the -pass-through option to pass + libgcc to the linker. + + * ipa-cp.c (cgraph_gate_cp): Return false if LTRANS is running. + + * collect2.c (maybe_run_lto_and_relink): Execute lto-wrapper. + (collect_execute): Add flags argument. Pass flags to pex_run. Update + all callers. + * collect2.h (collect_execute): Add flags argument. + * tlink.c (tlink_execute): Update call to collect_execute. + * gcc.c (main): Set the COLLECT_LTO_WRAPPER environment variable. + (use_linker_plugin): New. + (use_linker_plugin_spec_function): New. + (LINK_COMMAND_SPEC): Pass plugin options to the linker. + (linker_plugin_file_spec): New. + (lto_wrapper_spec): New. + (lto_gcc_spec): New. + (static_specs): Add linker_plugin_file, lto_wrapper and lto_gcc. + (static_spec_functions): Add use-linker-plugin. + (process_command): Handle -use-linker-plugin. + (main): Use lto_wrapper_spec instead of lto_wrapper. Set + linker_plugin_file_spec and lto_gcc_spec. + (use_linker_plugin_spec_function): New. + +2009-10-03 Richard Guenther <rguenther@suse.de> + + PR lto/41547 + PR lto/41548 + * tree.h (is_lang_specific): Include LANG_TYPE. + * tree.c (find_decls_types_r): Manually add interesting parts + of TYPE_FIELDS. Walk BINFO_VIRTUALS. Do not walk TYPE_METHODS. + + * gimple.c (type_pair_hash): Make symmetric. + (type_pair_eq): Likewise. + (lookup_type_pair): Increase initial hashtable size. + (gimple_force_type_merge): Rely on type-pair symmetry. + (visit): Remove excessive checking code. + (iterative_hash_type_name): Do not hash TYPE_NAME of anonymous unions. + (gimple_register_type): Remove getenv calls, shrink initial + hashtable size. + + PR middle-end/41502 + * cgraphunit.c (ipa_passes): Do not remove bodies of extern + inline functions if not generating lto output. + + PR lto/41379 + * toplev.c (finalize): In WPA mode remove the asm file. + +2009-10-03 Doug Kwan <dougkwan@google.com> + + * ipa-inline.c (cgraph_mark_inline): Check + edge->call_stmt_cannot_inline_p instead of calling + gimple_call_cannot_inline_p. + (cgraph_decide_inlining): Do nothing in WPA and LTRANS. + (cgraph_gate_ipa_early_inlining): Return false if in_lto_p is set. + (inline_generate_summary): Do nothing in LTRANS. + * cgraph.c (initialize_inline_failed): Make sure e->call_stmt + exists before calling gimple_call_cannot_inline_p. + (cgraph_create_edge): Set edge->call_stmt_cannot_inline_p. + (cgraph_clone_edge): Add argument STMT_UID. Modify all callers. + Update new_edge->lto_stmt_uid. + * cgraphbuild.c (reset_inline_failed): New. + + * common.opt (fwpa): New flag. + (fltrans): New option. + * gcc.c (gcc_lto_option_t): New type. + (current_lto_option): New variable. + (lto_single_spec_function): Remove and is replaced by .. + (lto_option_spec_function): New function. + (LINK_COMMAND_SPEC): Use link_lto_option spec instead of just + passing the -flto flag. + (cc1_options): Separate non-LTO related parts into .. + (cc1_non_lto_options): Non-LTO related options shared by all FEs. + (lto1_options): New spec for lto FE. + (link_lto_options): New spec for handling LTO flags in linker. + (invoke_lto_single): Re-format to fit in 80 column. Replace + lto-single with lto-option. + (static_specs): Add cc1_non_lto_options, lto1_options and + link_lto_options. + (static_spec_function): Replace lto-single with lto-option. + (process_command): Handle -flto, -fwpa and -fltran by setting + current_lto_option and not passing it to subprocess unconditionally. + +2009-10-03 Bill Maddox <maddox@google.com> + + Add `gcc' driver support for link-time code generation (LTO). + + * collect2.c (enum pass): Add new literal PASS_LTOINFO. + (lto_flag, lto_objects, lto_o_file): New variables. + (struct lto_object, struct lto_object_list): New structures. + (collect_exit, handler): Remove LTO temporary output file on exit. + (add_lto_object): New function. + (maybe_run_lto_and_relink): New function. Perform link time code + generation and relinking for object files containing LTO information. + (main): Invoke maybe_run_lto_and_relink(). + (dump_argv): New function. For debugging, currently disabled. + (scan_prog_file): Add LTO information pass. + * gcc.c (LINK_COMMAND_SPEC): Pass `-flto' switch to linker, i.e., + collect2. + * toplev.c (compile_file): Emit assembler directive to create + the `gnu_lto_v1' marker symbol when compiling with `-flto'. + +2009-10-03 Diego Novillo <dnovillo@google.com> + + * c.opt: Add LTO to warn_abi and warn_psabi. + + * tree.c (fld_worklist_push): Rename from PUSH. Convert to static + inline function. Ignore language-specific nodes. Update all users. + (find_decls_types_r): Do not traverse the subtrees of + language-specific nodes. Do not traverse DECL_INITIAL for TYPE_DECLs. + * tree.h (is_lang_specific): New. + * langhooks.h (struct lang_hooks_for_decls): Remove + may_need_assembler_name_p. Update all users. + + * c-common.c (set_builtin_user_assembler_name): Move ... + * builtins.c (set_builtin_user_assembler_name): ... here. + (is_builtin_name): Add comment + (is_builtin_fn): New. + * except.c (output_ttype): Only call + lookup_type_for_runtime if TYPE is not a runtime type. + + * passes.c (register_pass): Call position_pass on + all_small_ipa_passes, all_regular_ipa_passes and all_lto_gen_passes. + * timevar.def (TV_IPA_LTO_GIMPLE_IO): Define. + (TV_IPA_LTO_DECL_IO): Define. + (TV_IPA_LTO_CGRAPH_IO): Define. + (TV_LTO): Define. + (TV_WHOPR_WPA): Define. + (TV_WHOPR_WPA_IO): Define. + (TV_WHOPR_LTRANS): Define. + (TV_WHOPR_WPA_FIXUP): Define. + (TV_WHOPR_WPA_LTRANS_EXEC): Define. + * tree-cfg.c (tree_node_can_be_shared): Make extern. + * tree-flow.h (tree_node_can_be_shared): Declare. + * tree-inline.c (tree_can_inline_p): Check that E has a + statement associated with it. + * tree.c (free_lang_data_in_binf): Factor out of ... + (free_lang_data_in_type): ... here. + Call RECORD_OR_UNION_TYPE_P. + (need_assembler_name_p): Ignore DECL if it does not have TREE_PUBLIC + set. Call lang_hooks.decls.may_need_assembler_name_p if set. + (free_lang_data_in_decl): Do not clear DECL_CONTEXT for CONST_DECLs. + (free_lang_data): Set debug_info_level to DINFO_LEVEL_NONE. Set + write_symbols to NO_DEBUG. Set debug_hooks to do_nothing_debug_hooks. + (gate_free_lang_data): Return true if flag_generate_lto is set. + (walk_tree_1): Call RECORD_OR_UNION_TYPE_P. + * c-common.h (set_builtin_user_assembler_name): Move ... + * tree.h (set_builtin_user_assembler_name): ... here. + + * common.opt (flto-report): New flag. + * opts.c (complain_wrong_lang): Do not complain if running lto1. + * collect2.c (scan_prog_file): Send the error output of + 'nm' to HOST_BIT_BUCKET. + +2009-10-03 Ollie Wild <aaw@google.com> + + * langhooks-def.h (lhd_begin_section): New function declaration. + (lhd_write_section): New function declaration. + (lhd_end_section): New function declaration. + (LANG_HOOKS_BEGIN_SECTION): New macro. + (LANG_HOOKS_WRITE_SECTION_DATA): New macro. + (LANG_HOOKS_END_SECTION): New macro. + (LANG_HOOKS_LTO): New macro. + (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_LTO. + * langhooks.c (output.h): Add include. + (saved_section): New static variable. + (lhd_begin_section): New function. + (lhd_write_section_data): New function. + (lhd_end_section): New function. + * langhooks.h (struct lang_hooks_for_lto): New structure. + (struct lang_hooks): Add member lto. + * Makefile.in (langhooks.o): Add dependency on output.h. + + * c-opts.c (c_common_post_options): Handle -flto and -fwhopr. + +2009-10-03 Richard Guenther <rguenther@suse.de> + + * config/rs6000/rs6000.c (rs6000_output_function_epilogue): + Handle LTO. + +2009-10-03 Simon Baldwin <simonb@google.com> + Richard Guenther <rguenther@suse.de> + Janis Johnson <janis187@us.ibm.com> + Doug Kwan <dougkwan@google.com> + Diego Novillo <dnovillo@google.com> + Ramana Radhakrishnan <ramana.r@gmail.com> + Ollie Wild <aaw@google.com> + + * doc/install.texi: Add documentation for libelf and --enable-lto. + * doc/invoke.texi: Document -fwpa, -flto, -fwhopr, -fltrans, + -flto-report, -flto-compression-level and -use-linker-plugin. + * doc/sourcebuild.texi: Document use of zlib. Document lto-plugin. + Add section for LTO Testing. + +2009-10-02 Cary Coutant <ccoutant@google.com> + + Add support for comdat type sections for DWARF v4. + Merge from dwarf4 branch. + + * dwarf2out.c (DWARF_TYPE_SIGNATURE_SIZE): New constant. + (dw_die_ref): Define vector type. + (enum dw_val_class): Add dw_val_class_data8. + (struct dw_val_struct): Add v.val_data8. + (comdat_type_node_ref): New type. + (struct die_struct): Move die_symbol into a union; add new field + die_type_node. Change all uses. + (comdat_type_node): New type. + (skeleton_chain_node): New type. + (DWARF_COMDAT_TYPE_UNIT_HEADER_SIZE): New constant. + (comdat_type_list): New variable. + (dwarf_tag_name): Add DW_TAG_type_unit. + (dwarf_attr_name): Add DW_AT_signature. + (add_AT_data8): New function. + (replace_child): New function. + (move_all_children): New function. + (print_signature): New function. + (print_die): Print signature information; add dw_val_class_data8. + (attr_checksum): Support dw_val_class_data8. + (CHECKSUM_STRING): Redefine for DWARF-4 to include trailing NULL byte. + (CHECKSUM_SLEB128, CHECKSUM_ULEB128): New macros. + (checksum_sleb128, checksum_uleb128): New functions. + (checksum_die_context): New function. + (loc_checksum_ordered): New function. + (attr_checksum_ordered): New function. + (struct checksum_attributes): New structure. + (collect_checksum_attributes): New function. + (die_checksum_ordered): New function. + (generate_type_signature): New function. + (same_dw_val_p): Add dw_val_class_data8. + (is_symbol_die): Use new is_declaration_die function. + (is_declaration_die): New function. + (should_move_die_to_comdat): New function. + (clone_die): New function. + (clone_tree): New function. + (clone_as_declaration): New function. + (copy_declaration_context): New function. + (generate_skeleton_ancestor_tree): New function. + (generate_skeleton_bottom_up): New function. + (generate_skeleton): New function. + (remove_child_or_replace_with_skeleton): New function. + (break_out_comdat_types): New function. + (struct decl_table_entry): New type. + (htab_decl_hash): New function. + (htab_decl_eq): New function. + (htab_decl_del): New function. + (copy_ancestor_tree): New function. + (copy_decls_walk): New function. + (copy_decls_for_unworthy_types): New function. + (build_abbrev_table): Don't assert on missing die_symbol when doing + comdat type sections. + (size_of_die): Use DW_FORM_sig8 for external references. Add + dw_val_class_data8. + (unmark_dies): Don't assert for unmarked dies when doing comdat + type sections. + (value_format): Support DW_FORM_sig8 and dw_val_class_data8. + (output_signature): New function. + (output_die): Likewise. + (output_compilation_unit_header): Mark output as DWARF version 3 + even if generating DWARF 4. + (output_comdat_type_unit): New function. + (output_line_info): Mark output as DWARF version 3 even if generating + DWARF 4. + (dwarf2out_start_source_file): Don't do eliminate_dwarf2_dups with + DWARF-4. + (dwarf2out_end_source_file): Likewise. + (prune_unused_types_walk_attribs): Don't follow references into + comdat type sections. + (prune_unused_types_mark): When generating type units, do not mark + children of non-defining declarations of types; do mark children of + type entries. + (prune_unused_types): Process comdat type sections. + (htab_ct_hash): New function. + (htab_ct_eq): New function. + (dwarf2out_finish): Move types to comdat sections when using DWARF-4. + Add a pointer to the line table from type unit entries so + DW_AT_decl_file has meaning. + * varasm.c (default_elf_asm_named_section): Use identifier name as + comdat key instead of lang hook. + +2009-10-02 Neil Vachharajani <nvachhar@google.com> + + * gcov-io.c (gcov_open): Open files read-only when MODE < 0. + +2009-10-02 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/i386.md (SWIM248): New mode iterator. + (divmod<mode>4) Macroize expander from divmoddi4, divmodsi4 and + divmodhi4 patterns using SWIM248 macro. + (*divmod<mode>4): Macroize insn_and_split pattern from + *divmoddi4_cltd_rex64, *divmodsi4_cltd and divmodhi4 insn patterns + and their corresponding splitters usign SWIM248 macro. Split SImode + insn to generate cltd and DImode insn to generate cqto instead of + move+shift when optimizing for size or TARGET_USE_CLTD is in effect. + (*divmoddi4_nocltd_rex64, *divmodsi4_nocltd): Remove insn patterns. + (*divmod<mode>4_noext): Macroize insn from *divmoddi_noext_rex64 and + *divmodsi_noext patterns using SWIM248 macro. + (udivmod<mode>4): Macroize expander from udivmoddi4, udivmodsi4 and + udivmodhi4 patterns using SWIM248 macro. + (*udivmod<mode>4): Macroize insn_and_split pattern from + *udivmoddi4, udivmodsi4 and udivmodhi4 patterns and their + corresponding splitters using SWIM248 macro. + (*udivmod<mode>4_noext): Macroize insn from *udivmoddi4_noext, + *udivmodsi4_noext and *udivmodhi_noext patterns using SWIM248 macro. + +2009-10-02 Eric Botcazou <ebotcazou@adacore.com> + + * stor-layout.c (layout_type) <ARRAY_TYPE>: Make sure that an array + of zero-sized element is zero-sized regardless of its extent. + +2009-10-02 Jakub Jelinek <jakub@redhat.com> + + PR debug/40521 + * configure.ac (HAVE_GAS_CFI_SECTIONS_DIRECTIVE): New test. + * configure: Regenerated. + * config.in: Regenerated. + * dwarf2out.c (dwarf2out_do_cfi_asm): Return false if + !HAVE_GAS_CFI_SECTIONS_DIRECTIVE and not emitting .eh_frame. + (dwarf2out_init): If HAVE_GAS_CFI_SECTIONS_DIRECTIVE and + not emitting .eh_frame, emit .cfi_sections .debug_frame + directive. + + PR debug/41404 + PR debug/41353 + * cfgexpand.c (expand_debug_expr) <case STRING_CST>: Don't create + CONST_STRING if STRING_CST contains embedded '\0's or doesn't end + with '\0'. + (expand_debug_expr) <case VAR_DECL>: For TREE_STATIC !DECL_EXTERNAL + vars use DECL_RTL with resetting it back to NULL afterwards. + * dwarf2out.c (same_dw_val_p): For dw_val_class_addr compare with + rtx_equal_p instead of asserting it is a SYMBOL_REF. + (value_format): For dw_val_class_addr only use DW_FORM_addr if + the attribute type allows it, otherwise use DW_FORM_dataN. + (mem_loc_descriptor): Handle CONST_STRING. + (add_const_value_attribute): Handle CONST_STRING using add_AT_addr. + Handle MEM with CONST_STRING address using add_AT_string. + (rtl_for_decl_init): Return MEM with CONST_STRING address instead of + CONST_STRING for const arrays initialized with a string literal. + (resolve_one_addr, resolve_addr_in_expr, resolve_addr): New functions. + (dwarf2out_finish): Call resolve_addr. + +2009-10-02 Andreas Schwab <schwab@linux-m68k.org> + Maxim Kuvyrkov <maxim@codesourcery.com> + + * config/m68k/lb1sf68.asm (PICCALL): Use variable sized branch. + +2009-10-02 Nick Clifton <nickc@redhat.com> + + * config/mn10300/mn10300.h (USER_LABEL_PREFIX): Define. + (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U. + +2009-10-01 Jan Hubicka <jh@suse.cz> + + * cgraph.c (cgraph_clone_node): Add redirect_callers parameter. + (cgraph_create_virtual_clone): Just pass redirect_callers + around. + * cgraph.h (cgraph_clone_node): Update prototype. + * ipa-pure-const.c (self_recursive_p): New function. + (propagate): Use it. + * ipa-inline.c (cgraph_clone_inlined_nodes, + cgraph_decide_recursive_inlining): Update. + +2009-10-01 David Daney <ddaney@caviumnetworks.com> + + * gcc/config/mips/mips.c (mips_process_sync_loop) Emit syncw + instructions for TARGET_OCTEON. + +2009-10-01 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com> + + * config/arm/arm.c (arm_override_options): Turn off + flag_dwarf2_cfi_asm for AAPCS variants. + +2009-10-01 Martin Jambor <mjambor@suse.cz> + + PR middle-end/12392 + * tree-sra.c (convert_callers): Do not call + compute_inline_parameters on one caller more than once. + +2009-10-01 Nick Clifton <nickc@redhat.com> + + * config/vax/netbsd-elf.h (NETBSD_CC1_AND_CC1PLUS_SPEC): Define as + an empty string if not already defined. + +2009-10-01 Martin Jambor <mjambor@suse.cz> + + PR bootstrap/41395 + * tree-sra.c (is_va_list_type): New function. + (find_var_candidates): Call is_va_list_type. + (find_param_candidates): Check that the type or the type pointed + to are not va_list types. + +2009-10-01 Martin Jambor <mjambor@suse.cz> + + PR c++/41503 + * cp/pt.c (function_parameter_expanded_from_pack_p): Return false if + DECL_ARTIFICIAL (param_decl) is true. + +2009-09-30 Gabriel Dos Reis <gdr@cs.tamu.edu> + + * tree.h (tree_decl_common::lang_flag_8): New. + * c-common.c (c_common_reswords): Include "constexpr" as C++0x + keyword. + * c-common.h (RID_CONSTEXPR): New. + +2009-09-30 Uros Bizjak <ubizjak@gmail.com> + + * config/alpha/alpha.c (alpha_gimplify_va_arg_1): + Use ref-all pointers. + (alpha_gimplify_va_arg): Ditto. + +2009-09-30 Jakub Jelinek <jakub@redhat.com> + + PR target/41279 + * cfgloopanal.c (num_loop_insns): Don't increment ninsns for each bb + before insn counting loop now that BB_END (bb) is counted. Ensure + the return value isn't zero. + +2009-09-30 Nick Clifton <nickc@redhat.com> + + * config.gcc (sh-symbianelf): Replace definition of extra_objs + with separate definitions of c_target_objs and cxx_target_objs. + * config/sh/t-sh: Add rules to build symbian-cxx.o, symbian-c.o + and symbian-base.o. + * config/sh/sh.c (TARGET_CXX_INPUT_EXPORT_CLASS): Use + sh_symbian_import_export_class. + * config/sh/sh-protos.h: Fix names of exported symbian functions. + * config/sh/symbian.c: Delete, moving code into... + * config/sh/symbian-base.c: ... here + * config/sh/symbian-c.c: ... and here + * config/sh/symbian-cxx.c: ... and here. + +2009-09-30 Uros Bizjak <ubizjak@gmail.com> + + PR target/22093 + * config/alpha/alpha.md (unaligned_storehi_be): Force operand + of plus RTX into register. + +2009-09-30 Ralf Wildenhues <Ralf.Wildenhues@gmx.de> + + * doc/install.texi: Linguistic and markup fixes. + (Configuration) <--disable-cpp>: Remove description. + <--enable-maintainer-mode>: Autotools files are affected, too. + <--with-sysroot>: Improve description. + (Building): Bump required GNU make version. + +2009-09-29 Harsha Jagasia <harsha.jagasia@amd.com> + + * config.gcc (i[34567]86-*-*): Include fma4intrin.h. + (x86_64-*-*): Ditto. + + * config/i386/fma4intrin.h: New file, provide common x86 compiler + intrinisics for FMA4. + * config/i386/cpuid.h (bit_FMA4): Define FMA4 bit. + * config/i386/x86intrin.h: Fix typo to SSE4A instead of SSE4a. + Add FMA4 check and fma4intrin.h. + * config/i386/i386-c.c(ix86_target_macros_internal): Check + ISA_FLAG for FMA4. + * config/i386/i386.h(TARGET_FMA4): New macro for FMA4. + * config/i386/i386.md (UNSPEC_FMA4_INTRINSIC): Add new UNSPEC + constant for FMA4 support. + (UNSPEC_FMA4_FMADDSUB): Ditto. + (UNSPEC_FMA4_FMSUBADD): Ditto. + * config/i386/i386.opt (-mfma4): New switch for FMA4 support. + * config/i386/i386-protos.h (ix86_fma4_valid_op_p): Add declaration. + (ix86_expand_fma4_multiple_memory): Ditto. + * config/i386/i386.c (OPTION_MASK_ISA_FMA4_SET): New. + (OPTION_MASK_ISA_FMA4_UNSET): New. + (OPTION_MASK_ISA_SSE4A_UNSET): Change definition to depend on FMA4. + (OPTION_MASK_ISA_AVX_UNSET): Change definition to depend on FMA4. + (ix86_handle_option): Handle -mfma4. + (isa_opts): Handle -mfma4. + (enum pta_flags): Add PTA_FMA4. + (override_options): Add FMA4 support. + (IX86_BUILTIN_VFMADDSS): New for FMA4 intrinsic. + (IX86_BUILTIN_VFMADDSD): Ditto. + (IX86_BUILTIN_VFMADDPS): Ditto. + (IX86_BUILTIN_VFMADDPD): Ditto. + (IX86_BUILTIN_VFMSUBSS): Ditto. + (IX86_BUILTIN_VFMSUBSD): Ditto. + (IX86_BUILTIN_VFMSUBPS): Ditto. + (IX86_BUILTIN_VFMSUBPD): Ditto. + (IX86_BUILTIN_VFMADDSUBPS): Ditto. + (IX86_BUILTIN_VFMADDSUBPD): Ditto. + (IX86_BUILTIN_VFMSUBADDPS): Ditto. + (IX86_BUILTIN_VFMSUBADDPD): Ditto. + (IX86_BUILTIN_VFNMADDSS): Ditto. + (IX86_BUILTIN_VFNMADDSD): Ditto. + (IX86_BUILTIN_VFNMADDPS): Ditto. + (IX86_BUILTIN_VFNMADDPD): Ditto. + (IX86_BUILTIN_VFNMSUBSS): Ditto. + (IX86_BUILTIN_VFNMSUBSD): Ditto. + (IX86_BUILTIN_VFNMSUBPS): Ditto. + (IX86_BUILTIN_VFNMSUBPD): Ditto. + (IX86_BUILTIN_VFMADDPS256): Ditto. + (IX86_BUILTIN_VFMADDPD256): Ditto. + (IX86_BUILTIN_VFMSUBPS256): Ditto. + (IX86_BUILTIN_VFMSUBPD256): Ditto. + (IX86_BUILTIN_VFMADDSUBPS256): Ditto. + (IX86_BUILTIN_VFMADDSUBPD256): Ditto. + (IX86_BUILTIN_VFMSUBADDPS256): Ditto. + (IX86_BUILTIN_VFMSUBADDPD256): Ditto. + (IX86_BUILTIN_VFNMADDPS256): Ditto. + (IX86_BUILTIN_VFNMADDPD256): Ditto. + (IX86_BUILTIN_VFNMSUBPS256): Ditto. + (IX86_BUILTIN_VFNMSUBPD256): Ditto. + (enum multi_arg_type): New enum for describing the various FMA4 + intrinsic argument types. + (bdesc_multi_arg): New table for FMA4 intrinsics. + (ix86_init_mmx_sse_builtins): Add FMA4 intrinsic support. + (ix86_expand_multi_arg_builtin): New function for creating FMA4 + intrinsics. + (ix86_expand_builtin): Add FMA4 intrinsic support. + (ix86_fma4_valid_op_p): New function to validate FMA4 3 and 4 + operand instructions. + (ix86_expand_fma4_multiple_memory): New function to split the + second memory reference from FMA4 instructions. + * config/i386/sse.md (ssemodesuffixf4): New mode attribute for FMA4. + (ssemodesuffixf2s): Ditto. + (fma4_fmadd<mode>4): Add FMA4 floating point multiply/add + instructions. + (fma4_fmsub<mode>4): Ditto. + (fma4_fnmadd<mode>4): Ditto. + (fma4_fnmsub<mode>4): Ditto. + (fma4_vmfmadd<mode>4): Ditto. + (fma4_vmfmsub<mode>4): Ditto. + (fma4_vmfnmadd<mode>4): Ditto. + (fma4_vmfnmsub<mode>4): Ditto. + (fma4_fmadd<mode>4256): Ditto. + (fma4_fmsub<mode>4256): Ditto. + (fma4_fnmadd<mode>4256): Ditto. + (fma4_fnmsub<mode>4256): Ditto. + (fma4_fmaddsubv8sf4): Ditto. + (fma4_fmaddsubv4sf4): Ditto. + (fma4_fmaddsubv4df4): Ditto. + (fma4_fmaddsubv2df4): Ditto. + (fma4_fmsubaddv8sf4): Ditto. + (fma4_fmsubaddv4sf4): Ditto. + (fma4_fmsubaddv4df4): Ditto. + (fma4_fmsubaddv2df4): Ditto. + (fma4i_fmadd<mode>4): Add FMA4 floating point multiply/add + instructions for intrinsics. + (fma4i_fmsub<mode>4): Ditto. + (fma4i_fnmadd<mode>4): Ditto. + (fma4i_fnmsub<mode>4): Ditto. + (fma4i_vmfmadd<mode>4): Ditto. + (fma4i_vmfmsub<mode>4): Ditto. + (fma4i_vmfnmadd<mode>4): Ditto. + (fma4i_vmfnmsub<mode>4): Ditto. + (fma4i_fmadd<mode>4256): Ditto. + (fma4i_fmsub<mode>4256): Ditto. + (fma4i_fnmadd<mode>4256): Ditto. + (fma4i_fnmsub<mode>4256): Ditto. + (fma4i_fmaddsubv8sf4): Ditto. + (fma4i_fmaddsubv4sf4): Ditto. + (fma4i_fmaddsubv4df4): Ditto. + (fma4i_fmaddsubv2df4): Ditto. + (fma4i_fmsubaddv8sf4): Ditto. + (fma4i_fmsubaddv4sf4): Ditto. + (fma4i_fmsubaddv4df4): Ditto. + (fma4i_fmsubaddv2df4): Ditto. + + * doc/invoke.texi (-mfma4): Add documentation. + * doc/extend.texi (x86 intrinsics): Add FMA4 intrinsics. + +2009-09-29 Richard Henderson <rth@redhat.com> + + * tree-eh.c (unsplit_eh): Do not unsplit if there's already + an edge to the new destination block. + +2009-09-29 John David Anglin <dave.anglin@nrc-cnrc.gc.ca> + + PR target/41393 + * pa.c (hppa_profile_hook): Use + make_reg_eh_region_note_nothrow_nononlocal to add REG_EH_REGION note. + +2009-09-29 Steve Ellcey <sje@cup.hp.com> + Alexander Monakov <amonakov@ispras.ru> + + PR target/41365 + * config/ia64/predicates.md (not_postinc_destination_operand): New. + (not_postinc_memory_operand): New. + (not_postinc_move_operand): New. + * config/ia64/ia64.md (*cmovdi_internal): Disallow autoincrement. + (*cmovsi_internal): Ditto. + +2009-09-29 Pat Haugen <pthaugen@us.ibm.com> + + * config/rs6000/rs6000.c (rs6000_issue_rate): Don't artificially + restrict issue_rate in first pass when scheduling for register + pressure. + +2009-09-29 Basile Starynkevitch <basile@starynkevitch.net> + Rafael Avila de Espindola <espindola@google.com> + + * gengtype.c (plugin_output): New. + (get_output_file_with_visibility): Return plugin_output for plugins. + (main): Parse and use the -P option. + * gty.texi: Update the command line format. + +2009-09-29 Jakub Jelinek <jakub@redhat.com> + + PR debug/41438 + * dwarf2out.c (const_ok_for_output_1, const_ok_for_output): New + functions. + (mem_loc_descriptor, loc_descriptor, add_const_value_attribute): Bail + out if !const_ok_for_output. + + PR debug/41474 + * dwarf2out.c (mem_loc_descriptor) <case CONCAT, case CONCATN, + case VAR_LOCATION>: Remove gcc_unreachable (). + +2009-09-29 Harsha Jagasia <harsha.jagasia@amd.com> + + * config.gcc (i[34567]86-*-*): Remove mmintrin-common.h. + (x86_64-*-*): Ditto. + * config/i386/smmintrin.h: Move instructions in mmintrin-common.h + back to smmintrin.h. + * config/i386/cpuid.h (bit_SSE5): Remove SSE5 bit. + * config/i386/x86intrin.h: Remove SSE5. + * config/i386/mmintrin-common.h: Delete file. + * doc/extend.texi (x86 intrinsics): Remove SSE5 flags and builtins. + +2009-09-29 Richard Guenther <rguenther@suse.de> + + * alias.c (ao_ref_from_mem): Properly deal with off decl accesses + resulting from stack temporaries on STRICT_ALIGNMENT targets. + +2009-09-29 Nick Clifton <nickc@redhat.com> + + * function.c (current_function_name): If there is no current + function just return "<none>". + +2009-09-28 Sriraman Tallam <tmsriram@google.com> + + * tree-pass.h (register_pass_info): New structure. + (pass_positioning_ops): Move enum from gcc-plugin.h. + (register_pass): New function. + * gcc-plugin.h (plugin_pass): Delete structure. + (pass_positioning_ops): Delete enum. + * plugin.c (regsiter_pass): Delete function. + (position_pass): Delete function. + (added_pass_nodes): Delete variable. + (prev_added_pass_nodes): Delete variable. + (pass_list_node): Delete structure. + * passes.c (make_pass_instance): New function. + (next_pass_1): Change to call make_pass_instance. + (pass_list_node): Move structure from gcc-plugin.h. + (added_pass_nodes): Move variable from plugin.c. + (prev_added_pass_nodes): Move variable from plugin.c. + (position_pass): New function. + (register_pass): New function. + +2009-09-28 Easwaran Raman <eraman@google.com> + + * ifcvt.c (noce_try_abs): Recognize pattern and call + expand_one_cmpl_abs_nojump. + * optabs.c (expand_one_cmpl_abs_nojump): New function. + * optabs.h (expand_one_cmpl_abs_nojump): Declare. + +2009-09-28 Ian Lance Taylor <iant@google.com> + + PR middle-end/40500 + * c-opts.c (c_common_handle_option): Don't set + warn_jump_misses_init for -Wall. + * doc/invoke.texi (Warning Options): Update documentation. + +2009-09-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de> + + * Makefile.in ($(out_object_file)): Depend on + gt-$(basename $(notdir $(out_file))).h. + +2009-09-28 Richard Henderson <rth@redhat.com> + + * except.h (struct eh_region_d): Add use_cxa_end_cleanup. + * except.c (gen_eh_region): Set it. + (duplicate_eh_regions_1): Copy it. + * tree-eh.c (lower_resx): Use it to determine which function + to call to resume. + + * langhooks.h (struct lang_hooks): Add eh_use_cxa_end_cleanup. + * langhooks-def.h (LANG_HOOKS_EH_USE_CXA_END_CLEANUP): New. + * builtins.def (BUILT_IN_CXA_END_CLEANUP): New. + * tree.c (build_common_builtin_nodes): Remove parameter. Build + BUILT_IN_CXA_END_CLEANUP if necessary. + + * c-common.c (c_define_builtins): Update call to + build_common_builtin_nodes. + +2009-09-28 Andrew Pinski <andrew_pinski@playstation.sony.com> + + * spu.c (get_branch_target): Return NULL for ASM_OPERANDS patterns. + +2009-09-28 Michael Matz <matz@suse.de> + + * builtins.c (interclass_mathfn_icode): New helper. + (expand_builtin_interclass_mathfn): Use it here, and split folding + into ... + (fold_builtin_interclass_mathfn): ... this new folder. + (build_call_nofold_loc): New static helper. + (build_call_nofold): New wrapper macro for above. + (expand_builtin_int_roundingfn): Use it instead of build_call_expr. + (expand_builtin_pow): Ditto. + (expand_builtin_memset_args): Ditto. + (expand_builtin_printf): Ditto. + (expand_builtin_fprintf): Ditto. + (expand_builtin_sprintf): Ditto. + (expand_builtin_memory_chk): Ditto. + (expand_builtin_mempcpy_args): Ditto and don't call folders. + (expand_builtin_stpcpy): Ditto. + (expand_builtin_strcmp): Ditto. + (expand_builtin_strncmp): Ditto. + (expand_builtin_strcpy): Remove FNDECL and MODE arguments. + (expand_builtin_strcpy_args): Don't call folders. + (expand_builtin_memcmp): Ditto. + (expand_builtin_strncpy): Ditto, and use target. + (expand_builtin_memcpy): Ditto. + (expand_builtin_strstr, expand_builtin_strchr, expand_builtin_strrchr, + expand_builtin_strpbrk, expand_builtin_memmove, + expand_builtin_memmove_args, expand_builtin_bcopy, + expand_builtin_memchr, expand_builtin_strcat, expand_builtin_strncat, + expand_builtin_strspn, expand_builtin_strcspn, + expand_builtin_fputs): Remove these. + (expand_builtin): Don't call the above, change calls to other + expanders that changed prototype. + (fold_builtin_stpcpy): New folder split out from expand_builtin_stpcpy. + (fold_builtin_1 <ISFINITE, ISINF, ISNORMAL>): Call + fold_builtin_interclass_mathfn. + (fold_builtin_2 <STPCPY>): Call fold_builtin_stpcpy. + (fold_builtin_strcat): Add folding split from expand_builtin_strcat. + + * fold-const.c (fold_binary_loc <NE_EXPR>): Add !exp != 0 -> !exp. + * passes.c (init_optimization_passes): Move pass_fold_builtins + after last phiopt pass. + * tree-inline.c (fold_marked_statements): When folding builtins + iterate over all instruction potentially generated. + * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Declare + earlier. + (fold_gimple_call): Use it to always fold calls (into potentially + multiple instructions). + * tree-ssa-dom.c (optimize_stmt): Resolve __builtin_constant_p + calls into zero at this time. + * tree-ssa-propagate.c (substitute_and_fold): Ignore multiple + statements generated by builtin folding. + +2009-09-28 Nick Clifton <nickc@redhat.com> + + * config/m32r/m32r.c (m32r_is_insn): Return false for debugging insns. + +2009-09-28 Duncan Sands <baldrick@free.fr> + + * gcc-plugin.h (PLUGIN_REGISTER_GGC_CACHES): New event. + * plugin.c (plugin_event_name): Add PLUGIN_REGISTER_GGC_CACHES. + (register_callback): Dispatch it. + (invoke_plugin_callbacks): Incorporate in sanity check. + * ggc.h (ggc_register_cache_tab): Add declaration. + * ggc-common.c (ggc_register_root_tab): Simplify. + (const_ggc_cache_tab_t): New typedef. + (extra_cache_vec): New vector of dynamically added cache tables. + (ggc_register_cache_tab): New function. + (ggc_scan_cache_tab): New function. + (ggc_mark_roots): Simplify dynamic roots. Handle dynamic caches. + * doc/plugins.texi: Document PLUGIN_REGISTER_GGC_CACHES. + +2009-09-27 Richard Henderson <rth@redhat.com> + + * tree-ssa-ccp.c (optimize_stack_restore): Relax the conditions under + which we remove __builtin_stack_restore. + +2009-09-27 Bernd Schmidt <bernd.schmidt@analog.com> + + * loop-iv.c (iv_analyze_op): Use function_invariant_p, not CONSTANT_P, + to test for GRD_INVARIANT. + (simple_rhs_p): Anything that's function_invariant_p is fine. + +2009-09-27 Rafael Avila de Espindola <espindola@google.com> + + * gengtype.c (main): Use plunge_files instead of plugin_output. + +2009-09-27 Basile Starynkevitch <basile@starynkevitch.net> + Rafael Avila de Espindola <espindola@google.com> + + * gengtype.c (write_root, write_roots): Add a emit_pch argument. + Don't print pch related info if it is false. + (main): Don't print pch info in plugin mode. + +2009-09-27 Eric Botcazou <ebotcazou@adacore.com> + + * dwarf2out.c (enum dw_val_class): Replace dw_val_class_long_long + with dw_val_class_const_double. + (struct dw_val_struct): Replace val_long_long with val_double and + adjust for above change. + (output_loc_operands): Likewise. + (add_AT_long_long): Rename into... + (add_AT_double): ...this. + (print_die): Replace dw_val_class_long_long with + dw_val_class_const_double and adjust. + (attr_checksum): Likewise. + (same_dw_val_p): Likewise. + (size_of_die): Likewise. + (value_format): Likewise. + (output_die): Likewise. + (loc_descriptor) <CONST_DOUBLE>: Likewise. + (add_const_value_attribute) <CONST_DOUBLE>: Call add_AT_double + instead of add_AT_long_long. + (add_bound_info) <INTEGER_CST>: Generate the bound as an unsigned + value with the precision of its type. + +2009-09-27 Andreas Schwab <schwab@linux-m68k.org> + + PR c/41476 + * c-typeck.c (build_conditional_expr): Use the readonly and + volatile flags of the operand types, not of the operands itself. + +2009-09-27 Peter O'Gorman <pogma@thewrittenword.com> + + * collect2.c (main): Look for -brtl before adding libraries. + +2009-09-27 Jonathan Gray <jsg@openbsd.org> + + * config.gcc: Update OpenBSD targets. + * config/openbsd-stdint.h: New file. + * config/openbsd-libpthread.h: New file. + * config/openbsd.h: Update and break out LIB_SPEC definition. + * config/alpha/openbsd.h: Overhaul to reflect ELF migration. + * config/i386/openbsdelf.h: Correct types. + * config/m68k/openbsd.h: Likewise. + * config/mips/openbsd.h: Likewise. + * config/vax/openbsd.h: Likewise. + +2009-09-27 Eric Botcazou <ebotcazou@adacore.com> + + * fold-const.c (maybe_lvalue_p): Return false for M(IN|AX)_EXPR. + (extract_muldiv_1) <MINUS_EXPR>: Swap operands if necessary. + * stor-layout.c (layout_type) <ARRAY_TYPE>: Do not take the maximum + of the length and zero. + +2009-09-27 Ralf Wildenhues <Ralf.Wildenhues@gmx.de> + + * Makefile.in (TOPLEV_H): Use $(INPUT_H) not input.h. + (FLAGS_H): Add options.h $(REAL_H). + (SEL_SCHED_IR_H): Add $(BITMAP_H) vecprim.h $(CFGLOOP_H). + (TREE_VECTORIZER_H): New. + (EBITMAP_H): Renamed from EBIMAP_H. + (c-decl.o, c-objc-common.o, c-pretty-print.o, attribs.o, c-omp.o) + (gtype-desc.o, ggc-common.o, ggc-page.o, ggc-zone.o, langhooks.o) + (tree.o, tree-ssa-structalias.o, tree-ssa-ter.o, tree-ssanames.o) + (tree-phinodes.o, tree-ssa-loop.o, tree-ssa-math-opts.o) + (gimple-low.o, omp-low.o, sese.o, graphite-blocking.o) + (graphite-clast-to-gimple.o, graphite-dependences.o) + (graphite-interchange.o, graphite-poly.o, graphite-scop-detection.o) + (graphite-sese-to-poly.o, tree-vect-loop.o, tree-vect-loop-manip.o) + (tree-vect-patterns.o, tree-vect-slp.o, tree-vect-stmts.o) + (tree-vect-data-refs.o, tree-vectorizer.o, gimple.o, tree-mudflap.o) + (targhooks.o, stmt.o, emit-rtl.o, ipa.o, matrix-reorg.o, ipa-inline.o) + (gcse.o, tree-ssa-ccp.o, df-byte-scan.o, vec.o, caller-save.o) + (ira-build.o, ira-costs.o, ira-color.o, ira-emit.o, ira.o) + (haifa-sched.o, sched-rgn.o, sel-sched.o, sel-sched-dump.o) + (sel-sched-ir.o, final.o, $(out_object_file)): Dependencies + updated and fixed as per above changes and per + check_makefile_deps.sh output. + + PR bootstrap/40928 + * configure.ac: Use $LIBS for '-ldl', not $LDFLAGS. + * configure: Regenerate. + +2009-09-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * doc/install.texi: Update minimum MPC version to 0.7. + +2009-09-26 Gerald Pfeifer <gerald@pfeifer.com> + + * doc/install.texi (Binaries): Remove reference to the binary + distribution CD-ROM from the FSF. + +2009-09-26 Michael Matz <matz@suse.de> + + PR lto/40758 + PR middle-end/41470 + * tree-ssa-coalesce.c (coalesce_ssa_name): Add only SSA names + that are mentioned in the body. + +2009-09-26 Michael Matz <matz@suse.de> + + PR tree-optimization/41454 + * tree-ssa-dom (stmts_to_rescan): Remove variable. + (tree_ssa_dominator_optimize): Don't allocate and free it. + (dom_opt_leave_block): Don't iterate over it. + (eliminate_redundant_computations): Don't return a value. + (cprop_operand, cprop_into_stmt): Ditto. + (optimize_stmt): Don't defer updating stmts. + +2009-09-25 Dodji Seketeli <dodji@redhat.com> + + * dwarf2out.c (dwarf_tag_name, gen_generic_params_dies, + generic_parameter_die, template_parameter_pack_die, + gen_formal_parameter_die, gen_subprogram_die): Adjust after + renaming DW_TAG_formal_parameter_pack and + DW_TAG_template_parameter_pack into DW_TAG_GNU_formal_parameter_pack + and DW_TAG_GNU_template_parameter_pack. + +2009-09-25 Anatoly Sokolov <aesok@post.ru> + + * config/v850/v850.h (FUNCTION_VALUE): Remove. + * config/v850/v850.c (v850_function_value): New function. + (TARGET_FUNCTION_VALUE): Define. + +2009-09-25 Jakub Jelinek <jakub@redhat.com> + + * tree-vect-stmts.c (vectorizable_call): Call + mark_symbols_for_renaming after vect_finish_stmt_generation. + + * dwarf2out.c (tls_mem_loc_descriptor): Pass 1 instead of 2 + to loc_descriptor_from_tree. + (add_location_or_const_value_attribute): Pass 0 instead of 2 + for decl_by_reference_p decls. + +2009-09-25 Richard Guenther <rguenther@suse.de> + + PR middle-end/41463 + * tree-dfa.c (get_ref_base_and_extent): Fix issue with trailing + arrays again. + +2009-09-25 Ben Elliston <bje@au.ibm.com> + + * doc/invoke.texi (RS/6000 and PowerPC Options): Add missing comma + after `power7'. + +2009-09-25 Alan Modra <amodra@bigpond.net.au> + + * config/rs6000/rs6000.md (load_toc_v4_PIC_3c): Correct POWER + form of instruction. + +2009-09-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + PR middle-end/41435 + * fold-const.c (const_binop): Handle complex int division. + * tree-complex.c (expand_complex_div_straight, + expand_complex_div_wide): Update comments. + +2009-09-24 DJ Delorie <dj@redhat.com> + + PR target/41456 + * config/m32c/m32c.h (REG_CLASS_CONTENTS): Add R13. + (reg_class): Likewise. + (REG_CLASS_NAMES): Likewise. + * config/m32c/m32c.c (m32c_reg_class_from_constraint): Likewise. + (m32c_override_options): Disable -fivopts for M32C. + +2009-09-24 Michael Meissner <meissner@linux.vnet.ibm.com> + + * config/rs6000/predicates.md (indexed_or_indirect_operand): + Delete VSX load/store with update support. + * config/rs6000/rs6000.c (rs6000_legitimate_address_p): Ditto. + * config/rs6000/vsx.md (vsx_mov<mode>): Ditto. + (vsx_movti): Ditto. + (VSX_U): Delete. + (VSbit): Ditto. + (VStype_load_update): Ditto. + (VStype_store_update): Ditto. + (vsx_load<VSX_U:mode>_update_<P:mptrsize>): Ditto. + (vsx_store<VSX_U:mode>_update_<P:mptrsize>): Ditto. + + * config/rs6000/rs6000.h (enum rs6000_builtins): Delete VSX + load/store with update builtins. + +2009-09-24 Kai Tietz <kai.tietz@onevision.com> + + * libgcc2.c (L_trampoline): Prototype for getpagesize + and mprotect in WINNT case. + +2009-09-24 Anatoly Sokolov <aesok@post.ru> + + * config/rs6000/rs6000.h (FUNCTION_VALUE): Remove macro. + * config/rs6000/rs6000-protos.h (rs6000_function_value): Remove. + * config/rs6000/rs6000.c (rs6000_function_value): Make static, add + 'outgoing' argument. + (TARGET_FUNCTION_VALUE): Define. + +2009-09-24 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk> + + * config/darwin.h (DWARF2_DEBUGGING_INFO): Define as 1. + +2009-09-24 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk> + + PR bootstrap/41405 + * common.opt: Initialize dwarf_strict to -1. + * toplev.c (process_options): Catch unset dwarf_strict + and set to 0 for all targets not overriding. + * config/darwin.c (darwin_override_options): Catch unset + dwarf_strict and override to 1. + +2009-09-24 Jeff Law <law@redhat.com> + + * tree-into-ssa.c (rewrite_into_ssa): Free interesting_blocks. + +2009-09-24 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/36143 + PR tree-optimization/38747 + * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only + create VIEW_CONVERT_EXPRs for TBAA compatible accesses. + +2009-09-24 Jakub Jelinek <jakub@redhat.com> + + PR bootstrap/41457 + * dwarf2out.c (add_const_value_attribute): For HIGH and CONST_FIXED, + return false instead of gcc_unreachable (). For CONST return the + value returned by recursive call instead of always returning true. + (tree_add_const_value_attribute): Return the value returned by + add_const_value_attribute instead of always returning true if rtl + is non-NULL. + +2009-09-23 Justin Seyster <jrseys@gmail.com> + + * Makefile.in (PLUGIN_HEADERS): Include real.h. + +2009-09-24 Jakub Jelinek <jakub@redhat.com> + + * cgraphunit.c (cgraph_lower_function): Revert last change. + * targhooks.c (default_static_chain): Use !DECL_STATIC_CHAIN + instead of DECL_NO_STATIC_CHAIN. + * tree-cfg.c (verify_gimple_call): Likewise. + * tree-nested.c (get_chain_decl, get_chain_field, + convert_tramp_reference_op, convert_gimple_call): Likewise. + (convert_all_function_calls): Likewise. Always set or clear + DECL_STATIC_CHAIN initially, for !n->outer clear it. + (lower_nested_functions): Remove DECL_NO_STATIC_CHAIN checking code. + * c-parser.c (c_parser_declaration_or_fndef): Set DECL_STATIC_CHAIN + if nested. + * print-tree.c (print_node): Handle DECL_STATIC_CHAIN instead of + DECL_NO_STATIC_CHAIN. + * config/i386/i386.c (ix86_static_chain): Use !DECL_STATIC_CHAIN + instead of DECL_NO_STATIC_CHAIN. + (ix86_function_regparm, find_drap_reg): Likewise. Don't test + decl_function_context. + * varasm.c (initializer_constant_valid_p): Likewise. + * tree.h (DECL_NO_STATIC_CHAIN): Renamed to ... + (DECL_STATIC_CHAIN): ... this. + * config/moxie/moxie.c (moxie_static_chain): Use !DECL_STATIC_CHAIN + instead of DECL_NO_STATIC_CHAIN. + +2009-09-23 Basile Starynkevitch <basile@starynkevitch.net> + Rafael Avila de Espindola <espindola@google.com> + + * gengtype.c (nb_plugin_files): Make it unsigned to match + num_gt_files. Adjust other variables to avoid warnings. + (main): Allocate an all zero lang_bitmap before each plugin file name + to match regular file names. + +2009-09-23 Richard Henderson <rth@redhat.com> + + * doc/tm.texi (STATIC_CHAIN, STATIC_CHAIN_INCOMING): Remove. + (TARGET_STATIC_CHAIN): Mention that this hook must be used for + static chain passed in memory. + * system.h (STATIC_CHAIN, STATIC_CHAIN_INCOMING): Poison. + * targhooks.c (default_static_chain): Don't handle STATIC_CHAIN, + STATIC_CHAIN_INCOMING. Issue a sorry if there's no + STATIC_CHAIN_REGNUM defined. + + * config/picochip/picochip-protos.h: s/class/klass/. + * config/picochip/picochip.c (TARGET_STATIC_CHAIN): New. + (picochip_static_chain): New. + * config/picochip/picochip.h (STATIC_CHAIN): Remove. + (STATIC_CHAIN_INCOMING): Remove. + + * config/xtensa/xtensa.c (TARGET_STATIC_CHAIN): New. + (xtensa_static_chain): New. + * config/xtensa/xtensa.h (STATIC_CHAIN): Remove. + (STATIC_CHAIN_INCOMING): Remove. + +2009-09-23 Anatoly Sokolov <aesok@post.ru> + + * config/pa/pa.h (FUNCTION_VALUE): Remove macro. + * config/pa/pa-protos.h (function_value): Remove. + * config/pa/pa.c (pa_function_value): Rename from function_value. + Make static, add 'outgoing' argument. + (TARGET_FUNCTION_VALUE): Define. + +2009-09-23 Anatoly Sokolov <aesok@post.ru> + + * config/avr/avr.c (avr_regs_to_save): Use current_function_is_leaf + instead of cfun->machine->is_leaf. + * config/avr/avr.h (machine_function): Remove is_leaf field. + +2009-09-23 Jakub Jelinek <jakub@redhat.com> + + PR debug/41439 + * dwarf2out.c (address_of_int_loc_descriptor): Don't emit + DW_OP_piece after DW_OP_stack_value, adjust size calculations + for it, when DW_OP_stack_value and DW_OP_implicit_value has + the same size, prefer DW_OP_stack_value. + (loc_descriptor, loc_list_for_address_of_addr_expr_of_indirect_ref, + loc_list_from_tree): Don't emit DW_OP_piece after DW_OP_stack_value. + +2009-09-23 Alexandre Oliva <aoliva@redhat.com> + + PR debug/41353 + * var-tracking.c (add_with_sets): Sort MO_VAL_LOC last among uses. + +2009-09-23 Alexandre Oliva <aoliva@redhat.com> + + PR debug/41248 + * cfgexpand.c (convert_debug_memory_address): New. + (expand_debug_expr): Convert base address and offset to the same + mode. Use it to convert addresses to other modes. Accept + ptr_mode addresses. + +2009-09-23 Dodji Seketeli <dodji@redhat.com> + + PR debug/41065 + * function.h (types_used_by_vars_hash): Declare new hash table. + (types_used_by_vars_eq, types_used_by_var_decl_insert): Declare + equality and hash function for the hash table. + (types_used_by_cur_var_decl): Declare a new global chained list. + (types_used_by_var_decl_insert): Declare new function. + * function.c (types_used_by_vars_hash): Define the hashtable ... + (types_used_by_vars_eq, types_used_by_vars_do_hash): ... as well as + its equality and hash functions. + (hash_types_used_by_vars_entry): New hash helper. + (types_used_by_cur_var_decl): Define the global chained list. + (used_types_insert): Update the list of types used by the global + variable being parsed. + (types_used_by_var_decl_insert): Define new function. + * c-common.h (record_types_used_by_current_var_decl): Declare ... + * c-common.c (record_types_used_by_current_var_decl): ... new + function. + * c-decl.c (finish_decl): Record the types used by the global + variable declaration we've just parsed. + * dwarf2out.c (premark_used_types): Insert a new line between + comment and function. + (premark_used_types_helper): Fix comment. + (premark_types_used_by_global_vars_helper, + premark_types_used_by_global_vars): New functions. + (prune_unused_types): Do not prune types used by global variables. + +2009-09-23 Richard Guenther <rguenther@suse.de> + + * alias.c (ao_ref_from_mem): Correct for negative MEM_OFFSET + produced for bigendian targets with promoted subregs. + +2009-09-23 Richard Guenther <rguenther@suse.de> + + * value-prof.c (gimple_ic): Purge old EH edges only after building + the new ones. + +2009-09-23 Nick Clifton <nickc@redhat.com> + + * config/arc/arc.c (arc_trampoline_init): Fix typo. + +2009-09-23 Jakub Jelinek <jakub@redhat.com> + + PR bootstrap/41405 + * doc/invoke.texi: Document -gstrict-dwarf and -gno-strict-dwarf. + + PR bootstrap/41436 + * cgraphunit.c (cgraph_lower_function): Set DECL_NO_STATIC_CHAIN + on non-nested functions. + +2009-09-23 Jakub Jelinek <jakub@redhat.com> + Jan Hubicka <jh@suse.cz> + + * dwarf2out.c (loc_list_plus_const): Only define if + DWARF2_DEBUGGING_INFO. + (address_of_int_loc_descriptor): Likewise. + + PR debug/41411 + * dwarf2out.c (mem_loc_descriptor): Handle HIGH. + +2009-09-23 Uros Bizjak <ubizjak@gmail.com> + + PR c/39779 + * c-typeck.c (build_binary_op) <short_shift>: Check that integer + constant is more than zero. + +2009-09-23 Alan Modra <amodra@bigpond.net.au> + + PR target/40473 + * config/rs6000/rs6000.c (rs6000_output_function_prologue): Don't + call final to emit non-scheduled prologue, instead insert at entry. + +2009-09-22 Loren J. Rittle <ljrittle@acm.org> + Joseph S. Myers <joseph@codesourcery.com> + + * doc/install.texi (*-*-freebsd*): Add proper format codes. + +2009-09-22 Basile Starynkevitch <basile@starynkevitch.net> + Rafael Avila de Espindola <espindola@google.com> + + * gengtype.c (is_file_equal): New function. + (close_output_files): Use is_file_equal. Free of->buf. + +2009-09-22 Basile Starynkevitch <basile@starynkevitch.net> + Rafael Avila de Espindola <espindola@google.com> + + * gengtype.c (write_types, write_local): Add the output_header + argument. Update all callers. + +2009-09-22 Dodji Seketeli <dodji@redhat.com> + + * dwarf2out.c (template_parameter_pack_die, + gen_formal_parameter_pack_die ): New functions. + (make_ith_pack_parameter_name): Remove this function. + (dwarf_tag_name): Support printing DW_TAG_template_parameter_pack and + DW_TAG_formal_parameter_pack. + (gen_generic_params_dies): Represent each template parameter pack + by a DW_TAG_template_parameter_pack DIE. Argument pack elements are + represented by usual DW_TAG_template_*_parameter DIEs that are + children of the DW_TAG_template_parameter_pack element DIE. + (generic_parameter_die): This doesn't deal with parameter pack + names anymore. Don't generate DW_AT_name for some DIEs, e.g. children + of parameter pack DIEs. + (gen_formal_parameter_die): Add a flag to not emit DW_AT_name + in certain cases, e.g. for pack elements. + (gen_formal_types_die, gen_decl_die): Adjust usage of + gen_formal_parameter_die. + (gen_subprogram_die): Represent each function parameter pack by a + DW_TAG_formal_parameter_pack DIE. Arguments of of the pack are + represented by usual DW_TAG_formal_parameter DIEs that are children + of the DW_TAG_formal_parameter_pack DIE. Remove references to + ____builtin_va_alist decls as no part of the compiler uses those + anymore. + * langhooks.h (struct lang_hooks_for_decls): Add + function_parm_expanded_from_pack_p, get_generic_function_decl + and function_parameter_pack_p hooks. Fix comment for + get_innermost_generic_parms hook. + * langhooks-def.h (LANG_HOOKS_FUNCTION_PARAMETER_PACK_P, + LANG_HOOKS_FUNCTION_PARM_EXPANDED_FROM_PACK_P ): Declare new hook + macros and use them to initialize lang_hook. + +2009-09-22 Richard Henderson <rth@redhat.com> + + * system.h (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Poison. + (TRAMPOLINE_ADJUST_ADDRESS): Poison. + * target-def.h (TARGET_ASM_TRAMPOLINE_TEMPLATE): Don't conditionalize + on TRAMPOLINE_TEMPLATE. + (TARGET_TRAMPOLINE_ADJUST_ADDRESS): Don't conditionalize on + TRAMPOLINE_ADJUST_ADDRESS. + * targhooks.c (default_asm_trampoline_template): Remove. + (default_trampoline_adjust_address): Remove. + (default_trampoline_init): Don't handle INITIALIZE_TRAMPOLINE. + * targhooks.h: Update decls. + +2009-09-22 Dave Korn <dave.korn.cygwin@gmail.com> + + * config/i386/cygming.h (TARGET_USE_JCR_SECTION): Enable. + * config/i386/cygwin.h (LIBGCJ_SONAME): Define. + * config/i386/mingw32.h (LIBGCJ_SONAME): Likewise. + +2009-09-22 Alexandre Oliva <aoliva@redhat.com> + + PR debug/41295 + * reload1.c (reload): Reset debug insns with pseudos without + equivalences. + +2009-09-22 Janis Johnson <janis187@us.ibm.com> + + * config/i386/i386.c (ix86_scalar_mode_supported_p): Don't return + unconditional true for decimal float modes. + * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): Ditto. + * config/s390/s390.c (s390_scalar_mode_supported_p): Ditto. + +2009-09-22 Loren J. Rittle <ljrittle@acm.org> + + * unwind-dw2-fde-glibc.c: Define and use USE_PT_GNU_EH_FRAME. + Enable a new case for __FreeBSD__ >= 7. + * crtstuff.c: Define USE_PT_GNU_EH_FRAME for __FreeBSD__ >= 7. + * config/t-freebsd: Define LIB2ADDEH and LIB2ADDEHDEP. + * config/freebsd-spec.h: Conditionally define LINK_EH_SPEC + and USE_LD_AS_NEEDED. + + * doc/install.texi (*-*-freebsd*): Update target information. + +2009-09-22 Richard Guenther <rguenther@suse.de> + + PR middle-end/41395 + * tree-dfa.c (get_ref_base_and_extent): Handle trailing + arrays really properly. + +2009-09-22 Richard Henderson <rth@redhat.com> + + PR target/41246 + * target.h (struct gcc_target): Add asm_out.trampoline_template, + calls.static_chain, calls.trampoline_init, + calls.trampoline_adjust_address. + * target-def.h (TARGET_ASM_TRAMPOLINE_TEMPLATE): New. + (TARGET_STATIC_CHAIN, TARGET_TRAMPOLINE_INIT): New. + (TARGET_TRAMPOLINE_ADJUST_ADDRESS): New. + * builtins.c (expand_builtin_setjmp_receiver): Use + targetm.calls.static_chain; only clobber registers. + (expand_builtin_init_trampoline): Use targetm.calls.trampoline_init; + set up memory attributes properly for the trampoline block. + (expand_builtin_adjust_trampoline): Use + targetm.calls.trampoline_adjust_address. + * calls.c (prepare_call_address): Add fndecl argument. Use + targetm.calls.static_chain. + * df-scan.c (df_need_static_chain_reg): Remove. + (df_get_entry_block_def_set): Use targetm.calls.static_chain; + consolodate static chain handling. + * doc/tm.texi: Document new hooks. + * emit-rtl.c (static_chain_rtx, static_chain_incoming_rtx): Remove. + (init_emit_regs): Don't initialize them. + * expr.h (prepare_call_address): Update decl. + * final.c (profile_function): Use targetm.calls.static_chain. + * function.c (expand_function_start): Likewise. + * rtl.h (static_chain_rtx, static_chain_incoming_rtx): Remove. + * stmt.c (expand_nl_goto_receiver): Use targetm.calls.static_chain; + only clobber registers. + * targhooks.c (default_static_chain): New. + (default_asm_trampoline_template, default_trampoline_init): New. + (default_trampoline_adjust_address): New. + * targhooks.h: Declare them. + * varasm.c (assemble_trampoline_template): Use + targetm.asm_out.trampoline_template. Make the memory block const + and set its size. + + * config/alpha/alpha.c (alpha_trampoline_init): Rename from + alpha_initialize_trampoline. Make static. Merge VMS parameter + differences into the TARGET_ABI_OPEN_VMS code block. + (TARGET_TRAMPOLINE_INIT): New. + * config/alpha/alpha.h (TRAMPOLINE_TEMPLATE): Remove. + (TRAMPOLINE_SECTION, INITIALIZE_TRAMPOLINE): Remove. + * config/alpha/vms.h (TRAMPOLINE_SIZE, TRAMPOLINE_ALIGNMENT): Remove. + (INITIALIZE_TRAMPOLINE): Remove. + + * config/arc/arc.h (TRAMPOLINE_ALIGNMENT): New. + (TRAMPOLINE_TEMPLATE): Merge with ... + (INITIALIZE_TRAMPOLINE): ... this and move ... + * config/arc/arc.c (arc_trampoline_init): ... here. + (TARGET_TRAMPOLINE_INIT): New. + + * config/arm/arm.c (TARGET_ASM_TRAMPOLINE_TEMPLATE): New. + (TARGET_TRAMPOLINE_INIT, TARGET_TRAMPOLINE_ADJUST_ADDRESS): New. + (arm_asm_trampoline_template): New. + (arm_trampoline_init, arm_trampoline_adjust_address): New. + * config/arm/arm.h (TRAMPOLINE_TEMPLATE, ARM_TRAMPOLINE_TEMPLATE, + THUMB2_TRAMPOLINE_TEMPLATE, THUMB1_TRAMPOLINE_TEMPLATE): Move all + code to arm_asm_trampoline_template. + (TRAMPOLINE_ADJUST_ADDRESS): Move code to + arm_trampoline_adjust_address. + (INITIALIZE_TRAMPOLINE): Move code to arm_trampoline_init; + adjust for target hook parameters. + + * config/avr/avr.h (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): + Remove. + + * config/bfin/bfin-protos.h (initialize_trampoline): Remove. + * config/bfin/bfin.c (bfin_asm_trampoline_template): New. + (bfin_trampoline_init): Rename from initialize_trampoline; + make static; update for target hook parameters. + (TARGET_ASM_TRAMPOLINE_TEMPLATE, TARGET_TRAMPOLINE_INIT): New. + * config/bfin/bfin.h (TRAMPOLINE_TEMPLATE): Move code to + bfin_asm_trampoline_template. + (INITIALIZE_TRAMPOLINE): Remove. + + * config/cris/cris.c (TARGET_ASM_TRAMPOLINE_TEMPLATE, + TARGET_TRAMPOLINE_INIT, cris_asm_trampoline_template, + cris_trampoline_init): New. + * config/cris/cris.h (TRAMPOLINE_TEMPLATE): Move code to + cris_asm_trampoline_template. + (INITIALIZE_TRAMPOLINE): Move code to cris_trampoline_init; + adjust for target hook parameters. + + * config/crx/crx.h (INITIALIZE_TRAMPOLINE): Remove. + + * config/fr30/fr30.c (TARGET_ASM_TRAMPOLINE_TEMPLATE, + TARGET_TRAMPOLINE_INIT, fr30_asm_trampoline_template, + fr30_trampoline_init): New. + * config/fr30/fr30.h (TRAMPOLINE_TEMPLATE): Move code to + fr30_asm_trampoline_template. + (INITIALIZE_TRAMPOLINE): Move code to fr30_trampoline_init; + adjust for target hook parameters. + + * config/frv/frv.c (TARGET_TRAMPOLINE_INIT): New. + (frv_trampoline_init): Rename from frv_initialize_trampoline; + make static, adjust arguments for TARGET_TRAMPOLINE_INIT hook. + * config/frv/frv.h (INITIALIZE_TRAMPOLINE): Remove. + * config/frv/frv-protos.h (frv_initialize_trampoline): Remove. + + * config/h8300/h8300.c (h8300_trampoline_init): New. + (TARGET_TRAMPOLINE_INIT): New. + * config/h8300/h8300.h (INITIALIZE_TRAMPOLINE): Move code + to h8300_trampoline_init and adjust for hook parameters. + + * config/ia64/ia64-protos.h (ia64_initialize_trampoline): Remove. + * config/ia64/ia64.c (TARGET_TRAMPOLINE_INIT): New. + (ia64_trampoline_init): Rename from ia64_initialize_trampoline; + make static; adjust for hook parameters. + * config/ia64/ia64.h (INITIALIZE_TRAMPOLINE): Remove. + + * config/iq2000/iq2000.c (TARGET_ASM_TRAMPOLINE_TEMPLATE): New. + (TARGET_TRAMPOLINE_INIT): New. + (iq2000_asm_trampoline_template, iq2000_trampoline_init): New. + * config/iq2000/iq2000.h (TRAMPOLINE_TEMPLATE): Move code to + iq2000_asm_trampoline_template. + (INITIALIZE_TRAMPOLINE): Move code to iq2000_trampoline_init. + (TRAMPOLINE_CODE_SIZE): New. + (TRAMPOLINE_SIZE): Use it. + (TRAMPOLINE_ALIGNMENT): Follow Pmode. + + * config/m32c/m32c-protos.h (m32c_initialize_trampoline): Remove. + * config/m32c/m32c.c (TARGET_TRAMPOLINE_INIT): New. + (m32c_trampoline_init): Rename from m32c_initialize_trampoline; + adjust for hook parameters. + * config/m32c/m32c.h (INITIALIZE_TRAMPOLINE): Remove. + + * config/m32r/m32r.c (TARGET_TRAMPOLINE_INIT): New. + (m32r_trampoline_init): New. + * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Move code to + m32r_trampoline_init. + + * config/m68hc11/m68hc11.c (TARGET_TRAMPOLINE_INIT): New. + (m68hc11_trampoline_init): Rename from m68hc11_initialize_trampoline; + make static; update for hook parameters. + * config/m68hc11/m68hc11-protos.h: Update. + * config/m68hc11/m68hc11.h (INITIALIZE_TRAMPOLINE): Remove. + + * config/mcore/mcore.c (TARGET_ASM_TRAMPOLINE_TEMPLATE): New. + (TARGET_TRAMPOLINE_INIT): New. + (mcore_function_value): Fix typo. + (mcore_asm_trampoline_template, mcore_trampoline_init): New. + * config/mcore/mcore.h (TRAMPOLINE_TEMPLATE): Move code + to mcore_asm_trampoline_template. + (INITIALIZE_TRAMPOLINE): Move code to mcore_trampoline_init. + + * config/mep/mep.h (INITIALIZE_TRAMPOLINE): Remove. + * config/mep/mep.c (TARGET_TRAMPOLINE_INIT): New. + (mep_trampoline_init): Rename from mep_init_trampoline; make static; + update for hook parameters. + * config/mep/mep-protos.h (mep_init_trampoline): Remove. + + * config/mips/mips.c (TARGET_ASM_TRAMPOLINE_TEMPLATE, + mips_asm_trampoline_template, TARGET_TRAMPOLINE_INIT, + mips_trampoline_init): New. + * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Move code to + mips_asm_trampoline_template. + (INITIALIZE_TRAMPOLINE): Move code to mips_trampoline_init; + update for hook parameters. + + * gcc/config/mmix/mmix.c (TARGET_ASM_TRAMPOLINE_TEMPLATE): New. + (TARGET_TRAMPOLINE_INIT): New. + (mmix_trampoline_size): Remove. + (mmix_asm_trampoline_template): Rename from mmix_trampoline_template; + make static. Remove out-of-date tetra vs octa comment. + (mmix_trampoline_init): Rename from mmix_initialize_trampoline; + make static; update for hook parameters. + * config/mmix/mmix.h (TRAMPOLINE_TEMPLATE): Remove. + (INITIALIZE_TRAMPOLINE): Remove. + (TRAMPOLINE_SIZE): Use a constant instead of mmix_trampoline_size. + (TRAMPOLINE_ALIGNMENT): New. + * gcc/config/mmix/mmix-protos.h: Update. + + * config/mn10300/mn10300.c (TARGET_ASM_TRAMPOLINE_TEMPLATE, + mn10300_asm_trampoline_template, TARGET_TRAMPOLINE_INIT, + mn10300_trampoline_init): New. + * config/mn10300/mn10300.h (TRAMPOLINE_TEMPLATE): Move code to + mn10300_asm_trampoline_template. + (INITIALIZE_TRAMPOLINE): Move code to mn10300_trampoline_init. + + * config/moxie/moxie.c (moxie_static_chain, + moxie_asm_trampoline_template, moxie_trampoline_init, + TARGET_STATIC_CHAIN, TARGET_ASM_TRAMPOLINE_TEMPLATE, + TARGET_TRAMPOLINE_INIT): New. + * config/moxie/moxie.h (INITIALIZE_TRAMPOLINE): Move code to + moxie_trampoline_init. + (TRAMPOLINE_TEMPLATE): Move code to moxie_asm_trampoline_template. + (STATIC_CHAIN, STATIC_CHAIN_INCOMING): Remove. + + * gcc/config/pa/pa.c (TARGET_ASM_TRAMPOLINE_TEMPLATE, + pa_asm_trampoline_template, TARGET_TRAMPOLINE_INIT, + pa_trampoline_init, TARGET_TRAMPOLINE_ADJUST_ADDRESS, + pa_trampoline_adjust_address): New. + * config/pa/pa.h (TRAMPOLINE_TEMPLATE): Move code to + pa_asm_trampoline_template. + (TRAMPOLINE_ALIGNMENT): New. + (TRAMPOLINE_CODE_SIZE): Move to pa.c. + (INITIALIZE_TRAMPOLINE): Move code to pa_trampoline_init; + adjust for hook parameters. + (TRAMPOLINE_ADJUST_ADDRESS): Move code to pa_trampoline_adjust_address. + + * config/pdp11/pdp11.c (pdp11_trampoline_init): New. + (TARGET_TRAMPOLINE_INIT): New. + * config/pdp11/pdp11.h (TRAMPOLINE_TEMPLATE): Remove. + (INITIALIZE_TRAMPOLINE): Move code to pdp11_trampoline_init. + + * config/picochip/picochip.h (INITIALIZE_TRAMPOLINE): Remove. + + * config/rs6000/rs6000-protos.h (rs6000_initialize_trampoline): Remove. + * config/rs6000/rs6000.c (TARGET_TRAMPOLINE_INIT): New. + (rs6000_trampoline_init): Rename from rs6000_initialize_trampoline; + make static; adjust parameters for the hook. + * config/rs6000/rs6000.h (INITIALIZE_TRAMPOLINE): Remove. + + * config/s390/s390.c (s390_asm_trampoline_template): Rename from + s390_trampoline_template; make static. + (s390_trampoline_init): Rename from s390_initialize_trampoline; + make static; adjust for target hook. + (TARGET_ASM_TRAMPOLINE_TEMPLATE, TARGET_TRAMPOLINE_INIT): New. + * config/s390/s390-protos.h: Remove trampoline decls. + * config/s390/s390.h (INITIALIZE_TRAMPOLINE): Remove. + (TRAMPOLINE_TEMPLATE): Remove. + (TRAMPOLINE_ALIGNMENT): New. + + * config/score/score-protos.h (score_initialize_trampoline): Remove. + * config/score/score.c (TARGET_ASM_TRAMPOLINE_TEMPLATE): New. + (TARGET_TRAMPOLINE_INIT): New. + (score_asm_trampoline_template): New. + (score_trampoline_init): Rename from score_initialize_trampoline; + make static; adjust for hook parameters. + * config/score/score.h (TRAMPOLINE_TEMPLATE): Move code to + score[37]_asm_trampoline_template. + (INITIALIZE_TRAMPOLINE): Remove. + * config/score/score3.c (score3_asm_trampoline_template): New. + (score3_trampoline_init): Rename from score3_initialize_trampoline; + adjust for target hook. + * config/score/score7.c (score7_asm_trampoline_template): New. + (score7_trampoline_init): Rename from score7_initialize_trampoline; + adjust for target hook. + * config/score/score3.h, config/score/score7.h: Update. + + * config/sh/sh-protos.h (sh_initialize_trampoline): Remove. + * config/sh/sh.c (TARGET_TRAMPOLINE_INIT): New. + (TARGET_TRAMPOLINE_ADJUST_ADDRESS): New. + (sh_trampoline_init): Rename from sh_initialize_trampoline; + make static; adjust for target hook parameters. + (sh_trampoline_adjust_address): New. + * config/sh/sh.h (INITIALIZE_TRAMPOLINE): New. + (TRAMPOLINE_ADJUST_ADDRESS): Move code to sh_trampoline_adjust_address. + + * config/sparc/sparc.c (TARGET_TRAMPOLINE_INIT): New. + (sparc32_initialize_trampoline): Rename from + sparc_initialize_trampoline; make static; replace tramp parameter + with m_tramp and update memory accesses. + (sparc64_initialize_trampoline): Similarly. + (sparc_trampoline_init): New. + * config/sparc/sparc-protos.h: Remove trampoline decls. + * config/sparc/sparc.h (INITIALIZE_TRAMPOLINE): Remove. + * config/sparc/sparc.md (nonlocal_goto): Don't use static_chain_rtx. + + * config/spu/spu.c (TARGET_TRAMPOLINE_INIT): New. + (array_to_constant): Make ARR parameter const. + (spu_trampoline_init): Rename from spu_initialize_trampoline; + make static; update for hook parameters. + * config/spu/spu-protos.h: Update decls. + * config/spu/spu.h (INITIALIZE_TRAMPOLINE): Remove. + + * config/stormy16/stormy16.c (xstormy16_trampoline_init): Rename + from xstormy16_initialize_trampoline; make static; update for + hook parameters. + (TARGET_TRAMPOLINE_INIT): New. + * config/stormy16/stormy16.h (INITIALIZE_TRAMPOLINE): Remove. + + * config/v850/v850.c (TARGET_ASM_TRAMPOLINE_TEMPLATE): New. + (TARGET_TRAMPOLINE_INIT): New. + (v850_can_eliminate): Make static. + (v850_asm_trampoline_template, v850_trampoline_init): New. + * config/v850/v850.h (TRAMPOLINE_TEMPLATE): Move code to + v850_asm_trampoline_template. + (INITIALIZE_TRAMPOLINE): Move code to v850_trampoline_init + and adjust for target hook parameters. + + * config/vax/vax.c (TARGET_ASM_TRAMPOLINE_TEMPLATE): New. + (TARGET_TRAMPOLINE_INIT): New. + (vax_asm_trampoline_template, vax_trampoline_init): New. + * config/vax/vax.h (TRAMPOLINE_TEMPLATE): Move code to + vax_asm_trampoline_template. + (INITIALIZE_TRAMPOLINE): Move code to vax_trampoline_init. + + * config/xtensa/xtensa.c (TARGET_ASM_TRAMPOLINE_TEMPLATE): New. + (TARGET_TRAMPOLINE_INIT): New. + (xtensa_asm_trampoline_template): Rename from + xtensa_trampoline_template; make static. + (xtensa_trampoline_init): Rename from xtensa_initialize_trampoline; + make static; update for hook parameters. + * config/xtensa/xtensa-protos.h: Remove trampoline decls. + * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Remove. + (INITIALIZE_TRAMPOLINE): Remove. + + * config/i386/i386.c (ix86_function_regparm): Do not issue an + error for nested functions with regparm=3. + (ix86_compute_frame_layout): Adjust frame pointer offset for + ix86_static_chain_on_stack. + (ix86_expand_prologue): Handle ix86_static_chain_on_stack. + (ix86_emit_restore_reg_using_pop): Increment ix86_cfa_state->offset, + don't reset to UNITS_PER_WORD. + (ix86_emit_leave): Adjust ix86_cfa_state. + (ix86_expand_epilogue): Handle ix86_static_chain_on_stack. + (ix86_static_chain): New. + (ix86_trampoline_init): Rename from x86_initialize_trampoline; + make static; update for target hook parameters; use ix86_static_chain. + (TARGET_STATIC_CHAIN, TARGET_TRAMPOLINE_INIT): New. + * config/i386/i386.h (STATIC_CHAIN_REGNUM): Remove. + (INITIALIZE_TRAMPOLINE): Remove. + (TRAMPOLINE_SIZE): Use 24 for 64-bit. + (struct machine_function): Use BOOL_BITFIELD; rearrange bitfields + to the end. Add static_chain_on_stack. + (ix86_static_chain_on_stack): New. + + * config/m68k/m68k.c (TARGET_TRAMPOLINE_INIT): New. + (m68k_output_mi_thunk): Don't use static_chain_rtx. + (m68k_trampoline_init): New. + * config/m68k/m68k.h (INITIALIZE_TRAMPOLINE): Move code to + m68k_trampoline_init and adjust for hook parameters. + * config/m68k/netbsd-elf.h (TRAMPOLINE_TEMPLATE): Remove. + (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Remove. + +2009-09-22 Jakub Jelinek <jakub@redhat.com> + + * config/rs6000/rs6000.c (bdesc_2arg): Fix CODE_FOR_vector_gt* codes + for __builtin_altivec_vcmpgt{sb,uh,sh,uw}. + + * reload1.c (reload): Call wrap_constant when substituting + reg for equiv inside of DEBUG_INSNs. + + PR bootstrap/41405 + * dwarf2out.c (base_type_die, record_type_tag, gen_subprogram_die, + add_call_src_coords_attributes, add_high_low_attributes, + gen_compile_unit_die, gen_type_die_with_usage force_decl_die, + gen_decl_die, dwarf2out_imported_module_or_decl_1, dwarf2out_finish, + dwarf2out_imported_module_or_decl): Avoid using DWARF3 additions + when -gdwarf-2 -gstrict-dwarf. + (loc_list_from_tree): Likewise. Avoid using DWARF4 additions when + -gdwarf-[23] -gstrict-dwarf. + (address_of_int_loc_descriptor, loc_descriptor, + loc_list_for_address_of_addr_expr_of_indirect_ref): Avoid using + DWARF4 additions when -gdwarf-[23] -gstrict-dwarf. + * common.opt (gno-strict-dwarf, gstrict-dwarf): New options. + +2009-09-22 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/41428 + * tree-ssa-ccp.c (ccp_fold_stmt): New function. + (ccp_finalize): Pass it to substitute_and_fold. + +2009-09-22 Richard Guenther <rguenther@suse.de> + + * tree-ssa-propagate.h (ssa_prop_fold_stmt_fn): Declare. + (substitute_and_fold): Adjust prototype. + * tree-vrp.c (vrp_evaluate_conditional): Make static. + (simplify_stmt_using_ranges): Likewise. + (fold_predicate_in): Move here from tree-ssa-propagate.c. + (vrp_fold_stmt): New function. + (vrp_finalize): Pass it to substitute_and_fold. + * tree-flow.h (vrp_evaluate_conditional): Remove. + (simplify_stmt_using_ranges): Likewise. + * tree-ssa-ccp.c (ccp_finalize): Adjust call to substitute_and_fold. + * tree-ssa-copy.c (fini_copy_prop): Likewise. + * tree-ssa-propagate.c (struct prop_stats_d): Rename num_pred_folded + member. + (fold_predicate_in): Move to tree-vrp.c. + (substitute_and_fold): Use the callback instead of calling into + tree-vrp.c functions directly. + +2009-09-22 Jakub Jelinek <jakub@redhat.com> + + * dwarf2out.c (address_of_int_loc_descriptor): Avoid signed/unsigned + comparison warning on rs6000. + + PR middle-end/41429 + * tree-cfg.c (remove_useless_stmts_tc): Call gsi_next (gsi) even for + GIMPLE_EH_MUST_NOT_THROW cleanup. + (verify_types_in_gimple_stmt): Handle GIMPLE_EH_MUST_NOT_THROW. + +2009-09-22 Jack Howarth <howarth@bromo.med.uc.edu> + + PR middle-end/41260 + * gcc/config.gcc: Use darwin9.h and darwin10.h on darwin10 and later. + * gcc/config/darwin10.h: Add file to pass -no_compact_unwind on + LIB_SPEC for darwin10 and later since it always uses the unwinder in + libSystem which is derived from the gcc 4.2.1 unwinder. + +2009-09-22 Dave Korn <dave.korn.cygwin@gmail.com> + + PR middle-end/41357 + * varasm.c (default_encode_section_info): Copy TLS model into + sym_ref flags regardless of backend support for TLS, for all + model types except TLS_MODEL_EMULATED. + +2009-09-22 Dave Korn <dave.korn.cygwin@gmail.com> + + PR bootstrap/41404 + * dwarf2out.c (mem_loc_descriptor): Punt on CONST_STRING until + we can handle it correctly. + +2009-09-21 Gerald Pfeifer <gerald@pfeifer.com> + + * doc/install.texi (os2): Remove section. + +2009-09-21 Gerald Pfeifer <gerald@pfeifer.com> + + * doc/standards.texi (Objective-C): Adjust two URLs. + +2009-09-21 Giuseppe Scrivano <gscrivano@gnu.org> + + * tree-tailcall.c (process_assignment): Don't check if a + multiplication or an addition are already present. + (find_tail_calls): Combine multiple additions and multiplications. + (adjust_accumulator_values): Emit accumulators. + +2009-09-21 Kai Tietz <kai.tietz@onevision.com> + + * config/i386/i386.c (ix86_expand_epilogue): Adjust offset for + xmm register restore. + +2009-09-21 Jan Hubicka <jh@suse.cz> + + * dwarf2out.c (decl_loc_table_eq): Allow decl_loc_table to be NULL. + (dwarf2out_abstract_function): NULLify decl_loc_table at begginig and + restore at the end. + +2009-09-21 Eric Botcazou <ebotcazou@adacore.com> + + * stor-layout.c (layout_type): Remove obsolete code. + +2009-09-20 H.J. Lu <hongjiu.lu@intel.com> + + PR middle-end/41395 + * opts.c (decode_options): Don't turn on flag_ipa_sra for opt2. + +2009-09-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + PR middle-end/30789 + * builtins.c (do_mpc_arg2): Accept DO_NONFINITE parameter. + (do_mpc_ckconv): Accept FORCE_CONVERT parameter. + (fold_builtin_2, do_mpc_arg1): Update accordingly. + * fold-const.c (const_binop): Likewise. + * real.h (do_mpc_arg2): Update prototype. + +2009-09-20 Jan Hubicka <jh@suse.cz> + + * dwarf2out.c (add_const_value_attribute): Return true if successful. + (add_location_or_const_value_attribute): Rewrite using + loc_list_from_tree. + (tree_add_const_value_attribute): Return true if successful. + (tree_add_const_value_attribute_for_decl): Likewise. + + * dwarf2out.c (address_of_int_loc_descriptor): Break out from ... + (loc_descriptor): ... here; + (loc_list_for_address_of_addr_expr_of_indirect_ref): New function. + (cst_pool_loc_descr): Break out from ...; do not reffer constant + pool items that was not marked for output. + (loc_list_from_tree): ... here; handle special cases of ADDR_EXPR; + (loc_list_for_address_of_addr_expr_of_indirect_ref): New function. + (loc_list_for_address_of_addr_expr_of_indirect_ref): New function. + handle ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, REALPART_EXPR, + IMAGPART_EXPR; handle address of INTEGER_CST; improve handling of + CONSTRUCTOR; handle REAL_CST, STRING_CST, COMPLEX_CST; use + DW_OP_stack_value to get address of items that are not available + as addresses. + (dw_loc_list): Handle single element lists correctly. + +2009-09-20 Kai Tietz <kai.tietz@onevision.com> + Pascal Obry <obry@adacore.com> + + * unwind-dw2-fde.c (classify_object_over_fdes): + Cast the constant 1 to _Unwind_Ptr. + (add_fdes): Likewise. + (linear_search_fdes): Likewise. + +2009-09-20 Eric Botcazou <ebotcazou@adacore.com> + + * stor-layout.c (set_sizetype): Avoid useless type copy. + +2009-09-20 Richard Sandiford <rdsandiford@googlemail.com> + + * configure.ac (gcc_cv_ld_mips_personality_relaxation): New + feature check. + (HAVE_LD_PERSONALITY_RELAXATION): New macro definition. + * configure, config.in: Regenerate. + * dwarf2asm.c (eh_data_format_name): Handle DW_EH_PE_indirect | + DW_EH_PE_absptr. + * config/mips/mips.h (TARGET_WRITABLE_EH_FRAME): New macro. + (ASM_PREFERRED_EH_DATA_FORMAT): Define. Use MIPS_EH_INDIRECT + for global data if the output could be used in a shared library. + * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm + to 0 if TARGET_WRITABLE_EH_FRAME. + +2009-09-20 Paolo Bonzini <bonzini@gnu.org> + + PR rtl-optimization/39886 + * combine.c (update_cfg_for_uncondjump): Set EDGE_FALLTHRU + just when insn is equal to BB_END (bb). + +2009-09-19 Adam Nemet <anemet@caviumnetworks.com> + + * config/mips/mips.opt (mrelax-pic-calls): New option. + * config/mips/mips.c (mips_strip_unspec_address): Move it up in + the file. + (mips_unspec_call): Change "unspec_call" expander into this. + (mips_strip_unspec_call): New function. + (mips_got_load): Call mips_unspec_call instead of + gen_unspec_call<mode>. + (mips16_build_call_stub): Fix comment for fp_code. Adjust call to + MIPS_CALL. + (mips_cfg_in_reorg): New function. + (mips16_lay_out_constants): Use it to decide whether to call + CFG-aware insn splitting. + (r10k_insert_cache_barriers): Move CFG set-up code from here to + mips_reorg. Move DF set-up code from here ... + (mips_df_reorg): ... to here. Call r10k_insert_cache_barriers + from here. + (mips_reorg): Call mips_df_reorg instead of + r10k_insert_cache_barriers. Move CFG set-up code here from + r10k_insert_cache_barriers. + (mips_call_expr_from_insn): New function. + (mips_pic_call_symbol_from_set): Likewise. + (mips_find_pic_call_symbol): Likewise. + (mips_annotate_pic_call_expr): Likewise. + (mips_get_pic_call_symbol): Likewise. + (mips_annotate_pic_calls): Likewise. + (mips_override_options): Disable -mrelax-pic-calls unless PIC + calls are used. + (mips_set_mips16_mode): Disable -mrelax-pic-calls for MIPS16. + * config/mips/mips-protos.h (mips_get_pic_call_symbol): Declare it. + * config/mips/mips.h (MIPS_CALL): Use it to print the .reloc + directive. + * config/mips/mips.md (UNSPEC_CALL_ATTR): New unspec. + (unspec_call<mode>): Remove it. + (sibcall_internal, sibcall_value_internal, + sibcall_value_multiple_internal, call_internal, call_split, + call_value_internal, call_value_split, + call_value_multiple_internal, call_value_multiple_split): Pass + SIZE_OPNO to MIPS_CALL. + (call_internal_direct, call_direct_split, + call_value_internal_direct, call_value_direct_split): Pass -1 as + SIZE_OPNO to MIPS_CALL. + * configure.ac <mips*-*-*>: Add test for .reloc R_MIPS_JALR. + * configure: Regenerate. + * doc/invoke.texi (Option Summary): Add -mrelax-pic-calls + and -mno-relax-pic-calls. + (MIPS Options): Document -mrelax-pic-calls and -mno-relax-pic-calls. + +2009-09-19 Ralf Wildenhues <Ralf.Wildenhues@gmx.de> + + PR bootstrap/35619 + * Makefile.in (stmp-fixinc): Ensure `include-fixed' is created + in the directory this rule is called from, rather than the + toplevel 'gcc' directory, to fix in-tree build. + +2009-09-19 Chris Demetriou <cgd@google.com> + + PR preprocessor/28435: + * c-opts.c (c_common_handle_option): For -MD and -MMD, indicate + to cpplib that the preprocessor output is needed. + +2009-09-19 Jakub Jelinek <jakub@redhat.com> + + * config/rs6000/rs6000.md (*save_gpregs_<mode>, *save_fpregs_<mode>, + *restore_gpregs_<mode>, *return_and_restore_gpregs_<mode>, + *return_and_restore_fpregs_<mode>, + *return_and_restore_fpregs_aix_<mode>): Remove 'z' operand modifier. + + PR bootstrap/41397 + * dwarf2out.c (mem_loc_descriptor) <case SUBREG>: Recurse + instead of assuming it has always a REG inside of it. + +2009-09-18 Gerald Pfeifer <gerald@pfeifer.com> + + * config/freebsd.h: Update comment on types. + (WINT_TYPE): Define. + +2009-09-18 Jason Merrill <jason@redhat.com> + + * c.opt: Add -fno-deduce-init-list. + +2009-09-18 Neil Vachharajani <nvachhar@google.com> + + * value-prof.c (interesting_stringop_to_profile_p): Added output + argument to indicate which parameter is the size parameter. + * value-prof.c (gimple_stringop_fixed_value): Use + INTERESTING_STRINGOP_TO_PROFILE_P to find size argument. + * value-prof.c (gimple_stringops_transform): Update call sites to + INTERESTING_STRINGOP_TO_PROFILE_P to reflect parameter change. + +2009-09-18 Uros Bizjak <ubizjak@gmail.com> + + PR target/38288 + From David Binderman <dcb314@hotmail.com>: + * gcc/config/i386/i386.c (ix86_function_regparm): Remove useless + local variable f. Remove stale comments. + (ix86_compute_frame_layout): Remove useless local variable total_size. + Remove #if 0'd code. + (legitimate_address_p): Remove useless local variables + reason_rtx and reason. + (ix86_split_copysign_const): Remove useless local variable op1. + (scale_counter): Remove useless local variable piece_size_mask. + +2009-09-18 Jakub Jelinek <jakub@redhat.com> + + * stmt.c (expand_asm_operands): Set REG_ATTRS on the temporary from + output decl. + +2009-09-17 Michael Haubenwallner <michael.haubenwallner@salomon.at> + + PR target/40913 + * config/pa/t-hpux-shlib: Set soname in libgcc_s.sl. + +2009-09-17 Jakub Jelinek <jakub@redhat.com> + + * c-decl.c (finish_struct): Adjust DECL_SOURCE_LOCATION of + TYPE_STUB_DECL. + +2009-09-17 Alexandre Oliva <aoliva@redhat.com> + + * dwarf2out.c (loc_descriptor): Emit DW_OP_stack_value and + DW_OP_implicit_value even without dwarf_version 4. + +2009-09-17 Jan Hubicka <jh@suse.cz> + + * dwarf2out.c: Include tree-pass.h and gimple.h. + (loc_list_plus_const): New function. + (loc_descriptor_from_tree_1): Rename to ... + (loc_descriptor_from_tree): ... remove original. + (loc_list_from_tree): New function. + (add_AT_location_description): Accept location list. + (tls_mem_loc_descriptor): Update call of loc_descriptor_from_tree. + (concatn_mem_loc_descriptor): Remove. + (mem_loc_descriptor): Handle CONCAT/CONCATN and VAR_LOCATION by + returning NULL. + (secname_for_decl): Move up. + (hidden_reference_p): New function; break out from ... + (loc_by_refernece): ... here; move up. + (dw_loc_list): New function. + (single_element_loc_list): New function. + (single_element_loc_list_p): New function. + (add_loc_descr_to_each): New function. + (add_loc_list): New function. + (loc_descr_from_tree): Make wraper of loc_list_from_tree. + (loc_list_from_tree): Reroganized from loc_descr_from_tree; + add diagnostics why expansion failed. + (add_location_or_const_value_attribute): Support location lists. + (add_bound_info): Likewise. + (descr_info_loc): Update call of loc_descriptor_from_tree. + (gen_variable_die): Work on location lists. + * final.c (pass_final): Add dump file. + * Makefile.in (dwarf2out.o): Add new dependencies. + +2009-09-17 Janis Johnson <janis187@us.ibm.com> + + PR c/41049 + * real.c decimal_from_integer, decimal_integer_string): New. + (real_from_integer): Use them as special case for decimal float. + * config/dfp-bit.c (_si_to_sd, _usi_to_sd): Use default rounding. + (_di_to_sd, _di_to_dd, _di_to_td, _udi_to_sd, _udi_to_dd, _udi_to_td): + Do not append zero after the decimal point in string to convert. + +2009-09-17 Alexander Monakov <amonakov@ispras.ru> + + * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only + for ARRAY_REFs. Use array_ref_{low,up}_bound to determine bounds. + +2009-09-17 Martin Jambor <mjambor@suse.cz> + + * common.opt (fipa-sra): New switch. + * opts.c (decode_options): Turn flag_ipa_sra on for opt2. + * timevar.def (TV_IPA_SRA): New timevar. + * params.def (ipa-sra-ptr-growth-factor): New parameter. + * doc/invoke.texi: Document -fipa-sra and ipa-sra-ptr-growth-factor. + * tree-sra.c: Include cgraph.c. + (enum sra_mode): Added SRA_MODE_EARLY_IPA. + (struct access): Added fields stmt, grp_maybe_modified, grp_scalar_ptr + and grp_not_necessarilly_dereferenced. + (func_param_count): New variable. + (encountered_apply_args): New variable. + (bb_dereferences): New variable. + (final_bbs): New variable. + (no_accesses_representant): New variable. + (no_accesses_p): New function. + (dump_access): Dump the new fields. + (sra_initialize): Set encountered_apply_args to false. + (get_ssa_base_param): New function. + (mark_parm_dereference): New function. + (create_access): Caring for INIDRECT_REFs and different handling of + varialble length accesses in early IPA SRA. Store the stmt - a new + parameter - to the new access. + (build_access_from_expr_1): New parameter stmt, passed to + create_access. Handle INDIRECT_REFs. + (build_access_from_expr): Pass the current statement to + build_access_from_expr_1. + (disqualify_ops_if_throwing_stmt): Trigger only in intraprocedural + passes. + (build_accesses_from_assign): Pass the current statement to + build_access_from_expr_1. Do not create assign links in IPA-SRA. + (scan_function): Call handle_ssa_defs on phi nodes. Set bits in + final_bbs when necessary. Check for calls to __builtin_apply_args. + Fixup EH info if anythng was changed. + (is_unused_scalar_param): New function. + (ptr_parm_has_direct_uses): New function. + (find_param_candidates): New function. + (mark_maybe_modified): New function. + (analyze_modified_params): New function. + (propagate_dereference_distances): New function. + (dump_dereferences_table): New function. + (analyze_caller_dereference_legality): New function. + (unmodified_by_ref_scalar_representative): New function. + (splice_param_accesses): New function. + (decide_one_param_reduction): New function. + (enum ipa_splicing_result): New type. + (splice_all_param_accesses): New function. + (get_param_index): New function. + (turn_representatives_into_adjustments): New function. + (analyze_all_param_acesses): New function. + (get_replaced_param_substitute): New function. + (get_adjustment_for_base): New function. + (replace_removed_params_ssa_names): New function. + (sra_ipa_reset_debug_stmts): New function. + (sra_ipa_modify_expr): New function. + (sra_ipa_modify_assign): New function. + (convert_callers): New function. + (modify_function): New function. + (ipa_sra_preliminary_function_checks): New function. + (ipa_early_sra): New function. + (ipa_early_sra_gate): New function. + (pass_early_ipa_sra): New variable. + * Makefile.in (tree-sra.o): Add cgraph.h to dependencies. + +2009-09-17 Michael Matz <matz@suse.de> + + PR middle-end/41347 + * tree.c (build_type_attribute_qual_variant): Export. + * tree.h (build_type_attribute_qual_variant): Declare. + * tree-inline.c (remap_type_1): Use it to build variants with + the original qualifiers and attributes. + +2009-09-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com> + + * cfglayout.c (fixup_reorder_chain): Accept conditional jumps + without a fallthrough edge. + +2009-09-16 DJ Delorie <dj@redhat.com> + + * config/m32c/m32c.c (m32c_emit_epilogue): Check for R8C or M16C + chip and ignore the "fast_interrupt" attribute if so. + +2009-09-16 Richard Henderson <rth@redhat.com> + + PR middle-end/41360 + * cfgbuild.c (find_bb_boundaries): Really re-instate 2009-09-02 + barrier fix. + +2009-09-16 Richard Henderson <rth@redhat.com> + + PR target/41246 + * tree-cfg.c (verify_gimple_call): Validate that gimple_call_chain + is set only if DECL_NO_STATIC_CHAIN is unset. + * tree-nested.c (iter_nestinfo_start, iter_nestinfo_next): New. + (FOR_EACH_NEST_INFO): New. + (walk_all_functions): Use it. + (finalize_nesting_tree): Likewise. + (unnest_nesting_tree): Likewise. + (free_nesting_tree): Use iter_nestinfo_start, iter_nestinfo_next. + (get_chain_decl, get_chain_field): Reset DECL_NO_STATIC_CHAIN. + (convert_gimple_call): Early out if gimple_call_chain already set. + (convert_all_function_calls): Iterate until no new functions + require a static chain. + (finalize_nesting_tree_1): Assert DECL_NO_STATIC_CHAIN is unset + when building a trampoline. Use dump_function_to_file instead + of dump_function. + (lower_nested_functions): Open dump_file. Validate that decls + that have DECL_NO_STATIC_CHAIN from the front end don't have that + bit reset by this pass. + +2009-09-16 Michael Matz <matz@suse.de> + + PR fortran/41212 + * tree.h (struct tree_decl_common): Add decl_restricted_flag, + shorten decl_common_unused. + (DECL_RESTRICTED_P): New accessor. + * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Use it + to disambiguate marked decls and restrict pointers. + +2009-09-16 Richard Henderson <rth@redhat.com> + + PR middle-end/41360 + * cfgbuild.c (find_bb_boundaries): Re-instate 2009-09-02 barrier fix. + +2009-09-16 Jakub Jelinek <jakub@redhat.com> + + * integrate.c (set_block_abstract_flags): Call + set_decl_abstract_flags also on BLOCK_NONLOCALIZED_VARs. + +2009-09-16 Richard Guenther <rguenther@suse.de> + + PR middle-end/34011 + * tree-flow-inline.h (may_be_aliased): Compute readonly variables + as non-aliased. + +2009-09-16 DJ Delorie <dj@redhat.com> + Kaz Kojima <kkojima@gcc.gnu.org> + + * config/sh/sh.c (output_stack_adjust): Add new argument frame_p. + (sh_expand_prologue): Update calls to output_stack_adjust. + (sh_expand_epilogue): Likewise. + +2009-09-15 Adam Nemet <anemet@caviumnetworks.com> + + PR bootstrap/41349 + * reorg.c (redundant_insn): Don't count notes or DEBUG_INSNs when + trying to limit the extent of searches in the insn stream. + +2009-09-15 Nathan Froyd <froydnj@codesourcery.com> + Jakub Jelinek <jakub@redhat.com> + + PR target/41175 + PR target/40677 + * config/rs6000/rs6000.c (no_global_regs_above): Fix precedence + problem. + (SAVRES_NOINLINE_GPRS_SAVES_LR, SAVRES_NOINLINE_FPRS_SAVES_LR, + SAVRES_NOINLINE_FPRS_DOESNT_RESTORE_LR): New strategy bits. + (rs6000_savres_strategy): Always save FP registers inline if the + target doesn't support hardware double-precision. Set the above + bits in return value when needed. + (rs6000_savres_routine_sym): Fix computation for cache selector. + Mark the generated symbol as a function. Rename exitp argument to + lr. Move code for determining the name of the symbol... + (rs6000_savres_routine_name): ...here. New function. Add cases for + getting the names right on AIX and 64-bit Linux. + (savres_routine_name): New variable. + (rs6000_make_savres_rtx): Rename exitp argument to lr. Don't assert + lr isn't set when savep. Use r12 resp. r1 instead of r11 depending + on what the target routine uses as a base register. If savep && lr + describe saving of r0 into memory slot. + (rs6000_emit_prologue): Correct use of call_used_regs. Fix out of + line calls for AIX ABI. + (rs6000_output_function_prologue): Use rs6000_savres_routine_name to + determine FP save/restore functions. + (rs6000_emit_stack_reset): Handle savres if sp_offset != 0 and + frame_reg_rtx != sp_reg_rtx. Use gen_add3_insn instead of + gen_addsi3. + (rs6000_emit_epilogue): Adjust computation of restore_lr. + Duplicate restoration of LR and execute the appropriate one + depending on whether GPRs are being restored inline. Set r11 from + offsetted frame_reg_rtx instead of sp_reg_rtx; if frame_reg_rtx is + r11, adjust sp_offset. Use gen_add3_insn instead of gen_addsi3. + Fix out of line calls for AIX ABI. + * config/rs6000/rs6000.md (*return_and_restore_fpregs_aix_<mode>): + New insn. + * config/rs6000/spe.md (*save_gpregs_spe): Use explicit match for + register 11. + (*restore_gpregs_spe): Likewise. + (*return_and_restore_gpregs_spe): Likewise. + * config/rs6000/linux64.h (SAVE_FP_SUFFIX, RESTORE_FP_SUFFIX): + Define to empty string unconditionally. + * config/rs6000/sysv4.h (SAVE_FP_SUFFIX, RESTORE_FP_SUFFIX): + Define to empty string unconditionally. + (GP_SAVE_INLINE, FP_SAVE_INLINE): Handle TARGET_64BIT the same as + !TARGET_64BIT. + +2009-09-15 Jan Hubicka <jh@suse.cz> + + * doc/invoke.texi (inline-insns-auto): Drop from 60 to 50. + * params.def (inline-insns-auto): Likewise. + +2009-09-15 Martin Jambor <mjambor@suse.cz> + + * ipa-inline.c (estimate_function_body_sizes): Dump info about + individual statements only at TDF_DETAILS dump level. Format + source for 80 characters per line. + +2009-09-15 Christian Bruel <christian.bruel@st.com> + + * regrename.c (do_replace): Update REG_DEAD notes. + +2009-09-15 Revital Eres <eres@il.ibm.com> + + * doc/tm.texi (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Document. + * targhooks.c (default_builtin_support_vector_misalignment): + New builtin function. + * targhooks.h (default_builtin_support_vector_misalignment): + Declare. + * target.h (builtin_support_vector_misalignment): + New field in struct gcc_target. + * tree-vect-data-refs.c (vect_supportable_dr_alignment): Call + new builtin function. + * target-def.h (TARGET_SUPPORT_VECTOR_MISALIGNMENT): + Define. + * config/rs6000/rs6000.c + (rs6000_builtin_support_vector_misalignment): New function. + (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Define. + +2009-09-15 Jie Zhang <jie.zhang@analog.com> + + * config/bfin/bfin.c (length_for_loop): Use NONDEBUG_INSN_P + instead of INSN_P. + (bfin_optimize_loop): Likewise. + (bfin_gen_bundles): Likewise. + (workaround_speculation): Likewise. + (find_load): Return NULL_RTX for debug_insn. + +2009-09-15 Uros Bizjak <ubizjak@gmail.com> + + * config/alpha/alpha.md (smaxsf3): Disable for IEEE mode. + (sminsf3): Ditto. + +2009-09-14 DJ Delorie <dj@redhat.com> + + * config/mep/mep.h (JUMP_TABLES_IN_TEXT_SECTION): Define. + * config/mep/mep.c (mep_emit_cbranch): Don't use BEQZ/BNEI in + VLIW mode. + +2009-09-14 Richard Henderson <rth@redhat.com> + Jakub Jelinek <jakub@redhat.com> + + * builtins.c (expand_builtin_synchronize): Use gimple_build_asm_vec. + * cfgbuild.c (make_edges): Handle asm goto. + * cfglayout.c (fixup_reorder_chain): Likewise. + * cfgrtl.c (patch_jump_insn): Likewise. + * gimple-pretty-print.c (dump_gimple_asm): Likewise. + * gimple.c (gimple_build_asm_1): Add and use nlabels parameter. + (gimple_build_asm_vec): Add and use labels parameter. + (gimple_build_asm): Remove. + (walk_gimple_asm): Walk labels too. + * gimple.def (GIMPLE_ASM): Update docs. + * gimple.h: Update decls. + (struct gimple_statement_asm): Change nc to use unsigned char; + add nl member. + (gimple_asm_nlabels): New. + (gimple_asm_label_op, gimple_asm_set_label_op): New. + * gimplify.c (gimplify_asm_expr): Copy labels from ASM_EXPR + into gimple_build_asm_vec. + * jump.c (mark_jump_label_asm): New. + (mark_jump_label): Use it. + (redirect_jump_1): Handle asm goto. + (invert_jump_1): Soft fail if X is null. + * recog.c (extract_asm_operands): New. + (asm_noperands): Use it; handle asm labels. + (decode_asm_operands): Use extract_asm_operands. + (asm_operand_ok): Properly handle empty string. + * reg-stack.c (get_asm_operands_in_out): Rename from + get_asm_operand_n_inputs; use extract_asm_operands; return both + inputs and outputs by reference; update all callers. + * rtl.def (ASM_OPERANDS): Add label vector as operand 6. + * rtl.h (ASM_OPERANDS_LABEL_VEC): New. + (ASM_OPERANDS_LABEL_LENGTH, ASM_OPERANDS_LABEL): New. + (ASM_OPERANDS_SOURCE_LOCATION): Renumber. + (extract_asm_operands): Declare. + * stmt.c (expand_asm_operands): Add and use labels parameter. + (check_unique_operand_names): Likewise. + (resolve_asm_operand_names, resolve_operand_name_1): Likewise. + (expand_asm_stmt): Handle asm labels. + * tree-cfg.c (make_gimple_asm_edges): New. + (make_edges): Use it. + (cleanup_dead_labels): Handle asm labels. + (is_ctrl_altering_stmt): Likewise. + (gimple_redirect_edge_and_branch): Likewise. + * tree.def (ASM_EXPR): Add 5th operand. + * tree.h (ASM_LABELS): New. + (resolve_asm_operand_names): Update decl. + + * c-parser.c (c_parser_asm_statement): Parse asm goto. + (c_parser_asm_goto_operands): New. + * c-tree.h (build_asm_expr): Update decl. + * c-typeck.c (build_asm_expr): Add and use labels parameter. + * doc/extend.texi: Document asm goto. + +2009-09-14 Richard Henderson <rth@redhat.com> + + * except.h: Update declarations. + (struct pointer_map_t): Forward declare. + (ERT_UNKNOWN, ERT_THROW, ERT_CATCH): Remove. + (struct eh_landing_pad_d, eh_landing_pad): New. + (struct eh_catch_d, eh_catch): New. + (struct eh_region_d): Remove next_region_sharing_label, aka, + label, tree_label, landing_pad, post_landing_pad, resume, + may_contain_throw. Rename region_number to index. Remove + u.eh_catch, u.eh_throw. Rename u.eh_try.eh_catch to first_catch. + Add u.must_not_throw, landing_pads, exc_ptr_reg, filter_reg. + (VEC(eh_landing_pad,gc)): New. + (struct eh_status): Remove last_region_number. Add lp_array, + throw_stmt_table, ttype_data, ehspec_data. + (ehr_next, FOR_ALL_EH_REGION_AT): New. + (FOR_ALL_EH_REGION_FN, FOR_ALL_EH_REGION): New. + * except.c (lang_protect_cleanup_actions): Return tree. + (struct ehl_map_entry): Remove. + (init_eh_for_function): Push zero entries for region and lp_array. + (gen_eh_region): Add to region_array immediately. + (gen_eh_region_catch): Operate on eh_catch objects. + (gen_eh_landing_pad): New. + (get_eh_region_may_contain_throw, get_eh_region_tree_label): Remove. + (get_eh_region_no_tree_label, set_eh_region_tree_label): Remove. + (get_eh_region_from_number, get_eh_region_from_number_fn): New. + (get_eh_landing_pad_from_number_fn): New. + (get_eh_landing_pad_from_number): New. + (get_eh_region_from_lp_number_fn): New. + (get_eh_region_from_lp_number): New. + (expand_resx_stmt, note_eh_region_may_contain_throw): Remove. + (get_exception_pointer, get_exception_filter): Remove. + (collect_eh_region_array, can_be_reached_by_runtime): Remove. + (current_function_has_exception_handlers): Simplify. + (bring_to_root, eh_region_replaceable_by_p): Remove. + (replace_region, hash_type_list, hash_eh_region): Remove. + (eh_regions_equal_p, merge_peers, remove_unreachable_regions): Remove. + (label_to_region_map, num_eh_regions): Remove. + (get_next_region_sharing_label, must_not_throw_labels): Remove. + (find_exception_handler_labels): Remove. + (duplicate_eh_regions_0, find_prev_try): Remove. + (struct duplicate_eh_regions_data): New. + (duplicate_eh_regions_1): Rewrite. + (duplicate_eh_regions): Return a pointer map instead of an + integer offset. + (copy_eh_region_1, copy_eh_region, push_reachable_handler): Remove. + (redirect_eh_edge_to_label): Remove. + (eh_region_outermost): Rewrite using eh_region pointers + instead of integers. + (add_ttypes_entry): Update for ttype_data move to eh_status. + (add_ehspec_entry): Rewrite with VEC instead of varray. + (assign_filter_values): Likewise. Export. + (build_post_landing_pads, connect_post_landing_pads): Remove. + (dw2_build_landing_pads): Rewrite to use lp_array. + (struct sjlj_lp_info, sjlj_find_directly_reachable_regions): Remove. + (sjlj_assign_call_site_values): Rewrite to use lp_array. + (sjlj_emit_dispatch_table, sjlj_build_landing_pads): Likewise. + (sjlj_mark_call_sites): Update for landing pad numbers. + (finish_eh_generation): Rewrite. + (gate_handle_eh): Do nothing for no eh tree. + (pass_rtl_eh): Move up near finish_eh_generation. + (remove_eh_landing_pad): New. + (remove_eh_handler): Export. + (remove_eh_region, remove_eh_handler_and_replace): Remove. + (for_each_eh_label): Rewrite to use lp_array. + (make_reg_eh_region_note): New. + (make_reg_eh_region_note_nothrow_nononlocal): New. + (insn_could_throw_p): New. + (copy_reg_eh_region_note_forward): New. + (copy_reg_eh_region_note_backward): New. + (check_handled, add_reachable_handler): Remove. + (reachable_next_level, foreach_reachable_handler): Remove. + (arh_to_landing_pad, arh_to_label, reachable_handlers): Remove. + (get_eh_region_and_lp_from_rtx): New. + (get_eh_region_from_rtx): New. + (can_throw_internal_1, can_throw_external_1): Remove. + (can_throw_internal): Use get_eh_region_from_rtx. + (can_throw_external): Use get_eh_region_and_lp_from_rtx. + (insn_nothrow_p, can_nonlocal_goto): New. + (expand_builtin_eh_common, expand_builtin_eh_pointer): New. + (expand_builtin_eh_filter, expand_builtin_eh_copy_values): New. + (add_action_record): Use VEC not varray. + (collect_one_action_chain): Update for eh_region changes. + (convert_to_eh_region_ranges): Make static. Use VEC not varray. + Use get_eh_region_and_lp_from_rtx. + (gate_convert_to_eh_region_ranges): New. + (pass_convert_to_eh_region_ranges): Use it. + (push_uleb128, push_sleb128): Use VEC not varray. + (output_one_function_exception_table): Likewise. + (dump_eh_tree): Update for eh_region changes. + (verify_eh_tree): Likewise. + (verify_eh_region, default_init_unwind_resume_libfunc): Remove. + * tree-eh.c: Include target.h. + (add_stmt_to_eh_lp_fn): Rename from add_stmt_to_eh_region_fn. + Don't disallow GIMPLE_RESX; adjust argument check. + (add_stmt_to_eh_lp): Rename from add_stmt_to_eh_region. + (record_stmt_eh_region): Update for landing pad numbers; + generate a landing pad if necessary. + (remove_stmt_from_eh_lp): Rename from remove_stmt_from_eh_region. + (remove_stmt_from_eh_lp_fn): Similarly. + (lookup_stmt_eh_lp_fn): Rename from lookup_stmt_eh_region_fn. + Update for lp numbers; don't special case missing throw_stmt_table. + (lookup_expr_eh_lp): Similarly. + (lookup_stmt_eh_lp): Rename from lookup_stmt_eh_region. + (eh_seq, eh_region_may_contain_throw): New. + (struct leh_state): Add ehp_region. + (struct leh_tf_state): Remove eh_label. + (emit_post_landing_pad): New. + (emit_resx, emit_eh_dispatch): New. + (note_eh_region_may_contain_throw): New. + (frob_into_branch_around): Take eh_region not eh label; + emit eh code into eh_seq. + (honor_protect_cleanup_actions): Early exit for no actions. Don't + handle EXC_PTR_EXPR, FILTER_EXPR. Use gimple_build_eh_must_not_throw, + lower_eh_must_not_throw. Emit code to eh_seq. + (lower_try_finally_nofallthru): Emit eh code to eh_seq. + (lower_try_finally_onedest): Likewise. + (lower_try_finally_copy): Likewise. + (lower_try_finally_switch): Likewise. + (lower_try_finally): Initialize ehp_region. + (lower_catch): Update for eh_catch objects. + (lower_eh_filter): Don't handle must_not_throw. + (lower_eh_must_not_throw): New. + (lower_cleanup): Don't set eh_label. + (lower_eh_constructs_2): Resolve eh builtins. + Handle GIMPLE_EH_MUST_NOT_THROW. + (lower_eh_constructs): Initialize eh_region_may_contain_throw. + Add eh_seq to the end of the function body. + (make_eh_dispatch_edges): New. + (make_eh_edge): Remove. + (make_eh_edges): Simplify for landing pads. + (redirect_eh_edge_1): New. + (redirect_eh_edge): Use it. + (redirect_eh_dispatch_edge): New. + (stmt_could_throw_p): Use a switch. Allow RESX. + (stmt_can_throw_external): Use lookup_stmt_eh_lp. + (stmt_can_throw_internal): Likewise. + (maybe_clean_eh_stmt_fn, maybe_clean_eh_stmt): New. + (maybe_clean_or_replace_eh_stmt): Update for landing pads. + (maybe_duplicate_eh_stmt_fn, maybe_duplicate_eh_stmt): New. + (gate_refactor_eh): New. + (pass_refactor_eh): Use it. + (lower_resx, execute_lower_resx, pass_lower_resx): New. + (lower_eh_dispatch, execute_lower_eh_dispatch): New. + (gate_lower_ehcontrol, pass_lower_eh_dispatch): New. + (remove_unreachable_handlers): Rename from + tree_remove_unreachable_handlers; rewrite for landing pads; + call remove_eh_handler directly. + (remove_unreachable_handlers_no_lp): New. + (unsplit_eh, unsplit_all_eh): New. + (tree_empty_eh_handler_p, all_phis_safe_to_merge): Remove. + (cleanup_empty_eh_merge_phis, cleanup_empty_eh_move_lp): New. + (cleanup_empty_eh_unsplit): New. + (cleanup_empty_eh): Rewrite. + (cleanup_all_empty_eh): New. + (execute_cleanup_eh): Rename from cleanup_eh. Remove unreachable + handlers first. Use unsplit_all_eh, cleanup_all_empty_eh. + (gate_cleanup_eh): New. + (pass_cleanup_eh): Use it. + (verify_eh_edges): Move later in file. Expect one EH edge. + (verify_eh_dispatch_edge): New. + + * Makefile.in (FUNCTION_H): Use vecprim.h, not varray.h. + (gtype-desc.o): Add TARGET_H. + (tree.o): Use EXCEPT_H, not except.h. + (cfgbuild.o): Add EXPR_H. + (GTFILES): Add vecprim.h. + * builtins.c (expand_builtin): Handle BUILT_IN_EH_POINTER, + BUILT_IN_EH_FILTER, BUILT_IN_EH_COPY_VALUES. + * builtins.def (BUILT_IN_UNWIND_RESUME, BUILT_IN_EH_POINTER, + BUILT_IN_EH_FILTER, BUILT_IN_EH_COPY_VALUES): New. + * calls.c (emit_call_1): Use make_reg_eh_region_note. + * cfgbuild.c (control_flow_insn_p): Use can_nonlocal_goto; tidy + calls to can_throw_internal. + (rtl_make_eh_edge): Use get_eh_landing_pad_from_rtx. + (make_edges): Don't handle RESX; use can_nonlocal_goto. + * cfgexpand.c (expand_gimple_stmt_1): Don't handle RESX. + (expand_gimple_stmt): Use make_reg_eh_region_note. + (expand_debug_expr): Don't handle EXC_PTR_EXPR and FILTER_EXPR. + (gimple_expand_cfg): Don't call convert_from_eh_region_ranges, + or find_exception_handler_labels. + * cfgrtl.c (rtl_verify_flow_info_1): Don't handle RESX. Assert + there is exacly one EH edge. Use can_nonlocal_goto and + can_throw_internal. + * cgraphunit.c (update_call_expr): Use maybe_clean_eh_stmt_fn. + (cgraph_materialize_all_clones): Use maybe_clean_or_replace_eh_stmt. + * combine.c (can_combine_p, try_combine): Use insn_nothrow_p. + * cse.c (count_reg_usage, insn_live_p): Use insn_could_throw_p. + * dce.c (deletable_insn_p_1): Don't test may_trap_p. + (deletable_insn_p): Use insn_nothrow_p; reorder nonjump insn test. + * dse.c (scan_insn): Use insn_could_throw_p. + * emit-rtl.c (try_split): Use copy_reg_eh_region_note_backward. + * expr.c (expand_expr_real): Use make_reg_eh_region_note. + (expand_expr_real_1): Don't handle RESX, EXC_PTR, or FILTER_EXPR. + * fold-const.c (tree_expr_nonnegative_warnv_p): Don't handle + EXC_PTR_EXPR or FILTER_EXPR. + (tree_expr_nonzero_warnv_p): Likewise. + * function.h: Include vecprim.h, not varray.h + (struct rtl_eh): Remove filter, exc_ptr, built_landing_pad members; + move ttype_data and ehspec_data members to struct eh_status; change + action_record_data member to a VEC. + * gcse.c (hash_scan_set): Use can_throw_internal. + * gengtype.c (open_base_files): Add target.h to gtype-desc.c. + * gimple-iterator.c (gsi_replace): Use maybe_clean_or_replace_eh_stmt. + * gimple-low.c (lower_stmt): Handle GIMPLE_EH_MUST_NOT_THROW. + (block_may_fallthru): Don't handle RESX_EXPR. + * gimple-pretty-print.c (dump_gimple_label): Dump EH_LANDING_PAD_NR. + (dump_gimple_eh_must_not_throw, dump_gimple_eh_dispatch): New. + (dump_gimple_stmt): Dump landing pad information with TDF_EH; + handle GIMPLE_EH_MUST_NOT_THROW, GIMPLE_EH_DISPATCH. + * gimple.c (gss_for_code): Handle GIMPLE_EH_MUST_NOT_THROW, + GIMPLE_EH_DISPATCH, GIMPLE_RESX. + (gimple_size): Likewise. + (gimple_build_eh_dispatch, gimple_build_eh_must_not_throw): New. + (gimple_build_resx): Use gimple_build_with_ops. + (DEFTREECODE): Don't handle EXC_PTR_EXPR, FILTER_EXPR. + (is_gimple_val): Likewise. + (is_gimple_stmt): Remove RESX_EXPR. + * gimple.def (GIMPLE_EH_MUST_NOT_THROW, GIMPLE_EH_DISPATCH): New. + (GIMPLE_RESX): Reorder with other EH constructs. + * gimple.h (struct gimple_statement_eh_mnt): New. + (struct gimple_statement_eh_ctrl): Rename from gimple_statement_resx. + (gimple_eh_filter_must_not_throw): Remove. + (gimple_eh_filter_set_must_not_throw): Remove. + (gimple_eh_must_not_throw_fndecl): New. + (gimple_eh_dispatch_region, gimple_eh_dispatch_set_region): New. + (is_gimple_resx): New. + * gimplify.c (gimplify_expr): Don't handle EXC_PTR_EXPR, RESX_EXPR. + Don't copy EH_FILTER_MUST_NOT_THROW. + * gsstruct.def (GSS_EH_MNT, GSS_EHCONTROL): New. + * ipa-inline.c (estimate_function_body_sizes): Don't try to + handle must_not_throw_labels specially. + * ipa-pure-const.c (check_call): Update debug statement for LP. + * ipa-type-escape.c (check_operand): Don't handle EXC_PTR or FILTER. + * ipa-utils.c (get_base_var): Likewise. + * libfunc.h (LTI_unwind_resume, unwind_resume_libfunc): Remove. + * lower-subreg.c (move_eh_region_note): Remove. + (resolve_simple_move): Use copy_reg_eh_region_note_forward. + * omp-low.c (new_omp_context): Update for eh_lp_nr. + (create_task_copyfn): Likewise. + (maybe_catch_exception): Use gimple_build_eh_filter. + * optabs.c (emit_libcall_block): Update test for no-nonlocal-goto + REG_EH_REGION. Use make_reg_eh_region_note_nothrow_nononlocal. + * passes.c (init_optimization_passes): Add pass_lower_eh_dispatch + and pass_lower_resx. + * print-tree.c (print_node): Dump EH_LANDING_PAD_NR. + * recog.c (peephole2_optimize): Use copy_reg_eh_region_note_backward, + can_throw_internal, can_nonlocal_goto. + * reload1.c (fixup_eh_region_note): Use insn_could_throw_p, + copy_reg_eh_region_note_forward. + (emit_input_reload_insns): Use copy_reg_eh_region_note_forward. + (emit_output_reload_insns): Likewise. + (copy_eh_notes): Remove. + * rtl.def (RESX): Remove. + * rtl.h: Update declarations. + * sese.c (graphite_copy_stmts_from_block): Use maybe_duplicate_eh_stmt. + * tree-cfg.c (make_edges): Handle GIMPLE_EH_DISPATCH. + (update_eh_label): Remove. + (cleanup_dead_labels_eh): New. + (cleanup_deal_labels): Use it instead of update_eh_label. + (gimple_merge_blocks): Update landing pad data structure when + removing a landing pad label. + (remove_useless_stmts_tc): Remove gimple_eh_filter_must_not_throw + test; handle GIMPLE_EH_MUST_NOT_THROW. + (is_ctrl_altering_stmt): Handle GIMPLE_EH_DISPATCH. + (verify_gimple_assign_single): Don't handle EXC_PTR or FILTER_EXPR. + (verify_types_in_gimple_stmt): Handle GIMPLE_EH_DISPATCH. + (verify_stmt): Likewise. Verify landing pads. + (gimple_redirect_edge_and_branch): Handle GIMPLE_EH_DISPATCH. + (gimple_duplicate_bb): Use maybe_duplicate_eh_stmt. + (struct move_stmt_d): Add eh_map. + (move_stmt_eh_region_nr, move_stmt_eh_region_tree_nr): New. + (move_stmt_r): Remap eh region numbers in builtin calls, + resx and eh_dispatch. + (move_block_to_fn): Remove eh_offset parameter. Use + maybe_duplicate_eh_stmt_fn. + (find_outermost_region_in_block): Operate on eh_region pointers + instead of region numbers. + (move_sese_region_to_fn): Expect eh_map instead of eh_offset from + duplicate_eh_regions. + * tree-cfgcleanup.c (tree_forwarder_block_p): Move entry block edge + test earlier. Disallow EH landing pads. + * tree-cfa.c (create_tree_common_ann): Don't set ann->rn. + * tree-flow.h: Update declarations. + (struct tree_ann_common_d): Replace rn with lp_nr. + * tree-inline.c (copy_tree_body_r): Don't handle RESX_EXPR. + (remap_eh_region_nr, remap_eh_region_tree_nr): New. + (remap_gimple_stmt): Remap eh region numbers in builtin calls, + resx and eh_dispatch. + (copy_bb): Use maybe_duplicate_eh_stmt_fn. + (copy_edges_for_bb): Use make_eh_dispatch_edges. + (copy_cfg_body): Expect eh_map instead of eh_region_offset + from duplicate_eh_regions. + (estimate_num_insns): Don't handle EXC_PTR_EXPR or FILTER_EXPR; + update RESX; handle EH_DISPATCH. + (expand_call_inline): Set eh_lp_nr, not eh_region. + (maybe_inline_call_in_expr): Likewise. + * tree-inline.h (struct copy_body_data): Replace eh_region with + eh_lp_nr, eh_region_offset with eh_map. + * tree-optimize.c (execute_fixup_cfg): Use maybe_clean_eh_stmt. + * tree-pass.h (pass_lower_eh_dispatch, pass_lower_resx): New. + * tree-pretty-print.c (dump_generic_node): Don't handle + EXC_PTR_EXPR, FILTER_EXPR, RESX_EXPR. + * tree-sra.c (scan_function): Use maybe_clean_eh_stmt. + * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Don't handle + EXC_PTR_EXPR, FILTER_EXPR. + * tree-ssa-operands.c (get_expr_operands): Likewise. + * tree-ssa-propagate.c (valid_gimple_rhs_p): Likewise. + * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise. + (ao_ref_init_from_vn_reference): Likewise. + * tree-ssa-sink.c (statement_sink_location): Likewise. + * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise. + (mark_virtual_phi_result_for_renaming): Export. Tidy. + * tree-ssa-pre.c (get_or_alloc_expr_for): Don't handle + EXC_PTR_EXPR, FILTER_EXPR. + (is_exception_related): Remove. + (compute_avail): Don't call it. + * tree-ssa-structalias.c: Remove VEC definitions for int and unsigned. + * tree.c (find_decls_types_in_eh_region): Update for eh_region changes. + (find_decls_types_in_node): Use FOR_ALL_EH_REGION_FN. + (build_common_builtin_nodes): Add enable_cxa_end_cleanup parameter. + Build EH builtins. + (build_resx): Remove. + * tree.def (EXC_PTR_EXPR, FILTER_EXPR, RESX_EXPR): Remove. + * tree.h: Update declarations. + (EH_FILTER_MUST_NOT_THROW): Remove. + (struct tree_label_decl): Add eh_landing_pad_nr. + (EH_LANDING_PAD_NR): New. + * value-prof.c (gimple_ic): Tidy variable names. Update for + landing pad numbers. + (gimple_stringop_fixed_value): Tidy variable names. Assert + that neither call stmt can throw. + * vecprim.h (uchar): New. + (VEC(uchar,heap), VEC(uchar,gc)): New. + + * c-common.c (c_define_builtins): Update call to + build_common_builtin_nodes. + * c-parser.c (c_parse_file): Don't call + default_init_unwind_resume_libfunc. + +2009-09-14 Richard Sandiford <rdsandiford@googlemail.com> + + * config/mips/mips-protos.h (mips_cfun_has_cprestore_slot_p): Declare. + (mips_cprestore_address_p): Likewise. + (mips_save_gp_to_cprestore_slot): Likewise. + (mips_restore_gp): Rename to... + (mips_restore_gp_from_cprestore_slot): ...this. + (mips_must_initialize_gp_p): Declare. + (mips_emit_save_slot_move): Likewise. + (mips_output_load_label): Return nothing. + (mips_eh_uses): Declare. + * config/mips/mips.h (TARGET_SPLIT_CALLS): Require epilogue_completed. + (TARGET_CPRESTORE_DIRECTIVE): New macro. + (TARGET_ABSOLUTE_JUMPS): Likewise. + (EH_USES): Likewise. + (FIRST_PSEUDO_REGISTER): Update comment. + (MIPS_ABSOLUTE_JUMP): New macro, extracted from... + (MIPS_CALL): ...here. + (REGISTER_NAMES): Add $cprestore. + * config/mips/mips.c (machine_function): Remove has_gp_insn_p. + Add load_label_length, has_inflexible_gp_insn_p, + has_flexible_gp_insn_p, must_initialize_gp_p and + must_restore_gp_when_clobbered_p. + (mips_expand_call): Don't generate split instructions here. + (mips_split_call): Update the call to mips_restore_gp after + the above name change. + (mips16_cfun_returns_in_fpr_p): Move earlier in file. + (mips_find_gp_ref): New function. + (mips_insn_has_inflexible_gp_ref_p): Likewise. + (mips_cfun_has_inflexible_gp_ref_p): Likewise. + (mips_insn_has_flexible_gp_ref_p): Likewise. + (mips_cfun_has_flexible_gp_ref_p): Likewise. + (mips_function_has_gp_insn): Delete. + (mips_global_pointer): Drop the df_regs_ever_live_p check. + Use the new functions above. Only return INVALID_REGNUM + for TARGET_ABSOLUTE_JUMPS. + (mips_must_initialize_gp_p): New function. + (mips_get_cprestore_base_and_offset): New function, extracted from... + (mips_cprestore_slot): ...here. Take a bool parameter. + (mips_cfun_has_cprestore_slot_p): New function. + (mips_cprestore_address_p): Likewise. + (mips_save_gp_to_cprestore_slot): Likewise. + (mips_restore_gp): Rename to... + (mips_restore_gp_from_cprestore_slot): ...this. Assert + epilogue_completed. Update the call to mips_cprestore_slot. + Test cfun->machine->must_restore_gp_when_clobbered_p. + (mips_direct_save_slot_move_p): New function. + (mips_emit_save_slot_move): Likewise. + (mips_output_cplocal): Test mips_must_initialize_gp_p () instead + of cfun->machine->global_pointer. + (mips_output_function_prologue): Check mips_must_initialize_gp_p (). + (mips_save_reg): Use mips_emit_save_slot_move. + (mips_expand_prologue): Set must_initialize_gp_p. + Use mips_cfun_has_cprestore_slot_p. Use gen_potential_cprestore + for all cprestore saves. Emit a use_cprestore instruction after + setting up the cprestore slot. + (mips_restore_reg): Use mips_emit_save_slot_move. + (mips_process_load_label): New function. + (mips_load_label_length): Likewise. + (mips_output_load_label): Don't return asm: output it here instead. + Use mips_process_load_label. + (mips_adjust_insn_length): Adjust the length of branch instructions + that have length MAX_PIC_BRANCH_LENGTH. + (mips_output_conditional_branch): Update the call to + mips_output_load_label. Assume the branch target is OPERANDS[0] + rather than OPERANDS[1]. Use MIPS_ABSOLUTE_JUMP for absolute jumps. + (mips_output_order_conditional_branch): Swap the meaning of + OPERANDS[0] and OPERANDS[1]. + (mips_variable_issue): Don't count ghost instructions. + (mips_expand_ghost_gp_insns): New function. + (mips_reorg): Rerun mips_reorg_process_insns if it returns true. + (mips_output_mi_thunk): Set must_initialize_gp_p. + (mips_eh_uses): New function. + * config/mips/predicates.md (cprestore_save_slot_operand) + (cprestore_load_slot_operand): New predicates. + * config/mips/mips.md (UNSPEC_POTENTIAL_CPRESTORE): New unspec. + (UNSPEC_MOVE_GP): Likewise. + (UNSPEC_CPRESTORE, UNSPEC_RESTORE_GP, UNSPEC_EH_RETURN) + (UNSPEC_CONSTTABLE_INT, UNSPEC_CONSTTABLE_FLOAT): Bump to make room. + (CPRESTORE_SLOT_REGNUM): New register. + (MAX_PIC_BRANCH_LENGTH): New constant. + (jal_macro): Use MIPS_ABSOLUTE_JUMPS. + (length): Use MAX_PIC_BRANCH_LENGTH as a placeholder for PIC long + branches. Fix commentary. + (loadgp_newabi_<mode>): Change from unspec_volatile to unspec. + Only split if mips_must_initialize_gp_p; expand to nothing otherwise. + Change type to "ghost". + (loadgp_absolute_<mode>): Likewise. + (loadgp_rtp_<mode>): Likewise. + (copygp_mips16): Likewise. + (loadgp_blockage): Remove redundant mode attribute. + (potential_cprestore): New instruction. + (cprestore): Turn into an unspec set. + (use_cprestore): New instruction. + (*branch_fp): Swap operands 0 and 1. Remove redundant mode attribute. + (*branch_fp_inverted): Likewise. + (*branch_order<mode>): Likewise. + (*branch_order<mode>_inverted): Likewise. + (*branch_equality<mode>): Likewise. + (*branch_equality<mode>_inverted): Likewise. + (*branch_bit<bbv><mode>): Likewise. + (*branch_bit<bbv><mode>_inverted): Likewise. + (*branch_equality<mode>_mips16): Remove redundant mode. + (jump): Turn into a define_expand. + (*jump_absolute): New instruction. + (*jump_pic): Likewise. + (*jump_mips16): Rename previously-unnamed pattern. Remove + redundant mode attribute. + (restore_gp): Split on epilogue_completed rather than + reload_completed. Change type to "ghost". + (move_gp<mode>): New instruction. + * config/mips/mips-dsp.md (mips_bposge): Swap operands 0 and 1. + Remove redundant mode attribute. + * config/mips/mips-ps-3d.md (bc1any4t): Likewise. + (bc1any4f, bc1any2t, bc1any2f): Likewise. + (*branch_upper_lower, *branch_upper_lower_inverted): Likewise. + +2009-09-14 Michael Meissner <meissner@linux.vnet.ibm.com> + + PR target/41210 + * config/rs6000/rs6000.c (rs6000_function_value): V2DF and V2DI + are returned in the same register (vs34 or v2) that Altivec vector + types are returned in. + (rs6000_libcall_value): Ditto. + + PR target/41331 + * config/rs6000/rs6000.c (rs6000_emit_move): Use gen_add3_insn + instead of explicit addsi3/adddi3 calls. + (rs6000_split_multireg_move): Ditto. + (rs6000_emit_allocate_stack): Ditto. + (rs6000_emit_prologue): Ditto. + (rs6000_output_mi_thunk): Ditto. + + * config/rs6000/rs6000.md (bswapdi*): Don't assume the pointer + size is 64 bits if we can use 64-bit registers. + +2009-09-14 Bernd Schmidt <bernd.schmidt@analog.com> + + * config/bfin/bfin.c (bfin_longcall_p): Don't use short calls for weak + symbols. + + From Jie Zhang <jie.zhang@analog.com>: + * config/bfin/bfin.c (bfin_expand_prologue): Ask do_link to + save FP and RETS with saveall attribute. + (bfin_expand_epilogue): Ask do_unlink to restore FP and RETS + with saveall attribute. + + * config/bfin/bfin.c (bfin_expand_builtin, + case BFIN_BUILTIN_MULT_1X32X32): Force constants to registers for the + operands. + + From Jie Zhang <jie.zhang@analog.com>: + * config/bfin/bfin.c (bfin_expand_builtin): Initialize icodes + before use in two places. + * config/bfin/bfin.md (AREG): Define mode iterator. + (reload_in, reload_out): Use mode iterator AREG. + +2009-09-14 Richard Guenther <rguenther@suse.de> + + PR middle-end/41350 + * dwarf2out.c (dwarf2out_begin_prologue): Adjust non-CFI asm + EH personality path. + +2009-09-13 Richard Guenther <rguenther@suse.de> + Rafael Avila de Espindola <espindola@google.com> + + * langhooks-def.h (LANG_HOOKS_EH_RUNTIME_TYPE): Define. + (LANG_HOOKS_EH_PERSONALITY): Likewise. + (LANG_HOOKS_INITIALIZER): Adjust. + (lhd_pass_through_t): Declare. + * langhooks.h (struct lang_hooks): Add eh_runtime_type and + eh_personality. + * langhooks.c (lhd_pass_through_t): New function. + * dwarf2out.c (output_call_frame_info, dwarf2out_do_cfi_startproc, + dwarf2out_begin_prologue): Use personality from current_function_decl. + * expr.h (get_personality_function): Declare. + * expr.c (get_personality_function): New function. + (build_personality_function): Likewise. + * libfuncs.h (libfunc_index): Remove LTI_eh_personality. + (eh_personality_libfunc): Remove. + * optabs.c (build_libfunc_function): New function split out from ... + (init_one_libfunc): ... here. + * tree.h (DECL_FUNCTION_PERSONALITY): New. + (tree_function_decl): Add personality. + (lhd_gcc_personality): Declare. + (build_personality_function): Likewise. + * tree.c (gcc_eh_personality_decl): New. + (lhd_gcc_personality): New function. + * except.h (lang_eh_runtime_type): Remove. + (enum eh_personality_kind): New. + (build_personality_function): Declare. + (function_needs_eh_personality): Declare. + * except.c (lang_eh_runtime_type): Remove. + (function_needs_eh_personality): New function. + (add_type_for_runtime): Call lang_hooks.type_for_runtime instead. + (sjlj_emit_function_enter, output_function_exception_table): + Use personality from current_function_decl. + * tree-eh.c (lower_eh_constructs): Set DECL_FUNCTION_PERSONALITY. + * tree-inline.c (tree_can_inline_p): Do not inline across different + EH personalities. + (expand_call_inline): Likewise. Adjust the callers EH personality. + (tree_function_versioning): Copy DECL_FUNCTION_PERSONALITY. + * cgraph.c (cgraph_add_new_function): Set DECL_FUNCTION_PERSONALITY. + * Makefile.in (cgraph.o): Add $(EXCEPT_H) dependency. + (c-parser.o): Likewise + * c-tree.h (c_eh_initialized_p): Remove. + (c_maybe_initialize_eh): Likewise. + * c-decl.c (finish_decl): Don't call c_maybe_initialize_eh. + (finish_decl): Don't call c_maybe_initialize_eh. + (c_eh_initialized_p): Remove. + (c_maybe_initialize_eh): Likewise. + * c-parser.c (c_parser_omp_construct): Likewise. + (c_parse_file): Initialize exception handling. + +2009-09-13 Kai Tietz <kai.tietz@onevision.com> + + * config.gcc (tm_file): Remove i386/biarch32.h + for i?86-w64-mingw* case. + (i?86-*-mingw* andx86_64-*-mingw*): Add multilib + support. + * config.host: Set for x64 mingw the option + use_long_long_for_widest_fast_int to yes. + +2009-09-13 Eric Botcazou <ebotcazou@adacore.com> + + * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL. + * dbxout.c (dbxout_function_end): Do not test DECL_IGNORED_P. + (dbxout_begin_function): Likewise. + * final.c (dwarf2_debug_info_emitted_p): New predicate. + (final_start_function): Do not emit debug info if DECL_IGNORED_P is + set on the function. + (final_end_function): Likewise. + (final_scan_insn): Likewise. + (rest_of_handle_final): Likewise. + * varasm.c (assemble_start_function): Likewise. + * config/rs6000/xcoff.h (ASM_DECLARE_FUNCTION_NAME): Likewise. + +2009-09-12 Jason Merrill <jason@redhat.com> + + * dbgcnt.c (dbg_cnt_process_single_pair): constify. + * opts.c (common_handle_option): constify. + +2009-09-12 Gerald Pfeifer <gerald@pfeifer.com> + + * doc/install.texi (avr): Remove obsolete reference site. + +2009-09-12 Gerald Pfeifer <gerald@pfeifer.com> + + * doc/install.texi (Binaries): Adjust AIX link. + +2009-09-12 Akim Demaille <demaille@gostai.com> + + * doc/invoke.texi (-fstrict-aliasing): Correct two examples. + Use an imperative sentence. + +2009-09-11 Richard Henderson <rth@redhat.com> + + * gsstruct.def (DEFGSSTRUCT): Remove printable-name argument; add + structure-name and has-tree-operands arguments; update all entries. + * gimple.def (DEFGSCODE): Replace 3rd argument with GSS_symbol; + update all entries. + * gimple.c (gimple_ops_offset_): Use HAS_TREE_OP argument. + (gsstruct_code_size): New. + (gss_for_code_): New. + (gss_for_code): Remove. + (gimple_size): Rewrite using gsstruct_code_size. + (gimple_statement_structure): Move to gimple.h. + * gimple.h (gimple_ops_offset_, gss_for_code_): Declare. + (gss_for_code, gimple_statement_structure): New. + (gimple_ops): Use new arrays; tidy. + +2009-09-11 John David Anglin <dave.anglin@nrc-cnrc.gc.ca> + + * config/pa/predicates.md (symbolic_operand): Require a CONST symbolic + operand to be a PLUS expression. + * config/pa/pa.c (pa_secondary_reload): Likewise. + +2009-09-11 Jakub Jelinek <jakub@redhat.com> + + * combine.c (propagate_for_debug_subst): Call wrap_constant on top. + + * print-rtl.c (print_rtx): Use JUMP_LABEL (in_rtx) instead of + XEXP (in_rtx, 8). + +2009-09-11 Bernd Schmidt <bernd.schmidt@analog.com> + + From Jie Zhang <jie.zhang@analog.com>: + * doc/extend.texi (node Function Attributes): Document l2 + function attribute. + (node Blackfin Variable Attributes): Document l2 variable attributes. + +2009-09-11 Loren J. Rittle <ljrittle@acm.org> + + * config.gcc (*-*-freebsd*): Enable default_use_cxa_atexit + to match the system compiler's configuration at inflection point. + Add comment to remark a remaining difference with system compiler. + + * configure.ac (*-*-freebsd*): Enable check for __stack_chk_fail. + * configure: Regenerate. + +2009-09-11 Bernd Schmidt <bernd.schmidt@analog.com> + + From Jie Zhang <jie.zhang@analog.com>: + * config/bfin/bfin.c (bfin_expand_call): Handle L2 functions. + (bfin_handle_l2_attribute): New. + (bfin_attribute_table): Add l2 attribute. + +2009-09-11 Michael Matz <matz@suse.de> + + PR middle-end/41275 + * tree-inline.c (remap_decls): Don't put DECL_EXTERNAL decls + on the local_decls list. + +2009-09-11 Alexandre Oliva <aoliva@redhat.com> + + PR debug/41276 + PR debug/41307 + * cselib.c (cselib_expand_value_rtx_cb): Document callback + interface. + (cselib_expand_value_rtx_1): Use callback for SUBREGs. Adjust + for VALUEs, to implement the documented interface. + * var-tracking.c (vt_expand_loc_callback): Handle SUBREGs. + Adjust for VALUEs and anything else, to implement the + documented interface. + +2009-09-10 Nathan Froyd <froydnj@codesourcery.com> + + * config/rs6000/rs6000.h (DATA_ALIGNMENT): Check that we are dealing + with actual SPE/paired vector modes before using 64-bit alignment. + Check that TYPE is a REAL_TYPE for TARGET_E500_DOUBLE. + +2009-09-10 DJ Delorie <dj@redhat.com> + + * config/mep/mep.md (eh_epilogue): Defer until after epilogue is + emitted. + + * config/mep/mep.h (LEGITIMATE_CONSTANT_P): New. + * config/mep/mep.c (mep_legitimate_constant_p): New. + * config/mep/mep-protos.h: Prototype it. + +2009-09-10 Richard Henderson <rth@redhat.com> + + * print-rtl.c (print_rtx): Fix JUMP_LABEL index. + +2009-09-10 Jason Merrill <jason@redhat.com> + + * tree.c (chain_index): New fn. + * tree.h: Declare it. + +2009-09-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE> + + * config/sol2-c.c (cmn_err_length_specs): Initialize + scalar_identity_flag. + +2009-09-10 Richard Henderson <rth@redhat.com> + + * tree.h (struct tree_decl_common): Move align member earlier; + move label_decl_uid member ... + (struct tree_label_decl): ... here. + (LABEL_DECL_UID): Update to match. + + * tree-cfg.c (dump_function_to_file): Dump eh tree with TDF_EH, + not TDF_DETAILS. + + * tree-cfg.c (gimple_redirect_edge_and_branch): Do + gimple_try_redirect_by_replacing_jump test after no-op and EH tests. + + * tree-cfg.c (split_edge_bb_loc): Don't disallow placement at + dest_prev if the edge is complex. + + * tree-cfg.c (is_ctrl_stmt): Use a switch. + + * tree-cfg.c (gimple_can_merge_blocks_p): Move label and + loop latch tests earlier. + + * gimple-iterator.c (gimple_find_edge_insert_loc): Insert + before GIMPLE_RETURN, not after its predecessor; insert + before GIMPLE_RESX. + + * gimple-iterator.c (gimple_find_edge_insert_loc): Use + gimple_seq_empty_p to test for no PHI nodes. + * tree-cfg.c (split_critical_edges): Likewise. + + * c-common.h (c_dialect_cxx, c_dialect_objc): Boolify. + +2009-09-10 Hariharan Sandanagobalane <hariharan@picochip.com> + + * final.c (shorten_branches) : Ignore DEBUG_INSN_P instructions + introduced by the VTA branch merge. + +2009-09-10 Uros Bizjak <ubizjak@gmail.com> + + * ira-conflicts.c: Use fputs or putc instead of fprintf + where appropriate. + * cfg.c: Ditto. + * toplev.c: Ditto. + * tree-switch-conversion.c: Ditto. + +2009-09-10 Hariharan Sandanagobalane <hariharan@picochip.com> + + * config/picochip/picochip.c : Ignore DEBUG_INSN_P instructions + introduced by the VTA branch merge. + +2009-09-10 Uros Bizjak <ubizjak@gmail.com> + + Revert: + 2009-09-09 Uros Bizjak <ubizjak@gmail.com> + + PR rtl-optimization/39779 + * expr.c (convert_modes): Return when mode == oldmode after + CONST_INTs are processed. + +2009-09-10 Nick Clifton <nickc@redhat.com> + + * config/mep/mep.c (mep_encode_section_info): Copy weakness + attribute and referring decl when creating renamed symbol. + +2009-09-10 Richard Guenther <rguenther@suse.de> + + PR middle-end/41257 + * cgraphunit.c (cgraph_emit_thunks): Emit thunks only for + reachable nodes. + (cgraph_finalize_compilation_unit): Compute reachability + before emitting thunks. Properly process aliases before + possibly removing unreachable nodes. + +2009-09-10 Richard Guenther <rguenther@suse.de> + + PR middle-end/41254 + * tree.c (struct free_lang_data_d): Add worklist member. + (find_decls_types_r): Push onto the worklist instead of recursing. + Handle TREE_BINFOs properly. + (find_decls_types): New function wrapped around find_decls_types_r + to process the worklist. + (find_decls_types_in_eh_region): Use it. + (find_decls_types_in_node): Likewise. + (find_decls_types_in_var): Likewise. + (free_lang_data_in_cgraph): Likewise. Free the worklist. + * tree.h (RECORD_OR_UNION_TYPE_P): New. + (AGGREGATE_TYPE_P): Adjust. + +2009-09-09 Jason Merrill <jason@redhat.com> + + * configure.ac: Check glibc version even if we have an in-tree + assembler. + +2009-09-09 Anthony Green <green@moxielogic.com> + + * config/moxie/moxie.md (*movsi, *movhi, *movqi): Use xor to load + the constant 0 when appropriate. + * config/moxie/constraints.md: Add constraint O. + + * config/moxie/moxie.c (moxie_setup_incoming_varargs): Adjust + to pass up to 6 32-bit argument values in registers. + (moxie_function_arg): Ditto. + (moxie_arg_partial_bytes): Ditto. + * config/moxie/moxie.h (FUNCTION_ARG_ADVANCE): Ditto. + (REG_PARM_STACK_SPACE): Ditto. + (FUNCTION_ARG_REGNO_P): Ditto. + + * config/moxie/moxie.c (moxie_expand_prologue): Use dec + instruction to allocate stack space. + +2009-09-09 Segher Boessenkool <segher@kernel.crashing.org> + + * config/rs6000/rs6000.md (bswapdi2_64bit): Fix + unnecessarily stringent constraints. Fix address + calculation in the splitters. + +2009-09-09 Uros Bizjak <ubizjak@gmail.com> + + PR rtl-optimization/39779 + * expr.c (convert_modes): Return when mode == oldmode after + CONST_INTs are processed. + +2009-09-09 Kai Tietz <kai.tietz@onevision.com> + + PR/41315 + * config/i386.c (ix86_can_use_return_insn_p): Check for padding0, too. + (ix86_expand_prologue): Take frame.padding0 into logic of + to_allocate checks. + (ix86_expand_epilogue): Likewise. + +2009-09-09 Jakub Jelinek <jakub@redhat.com> + + * config/t-slibgcc-elf-ver (SHLIB_MAKE_SOLINK, SHLIB_INSTALL_SOLINK): + New variables. + (SHLIB_LINK, SHLIB_INSTALL): Use them. + * config/t-slibgcc-libgcc: New file. + * config.gcc (powerpc*-*-linux*, powerpc*-*-gnu*): Use it. + +2009-09-09 Martin Jambor <mjambor@suse.cz> + + PR tree-optimization/41089 + * tree-sra.c (find_var_candidates): Do not consider va_lists in + early SRA. + +2009-09-09 Richard Henderson <rth@redhat.com> + + * gimple.h (CASE_GIMPLE_OMP): New. + (is_gimple_omp): Use it. + * tree-cfg.c (is_ctrl_altering_stmt): Likewise. + (verify_gimple_debug): Likewise. + +2009-09-09 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/41101 + * tree-ssa-pre.c (maximal_set): Remove. + (compute_antic_aux): Treat the maximal set as implicitly all ones. + Defer all blocks we didn't visit at least one successor. + (add_to_exp_gen): Do not add to the maximal set. + (make_values_for_phi): Likewise. + (compute_avail): Likewise. + (init_pre): Do not allocate the maximal set. + (execute_pre): Do not dump it. + +2009-09-09 Martin Jambor <mjambor@suse.cz> + + * tree-cfg.c (verify_gimple_phi): Check that gimple_phi_result is + an SSA_NAME rather than a is_gimple_variable. + +2009-09-09 Richard Guenther <rguenther@suse.de> + + PR middle-end/41317 + * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Remove + code dealing with plain pointer bases. + (maybe_fold_offset_to_reference): Likewise. + (maybe_fold_stmt_addition): Adjust. + +2009-09-09 Richard Guenther <rguenther@suse.de> + + * tree.c (free_lang_data_in_type): Do not free the type variant + chains. + (free_lang_data): Merge char_type_node with its properly signed + variant. + (pass_ipa_free): Collect after freeing language specific data. + +2009-09-09 Michael Matz <matz@suse.de> + + PR middle-end/41268 + * cfgexpand.c (expand_gimple_stmt_1): Use an int for storing + SUBREG_PROMOTED_UNSIGNED_P, instead of a bool. + * rtl.h (struct rtx, SUBREG_PROMOTED_UNSIGNED_P): Update comments + to reflect reality. + +2009-09-08 DJ Delorie <dj@redhat.com> + + * config/mep/mep.c (conversions[]): Add "ml" pattern. + +2009-09-04 Jason Merrill <jason@redhat.com> + + * tree.c (tree_find_value): Remove. + * tree.h: Remove prototype. + * varasm.c (assemble_external): Use value_member instead. + +2009-09-08 Alexandre Oliva <aoliva@redhat.com> + + * toplev.c (process_options): Choose default debugging type when + gtoggle enables debug info and type is unset. + +2009-09-08 Alexandre Oliva <aoliva@redhat.com> + + PR debug/41276 + PR debug/41307 + * cselib.c (cselib_expand_value_rtx_1): Don't return copy of + invalid subreg. + +2009-09-08 Alexandre Oliva <aoliva@redhat.com> + + * configure: Rebuilt with modified libtool.m4. + +2009-09-08 Alexandre Oliva <aoliva@redhat.com> + + PR debug/41229 + PR debug/41291 + PR debug/41300 + * tree-ssa.c (execute_update_addresses_taken): Update debug insns. + +2009-09-08 Alexandre Oliva <aoliva@redhat.com> + + * tree-ssa-loop-ivopts.c (get_phi_with_result): Remove. + (remove_statement): Likewise. + (rewrite_use_nonlinear_expr): Adjust. + (remove_unused_ivs): Collect SSA NAMEs to remove and call... + * tree-ssa.c (release_defs_bitset): ... this. New. + * tree-flow.h (release_defs_bitset): Declare. + +2009-09-08 Alexandre Oliva <aoliva@redhat.com> + + PR debug/41232 + * tree-ssa-phiopt.c (minmax_replacement): Skip debug stmts + in the middle block. + +2009-09-08 Kai Tietz <kai.tietz@onevision.com> + + * tree-ssa-reassoc.c (find_operand_rank): Cast pointer + via intptr_t to long type. + (insert_operand_rank): Cast long type via intptr_t to + pointer type. + * genattrtab.c (RTL_HASH): Use intptr_t to cast from + pointer to scalar. + * c-pretty-print.c (pp_c_tree_decl_identifier): Cast + from pointer to unsigned via uintptr_t. + + * configure.ac (GCC_STDINT_TYPES): Initialize intptr_t, + uintptr_t, HAVE_INTTYPES_H, HAVE_STDINT_H, HAVE_UINTPTR_T, + and HAVE_INTPTR_T. + * configure: Regenerated. + * config.in: Regenerated + * system.h (stdint.h): Add include. + (inttypes.h): Likewise. + * Makefile.in (aclocal): Add config/stdint.m4. + * aclocal.m4: Regenerated. + +2009-09-08 Bernd Schmidt <bernd.schmidt@analog.com> + + * config/bfin/bfin.c (np_check_regno, np_after_branch): New static + variables. + (note_np_check_stores): New function. + (harmless_null_pointer_p): New function. + (trapping_loads_p): New args NP_REG and AFTER_NP_BRANCH. Callers + changed. Take into account whether we're in the shadow of a condjump + that tested NP_REG for NULL. + Lose all code that tested for SEQUENCEs. + (workaround_speculation): Avoid inserting NOPs for loads that are + either always executed or a NULL pointer. + +2009-09-08 Jan Hubicka <jh@suse.cz> + + * doc/invoke.texi (early-inlining-insns): Reduce from 12 to 8. + * params.def (early-inlining-insns): Likewise. + +2009-09-08 Jakub Jelinek <jakub@redhat.com> + + PR rtl-optimization/41239 + * sched-int.h (struct deps): Add last_function_call_may_noreturn field. + * sched-rgn.c (deps_join): Join also last_function_call_may_noreturn + lists. + * sched-deps.c (sched_analyze_insn): Prevent moving trapping insns + across calls, as the calls might not always return normally. + (call_may_noreturn_p): New function. + (deps_analyze_insn): Update last_function_call_may_noreturn list. + (init_deps): Initialize it. + (remove_from_deps): Also remove calls from + last_function_call_may_noreturn list. + +2009-09-07 Richard Henderson <rth@redhat.com> + + * tree-ssa-sccvn.c (vn_reference_lookup_3): Don't assume there are + more VR->OPERANDS than LHS operands. Free LHS before returning. + +2009-09-07 Bernd Schmidt <bernd.schmidt@analog.com> + + * config/bfin/bfin.md (UNSPEC_VOLATILE_STALL): New constant. + (attr "addrtype"): New member "spreg". + Use it if mem_spfp_address_operand is true for the address. + (attr "type"): New entry "stall". + (cpu_unit "load"): New. + (insn_reservations "load32", "loadp", "loadi"): Add reservation of + "load". + (insn_reservation "loadsp"): New. + (insn_reservation "load_stall1"): New. + (insn_reservation "load_stall3"): New. + (stall): New insn. + * config/bfin/predicates.md (const1_operand, const3_operand): New. + (mem_p_address_operand): Exclude stack and frame pointer based + addresses. + (mem_spfp_address_operand): New; match them here. + * config/bfin/bfin.c (add_sched_insns_for_speculation): New function. + (bfin_reorg): Call it if scheduling insns. + (bfin_gen_bundles): Remove dummy insns created by + add_sched_insns_for_speculation. + + From Jie Zhang <jie.zhang@analog.com>: + * config/bfin/bfin-protos.h (enum bfin_cpu_type, bfin_cpu_type, + bfin_si_revision, bfin_workarounds): Move these ... + * config/bfin/bfin.h: ... here. + + From Mike Frysinger <michael.frysinger@analog.com> + * config/bfin/bfin-protos.h (bfin_cpu_type): Add BFIN_CPU_BF542M, + BFIN_CPU_BF544M, BFIN_CPU_BF547M, BFIN_CPU_BF548M, and BFIN_CPU_BF549M. + * config/bfin/bfin.c (bfin_cpus[]): Add 0.3 for bf542m, bf544m, + bf547m, bf548m, and bf549m. + * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __ADSPBF542M__ + for BFIN_CPU_BF542M, __ADSPBF544M__ for BFIN_CPU_BF544M, + __ADSPBF547M__ for BFIN_CPU_BF547M, __ADSPBF548M__ for + BFIN_CPU_BF548M, and __ADSPBF549M__ for BFIN_CPU_BF549M. + * config/bfin/t-bfin-elf (MULTILIB_MATCHES): Select bf532-none for + bf542m-none, bf544m-none, bf547m-none, bf548m-none, and bf549m-none. + * config/bfin/t-bfin-linux (MULTILIB_MATCHES): Likewise. + * config/bfin/t-bfin-uclinux (MULTILIB_MATCHES): Likewise. + * doc/invoke.texi (Blackfin Options): Document that -mcpu now accepts + bf542m, bf544m, bf547m, bf548m, and bf549m. + + From Jie Zhang <jie.zhang@analog.com>: + * config/bfin/predicates.md (p_register_operand): New predicate. + (dp_register_operand): New predicate. + * config/bfin/bfin-protos.h (WA_05000074): Define. + (ENABLE_WA_05000074): Define. + * config/bfin/bfin.c (bfin_cpus[]): Add WA_05000074 for all cpus. + (bfin_gen_bundles): Put dsp32shiftimm instruction in slot[0]. + * config/bfin/bfin.md (define_attr type): Add dsp32shiftimm. + (define_attr addrtype): Allow load/store register to be P register. + (define_attr storereg): New. + (define_cpu_unit anomaly_05000074): New. + (define_insn_reservation dsp32shiftimm): New. + (define_insn_reservation dsp32shiftimm_anomaly_05000074): New. + (define_insn_reservation loadp): Cannot use slot2. + (define_insn_reservation loadsp): Cannot use slot2. + (define_insn_reservation storep): Cannot use slot2. Does not + apply when working around 05000074. + (define_insn_reservation storep_anomaly_05000074): New. + (define_insn_reservation storei): Does not apply when working + around 05000074. + (define_insn_reservation storei_anomaly_05000074): New. + (define_attr length): Add dsp32shiftimm case. + (define_insn movsi_insn32, movsi_insv, ashlsi3_insn, ashrsi3, + ror_one, rol_one, lshrsi3, lshrpdi3, ashrpdi3, movhiv2hi_low, + movhiv2hi_high, composev2hi, packv2hi, movv2hi_hi, + ssashiftv2hi3, ssashifthi3, ssashiftsi3, lshiftv2hi3, lshifthi3): + Set type as dsp32shiftimm for dsp32shiftimm alternatives. + +2009-09-07 Martin Jambor <mjambor@suse.cz> + + PR middle-end/41282 + * tree-sra.c (create_artificial_child_access): Return NULL if + build_ref_for_offset fails. + (propagate_subacesses_accross_link): Allow build_ref_for_offset + and create_artificial_child_access to fail. + +2009-09-06 Dmitry Gorbachev <d.g.gorbachev@gmail.com> + + PR c++/41214 + * unwind-dw2.c (uw_init_context_1): Mark noinline. + * config/ia64/unwind-ia64.c (uw_init_context_1): Likewise. + * config/xtensa/unwind-dw2-xtensa.c (uw_init_context_1): Likewise. + +2009-09-07 Bernd Schmidt <bernd.schmidt@analog.com> + + * config/bfin/bfin.c (bfin_optimize_loop): When creating a new basic + block, ensure it has an exit edge. Emit a barrier after a jump. + +2009-09-07 Nick Clifton <nickc@redhat.com> + + * gcc.c (this_is_linker_script): New variable. Like + this_is_library_file but for the %T constructor. + (end_going_arg): If this_is_linker_script is set then locate the + script and insert a --script switch before it + (do_spec_2): Initialise this_is_linker_script. + (do_spec_1): Likewise. Handle %T construct. + (eval_spec_function): Preserve this_is_linker_script. + * doc/invoke.texi: Document %T construct in spec files. + * config/m32c/m32c.h (LIB_SPEC): Use it. + +2009-09-07 Andreas Krebbel <Andreas.Krebbel@de.ibm.com> + + * rtl.h (PREFETCH_SCHEDULE_BARRIER_P): New macro. + * sched-deps.c (sched_analyze_2): Make prefetches a hard barrier + when volatile flag is set. + * doc/rtl.texi (PREFETCH_SCHEDULE_BARRIER_P): Add documentation pieces. + +2009-09-06 Eric Botcazou <ebotcazou@adacore.com> + + PR bootstrap/41241 + * combine-stack-adj.c (try_apply_stack_adjustment): Handle stores. + (combine_stack_adjustments_for_block): Allow insns between stack + adjustments and stores with corresponding pre-(dec|inc)rement or + pre-modify operation. + +2009-09-06 Jakub Jelinek <jakub@redhat.com> + + PR bootstrap/41241 + * combine-stack-adj.c (struct csa_memlist): Rename to... + (struct csa_reflist): ... this. Rename mem field to ref. + (free_csa_memlist): Rename to... + (free_csa_reflist): ... this. + (record_one_stack_memref): Rename to... + (record_one_stack_ref): ... this. Handle also REG_P. + (try_apply_stack_adjustment): Handle also REG_P. + (struct record_stack_memrefs_data): Rename to... + (struct record_stack_refs_data): ... this. Rename memlist field to + reflist. + (record_stack_memrefs): Rename to... + (record_stack_refs): ... this. For DEBUG_INSNs keep traversing + subexpressions instead of failing when a MEM contains SP references. + For SP itself in DEBUG_INSNs queue it also onto reflist chain. + (combine_stack_adjustments_for_block): Adjust for mem to ref renaming. + +2009-09-06 Richard Guenther <rguenther@suse.de> + + PR middle-end/41144 + * tree.c (build_array_type): Do not record types marked + with structural equality in the canonical type hashtable. + +2009-09-06 Richard Guenther <rguenther@suse.de> + + PR middle-end/41261 + * tree-ssa-alias.c (refs_may_alias_p_1): Bail out for function decls. + +2009-09-05 Richard Guenther <rguenther@suse.de> + + PR middle-end/41181 + * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use the correct type. + +2009-09-05 Richard Guenther <rguenther@suse.de> + + PR debug/41273 + * tree-ssa-operands.c (get_tmr_operands): Pass through opf_no_vops. + +2009-09-05 Richard Guenther <rguenther@suse.de> + + PR middle-end/41271 + * tree-ssa.c (useless_type_conversion_p): Drop qualifiers + before comparing function argument types. + +2009-09-05 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org> + + PR target/41024 + * config/i386/mingw-w64.h (ASM_SPEC): Pass -v instead of -V to + the assembler. + +2009-09-04 Uros Bizjak <ubizjak@gmail.com> + + Revert: + 2009-08-18 Uros Bizjak <ubizjak@gmail.com> + + * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Allocate insn + locators before emit_insn is called. + +2009-09-04 Vladimir Makarov <vmakarov@redhat.com> + + PR bootstrap/41241 + * ira.c (update_equiv_reg): Revert my previous patch for the PR. + * reginfo.c (resize_reg_info): Call allocate_reg_info if necessary. + (reginfo_init): Don't call allocate_reg_info. + +2009-09-04 Uros Bizjak <ubizjak@gmail.com> + + PR target/41262 + * config/alpha/alpha.c (alpha_does_function_need_gp): Use + NONDEBUG_INSN_P instead of INSN_P. + +2009-09-04 Alexandre Oliva <aoliva@redhat.com> + + PR debug/41225 + * tree-vect-stmts.c (vect_stmt_relevant_p): Skip debug uses. + +2009-09-04 Alexandre Oliva <aoliva@redhat.com> + + PR target/41252 + * config/arm/vfp.md (*cmpdf_split_vfp): Fix src mode in the second + pattern of the split. + +2009-09-04 Alexandre Oliva <aoliva@redhat.com> + + * toplev.c (process_options): Move setter of flag_var_tracking + before other tests that depend on it. Move down setter of + flag_rename_registers. Don't enable var-tracking-assignments + by default if selective scheduling is enabled. Warn if both + are enabled. + +2009-09-04 Alexandre Oliva <aoliva@redhat.com> + + * var-tracking.c (dv_is_decl_p): Adjust NULL behavior to match + comment. Use switch statement to catch overlaps between rtx + and tree codes. Accept FUNCTION_DECLs in addition to those in... + (IS_DECL_CODE): ... here. Remove. + (check_value_is_not_decl): Remove. + (dv_from_decl, dv_from_value): Check after conversion. + +2009-09-04 Richard Guenther <rguenther@suse.de> + + PR middle-end/41257 + * (cgraph_finalize_compilation_unit): Move finalizing aliases + after emitting tunks. Move emitting thunks and ctors from ... + (cgraph_optimize): ... here. Remove redundant + cgraph_analyze_functions. + * varasm.c (find_decl_and_mark_needed): Remove no longer + necessary check. + (finish_aliases_1): Adjust check for thunk aliases. + +2009-09-04 Daniel Gutson <dgutson@codesourcery.com> + + * config/arm/arm.md (ctzsi2): Added braces + to avoid warning that broke booststrap. + +2009-09-04 Martin Jambor <mjambor@suse.cz> + + PR tree-optimization/41112 + * tree-sra.c (build_ref_for_offset_1): Signal that we cannot + handle variable-bounded arrays. + (expr_with_var_bounded_array_refs_p): New function. + (analyze_access_subtree): Call expr_with_var_bounded_array_refs_p. + +2009-09-04 Wolfgang Gellerich <gellerich@de.ibm.com> + + * config/s390/2097.md: Removed two incorrect bypasses. + (z10_fsimpdf): Fixed latency. + (z10_fhex): New insn_reservation. + (z10_floaddf): Fixed latency. + (z10_floadsf): Fixed latency. + (z10_ftrunctf): Fixed latency. + (z10_ftruncdf): Fixed latency. + * config/s390/s390.c (z10_cost): Fixed values. + (s390_adjust_priority): Added z10 path. + * config/s390/s390.md (type): Added fhex. + (*mov<mode>_64dfp): Updated type attribute. + (*mov<mode>_64): Updated type attribute. + (*mov<mode>_31): Updated type attribute. + (*mov<mode>"): Likewise. + * config/s390/2084.md (x_fsimpdf): Updated condition. + +2009-09-04 Andreas Krebbel <krebbel1@de.ibm.com> + + * config/s390/s390.md ("*fmadd<mode>", "*fmsub<mode>"): Enable mem + RTXs in the predicate for operand 1. + +2009-09-03 Daniel Gutson <dgutson@codesourcery.com> + + * config/arm/arm.md (UNSPEC_RBIT): New constant. + (rbitsi2): New insn. + (ctzsi2): New expand. + * config/arm/arm.h (CTZ_DEFINED_VALUE_AT_ZERO): New macro. + +2009-09-03 Martin Jambor <mjambor@suse.cz> + + * tree-sra.c (duplicate_expr_for_different_base): Removed. + (create_artificial_child_access): Use build_ref_for_offset instead + of duplicate_expr_for_different_base. + (propagate_subacesses_accross_link): Likewise. + +2009-09-03 Richard Sandiford <rdsandiford@googlemail.com> + + * config/mips/mips.c (USEFUL_INSN_P): Use NONDEBUG_INSN_P instead + of INSN_P. + (mips16e_collect_argument_saves): Skip debug instructions. + (mips_74k_agen_init): Use CALL_P || JUMP_P instead of !NONJUMP_INSN_P. + (mips16_lay_out_constants): Use USEFUL_INSN_P instead of INSN_P. + (r10k_insert_cache_barriers): Likewise. + (mips_reorg_process_insns): Likewise. + +2009-09-03 Vladimir Makarov <vmakarov@redhat.com> + + PR bootstrap/41241 + * ira.c (update_equiv_reg): Remove check on class likely spill. + +2009-09-03 Jakub Jelinek <jakub@redhat.com> + + PR debug/41236 + * dwarf2out.c (loc_descriptor): Don't use SUBREG_REG macro on + SIGN_EXTEND or ZERO_EXTEND. Don't assume there is a REG inside of + it or SUBREG. + + PR debug/41238 + * function.c (assign_parm_find_stack_rtl): Don't set mem attributes on + the stack slot if it is passed by invisible reference. + * var-tracking.c (vt_add_function_parameters): Handle arguments passed + by invisible reference. + +2009-09-03 Bernd Schmidt <bernd.schmidt@analog.com> + + * config/bfin/linux.h (TARGET_SUPPORTS_SYNC_CALLS): Define to 1. + * config/bfin/uclinux.h (TARGET_SUPPORTS_SYNC_CALLS): Define to 1. + * config/bfin/bfin.h (TARGET_SUPPORTS_SYNC_CALLS): Provide default of + 0. + * config/bfin/sync.md: New file. + * config/bfin/bfin.md: Include it. + (UNSPEC_ATOMIC): New. + (UNSPEC_ONES): Provide a unique number. + + From Jie Zhang <jie.zhang@analog.com>: + * config/bfin/bfin.c (ret_regs): New. + (must_save_fp_p): Don't return true because of frame_pointer_needed. + (must_save_rets_p): New. + (n_regs_saved_by_prologue): Use must_save_rets_p instead of + current_function_is_leaf. + (do_link): Likewise. + (do_unlink): Likewise. + (expand_interrupt_handler_prologue): Use ret_regs array. + (expand_interrupt_handler_epilogue): Use ret_regs array and + pass return register to gen_return_internal. + (bfin_expand_epilogue): Pass return register to + gen_return_internal. + (bfin_expand_call): Explicitly clobber RETS. + * config/bfin/bfin.h (FUNCTION_RETURN_REGISTERS): Define. + * config/bfin/bfin.md (call_symbol_fdpic, call_value_symbol_fdpic, + call_insn_fdpic, call_value_insn_fdpic, call_symbol, + call_value_symbol, call_insn, call_value_insn): Explicitly clobber + RETS. + (return_internal): Take a reg rtx rather than the register number. + +2009-09-03 H.J. Lu <hongjiu.lu@intel.com> + + * tree-parloops.c (parallelize_loops): Cast to HOST_WIDE_INT + when comparing against estimated_loop_iterations_int return. + +2009-09-03 Richard Guenther <rguenther@suse.de> + + * dwarf2out.c (dwarf2out_do_cfi_asm): Remove check of + eh_personality_libfunc. + +2009-09-03 Razya Ladelsky <razya@il.ibm.com> + + * tree-parloops.c (separate_decls_in_region): Add space. + +2009-09-03 Razya Ladelsky <razya@il.ibm.com> + + * tree-parloops.c (separate_decls_in_region): Change the condition + checking if there are reductions in the loop. + +2009-09-03 Razya Ladelsky <razya@il.ibm.com> + + PR tree-optimization/38275 + * tree-parloops.c (parallelize_loops): Replace profitability condition + for expected number of iterations. + +2009-09-03 Alexandre Oliva <aoliva@redhat.com> + + * doc/invoke.texi (BUILD_CONFIG): Document --with-build-config. + (bootstrap-debug): Explain conditions in which it becomes default. + (bootstrap-debug-big): Rather than duplicate bootstrap-debug, + make it add to it. + +2009-09-03 Namhyung Kim <namhyung@gmail.com> + + * doc/invoke.texi (Optimize Options): Move + -finline-small-functions to the -O2 list. + +2009-09-03 Alexandre Oliva <aoliva@redhat.com> + + * toplev.c (process_options): Enable var-tracking-assignments + by default if var-tracking is enabled. + +2009-09-02 David Daney <ddaney@caviumnetworks.com> + + * cfgbuild.c (find_bb_boundaries): Split blocks containing a + barrier. + * emit-rtl.c (prev_nonnote_insn_bb): New function. + * rtl.h (prev_nonnote_insn_bb): Declare it. + +2009-09-03 Diego Novillo <dnovillo@google.com> + + * cgraph.c (cgraph_node_for_decl): New. + * cgraph.h (cgraph_node_for_decl): Declare. + * tree.c (host_integerp): Return 0 if T is NULL. + +2009-09-03 Diego Novillo <dnovillo@google.com> + + * tree.h (struct alias_pair): Move from varasm.c. + (alias_pairs): Likewise. + (TYPE_MAXVAL): Define. + (TYPE_MINVAL): Define. + (iterative_hash_host_wide_int): Declare. + (remove_unreachable_alias_pairs): Declare. + * tree-pass.h (pass_ipa_free_lang_data): Declare. + * diagnostic.c (default_diagnostic_starter): Make extern. + (default_diagnostic_finalizer): Make extern. + * diagnostic.h (default_diagnostic_starter): Declare. + (default_diagnostic_finalizer): Declare. + (default_tree_printer): Declare. + * toplev.c (default_tree_printer): Make extern. + +2009-09-03 Richard Guenther <rguenther@suse.de> + Diego Novillo <dnovillo@google.com> + + * cgraph.c (cgraph_add_new_function): Remove gimplification. + * cgraphunit.c (cgraph_expand_function): Do not emit + associated thunks from here. + (cgraph_emit_thunks): New. + (cgraph_optimize): Call it. + Return if any IPA pass finds an error. + * varasm.c (finish_aliases_1): Ignore errorneous aliases used + by thunks. + +2009-09-03 Simon Baldwin <simonb@google.com> + Rafael Espindola <espindola@google.com> + Richard Guenther <rguenther@suse.de> + Doug Kwan <dougkwan@google.com> + Diego Novillo <dnovillo@google.com> + + * tree.c: Include tree-pass.h, langhooks-def.h, + diagnostic.h, cgraph.h, timevar.h, except.h and debug.h. + (free_lang_data_in_type): New. + (need_assembler_name_p): New. + (free_lang_data_in_block): New. + (free_lang_data_in_decl): New. + (struct free_lang_data_d): New. + (add_tree_to_fld_list): New. + (find_decls_types_r): New. + (get_eh_types_for_runtime): New. + (find_decls_types_in_eh_region): New. + (find_decls_types_in_node): New. + (find_decls_types_in_var): New. + (free_lang_data_in_cgraph): New. + (free_lang_data): New. + (gate_free_lang_data): New. + (pass_ipa_free_lang_data): New. + +2009-09-03 Diego Novillo <dnovillo@google.com> + + * timevar.def (TV_IPA_FREE_LANG_DATA): Define. + * langhooks.h (struct lang_hooks): Add field free_lang_data. + (lang_hooks): Remove const qualifier. + * ipa.c (cgraph_remove_unreachable_nodes): Call + remove_unreachable_alias_pairs. + * except.c (add_type_for_runtime): Check if TYPE has + already been converted. + (lookup_type_for_runtime): Likewise. + (check_handled): Handle converted types. + * varasm.c (remove_unreachable_alias_pairs): New. + * gimple.c: Include demangle.h. + (gimple_decl_printable_name): New. + (gimple_fold_obj_type_ref): New. + * gimple.h (gimple_decl_printable_name): Declare. + (gimple_fold_obj_type_ref): Declare. + * passes.c (init_optimization_passes): Add pass + pass_ipa_free_lang_data. + * langhooks-def.h (LANG_HOOKS_FREE_LANG_DATA): Define. + (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_FREE_LANG_DATA. + +2009-09-03 Diego Novillo <dnovillo@google.com> + + * c-lang.c (lang_hooks): Remove const qualifier. + +2009-09-02 Loren James Rittle <ljrittle@acm.org> + + * doc/install.texi (*-*-freebsd*): Update target information. + +2009-09-02 Anatoly Sokolov <aesok@post.ru> + + * hard-reg-set.h (call_fixed_regs): Remove. + * reginfo.c (call_fixed_regs): Remove. + (init_reg_sets_1): Remove initialization of call_fixed_regs. + (globalize_reg): Don't use call_fixed_regs. + * caller-save.c (init_caller_save): Use call_fixed_reg_set instead of + call_fixed_regs. + +2009-09-01 Michael Matz <matz@suse.de> + + * expr.h (emit_storent_insn, expand_expr_real_1, + expand_expr_real_2): Declare. + * expr.c (emit_storent_insn, expand_expr_real_1, + expand_expr_real_2): Export. + (store_expr): Setting and evaluating dont_return_target is useless. + (expand_expr_real_1, <case GOTO_EXPR, RETURN_EXPR, SWITCH_EXPR, + LABEL_EXPR and ASM_EXPR>): Move to gcc_unreachable. + * except.c (expand_resx_expr): Rename to ... + (expand_resx_stmt): ... this. Rewrite to take gimple statement. + * except.h (expand_resx_stmt): Declare. + * stmt.c: Add include gimple.h + (expand_asm_expr): Rename to ... + (expand_asm_stmt): ... this. Rewrite to take gimple statement. + (expand_case): Rewrite to take gimple statement. + * tree.h (expand_asm_stmt): Declare. + (expand_case): Change prototype. + * Makefile.in (stmt.o): Depend on gimple.h. + * builtins.c (expand_builtin_synchronize): Build gimple asm + statement, not an ASM_EXPR. + * cfgexpand.c (gimple_cond_pred_to_tree, set_expr_location_r, + gimple_to_tree, release_stmt_tree): Remove. + (expand_gimple_cond): Don't call gimple_cond_pred_to_tree or + ggc_free, but hold comparison code and operands separately. + Call jumpif_1 and jumpifnot_1 instead of jumpif and jumpifnot. + (expand_call_stmt, expand_gimple_stmt_1, + expand_gimple_stmt): New helpers. + (expand_gimple_tailcall): Don't call gimple_to_tree, expand_expr_stmt, + release_stmt_tree. Call expand_gimple_stmt instead. + (expand_gimple_basic_block): Ditto. + + * calls.c (emit_call_1): Don't look at EH regions here, make + fntree parameter useless. + (expand_call): New local rettype for TREE_TYPE(exp), use it + throughout. Remove local p, use addr instead. + Don't look at EH regions here. + +2009-09-02 Vladimir Makarov <vmakarov@redhat.com> + + * doc/invoke.texi (-fsched-pressure): Document it. + (-fsched-reg-pressure-heuristic): Remove it. + + * reload.c (ira.h): Include. + (find_reloads): Add choosing reload on number of small spilled + classes. + + * haifa-sched.c (ira.h): Include. + (sched_pressure_p, sched_regno_cover_class, curr_reg_pressure, + saved_reg_pressure, curr_reg_live, saved_reg_live, + region_ref_regs): New variables. + (sched_init_region_reg_pressure_info, mark_regno_birth_or_death, + initiate_reg_pressure_info, setup_ref_regs, + initiate_bb_reg_pressure_info, save_reg_pressure, + restore_reg_pressure, dying_use_p, print_curr_reg_pressure): New + functions. + (setup_insn_reg_pressure_info): New function. + (rank_for_schedule): Add pressure checking and insn issue time. + Remove comparison of insn reg weights. + (ready_sort): Set insn reg pressure info. + (update_register_pressure, setup_insn_max_reg_pressure, + update_reg_and_insn_max_reg_pressure, + sched_setup_bb_reg_pressure_info): New functions. + (schedule_insn): Add code for printing and updating reg pressure info. + (find_set_reg_weight, find_insn_reg_weight): Remove. + (ok_for_early_queue_removal): Do nothing if pressure_only_p. + (debug_ready_list): Print reg pressure info. + (schedule_block): Ditto. Check insn issue time. + (sched_init): Set up sched_pressure_p. Allocate and set up some + reg pressure related info. + (sched_finish): Free some reg pressure related info. + (fix_tick_ready): Make insn always ready if pressure_p. + (init_h_i_d): Don't call find_insn_reg_weight. + (haifa_finish_h_i_d): Free insn reg pressure info. + + * ira-int.h (ira_hard_regno_cover_class, ira_reg_class_nregs, + ira_memory_move_cost, ira_class_hard_regs, + ira_class_hard_regs_num, ira_no_alloc_regs, + ira_available_class_regs, ira_reg_class_cover_size, + ira_reg_class_cover, ira_class_translate): Move to ira.h. + + * ira-lives.c (single_reg_class): Check mode to find how many + registers are necessary for operand. + (ira_implicitly_set_insn_hard_regs): New. + + * common.opt (fsched-pressure): New options. + (fsched-reg-pressure-heuristic): Remove. + + * ira.c (setup_eliminable_regset): Rename to + ira_setup_eliminable_regset. Make it external. + (expand_reg_info): Pass cover class to setup_reg_classes. + (ira): Call resize_reg_info instead of allocate_reg_info. + + * sched-deps.c: Include ira.h. + (implicit_reg_pending_clobbers, implicit_reg_pending_uses): New. + (create_insn_reg_use, create_insn_reg_set, setup_insn_reg_uses, + reg_pressure_info, insn_use_p, mark_insn_pseudo_birth, + mark_insn_hard_regno_birth, mark_insn_reg_birth, + mark_pseudo_death, mark_hard_regno_death, mark_reg_death, + mark_insn_reg_store, mark_insn_reg_clobber, + setup_insn_reg_pressure_info): New. + (sched_analyze_1): Update implicit_reg_pending_uses. + (sched_analyze_insn): Find implicit sets, uses, clobbers of regs. + Use them to create dependencies. Set insn reg uses and pressure + info. Process reg_pending_uses in one place. + (free_deps): Free implicit sets. + (remove_from_deps): Remove implicit sets if necessary. Check + implicit sets when clearing reg_last_in_use. + (init_deps_global): Clear implicit_reg_pending_clobbers and + implicit_reg_pending_uses. + + * ira.h (ira_hard_regno_cover_class, ira_reg_class_nregs, + ira_memory_move_cost, ira_class_hard_regs, + ira_class_hard_regs_num, ira_no_alloc_regs, + ira_available_class_regs, ira_reg_class_cover_size, + ira_reg_class_cover, ira_class_translate): Move from ira-int.h. + (ira_setup_eliminable_regset, ira_set_pseudo_classes, + ira_implicitly_set_insn_hard_regs): New prototypes. + + * ira-costs.c (pseudo_classes_defined_p, allocno_p, + cost_elements_num): New variables. + (allocno_costs, total_costs): Rename to costs and + total_allocno_costs. + (COSTS_OF_ALLOCNO): Rename to COSTS. + (allocno_pref): Rename to pref. + (allocno_pref_buffer): Rename to pref_buffer. + (common_classes): Rename to regno_cover_class. + (COST_INDEX): New. + (record_reg_classes): Set allocno attributes only if allocno_p. + (record_address_regs): Ditto. Use COST_INDEX instead of ALLOCNO_NUM. + (scan_one_insn): Use COST_INDEX and COSTS instead of ALLOCNO_NUM + and COSTS_OF_ALLOCNO. + (print_costs): Rename to print_allocno_costs. + (print_pseudo_costs): New. + (process_bb_node_for_costs): Split into 2 functions with new + function process_bb_for_costs. Pass BB to process_bb_for_costs. + (find_allocno_class_costs): Rename to find_costs_and_classes. Add + new parameter dump_file. Use cost_elements_num instead of + ira_allocnos_num. Make one iteration if preferred classes were + already calculated for scheduler. Make 2 versions of code + depending on allocno_p. + (setup_allocno_cover_class_and_costs): Check allocno_p. Use + regno_cover_class and COSTS instead of common_classes and + COSTS_OF_ALLOCNO. + (init_costs, finish_costs): New. + (ira_costs): Set up allocno_p and cost_elements_num. Call + init_costs and finish_costs. + (ira_set_pseudo_classes): New. + + * rtl.h (allocate_reg_info): Remove. + (resize_reg_info): Change return type. + (reg_cover_class): New. + (setup_reg_classes): Add new parameter. + + * sched-int.h (struct deps_reg): New member implicit_sets. + (sched_pressure_p, sched_regno_cover_class): New external definitions. + (INCREASE_BITS): New macro. + (struct reg_pressure_data, struct reg_use_data): New. + (struct _haifa_insn_data): Remove reg_weight. Add members + reg_pressure, reg_use_list, reg_set_list, and + reg_pressure_excess_cost_change. + (struct deps): New member implicit_sets. + (pressure_p): New variable. + (COVER_CLASS_BITS, INCREASE_BITS): New macros. + (struct reg_pressure_data, struct reg_use_data): New. + (INSN_REG_WEIGHT): Remove. + (INSN_REG_PRESSURE, INSN_MAX_REG_PRESSURE, INSN_REG_USE_LIST, + INSN_REG_SET_LIST, INSN_REG_PRESSURE_EXCESS_COST_CHANGE): New macros. + (sched_init_region_reg_pressure_info, + sched_setup_bb_reg_pressure_info): New prototypes. + + * reginfo.c (struct reg_pref): New member coverclass. + (reg_cover_class): New function. + (reginfo_init, pass_reginfo_init): Move after free_reg_info. + (reg_info_size): New variable. + (allocate_reg_info): Make static. Setup reg_info_size. + (resize_reg_info): Use reg_info_size. Return flag of resizing. + (setup_reg_classes): Add a new parameter. Setup cover class too. + + * Makefile.in (reload.o, haifa-sched.o, sched-deps.o): Add ira.h to + the dependencies. + + * sched-rgn.c (deps_join): Set up implicit_sets. + (schedule_region): Set up region and basic blocks pressure + relative info. + + * passes.c (init_optimization_passes): Move + pass_subregs_of_mode_init before pass_sched. + +2009-09-02 Martin Jambor <mjambor@suse.cz> + + * tree-sra.c (struct access): New field grp_hint. + (dump_access): Dump grp_hint. + (sort_and_splice_var_accesses): Set grp_hint if a group is read + multiple times. + (analyze_access_subtree): Only scalarize accesses with grp_hint set or + those which have been specifically read and somehow written to. + (propagate_subacesses_accross_link): Set grp_hint of right child and + also possibly of the left child. + +2009-09-02 Jakub Jelinek <jakub@redhat.com> + + * tree-object-size.c (addr_object_size): Always use object_size_type + 0 or 2 when determining the pointer pointed object size. + +2009-09-02 Richard Guenther <rguenther@suse.de> + + Revert + 2009-08-31 Richard Guenther <rguenther@suse.de> + + * builtins.c (fold_builtin_memory_op): Use the alias oracle + to query if the memory regions for memmove overlap. + * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Relax the + asserts on pointers, instead deal with odd trees. + (ptr_derefs_may_alias_p): Likewise. + (refs_may_alias_p_1): Constructor bases also never alias. + +2009-08-01 Christian Bruel <christian.bruel@st.com> + + Revert: + 2009-07-31 Christian Bruel <christian.bruel@st.com> + * gcc/config.gcc (sh*-*-elf): test with_libgloss. + +2009-09-01 Alexandre Oliva <aoliva@redhat.com> + + * doc/invoke.texi (-fvar-tracking-assignments): New. + (-fvar-tracking-assignments-toggle): New. + (-fdump-final-insns=file): Mark filename as optional. + (--param min-nondebug-insn-uid): New. + (-gdwarf-@{version}): Mention version 4. + * opts.c (common_handle_option): Accept it. + * tree-vrp.c (find_assert_locations_1): Skip debug stmts. + * regrename.c (regrename_optimize): Drop last. Don't count debug + insns as uses. Don't reject change because of debug insn. + (do_replace): Reject DEBUG_INSN as chain starter. Take base_regno + from the chain starter, and check for inexact matches in DEBUG_INSNS. + (scan_rtx_reg): Accept inexact matches in DEBUG_INSNs. + (build_def_use): Simplify and fix the marking of DEBUG_INSNs. + * sched-ebb.c (schedule_ebbs): Skip boundary debug insns. + * fwprop.c (forward_propagate_and_simplify): ...into debug insns. + * doc/gimple.texi (is_gimple_debug): New. + (gimple_debug_bind_p): New. + (is_gimple_call, gimple_assign_cast_p): End sentence with period. + * doc/install.texi (bootstrap-debug): More details. + (bootstrap-debug-big, bootstrap-debug-lean): Document. + (bootstrap-debug-lib): More details. + (bootstrap-debug-ckovw): Update. + (bootstrap-time): New. + * tree-into-ssa.c (mark_def_sites): Skip debug stmts. + (insert_phi_nodes_for): Insert debug stmts. + (rewrite_stmt): Take iterator. Insert debug stmts. + (rewrite_enter_block): Adjust. + (maybe_replace_use_in_debug_stmt): New. + (rewrite_update_stmt): Use it. + (mark_use_interesting): Return early for debug stmts. + * tree-ssa-loop-im.c (rewrite_bittest): Propagate DEFs into debug + stmts before replacing stmt. + (move_computations_stmt): Likewise. + * ira-conflicts.c (add_copies): Skip debug insns. + * regstat.c (regstat_init_n_sets_and_refs): Discount debug insns. + (regstat_bb_compute_ri): Skip debug insns. + * tree-ssa-threadupdate.c (redirection_block_p): Skip debug stmts. + * tree-ssa-loop-manip.c (find_uses_to_rename_stmt, + check_loop_closed_ssa_stmt): Skip debug stmts. + * tree-tailcall.c (find_tail_calls): Likewise. + * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Likewise. + * tree.h (MAY_HAVE_DEBUG_STMTS): New. + (build_var_debug_value_stat): Declare. + (build_var_debug_value): Define. + (target_for_debug_bind): Declare. + * reload.c (find_equiv_reg): Skip debug insns. + * rtlanal.c (reg_used_between_p): Skip debug insns. + (side_effects_p): Likewise. + (canonicalize_condition): Likewise. + * ddg.c (create_ddg_dep_from_intra_loop_link): Check that non-debug + insns never depend on debug insns. + (create_ddg_dep_no_link): Likewise. + (add_cross_iteration_register_deps): Use ANTI_DEP for debug insns. + Don't add inter-loop dependencies for debug insns. + (build_intra_loop_deps): Likewise. + (create_ddg): Count debug insns. + * ddg.h (struct ddg::num_debug): New. + (num_backargs): Pair up with previous int field. + * diagnostic.c (diagnostic_report_diagnostic): Skip notes on + -fcompare-debug-second. + * final.c (get_attr_length_1): Skip debug insns. + (rest_of_clean-state): Don't dump CFA_RESTORE_STATE. + * gcc.c (invoke_as): Call compare-debug-dump-opt. + (driver_self_specs): Map -fdump-final-insns to + -fdump-final-insns=.. + (get_local_tick): New. + (compare_debug_dump_opt_spec_function): Test for . argument and + compute output name. Compute temp output spec without flag name. + Compute -frandom-seed. + (OPT): Undef after use. + * cfgloopanal.c (num_loop_insns): Skip debug insns. + (average_num_loop_insns): Likewise. + * params.h (MIN_NONDEBUG_INSN_UID): New. + * gimple.def (GIMPLE_DEBUG): New. + * ipa-reference.c (scan_stmt_for_static_refs): Skip debug stmts. + * auto-inc-dec.c (merge_in_block): Skip debug insns. + (merge_in_block): Fix whitespace. + * toplev.c (flag_var_tracking): Update comment. + (flag_var_tracking_assignments): New. + (flag_var_tracking_assignments_toggle): New. + (process_options): Don't open final insns dump file if we're not + going to write to it. Compute defaults for var_tracking. + * df-scan.c (df_insn_rescan_debug_internal): New. + (df_uses_record): Handle debug insns. + * haifa-sched.c (ready): Initialize n_debug. + (contributes_to_priority): Skip debug insns. + (dep_list_size): New. + (priority): Use it. + (rank_for_schedule): Likewise. Schedule debug insns as soon as + they're ready. Disregard previous debug insns to make decisions. + (queue_insn): Never queue debug insns. + (ready_add, ready_remove_first, ready_remove): Count debug insns. + (schedule_insn): Don't reject debug insns because of issue rate. + (get_ebb_head_tail, no_real_insns_p): Skip boundary debug insns. + (queue_to_ready): Skip and discount debug insns. + (choose_ready): Let debug insns through. + (schedule_block): Check boundary debug insns. Discount debug + insns, schedule them early. Adjust whitespace. + (set_priorities): Check for boundary debug insns. + (add_jump_dependencies): Use dep_list_size. + (prev_non_location_insn): New. + (check_cfg): Use it. + * tree-ssa-loop-ivopts.c (find-interesting_users): Skip debug + stmts. + (remove_unused_ivs): Reset debug stmts. + * modulo-sched.c (const_iteration_count): Skip debug insns. + (res_MII): Discount debug insns. + (loop_single_full_bb_p): Skip debug insns. + (sms_schedule): Likewise. + (sms_schedule_by_order): Likewise. + (ps_has_conflicts): Likewise. + * caller-save.c (refmarker_fn): New. + (save_call_clobbered_regs): Replace regs with saved mem in + debug insns. + (mark_referenced_regs): Take pointer, mark and arg. Adjust. + Call refmarker_fn mark for hardregnos. + (mark_reg_as_referenced): New. + (replace_reg_with_saved_mem): New. + * ipa-pure-const.c (check_stmt): Skip debug stmts. + * cse.c (cse_insn): Canonicalize debug insns. Skip them when + searching back. + (cse_extended_basic_block): Skip debug insns. + (count_reg_usage): Likewise. + (is_dead_reg): New, split out of... + (set_live_p): ... here. + (insn_live_p): Use it for debug insns. + * tree-stdarg.c (check_all_va_list_escapes): Skip debug stmts. + (execute_optimize_stdarg): Likewise. + * tree-ssa-dom.c (propagate_rhs_into_lhs): Likewise. + * tree-ssa-propagate.c (substitute_and_fold): Don't regard + changes in debug stmts as changes. + * sel-sched.c (moving_insn_creates_bookkeeping_block_p): New. + (moveup_expr): Don't move across debug insns. Don't move + debug insn if it would create a bookkeeping block. + (moveup_expr_cached): Don't use cache for debug insns that + are heads of blocks. + (compute_av_set_inside_bb): Skip debug insns. + (sel_rank_for_schedule): Schedule debug insns first. Remove + dead code. + (block_valid_for_bookkeeping_p); Support lax searches. + (create_block_for_bookkeeping): Adjust block numbers when + encountering debug-only blocks. + (find_place_for_bookkeeping): Deal with debug-only blocks. + (generate_bookkeeping_insn): Accept no place to insert. + (remove_temp_moveop_nops): New argument full_tidying. + (prepare_place_to_insert): Deal with debug insns. + (advance_state_on_fence): Debug insns don't start cycles. + (update_boundaries): Take fence as argument. Deal with + debug insns. + (schedule_expr_on_boundary): No full_tidying on debug insns. + (fill_insns): Deal with debug insns. + (track_scheduled_insns_and_blocks): Don't count debug insns. + (need_nop_to_preserve_insn_bb): New, split out of... + (remove_insn_from_stream): ... this. + (fur_orig_expr_not_found): Skip debug insns. + * rtl.def (VALUE): Move up. + (DEBUG_INSN): New. + * tree-ssa-sink.c (all_immediate_uses_same_place): Skip debug stmts. + (nearest_common_dominator_of_uses): Take debug_stmts argument. + Set it if debug stmts are found. + (statement_sink_location): Skip debug stmts. Propagate + moving defs into debug stmts. + * ifcvt.c (first_active_insn): Skip debug insns. + (last_active_insns): Likewise. + (cond_exec_process_insns): Likewise. + (noce_process_if_block): Likewise. + (check_cond_move_block): Likewise. + (cond_move_convert_if_block): Likewise. + (block_jumps_and_fallthru_p): Likewise. + (dead_or_predicable): Likewise. + * dwarf2out.c (debug_str_hash_forced): New. + (find_AT_string): Add comment. + (gen_label_for_indirect_string): New. + (get_debug_string_label): New. + (AT_string_form): Use it. + (mem_loc_descriptor): Handle non-TLS symbols. Handle MINUS , DIV, + MOD, AND, IOR, XOR, NOT, ABS, NEG, and CONST_STRING. Accept but + discard COMPARE, IF_THEN_ELSE, ROTATE, ROTATERT, TRUNCATE and + several operations that cannot be represented with DWARF opcodes. + (loc_descriptor): Ignore SIGN_EXTEND and ZERO_EXTEND. Require + dwarf_version 4 for DW_OP_implicit_value and DW_OP_stack_value. + (dwarf2out_var_location): Take during-call mark into account. + (output_indirect_string): Update comment. Output if there are + label and references. + (prune_indirect_string): New. + (prune_unused_types): Call it if debug_str_hash_forced. + More in dwarf2out.c, from Jakub Jelinek <jakub@redhat.com>: + (dw_long_long_const): Remove. + (struct dw_val_struct): Change val_long_long type to rtx. + (print_die, attr_checksum, same_dw_val_p, loc_descriptor): Adjust for + val_long_long change to CONST_DOUBLE rtx from a long hi/lo pair. + (output_die): Likewise. Use HOST_BITS_PER_WIDE_INT size of each + component instead of HOST_BITS_PER_LONG. + (output_loc_operands): Likewise. For const8* assert + HOST_BITS_PER_WIDE_INT rather than HOST_BITS_PER_LONG is >= 64. + (output_loc_operands_raw): For const8* assert HOST_BITS_PER_WIDE_INT + rather than HOST_BITS_PER_LONG is >= 64. + (add_AT_long_long): Remove val_hi and val_lo arguments, add + val_const_double. + (size_of_die): Use HOST_BITS_PER_WIDE_INT size multiplier instead of + HOST_BITS_PER_LONG for dw_val_class_long_long. + (add_const_value_attribute): Adjust add_AT_long_long caller. Don't + handle TLS SYMBOL_REFs. If CONST wraps a constant, tail recurse. + (dwarf_stack_op_name): Handle DW_OP_implicit_value and + DW_OP_stack_value. + (size_of_loc_descr, output_loc_operands, output_loc_operands_raw): + Handle DW_OP_implicit_value. + (extract_int): Move prototype earlier. + (mem_loc_descriptor): For SUBREG punt if inner + mode size is wider than DWARF2_ADDR_SIZE. Handle SIGN_EXTEND + and ZERO_EXTEND by DW_OP_shl and DW_OP_shr{a,}. Handle + EQ, NE, GT, GE, LT, LE, GTU, GEU, LTU, LEU, SMIN, SMAX, UMIN, + UMAX, SIGN_EXTRACT, ZERO_EXTRACT. + (loc_descriptor): Compare mode size with DWARF2_ADDR_SIZE + instead of Pmode size. + (loc_descriptor): Add MODE argument. Handle CONST_INT, CONST_DOUBLE, + CONST_VECTOR, CONST, LABEL_REF and SYMBOL_REF if mode != VOIDmode, + attempt to handle other expressions. Don't handle TLS SYMBOL_REFs. + (concat_loc_descriptor, concatn_loc_descriptor, + loc_descriptor_from_tree_1): Adjust loc_descriptor callers. + (add_location_or_const_value_attribute): Likewise. For single + location loc_lists attempt to use add_const_value_attribute + for constant decls. Add DW_AT_const_value even if + NOTE_VAR_LOCATION is VAR_LOCATION with CONSTANT_P or CONST_STRING + in its expression. + * cfgbuild.c (inside_basic_block_p): Handle debug insns. + (control_flow_insn_p): Likewise. + * tree-parloops.c (eliminate_local_variables_stmt): Handle debug stmt. + (separate_decls_in_region_debug_bind): New. + (separate_decls_in_region): Process debug bind stmts afterwards. + * recog.c (verify_changes): Handle debug insns. + (extract_insn): Likewise. + (peephole2_optimize): Skip debug insns. + * dse.c (scan_insn): Skip debug insns. + * sel-sched-ir.c (return_nop_to_pool): Take full_tidying argument. + Pass it on. + (setup_id_for_insn): Handle debug insns. + (maybe_tidy_empty_bb): Adjust whitespace. + (tidy_control_flow): Skip debug insns. + (sel_remove_insn): Adjust for debug insns. + (sel_estimate_number_of_insns): Skip debug insns. + (create_insn_rtx_from_pattern): Handle debug insns. + (create_copy_of_insn_rtx): Likewise. + * sel-sched-.h (sel_bb_end): Declare. + (sel_bb_empty_or_nop_p): New. + (get_all_loop_exits): Use it. + (_eligible_successor_edge_p): Likewise. + (return_nop_to_pool): Adjust. + * tree-eh.c (tre_empty_eh_handler_p): Skip debug stmts. + * ira-lives.c (process_bb_node_lives): Skip debug insns. + * gimple-pretty-print.c (dump_gimple_debug): New. + (dump_gimple_stmt): Use it. + (dump_bb_header): Skip gimple debug stmts. + * regmove.c (optimize_reg_copy_1): Discount debug insns. + (fixup_match_2): Likewise. + (regmove_backward_pass): Likewise. Simplify combined + replacement. Handle debug insns. + * function.c (instantiate_virtual_regs): Handle debug insns. + * function.h (struct emit_status): Add x_cur_debug_insn_uid. + * print-rtl.h: Include cselib.h. + (print_rtx): Print VALUEs. Split out and recurse for VAR_LOCATIONs. + * df.h (df_inns_rescan_debug_internal): Declare. + * gcse.c (alloc_hash_table): Estimate n_insns. + (cprop_insn): Don't regard debug insns as changes. + (bypass_conditional_jumps): Skip debug insns. + (one_pre_gcse_pass): Adjust. + (one_code_hoisting_pass): Likewise. + (compute_ld_motion_mems): Skip debug insns. + (one_cprop_pass): Adjust. + * tree-if-conv.c (tree_if_convert_stmt): Reset debug stmts. + (if_convertible_stmt_p): Handle debug stmts. + * init-regs.c (initialize_uninitialized_regs): Skip debug insns. + * tree-vect-loop.c (vect_is_simple_reduction): Skip debug stmts. + * ira-build.c (create_bb_allocnos): Skip debug insns. + * tree-flow-inline.h (has_zero_uses): Discount debug stmts. + (has_single_use): Likewise. + (single_imm_use): Likewise. + (num_imm_uses): Likewise. + * tree-ssa-phiopt.c (empty_block_p): Skip debug stmts. + * tree-ssa-coalesce.c (build_ssa_conflict_graph): Skip debug stmts. + (create_outofssa_var_map): Likewise. + * lower-subreg.c (adjust_decomposed_uses): New. + (resolve_debug): New. + (decompose_multiword_subregs): Use it. + * tree-dfa.c (find_referenced_vars): Skip debug stmts. + * emit-rtl.c: Include params.h. + (cur_debug_insn_uid): Define. + (set_new_first_and_last_insn): Set cur_debug_insn_uid too. + (copy_rtx_if_shared_1): Handle debug insns. + (reset_used_flags): Likewise. + (set_used_flags): LIkewise. + (get_max_insn_count): New. + (next_nondebug_insn): New. + (prev_nondebug_insn): New. + (make_debug_insn_raw): New. + (emit_insn_before_noloc): Handle debug insns. + (emit_jump_insn_before_noloc): Likewise. + (emit_call_insn_before_noloc): Likewise. + (emit_debug_insn_before_noloc): New. + (emit_insn_after_noloc): Handle debug insns. + (emit_jump_insn_after_noloc): Likewise. + (emit_call_insn_after_noloc): Likewise. + (emit_debug_insn_after_noloc): Likewise. + (emit_insn_after): Take loc from earlier non-debug insn. + (emit_jump_insn_after): Likewise. + (emit_call_insn_after): Likewise. + (emit_debug_insn_after_setloc): New. + (emit_debug_insn_after): New. + (emit_insn_before): Take loc from later non-debug insn. + (emit_jump_insn_before): Likewise. + (emit_call_insn_before): Likewise. + (emit_debug_insn_before_setloc): New. + (emit_debug_insn_before): New. + (emit_insn): Handle debug insns. + (emit_debug_insn): New. + (emit_jump_insn): Handle debug insns. + (emit_call_insn): Likewise. + (emit): Likewise. + (init_emit): Take min-nondebug-insn-uid into account. + Initialize cur_debug_insn_uid. + (emit_copy_of_insn_after): Handle debug insns. + * cfgexpand.c (gimple_assign_rhs_to_tree): Do not overwrite + location of single rhs in place. + (maybe_dump_rtl_for_gimple_stmt): Dump lineno. + (floor_sdiv_adjust): New. + (cell_sdiv_adjust): New. + (cell_udiv_adjust): New. + (round_sdiv_adjust): New. + (round_udiv_adjust): New. + (wrap_constant): Moved from cselib. + (unwrap_constant): New. + (expand_debug_expr): New. + (expand_debug_locations): New. + (expand_gimple_basic_block): Drop hiding redeclaration. Expand + debug bind stmts. + (gimple_expand_cfg): Expand debug locations. + * cselib.c: Include tree-pass.h. + (struct expand_value_data): New. + (cselib_record_sets_hook): New. + (PRESERVED_VALUE_P, LONG_TERM_PRESERVED_VALUE_P): New. + (cselib_clear_table): Move, and implemnet in terms of... + (cselib_reset_table_with_next_value): ... this. + (cselib_get_next_unknown_value): New. + (discard_useless_locs): Don't discard preserved values. + (cselib_preserve_value): New. + (cselib_preserved_value_p): New. + (cselib_preserve_definitely): New. + (cselib_clear_preserve): New. + (cselib_preserve_only_values): New. + (new_cselib_val): Take rtx argument. Dump it in details. + (cselib_lookup_mem): Adjust. + (expand_loc): Take regs_active in struct. Adjust. Silence + dumps unless details are requested. + (cselib_expand_value_rtx_cb): New. + (cselib_expand_value_rtx): Rename and reimplment in terms of... + (cselib_expand_value_rtx_1): ... this. Adjust. Silence dumps + without details. Copy more subregs. Try to resolve values + using a callback. Wrap constants. + (cselib_subst_to_values): Adjust. + (cselib_log_lookup): New. + (cselib_lookup): Call it. + (cselib_invalidate_regno): Don't count preserved values as useless. + (cselib_invalidate_mem): Likewise. + (cselib_record_set): Likewise. + (struct set): Renamed to cselib_set, moved to cselib.h. + (cselib_record_sets): Adjust. Call hook. + (cselib_process_insn): Reset table when it would be cleared. + (dump_cselib_val): New. + (dump_cselib_table): New. + * tree-cfgcleanup.c (tree_forwarded_block_p): Skip debug stmts. + (remove_forwarder_block): Support moving debug stmts. + * cselib.h (cselib_record_sets_hook): Declare. + (cselib_expand_callback): New type. + (cselib_expand_value_rtx_cb): Declare. + (cselib_reset_table_with_next_value): Declare. + (cselib_get_next_unknown_value): Declare. + (cselib_preserve_value): Declare. + (cselib_preserved_value_p): Declare. + (cselib_preserve_only_values): Declare. + (dump_cselib_table): Declare. + * cfgcleanup.c (flow_find_cross_jump): Skip debug insns. + (try_crossjump_to_edge): Likewise. + (delete_unreachable_blocks): Remove dominant GIMPLE blocks after + dominated blocks when debug stmts are present. + * simplify-rtx.c (delegitimize_mem_from_attrs): New. + * tree-ssa-live.c (remove_unused_locals): Skip debug stmts. + (set_var_live_on_entry): Likewise. + * loop-invariant.c (find_invariants_bb): Skip debug insns. + * cfglayout.c (curr_location, last_location): Make static. + (set_curr_insn_source_location): Don't avoid bouncing. + (get_curr_insn_source_location): New. + (get_curr_insn_block): New. + (duplicate_insn_chain): Handle debug insns. + * tree-ssa-forwprop.c (forward_propagate_addr_expr): Propagate + into debug stmts. + * common.opt (fcompare-debug): Move to sort order. + (fdump-unnumbered-links): Likewise. + (fvar-tracking-assignments): New. + (fvar-tracking-assignments-toggle): New. + * tree-ssa-dce.c (mark_stmt_necessary): Don't mark blocks + because of debug stmts. + (mark_stmt_if_obviously_necessary): Mark debug stmts. + (eliminate_unnecessary_stmts): Walk dominated blocks before + dominators. + * tree-ssa-ter.c (find_replaceable_in_bb): Skip debug stmts. + * ira.c (memref_used_between_p): Skip debug insns. + (update_equiv_regs): Likewise. + * sched-deps.c (sd_lists_size): Accept empty list. + (sd_init_insn): Mark debug insns. + (sd_finish_insn): Unmark them. + (sd_add_dep): Reject non-debug deps on debug insns. + (fixup_sched_groups): Give debug insns group treatment. + Skip debug insns. + (sched_analyze_reg): Don't mark debug insns for sched before call. + (sched_analyze_2): Handle debug insns. + (sched_analyze_insn): Compute next non-debug insn. Handle debug + insns. + (deps_analyze_insn): Handle debug insns. + (deps_start_bb): Skip debug insns. + (init_deps): Initialize last_debug_insn. + * tree-ssa.c (target_for_debug_bind): New. + (find_released_ssa_name): New. + (propagate_var_def_into_debug_stmts): New. + (propagate_defs_into_debug_stmts): New. + (verify_ssa): Skip debug bind stmts without values. + (warn_uninialized_vars): Skip debug stmts. + * target-def.h (TARGET_DELEGITIMIZE_ADDRESS): Set default. + * rtl.c (rtx_equal_p_cb): Handle VALUEs. + (rtx_equal_p): Likewise. + * ira-costs.c (scan_one_insn): Skip debug insns. + (process_bb_node_for_hard_reg_moves): Likewise. + * rtl.h (DEBUG_INSN_P): New. + (NONDEBUG_INSN_P): New. + (MAY_HAVE_DEBUG_INSNS): New. + (INSN_P): Accept debug insns. + (RTX_FRAME_RELATED_P): Likewise. + (INSN_DELETED_P): Likewise + (PAT_VAR_LOCATION_DECL): New. + (PAT_VAR_LOCATION_LOC): New. + (PAT_VAR_OCATION_STATUS): New. + (NOTE_VAR_LOCATION_DECL): Reimplement. + (NOTE_VAR_LOCATION_LOC): Likewise. + (NOTE_VAR_LOCATION_STATUS): Likewise. + (INSN_VAR_LOCATION): New. + (INSN_VAR_LOCATION_DECL): New. + (INSN_VAR_LOCATION_LOC): New. + (INSN_VAR_LOCATION_STATUS): New. + (gen_rtx_UNKNOWN_VAR_LOC): New. + (VAR_LOC_UNKNOWN_P): New. + (NOTE_DURING_CALL_P): New. + (SCHED_GROUP_P): Accept debug insns. + (emit_debug_insn_before): Declare. + (emit_debug_insn_before_noloc): Declare. + (emit_debug_insn_beore_setloc): Declare. + (emit_debug_insn_after): Declare. + (emit_debug_insn_after_noloc): Declare. + (emit_debug_insn_after_setloc): Declare. + (emit_debug_insn): Declare. + (make_debug_insn_raw): Declare. + (prev_nondebug_insn): Declare. + (next_nondebug_insn): Declare. + (delegitimize_mem_from_attrs): Declare. + (get_max_insn_count): Declare. + (wrap_constant): Declare. + (unwrap_constant): Declare. + (get_curr_insn_source_location): Declare. + (get_curr_insn_block): Declare. + * tree-inline.c (insert_debug_decl_map): New. + (processing_debug_stmt): New. + (remap_decl): Don't create new mappings in debug stmts. + (remap_gimple_op_r): Don't add references in debug stmts. + (copy_tree_body_r): Likewise. + (remap_gimple_stmt): Handle debug bind stmts. + (copy_bb): Skip debug stmts. + (copy_edges_for_bb): Likewise. + (copy_debug_stmt): New. + (copy_debug_stmts): New. + (copy_body): Copy debug stmts at the end. + (insert_init_debug_bind): New. + (insert_init_stmt): Take id. Skip and emit debug stmts. + (setup_one_parameter): Remap variable earlier, register debug mapping. + (estimate_num_insns): Skip debug stmts. + (expand_call_inline): Preserve debug_map. + (optimize_inline_calls): Check for no debug_stmts left-overs. + (unsave_expr_now): Preserve debug_map. + (copy_gimple_seq_and_replace_locals): Likewise. + (tree_function_versioning): Check for no debug_stmts left-overs. + Init and destroy debug_map as needed. Split edges unconditionally. + (build_duplicate_type): Init and destroy debug_map as needed. + * tree-inline.h: Include gimple.h instead of pointer-set.h. + (struct copy_body_data): Add debug_stmts and debug_map. + * sched-int.h (struct ready_list): Add n_debug. + (struct deps): Add last_debug_insn. + (DEBUG_INSN_SCHED_P): New. + (BOUNDARY_DEBUG_INSN_P): New. + (SCHEDULE_DEBUG_INSN_P): New. + (sd_iterator_cond): Accept empty list. + * combine.c (create_log_links): Skip debug insns. + (combine_instructions): Likewise. + (cleanup_auto_inc_dec): New. From Jakub Jelinek: Make sure the + return value is always unshared. + (struct rtx_subst_pair): New. + (auto_adjust_pair): New. + (propagate_for_debug_subst): New. + (propagate_for_debug): New. + (try_combine): Skip debug insns. Propagate removed defs into + debug insns. + (next_nonnote_nondebug_insn): New. + (distribute_notes): Use it. Skip debug insns. + (distribute_links): Skip debug insns. + * tree-outof-ssa.c (set_location_for_edge): Likewise. + * resource.c (mark_target_live_regs): Likewise. + * var-tracking.c: Include cselib.h and target.h. + (enum micro_operation_type): Add MO_VAL_USE, MO_VAL_LOC, and + MO_VAL_SET. + (micro_operation_type_name): New. + (enum emit_note_where): Add EMIT_NOTE_AFTER_CALL_INSN. + (struct micro_operation_def): Update comments. + (decl_or_value): New type. Use instead of decls. + (struct emit_note_data_def): Add vars. + (struct attrs_def): Use decl_or_value. + (struct variable_tracking_info_def): Add permp, flooded. + (struct location_chain_def): Update comment. + (struct variable_part_def): Use decl_or_value. + (struct variable_def): Make var_part a variable length array. + (valvar_pool): New. + (scratch_regs): New. + (cselib_hook_called): New. + (dv_is_decl_p): New. + (dv_is_value_p): New. + (dv_as_decl): New. + (dv_as_value): New. + (dv_as_opaque): New. + (dv_onepart_p): New. + (dv_pool): New. + (IS_DECL_CODE): New. + (check_value_is_not_decl): New. + (dv_from_decl): New. + (dv_from_value): New. + (dv_htab_hash): New. + (variable_htab_hash): Use it. + (variable_htab_eq): Support values. + (variable_htab_free): Free from the right pool. + (attrs_list_member, attrs_list_insert): Use decl_or_value. + (attrs_list_union): Adjust. + (attrs_list_mpdv_union): New. + (tie_break_pointers): New. + (canon_value_cmp): New. + (unshare_variable): Return possibly-modified slot. + (vars_copy_1): Adjust. + (var_reg_decl_set): Adjust. Split out of... + (var_reg_set): ... this. + (get_init_value): Adjust. + (var_reg_delete_and_set): Adjust. + (var_reg_delete): Adjust. + (var_regno_delete): Adjust. + (var_mem_decl_set): Split out of... + (var_mem_set): ... this. + (var_mem_delete_and_set): Adjust. + (var_mem_delete): Adjust. + (val_store): New. + (val_reset): New. + (val_resolve): New. + (variable_union): Adjust. Speed up merge of 1-part vars. + (variable_canonicalize): Use unshared slot. + (VALUED_RECURSED_INTO): New. + (find_loc_in_1pdv): New. + (struct dfset_merge): New. + (insert_into_intersection): New. + (intersect_loc_chains): New. + (loc_cmp): New. + (canonicalize_loc_order_check): New. + (canonicalize_values_mark): New. + (canonicalize_values_star): New. + (variable_merge_over_cur): New. + (variable_merge_over_src): New. + (dataflow_set_merge): New. + (dataflow_set_equiv_regs): New. + (remove_duplicate_values): New. + (struct dfset_post_merge): New. + (variable_post_merge_new_vals): New. + (variable_post_merge_perm_vals): New. + (dataflow_post_merge_adjust): New. + (find_mem_expr_in_1pdv): New. + (dataflow_set_preserve_mem_locs): New. + (dataflow_set_remove_mem_locs): New. + (dataflow_set_clear_at_call): New. + (onepart_variable_different_p): New. + (variable_different_p): Use it. + (dataflow_set_different_1): Adjust. Make detailed dump more verbose. + (track_expr_p): Add need_rtl parameter. Don't generate rtl + if not needed. + (track_loc_p): Pass it true. + (struct count_use_info): New. + (find_use_val): New. + (replace_expr_with_values): New. + (log_op_type): New. + (use_type): New, partially split out of... + (count_uses): ... this. Count new micro-ops. + (count_uses_1): Adjust. + (count_stores): Adjust. + (count_with_sets): New. + (VAL_NEEDS_RESOLUTION): New. + (VAL_HOLDS_TRACK_EXPR): New. + (VAL_EXPR_IS_COPIED): New. + (VAL_EXPR_IS_CLOBBERED): New. + (add_uses): Adjust. Generate new micro-ops. + (add_uses_1): Adjust. + (add_stores): Generate new micro-ops. + (add_with_sets): New. + (find_src_status): Adjust. + (find_src_set_src): Adjust. + (compute_bb_dataflow): Use dataflow_set_clear_at_call. + Handle new micro-ops. Canonicalize value equivalances. + (vt_find_locations): Compute total size of hash tables for + dumping. Perform merge for var-tracking-assignments. Don't + disregard single-block loops. + (dump_attrs_list): Handle decl_or_value. + (dump_variable): Take variable. Deal with decl_or_value. + (dump_variable_slot): New. + (dump_vars): Use it. + (dump_dataflow_sets): Adjust. + (set_slot_part): New, extended to support one-part variables + after splitting out of... + (set_variable_part): ... this. + (clobber_slot_part): New, split out of... + (clobber_variable_part): ... this. + (delete_slot_part): New, split out of... + (delete_variable_part): .... this. + (check_wrap_constant): New. + (vt_expand_loc_callback): New. + (vt_expand_loc): New. + (emit_note_insn_var_location): Adjust. Handle values. Handle + EMIT_NOTE_AFTER_CALL_INSN. + (emit_notes_for_differences_1): Adjust. Handle values. + (emit_notes_for_differences_2): Likewise. + (emit_notes_for_differences): Adjust. + (emit_notes_in_bb): Take pointer to set. Emit AFTER_CALL_INSN notes. + Adjust. Handle new micro-ops. + (vt_add_function_parameters): Adjust. Create and bind values. + (vt_initialize): Adjust. Initialize scratch_regs and + valvar_pool, flooded and perm.. Initialize and use cselib. Log + operations. Move some code to count_with_sets and add_with_sets. + (delete_debug_insns): New. + (vt_debug_insns_local): New. + (vt_finalize): Release permp, valvar_pool, scratch_regs. Finish + cselib. + (var_tracking_main): If var-tracking-assignments is enabled + but var-tracking isn't, delete debug insns and leave. Likewise + if we exceed limits or fail the stack adjustments tests, and + after all var-tracking processing. + More in var-tracking, from Jakub Jelinek <jakub@redhat.com>: + (dataflow_set): Add traversed_vars. + (value_chain, const_value_chain): New typedefs. + (value_chain_pool, value_chains): New variables. + (value_chain_htab_hash, value_chain_htab_eq, add_value_chain, + add_value_chains, add_cselib_value_chains, remove_value_chain, + remove_value_chains, remove_cselib_value_chains): New functions. + (shared_hash_find_slot_unshare_1, shared_hash_find_slot_1, + shared_hash_find_slot_noinsert_1, shared_hash_find_1): New + static inlines. + (shared_hash_find_slot_unshare, shared_hash_find_slot, + shared_hash_find_slot_noinsert, shared_hash_find): Update. + (dst_can_be_shared): New variable. + (unshare_variable): Unshare set->vars if shared, use shared_hash_*. + Clear dst_can_be_shared. If set->traversed_vars is non-NULL and + different from set->vars, look up slot again instead of using the + passed in slot. + (dataflow_set_init): Initialize traversed_vars. + (variable_union): Use shared_hash_*. Use initially NO_INSERT + lookup if set->vars is shared. Don't keep slot cleared before + calling unshare_variable. Unshare set->vars if needed. Adjust + unshare_variable callers. Clear dst_can_be_shared if needed. + Even ->refcount == 1 vars must be unshared if set->vars is shared + and var needs to be modified. + (dataflow_set_union): Set traversed_vars during canonicalization. + (VALUE_CHANGED, DECL_CHANGED): Define. + (set_dv_changed, dv_changed_p): New static inlines. + (track_expr_p): Clear DECL_CHANGED. + (dump_dataflow_sets): Set it. + (variable_was_changed): Call set_dv_changed. + (emit_note_insn_var_location): Likewise. + (changed_variables_stack): New variable. + (check_changed_vars_1, check_changed_vars_2): New functions. + (emit_notes_for_changes): Do nothing if changed_variables is + empty. Traverse changed_variables with check_changed_vars_1, + call check_changed_vars_2 on each changed_variables_stack entry. + (emit_notes_in_bb): Add SET argument. Just clear it at the + beginning, use it instead of local &set, don't destroy it at the end. + (vt_emit_notes): Call dataflow_set_clear early on all + VTI(bb)->out sets, never use them, instead use emit_notes_in_bb + computed set, dataflow_set_clear also VTI(bb)->in when we are + done with the basic block. Initialize changed_variables_stack, + free it afterwards. If ENABLE_CHECKING verify that after noting + differences to an empty set value_chains hash table is empty. + (vt_initialize): Initialize value_chains and value_chain_pool. + (vt_finalize): Delete value_chains htab, free value_chain_pool. + (variable_tracking_main): Call dump_dataflow_sets before calling + vt_emit_notes, not after it. + * tree-flow.h (propagate_defs_into_debug_stmts): Declare. + (propagate_var_def_into_debug_stmts): Declare. + * df-problems.c (df_lr_bb_local_compute): Skip debug insns. + (df_set_note): Reject debug insns. + (df_whole_mw_reg_dead_p): Take added_notes_p argument. Don't + add notes to debug insns. + (df_note_bb_compute): Adjust. Likewise. + (df_simulate_uses): Skip debug insns. + (df_simulate_initialize_backwards): Likewise. + * reg-stack.c (subst_stack_regs_in_debug_insn): New. + (subst_stack_regs_pat): Reject debug insns. + (convert_regs_1): Handle debug insns. + * Makefile.in (TREE_INLINE_H): Take pointer-set.h from GIMPLE_H. + (print-rtl.o): Depend on cselib.h. + (cselib.o): Depend on TREE_PASS_H. + (var-tracking.o): Depend on cselib.h and TARGET_H. + * sched-rgn.c (rgn_estimate_number_of_insns): Discount debug insns. + (init_ready_list): Skip boundary debug insns. + (add_branch_dependences): Skip debug insns. + (free_block_dependencies): Check for blocks with only debug insns. + (compute_priorities): Likewise. + * gimple.c (gss_for_code): Handle GIMPLE_DEBUG. + (gimple_build_with_ops_stat): Take subcode as unsigned. Adjust + all callers. + (gimple_build_debug_bind_stat): New. + (empty_body_p): Skip debug stmts. + (gimple_has_side_effects): Likewise. + (gimple_rhs_has_side_effects): Likewise. + * gimple.h (enum gimple_debug_subcode, GIMPLE_DEBUG_BIND): New. + (gimple_build_debug_bind_stat): Declare. + (gimple_build_debug_bind): Define. + (is_gimple_debug): New. + (gimple_debug_bind_p): New. + (gimple_debug_bind_get_var): New. + (gimple_debug_bind_get_value): New. + (gimple_debug_bind_get_value_ptr): New. + (gimple_debug_bind_set_var): New. + (gimple_debug_bind_set_value): New. + (GIMPLE_DEBUG_BIND_NOVALUE): New internal temporary macro. + (gimple_debug_bind_reset_value): New. + (gimple_debug_bind_has_value_p): New. + (gsi_next_nondebug): New. + (gsi_prev_nondebug): New. + (gsi_start_nondebug_bb): New. + (gsi_last_nondebug_bb): New. + * sched-vis.c (print_pattern): Handle VAR_LOCATION. + (print_insn): Handle DEBUG_INSN. + * tree-cfg.c (remove_bb): Walk stmts backwards. Let loc + of first insn prevail. + (first_stmt): Skip debug stmts. + (first_non_label_stmt): Likewise. + (last_stmt): Likewise. + (has_zero_uses_1): New. + (single_imm_use_1): New. + (verify_gimple_debug): New. + (verify_types_in_gimple_stmt): Handle debug stmts. + (verify_stmt): Likewise. + (debug_loop_num): Skip debug stmts. + (remove_edge_and_dominated_blocks): Remove dominators last. + * tree-ssa-reasssoc.c (rewrite_expr_tree): Propagate into debug stmts. + (linearize_expr): Likewise. + * config/i386/i386.c (ix86_delegitimize_address): Call + default implementation. + * config/ia64/ia64.c (ia64_safe_itanium_class): Handle debug insns. + (group_barrier_needed): Skip debug insns. + (emit_insn_group_barriers): Likewise. + (emit_all_insn_group_barriers): Likewise. + (ia64_variable_issue): Handle debug insns. + (ia64_dfa_new_cycle): Likewise. + (final_emit_insn_group_barriers): Skip debug insns. + (ia64_dwarf2out_def_steady_cfa): Take frame argument. Don't + def cfa without frame. + (process_set): Likewise. + (process_for_unwind_directive): Pass frame on. + * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Define. + (rs6000_delegitimize_address): New. + (rs6000_debug_adjust_cost): Handle debug insns. + (is_microcoded_insn): Likewise. + (is_cracked_insn): Likewise. + (is_nonpipeline_insn): Likewise. + (insn_must_be_first_in_group): Likewise. + (insn_must_be_last_in_group): Likewise. + (force_new_group): Likewise. + * cfgrtl.c (rtl_split_block): Emit INSN_DELETED note if block + contains only debug insns. + (rtl_merge_blocks): Skip debug insns. + (purge_dead_edges): Likewise. + (rtl_block_ends_with_call_p): Skip debug insns. + * dce.c (deletable_insn_p): Handle VAR_LOCATION. + (mark_reg_dependencies): Skip debug insns. + * params.def (PARAM_MIN_NONDEBUG_INSN_UID): New. + * tree-ssanames.c (release_ssa_name): Propagate def into debug stmts. + * tree-ssa-threadedge.c + (record_temporary_equivalences_from_stmts): Skip debug stmts. + * regcprop.c (replace_oldest_value_addr): Skip debug insns. + (replace_oldest_value_mem): Use ALL_REGS for debug insns. + (copyprop_hardreg_forward_1): Handle debug insns. + * reload1.c (reload): Skip debug insns. Replace unassigned + pseudos in debug insns with their equivalences. + (eliminate_regs_in_insn): Skip debug insns. + (emit_input_reload_insns): Skip debug insns at first, adjust + them later. + * tree-ssa-operands.c (add_virtual_operand): Reject debug stmts. + (get_indirect_ref_operands): Pass opf_no_vops on. + (get_expr_operands): Likewise. Skip debug stmts. + (parse_ssa_operands): Scan debug insns with opf_no_vops. + +2009-09-01 Richard Henderson <rth@redhat.com> + + * tree-ssa-ccp.c (ccp_initialize): Make sure to simulate + stmt_ends_pp_p statements at least once. + * tree-vrp.c (vrp_initialize): Likewise. + (vrp_visit_stmt): Be prepared for non-interesting stmts. + +2009-09-01 Dodji Seketeli <dodji@redhat.com> + + PR bootstrap/41205 + Fix AIX bootstrap after PR debug/30161 + * dwarf2out.c (make_ith_pack_parameter_name): Don't used strnlen + that is a GNU extension. + (tmpl_value_parm_die_table): Move the definition of this global + outside #ifdef DWARF2_DEBUGGING_INFO region. + +2009-09-01 Richard Guenther <rguenther@suse.de> + + * tree.c (tree_expr_size): New function. + * tree.h (tree_expr_size): Declare. + * rtlanal.c (rtx_addr_can_trap_p_1): Adjust comment. + * builtins.c (fold_builtin_memory_op): Use tree_expr_size. + * langhooks.c (lhd_expr_size): Remove. + * langhooks.h (struct lang_hooks): Remove expr_size. + * explow.c (expr_size): Use tree_expr_size. + (int_expr_size): Likewise. + * langhooks-def.h (lhd_expr_size): Remove. + (LANG_HOOKS_EXPR_SIZE): Likewise. + (LANG_HOOKS_INITIALIZER): Adjust. + +2009-09-01 Richard Guenther <rguenther@suse.de> + + * tree-flow.h (mark_addressable): Move declaration ... + * tree.h (mark_addressable): ... here. + * stmt.c (expand_asm_operands): Use mark_addressable, not + lang_hooks.mark_addressable. + * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove + LANG_HOOKS_MARK_ADDRESSABLE. + * langhooks.h (struct lang_hooks): Remove mark_addressable langhook. + * c-objc-common.h (LANG_HOOKS_MARK_ADDRESSABLE): Remove. + +2009-08-31 Chris Demetriou <cgd@google.com> + + * config/i386/i386.c (ix86_vectorize_builtin_conversion): Never + vectorize if not TARGET_SSE2. + +2009-08-31 DJ Delorie <dj@redhat.com> + + * config/mep/mep.h (FUNCTION_ARG_REGNO_P): Exclude coprocessor + registers if no coprocessor is enabled. + +2009-08-31 Dodji Seketeli <dodji@redhat.com> + + PR debug/30161 + * cgraph.h (cgraph_get_node): Declare ... + * cgraph.c (cgraph_get_node): ... new function. + * dwarf2out.c (gen_generic_params_dies, + generic_parameter_die, tree_add_const_value_attribute_for_decl, + make_ith_pack_parameter_name, + append_entry_to_tmpl_value_parm_die_table, + gen_remaining_tmpl_value_param_die_attribute): New functions. + (gen_subprogram_die): Generate debug info for template parameters + if debug info level is higher than DINFO_LEVEL_TERSE. + Use tree_add_const_value_attribute_for_decl instead of + tree_add_const_value_attribute. + (gen_const_die): Use tree_add_const_value_attribute_for_decl + instead of tree_add_const_value_attribute. + (gen_struct_or_union_type_die): Generate debug + info for template parameters if debug info level is higher than + DINFO_LEVEL_TERSE. + (tree_add_const_value_attribute): Handle integral and pointer + constants. Update comment. + (dwarf_tag_name): Support DW_TAG_GNU_template_template_param. + (dwarf_attr_name): Support DW_AT_GNU_template_name. + (reference_to_unused): Fix thinko. Remove redundant predicates from + tests. + (tree_add_const_value_attribute): Make this work for constant + expressions only. + tree_add_const_value_attribute_for_decl is to be used for variable + DECLs now. + (add_location_or_const_value_attribute): Use + tree_add_const_value_attribute_for_decl now. + (dwarf2out_finish): Emit the DW_AT_const_value attribute of + DW_TAG_template_value_param DIEs after function DIEs have been + emitted. + * langhooks.h (lang_hooks_for_types): Add + get_argument_pack_elems. + (lang_hooks_for_decls): Add generic_generic_parameter_decl_p. + (lang_hooks): Added get_innermost_generic_parms, + get_innermost_generic_args. + * langhooks-def.h (LANG_HOOKS_GET_INNERMOST_GENERIC_PARMS, + LANG_HOOKS_GET_INNERMOST_GENERIC_ARGS, + LANG_HOOKS_GET_ARGUMENT_PACK_ELEMS, + LANG_HOOKS_GENERIC_GENERIC_PARAMETER_DECL_P): New language hooks. + +2009-08-31 DJ Delorie <dj@redhat.com> + + * config/mep/mep.c (machine_function): Add frame_locked flag. Set + it once we start generating the prologue or epilogue. + (mep_call_saves_register): If the frame is locked, re-use + cached values. + (mep_assign_save_slots): New, broken out from mep_expand_prologue. + (mep_expand_prologue): Call it. + (mep_expand_epilogue): Likewise. + (mep_start_function): Use the same logic as mep_expand_prologue. + (mep_pass_by_reference): Make logic more readable. + (mep_return_in_memory): Zero-sized objects are passed in memory. + (mep_reorg_noframe): Make sure we have accurate REG_DEAD notes. + +2009-08-31 Richard Guenther <rguenther@suse.de> + + * builtins.c (fold_builtin_memory_op): Use the alias oracle + to query if the memory regions for memmove overlap. + * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Relax the + asserts on pointers, instead deal with odd trees. + (ptr_derefs_may_alias_p): Likewise. + (refs_may_alias_p_1): Constructor bases also never alias. + +2009-08-31 Gerald Pfeifer <gerald@pfeifer.com> + + * doc/install.texi (Final install): Adjust reference on where to + order printed manuals. + +2009-08-30 Olivier Hainque <hainque@adacore.com> + + * dwarf2out.c (switch_to_frame_table_section): Move + definition prior to first use. + +2009-08-30 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/41186 + * tree-ssa-alias.c (ptr_deref_may_alias_ref_p): Remove. + (ao_ref_init_from_ptr_and_size): New function. + (ref_maybe_used_by_call_p_1): Be more precise tracking + used ranges for builtin functions. + (ref_maybe_used_by_call_p): Adjust. + (call_may_clobber_ref_p_1): Be more precise tracking clobbered + ranges for builtin functions. + * tree-ssa-alias.h (ao_ref_init_from_ptr_and_size): Declare. + +2009-08-30 Alan Modra <amodra@bigpond.net.au> + + PR target/41081 + * fwprop.c (get_reg_use_in): Delete. + (free_load_extend): New function. + (forward_propagate_subreg): Use it. + +2009-08-29 Kaz Kojima <kkojima@gcc.gnu.org> + + * config.gcc (sh*-*-elf): Add superh stuff only for sh*-superh-elf. + +2009-08-29 Kai Tietz<kai.tietz@onevision.com> + + PR/41184 + * config/i386.c (ix86_expand_epilogue): Correct stack adjustment for + padding. + +2009-08-29 Douglas B Rupp <rupp@gnat.com> + + * crtstuff.c (__do_global_dtors_aux): Use atexit if no + fini or fini_array section. + +2009-08-28 Sebastian Pop <sebastian.pop@amd.com> + + * graphite-dependences.c (graphite_legal_transform_bb): Call + pbb_remove_duplicate_pdrs. + * graphite-poly.c (can_collapse_pdr): Removed. + (pdr_find_duplicate): Removed. + (can_collapse_pdrs): New. + (pbb_remove_duplicate_pdrs): New. + (new_poly_dr): Do not look for duplicates. + * graphite-poly.h (struct poly_bb): New field pdr_duplicates_removed. + (PBB_PDR_DUPLICATES_REMOVED): New. + (pbb_remove_duplicate_pdrs): Declared. + +2009-08-28 Sebastian Pop <sebastian.pop@amd.com> + + * graphite-interchange.c (pbb_interchange_profitable_p): Adjust + the strides by multiplying by PDR_NB_REFS. + * graphite-poly.c (can_collapse_pdr): New. + (pdr_find_duplicate): New. + (new_poly_dr): Call pdr_find_duplicate. Collapse duplicate PDRs. + Initialize PDR_NB_REFS. + * graphite-poly.h (struct poly_dr): Add field nb_refs. + (PDR_NB_REFS): New. + (new_poly_dr): Number of subscripts is a graphite_dim_t. + +2009-08-28 Sebastian Pop <sebastian.pop@amd.com> + + PR middle-end/40965 + * graphite-poly.c (apply_poly_transforms): Remove legality test before + any transform. + +2009-08-28 Sebastian Pop <sebastian.pop@amd.com> + + * graphite-dependences.c (pddr_original_scattering): Return NULL + for read-read dependence relations. + * graphite-poly.h (enum poly_dr_type): Fix comment. + (pdr_read_p): New. + (pdr_write_p): New. + (pdr_may_write_p): New. + +2009-08-28 Sebastian Pop <sebastian.pop@amd.com> + + * graphite-poly.h (enum POLY_DR_TYPE): Renamed poly_dr_type. + (struct poly_dr): Same. + (new_poly_dr): Same. + * graphite-poly.c (new_poly_dr): Same. + * graphite-dependences.c (dot_deps): Disable call to system. + +2009-08-28 Cary Coutant <ccoutant@google.com> + + PR debug/41063 + * dwarf2out.c (gen_type_die_with_usage): Use proper context for + struct/union/enum types local to a function. + +2009-08-28 Konrad Trifunovic <konrad.trifunovic@gmail.com> + Sebastian Pop <sebastian.pop@amd.com> + + * graphite-blocking.c (pbb_strip_mine_loop_depth): Renamed + pbb_strip_mine_time_depth. Changed the implementation so that + transformation is expressed as a transformation on + time (scatttering) dimensions. Also, ensures that the 2d+1 + scheduling format is preserved. + (pbb_strip_mine_profitable_p): Profitability is based on the + iteration number of a given time (scattering) dimension, + and not on a original loop depth dimension. + (pbb_strip_mine): Call pbb_number_of_iterations_at_time. + (pbb_do_strip_mine): Call psct_dynamic_dim. + * graphite-poly.c (pbb_number_of_iterations_at_time): New. + * graphite-poly.h (pbb_number_of_iterations_at_time): Declared. + (pbb_nb_dynamic_scattering_transform): New. + (psct_dynamic_dim): New. + +2009-08-28 Konrad Trifunovic <konrad.trifunovic@gmail.com> + + * graphite-ppl.c (ppl_max_for_le): Renamed ppl_max_for_le_pointset. + * graphite-ppl.h (ppl_max_for_le): Renamed ppl_max_for_le_pointset. + * graphite-poly.c (pbb_number_of_iterations): Rename ppl_max_for_le. + * graphite-interchange.c (build_linearized_memory_access): Same. + (memory_stride_in_loop): Same. + +2009-08-28 Sebastian Pop <sebastian.pop@amd.com> + + * graphite-dependences.c (pddr_original_scattering): New. + (graphite_legal_transform_dr): Call pddr_original_scattering. + (dot_deps_1): New. + (dot_deps): New. + * graphite-dependences.h (dot_deps): Declared. + * graphite-poly.c (new_poly_dr): Initialize PDR_ID. + (print_pdr): Print PDR_ID. + * graphite-poly.h (struct poly_dr): Add field id. + (PDR_ID): New. + (pbb_index): New. + * graphite-scop-detection.c (dot_all_scops_1): Cleanup comment. + +2009-08-28 Sebastian Pop <sebastian.pop@amd.com> + + * graphite-dependences.c (graphite_carried_dependence_level_k): Do + not delete the original dependence relation. + +2009-08-28 Sebastian Pop <sebastian.pop@amd.com> + + * graphite-dependences.c (new_poly_dr_pair): Renamed new_poly_ddr. + (eq_poly_dr_pair_p): Renamed eq_poly_ddr_p. + (hash_poly_dr_pair_p): Renamed hash_poly_ddr_p. + (free_poly_ddr): New. + (pddr_is_empty): New. + (dependence_polyhedron_1): Now returns a poly_ddr_p. + (dependence_polyhedron): Same. Remove useless gcc_assert. + Remove fprintfs. + (graphite_legal_transform_dr): Call pddr_is_empty and free_poly_ddr. + (graphite_carried_dependence_level_k): Call pddr_is_empty. + * graphite-dependences.h (enum poly_dependence_kind): New. + (poly_dr_pair): Renamed poly_ddr. Added a field kind. + (PDRP_SOURCE): Renamed PDDR_SOURCE. + (PDRP_SINK): Renamed PDDR_SINK. + (PDRP_DDP): Renamed PDDR_DDP. + (PDDR_KIND): New. + (free_poly_ddr): Declared. + * graphite-poly.c (new_scop): Use the new hash function names. + * graphite-poly.h (struct scop): Renamed field original_pdr_pairs + into original_pddrs. + (SCOP_ORIGINAL_PDR_PAIRS): Renamed SCOP_ORIGINAL_PDDRS. + +2009-08-28 Sebastian Pop <sebastian.pop@amd.com> + + * cfgloopmanip.c (create_empty_loop_on_edge): Generate upper + bounds with LT_EXPR to make niter analysis more precise on code + generated by Graphite. + +2009-08-28 Sebastian Pop <sebastian.pop@amd.com> + + * graphite-dependences.c (graphite_legal_transform_dr): Fix formatting. + (graphite_legal_transform_bb): Same. + (poly_drs_may_alias_p): Same. + +2009-08-28 Richard Guenther <rguenther@suse.de> + + * tree.def: Remove note about obsolete TYPE_NONCOPIED_PARTS. + +2009-08-28 Jan Beulich <jbeulich@novell.com> + + * config/i386/netware.c: Include langhooks.h. + (i386_nlm_encode_section_info): Simplify. + (netware_override_options): Delete. + * config/i386/netware.h (netware_override_options): Delete + declaration. + (OVERRIDE_OPTIONS): Delete definition. + (SUBTARGET_OVERRIDE_OPTIONS): Define. + (ASM_COMMENT_START): Define. + * config/i386/nwld.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Define. + +2009-08-28 Jan Beulich <jbeulich@novell.com> + + * configure.ac: For in-tree ld, do a plain version check to + determine whether comdat groups are supported. + * configure: Regenerate. + +2009-08-28 Olivier Hainque <hainque@adacore.com> + + * collect2.c (DO_COLLECT_EXPORT_LIST): New internal macro, + always defined. Reflect definition or absence of such for + COLLECT_EXPORT_LIST. Readability helper. + (scanfilter): New enum, to help control what symbols + are to be considered or ignored by scan_prog_file. + (enum pass): Rename as "scanpass", moved together with scanfilter + prior to scan_prog_file's prototype. + (scan_prog_file): Accept and honor scanpass and scanfilter arguments. + Group prototype with the scanpass/scanfilter definitions, factorize + head comments for the several implementations at the prototype. + (main): Reorganize the first pass link control to let AIX + drag only the needed frame tables in executables. Prevent + frame tables collection during the scan aimed at static ctors. + Pre-link and scan for frame tables later to compensate. + * doc/tm.texi (ASM_OUTPUT_DWARF_TABLE_REF): New macro. + A C statement to issue assembly directives that create a reference + to the given DWARF table identifier label from the current function + section. + * dwarf2out.c (switch_to_eh_frame_section): Add a BACK argument + to differentiate first time section entry. Only emit a .data + tables start identifier label the first time around. + (switch_to_frame_table_section): New function. Helper for + output_call_frame_info to switch possibly BACK into the eh_frame + or the debug_frame section depending on FOR_EH. + (output_call_frame_info): Use helper to first enter the proper + frame section. + (output_fde): Use ASM_OUTPUT_DWARF_TABLE_REF when defined to + emit a link to the frame table start label from each function + section. + * config/rs6000/rs6000.c (rs6000_aix_asm_output_dwarf_table_ref): + New function. Implementation of ASM_OUTPUT_DWARF_TABLE_REF. + * config/rs6000/rs6000-protos.h: Declare it. + * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Define. + +2009-08-27 Kaz Kojima <kkojima@gcc.gnu.org> + + * config/sh/sh.c (split_branches): Check the result of + next_active_insn. + +2009-08-27 Steve Ellcey <sje@cup.hp.com> + + * config/ia64/hpux.h (LIB_SPEC): Add -lrt for when + using -pthread -fopenmp + +2009-08-27 Gerald Pfeifer <gerald@pfeifer.com> + + * doc/service.texi (service directory): Update URL. + +2009-08-27 Uros Bizjak <ubizjak@gmail.com> + + PR rtl-optimization/40861 + * simplify-rtx.c (simplify_subreg): Do not call simplify_gen_subreg to + extract word from a multi-word subreg for negative byte positions. + +2009-08-27 Tristan Gingold <gingold@adacore.com> + Douglas B Rupp <rupp@gnat.com> + + * config/ia64/ia64.c (ia64_attribute_table): Add "common_object" entry. + (SECTION_VMS_OVERLAY): Define. + (ia64_vms_common_object_attribute): Added. Handle the "common_object" + attribute. + (ia64_vms_elf_asm_named_section): Added. Generate .section pseudo-op + for common_object. + (ia64_vms_output_aligned_decl_common): Added. Generate pseudo-op for + common_object declarations. + (ia64_section_type_flags): Set section flag for common_object. + * config/ia64/ia64-protos.h + (ia64_vms_output_aligned_decl_common): Declare. + (ia64_vms_elf_asm_named_section): Declare. + +2009-08-27 Michael Matz <matz@suse.de> + + * expr.c (expand_expr_real_2): New function taking exploded + unary or binary expression, split out from ... + (expand_expr_real_1): ... here. Move over all unary/binary + switch parts to above function, in particular these codes: + PAREN_EXPR, NOP_EXPR, CONVERT_EXPR, POINTER_PLUS_EXPR, PLUS_EXPR, + MINUS_EXPR, MULT_EXPR, TRUNC_DIV_EXPR, FLOOR_DIV_EXPR, CEIL_DIV_EXPR, + ROUND_DIV_EXPR, EXACT_DIV_EXPR, RDIV_EXPR, TRUNC_MOD_EXPR, + FLOOR_MOD_EXPR, CEIL_MOD_EXPR, ROUND_MOD_EXPR, FIXED_CONVERT_EXPR, + FIX_TRUNC_EXPR, FLOAT_EXPR, NEGATE_EXPR, ABS_EXPR, MAX_EXPR, MIN_EXPR, + BIT_NOT_EXPR, TRUTH_AND_EXPR, BIT_AND_EXPR, TRUTH_OR_EXPR, + BIT_IOR_EXPR, TRUTH_XOR_EXPR, BIT_XOR_EXPR, LROTATE_EXPR, RROTATE_EXPR, + LSHIFT_EXPR, RSHIFT_EXPR, LT_EXPR, LE_EXPR, GT_EXPR, GE_EXPR, EQ_EXPR, + NE_EXPR, UNORDERED_EXPR, ORDERED_EXPR, UNLT_EXPR, UNLE_EXPR, UNGT_EXPR, + UNGE_EXPR, UNEQ_EXPR, LTGT_EXPR, TRUTH_NOT_EXPR, COMPLEX_EXPR, + WIDEN_SUM_EXPR, REDUC_MAX_EXPR, REDUC_MIN_EXPR, REDUC_PLUS_EXPR, + VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR, VEC_INTERLEAVE_HIGH_EXPR, + VEC_INTERLEAVE_LOW_EXPR, VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR, + VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR, VEC_UNPACK_FLOAT_HI_EXPR, + VEC_UNPACK_FLOAT_LO_EXPR, VEC_WIDEN_MULT_HI_EXPR, + VEC_WIDEN_MULT_LO_EXPR, VEC_PACK_TRUNC_EXPR, VEC_PACK_SAT_EXPR, + VEC_PACK_FIX_TRUNC_EXPR. + (<case PAREN_EXPR>): Call set_mem_attributes() with type, not the + full expression. + +2009-08-27 Richard Guenther <rguenther@suse.de> + + * gengtype.c (main): Handle uint64_t. + * ipa-utils.c (get_base_var): Indent properly. + * tree-ssa-live.c (debug_scope_block): New function. + * tree-flow.h (debug_scope_block): Declare. + * tree-ssa-copy.c (replace_exp_1): Add vertical space. + * basic-block.h (enum profile_status): Rename to + enum profile_status_d. + (x_profile_status): Adjust type. + +2009-08-27 Dodji Seketeli <dodji@redhat.com> + + PR debug/41170 + * dwarf2out.c (get_context_die): Declare this static function. + (gen_type_die_with_usage): Make sure a DIE is a generated for + the context of a typedef. + +2009-08-26 Anatoly Sokolov <aesok@post.ru> + + * doc/invoke.texi (AVR Options): Remove documentation of -minit-stack + switch. + +2009-08-26 Richard Sandiford <rdsandiford@googlemail.com> + + * config/mips/mips-protos.h (mips_output_sync): Declare. + (mips_sync_loop_insns): Likewise. + (mips_output_sync_loop): Replace first two parameters with an rtx. + * config/mips/mips.c (mips_multi_member): New structure. + (mips_multi_members): New variable. + (mips_multi_start): New function. + (mips_multi_add): Likewise. + (mips_multi_add_insn): Likewise. + (mips_multi_add_label): Likewise. + (mips_multi_last_index): Likewise. + (mips_multi_copy_insn): Likewise. + (mips_multi_set_operand): Likewise. + (mips_multi_write): Likewise. + (mips_print_operand_punctuation): Remove '%|' and '%-'. + (mips_init_print_operand_punct): Update accordingly. + (mips_start_ll_sc_sync_block): New function. + (mips_end_ll_sc_sync_block): Likewise. + (mips_output_sync): Likewise. + (mips_sync_insn1_template): Likewise. + (mips_sync_insn2_template): Likewise. + (mips_get_sync_operand): Likewise. + (mips_process_sync_loop): Likewise. + (mips_output_sync_loop): Use mips_process_sync_loop. + (mips_sync_loop_insns): New function. + * config/mips/mips.h (MIPS_COMPARE_AND_SWAP): Delete. + (MIPS_COMPARE_AND_SWAP_12): Likewise. + (MIPS_COMPARE_AND_SWAP_12_ZERO_OP): Likewise. + (MIPS_COMPARE_AND_SWAP_12_NONZERO_OP): Likewise. + (MIPS_SYNC_OP, MIPS_SYNC_OP_12): Likewise. + (MIPS_SYNC_OP_12_AND, MIPS_SYNC_OP_12_XOR): Likewise. + (MIPS_SYNC_OLD_OP_12): Likewise. + (MIPS_SYNC_OLD_OP_12_AND, MIPS_SYNC_OLD_OP_12_XOR): Likewise. + (MIPS_SYNC_NEW_OP_12): Likewise. + (MIPS_SYNC_NEW_OP_12_AND, MIPS_SYNC_NEW_OP_12_XOR): Likewise. + (MIPS_SYNC_OLD_OP, MIPS_SYNC_NEW_OP): Likewise. + (MIPS_SYNC_NAND, MIPS_SYNC_OLD_NAND, MIPS_SYNC_NEW_NAND): Likewise. + (MIPS_SYNC_EXCHANGE, MIPS_SYNC_EXCHANGE_12): Likewise. + (MIPS_SYNC_EXCHANGE_12_ZERO_OP): Likewise. + (MIPS_SYNC_EXCHANGE_12_NONZER_OP): Likewise. + * config/mips/mips.md (sync_mem): New attribute. + (sync_oldval, sync_newval, sync_inclusive_mask): Likewise. + (sync_exclusive_mask, sync_required_oldval): Likewise. + (sync_insn1_op2, sync_insn1, sync_insn2): Likewise. + (sync_release_barrier): Likewise. + (length): Handle sync loops. + (sync): Use mips_output_sync. + * config/mips/sync.md (*memory_barrier): Use mips_output_sync. + (sync_compare_and_swap<mode>): Set the new sync_* attributes + and use mips_output_sync_loop. + (compare_and_swap_12, sync_add<mode>, sync_<optab>_12): Likewise. + (sync_old_<optab>_12, sync_new_<optab>_12, sync_nand_12): Likewise. + (sync_old_nand_12, sync_new_nand_12, sync_sub<mode>): Likewise. + (sync_old_add<mode>, sync_old_sub<mode>): Likewise. + (sync_new_add<mode>, sync_new_sub<mode>): Likewise. + (sync_<optab><mode>, sync_old_<optab><mode>): Likewise. + (sync_new_<optab><mode>, sync_nand<mode>): Likewise. + (sync_old_nand<mode>, sync_new_nand<mode>): Likewise. + (sync_lock_test_and_set<mode>, test_and_set_12): Likewise. + +2009-08-26 Richard Guenther <rguenther@suse.de> + + PR middle-end/41163 + * gimplify.c (gimplify_addr_expr): Canonicalize ADDR_EXPRs if + the types to not match. + * tree-cfg.c (verify_gimple_assign_single): Adjust ADDR_EXPR + verification. + * tree-ssa.c (useless_type_conversion_p): Conversions to + pointers to unprototyped functions are useless. + +2009-08-26 Richard Guenther <rguenther@suse.de> + + * tree-ssa-structalias.c (create_variable_info_for): Remove strange + whole-program condition, prepare to be called for non-globals. + (intra_create_variable_infos): For restrict qualified DECL_BY_REFERENCE + params build a representative with known type and track its fields. + +2009-08-26 Uros Bizjak <ubizjak@gmail.com> + + * config/alpha/sync.md: Update comment about unpredictable LL/SC lock + clearing by a taken branch. + (sync_<fetchop_name><mode>): Split when epilogue_completed is set, + effectively after bbro pass. + (sync_nand<mode>): Ditto. + (sync_old_<fetchop_name><mode>): Ditto. + (sync_old_nand<mode>): Ditto. + (sync_new_<fetchop_name><mode>): Dito. + (sync_new_nand<mode>): Ditto. + (sync_compare_and_swap<mode>_1): Ditto. + (*sync_compare_and_swap<mode>): Ditto. + (sync_lock_test_and_set<mode>_1): Ditto. + ("sync_lock_test_and_set<mode>): Ditto. + +2009-08-25 Douglas B Rupp <rupp@gnat.com> + + * hwint.h (HOST_LONG_FORMAT): New macro + * bitmap.c, c-decl.c, mips-tfile.c, print-rtl.c, print-tree.c: + Use HOST_PTR_PRINTF. + * system.h (HOST_PTR_PRINTF): Resurrect old macro + * doc/hostconfig.texi (HOST_LONG_FORMAT): Document. + (HOST_PTR_PRINTF): Document. + +2009-08-25 Jan Hubicka <jh@suse.cz> + + * config/i386/bmmintrin.h: Replace by #error. + + Revert: + Michael Meissner <michael.meissner@amd.com> + Dwarakanath Rajagopal <dwarak.rajagopal@amd.com> + Tony Linthicum <tony.linthicum@amd.com> + + * config/i386/i386.h (TARGET_SSE5): New macro for SSE5. + (TARGET_ROUND): New macro for the round/ptest instructions which + are shared between SSE4.1 and SSE5. + (OPTION_MASK_ISA_ROUND): Ditto. + (OPTION_ISA_ROUND): Ditto. + (TARGET_FUSED_MADD): New macro for -mfused-madd swtich. + (TARGET_CPU_CPP_BUILTINS): Add SSE5 support. + + * config/i386/i386.opt (-msse5): New switch for SSE5 support. + (-mfused-madd): New switch to give users control over whether the + compiler optimizes to use the multiply/add SSE5 instructions. + + * config/i386/i386.c (enum pta_flags): Add PTA_SSE5. + (ix86_handle_option): Turn off 3dnow if -msse5. + (override_options): Add SSE5 support. + (print_operand): %Y prints comparison codes for SSE5 com/pcom + instructions. + (ix86_expand_sse_movcc): Add SSE5 support. + (ix86_expand_sse5_unpack): New function to use pperm to unpack a + vector type to the next largest size. + (ix86_expand_sse5_pack): New function to use pperm to pack a + vector type to the next smallest size. + (IX86_BUILTIN_FMADDSS): New for SSE5 intrinsic. + (IX86_BUILTIN_FMADDSD): Ditto. + (IX86_BUILTIN_FMADDPS): Ditto. + (IX86_BUILTIN_FMADDPD): Ditto. + (IX86_BUILTIN_FMSUBSS): Ditto. + (IX86_BUILTIN_FMSUBSD): Ditto. + (IX86_BUILTIN_FMSUBPS): Ditto. + (IX86_BUILTIN_FMSUBPD): Ditto. + (IX86_BUILTIN_FNMADDSS): Ditto. + (IX86_BUILTIN_FNMADDSD): Ditto. + (IX86_BUILTIN_FNMADDPS): Ditto. + (IX86_BUILTIN_FNMADDPD): Ditto. + (IX86_BUILTIN_FNMSUBSS): Ditto. + (IX86_BUILTIN_FNMSUBSD): Ditto. + (IX86_BUILTIN_FNMSUBPS): Ditto. + (IX86_BUILTIN_FNMSUBPD): Ditto. + (IX86_BUILTIN_PCMOV_V2DI): Ditto. + (IX86_BUILTIN_PCMOV_V4SI): Ditto. + (IX86_BUILTIN_PCMOV_V8HI): Ditto. + (IX86_BUILTIN_PCMOV_V16QI): Ditto. + (IX86_BUILTIN_PCMOV_V4SF): Ditto. + (IX86_BUILTIN_PCMOV_V2DF): Ditto. + (IX86_BUILTIN_PPERM): Ditto. + (IX86_BUILTIN_PERMPS): Ditto. + (IX86_BUILTIN_PERMPD): Ditto. + (IX86_BUILTIN_PMACSSWW): Ditto. + (IX86_BUILTIN_PMACSWW): Ditto. + (IX86_BUILTIN_PMACSSWD): Ditto. + (IX86_BUILTIN_PMACSWD): Ditto. + (IX86_BUILTIN_PMACSSDD): Ditto. + (IX86_BUILTIN_PMACSDD): Ditto. + (IX86_BUILTIN_PMACSSDQL): Ditto. + (IX86_BUILTIN_PMACSSDQH): Ditto. + (IX86_BUILTIN_PMACSDQL): Ditto. + (IX86_BUILTIN_PMACSDQH): Ditto. + (IX86_BUILTIN_PMADCSSWD): Ditto. + (IX86_BUILTIN_PMADCSWD): Ditto. + (IX86_BUILTIN_PHADDBW): Ditto. + (IX86_BUILTIN_PHADDBD): Ditto. + (IX86_BUILTIN_PHADDBQ): Ditto. + (IX86_BUILTIN_PHADDWD): Ditto. + (IX86_BUILTIN_PHADDWQ): Ditto. + (IX86_BUILTIN_PHADDDQ): Ditto. + (IX86_BUILTIN_PHADDUBW): Ditto. + (IX86_BUILTIN_PHADDUBD): Ditto. + (IX86_BUILTIN_PHADDUBQ): Ditto. + (IX86_BUILTIN_PHADDUWD): Ditto. + (IX86_BUILTIN_PHADDUWQ): Ditto. + (IX86_BUILTIN_PHADDUDQ): Ditto. + (IX86_BUILTIN_PHSUBBW): Ditto. + (IX86_BUILTIN_PHSUBWD): Ditto. + (IX86_BUILTIN_PHSUBDQ): Ditto. + (IX86_BUILTIN_PROTB): Ditto. + (IX86_BUILTIN_PROTW): Ditto. + (IX86_BUILTIN_PROTD): Ditto. + (IX86_BUILTIN_PROTQ): Ditto. + (IX86_BUILTIN_PROTB_IMM): Ditto. + (IX86_BUILTIN_PROTW_IMM): Ditto. + (IX86_BUILTIN_PROTD_IMM): Ditto. + (IX86_BUILTIN_PROTQ_IMM): Ditto. + (IX86_BUILTIN_PSHLB): Ditto. + (IX86_BUILTIN_PSHLW): Ditto. + (IX86_BUILTIN_PSHLD): Ditto. + (IX86_BUILTIN_PSHLQ): Ditto. + (IX86_BUILTIN_PSHAB): Ditto. + (IX86_BUILTIN_PSHAW): Ditto. + (IX86_BUILTIN_PSHAD): Ditto. + (IX86_BUILTIN_PSHAQ): Ditto. + (IX86_BUILTIN_FRCZSS): Ditto. + (IX86_BUILTIN_FRCZSD): Ditto. + (IX86_BUILTIN_FRCZPS): Ditto. + (IX86_BUILTIN_FRCZPD): Ditto. + (IX86_BUILTIN_CVTPH2PS): Ditto. + (IX86_BUILTIN_CVTPS2PH): Ditto. + (IX86_BUILTIN_COMEQSS): Ditto. + (IX86_BUILTIN_COMNESS): Ditto. + (IX86_BUILTIN_COMLTSS): Ditto. + (IX86_BUILTIN_COMLESS): Ditto. + (IX86_BUILTIN_COMGTSS): Ditto. + (IX86_BUILTIN_COMGESS): Ditto. + (IX86_BUILTIN_COMUEQSS): Ditto. + (IX86_BUILTIN_COMUNESS): Ditto. + (IX86_BUILTIN_COMULTSS): Ditto. + (IX86_BUILTIN_COMULESS): Ditto. + (IX86_BUILTIN_COMUGTSS): Ditto. + (IX86_BUILTIN_COMUGESS): Ditto. + (IX86_BUILTIN_COMORDSS): Ditto. + (IX86_BUILTIN_COMUNORDSS): Ditto. + (IX86_BUILTIN_COMFALSESS): Ditto. + (IX86_BUILTIN_COMTRUESS): Ditto. + (IX86_BUILTIN_COMEQSD): Ditto. + (IX86_BUILTIN_COMNESD): Ditto. + (IX86_BUILTIN_COMLTSD): Ditto. + (IX86_BUILTIN_COMLESD): Ditto. + (IX86_BUILTIN_COMGTSD): Ditto. + (IX86_BUILTIN_COMGESD): Ditto. + (IX86_BUILTIN_COMUEQSD): Ditto. + (IX86_BUILTIN_COMUNESD): Ditto. + (IX86_BUILTIN_COMULTSD): Ditto. + (IX86_BUILTIN_COMULESD): Ditto. + (IX86_BUILTIN_COMUGTSD): Ditto. + (IX86_BUILTIN_COMUGESD): Ditto. + (IX86_BUILTIN_COMORDSD): Ditto. + (IX86_BUILTIN_COMUNORDSD): Ditto. + (IX86_BUILTIN_COMFALSESD): Ditto. + (IX86_BUILTIN_COMTRUESD): Ditto. + (IX86_BUILTIN_COMEQPS): Ditto. + (IX86_BUILTIN_COMNEPS): Ditto. + (IX86_BUILTIN_COMLTPS): Ditto. + (IX86_BUILTIN_COMLEPS): Ditto. + (IX86_BUILTIN_COMGTPS): Ditto. + (IX86_BUILTIN_COMGEPS): Ditto. + (IX86_BUILTIN_COMUEQPS): Ditto. + (IX86_BUILTIN_COMUNEPS): Ditto. + (IX86_BUILTIN_COMULTPS): Ditto. + (IX86_BUILTIN_COMULEPS): Ditto. + (IX86_BUILTIN_COMUGTPS): Ditto. + (IX86_BUILTIN_COMUGEPS): Ditto. + (IX86_BUILTIN_COMORDPS): Ditto. + (IX86_BUILTIN_COMUNORDPS): Ditto. + (IX86_BUILTIN_COMFALSEPS): Ditto. + (IX86_BUILTIN_COMTRUEPS): Ditto. + (IX86_BUILTIN_COMEQPD): Ditto. + (IX86_BUILTIN_COMNEPD): Ditto. + (IX86_BUILTIN_COMLTPD): Ditto. + (IX86_BUILTIN_COMLEPD): Ditto. + (IX86_BUILTIN_COMGTPD): Ditto. + (IX86_BUILTIN_COMGEPD): Ditto. + (IX86_BUILTIN_COMUEQPD): Ditto. + (IX86_BUILTIN_COMUNEPD): Ditto. + (IX86_BUILTIN_COMULTPD): Ditto. + (IX86_BUILTIN_COMULEPD): Ditto. + (IX86_BUILTIN_COMUGTPD): Ditto. + (IX86_BUILTIN_COMUGEPD): Ditto. + (IX86_BUILTIN_COMORDPD): Ditto. + (IX86_BUILTIN_COMUNORDPD): Ditto. + (IX86_BUILTIN_COMFALSEPD): Ditto. + (IX86_BUILTIN_COMTRUEPD): Ditto. + (IX86_BUILTIN_PCOMEQUB): Ditto. + (IX86_BUILTIN_PCOMNEUB): Ditto. + (IX86_BUILTIN_PCOMLTUB): Ditto. + (IX86_BUILTIN_PCOMLEUB): Ditto. + (IX86_BUILTIN_PCOMGTUB): Ditto. + (IX86_BUILTIN_PCOMGEUB): Ditto. + (IX86_BUILTIN_PCOMFALSEUB): Ditto. + (IX86_BUILTIN_PCOMTRUEUB): Ditto. + (IX86_BUILTIN_PCOMEQUW): Ditto. + (IX86_BUILTIN_PCOMNEUW): Ditto. + (IX86_BUILTIN_PCOMLTUW): Ditto. + (IX86_BUILTIN_PCOMLEUW): Ditto. + (IX86_BUILTIN_PCOMGTUW): Ditto. + (IX86_BUILTIN_PCOMGEUW): Ditto. + (IX86_BUILTIN_PCOMFALSEUW): Ditto. + (IX86_BUILTIN_PCOMTRUEUW): Ditto. + (IX86_BUILTIN_PCOMEQUD): Ditto. + (IX86_BUILTIN_PCOMNEUD): Ditto. + (IX86_BUILTIN_PCOMLTUD): Ditto. + (IX86_BUILTIN_PCOMLEUD): Ditto. + (IX86_BUILTIN_PCOMGTUD): Ditto. + (IX86_BUILTIN_PCOMGEUD): Ditto. + (IX86_BUILTIN_PCOMFALSEUD): Ditto. + (IX86_BUILTIN_PCOMTRUEUD): Ditto. + (IX86_BUILTIN_PCOMEQUQ): Ditto. + (IX86_BUILTIN_PCOMNEUQ): Ditto. + (IX86_BUILTIN_PCOMLTUQ): Ditto. + (IX86_BUILTIN_PCOMLEUQ): Ditto. + (IX86_BUILTIN_PCOMGTUQ): Ditto. + (IX86_BUILTIN_PCOMGEUQ): Ditto. + (IX86_BUILTIN_PCOMFALSEUQ): Ditto. + (IX86_BUILTIN_PCOMTRUEUQ): Ditto. + (IX86_BUILTIN_PCOMEQB): Ditto. + (IX86_BUILTIN_PCOMNEB): Ditto. + (IX86_BUILTIN_PCOMLTB): Ditto. + (IX86_BUILTIN_PCOMLEB): Ditto. + (IX86_BUILTIN_PCOMGTB): Ditto. + (IX86_BUILTIN_PCOMGEB): Ditto. + (IX86_BUILTIN_PCOMFALSEB): Ditto. + (IX86_BUILTIN_PCOMTRUEB): Ditto. + (IX86_BUILTIN_PCOMEQW): Ditto. + (IX86_BUILTIN_PCOMNEW): Ditto. + (IX86_BUILTIN_PCOMLTW): Ditto. + (IX86_BUILTIN_PCOMLEW): Ditto. + (IX86_BUILTIN_PCOMGTW): Ditto. + (IX86_BUILTIN_PCOMGEW): Ditto. + (IX86_BUILTIN_PCOMFALSEW): Ditto. + (IX86_BUILTIN_PCOMTRUEW): Ditto. + (IX86_BUILTIN_PCOMEQD): Ditto. + (IX86_BUILTIN_PCOMNED): Ditto. + (IX86_BUILTIN_PCOMLTD): Ditto. + (IX86_BUILTIN_PCOMLED): Ditto. + (IX86_BUILTIN_PCOMGTD): Ditto. + (IX86_BUILTIN_PCOMGED): Ditto. + (IX86_BUILTIN_PCOMFALSED): Ditto. + (IX86_BUILTIN_PCOMTRUED): Ditto. + (IX86_BUILTIN_PCOMEQQ): Ditto. + (IX86_BUILTIN_PCOMNEQ): Ditto. + (IX86_BUILTIN_PCOMLTQ): Ditto. + (IX86_BUILTIN_PCOMLEQ): Ditto. + (IX86_BUILTIN_PCOMGTQ): Ditto. + (IX86_BUILTIN_PCOMGEQ): Ditto. + (IX86_BUILTIN_PCOMFALSEQ): Ditto. + (IX86_BUILTIN_PCOMTRUEQ): Ditto. + (enum multi_arg_type): New enum for describing the various SSE5 + intrinsic argument types. + (bdesc_multi_arg): New table for SSE5 intrinsics. + (ix86_init_mmx_sse_builtins): Add SSE5 intrinsic support. + (ix86_expand_multi_arg_builtin): New function for creating SSE5 + intrinsics. + (ix86_expand_builtin): Add SSE5 intrinsic support. + (ix86_sse5_valid_op_p): New function to validate SSE5 3 and 4 + operand instructions. + (ix86_expand_sse5_multiple_memory): New function to split the + second memory reference from SSE5 instructions. + (type_has_variadic_args_p): Delete in favor of stdarg_p. + (ix86_return_pops_args): Use stdarg_p to determine if the function + has variable arguments. + (ix86_setup_incoming_varargs): Ditto. + (x86_this_parameter): Ditto. + + * config/i386/i386-protos.h (ix86_expand_sse5_unpack): Add + declaration. + (ix86_expand_sse5_pack): Ditto. + (ix86_sse5_valid_op_p): Ditto. + (ix86_expand_sse5_multiple_memory): Ditto. + + * config/i386/i386.md (UNSPEC_SSE5_INTRINSIC): Add new UNSPEC + constant for SSE5 support. + (UNSPEC_SSE5_UNSIGNED_CMP): Ditto. + (UNSPEC_SSE5_TRUEFALSE): Ditto. + (UNSPEC_SSE5_PERMUTE): Ditto. + (UNSPEC_SSE5_ASHIFT): Ditto. + (UNSPEC_SSE5_LSHIFT): Ditto. + (UNSPEC_FRCZ): Ditto. + (UNSPEC_CVTPH2PS): Ditto. + (UNSPEC_CVTPS2PH): Ditto. + (PCOM_FALSE): Add new constant for true/false SSE5 comparisons. + (PCOM_TRUE): Ditto. + (COM_FALSE_S): Ditto. + (COM_FALSE_P): Ditto. + (COM_TRUE_S): Ditto. + (COM_TRUE_P): Ditto. + (type attribute): Add ssemuladd, sseiadd1, ssecvt1, sse4arg types. + (unit attribute): Add support for ssemuladd, ssecvt1, sseiadd1 sse4arg + types. + (memory attribute): Ditto. + (sse4_1_round<mode>2): Use TARGET_ROUND instead of TARGET_SSE4_1. + Use SSE4_1_ROUND_* constants instead of hard coded numbers. + (rint<mode>2): Use TARGET_ROUND instead of TARGET_SSE4_1. + (floor<mode>2): Ditto. + (ceil<mode>2): Ditto. + (btrunc<mode>2): Ditto. + (nearbyintdf2): Ditto. + (nearbyintsf2): Ditto. + (sse_setccsf): Disable if SSE5. + (sse_setccdf): Ditto. + (sse5_setcc<mode>): New support for SSE5 conditional move. + (sse5_pcmov_<mode>): Ditto. + + * config/i386/sse.md (SSEMODE1248): New mode iterator for SSE5. + (SSEMODEF4): Ditto. + (SSEMODEF2P): Ditto. + (ssemodesuffixf4): New mode attribute for SSE5. + (ssemodesuffixf2s): Ditto. + (ssemodesuffixf2c): Ditto. + (sserotatemax): Ditto. + (ssescalarmode): Ditto. + (sse_maskcmpv4sf3): Disable if SSE5. + (sse_maskcmpv2df3): Ditto. + (sse_vmmaskcmpv4sf3): Ditto. + (sse5_fmadd<mode>4): Add SSE5 floating point multiply/add instructions. + (sse5_vmfmadd<mode>4): Ditto. + (sse5_fmsub<mode>4): Ditto. + (sse5_vmfmsub<mode>4): Ditto. + (sse5_fnmadd<mode>4): Ditto. + (sse5_vmfnmadd<mode>4): Ditto. + (sse5_fnmsub<mode>4): Ditto. + (sse5_vmfnmsub<mode>4): Ditto. + (sse5i_fmadd<mode>4): Ditto. + (sse5i_fmsub<mode>4): Ditto. + (sse5i_fnmadd<mode>4): Ditto. + (sse5i_fnmsub<mode>4): Ditto. + (sse5i_vmfmadd<mode>4): Ditto. + (sse5i_vmfmsub<mode>4): Ditto. + (sse5i_vmfnmadd<mode>4): Ditto. + (sse5i_vmfnmsub<mode>4): Ditto. + (mulv16qi3): Add SSE5 support. + (mulv4si3): Ditto. + (sse5_mulv4si3): New insn for 32-bit multiply support on SSE5. + (sse2_mulv4si3): Disable if SSE5. + (sse4_1_roundpd): Use TARGET_ROUND instead of TARGET_SSE4_1. + (sse4_1_roundps): Ditto. + (sse4_1_roundsd): Ditto. + (sse4_1_roundss): Ditto. + (sse_maskcmpv4sf3): Disable if SSE5 so the SSE5 instruction will + be generated. + (sse_maskcmpsf3): Ditto. + (sse_vmmaskcmpv4sf3): Ditto. + (sse2_maskcmpv2df3): Ditto. + (sse2_maskcmpdf3): Ditto. + (sse2_vmmaskcmpv2df3): Ditto. + (sse2_eq<mode>3): Ditto. + (sse2_gt<mode>3): Ditto. + (sse5_pcmov_<mode>): Add SSE5 support. + (vec_unpacku_hi_v16qi): Ditto. + (vec_unpacks_hi_v16qi): Ditto. + (vec_unpacku_lo_v16qi): Ditto. + (vec_unpacks_lo_v16qi): Ditto. + (vec_unpacku_hi_v8hi): Ditto. + (vec_unpacks_hi_v8hi): Ditto. + (vec_unpacku_lo_v8hi): Ditto. + (vec_unpacks_lo_v8hi): Ditto. + (vec_unpacku_hi_v4si): Ditto. + (vec_unpacks_hi_v4si): Ditto. + (vec_unpacku_lo_v4si): Ditto. + (vec_unpacks_lo_v4si): Ditto. + (sse5_pmacsww): New SSE5 intrinsic insn. + (sse5_pmacssww): Ditto. + (sse5_pmacsdd): Ditto. + (sse5_pmacssdd): Ditto. + (sse5_pmacssdql): Ditto. + (sse5_pmacssdqh): Ditto. + (sse5_pmacsdqh): Ditto. + (sse5_pmacsswd): Ditto. + (sse5_pmacswd): Ditto. + (sse5_pmadcsswd): Ditto. + (sse5_pmadcswd): Ditto. + (sse5_pcmov_<move>): Conditional move support on SSE5. + (sse5_phaddbw): New SSE5 intrinsic insn. + (sse5_phaddbd): Ditto. + (sse5_phaddbq): Ditto. + (sse5_phaddwd): Ditto. + (sse5_phaddwq): Ditto. + (sse5_phadddq): Ditto. + (sse5_phaddubw): Ditto. + (sse5_phaddubd): Ditto. + (sse5_phaddubq): Ditto. + (sse5_phadduwd): Ditto. + (sse5_phadduwq): Ditto. + (sse5_phaddudq): Ditto. + (sse5_phsubbw): Ditto. + (sse5_phsubwd): Ditto. + (sse5_phsubdq): Ditto. + (sse5_pperm): Ditto. + (sse5_pperm_sign_v16qi_v8hi): New insns for pack/unpack with SSE5. + (sse5_pperm_zero_v16qi_v8hi): Ditto. + (sse5_pperm_sign_v8hi_v4si): Ditto. + (sse5_pperm_zero_v8hi_v4si): Ditto. + (sse5_pperm_sign_v4si_v2di): Ditto. + (sse5_pperm_sign_v4si_v2di): Ditto. + (sse5_pperm_pack_v2di_v4si): Ditto. + (sse5_pperm_pack_v4si_v8hi): Ditto. + (sse5_pperm_pack_v8hi_v16qi): Ditto. + (sse5_perm<mode>): New SSE5 intrinsic insn. + (rotl<mode>3): Ditto. + (sse5_rotl<mode>3): Ditto. + (sse5_ashl<mode>3): Ditto. + (sse5_lshl<mode>3): Ditto. + (sse5_frcz<mode>2): Ditto. + (sse5s_frcz<mode>2): Ditto. + (sse5_cvtph2ps): Ditto. + (sse5_cvtps2ph): Ditto. + (sse5_vmmaskcmp<mode>3): Ditto. + (sse5_com_tf<mode>3): Ditto. + (sse5_maskcmp<mode>3): Ditto. + (sse5_maskcmp_uns<mode>3): Ditto. + (sse5_maskcmp_uns2<mode>3): Ditto. + (sse5_pcom_tf<mode>3): Ditto. + + * config/i386/predicates.md (sse5_comparison_float_operator): + New predicate to match the comparison operators supported by + the SSE5 com instruction. + (ix86_comparison_int_operator): New predicate to match just the + signed int comparisons. + (ix86_comparison_uns_operator): New predicate to match just the + unsigned int comparisons. + + * doc/invoke.texi (-msse5): Add documentation. + (-mfused-madd): Ditto. + + * doc/extend.texi (x86 intrinsics): Document new SSE5 intrinsics. + + * config.gcc (i[34567]86-*-*): Include bmmintrin.h and + mmintrin-common.h. + (x86_64-*-*): Ditto. + + * config/i386/cpuid.h (bit_SSE5): Define SSE5 bit. + + * config/i386/bmmintrin.h: New file, provide common x86 compiler + intrinisics for SSE5. + + * config/i386/smmintrin.h: Move instructions shared with SSE5 to + mmintrin-common.h. + + * config/i386/mmintrin-common.h: New file, to contain common + instructions between SSE4.1 and SSE5. + + * config/i386/netware.c (gen_stdcall_or_fastcall_decoration): Use + FOREACH_FUNCTION_ARGS to iterate over the argument list. + (gen_regparm_prefix): Ditto. + + * config/i386/winnt.c (gen_stdcall_or_fastcall_suffix): Use + FOREACH_FUNCTION_ARGS to iterate over the argument list. Use + prototype_p to determine if a function is prototyped. + +2009-08-25 Ville Voutilainen <ville.voutilainen@gmail.com> + + * c-common.c (c_common_reswords) add the alignof keyword, + with same RID as __alignof and __alignof__ + +2009-08-25 Anatoly Sokolov <aesok@post.ru> + + * hooks.h (hook_bool_const_int_const_int_true): Declare. + * hooks.c (hook_bool_const_int_const_int_true): New function. + * target.h (struct gcc_target): Add can_eliminate field. + * target-def.h (TARGET_CAN_ELIMINATE): Define. + (TARGET_INITIALIZER): Use TARGET_CAN_ELIMINATE. + * ira.c (setup_eliminable_regset): Use can_eliminate target hook. + * reload1.c (update_eliminables, init_elim_table): (Ditto.). + (elim_table): Revise comment. + * system.h (CAN_ELIMINATE): Poison. + * defaults.h (CAN_ELIMINATE): Remove. + * doc/tm.texi (CAN_ELIMINATE): Revise documentation. + + * config/alpha/vms.h (CAN_ELIMINATE): Remove macro. + * config/alpha/alpha.c (TARGET_CAN_ELIMINATE) [TARGET_ABI_OPEN_VMS]: + Define macro. + (alpha_vms_can_eliminate): Declare as static, change return type to + bool. + * config/alpha/alpha-protos.h (alpha_vms_can_eliminate): Remove. + + * config/arm/arm.h (CAN_ELIMINATE): Remove macro. + * config/arm/arm.c (TARGET_CAN_ELIMINATE): Define macro. + (arm_can_eliminate): New function. + + * config/avr/avr.h (CAN_ELIMINATE): Remove macro. + * config/avr/avr.c (TARGET_CAN_ELIMINATE): Define macro. + (avr_can_eliminate): Declare as static. + * config/avr/avr-protos.h (avr_can_eliminate): Remove. + + * config/bfin/bfin.h (CAN_ELIMINATE): Remove macro. + * config/bfin/bfin.c (TARGET_CAN_ELIMINATE): Define macro. + (bfin_can_eliminate): New function. + + * config/crx/crx.h (CAN_ELIMINATE): Remove macro. + * config/crx/crx.c (TARGET_CAN_ELIMINATE): Define macro. + (crx_can_eliminate): New function. + + * config/fr30/fr30.h (CAN_ELIMINATE): Remove macro. + * config/fr30/fr30.c (TARGET_CAN_ELIMINATE): Define macro. + (fr30_can_eliminate): New function. + + * config/frv/frv.h (CAN_ELIMINATE): Remove macro. + * config/frv/frv.c (TARGET_CAN_ELIMINATE): Define macro. + (frv_can_eliminate): New function. + + * config/h8300/h8300.h (CAN_ELIMINATE): Remove macro. + * config/h8300/h8300.c (TARGET_CAN_ELIMINATE): Define macro. + (h8300_can_eliminate): New function. + + * config/i386/i386.h (CAN_ELIMINATE): Remove macro. + * config/i386/i386.c (TARGET_CAN_ELIMINATE): Define macro. + (i386_can_eliminate): Declare as static, change return type to bool. + * config/i386/i386-protos.h (i386_can_eliminate): Remove. + + * config/ia64/ia64.h (CAN_ELIMINATE): Remove macro. + * config/ia64/ia64.c (TARGET_CAN_ELIMINATE): Define macro. + (ia64_can_eliminate): New function. + + * config/iq2000/iq2000.h (CAN_ELIMINATE): Remove macro. + * config/iq2000/iq2000.c (TARGET_CAN_ELIMINATE): Define macro. + (iq2000_can_eliminate): New function. + + * config/m32r/m32r.h (CAN_ELIMINATE): Remove macro. + * config/m32r/m32r.c (TARGET_CAN_ELIMINATE): Define macro. + (m32r_can_eliminate): New function. + + * config/m68hc11/m68hc11.h (CAN_ELIMINATE): Remove macro. + * config/m68hc11/m68hc11.c (TARGET_CAN_ELIMINATE): Define macro. + (m68hc11_can_eliminate): New function. + + * config/m68k/m68k.h (CAN_ELIMINATE): Remove macro. + * config/m68k/m68k.c (TARGET_CAN_ELIMINATE): Define macro. + (m68k_can_eliminate): New function. + + * config/mep/mep.h (CAN_ELIMINATE): Remove macro. + * config/mep/mep.c (TARGET_CAN_ELIMINATE): Define macro. + (mep_can_eliminate): New function. + + * config/mips/mips.h (CAN_ELIMINATE): Remove macro. + * config/mips/mips.c (TARGET_CAN_ELIMINATE): Define macro. + (mips_can_eliminate): New function. + + * config/rs6000/rs6000.h (CAN_ELIMINATE): Remove macro. + * config/rs6000/rs6000.c (TARGET_CAN_ELIMINATE): Define macro. + (rs6000_can_eliminate): New function. + + * config/s390/s390.h (CAN_ELIMINATE): Remove macro. + * config/s390/s390.c (TARGET_CAN_ELIMINATE): Define macro. + (s390_can_eliminate): Declare as static. + * config/s390/s390-protos.h (sparc_can_eliminate): Remove. + + * config/score/score.h (CAN_ELIMINATE): Remove macro. + * config/score/score.c (TARGET_CAN_ELIMINATE): Define macro. + (score_can_eliminate): New function. + + * config/sparc/sparc.h (CAN_ELIMINATE): Remove macro. + * config/sparc/sparc.c (TARGET_CAN_ELIMINATE): Define macro. + (sparc_can_eliminate): Declare as static. + * config/sparc/sparc-protos.h (sparc_can_eliminate): Remove. + + * config/stormy16/stormy16.h (CAN_ELIMINATE): Remove macro. + * config/stormy16/stormy16.c (TARGET_CAN_ELIMINATE): Define macro. + (xstormy16_can_eliminate): New function. + + * config/v850/v850.h (CAN_ELIMINATE): Remove macro. + * config/v850/v850.c (TARGET_CAN_ELIMINATE): Define macro. + (v850_can_eliminate): New function. + +2009-08-25 Uros Bizjak <ubizjak@gmail.com> + + * config/alpha/alpha.md (*cmpdf_ieee_ext[123]): Remove. + (*cmpdf_internal): Enable for all ALPHA_FPTM levels. + (*movdfcc_ext[1234]): Disable for IEEE mode. + +2009-08-25 Eric Botcazou <ebotcazou@adacore.com> + + * gimplify.c (prepare_gimple_addressable): New static function. + (gimplify_modify_expr_to_memcpy): Invoke it on the RHS before marking + it addressable. + (gimplify_addr_expr): Invoke it similarly on the operand instead of + manually fiddling with it. + +2009-08-25 Michael Matz <matz@suse.de> + + * expr.h (jumpifnot_1, jumpif_1, do_jump_1): Declare. + * dojump.c (do_jump_by_parts_greater): Take two operands instead of + full expression. + (do_jump_by_parts_equality, do_compare_and_jump): Ditto. + (jumpifnot_1, jumpif_1): New wrappers for do_jump_1. + (do_jump): Split out code for simple binary comparisons into ... + (do_jump_1): ... this, taking the individual operands and code. + Change callers to helper function above accordingly. + * expr.c (expand_expr_real_1): Use jumpifnot_1 for simple binary + comparisons. + +2009-08-25 Michael Matz <matz@suse.de> + + * expr.h (struct separate_ops, sepops): New type for passing + around an exploded simple expression. + * optabs.c (expand_widen_pattern_expr, expand_vec_shift_expr): + Use this structure instead of expression tree. + (get_vcond_icode, expand_vec_cond_expr_p): Don't take whole + expression, only its type. + (expand_vec_cond_expr): Take type and individual operands instead + of full expression. + * optabs.h (expand_widen_pattern_expr, expand_vec_cond_expr, + expand_vec_shift_expr): Change prototype accordingly. + * tree-vect-stmts.c (vectorizable_condition): Change call of + expand_vec_cond_expr_p to pass only type. + * expr.c (do_store_flags): Change prototype and implementation + to take an exploded expression. + (expand_expr_real_1): New local ops initialized with details + of the full expression. Use it instead of full + expression in calls to do_store_flags, expand_vec_cond_expr, + expand_widen_pattern_expr and expand_vec_shift_expr. + +2009-08-25 Michael Matz <matz@suse.de> + + * expr.c (expand_expr_real_1): New local treeop0, treeop1, + treeop2 initialized with first three operands of the full expression. + Substitute all TREE_OPERAND (exp, [012]) calls with them. + +2009-08-25 Kai Tietz <kai.tietz@onevision.com> + + * gcc/gthr-win32.h (__UNUSED_PARAM): Define, if not already present. + (__gthread_objc_condition_allocate): Mark arguments as unused. + (__gthread_objc_condition_deallocate): Likewise. + (__gthread_objc_condition_wait): Likewise. + (__gthread_objc_condition_broadcast): Likewise. + (__gthread_objc_condition_signal): Likewise. + (__gthread_objc_thread_detach): Cast via INT_PTR to pointer. + (__gthread_objc_thread_id): Likewise. + +2009-08-25 Janus Weil <janus@gcc.gnu.org> + + PR middle-end/41149 + * tree-pretty-print.c (print_call_name): Print the correct call name + for procedure pointer components. + +2009-08-24 Steve Ellcey <sje@cup.hp.com> + + * config/ia64/ia64.c (ia64_promote_function_mode): Call + default_promote_function_mode when not VMS. + +2009-08-24 Olivier Hainque <hainque@adacore.com> + + * convert.c (convert_to_integer): Don't assume an input pointer is + POINTER_SIZE wide. Fetch from the type instead. + +2009-08-24 Ralf Wildenhues <Ralf.Wildenhues@gmx.de> + + * configure.ac (AC_PREREQ): Bump to 2.64. + +2009-08-24 Rafael Avila de Espindola <espindola@google.com> + + * gcc.c (standard_exec_prefix_1,standard_exec_prefix_2): Remove. + (process_command): Don't search standard_exec_prefix_1 and + standard_exec_prefix_2. + +2009-08-24 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com> + + * config/arm/arm.c (output_return_instruction): Handle for + unified syntax. + +2009-08-24 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com> + + * config/arm/arm.c (arm_select_cc_mode): Handle subreg. + +2009-08-24 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com> + + * config/arm/vfp.md (*arm_movdi_vfp): Mark as predicable. + (*arm_movdf_vfp): Likewise. + +2009-08-24 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com> + + * config/arm/neon.md (vashl<mode>3): Rename from ashl<mode>3. + (vashr<mode>3): Rename from ashr<mode>3. + (vlshr<mode>3): Rename from lshr<mode>3. + +2009-08-24 Kai Tietz <kai.tietz@onevision.com> + + PR/40786 + * c-format.c (format_wanted_type): Add new member scalar_identity_flag. + (check_format_info_main): Use scalar_identify_flag. + (check_format_types): Check for scalar size identity if + scalar_identify_flag is set. + (printf_length_specs): Extend by new field. + (asm_fprintf_length_specs): Likewise. + (gcc_diag_length_specs): Likewise. + (scanf_length_specs): Likewise. + (strfmon_length_specs): Likewise. + (gcc_gfc_length_specs): Likewise. + * config/i386/msformat-c.c (ms_printf_length_specs): Likewise. + (ms_printf_flag_specs): Likewise. + * c-format.h (format_length_info): Add new member scalar_identity_flag. + +2009-08-23 Uros Bizjak <ubizjak@gmail.com> + + PR target/40718 + * config/i386/i386.c (*call_pop_1): Disable for sibling calls. + (*call_value_pop_1): Ditto. + (*sibcall_pop_1): New insn pattern. + (*sibcall_value_pop_1): Ditto. + +2009-08-23 Alan Modra <amodra@bigpond.net.au> + + PR target/41081 + * config/rs6000/rs6000.md (rotlsi3_64, ashlsi3_64, lshrsi3_64, + ashrsi3_64): New. + +2009-08-23 Alan Modra <amodra@bigpond.net.au> + + PR target/41081 + * fwprop.c (try_fwprop_subst): Allow multiple sets. + (get_reg_use_in): New function. + (forward_propagate_subreg): Propagate through subreg of zero_extend + or sign_extend. + +2009-08-22 Kaz Kojima <kkojima@gcc.gnu.org> + + * config/sh/t-sh (TARGET_LIBGCC2_CFLAGS): Define. + * config/sh/t-netbsd (TARGET_LIBGCC2_CFLAGS): Add -mieee. + +2009-08-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de> + + * configure.ac: Remove --with-datarootdir, --with-docdir, + --with-htmldir switches. No need to call AC_SUBST for + datarootdir, docdir, htmldir any more. + * configure: Regenerate. + * doc/install.texi (Configuration): Document --datarootdir, + --docdir, --htmldir, --pdfdir; update documentation for + --infodir, --mandir. + (Prerequisites): Bump Autoconf version to 2.64, Automake to 1.11, + M4 to 1.4.6. + + * aclocal.m4: Regenerate. + * config.in: Regenerate. + * configure: Regenerate. + +2009-08-21 Douglas B Rupp <rupp@gnat.com> + Olivier Hainque <hainque@adacore.com> + + * config/ia64/ia64.c: Include libfuncs.h. + (TARGET_PROMOTE_FUNCITON_MODE): Define target macro. + (ia64_expand_call): Use reg 25 on VMS. + (ia64_initialize_trampoline): Fix for VMS ABI. + (ia64_function_arg_offset): Always returns 0 when TARGET_ABI_OPEN_VMS. + (ia64_function_arg): Initialize reg 25 on VMS. + Fix OpenVMS ABI issues for varargs. + For OpenVMS, emit the Argument Information register set in the + incoming/sibcall case as well. + (ia64_arg_type): New function. + (ia64_function_arg_advance): Keep track of cum->words. + Fix OpenVMS ABI issues for varargs. + (ia64_function_value): On VMS, promote mode of non-aggregate types. + (ia64_override_options): Set flag_no_common on VMS. + (ia64_init_builtins): Disable FWRITE builtin. + (ia64_asm_output_external): Call DO_CRTL_NAMES. + (ia64_vms_init_libfuncs): Add decc$ routines. + (ia64_vms_valid_pointer_mode): New function. + (ia64_struct_value_rtx): Allways NULL_RTX on VMS. + (ia64_promote_function_mode): New function + * config/ia64/ia64.h (TARGET_ABI_OPEN_VMS): Define as 0 for default. + (LONG_DOUBLE_TYPE_SIZE): Force to 64 on VMS. + (LIBCGC2_LONG_DOUBLE_TYPE_SIZE): Likewise. + (INIT_CUMULATIVE_ARGS): Add atypes for VMS. + (INIT_CUMULATIVE_INCOMING_ARGS): Likewise. + (ASM_OUTPUT_DEF): Use ISDIGIT instead of isdigit. + Suppress trailing '#' if VALUE is numeric. + * config/ia64/vms.h (PROMOTE_FUNCTION_MODE): Remove, code moved to + ia64_promote_function_mode. + (TARGET_VALID_POINTER_MODE): Define. + +2009-08-21 Michael Meissner <meissner@linux.vnet.ibm.com> + + PR target/40671 + * config/rs6000/rs6000.c (rs6000_override_options): Use + TARGET_64BIT instead of TARGET_POWERPC64 to set the size of pointers. + + PR target/41145 + * config/rs6000/rs6000.c (rs6000_handle_altivec_attribute): Fix + reporting of vector + decimal/boolean/complex error. + +2009-08-21 Jakub Jelinek <jakub@redhat.com> + + * config/rs6000/rs6000.c (rs6000_init_builtins): Fix type of + __vector double TYPE_DECL. + +2009-08-21 Richard Earnshaw <rearnsha@arm.com> + + * arm.h (MACHMODE): New define. Include insn-modes.h if available. + (CUMULATIVE_ARGS): Use MACHMODE for declaration of aapcs_vfp_mode. + * arm.c (aapcs_vfp_is_call_or_return_candidate): Change base_mode + to pointer to enum machine_mode. Update all callers as needed. + +2009-08-21 Uros Bizjak <ubizjak@gmail.com> + + * config/alpha/alpha.md (exception_receiver): Emit alternative + GP load sequence if flag_reorder_blocks_and_partition is set. + (*exception_receiver_2): Also enable when + flag_reorder_blocks_and_partition is set. + +2009-08-20 Matt Rice <ratmice@gmail.com> + Diego Novillo <dnovillo@google.com> + + * Makefile.in (PLUGIN_HEADERS): Include incpath.h and + tree-ssa-sccvn.h. + +2009-08-20 Richard Guenther <rguenther@suse.de> + + * c-objc-common.h (LANG_HOOKS_DUP_LANG_SPECIFIC_DECL): Do not define. + * c-tree.h (c_dup_lang_specific_decl): Remove. + (struct lang_decl, struct lang_type): Move definitions ... + * c-lang.h: ... here. New file. + * c-decl.c: Include c-lang.h. + (c_dup_lang_specific_decl): Remove. + * c-typeck.c: Include c-lang.h. + * Makefile.in (c-decl.o): Add c-lang.h dependency. + (c-typeck.o): Likewise. + * c-config-lang.in (gtfiles): Add c-lang.h. + * gengtype.c (get_output_file_with_visibility): Handle c-lang.h + like c-tree.h. + +2009-08-20 Uros Bizjak <ubizjak@gmail.com> + + * config/alpha/alpha.c (alpha_end_function): Do not clear + crtl->emit structure and free insn locators if cfun->is_thunk is true, + this is now handled in generic code. + +2009-08-20 Andreas Krebbel <krebbel1@de.ibm.com> + + * config/s390/s390.c (Z10_PREDICT_DISTANCE): New macro. + (s390_z10_fix_long_loop_prediction): New function. + (s390_z10_optimize_cmp): INSN walk moved to callee - s390_reorg. + (s390_reorg): Walk over the INSNs and invoke + s390_z10_fix_long_loop_prediction and s390_z10_optimize_cmp. + +2009-08-20 Andreas Krebbel <krebbel1@de.ibm.com> + + * config/s390/s390.md ("*brx_stage1_<GPR:mode>", "*brxg_64bit", + "*brx_64bit", "*brx_31bit"): New patterns. + * config/s390/s390.c ('E'): New output modifier. + +2009-08-20 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com> + Richard Earnshaw <richard.earnshaw@arm.com> + + * config/arm/arm.c (arm_emit_movpair): Handle CONST_INT. + * config/arm/arm.md (*arm_movtas_ze): New pattern for movt. + +2009-08-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca> + + * pa.md (reload_inhi, reload_outhi, reload_inqi, reload_outqi): New + patterns. + * pa.c (emit_move_sequence): Check if address of operand1 is valid + for mode mode of operand0 when doing secondary reload for SAR. + +2009-08-19 Jakub Jelinek <jakub@redhat.com> + + PR middle-end/41123 + * expr.c (expand_expr_real_1) <normal_inner_ref>: Handle all kinds + of CONCAT, not just bitpos 0 bitsize size of the whole CONCAT. + +2009-08-19 Jason Merrill <jason@redhat.com> + + * doc/invoke.texi (C++ Dialect Options): Note change of minimum + supported template depth in C++0x. + +2009-08-19 Jakub Jelinek <jakub@redhat.com> + + * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Don't call + free_after_compilation. + * config/score/score7.c (score7_output_mi_thunk): Likewise. + * config/score/score3.c (score3_output_mi_thunk): Likewise. + * config/ia64/ia64.c (ia64_output_mi_thunk): Likewise. + * config/mips/mips.c (mips_output_mi_thunk): Likewise. + * config/sh/sh.c (sh_output_mi_thunk): Likewise. + * config/m68k/m68k.c (m68k_output_mi_thunk): Likewise. + * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise. + +2009-08-19 Ian Lance Taylor <iant@google.com> + + * doc/md.texi (Insn Canonicalizations): Correct canonicalization + of (plus (mult (neg B) C) A). + +2009-08-18 Michael Matz <matz@suse.de> + + * omp-low.c (optimize_omp_library_calls): Use types_compatible_p + instead of comparing TYPE_MAIN_VARIANT for equality. + * tree-vect-patterns.c (vect_recog_dot_prod_pattern, + vect_recog_widen_mult_pattern, vect_recog_widen_sum_pattern): Ditto. + * tree-vect-loop.c (vect_is_simple_reduction): Ditto. + * gimplify.c (goa_lhs_expr_p): Ditto and use + STRIP_USELESS_TYPE_CONVERSION. + +2009-08-18 Michael Matz <matz@suse.de> + + * tree-ssa-structalias.c (create_variable_info_for): Also mark + first field in a struct. + (intra_create_variable_infos): Don't deal with flag_argument_noalias. + +2009-08-18 Uros Bizjak <ubizjak@gmail.com> + + * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Allocate insn + locators before emit_insn is called. Remove assert that + cfun->is_thunk. + (alpha_end_function): Clear crtl->emit structure and free insn + locators if cfun->is_thunk is true. + +2009-08-18 Jason Merrill <jason@redhat.com> + + * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object + type if available. + * configure.ac: Test for it. + * configure, config.in: Regenerate. + * doc/install.texi: Document --enable-gnu-unique-object. + +2009-08-18 Richard Guenther <rguenther@suse.de> + + PR middle-end/41094 + * builtins.c (fold_builtin_pow): Fold pow(pow(x,y),z) to + pow(x,y*z) only if x is nonnegative. + +2009-08-18 Jakub Jelinek <jakub@redhat.com> + + * bb-reorder.c (fix_up_fall_thru_edges): Only call invert_jump + on jumps. + + PR target/40971 + * config/rs6000/rs6000.c (rs6000_legitimize_address): For + [DT][FDI]mode ensure the offset isn't 4/8/12 bytes below 0x8000. + +2009-08-17 DJ Delorie <dj@redhat.com> + + * config/m32c/m32c.md (UNS_FSETB, UNS_FREIT): New. + * config/m32c/prologue.md (epilogue_freit): New. + (fset_b): New. + * config/m32c/m32c.c (m32c_function_needs_enter): Add prototype. + (bank_switch_p): Likewise. + (fast_interrupt_p): Likewise. + (interrupt_p): Likewise. + (m32c_conditional_register_usage): Round memregs size up. + (need_to_save): We only need to save $a0 when we use ENTER. + (interrupt_p): Check for fast_interrupt too. + (bank_switch_p): New. + (fast_interrupt_p): New. + (m32c_attribute_table): Add bank_switch and fast_interrupt. + (m32c_emit_prolog): Support bank switching and fast interrupts. + * doc/extend.texi (Function Attributes): Add bank_switch and + fast_interrupt. + +2009-08-17 Douglas B Rupp <rupp@gnat.com> + + * config/alpha/alpha.c (vms_valid_pointer_mode): New function. + * config/alpha/vms.h (TARGET_VALID_POINTER_MODE): Define. + +2009-08-16 Douglas B Rupp <rupp@gnat.com> + + * doc/invoke.texi (Target options): Add new option list for IA-64/VMS. + (menu): Add IA-64/VMS Options. + (IA-64/VMS Options): Likewise. + +2009-08-16 Richard Sandiford <rdsandiford@googlemail.com> + + PR target/38599 + * config/mips/mips.md (*lwxs): Use :P for pointer values. + +2009-08-16 Richard Sandiford <rdsandiford@googlemail.com> + + * config/mips/mips-protos.h (mips_push_asm_switch): New function. + (mips_pop_asm_switch): Likewise. + * config/mips/mips.c (set_noreorder, set_nomacro, set_noat): Replace + with... + (mips_noreorder, mips_nomacro, mips_noat): ...these new variables. + (mips_push_asm_switch_1, mips_pop_asm_switch_1): New functions. + (mips_push_asm_switch, mips_pop_asm_switch): Likewise. + (mips_print_operand_punctuation): Use them. Check mips_noreorder + instead of set_noreorder. + (mips_output_function_prologue): Use the new functions. + (mips_output_function_epilogue): Likewise. + (mips_need_noat_wrapper_p): New function, split out from... + (mips_final_prescan_insn, mips_final_postscan_insn): ...here. + Use mips_push_asm_switch and mips_pop_asm_switch. + * config/mips/mips.h (FUNCTION_PROFILER): Use mips_push_asm_switch + and mips_pop_asm_switch. + (ASM_OUTPUT_REG_POP): Likewise. + (DBR_OUTPUT_SEQEND): Remove boilerplate comment. + Use mips_pop_asm_switch. + (mips_asm_switch): New structure. + (set_noreorder, set_nomacro): Replace with... + (mips_noreorder, mips_nomacro, mips_noat): ...these new variables. + * config/mips/mips.md (fix_truncdfsi2_macro): Use mips_nomacro + instead of set_nomacro. + (fix_truncsfsi2_macro): Likewise. + (cprestore): Likewise. + (hazard): Use mips_noreorder instead of set_noreorder. + * config/mips/sdemtk.h (FUNCTION_PROFILER): As for mips.h. + +2009-08-16 Uros Bizjak <ubizjak@gmail.com> + + * config/alpha/alpha.c (alpha_end_function): Handle NULL_RTX returned + from prev_active_insn. + +2009-08-16 Anatoly Sokolov <aesok@post.ru> + + * config/avr/avr.h (AVR_HAVE_8BIT_SP): New macros. + * config/avr/avr.c (avr_override_options): Initialize + avr_current_arch variable. + (avr_cpu_cpp_builtins): Define __AVR_HAVE_8BIT_SP__ or + __AVR_HAVE_16BIT_SP__ according to the device type. + (expand_prologue, output_movhi): Use AVR_HAVE_8BIT_SP instead of + TARGET_TINY_STACK. + (expand_epilogue): Use correct QI mode frame pointer for tiny stack. + Use AVR_HAVE_8BIT_SP instead of TARGET_TINY_STACK. + +2009-08-16 Dodji Seketeli <dodji@redhat.com> + + PR debug/37801 + * gcc/dwarf2out.c (gen_inlined_subroutine_die): Concentrate on + generating inlined subroutine die only. We shouldn't be + called for anything else. + (gen_block_die): Don't generate inline subroutine debug info for + abstract blocks. + +2009-08-15 Sebastian Pop <sebastian.pop@amd.com> + + * graphite-poly.c (print_pbb): Print PBB index. + +2009-08-15 Sebastian Pop <sebastian.pop@amd.com> + + PR middle-end/40981 + * graphite-interchange.c (ppl_max_for_le): Moved... + * graphite-poly.c (pbb_number_of_iterations): Call ppl_max_for_le. + * graphite-ppl.c (ppl_max_for_le): ... here. Correct the use of + ppl_Pointset_Powerset_C_Polyhedron_maximize. + * graphite-ppl.h (ppl_max_for_le): Declared. + +2009-08-14 Olatunji Ruwase <tjruwase@google.com> + + * doc/extend.texi (Symbol-Renaming Pragmas): redefine_extname is + supported on all platforms. + * target.h (struct gcc_target): Remove handle_pragma_redefine_extname. + * c-cppbuiltin.c: Remove use of targetm.handle_pragma_redefine_extname. + * c-pragma.c: Likewise. + * target-def.h (TARGET_INITIALIZER): Remove + TARGET_HANDLE_PRAGMA_REDEFINE_EXTNAME. + * config/sol2.h: Remove use of TARGET_HANDLE_PRAGMA_REDEFINE_EXTNAME. + +2009-08-14 Douglas B Rupp <rupp@gnat.com> + + * config/ia64/fde-vms.c: New file. + * config/ia64/fde-glibc.c (_Unwind_FindTableEntry): Add dummy arg. + * config/ia64/unwind-ia64.c (UNW_ accessors): Move to unwind-ia64.h + (MD_UNW_COMPATIBLE_PERSONALITY_P): Provide default. + (uw_frame_state_for): Only register a personality routine if it is + known to be compatible with our expectations. + (_Unwind_FindEnclosingFunction, uw_frame_state_for): + Declare unw_table_entry stack variable and + mod all calls to _Unwind_FindTableEntry to add arg. + * config/ia64/unwind-ia64.h (UNW_ accessors): Move here. + (_Unwind_FindTableEntry): Add arg to prototype. + +2009-08-14 Eric Botcazou <ebotcazou@adacore.com> + + * config/ia64/unwind-ia64.c (struct _Unwind_Context): Add new + field 'signal_pfs_loc'. + (uw_frame_state_for): Remove duplicate code dealing with leaf + procedures without unwind info. + If in the frame after unwinding through a signal handler, restore + the AR.PFS register instead of the CFM if AR.PFS has not been saved. + * config/ia64/linux-unwind.h (ia64_fallback_frame_state): Do not set + 'pfs_loc' to the AR.PFS location in the signal context; instead + set 'signal_pfs_loc'. + Manually generate the unwind info for the AR.PFS register. + (ABI_MARKER_OLD_LINUX_SIGTRAMP, ABI_MARKER_OLD_LINUX_INTERRUPT, + ABI_MARKER_LINUX_SIGTRAMP, ABI_MARKER_LINUX_INTERRUPT): Define. + (ia64_handle_unwabi): Test 'fs->unwabi' against them. + Do not set 'pfs_loc' to the AR.PFS location in the signal context; + instead set 'signal_pfs_loc'. + Remove code preventing the AR.PFS register from being restored + from the signal context. + +2009-08-14 Douglas B Rupp <rupp@gnat.com> + Tristan Gingold <gingold@adacore.com> + + * config.gcc (ia64-hp-*vms*): Insert ia64/t-ia64 in tmake_file. + * config/ia64/t-vms: New file. + * config/ia64/vms64.h: New file. + * config/ia64/vms.h: New file. + * config/ia64/vms-crtinit.asm: New file. + * config/ia64/vms_symvec_libgcc_s.opt: New file. + * config/ia64/vms-unwind.h: New file. + +2009-08-14 Uros Bizjak <ubizjak@gmail.com> + + * config/alpha/alpha.c (alpha_emit_conditional_move): Handle + TFmode compares. + +2009-08-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + PR middle-end/30789 + * builtins.c (do_mpc_arg2): Make extern, define for any MPC version. + Move declaration... + * real.h (do_mpc_arg2): ... here. + * fold-const.c (const_binop): Use MPC for complex MULT_EXPR + and RDIV_EXPR. + +2009-08-14 Rafael Avila de Espindola <espindola@google.com> + + * final.c (add_debug_prefix_map): Don't use GC memory for + old_prefix and new_prefix. + +2009-08-14 Richard Guenther <rguenther@suse.de> + + * ipa-prop.c (compute_complex_pass_through): If we cannot + compute a non-varying offset for IPA_JF_ANCESTOR punt. + +2009-08-14 Ulrich Weigand <Ulrich.Weigand@de.ibm.com> + + * c-lex.c (c_lex_with_flags): Increase size of local variable + to avoid memory clobber. + +2009-08-14 Paolo Bonzini <bonzini@gnu.org> + + PR target/40934 + * config/i386/i386.c (ix86_fp_comparison_strategy): + Only enable/disable sahf at function granularity. + +2009-08-14 Hans-Peter Nilsson <hp@axis.com> + + PR rtl-optimization/41064 + * reload1.c (reload_as_needed): Don't call extract_insn + for known invalid replacements after calling + validate_replace_rtx_group and verify_changes. + +2009-08-14 Uros Bizjak <ubizjak@gmail.com> + + PR target/41019 + * config/i386/sse.md (SSEMODE124C8): New mode iterator. + (vcond<SSEMODEF2P:mode>): Assert that operation is supported by + ix86_expand_fp_vcond. + (vcond<SSEMODE124C8:mode>): Use SSEMODE124C8 instead of SSEMODE124. + Assert that operation is supported by ix86_expand_int_vcond. + (vcondu<SSEMODE124C8:mode>): Ditto. + +2009-08-13 DJ Delorie <dj@redhat.com> + + * config/i386/djgpp-stdint.h: New. + * config.gcc (djgpp): Use it. + +2009-08-13 Kaz Kojima <kkojima@gcc.gnu.org> + + * config/sh/sh.c (sh_override_options): When flag_exceptions or + flag_unwind_tables is on, turn flag_reorder_blocks_and_partition off. + +2009-08-13 Ghassan Shobaki <ghassan.shobaki@amd.com> + + * tree-ssa-loop-prefetch.c + (prune_ref_by_group_reuse): Enhance probabilistic analysis + for long-stride pruning. + (compute_miss_rate): New function to compute the probability + that two memory references access different cache lines. + +2009-08-13 Dave Korn <dave.korn.cygwin@gmail.com> + + * gcc/config/i386/cygwin.h (LINK_SPEC): Add --enable-auto-image-base. + +2009-08-13 Richard Guenther <rguenther@suse.de> + + PR middle-end/41047 + * tree-ssa-ccp.c (ccp_fold): When folding pointer additions + use the constant pointer type. + * gimplify.c (canonicalize_addr_expr): Canonicalize independent + of CV qualifiers on the target pointer type. + * tree-ssa.c (useless_type_conversion_p): Move incomplete pointer + conversion check before restrict check. + +2009-08-12 Kaz Kojima <kkojima@gcc.gnu.org> + + PR target/41029 + * config/sh/sh.md (reload_outdf__RnFRm+4): Fix thinko. + +2009-08-12 Kaz Kojima <kkojima@gcc.gnu.org> + + * config/sh/sh.c (sh_promote_function_mode): Add ATTRIBUTE_UNUSED. + +2009-08-12 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/41011 + * ipa-cp.c (ipcp_lattice_from_jfunc): Deal with failing fold + and reference constructing. + +2009-08-12 Xinliang David Li <davidxl@google.com> + + PR tree-optimization/41012 + * tree-flow.h : New external interface. + * gimple-low.c (check_call_arg): Change to public function. + Remove argument mismatch check in lowering. + * tree-inline.h (tree_can_inline_p): Interface change. + * tree-inline.c (tree_can_inline_p): Fold argument mismatch check + into this function. + * ipa-inline.c (cgraph_decide_inlining_of_small_functions): + Call change to tree_can_inline_p function. + (cgraph_decide_inlining_incrementally): Ditto. + +2009-08-12 Richard Sandiford <rdsandiford@googlemail.com> + + PR tree-optimization/41031 + * tree-outof-ssa.c (insert_value_copy_on_edge): Use promote_decl_mode + on the partition variable rather than promote_mode on the source + type. Assert that the partition variable's type has the same + mode as the source value's. + +2009-08-12 Paolo Bonzini <bonzini@gnu.org> + + * doc/tm.texi (TARGET_PROMOTE_FUNCTION_MODE): Add documentation + for for_return == 2. + * function.c (assign_parm_setup_reg): Use for_return == 2, improve + comments. + * calls.c (expand_call): Fix typo. + * explow.c (promote_decl_mode): Use for_return == 2 for RESULT_DECL + and PARM_DECL. + * stmt.c (expand_value_return): Use promote_function_mode to copy out + of pseudo. + * targhooks.c (default_promote_function_mode): Handle for_return == 2. + * config/cris/cris.c (cris_promote_function_mode): Likewise. + * config/mmix/mmix.c (mmix_promote_function_mode): Likewise. + * config/pa/pa.c (pa_promote_function_mode): Likewise. + +2009-08-12 Andrew Haley <aph@redhat.com> + + * config/arm/arm.c (arm_init_libfuncs): Add __sync_synchronize. + +2009-08-12 Sebastian Pop <sebastian.pop@amd.com> + + PR bootstrap/40103 + * graphite.c: Remove pragma GCC diagnostic warning "-Wc++-compat". + +2009-08-12 Richard Guenther <rguenther@suse.de> + + * alias.c (get_alias_set): Honor TYPE_STRUCTURAL_EQUALITY_P. + * gimplify.c (gimplify_modify_expr): Do not use + lang_hooks.types_compatible_p. + * tree-ssa.c (useless_type_conversion_p): For aggregates + just return false if the canonical types differ. + +2009-08-12 Sebastian Pop <sebastian.pop@amd.com> + + PR middle-end/40980 + * sese.c (convert_for_phi_arg): New. + (add_guard_exit_phis): Use convert_for_phi_arg. + +2009-08-12 Sebastian Pop <sebastian.pop@amd.com> + + * graphite-sese-to-poly.c (pdr_add_data_dimensions): Dont add + unknown subscript upper bounds. + +2009-08-12 Sebastian Pop <sebastian.pop@amd.com> + Pranav Garg <pranav.garg2107@gmail.com> + + * graphite-interchange.c (gather_access_strides): Removed. + (ppl_max_for_le): New. + (build_linearized_memory_access): New. + (memory_stride_in_loop): New. + (pbb_interchange_profitable_p): Reimplemented. + * graphite-ppl.h (ppl_new_id_map): New. + (ppl_interchange): New. + +2009-08-12 Sebastian Pop <sebastian.pop@amd.com> + + * graphite-interchange.c (compute_subscript): Removed. + (compute_array_size_cstr): Removed. + (compute_array_size_poly): Removed. + (compute_array_size): Removed. + (gather_access_strides_poly): Removed. + (gather_access_strides): Empty. + +2009-08-12 Sebastian Pop <sebastian.pop@amd.com> + + * graphite-dependences.c (dependence_polyhedron_1): Replace + pdr_nb_subscripts with PDR_NB_SUBSCRIPTS. + (graphite_legal_transform_dr): Same. + (graphite_carried_dependence_level_k): Same. + * graphite-poly.c (new_poly_dr): Add a parameter nb_subscripts. + Initialize PDR_NB_SUBSCRIPTS. + (print_pdr_access_layout): Replace pdr_nb_subscripts with + PDR_NB_SUBSCRIPTS. + * graphite-poly.h (struct poly_dr): Add nb_subscripts field. + (PDR_NB_SUBSCRIPTS): New. + (pdr_nb_subscripts): Removed. + (pdr_dim): Simplified. + * graphite-sese-to-poly.c (build_poly_dr): Replace pdr_nb_subscripts + with PDR_NB_SUBSCRIPTS. + +2009-08-12 Sebastian Pop <sebastian.pop@amd.com> + + * graphite-interchange.c (compute_array_size): Remove use of + PDR_DATA_CONTAINER. + * graphite-poly.c (new_poly_dr): Remove argument data_container. + Do not initialize PDR_DATA_CONTAINER. + (print_pdr): Do not print PDR_DATA_CONTAINER. + * graphite-poly.h (struct poly_dr): Remove data_container field. + (PDR_DATA_CONTAINER): Removed. + * graphite-sese-to-poly.c (pdr_add_data_dimensions): Remove use of + PDR_DATA_CONTAINER. + (build_poly_dr): Same. + +2009-08-12 Konrad Trifunovic <konrad.trifunovic@gmail.com> + Sebastian Pop <sebastian.pop@amd.com> + + * graphite-dependences.c (graphite_legal_transform_dr): Work on a + copy of the dependence polyhedron. Free the temporary objects. + (graphite_carried_dependence_level_k): Free unused objects before + returning. + +2009-08-12 Sebastian Pop <sebastian.pop@amd.com> + + * graphite-blocking.c (scop_do_strip_mine): Call store_scattering. + Early return without analyzing the data dependences if no + transform has been done. Call restore_scattering if the transform + is not legal. + (graphite-interchange.c): Same. + * graphite-poly.c (print_scattering_function): Test for + PBB_TRANSFORMED. + (graphite_read_transforms): Initialize PBB_TRANSFORMED. + (apply_poly_transforms): Do not gcc_assert that + the transform is legal. + (new_poly_bb): Initialize PBB_TRANSFORMED, PBB_SAVED and PBB_ORIGINAL. + Do not initialize PBB_NB_SCATTERING_TRANSFORM, PBB_NB_LOCAL_VARIABLES, + PBB_TRANSFORMED_SCATTERING, and PBB_ORIGINAL_SCATTERING. + (free_poly_dr): Free PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL. + * graphite-poly.h (struct poly_scattering): New. + (struct poly_bb): Add original, transformed, and saved fields. + Remove transformed_scattering, original_scattering, + nb_local_variables and nb_scattering_transform fields. + (PBB_ORIGINAL, PBB_TRANSFORMED, PBB_SAVED): New. + (poly_scattering_new): New. + (poly_scattering_free): New. + (poly_scattering_copy): New. + (store_scattering_pbb): New. + (store_scattering): New. + (restore_scattering_pbb): New. + (restore_scattering): New. + * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons): + Initialize PBB_TRANSFORMED and PBB_ORIGINAL. + +2009-08-12 Sebastian Pop <sebastian.pop@amd.com> + + * graphite-poly.c (print_pbb): Add parentheses in the pretty print. + (print_scop): Same. + +2009-08-12 Sebastian Pop <sebastian.pop@amd.com> + + * Makefile.in (graphite.o): Depends on PREDICT_H. + * graphite.c: Include predict.h. + (graphite_finalize): Call tree_estimate_probability. + * predict.c (predict_loops): Do not call scev_initialize and + scev_finalize. + (tree_estimate_probability_bb): New. + (tree_estimate_probability): Do not initialize loops: move that + code to the driver. Call tree_estimate_probability_bb. + (tree_estimate_probability_driver): New. + (pass_profile): Use tree_estimate_probability_driver. + * predict.h (tree_estimate_probability): Declared. + +2009-08-12 Sebastian Pop <sebastian.pop@amd.com> + + * graphite-clast-to-gimple.c (gloog): Add time to TV_GRAPHITE_CODE_GEN. + * graphite-dependences.c (graphite_legal_transform): Add time to + TV_GRAPHITE_DATA_DEPS. + (dependency_between_pbbs_p): Same. + * timevar.def (TV_GRAPHITE_DATA_DEPS, TV_GRAPHITE_CODE_GEN): New. + +2009-08-12 Andrey Belevantsev <abel@ispras.ru> + + PR rtl-optimization/41033 + * alias.c (nonoverlapping_component_refs_p): Punt when strict + aliasing is disabled. + +2009-08-11 Adam Nemet <anemet@caviumnetworks.com> + + * config/mips/predicates.md (qi_mask_operand, hi_mask_operand, + si_mask_operand, and_load_operand, low_bitmask_operand, + and_reg_operand, and_operand): New predicates. + * config/mips/constraints.md (Yb, Yh, Yw, Yz): New constraints. + * config/mips/mips.c (and_operands_ok): New function. + * config/mips/mips-protos.h (and_operands_ok): Declare it. + * config/mips/mips.md (move_type): Add ext_ins and logical. + (type): Handle them. + (and<mode>3): Use and_reg_operand as the second operand's predicate. + (*and<mode>3): Add alternatives for lbu, lhu, lwu, <d>ext and + shift_shift. Remove commutative constraint modifier. + (*and<mode>3_mips16): Add alternatives for lbu, lhu, lwu and + shift_shift. + (*clear_upper32_dext): Remove define_insn_and_split. + (*clear_upper32): Turn this define_insn_and_split ... + (splitter for ANDing register with 0xffff_ffff): .. into this. + +2009-08-11 Adam Nemet <anemet@caviumnetworks.com> + + * combine.c (try_widen_shift_mode): Factor out code to check if an + integer constant is a low-order bitmask from here ... + * rtlanal.c (low_bitmask_len): ... to here. + * rtl.h (low_bitmask_len): Declare. + +2009-08-11 Uros Bizjak <ubizjak@gmail.com> + + PR target/8603 + * config/alpha/alpha.md (addsi3): Remove expander. + (addsi3): Rename from *addsi3_internal insn pattern. + (subsi3): Remove expander. + (subsi3): Rename from *subsi3_internal insn pattern. + +2009-08-11 Douglas B Rupp <rupp@gnat.com> + + * config/alpha/alpha.c (alpha_init_builtins): Nullify FWRITE and + FWRITE_UNLOCKED. + +2009-08-11 Vasiliy Fofanov <fofanov@adacore.com> + Eric Botcazou <botcazou@adacore.com> + Douglas B Rupp <rupp@gnat.com> + + * config/alpha/alpha.c (alpha_return_in_memory): On VMS, ensure + that records that fit in 64 bits are returned by immediate value, + as required by OpenVMS Calling Standard. + (function_value): Adjust for above modification. + (alpha_va_start) <TARGET_ABI_OPEN_VMS>: Use + virtual_incoming_args_rtx as base object, not next_arg. + * config/alpha/vms.h (DEFAULT_PCC_STRUCT_RETURN): Define as 0. + +2009-08-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com> + + * reload.c (find_reloads_subreg_address): Check the original + req_equiv_mem address to detect the case where an address is + not valid in the outer mode. + +2009-08-11 Richard Guenther <rguenther@suse.de> + + PR bootstrap/40788 + * builtins.c (gimplify_va_arg_expr): Do not call SET_EXPR_LOCATION. + +2009-08-10 Douglas B Rupp <rupp@gnat.com> + + * config/alpha/vms.h (OPTIMIZATION_OPTIONS): Remove + (OVERRIDE_OPTIONS): Incorporate removed OPTIMIZATION_OPTIONS. + +2009-08-10 Olivier Hainque <hainqueu@adacore.com> + Douglas B Rupp <rupp@gnat.com> + + * config/alpha/alpha.c (alpha_sa_size): Force procedure type to + PT_STACK when frame_pointer_needed on OpenVMS. + (alpha_pv_save_size, alpha_using_fp): Remove. + (alpha_vms_can_eliminate): New function. Support for CAN_ELIMINATE + with proper processing for PT_NULL. + (alpha_vms_initial_elimination_offset): New function. Support for + INITIAL_ELIMINATION_OFFSET with proper processing for PT_NULL. + (alpha_sa_size): Force procedure type to PT_STACK when + frame_pointer_needed on OpenVMS. + * config/alpha/alpha-protos.h (alpha_pv_save_size): Remove prototype. + (alpha_using_fp): Likewise. + (alpha_vms_can_eliminate): Add prototype. + (alpha_vms_initial_elimination_offset): Likewise. + * config/alpha/vms.h (CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): + Call alpha_vms_can_eliminate and alpha_vms_initial_elimination_offset. + +2009-08-10 Eric Botcazou <botcazou@adacore.com> + Douglas B Rupp <rupp@gnat.com> + + * config/alpha/alpha.c (common_object_handler): New function. + (vms_attribute_table): Declare a single attribute "common_object". + (vms_output_aligned_decl_common): New global function. + (SECTION_VMS_OVERLAY): Delete. + (SECTION_VMS_GLOBAL): Likewise. + (SECTION_VMS_INITIALIZE): Likewise. + (vms_asm_named_section): Remove support for above flags. + (vms_section_type_flags): Delete. + (TARGET_SECTION_TYPE_FLAGS): Likewise. + * config/alpha/alpha-protos.h (vms_output_aligned_decl_common): New. + * config/alpha/vms.h (ASM_OUTPUT_ALIGNED_COMMON): Delete. + (ASM_OUTPUT_ALIGNED_DECL_COMMON): New macro. + +2009-08-10 SUGIOKA Toshinobu <sugioka@itonet.co.jp> + + PR target/41015 + * longlong.h [__sh__] (udiv_qrnnd): Add T register to clobber list. + (sub_ddmmss): Likewise. + +2009-08-10 Andreas Tobler <a.tobler@schweiz.org> + + PR bootstrap/41018 + * config/rs6000/freebsd.h: Define SVR4_ASM_SPEC. Adjust copyright + year. + +2009-08-10 Ulrich Weigand <Ulrich.Weigand@de.ibm.com> + + PR target/37053 + * reload1.c (reload_as_needed): Use cancel_changes to completely + undo a failed replacement attempt. + +2009-08-10 Richard Guenther <rguenther@suse.de> + + PR middle-end/41006 + * tree-ssa.c (useless_type_conversion_p_1): Fold into ... + (useless_type_conversion_p): ... here. Require pointer targets + to be compatible. + +2009-08-10 Dodji Seketeli <dodji@redhat.com> + + PR c++/40866 + * tree-inline.c (copy_statement_list): The resulting copy shouldn't + loose the original type of the statement list. + +2009-08-09 Douglas B Rupp <rupp@gnat.com> + + * config/alpha/alpha.c: Include libfuncs.h + (avms_asm_output_extern): New function. + (alpha_init_libfuncs): Init some decc libfuncs. + * config/alpha/alpha-protos.h (avms_asm_output_external): Declare. + * config/alpha/vms.h (ASM_OUTPUT_EXTERNAL): Define. + (DO_CRTL_NAMES): Define. + (LIB_SPEC): Remove. + * config/alpha/vms64.h (POINTERS_EXTEND_UNSIGNED): Remove undef. + (LONG_TYPE_SIZE): Define. + (TARGET_OS_CPP_BUILTINS): Define with __LONG_POINTERS=1 + (SUBTARGET_SWITCHES): Define malloc64 switch. + (TARGET_DEFAULT): Default MASK_MALLOC64 set. + (MASK_RETURN_ADDR): Define. + doc/invoke.texi (mmalloc64): Document switch. + +2009-08-09 Olivier Hainque <hainque@adacore.com> + Douglas B Rupp <rupp@gnat.com> + + * config/alpha/alpha.c (struct machine_function): New flag for VMS, + uses_condition_handler. + (alpha_expand_builtin_establish_vms_condition_handler): New expander. + (alpha_expand_builtin_revert_vms_condition_handler): New expander. + (enum alpha_builtin): New ALPHA_BUILTIN_REVERT_VMS_CONDITION_HANDLER + and ALPHA_BUILTIN_ESTABLISH_VMS_CONDITION_HANDLER values. + (code_for_builtin): New insn codes for the new alpha_builtins. + (alpha_init_builtins): Register the new functions as BUILT_IN_MD. + (alpha_sa_size): Account for uses_condition_handler. + (alpha_expand_prologue): Likewise. + (alpha_start_function): Likewise. + (alpha_expand_epilogue): Likewise. + * config/alpha/alpha-protos.h: Prototype the new alpha.c builtin + establish/revert expanders. + * config/alpha/alpha.h (DWARF_FRAME_REGNUM): Define. + * config/alpha/alpha.md (builtin_establish_vms_condition_handler): + New expander, resorting to the alpha.c associated function. + (builtin_revert_vms_condition_handler): Likewise. + * config/alpha/vms-gcc_shell_handler.c: New file. Implements + __gcc_shell_handler, the static VMS condition handler used as + an indirection wrapper to the current dynamically established + handler. + * config/alpha/vms-unwind.h: Complete rewrite. + * config/alpha/t-vms (LIB2FUNCS_EXTRA): Add vms-gcc_shell_handler.c + * config/alpha/vms.h (MD_UNWIND_SUPPORT): + +2009-08-09 Eric Botcazou <botcazou@adacore.com> + Douglas B Rupp <rupp@gnat.com> + + * config/alpha/alpha.c (alpha_links): Add 'target' field. + (alpha_need_linkage): Handle aliases. Return function symbol. + (alpha_use_linkage): Rename 'linkage' argument to 'func'. + Use ultimate alias target for the linkage name. + * config/alpha/alpha.md (movmemdi): Use the symbol returned + by alpha_need_linkage for the function symbol. + (setmemdi): Likewise. + +2009-08-09 Douglas B Rupp <rupp@gnat.com> + + * config/alpha/alpha.c (TARGET_ASM_UNALIGNED_*_OP): Define if on VMS. + * config/alpha/vms.h (OBJECT_FORMAT_ELF): Define. + (ASM_WEAKEN_LABEL): Define. + (CRT_CALL_STATIC_FUNCTION): Define. + (STARTFILE_SPEC): Add crtbegin.o crtbeginS.o. + (ENDFILE_SPEC): Define. + (INIT_SECTION_ASM_OP): Define. + * config/alpha/vms-dwarf2eh.asm (__EH_FRAME_BEGIN__): Remove. + * config/alpha/t-vms (EXTRA_PARTS): Add crtbegin.o crtbeginS.o + crtend.o crtendS.o. + (MULTILIB_OSDIRNAMES): Define. + (shlib_version): Define. + (SHLIB_EXT): Define. + (SHLIB_OBJS): Define. + (SHLIB_NAME): Define. + (SHLIB_MULTILIB): Define. + (SHLIB_INSTALL): Define. + (SHLIB_SYMVEC): Define. + (SHLIB_SYMVECX2): Define. + (SHLIB_LINK): Define. + +2009-08-09 Douglas B Rupp <rupp@gnat.com> + + * config/alpha/alpha.c (alpha_initialize_trampoline): + Initialize VMS trampoline IAW ABI for bounded procedure calls. + (alpha_start_function): Emit transfer address on nested functions + for VMS trampoline call. + * config/alpha/t-vms (LIB2FUNCS_EXTRA): Remove vms_tramp.asm + since no longer used. + * config/alpha/vms-tramp.asm: Remove. + * config/alpha/vms.h (TRAMPOLINE_TEMPLATE): Leave undefined + since now only data initialized at runtime. + +2009-08-09 Douglas B Rupp <rupp@gnat.com> + + * config/alpha/vms.h (HANDLE_SYSV_PRAGMA): Define. + (LINK_GCC_C_SEQUENCE_SPEC): Define. + (MD_EXEC_PREFIX): Remove, no longer used. + (MD_STARTFILE_PREFIX): Likewise. + (INCLUDE_DEFAULTS): Likewise. + * config/alpha/t-vms: + (vms-dwarf2.o, vms-dwarf2eh.o): Use GCC_FOR_TARGET to compile. + +2009-08-09 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/41016 + * tree-ssa-ifcombine.c (get_name_for_bit_test): Fix tuplification bug. + (operand_precision): Remove. + (integral_operand_p): Likewise. + (recognize_single_bit_test): Adjust. + +2009-08-09 Richard Sandiford <rdsandiford@googlemail.com> + + * c-common.c (c_fully_fold_internal): Issue a warning if a binary + operation overflows. Likewise non-cast unary arithmetic. + If one arm of a conditional expression is always taken, + inhibit evaluation warnings for the other arm. Likewise inhibit + evaluation warnings for the second && or || operand if the first + operand is enough to determine the result. + * c-typeck.c (build_conditional_expr): Apply the same inhibition + rules here. + (build_binary_op): Prevent duplicate evaluation warnings. + +2009-08-09 Richard Sandiford <rdsandiford@googlemail.com> + + * tree-out-of-ssa.c (insert_value_copy_on_edge): If the source + and destination have different modes, Use promote_mode to + determine the signedness of the conversion. Assert that the + promoted source mode matches the destination mode. Don't pass + the destination and destination mode to expand_expr if the source + mode is different. Simplify conversion logic. + +2009-08-09 Ira Rosen <irar@il.ibm.com> + + PR tree-optimization/41008 + * tree-vect-loop.c (vect_is_simple_reduction): Get operands + from condition only in case it's a comparison. Adjust checks. + +2009-08-09 Bernd Schmidt <bernd.schmidt@analog.com> + + * tree-dfa.c (renumber_gimple_stmt_uids_in_blocks): New function. + * tree-flow.h (renumber_gimple_stmt_uids_in_blocks): Declare it. + * tree-ssa-loop-ivopts.c (comp_cost): Make COST an integer. + (enum iv_position): Add IP_AFTER_USE and IP_BEFORE_USE. + (dump_cand): Handle them. + (struct iv_cand): New members COST_STEP and AINC_USE. + (stmt_after_increment): Likewise. + (stmt_after_inc_pos): Renamed from stmt_after_ip_original_pos. All + callers changed. Use gimple_uid comparison instead of scanning. + (add_candidate_1): When looking for identical candidates, take + AINC_USE into account. Set it for new candidates. + (force_expr_to_var_cost): Cast target_spill_cost to int. + (get_address_cost): New arguments STMT_AFTER_INC and MAY_AUTOINC. + All callers changed. Check for availability of autoinc addressing + modes, both in general for a given mode, and in the specific use case. + (get_computation_cost_at): New argument CAN_AUTOINC. All callers + changed. + (get_computation_cost): Likewise. + (autoinc_possible_for_pair, set_autoinc_for_original_candidates, + add_autoinc_candidates): New static functions. + (add_candidate): Call add_autoinc_candidates for candidates based on + a USE_ADDRESS use. + (find_iv_candidates): Call set_autoinc_for_original_candidates. + (determine_use_iv_cost_address): If we have an autoinc candidate at + the matching use, verify autoinc is possible and subtract the cost + of the candidate's step from the cost. + (determine_iv_cost): Record the cost of the increment in the COST_STEP + member of the candidate. + (tree_ssa_iv_optimize_loop): Swap the calls to determine_iv_costs and + determine_use_iv_costs. Call renumber_gimple_stmt_uids_in_blocks. + +2009-08-09 Douglas B Rupp <rupp@gnat.com> + + * config.build (ia64-hp-*vms*): New target. + (alpha64-dec-*vms*,alpha*-dec-*vms*): Fix for config/vms and unify + with ia64-hp-*vms*. + * config.gcc (ia64-hp-*vms*): New target. + (alpha64-dec-*vms*,alpha*-dec-*vms*): Fix for config/vms and unify + with ia64-hp-*vms*. + * config.host (ia64-hp-*vms*): New target. + (alpha64-dec-*vms*,alpha*-dec-*vms*): Fix for config/vms and unify + with ia64-hp-*vms*. + +2009-08-08 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/40991 + * tree-ssa-pre.c (eliminate): Delay purging EH edges. + +2009-08-08 Richard Sandiford <rdsandiford@googlemail.com> + + * combine.c (gen_lowpart_or_truncate): Exclude CONST_INTs from + mode check. Do truncations in an integer mode. + (force_to_mode): Handle subregs for all mode types. Only do + arithmetic simplifications on integer modes. + +2009-08-07 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/40999 + * tree-ssa-ccp.c (get_symbol_constant_value): Handle CONST_DECLs. + (maybe_fold_reference): Lookup constant initializers. + (fold_gimple_assign): Likewise. + +2009-08-07 Richard Guenther <rguenther@suse.de> + + * tree-ssa.c (useless_type_conversion_p_1): Only for types + that require structural equality defer to the langhook. + +2009-08-07 Martin Jambor <mjambor@suse.cz> + + * ipa-prop.h (enum jump_func_type): New value IPA_JF_ANCESTOR, changed + comments. + (struct ipa_pass_through_data): New type. + (struct ipa_ancestor_jf_data): New type. + (union jump_func_value): Removed field formal_id, added fields + pass_through and ancestor. + (struct ipa_param_call_note): Changed type of formal_id to int from + unsigned. + * ipa-prop.c (ipa_print_node_jump_functions): Print pass through with + operations jump functions and ancestor jump functions. + (compute_complex_pass_through): New function. + (compute_scalar_jump_functions): Call compute_complex_pass_through, + reflect changes in the jump function strucutre. + (update_jump_functions_after_inlining): Ignore complex pass-through + and ancestor jump functions. + * ipa-cp.c (ipcp_lattice_from_jfunc): Added support for ancestor and + polynomial pass-through with operation jump functions. + +2009-08-07 Jakub Jelinek <jakub@redhat.com> + + * dwarf2out.c (output_fde): When doing hot/cold partitioning, use + fde->dw_fde_begin as begin label instead of hot/cold label. + Use LLSDAC label instead of LLSDA for second section lsda. + (dwarf2out_do_cfi_startproc): Add SECOND argument. Use LLSDAC + label instead of LLSDA if it is true. + (dwarf2out_begin_prologue, dwarf2out_switch_text_section): Adjust + callers. + * except.c (add_call_site, dw2_size_of_call_site_table): Add + SECTION argument. Use it as index into crtl->eh.call_site_record + array. + (dw2_output_call_site_table): Likewise. Add CS_FORMAT argument, + use it to determine how to print table entries instead of using + #ifdef HAVE_AS_LEB128. For SECTION > 0 use hot resp. cold + label instead of normal begin label as base. + (sjlj_assign_call_site_values): Adjust add_call_site caller. + (convert_to_eh_region_ranges): When doing hot/cold partitioning, + ensure no EH range spans between sections and that landing pads + are always in the corresponding section. + (sjlj_size_of_call_site_table, sjlj_output_call_site_table): Adjust + for crtl->eh.call_site_record being an array rather than scalar. + (output_one_function_exception_table): New function, copied + from output_function_exception_table. Adjust + dw2_size_of_call_site_table, dw2_output_call_site_table + callers. For SECOND section use *C suffixed labels. + (output_function_exception_table): Call + output_one_function_exception_table and, when doing hot/cold + partitioning, also another time for the second section. + * opts.c: Include except.h. + (decode_options): Allow -freorder-blocks-and-partition with + exceptions, unless SJLJ or TARGET_UNWIND_INFO. + * Makefile.in (opts.o): Depend on $(EXCEPT_H). + * function.h (struct rtl_eh): Change call_site_record from + scalar into array of 2 elements. + +2009-08-07 Martin Jambor <mjambor@suse.cz> + + * ipa-prop.c (count_formal_params_1): New function. + (ipa_get_vector_of_formal_parms): New function. + (get_vector_of_formal_parm_types): New function. + (ipa_modify_formal_parameters): New function. + (ipa_modify_call_arguments): New function. + (index_in_adjustments_multiple_times_p): New function. + (ipa_combine_adjustments): New function. + (ipa_dump_param_adjustments): New function. + * ipa-prop.h (struct ipa_parm_adjustment): New type. + (ipa_get_vector_of_formal_parms): Declare. + (ipa_modify_formal_parameters): Declare. + (ipa_modify_call_arguments): Declare. + (ipa_combine_adjustments): Declare. + (ipa_dump_param_adjustments): Declare. + (build_ref_for_offset): Declare. + * Makefile.in (tree-sra.o): Add ipa-prop.h to dependencies. + * tree-sra.c: Include ipa-prop.c. + (build_ref_for_offset): Make public. + +2009-08-06 Neil Vachharajani <nvachhar@gmail.com> + + * value-prof.c (init_pid_map): Replace xmalloc with XCNEWVEC. + +2009-08-06 Thomas Schwinge <tschwinge@gnu.org> + + * gcc/doc/extend.texi (__builtin_extract_return_address) + (__builtin_frob_return_address): Document. + +2009-08-06 Paul Brook <paul@codesourcery.com> + + * config/arm/lib1funcs.asm (ARM_DIV_BODY): Add Thumb-2 implementation. + (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Only use Thumb-1 + implementation on ARMv6-M. + +2009-08-06 Richard Earnshaw <rearnsha@arm.com> + + * doc/extend.texi (pcs): Document new attribute for ARM. + +2009-08-06 Richard Earnshaw <rearnsha@arm.com> + + * arm.c (pcs_attribute_args): Comment out unsupported attribute + variants. + +2009-08-06 Richard Earnshaw <rearnsha@arm.com> + + * arm.c (arm_handle_pcs_attribute): Pass the entire name object to + warning (). + +2009-08-06 Richard Earnshaw <rearnsha@arm.com> + + * arm.c (arm_handle_pcs_attribute): Use %qE in warning. + +2009-08-06 Richard Earnshaw <rearnsha@arm.com> + + Merge ARM/hard_vfp_branch to trunk. + + 2009-08-04 Richard Earnshaw <rearnsha@arm.com> + + * arm.c (libcall_eq): New function. + (libcall_hash): New function. + (add_libcall): New function. + (arm_libcall_uses_aapcs_base): New function. + (arm_libcall_value): Use arm_libcall_uses_aapcs_base to check for + libcalls using the base PCS. + (arm_init_cumulative_args): Likewise. + + 2009-07-20 Joseph Myers <joseph@codesourcery.com> + + * config/arm/arm.c (arm_libcall_value, arm_init_cumulative_args): + Use base ABI for conversion libfuncs between HFmode and SFmode. + + 2009-05-12 Joseph Myers <joseph@codesourcery.com> + + * config/arm/arm.c (aapcs_vfp_sub_candidate): Use V2SImode and + V4SImode as representatives of all 64-bit and 128-bit vector + types. Allow vector types without vector modes. + (aapcs_vfp_is_call_or_return_candidate): Handle vector types + without vector modes like BLKmode. + (aapcs_vfp_allocate): Handle TImode for non-TARGET_NEON like + BLKmode. Avoid unsupported vector modes or TImode moves for + non-TARGET_NEON. + (aapcs_vfp_allocate_return_reg): Likewise. + (arm_vector_mode_supported_p): Only support V2SImode, V4HImode and + V8QImode if TARGET_NEON || TARGET_IWMMXT. + + 2009-05-12 Joseph Myers <joseph@codesourcery.com> + + * config/arm/arm.c (arm_handle_pcs_attribute): New. + (arm_get_pcs_model): Pass attribute arguments to + arm_pcs_from_attribute. + (arm_init_cumulative_args): Use base AAPCS for conversions from + floating-point types to DImode. + (arm_attribute_table): Add pcs attribute. + (arm_handle_pcs_attribute): New. + * config/arm/bpabi.h (DECLARE_LIBRARY_RENAMES): When renaming + conversions from floating-point types to DImode, also declare them + to use base AAPCS and declare functions they call to use base + AAPCS and their RTABI names. + + 2009-05-12 Joseph Myers <joseph@codesourcery.com> + + * doc/invoke.texi (-mfloat-abi=@var{name}): Remove statement about + -mfloat-abi=hard not being supported for VFP. + + 2009-05-11 Kazu Hirata <kazu@codesourcery.com> + + * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Pass a libcall + SYMBOL_REF to hard_libcall_value. + + 2009-03-05 Joseph Myers <joseph@codesourcery.com> + Richard Earnshaw <rearnsha@arm.com> + + * config/arm/arm.c (aapcs_layout_arg): Once a co-processor argument + has been put on the stack, all remaining co-processory arguments for + that co-processor also go on the stack. + + 2009-03-05 Joseph Myers <joseph@codesourcery.com> + + * config/arm/arm.c (arm_return_in_memory): Handle returning + vectors of suitable size in registers also for AAPCS case. + + 2009-01-13 Richard Earnshaw <rearnsha@arm.com> + + * doc/tm.texi (TARGET_LIBCALL_VALUE): Add missing end statement. + + 2008-12-09 Richard Earnshaw <rearnsha@arm.com> + + ARM Hard-VFP calling convention + * target-def.h (TARGET_LIBCALL_VALUE): New hook. + * target.h (gcc_target): Add libcall_value to table of call hooks. + * targhooks.h (default_libcall_value): Default implementation. + * targhooks.c (default_libcall_value): Likewise. + * doc/tm.texi (TARGET_LIBCALL_VALUE): Document it. + * optabs.c (expand_unop): Use it. + * expr.h (hard_libcall_value): Pass the function RTX through. + * calls.c (emit_library_call_value_1): Update call to + hard_libcall_value. + * explow.c (hard_libcall_value): Use new target hook. + * config/arm/arm.c: Include cgraph.h + (TARGET_FUNCTION_VALUE): Override default hook. + (arm_pcs_default): New variable. + (arm_override_options): Don't fault hard calling convention with VFP. + Add support for AAPCS variants. + (arm_function_value): Make static. Handle AAPCS variants. + (arm_libcall_value): New function. + (arm_apply_result_size): Handle VFP registers in results. + (arm_return_in_memory): Rework all AAPCS variants; handle hard-vfp + conventions. + (pcs_attribute_args): New variable. + (arm_pcs_from_attribute): New function. + (arm_get_pcs_model): New function. + (aapcs_vfp_cum_init): New function. + (aapcs_vfp_sub_candidate): New function. + (aapcs_vfp_is_return_candidate): New function. + (aapcs_vfp_is_call_candidate): New function. + (aapcs_vfp_allocate): New function. + (aapcs_vfp_allocate_return_reg): New function. + (aapcs_vfp_advance): New function. + (aapcs_cp_arg_layout): New variable. + (aapcs_select_call_coproc): New function. + (aapcs_select_return_coproc): New function. + (aapcs_allocate_return_reg): New function. + (aapcs_libcall_value): New function. + (aapcs_layout_arg): New function. + (arm_init_cumulative_args): Initialize AAPCS args data. + (arm_function_arg): Handle AAPCS variants using new interface. + (arm_arg_parital_bytes): Likewise. + (arm_function_arg_advance): New function. + (arm_function_ok_for_sibcall): Ensure that sibling calls agree on + calling conventions. + (arm_setup_incoming_varargs): Handle new AAPCS args data. + * arm.h (NUM_VFP_ARG_REGS): Define. + (LIBCALL_VALUE): Update. + (FUNCTION_VALUE): Delete. + (FUNCTION_VALUE_REGNO_P): Add VFP regs. + (arm_pcs): New enum. + (CUMULATIVE_ARGS): New data to support AAPCS argument marshalling. + (FUNCTION_ARG_ADVANCE): Call arm_function_arg_advance. + (FUNCTION_ARG_REGNO_P): Add VFP regs. + * arm-protos.h (arm_function_arg_advance): Add. + (aapcs_libcall_value): Add. + (arm_function_value): Delete. + +2009-08-06 Uros Bizjak <ubizjak@gmail.com> + H.J. Lu <hongjiu.lu@intel.com> + + PR target/40957 + * config/i386/i386.c (standard_sse_mode_p): Remove. + (standard_sse_constant_p): Return 2 for integer mode + vector_all_ones_operand when SSE2 is enabled. + (standard_sse_constant_opcode)<case 2>: Always return [v]pcmpeqd. + (ix86_expand_vector_move): Do not check for negative values from + standard_sse_constant_p. + +2009-08-06 Richard Guenther <rguenther@suse.de> + + * tree-ssa.c (useless_type_conversion_p_1): Make function and + array type comparisons frontend independent. + * Makefile.in (tree-ssa.o): Add $(TARGET_H) dependency. + * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Always fill + out array reference lower bound and element size operands. + (ao_ref_init_from_vn_reference): Properly compute the offset + for ARRAY_RANGE_REF. + (vn_reference_fold_indirect): Fill out array reference lower + bound and element size operands. + * tree-ssa-pre.c (phi_translate_1): Fail if we have to translate + a non gimple valued reference operand which can happen for + array reference lower bound or element size. + (create_component_ref_by_pieces_1): Properly generate the + element size operand for array references. + +2009-08-06 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/40964 + * tree.c (iterative_hash_host_wide_int): Export. + * tree.h (iterative_hash_host_wide_int): Declare. + * tree-ssa-structalias.c (heapvar_map): New struct. + (heapvar_map_eq): New function. + (heapvar_map_hash): Likewise. + (heapvar_lookup): Adjust. + (heapvar_insert): Likewise. + (make_constraint_from_heapvar): Allow multiple heap variables + per decl at different offsets. + (init_alias_heapvars): Adjust. + +2009-08-04 David Daney <ddaney@caviumnetworks.com> + + * config/mips/mips.h (TARGET_SYNC_AFTER_SC): New macro. + * mips_output_sync_loop (mips_output_sync_loop): Only emit + trailing sync if TARGET_SYNC_AFTER_SC. + +2009-08-05 David Daney <ddaney@caviumnetworks.com> + + * gcc/config/mips/sync.md (sync_compare_and_swap<mode>, + compare_and_swap_12, sync_add<mode>, sync_<optab>_12, + sync_old_<optab>_12, sync_new_<optab>_12, sync_nand_12, + sync_old_nand_12, sync_new_nand_12, sync_sub<mode>, + sync_old_add<mode>, sync_old_sub<mode>, sync_new_add<mode>, + sync_new_sub<mode>, sync_<optab><mode>, sync_old_<optab><mode>, + sync_new_<optab><mode>, sync_nand<mode>, sync_old_nand<mode>, + sync_new_nand<mode>, sync_lock_test_and_set<mode>, + test_and_set_12): Rewrite calls to mips_output_sync_loop. + * gcc/config/mips/mips-protos.h (mips_output_sync_loop): Make + the prototype declaration match the definition. + * gcc/config/mips/mips.c (mips_output_sync_loop): Emit sync + instructions explicitly. Add barrier_before and operands + parameters. + * gcc/config/mips/mips.h (MIPS_COMPARE_AND_SWAP, + MIPS_COMPARE_AND_SWAP_12, MIPS_SYNC_OP, MIPS_SYNC_OP_12, + MIPS_SYNC_OLD_OP_12, MIPS_SYNC_NEW_OP_12, MIPS_SYNC_OLD_OP, + MIPS_SYNC_NEW_OP, MIPS_SYNC_NAND, MIPS_SYNC_OLD_NAND, + MIPS_SYNC_NEW_NAND, MIPS_SYNC_EXCHANGE, + MIPS_SYNC_EXCHANGE_12): Remove sync instructions. + +2009-08-05 Andrew Pinski <pinskia@gmail.com> + + * tree-ssa-alias.c: Fix intervals to use [) syntax. + +2009-08-05 Uros Bizjak <ubizjak@gmail.com> + Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz> + + PR target/40906 + * config/i386/i386.c (ix86_split_long_move): Fix push of multi-part + source operand. + +2009-08-05 Jakub Jelinek <jakub@redhat.com> + + PR rtl-optimization/40924 + * dse.c (canon_address): Before calling cselib_expand_value_rtx + make sure canon_rtx (mem_address) isn't simpler than + canon_rtx (expanded_mem_address). + +2009-08-05 Li Feng <nemokingdom@gmail.com> + + * graphite-sese-to-poly.c (build_pbb_drs): Remove build alias set + for each poly_bb_p. + (build_scop_drs): Build alias set for each SCoP. + +2009-08-04 Sandra Loosemore <sandra@codesourcery.com> + + * doc/invoke.texi (MIPS Options): Document new 1004K -march options. + * config/mips/mips.c (mips_cpu_info_table): Add 1004K cores. + * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC): Add pattern for 1004K. + (MIPS_ARCH_FLOAT_SPEC): Likewise. + (BASE_DRIVER_SELF_SPECS): Likewise. + +2009-08-04 Andrew Pinski <pinskia@gmail.com> + + * tree-ssa-alias.c: Fix some comment typos. + +2009-08-04 Kaz Kojima <kkojima@gcc.gnu.org> + + * config/sh/linux-atomic.asm (ATOMIC_BOOL_COMPARE_AND_SWAP, + ATOMIC_OP_AND_FETCH, ATOMIC_COMBOP_AND_FETCH): Define. + +2009-08-03 Janis Johnson <janis187@us.ibm.com> + + PR c/39902 + * simplify-rtx.c (simplify_binary_operation_1): Disable + simplifications for decimal float operations. + +2009-08-03 Jakub Jelinek <jakub@redhat.com> + + PR middle-end/40943 + * tree-ssa.c (warn_uninitialized_var): Even on LHS warn for + operand of INDIRECT_REF. + +2009-08-03 Uros Bizjak <ubizjak@gmail.com> + + * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject CONST + constants referencing TLS symbols. + +2009-08-03 SUGIOKA Toshinobu <sugioka@itonet.co.jp> + + * config/sh/linux-atomic.asm (ATOMIC_COMPARE_AND_SWAP): Rename + __sync_compare_and_swap_* to __sync_val_compare_and_swap_*. + +2009-08-03 Richard Guenther <rguenther@suse.de> + + * tree.c (make_vector_type): Build a main variant first, + get the canonical one and then build the variant. + * tree-ssa.c (useless_type_conversion_p_1): Handle + fixed-point types. + (useless_type_conversion_p): Conversions to pointers to + incomplete record types are useless. + +2009-08-03 Richard Guenther <rguenther@suse.de> + + * tree-cfg.c (pass_warn_unused_result): Mark name that no dump + file will be created. + * omp-low.c (pass_diagnose_omp_blocks): Likewise. + * toplev.c (compile_file): Adjust comment. + +2009-08-03 Kaz Kojima <kkojima@gcc.gnu.org> + + * config/sh/sh-protos.h (sh_promote_function_mode): Remove. + * config/sh/sh.c (sh_promote_function_mode): Wrap long lines. + (TARGET_PROMOTE_FUNCTION_MODE): Define. + (TARGET_PROMOTE_FUNCTION_ARGS): Remove. + (sh_promote_function_mode): Fix typo. + +2009-08-03 Andreas Krebbel <krebbel1@de.ibm.com> + + * explow.c (promote_mode): Mark TYPE and PUNSIGNEDP as possibly unused. + +2009-08-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca> + + * pa.c (pa_promote_function_mode): Remove ATTRIBUTE_UNUSED from + declaration arguments. + +2009-08-02 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/i386.c (ix86_expand_fp_compare): Use const0_rtx instead + of GEN_INT (0x00) and const1_rtx instead of GEN_INT (0x01). + (ix86_split_ashl): Ditto. + (ix86_expand_vector_init_one_nonzero): Ditto. + (ix86_expand_vector_set): Ditto. + (ix86_expand_reduc_v4sf): Ditto. + +2009-08-02 Paolo Bonzini <bonzini@gnu.org> + + * explow.c (promote_function_mode): Remove assert. + * config/sh/sh.c (sh_promote_function_mode): Declare. + +2009-08-01 John David Anglin <dave.anglin@nrc-cnrc.gc.ca> + + * config/pa/pa.c (pa_promote_function_mode): Declare. + Change to static. Fix promote_mode call. + + * gthr-dce.h (CONST_CAST2): Define if not defined. + (__gthread_setspecific): Use CONST_CAST2 to fix warning. + + * config.gcc (hppa[12]*-*-hpux10*): Add stdint support. + +2009-08-01 Paolo Bonzini <bonzini@gnu.org> + + * expr.c (store_constructor): Use promote_decl_mode. Remove + now write-only variable unsignedp. + (expand_expr_real_1): Use promote_decl_mode. + * expr.h (promote_function_mode, promote_decl_mode): New. + (promote_mode): Remove last argument. + * function.c (assign_temp): Drop last argument of promote_mode. + (assign_parm_find_data_types): Use promote_function_mode. + (assign_parm_setup_reg): Likewise. + (expand_function_end): Use promote_function_mode. + * calls.c (initialize_argument_information): Use promote_function_mode. + (precompute_arguments): Use promote_mode instead of checking if + only PROMOTE_FUNCTION_MODE is defined. + (expand_call): When making sibcall decisions, use promote_function_mode. + Below, remove an if for targetm.calls.promote_function_return and + and use promote_function_mode. + (emit_library_call_value_1): Use promote_function_mode, fix bug + where promote_mode was passed FOR_CALL == 0 for a return value in an + assertion. + * cfgexpand.c (expand_one_register_var): Use promote_decl_mode. + * explow.c (promote_function_mode, promote_decl_mode): New. + (promote_mode): Keep only the FOR_CALL == 0 case. + * combine.c (setup_incoming_promotion): Remove test of + promote_function_args. Use promote_function_mode. + * stmt.c (expand_value_return): Use promote_decl_mode. + (expand_decl): Use promote_decl_mode. + + * expr.c (store_constructor): Use promote_decl_mode. Remove + now write-only variable unsignedp. + (expand_expr_real_1): Use promote_decl_mode. + * expr.h (promote_function_mode, promote_decl_mode): New. + (promote_mode): Remove last argument. + * function.c (assign_temp): Drop last argument of promote_mode. + (assign_parm_find_data_types): Use promote_function_mode. + (assign_parm_setup_reg): Likewise. + (expand_function_end): Use promote_function_mode. + * calls.c (initialize_argument_information): Use promote_function_mode. + (precompute_arguments): Use promote_mode instead of checking if + only PROMOTE_FUNCTION_MODE is defined. + (expand_call): When making sibcall decisions, use promote_function_mode. + Below, remove an if for targetm.calls.promote_function_return and + and use promote_function_mode. + (emit_library_call_value_1): Use promote_function_mode, fix bug + where promote_mode was passed FOR_CALL == 0 for a return value in an + assertion. + * cfgexpand.c (expand_one_register_var): Use promote_decl_mode. + * explow.c (promote_function_mode, promote_decl_mode): New. + (promote_mode): Keep only the FOR_CALL == 0 case. + * combine.c (setup_incoming_promotion): Remove test of + promote_function_args. Use promote_function_mode. + * stmt.c (expand_value_return): Use promote_decl_mode. + (expand_decl): Use promote_decl_mode. + + * explow.c (promote_function_mode): Just call the target hook. + * targhooks.c (default_promote_function_mode, + default_promote_function_mode_always_promote): New. + * targhooks.h (default_promote_function_mode, + default_promote_function_mode_always_promote): Declare. + * target.h (promote_function_args, promote_function_return): Remove. + (promote_function_mode): New. + * target-def.h (TARGET_PROMOTE_FUNCTION_ARGS, + TARGET_PROMOTE_FUNCTION_RETURN): Remove. + (TARGET_PROMOTE_FUNCTION_MODE): New. + (TARGET_CALLS): Adjust. + * system.h (TARGET_PROMOTE_FUNCTION_ARGS, + TARGET_PROMOTE_FUNCTION_RETURN, PROMOTE_FUNCTION_MODE): Poison. + + * config/s390/s390.h (PROMOTE_FUNCTION_MODE): Move... + * config/s390/s390.c (s390_promote_function_mode): ... here, + with pointer handling. + (TARGET_PROMOTE_FUNCTION_MODE): Define. + (TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN): Remove. + + * config/sparc/sparc.h (PROMOTE_FUNCTION_MODE): Move... + * config/sparc/sparc.c (sparc_promote_function_mode): ... here, + with pointer handling. + (TARGET_PROMOTE_FUNCTION_MODE): Define. + (TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN): Remove. + + * config/sh/sh-protos.h (sh_promote_function_mode): New. + * config/sh/sh.c (sh_promote_function_mode): New. + (TARGET_PROMOTE_FUNCTION_MODE): Define. + (TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN): Remove. + + * config/cris/cris.h (PROMOTE_FUNCTION_MODE): Move... + * config/cris/cris.c (cris_promote_function_mode): ... here. + (TARGET_PROMOTE_FUNCTION_MODE): Define. + (TARGET_PROMOTE_FUNCTION_ARGS): Remove. + + * config/mmix/mmix.h (PROMOTE_FUNCTION_MODE): Move... + * config/mmix/mmix.c (mmix_promote_function_mode): ... here. + (TARGET_PROMOTE_FUNCTION_MODE): Define. + (TARGET_PROMOTE_FUNCTION_ARGS): Remove. + + * config/arm/arm.h (PROMOTE_FUNCTION_MODE): Move... + * config/arm/arm.c (arm_promote_function_mode): ... here, without + complex type handling. + (TARGET_PROMOTE_FUNCTION_MODE): Define. + (TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN): Remove. + + * config/pa/pa.c (pa_promote_function_mode): New. + (TARGET_PROMOTE_FUNCTION_MODE): Define. + (TARGET_PROMOTE_FUNCTION_RETURN): Remove. + + * config/alpha/alpha.c (TARGET_PROMOTE_FUNCTION_ARGS, + TARGET_PROMOTE_FUNCTION_RETURN): Remove. + (TARGET_PROMOTE_FUNCTION_MODE): Define equivalently. + * config/xtensa/xtensa.c: Likewise. + * config/stormy16/stormy16.c: Likewise. + * config/iq2000/iq2000.c: Likewise. + * config/rs6000/rs6000.c: Likewise. + * config/picochip/picochip.c: Likewise. + * config/arc/arc.c: Likewise. + * config/mcore/mcore.c: Likewise. + * config/score/score.c: Likewise. + * config/mips/mips.c: Likewise. + * config/bfin/bfin.c: Likewise. + * config/ia64/ia64.c: Likewise (disabled though). + + * config/frv/frv.h: Remove pointless remark. + + * doc/tm.texi (PROMOTE_FUNCTION_MODE, + TARGET_PROMOTE_FUNCTION_ARGS, + TARGET_PROMOTE_FUNCTION_RETURN): Consolidate into... + (TARGET_PROMOTE_FUNCTION_MODE): ... this. + +2009-08-01 Sebastian Pop <sebastian.pop@amd.com> + + * doc/invoke.texi (-fgraphite-force-parallel): Renamed + -floop-parallelize-all. + * toplev.c (process_options): Rename flag_graphite_force_parallel to + flag_loop_parallelize_all. + * tree-ssa-loop.c (gate_graphite_transforms): Same. + * graphite.c (graphite_transform_loops): Same. + * common.opt: Same. + * graphite-poly.c (apply_poly_transforms): Same. + +2009-07-31 Richard Earnshaw <rearnsha@arm.com> + + PR tree-optimization/40914 + * ipa-prop.c (ipa_get_ptr_load_param): New argument use_delta, + if set, then check the delta field of the PMF record. + (ipa_get_stmt_member_ptr_load_param): Propagate new param use_delta. + (ipa_analyze_call_uses): Handle machines where the vbit for a PMF + call is stored in the delta. + +2009-07-31 Adam Nemet <anemet@caviumnetworks.com> + + * config/mips/mips.md (*clear_upper32_dext): New pattern. + +2009-07-31 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/bsd.h (ASM_BYTE): New define. + * config/i386/darwin.h (ASM_BYTE): Rename from ASM_BYTE_OP. + * config/i386/att.h (ASM_BYTE): New define. Use ASM_BYTE instead of + .byte. Use fputs or putc instead of fprintf where appropriate. + * config/i386/i386-interix.h: Use ASM_BYTE instead of .byte. Use + fputs or putc instead of fprintf where appropriate. + * config/i386/i386elf.h: Ditto. + * config/i386/sysv4.h: Ditto. + + * config/i386/i386.c (TARGET_ASM_BYTE_OP): New define. + * config/i386/i386.md (x86_sahf_1): Use ASM_BYTE instead of .byte. + (*tls_global_dynamic_64): Ditto. + +2009-07-31 Christian Bruel <christian.bruel@st.com> + + * gcc/config.gcc (sh*-*-elf): test with_libgloss. + +2009-07-31 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com> + + * config/arm/arm.c (arm_arm_address_cost): Fix typo. + Remove dead code for MINUS. + +2009-07-31 Anthony Green <green@moxielogic.com> + + * config/moxie/moxie.c (moxie_expand_prologue): Use $r5 instead of + $r12 in prologue. + (moxie_expand_epilogue): Ditto for epilogue. + (moxie_setup_incoming_varargs): ABI change. Use 5 registers for + incoming arguments. + (moxie_function_arg): Ditto. + (moxie_pass_by_reference): Ditto. + (moxie_arg_partial_bytes): Ditto. + * config/moxie/moxie.h (CALL_USED_REGISTERS): Ditto. + (FUNCTION_ARG_ADVANCE) Ditto. + (REG_PARM_STACK_SPACE) Ditto. + (FUNCTION_ARG_REGNO_P) Dito. + + * config.gcc: Add moxie linux config support. + * gcc/config/moxie/uclinux.h: New file. + +2009-07-31 DJ Delorie <dj@redhat.com> + + * config/sh/sh.md (UNSPECV_SP_SWITCH_B): New. + (UNSPECV_SP_SWITCH_E): New. + (sp_switch_1): Change to an unspec. + (sp_switch_2): Change to an unspec. Don't use post-inc when we + replace $r15. + * config/sh/sh.c (sh_expand_prologue): Use the constant pool to + reference the new stack's address + +2009-07-30 Sebastian Pop <sebastian.pop@amd.com> + + * Makefile.in (OBJS-common): Added dependence on graphite-blocking.o, + graphite-clast-to-gimple.o, graphite-dependences.o, + graphite-interchange.o, graphite-poly.o, graphite-ppl.o, + graphite-scop-detection.o, graphite-sese-to-poly.o, and sese.o. + (graphite-blocking.o, + graphite-clast-to-gimple.o, graphite-dependences.o, + graphite-interchange.o, graphite-poly.o, graphite-ppl.o, + graphite-scop-detection.o, graphite-sese-to-poly.o, and sese.o): New. + * cfgloop.c (alloc_loop): Set loop->can_be_parallel to false. + * cfgloop.h (struct loop): Add can_be_parallel field. + * common.opt (fgraphite-identity): Moved up. + (fgraphite-force-parallel): New flag. + * graphite.c: Rewrite. + * graphite.h: Rewrite. + * passes.c (init_optimization_passes): Schedule a pass of DCE and LIM + after Graphite. + * toplev.c (graphite_out_file): New file descriptor. + (graphite_in_file): New. + (process_options): flag_graphite_force_parallel cannot be used without + Graphite. + * tree-ssa-loop.c: Include toplev.h. + (gate_graphite_transforms): Enable flag_graphite for + flag_graphite_force_parallel. + +2009-07-30 Sebastian Pop <sebastian.pop@amd.com> + + * ChangeLog.graphite: New. + * graphite-blocking.c: New. + * graphite-clast-to-gimple.c: New. + * graphite-clast-to-gimple.h: New. + * graphite-dependences.c: New. + * graphite-dependences.h: New. + * graphite-interchange.c: New. + * graphite-poly.c: New. + * graphite-poly.h: New. + * graphite-ppl.c: New. + * graphite-ppl.h: New. + * graphite-scop-detection.c: New. + * graphite-scop-detection.h: New. + * graphite-sese-to-poly.c: New. + * graphite-sese-to-poly.h: New. + * sese.c: New. + * sese.h: New. + +2009-07-30 Sebastian Pop <sebastian.pop@amd.com> + + * tree-chrec.c (evolution_function_right_is_integer_cst): New. + * tree-chrec.h (evolution_function_right_is_integer_cst): Declared. + +2009-07-30 Sebastian Pop <sebastian.pop@amd.com> + + * tree-chrec.c (operator_is_linear): Handle BIT_NOT_EXPR. + (scev_is_linear_expression): Return false if the evolution is not + affine multivariate. + +2009-07-30 Sebastian Pop <sebastian.pop@amd.com> + + * tree-data-ref.c (graphite_find_data_references_in_stmt): New. + * tree-data-ref.h (graphite_find_data_references_in_stmt): Declared. + +2009-07-30 Sebastian Pop <sebastian.pop@amd.com> + + * tree-data-ref.c (debug_data_references): New. + (debug_data_reference): New. + * tree-data-ref.h (debug_data_references): Declared. + (debug_data_reference): Declared. + +2009-07-30 Sebastian Pop <sebastian.pop@amd.com> + + * tree-data-ref.c (stmt_simple_memref_p: Removed. + * tree-data-ref.h (scop_p): Removed. + (struct data_reference): Remove field scop. + (DR_SCOP): Removed. + (stmt_simple_memref_p): Removed. + +2009-07-30 Sebastian Pop <sebastian.pop@amd.com> + + * cfgloop.h (create_empty_loop_on_edge): Pass an extra argument. + * cfgloopmanip.c (create_empty_loop_on_edge): Leave the loop_latch + basic block empty. + +2009-07-30 Sebastian Pop <sebastian.pop@amd.com> + + * doc/invoke.texi (-fgraphite-force-parallel): Documented. + +2009-07-30 Sebastian Pop <sebastian.pop@amd.com> + + * doc/invoke.texi (-fgraphite-identity): Documented. + +2009-07-30 Sebastian Pop <sebastian.pop@amd.com> + + * tree-scalar-evolution.c: Fix comment. + (instantiate_scev_1): Return unknow from scev instantiation if the + result is not above instantiate_below. + +2009-07-30 Sebastian Pop <sebastian.pop@amd.com> + + * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop): Not + static anymore. Instantiate the symbols that may have been introduced + by chrec_apply. + * tree-scalar-evolution.h (compute_overall_effect_of_inner_loop): + Declared. + +2009-07-30 DJ Delorie <dj@redhat.com> + + * config/mep/mep.c (mep_asm_init_sections): Add section flags and + .vliw directive to VLIW sections. + +2009-07-30 Ralf Wildenhues <Ralf.Wildenhues@gmx.de> + + * Makefile.in (AUTOCONF, ACLOCAL, ACLOCAL_AMFLAGS, aclocal_deps): + New variables. + ($(srcdir)/configure, $(srcdir)/aclocal.m4): New rules. + (AUTOHEADER): New variable. + ($(srcdir)/cstamp-h.in): Use it. + +2009-07-30 Michael Meissner <meissner@linux.vnet.ibm.com> + Pat Haugen <pthaugen@us.ibm.com> + Revital Eres <ERES@il.ibm.com> + + * config/rs6000/vector.md (VEC_F): Add VSX support. + (VEC_A): Ditto. + (VEC_N): Ditto. + (mov<mode>): Ditto. + (vector_load_<mode>): Ditto. + (vector_store_<mode>): Ditto. + (vector GPR move split): Ditto. + (vec_reload_and_plus_<mptrsize>): Ditto. + (vec_reload_and_reg_<mptrsize>): Ditto. + (add<mode>3): Ditto. + (sub<mode>3): Ditto. + (mul<mode>3): Ditto. + (neg<mode>2): Ditto. + (abs<mode>2): Ditto. + (smin<mode>3): Ditto. + (smax<mode>3): Ditto. + (vector_eq<mode>): Ditto. + (vector_gt<mode>): Ditto. + (vector_ge<mode>): Ditto. + (vector_gtu<mode>): Ditto. + (vector_select_<mode>_uns): Ditto. + (vector_eq_<mode>_p): Ditto. + (vector_gt_<mode>_p): Ditto. + (vector_ge_<mode>_p): Ditto. + (vector_gtu_<mode>_p): Ditto. + (cr6_test_for_zero): Ditto. + (cr6_test_for_zero_reverse): Ditto. + (cr6_test_for_lt): Ditto. + (cr6_test_for_lt_reverse): Ditto. + (xor<mode>3): Ditto. + (ior<mode>3): Ditto. + (and<mode>3): Ditto. + (one_cmpl<mode>2): Ditto. + (nor<mode>2): Ditto. + (andc<mode>2): Ditto. + (float<VEC_int<mode>2): Ditto. + (unsigned_float<VEC_int><mode>2): Ditto. + (fix_trunc<mode><VEC_int>2): Ditto. + (fixuns_trunc<mode><VEC_int>2): Ditto. + (vec_init<mode>): + (vec_set<mode>): Ditto. + (vec_extract<mode>): Ditto. + (vec_interleave_highv4sf): Ditto. + (vec_interleave_lowv4sf): Ditto. + (vec_realign_load_<mode>): Ditto. + (vec_shl_<mode>): Ditto. + (vec_shr_<mode>): Ditto. + (div<mode>3): New patterns for VSX. + (vec_interleave_highv2df): Ditto. + (vec_interleave_lowv2df): Ditto. + (vec_pack_trunc_v2df): Ditto. + (vec_pack_sfix_trunc_v2df): Ditto. + (vec_pack_ufix_trunc_v2df): Ditto. + (vec_unpacks_hi_v4sf): Ditto. + (vec_unpacks_lo_v4sf): Ditto. + (vec_unpacks_float_hi_v4si): Ditto. + (vec_unpacks_float_lo_v4si): Ditto. + (vec_unpacku_float_hi_v4si): Ditto. + (vec_unpacku_float_lo_v4si): Ditto. + (movmisalign<mode>): Ditto. + (vector_ceil<mode>2): New patterns for vectorizing math library. + (vector_floor<mode>2): Ditto. + (vector_btrunc<mode>2): Ditto. + (vector_copysign<mode>3): Ditto. + + * config/rs6000/predicates.md (easy_vector_constant_msb): New + predicate for setting the high bit in each word, used for copysign. + + * config/rs6000/ppc-asm.h (f19): Whitespace. + (f32-f63): Define if VSX. + (v0-v31): Define if Altivec. + (vs0-vs63): Define if VSX. + + * config/rs6000/t-rs6000 (MD_INCLUDES): Add power7.md and vsx.md. + + * config/rs6000/power7.md: New file, provide tuning parameters for + -mcpu=power7. + + * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): Add VSX support. + (rs6000_cpu_cpp_builtins): Ditto. + (altivec_overloaded_builtins): Ditto. + (altivec_resolve_overloaded_builtin): Ditto. + + * config/rs6000/rs6000.opt (-mno-vectorize-builtins): Add new + debug switch to disable vectorizing simple math builtin + functions. + + * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function): + Vectorize simple math builtin functions. + (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Define target + hook to vectorize math builtins. + (rs6000_override_options): Enable -mvsx on -mcpu=power7. + (rs6000_builtin_conversion): Add VSX/power7 support. + (rs6000_builtin_vec_perm): Ditto. + (vsplits_constant): Add support for loading up a vector constant + with just the high bit set in each part. + (rs6000_expand_vector_init): Add VSX/power7 support. + (rs6000_expand_vector_set): Ditto. + (rs6000_expand_vector_extract): Ditto. + (rs6000_emit_move): Ditto. + (bdesc_3arg): Ditto. + (bdesc_2arg): Ditto. + (bdesc_1arg): Ditto. + (rs6000_expand_ternop_builtin): Ditto. + (altivec_expand_builtin): Ditto. + (rs6000_expand_unop_builtin): Ditto. + (rs6000_init_builtins): Ditto. + (altivec_init_builtins): Ditto. + (builtin_function_type): Ditto. + (rs6000_common_init_builtins): Ditto. + (rs6000_handle_altivec_attribute); Ditto. + (rs6000_mangle_type): Ditto. + (rs6000_vector_mode_supported_p): Ditto. + (rs6000_mode_dependent_address): Altivec addresses with AND -16 + are mode dependent. + + * config/rs6000/vsx.md: New file for VSX support. + + * config/rs6000/rs6000.h (EASY_VECTOR_MSB): New macro for + identifing values with just the most significant bit set. + (enum rs6000_builtins): Add builtins for VSX. Add simple math + vectorized builtins. + + * config/rs6000/altivec.md (UNSPEC_VRFIP): Delete. + (UNSPEC_VRFIM): Delete. + (splitter for loading up vector with most significant bit): New + splitter for vectorizing copysign. + (altivec_vrfiz): Rename from altivec_fturncv4sf2. Add support for + vectorizing simple math functions. + (altivec_vrfip): Add support for vectorizing simple math functions. + (altivec_vrfim): Ditto. + (altivec_copysign_v4sf3): New insn for Altivec copysign support. + + * config/rs6000/rs6000.md (UNSPEC_BPERM): New constant. + (power7.md, vsx.md): Include for power7 support. + (copysigndf3): Use VSX instructions if -mvsx. + (negdf2_fpr): Ditto. + (absdf2_fpr): Ditto. + (nabsdf2_fpr): Ditto. + (adddf3_fpr): Ditto. + (subdf3_fpr): Ditto. + (muldf3_fpr): Ditto. + (divdf3_fpr): Ditto. + (fix_truncdfdi2_fpr): Ditto. + (cmpdf_internal1): Ditto. + (fred, fred_fpr): Convert into expander/insn to add VSX support. + (btruncdf2, btruncdf2_fpr): Ditto. + (ceildf2, ceildf2_fpr): Ditto. + (floordf2, floordf2_fpr): Ditto. + (floatdidf2, floatdidf2_fpr): Ditto. + (fmadddf4_fpr): Name insn. Use VSX instructions if -mvsx. + (fmsubdf4_fpr): Ditto. + (fnmadddf4_fpr_1): Ditto. + (fnmadddf4_fpr_2): Ditto. + (fnmsubdf4_fpr_1): Ditto. + (fnmsubdf4_fpr_2): Ditto. + (fixuns_truncdfdi2): Add expander for VSX support. + (fix_truncdfdi2): Ditto. + (fix_truncdfsi2): Ditto. + (ftruncdf2): Ditto. + (btruncsf2): Whitespace. + (movdf_hardfloat32): Add support for VSX registers. + (movdf_softfloat32): Ditto. + (movdf_hardfloat64): Ditto. + (movdf_hardfloat64_mfpgpr): Ditto. + (movdf_softfloat64): Ditto. + (movti splitters): Add check for vector registers supporting + TImode in the future. + (bpermd): Add power7 bpermd instruction. + + * config/rs6000/altivec.h (vec_div): Define if VSX. + (vec_mul): Ditto. + (vec_msub): Ditto. + (vec_nmadd): Ditto. + (vec_nearbyint): Ditto. + (vec_rint): Ditto. + (vec_sqrt): Ditto. + (all predicates): Use the generic builtin function, and not the V4SF + specific function so that the predicates will work with VSX's V2DF. + (vec_all_*): Ditto. + (vec_any_*): Ditto. + + * doc/extend.texi (PowerPC Altivec/VSX Built-in Functions): + Document new VSX functions and types. + + * doc/invoke.texi (PowerPc options): Document -mpopcntd, -mvsx + switches. + + * doc/md.texi (PowerPC constraints): Document "wd", "wf", "ws", + "wa", and "j" constraints. Modify "v" to talk about Altivec + instead of just vector. + +2009-07-30 Andrew MacLeod <amacleod@redhat.com> + + PR debug/26475 + * tree-into-ssa.c (insert_phi_nodes_for, rewrite_add_phi_arguments): Set + location for phi arguments. + (rewrite_update_phi_arguments): Find locations for reaching defs. + * tree-ssa-threadupdate.c (create_edge_and_update_destination_phis): + Add location to add_phi_arg calls. + * tree-loop-districbution.c (update_phis_for_loop_copy): Add locations. + * tree-ssa-loop-manip.c (create_iv, add_exit_phis_edge, + split_loop_exit_edge, tree_transform_and_unroll_loop): Add locations. + * tree-tailcall.c (add_successor_phi_arg, eliminate_tail_call, + create_tailcall_accumulator, tree_optimize_tail_calls_1): Add locations. + * tree.h (struct phi_arg_d): Add location_t to PHI arguments. + * tree-phinodes.c (make_phi_node): Initialize location. + (resize_phi_node): Initialize location to UNKNOWN_LOCATION. + (add_phi_arg): Add location parameter. + (remove_phi_arg_num): Move location when moving phi argument. + * omp-low.c (expand_parallel_call, expand_omp_for_static_chunk): Set + location. + * tree-vect-loop-manip.c (slpeel_update_phis_for_duplicate_loop, + slpeel_update_phi_nodes_for_guard1, + slpeel_update_phi_nodes_for_guard2, + slpeel_tree_duplicate_loop_to_edge_cfg, set_prologue_iterations, + vect_loop_versioning): Set locations. + * tree-parloops.c (create_phi_for_local_result, + transform_to_exit_first_loop, create_parallel_loop): Add locations. + * gimple-pretty-print.c (dump_gimple_phi): Dump lineno's if present. + * tree-vect-loop.c (get_initial_def_for_induction, + vect_create_epilog_for_reduction, vect_finalize_reduction): Add + locations. + * tree-flow-inline.h (gimple_phi_arg_location): New. Return locus. + (gimple_phi_arg_location_from_edge): New. Return locus from an edge. + (gimple_phi_arg_set_location): New. Set locus. + (gimple_phi_arg_has_location): New. Check for locus. + (redirect_edge_var_map_location): New. Return locus from var_map. + * tree-vect-data-refs.c (vect_setup_realignment): Set location. + * tree-ssa-phiopt.c (conditional_replacement): Set locus when + combining PHI arguments. + (cond_store_replacement): Set location. + * cfgexpand.c (gimple_assign_rhs_to_tree): Transfer locus if possible. + * grpahite.c (add_loop_exit_phis, add_guard_exit_phis, + scop_add_exit_phis_edge): Add locations. + * tree-cfgcleanup.c (remove_forwarder_block, + remove_forwarder_block_with_phi): Add locations. + * tree-ssa-pre.c (insert_into_preds_of_block): Add locations. + * tree-predcom.c (initialize_root_vars, initialize_root_vars_lm): Add + locations. + * tree-ssa-dce.c (forward_edge_to_pdom): Add locations. + * tree-ssa.c (redirect_edge_var_map_add, ssa_redirect_edge, + flush_pending_stmts): Add source location. + * lambda-code.c (perfect_nestify): Maintain location stack with argument + stack to preserve locations. + * tree-vect-stmts.c (vectorizable_load): Add location. + * tree-inline.c (copy_phis_for_bb): Copy locus. + (setup_one_parameter): Add call locus to inlined parameter stmts. + (initialize_inlined_parameters): Pass in call location as parameter + assignment locus. + (tree_function_versioning): Pass location to setup_one_parameter. + * tree-ssa-phiprop.c (phiprop_insert_phi): Set locations. + * tree-outof-ssa.c (struct _elim_graph): Add source_location vecs for + copy and edge lists. + (insert_partition_copy_on_edge, insert_value_copy_on_edge, + insert_rtx_to_part_on_edge, insert_part_to_rtx_on_edge): Provide a + locus parameter and override the stmt default if provided. + (new_elim_graph, clear_elim_graph, delete_elim_graph, + elim_graph_add_edge, elim_graph_remove_succ_edge, + FOR_EACH_ELIM_GRAPH_SUCC, FOR_EACH_ELIM_GRAPH_PRED, eliminate_build, + elim_forward, elim_unvisited_predecessor, elim_backward, elim_create, + eliminate_phi): Add locus info in elimination graph for each edge and + value copy. + (insert_backedge_copies): Copy locus if present. + * tree-flow.h (struct _edge_var_map): Add locus field. + * tree-switch_conversions.c (fix_phi_nodes): Add locations. + * tree-cfg.c (reinstall_phi_args, gimple_make_forwarder_block, + add_phi_args_after_copy_edge, gimple_lv_adjust_loop_header_phi): Add + locations. + * ipa-struct-reorg.c (make_edge_and_fix_phis_of_dest): Add locations. + +2009-07-30 Martin Jambor <mjambor@suse.cz> + + PR tree-optimization/40570 + * ipa-inline.c (cgraph_decide_inlining): Watch out for dead single + use inlining loops. + +2009-07-30 Razya Ladelsky <razya@il.ibm.com> + + * ssa-loop-manip.c: Include langhooks.h. + (rewrite_phi_with_iv): New. + (rewrite_all_phi_nodes_with_iv): New. + (canonicalize_loop_ivs): Move here from tree-parloops.c. + Remove reduction_list argument. Use rewrite_all_phi_nodes_with_iv. + * tree-parloops.c (loop_parallel_p): Move out all conditions + except dependency check. + (canonicalize_loop_ivs): Move to tree-ssa-loop-manip.c. + (gen_parallel_loop): Call canonicalize_loop_ivs without + reduction_list argument. + (build_new_reduction): New. + (gather_scalar_reductions): New. + (try_get_loop_niter): New. + (try_create_reduction_list): New. + (parallleize_loops): Change the parallel conditions check. + * tree-flow.h (canonicalize_loop_ivs): Remove one argument. + * Makefile.in (tree-ssa-loop-manip.o): Add langhooks.h dependency. + +2009-07-30 Dave Korn <dave.korn.cygwin@gmail.com> + + * opt-functions.awk (opt_args): Allow argument to be enclosed in + curly braces. + * doc/options.texi (Option properties): Mention new quoting syntax. + +2009-07-29 Douglas B Rupp <rupp@gnat.com> + + * config/alpha/alpha.c (alpha_start_function): + Handle VMS_DEBUG_MAIN_POINTER + * config/alpha/vms.h (VMS_DEBUG_MAIN_POINTER): Define new macro. + * doc/invoke.texi: Document -mdebug-main switch. + +2009-07-29 Richard Henderson <rth@redhat.com> + + * cgraph.c (cgraph_set_call_stmt_including_clones): Tidy. + (cgraph_create_edge_including_clones): Likewise. + * tree-inline.c (copy_bb): Operate on the correct edges + when updating the callgraph. + +2009-07-29 Douglas B Rupp <rupp@gnat.com> + + * config/alpha/vms-cc.c: Deleted. + * config/alpha/vms-ld.c: Deleted. + * config/alpha/t-vms64: Moved to config/vms + * config/alpha/vms-crt0-64.c: Moved to config/vms + * config/alpha/vms-crt0.c: Moved to config/vms + * config/alpha/vms-psxcrt0-64.c: Moved to config/vms + * config/alpha/vms-psxcrt0.c: Moved to config/vms + * config/alpha/xm-vms.h: Moved to config/vms + * config/alpha/x-vms: Moved to config/vms + * config/alpha/t-vms (vcrt0.o, pcrt0.o): Move rules to new file + config/vms/t-vms. + * config/vms/t-vms: Moved here from config/alpha. Alpha specific + parts removed. (STMP_FIXPROTO, STMP_FIXINC, LIMITS_H_TEST): Set. + (version): Set. + * config/vms/t-vms64: Moved here from config/alpha + * config/vms/vms-crt0-64.c: Moved here from config/alpha. + (argc,argv,envp): Enforce 32bit malloc'ing. + * config/vms/vms-psxcrt0-64.c: Likewise. + * config/vms/vms-crt0.c: Moved here from config/alpha. + * config/vms/vms-psxcrt0.c: Likewise. + * config/vms/vms-crtl-64.h: New file. + * config/vms/vms-crtl.h: New file. + * config/vms/vms.opt: New file. + * config/vms/xm-vms64.h: New file. + * config/vms/xm-vms.h: Moved here from config/alpha. + (STANARD_EXEC_PREFIX, STANDARD_STARTFILE_PREFIX, STANDARD_INCLUDE_DIR): + Set. + * config/vms/x-vms: Moved here from config/alpha. + (version, VMS_EXTRA_PARTS): Moved to t-vms. + (vms-ld.o, vms-cc.o): Removed. + (LN, LN_S, USE_COLLECT2, POD2MAN): Set. + +2009-07-29 Douglas B Rupp <rupp@gnat.com> + + * dwarf2out.c (add_name_and_src_coords_attributes): Push on the + correct stack (obvious VMS fix). + +2009-07-29 Douglas B Rupp <rupp@gnat.com> + + * dwarf2out.c (output_file_names): Output VMS style file name, size, + date, version info if VMS_DEBUGGING_INFO defined. + * vmsdgbout.c (vms_file_stats_name): New functon. VMS style file name, + size, date calculating code moved here. + +2009-07-29 Paul Brook <paul@codesourcery.com> + + * config/arm/lib1funcs.asm (clear_cache): Use ARM_FUNC_START and + do_push/do_pop. + +2009-07-29 Uros Bizjak <ubizjak@gmail.com> + + PR target/40577 + * config/alpha/alpha.c (alpha_expand_unaligned_store): Convert src + to DImode when generating insq_le insn. + +2009-07-28 Douglas B Rupp <rupp@gnat.com> + + * dwarf2out.c (DWARF2_INDIRECT_STRING_SUPPORT_MISSING_ON_TARGET): + New macro set for VMS_DEBUGGGING_INFO. + (AT_string_form): Use it. + +2009-07-28 DJ Delorie <dj@redhat.com> + + * config/mep/mep.c (vtext_section): New. + (vftext_section): New. + (ftext_section): New. + (mep_select_section): Add support for functions. + (mep_unique_section): Likewise. + (mep_asm_init_sections): Likewise. + (mep_encode_section_info): Remove it from here. + + * config/mep/mep.h (USE_SELECT_SECTION_FOR_FUNCTIONS): Define. + +2009-07-28 Paolo Bonzini <bonzinI@gnu.org> + + * tree.h (TREE_DEPRECATED): Document it is used for types too. + (TYPE_VECTOR_OPAQUE): Use default_def_flag + +2009-07-28 Douglas B Rupp <rupp@gnat.com> + + * dwarf2out.c (output_file_names): Test new macro + DWARF2_DIR_SHOULD_END_WITH_SEPARATOR. + (add_comp_dir_attribute): Likewise. + +2009-07-28 Kai Tietz <kai.tietz@onevision.com> + + * config/i386/mingw-w64.h (LINK_SPEC): Add + separating space between commands. + +2009-07-28 Jan Hubicka <jh@suse.cz> + + PR tree-optimization/40759 + * tree-ssa-dce.c (mark_virtual_phi_result_for_renaming): Mark all uses + for renaming. + +2009-07-27 DJ Delorie <dj@redhat.com> + + * config/mep/mep.c (mep_expand_builtin_saveregs): Make sure 64-bit + types are dword-aligned. + (mep_expand_va_start): Likewise. + +2009-07-27 Olivier Hainque <hainque@adacore.com> + Douglas B Rupp <rupp@gnat.com> + + * convert.c (convert_to_pointer): Don't assume the target + pointer type is POINTER_SIZE long. Fetch its precision instead. + +2009-07-27 Douglas B Rupp <rupp@gnat.com> + + * system.h (fopen): Undefine if macro. + +2009-07-27 Jakub Jelinek <jakub@redhat.com> + + * dwarf2out.c (output_cfi_p): Removed. + (output_cfis): New function. + (output_fde): New function, split from output_call_frame_info. + (output_call_frame_info): Use it. + (dwarf2out_switch_text_section): Use output_cfis. + +2009-07-24 Kai Tietz <kai.tietz@onevision.com> + + * config/i386/cygming.h (DWARF2_UNWIND_INFO): Error build when + TARGET_BI_ARCH is specified without enabling SJLJ. + * config/i386/mingw32.h (MD_UNWIND_SUPPORT): Define MD_UNWIND_SUPPORT, + if TARGET_64BIT and TARGET_BI_ARCH aren't defined. + +2009-07-26 Mikael Pettersson <mikpe@it.uu.se> + + * arm.md (negdi2): Use DImode if forcing a value into a register. + +2009-07-26 Ira Rosen <irar@il.ibm.com> + + PR tree-optimization/40801 + * tree-vect-stmts.c (vectorizable_call): Get previous copy + of vector operand from the previous copy of vector statement. + Pass the correct definition type value to + vect_get_vec_def_for_stmt_copy(). + +2009-07-25 John David Anglin <dave.anglin@nrc-cnrc.gc.ca> + + * collect2.c (scan_libraries): Use CONST_CAST2 to perform char ** to + const char ** conversion. + +2009-07-25 David Daney <ddaney@caviumnetworks.com> + + * system.h (gcc_assert): Invoke __builtin_unreachable() instead of + fancy_abort() if !ENABLE_ASSERT_CHECKING. + (gcc_unreachable): Invoke __builtin_unreachable() if + !ENABLE_ASSERT_CHECKING. + +2009-07-25 David Daney <ddaney@caviumnetworks.com> + + PR rtl-optimization/40445 + * emit-rtl.c (next_nonnote_insn_bb): New function. + * rtl.h (next_nonnote_insn_bb): Declare new function. + * cfgcleanup.c (try_optimize_cfg): Don't remove an empty block + with no successors that is the successor of the ENTRY_BLOCK. + Continue from the top after removing an empty fallthrough block. + * cfgrtl.c (get_last_bb_insn): Call next_nonnote_insn_bb instead + of next_nonnote_insn. + +2009-07-25 David Daney <ddaney@caviumnetworks.com> + + * cfgcleanup.c (old_insns_match_p): Handle the case of empty blocks. + +2009-07-25 Martin Jambor <mjambor@suse.cz> + + * c-common.c (c_common_attribute_table): New element for noclone. + (handle_noclone_attribute): New function. Forward-declare. + * tree-inline.c (tree_versionable_function_p): Check for noclone + attribute. + * doc/extend.texi (Labels as Values): Document need for noclone. + (Function Attributes): Document noclone attribute. + +2009-07-25 Jakub Jelinek <jakub@redhat.com> + + PR rtl-optimization/34999 + * dwarf2out.c (struct dw_fde_struct): Add dw_fde_switch_cfi + and dw_fde_switched_cold_to_hot fields. + (output_cfi_p): New function. + (output_call_frame_info): If fde->dw_fde_switched_sections, + output 2 FDEs instead of one with corrupted header. + (dwarf2out_do_cfi_startproc): New function. + (dwarf2out_begin_prologue): Use it. Initialize fde->dw_fde_switch_cfi + and fde->dw_fde_switched_cold_to_hot. + (dwarf2out_switch_text_section): Compute + fde->dw_fde_switched_cold_to_hot. Switch to new text section here. + If dwarf2out_do_cfi_asm, emit .cfi_endproc before it and call + dwarf2out_do_cfi_startproc plus emit again currently active CFI insns. + Otherwise, compute fde->dw_fde_switch_cfi. + +2009-07-24 Cary Coutant <ccoutant@google.com> + + * tree-cfg.c (assign_discriminator): Add explicit parentheses. + +2009-07-24 Cary Coutant <ccoutant@google.com> + + * cfghooks.c (split_block): Copy discriminator to new block. + * tree-cfg.c (assign_discriminator): Check location of last + instruction in block as well as first. + +2009-07-24 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/linux.c: Use fputs or putc instead of fprintf + where appropriate. + * config/i386/gas.h: Ditto. + * config/i386/x86-64.h: Ditto. + * config/i386/att.h: Ditto. + +2009-07-24 Andreas Krebbel <Andreas.Krebbel@de.ibm.com> + + * expmed.c (emit_store_flag): Use a recursive call to optimize the + xor case. + +2009-07-24 Martin Jambor <mjambor@suse.cz> + + * ipa-prop.h (struct ipa_node_params): New flag node_enqued. + (ipa_push_func_to_list_1): Declare. + (ipa_push_func_to_list): New function. + + * ipa-prop.c (ipa_push_func_to_list_1): New function. + (ipa_init_func_list): Call ipa_push_func_to_list_1. + (ipa_push_func_to_list): Removed. + (ipa_pop_func_from_list): Clear node_enqueued flag. + +2009-07-24 Andreas Krebbel <krebbel1@de.ibm.com> + + * config/s390/s390.c (override_options): Default + max-unrolled-insns to 100 for z10 tuning. + +2009-07-24 Tobias Grosser <grosser@fim.uni-passau.de> + + * Makefile.in (TREE_DATA_REF_H, tree-vrp.o, tree-cfg.o, tree-if-conv.o + tree-ssa-loop.o, tree-ssa-loop-niter.o, tree-ssa-loop-ivcanon.o, + tree-ssa-loop-prefetch.o, tree-predcom.o, tree-affine.o, + tree-scalar-evolution.o, tree-data-ref.o, tree-vect-loop.o, + tree-vect-data-refs.o, tree-loop-linear.o, tree-loop-distribution.o + tree-parloops.o, tree-pretty-printer.o, fold-const.o, tree-ssa-dce.o, + lambda-code.o, params.o): Cleanup use of SCEV_H and TREE_DATA_REF_H. + +2009-07-24 Kai Tietz <kai.tietz@onevision.com> + + * config/i386/mingw-w64.h (STANDARD_INCLUDE_DIR): Remove and + use default set in mingw32.h header. + * config/i386/mingw32.h (STANDARD_INCLUDE_DIR): Use for 32-bit and + 64-bit /mingw/include path. + (STANDARD_STARTFILE_PREFIX_1): Use for 32-bit and 64-bit /mingw/lib + path. + +2009-07-23 Neil Vachharajani <nvachhar@google.com> + + PR rtl-optimization/40209 + * loop-iv.c (iv_analysis_loop_init): Call df_note_add_problem. + +2009-07-23 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/i386.c: Use ASM_LONG instead of .long. Concatenate + ASM_LONG, LPREFIX, MCOUNT_NAME and PROFILE_COUNT_REGISTER strings + with the rest of string where appropriate. Use fputs or putc + instead of fprintf where appropriate. + +2009-07-22 Michael Meissner <meissner@linux.vnet.ibm.com> + Pat Haugen <pthaugen@us.ibm.com> + Revital Eres <ERES@il.ibm.com> + + * config/rs6000/vector.md: New file. Move most of the vector + expander support here from altivec.md to allow for the VSX vector + unit in the future. Add support for secondary_reload patterns. + Rewrite the patterns for vector comparison, and vector comparison + predicate instructions so that the RTL expresses the desired + behavior, instead of using unspec. + + * config/rs6000/constraints.md ("f" constraint): Use + rs6000_constraints to hold the precalculated register class. + ("d" constraint): Ditto. + ("wd" constraint): New constraint for VSX. + ("wf" constraint): Ditto. + ("ws" constraint): Ditto. + ("wa" constraint): Ditto. + ("wZ" constraint): Ditto. + ("j" constraint): Ditto. + + * config/rs6000/predicates.md (vsx_register_operand): New + predicate for VSX. + (vfloat_operand): New predicate for vector.md. + (vint_operand): Ditto. + (vlogical_operand): Ditto. + (easy_fp_constant): If VSX, 0.0 is an easy constant. + (easy_vector_constant): Add VSX support. + (altivec_indexed_or_indirect_operand): New predicate for + recognizing Altivec style memory references with AND -16. + + * config/rs6000/rs6000.c (rs6000_vector_reload): New static global + for vector secondary reload support. + (rs6000_vector_reg_class): Delete, replacing it with + rs6000_constraints. + (rs6000_vsx_reg_class): Ditto. + (rs6000_constraints): New array to hold the register classes of + each of the register constraints that can vary at runtime. + (builtin_mode_to_type): New static array for builtin function type + creation. + (builtin_hash_table): New static hash table for builtin function + type creation. + (TARGET_SECONDARY_RELOAD): Define target hook. + (TARGET_IRA_COVER_CLASSES): Ditto. + (rs6000_hard_regno_nregs_internal): If -mvsx, floating point + registers are 128 bits if VSX memory reference instructions are used. + (rs6000_hard_regno_mode_ok): For VSX, only check if the VSX memory + unit is being used. + (rs6000_debug_vector_unit): Move into rs6000_debug_reg_global. + (rs6000_debug_reg_global): Move -mdebug=reg statements here. + Print several of the scheduling related parameters. + (rs6000_init_hard_regno_mode_ok): Switch to putting constraints in + rs6000_constraints instead of rs6000_vector_reg_class. Move + -mdebug=reg code to rs6000_debug_reg_global. Add support for + -mvsx-align-128 debug switch. Drop testing float_p if VSX or + Altivec. Add VSX support. Setup for secondary reload support on + Altivec/VSX registers. + (rs6000_override_options): Make power7 set the scheduling groups + like the power5. Add support for new debug switches to override + the scheduling defaults. Temporarily disable -mcpu=power7 from + setting -mvsx. Add support for debug switches -malways-hint, + -msched-groups, and -malign-branch-targets. + (rs6000_buitlin_conversion): Add support for returning unsigned + vector conversion functions to fix regressions due to stricter + type checking. + (rs6000_builtin_mul_widen_even): Ditto. + (rs6000_builtin_mul_widen_odd): Ditto. + (rs6000_builtin_vec_perm): Ditto. + (rs6000_vec_const_move): On VSX, use xxlxor to clear register. + (rs6000_expand_vector_init): Initial VSX support for using xxlxor + to zero a register. + (rs6000_emit_move): Fixup invalid const symbol_ref+reg that is + generated upstream. + (bdesc_3arg): Add builtins for unsigned types. Add builtins for + VSX types for bit operations. Changes to accomidate vector.md. + (bdesc_2arg): Ditto. + (bdesc_1arg): Ditto. + (struct builtin_description_predicates): Rewrite predicate + handling so that RTL describes the operation, instead of passing + the instruction to be used as a string argument. + (bdesc_altivec_preds): Ditto. + (altivec_expand_predicate_builtin): Ditto. + (altivec_expand_builtin): Ditto. + (rs6000_expand_ternop_builtin): Use a switch instead of an if + statement for vsldoi support. + (altivec_expand_ld_builtin): Change to use new names from vector.md. + (altivec_expand_st_builtin): Ditto. + (paired_expand_builtin): Whitespace changes. + (rs6000_init_builtins): Add V2DF/V2DI types. Initialize the + builtin_mode_to_type table for secondary reload. Call + builtin_function_type to build random builtin functions. + (altivec_init_builtins): Change to use builtin_function_type to + create builtin function types dynamically as we need them. + (builtin_hash_function): New support for hashing the tree types + for builtin function as we need it, rather than trying to build + all of the trees that we need. Add initial preliminary VSX support. + (builtin_function_type): Ditto. + (builtin_function_eq): Ditto. + (builtin_hash_struct): Ditto. + (rs6000_init_builtins): Ditto. + (rs6000_common_init_builtins): Ditto. + (altivec_init_builtins): Ditto. + (rs6000_common_init_builtins): Ditto. + (enum reload_reg_type): New enum for simplifing reg classes. + (rs6000_reload_register_type): Simplify register classes into GPR, + Vector, and other registers. Altivec and VSX addresses in reload. + (rs6000_secondary_reload_inner): Ditto. + (rs6000_ira_cover_classes): New target hook, that returns the + appropriate cover classes, based on -mvsx being used or not. + (rs6000_secondary_reload_class): Add VSX support. + (get_vec_cmp_insn): Delete, rewrite vector conditionals. + (get_vsel_insn): Ditto. + (rs6000_emit_vector_compare): Rewrite vector conditional support + so that where we can, we use RTL operators, instead of blindly use + UNSPEC. + (rs6000_emit_vector_select): Ditto. + (rs6000_emit_vector_cond_expr): Ditto. + (rs6000_emit_minmax): Directly generate min/max under altivec, vsx. + (create_TOC_reference): Add -mdebug=addr support. + (emit_frame_save): VSX loads/stores need register indexed addressing. + + * config/rs6000/rs6000.md: Include vector.md. + + * config/rs6000/t-rs6000 (MD_INCLUDES): Add vector.md. + + * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add + support for V2DI, V2DF in logical, permute, select operations. + + * config/rs6000/rs6000.opt (-mvsx-scalar-double): Add new debug + switch for vsx/power7. + (-mvsx-scalar-memory): Ditto. + (-mvsx-align-128): Ditto. + (-mallow-movmisalign): Ditto. + (-mallow-df-permute): Ditto. + (-msched-groups): Ditto. + (-malways-hint): Ditto. + (-malign-branch-targets): Ditto. + + * config/rs6000/rs6000.h (IRA_COVER_CLASSES): Delete, use target + hook instead. + (IRA_COVER_CLASSES_PRE_VSX): Cover classes if not -mvsx. + (IRA_COVER_CLASSES_VSX): Cover classes if -mvsx. + (rs6000_vector_reg_class): Delete. + (rs6000_vsx_reg_class): Ditto. + (enum rs6000_reg_class_enum): New enum for the constraints that + vary based on target switches. + (rs6000_constraints): New array to hold the register class for all + of the register constraints that vary based on the switches used. + (ALTIVEC_BUILTIN_*_UNS): Add unsigned builtin functions. + (enum rs6000_builtins): Add unsigned varients for the builtin + declarations returned by target hooks for expanding multiplies, + select, and permute operations. Add VSX builtins. + (enum rs6000_builtin_type_index): Add entries for VSX. + (V2DI_type_node): Ditto. + (V2DF_type_node): Ditto. + (unsigned_V2DI_type_node): Ditto. + (bool_long_type_node): Ditto. + (intDI_type_internal_node): Ditto. + (uintDI_type_internal_node): Ditto. + (double_type_internal_node): Ditto. + + * config/rs6000/altivec.md (whole file): Move all expanders to + vector.md from altivec.md. Rename insn matching functions to be + altivec_foo. + (UNSPEC_VCMP*): Delete, rewrite vector comparisons. + (altivec_vcmp*): Ditto. + (UNSPEC_VPERM_UNS): New, add for unsigned types using vperm. + (VM): New iterator for moves that includes the VSX types. + (altivec_vperm_<mode>): Add VSX types. Add unsigned types. + (altivec_vperm_<mode>_uns): New, for unsigned types. + (altivec_vsel_*): Rewrite vector comparisons and predicate builtins. + (altivec_eq<mode>): Ditto. + (altivec_gt<mode>): Ditto. + (altivec_gtu<mode>): Ditto. + (altivec_eqv4sf): Ditto. + (altivec_gev4sf): Ditto. + (altivec_gtv4sf): Ditto. + (altivec_vcmpbfp_p): Ditto. + +2009-07-23 Richard Earnshaw <rearnsha@arm.com> + + * arm.md (split for ior/xor with shift and zero-extend): Cast op3 to + unsigned HWI. + +2009-07-23 Uros Bizjak <ubizjak@gmail.com> + + PR target/40832 + * config/i386/i386.c (output_387_ffreep): Rewrite to use + ASM_SHORT instead of .word. + * config/i386/i386.md (*tls_global_dynamic_64): Use ASM_SHORT + instead of .word in asm template. + +2009-07-22 Vladimir Makarov <vmakarov@redhat.com> + + PR target/37488 + * ira-lives.c (bb_has_abnormal_call_pred): New function. + (process_bb_node_lives): Use it. + + * ira.c (setup_cover_and_important_classes): Don't setup + ira_important_class_nums. Add cover classes to the end of + important classes. + (cover_class_order, comp_reg_classes_func, reorder_important_classes): + New. + (find_reg_class_closure): Use reorder_important_classes. + + * config/i386/i386.h (IRA_COVER_CLASSES): Remove. + + * config/i386/i386.c (i386_ira_cover_classes): New function. + (TARGET_IRA_COVER_CLASSES): Redefine. + + * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Add a comment about + importance of order of cover classes in the array. + +2009-07-22 Diego Novillo <dnovillo@google.com> + + * tree-pass.h (TDF_EH): Define. + * gimple-pretty-print.c (dump_gimple_stmt): If FLAGS + contains TDF_EH, print the EH region number holding GS. + * tree-dump.c (dump_options): Add "eh". + * doc/invoke.texi: Document it. + +2009-07-22 Doug Kwan <dougkwan@google.com> + + * config/arm/arm.md (subdi3) Copy non-reg values to DImode registers. + +2009-07-22 Michael Matz <matz@suse.de> + + PR tree-optimization/35229 + PR tree-optimization/39300 + + * tree-ssa-pre.c (includes): Include tree-scalar-evolution.h. + (inhibit_phi_insertion): New function. + (insert_into_preds_of_block): Call it for REFERENCEs. + (init_pre): Initialize and finalize scalar evolutions. + * Makefile.in (tree-ssa-pre.o): Depend on tree-scalar-evolution.h . + +2009-07-22 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/predicates.md (zero_extended_scalar_load_operand): + Use CONST_VECTOR_NUNITS to determine number of elements. + +2009-07-22 Andreas Krebbel <krebbel1@de.ibm.com> + + * config/s390/constraints.md (ZQ, ZR, ZS, ZT): New constraints. + (U, W): Constraints are now deprecated and will be removed if we + run out of letters. + * config/s390/s390.md (U, W): Replaced with ZQZR, ZSZT throughout + the file. + ("prefetch"): Add the stcmh instruction for prefetching. + * config/s390/s390.c (s390_symref_operand_p): Function moved. No + changes. + (s390_short_displacement): Return always true if compiling for + machines not providing the long displacement facility. + (s390_mem_constraint): Support the new constraint letter Z. + (s390_check_qrst_address): New function. + +2009-07-21 DJ Delorie <dj@redhat.com> + + * config/mep/mep.c (mep_legitimize_arg): Leave control registers + alone too. + +2009-07-21 Jason Merrill <jason@redhat.com> + + * c-common.c (max_tinst_depth): Increase default to 1024. + +2009-07-21 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/sse.md (vec_unpacku_float_hi_v4si): New expander. + (vec_unpacku_float_lo_v4si): Ditto. + +2009-07-21 Uros Bizjak <ubizjak@gmail.com> + + PR target/40811 + * config/i386/sse.md (sse2_cvtudq2ps): New expander. + (enum ix86_builtins): Add IX86_BUILTIN_CVTUDQ2PS. + (builtin_description): Add __builtin_ia32_cvtudq2ps. + (ix86_vectorize_builtin_conversion): Handle IX86_BUILTIN_CVTUDQ2PS. + +2009-07-21 Jakub Jelinek <jakub@redhat.com> + + PR tree-optimization/40813 + * tree-inline.c (copy_bb): Regimplify RHS after last stmt, not before + it. + +2009-07-21 Kaz Kojima <kkojima@gcc.gnu.org> + + * config/sh/sh.c (sh_gimplify_va_arg_expr): Wrap the result + with a NOP_EXPR if needed. + +2009-07-21 Paul Brook <paul@codesourcery.com> + + * tree-vectorizer.c (increase_alignment): Handle nested arrays. + Terminate debug dump with newline. + +2009-07-20 John David Anglin <dave.anglin@nrc-cnrc.gc.ca> + + * pa.c (compute_zdepwi_operands): Limit deposit length to 32 - lsb. + Cast "1" to unsigned HOST_WIDE_INT. + (compute_zdepdi_operands): Limit maximum length to 64 bits. Limit + deposit length to the maximum length - lsb. Extend length if + HOST_BITS_PER_WIDE_INT is 32. + +2009-07-20 Olatunji Ruwase <tjruwase@google.com> + + * cgraph.h (constant_pool_htab): New function. + (constant_descriptor_tree): Move from varasm.c. + * varasm.c (constant_pool_htab): New function. + (constant_descriptor_tree): Move to cgraph.h. + +2009-07-20 Olatunji Ruwase <tjruwase@google.com> + + * toplev.c: Invoke FINISH_UNIT callbacks before call to finalize(). + +2009-07-20 Shujing Zhao <pearly.zhao@oracle.com> + + * Makefile.in (TREE_INLINE_H, tree-inline.o, cgraph.o): Remove + $(VARRAY_H). + +2009-07-20 Xinliang David Li <davidxl@google.com> + + * dbgcnt.c (dbg_cnt_set_limit_by_name): Add length check. + +2009-07-20 Adam Nemet <anemet@caviumnetworks.com> + + * config/mips/mips.md (move_type): Add arith. + (type): Handle arith. + (zero_extendsidi2): Rename this into ... + (*zero_extendsidi2): ... this. Don't match if ISA_HAS_EXT_INS. + (zero_extendsidi2): New expander. + (*zero_extendsidi2_dext): New pattern. + +2009-07-20 Nick Clifton <nickc@redhat.com> + + * config.gcc (mips64-*-*): Add definition of tm_defines in order + to set MIPS_ABI_DEFAULT. + * config/mips/vr.h (MIPS_ABI_DEFAULT): Remove definition. + +2009-07-20 Jakub Jelinek <jakub@redhat.com> + + * tree-object-size.c (addr_object_size): Handle unions with + array in it as last field of structs in __bos (, 1) as __bos (, 0). + + PR tree-optimization/40792 + * tree.c (build_function_type_skip_args): Remove bogus assert. + +2009-07-20 Jan Hubicka <jh@suse.cz> + Martin Jambor <mjambor@suse.cz> + + * cgraph.h (combined_args_to_skip): New field. + * cgraph.c (cgraph_create_virtual_clone): Properly handle + combined_args_to_skip and args_to_skip. + * tree-inline.c (update_clone_info): New function. + (tree_function_versioning): Call update_clone_info. + * cgraphunit.c (cgraph_materialize_clone): Dump materialized + functions. + (cgraph_materialize_all_clones): More extensive dumping, working + with combined_args_to_skip rather than args_to_skip. + +2009-07-20 Ira Rosen <irar@il.ibm.com> + + * tree-vectorizer.h (vectorizable_condition): Add parameters. + * tree-vect-loop.c (vect_is_simple_reduction): Support COND_EXPR. + (get_initial_def_for_reduction): Likewise. + (vectorizable_reduction): Skip the check of first operand in case + of COND_EXPR. Add check that it is outer loop vectorization if + nested cycle was detected. Call vectorizable_condition() for + COND_EXPR. If reduction epilogue cannot be created do not fail for + nested cycles (if it is not double reduction). Assert that there + is only one type in the loop in case of COND_EXPR. Call + vectorizable_condition() to vectorize COND_EXPR. + * tree-vect-stmts.c (vectorizable_condition): Update comment. + Add parameters. Allow nested cycles if called from + vectorizable_reduction(). Use reduction vector variable if provided. + (vect_analyze_stmt): Call vectorizable_reduction() before + vectorizable_condition(). + (vect_transform_stmt): Update call to vectorizable_condition(). + +2009-07-20 Christian Bruel <christian.bruel@st.com> + + * config/sh/sh.opt (-mfmovd): Resurrect and document. + * doc/invoke.texi (-mfmovd): Likewise. + * config/sh/sh.h (TARGET_FMOVD, MASK_FMOVD): Remove default setting. + +2009-07-20 Jan Hubicka <jh@suse.cz> + + * tree-ssa-dce.c (remove_dead_phis): Only look for abnormal PHIs + when handling SSA name. + +2009-07-19 Jan Hubicka <jh@suse.cz> + + PR tree-optimization/40676 + * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do renaming on all + virtual PHIs in empty BBs. + +2009-07-18 Adam Nemet <anemet@caviumnetworks.com> + + * combine.c (make_compound_operation) <SUBREG>: If force_to_mode + re-expanded the compound use gen_lowpart instead to convert to the + desired mode. + +2009-07-18 Adam Nemet <anemet@caviumnetworks.com> + + * combine.c (try_widen_shift_mode): Add COUNT, OUTER_CODE and + OUTER_CONST arguments. + <LSHIFTRT>: Use them to allow widening if the bits shifted in from + the new wider mode will be masked off. + (simplify_shift_const_1): Adjust calls to try_widen_shift_mode. + +2009-07-18 Adam Nemet <anemet@caviumnetworks.com> + + * combine.c (try_widen_shift_mode) <LSHIFTRT>: Allow widening if the + high-order bits are zero. + +2009-07-18 Adam Nemet <anemet@caviumnetworks.com> + + * combine.c (simplify_shift_const_1): Split code to determine + shift_mode into ... + (try_widen_shift_mode): ... here. Allow widening for ASHIFTRT if the + new bits shifted in are identical to the old sign bit. + +2009-07-18 Richard Guenther <rguenther@suse.de> + + PR c/40787 + * gimplify.c (gimplify_call_expr): Reject code using results from + functions returning void. + +2009-07-18 Richard Sandiford <r.sandiford@uk.ibm.com> + + * doc/md.texi: Document the new PowerPC "es" constraint. + Document that "m" can include automodified addresses on this target, + and explain how %U must be used. Extend the "Q" and "Z" documentation + to suggest "es" as well as "m". + * config/rs6000/constraints.md (es): New memory constraint. + (Q, Z): Update strings to match new documentation. + +2009-07-18 Richard Sandiford <r.sandiford@uk.ibm.com> + + * config/rs6000/rs6000.c (rs6000_mode_dependent_address): Allow any + offset from virtual_stack_vars_rtx and arg_pointer_rtx. + * config/rs6000/predicates.md (volatile_mem_operand): Use + offsettable_nonstrict_memref_p. + * config/rs6000/rs6000.md (*floatsidf2_internal): Remove split check. + (*floatunssidf2_internal): Likewise. + (*fix_truncdfsi2_internal): Likewise. + (*fix_trunctfsi2_internal): Likewise. + +2009-07-17 Anatoly Sokolov <aesok@post.ru> + + * config/avr/avr-devices.c (avr_mcu_t): Add atmega8u2, atmega16u2 and + atmega32u2 devices. + * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.). + +2009-07-17 Richard Guenther <rguenther@suse.de> + + PR c/40401 + * tree-pass.h (pass_diagnose_omp_blocks): Declare. + (pass_warn_unused_result): Likewise. + (TODO_set_props): Remove. + * omp-low.c (diagnose_omp_structured_block_errors): Change to + run as a pass. + (pass_diagnose_omp_blocks): Define. + * c-decl.c (pop_file_scope): Do not finalize the CU here. + (c_gimple_diagnostics_recursively): Remove. + (finish_function): Do not call it. + (c_write_global_declarations): Continue after errors. + Finalize the CU here. + * c-gimplify.c (c_genericize): Do not gimplify here. + * c-common.c (c_warn_unused_result): Move ... + * tree-cfg.c (do_warn_unused_result): ... here. + (run_warn_unused_result): New function. + (gate_warn_unused_result): New function. + (pass_warn_unused_result): New pass. + * c-common.h (c_warn_unused_result): Remove. + * flags.h (flag_warn_unused_result): Declare. + * c-opts.c (c_common_init_options): Enable flag_warn_unused_result. + * opts.c (flag_warn_unused_result): Initialize to false. + * toplev.c (compile_file): Add comment. + * omp-low.c (create_omp_child_function): Do not register + the function with the frontend. + (diagnose_omp_structured_block_errors): Prepare to be + called as optimization pass. + (gate_diagnose_omp_blocks): New function. + (pass_diagnose_omp_blocks): New pass. + * cgraph.h (cgraph_optimize): Remove. + (cgraph_analyze_function): Likewise. + * cgraph.c (cgraph_add_new_function): Gimplify C++ thunks. + * cgraphunit.c (cgraph_lower_function): Lower nested functions + before their parents here. + (cgraph_finalize_function): Not here. + (cgraph_analyze_function): Gimplify functions here. + (cgraph_finalize_compilation_unit): Continue after errors. + Optimize the callgraph from here. + (cgraph_optimize): Make static. + * langhooks.c (write_global_declarations): Finalize the CU. + * gimplify.c (gimplify_asm_expr): Do not emit ASMs with errors. + (gimplify_function_tree): Assert we gimplify only once. + Set PROP_gimple_any property. + * tree-nested.c (gimplify_all_functions): New function. + (lower_nested_functions): Gimplify all nested functions. + * gimple.h (diagnose_omp_structured_block_errors): Remove. + * passes.c (init_optimization_passes): Add pass_warn_unused_result + and pass_diagnose_omp_blocks after gimplification. Do not + set TODO_set_props on all_lowering_passes. + (execute_one_pass): Do not handle TODO_set_props. + * Makefile.in (cgraphunit.o): Add $(TREE_DUMP_H) dependency. + (gimplify.o): Add tree-pass.h dependency. + * tree-inline.c (copy_statement_list): Properly copy STATEMENT_LIST. + (copy_tree_body_r): Properly handle TARGET_EXPR like SAVE_EXPR. + (unsave_r): Likewise. + * c-omp.c (c_finish_omp_atomic): Set DECL_CONTEXT on the + temporary variable. + +2009-07-17 Sandra Loosemore <sandra@codesourcery.com> + + * doc/service.texi (Service): Restore previously removed link, + which isn't broken after all. + +2009-07-17 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/40321 + * tree-ssa-pre.c (add_to_exp_gen): Also add names defined by + PHI nodes to the maximal set. + (make_values_for_phi): Add PHI arguments to the maximal set. + (execute_pre): Dump PHI_GEN and the maximal set. + +2009-07-17 Jakub Jelinek <jakub@redhat.com> + + PR c++/40780 + * gimplify.c (gimplify_conversion): Don't change non-conversions into + VIEW_CONVERT_EXPR. + +2009-07-16 Sandra Loosemore <sandra@codesourcery.com> + + * doc/extend.texi (Nested Functions): Replace broken link with + textual reference. + * doc/service.texi (Service): Remove broken link. + +2009-07-16 H.J. Lu <hongjiu.lu@intel.com> + + PR bootstrap/40781 + * builtins.c (expand_builtin_memcmp): Use loc instead of + EXPR_LOCATION (exp). + (expand_builtin_strncmp): Likewise. + +2009-07-17 Aldy Hernandez <aldyh@redhat.com> + Manuel López-Ibáñez <manu@gcc.gnu.org> + + PR 40435 + * tree-complex.c, tree-loop-distribution.c, tree.c, tree.h, + builtins.c, fold-const.c, omp-low.c, cgraphunit.c, tree-ssa-ccp.c, + tree-ssa-dom.c, gimple-low.c, expr.c, tree-ssa-ifcombine.c, + c-decl.c, stor-layout.c, tree-if-conv.c, c-typeck.c, gimplify.c, + calls.c, tree-sra.c, tree-mudflap.c, tree-ssa-copy.c, + tree-ssa-forwprop.c, c-convert.c, c-omp.c, varasm.c, + tree-inline.c, c-common.c, c-common.h, gimple.c, + tree-switch-conversion.c, gimple.h, tree-cfg.c, c-parser.c, + convert.c: Add location argument to fold_{unary,binary,ternary}, + fold_build[123], build_call_expr, build_size_arg, + build_fold_addr_expr, build_call_array, non_lvalue, size_diffop, + fold_build1_initializer, fold_build2_initializer, + fold_build3_initializer, fold_build_call_array, + fold_build_call_array_initializer, fold_single_bit_test, + omit_one_operand, omit_two_operands, invert_truthvalue, + fold_truth_not_expr, build_fold_indirect_ref, fold_indirect_ref, + combine_comparisons, fold_builtin_*, fold_call_expr, + build_range_check, maybe_fold_offset_to_address, round_up, + round_down. + +2009-07-16 Jason Merrill <jason@redhat.com> + + PR libstdc++/37907 + * c-common.c (c_common_reswords): Add __is_standard_layout + and __is_trivial. + * c-common.h (enum rid): Add RID_IS_STD_LAYOUT and RID_IS_TRIVIAL. + * doc/implement-cxx.texi: New. + * doc/gcc.texi: Include it. + +2009-07-16 DJ Delorie <dj@redhat.com> + + * config/m32c/m32c.c (m32c_compare_redundant): Avoid removing + compares that may be indirectly affected by previous instructions. + +2009-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * builtins.c (do_mpc_arg2): New. + (fold_builtin_2): Fold builtin cpow. + * real.h (HAVE_mpc_pow): New. + +2009-07-16 Bingfeng Mei <bmei@broadcom.com> + + * modulo-sched.c (sms_schedule): stage_count <= 1 as correct + comparison to skip unprofitable schedule + +2009-07-16 Simon Baldwin <simonb@google.com> + + * gcc.c (option_map): New flag -no-canonical-prefixes. + * (display_help): Print help text for new flag. + * (process_command): Move options translation and language specifics + and handle new flag early. Use it to set a function pointer to a + prefix builder. Replace make_relative_prefix calls with calls to + the function pointed to. Ignore new flag in regular options handling. + * doc/invoke.texi (Overall Options): Documented -no-canonical-prefixes. + +2009-07-15 DJ Delorie <dj@redhat.com> + + * config/mep/mep.md (sibcall_internal): Change register to avoid + argument registers. + (sibcall_value_internal): Likewise. + +2009-07-15 Eric Botcazou <ebotcazou@adacore.com> + + PR rtl-optimization/40710 + * resource.c (mark_target_live_regs): Reset DF problem to LR. + +2009-07-15 Adam Nemet <anemet@caviumnetworks.com> + + * config/mips/mips.md (*extenddi_truncate<mode>, + *extendsi_truncate<mode>): Change type attribute to move_type + with shift_shift. Split out code handling exts from here ... + (*extend<GPR:mode>_truncate<SHORT:mode>_exts): ... to this new + pattern. + (*extendhi_truncateqi): Change type attribute to move_type with + shift_shift. Split out code handling exts from here ... + (*extendhi_truncateqi_exts): ... to this new pattern. + +2009-07-15 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/sse.md (copysign<mode>3): Use "and-not" SSE instruction + instead of "and" with inverted sign bit mask value. Use + "nonimmediate_operand" for operand 1 and operand 2 predicate. + Allocate registers only for operand 4 and operand 5. + +2009-07-15 Jakub Jelinek <jakub@redhat.com> + + PR middle-end/40747 + * fold-const.c (fold_cond_expr_with_comparison): When folding + < and <= to MIN, make sure the MIN uses the same type as the + comparison's operands. + +2009-07-15 Richard Earnshaw <rearnsha@arm.com> + + * arm.md (ior_xor): New code iterator. + (split for ior/xor with shift and zero-extend): New split pattern. + * arm/predicates.md (subreg_lowpart_operator): New special predicate. + +2009-07-15 Richard Guenther <rguenther@suse.de> + + * tree-ssa-structalias.c (make_constraint_from_heapvar): Initialize + offset member. + +2009-07-15 Richard Guenther <rguenther@suse.de> + + PR middle-end/40753 + * alias.c (ao_ref_from_mem): Reject FUNCTION_DECL and LABEL_DECL bases. + +2009-07-15 Maxim Kuvyrkov <maxim@codesourcery.com> + + * config/m68k/linux-unwind.h (m68k_fallback_frame_state): Update to + handle 2.6.30 kernel. + +2009-07-15 DJ Delorie <dj@redhat.com> + + * config/mep/mep.md (sibcall_internal): Change register to allow + for 24-bit addresses. + (sibcall_value_internal): Likewise. + +2009-07-14 Ghassan Shobaki <ghassan.shobaki@amd.com> + + * doc/invoke.texi: Added descriptions of the scheduling heuristics + that are enabled/disabled by the flags introduced by a previous patch. + +2009-07-14 DJ Delorie <dj@redhat.com> + + * config/mep/mep.md (sibcall_internal): Include non-toggling + non-jmp case. + (sibcall_value_internal): Likewise. + +2009-07-14 Taras Glek <tglek@mozilla.com> + Rafael Espindola <espindola@google.com> + + * doc/sourcebuild.texi: Document install-plugin target. + * configure.ac: Added install-plugin target to language makefiles. + * configure: Regenerate. + * Makefile.in (install-plugin): Install more headers, + depend on lang.install-plugin. + +2009-07-15 Manuel López-Ibáñez <manu@gcc.gnu.org> + + * tree-vrp.c (vrp_evaluate_conditional): Mark strings for + translation. + +2009-07-14 DJ Delorie <dj@redhat.com> + + * config/mep/mep.c (mep_vliw_jmp_match): New function. + * config/mep/mep-protos.h (mep_vliw_jmp_match): Prototype it. + * config/mep/mep.md (sibcall_internal): Change test from + mep_vliw_mode_match to mep_vliw_jmp_match. + (sibcall_value_internal): Likewise. + +2009-07-14 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/sse.md (copysign<mode>3): New expander. + * config/i386/i386-protos.h (ix86_build_signbit_mask): New prototype. + * config/i386/i386.c (ix86_build_signbit_mask): Make public. + Use ix86_build_const_vector. + (enum ix86_builtins): Add IX86_BUILTIN_CPYSGNPS and + IX86_BUILTIN_CPYSGNPD. + (builtin_description): Add __builtin_ia32_copysignps and + __builtin_ia32_copysignpd. + (ix86_builtin_vectorized_function): Handle BUILT_IN_COPYSIGN + and BUILT_IN_COPYSIGNF. + +2009-07-13 Jason Merrill <jason@redhat.com> + + * builtins.c (can_trust_pointer_alignment): New fn. + (get_pointer_alignment): Factor it out from here. + * tree.h: Declare it. + +2009-07-14 David Edelsohn <edelsohn@gnu.org> + + * config/rs6000/predicates.md (offsettable_mem_operand): Test + RTX_AUTOINC class. + +2009-07-14 Dodji Seketeli <dodji@redhat.com> + + PR debug/40705 + PR c++/403057 + * dwarf2.out.c (gen_type_die_with_usage): Added comment. + +2009-07-14 Richard Guenther <rguenther@suse.de> + Andrey Belevantsev <abel@ispras.ru> + + PR middle-end/40745 + * cfgexpand.c (partition_stack_vars): Do not bother to update + alias information when not optimizing. + +2009-07-14 Richard Guenther <rguenther@suse.de> + Andrey Belevantsev <abel@ispras.ru> + + * tree-ssa-alias.h (refs_may_alias_p_1): Declare. + (pt_solution_set): Likewise. + * tree-ssa-alias.c (refs_may_alias_p_1): Export. + * tree-ssa-structalias.c (pt_solution_set): New function. + * final.c (rest_of_clean_state): Free SSA data structures. + * print-rtl.c (print_decl_name): Remove. + (print_mem_expr): Implement in terms of print_generic_expr. + * alias.c (ao_ref_from_mem): New function. + (rtx_refs_may_alias_p): Likewise. + (true_dependence): Query alias-export info. + (canon_true_dependence): Likewise. + (write_dependence_p): Likewise. + * tree-dfa.c (get_ref_base_and_extent): For void types leave + size unknown. + * emit-rtl.c (component_ref_for_mem_expr): Remove. + (mem_expr_equal_p): Use operand_equal_p. + (set_mem_attributes_minus_bitpos): Do not use + component_ref_for_mem_expr. + * cfgexpand.c (add_partitioned_vars_to_ptset): New function. + (update_alias_info_with_stack_vars): Likewise. + (partition_stack_vars): Call update_alias_info_with_stack_vars. + * tree-ssa.c (delete_tree_ssa): Do not release SSA names + explicitly nor clear stmt operands. + Free the decl-to-pointer map. + * tree-optimize.c (execute_free_datastructures): Do not free + SSA data structures here. + * tree-flow.h (struct gimple_df): Add decls_to_pointers member. + * Makefile.in (emit-rtl.o): Add pointer-set.h dependency. + (alias.o): Add tree-ssa-alias.h, pointer-set.h and $(TREE_FLOW_H) + dependencies. + (print-rtl.o): Add $(DIAGNOSTIC_H) dependency. + +2009-07-13 DJ Delorie <dj@redhat.com> + + * config/mep/mep.h (CC1_SPEC): Tweak parameters to trigger + unrolling at the right iteration count. + + * config/mep/mep.c (mep_expand_prologue): Fix frame pointer + calculations. + +2009-07-13 Ghassan Shobaki <ghassan.shobaki@amd.com> + + * haifa-sched.c (rank_for_schedule): Introduced flags to + enable/disable individual scheduling heuristics. + * common.opt: Introduced flags to enable/disable individual + heuristics in the scheduler. + * doc/invoke.texi: Introduced flags to enable/disable individual + heuristics in the scheduler. + +2009-07-13 Kai Tietz <kai.tietz@onevision.com> + + * config/i386/t-gthr-win32 (LIB2FUNCS_EXTRA): Remove file + config/i386/mingw-tls.c. + * config/i386/mingw-tls.c: Removed. + +2009-07-13 Ira Rosen <irar@il.ibm.com> + + * tree-vect-loop.c (get_initial_def_for_reduction): Ensure that the + checks access only relevant statements. + (vectorizable_reduction): Likewise. + +2009-07-12 Kai Tietz <kai.tietz@onevision.com> + + * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define _X86_ + just for 32-bit case. + +2009-07-12 Jan Hubicka <jh@suse.cz> + + PR tree-optimization/40585 + * except.c (expand_resx_expr): When there already is resume + instruction, produce linked list. + (build_post_landing_pads): Assert that resume is empty. + (connect_post_landing_pads): Handle resume lists. + (dump_eh_tree): Dump resume list. + +2009-07-12 Ira Rosen <irar@il.ibm.com> + + * tree-parloops.c (loop_parallel_p): Call vect_is_simple_reduction + with additional argument. + * tree-vectorizer.h (enum vect_def_type): Add + vect_double_reduction_def. + (vect_is_simple_reduction): Add argument. + * tree-vect-loop.c (vect_determine_vectorization_factor): Fix + indentation. + (vect_analyze_scalar_cycles_1): Detect double reduction. Call + vect_is_simple_reduction with additional argument. + (vect_analyze_loop_operations): Handle exit phi nodes in case of + double reduction. + (reduction_code_for_scalar_code): Handle additional codes by + returning ERROR_MARK for them. Fix comment and indentation. + (vect_is_simple_reduction): Fix comment, add argument to specify + double reduction. Detect double reduction. + (get_initial_def_for_induction): Fix indentation. + (get_initial_def_for_reduction): Fix comment and indentation. + Handle double reduction. Create initial definitions that do not + require adjustment if ADJUSTMENT_DEF is NULL. Handle additional cases. + (vect_create_epilog_for_reduction): Fix comment, add argument to + handle double reduction. Use PLUS_EXPR in case of MINUS_EXPR in + epilogue result extraction. Create double reduction phi node and + replace relevant uses. + (vectorizable_reduction): Call vect_is_simple_reduction with + additional argument. Fix indentation. Update epilogue code treatment + according to the changes in reduction_code_for_scalar_code. Check + for double reduction. Call vect_create_epilog_for_reduction with + additional argument. + * tree-vect-stmts.c (process_use): Handle double reduction, update + documentation. + (vect_mark_stmts_to_be_vectorized): Handle double reduction. + (vect_get_vec_def_for_operand): Likewise. + +2009-07-12 Danny Smith <dansmister@gmail.com> + + * config/i386/winnt.c (i386_pe_determine_dllexport_p): Don't + dllexport if !TREE_PUBLIC. + (i386_pe_maybe_record_exported_symbol): Assert TREE_PUBLIC. + +2009-07-11 Anatoly Sokolov <aesok@post.ru> + + * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Redefine. + (avr_extra_arch_macro) Remove declatation. + * config/avr/avr.c (avr_cpu_cpp_builtins): New function. + (avr_extra_arch_macro) Declare as static. + * config/avr/avr-protos.h (avr_cpu_cpp_builtins): Dclare. + +2009-07-11 Jan Hubicka <jh@suse.cz> + + PR middle-end/48388 + * except.c (can_be_reached_by_runtime): Test for NULL aka bitmap. + +2009-07-11 Jakub Jelinek <jakub@redhat.com> + + PR debug/40713 + * dwarf2out.c (dw_fde_struct): Add in_std_section and + cold_in_std_section bits. + (dwarf2out_begin_prologue): Initialize them. + (dwarf2out_finish): Don't emit FDE range into .debug_ranges + if already covered by text_section or cold_text_section range. + + PR rtl-optimization/40667 + * defaults.h (MINIMUM_ALIGNMENT): Define if not defined. + * doc/tm.texi (MINIMUM_ALIGNMENT): Document it. + * config/i386/i386.h (MINIMUM_ALIGNMENT): Define. + * config/i386/i386.c (ix86_minimum_alignment): New function. + * config/i386/i386-protos.h (ix86_minimum_alignment): New prototype. + * cfgexpand.c (expand_one_var): Use MINIMIM_ALIGNMENT. + * emit-rtl.c (gen_reg_rtx): Likewise. + * function.c (assign_parms): Likewise. If nominal_type needs + bigger alignment than FUNCTION_ARG_BOUNDARY, use its alignment + rather than passed_type's alignment. + + PR target/40668 + * function.c (assign_parm_setup_stack): Adjust + MEM_OFFSET (data->stack_parm) if promoted_mode is different + from nominal_mode on big endian. + +2009-07-11 Paolo Bonzini <bonzini@gnu.org> + + * expmed.c (emit_store_flag_1): Fix choice of zero vs. sign extension. + +2009-07-10 DJ Delorie <dj@redhat.com> + + * config/mep/mep.c (mep_can_inline_p): Correct logic, and simplify. + +2009-07-10 Mark Mitchell <mark@codesourcery.com> + + * config/arm/thumb2.md (thumb2_cbz): Correct computation of length + attribute. + (thumb2_cbnz): Likewise. + +2009-07-10 David Daney <ddaney@caviumnetworks.com> + + PR target/39079 + * config.gcc (supported_defaults): Add synci. + (with_synci): Add validation. + (all_defaults): Add synci. + * config/mips/mips.md (clear_cache): Use TARGET_SYNCI instead of + ISA_HAS_SYNCI. + (synci): Same. + * config/mips/mips.opt (msynci): New option. + * config/mips/mips.c (mips_override_options): Warn on use of + -msynci for targets that do now support it. + * gcc/config/mips/mips.h (OPTION_DEFAULT_SPECS): Add a default for + msynci. + * gcc/doc/invoke.texi (-msynci): Document the new option. + * doc/install.texi (--with-synci): Document the new option. + +2009-07-10 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/40496 + * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Create + the PHI result with a compatible type. + +2009-07-10 Manuel López-Ibáñez <manu@gcc.gnu.org> + + PR 25509 + PR 40614 + * c.opt (Wunused-result): New. + * doc/invoke.texi: Document it. + * c-common.c (c_warn_unused_result): Use it. + +2009-07-09 DJ Delorie <dj@redhat.com> + + * targhooks.c (default_target_can_inline_p): Rename from + default_target_option_can_inline_p. + * targhooks.h (default_target_can_inline_p): Likewise. + * target-def.h (TARGET_CAN_INLINE_P): Rename from + TARGET_OPTION_CAN_INLINE_P. + * config/i386/i386.c (TARGET_CAN_INLINE_P): Likewise. + * config/mep/mep.c (TARGET_CAN_INLINE_P): Likewise. + (mep_target_can_inline_p): Rename from + mep_target_option_can_inline_p. + + PR target/40626 + * config/mep/mep.h (FUNCTION_ARG_REGNO_P): Add coprocessor + registers used to pass vectors. + + * config/mep/mep.c (mep_option_can_inline_p): Remove error call. + +2009-07-09 Tom Tromey <tromey@redhat.com> + + * unwind-dw2-fde-darwin.c: Include dwarf2.h. + * config/mmix/mmix.c: Include dwarf2.h. + * config/rs6000/darwin-fallback.c: Include dwarf2.h. + * config/xtensa/unwind-dw2-xtensa.c: Include dwarf2.h. + * config/sh/sh.c: Include dwarf2.h. + * config/i386/i386.c: Include dwarf2.h. + * Makefile.in (DWARF2_H): Remove 'elf'. + * except.c: Include dwarf2.h. + * unwind-dw2.c: Include dwarf2.h. + * dwarf2out.c: Include dwarf2.h. + * unwind-dw2-fde-glibc.c: Include dwarf2.h. + * unwind-dw2-fde.c: Include dwarf2.h. + * dwarf2asm.c: Include dwarf2.h. + +2009-07-09 Maxim Kuvyrkov <maxim@codesourcery.com> + + * haifa-sched.c (insn_finishes_cycle_p): New static function. + (max_issue): Use it. + * sched-int.h (struct sched_info: insn_finishes_block_p): New + scheduler hook. + * sched-rgn.c (rgn_insn_finishes_block_p): Implement it. + (region_sched_info): Update. + * sched-ebb.c (ebb_sched_info): Update. + * modulo-sched.c (sms_sched_info): Update. + * sel-sched-ir.c (sched_sel_haifa_sched_info): Update. + +2009-07-09 Maxim Kuvyrkov <maxim@codesourcery.com> + + * varasm.c (build_constant_desc): Don't share RTL in pool entries. + +2009-07-09 Basile Starynkevitch <basile@starynkevitch.net> + + * plugin.c (try_init_one_plugin): passes RTLD_GLOBAL to dlopen. + +2009-07-09 Jakub Jelinek <jakub@redhat.com> + + PR middle-end/40692 + * fold-const.c (fold_cond_expr_with_comparison): Don't replace + arg1 with arg01 if arg1 is already INTEGER_CST. + +2009-07-08 Adam Nemet <anemet@caviumnetworks.com> + + * simplify-rtx.c (simplify_binary_operation_1) <AND>: + Transform (and (truncate)) into (truncate (and)). + +2009-07-08 Adam Nemet <anemet@caviumnetworks.com> + + * combine.c (make_extraction): Check TRULY_NOOP_TRUNCATION before + creating LHS paradoxical subregs. Fix surrounding returns to + use NULL_RTX rather than 0. + +2009-07-08 DJ Delorie <dj@redhat.com> + + * config/mep/mep.c (mep_option_can_inline_p): New. + (TARGET_OPTION_CAN_INLINE_P): Define. + +2009-07-08 Mark Wielaard <mjw@redhat.com> + + PR debug/40659 + * dwarf2out.c (add_data_member_location_attribute): When we have + only a constant offset don't emit a new location description using + DW_OP_plus_uconst, but just add the constant with add_AT_int, when + dwarf_version > 2. + +2009-07-08 Richard Henderson <rth@redhat.com> + + PR target/38900 + * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move to i386.c. + (enum reg_class): Add CLOBBERED_REGS. + (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Likewise. + * config/i386/i386.c (ix86_conditional_register_usage): Moved + from CONDITIONAL_REGISTER_USAGE; build CLOBBERED_REGS for 64-bit. + (ix86_function_ok_for_sibcall): Tidy. Disallow MS->SYSV sibcalls. + (ix86_expand_call): Use sibcall_insn_operand when needed. Don't + force 64-bit sibcalls into R11. + * config/i386/constraints.md (U): New constraint. + * config/i386/i386.md (sibcall_1, sibcall_value_1): Use it. + (sibcall_1_rex64, sibcall_value_1_rex64): Likewise. + (sibcall_1_rex64_v, sibcall_value_1_rex64_v): Remove. + +2009-07-08 Shujing Zhao <pearly.zhao@oracle.com> + + * basic-block.h (dump_regset, debug_regset): Remove duplicate + prototypes. + * c-objc-common.h (c_initialize_diagnostics): Ditto. + * ebitmap.h (dump_ebitmap): Ditto. + * optabs.h (optab_libfunc): Ditto. + * tree.h (tree_expr_nonzero_warnv_p): Ditto. + * tree-flow.h (vect_can_force_dr_alignment_p, + get_vectype_for_scalar_type): Ditto. + (vectorize_loops): Move prototype to ... + * tree-vectorizer.h: ... here. Also, adjust comment. + (vect_set_verbosity_level): Remove duplicate prototype. + * tree-ssa-loop.c: Include tree-vectorizer.h. + * Makefile.in (tree-ssa-loop.o): Depend on tree-vectorizer.h. + +2009-07-08 Nick Clifton <nickc@redhat.com> + + * config/i386/unix.h (ASM_COMMENT_START): Add a space after the + forward slash. + +2009-07-08 DJ Delorie <dj@redhat.com> + + * config/mep/mep-ivc2.cpu (cpmovtocsar0_C3, cpmovtocsar1_C3, + cpmovtocc_C3, cpmovtocsar0_P0S_P1, cpmovtocsar1_P0S_P1, + cpmovtocc_P0S_P1): Mark volatile. Note which registers are + written to. + * config/mep/intrinsics.md: Regenerated. + * config/mep/mep.c (mep_interrupt_saved_reg): Save IVC2 control + registers when asm() or calls are detected. + +2009-07-08 Manuel López-Ibáñez <manu@gcc.gnu.org> + + PR c++/31246 + * gimplify.c (gimplify_expr): Propagate no_warning flag when + gimplifying. + * gimple (gimple_build_call_from_tree): Likewise. + * tree-cfg.c (remove_useless_stmts_warn_notreached): Check + no_warning flag before warning. + +2009-07-07 Manuel López-Ibáñez <manu@gcc.gnu.org> + + * tree.c (set_expr_locus): Remove. + * tree.h (EXPR_LOCUS,SET_EXPR_LOCUS,set_expr_locus): Remove. + * c-typeck.c (c_finish_stmt_expr): Replace EXPR_LOCUS by + EXPR_LOCATION. + * gimplify.c (internal_get_tmp_var): Likewise. + (gimplify_call_expr): Likewise. + (gimplify_one_sizepos): Likewise. + +2009-07-07 Eric Botcazou <ebotcazou@adacore.com> + + PR debug/40666 + * dbxout.c (dbxout_symbol) <PARM_DECL>: Deal with parameters pointing + to variables for debugging purposes. + +2009-06-23 Mark Loeser <mark@halcy0n.com> + + PR build/40010 + * Makefile.in (gcc.pod): Depend on gcc-vers.texi. + +2009-07-07 Manuel López-Ibáñez <manu@gcc.gnu.org> + + * pretty-print.c (pp_base_format): Remove %J. + * c-format.c (gcc_diag_char_table, gcc_tdiag_char_table, + gcc_cxxdiag_char_table): Likewise. + (init_dynamic_diag_info): Likewise. + +2009-07-07 Manuel López-Ibáñez <manu@gcc.gnu.org> + + * pretty-print.c (pp_base_format): Remove %H. + * c-format.c (gcc_diag_char_table, gcc_tdiag_char_table, + gcc_cxxdiag_char_table): Likewise. + (init_dynamic_diag_info): Likewise. + * config/mep/mep.c (mep_select_section): Likewise. + +2009-07-07 Duncan Sands <baldrick@free.fr> + + * final.c (pass_clean_state): Give the pass a name. + * passes.c (pass_rest_of_compilation): Likewise. + * tree-optimize.c (pass_all_optimizations): Likewise. + +2009-07-07 H.J. Lu <hongjiu.lu@intel.com> + + * config/ia64/ia64.c (ia64_handle_model_attribute): Remove + an extra 'decl' for error_at. + +2009-07-07 Jakub Jelinek <jakub@redhat.com> + + PR middle-end/40669 + * tree-tailcall.c (adjust_return_value_with_ops, + create_tailcall_accumulator): Set DECL_GIMPLE_REG_P on the temporary + if it has complex or vector type. + +2009-07-07 Olivier Hainque <hainque@adacore.com> + + * config/alpha/t-osf4 (SHLIB_LINK): Do not hide the dummy weak + pthread symbols. + +2009-07-07 Basile Starynkevitch <basile@starynkevitch.net> + + * Makefile.in: added more lists of includes to PLUGIN_HEADERS. + +2009-07-07 Manuel López-Ibáñez <manu@gcc.gnu.org> + + * cgraphunit.c: Replace %J by an explicit location. Update all calls. + * c-decl.c: Likewise. + * function.c: Likewise. + * varasm.c: Likewise. + * tree-ssa.c: Likewise. + * c-common.c: Likewise. + * tree-cfg.c: Likewise. + * config/spu/spu.c: Likewise. + * config/ia64/ia64.c: Likewise. + * config/v850/v850.c: Likewise. + +2009-07-06 DJ Delorie <dj@redhat.com> + + * config/mep/mep-core.cpu (fsft, ssarb): Mark as VOLATILE. + * config/mep/mep-ivc2.cpu (many): Add VOLATILE to more insns that make + unspecified accesses to control registers. + * config/mep/intrinsics.md: Regenerate. + * config/mep/intrinsics.h: Regenerate. + * config/mep/mep-intrin.h: Regenerate. + +2009-07-07 Manuel López-Ibáñez <manu@gcc.gnu.org> + + * c-lex.c: Replace %H by an explicit location. Update all calls. + * c-common.c: Likewise. + * c-decl.c: Likewise. + * c-typeck.c: Likewise. + * fold-const.c: Likewise. + * gimplify.c: Likewise. + * stmt.c: Likewise. + * tree-cfg.c: Likewise. + * tree-ssa-loop-niter.c: Likewise. + * tree-vrp.c: Likewise. + * value-prof.c: Likewise. + +2009-07-06 Diego Novillo <dnovillo@google.com> + + * tree-dfa.c (dump_variable): Write DECL_INITIAL for VAR + if it has one. Handle cases where VAR does not have an + annotation or cfun is NULL. + +2009-07-06 Diego Novillo <dnovillo@google.com> + + * tree.c: Include debug.h. + (initialize_tree_contains_struct): New. + (init_ttree): Call it. + (tree_node_structure_for_code): Factor out of ... + (tree_node_structure): ... here. + * treestruct.def (TS_PHI_NODE): Remove. + (TS_GIMPLE_STATEMENT): Remove. + +2009-07-06 Diego Novillo <dnovillo@google.com> + + * tree-pretty-print.c (dump_generic_node): Protect against NULL op0. + (debug_tree_chain): Handle cycles. + +2009-07-06 Nick Clifton <nickc@redhat.com> + DJ Delorie <dj@redhat.com> + + * config.sh/lib1funcs.h (FMOVD_WORKS): Only define if + __FMOVD_ENABLED__ is defined. + * config/sh/sh.h + (TARGET_FMOVD): Provide a default definition. + (MASK_FMOVD): Likewise. + (TARGET_CPU_CPP_BUILTINS): Define + __FMOVD_ENABLED__ if TARGET_FMOVD is true. + * config/sh/sh.md (movdf_i4): For alternative 0 use either one or + two fmov instructions depending upon whether TARGET_FMOVD is enabled. + (split for DF load from memory into register): Also handle + MEMs which consist of REG+DISP addressing. + (split for DF store from register to memory): Likewise. + (movsf_ie): Always use single fp_mode. + * config/sh/sh.c (sh_override_options): Do not automatically + enable TARGET_MOVD for the SH2A when supporting doubles - leave + that to the -mfmovd command line switch. + (broken_move): Do not restrict fldi test to only the SH4 and SH4A. + (fldi_ok): Always allow. + * config/sh/sh.opt (mfmovd): Remove this switch. + * doc/invoke.texi (-mfmovd): Remove documentation of this switch. + +2009-07-06 J"orn Rennecke <joern.rennecke@arc.com> + Kaz Kojima <kkojima@gcc.gnu.org> + + PR rtl-optimization/30807 + * postreload.c (reload_combine): For every new use of REG_SUM, + record the use of BASE. + +2009-07-06 Jan Hubicka <jh@suse.cz> + + * params.def: Revert my accidental commit at 2009-06-30. + +2009-07-04 Ian Lance Taylor <iant@google.com> + + PR target/40636 + * config/i386/msformat-c.c (mingw_format_attributes): Declare as + EXPORTED_CONST. + (mingw_format_attribute_overrides): Likewise. + +2009-07-04 Jakub Jelinek <jakub@redhat.com> + + PR debug/40596 + * dwarf2out.c (based_loc_descr): For crtl->stack_realign_tried + don't check cfa.reg. Instead of cfa.indirect use + fde && fde->drap_reg != INVALID_REGNUM test. + +2009-07-04 Eric Botcazou <ebotcazou@adacore.com> + + * postreload.c (reload_combine): Replace CONST_REG with INDEX_REG. + +2009-07-03 Vladimir Makarov <vmakarov@redhat.com> + + PR target/40587 + * ira.c (build_insn_chain): Use DF_LR_OUT instead of df_get_live_out. + +2009-07-03 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/40640 + * tree-switch-conversion.c (build_arrays): Perform arithmetic + in original type. + +2009-07-03 Jan Hubicka <jh@suse.cz> + + * ipa-inline.c (cgraph_decide_inlining_incrementally): When optimizing + for size, reduce amount of inlining. + +2009-07-03 Richard Guenther <rguenther@suse.de> + + PR middle-end/34163 + * tree-chrec.c (chrec_convert_1): Fold (T2)(t +- x) to (T2)t +- (T2)x + if t +- x is known to not overflow and the conversion widens the + operation. + * Makefile.in (tree-chrec.o): Add $(FLAGS_H) dependency. + +2009-07-03 Jan Hubicka <jh@suse.cz> + + * ipa-pure-const.c (analyze): Update loop optimizer init. + * tree-ssa-loop-iv-canon.c (empty_loop_p, remove_empty_loop, + try_remove_empty_loop, remove_empty_loops): Remove. + * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): Remove. + * tree-ssa-dce.c (find_obviously_necessary_stmts): Use finiteness info + to mark regular loops as neccesary. + (degenerate_phi_p): New function. + (propagate_necessity, remove_dead_phis): Use it. + (forward_edge_to_pdom): Likewise. + (eliminate_unnecessary_stmts): Take care to remove uses of results of + virtual PHI nodes that became unreachable. + (perform_tree_ssa_dce): Initialize/deinitialize loop optimizer. + * tree-flow.h (remove_empty_loops): Remove. + * passes.c (init_optimization_passes): Remove. + +2009-07-03 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1): Use + can_create_pseudo_p. + (*fix_trunc<mode>_i387_1): Ditto. + (*floathi<mode>2_1): Ditto. + (*float<SSEMODEI24:mode><X87MODEF:mode>2_1): Ditto. + (*fistdi2_1): Ditto. + (*fist<mode>2_1): Ditto. + (frndintxf2_floor): Ditto. + (*fist<mode>2_floor_1): Ditto. + (frndintxf2_ceil): Ditto. + (*fist<mode>2_ceil_1): Ditto. + (frndintxf2_trunc): Ditto. + (frndintxf2_mask_pm): Ditto. + (fxam<mode>2_i387_with_temp): Ditto. + * config/i386/sse.md (mulv16qi3): Ditto. + (*sse2_mulv4si3): Ditto. + (mulv2di3): Ditto. + (sse4_2_pcmpestr): Ditto. + (sse4_2_pcmpistr): Ditto. + +2009-07-03 Jan Hubicka <jh@suse.cz> + + * tree-ssa-dce.c (bb_contains_live_stmts): New bitmap. + (mark_stmt_necessary): Set it. + (mark_operand_necessary): Set it. + (mark_control_dependent_edges_necessary): Set it. + (mark_virtual_phi_result_for_renaming): New function. + (get_live_post_dom): New function. + (forward_edge_to_pdom): New function. + (remove_dead_stmt): Fix handling of control dependences. + (tree_dce_init): Init new bitmap. + (tree_dce_done): Free it. + +2009-07-02 Richard Guenther <rguenther@suse.de> + + PR bootstrap/40617 + * tree-ssa-structalias.c (new_var_info): Initialize + is_restrict_var. + +2009-07-02 Jan Hubicka <jh@suse.cz> + + * ipa-pure-const.c (check_op): Use PTA info to see if indirect_ref is + local. + +2009-07-02 Paolo Bonzini <bonzini@gnu.org> + + * expmed.c (emit_cstore, emit_store_flag_1): Accept target_mode + instead of recomputing it. Adjust calls. + (emit_store_flag): Adjust recursive calls. + +2009-07-02 Richard Guenther <rguenther@suse.de> + + * tree-ssa-live.c (remove_unused_locals): Do not remove + heap variables. + * tree-ssa-structalias.c (handle_lhs_call): Delay setting + of DECL_EXTERNAL for HEAP variables. + (compute_points_to_sets): Set DECL_EXTERNAL for escaped + HEAP variables. Do not adjust RESTRICT vars. + (find_what_var_points_to): Nobody cares if something + points to READONLY. + +2009-07-02 Ben Elliston <bje@au.ibm.com> + + * unwind-dw2-fde-glibc.c (_Unwind_IteratePhdrCallback): Move + pc_low and pc_high declarations to the top of the function. + +2009-07-01 DJ Delorie <dj@redhat.com> + + * config/mep/mep.c (mep_handle_option): Leave IVC2 control + registers as fixed. + (mep_interrupt_saved_reg): Save appropriate IVC2 control registers. + * config/mep/mep-ivc2.cpu: Add VOLATILE to insns that make + unspecified accesses to control registers. + * config/mep/intrinsics.md: Regenerate. + * config/mep/intrinsics.h: Regenerate. + * config/mep/mep-intrin.h: Regenerate. + +2009-07-01 Anthony Green <green@moxielogic.com> + + * config/moxie/moxie.c (moxie_expand_prologue): Use dec + instruction when possible. + (moxie_expand_prologue): Ditto. Also, save an instruction and + some complexity by popping off of $r12 instead of $sp. + * config/moxie/moxie.md (movsi_pop): Don't assume $sp. Take two + operands. + +2009-07-01 Richard Henderson <rth@redhat.com> + + PR bootstrap/40347 + * function.c (reposition_prologue_and_epilogue_notes): If epilogue + contained no insns, reposition note before last insn. + +2009-07-01 Richard Henderson <rth@redhat.com> + + PR debug/40431 + * dwarf2out.c (def_cfa_1): Revert 2009-06-11 change for + DW_CFA_def_cfa_offset and DW_CFA_def_cfa. + +2009-07-01 Michael Meissner <meissner@linux.vnet.ibm.com> + + PR bootstrap/40558 + * config/rs6000/rs6000.c (print_operand): Undo change that breaks + darwin9 for printing reg addresses with %y. + +2009-07-01 Adam Nemet <anemet@caviumnetworks.com> + + * combine.c (force_to_mode): Handle TRUNCATE. Factor out + truncation from operands in binary operations. + +2009-07-01 Adam Nemet <anemet@caviumnetworks.com> + + Revert: + 2009-01-11 Adam Nemet <anemet@caviumnetworks.com> + * expmed.c (store_bit_field_1): Properly truncate the paradoxical + subreg of op0 to the original op0. + + * expmed.c (store_bit_field_1): Use a temporary as the destination + instead of a paradoxical subreg when we need to truncate the result. + +2009-07-01 DJ Delorie <dj@redhat.com> + + * config/mep/mep-ivc2.cpu (cmov, cmovc, cmovh): Add intrinsic + names to VLIW variants. + (ivc2rm, ivc2crn): Make data type consistent with non-VLIW variants. + * config/mep/intrinsics.md: Regenerate. + * config/mep/intrinsics.h: Regenerate. + * config/mep/mep-intrin.h: Regenerate. + +2009-07-01 Jakub Jelinek <jakub@redhat.com> + + PR debug/40462 + * jump.c (returnjump_p): Revert last patch. + * dwarf2out.c (dwarf2out_begin_epilogue): Handle SEQUENCEs. + +2009-07-01 John David Anglin <dave.anglin@nrc-cnrc.gc.ca> + + PR target/40575 + * pa.md (casesi32p): Use jump table label to determine the offset + of the jump table. + (casesi64p): Likewise. + + * pa.c (forward_branch_p): Return bool type. Use instruction + addresses when available. Assert that INSN has a jump label. + (pa_adjust_insn_length): Don't call forward_branch_p if INSN doesn't + have a jump label. + +2009-07-01 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/19831 + * tree-ssa-dce.c (propagate_necessity): Calls to functions + that only act as barriers do not make any previous stores necessary. + * tree-ssa-structalias.c (handle_lhs_call): Delay making + HEAP variables global, do not add a constraint from nonlocal. + (find_func_aliases): Handle escapes through return statements. + (compute_points_to_sets): Make escaped HEAP variables global. + +2009-07-01 Paolo Bonzini <bonzini@gnu.org> + + PR bootstrap/40597 + * expmed.c (emit_store_flag): Perform a conversion if necessary, + after reducing a DImode cstore to SImode. + +2009-07-01 Paolo Bonzini <bonzini@gnu.org> + + * expr.c (expand_expr_real_1): Reinstate fallthrough to + TRUTH_ANDIF_EXPR if do_store_flag returns NULL. + +2009-07-01 Maciej W. Rozycki <macro@linux-mips.org> + + * config/vax/vax.h (TARGET_BSD_DIVMOD): New macro. Set to 1. + * config/vax/linux.h (TARGET_BSD_DIVMOD): New macro. Redefine the + to 0. + * config/vax/vax.c (vax_init_libfuncs): Only redefine udiv_optab + and umod_optab if TARGET_BSD_DIVMOD. + * config/vax/lib1funcs.asm: New file. + * config/vax/t-linux: New file. + * config.gcc (vax-*-linux*): Set tmake_file to vax/t-linux. + +2009-06-30 Jakub Jelinek <jakub@redhat.com> + + PR c++/40566 + * convert.c (convert_to_integer) <case COND_EXPR>: Don't convert + to type arguments that have void type. + + PR debug/40573 + * dwarf2out.c (gen_formal_parameter_die): Call + equate_decl_number_to_die if node is different from origin. + +2009-06-30 Anthony Green <green@moxielogic.com> + + Clean up moxie port for --enable-build-with-cxx. + * config/moxie/moxie.c (moxie_function_value): First two + parameters are const_tree, not tree. + * config/moxie/moxie.h (enum reg_class): Rename CC_REG to CC_REGS. + (REG_CLASS_NAMES): Ditto. + (REGNO_REG_CLASS): Ditto. + * config/moxie/moxie-protos.h (moxie_override_options): Declare. + (moxie_function_value): Fix constyness of arguments. + +2009-06-30 Eric Botcazou <ebotcazou@adacore.com> + + * cgraphunit.c (cgraph_finalize_compilation_unit): Call + finalize_size_functions before further processing. + * stor-layout.c: Include cgraph.h, tree-inline.h and tree-dump.h. + (variable_size): Call self_referential_size on size expressions + that contain a PLACEHOLDER_EXPR. + (size_functions): New static variable. + (copy_self_referential_tree_r): New static function. + (self_referential_size): Likewise. + (finalize_size_functions): New global function. + * tree.c: Include tree-inline.h. + (push_without_duplicates): New static function. + (find_placeholder_in_expr): New global function. + (substitute_in_expr) <tcc_declaration>: Return the replacement object + on equality. + <tcc_expression>: Likewise. + <tcc_vl_exp>: If the replacement object is a constant, try to inline + the call in the expression. + * tree.h (finalize_size_functions): Declare. + (find_placeholder_in_expr): Likewise. + (FIND_PLACEHOLDER_IN_EXPR): New macro. + (substitute_placeholder_in_expr): Update comment. + * tree-inline.c (remap_decl): Do not unshare trees if do_not_unshare + is true. + (copy_tree_body_r): Likewise. + (copy_tree_body): New static function. + (maybe_inline_call_in_expr): New global function. + * tree-inline.h (struct copy_body_data): Add do_not_unshare field. + (maybe_inline_call_in_expr): Declare. + * Makefile.in (tree.o): Depend on TREE_INLINE_H. + (stor-layout.o): Depend on CGRAPH_H, TREE_INLINE_H, TREE_DUMP_H and + GIMPLE_H. + +2009-06-30 Richard Guenther <rguenther@suse.de> + + * tree-ssa-dce.c (mark_all_reaching_defs_necessary_1): Always + continue walking. + (propagate_necessity): Do not mark reaching defs of stores + as necessary. + +2009-06-30 Jan Hubicka <jh@suse.cz> + + * cfgloopanal.c (check_irred): Move into ... + (mark_irreducible_loops): ... here; return true if ireducible + loops was found. + * ipa-pure-const.c: Include cfgloop.h and tree-scalar-evolution.h + (analyze_function): Try to prove loop finiteness. + * cfgloop.h (mark_irreducible_loops): Update prototype. + * Makefile.in (ipa-pure-const.o): Add dependency on SCEV and CFGLOOP. + +2009-06-30 Basile Starynkevitch <basile@starynkevitch.net> + + * Makefile.in (PLUGIN_HEADERS): added ggc, tree-dump, pretty-print. + +2009-06-30 Ira Rosen <irar@il.ibm.com> + + PR tree-optimization/40542 + * tree-vect-stmts.c (vect_analyze_stmt): Don't vectorize volatile + types. + +2009-06-30 Martin Jambor <mjambor@suse.cz> + + PR tree-optimization/40582 + * tree-sra.c (build_ref_for_offset_1): Use types_compatible_p rather + than useless_type_conversion_p. + (generate_subtree_copies): Increment sra_stats.subtree_copies at a + proper place. + +2009-06-30 Martin Jambor <mjambor@suse.cz> + + PR middle-end/40554 + * tree-sra.c (sra_modify_expr): Add access->offset to start_offset. + +2009-06-30 Richard Guenther <rguenther@suse.de> + + * tree-ssa-alias.c (walk_aliased_vdefs_1): Change interface to + use ao_ref references. + (walk_aliased_vdefs): Likewise. + * tree-ssa-alias.h (walk_aliased_vdefs): Adjust prototype. + * tree-ssa-dce.c (struct ref_data): Remove. + (mark_aliased_reaching_defs_necessary_1): Use the ao_ref argument. + (mark_aliased_reaching_defs_necessary): Adjust. + (mark_all_reaching_defs_necessary_1): Likewise. + +2009-06-30 Paolo Bonzini <bonzini@gnu.org> + + PR boostrap/40597 + * expmed.c (emit_cstore): New name of emit_store_flag_1. + (emit_store_flag_1): Extract from emit_store_flag, adjust + calls to (what now is) emit_cstore. + (emit_store_flag): Call emit_store_flag_1 and also use it + for what used to be recursive calls. + +2009-06-30 Wei Guozhi <carrot@google.com> + + PR/40416 + * tree-ssa-sink.c (statement_sink_location): Stop sinking expression + if the target bb post dominates from bb. + * config/i386/i386.c (memory_address_length): Check existence of base + register before using it. + +2009-06-30 Nick Clifton <nickc@redhat.com> + DJ Delorie <dj@redhat.com> + + * config.sh/lib1funcs.h (FMOVD_WORKS): Only define if + __FMOVD_ENABLED__ is defined. + * config/sh/sh.h + (TARGET_FMOVD): Provide a default definition. + (MASK_FMOVD): Likewise. + (TARGET_CPU_CPP_BUILTINS): Define + __FMOVD_ENABLED__ if TARGET_FMOVD is true. + * config/sh/sh.md (movdf_i4): For alternative 0 use either one or + two fmov instructions depending upon whether TARGET_FMOVD is + enabled. + (split for DF load from memory into register): Also handle + MEMs which consist of REG+DISP addressing. + (split for DF store from register to memory): Likewise. + * config/sh/sh.opt (mfmovd): Remove this switch. + * doc/invoke.texi (-mfmovd): Remove documentation of this switch. + * config/sh/sh.c (sh_override_options): Do not automatically + enable TARGET_MOVD for the SH2A when supporting doubles - leave + that to the -mfmovd command line switch. + + * config/sh/sh.c (broken_move): Do not restrict fldi test to only + the SH4 and SH4A. + (fldi_ok): Always allow. + * config/sh/sh.md (movsf_ie): Always use single fp_mode. + +2009-06-29 DJ Delorie <dj@redhat.com> + + * doc/install.texi (mep-x-elf): Correct chip's full name. + +2009-06-29 H.J. Lu <hongjiu.lu@intel.com> + + * doc/extend.texi: Fix typo. + +2009-06-29 Tom Tromey <tromey@redhat.com> + + * dwarf2.h: Remove. + * Makefile.in (DWARF2_H): New variable. + (except.o): Use it. + (dwarf2out.o): Likewise. + (dwarf2asm.o): Likewise. + * config/i386/t-i386: Use DWARF2_H. + * except.c: Include elf/dwarf2.h. + * unwind-dw2.c: Include elf/dwarf2.h. + * dwarf2out.c: Include elf/dwarf2.h. + (dw_loc_descr_struct) <dw_loc_opc>: Now a bitfield. + <dtprel>: New field. + (dwarf_stack_op_name): Don't handle INTERNAL_DW_OP_tls_addr. + (size_of_loc_descr): Likewise. + (output_loc_operands_raw): Likewise. + (output_loc_operands): Handle new dtprel field. + (loc_checksum): Update. + (loc_descriptor_from_tree_1) <VAR_DDECL>: Set dtprel field. + * unwind-dw2-fde-glibc.c: Include elf/dwarf2.h. + * unwind-dw2-fde.c: Include elf/dwarf2.h. + * dwarf2asm.c: Include elf/dwarf2.h. + * unwind-dw2-fde-darwin.c: Include elf/dwarf2.h. + * config/mmix/mmix.c: Include elf/dwarf2.h. + * config/rs6000/darwin-fallback.c: Include elf/dwarf2.h. + * config/xtensa/unwind-dw2-xtensa.c: Include elf/dwarf2.h. + * config/sh/sh.c: Include elf/dwarf2.h. + * config/i386/i386.c: Include elf/dwarf2.h. + +2009-06-29 DJ Delorie <dj@redhat.com> + + * config/mep/mep.h (CPP_SPEC): Remove __cop macro. + + * doc/extend.texi: Add MeP attributes and pragmas. + * doc/invoke.text: Add MeP Options. + * doc/contrib.texi: Add MeP contribution. + * doc/md.texi: Add MeP constraints. + * doc/install.texi: Add MeP target. + +2009-06-30 Anatoly Sokolov <aesok@post.ru> + + * target.h (struct gcc_target): Add frame_pointer_required field. + * target-def.h (TARGET_FRAME_POINTER_REQUIRED): New. + (TARGET_INITIALIZER): Use TARGET_FRAME_POINTER_REQUIRED. + * ira.c (setup_eliminable_regset): Use frame_pointer_required target + hook. + * reload1.c (update_eliminables): (Ditto.). + * gcc/system.h (FRAME_POINTER_REQUIRED): Poison. + * doc/tm.texi (FRAME_POINTER_REQUIRED): Revise documentation. + (INITIAL_FRAME_POINTER_OFFSET): (Ditto.). + + * config/arc/arc.h (FRAME_POINTER_REQUIRED): Remove macro. + + * config/arm/arm.h (FRAME_POINTER_REQUIRED): Remove macro. + * config/arm/arm.c (TARGET_FRAME_POINTER_REQUIRED): Define. + (arm_frame_pointer_required): New function. + + * config/avr/avr.h (FRAME_POINTER_REQUIRED): Remove macro. + * config/avr/avr.c (TARGET_FRAME_POINTER_REQUIRED): Define macro. + (avr_frame_pointer_required_p): Declare as static. + * config/avr/avr-protos.h (avr_frame_pointer_required_p): Remove. + + * config/bfin/bfin.h (FRAME_POINTER_REQUIRED): Remove macro. + * config/bfin/bfin.c (TARGET_FRAME_POINTER_REQUIRED): Define. + (bfin_frame_pointer_required): Make as static, change return type + to bool. + * config/bfin/bfin-protos.h (bfin_frame_pointer_required): Remove. + + * config/cris/cris.h (FRAME_POINTER_REQUIRED): Remove macro. + * config/cris/cris.c (TARGET_FRAME_POINTER_REQUIRED): Define macro. + (cris_frame_pointer_required): New function. + + * config/crx/crx.h (FRAME_POINTER_REQUIRED): Remove macro. + + * config/fr30/fr30.h (FRAME_POINTER_REQUIRED): Remove macro. + * config/fr30/fr30.c (TARGET_FRAME_POINTER_REQUIRED): Define macro. + (fr30_frame_pointer_required): New function. + + * config/frv/frv.h (FRAME_POINTER_REQUIRED): Remove macro. + * config/frv/frv.c (TARGET_FRAME_POINTER_REQUIRED): Define. + (frv_frame_pointer_required): Make as static, change return type + to bool. + * config/bfin/bfin-protos.h (frv_frame_pointer_required): Remove. + + * config/i386/i386.h (FRAME_POINTER_REQUIRED): Remove macro. + * config/i386/i386.c (TARGET_FRAME_POINTER_REQUIRED): Define macro. + (ix86_frame_pointer_required): Make as static, change return type to + bool. + * config/i386/i386-protos.h (ix86_frame_pointer_required): Remove. + + * config/m32c/m32c.h (FRAME_POINTER_REQUIRED): Remove macro. + * config/m32c/m32c.c (TARGET_FRAME_POINTER_REQUIRED): Define macro. + + * config/m32r/m32r.h (FRAME_POINTER_REQUIRED): Remove macro. + + * config/mcore/mcore.h (CAN_ELIMINATE): Remove macro. + + * config/mep/mep.h (FRAME_POINTER_REQUIRED): Remove macro. + + * config/mips/mips.h (FRAME_POINTER_REQUIRED): Remove macro. + * config/mips/mips.c (TARGET_FRAME_POINTER_REQUIRED): Define macro. + (mips_frame_pointer_required): Make as static. + * config/mips/mips-protos.h (mips_frame_pointer_required): Remove. + + * config/mmix/mmix.h (FRAME_POINTER_REQUIRED): Remove macro. + * config/mmix/mmix.c (TARGET_FRAME_POINTER_REQUIRED): Define macro. + (mmix_frame_pointer_required): Mew function. + + * config/moxie/moxie.h (FRAME_POINTER_REQUIRED): Remove macro. + * config/moxie/moxie.c (TARGET_FRAME_POINTER_REQUIRED): Define macro. + + * config/pa/pa.h (FRAME_POINTER_REQUIRED): Remove macro. + + * config/score/score.h (FRAME_POINTER_REQUIRED): Remove macro. + + * config/sh/sh.h (CAN_ELIMINATE): Remove macro. + + * config/sparc/sparc.h (FRAME_POINTER_REQUIRED): Remove macro. + (CAN_ELIMINATE): Redefine. + * config/sparc/sparc.c (TARGET_FRAME_POINTER_REQUIRED): Define macro. + (sparc_frame_pointer_required): New function. + (sparc_can_eliminate): New function. + * config/sparc/sparc-protos.h (sparc_can_eliminate): Declare. + + * config/vax/vax.h (FRAME_POINTER_REQUIRED): Remove macro. + * config/vax/vax.c (TARGET_FRAME_POINTER_REQUIRED): Define. + + * config/xtensa/xtensa.h (FRAME_POINTER_REQUIRED): Remove macro. + * config/xtensa/xtensa.c (TARGET_FRAME_POINTER_REQUIRED): Define. + (xtensa_frame_pointer_required): Make as static, change return type + to bool. + * config/xtensa/xtensa-protos.h (xtensa_frame_pointer_required): + Remove. + +2009-06-29 Olatunji Ruwase <tjruwase@google.com> + + * doc/plugins.texi: Document PLUGIN_START_UNIT. + * toplev.c (compile_file): Call PLUGIN_START_UNIT. + * gcc-plugin.h (PLUGIN_START_UNIT): Added new event. + * plugin.c (plugin_event_name): Added PLUGIN_START_UNIT. + (register_callback): Handle PLUGIN_START_UNIT. + (invoke_plugin_callbacks): Handle PLUGIN_START_UNIT. + +2009-06-29 Eric Botcazou <ebotcazou@adacore.com> + + * tree.c (process_call_operands): Propagate TREE_READONLY from the + operands. + (PROCESS_ARG): Do not clear TREE_READONLY if CONSTANT_CLASS_P. + (build3_stat): Propagate TREE_READONLY for COND_EXPR. + +2009-06-29 Daniel Jacobowitz <dan@codesourcery.com> + + * config/arm/arm.h (REGISTER_MOVE_COST): Increase VFP register + move cost. + +2009-06-29 Uros Bizjak <ubizjak@gmail.com> + + * doc/extend.texi (Additional Floating Types): __float128 is also + supported on i386 targets. + +2009-06-29 Richard Guenther <rguenther@suse.de> + + PR middle-end/14187 + * tree-ssa-alias.h (struct pt_solution): Add vars_contains_restrict + flag. + (pt_solutions_same_restrict_base): Declare. + * tree-ssa-structalias.c (struct variable_info): Add is_restrict_var + flag. + (new_var_info): Initialize is_global_var properly for SSA_NAMEs. + (make_constraint_from, make_copy_constraint): Move earlier. + (make_constraint_from_heapvar): New function. + (make_constraint_from_restrict): Likewise. + (handle_lhs_call): Use it. + (find_func_aliases): Use it to track conversions to restrict + qualified pointers. + (struct fieldoff): Add only_restrict_pointers flag. + (push_fields_onto_fieldstack): Initialize it. + (create_variable_info_for): Track global restrict qualified pointers. + (intra_create_variable_infos): Use make_constraint_from_heapvar. + Track restrict qualified pointer arguments. + (set_uids_in_ptset): Use varinfo is_global_var flag. + (find_what_var_points_to): Set the vars_contains_restrict flag. + Always create the points-to solution for sets including restrict tags. + (pt_solutions_same_restrict_base): New function. + * tree-ssa-alias.c (ptr_derefs_may_alias_p): For two restrict + qualified pointers use pt_solutions_same_restrict_base as + additional source for disambiguation. + +2009-06-29 Richard Guenther <rguenther@suse.de> + + PR middle-end/38212 + * alias.c (find_base_decl): Remove. + (get_deref_alias_set_1): Remove restrict handling. + * c-common.c (c_apply_type_quals_to_decl): Do not set + DECL_POINTER_ALIAS_SET. + * gimplify.c (find_single_pointer_decl_1): Remove. + (find_single_pointer_decl): Likewise. + (internal_get_tmp_var): Remove restrict handling. + (gimple_regimplify_operands): Likewise. + * omp-low.c (expand_omp_atomic_pipeline): Do not set + DECL_POINTER_ALIAS_SET. Use ref-all pointers. + * print-tree.c (print_node): Do not print DECL_POINTER_ALIAS_SET. + * tree.c (restrict_base_for_decl): Remove. + (init_ttree): Do not allocate it. + (make_node_stat): Do not set DECL_POINTER_ALIAS_SET. Set + LABEL_DECL_UID for label decls. + (copy_node_stat): Do not copy restrict information. + (decl_restrict_base_lookup): Remove. + (decl_restrict_base_insert): Likewise. + (print_restrict_base_statistics): Likewise. + (dump_tree_statistics): Do not call print_restrict_base_statistics. + * tree.h (DECL_POINTER_ALIAS_SET): Remove. + (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise. + (struct tree_decl_common): Rename pointer_alias_set to label_decl_uid. + (LABEL_DECL_UID): Adjust. + (DECL_BASED_ON_RESTRICT_P): Remove. + (DECL_GET_RESTRICT_BASE): Likewise. + (SET_DECL_RESTRICT_BASE): Likewise. + (struct tree_decl_with_vis): Remove based_on_restrict_p flag. + + * config/i386/i386.c (ix86_gimplify_va_arg): Use ref-all pointers + instead of DECL_POINTER_ALIAS_SET. + * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise. + * config/s390/s390.c (s390_gimplify_va_arg): Likewise. + * config/spu/spu.c (spu_gimplify_va_arg_expr): Likewise. + +2009-06-29 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/40579 + * tree-vrp.c (vrp_evaluate_conditional): Bail out early if + the IL to simplify has constants that overflowed. + +2009-06-28 Uros Bizjak <ubizjak@gmail.com> + + PR tree-optimization/40550 + * tree-vect-generic.c (expand_vector_operations_1): Compute in + vector_compute_type only when the size of vector_compute_type is + less than the size of type. + +2009-06-28 Eric Botcazou <ebotcazou@adacore.com> + + * fold-const.c (contains_label_1): Fix comments. + (contains_label_p): Do not walk trees multiple time. + +2009-06-28 Paolo Bonzini <bonzini@gnu.org> + + * config/i386/i386.h (enum ix86_fpcmp_strategy): New. + * config/i386/i386.md (cbranchxf4, cstorexf4, cbranch<MODEF>4, + cstore<MODEF>4, mov<X87MODEF>cc): Change predicate to + ix86_fp_comparison_operator. + (*fp_jcc_1_mixed, *fp_jcc_1_sse, *fp_jcc_1_387, *fp_jcc_2_mixed, + *fp_jcc_2_sse, *fp_jcc_2_387): Delete + (*fp_jcc_3_387, *fp_jcc_4_387, *fp_jcc_5_387, *fp_jcc_6_387, + *fp_jcc_7_387, *fp_jcc_8<MODEF>_387): Eliminate call to + !ix86_use_fcomi_compare, change ix86_fp_jump_nontrivial_p call + to !TARGET_CMOVE, change predicate to ix86_fp_comparison_operator. + (related splits): Change predicate to ix86_fp_comparison_operator. + * config/i386/predicates.md: Use ix86_trivial_fp_comparison_operator + instead of ix86_fp_comparison_codes. + (ix86_trivial_fp_comparison_operator, + ix86_fp_comparison_operator): New. + * config/i386/i386-protos.h (ix86_fp_comparison_strategy): New. + (ix86_expand_compare): Eliminate last two parameters. + (ix86_fp_jump_nontrivial_p): Kill. + * config/i386/i386.c (put_condition_code): Eliminate call to + ix86_fp_comparison_codes and subsequent assertion. + (ix86_fp_comparison_codes): Eliminate. + (ix86_fp_swap_condition): New. + (ix86_fp_comparison_arithmetics_cost, ix86_fp_comparison_fcomi_cost, + ix86_fp_comparison_sahf_cost, ix86_use_fcomi_compare): Consolidate + into ix86_fp_comparison_cost and ix86_fp_comparison_strategy. + (ix86_prepare_fp_compare_args): Use ix86_fp_comparison_strategy + and ix86_fp_swap_condition. + (ix86_expand_fp_compare): Eliminate code for second jump/bypass jump. + Use ix86_fp_comparison_strategy. + (ix86_expand_compare): Likewise. Eliminate last two arguments. + (ix86_fp_jump_nontrivial_p): Eliminate. + (ix86_expand_branch): Treat SFmode/DFmode/XFmode as simple. Adjust + call to ix86_expand_compare. + (ix86_split_fp_branch, ix86_expand_setcc, + ix86_expand_carry_flag_compare, ix86_expand_int_movcc, + ix86_expand_fp_movcc): Eliminate code for second jump/bypass jump. + +2009-06-28 Paolo Bonzini <bonzini@gnu.org> + + * config/arm/arm.c (arm_final_prescan_ins): Eliminate code + related to jump_clobbers. + * config/arm/arm.md (conds): Remove jump_clob case. + (addsi3_cbranch, addsi3_cbranch_scratch, subsi3_cbranch, two + splits): Change comparison_operator to arm_comparison_operator. + (*arm_buneq, *arm_bltgt, *arm_buneq_reversed, *arm_bltgt_reversed): + Eliminate. + +2009-06-28 Paolo Bonzini <bonzini@gnu.org> + + * dojump.c (do_compare_rtx_and_jump): Try swapping the + condition for floating point modes. + * expmed.c (emit_store_flag_1): Move here a bigger part + of emit_store_flag. + (emit_store_flag): Try swapping the condition for floating point + modes. + * optabs.c (emit_cmp_and_jump_insns): Cope with constant op0 better. + +2009-06-28 Paolo Bonzini <bonzini@gnu.org> + + * expr.c (expand_expr_real_1): Just use do_store_flag. + (do_store_flag): Drop support for TRUTH_NOT_EXPR. Use + emit_store_flag_force. + * expmed.c (emit_store_flag_force): Copy here trick + previously in expand_expr_real_1. Try reversing the comparison. + (emit_store_flag_1): Work if target is NULL. + (emit_store_flag): Work if target is NULL, using the result mode + from the comparison. Use split_comparison, restructure final part + to simplify conditionals. + +2009-06-28 Paolo Bonzini <bonzini@gnu.org> + + * builtins.c (expand_errno_check): Use do_compare_rtx_and_jump. + * dojump.c (do_jump): Change handling of floating-point + ops to use just do_compare_and_jump. + (split_comparison): New. + (do_compare_rtx_and_jump): Add here logic coming previously + in do_jump, using split_comparison. + +2009-06-27 H.J. Lu <hongjiu.lu@intel.com> + + PR target/40489 + * config/ia64/ia64.c (ia64_reorg): Check NULL insn. + +2009-06-27 Paolo Bonzini <bonzini@gnu.org> + + * tree-ssa-alias.c: Fix unintentional commit. + +2009-06-27 Paolo Bonzini <bonzini@gnu.org> + + * passes.c (execute_one_pass): Fix unintentional commit. + +2009-06-27 Paolo Bonzini <bonzini@gnu.org> + + * df-problems.c (df_set_seen, df_unset_seen): Delete. + (df_rd_local_compute, df_md_local_compute): Inline them. + + (df_md_scratch): New. + (df_md_alloc, df_md_free): Allocate/free it. + (df_md_local_compute): Only include live registers in init. + (df_md_transfer_function): Prune the in-set computed by + the confluence function, and the gen-set too. + +2009-06-27 Paolo Bonzini <bonzini@gnu.org> + + PR rtl-optimization/26854 + * timevar.def: Remove TV_DF_RU, add TV_DF_MD. + * df-problems.c (df_rd_add_problem): Fix comment. + (df_md_set_bb_info, df_md_free_bb_info, df_md_alloc, + df_md_simulate_artificial_defs_at_top, + df_md_simulate_one_insn, df_md_bb_local_compute_process_def, + df_md_bb_local_compute, df_md_local_compute, df_md_reset, + df_md_transfer_function, df_md_init, df_md_confluence_0, + df_md_confluence_n, df_md_free, df_md_top_dump, df_md_bottom_dump, + problem_MD, df_md_add_problem): New. + * df.h (DF_MD, DF_MD_BB_INFO, struct df_md_bb_info, df_md, + df_md_get_bb_info): New. + (DF_LAST_PROBLEM_PLUS1): Adjust. + + * Makefile.in (fwprop.o): Include domwalk.h. + * fwprop.c: Include domwalk.h. + (reg_defs, reg_defs_stack): New. + (bitmap_only_bit_between): Remove. + (process_defs): New. + (process_uses): Use reg_defs and local_md instead of + bitmap_only_bit_between and local_rd. + (single_def_use_enter_block): New, from build_single_def_use_links. + (single_def_use_leave_block): New. + (build_single_def_use_links): Remove code moved to + single_def_use_enter_block, invoke domwalk. + (use_killed_between): Adjust comment. + +2009-06-27 Paolo Bonzini <bonzini@gnu.org> + + * bitmap.h (bitmap_ior_and_into): New. + * bitmap.c (bitmap_ior_and_into): New. + +2009-06-27 Paolo Bonzini <bonzini@gnu.org> + + * domwalk.h (struct dom_walk_data): Remove all callbacks except + before_dom_children_before_stmts and after_dom_children_after_stmts. + Rename the two remaining callbacks to just before_dom_children and + after_dom_children. Remove other GIMPLE statement walking bits. + * domwalk.c (walk_dominator_tree): Remove now unsupported features. + * graphite.c: Do not include domwalk.h. + * tree-into-ssa.c (interesting_blocks): New global. + (struct mark_def_sites_global_data): Remove it and names_to_rename. + (mark_def_sites, rewrite_stmt, rewrite_add_phi_arguments, + rewrite_update_stmt, rewrite_update_phi_arguments): Simplify + now that they're not domwalk callbacks. + (rewrite_initialize_block): Rename to... + (rewrite_enter_block): ... this, place after called functions. Test + interesting_blocks, call rewrite_stmt and rewrite_add_phi_arguments. + (rewrite_finalize_block): Rename to... + (rewrite_leave_block): ... this, place after called functions. + (rewrite_update_init_block): Rename to... + (rewrite_update_enter_block): ... this, place after called functions. + Test interesting_blocks, call rewrite_update_stmt and + rewrite_update_phi_arguments. + (rewrite_update_fini_block): Rename to... + (rewrite_leave_block): ... this, place after called functions. + (rewrite_blocks): Remove last argument, simplify initialization of + walk_data. + (mark_def_sites_initialize_block): Rename to... + (mark_def_sites_block): ... this, call mark_def_sites. + (mark_def_sites_blocks): Remove argument, simplify initialization of + walk_data. + (rewrite_into_ssa): Adjust for interesting_blocks_being a global. + (update_ssa): Likewise. + * tree-ssa-dom.c (optimize_stmt): Simplify now that it's not a domwalk + callback. + (tree_ssa_dominator_optimize): Simplify initialization of walk_data. + (dom_opt_initialize_block): Rename to... + (dom_opt_enter_block): ... this, place after called functions. Walk + statements here, inline propagate_to_outgoing_edges. + (dom_opt_finalize_block): Rename to... + (dom_opt_leave_block): ... this, place after called functions. + * tree-ssa-dse.c (dse_optimize_stmt): Simplify now that it's not a + domwalk callback. + (dse_enter_block, dse_record_phi): New. + (dse_record_phis): Delete. + (dse_finalize_block): Rename to... + (dse_leave_block): ... this. + (tree_ssa_dse): Simplify initialization of walk_data. + * tree-ssa-loop-im.c (determine_invariantness, move_computations): + Adjust initialization of walk_data. + * tree-ssa-loop-unswitch.c: Do not include domwalk.h. + * tree-ssa-loop-phiopt.c (get_non_trapping): + Adjust initialization of walk_data. + * tree-ssa-loop-threadedge.c: Do not include domwalk.h. + * tree-ssa-uncprop.c (uncprop_into_successor_phis): Simplify now that + it's not a domwalk callback. + (uncprop_initialize_block): Rename to... + (dse_enter_block): ... this, call uncprop_into_successor_phis. + (dse_finalize_block): Rename to... + (dse_leave_block): ... this. + (tree_ssa_uncprop): Simplify initialization of walk_data. + * Makefile.in: Adjust dependencies. + +2009-06-27 Richard Earnshaw <rearnsha@arm.com> + + * arm.md (casesi): Fix test for Thumb1. + (thumb1_casesi_internal_pic): Likewise. + (thumb1_casesi_dispatch): Likewise. + +2009-06-26 Daniel Gutson <dgutson@codesourcery.com> + + * config/arm/arm-cores.def: Added core cortex-m0. + * config/arm/arm-tune.md: Regenerated. + * doc/invoke.texi: Added entry for cpu ARM Cortex-M0. + +2009-06-26 DJ Delorie <dj@redhat.com> + + * config/mep/mep.opt (mfar): Remove -mfar as it doesn't do anything. + + * config/mep/mep.c (mep_bundle_insns): Account for the fact that + the scheduler doesn't tag jump insns. + +2009-06-26 H.J. Lu <hongjiu.lu@intel.com> + + * c-decl.c (merge_decls): Re-indent. + +2009-06-26 Janis Johnson <janis187@us.ibm.com> + + PR c/39902 + * tree.c (real_zerop, real_onep, real_twop, real_minus_onep): + Special-case decimal float constants. + +2009-06-26 Richard Henderson <rth@redhat.com> + + * function.h (struct function): Add cannot_be_copied_reason, + and cannot_be_copied_set. + * tree-inline.c (has_label_address_in_static_1): Rename from + inline_forbidden_p_2; don't set inline_forbidden_reason here. + (cannot_copy_type_1): Rename from inline_forbidden_p_op; likewise + don't set inline_forbidden_reason. + (copy_forbidden): New function, split out of inline_forbidden_p. + (inline_forbidden_p_stmt): Don't check for nonlocal labels here. + (inline_forbidden_p): Use copy_forbidden. + (tree_versionable_function_p): Likewise. + (inlinable_function_p): Merge into tree_inlinable_function_p. + (tree_function_versioning): Remap cfun->nonlocal_goto_save_area. + * ipa-cp.c (ipcp_versionable_function_p): New function. + (ipcp_cloning_candidate_p): Use it. + (ipcp_node_modifiable_p): Likewise. + +2009-06-26 Olatunji Ruwase <tjruwase@google.com> + + * builtins.c (expand_builtin_alloca): Handle builtin alloca + that is marked not to be inlined. Remove flag_mudflap use. + * tree-mudflap.c: Rename mf_xform_derefs to mf_xfrom_statements. + (mf_xform_statements): Mark builtin alloca calls as un-inlineable. + +2009-06-26 Steve Ellcey <sje@cup.hp.com> + + PR bootstrap/40338 + * config/pa/t-pa-hpux10 (TARGET_LIBGCC2_CFLAGS): Add -frandom-seed. + * config/pa/t-pa-hpux11 (TARGET_LIBGCC2_CFLAGS): Ditto. + +2009-06-26 Kai Tietz <kai.tietz@onevision.com> + + * config/i386/mingw-tls.c (__mingwthr_key_dtor): Remove for none + shared libgcc. + (__mingwthr_remove_key_dtor): Likewise. + +2009-06-26 Richard Guenther <rguenther@suse.de> + + * tree-ssa-structalias.c (do_ds_constraint): Simplify escape handling. + +2009-06-26 Steven Bosscher <steven@gcc.gnu.org> + + PR middle-end/40525 + * ifcvt.c (dead_or_predicable): If predicating MERGE_BB fails, + try the non-cond_exec path also. + +2009-06-25 John David Anglin <dave.anglin@nrc-cnrc.gc.ca> + + PR target/40468 + * pa.c (branch_to_delay_slot_p, branch_needs_nop_p): New functions. + (output_cbranch): Use new functions. + (output_lbranch, output_bb, output_bvb, output_dbra, output_movb): + Likewise. + +2009-06-25 Michael Meissner <meissner@linux.vnet.ibm.com> + Pat Haugen <pthaugen@us.ibm.com> + Revital Eres <ERES@il.ibm.com> + + * config/rs6000/rs6000.c (print_operand): Correct lossage message + for %c error. Add %x support to print VSX registers as a unified + register set, instead of separate float and altivec registers. + Switch to use VECTOR_MEM_ALTIVEC_P instead of TARGET_ALTIVEC for + %y case, and add support for VSX pre-modify addresses. + (output_toc): Add assert for CONST containing an integer constant + in the PLUS case. + (rs6000_adjust_cost): Add POWER7 support. + (insn_must_be_first_in_group): Ditto. + (insn_must_be_last_in_group): Ditto. + (rs6000_emit_popcount): Ditto. + (rs6000_vector_mode_supported_p): Ditto. + + * config/rs6000/rs6000-protos.h (rs6000_secondary_reload_class): + Change some of the functions called by macros to being called + through a pointer, so debug functions can be inserted if + -mdebug=addr or -mdebug=cost. + (rs6000_preferred_reload_class_ptr): Ditto. + (rs6000_secondary_reload_class_ptr): Ditto. + (rs6000_secondary_memory_needed_ptr): Ditto. + (rs6000_cannot_change_mode_class_ptr): Ditto. + (rs6000_secondary_reload_inner): Ditto. + (rs6000_legitimize_reload_address): Ditto. + (rs6000_legitimize_reload_address_ptr): Ditto. + (rs6000_mode_dependent_address): Ditto. + (rs6000_mode_dependent_address_ptr): Ditto. + + * config/rs6000/rs6000.c (reg_offset_addressing_ok_p): New + function to return true if the mode allows reg + integer + addresses. + (virtual_stack_registers_memory_p): New function to return true if + the address refers to a virtual stack register. + (rs6000_legitimate_offset_address_p): Move code to say whether a + mode supports reg+int addressing to reg_offset_addressing_ok_p and + call it. + (rs6000_legitimate_address_p): Add checks for modes that only can + do reg+reg addressing. Start adding VSX support. + (rs6000_legitimize_reload_address): Ditto. + (rs6000_legitimize_address): Ditto. + (rs6000_debug_legitimate_address_p): New debug functions for + -mdebug=addr and -mdebug=cost. + (rs6000_debug_rtx_costs): Ditto. + (rs6000_debug_address_costs): Ditto. + (rs6000_debug_adjust_cost): Ditto. + (rs6000_debug_legitimize_address): Ditto. + (rs6000_legitimize_reload_address_ptr): Point to call normal + function or debug function. Make functions called via pointer + static. + (rs6000_mode_dependent_address_ptr): Ditto. + (rs6000_secondary_reload_class_ptr): Ditto. + (rs6000_hard_regno_mode_ok): Add preliminary VSX support. + (rs6000_emit_move): Add -mdebug=addr support. Change an abort + into a friendlier error. + (rs6000_init_builtins): Add initial VSX support. + (rs6000_adjust_cost): Fix some spacing issues. + + * config/rs6000/rs6000.h (enum reg_class): Add VSX_REGS. + (REG_CLASS_NAMES): Ditto. + (REG_CLASS_CONTENTS): Ditto. + (PREFERRED_RELOAD_CLASS): Move from a macro to calling through a + pointer, to add -mdebug=addr support. + (CANNOT_CHANGE_MODE_CLASS): Ditto. + (SECONDARY_RELOAD_CLASS): Call through a pointer to add + -mdebug=addr support. + (LEGITIMIZE_RELOAD_ADDRESS): Ditto. + (GO_IF_MODE_DEPENDENT_ADDRESS): Ditto. + (enum rs6000_builtins): Add RS6000_BUILTIN_BSWAP_HI. + + * config/rs6000/rs6000.md (bswaphi*): Add support for swapping + 16-bit values. + (bswapsi*): Set attribute types for load/store. Add combiner + patterns to eliminate zero extend on 64-bit. + (bswapdi*): Add support for swapping 64-bit values. Use ldbrx and + stdbrx if the hardware supports those instructions. + +2009-06-25 Ian Lance Taylor <iant@google.com> + + * doc/invoke.texi (Option Summary): Mention -static-libstdc++. + (Link Options): Document -static-libstdc++. + +2009-06-25 Andrew Pinski <andrew_pinski@playstation.sony.com> + + PR target/38731 + * config/rs6000/rs6000.c (LOCAL_ALIGNMENT): Redefine to just use + DATA_ALIGNMENT instead. + +2009-06-25 Richard Guenther <rguenther@suse.de> + + * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Disambiguate + indirect references against the callused/escaped solutions. + (call_may_clobber_ref_p_1): Likewise. + +2009-06-25 Martin Jambor <mjambor@suse.cz> + + PR tree-optimization/40493 + * tree-sra.c (sra_modify_expr): Correct BIT_FIELD_REF argument numbers. + (enum unscalarized_data_handling): New type. + (handle_unscalarized_data_in_subtree): Return what has been done. + (load_assign_lhs_subreplacements): Handle left flushes differently. + (sra_modify_assign): Use unscalarized_data_handling, simplified + condition determining whether to remove the statement. + +2009-06-25 Basile Starynkevitch <basile@starynkevitch.net> + + * doc/plugins.texi (Building GCC plugins): Correct typo in Makefile + excerpt - @ should be doubled for texinfo. + +2009-06-24 Ian Lance Taylor <iant@google.com> + + * config/arc/arc.c: Include "df.h". + (arc_attribute_table): Make static. Move higher in file. + (arc_address_cost): Call SMALL_INT on INTVAL, not rtx. + (output_shift): Initialize n later to avoid warning. + * config/arm/arm.c (arm_attribute_table): Make static. Move + higher in file. + * config/avr/avr.c (avr_attribute_table): Make static. Move + higher in file. + (reg_class_tab): Change array type from int to enum reg_class. + (avr_jump_mode): Change GET_MODE to GET_CODE when checking for + LABEL_REF. + (out_tsthi, ashlhi3_out): Don't use AS2 with "or" or "and". + (lshrhi3_out): Likewise. + (class_likely_spilled_p): Change return type to bool. + (avr_rtx_costs): Use local code variable with enum type. + * config/avr/avr.md (movmemhi): Use add_reg_note. + (andhi3, andsi3): Don't use AS2 with "and". + (iorhi3, iorsi3): Don't use AS2 with "or". + * config/avr/avr-protos.h (class_likely_spilled_p): Update declaration. + * config/crx/crx.c: Include "df.h". + (crx_attribute_table): Make static. + * config/m32r/m32r.c: Include "df.h". + (m32r_attribute_table): Make static. Move higher in file. + (pop): Use add_reg_note. + (block_move_call): Change 0 to LCT_NORMAL in function call. + * config/m32r/m32r.md (movsi_insn): Remove unused local value. + * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Likewise. + * config/m32r/m32r-protos.h (m32r_compute_function_type): Always + declare, not just when TREE_CODE is defined. + * config/m68hc11/m68hc11.c: Include "expr.h". + (m68hc11_attribute_table): Make static. Move higher in file. + (m68hc11_small_indexed_indirect_p): Change 0 to VOIDmode in + function call. + (m68hc11_register_indirect_p): Likewise. + (m68hc11_function_arg_padding): Change return type to enum + direction. + (emit_move_after_reload): Use add_reg_note. + (m68hc11_emit_logical): Change code parameter to enum rtx_code. + (m68hc11_split_logical): Likewise. + (m68hc11_rtx_costs): Add local code_and outer_code variables with + enum type. + * config/m68hc11/predicates.md (reg_or_some_mem_operand): Change 0 + to VOIDmode in function call. + * config/m68hc11/m68hc11-protos.h: Don't check TREE_CODE to see if + tree is defined. + (m68hc11_split_logical): Update declaration. + (m68hc11_function_arg_padding): Update declaration. + * config/mcore/mcore.c (regno_reg_class): Change form array of int + to array of enum reg_class. + (mcore_attribute_table): Make static. Move higher in file. + (mcore_rtx_costs): Add cast to enum type. + * config/mcore/mcore.h (regno_reg_class): Update declaration. + (GO_IF_LEGITIMATE_INDEX): Add cast to avoid warning. + * config/sh/sh.c (sh_attribute_table): Make static. Move higher + in file. + * config/sh/predicates.md (trapping_target_operand): Rename and to + and_expr. + * config/sparc/sparc.c (sparc_attribute_table): Make static. Move + higher in file. + * config/spu/spu.c (spu_attribute_table): Make static. Move + higher in file. + * config/v850/v850.c (v850_attribute_table): Make static. Move + higher in file. + (v850_rtx_costs): Use local code with enum type. + (expand_epilogue): Add cast. + * config/v850/v850-c.c (ghs_pragma_section): Initialize repeat. + +2009-06-23 Takashi YOSHII <yoshii.takashi@renesas.com> + + PR target/40515 + * doc/invoke.texi (SH Options): Document -m2a, -m2a-single, + -m2a-single-only and -m2a-nofpu. + * config/sh/sh.opt: Document m2a generates FPU code. + +2009-06-24 Anatoly Sokolov <aesok@post.ru> + + * defaults.h (CAN_ELIMINATE): Provide default. + * doc/tm.texi (CAN_ELIMINATE): Revise documentation. + * config/alpha/alpha.h (CAN_ELIMINATE): Delete. + * config/m32c/m32c.h (CAN_ELIMINATE): Delete. + * config/spu/spu.h (CAN_ELIMINATE): Delete. + * config/xtensa/xtensa.h (CAN_ELIMINATE): Delete. + * config/moxie/moxie.h (CAN_ELIMINATE): Delete. + * config/cris/cris.h (CAN_ELIMINATE): Delete. + * config/mn10300/mn10300.h (CAN_ELIMINATE): Delete. + * config/pa/pa64-linux.h (CAN_ELIMINATE): Delete. + * config/mmix/mmix.h (CAN_ELIMINATE): Delete. + +2009-06-24 DJ Delorie <dj@redhat.com> + + * mep-ext-cop.cpu: Fix copyright notice. + * mep-default: Fix copyright notice. + * mep-core: Fix copyright notice. + * mep: Fix copyright notice. + * mep-ivc2: Fix copyright notice. + * mep-c5: Fix copyright notice. + +2009-06-24 Denis Chertykov <chertykov@gmail.com> + + * doc/contrib.texi (Contributors): + +2009-06-24 Andreas Krebbel <krebbel1@de.ibm.com> + + PR middle-end/40501 + * tree-ssa-math-opts.c (execute_optimize_bswap): Convert the bswap + src and dst operands if necessary. + +2009-06-23 DJ Delorie <dj@redhat.com> + + Add MeP port. + * config.gcc: Add mep support. + * recog.c: Resurrect validate_replace_rtx_subexp(). + * recog.h: Likewise. + * config/mep/: Add new port: + * config/mep/constraints.md: New file. + * config/mep/default.h: New file. + * config/mep/intrinsics.h: New file. + * config/mep/intrinsics.md: New file. + * config/mep/ivc2-template.h: New file. + * config/mep/mep-c5.cpu: New file. + * config/mep/mep-core.cpu: New file. + * config/mep/mep-default.cpu: New file. + * config/mep/mep-ext-cop.cpu: New file. + * config/mep/mep-intrin.h: New file. + * config/mep/mep-ivc2.cpu: New file. + * config/mep/mep-lib1.asm: New file. + * config/mep/mep-lib2.c: New file. + * config/mep/mep-pragma.c: New file. + * config/mep/mep-protos.h: New file. + * config/mep/mep-tramp.c: New file. + * config/mep/mep.c: New file. + * config/mep/mep.cpu: New file. + * config/mep/mep.h: New file. + * config/mep/mep.md: New file. + * config/mep/mep.opt: New file. + * config/mep/predicates.md: New file. + * config/mep/t-mep: New file. + +2009-06-23 Ian Lance Taylor <iant@google.com> + + * configure.ac: Invoke AC_PROG_CXX. Separate C specific warnings + from loose_warn into c_loose_warn and from strict_warn into + c_strict_warn. Set and substitute warn_cxxflags. Check for + --enable-build-with-cxx. Set and substitute + ENABLE_BUILD_WITH_CXX. Set and substitute HOST_LIBS. + * Makefile.in (CXXFLAGS): New variable. + (C_LOOSE_WARN, C_STRICT_WARN): New variables. + (GCC_WARN_CFLAGS): Add $(C_LOOSE_WARN). Add $(C_STRICT_WARN) if + the default is the same as $(STRICT_WARN). + (GCC_WARN_CXXFLAGS, WARN_CXXFLAGS): New variables. + (CXX): New variable. + (COMPILER): New value if ENABLE_BUILD_WITH_CXX. + (COMPILER_FLAGS, LINKER, LINKER_FLAGS): Likewise. + (ALL_COMPILERFLAGS, ALL_LINKERFLAGS): Likewise. + (HOST_LIBS): New variable. + (GCC_CFLAGS): Add $(C_LOOSE_WARN). + (ALL_CXXFLAGS): New variable. + (LIBS, BACKENDLIBS): Add $(HOST_LIBS). + * doc/install.texi (Configuration): Document + --enable-build-with-cxx, --with-stage1-ldflags, + --with-stage1-libs, --with-boot-ldflags, --with-boot-libs. + * configure: Rebuild. + +2009-06-24 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com> + + * config/arm/arm.c (arm_override_options): Fix braces and formatting + from previous commit. + +2009-06-23 Ian Lance Taylor <iant@google.com> + + * Makefile.in ($(out_object_file)): Depend upon $(DF_H). + +2009-06-23 Ian Lance Taylor <iant@google.com> + + * reload.c (alternative_allows_const_pool_ref): Mark mem parameter + with ATTRIBUTE_UNUSED. + +2009-06-23 Michael Meissner <meissner@linux.vnet.ibm.com> + Pat Haugen <pthaugen@us.ibm.com> + Revital Eres <eres@il.ibm.com> + + * config.in (HAVE_AS_POPCNTD): Add default definition. + (HAVE_AS_LWSYNC): Ditto. + + * configure.ac (gcc_cv_as_powerpc_mfpgpr): Provide real binutils + release number. + (gcc_cv_as_powerpc_cmpb): Ditto. + (gcc_cv_as_powerpc_dfp): Ditto. + (gcc_cv_as_powerpc_vsx): Ditto. + (gcc_cv_as_powerpc_popcntd): Add feature test for assembler + supporting the popcntd/lwsync instructions. + (gcc_cv_as_powerpc_lwsync): Ditto. + * configure: Regenerate. + + * config/rs6000/aix53.h (ASM_CPU_SPEC): Add support for + -mcpu=native and -mcpu=power7. + * config/rs6000/aix61.h (ASM_CPU_SPEC): Ditto. + + * config/rs6000/linux64.opt (-mprofile-kernel): Move switch to be + a variable instead of a mask to reduce the number of mask bits. + * config/rs6000/sysv4.opt (-mbit-align): Ditto. + (-mbit-word): Ditto. + (-mregnames): Ditto. + * config/rs6000/rs6000.opt (-mupdate): Ditto. + (-mfused-madd): Ditto. + + * config/rs6000/rs6000.opt (-mpopcntd): New switch for non-VSX ISA + 2.06 instructions. + (-mvsx): New switch for VSX instructions. + (-misel): Move from a variable to a mask to allow it to be set by + -mcpu=. + + * config/rs6000/rs6000-protos.h (rs6000_hard_regno_nregs): Change + function declaration to an array declaration. + (rs6000_hard_regno_nregs): New external array declaration. + + * config/rs6000/t-rs6000 (MD_INCLUDES): Define, add all of the .md + files included by rs6000.md. + + * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Use + SET_PROFILE_KERNEL macro to reset the -mprofile-kernel switch. + + * config/rs6000/rs6000.c (rs6000_isel): Delete, -misel moved to be + a target mask. + (rs6000_debug_reg): New -mdebug= variables. + (rs6000_debug_addr): Ditto. + (rs6000_debug_cost): Ditto. + (rs6000_pmode): New variable to hold Pmode. + (rs6000_pointer_size): New variable to hold POINTER_SIZE. + (rs6000_class_max_nregs): New array to hold CLASS_MAX_NREGS + calculated at compiler start. + (rs6000_hard_regno_nregs): Change function to an array which holds + HARD_REGNO_NREGS calculated at compiler start. + (rs6000_explicit_options): Delete isel field. + (rs6000_vector_unit): New array to hold which vector unit + supports arithmetic options for a given type. + (rs6000_vector_mem): New array to hold which vector unit supports + memory reference operations for a given type. + (rs6000_vector_align): New array to given the alignment of each + vector type. + (power7_cost): New basic costs for power7. + (SET_PROFILE_KERNEL): New macro for resetting -mprofile-kernel. + (rs6000_hard_regno_nregs_internal): New function, moved from + HARD_REGNO_NREGS, to calculate the number of registers each hard + register takes for each type. + (rs6000_debug_reg_print): New function for -mdebug=reg support. + (rs6000_debug_vector_unit): New array, map rs6000_vector to string. + (+rs6000_init_hard_regno_mode_ok): New function, move calculation + of HARD_REGNO_NREGS, CLASS_MAX_NREGS, REGNO_REG_CLASS, and vector + unit information here so it is calculated once at compiler startup + time. + (rs6000_override_options): Make -misel a target mask. Add more + power7 target masks. Setup Pmode and POINTER_SIZE. Add initial + VSX support. Add support for -mdebug=reg, -mdebug=addr, and + -mdebug=cost. + (POWERPC_MASKS): Add MASK_POPCNTD, MASK_VSX, and MASK_ISEL. + (rs6000_handle_option): Move -misel from variable to target mask. + (rs6000_builtin_mask_for_load): Add VSX support. + (rs6000_conditional_register_usage): Ditto. + (USE_ALTIVEC_FOR_ARG_P): Ditto. + (function_arg_boundary): Ditto. + (rs6000_expand_builtin): Ditto. + (def_builtin): Make abort message a little friendlier. + (rs6000_emit_int_cmove): Add support for 64-bit isel. + + * config/rs6000/rs6000.h (ASM_CPU_POWER7_SPEC): Depend on the + assembler support the popcntd instruction instead of a vsx + instruction to enable power7 support. + (ASM_CPU_SPEC): Add support for -mcpu=native and -mcpu=power7. + (EXTRA_SPECS): Add ASM_CPU_NATIVE_SPEC to allow passing the right + option to the assembler if -mcpu=native. + (ASM_CPU_NATIVE_SPEC): Ditto. + (TARGET_POPCNTD): If assembler doesn't support popcntd, turn off + ISA 2.06 features. + (TARGET_LWSYNC_INSTRUCTION): Define whether it is safe to issue + the lwsync instruction. + (enum processor_type): Add PROCESSOR_POWER7. + (rs6000_debug_reg): New -mdebug= options. + (rs6000_debug_addr): Ditto. + (rs6000_debug_cost): Ditto. + (rs6000_isel): Delete. + (enum rs6000_vector): New enum to say what vector unit we have. + (VECTOR_UNIT_*): New macros to say which vector unit has + arithmetic operations for a given type. + (VECTOR_MEM_*): New macros to say which vector unit has memory + operations for a given type. + (TARGET_LDBRX): Whether the machine supports the ldbrx + instruction. + (TARGET_ISEL): Delete, -misel moved to be a mask. + (TARGET_ISEL64): New macro for 64-bit isel support. + (UNITS_PER_VSX_WORD): New macro. + (POINTER_SIZE): Move to be an external variable, rather than + calculating whether we are generating 32 ot 64-bit code. + (Pmode): Ditto. + (STACK_BOUNDARY): Add VSX support. + (LOCAL_ALIGNMENT): Ditto. + (SLOW_UNALIGNED_ACCESS): Ditto. + (VSX_REGNO_P): New macro for VSX support. + (VFLOAT_REGNO_P): Ditto. + (VINT_REGNO_P): Ditto. + (VLOGICAL_REGNO_P): Ditto. + (VSX_VECTOR_MODE): Ditto. + (VSX_SCALAR_MODE): Ditto. + (VSX_MODE): Ditto. + (VSX_MOVE_MODE): Ditto. + (VSX_REG_CLASS_P): Ditto. + (HARD_REGNO_NREGS): Instead of calling a function, use an array + lookup. + (UNITS_PER_SIMD_WORD): Add VSX support. + (MODES_TIEABLE_P): Ditto. + (STARTING_FRAME_OFFSET): Ditto. + (STACK_DYNAMIC_OFFSET): Ditto. + (EPILOGUE_USES): Ditto. + (REGNO_REG_CLASS): Move to array lookup. + (CLASS_MAX_NREGS): Ditto. + (rs6000_vector_reg_class): Add declaration. + (ADDITIONAL_REGISTER_NAMES): Add VSX names for the registers that + overlap with the floating point and Altivec registers. + + * config/rs6000/e500.h (CHECK_E500_OPTIONS): Disallow -mvsx. + + * config/rs6000/driver-rs6000.c (asm_names): New static array to + give the appropriate asm switches if -mcpu=native. + (host_detect_local_cpu): Add support for "asm". + (host_detect_local_cpu): Follow GNU code guidelines for name. + + * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Move + -mbit-word to a variable instead of being a target mask. + + * config/rs6000/sync.md (lwsync): If the assembler supports it, + emit the lwsync instruction instead of emitting the instruction as + an integer constant. + + * config/rs6000/spe.md (spe_fixuns_truncdfsi2): Rename from + fixuns_trundfsi2, move expander into rs6000.md. + + * config/rs6000/rs6000.md (cpu): Add power7. + (sel, *ptrsize): New mode attributes for 32/64-bit isel. + (logical predicate patterns): Change the single instruction + primitives that set CR0 to be fast_compare instead of compare. + (norsi*): Ditto. + (popcntwsi2): Add support for ISA 2.06 popcount instructions. + (popcntddi2): Ditto. + (popcount<mode>): Ditto. + (floating multiply/add insns): Name the floating point + multiply/add insns. + (isel_signed_<mode>): Add support for -misel on 64-bit systems. + (isel_unsigned_<mode>): Ditto. + (fixuns_trundfsi2): Move expander here from spe.md. + (smindi3): Define if we have -misel on 64-bit systems. + (smaxdi3): Ditto. + (umindi3): Ditto. + (umaxdi3): Ditto. + +2009-06-23 Anatoly Sokolov <aesok@post.ru> + + * config.gcc (avr-*-rtems*, avr-*-*): Set extra_gcc_objs and + extra_objs. + * config/avr/avr.c (avr_current_device): New variable. + (avr_arch_types, avr_mcu_types): Move to avr-deveces.c. + (avr_arch, mcu_type_s): Move to avr.h. + * config/avr/avr.h (base_arch_s). Add reserved2, arch_name and + default_data_section_start fields. + (avr_arch): Moved from avr.c. + (mcu_type_s): Moved from avr.c. Add short_sp, data_section_start and + library_name fields. + (avr_current_device, avr_mcu_types, avr_arch_types, + avr_device_to_arch, avr_device_to_data_start, + avr_device_to_startfiles, avr_device_to_devicelib): Declare. + (EXTRA_SPEC_FUNCTIONS): Define. + (LINK_SPEC): Remove device name to '-m ...' and '-Tdata ...' linker + options mapping. Use device_to_arch and device_to_data_start insted. + (STARTFILE_SPEC): Use device_to_startfile instead of crt_binutils. + (CRT_BINUTILS_SPECS, EXTRA_SPECS): Remove. + * config/avr/t-avr (driver-avr.o, avr-devices.o): New rules. + * config/avr/driver-avr.c: New file. + * config/avr/avr-devices.c: New file. + +2009-06-23 Jakub Jelinek <jakub@redhat.com> + + * var-tracking.c (unshare_variable): Force initialized to + be VAR_INIT_STATUS_INITIALIZED unless flag_var_tracking_uninit. + (set_variable_part): Likewise. + (struct variable_union_info): Remove pos_src field. + (vui_vec, vui_allocated): New variables. + (variable_union): Pass VAR_INIT_STATUS_UNKNOWN to unshare_variable + unconditionally. Avoid XCVECNEW/free for every sorting, for dst_l + == 1 use a simpler sorting algorithm. Compute pos field right + away, don't fill in pos_src. For dst_l == 2 avoid qsort. + Avoid quadratic comparison if !flag_var_tracking_uninit. + (variable_canonicalize): Pass VAR_INIT_STATUS_UNKNOWN to + unshare_variable unconditionally. + (dataflow_set_different_2): Removed. + (dataflow_set_different): Don't traverse second hash table. + (compute_bb_dataflow): Pass VAR_INIT_STATUS_UNINITIALIZED + unconditionally to var_reg_set or var_mem_set. + (emit_notes_in_bb): Likewise. + (delete_variable_part): Pass VAR_INIT_STATUS_UNKNOWN to + unshare_variable. + (emit_note_insn_var_location): Don't set initialized to + VAR_INIT_STATUS_INITIALIZED early. + (vt_finalize): Free vui_vec if needed, clear vui_vec and + vui_allocated. + * rtl.c (rtx_equal_p): Don't implement on top of rtx_equal_p_cb. + + * tree-object-size.c (addr_object_size): Instead of checking + for non-NULL TREE_CHAIN of the FIELD_DECL check that there + are no FIELD_DECLs following it. + +2009-06-23 Andreas Krebbel <krebbel1@de.ibm.com> + + * tree-ssa-math-opts.c (find_bswap): Increase the search depth in + order to match bswaps with signed source operands. + +2009-06-23 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> + + * sdbout.c (sdbout_one_type): Fix braces in switch. + +2009-06-23 Richard Guenther <rguenther@suse.de> + + * tree-ssa-structalias.c (struct variable_info): Add is_global_var + member. + (var_anything, anything_tree, var_nothing, nothing_tree, var_readonly, + readonly_tree, var_escaped, escaped_tree, var_nonlocal, nonlocal_tree, + var_callused, callused_tree, var_storedanything, storedanything_tree, + var_integer, integer_tree): Remove global variables. + (new_var_info): Do not pass new id, append the new var to the + global variable vector. + (do_ds_constraint): Use is_global_var member of the variable-info. + (new_scalar_tmp_constraint_exp): Adjust. + (create_function_info_for): Likewise. + (create_variable_info_for): Likewise. + (find_what_var_points_to): Remove dead code. + (init_base_vars): Simplify. + (compute_points_to_sets): Adjust. + +2009-06-22 Adam Nemet <anemet@caviumnetworks.com> + + * combine.c (try_combine): Dump information about the insns we're + combining. + +2009-06-22 Adam Nemet <anemet@caviumnetworks.com> + + * combine.c (combine_simplify_rtx): Remove TRULY_NOOP_TRUNCATION + check when calling force_to_mode on TRUNCATE's operand. + +2009-06-22 Ian Lance Taylor <iant@google.com> + + * config/rs6000/rs6000.opt: Move msched-epilog before msched-prolog. + +2009-06-22 Steven Bosscher <steven@gcc.gnu.org> + + * config/arm/arm.md (prologue_use): Set length of fake insn to 0. + +2009-06-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de> + + * doc/invoke.texi (Link Options): -nodefaultlibs and -nostdlib + override library linkage flags such as -static-libgcc or + -shared-libgcc. + +2009-06-22 Maxim Kuvyrkov <maxim@codesourcery.com> + + * config/m68k/m68k-devices.def: Add line for MCF5221x. + +2009-06-22 Ian Lance Taylor <iant@google.com> + + * config/linux.opt: Put mglibc ahead of muclibc. + + * c-decl.c (diagnose_mismatched_decls): Add -Wc++-compat warning + for duplicate decls. + +2009-06-22 Matthias Klose <doko@ubuntu.com> + + * Makefile.in (install-plugin): Remove extra `/' after $(DESTDIR). + +2009-06-22 Steven Bosscher <steven@gcc.gnu.org> + + PR objc/28050 + * c-parser.c (c_parser_objc_message_args): Return error_mark_node + instead of NULL if a parser error occurs. + +2009-06-22 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> + + * dwarf2out.c (dwarf2_debug_hooks): Initialize + non-DWARF2_DEBUGGING_INFO version. + +2009-06-22 Kai Tietz <kai.tietz@onevision.com> + + * config.gcc (i[34567]86-*-mingw*, x86_64-*-mingw*): Add + i386/t-fprules-softfp and soft-fp/t-softfp to tmake_file. + + * config/i386/mingw32.h (LIBGCC2_HAS_TF_MODE): Define. + (LIBGCC2_TF_CEXT): Define. + (TF_SIZE): Define. + +2009-06-22 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com> + + PR target/40463 + * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Fix definition. + +2009-06-22 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com> + + * config/arm/arm.c (arm_override_options): Disable + -mcaller-super-interworking and -mcallee-super-interworking. + * doc/invoke.texi (ARM Options): Document this. + +2009-06-22 Nathan Sidwell <nathan@codesourcery.com> + + * config/arm/arm.c (arm_print_operand): Deal with HIGH. + * config/arm/constraints.md (j): New constraint for movw operands. + (N): Remove thumb2 meaning. + * config/arm/arm.md (*arm_movw): Delete. + (*arm_movsi_insn): Use j constraint for movw instead of N constraint. + * config/arm/vfp.md (*arm_movsi_vfp, *thumb2_movsi_vfp): Likewise. + * config/arm/thumb2.md (*thumb2_movsi_insn): Likewise. + +2009-06-22 Martin Jambor <mjambor@suse.cz> + + PR tree-optimization/40492 + * tree-sra.c (sra_modify_assign): Pass zero offsets to + build_ref_for_offset. + +2009-06-22 Shujing Zhao <pearly.zhao@oracle.com> + + * alias.c: Use REG_P, MEM_P, CONST_INT_P, LABEL_P, CALL_P, NOTE_P and + JUMP_TABLE_DATA_P predicates where applicable. + * auto-inc-dec.c: Ditto. + * builtins.c: Ditto. + * caller-save.c: Ditto. + * calls.c: Ditto. + * cfgcleanup.c: Ditto. + * cfglayout.c: Ditto. + * cfgrtl.c: Ditto. + * combine.c: Ditto. + * combine-stack-adj.c: Ditto. + * cse.c: Ditto. + * cselib.c: Ditto. + * dbxout.c: Ditto. + * df-scan.c: Ditto. + * dse.c: Ditto. + * dwarf2asm.c: Ditto. + * dwarf2out.c: Ditto. + * emit-rtl.c: Ditto. + * except.c: Ditto. + * explow.c: Ditto. + * expmed.c: Ditto. + * expr.c: Ditto. + * final.c: Ditto. + * function.c: Ditto. + * fwprop.c: Ditto. + * gcse.c: Ditto. + * genpreds.c: Ditto. + * genrecog.c: Ditto. + * ifcvt.c: Ditto. + * ira-costs.c: Ditto. + * ira-lives.c: Ditto. + * jump.c: Ditto. + * loop-iv.c: Ditto. + * lower-subreg.c: Ditto. + * modulo-sched.c: Ditto. + * optabs.c: Ditto. + * postreload.c: Ditto. + * print-rtl.c: Ditto. + * recog.c: Ditto. + * reginfo.c: Ditto. + * regmove.c: Ditto. + * reload1.c: Ditto. + * reload.c: Ditto. + * reorg.c: Ditto. + * rtlanal.c: Ditto. + * rtl.c: Ditto. + * sched-vis.c: Ditto. + * sdbout.c: Ditto. + * sel-sched-ir.c: Ditto. + * simplify-rtx.c: Ditto. + * targhooks.c: Ditto. + * var-tracking.c: Ditto. + * vmsdbgout.c: Ditto. + +2009-06-22 Matthias Klose <doko@ubuntu.com> + + * Makefile.in (install-plugin): Always use DESTDIR. + +2009-06-22 Olivier Hainque <hainque@adacore.com> + + * config/pa/pa.c (output_call): Don't optimize post call jumps + into return address adjustments if the call may throw. + +2009-06-21 Richard Earnshaw <rearnsha@arm.com> + + * arm.c (thumb1_output_casesi): New function. + * arm.h (CASE_VECTOR_PC_RELATIVE): Thumb-1 code is also relative if + optimizing for size or PIC. + (CASE_VECTOR_SHORTEN_MODE): Handle thumb-1. + * arm.md (UNSPEC_THUMB1_CASESI): New constant. + (casesi): Handle Thumb-1 when optimizing for size or PIC. + (thumb1_casesi_internal_pic): New expand rule. + (thumb1_casesi_dispatch): New pattern. + * aout.h (ASM_OUTPUT_ADDR_DIFF_ELT): Use shortened vectors for + thumb-1 mode. + * coff.h (JUMP_TABLES_IN_TEXT_SECTION): Thumb-1 jump tables are now + in the text seciton when PIC or optimizing for size. + * elf.h (JUMP_TABLES_IN_TEXT_SECTION): Likewise. + * lib1funcs.asm ([__ARM_EABI__]): Add an attribute describing stack + preservation properties of code. + (__gnu_thumb1_case_sqi, __gnu_thumb1_case_uqi): New functions. + (__gnu_thumb1_case_shi, __gnu_thumb1_case_uhi): New functions. + (__gnu_thumb1_case_si): New function. + * t-arm (LIB1ASMSRC): Define here. + (LIB1ASMFUNCS): Add some common functions. + * t-arm-elf (LIB1ASMSRC): Delete. + (LIB1ASMFUNCS): Append to existing set. + * t-pe (LIB1ASMSRC, LIB1ASMFUNCS): Likewise. + * t-strongarm-elf (LIB1ASMSRC, LIB1ASMFUNCS): Likewise. + * t-symbian (LIB1ASMFUNCS): Likewise. + * t-vxworks (LIB1ASMSRC, LIB1ASMFUNCS): Likewise. + * t-wince-pe (LIB1ASMSRC, LIB1ASMFUNCS): Likewise. + +2009-06-21 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/38729 + * tree-ssa-loop-niter.c (find_loop_niter_by_eval): Restrict + to loops with a single exit if -fno-expensive-optimizations. + +2009-06-21 Jakub Jelinek <jakub@redhat.com> + + * var-tracking.c (struct shared_hash_def, shared_hash): New types. + (dataflow_set): Change vars type from htab_t to shared_hash. + (shared_hash_pool, empty_shared_hash): New variables. + (vars_clear): Removed. + (shared_hash_shared, shared_hash_htab, shared_hash_copy, + shared_hash_find_slot_unshare, shared_hash_find_slot, + shared_hash_find_slot_noinsert, shared_hash_find): New + static inlines. + (shared_hash_unshare, shared_hash_destroy): New functions. + (unshare_variable): Unshare set->vars if shared, use + shared_hash_htab. + (vars_copy): Use htab_traverse_noresize instead of htab_traverse. + (get_init_value, find_src_set_src, dump_dataflow_set, + clobber_variable_part, emit_notes_for_differences): Use + shared_hash_htab. + (dataflow_set_init): Remove second argument, set vars to + empty_shared_hash instead of creating a new htab. + (dataflow_set_clear): Call shared_hash_destroy and set vars + to empty_shared_hash instead of calling vars_clear. + (dataflow_set_copy): Don't call vars_copy, instead just share + the src htab with dst. + (variable_union): Use shared_hash_*, use initially NO_INSERT + lookup if set->vars is shared. Don't keep slot cleared before + calling unshare_variable. Unshare set->vars if needed. + Even ->refcount == 1 vars must be unshared if set->vars is shared + and var needs to be modified. + (variable_canonicalize): New function. + (dataflow_set_union): If dst->vars is empty, just share src->vars + with dst->vars and traverse with variable_canonicalize to canonicalize + and unshare what is needed. + (dataflow_set_different): If old_set and new_set use the same shared + htab, they aren't different. If number of htab elements is different, + htabs are different. Use shared_hash_*. + (dataflow_set_destroy): Call shared_hash_destroy instead of + htab_delete. + (compute_bb_dataflow, emit_notes_in_bb, vt_emit_notes): Don't pass + second argument to dataflow_set_init. + (vt_initialize): Likewise. Initialize shared_hash_pool and + empty_shared_hash, move bb in/out initialization afterwards. + Use variable_htab_free instead of NULL as changed_variables del hook. + (variable_was_changed): Change type of second argument to pointer to + dataflow_set. When inserting var into changed_variables, bump + refcount. Unshare set->vars if set is shared htab and slot needs to + be cleared. + (set_variable_part): Use shared_hash_*, use initially NO_INSERT + lookup if set->vars is shared. Unshare set->vars if needed. + Even ->refcount == 1 vars must be unshared if set->vars is shared + and var needs to be modified. Adjust variable_was_changed caller. + (delete_variable_part): Use shared_hash_*. Even ->refcount == 1 + vars must be unshared if set->vars is shared and var needs to be + modified. Adjust variable_was_changed caller. + (emit_note_insn_var_location): Don't pool_free var. + (emit_notes_for_differences_1): Initialize empty_var->refcount to 0 + instead of 1. + (vt_finalize): Call htab_delete on empty_shared_hash->htab and + free_alloc_pool on shared_hash_pool. + +2009-06-20 Anthony Green <green@moxielogic.com> + + * config/moxie/sfp-machine.h (__gcc_CMPtype, CMPtype): Define. + * config/moxie/moxie.h (LOAD_EXTEND_OP): Define. + +2009-06-20 Richard Guenther <rguenther@suse.de> + + * tree-ssa-structalias.c (find_func_aliases): For memset use + a constraint from NULL if we memset to zero. + * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Add builtins + we explicitly handle that do not read from memory. + (call_may_clobber_ref_p_1): Properly handle builtins that may + set errno. + +2009-06-20 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/40495 + * tree-ssa-structalias.c (get_constraint_exp_for_temp): Remove. + (new_scalar_tmp_constraint_exp): New function. + (process_constraint): Do not create temporary decls. + (process_all_all_constraints): Likewise. + (handle_const_call): Likewise. + (create_function_info_for): Do not set decl. + +2009-06-19 Ian Lance Taylor <iant@google.com> + + * config/rs6000/rs6000.c (rs6000_explicit_options): Make static. + (rs6000_attribute_table): Make static; move before use. + +2009-06-19 Eric Botcazou <ebotcazou@adacore.com> + + * tree.c (substitute_in_expr) <COMPONENT_REF>: Tweak and reformat. + <tcc_vl_exp>: Call process_call_operands on the new CALL_EXPR. + Propagate the TREE_READONLY flag without overwriting it. + (substitute_placeholder_in_expr) <tcc_vl_exp>: Likewise. + Propagate the TREE_READONLY flag onto the result. + (process_call_operands): Move around. Use correct constant value. + +2009-06-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com> + + PR target/40482 + * config/arm/arm.c (thumb_shiftable_const): Truncate val to 32 bits. + * config/arm/arm.md: Likewise. + +2009-06-19 Ian Lance Taylor <iant@google.com> + + * tree-cfg.c (gimple_redirect_edge_and_branch): Change ERROR_MARK + to GIMPLE_ERROR_MARK. + + * c-typeck.c (build_conditional_expr): Add op1_original_type and + op2_original_type parameters. Warn about using different enum types. + * c-parser.c (c_parser_conditional_expression): Pass original + types to build_conditional_expr. + * c-tree.h (build_conditional_expr): Update declaration. + +2009-06-19 Ian Lance Taylor <iant@google.com> + + * config/i386/i386.c (ix86_function_specific_save): Test that + fields match values, rather than testing the values are in a + certain range. + +2009-06-19 Richard Guenther <rguenther@suse.de> + + * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Handle + ADDR_EXPR pointers. + (ptr_derefs_may_alias_p): Likewise. + (ptr_deref_may_alias_ref_p_1): New function. + (ptr_deref_may_alias_ref_p): Likewise. + (ref_maybe_used_by_call_p_1): Handle builtins that are not + covered by looking at the ESCAPED solution. + (call_may_clobber_ref_p_1): Likewise. + * tree-ssa-structalias.c (get_constraint_for_ptr_offset): + Handle NULL_TREE offset. Do not produce redundant constraints. + (process_all_all_constraints): New helper function. + (do_structure_copy): Use it. + (handle_lhs_call): Likewise. + (find_func_aliases): Handle some builtins with pointer arguments + and/or return values explicitly. + +2009-06-19 Ian Lance Taylor <iant@google.com> + + * varasm.c (const_rtx_hash_1): Remove const qualifier from shift. + +2009-06-19 Ian Lance Taylor <iant@google.com> + + * rtl.h (SUBREG_PROMOTED_UNSIGNED_P): Add cast to int. + +2009-06-19 Ian Lance Taylor <iant@google.com> + + * ggc-page.c (ggc_pch_write_object): Initialize emptyBytes. + * sdbout.c (sdb_debug_hooks): Initialize non-SDB_DEBUGGING_INFO + version. + + * c-decl.c (finish_decl): If -Wc++-compat, warn about + uninitialized const. + +2009-06-19 Ian Lance Taylor <iant@google.com> + + * dse.c (struct store_info): Rename bitmap field to bmap. Change + all uses. + + * c-decl.c (in_struct, struct_types): Remove. + (struct c_binding): Add in_struct field. + (c_binding_ptr): Define type, along with VEC. + (struct c_struct_parse_info): Define. + (struct_parse_info): New static variable. + (bind): Initialize in_struct field. + (start_struct): Remove enclosing_in_struct and + enclosing_struct_types parameters. Add + enclosing_struct_parse_info parameter. Change all callers. Set + struct_parse_info rather than in_struct and struct_types. + (grokfield): If -Wc++-compat and there is a symbol binding for the + field name, set the in_struct flag and push it on the + struct_parse_info->fields vector. + (warn_cxx_compat_finish_struct): New static function. + (finish_struct): Remove enclosing_in_struct and + enclosing_struct_types parameters. Add + enclosing_struct_parse_info parameter. Change all callers. Don't + set C_TYPE_DEFINED_IN_STRUCT here. Call + warn_cxx_compat_finish_struct. Free struct_parse_info and set to + parameter. Only push on struct_types if warn_cxx_compat. + (finish_enum): Only push on struct_types if warn_cxx_compat. + (declspecs_add_type): Add loc parameter. Change all callers. + Change all error calls to error_at. Pass loc, not input_location, + to pedwarn calls. Warn if -Wc++-compat and a typedef name is + defined in a struct. If -Wc++-compat and parsing a struct, record + that a typedef name was used. + * c-parser.c (c_parser_declspecs): Get location to pass to + declspecs_add_type. + (c_parser_struct_or_union_specifier): Update calls to start_struct + and finish_struct. + * c-tree.h (struct c_struct_parse_info): Declare. + (finish_struct, start_struct): Update declarations. + (declspecs_add_type): Update declaration. + +2009-06-19 Ian Lance Taylor <iant@google.com> + + * c-decl.c (grokdeclarator): If -Wc++-compat, warn about a global + variable with an anonymous type. + +2009-06-19 Uros Bizjak <ubizjak@gmail.com> + + * see.c: Remove for real. + +2009-06-19 Uros Bizjak <ubizjak@gmail.com> + + * optabs.h (enum optab_index): Add new OTI_significand. + (significand_optab): Define corresponding macro. + * optabs.c (init_optabs): Initialize significand_optab. + * genopinit.c (optabs): Implement significand_optab using + significand?f2 patterns. + * builtins.c (expand_builtin_mathfn): Handle + BUILT_IN_SIGNIFICAND{,F,L}. + (expand_builtin): Expand BUILT_IN_SIGNIFICAND{,F,L} using + expand_builtin_mathfn if flag_unsafe_math_optimizations is set. + + * config/i386/i386.md (significandxf2, significand<mode>2): New + expanders to implement significandf, significand and significandl + built-ins as inline x87 intrinsics. + +2009-06-18 Anatoly Sokolov <aesok@post.ru> + + * config/avr/avr.c (avr_override_options): Remove setting value of + PARAM_INLINE_CALL_COST. + +2009-06-18 Richard Henderson <rth@redhat.com> + + PR 40488 + * tree-pass.h (TDF_ASMNAME): New. + * tree-dump.c (dump_options): Add asmname. + * doc/invoke.texi: Document it. + + * tree-pretty-print.c (maybe_dump_asm_name): Merge into... + (dump_decl_name): ...here. + (dump_function_name): New flags arg; mind TDF_ASMNAME. + (dump_generic_node): Update dump_function_name calls. + (print_call_name): New flags arg; update all dump calls. + * diagnostic.h (print_call_name): Update. + * gimple-pretty-print.c (dump_gimple_call): Update. + +2009-06-18 H.J. Lu <hongjiu.lu@intel.com> + + PR target/40470 + * config/i386/i386.h (CLASS_LIKELY_SPILLED_P): Add SSE_FIRST_REG. + +2009-06-18 Diego Novillo <dnovillo@google.com> + + * doc/plugins.texi: Document plugin_is_GPL_compatible. + * plugin.c (str_license): Declare. + (try_init_one_plugin): Assert that the symbol + 'plugin_is_GPL_compatible' exists. + +2009-06-18 Sergei Dyshel <sergeid@il.ibm.com> + + * see.c: Remove. + * Makefile.in (OBJS-common): Remove see.o. + (see.o): Remove. + * common.opt (fsee): Mark as preserved for backward compatibility. + * opts.c (common_handle_option): Add OPT_fsee to the backward + compatibility section. + * passes.c (init_optimization_passes, pass_see): Remove pass. + * timevar.def (TV_SEE): Remove. + * tree-pass.h (pass_see): Remove declaration. + * doc/invoke.texi (-fsee): Remove documentation. + +2009-06-18 Martin Jambor <mjambor@suse.cz> + + * tree-sra.c: Include statistics.h + (sra_stats): New variable. + (sra_initialize): Clear sra_stats. + (create_access_replacement): Increment sra_stats.replacements. + (get_access_replacement): Do not return twice. + (analyze_all_variable_accesses): Increment statistics counter by the + number of scalarized aggregates. + (generate_subtree_copies): Increment sra_stats.subtree_copies. + (sra_modify_expr): Increment sra_stats.exprs. + (load_assign_lhs_subreplacements): Increment sra_stats.subreplacements. + (sra_modify_assign): Increment sra_stats.exprs, + sra_stats.separate_lhs_rhs_handling and sra_stats.deleted. + (perform_intra_sra): Update statistics counters. + * Makefile.in (tree-sra.o): Add statistics.h to dependencies. + +2009-06-18 Sandra Loosemore <sandra@codesourcery.com> + + * config/arm/arm.c (TARGET_SCALAR_MODE_SUPPORTED_P): Redefine. + (arm_scalar_mode_supported_p): New function. + +2009-06-18 Paul Brook <paul@codesourcery.com> + Sandra Loosemore <sandra@codesourcery.com> + + * config/arm/sfp-machine.h (_FP_NANFRAC_H, _FP_NANSIGN_H): Define. + (__extendhfsf2, __truncsfhf2): Define. + * config/arm/fp16.c: New file. + * config/arm/t-bpabi (LIB2FUNCS_STATIC_EXTRA): Add fp16.c. + * config/arm/t-symbian (LIB2FUNCS_STATIC_EXTRA): Add fp16.c. + +2009-06-18 Sandra Loosemore <sandra@codesourcery.com> + + * doc/extend.texi (Half-Precision): New section. + * doc/invoke.texi (Option Summary): List -mfp16-format. + (ARM Options): List neon-fp16 as -mfpu value. Document -mfp16-format. + * config/arm/arm.opt (mfp16-format=): New. + * config/arm/arm.c: Include intl.h. + (TARGET_INVALID_PARAMETER_TYPE): Redefine. + (TARGET_INVALID_RETURN_TYPE): Redefine. + (TARGET_PROMOTED_TYPE): Redefine. + (TARGET_CONVERT_TO_TYPE): Redefine. + (arm_fp16_format): Define. + (all_fpus): Add entry for neon-fp16. + (fp_model_for_fpu): Likewise. + (struct fp16_format): Declare. + (all_fp16_formats): Define. + (arm_init_libfuncs): Add entries for HFmode conversions and arithmetic + functions. + (arm_override_options): Set arm_fp16_format. Call sorry for fp16 + and no ldrh. + (arm_legitimate_index_p): Treat HFmode like HImode. + (thumb1_legitimate_address_p): Make it recognize HFmode constants. + (coproc_secondary_reload_class): Special-case HFmode. + (arm_print_operand): Add 'z' specifier for vld1.16/vst1.16. + (arm_hard_regno_mode_ok): Allow HFmode values in VFP registers. + (arm_init_fp16_builtins): New. + (arm_init_builtins): Call it. + (arm_invalid_parameter_type): New. + (arm_invalid_return_type): New. + (arm_promoted_type): New. + (arm_convert_to_type). + (arm_file_start): Deal with neon-fp16 as fpu_name. Emit tag for fp16 + format. + (arm_emit_fp16_const): New function. + (arm_mangle_type): Mangle __fp16 as "Dh". + * config/arm/arm.h (TARGET_VFPD32): Make it know about + FPUTYPE_NEON_FP16. + (TARGET_NEON_FP16): New. + (TARGET_NEON): Make it know about FPUTYPE_NEON_FP16. + (enum fputype): Add FPUTYPE_NEON_FP16. + (enum arm_fp16_format_type): Declare. + (arm_fp16_format): Declare. + (LARGEST_EXPONENT_IS_NORMAL): Define. + * config/arm/arm-protos.h (arm_emit_fp16_const): Declare. + * config/arm/arm-modes.def (HFmode): Define. + * config/arm/vfp.md (*movhf_vfp): New. + (extendhfsf2): New. + (truncsfhf2): New. + * config/arm/arm.md (fpu): Add neon_fp16. + (floatsihf2, floatdihf2): New. + (fix_trunchfsi2, fix_trunchfdi2): New. + (truncdfhf2): New. + (extendhfdf2): New. + (movhf): New. + (*arm32_movhf): New. + (*thumb1_movhf): New. + (consttable_2): Add check for HFmode constants. + (consttable_4): Handle HFmode constants. + +2009-06-18 Uros Bizjak <ubizjak@gmail.com> + + * convert.c (convert_to_integer): Convert (int)logb() into ilogb(). + +2009-06-17 Olivier Hainque <hainque@adacore.com> + + * collect2.c (main): Use CONST_CAST2 to perform char ** to + const char ** conversion in AIX specific section. + +2009-06-17 H.J. Lu <hongjiu.lu@intel.com> + + * config/i386/i386.c (ix86_special_builtin_type): Remove + UINT64_FTYPE_PINT. Add UINT64_FTYPE_PUNSIGNED. + (bdesc_special_args): Updated. + (ix86_init_mmx_sse_builtins): Likewise. + (ix86_expand_special_args_builtin): Likewise. + +2009-06-17 Richard Henderson <rth@redhat.com> + + * tree-pretty-print.c (maybe_dump_asm_name): New. + (dump_decl_name): Use it. + (PRINT_FUNCTION_NAME): Merge into... + (dump_function_name): ... here. Use maybe_dump_asm_name. + +2009-06-17 Cary Coutant <ccoutant@google.com> + + * dbxout.c (dbxout_source_line): Add is_stmt parameter. + Change caller. + * debug.c (struct gcc_debug_hooks): Change placeholder for + source_line hook. + (debug_nothing_int_charstar_int): Replaced by... + (debug_nothing_int_charstar_int_bool): ...this. + * debug.h (struct gcc_debug_hooks): Add is_stmt parameter to + source_line prototype. + (debug_nothing_int_charstar_int): Replaced by... + (debug_nothing_int_charstar_int_bool): ...this. + * defaults.h (SUPPORTS_DISCRIMINATOR): New constant. + * dwarf2out.c (dwarf2out_source_line): Add is_stmt parameter. + Output is_stmt operand when necessary. + * final.c (final_scan_insn): Pass is_stmt to source_line debug hook. + (notice_source_line): Add is_stmt parameter. + * sdbout.c (sdbout_source_line): Add is_stmt parameter. + * vmsdbgout.c (vmsdbgout_source_line): Add is_stmt parameter. + Change callers. + * xcoffout.c (xcoffout_source_line): Add is_stmt parameter. + * xcoffout.h (xcoffout_source_line): Add is_stmt parameter. + +2009-06-17 Ian Lance Taylor <iant@google.com> + + * expr.c (struct move_by_pieces_d): Rename from move_by_pieces. + Change all uses. + (struct store_by_pieces_d): Rename from store_by_pieces. Change + call uses. + +2009-06-17 Adam Nemet <anemet@caviumnetworks.com> + + * tree.h (STRIP_NOPS, STRIP_SIGN_NOPS, + STRIP_USELESS_TYPE_CONVERSION): Use tree_strip_nop_conversions, + tree_strip_sign_nop_conversions and + tree_ssa_strip_useless_type_conversions rather than stripping + the operations here. + (tree_strip_nop_conversions, tree_strip_sign_nop_conversions): + Declare them. + * gimple.h (tree_ssa_strip_useless_type_conversions): Declare it. + * tree-ssa.c (tree_ssa_strip_useless_type_conversions): New function. + * tree.c (tree_nop_conversion, tree_sign_nop_conversion, + tree_strip_nop_conversions, tree_strip_sign_nop_conversions): New + functions. + +2009-06-17 Michael Eager <eager@eagercon.com> + + * config/rs6000/constraints.md (register_constraint "d"): New. + * config/rs6000/dfp.md (movsd_store, extendsddd2, extendsdtd2, + truncddsd2, *negdd2_fpr, *absdd2_fpr, *nabsdd2_fpr, + *movdd_hardfloat32, *movdd_hardfloat64_mfpgpr, *movdd_hardfloat64, + *negtd2_fp, *abstd2_fpr, *nabstd2_fpr, *movtd_internal, extendddtd2, + trunctddd2, adddd3, addtd3, subdd3, subtd3, muldd3, multd3, divdd3, + divtd3, *cmpdd_internal1, *cmptd_internal1, floatditd2, ftruncdd2, + fixdddi2, ftrunctd2, fixtddi2): replace 'f' constraint with 'd' + * config/rs6000/ppu_intrinsics.h (__mffs, __mtfsf, __mtfsfi, __fabs, + __fnabs, __fmadd, __fmsub, __fnmadd, __fnmsub, __fsel, __frsqrte, + __fsqrt, __fmul, __fmuls, __frsp, __fcfid, __fctid, __fctidz, __fctiw, + __fctiwz): Same. + * config/rs6000/rs6000.md (*extendsfdf2_fpr, *truncdfsf2_fpr, + *fseldfsf4, *negdf2_fpr, *absdf2_fpr, *nabsdf2_fpr, *adddf3_fpr, + *subdf3_fpr, *muldf3_fpr, *divdf3_fpr, recipdf3, fred, sqrtdf2, + *fseldfdf4, *fselsfdf4, *floatsidf2_internal, *floatunssidf2_internal, + *fix_truncdfsi2_internal, fix_truncdfsi2_internal_gfxopt, + fix_truncdfsi2_mfpgpr, fctiwz, btruncdf2, ceildf2, floordf2, rounddf2, + stfiwx, floatdidf2, fix_truncdfdi2, floatdisf2_internal1, + *movdf_hardfloat32, *movdf_hardfloat64_mfpgpr, *movdf_hardfloat64, + *movtf_internal, *extenddftf2_internal, trunctfdf2_internal1, + trunctfdf2_internal2, trunctfsf2_fprs, fix_trunc_helper, + *fix_trunctfsi2_internal, negtf2_internal, *movdi_internal32, + *movdi_mfpgpr, *movdi_internal64, *movdf_update1, *movdf_update2, + *cmpdf_internal1, *cmptf_internal1, *cmptf_internal2): Same. + * doc/md.texi: Describe PowerPC 'd' constraint, update 'f' constraint. + +2009-06-16 Ian Lance Taylor <iant@google.com> + + * profile.c (total_num_never_executed): Don't define. + (compute_branch_probabilities): Don't count or print + num_never_executed. + (init_branch_prob): Don't set total_num_never_executed. + (end_branch_prob): Don't print total_num_never_executed. + +2009-06-17 David Daney <ddaney@caviumnetworks.com> + + * jump.c (cleanup_barriers): Handle case of no insns before a barrier. + +2009-06-17 David Edelsohn <edelsohn@gnu.org> + + * config/rs6000/dfp.md (nabsdd2_fpr): Correct mode. + (nabstd2_fpr): Same. + +2009-06-17 Steve Ellcey <sje@cup.hp.com> + + * expr.c (expand_assignment): Change complex type check. + +2009-06-17 Basile Starynkevitch <basile@starynkevitch.net> + + * doc/plugins.texi (Building GCC plugins): Added new section. + +2009-06-17 Ian Lance Taylor <iant@google.com> + + * c-pch.c (get_ident): Don't set size of templ array. + (pch_init): Don't set size of partial_pch array. + + * c-typeck.c (digest_init): If -Wc++-compat, warn about using a + string constant to intialize an array whose size is the length of + the string. + +2009-06-17 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/40389 + * tree-ssa-structalias.c (handle_rhs_call): Restrict NRV case + to addressable types. + * gimple.c (walk_stmt_load_store_addr_ops): Likewise. + +2009-06-17 Richard Guenther <rguenther@suse.de> + + PR middle-end/40460 + * tree-chrec.h (build_polynomial_chrec): If we cannot determine + if there is no evolution of left in the loop bail out. + * tree-chrec.c (chrec_fold_multiply_poly_poly): CSE one + chrec_fold_multiply. + +2009-06-16 J"orn Rennecke <joern.rennecke@arc.com> + Janis Johnson <janis187@us.ibm.com> + + PR target/39254 + * config/rs6000/rs6000.c (rs6000_emit_move): Don't emit a USE + for the symbol ref of a constant that is the source of a move + - nor for any other not-obvious-label-ref constants. + +2009-06-16 Olatunji Ruwase <tjruwase@google.com> + + * plugin.c (position_pass): Skip newly inserted pass during list + traversal to avoid repeated insertion. + +2009-06-16 Ian Lance Taylor <iant@google.com> + + * vec.h (VEC_stack_alloc): Define different version if + GATHER_STATISTICS is defined, to accept and ignore MEM_STAT. + (DEF_VEC_ALLOC_FUNC_P_STACK): Remove MEM_STAT_DECL. + (DEF_VEC_ALLOC_FUNC_O_STACK): Likewise. + (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise. + +2009-06-16 H.J. Lu <hongjiu.lu@intel.com> + + * config.gcc (extra_headers): Add ia32intrin.h for x86. + + * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_BSRSI, + IX86_BUILTIN_BSRDI. IX86_BUILTIN_RDPMC, IX86_BUILTIN_RDTSC. + IX86_BUILTIN_RDTSCP. IX86_BUILTIN_ROLQI, IX86_BUILTIN_ROLHI, + IX86_BUILTIN_RORQI and IX86_BUILTIN_RORHI. + (ix86_special_builtin_type): Add UINT64_FTYPE_VOID, + UINT64_FTYPE_PINT, INT_FTYPE_INT, UINT64_FTYPE_INT, + INT64_FTYPE_INT64, UINT16_FTYPE_UINT16_INT and UINT8_FTYPE_UINT8_INT. + (bdesc_special_args): Add __builtin_ia32_rdtsc and + __builtin_ia32_rdtscp. + (bdesc_args): Add __builtin_ia32_bsrsi, __builtin_ia32_bsrdi, + __builtin_ia32_rolqi, __builtin_ia32_rolhi, __builtin_ia32_rorqi + and __builtin_ia32_rorhi. + (ix86_init_mmx_sse_builtins): Handle UINT64_FTYPE_VOID, + UINT64_FTYPE_PINT, INT_FTYPE_INT, UINT64_FTYPE_INT, + INT64_FTYPE_INT64, UINT16_FTYPE_UINT16_INT and UINT8_FTYPE_UINT8_INT. + (ix86_expand_args_builtin): Likewise. + (ix86_expand_special_args_builtin): Likewise. + + * config/i386/i386.md (UNSPECV_RDTSCP): New. + (UNSPECV_RDTSC): Likewise. + (UNSPECV_RDPMC): Likewise. + (*bsr): Renamed to ... + (bsr): This + (*bsr_rex64): Renamed to ... + (bsr_rex64): This. + (rdpmc): New. + (*rdpmc): Likewise. + (*rdpmc_rex64): Likewise. + (rdtsc): Likewise. + (*rdtsc): Likewise. + (*rdtsc_rex64): Likewise. + (rdtscp): Likewise. + (*rdtscp): Likewise. + (*rdtscp_rex64): Likewise. + + * config/i386/ia32intrin.h: New. + + * config/i386/x86intrin.h: Include <ia32intrin.h>. + +2009-06-16 Ian Lance Taylor <iant@google.com> + + * ira-build.c (copy_info_to_removed_store_destinations): + Initialize parent_a. + +2009-06-16 Ian Lance Taylor <iant@google.com> + + * c-decl.c (grokdeclarator): Change size_varies to bool. + +2009-06-16 Ian Lance Taylor <iant@google.com> + + * sel-sched.c: Make forward declarations of move_op_hooks and + fur_hooks explicitly extern. + +2009-06-16 Ian Lance Taylor <iant@google.com> + + * df-problems.c (df_byte_lr_alloc): Don't set problem_data to itself. + * vec.c (vec_gc_o_reserve_1): Don't set alloc to itself. + +2009-06-16 Ian Lance Taylor <iant@google.com> + + * resource.c (mark_referenced_resources): Change + include_delayed_effects parameter to bool. Change all callers. + (mark_end_of_function_resources): Likewise. + * reorg.c (insn_references_resource_p): Likewise. + (insn_sets_resource_p): Likewise. + * resource.h (mark_referenced_resources): Update declaration. + (mark_end_of_function_resources): Update declaration. + +2009-06-16 David Edelsohn <edelsohn@gnu.org> + + * config/rs6000/aix.h (LIBSTDCXX_STATIC): Remove -lstdc++. + +2009-06-16 David Edelsohn <edelsohn@gnu.org> + + * doc/install.texi (*-*-aix): Update explanation of XLC bootstrap. + GCC can bootstrap on AIX with GNU Binutils 2.20. + +2009-06-16 Ian Lance Taylor <iant@google.com> + + * Makefile.in (tree-vect-stmts.o): Depend upon $(TOPLEV_H). + +2009-06-16 Ian Lance Taylor <iant@google.com> + + * toplev.h (floor_log2): If GCC_VERSION >= 3004, declare as static + inline, not extern inline. + (exact_log2): Likewise. + * toplev.c (floor_log2): Only define if GCC_VERSION < 3004. Don't + test CLZ_HWI. + (exact_log2): Likewise, but don't test CTZ_HWI. + +2009-06-16 Ian Lance Taylor <iant@google.com> + + * bitmap.c (bitmap_clear): Don't declare as inline. + * gimple.c (gimplify_assign): Likewise. + * tree-ssa-sccvn.c (vn_nary_op_compute_hash): Likewise. + * haifa-sched.c (insn_cost): Don't declare with HAIFA_INLINE. + (sched_scan_info): Remove duplicate definition. + +2009-06-16 Ian Lance Taylor <iant@google.com> + + * c-common.c (skip_evaluation): Don't define. + (c_inhibit_evaluation_warnings): Define global variable. + (overflow_warning): Check c_inhibit_evaluation_warnings rather + than skip_evaluation. + (convert_and_check, warn_for_div_by_zero): Likewise. + * c-common.h (skip_evaluation): Don't declare. + (c_inhibit_evaluation_warnings): Declare. + * c-parser.c (c_parser_typeof_specifier): Set + c_inhibit_evaluation_warnings rather than skip_evaluation. + (c_parser_conditional_expression): Likewise. + (c_parser_binary_expression): Likewise. + (c_parser_sizeof_expression): Likewise. + (c_parser_alignof_expression): Likewise. + * c-typeck.c (build_indirect_ref): Check + c_inhibit_evaluation_warnings rather than skip_evaluation. + (build_conditional_expr, build_binary_op): Likewise. + +2009-06-16 Richard Guenther <rguenther@suse.de> + + * tree-ssa-alias.c (is_escape_site): Remove. + * tree-ssa-alias.h (enum escape_type): Remove. + (is_escape_site): Likewise. + * tree-ssa-structalias.c (find_func_aliases): Handle escapes + via casts and asms without deferring to is_escape_site. + +2009-06-16 Jakub Jelinek <jakub@redhat.com> + + PR middle-end/40446 + * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: Don't + use gen_lowpart if op0 has complex mode. + +2009-06-16 Richard Guenther <rguenther@suse.de> + + * tree-ssa-structalias.c (do_ds_constraint): Stores in global + variables add them to ESCAPED. + (find_func_aliases): Do not make all indirectly stored values escaped. + +2009-06-16 Rafael Avila de Espindola <espindola@google.com> + + * config/i386/winnt.c (i386_pe_encode_section_info): Update call to + make_decl_one_only. + +2009-06-16 Martin Jambor <mjambor@suse.cz> + + PR tree-optimization/40432 + * tree-sra.c (sra_modify_assign): When creating VIEW_CONVERT_EXPR, + check whether we need to force gimple register operand. + +2009-06-16 Martin Jambor <mjambor@suse.cz> + + PR tree-optimization/40413 + * tree-sra.c (load_assign_lhs_subreplacements): Pass offset to + build_ref_for_offset. + (propagate_subacesses_accross_link): Fix a typo in a comment. + +2009-06-16 Ira Rosen <irar@il.ibm.com> + + * tree-parloops.c (loop_parallel_p): Call vect_is_simple_reduction + with additional parameter. + * tree-vectorizer.h (enum vect_def_type): Add new value + vect_nested_cycle. + (enum vect_relevant): Add comments. + (vect_is_simple_reduction): Add new argument. + * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Add comments. + Detect nested cycles. + (vect_is_simple_reduction): Update documentation, add an argument to + distinguish inner-loop reduction from nested cycle, detect nested + cycles, fix printings and indentation, don't swap operands in case + of nested cycle. + (get_initial_def_for_reduction): Handle subtraction. + (vect_create_epilog_for_reduction): Add new argument to specify + reduction variable. + (vect_finalize_reduction): Handle subtraction, fix comments. + (vectorizable_reduction): Handle nested cycles. In case of nested + cycle keep track of the reduction variable position. Call + vect_is_simple_reduction with additional parameter. Use original + statement code in reduction epilogue for nested cycle. Call + vect_create_epilog_for_reduction with additional parameter. + * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Assert + inner-loop vectorization. + (vect_recog_widen_sum_pattern): Likewise. + * tree-vect-stmts.c (process_use): Distinguish between nested cycles + and reductions. + (vect_mark_stmts_to_be_vectorized): Likewise. + (vect_get_vec_def_for_operand): Handle nested cycles. + +2009-06-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de> + + * doc/invoke.texi (Debugging Options): Fix option index entries + for -fdump-statistics, -frandom-seed add entries for + -fdump-tree-original, -fdump-tree-optimized, -frandom-seed. + (FRV Options): Fix entries for -mTLS, -mtls. + (HPPA Options): Fix entries for -mgnu-ld, -mhp-ld. + (i386 and x86-64 Options): Fix entry for -mno-red-zone. + (M68hc1x Options): Fix @itemx for -mnominmax. + (MCore Options): Fix entry for -mno-lsim. + (MMIX Options): Fix entry for -mabi=mmixware. + (PDP-11 Options): Fix entry for -mbcopy-builtin. + +2009-06-16 Basile Starynkevitch <basile@starynkevitch.net> + + * doc/plugins.texi (Interacting with the GCC Garbage Collector): + Mention the plugin mode of gengtype. + * doc/gty.texi (Source Files Containing Type Information): Likewise. + * gengtype.c: Updated copyright. + (plugin_files, nb_plugin_files) Added new static variables. + (measure_input_list) Care about plugin_files. + (write_rtx_next): Added early return in plugin mode. + (create_file): Updated copyright year in generated file. Added + asserts. + (oprintf): Added early return if NULL outf. + (get_output_file_with_visibility): Care of plugin_files. + (get_output_file_name): May return null. + (write_local): Added early return. + (put_mangled_filename): Ditto. + (finish_root_table): Added check for base_files. + (write_roots): Care about null when plugins. + (main): Added plugin mode. + +2009-06-15 Ian Lance Taylor <iant@google.com> + + * df-problems.c (df_simulate_one_insn_forwards): Fix braces in switch. + * gcov.c (read_count_file): Add braces around variables declared + before label. + + * c.opt (Wjump-misses-init): New warning. + * c-opts.c (c_common_handle_option): Set warn_jump_misses_init for + -Wall and -Wc++-compat if not already set. + (c_common_post_options): Clear warn_jump_misses_init if it was not + set. + * c-decl.c (struct c_binding): Change type field to a union with + new label field. Make it the first field in the struct. Update + references to type to use u.type instead. + (struct c_spot_bindings): Define. + (struct c_goto_bindings): Define. + (c_goto_bindings_p): Define, along with VECs. + (struct c_label_vars): Define. + (struct c_scope): Add has_label_bindings field. + (bind_label, set_spot_bindings): New static functions. + (decl_jump_unsafe, update_spot_bindings): New static functions. + (update_label_decls): New static function. + (pop_scope): Call update_label_decls. Don't call c_end_vm_scope. + Update binding u.label field to shadowed field. + (c_binding_start_stmt_expr): New function. + (c_binding_end_stmt_expr): New function. + (pushdecl): Don't call c_begin_vm_scope. + (make_label): Add defining and p_label_vars parameters. Change + all callers. + (lookup_label): Correct test for whether a label has not yet been + defined. Call bind_label rather than bind. + (warn_about_goto): New static function. + (lookup_label_for_goto): New function. + (declare_label): Call bind_label rather than bind. + (check_earlier_gotos): New static function. + (define_label): Don't give errors about jumping into statement + expressions or scopes of variably modified types. Call + set_spot_bindings and check_earlier_gotos. Call bind_label + instead of bind. Don't set label_context_stack_se or + label_context_stack_vm. + (c_get_switch_bindings): New function. + (c_release_switch_bindings): New function. + (c_check_switch_jump_warnings): New function. + (start_function): Don't set label_context_stack_se or + label_context_stack_vm. + (finish_function): Likewise. + * c-typeck.c (label_context_stack_se): Don't define. + (label_context_stack_vm): Don't define. + (c_finish_goto_label): Call lookup_label_for_goto rather than + lookup_label. Don't give errors about jumping into a statement + expression or the scope of a variably modified type. Don't set + label_context_stack_se or label_context_stack_vm. + (struct c_switch): Remove blocked_stmt_expr and blocked_vm + fields. Add bindings field. + (c_start_case): Don't set deleted fields. Set bindings field. + (do_case): Rework order of tests. Don't check blocked_stmt_expr + or blocked_vm. Call c_check_switch_jump_warnings. + (c_finish_case): Don't test blocked_stmt_expr field. Call + c_release_switch_bindings. + (c_begin_stmt_expr): Don't increment blocked_stmt_expr in + c_switch_stack. Don't walk label_context_stack_se labels. Don't + set label_context_stack_se. Call c_bindings_start_stmt_expr. + (c_finish_stmt_expr): Don't decrement blocked_stmt_expr in + c_switch_stack. Don't walk label_context_stack_se labels. Don't + set label_context_stack_se. Call c_bindings_end_stmt_expr. + (c_begin_vm_scope, c_end_vm_scope): Don't define. + * c-tree.h (C_DECL_UNJUMPABLE_STMT_EXPR): Don't define. + (C_DECL_UNDEFINABLE_STMT_EXPR): Don't define. + (C_DECL_UNJUMPABLE_VM): Don't define. + (C_DECL_UNDEFINABLE_VM): Don't define. + (struct c_label_list): Don't define. + (struct c_label_context_se): Don't define. + (struct c_label_context_vm): Don't define. + (struct c_spot_bindings): Declare. + (c_bindings_start_stmt_expr): Declare. + (c_bindings_end_stmt_expr): Declare. + (lookup_label_for_goto): Declare. + (c_get_switch_bindings, c_release_switch_bindings): Declare. + (c_check_switch_jump_warnings): Declare. + (label_context_stack_se, label_context_stack_vm): Don't declare. + (c_finish_goto_label): Update declaration. + (c_begin_vm_scope, c_end_vm_scope): Don't declare. + * doc/invoke.texi (Option Summary): Mention -Wjump-misses-init. + (Warning Options): Document -Wjump-misses-init. + +2009-06-15 Jakub Jelinek <jakub@redhat.com> + + * tree-object-size.c (addr_object_size): Fix a pasto in the last + change. + +2009-06-15 Rafael Avila de Espindola <espindola@google.com> + + * cgraph.c (cgraph_make_node_local): Use DECL_COMDAT_GROUP. + +2009-06-15 Aldy Hernandez <aldyh@redhat.com> + + * except.c (init_eh): Use BUILTINS_LOCATION when calling build_decl. + +2009-06-15 Aldy Hernandez <aldyh@redhat.com> + + * tree-eh.c (lower_try_finally_switch): Initialize tf_loc. + +2009-06-15 Rafael Avila de Espindola <espindola@google.com> + + * cgraphunit.c (cgraph_function_versioning,save_inline_function_body): + Use DECL_COMDAT_GROUP instead of DECL_ONE_ONLY. + * cgraph.c (cgraph_create_virtual_clone): Use DECL_COMDAT_GROUP. + * config/i386/i386.c (ix86_file_end): Compute DECL_COMDAT_GROUP. + * dwarf2asm.c (dw2_force_const_mem): Update call to + make_decl_one_only. + * langhooks-def.h (lhd_comdat_group, LANG_HOOKS_COMDAT_GROUP): Remove. + (LANG_HOOKS_DECLS): Remove LANG_HOOKS_COMDAT_GROUP. + * langhooks.c (lhd_comdat_group): Remove. + * langhooks.h (lang_hooks_for_decls): Remove comdat_group. + * tree.h (DECL_COMDAT_GROUP): New. + (DECL_ONE_ONLY): Use DECL_COMDAT_GROUP. + (tree_decl_with_vis): Add comdat_group. Remove one_only. + (make_decl_one_only): Change signature. + * varasm.c (get_emutls_init_templ_addr, emutls_decl): Update call to + make_decl_one_only. + (make_decl_one_only): Change signature. + (default_elf_asm_named_section): Use DECL_COMDAT_GROUP. + +2009-06-15 Richard Guenther <rguenther@suse.de> + + PR middle-end/40439 + * tree.c (widest_int_cst_value): Fix bootstrap on 32bit HWI hosts. + +2009-06-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com> + + * tree-ssa-math-opts.c: Remove extra divide. + +2009-06-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com> + + * config/s390/s390.md ("bswap<mode>2"): Only available on z900. + +2009-06-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com> + + * passes.c: Add bswap pass. + * tree-pass.h: Add pass_optimize_bswap declaration. + * tree-ssa-math-opts.c: Include diagnostics.h for print_gimple_stmt. + Include rtl.h, expr.h and optabs.h for optab_handler check. + (struct symbolic_number, pass_optimize_bswap): New definition. + (do_shift_rotate, verify_symbolic_number_p): New functions. + (find_bswap_1, find_bswap, execute_optimize_bswap): New functions. + (gate_optimize_bswap): New function. + * tree.c (widest_int_cst_value): New function. + * tree.h (widest_int_cst_value): Prototype added. + +2009-06-14 Steven Bosscher <steven@gcc.gnu.org> + + * cfgcleanup.c (old_insns_match_p): Remove code to substitute + REG_EQUAL/REG_EQUIV notes. + +2009-06-14 Richard Guenther <rguenther@suse.de> + + PR middle-end/40389 + * gimple.c (walk_stmt_load_store_addr_ops): The LHS of a call + has its address taken if NRV was applied and it is addressable. + * tree-ssa-structalias.c (get_constraint_for_address_of): New + function split out from ... + (get_constraint_for_1): ... here. + (handle_rhs_call): Use it to mark the return slot escaped if + it is addressable and NRV was applied. + +2009-06-13 Aldy Hernandez <aldyh@redhat.com> + + * config/rs6000/rs6000-protos.h (altivec_resolve_overloaded_builtin): + Change first argument type to location_t. + * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Same. + Do not set input_location. + Use loc instead of input_location throughout. + +2009-06-13 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/40421 + * tree-predcom.c (should_unroll_loop_p): Remove. + (tree_predictive_commoning_loop): Use can_unroll_loop_p. + +2009-06-13 Michael Meissner <meissner@linux.vnet.ibm.com> + + * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): + Add location argument. + +2009-06-13 Aldy Hernandez <aldyh@redhat.com> + + * config/alpha/alpha.c (alpha_build_builtin_va_list): Pass location to + build_decl. + * config/s390/s390.c (s390_build_builtin_va_list): Same. + (s390_gimplify_va_arg): Pass location to create_artificial_label. + * config/spu/spu-protos.h: Add location to + spu_resolve_overloaded_builtin. + * config/spu/spu.c (spu_build_builtin_va_list): Pass location to + spu_build_builtin_va_list. + * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Add location + argument. Pass location to build_function_call_vec. + * config/sh/sh.c (sh_build_builtin_va_list): Pass location to + build_decl. + (emit_fpu_switch): Same. + (sh_gimplify_va_arg_expr): Pass location to create_artificial_label. + * config/xtensa/xtensa.c (xtensa_build_builtin_va_list): Pass location + to build_decl and create_artificial_label. + (xtensa_gimplify_va_arg_expr): Same. + * config/stormy16/stormy16.c (xstormy16_build_builtin_va_list): Same. + (xstormy16_gimplify_va_arg_expr): Same. + * config/iq2000/iq2000.c (iq2000_expand_prologue): Same. + * config/arm/arm.c (arm_build_builtin_va_list): Same. + * config/mips/mips.c (mips_build_builtin_va_list): Same. + (mips16_build_function_stub): Same. + (mips16_build_call_stub): Same. + +2009-06-13 Richard Earnshaw <rearnsha@arm.com> + + PR target/40327 + * arm/constraints.md (Pa, Pb): New constraints. + * arm/arm.md (thumb1_addsi3): Support more complex additions. Add a + split pattern to deal with them. + +2009-06-13 Joerg Sonnenberger <joerg@britannica.bec.de> + + * doc/invoke.texi: Add missing option -Wp,OPTION in list, + fix index entry for -Xpreprocessor. + +2009-06-12 Aldy Hernandez <aldyh@redhat.com> + + * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): + Add location argument to build_decl call. + * config/rs6000/rs6000.c (rs6000_build_builtin_va_list): Same. + (rs6000_init_builtins): Same. + (spe_init_builtins): Same. + (rs6000_gimplify_va_arg): Add location argument to + create_artificial_label call. + +2009-06-12 Steven Bosscher <steven@gcc.gnu.org> + + * timevar.def (TV_COMBINE_STACK_ADJUST): New timevar. + * combine-stack-adj.c (pass_stack_adjustments): Use it. + * Makefile.in: Fix GGC dependency for gcse.o. + +2009-06-12 Aldy Hernandez <aldyh@redhat.com> + + * tree-pretty-print.c (dump_generic_node): Dump column numbers. + * gimple-pretty-print.c (dump_gimple_stmt): Same. + * gimplify.c (gimplify_modify_expr): Set location for GIMPLE_ASSIGNs + created. + * c-parser.c (c_parser_binary_expression): Use current column while + building binary operations. + * common.opt (fshow-column): Enable by default. + * tree-vrp.c (check_array_ref): Use warning_at. + (check_array_bounds): Use location from call back if expr has no + location. + * tree.h: Add location argument to maybe_fold_*. + * tree-ssa-ccp.c (ccp_fold): Pass location to maybe_fold_*. + (maybe_fold_offset_to_array_ref): Add location argument and use it. + (maybe_fold_offset_to_component_ref): Same. + (maybe_fold_offset_to_reference): Same. + (maybe_fold_offset_to_address): Same. + (maybe_fold_stmt_indirect): Same. + (maybe_fold_stmt_addition): Same. + (fold_stmt_r): Pass location to maybe_fold_*. + (fold_gimple_assign): Same. + * c-tree.h: Add location argument to finish_decl, + default_function_array_conversion, store_init_value. + * c-decl.c (define_label): Use error_at. + (c_make_fname_decl): Pass location to finish_decl. + (finish_decl): New location argument. + (build_compound_literal): Pass location to store_init_value. + (grokdeclarator): Pass location to finish_decl. + (grokfield): Same. + * c-typeck.c (array_to_pointer_conversion): New location argument. + (function_to_pointer_conversion): Same. + (default_function_array_conversion): Same. + (parser_build_unary_op): Pass location to overflow_warning. + (parser_build_binary_op): Same. Use warning_at. + (build_unary_op): Pass location to array_to_pointer_conversion. + (build_c_cast): Pass location to digest_init. + (build_modify_expr): New location argument. + (convert_for_assignment): Same. + (store_init_value): Same. + (digest_init): Same. + (output_init_element): Pass location to digest_init and + array_to_pointer_conversion. + (c_finish_return): Pass location to convert_for_assignment. + * gimplify.c (gimplify_conversion): Pass location to + maybe_fold_offset_to_address. + * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Pass location + to maybe_fold_stmt_addition. + * c-omp.c (c_finish_omp_atomic): Pass new location to + build_modify_expr. + (c_finish_omp_for): Same. + * c-common.c (overflow_warning): New argument. + * c-common.h: New argument to build_modify_expr, overflow_warning. + * c-parser.c (c_parser_declaration_or_fndef): Pass location to + finish_decl. + (c_parser_initializer): Pass location to + default_function_array_conversion. + (c_parser_initelt): Same. + (c_parser_initval): Same. + (c_parser_asm_operands): Same. + (c_parser_expr_no_commas): Same. Pass location to build_modify_expr. + (c_parser_conditional_expression): Same. + (c_parser_binary_expression): Add location info to stack. Use it. + (c_parser_unary_expression): Pass location to + default_function_array_conversion, parser_build_unary_op, + build_indirect_ref, c_parser_postfix_expression_after_primary. + (c_parser_postfix_expression_after_primary): New location argument. + Use it. + (c_parser_expression_conv): Pass location to + default_function_array_conversion. + (c_parser_expr_list): Same. + (c_parser_omp_atomic): Same. + (c_parser_omp_for_loop): Same. + * c-tree.h (struct c_declarator): Add comment to id_loc. + (build_array_declarator): New argument. + * c-decl.c (build_array_declarator): Add location argument. + (grokdeclarator): Set id_loc for cdk_array. + * c-parser.c (c_parser_direct_declarator_inner): Pass location to + build_array_declarator. + * tree.c (build_omp_clause): Add location argument. + * tree.h (OMP_CLAUSE_HAS_LOCATION): New macro. + (OMP_CLAUSE_LOCATION): New macro. + (struct tree_omp_clause): Add location field. + (build_omp_clause): Add argument. + * cp/pt.c (tsubst_omp_for_iterator): Pass location to + build_omp_clause. + * cp/parser.c (cp_parser_omp_var_list_no_open): Same. + (cp_parser_omp_clause_collapse): Same. + (cp_parser_omp_clause_default): Same. + (cp_parser_omp_clause_if): Same. + (cp_parser_omp_clause_nowait): Same. + (cp_parser_omp_clause_num_threads): Same. + (cp_parser_omp_clause_ordered): Same. + (cp_parser_omp_clause_schedule): Same. + (cp_parser_omp_clause_untied): Same. + (cp_parser_omp_for_loop): Same. + (cp_parser_omp_parallel): Pass location to c_split_parallel_clauses. + * c-tree.h (c_start_case): Add location argument. + (c_process_expr_stmt): Same. + (c_finish_goto_*): Same. + * tree-parloops.c (initialize_reductions): Pass location to + build_omp_clause. + (create_parallel_loop): Same. + * fortran/trans-openmp.c (gfc_trans_omp_variable_list): Same. + (gfc_trans_omp_reduction_list): Same. + (gfc_trans_omp_clauses): Same. + (gfc_trans_omp_do): Same. + * c-typeck.c (c_finish_goto_label): Same. + (c_finish_goto_ptr): New location argument. + (c_start_case): Same. + (emit_side_effect_warnings): Same. + (c_process_expr_stmt): Same. + (c_finish_stmt_expr): Same. + (c_finish_omp_clauses): Use error_at instead of error. + * gimplify.c (gimplify_adjust_omp_clauses_1): Pass location to + build_omp_clause. + * c-omp.c (c_split_parallel_clauses): New location argument. + * tree-nested.c (convert_nonlocal_reference_stmt): Pass location + to build_omp_clause. + (convert_local_reference_stmt): Same. + (convert_gimple_call): Same. + * c-common.h (c_split_parallel_clauses): New argument. + * c-parser.c (c_parser_statement_after_labels): Pass location to + c_finish_goto_label. + (c_parser_switch_statement): Pass location to c_start_case. + (c_parser_for_statement): Pass location to c_finish_expr_stmt, + and c_process_expr_stmt. + (c_parser_omp_variable_list): Add location argument. + (c_parser_omp_clause_collapse): Pass location to build_omp_clause. + (c_parser_omp_clause_default): Same. + (c_parser_omp_clause_if): Same. + (c_parser_omp_clause_num_threads): Same. + (-c_parser_omp_clause_ordered): Same. + (c_parser_omp_clause_reduction): Pass location to + c_parser_omp_variable_list. + (c_parser_omp_clause_schedule): Pass location to build_omp_clause. + (c_parser_omp_clause_untied): Same. + (c_parser_omp_for_loop): Pass location to c_process_expr_stmt. + (c_parser_omp_parallel): Pass location to c_split_parallel_clauses. + + * c-tree.h (check_for_loop_decls, undeclared_variable, + build_component_ref, build_array_ref, build_external_ref, + c_expr_sizeof_expr, c_expr_sizeof_type, parser_build_unary_op, + build_conditional_expr, build_compound_expr, c_cast_expr, + build_c_cast, build_asm_expr, c_end_compound_stmt, c_finish_stmt_expr, + c_finish_return, c_finish_omp_parallel, c_finish_omp_task): New + argument. + * c-semantics.c (build_stmt): Same. + (build_case_label): Same. + * c-decl.c (c_finish_incomplete_decl): Pass location on down. + (undeclared_variable): New argument. + (make_label): Same. + (lookup_label): Pass location on down. + (define_label): Same. + (finish_decl): Same. + (build_compound_literal): Same. + (finish_struct): Same. + (finish_function): Do not set location here. + (check_for_loop_decls): New argument. + * tree.c (save_expr): Set location. + (build_empty_stmt): New argument. + * tree.h (build_empty_stmt): New argument to build_empty_stmt. + (CAN_HAVE_LOCATION_P): Make sure we have a non empty node. + * builtins.c (gimplify_va_arg_expr): Use locations. + (expand_builtin_sync_operation): Same. + * c-typeck.c (build_component_ref): New argument. + (build_array_ref): Same. + (build_external_ref): Same. + (c_expr_sizeof_expr): Same. + (c_expr_sizeof_type): Same. + (parser_build_unary_op): Same. + (build_conditional_expr): Same. + (build_compound_expr): Pass location on down. + (build_compound_expr): New argument. + (build_c_cast): Same. + (c_cast_expr): Same. + (build_asm_expr): Same. + (c_finish_return): Same. + (c_process_expr_stmt): Pass location on down. + (c_finish_stmt_expr): New argument. + (push_clenaup): Same. + (c_finish_omp_parallel): Same. + (c_finish_omp_task): Same. + * gimplify.c (gimplify_call_expr): Pass location on down. + * c-omp.c (c_finish_omp_master): New argument. + (c_finish_omp_critical): Same. + (c_finish_omp_ordered): Same. + (c_finish_omp_barrier): Same. + (-c_finish_omp_taskwait): Same. + (c_finish_omp_atomic): Same. + (c_finish_omp_flush): Same. + * tree-inline.c (copy_tree_body_r): Pass location on down. + (inline_forbidden_p): Remove use of input_location. + * c-gimplify.c (c_build_bind_expr): New argument. + * c-common.c (c_common_truthvalue_conversion): Pass location on down. + (c_sizeof_or_alignof_type): New argument. + (c_alignof_expr): Same. + (build_va_arg): Same. + (c_add_case_label): Same. + * c-common.h (c_sizeof_or_alignof_type, c_alignof_expr, + c_sizeof, c_alignof, build_va_arg, build_stmt, build_case_label, + c_build_bind_expr, objc_build_selector_expr, objc_build_throw_stmt, + c_finish_omp_master, c_finish_omp_critical, c_finish_omp_ordered, + c_finish_omp_barrier, c_finish_omp_atomic, c_finish_omp_flush, + c_finish_omp_taskwait, c_finish_omp_for, c_split_parallel_clauses): + New argument. + * stub-objc.c (objc_build_selector_expr): Same. + (objc_build_throw_stmt): Same. + * c-parser.c (c_parser_declaration_or_fndef): Pass location on down. + (c_parser_initelt): Same. + (c_parser_compound_statement): Same. + (c_parser_compound_statement_nostart): Same. + (c_parser_label): Same. + (c_parser_statement_after_labels): Same. + (c_parser_if_body): Same. + (c_parser_else_body): Same. + (c_parser_if_statement): Same. + (c_parser_switch_statement): Same. + (c_parser_while_statement): Same. + (c_parser_do_statement): Same. + (c_parser_for_statement): Same. + (c_parser_asm_statement): Same. + (c_parser_conditional_expression): Same. + (c_parser_binary_expression): Same. + (c_parser_cast_expression): Same. + (c_parser_unary_expression): Same. + (c_parser_sizeof_expression): Same. + (c_parser_alignof_expression): Same. + (c_parser_postfix_expression): Same. + (c_parser_expression): Same. + (c_parser_objc_receiver): Same. + (c_parser_omp_variable_list): Same. + (c_parser_omp_structured_block): Same. + (c_parser_omp_atomic): New argument. + (c_parser_omp_barrier): Same. + (c_parser_omp_critical): Same. + (c_parser_omp_flush): Pass location on down. + (c_parser_omp_for_loop): New argument. + (c_parser_omp_for): Same. + (c_parser_omp_master): Same. + (c_parser_omp_ordered): Same. + (c_parser_omp_sections_scope): Same. + (c_parser_omp_sections): Same. + (c_parser_omp_parallel): Same. + (c_parser_omp_single): Same. + (c_parser_omp_task): Same. + (c_parser_omp_taskwait): Pass location on down. + (c_parser_omp_construct): Same. + (c_parser_omp_threadprivate): Same. + * dwarf2asm.c, targhooks.c, optabs.c, tree.c, tree.h, target.h, + builtins.c, omp-low.c, cgraphunit.c, tree-call-cdce.c, + tree-ssa-alias.c, gimple-low.c, c-tree.h, expr.c, tree-parloops.c, + c-decl.c, tree-eh.c, langhooks.c, function.c, stor-layout.c, + c-typeck.c, gimplify.c, c-pragma.c, expmed.c, except.c, coverage.c, + emit-rtl.c, cfgexpand.c, tree-mudflap.c, varasm.c, tree-nested.c, + rtl.h, tree-inline.c, tree-profile.c, c-common.c, c-common.h, + tree-switch-conversion.c, tree-cfg.c, ipa-struct-reorg.c, c-parser.c, + config/i386/i386.c, stmt.c: + Add location argument to the following function definitions and/or + function calls: build_decl, objcp_start_struct, objcp_finish_struct, + start_struct, finish_struct, PUSH_FIELD, create_artificial_label, + cp_make_fname_decl, pushtag, implicitly_declare, c_make_fname_decl, + build_compound_literal, parser_xref_tag, resolve_overloaded_builtin, + do_case, c_finish_bc_stmt, build_compound_literal, + build_function_call. + * c-decl.c (build_compound_literal): Add location argument. + Make all diagnostic calls use location. + (start_struct): Same. + (finish_struct): Same. + (start_enum): Same. + (build_enumerator): Same. + (start_function): Same. + (grokdeclarator): Make all diagnostic calls use location. + (store_parm_decls_oldstyle): Same. + * c-typeck.c (build_function_call): Add location argument. + Make all diagnostic calls use location. + (do_case): Same. + (c_finish_bc_stmt): Same. + * tree-nested.c (get_trampoline_type): Add argument. + Pass location to build_decl. + (lookup_tramp_for_decl): Pass location to get_trampoline_type. + * rtl.h (RTL_LOCATION): New. + * c-common.c (c_add_case_label): Add location argument. + Make all diagnostic calls use location. + * c-common.h: Add location argument to make_fname_decl, do_case, + c_add_case_label, build_function_call, resolve_overloaded_builtin. + * c-parser.c (c_parser_enum_specifier): Rename ident_loc to enum_loc. + Set it appropriately for every case. Pass enum_loc to start_enum + call. Pass value_loc first to build_enumerator. Pass enum_loc to + parser_xref_tag. + (c_parser_struct_or_union_specifier): Save location. Use it for + start_struct, finish_struct, and parser_xref_tag. + +2009-06-12 Ian Lance Taylor <iant@google.com> + + * fold-const.c (fold_unary): Rename local variable and to and_expr. + + * c-opts.c (c_common_handle_option): For -Wc++-compat set + cpp_opts->warn_cxx_operator_names. + +2009-06-12 Andrew Pinski <andrew_pinski@playstation.sony.com> + + PR tree-opt/38865 + * tree-ssa-sccvn.c (visit_reference_op_load): If vn_reference_lookup + is returns NULL and OP is a VCE, look through the VCE. + +2009-06-12 Ian Lance Taylor <iant@google.com> + + PR bootstrap/40430 + * collect2.c (main): Use CONST_CAST2 in code inside #if + LINK_ELIMINATE_DUPLICATE_LDIRECTORIES. + +2009-06-12 Joey Ye <joey.ye@intel.com> + + PR middle-end/39146 + * cfgexpand.c (get_decl_align_unit): Update + max_used_stack_slot_alignment with align instead of + stack_alignment_needed. + + * function.c (assign_stack_local_1): Update + max_used_stack_slot_alignment with alignment_in_bits instead + of stack_alignment_needed. + (locate_and_pad_parm): Don't update max_used_stack_slot_alignment + here. + +2009-06-12 Jakub Jelinek <jakub@redhat.com> + + * dwarf2out.c (last_var_location_insn): New variable. + (dwarf2out_end_epilogue): Clear last_var_location_insn. + (dwarf2out_var_location): Don't record anything after last real + insn. Only change labels if there were any real instructions + in between last note and this one, or if changed sections. + +2009-06-11 Richard Henderson <rth@redhat.com> + + * alpha.c (alpha_expand_prologue): Add a REF_CFA_REGISTER + note when storing the frame pointer in a register. + (FRP): Don't redefine to nothing for epilogue. + (alpha_expand_epilogue): Mark register and sp restores. + (unicosmk_gen_dsib): Don't mark weird frame pointer adjust. + + * config/alpha/alpha.c (alpha_emit_setcc): Fix test for + when gen_lowpart is needed. + +2009-06-11 Richard Henderson <rth@redhat.com> + + * dwarf2out.c (def_cfa_1): Likewise for DW_CFA_cfa_offset. + + * dwarf2out.c (need_data_align_sf_opcode): New. + (div_data_align): Move earlier. + (def_cfa_1, reg_save): Use it. + +2009-06-11 H.J. Lu <hongjiu.lu@intel.com> + + * config/i386/i386.c (OPTION_MASK_ISA_CRC32_SET): New. + (OPTION_MASK_ISA_CRC32_UNSET): Likewise. + (ix86_handle_option): Handle OPT_mcrc32. + (ix86_target_string): Add -mcrc32. + (bdesc_args): Enable crc32 builtins with OPTION_MASK_ISA_CRC32. + + * config/i386/i386.h (TARGET_CRC32): New. + + * config/i386/i386.md (sse4_2_crc32<mode>): Also check TARGET_CRC32. + (sse4_2_crc32di): Likewise. + + * config/i386/i386.opt (mcrc32): New. + + * doc/invoke.texi: Document -mcrc32. + +2009-06-11 Richard Henderson <rth@redhat.com> + + * common.opt (gdwarf-): Accept a version number. + * doc/invoke.texi (gdwarf-): Update docs. + * opth-gen.awk: Special case -gdwarf+ to OPT_gdwarfplus. + * opts.c (common_handle_option) [OPT_gdwarf_]: Verify dwarf + version level, and record it. + + * dwarf2.h (DW_CIE_VERSION): Remove. + * dwarf2out.c (DWARF_VERSION): Remove. + (add_fde_cfi): Skip DW_CFA_set_loc addition for dwarf3. + (output_call_frame_info): Use CIE version 3 for dwarf3, + or if the return register column is out of range for version 1. + (dwarf_stack_op_name): Add all dwarf3 values. + (DEBUG_PUBTYPES_SECTION): New. + (size_of_die) [dw_val_class_die_ref]: Handle DW_FORM_ref_addr + encoding change for dwarf3. + (output_die) [dw_val_class_die_ref]: Likewise. + (output_compilation_unit_header): Emit correct version for dwarf3. + (output_line_info): Likewise. + (output_pubnames): Update for DWARF_VERSION removal. + (output_aranges): Likewise. + (gen_subprogram_die): Emit DW_OP_call_frame_cfa if emitting dwarf3. + (dwarf2out_init): Don't ifdef DEBUG_PUBTYPES_SECTION. + (dwarf2out_finish): Likewise. + +2009-06-11 David Daney <ddaney@caviumnetworks.com> + + * system.h (gcc_assert, gcc_unreachable): Revert accidental commit + in r148403. + +2009-06-11 David Daney <ddaney@caviumnetworks.com> + + PR c/39252 + * doc/extend.texi ( __builtin_unreachable): Document new builtin. + * builtins.c (expand_builtin_unreachable): New function. + (expand_builtin): Handle BUILT_IN_UNREACHABLE case. + * builtins.def (BUILT_IN_UNREACHABLE): Add new builtin. + * cfgcleanup.c (try_optimize_cfg): Delete empty blocks with no + successors. + * cfgrtl.c (rtl_verify_flow_info): Handle empty blocks when + searching for missing barriers. + +2009-06-11 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org> + + * config/darwin.h (LINK_COMMAND_SPEC): Adjust spec to link libcov + when -fprofile-generate* was passed. + * config/darwin9.h (LINK_COMMAND_SPEC): Likewise. + +2009-06-11 Anthony Green <green@moxielogic.com> + + * config/moxie/moxie.md: Define length attribute for all instructions. + (rCC): Define. + (*b<cond:code>): Support limited branch ranges for new PC-relative + branch instructions. + * config/moxie/moxie.h (HAS_LONG_UNCOND_BRANCH): Define. + +2009-06-11 Jakub Jelinek <jakub@redhat.com> + + * config/i386/i386.c (min_insn_size): Use get_attr_length + for normal insns other than TYPE_MULTI, TYPE_OTHER and TYPE_FCMP. + For __asm return 0. + + * config/i386/i386.c (ix86_pad_returns): Use emit_jump_insn_before + instead of emit_insn_before. + +2009-06-10 Ian Lance Taylor <iant@google.com> + + PR bootstrap/40408 + * graphite.c (add_conditions_to_domain): Change SWITCH_EXPR to + GIMPLE_SWITCH. + +2009-06-10 Revital Eres <eres@il.ibm.com> + + * passes.c (init_optimization_passes): Reschedule + predictive-commoning pass before complete unroll pass. + +2009-06-10 Martin Jambor <mjambor@suse.cz> + + * cgraph.c (cgraph_node_can_be_local_p): New function. + (cgraph_make_node_local): New function. + * cgraph.h (cgraph_node_can_be_local_p): Declare. + (cgraph_make_node_local): Declare. + +2009-06-10 Nathan Froyd <froydnj@codesourcery.com> + + * tree.h (tree_base): Add packed_flag and user_align fields. + Decrease size of spare field. + (TYPE_USER_ALIGN): Use user_align from tree_base. + (DECL_USER_ALIGN): Likewise. + (TYPE_PACKED): Use packed_flag from tree_base. + (DECL_PACKED): Likewise. + (tree_type): Delete packed_flag and user_align fields. Widen + precision field. Widen mode field and shuffle fields to align + mode on an 8-bit boundary. + (tree_decl_common): Delete decl_flag_1 and user_align fields. + Renumber decl_flag_* fields. Fix comments. Widen + decl_common_unused field. + (DECL_HAS_VALUE_EXPR_P): Adjust for renumbering of decl_flag_* fields. + (DECL_EXTERNAL): Likewise. + (DECL_BIT_FIELD): Likewise. + (DECL_NONADDRESSABLE_P): Likewise. + (TYPE_DECL_SUPRESS_DEBUG): Likewise. + * config/arm/arm-modes.def (XImode): Make it an INT_MODE. + +2009-06-10 Ian Lance Taylor <iant@google.com> + + * vec.h (DEF_VEC_ALLOC_I): Use DEF_VEC_NONALLOC_FUNCS_I. + (DEF_VEC_ALLOC_P): Use DEF_VEC_NONALLOC_FUNCS_P. + (DEF_VEC_ALLOC_O): Use DEF_VEC_NONALLOC_FUNCS_O. + (DEF_VEC_ALLOC_FUNC_P): Only define VEC_OP (T,A,alloc). + (DEF_VEC_NONALLOC_FUNCS_P): New macro, broken out of old + DEF_VEC_ALLOC_FUNC_P. + (DEF_VEC_ALLOC_FUNC_O): Only define VEC_OP (T,A,alloc). + (DEF_VEC_NONALLOC_FUNCS_O): New macro, broken out of old + DEF_VEC_ALLOC_FUNC_O. + (DEF_VEC_ALLOC_FUNC_I): Only define VEC_OP (T,A,alloc). + (DEF_VEC_NONALLOC_FUNCS_I): New macro, broken out of old + DEF_VEC_ALLOC_FUNC_I. + (vec_stack_p_reserve, vec_stack_p_reserve_exact): Declare. + (vec_stack_p_reserve_exact_1): Declare. + (vec_stack_o_reserve, vec_stack_o_reserve_exact): Declare. + (vec_stack_free): Declare. + (VEC_stack_alloc): Define. + (DEF_VEC_ALLOC_P_STACK, DEF_VEC_ALLOC_FUNC_P_STACK): Define. + (DEF_VEC_ALLOC_O_STACK, DEF_VEC_ALLOC_FUNC_O_STACK): Define. + (DEF_VEC_ALLOC_I_STACK, DEF_VEC_ALLOC_FUNC_I_STACK): Define. + * vec.c (void_p): New type. Call DEF_VEC_P and DEF_VEC_ALLOC_P + for void_p. + (stack_vecs): New static variable. + (vec_stack_p_reserve_exact_1): New function. + (vec_stack_o_reserve_1): New static function. + (vec_stack_p_reserve, vec_stack_p_reserve_exact): New functions. + (vec_stack_o_reserve, vec_stack_o_reserve_exact): New functions. + (vec_stack_free): New function. + * df-scan.c (df_ref): Use DEF_VEC_P and DEF_VEC_ALLOC_P_STACK. + (VEC_df_ref_stack_alloc): Define. + (df_mw_hardreg_ptr): New type. Use DEF_VEC_P and + DEF_VEC_ALLOC_P_STACK. + (VEC_df_mw_hardreg_ptr_stack_alloc): Define. + (struct df_collection_rec): Change _vec fields to VEC. Remove + _use fields. + (df_free_collection_rec): Adjust for new fields. + (df_insn_rescan): Use new df_collection_rec fields. + (df_notes_rescan, df_canonize_collection_rec): Likewise. + (df_ref_create_structure, df_ref_record): Likewise. + (df_get_conditional_uses, df_get_call_refs): Likewise. + (df_insn_refs_collect, df_bb_refs_collect): Likewise. + (df_bb_refs_record, df_record_entry_block_defs): Likewise. + (df_record_exit_block_uses, df_bb_verify): Likewise. + (df_swap_refs): Change ref_vec parameter to VEC. Change all callers. + (df_sort_and_compress_refs): Change ref_vec parameter to VEC. + Remove count parameter. Change return type to void. Change all + callers. + (df_sort_and_compress_mws): Change mw_vec parameter to VEC. + Remove count parameter. Change return type to void. Change all + callers. + (df_install_refs): Change old_vec parameter to VEC. Remove count + parameter. Change all callers. + (df_install_mws): Change old_vec parameter to VEC. Remove count + parameter. Change all callers. + (df_refs_verify): Change new_rec parameter to VEC. Change call + callers. + (df_mws_verify): Likewise. + +2009-06-10 Alexandre Oliva <aoliva@redhat.com> + + * gcc.c (compare_files): Cast munmap argumento to caddr_t. + +2009-06-10 H.J. Lu <hongjiu.lu@intel.com> + + * doc/extend.texi: Add description for __builtin_ia32_crc32di. + +2009-06-10 Anthony Green <green@moxielogic.com> + + * config/moxie/crti.asm: New file. + * config/moxie/crtn.asm: New file. + * config/moxie/moxie.c: New file. + * config/moxie/moxie.h: New file. + * config/moxie/sfp-machine.h: New file. + * config/moxie/moxie-protos.h: New file. + * config/moxie/t-moxie: Created. + * config/moxie/t-moxie-softfp: Created. + * config/moxie/moxie.md: Created. + * config/moxie/constraints.md: Created. + * config.gcc: Add moxie support. + * doc/md.texi (Machine Constraints): Add moxie constraints. + * doc/contrib.texi (Contributors): Mention moxie port. + * doc/install.texi (Specific): Mention the moxie port. + +2009-06-09 Ian Lance Taylor <iant@google.com> + + * system.h (HAVE_DESIGNATED_INITIALIZERS): Don't define if + compiling with C++. + * optabs.c (optab_table): Only use designated initializers if + HAVE_DESIGNATED_INITIALIZERS is defined. + (convert_optab_table): Likewise. + (init_optabs): Always call init_insn_codes if + HAVE_DESIGNATED_INITIALIZERS is not defined. + +2009-06-09 Ian Lance Taylor <iant@google.com> + + * targhooks.c (default_builtin_vectorized_function): Change fn + parameter to unsigned int. + (default_builtin_vectorized_conversion): Change code parameter to + unsigned int. + (default_builtin_reciprocal): Change fn parameter to unsigned int. + * targhooks.h: Update declarations. + * config/rs6000/rs6000.c (rs6000_builtin_conversion): Change code + parameter to unsigned int. + + * c-typeck.c (comptypes_check_enum_int): New static function. + (comptypes_internal): Add enum_and_int_p parameter. Change all + callers. + (comp_target_types): Add location parameter. Change all callers. + (tagged_types_tu_compatible_p): Add enum_and_int_p parameter. + Change all callers. + (function_types_compatible_p, type_lists_compatible_p): Likewise. + (build_conditional_expr): Add colon_loc parameter. Change all + callers. + (convert_for_assignment): Add location parameter. Change all callers. + * c-parser.c (c_parser_conditional_expression): Pass location of + colon to build_conditional_expr. + * c-tree.h (build_conditional_expr): Update declaration. + +2009-06-09 Sebastian Pop <sebastian.pop@amd.com> + + * graphite.c: Revert previous patch. + +2009-06-09 Sebastian Pop <sebastian.pop@amd.com> + + PR bootstrap/40103 + * graphite.c: Remove pragma GCC diagnostic warning "-Wc++-compat". + +2009-06-09 Ghassan Shobaki <ghassan.shobaki@amd.com> + + * tree-ssa-loop-prefetch.c + (loop_prefetch_arrays): Fixed a portability problem in printf format + string. + +2009-06-09 Martin Jambor <mjambor@suse.cz> + + PR tree-optimization/40351 + * tree-sra.c (propagate_subacesses_accross_link): Check that a + refrence to a potential artifical subaccess can be constructed. + +2009-06-08 Kaz Kojima <kkojima@gcc.gnu.org> + + * config/sh/sh-protos.h (sh_optimization_options): Declare. + (sh_override_options): Likewise. + * config/sh/sh.c: Include params.h. + (sh_optimization_options): New. + (sh_override_options): Likewise. + * config/sh/sh.c (OPTIMIZATION_OPTIONS): Use sh_optimization_options. + (OVERRIDE_OPTIONS): Use sh_override_options. + +2009-06-08 Jakub Jelinek <jakub@redhat.com> + + * dwarf2out.c (emit_cfa_remember): New variable. + (add_fde_cfi): If emit_cfa_remember, recurse to add + DW_CFA_remember_state first. + (dwarf2out_begin_epilogue): Don't add_fde_cfi DW_CFA_remember_state, + instead just set emit_cfa_remember. + +2009-06-08 Jan Hubicka <jh@suse.cz> + + PR debug/40126 + * dwarf2out.c (dwarf2out_abstract_function): Free decl_loc_table. + +2009-06-08 Jan Hubicka <jh@suse.cz> + + PR middle-end/39834 + * cgraphunit.c (save_inline_function_body): Do not copy transform + hooks for saved inline bodies. + * ipa-passes.c (do_per_function): Do not add the hoks multiple times + for given function. + +2009-06-08 Adam Nemet <anemet@caviumnetworks.com> + + * jump.c (returnjump_p): Handle delayed branches. Add missing + function comment. + +2009-06-08 Jan Hubicka <jh@suse.cz> + + PR middle-end/40102 + * cgraph.c (cgraph_create_edge_including_clones): Also asume that the + original node might've been modified. + * tree-inline.c (copy_bb): Do not assume that all clones are the same. + +2009-06-08 Jakub Jelinek <jakub@redhat.com> + + * tree-object-size.c (addr_object_size): Add OSI argument. + Handle also INDIRECT_REF with SSA_NAME inside of it as base address. + (compute_builtin_object_size, expr_object_size): Adjust callers. + (plus_stmt_object_size): Call addr_object_size instead of + compute_builtin_object_size. + +2009-06-08 Ghassan Shobaki <ghassan.shobaki@amd.com> + Dwarakanath Rajagopal <dwarak.rajagopal@amd.com> + + * tree-ssa-loop-prefetch.c + (gather_memory_references): Introduced a counter for the number of + memory references. + (anything_to_prefetch_p): Introduced a counter for the number of + prefetches. + (is_loop_prefetching_profitable): New function with a cost model + for prefetching. + (loop_prefetch_arrays): Use the new cost model to determine if + prefetching is profitable. + * params.def (MIN_INSN_TO_PREFETCH_RATIO, + PREFETCH_MIN_INSN_TO_MEM_RATIO): New parameters. + * params.h (MIN_INSN_TO_PREFETCH_RATIO, + PREFETCH_MIN_INSN_TO_MEM_RATIO): New parameters. + * doc/invoke.texi (MIN_INSN_TO_PREFETCT_RATIO, + PREFETCH_MIN_INSN_TO_MEM_RATIO): New parameters. + +2009-06-08 Michael Matz <matz@suse.de> + + PR debug/40012 + * cfgexpand.c (set_rtl): Store place also in DECL_RTL, if all + partitions use the same. + (expand_one_var): Deal with DECL_RTL sometimes begin set also + for basevars of SSA_NAMEs. + (expand_used_vars): Reset TREE_USED for basevars of SSA_NAMEs, + to not expand them twice. + (gimple_expand_cfg): Clear DECL_RTL for those decls that have + multiple places. + +2009-06-08 Alexandre Oliva <aoliva@redhat.com> + + * common.opt (fcompare-debug=, fcompare-debug-second): New. + (fdump-final-insns=, gtoggle): New. + * doc/invoke.texi: Document them. + * final.c (rest_of_clean_state): Dump final insn stream. + * gcc.c (invoke_as): Hook in -fcompare-debug. + (static_spec_functions): Add compare-debug-dump-opt, + compare-debug-self-opt and compare-debug-auxbase-opt. + (compare_debug, compare_debug_second, compare_debug_opt): New. + (switches_debug_check, n_switches_debug_check): New. + (debug_auxbase_opt, debug_check_temp_file): New. + (process_command): Handle -fno-compare-debug, -fcompare-debug and + -fcompare-debug=*. + (do_self_spec): Handle arguments after switches. + (do_spec_1): Add .gk extension to temp file basenames for compare. + (check_live_switch): Take SWITCH_IGNORE into account, and earlier. + (cc1_options): Use it instead of normal auxbase computation for + the second compare-debug compilation. + (compare_files): New. + (main): Set up and implement compare debug mode. + (compare_debug_dump_opt_spec_function): New. + (compare_debug_self_opt_spec_function): New. + (compare_debug_auxbase_opt_spec_function): New. + * toplev.c (process_options): Handle flag_gtoggle, + flag_dump_final_insns. + * coverage.c (coverage_begin_output): Don't overwrite .gcno file + during -fcompare-debug-second compilation. + +2009-06-07 Ian Lance Taylor <iant@google.com> + + * dwarf2.h (enum dwarf_location_atom): Add INTERNAL_DW_OP_tls_addr. + * dwarf2out.c (INTERNAL_DW_OP_tls_addr): Don't #define. + + * c-common.c (c_do_switch_warnings): Don't exit early for -Wswitch + with no default node. Change warning with %H to warning_at. + Don't clear warn_switch around case checking. + * doc/invoke.texi (Warning Options): Clarify distinction between + -Wswitch and -Wswitch-enum. + +2009-06-07 Bernhard Reutner-Fischer <aldot@gcc.gnu.org> + + * tree-pass.h (TODO_update_ssa_any): Document internal use only. + +2009-06-07 Bernhard Reutner-Fischer <aldot@gcc.gnu.org> + + * gbl-ctors.h: Add header guard. + +2009-06-07 Bernhard Reutner-Fischer <aldot@gcc.gnu.org> + + * tree-flow.h (make_value_handle, set_value_handle, sort_vuses, + sort_vuses_heap, vn_lookup_or_add, vn_lookup_or_add_with_stmt, + vn_lookup_or_add_with_vuses, vn_add, vn_add_with_vuses, + vn_lookup_with_stmt, vn_lookup, vn_lookup_with_vuses): Remove + prototypes for removed functions. + (expressions_equal_p): Move to ... + * tree-ssa-sccvn.h: ... here and ... + * matrix-reorg.c: ... adjust includes. + +2009-06-07 Bernhard Reutner-Fischer <aldot@gcc.gnu.org> + + * ipa-struct-reorg.c (do_reorg_1): Fix whitespace in dump output. + +2009-06-07 Bernhard Reutner-Fischer <aldot@gcc.gnu.org> + + * c-decl.c (finish_decl): Use bool for variable was_incomplete. + (finish_function): Remove erroneous whitespace. + +2009-06-07 Bernhard Reutner-Fischer <aldot@gcc.gnu.org> + + * tree-cfg.c (gimple_merge_blocks): Commentary typo fix. + (verify_stmts): Print statement who's gimple_bb is set to a wrong BB + +2009-06-07 Bernhard Reutner-Fischer <aldot@gcc.gnu.org> + + * errors.c (internal_error): Commentary typo fix. + * gimple-iterator.c (gsi_insert_seq_on_edge): Ditto. + * tree-ssa-pre.c: Ditto. + +2009-06-07 Bernhard Reutner-Fischer <aldot@gcc.gnu.org> + + * basic-block.h (ENTRY_BLOCK, EXIT_BLOCK): Document that neither of + them is supposed to hold actual statements. + +2009-06-06 Ian Lance Taylor <iant@google.com> + + * doc/extend.texi (Attribute Syntax): Document that C++ labels on + empty statements can now have attributes. + +2009-06-05 Shujing Zhao <pearly.zhao@oracle.com> + + * config/mips/mips.c: Use REG_P and CONST_INT_P where applicable. + * config/mips/mips.md: Ditto. + +2009-06-05 Nathan Froyd <froydnj@codesourcery.com> + + * config/rs6000/eabi.asm (__eabi_convert): Don't define if + _RELOCATABLE. + (__eabi_uconvert): Likewise. + +2009-06-05 Nathan Froyd <froydnj@codesourcery.com> + + * config/rs6000/ppc-asm.h: Protect auto-host.h inclusion and + CFI_* definitions with IN_GCC. + +2009-06-05 David Edelsohn <edelsohn@gnu.org> + + * xcoffout.h (xcoffout_source_line): Update prototype. + +2009-06-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * builtins.c (do_mpc_ckconv, do_mpc_arg1): Use + mpc_realref/mpc_imagref instead of MPC_RE/MPC_IM. + +2009-06-05 Jakub Jelinek <jakub@redhat.com> + + PR middle-end/40340 + * tree-ssa-live.c (remove_unused_scope_block_p): Don't prune + inlined_function_outer_scope_p blocks for artificial inlines + even at -g0/-g1. + * tree.c (tree_nonartificial_location): Rewrite using + block_nonartificial_location. + +2009-06-05 Revital Eres <eres@il.ibm.com> + Leehod Baruch <leehod@il.ibm.com> + + * expr.c (expand_assignment): Expand MISALIGNED_INDIRECT_REF. + (expand_expr_real_1): Remove comment. + * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): + Vectorize misaligned access when the target supports it. + (vect_supportable_dr_alignment): Check for unaligned access support. + * tree-vect-stmts.c (vectorizable_store): Generate misaligned store + and remove asset. + +2009-06-05 Julian Brown <julian@codesourcery.com> + + * config/arm/ieee754-df.S (cmpdf2): Avoid writing below SP. + * config/arm/ieee754-sf.S (cmpsf2): Likewise. + +2009-06-05 Richard Guenther <rguenther@suse.de> + + PR bootstrap/40350 + * dwarf2out.c (dwarf2out_begin_function): Mark discriminator + as possibly unused. + +2009-06-05 Jakub Jelinek <jakub@redhat.com> + + * config/s390/s390.c (global_not_special_regno_p): New static inline. + (save_gprs): Don't tell unwinder when a global register is saved. + (s390_emit_epilogue): Emit needed epilogue unwind info. + +2009-06-05 Alexandre Oliva <aoliva@redhat.com> + + * dwarf2out.c (deferred_asm_name): New. + (add_name_and_src_coords_attributes): Defer creation of + DW_AT_MIPS_linkage_name attribute if DECL_ASSEMBLER_NAME was not + computed yet. + (move_linkage_attr): New. + (dwarf2out_finish): Revisit deferrals and emit attributes at the + right place. + +2009-06-05 Alexandre Oliva <aoliva@redhat.com> + + * tree-nested.c (finalize_nesting_tree_1): Declare the + frame_decl in the binding tree. + +2009-06-04 Cary Coutant <ccoutant@google.com> + + * basic-block.h (struct basic_block_def): Add discriminator field. + * dbxout.c (dbxout_source_line): Add new parameter. Change all + callers. + * debug.c (do_nothing_debug_hooks): Add additional entry. + (debug_nothing_int_charstar_int): New function. + * debug.h (struct gcc_debug_hooks): Add parameter to source_line hook. + (debug_nothing_int_charstar_int): New declaration. + * dwarf2out.c (dwarf2out_source_line): Add new parameter. Write + discriminator value in .loc directive. + * final.c (last_discriminator): New variable. + (discriminator): New variable. + (final_start_function): Initialize above variables, pass current + discriminator to debug hook. + (notice_source_line): Check for discriminator change. + * gimple-pretty-print.c (dump_bb_header): Print discriminator value. + * sdbout.c (sdbout_source_line): New parameter. + * tree-cfg.c (struct locus_discrim_map): New structure type. + (discriminator_per_locus): New hash table. + (build_gimple_cfg): Allocate and free discriminator hash table. + (make_edges): Call assign_discriminator. + (locus_map_hash): New function. + (locus_map_eq): New function. + (next_discriminator_for_locus): New function. + (same_line_p): New function. + (assign_discriminator): New function. + (make_cond_expr_edges): Call assign_discriminator. + (make_gimple_switch_edges): Likewise. + (first_non_label_stmt): New function. + * vmsdbgout.c (vmsdbgout_source_line): Add new parameter. Change + all callers. + * xcoffout.c (xcoffout_source_line): Add new parameter. + + * configure.ac (gcc_cv_as_discriminator): New configury check for + gas support for discriminator. + * configure: Regenerate. + * config.in: Regenerate. + +2009-06-04 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com> + + * config/arm/arm.c (thumb2_legitimate_index_p): Initialize + val after checking for integers. + +2009-06-04 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/i386.h (X86_64_MS_REGPARM_MAX): Rename from + X64_REGPARM_MAX. + (REGPARM_MAX): Use X86_64_MS_REGPARM_MAX. + (X86_64_MS_SSE_REGPARM_MAX): Rename from X64_SSE_REGPARM_MAX. + (SSE_REGPARM_MAX): Use X86_64_MS_SSE_REGPARM_MAX. + * config/i386/i386.c: Use X86_64_MS_REGPARM_MAX instead of + X64_REGPARM_MAX. Use X86_64_MS_SSE_REGPARM_MAX instead of + X64_SSE_REGPARM_MAX. + * config/i386/i386.md: Use X86_64_MS_SSE_REGPARM_MAX instead of + X64_SSE_REGPARM_MAX. + +2009-06-04 Alexandre Oliva <aoliva@redhat.com> + + * gcc.c (report_times_to_file): New. + (execute): Implement it. + (process_command): Support -time=. + * doc/invoke.texi: Document it. + +2009-06-04 Alexandre Oliva <aoliva@redhat.com> + + * tree-ssa-live.c (remove_unused_scope_block_p): Keep variables + that have value exprs. + +2009-06-04 Alexandre Oliva <aoliva@redhat.com> + + * dwarf2asm.c (dw2_force_const_mem): Defer creation of + declarations for constants until... + (dw2_output_indirect_constant_1): ... this point. + +2009-06-04 Richard Earnshaw <rearnsha@arm.com> + + PR target/10242 + * arm.md (arm_addsi3): Don't try to split an add with an + eliminable register until after reload has completed. + +2009-06-03 Ian Lance Taylor <iant@google.com> + + * dummy-checksum.c (executable_checksum): Use EXPORTED_CONST. + * genattrtab.c (write_length_unit_log): Likewise. + * genchecksum.c (dosum): Likewise. + * gengtype.c (write_rtx_next): Likewise. + (finish_root_table, write_roots): Likewise. + * gimple.c (gimple_ops_offset_): Likewise. + * tree-nomudflap.c (gt_ggc_r_gt_tree_mudflap_h): Likewise. + * config/arc/arc.c (arc_attribute_table): Likewise. + * config/arm/arm.c (arm_attribute_table): Likewise. + * config/avr/avr.c (avr_attribute_table): Likewise. + * config/crx/crx.c (crx_attribute_table): Likewise. + * config/m32r/m32r.c (m32r_attribute_table): Likewise. + * config/m68hc11/m68hc11.c (m68hc11_attribute_table): Likewise. + * config/mcore/mcore.c (mcore_attribute_table): Likewise. + * config/rs6000/rs6000.c (rs6000_attribute_table): Likewise. + * config/sh/sh.c (sh_attribute_table): Likewise. + * config/sparc/sparc.c (sparc_attribute_table): Likewise. + * config/spu/spu.c (spu_attribute_table): Likewise. + * config/v850/v850.c (v850_attribute_table): Likewise. + + * config/alpha/alpha.c (vms_attribute_table): Make static. + * config/bfin/bfin.c (bfin_attribute_table): Likewise. + * config/h8300/h8300.c (h8300_attribute_table): Likewise. + * config/mips/mips.c (mips_attribute_table): Likewise. + + * Makefile.in (dummy-checksum.o): Depend upon $(CONFIG_H) and + $(SYSTEM_H). + (cc1-checksum.o): Likewise. + +2009-06-03 Steve Ellcey <sje@cup.hp.com> + + * config/ia64/vect.md (*movv2sf_internal): Handle big endian case. + +2009-06-03 Jakub Jelinek <jakub@redhat.com> + + * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Return generated + insn if it is changing sp. Use gen_add3_insn instead of + conditionally gen_addsi3 and gen_adddi3. + (offset_below_red_zone_p): New static inline function. + (rs6000_emit_epilogue): Emit needed epilogue unwind info. + Use gen_add3_insn instead of conditionally gen_addsi3 and gen_adddi3. + * config/rs6000/ppc-asm.h: Include auto-host.h. + (CFI_STARTPROC, CFI_ENDPROC, CFI_DEF_CFA_REGISTER, CFI_OFFSET, + CFI_RESTORE): Define. + * config/rs6000/crtresxgpr.asm: Add unwind info. + * config/rs6000/crtresxfpr.asm: Likewise. + * config/rs6000/crtresgpr.asm: Likewise. + * config/rs6000/crtresfpr.asm: Likewise. + * config/rs6000/crtsavgpr.asm: Likewise. + * config/rs6000/crtsavfpr.asm: Likewise. + + * dwarf2out.c (output_cfi_directive): Pass 1 instead of 0 to second + argument of DWARF2_FRAME_REG_OUT macros. + +2009-06-03 Julian Brown <julian@codesourcery.com> + + * config/arm/arm.c (arm_hard_regno_mode_ok): Permit values of four + words or less (including TImode) in core registers. + +2009-06-03 Richard Guenther <rguenther@suse.de> + + PR middle-end/40328 + * fold-const.c (fold_convert): Fold the build COMPLEX_EXPR. + +2009-06-03 Andrey Belevantsev <abel@ispras.ru> + + * statistics.c (statistics_counter_event): Do not record event + in pass dump if its number == -1. + (curr_statistics_hash): Add assert that we never get passes + with static number == -1. + +2009-06-03 Richard Guenther <rguenther@suse.de> + Andrey Belevantsev <abel@ispras.ru> + + * cfgexpand.c (discover_nonconstant_array_refs_r): Make only + non-BLKmode arrays addressable. + +2009-06-03 Maxim Kuvyrkov <maxim@codesourcery.com> + + * config/m68k/linux.h (HAVE_GAS_BALIGN_AND_P2ALIGN): Move to ... + * config/m68k/m68k.h: ... here. + +2009-06-03 Martin Jambor <mjambor@suse.cz> + + PR tree-optimization/40323 + * ipa-prop.c (get_ssa_def_if_simple_copy): Break if not single + assignment. + +2009-06-03 Richard Guenther <rguenther@suse.de> + + * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Use DECL_SIZE + consistently. + +2009-06-03 Shujing Zhao <pearly.zhao@oracle.com> + + * config/sh/predicates.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P, + JUMP_P, CALL_P, NONJUMP_INSN_P, NOTE_P, BARRIER_P and + JUMP_TABLE_DATA_P where applicable. + * config/sh/sh.c: Ditto. + * config/sh/sh.h: Ditto. + * config/sh/sh.md: Ditto. + * config/sh/symbian.c: Ditto. + +2009-06-03 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/driver-i386.c (describe_cache): Optimize + concatenation of strings. Use snprintf instead of sprintf. + (host_detect_local_cpu): Ditto. Ignore -march and -mtune for native + target when not compiling with GCC. + +2009-06-02 Kaz Kojima <kkojima@gcc.gnu.org> + + * config/sh/sh.c: Revert last change. + (sh_expand_epilogue): Emit a blockage insn before the frame + pointer adjustment unconditionally. + +2009-06-02 Richard Sandiford <r.sandiford@uk.ibm.com> + + * config/pa/pa-hpux.h (LINK_SPEC): Remove "%<fwhole-program". + * config/pa/pa-hpux10.h (LINK_SPEC): Likewise. + * config/pa/pa-hpux11.h (LINK_SPEC): Likewise. + * gcc.c (set_collect_gcc_options): Don't add -fwhole-program + to COLLECT_GCC_OPTIONS. + +2009-06-02 Richard Sandiford <r.sandiford@uk.ibm.com> + + * collect2.c (target_system_root): New variable. + (main): Handle --sysroot=. + (ignore_library): Strip the sysroot from the library path. + +2009-06-02 Richard Sandiford <r.sandiford@uk.ibm.com> + + * Makefile.in (COLLECT2_OBJS): Add collect2-aix.o. + (collect2.o): Depend on collect2-aix.h. + (collect2-aix.o): New rule. + * collect2-aix.h: New file. + * collect2-aix.c: Likewise. + * collect2.c: Include collect2-aix.h. Don't undefine + OBJECT_FORMAT_COFF if CROSS_AIX_SUPPORT is defined. + Guard native includes with #ifndef CROSS_DIRECTORY_STRUCTURE. + Use TARGET_AIX_VERSION instead of _AIX51. + * config/rs6000/aix43.h (TARGET_AIX_VERSION): Define. + * config/rs6000/aix51.h (TARGET_AIX_VERSION): Likewise. + * config/rs6000/aix52.h (TARGET_AIX_VERSION): Likewise. + * config/rs6000/aix53.h (TARGET_AIX_VERSION): Likewise. + * config/rs6000/aix61.h (TARGET_AIX_VERSION): Likewise. + +2009-06-02 Richard Sandiford <r.sandiford@uk.ibm.com> + + * collect2.c (ignore_library): Avoid premature post-increment + and null deference. + +2009-06-02 Richard Sandiford <r.sandiford@uk.ibm.com> + + * Makefile.in (libgcc.mvars): Add TARGET_SYSTEM_ROOT. + * config/rs6000/aix.h (LINK_SYSCALLS_SPEC): Add %R to the + !CROSS_DIRECTORY_STRUCTURE alternative and use it for + CROSS_DIRECTORY_STRUCTURE too. + (LINK_LIBG_SPEC): Likewise. + (LIB_SPEC): Add %R to sysroot paths. + * config/rs6000/aix43.h (CPP_SPEC): Add %R to sysroot paths. + (CPLUSPLUS_CPP_SPEC, LIB_SPEC): Likewise. + * config/rs6000/aix51.h: As for aix43.h. + * config/rs6000/aix52.h: Likewise. + * config/rs6000/aix53.h: Likewise. + * config/rs6000/aix61.h: Likewise. + * config/rs6000/t-aix52 (SHLIB_LINK): Add $(TARGET_SYSTEM_ROOT) + to the beginning of sysroot paths. + +2009-06-02 Alexandre Oliva <aoliva@redhat.com> + + * print_rtl (print_rtx): Don't print modes in EXPR_LISTs and + INSN_LISTs that are out of the REG_NOTE range. + +2009-06-02 Alexandre Oliva <aoliva@redhat.com> + + * loop-unroll.c (struct iv_to_split): Add pointer to next. + (struct var_to_expand): Likewise. + (struct opt_info): Add head and tail for linked lists of the above. + (analyze_insn_to_expand_var): Initialize next. + (analyze_iv_to_split_insn): Likewise. + (analyze_insns_in_loop): Create linked lists. + (allocate_basic_variable): Simplify for use without hash table. + (insert_var_expansion_initialization): Likewise, make it type-safer. + (combine_var_copies_in_loop_exit): Likewise. + (apply_opt_in_copies): Walk lists rather than hash tables. + (release_var_copies): Simplified and inlined by hand into... + (free_opt_info): ... this function. + +2009-06-02 Richard Guenther <rguenther@suse.de> + + * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Use DECL_SIZE + for field decls. + +2009-06-02 Alexandre Oliva <aoliva@redhat.com> + + * cfgexpand.c (gimple_expand_cfg): Discard the source location + only for builtins that are not overridden. + +2009-06-02 Alexandre Oliva <aoliva@redhat.com> + + * gengtype.c (adjust_field_rtx_def): Add NOTE_INSN_DELETED_LABEL's + label string. + +2009-06-02 Alexandre Oliva <aoliva@redhat.com> + + * df-core.c (df_ref_debug): Honor -fdump-noaddr. + +2009-06-02 Alexandre Oliva <aoliva@redhat.com> + + * combine.c (move_deaths): Compare LUIDs within the same BB only. + +2009-06-02 Alexandre Oliva <aoliva@redhat.com> + + * common.opt (fdump-unnumbered-links): New. + * doc/invoke.texi (-fdump-unnumbered-links): Document it. + * print-rtl.c (flag_dump_unnumbered_links): New. + (print_rtx): Test it. + +2009-06-02 Richard Earnshaw <rearnsha@arm.com> + + * arm.c (arm_get_frame_offsets): Prefer using r3 for padding a + push/pop multiple to 8-byte alignment. + +2009-06-01 Jakub Jelinek <jakub@redhat.com> + + * config/i386/i386.c (queued_cfa_restores): New static variable. + (ix86_add_cfa_restore_note, ix86_add_queued_cfa_restore_notes): New + functions. + (pro_epilogue_adjust_stack): Call ix86_add_queued_cfa_restore_notes. + (ix86_emit_restore_reg_using_pop): Add RED_OFFSET argument. + Set RTX_FRAME_RELATED_P immediately after adding a REG_CFA_* note. + Call ix86_add_cfa_restore_note instead of adding REG_CFA_OFFSET + note unconditionally. + (ix86_emit_restore_regs_using_mov): Likewise. + (ix86_emit_restore_sse_regs_using_mov): Likewise. + (ix86_emit_restore_regs_using_pop): Add RED_OFFSET argument, pass + it through to ix86_emit_restore_reg_using_pop. + (ix86_emit_leave): Add RED_OFFSET argument. Call + ix86_add_queued_cfa_restore_notes. Call ix86_add_cfa_restore_note + instead of adding REG_CFA_OFFSET note unconditionally. + (ix86_expand_epilogue): Compute RED_OFFSET, pass it down to + the above functions. Call ix86_add_queued_cfa_restore_notes when + needed. + + * dwarf2out.c (dwarf2out_cfi_label): Add FORCE argument, if true, + force output of the label even for dwarf2out_do_cfi_asm. + (add_fde_cfi): If -g2 and above and cfi might change CFA, + force creation of CFI label and chain DW_CFA_set_loc jumping to it + for convert_cfa_to_fb_loc_list. Adjust other dwarf2out_cfi_label + caller. + (dwarf2out_stack_adjust, dwarf2out_frame_debug, + dwarf2out_begin_epilogue, dwarf2out_frame_debug_restore_state): Adjust + dwarf2out_cfi_label callers. + * tree.h (dwarf2out_cfi_label): Adjust prototype. + * config/arm/arm.c (thumb_pushpop, thumb1_output_function_prologue): + Adjust dwarf2out_cfi_label callers. + * config/vax/vax.c (vax_output_function_prologue): Likewise. + + * config/i386/i386.h (struct machine_cfa_state, + struct machine_function): Guard with ifndef USED_FOR_TARGET + instead of not IN_LIBGCC2 and not in IN_TARGET_LIBS. + + PR other/40024 + * emutls.c (__emutls_get_address): Change arr->size to mean number + of allocated arr->data entries instead of # of slots + 1. + + PR middle-end/40316 + * recog.c (peep2_reinit_state): New function. + (peephole2_init_state): Use it at the end of a basic block and also + when seeing a RTX_FRAME_RELATED_P insn. + +2009-06-01 Steve Ellcey <sje@cup.hp.com> + + * ia64.md (floatdirf2, fix_truncrfdi, floatunsdirf, + fixuns_truncrfdi2): New. + (fix_truncxfdi2_alts, fixuns_truncxfdi2_alts, + *nmaddsf4_alts, *nmadddf4_alts, *nmadddf4_truncsf_alts, + *mulxf3_alts, *mulxf3_truncsf_alts, *mulxf3_truncdf_alts, + *maddxf4_alts, *maddxf4_alts_truncsf, *maddxf4_alts_truncdf, + *nmaddxf4_alts, *nmaddxf4_truncsf_alts, *nmaddxf4_truncdf_alts, + *recip_approx): Remove. + (divsi3 modsi3, udivsi3, umodsi3, divsi3_internal, divdi3, + moddi3, udivdi3, umoddi3, divdi3_internal_lat, divdi3_internal_thr, + divsf3, sqrtsf2, divdf3, sqrtdf2, divxf3, sqrtxf2): Modify and + move to div.md. + * div.md (fix_truncrfdi2_alts, fixuns_truncrfdi2_alt, + setf_exp_rf): New. + +2009-06-01 Ian Lance Taylor <iant@google.com> + + * attribs.c (register_attribute): Use CONST_CAST. + * collect2.c (main): Use CONST_CAST2. + (scan_prog_file): Likewise. + * gcc.c (process_command, main): Likewise. + * toplev.c (toplev_main): Likewise. + + * c-typeck.c (handle_warn_cast_qual): New static function, + partially broken out of build_c_cast. + (build_c_cast): Call handle_warn_cast_qual. + * doc/invoke.texi (Warning Options): Document new effect of + -Wcast-qual. + +2009-06-01 Aldy Hernandez <aldyh@redhat.com> + + * diagnostic.c (diagnostic_build_prefix): Always print columns. + (diagnostic_report_current_module): Print columns. + * common.opt (flag_show_column): Enable by default. + +2009-06-01 Luis Machado <luisgpm@br.ibm.com> + + * alias.c (find_base_term): Check for NULL term before returning. + +2009-06-01 Maxim Kuvyrkov <maxim@codesourcery.com> + + Revert due to PR40320: + 2009-06-01 Maxim Kuvyrkov <maxim@codesourcery.com> + * calls.c (emit_library_call_value_1): Don't force_operand for move + and push insns. + +2009-06-01 Olivier Hainque <hainque@adacore.com> + Eric Botcazou <ebotcazou@adacore.com> + + * tree.h (CONSTRUCTOR_BITFIELD_P): True if NODE, a FIELD_DECL, is + to be processed as a bitfield for constructor output purposes. + * output.h (initializer_constant_valid_for_bitfield_p): Declare + new function. + * varasm.c (oc_local_state): New type, output_constructor + local state to support communication with helpers. + (oc_outer_state): New type, output_constructor outer state of + relevance in recursive calls. + (output_constructor_array_range): New output_constructor helper, + extracted code for an array range element. + (output_constructor_regular_field): New output_constructor helper, + extracted code for an element that is not a bitfield. + (output_constructor_bitfield): New output_constructor helper, + extracted code for a bitfield element. Accept an OUTER state + argument for recursive processing. Recurse on record or array + CONSTRUCTOR values, possibly past noop conversions. + (initializer_constant_valid_for_bitfield_p): New predicate. Whether + VALUE is a valid constant-valued expression for use in a static + bit-field initializer. + (output_constructor): Rework to use helpers. Accept and honor an + OUTER state argument for recursive calls. Return total size. Be + prepared for nested constructors initializing bitfields. + (output_constant): Feed OUTER in calls to output_constructor. + +2009-06-01 Maxim Kuvyrkov <maxim@codesourcery.com> + + * calls.c (emit_library_call_value_1): Don't force_operand for move + and push insns. + +2009-06-01 Nick Clifton <nickc@redhat.com> + + * doc/invoke.texi (IA-64 Options): Fix typo. + +2009-06-01 Ira Rosen <irar@il.ibm.com> + + PR tree-optimization/39129 + * tree-vect-loop-manip.c (conservative_cost_threshold): Change the + printed message. + (vect_do_peeling_for_loop_bound): Use + LOOP_REQUIRES_VERSIONING_FOR_ALIGNMENT and + LOOP_REQUIRES_VERSIONING_FOR_ALIAS macros. + (vect_loop_versioning): Likewise. + (vect_create_cond_for_alias_checks): Fix indentation. + * tree-vectorizer.h (struct _loop_vec_info): Fix indentation of the + macros. + (LOOP_REQUIRES_VERSIONING_FOR_ALIGNMENT): Define. + (LOOP_REQUIRES_VERSIONING_FOR_ALIAS): Likewise. + * tree-vect-loop.c (vect_analyze_loop_form): Change "too many BBs" to + "control flow in loop". + (vect_estimate_min_profitable_iters): Use + LOOP_REQUIRES_VERSIONING_FOR_ALIGNMENT and + LOOP_REQUIRES_VERSIONING_FOR_ALIAS macros. + * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise. + (vect_create_data_ref_ptr): Don't mention array dimension in printing. + * tree-vect-stmts.c (vectorizable_store): Replace the check that the + statement belongs to a group of strided accesses with the exact code + check. + (vectorizable_load): Likewise. + * tree-vect-slp.c (vect_analyze_slp_instance): Spell out "basic block". + (vect_slp_analyze_bb, vect_slp_transform_bb): Likewise. + +2009-06-01 Gerald Pfeifer <gerald@pfeifer.com> + + * config/freebsd-stdint.h: New file. + * config.gcc (*-*-freebsd): Set use_gcc_stdint=wrap. + Add freebsd-stdint.h to tm_file. + +2009-06-01 Richard Earnshaw <rearnsha@arm.com> + + * arm/thumb2.md (thumb2_zero_extendhidi2): New insn and split. + (thumb2_extendhidi2): Likewise. + +2009-05-31 Ian Lance Taylor <iant@google.com> + + * regstat.c (regstat_n_sets_and_refs): Remove duplicate definition. + +2009-05-31 Ian Lance Taylor <iant@google.com> + + * Makefile.in (except.o): Depend upon gt-except.h, not gt-$(EXCEPT_H). + (ipa-cp.o): Depend upon $(FIBHEAP_H) and $(PARAMS_H). + (ipa-reference.o): Depend upon gt-ipa-reference.h. + +2009-05-31 Jason Merrill <jason@redhat.com> + + * tree-pretty-print.c (print_call_name): Take the callee, not the + call itself. Make non-static. Use dump_function_name for functions. + (dump_generic_node): Adjust. + * diagnostic.h: Declare print_call_name. + * gimple-pretty-print.c (dump_gimple_call): Use it. + +2009-05-31 Kaz Kojima <kkojima@gcc.gnu.org> + + * config/sh/sh.md (ashldi3_std): New define_expand. + (ashldi3): Use it. + +2009-05-31 Kaz Kojima <kkojima@gcc.gnu.org> + + PR target/40313 + * config/sh/sh.c: Include debug.h. + (sh_expand_epilogue): Emit a blockage insn before the frame + pointer adjustment also when dwarf2out_do_frame returns true. + +2009-05-31 Richard Earnshaw <rearnsha@arm.com> + + * arm/thumb2.md (thumb2_extendsidi2): Add a split sub-pattern. + (thumb2_extendqidi2): New pattern. + +2009-05-31 Ira Rosen <irar@il.ibm.com> + + * tree-vect-loop-manip.c (slpeel_update_phi_nodes_for_guard1): Don't + mark phis for renaming. + * tree-vectorizer.c (vect_memsyms_to_rename): Remove. + (vectorize_loops): Don't allocate and free vect_memsyms_to_rename. + Call mark_sym_for_renaming. + * tree-vectorizer.h (vect_memsyms_to_rename): Remove. + * tree-vect-loop.c (vect_transform_loop): Remove + vect_memsyms_to_rename initialization and a call to + mark_set_for_renaming. + +2009-05-31 Jakub Jelinek <jakub@redhat.com> + + PR middle-end/40304 + * config/i386/i386.c (pro_epilogue_adjust_stack): Mark insns + frame related even if !set_cfa && style < 0. + +2009-05-30 Kai Tietz <kai.tietz@onevision.com> + + * config/i386/mingw-tls.c: New file. + * config/i386/t-gthr-win32 (LIB2FUNCS_EXTRA): Add mingw-tls.c file. + * gthr-win32.h (MINGW32_SUPPORTS_MT_EH): Define it for targets + defining _WIN32 but not __CYGWIN__. + +2009-05-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * configure.ac: Add MPC support. + + * config.in, configure: Regenerate. + +2009-05-29 Richard Henderson <rth@redhat.com> + + * cfgcleanup.c (try_crossjump_to_edge): Only skip past + NOTE_INSN_BASIC_BLOCK. + * cfglayout.c (duplicate_insn_chain): Copy epilogue insn marks. + Duplicate NOTE_INSN_EPILOGUE_BEG notes. + * cfgrtl.c (can_delete_note_p): Allow NOTE_INSN_EPILOGUE_BEG + to be deleted. + * dwarf2out.c (struct cfa_loc): Change indirect field to bitfield, + add in_use field. + (add_cfi): Disable check redefining cfa away from drap. + (lookup_cfa_1): Add remember argument; handle remember/restore. + (lookup_cfa): Pass remember argument. + (cfa_remember): New. + (compute_barrier_args_size_1): Remove sibcall check. + (dwarf2out_frame_debug_def_cfa): New. + (dwarf2out_frame_debug_adjust_cfa): New. + (dwarf2out_frame_debug_cfa_offset): New. + (dwarf2out_frame_debug_cfa_register): New. + (dwarf2out_frame_debug_cfa_restore): New. + (dwarf2out_frame_debug): Handle REG_CFA_* notes. + (dwarf2out_begin_epilogue): New. + (dwarf2out_frame_debug_restore_state): New. + (dw_cfi_oprnd1_desc): Handle DW_CFA_remember_state, + DW_CFA_restore_state. + (output_cfi_directive): Likewise. + (convert_cfa_to_fb_loc_list): Likewise. + (dw_cfi_oprnd1_desc): Handle DW_CFA_restore. + * dwarf2out.h: Update. + * emit-rtl.c (try_split): Don't split RTX_FRAME_RELATED_P. + (copy_insn_1): Early out for null. + * final.c (final_scan_insn): Call dwarf2out_begin_epilogue + and dwarf2out_frame_debug_restore_state. + * function.c (prologue, epilogue, sibcall_epilogue): Remove. + (prologue_insn_hash, epilogue_insn_hash): New. + (free_after_compilation): Adjust freeing accordingly. + (record_insns): Create hash table if needed; push insns into + hash instead of array. + (maybe_copy_epilogue_insn): New. + (contains): Search hash table instead of array. + (sibcall_epilogue_contains): Remove. + (thread_prologue_and_epilogue_insns): Split eh_return insns + and mark them as epilogues. + (reposition_prologue_and_epilogue_notes): Rewrite epilogue + scanning in terms of basic blocks. + * insn-notes.def (CFA_RESTORE_STATE): New. + * jump.c (returnjump_p_1): Accept EH_RETURN. + (eh_returnjump_p_1, eh_returnjump_p): New. + * reg-notes.def (CFA_DEF_CFA, CFA_ADJUST_CFA, CFA_OFFSET, + CFA_REGISTER, CFA_RESTORE): New. + * rtl.def (EH_RETURN): New. + * rtl.h (eh_returnjump_p, maybe_copy_epilogue_insn): Declare. + + * config/bfin/bfin.md (UNSPEC_VOLATILE_EH_RETURN): Remove. + (eh_return_internal): Use eh_return rtx; split w/ epilogue. + + * config/i386/i386.c (gen_push): Update cfa state. + (pro_epilogue_adjust_stack): Add set_cfa argument. When true, + add a CFA_ADJUST_CFA note. + (ix86_dwarf_handle_frame_unspec): Remove. + (ix86_expand_prologue): Update cfa state. + (ix86_emit_restore_reg_using_pop): New. + (ix86_emit_restore_regs_using_pop): New. + (ix86_emit_leave): New. + (ix86_emit_restore_regs_using_mov): Add CFA_RESTORE notes. + (ix86_expand_epilogue): Add notes for unwinding the epilogue. + * config/i386/i386.h (struct machine_cfa_state): New. + (ix86_cfa_state): New. + * config/i386/i386.md (UNSPEC_EH_RETURN): Remove. + (eh_return_internal): Merge from eh_return_<mode>, + use eh_return rtx, split w/ epilogue. + +2009-05-29 Ian Lance Taylor <iant@google.com> + + * builtins.c (validate_gimple_arglist): Don't use va_arg with + enum type. + * calls.c (emit_library_call_value_1): Likewise. + + * c-typeck.c (c_build_va_arg): New function. + * c-tree.h (c_build_va_arg): Declare. + * c-parser.c (c_parser_postfix_expression): Call c_build_va_arg + instead of build_va_arg. + +2009-05-29 Eric Botcazou <ebotcazou@adacore.com> + + * tree-ssa-loop-ivopts.c (strip_offset_1) <MULT_EXPR>: New case. + (force_expr_to_var_cost) <NEGATE_EXPR>: Likewise. + (ptr_difference_cost): Use affine combinations to compute it. + (difference_cost): Likewise. + (get_computation_cost_at): Compute more accurate cost for addresses + if the ratio is a multiplier allowed in addresses. + For non-addresses, consider that an additional offset or symbol is + added only once. + +2009-05-29 Jakub Jelinek <jakub@redhat.com> + + * config/i386/i386.c (ix86_decompose_address): Avoid useless + 0 displacement. Add 0 displacement if base is %[er]bp or %r13. + + * config/i386/i386.md (prefix_data16, prefix_rep): Set to 0 for + TYPE_SSE{MULADD,4ARG,IADD1,CVT1} by default. + (prefix_rex): For UNIT_MMX don't imply the prefix by default + if MODE_DI. + (prefix_extra): Default to 2 for TYPE_SSE{MULADD,4ARG} and + to 1 for TYPE_SSE{IADD1,CVT1}. + (prefix_vex_imm8): Removed. + (length_vex): Only pass 1 as second argument to + ix86_attr_length_vex_default if prefix_extra is 0. + (modrm): For TYPE_INCDEC only set to 0 if not TARGET_64BIT. + (length): For prefix vex computation use length_immediate + attribute instead of prefix_vex_imm8. + (cmpqi_ext_3_insn, cmpqi_ext_3_insn_rex64, + addqi_ext_1, addqi_ext_1_rex64, *testqi_ext_0, andqi_ext_0, + *andqi_ext_0_cc, *iorqi_ext_0, *xorqi_ext_0, *xorqi_cc_ext_1, + *xorqi_cc_ext_1_rex64): Override modrm attribute to 1. + (extendsidi2_rex64, extendhidi2, extendqidi2, extendhisi2, + *extendhisi2_zext, extendqihi2, extendqisi2, *extendqisi2_zext): Emit + a space in between the operands. + (*anddi_1_rex64, *andsi_1): Likewise. Override prefix_rex to 1 + if one operand is 0xff and the other one si, di, bp or sp. + (*andhi_1): Override prefix_rex to 1 if one operand is 0xff and the + other one si, di, bp or sp. + (*btsq, *btrq, *btcq, *btdi_rex64, *btsi): Add mode attribute. + (*ffssi_1, *ffsdi_1, ctzsi2, ctzdi2): Add + type and mode attributes. + (*bsr, *bsr_rex64, *bsrhi): Add type attribute. + (*cmpfp_i_mixed, *cmpfp_iu_mixed): For TYPE_SSECOMI, clear + prefix_rep attribute and set prefix_data16 attribute iff MODE_DF. + (*cmpfp_i_sse, *cmpfp_iu_sse): Clear prefix_rep attribute and set + prefix_data16 attribute iff MODE_DF. + (*movsi_1): For TYPE_SSEMOV MODE_SI set prefix_data16 attribute. + (fix_trunc<mode>di_sse): Set prefix_rex attribute. + (*adddi_4_rex64, *addsi_4): Use const128_operand instead of + constm128_operand in length_immediate computation. + (*addhi_4): Likewise. Fix mode attribute to MODE_HI. + (anddi_1_rex64): Use movzbl/movzwl instead of movzbq/movzwq. + (*avx_ashlti3, sse2_ashlti3, *avx_lshrti3, sse2_lshrti3): Set + length_immediate attribute to 1. + (x86_fnstsw_1, x86_fnstcw_1, x86_fldcw_1): Fix length attribute. + (*movdi_1_rex64): Override prefix_rex or prefix_data16 attributes + for certain alternatives. + (*movdf_nointeger, *movdf_integer_rex64, *movdf_integer): Override + prefix_data16 attribute if MODE_V1DF. + (*avx_setcc<mode>, *sse_setcc<mode>, *sse5_setcc<mode>): Set + length_immediate to 1. + (set_got_rex64, set_rip_rex64): Remove length attribute, set + length_address to 4, set mode attribute to MODE_DI. + (set_got_offset_rex64): Likewise. Set length_immediate to 0. + (fxam<mode>2_i387): Set length attribute to 4. + (*prefetch_sse, *prefetch_sse_rex, *prefetch_3dnow, + *prefetch_3dnow_rex): Override length_address attribute. + (sse4_2_crc32<mode>): Override prefix_data16 and prefix_rex + attributes. + * config/i386/predicates.md (ext_QIreg_nomode_operand): New predicate. + (constm128_operand): Removed. + * config/i386/i386.c (memory_address_length): For + disp && !index && !base in 64-bit mode account for SIB byte if + print_operand_address can't optimize disp32 into disp32(%rip) + and UNSPEC doesn't imply (%rip) addressing. Add 1 to length + for fs: or gs: segment. + (ix86_attr_length_immediate_default): When checking if shortform + is possible, truncate immediate to the length of the non-shortened + immediate. + (ix86_attr_length_address_default): Ignore MEM_P operands + with X constraint. + (ix86_attr_length_vex_default): Only check for DImode on + GENERAL_REG_P operands. + * config/i386/sse.md (<sse>_comi, <sse>_ucomi): Clear + prefix_rep attribute, set prefix_data16 attribute iff MODE_DF. + (sse_cvttps2pi): Clear prefix_rep attribute. + (sse2_cvttps2dq, *sse2_cvtpd2dq, sse2_cvtps2pd): Clear prefix_data16 + attribute. + (*sse2_cvttpd2dq): Don't clear prefix_rep attribute. + (*avx_ashr<mode>3, ashr<mode>3, *avx_lshr<mode>3, lshr<mode>3, + *avx_ashl<mode>3, ashl<mode>3): Set length_immediate attribute to 1 + iff operand 2 is const_int_operand. + (*vec_dupv4si, avx_shufpd256_1, *avx_shufpd_<mode>, + sse2_shufpd_<mode>): Set length_immediate attribute to 1. + (sse2_pshufd_1): Likewise. Set prefix attribute to maybe_vex + instead of vex. + (sse2_pshuflw_1, sse2_pshufhw_1): Set length_immediate to 1 and clear + prefix_data16. + (sse2_unpckhpd, sse2_unpcklpd, sse2_storehpd, *vec_concatv2df): Set + prefix_data16 attribute for movlpd and movhpd instructions. + (sse2_loadhpd, sse2_loadlpd, sse2_movsd): Likewise. Override + length_immediate for shufpd instruction. + (sse2_movntsi, sse3_lddqu): Clear prefix_data16 attribute. + (avx_cmpp<avxmodesuffixf2c><mode>3, + avx_cmps<ssemodesuffixf2c><mode>3, *avx_maskcmp<mode>3, + <sse>_maskcmp<mode>3, <sse>_vmmaskcmp<mode>3, + avx_shufps256_1, *avx_shufps_<mode>, sse_shufps_<mode>, + *vec_dupv4sf_avx, *vec_dupv4sf): Set length_immediate attribute to 1. + (*avx_cvtsi2ssq, *avx_cvtsi2sdq): Set length_vex attribute to 4. + (sse_cvtsi2ssq, sse2_cvtsi2sdq): Set prefix_rex attribute to 1. + (sse2_cvtpi2pd, sse_loadlps, sse2_storelpd): Override + prefix_data16 attribute for the first alternative to 1. + (*avx_loadlps): Override length_immediate for the first alternative. + (*vec_concatv2sf_avx): Override length_immediate and prefix_extra + attributes for second alternative. + (*vec_concatv2sf_sse4_1): Override length_immediate and + prefix_data16 attributes for second alternative. + (*vec_setv4sf_avx, *avx_insertps, vec_extract_lo_<mode>, + vec_extract_hi_<mode>, vec_extract_lo_v16hi, + vec_extract_hi_v16hi, vec_extract_lo_v32qi, + vec_extract_hi_v32qi): Set prefix_extra and length_immediate to 1. + (*vec_setv4sf_sse4_1, sse4_1_insertps, *sse4_1_extractps): Set + prefix_data16 and length_immediate to 1. + (*avx_mulv2siv2di3, *avx_mulv4si3, sse4_2_gtv2di3): Set prefix_extra + to 1. + (*avx_<code><mode>3, *avx_eq<mode>3, *avx_gt<mode>3): Set + prefix_extra attribute for variants that don't have 0f prefix alone. + (*avx_pinsr<ssevecsize>): Likewise. Set length_immediate to 1. + (*sse4_1_pinsrb, *sse2_pinsrw, *sse4_1_pinsrd, *sse4_1_pextrb, + *sse4_1_pextrb_memory, *sse2_pextrw, *sse4_1_pextrw_memory, + *sse4_1_pextrd): Set length_immediate to 1. + (*sse4_1_pinsrd): Likewise. Set prefix_extra to 1. + (*sse4_1_pinsrq, *sse4_1_pextrq): Set prefix_rex and length_immediate + to 1. + (*vec_extractv2di_1_rex64_avx, *vec_extractv2di_1_rex64, + *vec_extractv2di_1_avx, *vec_extractv2di_1_sse2): Override + length_immediate to 1 for second alternative. + (*vec_concatv2si_avx, *vec_concatv2di_rex64_avx): Override + prefix_extra and length_immediate attributes for the first + alternative. + (vec_concatv2si_sse4_1): Override length_immediate to 1 for the + first alternative. + (*vec_concatv2di_rex64_sse4_1): Likewise. Override prefix_rex + to 1 for the first and third alternative. + (*vec_concatv2di_rex64_sse): Override prefix_rex to 1 for the second + alternative. + (*sse2_maskmovdqu, *sse2_maskmovdqu_rex64): Override length_vex + attribute. + (*sse_sfence, sse2_mfence, sse2_lfence): Override length_address + attribute to 0. + (*avx_phaddwv8hi3, *avx_phadddv4si3, *avx_phaddswv8hi3, + *avx_phsubwv8hi3, *avx_phsubdv4si3, *avx_phsubswv8hi, + *avx_pmaddubsw128, *avx_pmulhrswv8hi3, *avx_pshufbv16qi3, + *avx_psign<mode>3): Set prefix_extra attribute to 1. + (ssse3_phaddwv4hi3, ssse3_phadddv2si3, ssse3_phaddswv4hi3, + ssse3_phsubwv4hi3, ssse3_phsubdv2si3, ssse3_phsubswv4hi3, + ssse3_pmaddubsw, *ssse3_pmulhrswv4hi, ssse3_pshufbv8qi3, + ssse3_psign<mode>3): Override prefix_rex attribute. + (*avx_palignrti): Override prefix_extra and length_immediate to 1. + (ssse3_palignrti): Override length_immediate to 1. + (ssse3_palignrdi): Override length_immediate to 1, override + prefix_rex attribute. + (abs<mode>2): Override prefix_rep to 0, override prefix_rex attribute. + (sse4a_extrqi): Override length_immediate to 2. + (sse4a_insertqi): Likewise. Override prefix_data16 to 0. + (sse4a_insertq): Override prefix_data16 to 0. + (avx_blendp<avxmodesuffixf2c><avxmodesuffix>, + avx_blendvp<avxmodesuffixf2c><avxmodesuffix>, + avx_dpp<avxmodesuffixf2c><avxmodesuffix>, *avx_mpsadbw, + *avx_pblendvb, *avx_pblendw, avx_roundp<avxmodesuffixf2c>256, + avx_rounds<avxmodesuffixf2c>256): Override prefix_extra + and length_immediate to 1. + (sse4_1_blendp<ssemodesuffixf2c>, sse4_1_dpp<ssemodesuffixf2c>, + sse4_2_pcmpestr, sse4_2_pcmpestri, sse4_2_pcmpestrm, + sse4_2_pcmpestr_cconly, sse4_2_pcmpistr, sse4_2_pcmpistri, + sse4_2_pcmpistrm, sse4_2_pcmpistr_cconly): Override prefix_data16 + and length_immediate to 1. + (sse4_1_blendvp<ssemodesuffixf2c>): Override prefix_data16 to 1. + (sse4_1_mpsadbw, sse4_1_pblendw): Override length_immediate to 1. + (*avx_packusdw, avx_vtestp<avxmodesuffixf2c><avxmodesuffix>, + avx_ptest256): Override prefix_extra to 1. + (sse4_1_roundp<ssemodesuffixf2c>, sse4_1_rounds<ssemodesuffixf2c>): + Override prefix_data16 and length_immediate to 1. + (sse5_pperm_zero_v16qi_v8hi, sse5_pperm_sign_v16qi_v8hi, + sse5_pperm_zero_v8hi_v4si, sse5_pperm_sign_v8hi_v4si, + sse5_pperm_zero_v4si_v2di, sse5_pperm_sign_v4si_v2di, + sse5_vrotl<mode>3, sse5_ashl<mode>3, sse5_lshl<mode>3): Override + prefix_data16 to 0 and prefix_extra to 2. + (sse5_rotl<mode>3, sse5_rotr<mode>3): Override length_immediate to 1. + (sse5_frcz<mode>2, sse5_vmfrcz<mode>2): Don't override prefix_extra + attribute. + (*sse5_vmmaskcmp<mode>3, sse5_com_tf<mode>3, + sse5_maskcmp<mode>3, sse5_maskcmp<mode>3, sse5_maskcmp_uns<mode>3): + Override prefix_data16 and prefix_rep to 0, length_immediate to 1 + and prefix_extra to 2. + (sse5_maskcmp_uns2<mode>3, sse5_pcom_tf<mode>3): Override + prefix_data16 to 0, length_immediate to 1 and prefix_extra to 2. + (*avx_aesenc, *avx_aesenclast, *avx_aesdec, *avx_aesdeclast, + avx_vpermilvar<mode>3, + avx_vbroadcasts<avxmodesuffixf2c><avxmodesuffix>, + avx_vbroadcastss256, avx_vbroadcastf128_p<avxmodesuffixf2c>256, + avx_maskloadp<avxmodesuffixf2c><avxmodesuffix>, + avx_maskstorep<avxmodesuffixf2c><avxmodesuffix>): + Override prefix_extra to 1. + (aeskeygenassist, pclmulqdq): Override length_immediate to 1. + (*vpclmulqdq, avx_vpermil<mode>, avx_vperm2f128<mode>3, + vec_set_lo_<mode>, vec_set_hi_<mode>, vec_set_lo_v16hi, + vec_set_hi_v16hi, vec_set_lo_v32qi, vec_set_hi_v32qi): Override + prefix_extra and length_immediate to 1. + (*avx_vzeroall, avx_vzeroupper, avx_vzeroupper_rex64): Override + modrm to 0. + (*vec_concat<mode>_avx): Override prefix_extra and length_immediate + to 1 for the first alternative. + * config/i386/mmx.md (*mov<mode>_internal_rex64): Override + prefix_rep, prefix_data16 and/or prefix_rex attributes in certain + cases. + (*mov<mode>_internal_avx, *movv2sf_internal_rex64, + *movv2sf_internal_avx, *movv2sf_internal): Override + prefix_rep attribute for certain alternatives. + (*mov<mode>_internal): Override prefix_rep or prefix_data16 + attributes for certain alternatives. + (*movv2sf_internal_rex64_avx): Override prefix_rep and length_vex + attributes for certain alternatives. + (*mmx_addv2sf3, *mmx_subv2sf3, *mmx_mulv2sf3, + *mmx_<code>v2sf3_finite, *mmx_<code>v2sf3, mmx_rcpv2sf2, + mmx_rcpit1v2sf3, mmx_rcpit2v2sf3, mmx_rsqrtv2sf2, mmx_rsqit1v2sf3, + mmx_haddv2sf3, mmx_hsubv2sf3, mmx_addsubv2sf3, + *mmx_eqv2sf3, mmx_gtv2sf3, mmx_gev2sf3, mmx_pf2id, mmx_pf2iw, + mmx_pi2fw, mmx_floatv2si2, mmx_pswapdv2sf2, *mmx_pmulhrwv4hi3, + mmx_pswapdv2si2): Set prefix_extra attribute to 1. + (mmx_ashr<mode>3, mmx_lshr<mode>3, mmx_ashl<mode>3): Set + length_immediate to 1 if operand 2 is const_int_operand. + (*mmx_pinsrw, mmx_pextrw, mmx_pshufw_1, *vec_dupv4hi, + *vec_extractv2si_1): Set length_immediate attribute to 1. + (*mmx_uavgv8qi3): Override prefix_extra attribute to 1 if + using old 3DNOW insn rather than SSE/3DNOW_A. + (mmx_emms, mmx_femms): Clear modrm attribute. + +2009-05-29 Martin Jambor <mjambor@suse.cz> + + * tree-sra.c: New implementation of SRA. + + * params.def (PARAM_SRA_MAX_STRUCTURE_SIZE): Removed. + (PARAM_SRA_MAX_STRUCTURE_COUNT): Removed. + (PARAM_SRA_FIELD_STRUCTURE_RATIO): Removed. + * params.h (SRA_MAX_STRUCTURE_SIZE): Removed. + (SRA_MAX_STRUCTURE_COUNT): Removed. + (SRA_FIELD_STRUCTURE_RATIO): Removed. + * doc/invoke.texi (sra-max-structure-size): Removed. + (sra-field-structure-ratio): Removed. + +2009-05-29 Jakub Jelinek <jakub@redhat.com> + + PR middle-end/40291 + * builtins.c (expand_builtin_memcmp): Convert len to sizetype + before expansion. + +2009-05-29 Andrey Belevantsev <abel@ispras.ru> + + PR rtl-optimization/40101 + * sel-sched-ir.c (get_seqno_by_preds): Allow returning negative + seqno. Adjust comment. + * sel-sched.c (find_seqno_for_bookkeeping): Assert that when + inserting bookkeeping before a jump, the jump is not scheduled. + When no positive seqno found, provide a value. Add comment. + +2009-05-29 Richard Guenther <rguenther@suse.de> + + * tree-ssa-alias.c (nonaliasing_component_refs_p): Remove + short-cutting on the first component. + +2009-05-29 Jakub Jelinek <jakub@redhat.com> + + PR middle-end/39958 + * omp-low.c (scan_omp_1_op): Call remap_type on TREE_TYPE + for trees other than decls/types. + +2009-05-29 Richard Guenther <rguenther@suse.de> + + * tree-ssa-operands.c (get_expr_operands): Do not handle + INDIRECT_REFs in the handled-component case. Remove + unused get_ref_base_and_extent case. + * tree-dfa.c (get_ref_base_and_extent): Avoid calling + tree_low_cst and host_integerp where possible. + * tree-ssa-structalias.c (equiv_class_label_eq): Check hash + codes for equivalence. + * dce.c (find_call_stack_args): Avoid redundant bitmap queries. + +2009-05-29 David Billinghurst <billingd@gcc.gnu.org> + + * config.gcc: Add i386/t-fprules-softfp and soft-fp/t-softfp + to tmake_file for i[34567]86-*-cygwin*. + +2009-05-29 Jakub Jelinek <jakub@redhat.com> + + PR target/40017 + * config/rs6000/rs6000-c.c (_Bool_keyword): New variable. + (altivec_categorize_keyword, init_vector_keywords, + rs6000_cpu_cpp_builtins): Define _Bool as conditional macro + similar to bool. + +2009-05-29 Kai Tietz <kai.tietz@onevision.com> + + * tree.c (handle_dll_attribute): Check if node is + of kind FUNCTION_DECL for DECL_DECLARED_INLINE_P check. + +2009-05-29 Richard Earnshaw <rearnsha@arm.com> + + * config/arm/thumb2.md (thumb2_zero_extendsidi2): Add a split + component. + (thumb2_zero_extendqidi2): Likewise. + +2009-05-28 Kaz Kojima <kkojima@gcc.gnu.org> + + * config/sh/sh.c (sh_expand_t_scc): Use gen_xorsi3_movrt + instead of gen_movrt. + * config/sh/sh.md (movrt): Remove. + +2009-05-28 Steve Ellcey <sje@cup.hp.com> + + * doc/invoke.texi (IA-64 Options): + Add -msdata, -mfused-madd, -mno-inline-float-divide, + -mno-inline-int-divide, -mno-inline-sqrt, -msched-spec-ldc, + -msched-spec-control-ldc, -msched-prefer-non-data-spec-insns, + -msched-prefer-non-control-spec-insns, + -msched-stop-bits-after-every-cycle, + -msched-count-spec-in-critical-path, + -msel-sched-dont-check-control-spec, -msched-fp-mem-deps-zero-cost + -msched-max-memory-insns-hard-limit, -msched-max-memory-insns. + Remove -mt, -pthread, -msched-ldc, -mno-sched-control-ldc, + and -msched-spec-verbose. + +2009-05-28 Joseph Myers <joseph@codesourcery.com> + + * config/arm/lib1funcs.asm (__clear_cache): Define if L_clear_cache. + * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define to give an + error if used. + * config/arm/t-linux-eabi (LIB1ASMFUNCS): Add _clear_cache. + +2009-05-28 Richard Guenther <rguenther@suse.de> + + * tree-ssa-alias.c (ao_ref_init): New function. + (ao_ref_base): Likewise. + (ao_ref_base_alias_set): Likewise. + (ao_ref_alias_set): Likewise. + (refs_may_alias_p_1): Change signature. + (refs_may_alias_p): Adjust. + (refs_anti_dependent_p): Likewise. + (refs_output_dependent_p): Likewise. + (call_may_clobber_ref_p_1): Change signature. + (call_may_clobber_ref_p): Adjust. + (stmt_may_clobber_ref_p_1): New function split out from ... + (stmt_may_clobber_ref_p): ... here. + (maybe_skip_until): Adjust signature. + (get_continuation_for_phi): Likewise. + (walk_non_aliased_vuses): Likewise. + * tree-ssa-alias.h (struct ao_ref_s): New structure type. + (ao_ref_init): Declare. + (ao_ref_base): Likewise. + (ao_ref_alias_set): Likewise. + (stmt_may_clobber_ref_p_1): Likewise. + (walk_non_aliased_vuses): Adjust. + * tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): New function. + (get_ref_from_reference_ops): remove. + (vn_reference_lookup_2): Adjust signature. + (vn_reference_lookup_3): Do not re-build trees. Handle unions. + (vn_reference_lookup_pieces): Adjust signature, do not re-build trees. + (vn_reference_lookup): Adjust. + (vn_reference_insert): Likewise. + (vn_reference_insert_pieces): Adjust signature. + (visit_reference_op_call): Adjust. + * tree-ssa-pre.c (get_expr_type): Simplify. + (phi_translate_1): Adjust. + (compute_avail): Likewise. + (translate_vuse_through_block): Do not re-build trees. + (value_dies_in_block_x): Likewise. + * tree-ssa-sccvn.h (struct vn_reference_s): Add type and alias-set + fields. + (vn_reference_lookup_pieces): Adjust declaration. + (vn_reference_insert_pieces): Likewise. + +2009-05-28 Benjamin Kosnik <bkoz@redhat.com> + + * tree-ssa-copy.c (replace_exp_1): Move op for warning-free use + with checking disabled. + +2009-05-28 Dave Korn <dave.korn.cygwin@gmail.com> + + PR target/37216 + + * configure.ac (HAVE_GAS_ALIGNED_COMM): Add autoconf test and + macro definition for support of three-operand format aligned + .comm directive in assembler on cygwin/pe/mingw target OS. + * configure: Regenerate. + * config.h: Regenerate. + + * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Use + aligned form of .comm directive if -mpe-aligned-commons is in effect. + * config/i386/cygming.opt (-mpe-aligned-commons): Add new option. + + * doc/invoke.texi (-mpe-aligned-commons): Document new target option. + * doc/tm.texi (ASM_OUTPUT_COMMON): Document zero size commons. + +2009-05-28 Ira Rosen <irar@il.ibm.com> + + PR tree-optimization/40254 + * tree-data-ref.c (dr_analyze_innermost): Take POFFSET into account + in analysis of basic blocks. + +2009-05-28 Adam Nemet <anemet@caviumnetworks.com> + + PR middle-end/33699 + * target.h (struct gcc_target): Fix indentation. Add const_anchor. + * target-def.h (TARGET_CONST_ANCHOR): New macro. + (TARGET_INITIALIZER): Use it. + * cse.c (CHEAPER): Move it up to the other macros. + (insert): Rename this ... + (insert_with_costs): ... to this. Add cost parameters. Update + function comment. + (insert): New function. Call insert_with_costs. + (compute_const_anchors, insert_const_anchor, insert_const_anchors, + find_reg_offset_for_const, try_const_anchors): New functions. + (cse_insn): Call try_const_anchors. Adjust cost of src_related + when using a const-anchor. Call insert_const_anchors. + * config/mips/mips.c (mips_set_mips16_mode): Set targetm.const_anchor. + * doc/tm.texi (Misc): Document TARGET_CONST_ANCHOR. + +2009-05-28 Alexandre Oliva <aoliva@redhat.com> + + * tree-inline.c (remap_decls): Enable nonlocalized variables + when not optimizing. + +2009-05-28 Alexandre Oliva <aoliva@redhat.com> + + * tree-ssa-live.c (remove_unused_locals): Skip when not optimizing. + Simplify other tests involving optimize. + +2009-05-27 Tom Tromey <tromey@redhat.com> + + * unwind-dw2.c (_Unwind_DebugHook): New function. + (uw_install_context): Call _Unwind_DebugHook. + +2009-05-27 Tom Tromey <tromey@redhat.com> + + * system.h (CONST_CAST2): Use C++ const_cast when compiled as C++ + +2009-05-27 Ian Lance Taylor <iant@google.com> + + * Makefile.in (LINKER, LINKER_FLAGS): Define. + (LINKER_FOR_BUILD, BUILD_LINKERFLAGS): Define. + (ALL_LINKERFLAGS): Define. + (xgcc$(exeext)): Change $(COMPILER) to $(LINKER). + (cpp$(exeext), cc1-dummy$(exeext), cc1$(exeext)): Likewise. + (collect2$(exeext), mips-tfile, mips-tdump): Likewise. + (gcov$(exeext), gcov-dump$(exeext)): Likewise. + (build/gen%$(build_exeext)): Change $(COMPILER_FOR_BUILD) to + $(LINKER_FOR_BUILD). + (build/gcov-iov$(build_exeext)): Likewise. + +2009-05-27 Julian Brown <julian@codesourcery.com> + + * gcse.c (target.h): Include. + (can_assign_to_reg_without_clobbers_p): Check that the target allows + copy of argument to a pseudo register. + +2009-05-27 Diego Novillo <dnovillo@google.com> + + * tree-ssa-live.c (dump_scope_block): Document arguments. + (dump_scope_blocks): Document. + (debug_scope_blocks): New. + * tree-flow.h (debug_scope_blocks): Declare. + +2009-05-21 Denis Chertykov <denisc@overta.ru> + + * doc/contrib.texi (Contributors): Add myself to the list. + +2009-05-27 Olivier Hainque <hainque@adacore.com> + + * expr.c (target_align): New function. Alignment the TARGET of an + assignment may be assume to have. + (highest_pow2_factor_for_target): Use it instead of relying on + immediate tree attributes of TARGET, not necessarily honored when + intermediate bitfields are involved. + +2009-05-27 H.J. Lu <hongjiu.lu@intel.com> + + PR target/40266 + * config/i386/driver-i386.c (host_detect_local_cpu): Support + AVX, SSE4, AES, PCLMUL and POPCNT. + +2009-05-27 Diego Novillo <dnovillo@google.com> + + * tree-pretty-print.c (dump_location): New. + (dump_generic_node): Call it. + Factor code to handle BLOCK nodes ... + (dump_block_node): ... here. + +2009-05-27 Rafael Avila de Espindola <espindola@google.com> + + * Makefile.in (GCC_PLUGIN_H): New. Replace all uses of gcc-plugin.h + with it. + * doc/plugins.texi: Document that gcc-plugin.h must be the first to be + included. + * gcc-plugin.h: Include config.h and system.h. + (IN_GCC): Define if not defined. + +2009-05-27 Hans-Peter Nilsson <hp@axis.com> + + PR middle-end/40249 + * Makefile.in (CRTSTUFF_CFLAGS): Replace -fno-inline-functions + with -fno-inline. + +2009-05-27 Shujing Zhao <pearly.zhao@oracle.com> + + * config/m32r/m32r.c: Use REG_P, MEM_P and CONST_INT_P where + applicable. + * config/m32r/m32r.h: Ditto. + * config/m32r/m32r.md: Ditto. + * config/m32r/predicates.md: Ditto. + +2009-05-27 Alexandre Oliva <aoliva@redhat.com> + + * cgraph.c (dump_cgraph_node): Honor -fdump-noaddr. + +2009-05-26 Basile Starynkevitch <basile@starynkevitch.net> + + * doc/plugins.texi + (Loading plugins): typo. + (Plugin callbacks): Documented PLUGIN_INFO, PLUGIN_GGC_START, + PLUGIN_GGC_MARKING, PLUGIN_GGC_END, PLUGIN_REGISTER_GGC_ROOTS. + (Interacting with the GCC Garbage Collector): Added new section. + (Giving information about a plugin): Added new section for + PLUGIN_INFO. + * ggc.h (ggc_register_root_tab): Added declaration. + * gcc-plugin.h (PLUGIN_GGC_START, PLUGIN_GGC_MARKING) + (PLUGIN_GGC_END, PLUGIN_REGISTER_GGC_ROOTS): Added new events. + (register_callback): Improved comment in declaration. + * ggc-common.c (const_ggc_root_tab_t) Added new typedef for vectors. + (extra_root_vec) Added static variable for dynamic roots registration. + (ggc_register_root_tab) Added new routine. + (ggc_mark_roots) Added iteration inside extra_root_vec, and invoke + PLUGIN_GGC_MARKING event. + * ggc-zone.c: Include plugin.h. + (ggc_collect): Invoke PLUGIN_GGC_START & PLUGIN_GGC_END events. + * ggc-page.c: Include plugin.h. + (ggc_collect): Invoke PLUGIN_GGC_START & PLUGIN_GGC_END events. + * plugin.c (plugin_event_name): added names of PLUGIN_GGC_START, + PLUGIN_GGC_MARKING, PLUGIN_GGC_END, PLUGIN_REGISTER_GGC_ROOTS + (register_callback): check lack of callbacks for + pseudo-events. Added handling of PLUGIN_REGISTER_GGC_ROOTS, + PLUGIN_GGC_START, PLUGIN_GGC_MARKING, PLUGIN_GGC_END. + (invoke_plugin_callbacks): Handle PLUGIN_GGC_START, + PLUGIN_GGC_MARKING, PLUGIN_GGC_END, PLUGIN_REGISTER_GGC_ROOTS. + * Makefile.in (ggc-common.o, ggc-zone.o, ggc-page.o): Added + dependency on plugin.h. + (plugin.o): Added dependency on ggc.h... + +2009-05-26 Richard Guenther <rguenther@suse.de> + + PR middle-end/40248 + Revert + * expr.c (expand_expr_real_1): Avoid calling do_store_flag + with mismatched comparison modes. + + * expr.c (expand_expr_real_1): Expand the operand of a + VIEW_CONVERT_EXPR in its natural mode. + +2009-05-26 Ian Lance Taylor <iant@google.com> + + * Makefile.in (COMPILER, COMPILER_FLAGS): Define. + (COMPILER_FOR_BUILD, BUILD_COMPILERFLAGS): Define. + (ALL_COMPILERFLAGS): Define. + (.c.o, xgcc$(exeext), cpp$(exeext)): Use $(COMPILER). + (cc1-dummy$(exeext), cc1$(exeext)): Likewise. + (collect2$(exeext), collect2.o): Likewise. + (c-opts.o, c-cppbuiltin.o, c-pch.o, gcc.o, gccspec.o): Likewise. + (gcc-options.o, version.o, prefix.o, toplev.o): Likewise. + ($(out_object_file), mips-tfile, mips-tdump): Likewise. + (libbackend.o, intl.o, cppdefault.o): Likewise. + (gcov$(exeext), gcov-dump$(exeext)): Likewise. + (build/%.o): Use $(COMPILER_FOR_BUILD). + (build/gen%$(build_exeext)): Likewise. + (build/gcov-iov$(build_exeext)): LIkewise. + * config/t-darwin (darwin.o): Use $(COMPILER). + (darwin-c.o, darwin-f.o, darwin-driver.o): Likewise. + * config/t-sol2 (sol2-c.o): Likewise. + (sol2.o): Likewise. + * config/t-vxworks (vxworks.o): Likewise. + * config/x-darwin (host-darwin.o): Likewise. + * config/x-hpux (host-hpux.o): Likewise. + * config/x-linux (host-linux.o): Likewise. + * config/x-solaris (host-solaris.o): Likewise. + * config/alpha/x-alpha (driver-alpha.o): Likewise. + * config/arm/t-arm (arm-c.o): Likewise. + * config/arm/t-pe (pe.o): Likewise. + * config/arm/t-wince-pe (pe.o): Likewise. + * config/i386/t-cygming (winnt.o): Likewise. + (winnt-cxx.o, winnt-stubs.o, msformat-c.o): Likewise. + * config/i386/t-cygwin (cygwin1.o): Likewise. + (cygwin2.o): Likewise. + * config/i386/t-i386 (i386-c.o): Likewise. + * config/i386/t-interix (winnt.o): Likewise. + * config/i386/t-netware (netware.o): Likewise. + * config/i386/t-nwld (nwld.o): Likewise. + * config/i386/x-darwin (host-i386-darwin.o): Likewise. + * config/i386/x-i386 (driver-i386.o): Likewise. + * config/i386/x-cygwin (host-cygwin.o): Likewise. + * config/i386/x-mingw32 (host-mingw32.o): Likewise. + * config/ia64/t-ia64 (ia64-c.o): Likewise. + * config/m32c/t-m32c (m32c-pragma.o): Likewise. + * config/mips/x-native (driver-native.o): Likewise. + * config/rs6000/t-rs6000 (rs6000-c.o): Likewise. + * config/rs6000/x-darwin (host-ppc-darwin.o): Likewise. + * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Likewise. + * config/rs6000/x-rs6000 (driver-rs6000.o): Likewise. + * config/score/t-score-elf (score7.o): Likewise. + (score3.o): Likewise. + * config/sh/t-sh (sh-c.o): Likewise. + * config/sh/t-symbian (sh-c.o): Likewise. + (symbian.o): Likewise. + * config/spu/t-spu-elf (spu-c.o): Likewise. + * config/v850/t-v850 (v850-c.o): Likewise. + * config/v850/t-v850e (v850-c.o): Likewise. + +2009-05-26 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/40122 + * tree-ssa-ccp.c (ccp_fold): Fold vector CONSTRUCTORs to + VECTOR_CSTs if possible. + (fold_gimple_assign): Likewise. + +2009-05-26 Richard Guenther <rguenther@suse.de> + + PR middle-end/40252 + * fold-const.c (fold_binary): Use the correct types for building + rotates. + +2009-05-26 Richard Guenther <rguenther@suse.de> + + * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove + redundant calls to merge_alias_info. + (bump_vector_ptr): Likewise. + * tree-ssa-copy.c (merge_alias_info): Remove. + (replace_exp_1): Remove call to merge_alias_info. + (propagate_tree_value): Likewise. + (fini_copy_prop): Propagate points-to info. + * tree-flow.h (merge_alias_info): Remove. + +2009-05-07 Hariharan Sandanagobalane <hariharan@picochip.com> + + * config/picochip/picochip.C (PARAM_INLINE_CALL_COST): Remove. + +2009-05-25 Jan Hubicka <jh@suse.cz> + + * cgraph.c (dump_cgraph_node): Dump size/time/benefit. + * cgraph.h (struct inline_summary): New filed self_wize, + size_inlining_benefit, self_time and time_inlining_benefit. + (struct cgraph_global_info): Replace insns by time ans size fields. + * ipa-cp (ipcp_cloning_candidate_p): Base estimate on size + (ipcp_estimate_growth, ipcp_insert_stage): Likewise. + (ipcp_update_callgraph): Do not touch function bodies. + * ipa-inline.c: Include except.h + (MAX_TIME): New constant. + (overall_insns): Remove. + (leaf_node_p): New. + (overall_size, max_benefit): New static variables. + (cgraph_estimate_time_after_inlining): New function. + (cgraph_estimate_size_after_inlining): Rewrite using benefits. + (cgraph_clone_inlined_nodes): Update size. + (cgraph_mark_inline_edge): Update size. + (cgraph_estimate_growth): Use size info. + (cgraph_check_inline_limits): Check size. + (cgraph_default_inline_p): Likewise. + (cgraph_edge_badness): Compute badness based on benefit and size cost. + (cgraph_decide_recursive_inlining): Check size. + (cgraph_decide_inlining_of_small_function): Update size; dump sizes + and times. + (cgraph_decide_inlining): Likewise. + (cgraph_decide_inlining_incrementally): Likewise; honor + PARAM_EARLY_INLINING_INSNS. + (likely_eliminated_by_inlining_p): New predicate. + (estimate_function_body_sizes): New function. + (compute_inline_parameters): Use it. + * except.c (must_not_throw_labels): New function. + * except.h (must_not_throw_labels): Declare. + * tree-inline.c (init_inline_once): Kill inlining_weigths + * tree-ssa-structalias.c: Avoid uninitialized warning. + * params.def (PARAM_MAX_INLINE_INSNS_SINGLE): Reduce to 300. + (PARAM_MAX_INLINE_INSNS_AUTO): Reduce to 60. + (PARAM_INLINE_CALL_COST): Remove. + (PARAM_EARLY_INLINING_INSNS): New. + +2009-05-25 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/36327 + * tree-ssa-alias.c (walk_non_aliased_vuses): Add second walker + callback for reference translation or lookup at the point of may-defs. + * tree-ssa-alias.h (walk_non_aliased_vuses): Adjust prototype. + * tree-ssa-sccvn.c (get_ref_from_reference_ops): Bail out + for union COMPONENT_REFs. + (vn_reference_lookup_3): New callback. Lookup from memset + and CONSTRUCTOR assignment, translate through struct copies. + (vn_reference_lookup_pieces): Make sure to not free the + passed operands array. Adjust walk_non_aliased_vuses call. + (vn_reference_lookup): Adjust walk_non_aliased_vuses call, + make sure we do not leak memory. + +2009-05-25 Richard Guenther <rguenther@suse.de> + + * tree-ssa-alias.h (dump_points_to_solution): Declare. + * tree-inline.c (expand_call_inline): Reset the escaped and + callused solutions. + * tree-ssa-structalias.c (pass_build_ealias): New. + * tree-pass.h (pass_build_ealias): Declare. + * passes.c (init_optimization_passes): Add PTA during + early optimizations. + * tree-ssa-alias.c (dump_alias_info): Dump the ESCAPED + and CALLUSED solutions. + (dump_points_to_solution): New function, split out from ... + (dump_points_to_info_for): ... here. + * tree-parloops.c (parallelize_loops): Reset the escaped and + callused solutions. + +2009-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> + + PR bootstrap/40027 + * config/i386/i386.c (USE_HIDDEN_LINKONCE): Only define if missing. + * config/i386/sol2.h [!TARGET_GNU_LD] (USE_HIDDEN_LINKONCE): Define. + +2009-05-25 Ira Rosen <irar@il.ibm.com> + + PR tree-optimization/40238 + * tree-vect-stmts.c (vect_init_vector): Insert initialization + statements after basic block's labels. + * tree-vect-slp.c (vect_slp_transform_bb): Call destroy_bb_vec_info() + to free the allocated memory. + +2009-05-24 Kaz Kojima <kkojima@gcc.gnu.org> + + * gcc/config/sh/sh.c (sh_set_return_address): Mark store of + return address with a USE. + +2009-05-24 Richard Guenther <rguenther@suse.de> + + PR middle-end/40233 + * tree.c (make_vector_type): Build the TYPE_DEBUG_REPRESENTATION_TYPEs + array type from the main variant of the inner type. + +2009-05-24 Jan-Benedict Glaw <jbglaw@lug-owl.de> + + * config/vax/vax-protos.h (legitimate_constant_address_p): Change + definition to bool (from int) to un-break build. + (legitimate_constant_p, vax_mode_dependent_address_p): Likewise. + +2009-05-24 Paolo Bonzini <bonzini@gnu.org> + + * tree-ssa-operands.h (push_stmt_changes, pop_stmt_changes, + discard_stmt_changes): Delete. + * tree-ssa-operands.c (scb_stack): Delete. + (init_ssa_operands): Do not initialize it. + (fini_ssa_operands): Do not free it. + (push_stmt_changes, pop_stmt_changes, discard_stmt_changes): Delete. + + * tree-cfg.c (replace_uses_by): Replace pop_stmt_changes with + update_stmt, remove the others. Fix comments. + * tree-dfa.c (optimize_stack_restore): Likewise. + * tree-ssa-forwprop.c (forward_propagate_addr_expr): Likewise. + * tree-ssa-loop-ivopts.c (rewrite_use): Likewise. + * tree-ssa-dce.c (eliminate_unnecessary_stmts): Likewise. + * tree-ssa-ccp.c (optimize_stack_restore, execute_fold_all_builtins): + Likewise. + * tree-ssa-propagate.c (substitute_and_fold): Likewise. + * tree-ssa-dom.c (propagate_rhs_into_lhs): Likewise. + (dom_opt_finalize_block): Likewise, adjusting access to + stmts_to_rescan. + (optimize_stmt): Likewise, adjusting access to stmts_to_rescan. + (stmts_to_rescan): Change item type to gimple. + (tree_ssa_dominator_optimize): Change type of stmts_to_rescan. + +2009-05-24 Ira Rosen <irar@il.ibm.com> + + * doc/passes.texi (Tree-SSA passes): Document SLP pass. + * tree-pass.h (pass_slp_vectorize): New pass. + * params.h (SLP_MAX_INSNS_IN_BB): Define. + * timevar.def (TV_TREE_SLP_VECTORIZATION): Define. + * tree-vectorizer.c (timevar.h): Include. + (user_vect_verbosity_level): Declare. + (vect_location): Fix comment. + (vect_set_verbosity_level): Update user_vect_verbosity_level + instead of vect_verbosity_level. + (vect_set_dump_settings): Add an argument. Ignore user defined + verbosity if dump flags require higher level of verbosity. Print to + stderr only for loop vectorization. + (vectorize_loops): Update call to vect_set_dump_settings. + (execute_vect_slp): New function. + (gate_vect_slp): Likewise. + (struct gimple_opt_pass pass_slp_vectorize): New. + * tree-vectorizer.h (struct _bb_vec_info): Define along macros to + access its members. + (vec_info_for_bb): New function. + (struct _stmt_vec_info): Add bb_vinfo and a macro for its access. + (VECTORIZATION_ENABLED): New macro. + (SLP_ENABLED, SLP_DISABLED): Likewise. + (vect_is_simple_use): Add bb_vec_info argument. + (new_stmt_vec_info, vect_analyze_data_ref_dependences, + vect_analyze_data_refs_alignment, vect_verify_datarefs_alignment, + vect_analyze_data_ref_accesses, vect_analyze_data_refs, + vect_schedule_slp, vect_analyze_slp): Likewise. + (vect_analyze_stmt): Add slp_tree argument. + (find_bb_location): Declare. + (vect_slp_analyze_bb, vect_slp_transform_bb): Likewise. + * tree-vect-loop.c (new_loop_vec_info): Adjust function calls. + (vect_analyze_loop_operations, vect_analyze_loop, + get_initial_def_for_induction, vect_create_epilog_for_reduction, + vect_finalize_reduction, vectorizable_reduction, + vectorizable_live_operation, vect_transform_loop): Likewise. + * tree-data-ref.c (dr_analyze_innermost): Update comment, + skip evolution analysis if analyzing a basic block. + (dr_analyze_indices): Likewise. + (initialize_data_dependence_relation): Skip the test whether the + object is invariant for basic blocks. + (compute_all_dependences): Skip dependence analysis for data + references in basic blocks. + (find_data_references_in_stmt): Don't fail in case of invariant + access in basic block. + (find_data_references_in_bb): New function. + (find_data_references_in_loop): Move code to + find_data_references_in_bb and add a call to it. + (compute_data_dependences_for_bb): New function. + * tree-data-ref.h (compute_data_dependences_for_bb): Declare. + * tree-vect-data-refs.c (vect_check_interleaving): Adjust to the case + that STEP is 0. + (vect_analyze_data_ref_dependence): Check for interleaving in case of + unknown dependence in basic block and fail in case of dependence in + basic block. + (vect_analyze_data_ref_dependences): Add bb_vinfo argument, get data + dependence instances from either loop or basic block vectorization + info. + (vect_compute_data_ref_alignment): Check if it is loop vectorization + before calling nested_in_vect_loop_p. + (vect_compute_data_refs_alignment): Add bb_vinfo argument, get data + dependence instances from either loop or basic block vectorization + info. + (vect_verify_datarefs_alignment): Likewise. + (vect_enhance_data_refs_alignment): Adjust function calls. + (vect_analyze_data_refs_alignment): Likewise. + (vect_analyze_group_access): Fix printing. Skip different checks if + DR_STEP is 0. Keep strided stores either in loop or basic block + vectorization data structure. Fix indentation. + (vect_analyze_data_ref_access): Fix comments, allow zero step in + basic blocks. + (vect_analyze_data_ref_accesses): Add bb_vinfo argument, get data + dependence instances from either loop or basic block vectorization + info. + (vect_analyze_data_refs): Update comment. Call + compute_data_dependences_for_bb to analyze basic blocks. + (vect_create_addr_base_for_vector_ref): Check for outer loop only in + case of loop vectorization. In case of basic block vectorization use + data-ref itself as a base. + (vect_create_data_ref_ptr): In case of basic block vectorization: + don't advance the pointer, add new statements before the current + statement. Adjust function calls. + (vect_supportable_dr_alignment): Support only aligned accesses in + basic block vectorization. + * common.opt (ftree-slp-vectorize): New flag. + * tree-vect-patterns.c (widened_name_p): Adjust function calls. + (vect_pattern_recog_1): Likewise. + * tree-vect-stmts.c (process_use): Likewise. + (vect_init_vector): Add new statements in the beginning of the basic + block in case of basic block SLP. + (vect_get_vec_def_for_operand): Adjust function calls. + (vect_finish_stmt_generation): Likewise. + (vectorizable_call): Add assert that it is loop vectorization, adjust + function calls. + (vectorizable_conversion, vectorizable_assignment): Likewise. + (vectorizable_operation): In case of basic block SLP, take + vectorization factor from statement's type and skip the relevance + check. Adjust function calls. + (vectorizable_type_demotion): Add assert that it is loop + vectorization, adjust function calls. + (vectorizable_type_promotion): Likewise. + (vectorizable_store): Check for outer loop only in case of loop + vectorization. Adjust function calls. For basic blocks, skip the + relevance check and don't advance pointers. + (vectorizable_load): Likewise. + (vectorizable_condition): Add assert that it is loop vectorization, + adjust function calls. + (vect_analyze_stmt): Add argument. In case of basic block SLP, check + that it is not reduction, get vector type, call only supported + functions, skip loop specific parts. + (vect_transform_stmt): Check for outer loop only in case of loop + vectorization. + (new_stmt_vec_info): Add new argument and initialize bb_vinfo. + (vect_is_simple_use): Fix comment, add new argument, fix conditions + for external definition. + * passes.c (pass_slp_vectorize): New pass. + * tree-vect-slp.c (find_bb_location): New function. + (vect_get_and_check_slp_defs): Add argument, adjust function calls, + check for patterns only in loops. + (vect_build_slp_tree): Add argument, adjust function calls, fail in + case of multiple types in basic block SLP. + (vect_mark_slp_stmts_relevant): New function. + (vect_supported_load_permutation_p): Fix comment. + (vect_analyze_slp_instance): Add argument. In case of basic block + SLP, take vectorization factor from statement's type, check that + unrolling factor is 1. Adjust function call. Save SLP instance in + either loop or basic block vectorization structure. Return FALSE, + if SLP failed. + (vect_analyze_slp): Add argument. Get strided stores groups from + either loop or basic block vectorization structure. Return FALSE + if basic block SLP failed. + (new_bb_vec_info): New function. + (destroy_bb_vec_info, vect_slp_analyze_node_operations, + vect_slp_analyze_operations, vect_slp_analyze_bb): Likewise. + (vect_schedule_slp): Add argument. Get SLP instances from either + loop or basic block vectorization structure. Set vectorization factor + to be 1 for basic block SLP. + (vect_slp_transform_bb): New function. + * params.def (PARAM_SLP_MAX_INSNS_IN_BB): Define. + +2009-05-23 Mark Mitchell <mark@codesourcery.com> + + * final.c (shorten_branches): Do not align labels for jump tables. + (final_scan_insn): Use JUMP_TABLE_DATA_P. + +2009-05-23 Eric Botcazou <ebotcazou@adacore.com> + + * doc/passes.texi: Standardize spelling of RTL, Tree and Tree SSA. + Remove outdated reference to flow.c and fix nits. + * doc/gccint.texi: Tweak RTL description. + * doc/rtl.texi: Likewise. + +2009-05-23 Denis Chertykov <chertykov@gmail.com> + + * config/avr/avr.c: Change my email address. + * config/avr/avr.h: Likewise. + * config/avr/avr.md: Likewise. + * config/avr/avr-protos.h: Likewise. + * config/avr/libgcc.S: Likewise. + +2009-05-22 Trevor Smigiel <Trevor_Smigiel@playstation.sony.com> + + * config/spu/spu-protos.h (aligned_mem_p, spu_valid_mov): Remove. + (spu_split_load, spu_split_store): Change return type to int. + (spu_split_convert): Declare. + * config/spu/predicates.md (spu_mem_operand): Remove. + (spu_mov_operand): Update. + (spu_dest_operand, shiftrt_operator, extend_operator): Define. + * config/spu/spu.c (regno_aligned_for_load): Remove. + (reg_aligned_for_addr, spu_expand_load): Define. + (spu_expand_extv): Reimplement and handle MEM. + (spu_expand_insv): Handle MEM. + (spu_sched_reorder): Handle insn's with length 0. + (spu_legitimate_address_p): Reimplement. + (store_with_one_insn_p): Return TRUE for any mode with size + larger than 16 bytes. + (address_needs_split): Define. + (spu_expand_mov): Call spu_split_load and spu_split_store for MEM + operands. + (spu_convert_move): Define. + (spu_split_load): Use spu_expand_load and change all MEM's to TImode. + (spu_split_store): Change all MEM's to TImode. + (spu_init_expanders): Preallocate registers that correspond to + LAST_VIRTUAL_REG+1 and LAST_VIRTUAL_REG+2 and set them with + mark_reg_pointer. + (spu_split_convert): Define. + * config/spu/spu.md (QHSI, QHSDI): New mode iterators. + (_move<mode>, _movdi, _movti): Update predicate and condition. + (load, store): Change to define_split. + (extendqiti2, extendhiti2, extendsiti2, extendditi2): Simplify to + extend<mode>ti2. + (zero_extendqiti2, zero_extendhiti2, <v>lshr<mode>3_imm): Define. + (lshr<mode>3, lshr<mode>3_imm, lshr<mode>3_re): Simplify to one + define_insn_and_split of lshr<mode>3. + (shrqbybi_<mode>, shrqby_<mode>): Simplify to define_expand. + (<v>ashr<mode>3_imm): Define. + (extv, extzv, insv): Allow MEM operands. + (trunc_shr_ti<mode>, trunc_shr_tidi, shl_ext_<mode>ti, + shl_ext_diti, sext_trunc_lshr_tiqisi, zext_trunc_lshr_tiqisi, + sext_trunc_lshr_tihisi, zext_trunc_lshr_tihisi): Define for combine. + (_spu_convert2): Change to define_insn_and_split and remove the + corresponding define_peephole2. + (stack_protect_set, stack_protect_test, stack_protect_test_si): + Change predicates to memory_operand. + +2009-05-22 Mark Mitchell <mark@codesourcery.com> + + * config/arm/thumb2.md: Add 16-bit multiply instructions. + +2009-05-21 Michael Meissner <meissner@linux.vnet.ibm.com> + + PR tree-optimization/40219 + * tree.c (iterative_hash_expr): Make sure the builtin function is + a normal builtin function and not a front end or back end builtin + before indexing into the built_in_decls array. + +2009-05-22 Richard Guenther <rguenther@suse.de> + + PR middle-end/38964 + * alias.c (write_dependence_p): Do not use TBAA for answering + anti-dependence or output-dependence. + * tree-ssa-structalias.c (set_uids_in_ptset): Remove TBAA pruning code. + (emit_pointer_definition): Remove. + (emit_alias_warning): Likewise. + (find_what_var_points_to): Remove TBAA pruning code. + (find_what_p_points_to): Likewise. Do not warn about strict-aliasing + violations. + (compute_points_to_sets): Remove code computing the set of + dereferenced pointers. + * tree-data-ref.c (dr_may_alias_p): Properly use the split + oracle for querying anti and output dependencies. + * tree-ssa-alias.c (refs_may_alias_p_1): Add argument specifying + if TBAA may be applied. + (refs_anti_dependent_p): New function. + (refs_output_dependent_p): Likewise. + * tree-ssa-alias.h (refs_anti_dependent_p): Declare. + (refs_output_dependent_p): Likewise. + * doc/tree-ssa.texi (Memory model): New section. + * doc/c-tree.texi (CHANGE_DYNAMIC_TYPE_EXPR): Remove. + * doc/gimple.texi (GIMPLE_CHANGE_DYNAMIC_TYPE): Remove. + * cfgexpand.c (expand_gimple_basic_block): Do not handle + GIMPLE_CHANGE_DYNAMIC_TYPE or CHANGE_DYNAMIC_TYPE_EXPR. + * expr.c (expand_expr_real_1): Likewise. + * gimple-low.c (lower_stmt): Likewise. + * gimple-pretty-print.c (dump_gimple_stmt): Likewise. + (dump_gimple_cdt): Remove. + * gimple.c (gss_for_code): Do not handle GIMPLE_CHANGE_DYNAMIC_TYPE. + (gimple_size): Likewise. + (walk_gimple_op): Likewise. + (is_gimple_stmt): Likewise. + (walk_stmt_load_store_addr_ops): Likewise. + (gimple_build_cdt): Remove. + * gimple.def (GIMPLE_CHANGE_DYNAMIC_TYPE): Remove. + * gimple.h (gimple_cdt_new_type): Remove. + (gimple_cdt_new_type_ptr): Likewise. + (gimple_cdt_set_new_type): Likewise. + (gimple_cdt_location): Likewise. + (gimple_cdt_location_ptr): Likewise. + (gimple_cdt_set_location): Likewise. + * gimplify.c (gimplify_expr): Do not handle CHANGE_DYNAMIC_TYPE_EXPR. + * tree-cfg.c (remove_useless_stmts_1): Do not handle + GIMPLE_CHANGE_DYNAMIC_TYPE. + (verify_types_in_gimple_stmt): Likewise. + * tree-inline.c (estimate_num_insns): Likewise. + (expand_call_inline): Do not copy DECL_NO_TBAA_P. + (copy_decl_to_var): Likewise. + (copy_result_decl_to_var): Likewise. + * tree-pretty-print.c (dump_generic_node): Do not handle + CHANGE_DYNAMIC_TYPE_EXPR. + * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise. + * tree-ssa-operands.c (get_expr_operands): Likewise. + * tree-ssa-structalias.c (struct variable_info): Remove + no_tbaa_pruning member. + (new_var_info): Do not set it based on DECL_NO_TBAA_P. + (unify_nodes): Do not copy it. + (find_func_aliases): Do not handle GIMPLE_CHANGE_DYNAMIC_TYPE. + (dump_solution_for_var): Do not dump no_tbaa_pruning state. + (set_uids_in_ptset): Do not check it. + (find_what_var_points_to): Likewise. + (compute_tbaa_pruning): Remove. + (compute_points_to_sets): Do not call it. + * tree.c (walk_tree_1): Do not handle CHANGE_DYNAMIC_TYPE_EXPR. + * tree.def (CHANGE_DYNAMIC_TYPE_EXPR): Remove. + * tree.h (CHANGE_DYNAMIC_TYPE_NEW_TYPE): Remove. + (CHANGE_DYNAMIC_TYPE_LOCATION): Likewise. + (DECL_NO_TBAA_P): Likewise. + (struct tree_decl_common): Move no_tbaa_flag to unused flags section. + * omp-low.c (copy_var_decl): Do not copy DECL_NO_TBAA_P. + (expand_omp_atomic_pipeline): Do not set it. + * print-tree.c (print_node): Do not dump it. + * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove + redundant check. + +2009-05-22 Vladimir Makarov <vmakarov@redhat.com> + + PR target/39856 + * reg-stack.c (subst_stack_regs_pat): Remove gcc_assert for note + for clobber. + +2009-05-22 Mark Mitchell <mark@codesourcery.com> + + * tree.c (handle_dll_attribute): Mark dllexport'd inlines as + non-external. + +2009-05-22 Ben Elliston <bje@au.ibm.com> + + * Makefile.in (bversion.h, s-bversion): New targets. + (TOPLEV_H): Add bversion.h. + * toplev.h: Include "bversion.h". + (ATTRIBUTE_GCC_DIAG): When building with checking disabled, use + the __format__ attribute only if compiling with the same version + of GCC as the sources (the "build version"). + +2009-05-22 Ben Elliston <bje@au.ibm.com> + + * c-format.c (handle_format_attribute): Fix comment typo. + +2009-05-21 Steve Ellcey <sje@cup.hp.com> + + PR target/37846 + * config/ia64/ia64.opt (mfused-madd): New. + * config/ia64/ia64.h (TARGET_DEFAULT): Set MASK_FUSED_MADD. + * config/ia64/hpux.h (TARGET_DEFAULT): Ditto. + * config/ia64/ia64.md (maddsf4, msubsf4, nmaddsf4, + madddf4, madddf4_trunc, msubdf4, msubdf4_trunc, nmadddf4, + nmadddf4_truncsf, maddxf4, maddxf4_truncsf, maddxf4_truncdf, + msubxf4, msubxf4_truncsf msubxf4_truncdf, nmaddxf4, + nmaddxf4_truncsf, nmaddxf4_truncdf): Check TARGET_FUSED_MADD. + * config/ia64/vect.md (addv2sf3, subv2sf3): Force fpma/fpms + instruction if !TARGET_FUSED_MADD. + (fpma, fpms): Remove colon from name. + +2009-05-22 Richard Guenther <rguenther@suse.de> + + * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Record + TMR_ORIGINAL. Always either record TMR_SYMBOL or TMR_BASE. + * tree-ssa-pre.c (create_component_ref_by_pieces_1): Handle + TARGET_MEM_REF. + (create_expression_by_pieces): Only convert if necessary. + * gimplify.c (gimplify_expr): Handle TARGET_MEM_REF. + * tree-ssa-loop-im.c (gen_lsm_tmp_name): Handle INTEGER_CST. + +2009-05-21 Adam Nemet <anemet@caviumnetworks.com> + + * config/mips/mips.md (*extzv_trunc<mode>_exts): Turn into a + regular pattern from a template and rename it ... + (*extzv_truncsi_exts): ... to this. + +2009-05-21 Richard Guenther <rguenther@suse.de> + + * cgraph.h (struct cgraph_node): Remove inline_decl member. + * ipa-inline.c (cgraph_mark_inline_edge): Do not check it. + (cgraph_default_inline_p): Likewise. + (cgraph_decide_inlining_incrementally): Likewise. + +2009-05-21 H.J. Lu <hongjiu.lu@intel.com> + Uros Bizjak <ubizjak@gmail.com> + + * config/i386/cpuid.h (bit_MOVBE): New. + + * config/i386/driver-i386.c (host_detect_local_cpu): Check movbe. + + * config/i386/i386.c (OPTION_MASK_ISA_MOVBE_SET): New. + (OPTION_MASK_ISA_MOVBE_UNSET): Likewise. + (ix86_handle_option): Handle OPT_mmovbe. + (ix86_target_string): Add -mmovbe. + (pta_flags): Add PTA_MOVBE. + (processor_alias_table): Add PTA_MOVBE to "atom". + (override_options): Handle PTA_MOVBE. + + * config/i386/i386.h (TARGET_MOVBE): New. + + * config/i386/i386.md (bswapsi2): Check TARGET_MOVBE. + (*bswapsi_movbe): New. + (*bswapdi_movbe): Likewise. + (bswapdi2): Renamed to ... + (*bswapdi_1): This. + (bswapdi2): New expander. + + * config/i386/i386.opt (mmovbe): New. + + * doc/invoke.texi: Document -mmovbe. + +2009-05-21 Taras Glek <tglek@mozilla.com> + + * plugin.c (try_init_one_plugin): Updated to new plugin_init API. + * gcc-plugin.h (plugin_init): Updated signature. + * gcc-plugin.h (plugin_name_args): Moved to this header. + * doc/plugins.texi (plugin_init): Updated documention to reflect + API change. + * doc/plugins.texi (plugin_name_args): Added to documention. + +2009-05-21 Mark Mitchell <mark@codesourcery.com> + + * config/arm/neon.md (*mul<mode>3add<mode>_neon): New pattern. + (*mul<mode>3neg<mode>add<mode>_neon): Likewise. + +2009-05-21 Shujing Zhao <pearly.zhao@oracle.com> + + * config/i386/i386.c: Use REG_P, MEM_P, CONST_INT_P, LABEL_P and + JUMP_TABLE_DATA_P predicates where applicable. + * config/i386/predicates.md: Ditto. + * config/i386/sse.md: Ditto. + +2009-05-21 Jakub Jelinek <jakub@redhat.com> + + * config/i386/i386.md (adddi_4_rex64, addsi_4, addhi_4): For + operand2 -128 override length_immediate attribute to 1. + * config/i386/predicates.md (constm128_operand): New predicate. + + * config/i386/i386.c (memory_address_length): Handle %r12 + the same as %rsp and %r13 the same as %rbp. For %rsp and %rbp + also check REGNO. + (ix86_attr_length_address_default): For MODE_SI lea in 64-bit + mode look through optional ZERO_EXTEND and SUBREG. + * config/i386/i386.md (R12_REG): New define_constant. + (prefix_data16): For sse unit set also for MODE_TI insns. + (prefix_rex): For -m32 always return 0. For TYPE_IMOVX + insns set if operand 1 is ext_QIreg_operand. + (modrm): For TYPE_IMOV clear only if not MODE_DI. For + TYPE_{ALU{,1},ICMP,TEST} insn clear if there is non-shortened + immediate. + (*movdi_extzv_1, zero_extendhidi2, zero_extendqidi2): Change + mode from MODE_DI to MODE_SI. + (movdi_1_rex64): Override modrm and length_immediate attributes + only for movabs (TYPE_IMOV, alternative 2). + (zero_extendsidi2_rex64): Clear prefix_0f attribute if TYPE_IMOVX. + (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit, + *float<SSEMODEI24:mode><MODEF:mode>2_mixed_nointerunit, + *float<SSEMODEI24:mode><MODEF:mode>2_sse_interunit, + *float<SSEMODEI24:mode><MODEF:mode>2_sse_nointerunit): Set + prefix_rex attribute if DImode. + (*adddi_1_rex64, *adddi_2_rex64, *adddi_3_rex64, *adddi_5_rex64, + *addsi_1, *addsi_1_zext, *addsi_2, *addsi_2_zext, *addsi_3, + *addsi_3_zext, *addsi_5, *addhi_1_lea, *addhi_1, *addhi_2, *addhi_3, + *addhi_5, *addqi_1_lea, *addqi_1): Override length_immediate + attribute to 1 if TYPE_ALU and operand 2 is const128_operand. + (pro_epilogue_adjust_stack_1, pro_epilogue_adjust_stack_rex64): + Likewise. For TYPE_IMOV clear length_immediate attribute. + (*ashldi3_1_rex64, *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, + *ashlsi3_1, *ashlsi3_1_zext, *ashlsi3_cmp, **ashlsi3_cconly, + *ashlsi3_cmp_zext, *ashlhi3_1_lea, *ashlhi3_1, *ashlhi3_cmp, + *ashlhi3_cconly, *ashlqi3_1_lea, *ashlqi3_1, *ashlqi3_cmp, + *ashlqi3_cconly): Override length_immediate attribute to 0 if TYPE_ALU + or one operand TYPE_ISHIFT. + (*ashrdi3_1_one_bit_rex64, *ashrdi3_one_bit_cmp_rex64, + *ashrdi3_one_bit_cconly_rex64, *ashrsi3_1_one_bit, + *ashrsi3_1_one_bit_zext, *ashrsi3_one_bit_cmp, + *ashrsi3_one_bit_cconly, *ashrsi3_one_bit_cmp_zext, + *ashrhi3_1_one_bit, *ashrhi3_one_bit_cmp, *ashrhi3_one_bit_cconly, + *ashrqi3_1_one_bit, *ashrqi3_1_one_bit_slp, *ashrqi3_one_bit_cmp, + *ashrqi3_one_bit_cconly, *lshrdi3_1_one_bit_rex64, + *lshrdi3_cmp_one_bit_rex64, *lshrdi3_cconly_one_bit_rex64, + *lshrsi3_1_one_bit, *lshrsi3_1_one_bit_zext, *lshrsi3_one_bit_cmp, + *lshrsi3_one_bit_cconly, *lshrsi3_cmp_one_bit_zext, + *lshrhi3_1_one_bit, *lshrhi3_one_bit_cmp, *lshrhi3_one_bit_cconly, + *lshrqi3_1_one_bit, *lshrqi3_1_one_bit_slp, *lshrqi2_one_bit_cmp, + *lshrqi2_one_bit_cconly, *rotlsi3_1_one_bit_rex64, *rotlsi3_1_one_bit, + *rotlsi3_1_one_bit_zext, *rotlhi3_1_one_bit, *rotlqi3_1_one_bit_slp, + *rotlqi3_1_one_bit, *rotrdi3_1_one_bit_rex64, *rotrsi3_1_one_bit, + *rotrsi3_1_one_bit_zext, *rotrhi3_one_bit, *rotrqi3_1_one_bit, + *rotrqi3_1_one_bit_slp): Override length_immediate attribute to 0, + set mode attribute, don't override length attribute. + (*btsq, *btrq, *btcq, *btdi_rex64, *btsi): Set prefix_0f attribute + to 1. + (return_internal_long): Set length attribute to 2 instead of 1. + (*strmovqi_rex_1, *strsetqi_rex_1, *rep_stosqi_rex64, + *cmpstrnqi_nz_rex_1, *cmpstrnqi_rex_1, *strlenqi_rex_1): Clear + prefix_rex attribute. + * config/i386/predicates.md (ext_QIreg_operand, const128_operand): + New predicates. + (memory_displacement_only_operand): Always return 0 for TARGET_64BIT. + +2009-05-21 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com> + + * config/arm/thumb2.md (orsi_notsi_si): Fix typo in pattern. + +2009-05-20 Ian Lance Taylor <iant@google.com> + + * tree.c (build_tree_list_vec_stat): New function. + (ctor_to_vec): New function. + (build_nt_call_vec): New function. + (build_call_array): Change args to be a const pointer. + (build_call_vec): New function. + * tree.h (build_nt_call_vec): Declare. + (build_tree_list_vec_stat): Declare. + (build_tree_list_vec): Define. + (build_call_array): Update declaration. + (build_call_vec): Declare. + (ctor_to_vec): Declare. + * c-common.c (tree_vector_cache): New static variable. + (make_tree_vector): New function. + (release_tree_vector): New function. + (make_tree_vector_single): New function. + (make_tree_vector_copy): New function. + * c-common.h (tree_vector_cache, make_tree_vector): Declare. + (make_tree_vector_single, make_tree_vector_copy): Declare. + * c-parser.c (cached_expr_list_1, cached_expr_list_2): Remove. + (c_parser_expr_list): Don't manage cache here, instead call + make_tree_vector. + (c_parser_release_expr_list): Remove static function. + (c_parser_vec_to_tree_list): Remove static function. + (c_parser_attributes): Call build_tree_list_vec instead of + c_parser_vec_to_tree_list. Call release_tree_vector instead of + c_parser_release_expr_list. + (c_parser_postfix_expression_after_primary): Likewise. + (c_parser_objc_keywordexpr): Likewise. + +2009-05-20 Sandra Loosemore <sandra@codesourcery.com> + + * doc/tm.texi (Misc): Document TARGET_INVALID_PARAMETER_TYPE, + TARGET_INVALID_RETURN_TYPE, TARGET_PROMOTED_TYPE, and + TARGET_CONVERT_TO_TYPE. + * hooks.c (hook_tree_const_tree_null): Define. + * hooks.h (hook_tree_const_tree_null): Declare. + * target.h (struct gcc_target): Add invalid_parameter_type, + invalid_return_type, promoted_type, and convert_to_type fields. + * target-def.h (TARGET_INVALID_PARAMETER_TYPE): Define. + (TARGET_INVALID_RETURN_TYPE): Define. + (TARGET_PROMOTED_TYPE): Define. + (TARGET_CONVERT_TO_TYPE): Define. + (TARGET_INITIALIZER): Update for new fields. + * c-decl.c (grokdeclarator): Check targetm.invalid_return_type. + (grokparms): Check targetm.invalid_parameter_type. + * c-typeck.c (default_conversion): Check targetm.promoted_type. + * c-convert.c (convert): Check targetm.convert_to_type. + +2009-05-20 Adam Nemet <anemet@caviumnetworks.com> + + * config/mips/mips.md (*extenddi_truncate<mode>, + *extendsi_truncate<mode>): Emit exts if supported. Add attribute + defintions. + (*extendhi_truncateqi): New define_insn_and_sptit. + +2009-05-20 Jakub Jelinek <jakub@redhat.com> + + PR middle-end/40204 + * fold-const.c (fold_binary) <case BIT_AND_EXPR>: Avoid infinite + recursion if build_int_cst_type returns the same INTEGER_CST as arg1. + +2009-05-20 Eric Botcazou <ebotcazou@adacore.com> + + * fold-const.c (build_fold_addr_expr_with_type): Take the address of + the operand of VIEW_CONVERT_EXPR. + +2009-05-20 H.J. Lu <hongjiu.lu@intel.com> + + * config/i386/driver-i386.c (host_detect_local_cpu): Check + extended family and model for Intel processors. Support Intel Atom. + +2009-05-20 Olivier Hainque <hainque@adacore.com> + + * gstab.h (stab_code_type): Define, to be used instead of the + __stab_debug_code enum, made anonymous. Add 2009 to the copyright + notice. + * dbxout.c (STAB_CODE_TYPE): Remove #define and replace use + occurrences by stab_code_type. + * mips-tfile.c (STAB_CODE_TYPE): Remove #define, unused. + +2009-05-20 Martin Jambor <mjambor@suse.cz> + + * tree-flow.h (insert_edge_copies_seq): Undeclare. + (sra_insert_before): Likewise. + (sra_insert_after): Likewise. + (sra_init_cache): Likewise. + (sra_type_can_be_decomposed_p): Likewise. + * tree-mudflap.c (insert_edge_copies_seq): Copied here from tree-sra.c + * tree-sra.c (sra_type_can_be_decomposed_p): Made static. + (sra_insert_before): Likewise. + (sra_insert_after): Likewise. + (sra_init_cache): Likewise. + (insert_edge_copies_seq): Made static and moved upwards. + + * tree-complex.c (extract_component): Added VIEW_CONVERT_EXPR switch + case. + + * tree-flow-inline.h (contains_view_convert_expr_p): New function. + + * ipa-prop.c (get_ssa_def_if_simple_copy): New function. + (determine_cst_member_ptr): Call get_ssa_def_if_simple_copy to skip + simple copies. + +2009-05-20 Richard Guenther <rguenther@suse.de> + + * expr.c (expand_expr_real_1): Avoid calling do_store_flag + with mismatched comparison modes. + +2009-05-20 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com> + + * config/arm/arm.md (*arm_iorsi3): Refactored for only ARM. + (peephole ior (reg, int) -> mov, ior): Refactored for only ARM. + * config/arm/thumb2.md (*thumb_andsi_not_shiftsi_si): Allow bic + with shifts for Thumb2. + (orsi_notsi): New for orn. + (*thumb_orsi_notshiftsi_si): Allow orn with shifts. + (*thumb2_iorsi3): Rewrite support for iorsi for Thumb2. + * config/arm/arm.c (const_ok_for_op): Split case for IOR for Thumb2. + (arm_gen_constant): Set can_invert for IOR and Thumb2, Add comments. + Don't invert remainder for IOR. + +2009-05-19 Zdenek Dvorak <ook@ucw.cz> + + PR tree-optimization/40087 + * tree-ssa-loop-niter.c (number_of_iterations_ne_max, + number_of_iterations_ne): Rename never_infinite argument. + (number_of_iterations_lt_to_ne, number_of_iterations_lt, + number_of_iterations_le): Handle pointer-type ivs when + exit_must_be_taken is false. + (number_of_iterations_cond): Do not always assume that + exit_must_be_taken if the control variable is a pointer. + +2009-05-19 Andrew Pinski <andrew_pinski@playstation.sony.com> + + * c-typeck.c (build_binary_op): Allow % on integal vectors. + * doc/extend.texi (Vector Extension): Document that % is allowed too. + +2009-05-19 H.J. Lu <hongjiu.lu@intel.com> + + * config/i386/i386.c (ix86_avoid_jump_mispredicts): Check + ASM_OUTPUT_MAX_SKIP_PAD instead of ASM_OUTPUT_MAX_SKIP_ALIGN. + +2009-05-19 Manuel López-Ibáñez <manu@gcc.gnu.org> + + PR c/40172 + * c.opt (Wlogical-op): Disabled by default. + * c-opt (c_common_post_options): Do not enable Wlogical-op with + Wextra. + * doc/invoke.texi (Wlogical-op): Likewise. + +2009-05-19 Eric Botcazou <ebotcazou@adacore.com> + + * tree-scalar-evolution.c (follow_ssa_edge_expr) <NOP_EXPR>: Turn + into CASE_CONVERT. + <PLUS_EXPR>: Strip useless type conversions instead of type nops. + Propagate the type of the first operand. + <ASSERT_EXPR>: Simplify. + (follow_ssa_edge_in_rhs): Use gimple_expr_type to get the type. + Rewrite using the RHS code as discriminant. + <NOP_EXPR>: Turn into CASE_CONVERT. + <PLUS_EXPR>: Propagate the type of the first operand. + +2009-05-19 Steve Ellcey <sje@cup.hp.com> + + * config/ia64/ia64-protos.h (ia64_dconst_0_5): New. + (ia64_dconst_0_375): New. + * config/ia64/ia64.c (ia64_override_options): Remove + -minline-sqrt-min-latency warning. + (ia64_dconst_0_5_rtx, ia64_dconst_0_5): New. + (ia64_dconst_0_375_rtx, ia64_dconst_0_375): New + * config/ia64/ia64.md (*sqrt_approx): Remove. + (sqrtsf2): Remove #if 0. + (sqrtsf2_internal_thr): Rewrite and move to div.md. + (sqrtdf): Remove assert. + (sqrtdf2_internal_thr): Rewrite and move to div.md. + (sqrtxf2): Remove #if 0. + (sqrtxf2_internal_thr): Rewrite and move to div.md. + * div.md (sqrt_approx_rf): New. + (sqrtsf2_internal_thr): New implementation. + (sqrtsf2_internal_lat): New. + (sqrtdf2_internal_thr: New implementation. + (sqrtxf2_internal): New implementation. + +2009-05-19 Francois-Xavier Coudert <fxcoudert@gmail.com> + Hans-Peter Nilsson <hp@axis.com> + + * defaults.h (UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE) + (WCHAR_TYPE, MODIFIED_WCHAR_TYPE, PTRDIFF_TYPE, WINT_TYPE) + (INTMAX_TYPE, UINTMAX_TYPE, SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE) + (INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE) + (UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE) + (INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE) + (UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE) + (INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE) + (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE) + (SIZE_TYPE, PID_TYPE, CHAR16_TYPE, CHAR32_TYPE): Move defaults here... + * c-common.c: ...from here. + +2009-05-19 Manuel López-Ibáñez <manu@gcc.gnu.org> + + * c-common.c (warn_logical_operator): Remove unnecessary conditionals. + +2009-05-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * builtins.c (do_mpc_arg1): Separate MPFR/MPC C rounding types. + +2009-05-19 Ben Elliston <bje@au.ibm.com> + + * unwind-dw2-fde.c (fde_unencoded_compare): Replace type punning + assignments with memcpy calls. + (add_fdes): Likewise. + (binary_search_unencoded_fdes): Likewise. + (linear_search_fdes): Eliminate type puns. + +2009-05-19 Richard Guenther <rguenther@suse.de> + + * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do + not falsely claim to have propagated into all uses. + +2009-05-19 Ben Elliston <bje@au.ibm.com> + + * doc/invoke.texi (C Dialect Options): Update OpenMP specification + version to v3.0. + +2009-05-18 Kaz Kojima <kkojima@gcc.gnu.org> + + * config/sh/sh-protos.h (sh_legitimate_address_p): Remove. + * config/sh/sh.c (sh_legitimate_address_p): Make static. + (TARGET_LEGITIMATE_ADDRESS_P): New. + * config/sh/sh.h (GO_IF_LEGITIMATE_ADDRESS): Delete. + * config/sh/sh.md: Clean up references to GO_IF_LEGITIMATE_ADDRESS. + +2009-05-18 Dodji Seketeli <dodji@redhat.com> + + PR debug/40109 + * dwarf2out.c (gen_type_die_with_usage): Generate the DIE as a + child of the containing namespace's DIE. + +2009-05-18 Adam Nemet <anemet@caviumnetworks.com> + + * config/mips/mips.md (*zero_extend<GPR:mode>_trunc<SHORT:mode>, + *zero_extendhi_truncqi): Move after the zero_extend patterns. + (*extenddi_truncate<mode>, *extendsi_truncate<mode>): Move after the + extend patterns. + +2009-05-18 H.J. Lu <hongjiu.lu@intel.com> + + PR target/39942 + * config/i386/i386.c (ix86_avoid_jump_misspredicts): Replace + gen_align with gen_pad. + (ix86_reorg): Check ASM_OUTPUT_MAX_SKIP_PAD instead of + #ifdef ASM_OUTPUT_MAX_SKIP_ALIGN. + + * config/i386/i386.h (ASM_OUTPUT_MAX_SKIP_PAD): New. + * config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_PAD): Likewise. + + * config/i386/i386.md (align): Renamed to ... + (pad): This. Replace ASM_OUTPUT_MAX_SKIP_ALIGN with + ASM_OUTPUT_MAX_SKIP_PAD. + +2009-05-18 Andreas Schwab <schwab@linux-m68k.org> + + * config.gcc: Fix variable syntax. + + PR target/39531 + * config/m68k/m68k.c (output_andsi3): Mask off sign bit copies + before calling exact_log2. + (output_iorsi3): Likewise. + (output_xorsi3): Likewise. + +2009-05-18 Kaz Kojima <kkojima@gcc.gnu.org> + + * config/sh/sh.c (expand_cbranchdi4): Use a scratch register + for the none zero constant operand except for EQ and NE + comprisons even when the first operand is R0. + +2009-05-18 Andreas Krebbel <krebbel1@de.ibm.com> + + * config/s390/2064.md: Remove trailing whitespaces. + * config/s390/2084.md: Likewise. + * config/s390/constraints.md: Likewise. + * config/s390/fixdfdi.h: Likewise. + * config/s390/libgcc-glibc.ver: Likewise. + * config/s390/s390-modes.def: Likewise. + * config/s390/s390-protos.h: Likewise. + * config/s390/s390.c: Likewise. + * config/s390/s390.h: Likewise. + * config/s390/s390.md: Likewise. + * config/s390/tpf-unwind.h: Likewise. + +2009-05-18 Maxim Kuvyrkov <maxim@codesourcery.com> + + * config/m68k/m68k.c (m68k_legitimize_address): Fix typo in signature. + +2009-05-18 Maxim Kuvyrkov <maxim@codesourcery.com> + + M68K TLS support. + * configure.ac (m68k-*-*): Check if binutils support TLS. + * configure: Regenerate. + * config/m68k/predicates.md (symbolic_operand): Extend comment. + * config/m68k/constraints.md (Cu): New constraint. + * config/m68k/m68k.md (UNSPEC_GOTOFF): Remove. + (UNSPEC_RELOC16, UNSPEC_RELOC32): New constants. + (movsi): Handle TLS symbols. + (addsi3_5200): Handle XTLS symbols, indent. + * config/m68k/m68k-protos.h (m68k_legitimize_tls_address): Declare. + (m68k_tls_reference_p): Declare. + (m68k_legitimize_address): Declare. + (m68k_unwrap_symbol): Declare. + * config/m68k/m68k.opt (mxtls): New option. + * config/m68k/m68k.c (ggc.h): Include. + (m68k_output_dwarf_dtprel): Implement hook. + (TARGET_HAVE_TLS, TARGET_ASM_OUTPUT_DWARF_DTPREL): Define. + (m68k_expand_prologue): Load GOT pointer when function needs it. + (m68k_illegitimate_symbolic_constant_p): Handle TLS symbols. + (m68k_legitimate_constant_address_p): Same. + (m68k_decompose_address): Handle TLS references. + (m68k_get_gp): New static function. + (enum m68k_reloc): New contants. + (TLS_RELOC_P): New macro. + (m68k_wrap_symbol): New static function. + (m68k_unwrap_symbol): New function. + (m68k_final_prescan_insn_1): New static function. + (m68k_final_prescan_insn): New function. + (m68k_move_to_reg, m68k_wrap_symbol_into_got_ref): New static + functions. + (legitimize_pic_address): Handle TLS references.. + (m68k_tls_get_addr, m68k_get_tls_get_addr) + (m68k_libcall_value_in_a0_p) + (m68k_call_tls_get_addr, m68k_read_tp, m68k_get_m68k_read_tp) + (m68k_call_m68k_read_tp): Helper variables and functions for ... + (m68k_legitimize_tls_address): Handle TLS references. + (m68k_tls_symbol_p, m68k_tls_reference_p_1, m68k_tls_reference_p): + New functions. + (m68k_legitimize_address): Handle TLS symbols. + (m68k_get_reloc_decoration): New static function. + (m68k_output_addr_const_extra): Handle UNSPEC_RELOC16 and + UNSPEC_RELOC32. + (m68k_output_dwarf_dtprel): Implement hook. + (print_operand_address): Handle UNSPEC_RELOC16 adn UNSPEC_RELOC32. + (m68k_libcall_value): Return result in A0 instead of D0 when asked by + m68k_call_* routines. + (sched_attr_op_type): Handle TLS symbols. + (gt-m68k.h): Include. + * config/m68k/m68k.h (FINAL_PRESCAN_INSN): Define. + (LEGITIMATE_PIC_OPERAND_P): Support TLS. + +2009-05-18 Martin Jambor <mjambor@suse.cz> + + * ipa-prop.c (ipa_check_stmt_modifications): Removed. + (visit_store_addr_for_mod_analysis): New function. + (ipa_detect_param_modifications): Use walk_stmt_load_store_addr_ops. + (determine_cst_member_ptr): Use gimple_assign_single_p. + (ipa_get_stmt_member_ptr_load_param): Use gimple_assign_single_p. + (ipa_analyze_call_uses): Use !gimple_assign_rhs2 rather than number of + operands. Don't check number of operands of a NOP_EXPR. + +2009-05-18 Eric Fisher <joefoxreal@gmail.com> + + * doc/tree-ssa.texi (SSA Operands): Fix a mistake. + +2009-05-17 Manuel López-Ibáñez <manu@gcc.gnu.org> + + PR c/40172 + * c-common.c (warn_logical_operator): Don't warn if one of + expression isn't always true or false. + +2009-05-17 Kai Tietz <kai.tietz@onevision.com> + + * config/i386/biarch32.h: New file. + * config.gcc: Add for target i386-w64-* the biarch32.h to tm_file. + +2009-05-17 Adam Nemet <anemet@caviumnetworks.com> + + * config/mips/mips.md (*zero_extend<mode>_trunchi, + *zero_extend<mode>_truncqi): Merge these into ... + (*zero_extend<GPR:mode>_trunc<SHORT:mode>): ... this new pattern. + Name the pattern following this as *zero_extendhi_truncqi. + +2009-05-16 Brad Lucier <lucier@math.purdue.edu> + + PR middle-end/39301 + * hwint.h: Add macro HOST_WIDEST_INT_PRINT. + * bitmap.c (bitmap_descriptor): Make fields HOST_WIDEST_INT. + (output_info): Make field HOST_WIDEST_INT. + (print_statistics): Use HOST_WIDEST_INT_PRINT. + (dump_bitmat_statistics): Same. + +2009-05-16 Francois-Xavier Coudert <fxcoudert@gmail.com> + + * config.gcc (use_gcc_stdint): Set to wrap. + * config/darwin.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, + INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, + UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE, + INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, + UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE, + INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE, + UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE, + UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define. + +2009-05-16 Joseph Myers <joseph@codesourcery.com> + + * config.gcc (mips*-*-*): Support arch_32, arch_64, tune_32 and + tune_64. + * config/mips/mips.h (MIPS_ABI_DEFAULT, MULTILIB_ABI_DEFAULT): + Move definitions earlier. + (OPT_ARCH64, OPT_ARCH32): Define. + (OPTION_DEFAULT_SPECS): Add entries for arch_32, arch_64, tune_32 + and tune_64. + +2009-05-16 Richard Earnshaw <rearnsha@arm.com> + + PR target/40153 + * arm.md (cstoresi_nltu_thumb1): Use a neg of ltu as the pattern name + implies. + +2009-05-16 Richard Earnshaw <rearnsha@arm.com> + + * arm.md (movdi2): Copy non-reg values to DImode registers. + +2009-05-16 Jakub Jelinek <jakub@redhat.com> + + PR target/39942 + * final.c (label_to_max_skip): New function. + (label_to_alignment): Only use LABEL_TO_ALIGNMENT if + CODE_LABEL_NUMBER <= max_labelno. + * output.h (label_to_max_skip): New prototype. + * config/i386/i386.c (ix86_avoid_jump_misspredicts): Renamed to... + (ix86_avoid_jump_mispredicts): ... this. Don't define if + ASM_OUTPUT_MAX_SKIP_ALIGN isn't defined. Update comment. + Handle CODE_LABELs with >= 16 byte alignment or with + max_skip == (1 << align) - 1. + (ix86_reorg): Don't call ix86_avoid_jump_mispredicts if + ASM_OUTPUT_MAX_SKIP_ALIGN isn't defined. + + PR target/39942 + * config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Don't emit second + .p2align 3 if MAX_SKIP is smaller than 7. + * config/i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise. + +2009-05-15 Ian Lance Taylor <iant@google.com> + + * alias.c (struct alias_set_entry_d): Rename from struct + alias_set_entry. Change all uses. + * except.c (struct call_site_record_d): Rename from struct + call_site_record. Change all uses. + * except.h (struct eh_region_d): Rename from struct eh_region. + Change all uses. + * gcse.c (struct hash_table_d): Rename from struct hash_table. + Change all uses. + * graphite.c (struct ivtype_map_elt_d): Rename fromstruct + ivtype_map_elt. Change all uses. + (struct rename_map_elt_d): Rename fromstruct rename_map_elt. + Change all uses. + (struct ifsese_d): Rename fromstruct ifsese. Change all uses. + * graphite.h (struct name_tree_d): Rename from struct name_tree. + Change all uses. + (struct sese_d): Rename from struct sese. Change all uses. + * omega.h (struct eqn_d): Rename from struct eqn. Change all uses. + (struct omega_pb_d): Rename from struct omega_pb. Change all uses. + * optabs.h (struct optab_d): Rename from struct optab. Change all + uses. + (struct convert_optab_d): Rename from struct convert_optab. + Change all uses. + * tree-pass.h (struct ipa_opt_pass_d): Rename fromstruct + ipa_opt_pass. Change all uses. + * tree-predcom.c (struct dref_d): Rename from struct dref. Change + all uses. + + * c-decl.c (pushtag): If -Wc++-compat, warn if the tag is already + defined as a typedef. + (grokdeclarator): If -Wc++-compat, warn if a typedef is already + defined as a tag. + +2009-05-15 Manuel López-Ibáñez <manu@gcc.gnu.org> + + PR 16302 + * fold-const.c (make_range,build_range_check,merge_ranges): Move + declaration to... + (merge_ranges): Returns bool. + * tree.h (make_range): .. to here. + (build_range_check): Likewise. + (merge_ranges): Likewise. Renamed from merge_ranges. + * c-typeck.c (parser_build_binary_op): Update calls to + warn_logical_operator. + * c-common.c (warn_logical_operator): Add new warning. + * c-common.h (warn_logical_operator): Update declaration. + +2009-05-15 Manuel López-Ibáñez <manu@gcc.gnu.org> + + * ira-conflicts.c (add_insn_allocno_copies): Fix wrong conditional. + +2009-05-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * doc/install.texi: Document MPC requirements, flags etc. + + * builtins.c (do_mpc_arg1, fold_builtin_ccos): New. + (fold_builtin_cexp): Ensure we get a complex REAL_TYPE. + Evaluate constant arguments. + (fold_builtin_carg): Ensure we get a complex REAL_TYPE. + (fold_builtin_1): Likewise, also evaluate constant arguments. + Remove superfluous break. + (do_mpc_ckconv): New. + * real.h: Include mpc.h. + * toplev.c (print_version): Output MPC version info if available. + +2009-05-15 Sandra Loosemore <sandra@codesourcery.com> + + * fold-const.c (fold_convert_const_real_from_real): Check for overflow. + +2009-05-15 H.J. Lu <hongjiu.lu@intel.com> + + * config/i386/i386.c (ix86_reorg): Call optimize_function_for_speed_p + only once. + +2009-05-15 Jan Hubicka <jh@suse.cz> + + * doc/invoke.texi (max-early-inliner-iterations): New flag. + * ipa-inline.c (enum inlining_mode): New INLINE_SIZE_NORECURSIVE. + (try_inline): Fix return value. + (cgraph_decide_inlining_incrementally): Honor new value. + (cgraph_early_inlining): Handle indirect inlining. + * params.def (PARAM_EARLY_INLINER_MAX_ITERATIONS): New. + +2009-05-15 Jan Hubicka <jh@suse.cz> + + * cgraph.h (struct cgraph_node): Add finalized_by_frotnend flag. + * cgraphunit.c (cgraph_finalize_function): Set it. + (cgraph_expand_function): Use it. + +2009-05-15 Sandra Loosemore <sandra@codesourcery.com> + + * real.c (encode_ieee_half): Define. + (decode_ieee_half): Define. + (ieee_half_format): Define. + (arm_half_format): Define. + * real.h (ieee_half_format): Declare. + (arm_half_format): Declare. + +2009-05-15 Sandra Loosemore <sandra@codesourcery.com> + + * optabs.c (prepare_float_lib_cmp): Test that the comparison, + swapped, and reversed optabs exist before trying to use them. + +2009-05-15 Paul Brook <paul@codesourcery.com> + Sandra Loosemore <sandra@codesourcery.com> + + * config/arm/arm.c (neon_vector_mem_operand): Handle element/structure + loads. Allow PRE_DEC. + (output_move_neon): Handle PRE_DEC. + (arm_print_operand): Add 'A' for neon structure loads. + * config/arm/arm-protos.h (neon_vector_mem_operand): Update prototype. + * config/arm/neon.md (neon_mov): Update comment. + * config/arm/constraints.md (Un, Us): Update neon_vector_mem_operand + calls. + (Um): New constraint. + +2009-05-15 Jan Hubicka <jh@suse.cz> + + Revert the following patch until testsuite fallout is fixed: + * cgraph.c (dump_cgraph_node): Dump size/time/benefit. + * cgraph.h (struct inline_summary): New filed self_wize, + size_inlining_benefit, self_time and time_inlining_benefit. + (struct cgraph_global_info): Replace insns by time ans size fields. + * ipa-cp (ipcp_cloning_candidate_p): Base estimate on size + (ipcp_estimate_growth, ipcp_insert_stage): Likewise. + (ipcp_update_callgraph): Do not touch function bodies. + * ipa-inline.c: Include except.h + (MAX_TIME): New constant. + (overall_insns): Remove + (overall_size, max_benefit): New static variables. + (cgraph_estimate_time_after_inlining): New function. + (cgraph_estimate_size_after_inlining): Rewrite using benefits. + (cgraph_clone_inlined_nodes): Update size. + (cgraph_mark_inline_edge): Update size. + (cgraph_estimate_growth): Use size info. + (cgraph_check_inline_limits): Check size. + (cgraph_default_inline_p): Likewise. + (cgraph_edge_badness): Compute badness based on benefit and size cost. + (cgraph_decide_recursive_inlining): Check size. + (cgraph_decide_inlining_of_small_function): Update size; dump sizes + and times. + (cgraph_decide_inlining): Likewise. + (cgraph_decide_inlining_incrementally): Likewise; honor + PARAM_EARLY_INLINING_INSNS. + (likely_eliminated_by_inlining_p): New predicate. + (estimate_function_body_sizes): New function. + (compute_inline_parameters): Use it. + * except.c (must_not_throw_labels): New function. + * except.h (must_not_throw_labels): Declare. + * tree-inline.c (init_inline_once): Kill inlining_weigths + * tree-ssa-structalias.c: Avoid uninitialized warning. + * params.def (PARAM_MAX_INLINE_INSNS_SINGLE): Reduce to 300. + (PARAM_MAX_INLINE_INSNS_AUTO): Reduce to 60. + (PARAM_INLINE_CALL_COST): Remove. + (PARAM_EARLY_INLINING_INSNS): New. + +2009-05-15 Richard Guenther <rguenther@suse.de> + + * tree-ssa-pre.c (eliminate): Use TODO_update_ssa_only_virtuals, + not TODO_update_ssa. + +2009-05-15 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/39999 + * gimple.h (gimple_expr_type): Use the expression type looking + through useless conversions. + * tree-ssa-sccvn.c (vn_nary_op_lookup_stmt): Use gimple_expr_type. + (vn_nary_op_insert_stmt): Likewise. + (simplify_binary_expression): Likewise. + +2009-05-15 Richard Guenther <rguenther@suse.de> + + * common.opt (-ftree-forwprop, -ftree-phiprop, -ftree-pta): + New options, enabled by default. + * doc/invoke.texi (-ftree-forwprop, -ftree-phiprop, -ftree-pta): + Document. + * tree-ssa-forwprop.c (gate_forwprop): Use flag_tree_forwprop. + * tree-ssa-phiprop.c (gate_phiprop): Use flag_tree_phiprop. + * tree-ssa-structalias.c (gate_tree_pta): New function. + (pass_build_alias): Use it. + +2009-05-15 Joseph Myers <joseph@codesourcery.com> + + * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Also + recurse on an invariant address if a conversion from a pointer + type to a wider integer type is involved. + +2009-05-15 Jan Hubicka <jh@suse.cz> + + * cgraph.c (dump_cgraph_node): Dump size/time/benefit. + * cgraph.h (struct inline_summary): New filed self_wize, + size_inlining_benefit, self_time and time_inlining_benefit. + (struct cgraph_global_info): Replace insns by time ans size fields. + * ipa-cp (ipcp_cloning_candidate_p): Base estimate on size + (ipcp_estimate_growth, ipcp_insert_stage): Likewise. + (ipcp_update_callgraph): Do not touch function bodies. + * ipa-inline.c: Include except.h + (MAX_TIME): New constant. + (overall_insns): Remove + (overall_size, max_benefit): New static variables. + (cgraph_estimate_time_after_inlining): New function. + (cgraph_estimate_size_after_inlining): Rewrite using benefits. + (cgraph_clone_inlined_nodes): Update size. + (cgraph_mark_inline_edge): Update size. + (cgraph_estimate_growth): Use size info. + (cgraph_check_inline_limits): Check size. + (cgraph_default_inline_p): Likewise. + (cgraph_edge_badness): Compute badness based on benefit and size cost. + (cgraph_decide_recursive_inlining): Check size. + (cgraph_decide_inlining_of_small_function): Update size; dump sizes + and times. + (cgraph_decide_inlining): Likewise. + (cgraph_decide_inlining_incrementally): Likewise; honor + PARAM_EARLY_INLINING_INSNS. + (likely_eliminated_by_inlining_p): New predicate. + (estimate_function_body_sizes): New function. + (compute_inline_parameters): Use it. + * except.c (must_not_throw_labels): New function. + * except.h (must_not_throw_labels): Declare. + * tree-inline.c (init_inline_once): Kill inlining_weigths + * tree-ssa-structalias.c: Avoid uninitialized warning. + * params.def (PARAM_MAX_INLINE_INSNS_SINGLE): Reduce to 300. + (PARAM_MAX_INLINE_INSNS_AUTO): Reduce to 60. + (PARAM_INLINE_CALL_COST): Remove. + (PARAM_EARLY_INLINING_INSNS): New. + doc/invoke.texi (max-inline-insns-auto, early-inlining-insns): Update. + (inline-call-cost): Remove. + (early-inlining-insns): New. + +2009-05-15 Eric Botcazou <ebotcazou@adacore.com> + + * dbxout.c (dbxout_range_type): Add LOW and HIGH parameters. Use them + for bounds. + (print_int_cst_bounds_in_octal_p): Likewise. + (dbxout_type): Adjust calls to above functions. Be prepared to deal + with subtypes. + * dwarf2out.c (base_type_die): Likewise. + (is_subrange_type): Delete. + (subrange_type_die): Add LOW and HIGH parameters. Use them for bounds. + (modified_type_die): Call subrange_type_for_debug_p on subtypes. + * fold-const.c (fold_truth_not_expr) <CONVERT_EXPR>: Do not strip it + if the destination type is boolean. + (build_range_check): Do not special-case subtypes. + (fold_sign_changed_comparison): Likewise. + (fold_unary): Likewise. + * langhooks-def.h (LANG_HOOKS_GET_SUBRANGE_BOUNDS): Define. + (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add LANG_HOOKS_GET_SUBRANGE_BOUNDS. + * langhooks.h (lang_hooks_for_types): Add get_subrange_bounds. + * tree.c (subrange_type_for_debug_p): New predicate based on the + former is_subrange_type. + * tree.h (subrange_type_for_debug_p): Declare. + * tree-chrec.c (avoid_arithmetics_in_type_p): Delete. + (convert_affine_scev): Remove call to above function. + (chrec_convert_aggressive): Likewise. + * tree-ssa.c (useless_type_conversion_p_1): Do not specifically return + false for conversions involving subtypes. + * tree-vrp.c (vrp_val_max): Do not special-case subtypes. + (vrp_val_min): Likewise. + (needs_overflow_infinity): Likewise. + (extract_range_from_unary_expr): Likewise. + +2009-05-15 Paolo Bonzini <bonzini@gnu.org> + + * config/frv/frv.h: Clean up references to GO_IF_LEGITIMATE_ADDRESS. + * config/frv/frv.c: Likewise. + * config/s390/s390.c: Likewise. + * config/sparc/sparc.h: Likewise. + * config/i386/i386.h: Likewise. + * config/i386/i386.c: Likewise. + * config/crx/crx.c: Likewise. + * config/m68hc11/m68hc11.h: Likewise. + * config/iq2000/iq2000.c: Likewise. + * config/mn10300/mn10300.h: Likewise. + * config/mn10300/mn10300.c: Likewise. + * config/m68k/m68k.c: Likewise. + * config/rs6000/rs6000.c: Likewise. + * config/rs6000/xcoff.h: Likewise. + * config/rs6000/linux64.h: Likewise. + * config/rs6000/sysv4.h: Likewise. + * config/score/score3.c: Likewise. + * config/score/score7.c: Likewise. + * config/score/score.c: Likewise. + * config/arm/arm.md: Likewise. + * config/mips/mips.c: Likewise. + * config/mips/mips.md: Likewise. + * config/bfin/bfin.h: Likewise. + * config/pa/pa.c: Likewise. + * config/pa/constraints.md: Likewise. + + * config/pdp11/pdp11-protos.h (legitimate_address_p): Delete. + * config/pdp11/pdp11.c (legitimate_address_p): Delete. + * config/pdp11/pdp11.h: Use memory_address_p instead. + +2009-05-14 Ian Lance Taylor <iant@google.com> + + * passes.c (finish_optimization_passes): Change i to int. + * plugin.c (plugins_active_p): Change event to int. + (dump_active_plugins): Likewise. + * reginfo.c (invalid_mode_change_p): Change to to unsigned int. + Add cast. + * tree.c (tree_range_check_failed): Change c to unsigned int. + (omp_clause_range_check_failed): Likewise. + (build_common_builtin_nodes): Change mode to int. Add cast. + * config/ia64/ia64.c (is_emitted): Change r to unsigned int. + (ia64_hard_regno_rename_ok, ia64_eh_uses): Likewise. + + * c-typeck.c (build_unary_op): If -Wc++-compat, warn about using + ++ or -- with a variable of enum type. + +2009-05-14 Steven Bosscher <steven@gcc.gnu.org> + + PR driver/40144 + * opts.c (common_handle_option): Add OPT_fcse_skip_blocks as a no-op. + +2009-05-14 Steven Bosscher <steven@gcc.gnu.org> + + * store-motion.c: Do not include params.h + * Makefile.in: Fix dependencies for various files. + +2009-05-14 Steven Bosscher <steven@gcc.gnu.org> + + * auto-inc-dec.c: Fix pass description, remove apparent + accidental duplication. + +2009-05-14 H.J. Lu <hongjiu.lu@intel.com> + + PR middle-end/40147 + * ipa-utils.h (memory_identifier_string): Moved to ... + * tree.h (memory_identifier_string): Here. Add GTY(()). + +2009-05-14 Paolo Bonzini <bonzini@gnu.org> + + * doc/tm.texi (TARGET_LEGITIMATE_ADDRESS_P): Refer mainly to this + in the former documentation of... + (GO_IF_LEGITIMATE_ADDRESS): ... this. + * ira-conflicts.c (get_dup_num): Use address_operand. + * targhooks.c (default_legitimate_address_p): New. + * targhooks.h (default_legitimate_address_p): New. + * reload.c (strict_memory_address_p) [!GO_IF_LEGITIMATE_ADDRESS]: + Call hook. + * recog.c (memory_address_p) [!GO_IF_LEGITIMATE_ADDRESS]: Call hook. + * target.h (struct target): Add legitimate_address_p. + * target-def.h (TARGET_LEGITIMATE_ADDRESS_P): New. + (TARGET_INITIALIZER): Include it. + + * config/alpha/alpha.h (GO_IF_LEGITIMATE_ADDRESS): Delete. + * config/alpha/alpha-protos.h (alpha_legitimate_address_p): Remove. + * config/alpha/alpha.c (alpha_legitimate_address_p): Make static. + (TARGET_LEGITIMATE_ADDRESS_P): New. + + * config/frv/frv.h (GO_IF_LEGITIMATE_ADDRESS): Delete. + (REG_OK_STRICT_P): Delete. + * config/frv/frv-protos.h (frv_legitimate_address_p): Rename to... + (frv_legitimate_address_p_1): ... this. + * config/frv/frv.c (frv_legitimate_address_p): Forward to... + (frv_legitimate_address_p_1): ... the renamed old + frv_legitimate_address_p. + * config/frv/predicates.md: Adjust calls to frv_legitimate_address_p. + (TARGET_LEGITIMATE_ADDRESS_P): New. + + * config/s390/s390.h (GO_IF_LEGITIMATE_ADDRESS): Delete. + * config/s390/s390-protos.h (legitimate_address_p): Remove. + * config/s390/s390.c (legitimate_address_p): Rename to... + (s390_legitimate_address_p): ... this, make static. + (legitimize_address): Adjust call. + (TARGET_LEGITIMATE_ADDRESS_P): New. + * config/s390/constraints.md ("e"): Call strict_memory_address_p. + + * config/m32c/m32c.h (GO_IF_LEGITIMATE_ADDRESS): Delete. + * config/m32c/m32c-protos.h (m32c_legitimate_address_p): Remove. + * config/m32c/m32c.c (m32c_legitimate_address_p): Make static. + (TARGET_LEGITIMATE_ADDRESS_P): New. + + * config/spu/spu.h (GO_IF_LEGITIMATE_ADDRESS): Delete. + * config/spu/spu-protos.h (spu_legitimate_address): Remove. + * config/spu/spu.c (spu_legitimate_address): Rename to... + (spu_legitimate_address_p): ... this, make static. + (TARGET_LEGITIMATE_ADDRESS_P): New. + + * config/sparc/sparc.h (GO_IF_LEGITIMATE_ADDRESS): Delete. + * config/sparc/sparc-protos.h (legitimate_address_p): Remove. + * config/sparc/sparc.c (legitimate_address_p): Rename to... + (sparc_legitimate_address_p): ... this, make static and return bool. + (legitimize_address): Adjust call. + (TARGET_LEGITIMATE_ADDRESS_P): New. + + * config/i386/i386.h (GO_IF_LEGITIMATE_ADDRESS): Delete. + * config/i386/i386-protos.h (legitimate_address_p): Remove. + * config/i386/i386.c (legitimate_address_p): Rename to... + (ix86_legitimate_address_p): ... this, make static. + (constant_address_p): Move after it, adjust call. + (TARGET_LEGITIMATE_ADDRESS_P): New. + + * config/avr/avr.h (GO_IF_LEGITIMATE_ADDRESS): Delete. + * config/avr/avr-protos.h (legitimate_address_p): Remove. + * config/avr/avr.c (legitimate_address_p): Rename to... + (avr_legitimate_address_p): ... this, make static. + (legitimize_address): Adjust call. + (TARGET_LEGITIMATE_ADDRESS_P): New. + + * config/crx/crx.h (GO_IF_LEGITIMATE_ADDRESS): Delete. + * config/crx/crx-protos.h (crx_legitimate_address_p): Remove. + * config/crx/crx.c (crx_legitimate_address_p): Make static. + (TARGET_LEGITIMATE_ADDRESS_P): New. + + * config/xtensa/xtensa.h (GO_IF_LEGITIMATE_ADDRESS): Delete. + * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): Remove. + * config/xtensa/xtensa.c (xtensa_legitimate_address_p): Make static. + (TARGET_LEGITIMATE_ADDRESS_P): New. + + * config/stormy16/stormy16.h (GO_IF_LEGITIMATE_ADDRESS): Delete. + * config/stormy16/stormy16-protos.h (xstormy16_legitimate_address_p): + Remove. + * config/stormy16/stormy16.c (xstormy16_legitimate_address_p): + Make static. + (TARGET_LEGITIMATE_ADDRESS_P): New. + + * config/m68hc11/m68hc11.h (GO_IF_LEGITIMATE_ADDRESS): Delete. + * config/m68hc11/m68hc11-protos.h (m68hc11_go_if_legitimate_address): + Remove. + * config/m68hc11/m68hc11.c (m68hc11_go_if_legitimate_address): + Rename to... + (m68hc11_legitimate_address_p): ... this, make static. + (go_if_legitimate_address_internal): Rename to... + (m68hc11_legitimate_address_p_1): ... this. + (legitimize_address): Adjust call. + (TARGET_LEGITIMATE_ADDRESS_P): New. + + * config/iq2000/iq2000.h (GO_IF_LEGITIMATE_ADDRESS): Delete. + * config/iq2000/iq2000-protos.h (iq2000_legitimate_address_p): Remove. + * config/iq2000/iq2000.c (iq2000_legitimate_address_p): Make static. + (TARGET_LEGITIMATE_ADDRESS_P): New. + + * config/mn10300/mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Delete. + * config/mn10300/mn10300-protos.h (legitimate_address_p): Remove. + * config/mn10300/mn10300.c (legitimate_address_p): Rename to... + (mn10300_legitimate_address_p): ... this, make static. + (TARGET_LEGITIMATE_ADDRESS_P): New. + + * config/m68k/m68k.h (GO_IF_LEGITIMATE_ADDRESS): Delete. + * config/m68k/m68k-protos.h (m68k_legitimate_address_p): Remove. + * config/m68k/m68k.c (m68k_legitimate_address_p): Make static. + (TARGET_LEGITIMATE_ADDRESS_P): New. + + * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Delete. + (REG_OK_STRICT_FLAG, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P): Delete. + (INT_REG_OK_FOR_BASE_P, INT_REG_OK_FOR_INDEX_P): Move above. + * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Delete. + * config/rs6000/rs6000-protos.h (rs6000_legitimate_address): Remove. + * config/rs6000/rs6000.c (rs6000_legitimate_address): Rename to... + (rs6000_legitimate_address_p): ... this, make static. + (TARGET_LEGITIMATE_ADDRESS_P): New. + (REG_MODE_OK_FOR_BASE_P): Delete. + (rs6000_legitimize_reload_address): Use INT_REG_OK_FOR_BASE_P. + + * config/picochip/picochip.h (GO_IF_LEGITIMATE_ADDRESS): Delete. + * config/picochip/picochip-protos.h (picochip_legitimate_address_p): + Delete. + * config/picochip/picochip.c (picochip_legitimate_address_p): Make + static, adjust types. + (TARGET_LEGITIMATE_ADDRESS_P): New. + + * config/score/score.h (GO_IF_LEGITIMATE_ADDRESS): Delete. + * config/score/score.c (score_address_p): Rename to... + (score_legitimate_address_p): ... this. + (TARGET_LEGITIMATE_ADDRESS_P): New. + * config/score/score3.c (score3_address_p): Rename to... + (score3_legitimate_address_p): ... this. + * config/score/score7.c (score7_address_p): Rename to... + (score7_legitimate_address_p): ... this. + + * config/arm/arm.h (ARM_GO_IF_LEGITIMATE_ADDRESS, + THUMB2_GO_IF_LEGITIMATE_ADDRESS, THUMB1_GO_IF_LEGITIMATE_ADDRESS, + GO_IF_LEGITIMATE_ADDRESS): Delete. + * config/arm/arm-protos.h (thumb1_legitimate_address_p, + thumb2_legitimate_address_p): Delete. + (arm_legitimate_address_p): Rename to... + (arm_legitimate_address_outer_p): ... this. + * config/arm/constraints.md ("Uq"): Adjust call. + * config/arm/predicates.md (arm_extendqisi_mem_op): Likewise. + * config/arm/arm.c (arm_legitimate_address_p): New, rename old one + to... + (arm_legitimate_address_outer_p): ... this. + (thumb1_legitimate_address_p, thumb2_legitimate_address_p): Make + static. + (TARGET_LEGITIMATE_ADDRESS_P): New. + + * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete. + * config/mips/mips-protos.h (mips_legitimate_address_p): Remove. + * config/mips/mips.c (mips_legitimate_address_p): ... Make static. + (TARGET_LEGITIMATE_ADDRESS_P): New. + + * config/vax/vax.h (GO_IF_LEGITIMATE_ADDRESS): Delete. + * config/vax/vax-protos.h (legitimate_address_p): Remove. + * config/vax/vax.c (legitimate_address_p): Rename to... + (vax_legitimate_address_p): ... this, make static. + (TARGET_LEGITIMATE_ADDRESS_P): New. + + * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Delete. + * config/h8300/h8300-protos.h (h8300_legitimate_address_p): Remove. + * config/h8300/h8300.c (h8300_legitimate_address_p): ... Make static. + (TARGET_LEGITIMATE_ADDRESS_P): New. + + * config/mmix/mmix.h (GO_IF_LEGITIMATE_ADDRESS): Delete. + * config/mmix/mmix-protos.h (mmix_legitimize_address): Remove. + * config/mmix/mmix.c (mmix_legitimate_address): Rename to... + (mmix_legitimate_address_p): ... this, make static. + (TARGET_LEGITIMATE_ADDRESS_P): New. + + * config/bfin/bfin.h (GO_IF_LEGITIMATE_ADDRESS): Delete. + * config/bfin/bfin-protos.h (bfin_legitimate_address_p): Remove. + * config/bfin/bfin.c (bfin_legitimate_address_p): ... Make static. + (TARGET_LEGITIMATE_ADDRESS_P): New. + +2009-05-14 Paolo Bonzini <bonzini@gnu.org> + + * config/arm/arm.h (PROMOTE_FUNCTION_MODE): Remove handling + of MODE_COMPLEX_INT. + +2009-05-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> + + * config/alpha/alpha.c (alpha_initialize_trampoline): Change 0 to + LCT_NORMAL in function call. + * mips-tdump.c (print_file_desc): Add cast to enum type. + * mips-tfile.c (add_ext_symbol): Add casts to enum types. + (mark_stabs): Add casts to enum types. + (parse_stabs_common): Add casts to enum types. + +2009-05-13 Adam Nemet <anemet@caviumnetworks.com> + + * config/mips/mips.c (mips_print_operand) <REG, MEM, default>: + Check for invalid values of LETTER. + +2009-05-13 Taras Glek <tglek@mozilla.com> + + * attribs.c (register_attribute): moved out attribute registration + into register_attribute. + * doc/plugins.texi: Documented register_attribute and + PLUGIN_ATTRIBUTES. + * gcc-plugin.h: Added forward decl for register_attribute. + * gcc-plugin.h (plugins_event): Added PLUGIN_ATTRIBUTES. + * plugin.c (register_callback, invoke_plugin_callbacks): Added + PLUGIN_ATTRIBUTES boilerplate. + +2009-05-14 Dave Korn <dave.korn.cygwin@gmail.com> + + * config/i386/msformat-c.c (ms_printf_length_specs): Use enumeration + values even in sentinel and empty entries. + (ms_printf_flag_specs): Likewise. + (ms_scanf_flag_specs): Likewise. + (ms_strftime_flag_specs): Likewise. + (ms_print_char_table): Likewise. + (ms_scan_char_table): Likewise. + (ms_time_char_table): Likewise. + +2009-05-13 Doug Kwan <dougkwan@google.com> + + * tree-ssa-sccvn.c (compare_ops): Stabilize qsort. + +2009-05-13 Adam Nemet <anemet@caviumnetworks.com> + + * config/mips/mips.md (store): Add attributes for QI and HI. + Update comment. + (truncdisi2, truncdihi2, truncdiqi2): Merge these into ... + (truncdi<mode>2): ... this new pattern. + +2009-05-13 Brad Hards <bradh@kde.org> + + * Makefile.in (TEXI_GCCINT_FILES): Add plugins.texi. + +2009-05-14 Jakub Jelinek <jakub@redhat.com> + Ben Elliston <bje@au.ibm.com> + + PR middle-end/40035 + * dse.c (check_mem_read_rtx): Guard against width == -1. + +2009-05-13 Michael Matz <matz@suse.de> + + PR middle-end/39976 + * tree-outof-ssa.c (maybe_renumber_stmts_bb): New function. + (trivially_conflicts_p): New function. + (insert_backedge_copies): Use it. + +2009-05-13 Janis Johnson <janis187@us.ibm.com> + + * c-pragma.c (enum pragma_switch_t): Prefix constants with PRAGMA_. + (handle_stdc_pragma): Use new enum constant names. + (handle_pragma_float_const_decimal64): Ditto. + +2009-05-13 Ian Lance Taylor <iant@google.com> + + * Makefile.in (build/gencheck.o): Depend upon all-tree.def, not + tree.def. + +2009-05-13 Nathan Sidwell <nathan@codesourcery.com> + + * config/m68k/t-uclinux (M68K_MLIB_CPU): Check for FL_UCLINUX. + * config/m68k/m68k-devices.def: Add FL_UCLINUX to 68020 and 54455 + multilibs. + * config/m68k/m68k.h (FL_UCLINUX): Define. + +2009-05-13 Jan Hubicka <jh@suse.cz> + + * options.c (gfc_post_options): -fwhole-program imply -fwhole-file. + +2009-05-12 Kaz Kojima <kkojima@gcc.gnu.org> + + * config/sh/sh.h (OVERRIDE_OPTIONS): Clear flag_schedule_insns + unless -fschedule-insns is specified. + +2009-05-12 Kaz Kojima <kkojima@gcc.gnu.org> + + PR target/39561 + * config/sh/sh.h (OPTIMIZATION_OPTIONS): Don't set + TARGET_EXPAND_CBRANCHDI4. + * config/sh/sh.md (cbranchdi4): Don't check TARGET_EXPAND_CBRANCHDI4. + * config/sh/sh.opt (mexpand-cbranchdi): Remove. + (cmpeqdi): Fix comment. + +2009-05-12 Kaz Kojima <kkojima@gcc.gnu.org> + + * config/sh/sh-protos.h (sh_legitimate_index_p): Declare. + (sh_legitimate_address_p): Likewise. + * config/sh/sh.c (sh_legitimate_index_p): New. + (sh_legitimate_address_p): Likewise. + * config/sh/sh.h (REG_OK_FOR_BASE_P): Add STRICT parameter. + (REG_OK_FOR_INDEX_P, SUBREG_OK_FOR_INDEX_P): Likewise. + (MODE_DISP_OK_4, MODE_DISP_OK_8): Remove. + (MAYBE_BASE_REGISTER_RTX_P): New macro. + (MAYBE_INDEX_REGISTER_RTX_P): Likewise. + (BASE_REGISTER_RTX_P): Use MAYBE_BASE_REGISTER_RTX_P. + (INDEX_REGISTER_RTX_P): Use MAYBE_INDEX_REGISTER_RTX_P. + (GO_IF_LEGITIMATE_INDEX): Use sh_legitimate_index_p. + (GO_IF_LEGITIMATE_ADDRESS): Use sh_legitimate_address_p. + +2009-05-12 Jan Hubicka <jh@suse.cz> + + * tree-inline.c (estimate_operator_cost): Add operands; + when division happens by constant, it is cheap. + (estimate_num_insns): Loads and stores are not having cost of 0; + EH magic stuff is cheap; when computing runtime cost of switch, + use log2 base of amount of its cases; builtin_expect has cost of 0; + compute cost for moving return value of call. + (init_inline_once): Initialize time_based flags. + * tree-inline.h (eni_weights_d): Add time_based flag. + +2009-05-12 Paolo Bonzini <bonzini@gnu.org> + + * df-core.c: Update head documentation. + +2009-05-12 Michael Meissner <meissner@linux.vnet.ibm.com> + + PR bootstrap/40118 + * rs6000.c (rs6000_generate_compare): Use op1b instead of + shadowing exisiting variable op1. + +2009-05-12 Uros Bizjak <ubizjak@gmail.com> + + PR target/37179 + * config/i386/driver-i386.c (processor_signatures): New enum. + (SIG_GEODE): Move from vendor_signatures to processor_signatures. + (host_detect_local_cpu): For SIG_AMD vendor, check for SIG_GEODE + processor signature to detect geode processor. + +2009-05-12 Paolo Bonzini <bonzini@gnu.org> + + Revert: + + 2009-05-12 Paolo Bonzini <bonzini@gnu.org> + + * optabs.c (prepare_cmp_insn): Temporarily disable test that + causes spurious differences between trunk and cond-optab branch. + +2009-05-12 Paolo Bonzini <bonzini@gnu.org> + + * dojump.c (compare_from_rtx): Delete. + * expmed.c (emit_store_flag): Only try cstore_optab. Canonicalize + any MODE_CC mode to the cstorecc4 pattern. Use prepare_operand, fail + if the comparison does not satisfy the predicate; test predicates for + operands 2 and 3 of a cstore pattern. Don't try cstore optab + further if one existing pattern fails. + * expr.h (compare_from_rtx): Delete. + (prepare_operand): Declare it. + * optabs.c: Change "lib call" to "libcall" throughout. + (bcc_gen_fctn, setcc_gen_code, trap_rtx, + HAVE_conditional_trap, emit_cmp_insn): Delete. + (can_compare_p): Delete cmp_optab case. + (prepare_float_lib_cmp): Return an rtx and a machine mode. + Accept other parameters by value. + (prepare_operand): Make non-static. + (prepare_cmp_insn): Return an rtx and a machine mode. Accept + other parameters by value. Try to widen operands here based on + an optab_methods argument and looking at cbranch_optab. + (emit_cmp_and_jump_insn_1): Accept test and mode, remove widening + loop. Use cbranch_optab directly. + (emit_cmp_and_jump_insns): Fix comment. Adjust call to + prepare_cmp_insn and emit_cmp_and_jump_insn_1, remove obsolete + assertion. + (emit_conditional_move, emit_conditional_add): Inline what's needed + of compare_from_rtx, using new prepare_cmp_insn for the rest. + (init_optabs): Init cmp_optab with UNKNOWN, cbranch_optab + with COMPARE. Move cmov_optab and cstore_optab above + with cbranch_optab, move cmp_optab down with ucmp_optab, + remove tst_otpab. Do not initialize trap_rtx. + (gen_cond_trap): Do it here. Use ctrap_optab. Test predicate + for trap code. Do not check HAVE_conditional_trap. Use + prepare_cmp_insn. Accept no predicate for operand 3. + * optabs.h (OTI_cmp): Mark as used only for libcalls. + (OTI_ctrap, ctrap_optab): New. + (tst_optab): Delete. + (bcc_gen_fctn, setcc_gen_code, emit_cmp_insn): Delete. + * ifcvt.c (find_if_header): Replace HAVE_conditional_trap + with lookup of ctrap_optab. + * genopinit.c (cmp_optab, tst_optab, bcc_gen_fctn, setcc_gen_code): + Delete. + (ctrap_optab): New. + + * combine.c (combine_simplify_rtx, simplify_set): Do not + special case comparing against zero for cc0 machines. + * simplify-rtx.c (simplify_binary_operation_1): Never remove + COMPARE on cc0 machines. + (simplify_relational_operation): Return a new expression when + a COMPARE could be removed. + * final.c (final_scan_insn): Compare cc_status values + against LHS of a (compare FOO (const_int 0)) cc0 source. + Also check if cc_status.value is the full compare. + + * doc/md.texi (bCC, sCC, tstMM, cmpMM): Delete. + (cstoreMM4): Document. + (conditional_trap): Document ctrapMM4 instead. + (sync_compare_and_swapMM): Refer to cbranchcc4. + (Dependent Patterns): Eliminate obsolete information referring to + the old jump optimization phase. + (Canonicalization): Include cbranchcc4 case, omit canonicalization + of compares with 0 on cc0 machines. + (Jump Patterns): Refer to MODE_CC jump patterns preferably, + avoiding references to cc0. Remove text about storing operands + in cmpMM. + * doc/tm.texi (Condition Codes): Include blurb on different + condition code representations, separate into subsections for + CC0, MODE_CC and conditional execution. + + * config/alpha/alpha-protos.h (alpha_emit_conditional_branch, + alpha_emit_setcc): Accept operands and a machine mode. + * config/alpha/alpha.c (alpha_emit_conditional_branch): + Get code/op0/op1 from operands, use machine mode argument + instead of alpha_compare.fp_p. Emit the branch here. + (alpha_emit_setcc): Likewise, and return boolean. + (alpha_emit_conditional_move): Likewise. Assert that + cmp_op_mode == cmp_mode, and simplify accordingly. + * config/alpha/alpha.h (struct alpha_compare, alpha_compare): Delete. + * config/alpha/alpha.md (cmpdf, cmptf, cmpdi, bCC, sCC): Delete. + (cbranchdf4, cbranchtf4, cbranchdi4, cstoredf4, cstoretf4,cstoredi4): + Delete. + (stack probe test): Use cbranchdi4. + * config/alpha/predicates.md (alpha_cbranch_operator): New. + + * config/arc/arc.c (gen_compare_reg): Do not emit cmp. + * config/arc/arc.h (movsicc, movsfcc): Use it. + (movdicc, *movdicc_insn, movdfcc, *movdfcc_insn): Remove. + (cbranchsi4, cstoresi4): New. + (cmpsi, bCC and sCC expanders): Remove. + + * config/arm/arm.c (arm_compare_op0, arm_compare_op1): Delete. + * config/arm/arm.h (arm_compare_op0, arm_compare_op1): Delete. + * config/arm/predicates.md (arm_comparison_operator): Only include + floating-point operators if there is a hardware floating-point unit. + * config/arm/arm.md (cbranchsi4, cstoresi4): Enable for TARGET_32BIT, + deferring to cbranch_cc and cstore_cc respectively. + (cbranchsf4, cbranchdf4, cbranchdi4, cstoresf4, cstoredf4, cstoredi4, + cbranch_cc, cstore_cc): New. + (movsicc, movsfcc, movdfcc): Do not use arm_compare_op0 and + arm_compare_op1. + (bCC, sCC, cmpsi, cmpsf, cmpdf, cmpdi): Delete. + + * config/avr/avr-protos.h (out_tstsi, out_tsthi): Adjust prototype. + * config/avr/avr.c (out_tstsi, out_tsthi): Get the tested operand + as an argument. + (adjust_insn_length): Adjust calls. + (avr_reorg): Handle (compare (foo) (const_int 0)). + * config/avr/avr.md (tstqi, tsthi, tstsi): Remove. + (*negated_tstqi, *negated_tsthi, *negated_tstsi): Unmacroize. + (*reversed_tsthi, *reversed_tstsi): Add a scratch for simplicity. + (cmpqi, cmphi, cmpsi): Prepend asterisk, fuse tst[qhs]i here. + (bCC): Remove. + (cbranchqi4, cbranchhi4, cbranchsi4): New. + (tst -> sbrc/sbrs peephole2, cpse peephole): Wrap RHS with COMPARE. + + * config/bfin/bfin.md (cmpbi, cmpsi, bCC, sCC): Delete. + (cbranchsi4, cstorebi4, cstoresi4): New. + (movbisi): This insn is duplicate, split it to zero_extend. + * config/bfin/bfin.c (bfin_compare_op0, bfin_compare_op1): Delete + (bfin_gen_compare): Do not use them. Emit VOIDmode SET, not BImode. + (bfin_optimize_loop): Use cbranch expander. + * config/bfin/bfin.h (bfin_compare_op0, bfin_compare_op1): Delete. + * config/bfin/predicates.md (bfin_cbranch_operator): Rename to... + (bfin_bimode_comparison_operator): ... this. + (bfin_direct_comparison_operator): New. + + * config/cris/cris.c (cris_normal_notice_update_cc): Look + inside (compare FOO (const_int 0)). + (cris_rtx_costs): Handle ZERO_EXTRACT. + * config/cris/cris.md (tstdi, tst<mode>, cmpdi): Delete. + (*tstdi_non_v32): Fold in *cmpdi_non_v32. + (*tstdi_v32): Delete. + (*cmpdi_non_v32): Add M alternative for operand 1. + (cmpsi, cmp<mode>): Make private. + (*tstsi, *tst<mode>_cmp, *tst<mode>_non_cmp, *btst): Wrap LHS + with COMPARE. + (cbranch<mode>4, cbranchdi4, cstore<mode>4): New. + + * config/crx/crx.md (cstore<mode>4, cbranchcc4): New. + (cmp<mode>, bCOND_internal, b<code>, s<code>): Delete. + (cbranch<mode>4, sCOND_internal): Use ordered_comparison_operator. + (cc_reg_operand): New. + (any_cond): Delete. + * config/crx/crx.c (crx_compare_op0, crx_compare_op1, + crx_expand_compare, crx_expand_branch, crx_expand_scond): Delete. + * config/crx/crx.h (crx_compare_op0, crx_compare_op1): Delete. + * config/crx/crx-protos.h (crx_expand_compare, crx_expand_branch, + crx_expand_scond): Delete. + + * config/fr30/fr30.md (cmp<mode>, bCC): Delete. + (cbranchsi4): New. + * config/fr30/fr30.c (fr30_compare_op0, fr30_compare_op1): Delete + * config/fr30/fr30.h (fr30_compare_op0, fr30_compare_op1): Delete. + + * config/frv/frv.md (cbranchsi4, cbranchsf4, cbranchdf4, + cstoresi4, cstoresf4, cstoredf4): New. + (cmpdi, cmpsi, cmpsf, cmpdf, bCC, sCC): Remove. + * config/frv/frv-protos.h (frv_emit_cbranch, frv_emit_scc): + Receive the entire operands array. + * config/frv/frv.h (frv_compare_op0, frv_compare_op1): Delete. + * config/frv/frv.c (frv_compare_op0, frv_compare_op1): Delete. + * config/frv/frv-protos.h (frv_emit_cbranch, frv_emit_scc): + Get test/op0/op1 from the operands array. + (frv_emit_cond_move): Get test/op0/op1 from the test_rtx. + + * config/h8300/h8300-protos.h (h8300_expand_branch): Accept operands. + (h8300_expand_store): New. + * config/h8300/h8300.c (h8300_rtx_costs): Handle (compare FOO + (const_int 0)). + (h8300_expand_branch): Emit compare here. Adjust for new arguments. + (h8300_expand_store): New. + * config/h8300/h8300.md (btst combine patterns): Wrap with COMPARE + or do not try to produce (set (cc0) REG). + (peepholes): Wrap arguments with COMPARE. Add a peephole to + change a compare into a move to a scratch register. Disable some + peepholes when comparing with zero. + (tstsi, tsthi, tstsi, cmpqi): Make private. + (cmphi): Delete. + (bCC, sCC): Delete. + (cbranchqi4, cbranchhi4, cbranchsi4, cstoreqi4, cstorehi4, + cstoresi4): New. + + * config/i386/i386.c (ix86_expand_int_movcc, ix86_expand_int_addcc, + ix86_expand_fp_movcc): Set ix86_compare_op0 and ix86_compare_op1. + (ix86_emit_i387_log1p): Use gen_cbranchxf4. + (ix86_emit_i387_log1p): Use cbranchxf2. + (ix86_expand_setcc): Return void. + * config/i386/i386-protos.h (ix86_expand_setcc): Return void. + * config/i386/i386.md (cmpti, cmpdi, cmpsi, cmphi, cmpqi, cmpxf, + cmp<MODEF>, cmpcc): Remove. + (cbranchti4, cbranchdi4, cbranchsi4, cbranchhi4, cbranchqi4, + cbranchxf4, cbranch<MODEF>4, cbranchcc4, cstoredi4, cstoresi4, + cstorehi4, cstoreqi4, cstorexf4, cstore<MODEF>4, cstorecc): New. + (sCC and bCC expanders): Remove. + (stack_protect_test): Use cbranchcc4. + + * config/ia64/ia64-protos.h (ia64_compare_op0, ia64_compare_op1): + Delete. + (ia64_expand_compare): Accept three rtx by reference and return void. + * config/ia64/ia64.c (ia64_compare_op0, ia64_compare_op1): Delete. + (ia64_expand_compare): Replace op0/op1 with *op0/*op1. Get code + from *expr. Update *expr with the BImode comparison to do. + * config/ia64/ia64.md (cmpbi, cmpsi, cmpdi, cmpsf, cmpdf, cmpxf, + cmptf, bCC, sCC, conditional_trap): Delete. + (cbranchbi4, cbranchsi4, cbranchdi4, cbranchsf4, cbranchdf4, + cbranchxf4, cbranchtf4, cstorebi4, cstoresi4, cstoredi4, cstoresf4, + cstoredf4, cstorexf4, cstoretf4, ctrapbi4, ctrapsi4, ctrapdi4, + ctrapsf4, ctrapdf4, ctrapxf4, ctraptf4): New. + * config/ia64/predicates.md (ia64_cbranch_operator): New. + + * config/iq2000/iq2000-protos.h (gen_conditional_branch): Change + type of last argument. + * config/iq2000/iq2000.c (branch_cmp, branch_type): Remove. + (gen_conditional_branch): Get code/cmp0/cmp1 from operands, + use machine mode argument instead of branch_type. Remove dead + code for floating-point comparisons. + * config/iq2000/iq2000.h (branch_cmp, branch_type): Remove. + * config/iq2000/iq2000.md (cmpsi, cmpdi, cmpsf, cmpdf, tstsi, bCC): + Remove. + (cbranchsi4, cstoresi4): New. + * config/iq2000/predicates.md (reg_or_const_operand): New. + + * config/m32c/m32c.md (cbranch splitter): Use match_op_dup. + * config/m32c/m32c.md (any_cond, gl_cond): Delete. + (b<code>_op): Rewrite to... + (bcc_op): ... this, using match_operator. + (s<code>_op): Rewrite to... + (scc_op): ... this, using match_operator. + (s<code>_24_op): Rewrite to... + (scc_op_24): ... this, using match_operator. + (s<code>_<mode>): Rewrite to... + (cstore<mode>4): ... this, using match_operator. + (s<code>_<mode>_24): Rewrite to... + (cstore<mode>4_24): ... this, using match_operator. + * config/m32c/m32c-protos.h (m32c_cmp_flg_0, m32c_pend_compare, + m32c_unpend_compare, m32c_expand_scc): Delete. + * config/m32c/m32c.c (compare_op0, compare_op1, m32c_cmp_flg_0, + m32c_pend_compare, m32c_unpend_compare, m32c_expand_scc): Delete. + (m32c_expand_movcc): Change NE to EQ if necessary. + (m32c_init_libfuncs): Modify cstore optab instead of setcc_gen_code. + + * config/m32r/m32r-protos.h (gen_cond_store): New. + * config/m32r/m32r.c (m32r_compare_op0, m32r_compare_op1): Delete. + (gen_cond_store): New, from sCC patterns. + (m32r_expand_block_move): Use cbranchsi4. + * config/m32r/m32r.h (m32r_compare_op0, m32r_compare_op1): Delete. + * config/m32r/m32r.md (cmpsi, bCC, sCC): Delete. + (cbranchsi4, cstoresi4): New. + + * config/m68hc11/m68hc11.c (m68hc11_compare_op0, m68hc11_compare_op1): + Delete. + (m68hc11_rtx_costs_1, m68hc11_rtx_costs): Handle ZERO_EXTRACT. + (m68hc11_notice_update_cc): Look into a compare with 0. + * config/m68hc11/m68hc11.h (m68hc11_compare_op0, m68hc11_compare_op1): + Delete. + * config/m68hc11/m68hc11.md (tstsi, tsthi, tstqi, cmpsi, + cmphi, cmpqi, bCC): Delete. + (cbranchsi4, cbranchhi4, cbranchqi4): New. + (tstqi_1, tstqi_z_used, tstqi_1, bitcmpqi, bitcmpqi_z_used, + bitcmpqi_12, bitcmphi, various splits and peephole2s): Wrap cc0<-reg + sets with COMPARE. + + * config/m68k/predicates.md (m68k_cstore_comparison_operator, + const0_operand, const1_operand, m68k_subword_comparison_operand): New. + * config/m68k/constraints.md (H): New. + * config/m68k/m68k.md (tstdi): Remove define_expand, use name for + the define_insn below. + (tstsi, tsthi, tst<FP:mode>, cmphi, cmpqi, cmp<FP:mode>): Delete. + (*tstsi_internal_68020_cf, *tstsi_internal, *tsthi_internal, + *tstqi_internal, tst<mode>_6881, tst<mode>_cf, many unnamed + patterns): Wrap RHS with COMPARE. + (tst<FP>_68881, tst<FP>_cf): Use const0_operand. + (*cmpdi_internal): Name this pattern. + (cmpdi): Change to define_insn. + (cbranchdi4, cstoredi4, cbranchsi4, cstoresi4, cbranchhi4, cstorehi4, + cbranchqi4, cstoreqi4, cbranch<FP:mode>4, cstore<FP:mode>4): New. + (scc0_di, scc0_di_5200, scc_di): Use the ordered_comparison_operator + predicate. + (seq, sne, sgt, sgtu, slt, sltu, sge, sgeu, sle, sleu, sordered, + sunordered, suneq, sunge, sungt, sunle, sunlt, sltgt): Delete + (conditional_trap): Change to... + (ctrapdi4, ctrapsi4, ctraphi4, ctrapqi4): ... these. + (*conditional_trap): Use the ordered_comparison_operator and + const1_operand predicates. + * config/m68k/m68k.c (m68k_last_compare_had_fp_operands): Delete. + (m68k_expand_prologue): Use ctrapsi4 instead of cmpsi+conditional_trap. + (m68k_rtx_costs): Look for ZERO_EXTRACT in a COMPARE. + * config/m68k/m68k.h (m68k_last_compare_had_fp_operands): Delete. + + * config/mcore/mcore-protos.h (arch_compare_op0, arch_compare_op1, + mcore_modify_comparison, mcore_gen_compare_reg): Remove. + (mcore_gen_compare): New. + * config/mcore/mcore.c (arch_compare_op0, arch_compare_op1): Delete. + (mcore_modify_comparison, mcore_gen_compare_reg): Fold into... + (mcore_gen_compare): ... this. + * config/mcore/mcore.md (cmpsi, bCC, sCC): Remove. + (cbranchsi4, cstoresi4): New, using mcore_gen_compare. + (stack probe pattern): Use cbranchsi4. + + * config/mips/predicates.md (mips_cstore_operator): New. + * config/mips/mips-ps-3d.md (movv2sfcc): Do not use cmp_operands. + * config/mips/mips.md (any_cond): Delete. + (conditional_trap): Rename to ctrap<GPR:mode>4. Adjust predicates, + always succeed. + (fixuns_truncdfsi2, fixuns_truncdfdi2, fixuns_truncsfsi2, + fixuns_truncsfdi2): Use cbranch patterns. + (cmp<GPR:mode>, cmp<SCALARF:mode>): Delete. + (b<code>): Change to cbranch<GPR:mode>4 and cbranch<SCALARF:mode>4. + Adjust call to mips_expand_conditional_branch. + (seq, sne, slt<u>, sle<u>, sgt<u>, sge<u>): Change to + cstore<GPR:mode>4. + * config/mips/mips-protos.h (mips_expand_conditional_branch, + mips_expand_scc, mips_expand_conditional_trap): Adjust prototypes. + * config/mips/mips.c (cmp_operands): Delete. + (mips_emit_compare): Get comparison operands from *op0/*op1. + (mips_expand_scc): Get code/op0/op1/target from operands. Assert + that it succeeds. Use op0/op1 instead of cmp_operands. + (mips_expand_conditional_branch, mips_expand_conditional_move, + mips_expand_conditional_trap): Likewise. + (mips_block_move_loop): Use cbranch patterns. + * config/mips/mips.h (cmp_operands): Delete. + + * config/mmix/mmix.c (mmix_valid_comparison): Delete. + (mmix_gen_compare_reg): Just return a register in the right CC mode. + * config/mmix/mmix.h (mmix_compare_op0, mmix_compare_op1): New. + * config/mmix/mmix.md (cmpdi, cmpdf): Remove. + (*cmpcc_folded): Rename to... + (*cmpdi_folded): this. + (*cmpcc): Rename to... + (*cmps): ... this. + (movdfcc, movdicc): Adjust for new semantics of mmix_gen_compare_reg. + (bCC): Remove. + (cbranchdi4): New. + (cbranchdf4): New. Handle invalid comparisons here. + * config/mmix/predicates.md (float_comparison_operator): New. + + * config/mn10300/mn10300.c (mn10300_rtx_costs): Consider 0 and + zero_extract to be cheap in (compare (zero_extract) (const_int 0). + * config/mn10300/mn10300.md (tst): Delete. + (*tst_extqisi_am33, *tst_extqisi, *tst_exthisi_am33, *tst_exthisi): + Name these patterns and wrap RHS in a compare. + (*cmpsi): Make this pattern private. Include tst. + (*cmpsf): Make this pattern private. + (and and zero_extract cc0 set): Wrap RHS in a COMPARE. + (compare with zero peepholes): Likewise. + (bCC): Remove. + (cbranchsi4, cbranchsf4): New. + (casesi): Use cbranchsi4. + + * config/pa/pa.c (hppa_compare_op0, hppa_compare_op1, + hppa_branch_type): Delete. + (return_addr_rtx): Use cbranchsi4. + (emit_bcond_fp): Accept all operands. Replace CODE with NE. + Emit CCFPmode comparison here. + (gen_cmp_fp): Delete, now part of emit_bcond_fp. + * config/pa/pa.h (enum cmp_type, hppa_compare_op0, hppa_compare_op1, + hppa_branch_type): Delete. + * config/pa/pa.md (cmpdi, cmpsi, cmpsf, cmpdf, sCC, bCC): Delete. + (movsicc, movdicc): Remove references to hppa_compare_op0, + hppa_compare_op1 and compare_from_rtx. + (cbranchdi4, cbranchsi4, cbranchsf4, cbranchdf4, cstoresi4): New. + (casesi): Use cbranchsi4. + + * config/pdp11/pdp11-protos.h (output_jump): Change prototype. + * config/pdp11/pdp11.c (output_jump): Embed opcodes here. + * config/pdp11/pdp11.md (register_or_const0_operand): New. + (cmpdf, cmphi, cmpqi): Make private. Add tst alternatives. + (cmpsi, tstsi, tstdf, tsthi, tstqi): Delete. + (bCC): Delete. + (cbranchdf4, cbranchhi4, cbranchqi4): New. + (*branch, *branch_inverted): New. + + * config/picochip/picochip.md (cbranchhi4): Use + ordered_comparison_operator. + (cmphi, bCC): Remove. + + * config/rs6000/predicates.md (rs6000_cbranch_operator): New. + (trap_comparison_operator): Delete. + * config/rs6000/rs6000-protos.h (rs6000_emit_sCOND, + rs6000_emit_cbranch): Accept mode and operands. + * config/rs6000/rs6000.c (rs6000_compare_op0, rs6000_compare_op1, + rs6000_compare_fp_p): Delete. + (rs6000_generate_compare): Accept mode and comparison. Extract code + and op0/op1 from there. Replace references to rs6000_compare_op0 + and rs6000_compare_op1. + (rs6000_emit_sCOND): Adjust call to rs6000_generate_compare and + extract result from passed operands. + (rs6000_emit_cbranch): Adjust call to rs6000_generate_compare and + extract loc from passed operands. + (rs6000_emit_cmove): Likewise. + * config/rs6000/rs6000.h (rs6000_compare_op0, rs6000_compare_op1, + rs6000_compare_fp_p): Delete. + * config/rs6000/rs6000.md (cmp<GPR>, cmp<FP>, bCC, sCC): Delete. + (cbranch<GPR>4, cbranch<FP>4): New. + (cstore<mode>4): New. Consolidate here all choices about when to use + portable or specialized sCC sequences. + (stack_protect_test): Use cbranchsi4. + (conditional_trap): Replace with ctrap<GPR>4. + (conditional trap insn): Replace trap_comparison_operator with + ordered_comparison_operator. + + * config/s390/s390.c (s390_compare_op0, s390_compare_op1): Delete. + (s390_emit_prologue): Use ctrap. + * config/s390/s390.h (s390_compare_op0, s390_compare_op1): Delete. + * config/s390/predicates.md (s390_eqne_operator, s390_scond_operator): + New predicates replacing... + * config/s390/s390.md (COMPARE, SCOND): ... these iterators. + (cmp<GPR>, cmp<FP>, cmpcc): Delete. + (trunc patterns): Use emit_cmp_and_jump_insns instead of cmp/branch. + (add<mode>cc): Do not use s390_compare_op0/op1. + (s<code>): Change to... + (cstore<mode>4): ... this. Do not use s390_compare_op0/op1. + (seq): Change to... + (cstorecc4): ... this. Handle EQ or NE equally. + (*sne): Un-privatize for use in cstorecc4. + (b<code>): Change to... + (cbranch<GPR>4, cbranch<FP>4, cbranchcc4): ... these. + (conditional_trap): Replace with... + (ctrap<GPR>4, ctrap<FP>4): ... these. + (stack_protect): Use cbranchcc4. + + * config/score/score-conv.h (cmp_op0, cmp_op1): Delete. + * config/score/score-protos.h (score_gen_cmp): Delete. + * config/score/score.c (cmp_op0, cmp_op1, score_gen_cmp): Delete. + (score_block_move-loop): Use cbranchsi4. + * config/score/score.md (cbranchsi4): New. + (cmpsi, bCC): Delete. + * config/score/score3.c (cmp_op0, cmp_op1, score3_gen_cmp): Delete. + (score3_movsicc): Use ops[1] operands instead of cmp_op0/cmp_op1. + * config/score/score7.c (cmp_op0, cmp_op1, score7_gen_cmp): Delete. + (score7_movsicc): Use ops[1] operands instead of cmp_op0/cmp_op1. + * config/score/score3.h (score3_gen_cmp): Delete. + * config/score/score7.h (score7_gen_cmp): Delete. + + * config/sh/sh-protos.h (prepare_scc_operands): Rename to... + (sh_emit_scc_to_t): ... this. Return void. + (from_compare): Rename to... + (sh_emit_compare_and_branch): ... this. + (sh_emit_compare_and_set): New. + (sh_expand_t_scc): Accept operands. + * config/sh/predicates.md (sh_float_comparison_operator): New. + * config/sh/sh.c (sh_compare_op0, sh_compare_op1): Delete. + (prepare_scc_operands): Rename to... + (sh_emit_scc_to_t): ... this. Return void. Get op0/op1 from + arguments. + (sh_emit_cheap_store_flag): New. + (sh_emit_set_t_insn): New. + (from_compare): Rename to... + (sh_emit_compare_and_branch): ... this. Accept mode. Rewrite + handling of TARGET_SH2E floating point to avoid recursive call. + Generate branch here. + (sh_emit_compare_and_set): New. + (sh_expand_t_scc): Get op0/op1 from arguments. + (sh_emit_cheap_store_flag): New. + * config/sh/sh.md (cbranchdi4, cbranchsi4): Include -mno-cbranchdi + cases. + (cbranchdi4_i): Use an "I08" constraint instead of an "i" constraint. + (cmpsi, cmpdi, cmpsf, cmpdf): Delete. + (movsicc, movdicc): Do nothing when it recreated operands from + sh_compare_*. Use sh_emit_cheap_store_flag. Adjust call to + prepare_scc_operands (now sh_emit_scc_to_t). + (udivdi3): Use cstoresi4. + (beq_media, bne_media, bge_media, bgtu_media, bgeu_media, beq, + bne, bgt, blt, ble, bge, bgtu, bltu, bgeu, bleu, bunordered): Delete. + (cbranchint4_media, cbranchfp4_media): New. + (casesi): Use cbranchdi4. + (seq, slt, sle, sgt, sge, sgtu, sltu, sgeu, sne, sleu, sunordered): + Delete. + (cstore4_media, cstoresi4, cstoredi4, cstoresf4, cstoredf4): New. + (movnegt): Remove second operand. + (cbranchsf4, cbranchdf4): New. + (stack_protect): Use cbranchdi4/cbranchsi4. + + * config/sparc/sparc.c (sparc_compare_op0, sparc_compare_op1): Delete. + (gen_compare_reg): Accept comparison, extract part of it to... + (gen_compare_reg_1): ... this. + (gen_compare_operator): Delete. + (gen_v9_scc): Accept separate destination, comparison code and arms. + Do not use sparc_compare_op0/sparc_compare_op1. + (emit_scc_insn, emit_conditional_branch_insn): New. + (emit_v9_brxx): Make static. Remove useless assertion. + (sparc_emit_float_lib_cmp): Return RTL instead of calling + emit_cmp_insn. + (sparc_expand_compare_and_swap_12): Use gen_compare_reg_1+cbranchcc4. + * config/sparc/sparc-protos.h (gen_compare_reg, + sparc_emit_float_lib_cmp): Adjust prototype. + (emit_scc_insn, emit_conditional_branch_insn): New. + (gen_v9_scc, emit_v9_brxx_insn, gen_compare_operator): Delete. + * config/sparc/sparc.h (sparc_compare_op0, sparc_compare_op1): Delete. + * config/sparc/sparc.md (P, I, F, V32, V32I, V64, V64I): Move all + iterators to the top. + (cmpsi, cmpdi, cmpsf, cmpdf, cmptf, seqsi_special_extend, + snesi_special_extend, sCC, bCC, seqdi_special_trunc, + snedi_special_trunc): Delete. + (seqdi_special, snedi_special): Use expansion of seqdi_special_trunc + and snedi_special_trunc. + (cstoresi4, cstoredi4, cstore<F:mode>4, cbranchcc4, cbranchsi4, + cbranchdi4, cbranch<F:mode>4): New. + (mov<I:mode>cc, mov<F:mode>cc): Handle sparc_emit_float_lib_cmp + here. Use gen_compare_reg instead of gen_compare_operator. + (conditional_trap): Replace with... + (ctrapsi4, ctrapdi4): ... this. + (stack_protect_test): Use cbranchcc4. + + * config/spu/spu-protos.h (spu_emit_branch_or_set): Change second + argument to rtx. + * config/spu/spu.c (spu_compare_op0, spu_compare_op1): Remove. + (spu_emit_branch_or_set): Get code/op0/op1 from second argument. + Change spu_compare_op0/op1 to op0/op1 throughout. Get target + from operands[0] or operands[3] depending on is_set. + * config/spu/spu.h (spu_compare_op0, spu_compare_op1): Remove. + * config/spu/spu.md (cmp<mode:VQHSI>, cmp<mode:DTI>, cmp<mode:VSF>, + cmpdf, bCC), sCC: Remove. + (cbranch<mode:VQHSI>4, cbranch<mode:DTI>, cbranch<mode:VSF>4, + cbranchdf4, cstore<mode:VQHSI>4, cstore<mode:DTI>, cstore<mode:VSF>4, + cstoredf4): New. + (mov<mode>cc): Accept ordered_comparison_operator, adjust call to + spu_emit_branch_or_set. + + * config/stormy16/stormy16-protos.h (xstormy16_emit_cbranch): + Add two arguments. + * config/stormy16/stormy16.h (xstormy16_compare_op0, + xstormy16_compare_op1): Delete. + * config/stormy16/stormy16.c (xstormy16_compare_op0, + xstormy16_compare_op1): Delete. + (xstormy16_emit_cbranch): Get op0/op1 from the new arguments. + Adjust calls. + * config/stormy16/stormy16.md (cbranchsi4, cbranchhi4): New. + (cmphi, cmpsi, bCC): Remove. + + * config/v850/v850.md (tstsi, cmpsi): Fold into... + (*cmpsi): ... this one. + (cbranchsi4, cstoresi4): New. + (bCC expanders): Delete. + (sCC insns): Fold into... + (*setcc): ... this one. + (casesi): Do not use gen_cmpsi and gen_bgtu. + (various splits): Wrap "naked" RHS of a cc0 set with COMPARE. + (movsicc): Simplify. + * config/v850/v850.c (v850_rtx_costs): Handle ZERO_EXTRACT in COMPARE. + + * config/vax/vax-protos.h (cond_name): New. + (vax_output_conditional_branch): Remove. + * config/vax/vax.c (cond_name): New. + (vax_output_conditional_branch): Remove. + * config/vax/vax.h (PRINT_OPERAND): Dispatch %c to cond_name. + * config/vax/vax.md (tst<VAXint>, tst<VAXfp>): Remove. + (cmp<VAXint>, cmp<VAXfp>): Privatize. Add constraints for tst. + (bit<VAXint>): Wrap source with (compare). + (b<code> and following unnamed pattern): Rename to *branch and + *branch_reversed. Change macroization to match_operator. + (cbranch<VAXint>4, cbranch<VAXfp>4): New. + + * config/xtensa/predicates.md (xtensa_cstoresi_operator): New. + * config/xtensa/xtensa-protos.h (xtensa_expand_conditional_branch): + Change last argument to machine_mode. + (xtensa_expand_scc): Add machine_mode argument. + * config/xtensa/xtensa.c (branch_cmp, branch_type): Remove. + (gen_conditional_move, xtensa_expand_conditional_branch, + xtensa_expand_scc, xtensa_expand_conditional_move): Use mode + instead of branch_type, fetch cmp0/cmp1/test_code from operands[]. + Adjust operand numbers. + * config/xtensa/xtensa.h (enum cmp_type, branch_cmp, branch_type): + Delete. + * config/xtensa/xtensa.md (any_cond, any_scc): Delete. + (cmpsi, cmpsf, b<code>, s<code>): Delete. + (cbranchsi4, cbranchsf4, cstoresi4, cstoresf4): New. + +2009-05-12 Paolo Bonzini <bonzini@gnu.org> + + * optabs.c (prepare_cmp_insn): Temporarily disable test that + causes spurious differences between trunk and cond-optab branch. + +2009-05-12 Alexandre Oliva <aoliva@redhat.com> + + PR target/37137 + * doc/install.texi (STAGE1_TFLAGS, BUILD_CONFIG): Document. + +2009-05-12 Alexandre Oliva <aoliva@redhat.com> + + * tree.c (iterative_hash_pointer): Delete. + (iterative_hash_expr): Short-circuit handling of NULL pointer. + Hash UIDs and versions of SSA names. Don't special-case built-in + function declarations. + +2009-05-11 Ian Lance Taylor <iant@google.com> + + PR bootstrap/40103 + * graphite.c: Force -Wc++-compat to only be a warning before + #including "cloog/cloog.h". + +2009-05-11 Martin Jambor <mjambor@suse.cz> + + * ipa-cp.c (ipcp_cloning_candidate_p): Add missing return false. + +2009-05-11 Jan Hubicka <jh@suse.cz> + + * tree-ssa-loop-ivcanon.c: Include target.h + (struct loop_size): new structure. + (constant_after_peeling): New predicate. + (tree_estimate_loop_size): New function. + (estimated_unrolled_size): Rewrite for new estimates. + (try_unroll_loop_completely): Use new estimates. + * Makefile.in (tree-ssa-loop-ivcanon.o): Add dependenc on target.h + +2009-05-11 Andrew Pinski <andrew_pinski@playstation.sony.com> + + * config/spu/spu-c.c (spu_categorize_keyword): Update for recent + libcpp interface change. + (spu_macro_to_expand): Likewise. + +2009-05-11 Paolo Bonzini <bonzini@gnu.org> + + PR tree-optimization/40026 + * gimplify.c (gimplify_init_constructor): Change initial conditional + to assertion. Rewrite TREE_OPERAND (*expr_p, 1) after + optimize_compound_literals_in_ctor. + +2009-05-11 Nathan Sidwell <nathan@codesourcery.com> + + * config/m68k/m68k-devices.def (52274, 52277, 5301x, 5225x, 51xx): + New devices. + * doc/invoke.texi (M680x0 Options): Document new coldfire cpus. + +2009-05-11 H.J. Lu <hongjiu.lu@intel.com> + + * tree-vect-data-refs.c (vect_analyze_group_access): Use + HOST_WIDE_INT for gap. + +2009-05-11 Ira Rosen <irar@il.ibm.com> + + PR tree-optimization/40074 + * tree-vect-data-refs.c (vect_analyze_group_access): Take gaps into + account in group size and step comparison. + +2009-05-11 Richard Guenther <rguenther@suse.de> + + * passes.c (init_optimization_passes): Strip now incorrect comment. + (execute_function_todo): Do not set PROP_alias. + * tree-pass.h (PROP_alias): Remove. + * tree-ssa-structalias.c (pass_build_alias): Do not provide PROP_alias. + * tree-if-conv.c (pass_if_conversion): Do not require PROP_alias. + * tree-nrv.c (pass_return_slot): Likewise. + * tree-object-size.c (pass_object_sizes): Likewise. + * tree-ssa-dom.c (pass_dominator): Likewise. + (pass_phi_only_cprop): Likewise. + * tree-ssa-dse.c (pass_dse): Likewise. + * tree-ssa-phiopt.c (pass_phiopt): Likewise. + (pass_cselim): Likewise. + * tree-ssa-pre.c (pass_pre): Likewise. + (pass_fre): Likewise. + * tree-ssa-reassoc.c (pass_reassoc): Likewise. + * tree-ssa-sink.c (pass_sink_code): Likewise. + * tree-stdarg.c (pass_stdarg): Likewise. + * tree-tailcall.c (pass_tail_calls): Likewise. + * tree-vrp.c (pass_vrp): Likewise. + +2009-05-10 Ian Lance Taylor <iant@google.com> + + * basic-block.h (enum profile_status): Break out of struct + control_flow_graph. + * cgraph.h (struct inline_summary): Break out of struct + cgraph_local_info. + * cgraphunit.c (enum cgraph_order_sort_kind): New enum, broken out + of struct cgraph_order_sort. + * combine.c (enum undo_kind): New enum, broken out of struct undo. + * cse.c (struct branch_path): Break out of struct + cse_basic_block_data. + * except.h (enum eh_region_type): Break out of struct eh_region. + * gcc.c (enum add_del): Break out of struct modify_target. + * genrecog.c (enum decision_type): Break out of struct decision_test. + * ggc-page.c (struct ggc_pch_ondisk): Break out of struct + ggc_pch_data. + * matrix-reorg.c (struct free_info): Break out of struct matrix_info. + * regmove.c (enum match_use): New enum, broken out of struct match. + * sched-int.h (enum post_call_group): New enum, broken out of + struct deps. + (struct deps_reg): Break out of struct deps. + * target.h (struct asm_int_op): Break out of struct gcc_target. + * tree-eh.c (struct goto_queue_node): Break out of struct + leh_tf_state. + * tree-inline.h (enum copy_body_cge_which): Break out of + copy_body_data. + * tree-pass.h (enum opt_pass_type): Break out of struct opt_pass. + + * c-decl.c (in_struct, struct_types): New static variables. + (pushtag): Add loc parameter. Change all callers. + (lookup_tag): Add ploc parameter. Change all callers. + (check_compound_literal_type): New function. + (parser_xref_tag): Add loc parameter. Change all callers. If + -Wc++-compat, warn about struct/union/enum types defined within a + struct or union. + (start_struct): Add enclosing_in_struct, enclosing_struct_types, + and loc parameters. Change all callers. Change error calls to + error_at, using loc. For a redefinition, if the location of the + original definition is known, report it. Set in_struct and + struct_types. If -Wc++-compat warn if in sizeof, typeof, or alignof. + (finish_struct): Add new parameters enclosing_in_struct and + enclosing_struct_types. Change all callers. Set + C_TYPE_DEFINED_IN_STRUCT for all struct/union/enum types defined + in the struct. If in a struct, add this struct to struct_types. + (start_enum): Add loc parameter. Change all callers. Use + error_at for errors, using loc. For a redefinition, if the + location of the original definition is known, report it. If in a + struct, add this enum type to struct_types. If -Wc++-compat warn + if in sizeof, typeof, or alignof. + * c-parser.c (disable_extension_diagnostics): Disable -Wc++-compat. + (enable_extension_diagnostics): Reenable -Wc++-compat if appropriate. + (c_parser_enum_specifier): Get enum location for start_enum. + (c_parser_struct_or_union_specifier): Get struct location for + start_struct. Save in_struct and struct_types status between + start_struct and finish_struct. + (c_parser_cast_expression): Get location of cast. + (c_parser_alignof_expression): Get location of type. + (c_parser_postfix_expression): Likewise. + (c_parser_postfix_expression_after_paren_type): Add type_loc + parameter. Change all callers. Call check_compound_literal_type. + Use type_loc for error about variable size type. + * c-typeck.c (build_external_ref): If -Wc++-compat, warn about a use + of an enum constant from an enum type defined in a struct or union. + (c_cast_expr): Add loc parameter. Change all callers. If + -Wc++-compat, warn about defining a type in a cast. + * c-tree.h (C_TYPE_DEFINED_IN_STRUCT): Define. + (start_enum, start_struct, finish_struct): Update declarations. + (parser_xref_tag, c_cast_expr): Update declarations. + (check_compound_literal_type): Declare. + +2009-05-11 Ben Elliston <bje@au.ibm.com> + + * config/rs6000/rs6000-c.c (altivec_categorize_keyword): Update + for recent libcpp interface change. + (rs6000_macro_to_expand): Likewise. + +2009-05-10 Michael Matz <matz@suse.de> + + PR target/40031 + * config/arm/arm.c (require_pic_register): Emit on entry edge, + not at entry of function. + +2009-05-10 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/40081 + Revert + * tree-sra.c (instantiate_element): Instantiate scalar replacements + using the main variant of the element type. Do not fiddle with + TREE_THIS_VOLATILE or TREE_SIDE_EFFECTS. + + * tree-sra.c (sra_type_can_be_decomposed_p): Do not decompose + structs with volatile fields. + +2009-05-10 Jan Hubicka <jh@suse.cz> + + * tree-inline.c (delete_unreachable_blocks_update_callgraph): Declare. + (estimate_move_cost): Assert that it does not get called for + VOID_TYPE_P. + (estimate_num_insns): Skip VOID types in argument handling. + (optimize_inline_calls): Delete unreachable blocks and verify that + callgraph is valid. + +2009-05-10 Jan Hubicka <jh@suse.cz> + + * cgraphbuild.c (record_reference): Use cgraph_mark_address_taken_node. + * cgraph.c (cgraph_mark_address_taken_node): New function. + (dump_cgraph_node): Dump new flag. + * cgraph.h (struct cgraph_node): Add address_taken. + (cgraph_mark_address_taken_node): New function. + * ipa.c (cgraph_postorder): Prioritize functions with address taken + since new direct calls can be born. + +2009-05-10 Joseph Myers <joseph@codesourcery.com> + + * c-lex.c (c_lex_with_flags): Expect cpp_hashnode in + tok->val.node.node. + +2009-05-10 Jan Hubicka <jh@suse.cz> + + PR middle-end/40084 + * cgraph.c (cgraph_update_edges_for_call_stmt_node): Take old_call + argument; rewrite. + (cgraph_update_edges_for_call_stmt): Take old_decl argument. + * cgraph.h (cgraph_update_edges_for_call_stmt): Update prototype. + * tree-inline.c (copy_bb): Set frequency correctly. + (fold_marked_statements): Update call to + cgraph_update_edges_for_call_stmt. + +2009-05-10 Joseph Myers <joseph@codesourcery.com> + + * config/arc/arc.c (arc_handle_interrupt_attribute): Use %qE for + identifiers in diagnostics. + * config/arm/arm.c (arm_handle_fndecl_attribute, + arm_handle_isr_attribute): Likewise. + * config/avr/avr.c (avr_handle_progmem_attribute, + avr_handle_fndecl_attribute, avr_handle_fntype_attribute): Likewise. + * config/bfin/bfin.c (handle_int_attribute, + bfin_handle_longcall_attribute, bfin_handle_l1_text_attribute, + bfin_handle_l1_data_attribute, bfin_handle_longcall_attribute, + bfin_handle_l1_text_attribute, bfin_handle_l1_data_attribute): + Likewise. + * config/darwin.c (darwin_handle_kext_attribute, + darwin_handle_weak_import_attribute): Likewise. + * config/h8300/h8300.c (h8300_handle_fndecl_attribute, + h8300_handle_eightbit_data_attribute, + h8300_handle_tiny_data_attribute): Likewise. + * config/i386/i386.c (ix86_handle_cconv_attribute, + ix86_handle_abi_attribute, ix86_handle_struct_attribute): Likewise. + * config/i386/winnt.c (ix86_handle_shared_attribute, + ix86_handle_selectany_attribute): Likewise. + * config/ia64/ia64.c (ia64_handle_model_attribute): Likewise. + * config/m32c/m32c.c (function_vector_handler): Likewise. + * config/m68hc11/m68hc11.c (m68hc11_handle_page0_attribute, + m68hc11_handle_fntype_attribute): Likewise. + * config/m68k/m68k.c (m68k_handle_fndecl_attribute): Likewise. + * config/mcore/mcore.c (mcore_handle_naked_attribute): Likewise. + * config/mips/mips.c (mips_insert_attributes, + mips_merge_decl_attributes, mips_expand_builtin): Likewise. + * config/rs6000/rs6000.c (rs6000_handle_longcall_attribute, + rs6000_handle_struct_attribute): Likewise. + * config/sh/sh.c (sh_insert_attributes, + sh_handle_resbank_handler_attribute, + sh_handle_interrupt_handler_attribute, + sh2a_handle_function_vector_handler_attribute, + sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute): + Likewise. + * config/sh/symbian.c (sh_symbian_mark_dllimport): Likewise. + * config/spu/spu.c (spu_handle_fndecl_attribute, + spu_handle_vector_attribute): Likewise. + * config/stormy16/stormy16.c + (xstormy16_handle_interrupt_attribute): Likewise. + * config/v850/v850-c.c (ghs_pragma_section): Likewise. + * config/v850/v850.c (v850_handle_interrupt_attribute): Likewise. + +2009-05-10 Joseph Myers <joseph@codesourcery.com> + + * pretty-print.h (struct pretty_print_info): Add translate_identifiers. + (pp_translate_identifiers): New. + (pp_identifier): Only conditionally translate identifier to locale + character set. + * pretty-print.c (pp_construct): Set pp_translate_identifiers. + (pp_base_tree_identifier): Only conditionally translate identifier + to locale character set. + * c-pretty-print.c (M_): Define. + (pp_c_type_specifier, pp_c_primary_expression): Mark English + fragments for conditional translation with M_. + * tree-pretty-print.c (maybe_init_pretty_print): Disable + identifier translation. + +2009-05-10 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/40081 + * tree-sra.c (instantiate_element): Instantiate scalar replacements + using the main variant of the element type. Do not fiddle with + TREE_THIS_VOLATILE or TREE_SIDE_EFFECTS. + +2009-05-09 Jan Hubicka <jh@suse.cz> + + PR middle-end/40080 + * cgraphunit.c (cgraph_materialize_all_clones): Do not redirect + indirect calls; verify cgraph afterwards. + +2009-05-09 Jan Hubicka <jh@suse.cz> + + PR bootstrap/40082 + * ipa.c (update_inlined_to_pointer): New function. + (cgraph_remove_unreachable_nodes): Use it. + +2009-05-09 Jan Hubicka <jh@suse.cz> + + * tree-eh.c (struct leh_state): Remove prev_try. + (lower_try_finally, lower_catch, lower_eh_filter, lower_cleanup): Do + not track prev_try. + * except.c (gen_eh_region_cleanup, duplicate_eh_regions, + copy_eh_region_1, copy_eh_region, redirect_eh_edge_to_label, + remove_eh_handler_and_replace, foreach_reachable_handler, + verify_eh_region, verify_eh_tree): Remove tracking of prev_try pointer. + * except.h (struct eh_region): Remove eh_region_u_cleanup. + (gen_eh_region_cleanup): Update prototype. + +2009-05-09 Jan Hubicka <jh@suse.cz> + + PR middle-end/40043 + * except.c (copy_eh_region): Always set prev_try. + (redirect_eh_edge_to_label): Find outer try. + (foreach_reachable_handler): When looking for prev try + handle case where previous try is not going to be taken. + +2009-05-07 Michael Meissner <meissner@linux.vnet.ibm.com> + + PR tree-optimization/40049 + * tree-vect-stmts.c (vectorizable_operation): If the machine has + only vector/vector shifts, convert the type of the constant to the + appropriate type to avoid building incorrect trees, which + eventually have problems with garbage collection. + +2009-05-08 Joseph Myers <joseph@codesourcery.com> + + * fold-const.c (fold_binary): Do not fold multiplication by 1 or + -1 for complex floating-point types if honoring signed zeros. + +2009-05-08 Jan Hubicka <jh@suse.cz> + + * cgraphbuild.c (compute_call_stmt_bb_frequency): Accept function + argument; handle correctly when profile is absent. + (build_cgraph_edges): Update. + (rebuild_cgraph_edges): Update. + * cgraph.c: Do not include varray.h. + (cgraph_set_call_stmt_including_clones): New function. + (cgraph_create_edge_including_clones): Likewise + (cgraph_update_edges_for_call_stmt_node): New static cfunction. + (cgraph_update_edges_for_call_stmt): Handle clones. + (cgraph_remove_node): Handle clone tree. + (cgraph_remove_node_and_inline_clones): New function. + (dump_cgraph_node): Dump clone tree. + (cgraph_clone_node): Handle clone tree. + (clone_function_name): Bring here from tree-inline.c. + (cgraph_create_virtual_clone): New function. + * cgraph.h (ipa_replace_map): Move here from ipa.h. + (cgraph_clone_info): New function. + (strut cgraph_node): Add clone_info and new clone tree pointers. + (cgraph_remove_node_and_inline_clones, + cgraph_set_call_stmt_including_clones, + cgraph_create_edge_including_clones, + cgraph_create_virtual_clone): Declare. + (cgraph_function_versioning): Use VEC argument. + (compute_call_stmt_bb_frequency): Update prototype. + (cgraph_materialize_all_clones): New function. + * ipa-cp.c (ipcp_update_cloned_node): Remove. + (ipcp_create_replace_map): Update to VECtors. + (ipcp_update_callgraph): Use virtual clones. + (ipcp_update_bb_counts, ipcp_update_edges_counts): Remove. + (ipcp_update_profiling): Do not update local profiling. + (ipcp_insert_stage): Use VECtors and virtual clones. + * cgraphunit.c (verify_cgraph_node): Verify clone tree. + (clone_of_p): New function. + (cgraph_preserve_function_body_p): Use clone tree. + (cgraph_optimize): Materialize clones. + (cgraph_function_versioning): Update for VECtors. + (save_inline_function_body): Use clone tree. + (cgraph_materialize_clone): New function. + (cgraph_materialize_all_clones): Likewise. + * ipa-inline.c (cgraph_default_inline_p): Use analyzed flags. + * ipa.c: Include gimple.h. + (cgraph_remove_unreachable_nodes): Use clone tree. + * ipa-prop.c (ipa_note_param_call): Update call to + compute_call_stmt_bb_frequencycall. + * ipa-prop.h (ipa_replace_map): Move to cgraph.h. + * tree-inline.c: Do not include varray.h or gt-tree-inline.h. + (copy_bb): Handle updating of clone tree; add new edge when new call + appears. + (expand_call_inline): Be strict about every call having edge. + (clone_fn_id_num, clone_function_name): Move to cgraph.c. + (delete_unreachable_blocks_update_callgraph): New function. + (tree_function_versioning): Use VECtors; always remove unreachable + blocks and fold conditionals. + * tree-inline.h: Do not include varray.h. + (tree_function_versioning): Remove. + * Makefile.in (GTFILES): Remove tree-inline.c + * passes.c (do_per_function): Do only functions having body. + * ipa-struct-reorg.c (do_reorg_1, collect_data_accesses): Handle clone + tree. + +2009-05-08 H.J. Lu <hongjiu.lu@intel.com> + Andrew Morrow <acm@google.com> + + PR c/36892 + * c-common.c (c_common_attribute_table): Permit deprecated + attribute to take an optional argument. + (handle_deprecated_attribute): If the optional argument to + __attribute__((deprecated)) is not a string ignore the attribute + and emit a warning. + + * c-decl.c (grokdeclarator): Updated warn_deprecated_use call. + * c-typeck.c (build_component_ref): Likewise. + (build_external_ref): Likewise. + + * toplev.c (warn_deprecated_use): Add an attribute argument. + Emit the message associated with __attribute__((deprecated)). + + * toplev.h (warn_deprecated_use): Updated. + + * doc/extend.texi: Document new optional parameter to + __attribute__((deprecated)) + +2009-05-08 Michael Eager <eager@eagercon.com> + + * config/rs6000/rs6000.md (*movdf_softfloat32): replace + !TARGET_DOUBLE_FLOAT with TARGET_SINGLE_FLOAT. + +2009-05-08 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/40062 + * tree-scalar-evolution.c (follow_ssa_edge_in_condition_phi): + Avoid exponential behavior. + +2009-05-08 Paolo Bonzini <bonzini@gnu.org> + + PR rtl-optimization/33928 + PR 26854 + * fwprop.c (use_def_ref, get_def_for_use, bitmap_only_bit_bitween, + process_uses, build_single_def_use_links): New. + (update_df): Update use_def_ref. + (forward_propagate_into): Use get_def_for_use instead of use-def + chains. + (fwprop_init): Call build_single_def_use_links and let it initialize + dataflow. + (fwprop_done): Free use_def_ref. + (fwprop_addr): Eliminate duplicate call to df_set_flags. + * df-problems.c (df_rd_simulate_artificial_defs_at_top, + df_rd_simulate_one_insn): New. + (df_rd_bb_local_compute_process_def): Update head comment. + (df_chain_create_bb): Use the new RD simulation functions. + * df.h (df_rd_simulate_artificial_defs_at_top, + df_rd_simulate_one_insn): New. + * opts.c (decode_options): Enable fwprop at -O1. + * doc/invoke.texi (-fforward-propagate): Document this. + +2009-05-08 Joseph Myers <joseph@codesourcery.com> + + PR c/24581 + * c-typeck.c (build_binary_op): Handle arithmetic between one real + and one complex operand specially. + * tree-complex.c (some_nonzerop): Do not identify a real value as + zero if flag_signed_zeros. + +2009-05-08 Paolo Bonzini <bonzini@gnu.org> + + PR rtl-optimization/33928 + * loop-invariant.c (record_use): Fix && vs. || mishap. + +2009-05-08 Paolo Bonzini <bonzini@gnu.org> + + PR rtl-optimization/33928 + * loop-invariant.c (struct use): Add addr_use_p. + (struct def): Add n_addr_uses. + (struct invariant): Add cheap_address. + (create_new_invariant): Set cheap_address. + (record_use): Accept df_ref. Set addr_use_p and update n_addr_uses. + (record_uses): Pass df_ref to record_use. + (get_inv_cost): Do not add inv->cost to comp_cost for cheap addresses + used only as such. + +2009-05-08 Kaz Kojima <kkojima@gcc.gnu.org> + + * config/sh/sh.c: Do not include c-pragma.h. + +2009-05-07 Andrew Pinski <andrew_pinski@playstation.sony.com> + + * config/spu/spu.c: Remove include of c-common.h. + +2009-05-07 Janis Johnson <janis187@us.ibm.com> + + PR c/39037 + * c-common.h (mark_valid_location_for_stdc_pragma, + valid_location_for_stdc_pragma_p, set_float_const_decimal64, + clear_float_const_decimal64, float_const_decimal64_p): New. + * c.opt (Wunsuffixed-float-constants): New. + * c-lex.c (interpret_float): Use pragma FLOAT_CONST_DECIMAL64 for + unsuffixed float constant, handle new warning. + * c-cppbuiltin.c (c_cpp_builtins): Use cast for double constants. + * c-decl.c (c_scope): New flag float_const_decimal64. + (set_float_const_decimal64, clear_float_const_decimal64, + float_const_decimal64_p): New. + (push_scope): Set new flag. + * c-parser.c (c_parser_translation_unit): Mark when it's valid + to use STDC pragmas. + (c_parser_external_declaration): Ditto. + (c_parser_compound_statement_nostart): Ditto. + * c-pragma.c (valid_location_for_stdc_pragma, + mark_valid_location_for_stdc_pragma, + valid_location_for_stdc_pragma_p, handle_stdc_pragma, + handle_pragma_float_const_decimal64): New. + (init_pragma): Register new pragma FLOAT_CONST_DECIMAL64. + * cp/semantics.c (valid_location_for_stdc_pragma_p, + set_float_const_decimal64, clear_float_const_decimal64, + float_const_decimal64_p): New dummy functions. + * doc/extend.texi (Decimal Float): Remove statement that the + pragma, and suffix for double constants, are not supported. + * doc/invoke.texi (Warning Options): List new option. + (-Wunsuffixed-float-constants): New. + +2009-05-08 Steven Bosscher <steven@gcc.gnu.org> + + * config/i386/i386.c: Do not include c-common.h. + +2009-05-07 Mark Heffernan <meheff@google.com> + + * doc/invoke.texi (Debugging Options): Document change of debugging + dump location. + * opts.c (decode_options): Make dump_base_name relative to + aux_base_name directory. + +2009-05-07 Hariharan Sandanagobalane <hariharan@picochip.com> + + * config/picochip/picochip.h (NO_DOLLAR_IN_LABEL): Added. + * config/picochip/libgccExtras/divmod15.asm : Removed redefiniton. + +2009-05-07 Rafael Avila de Espindola <espindola@google.com> + + * Makefile.in (install-plugin): Simplify a bit. + +2009-05-07 Paolo Bonzini <bonzini@gnu.org> + + * Makefile.in (OBJS-common): Add regcprop.o. + (regcprop.o): New. + * timevar.def (TV_CPROP_REGISTERS): New. + * regrename.c (regrename_optimize): Return 0. + (rest_of_handle_regrename): Delete. + (pass_rename_registers): Point to regrename_optimize. + (struct value_data_entry, struct value_data, + kill_value_one_regno, kill_value_regno, kill_value, + set_value_regno, init_value_data, kill_clobbered_value, + kill_set_value, kill_autoinc_value, copy_value, + mode_change_ok, maybe_mode_change, find_oldest_value_reg, + replace_oldest_value_reg, replace_oldest_value_addr, + replace_oldest_value_mem, copyprop_hardreg_forward_1, + debug_value_data, validate_value_data): Move... + * regcprop.c: ... here. + (rest_of_handle_cprop): Delete. + (pass_cprop_hardreg): Point to copyprop_hardreg_forward. + +2009-05-07 Jakub Jelinek <jakub@redhat.com> + + PR middle-end/40057 + * dojump.c (prefer_and_bit_test): Use immed_double_const instead of + GEN_INT for 1 << bitnum. + (do_jump) <case BIT_AND_EXPR>: Use build_int_cst_wide_type instead of + build_int_cst_type. + +2009-05-07 Uros Bizjak <ubizjak@gmail.com> + + * doc/md.texi (Standard Pattern Names For Generation) [sync_nand]: + Remove wrong description of "nand" operation. + +2009-05-06 Richard Guenther <rguenther@suse.de> + Adam Nemet <anemet@caviumnetworks.com> + + * gimple.def (GIMPLE_ASSIGN): Fix incorrect information in the + comment. Add that if LHS is not a gimple register, then RHS1 has + to be a single object (GIMPLE_SINGLE_RHS). + +2009-05-06 Adam Nemet <anemet@caviumnetworks.com> + + * expr.c (get_def_for_expr): Move it up in the file. + (store_field): When expanding a bit-field store, look at the + defining gimple stmt for the masking conversion. + +2009-05-06 Janis Johnson <janis187@us.ibm.com> + + PR middle-end/39986 + * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64, + decode_decimal64, encode_decimal128, decode_decimal128): Avoid + 32-bit memcpy into long. + +2009-05-06 Jakub Jelinek <jakub@redhat.com> + + * dwarf2out.c (new_reg_loc_descr): Don't ever create DW_OP_regX. + (one_reg_loc_descriptor): Create DW_OP_regX here instead of calling + new_reg_loc_descr. + (loc_by_reference): If loc is DW_OP_regX, change it into DW_OP_bregX 0 + instead of appending DW_OP_deref*. + +2009-05-06 Michael Matz <matz@suse.de> + + PR middle-end/40021 + * cfgexpand.c (maybe_cleanup_end_of_block): New static function. + (expand_gimple_cond): Use it to cleanup CFG and superfluous jumps. + +2009-05-06 Rafael Avila de Espindola <espindola@google.com> + + * Makefile.in (install-plugin): Fix srcdir handling. + +2009-05-06 Andrey Belevantsev <abel@ispras.ru> + + * tree-ssa.c (execute_update_address_taken): Handle TARGET_MEM_REF + when processing for not_regs_needed bitmap. + * gimple.c (walk_stmt_load_store_addr_ops): When visiting address, + handle TARGET_MEM_REF in lhs. Check TMR_BASE for NULL while + handling it for rhs. + +2009-05-06 H.J. Lu <hongjiu.lu@intel.com> + + * config/i386/i386.md (unnamed inc/dec peephole): Use + optimize_insn_for_size_p instead of optimize_size. + * config/i386/predicates.md (incdec_operand): Likewise. + (aligned_operand): Likewise. + * config/i386/sse.md (divv8sf3): Likewise. + (sqrtv8sf2): Likewise. + +2009-05-06 H.J. Lu <hongjiu.lu@intel.com> + + * config/i386/i386.c (ix86_build_signbit_mask): Make it static. + + * config/i386/i386-protos.h (ix86_build_signbit_mask): Removed. + +2009-05-06 H.J. Lu <hongjiu.lu@intel.com> + + * config/i386/i386.md (*avx_<code><mode>3_finite): Replace + ssemodesuffixf2c with avxmodesuffixf2c. + +2009-05-06 Joseph Myers <joseph@codesourcery.com> + + PR c/40032 + * c-decl.c (grokdeclarator): Handle incomplete type of unnamed field. + +2009-05-05 Jakub Jelinek <jakub@redhat.com> + + * tree.h: Remove DECL_BY_REFERENCE from private_flag comment. + (struct tree_base): Adjust spacing for 8 bit boundaries. + (struct tree_decl_common): Add decl_by_reference_flag bit. + (DECL_BY_REFERENCE): Adjust. + * print-tree.c (print_node): For VAR_DECL, PARM_DECL or RESULT_DECL, + print DECL_BY_REFERENCE bit. + * dbxout.c (DECL_ACCESSIBILITY_CHAR): Revert last change. + * dwarf2out.c (loc_by_reference, gen_decl_die): Check + DECL_BY_REFERENCE for all VAR_DECLs, not just non-static ones. + (gen_variable_die): Likewise. Check TREE_PRIVATE/TREE_PROTECTED + unconditionally. + + PR middle-end/39666 + * gimplify.c (gimplify_switch_expr): If case labels cover the whole + range of the type, but default label is missing, add it with one + of the existing labels instead of adding a new label for it. + +2009-05-05 Joseph Myers <joseph@codesourcery.com> + + * dwarf.h: Remove. + +2009-05-05 Rafael Avila de Espindola <espindola@google.com> + + * Makefile.in (enable_plugin, plugin_includedir): New. + (install): Depend on install-plugin. + (PLUGIN_HEADERS): New. + (install-plugin): New. + * config.gcc: Add vxworks-dummy.h to tm_file for x86 and x86-64. + +2009-05-05 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/40022 + * tree-ssa-phiprop.c (struct phiprop_d): Exchange vop_stmt for + the only vuse. + (phivn_valid_p): Fix tuplification error, simplify. + (phiprop_insert_phi): Add dumps. + (propagate_with_phi): Simplify. + +2009-05-05 Richard Guenther <rguenther@suse.de> + + PR middle-end/40023 + * builtins.c (gimplify_va_arg_expr): Properly build the address. + +2009-05-05 Shujing Zhao <pearly.zhao@oracle.com> + + * tree.h (strip_float_extensions): Remove duplicate declaration. + (build_low_bits_mask, debug_fold_checksum, expand_function_end, + expand_function_start, stack_protect_prologue, stack_protect_epilogue, + block_ultimate_origin): Rearrange the declarations line to match the + comment that indicates the .c file which the functions are defined. + (dwarf2out_*, set_decl_rtl): Add comment. + (get_base_address): Adjust comment. + (change_decl_assembler_name, maybe_fold_*, build_addr): Rearrange the + declarations line and add comment. + (is_builtin_name): Add blank after function name, for clarity. + +2009-05-04 Joseph Myers <joseph@codesourcery.com> + + * attribs.c (decl_attributes): Use %qE for identifiers in + diagnostics. + * cgraphunit.c (verify_cgraph_node): Translate function names to + locale character set in diagnostics. + * coverage.c (get_coverage_counts): Use %qE for identifiers in + diagnostics. + * doc/invoke.texi (-finstrument-functions-exclude-function-list): + Document that functions are named in UTF-8. + * expr.c (expand_expr_real_1): Translate function names to locale + character set in diagnostics. + * gimplify.c (omp_notice_variable, omp_is_private, + gimplify_scan_omp_clauses): Use %qE for identifiers in + diagnostics. + * langhooks.c (lhd_print_error_function): Translate function names + to locale character set. + * langhooks.h (decl_printable_name): Document that return value is + in internal character set. + * stmt.c: Include pretty-print.h + (tree_conflicts_with_clobbers_p): Use %qE for identifiers in + diagnostics. + (resolve_operand_name_1): Translate named operand name to locale + character set. + * stor-layout.c (finalize_record_size): Use %qE for identifiers in + diagnostics. + * toplev.c (announce_function): Translate function names to locale + character set. + (warn_deprecated_use): Use %qE for identifiers in diagnostics. + (default_tree_printer): Use pp_identifier or translate identifiers + to locale character set. Mark "<anonymous>" for translation. + * tree-mudflap.c (mx_register_decls, mudflap_finish_file): Use %qE + for identifiers in diagnostics. + * tree.c (handle_dll_attribute): Use %qE for identifiers in + diagnostics. + * varasm.c (output_constructor): Use %qE for identifiers in + diagnostics. + +2009-05-04 Rafael Avila de Espindola <espindola@google.com> + + * configure.ac: use ` ` instead of $() + * configure: Regenerate. + +2009-05-05 Ben Elliston <bje@au.ibm.com> + + * config/pa/linux-atomic.c: Eliminate conditional include of + errno.h on non-LP64 systems to simplify build requirements. + +2009-05-04 Joseph Myers <joseph@codesourcery.com> + + * c-common.c (handle_mode_attribute): Use %qE for identifiers in + diagnostics. + * c-decl.c (check_bitfield_type_and_width): Make orig_name a tree + and pass value to identifier_to_locale. + (warn_variable_length_array): Make name a tree. + (grokdeclarator): Separate diagnostic texts for named and unnamed + declarators. Use %qE for named declarators. + * c-parser.c (c_lex_one_token): Use %qE for identifiers in + diagnostics. + * c-pragma.c (pop_alignment, handle_pragma_pack): Use %qE for + identifiers in diagnostics. + * c-typeck.c (push_member_name, start_init): Pass identifiers to + identifier_to_locale. Mark "anonymous" strings for translation. + +2009-05-04 Michael Eager <eager@eagercon.com> + + * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow + address for DImode/DFmode only if double-precision FP regs. + +2009-05-04 Michael Eager <eager@eagercon.com> + + * config/rs6000/rs6000.c (rs6000_libcall_value): Add + TARGET_SINGLE_FLOAT check. + +2009-05-04 Michael Eager <eager@eagercon.com> + + * config/rs6000/xilinx.h: Add CPP_SPEC for -mxilinx-fpu options. + +2009-05-04 Michael Eager <eager@eagercon.com> + + * gcc/config.gcc (powerpc-xilinx-eabi*): Add tm t-xilinx + * config/rs6000/t-xilinx: New + +2009-05-04 Paolo Bonzini <bonzini@gnu.org> + + * doc/tm.texi (LEGITIMIZE_ADDRESS): Revise documentation. + * gcc/defaults.h (LEGITIMIZE_ADDRESS): Delete. + * gcc/explow.c (memory_address): Use target hook. + * gcc/targhooks.c (default_legitimize_address): New. + * gcc/targhooks.h (default_legitimize_address): New. + * gcc/target.h (legitimize_address): New. + * gcc/target-def.h (TARGET_LEGITIMIZE_ADDRESS): New. + (TARGET_INITIALIZER): Include it. + * gcc/system.h (LEGITIMIZE_ADDRESS): Poison. + + * config/bfin/bfin-protos.h (legitimize_address): Remove. + * config/bfin/bfin.c (legitimize_address): Remove. + * config/bfin/bfin.h (LEGITIMIZE_ADDRESS): Remove. + * config/m68hc11/m68hc11-protos.h (m68hc11_legitimize_address): + Remove. + * config/m68hc11/m68hc11.c (m68hc11_legitimize_address): Remove. + * config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Remove. + + * gcc/config/arm/arm.h (LEGITIMIZE_ADDRESS, ARM_LEGITIMIZE_ADDRESS, + THUMB_LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS): Delete. + * gcc/config/s390/s390.h (LEGITIMIZE_ADDRESS): Delete. + * gcc/config/m32c/m32c.h (LEGITIMIZE_ADDRESS): Delete. + * gcc/config/sparc/sparc.h (LEGITIMIZE_ADDRESS): Delete. + * gcc/config/m32r/m32r.h (LEGITIMIZE_ADDRESS): Delete. + * gcc/config/i386/i386.h (LEGITIMIZE_ADDRESS): Delete. + * gcc/config/sh/sh.h (LEGITIMIZE_ADDRESS): Delete. + * gcc/config/avr/avr.h (LEGITIMIZE_ADDRESS): Delete. + * gcc/config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Delete. + * gcc/config/iq2000/iq2000.h (LEGITIMIZE_ADDRESS): Delete. + * gcc/config/mn10300/mn10300.h (LEGITIMIZE_ADDRESS): Delete. + * gcc/config/m68k/m68k.h (LEGITIMIZE_ADDRESS): Delete. + * gcc/config/score/score.h (LEGITIMIZE_ADDRESS): Delete. + * gcc/config/pa/pa.h (LEGITIMIZE_ADDRESS): Delete. + * gcc/config/mips/mips.h (LEGITIMIZE_ADDRESS): Delete. + * gcc/config/alpha/alpha.h (LEGITIMIZE_ADDRESS): Delete. + * gcc/config/frv/frv.h (LEGITIMIZE_ADDRESS): Delete. + * gcc/config/spu/spu.h (LEGITIMIZE_ADDRESS): Delete. + * gcc/config/xtensa/xtensa.h (LEGITIMIZE_ADDRESS): Delete. + * gcc/config/cris/cris.h (LEGITIMIZE_ADDRESS): Delete. + * gcc/config/rs6000/rs6000.h (LEGITIMIZE_ADDRESS): Delete. + * gcc/config/picochip/picochip.h (LEGITIMIZE_ADDRESS): Delete. + + * gcc/config/s390/s390-protos.h (legitimize_address): Delete. + * gcc/config/m32c/m32c-protos.h (m32c_legitimize_address): Delete. + * gcc/config/sparc/sparc-protos.h (legitimize_address): Delete. + * gcc/config/i386/i386-protos.h (legitimize_address): Delete. + * gcc/config/avr/avr-protos.h (legitimize_address): Delete. + * gcc/config/mn10300/mn10300-protos.h (legitimize_address): Delete. + * gcc/config/score/score-protos.h (score_legitimize_address): Delete. + * gcc/config/arm/arm-protos.h (arm_legitimize_address, + (thumb_legitimize_address): Delete. + * gcc/config/pa/pa-protos.h (hppa_legitimize_address): Delete. + * gcc/config/mips/mips-protos.h (mips_legitimize_address): Delete. + * gcc/config/alpha/alpha-protos.h (alpha_legitimize_address): Delete. + * gcc/config/frv/frv-protos.h (frv_legitimize_address): Delete. + * gcc/config/spu/spu-protos.h (spu_legitimize_address): Delete. + * gcc/config/xtensa/xtensa-protos.h (xtensa_legitimize_address): + Delete. + * gcc/config/rs6000/rs6000-protos.h (rs6000_legitimize_address): + Delete. + + * config/arm/arm.c (arm_legitimize_address): Maybe call Thumb version. + * config/m32c/m32c.c (m32c_legitimize_address): Standardize. + * config/m32r/m32r.c (m32r_legitimize_address): New. + * config/m68k/m68k.c (m68k_legitimize_address): New. + * config/score/score.c (score_legitimize_address): Standardize. + * config/score/score3.c (score3_legitimize_address): Standardize. + * config/score/score3.h (score3_legitimize_address): Adjust. + * config/score/score7.c (score7_legitimize_address): Standardize. + * config/score/score7.h (score7_legitimize_address): Adjust. + * config/sh/sh.c (sh_legitimize_address): New. + * config/iq2000/iq2000.c (iq2000_legitimize_address): New. + + * gcc/config/s390/s390.c (legitimize_address): Rename to... + (s390_legitimize_address): ... this. + * gcc/config/sparc/sparc.c (legitimize_address): Rename to... + (sparc_legitimize_address): ... this. + * gcc/config/i386/i386.c (legitimize_address): Rename to... + (ix86_legitimize_address): ... this. + * gcc/config/avr/avr.c (legitimize_address): Rename to... + (avr_legitimize_address): ... this. + * gcc/config/mn10300/mn10300.c (legitimize_address): Rename to... + (mn10300_legitimize_address): ... this. + * config/alpha/alpha.c (alpha_legitimize_address): Wrap... + (alpha_legitimize_address_1): ... the old alpha_legitimize_address. + (alpha_expand_mov): Adjust call. + + * config/frv/frv.c (frv_legitimize_address): Return x on failure. + * config/spu/spu.c (spu_legitimize_address): Likewise. + * config/xtensa/xtensa.c (xtensa_legitimize_address): Likewise. + * config/rs6000/rs6000.c (rs6000_legitimize_address): Likewise. + +2009-05-04 Joseph Myers <joseph@codesourcery.com> + + * intl.c (locale_encoding, locale_utf8): New. + (gcc_init_libintl): Initialize locale_encoding and locale_utf8. + * intl.h (locale_encoding, locale_utf8): Declare. + * pretty-print.c: Include ggc.h. Include iconv.h if HAVE_ICONV. + (pp_base_tree_identifier, decode_utf8_char, identifier_to_locale): + New. + * pretty-print.h (pp_identifier): Call identifier_to_locale on ID + argument. + (pp_tree_identifier): Define to call pp_base_tree_identifier. + (pp_base_tree_identifier): Declare as function. + (identifier_to_locale): Declare. + * Makefile.in (pretty-print.o): Update dependencies. + * varasm.c (finish_aliases_1): Use %qE for identifiers in diagnostics. + +2009-05-04 Richard Guenther <rguenther@suse.de> + + PR middle-end/40015 + * builtins.c (fold_builtin_memory_op): Do not decay to element + type if the size matches the whole array. + +2009-05-04 Kazu Hirata <kazu@codesourcery.com> + + * expmed.c (synth_mult): When trying out a shift, pass the result + of a signed shift. + +2009-05-04 Kazu Hirata <kazu@codesourcery.com> + + * expmed.c (shiftsub_cost): Rename to shiftsub0_cost. + (shiftsub1_cost): New. + (init_expmed): Compute shiftsub1_cost. + (synth_mult): Optimize multiplications by constants of the form + -(2^^m-1) for some constant positive integer m. + +2009-05-03 Richard Guenther <rguenther@suse.de> + + PR c/39983 + * c-typeck.c (array_to_pointer_conversion): Do not built + ADDR_EXPRs of arrays of pointer-to-element type. + * c-gimplify.c (c_gimplify_expr): Revert change fixing + up wrong ADDR_EXPRs after-the-fact. + * c-common.c (strict_aliasing_warning): Strip pointer + conversions for obtaining the original type. + * builtins.c (fold_builtin_memset): Handle array types. + (fold_builtin_memory_op): Handle folded POINTER_PLUS_EXPRs + and array types + +2009-05-03 Richard Guenther <rguenther@suse.de> + + PR middle-end/23329 + * tree-ssa.c (useless_type_conversion_p_1): Use get_deref_alias_set. + Do not lose casts from array types with unknown extent to array + types with known extent. + * tree-ssa-copy.c (may_propagate_copy): Remove hack checking for + alias set compatibility. + +2009-05-03 Manuel López-Ibáñez <manu@gcc.gnu.org> + + * flags.h (extra_warnings): Delete. + * toplev.c (process_options): Handle Wuninitialized here. + * opts.c (extra_warnings): Delete. + (set_Wextra): Delete. + (common_handle_option): -Wextra can be handled automatically. + * c-opts.c (c_common_handle_option): Delete obsolete code. + (c_common_post_options): Simplify comment. + * common.opt (W): Add Var. + (Wextra): Add Var. + (Wuninitialized): Initialize to -1. + +2009-05-03 Adam Nemet <anemet@caviumnetworks.com> + Richard Guenther <rguenther@suse.de> + + * expr.c (get_def_for_expr): New function. + (expand_expr_real_1) <PLUS_EXPR, MINUS_EXPR>: Adjust to work with + SSA rather than trees. + <MULT_EXPR>: Likewise. Use subexp0 and subexp1 instead of + TREE_OPERAND (exp, 0) and TREE_OPERAND (exp, 1). + +2009-05-03 Joseph Myers <joseph@codesourcery.com> + + * c-common.c (reswords): Add _Imaginary. + * c-common.c (enum rid): Add RID_IMAGINARY. + +2009-05-03 Paolo Bonzini <bonzini@gnu.org> + + * tree.h (TYPE_VECTOR_OPAQUE): Fix documentation. + Patch by Richard Guenther. + +2009-05-03 Anatoly Sokolov <aesok@post.ru> + + * defaults.h (FRAME_POINTER_REQUIRED): Provide default. + * doc/tm.texi (FRAME_POINTER_REQUIRED): Revise documentation. + * config/alpha/alpha.h (FRAME_POINTER_REQUIRED): Delete. + * config/s390/s390.h (FRAME_POINTER_REQUIRED): Delete. + * config/spu/spu.h (FRAME_POINTER_REQUIRED): Delete. + * config/sh/sh.h (FRAME_POINTER_REQUIRED): Delete. + * config/pdp11/pdp11.h (FRAME_POINTER_REQUIRED): Delete. + * config/stormy16/stormy16.h (FRAME_POINTER_REQUIRED): Delete. + * config/m68hc11/m68hc11.h (FRAME_POINTER_REQUIRED): Delete. + * config/iq2000/iq2000.h (FRAME_POINTER_REQUIRED): Delete. + * config/mn10300/mn10300.h (FRAME_POINTER_REQUIRED): Delete. + * config/ia64/ia64.h (FRAME_POINTER_REQUIRED): Delete. + * config/m68k/m68k.h (FRAME_POINTER_REQUIRED): Delete. + * config/rs6000/rs6000.h (FRAME_POINTER_REQUIRED): Delete. + * config/picochip/picochip.h (FRAME_POINTER_REQUIRED): Delete. + * config/mcore/mcore.h (FRAME_POINTER_REQUIRED): Delete. + * config/h8300/h8300.h (FRAME_POINTER_REQUIRED): Delete. + * config/v850/v850.h (FRAME_POINTER_REQUIRED): Delete. + +2009-05-02 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/39940 + * tree-ssa-pre.c (eliminate): Make sure we may propagate before + doing so. + +2009-05-02 Richard Guenther <rguenther@suse.de> + + PR middle-end/40001 + * tree-ssa.c (execute_update_addresses_taken): Properly check + if we can mark a variable DECL_GIMPLE_REG_P. + * gimple.c (is_gimple_reg): Re-order check for DECL_GIMPLE_REG_P + back to the end of the function. + (is_gimple_reg_type): Remove complex type special casing. + * gimplify.c (gimplify_bind_expr): Do not set DECL_GIMPLE_REG_P + if not optimizing. + +2009-05-02 Ben Elliston <bje@au.ibm.com> + + * doc/collect2.texi (Collect2): Document search path behaviour + when configured with --with-ld. + +2009-05-02 Jan Hubicka <jh@suse.cz> + + * tree-ssa-coalesce.c (coalesce_cost): Do not take ciritical + parameter; update callers. + (coalesce_cost_edge): EH edges are costier because they needs + splitting even if not critical and even more costier when there are + multiple EH predecestors. + +2009-05-02 Jan Hubicka <jh@suse.cz> + + * except.c (remove_eh_handler_and_replace): Handle updating after + removing TRY blocks. + +2009-05-02 Eric Botcazou <ebotcazou@adacore.com> + + * store-motion.c (compute_store_table): Add ENABLE_CHECKING guard. + +2009-05-02 Steven Bosscher <steven@gcc.gnu.org> + + * varasm.c: Do not include c-pragma.h. + * attribs.c: Do not incude c-common.h. + +2009-05-01 Michael Matz <matz@suse.de> + + * calls.c (initialize_argument_information): Handle SSA names like + decls with a non MEM_P DECL_RTL. + +2009-05-01 Steven Bosscher <steven@gcc.gnu.org> + + * ipa-reference.c: Do not include c-common.h, include splay-tree.h. + * ipa-utils.c: Likewise. + * ipa-type-escape.c: Likewise. + * cgraphunit.c Do not include c-common.h. + * ipa-pure-const.c: Likewise. + * tree-if-conv.c: Likewise. + * matrix-reorg.c: Do not include c-common.h and c-tree.h. + * ipa-struct-reorg.c: Likewise. + * tree-nomudflap.c: Likewise. + * tree-ssa-structalias.c: Likewise. + +2009-05-01 Steven Bosscher <steven@gcc.gnu.org> + + * store-motion.c: Many cleanups to make this pass a first-class + citizen instead of an appendix to gcse load motion. Add TODO list + to make this pass faster/cleaner/better. + + (struct ls_expr): Post gcse.c-split cleanups. + Rename to st_expr. Rename "loads" field to "antic_stores". Rename + "stores" field to "avail_stores". + (pre_ldst_mems): Rename to store_motion_mems. + (pre_ldst_table): Rename to store_motion_mems_table. + (pre_ldst_expr_hash): Rename to pre_st_expr_hash, update users. + (pre_ldst_expr_eq): Rename to pre_st_expr_eq, update users. + (ldst_entry): Rename to st_expr_entry, update users. + (free_ldst_entry): Rename to free_st_expr_entry, update users. + (free_ldst_mems): Rename to free_store_motion_mems, update users. + (enumerate_ldsts): Rename to enumerate_store_motion_mems, + update caller. + (first_ls_expr): Rename to first_st_expr, update users. + (next_ls_expr): Rename to next_st_expr, update users. + (print_ldst_list): Rename to print_store_motion_mems. Print names of + fields properly for store motion instead of names inherited from load + motion in gcse.c. + (ANTIC_STORE_LIST, AVAIL_STORE_LIST): Remove. + (LAST_AVAIL_CHECK_FAILURE): Explain what this is. Undefine when we + are done with it. + + (ae_kill): Rename to st_kill, update users. + (ae_gen): Rename to st_avloc, update users. + (transp): Rename to st_transp, update users. + (pre_insert_map): Rename to st_insert_map, update users. + (pre_delete_map): Rename to st_delete_map, update users. + (insert_store, build_store_vectors, free_store_memory, + one_store_motion_pass): Update for abovementioned changes. + + (gcse_subst_count, gcse_create_count): Remove. + (one_store_motion_pass): New statistics counters "n_stores_deleted" + and "n_stores_created", local variables. + + (extract_mentioned_regs, extract_mentioned_regs_1): Rewrite to + use for_each_rtx. + + (regvec, compute_store_table_current_insn): Remove. + (reg_set_info, reg_clear_last_set): Remove. + (compute_store_table): Use DF caches instead of local dataflow + solvers. + +2009-05-01 Joseph Myers <joseph@codesourcery.com> + + * c-objc-common.c (c_tree_printer): Print identifiers with + pp_identifier, not pp_string. Mark "({anonymous})" for + translation. + * c-pretty-print.c (pp_c_ws_string): New. + (pp_c_cv_qualifier, pp_c_type_specifier, + pp_c_specifier_qualifier_list, pp_c_parameter_type_list, + pp_c_storage_class_specifier, pp_c_function_specifier, + pp_c_attributes, pp_c_bool_constant, pp_c_constant, + pp_c_primary_expression, pp_c_postfix_expression, + pp_c_unary_expression, pp_c_shift_expression, + pp_c_relational_expression, pp_c_equality_expression, + pp_c_logical_and_expression, pp_c_logical_or_expression): Mostly + use pp_string and pp_c_ws_string in place of pp_identifier and + pp_c_identifier for non-identifiers. Mark English strings for + translation. + * c-pretty-print.h (pp_c_ws_string): Declare. + +2009-04-30 Paul Pluzhnikov <ppluzhnikov@google.com> + Roland McGrath <roland@redhat.com> + + * configure.ac (HAVE_LD_BUILDID): New check for ld --build-id support. + (ENABLE_LD_BUILDID): New configuration option. + * gcc.c [HAVE_LD_BUILDID and ENABLE_LD_BUILDID] + (LINK_BUILDID_SPEC): New macro. + (init_spec): If defined, prepend it between LINK_EH_SPEC and + link_spec. + * doc/install.texi: Document --enable-linker-build-id option. + * configure: Rebuild. + * config.in: Rebuild. + +2009-04-30 Adam Nemet <anemet@caviumnetworks.com> + + * config/mips/mips.h (FRAME_GROWS_DOWNWARD, + MIPS_GP_SAVE_AREA_SIZE): Define new macros. + (STARTING_FRAME_OFFSET): Return 0 if FRAME_GROWS_DOWNWARD. Use + MIPS_GP_SAVE_AREA_SIZE. + * config/mips/mips.c (struct mips_frame_info): Update comment + before arg_pointer_offset and hard_frame_pointer_offset. + (mips_compute_frame_info): Update diagram before function: to + correctly use stack_pointer_rtx for fp_sp_offset and gp_sp_offset, to + indicate the position of frame_pointer_rtx with -fstack-protector and + to show args_size. Don't allocate cprestore area for leaf functions + if FRAME_GROWS_DOWNWARD. Use MIPS_GP_SAVE_AREA_SIZE to set + cprestore_size. + (mips_initial_elimination_offset): Update for FRAME_GROWS_DOWNWARD. + +2009-04-30 Michael Matz <matz@suse.de> + + PR tree-optimization/39955 + * config/rs6000/rs6000.c (rs6000_check_sdmode): Also check SSA_NAMEs. + +2009-04-30 Dave Korn <dave.korn.cygwin@gmail.com> + + * ira.c (setup_cover_and_important_classes): Use safe macro + REG_CLASS_FOR_CONSTRAINT instead of calling regclass_for_constraint + directly. + * genpreds.c (write_tm_preds_h): Output suitable definition of + REG_CLASS_FOR_CONSTRAINT. + +2009-04-30 Rafael Avila de Espindola <espindola@google.com> + + * alloc-pool.c (alloc_pool_descriptor): Use an insert_opion value + instead of an int. + * bitmap.c (bitmap_descriptor): Likewise. + * ggc-common.c (loc_descriptor): Likewise. + * varray.c (varray_descriptor): Likewise. + * vec.c (vec_descriptor): Likewise. + +2009-04-30 Eric Botcazou <ebotcazou@adacore.com> + + * Makefile.in (dce.o): Add $(EXCEPT_H). + * dce.c: Include except.h and delete redundant vector definitions. + (deletable_insn_p): Return false for non-call insns that can throw + if DF is running. + +2009-04-30 Steven Bosscher <steven@gcc.gnu.org> + + * gcse.c (ae_gen): Remove. + (can_assign_to_reg_p): Rename to can_assign_to_reg_without_clobbers_p + and make non-static function to make it available in store-motion.c. + Update call sites with search-and-replace. + (enumerate_ldsts, reg_set_info, reg_clear_last_set, store_ops_ok, + extract_mentioned_regs, extract_mentioned_regs_helper, + find_moveable_store, compute_store_table, load_kills_store, find_loads, + store_killed_in_insn, store_killed_after, store_killed_before, + build_store_vectors, insert_insn_start_basic_block, insert-store, + remove_reachable_equiv_notes, replace_store_insn, delete_store, + free_store_memory, one_store_motion_pass, gate_rtl_store_motion, + execute_rtl_store_motion, pass_rtl_store_motion): Move to... + * store-motion.c: ...new file. Also copy data structures from gcse.c + and clean up to remove parts not used by store motion. + * rtl.h (can_assign_to_reg_without_clobbers_p): Add prototype. + * Makefile.in (store-motion.o): New rule. Add to OBJS-common. + +2009-04-30 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com> + + PR target/38571 + * config/arm/arm.h (FUNCTION_BOUNDARY): Set to 16 for thumb + when optimizing for size. + +2009-04-30 Hans-Peter Nilsson <hp@axis.com> + + * gcse.c (gcse_constant_p): Fix typo in last change. + +2009-04-30 Rafael Avila de Espindola <espindola@google.com> + + * plugin.c: Include plugin-version.h only if ENABLE_PLUGIN is defined. + +2009-04-30 Andreas Krebbel <krebbel1@de.ibm.com> + + * gcse.c (gcse_constant_p): Make sure the constant is sharable. + +2009-04-29 James E. Wilson <wilson@codesourcery.com> + + * config/mips/mips.c (mips_add_offset): Use gen_int_mode for + CONST_HIGH_PART result. + +2009-04-29 Anatoly Sokolov <aesok@post.ru> + + * config/avr/avr.c (initial_elimination_offset): Rename to + avr_initial_elimination_offset. + (frame_pointer_required_p): Rename to avr_frame_pointer_required_p, + change return type to bool. + (avr_can_eliminate): New function. + * config/avr/avr.h (CAN_ELIMINATE): Use avr_can_eliminate. + (FRAME_POINTER_REQUIRED): Use avr_frame_pointer_required_p. + (INITIAL_ELIMINATION_OFFSET): Use avr_initial_elimination_offset. + * config/avr/avr-protos.h (initial_elimination_offset): Rename to + avr_initial_elimination_offset. + (frame_pointer_required_p): Rename to avr_frame_pointer_required_p. + (avr_initial_elimination_offset): Define. + +2009-04-29 Eric Botcazou <ebotcazou@adacore.com> + Steven Bosscher <steven@gcc.gnu.org> + + PR rtl-optimization/39938 + * Makefile.in (cfgrtl.o): Add $(INSN_ATTR_H). + * cfgrtl.c: Include insn-attr.h. + (rest_of_pass_free_cfg): New function. + (pass_free_cfg): Use rest_of_pass_free_cfg as execute function. + * resource.c (init_resource_info): Remove call to df_analyze. + +2009-04-29 Richard Guenther <rguenther@suse.de> + + PR target/39943 + * config/i386/i386.c (ix86_vectorize_builtin_conversion): Only + allow conversion to signed integers. + +2009-04-29 Richard Guenther <rguenther@suse.de> + + * tree-cfg.c (verify_gimple_assign_binary): Allow vector + shifts of floating point vectors if the shift amount is + a constant multiple of the element size. + +2009-04-29 Andreas Krebbel <krebbel1@de.ibm.com> + Michael Matz <matz@suse.de> + + PR middle-end/39927 + PR bootstrap/39929 + * tree-outof-ssa.c (emit_partition_copy): New function. + (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge, + insert_part_to_rtx_on_edge): Perform the partition base var + copy using emit_partition_copy. + (insert_value_copy_on_edge): Convert constants to the right mode. + (insert_rtx_to_part_on_edge): Add UNSIGNEDSRCP parameter. + (elim_create): Pass the sign of the src to insert_rtx_to_part_on_edge. + +2009-04-29 Bernd Schmidt <bernd.schmidt@analog.com> + + * config/bfin/bfin.c (bfin_optimize_loop): If we need a scratch reg, + scan backwards to try to find a constant to initialize it. + + * config/bfin/bfin.c (bfin_optimize_loop): When looking for the last + insn before the loop_end instruction, don't look past labels. + +2009-04-29 Richard Guenther <rguenther@suse.de> + + PR middle-end/39937 + * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not + loose type conversions. + (forward_propagate_addr_expr): Fix tuplification bug. Remove + stmts only if there are no uses of its definition. + +2009-04-29 Bernd Schmidt <bernd.schmidt@analog.com> + + * config/bfin/bfin.h (splitting_loops): Declare. + * config/bfin/bfin-protos.h (WA_05000257, WA_05000283, WA_05000315): + Reorder bit definitions to be ascending. + (WA_LOAD_LCREGS, ENABLE_WA_LOAD_LCREGS): New macros. + * config/bfin/bfin.c (splitting_loops): New variable. + (bfin_cpus): Add WA_LOAD_LCREGS as needed. + (struct loop_info): Remove members INIT and LOOP_INIT. + (bfin_optimize_loop): Don't set them. Reorder the code that generates + the LSETUP sequence. Allow LC to be loaded from any register, but + also add a case to push/pop a PREG scratch if ENABLE_WA_LOAD_LCREGS. + (bfin_reorg_loops): When done, split all BB_ENDs with splitting_loops + set to 1. + * config/bfin/bfin.md (loop_end splitter): Use splitting_loops instead + of reload_completed. + + From Jie Zhang: + * config/bfin/bfin.md (movsi_insn): Refine constraints. + +2009-04-29 Rafael Avila de Espindola <espindola@google.com> + + * Makefile.in (PLUGIN_VERSION_H): New. + (OBJS-common): Remove plugin-version.o. + (plugin.o): Depend on (PLUGIN_VERSION_H). + (plugin-version.o): Remove. + * configure: Regenerate + * configure.ac: Create plugin-version.h. + * gcc-plugin.h (plugin_gcc_version): Remove. + (plugin_default_version_check): Change signature. + * plugin-version.c: Remove. + * plugin.c: Include plugin-version.h. + (str_plugin_gcc_version_name): Remove. + (try_init_one_plugin): Pass gcc version to plugin_init. + (plugin_default_version_check): Both gcc and plugin versions are now + arguments. + +2009-04-29 Bernd Schmidt <bernd.schmidt@analog.com> + + * config/bfin/bfin.c (bfin_optimize_loop): Unify handling of + problematic last insns. Test for TYPE_CALL rather than CALL_P. + Remove special case testing for last insn of inner loops. Don't fail + if the loop ends with a jump, emit an extra nop instead. + + * config/bfin/bfin.c (bfin_register_move_cost): Test for subsets of + DREGS rather than comparing directly. Remove code that tries to + account for latencies. + +2009-04-29 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/39941 + * tree-ssa-pre.c (eliminate): Schedule update-ssa after + eliminating an indirect call. + +2009-04-29 Richard Guenther <rguenther@suse.de> + + * tree-cfg.c (verify_types_in_gimple_reference): Add require_lvalue + parameter. Allow invariants as base if !require_lvalue. + (verify_gimple_assign_single): Adjust. + +2009-04-29 Bernd Schmidt <bernd.schmidt@analog.com> + + * config/bfin/bfin.md (sp_or_sm, spm_string, spm_name): New macro. + (ss<spm_name>hi3, ss<spm_name>hi3_parts, ss<spm_name>hi3_low_parts, + ss<spm_name_hi3_high_parts): New patterns, replacing ssaddhi3, + ssubhi3, ssaddhi3_parts and sssubhi3_parts. + (flag_mulhi3_parts): Produce a HImode output rather than trying to set + a VEC_SELECT. + * config/bfin/bfin.c (bfin_expand_builtin, + case BFIN_BUILTIN_CPLX_SQU): Adjust accordingly. + +2009-04-28 Richard Guenther <rguenther@suse.de> + + * tree-vect-loop.c (get_initial_def_for_induction): Use + correct types for pointer increment. + +2009-04-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * toplev.c (print_version): Update GMP version string calculation. + +2009-04-28 Eric Botcazou <ebotcazou@adacore.com> + + PR rtl-optimization/39938 + * resource.c (init_resource_info): Add call to df_analyze. + +2009-04-28 Uros Bizjak <ubizjak@gmail.com> + + * config/alpha/alpha.md (usegp): Cast the result of + alpha_find_lo_sum_using_gp to enum attr_usegp. + * config/alpha/alpha.c (override_options): Remove end-of-structure + marker element from cpu_table. Use array size of cpu_table to handle + -mcpu and -mtune options. + (tls_symbolic_operand_type): Change 0 to TLS_MODEL_NONE. + +2009-04-28 Joseph Myers <joseph@codesourcery.com> + + * config.gcc (powerpc*-*-* | rs6000-*-*): Add + rs6000/option-defaults.h to tm_file. Support cpu_32, cpu_64, + tune_32 and tune_64. + * doc/install.texi (--with-cpu-32, --with-cpu-64): Document + support on PowerPC. + * config/rs6000/rs6000.h (OPTION_DEFAULT_SPECS): Move to ... + * config/rs6000/option-defaults.h: ... here. New file. + (OPT_64, OPT_32): Define. + (MASK_64BIT): Define to 0 if not already defined. + (OPT_ARCH64, OPT_ARCH32): Define. + (OPTION_DEFAULT_SPECS): Add entries for cpu_32, cpu_64, tune_32 + and tune_64. + +2009-04-28 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com> + + * config/arm/arm.c (arm_override_options): Emit error on using + fpa with AAPCS. + +2009-04-28 Uros Bizjak <ubizjak@gmail.com> + + PR rtl-optimization/39914 + * ira-conflicts.c (ira_build_conflicts): Prohibit call used + registers for allocnos created from user-defined variables only + when not optimizing. + +2009-04-28 Richard Guenther <rguenther@suse.de> + + PR middle-end/39937 + * fold-const.c (fold_binary): Use distribute_real_division only + on float types. + +2009-04-28 Steve Ellcey <sje@cup.hp.com> + + * config.gcc (hppa*64*-*-hpux11*): Set use_gcc_stdint and + add hpux-stdint.h to tm_file. + (hppa[12]*-*-hpux11*): Ditto. + (ia64*-*-hpux*): Ditto. + * config/hpux-stdint.h: New. + * config/ia64/hpux.h (TARGET_OS_CPP_BUILTINS): Set + __STDC_EXT__ for all compiles. + * config/pa/pa-hpux.h: Ditto. + * config/pa/pa-hpux10.h: Ditto. + * config/pa/pa-hpux11.h: Ditto. + +2009-04-28 Catherine Moore <clm@codesourcery.com> + + * debug.h (set_name): Add comment. + +2009-04-28 Andrew Pinski <pinskia@gmail.com> + + PR target/39929 + * config/darwin.c (machopic_gen_offset): Check + currently_expanding_to_rtl if current_ir_type returns IR_GIMPLE. + * config/arm/arm.c (require_pic_register): Likewise. + +2009-04-28 Paolo Bonzini <bonzini@gnu.org> + + * config/m32c/m32c.c (TARGET_PROMOTE_FUNCTION_RETURN, + m32c_promote_function_return, TARGET_PROMOTE_PROTOTYPES, + m32c_promote_prototypes): Delete. + +2009-04-28 Michael Matz <matz@suse.de> + + PR middle-end/39922 + * tree-outof-ssa.c (insert_value_copy_on_edge): Don't convert + constants. + +2009-04-28 Richard Guenther <rguenther@suse.de> + + * tree-vect-stmts.c (vect_get_vec_def_for_operand): Fix type error. + +2009-04-28 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com> + + * config/arm/arm-cores.def: Add support for arm1156t2f-s. + * doc/invoke.texi (ARM Options): Document support for arm1156t2f-s. + * config/arm/arm-tune.md: Regenerate. + +2009-04-28 Alexander Monakov <amonakov@ispras.ru> + + * sel-sched-ir.c (maybe_tidy_empty_bb): Do not attempt to delete a + block if there are complex incoming edges. + (sel_merge_blocks): Remove useless assert. + (sel_redirect_edge_and_branch): Check that edge was redirected. + * sel-sched-ir.h (_eligible_successor_edge_p): Remove assert. + (sel_find_rgns): Delete declaration. + * sel-sched.c (purge_empty_blocks): Attempt to remove first block of + the region when it is not a preheader. + +2009-04-28 Uros Bizjak <ubizjak@gmail.com> + + PR c/39323 + * config/alpha/elf.h (MAX_OFILE_ALIGNMENT): Sync with elfos.h + +2009-04-28 Richard Guenther <rguenther@suse.de> + + * tree.h (SSA_NAME_VALUE): Remove. + (struct tree_ssa_name): Remove value_handle member. + * tree-vrp.c (execute_vrp): Initialize/free the value-handle + array for jump threading. + * tree-ssa-propagate.c (ssa_prop_init): Do not initialize + SSA_NAME_VALUEs. + * print-tree.c (print_node): Do not dump SSA_NAME_VALUEs. + * tree-flow.h (threadedge_initialize_values): Declare. + (threadedge_finalize_values): Likewise. + * tree-ssa-threadedge.c (ssa_name_values): New global variable. + (SSA_NAME_VALUE): Define. + (threadedge_initialize_values): New function. + (threadedge_finalize_values): Likewise. + * tree-ssa-dom.c (ssa_name_values): New global variable. + (SSA_NAME_VALUE): Define. + (tree_ssa_dominator_optimize): Initialize/free the value-handle array. + +2009-04-28 Ira Rosen <irar@il.ibm.com> + + * tree-vect-loop-manip.c (vect_create_cond_for_alias_checks): + Use REPORT_VECTORIZED_LOCATIONS instead + REPORT_VECTORIZED_LOOPS. + * tree-vectorizer.c (vect_verbosity_level): Make static. + (vect_loop_location): Rename to vect_location. + (vect_set_verbosity_level): Update comment. + (vect_set_dump_settings): Use REPORT_VECTORIZED_LOCATIONS + and vect_location. + (vectorize_loops): Fix comment. Use REPORT_VECTORIZED_LOCATIONS + and vect_location. Use REPORT_UNVECTORIZED_LOCATIONS + instead REPORT_UNVECTORIZED_LOOPS. + * tree-vectorizer.h (enum vect_def_type): Rename vect_invariant_def + and vect_loop_def to vect_external_def and vect_internal_def. + (enum verbosity_levels): Rename REPORT_VECTORIZED_LOOPS + and REPORT_UNVECTORIZED_LOOPS to REPORT_VECTORIZED_LOCATIONS and + REPORT_UNVECTORIZED_LOCATIONS. + (enum vect_relevant): Update comment. Rename vect_unused_in_loop + and vect_used_in_loop and to vect_unused_in_scope and + vect_used_in_scope. + (STMT_VINFO_RELEVANT_P): Use vect_unused_in_scope. + (vect_verbosity_level): Remove declaration. + (vect_analyze_operations): Likewise. + (vect_analyze_stmt): Declare. + * tree-vect-loop.c (vect_determine_vectorization_factor): Use + REPORT_UNVECTORIZED_LOCATIONS. + (vect_get_loop_niters): Fix indentation. + (vect_analyze_loop_form): Use REPORT_UNVECTORIZED_LOCATIONS. + (vect_analyze_loop_operations): New function. + (vect_analyze_loop): Call vect_analyze_loop_operations instead of + vect_analyze_operations. + (vect_is_simple_reduction): Use new names. + (vectorizable_live_operation, vect_transform_loop): Likewise. + * tree-vect-data-refs.c (vect_check_interleaving): Add a return value + to specify whether the data references can be a part of interleaving + chain. + (vect_analyze_data_ref_dependence): Use new names. + (vect_analyze_data_refs_alignment, vect_analyze_data_refs): Likewise. + (vect_create_addr_base_for_vector_ref): Remove redundant code. + * tree-vect-patterns.c (widened_name_p): Use new names. + (vect_recog_dot_prod_pattern): Likewise. + * tree-vect-stmts.c (vect_stmt_relevant_p): Use new names. + (process_use, vect_mark_stmts_to_be_vectorized, + vect_model_simple_cost, vect_model_store_cost, + vect_get_vec_def_for_operand, vect_get_vec_def_for_stmt_copy, + vectorizable_call, vectorizable_conversion, vectorizable_assignment, + vectorizable_operation, vectorizable_type_demotion, + vectorizable_type_promotion, vectorizable_store, vectorizable_load, + vectorizable_condition): Likewise. + (vect_analyze_operations): Split into vect_analyze_loop_operations + and ... + (vect_analyze_stmt): ... new function. + (new_stmt_vec_info): Use new names. + (vect_is_simple_use): Use new names and fix comment. + * tree-vect-slp.c (vect_get_and_check_slp_defs): Use new names. + (vect_build_slp_tree, vect_analyze_slp, vect_schedule_slp): Likewise. + +2009-04-28 Uros Bizjak <ubizjak@gmail.com> + + PR target/39911 + * config/i386/i386.c (print_operand) ['Z']: Handle floating point + and integer modes for x87 operands. Do not ICE for unsupported size, + generate error instead. Generate error for unsupported operand types. + ['z']: Do not handle HImode memory operands specially. Warning + for floating-point operands. Fallthru to 'Z' for unsupported operand + types. Do not ICE for unsupported size, generate error instead. + (output_387_binary_op): Use %Z to output operands. + (output_fp_compare): Ditto. + (output_387_reg_move): Ditto. + +2009-04-28 Ben Elliston <bje@au.ibm.com> + + PR c++/35652 + Revert: + + 2009-03-27 Manuel Lopez-Ibanez <manu@gcc.gnu.org> + + * builtins.c (c_strlen): Do not warn here. + * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum. + * c-common.c (pointer_int_sum): Take an explicit location. + Warn about offsets out of bounds. + * c-common.h (pointer_int_sum): Adjust declaration. + +2009-04-27 Ian Lance Taylor <iant@google.com> + + * collect2.c (is_ctor_dtor): Change type of ret field in struct + names to symkind. + * dce.c (run_fast_df_dce): Change type of old_flags to int. + * df-core.c (df_set_flags): Change return type to int. Change + type of old_flags to int. + (df_clear_flags): Likewise. + * df-scan.c (df_def_record_1): Change 0 to VOIDmode. + (df_get_conditional_uses): Likewise. + * df.h (df_set_flags, df_clear_flags): Update declarations. + * dwarf2out.c (struct indirect_string_node): Change type of form + field to enum dwarf_form. + (AT_string_form): Change return type to enum dwarf_form. + * fixed-value.c (fixed_compare): Add cast to enum type. + * fwprop.c (update_df): Change 0 to VOIDmode. + * gensupport.c: Change 0 to UNKNOWN. + * gimple.h (gimple_cond_code): Add cast to enum type. + * haifa-sched.c (reemit_notes): Add cast to enum type. + * hooks.c (hook_int_void_no_regs): Remove function. + * hooks.h (hook_int_void_no_regs): Remove declaration. + * optabs.c (expand_widen_pattern_expr): Change 0 to VOIDmode. + * predict.c (combine_predictions_for_insn): Add casts to enum type. + * real.c (real_arithmetic): Add cast to enum type. + (real_compare): Likewise. + * target.h (struct gcc_target): Change return type of + branch_target_register_class to enum reg_class. + * target-def.h (TARGET_BRANCH_TARGET_REGISTER_CLASS): Define as + default_branch_target_register_class. + * targhooks.c (default_branch_target_register_class): New function. + * targhooks.h (default_branch_target_register_class): Declare. + * tree-data-ref.c (print_direction_vector): Add cast to enum type. + * tree-vect-data-refs.c (vect_supportable_dr_alignment): Remove + cast to int. + * tree-vect-loop.c (vect_create_epilog_for_reduction): Change 0 to + ERROR_MARK. + * tree-vect-slp.c (vect_build_slp_tree): Change 0 to + vect_uninitialized_def. Change 0 to ERROR_MARK. + * tree-vect-stmts.c (supportable_widening_operation): Don't + initialize icode1 and icode2. + * tree-vectorizer.h (enum vect_def_type): Add vect_uninitialized_def. + * config/sol2-c.c (cmn_err_length_specs): Change 0 to FMT_LEN_none + and to STD_C89. + (cmn_err_flag_specs): Change 0 to STD_C89. + (cmn_err_char_table): Likewise. + * config/arm/arm.c (get_arm_condition_code): Change type of code + to enum arm_cond_code. + (IWMMXT_BUILTIN): Change 0 to UNKNOWN. + (IWMMXT_BUILTIN2): Likewise. + (neon_builtin_type_bits): Don't define typedef. + (neon_builtin_datum): Change type of bits field to int. + (arm_expand_neon_args): Add cast to enum type. + * config/ia64/ia64.c (tls_symbolic_operand_type): Change 0 to + TLS_MODEL_NONE. + * config/i386/i386.c (bdesc_multi_arg): Change 0 to UNKNOWN. Add + casts to enum type. + * config/mips/mips.c (LOONGSON_BUILTIN_ALIAS): Change 0 to + MIPS_FP_COND_f. + * config/mips/mips.md (jal_macro): Return enum constant. + (single_insn): Likewise. + * config/rs6000/rs6000.c (bdesc_altivec_preds): Change 0 to + CODE_FOR_nothing. + * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add + casts to enum type. + * config/s390/s390.c (s390_tune_flags): Change type to int. + (s390_arch_flags): Likewise. + (s390_handle_arch_option): Change flags field of struct pta to int. + * config/s390/s390.h (s390_tune_flags): Update declaration. + (s390_arch_flags): Likewise. + * config/sh/sh.c (prepare_move_operands): Compare + tls_symbolic_operand result with enum constant. + (sh_reorg): Change PUT_MODE to PUT_REG_NOTE_KIND. + (sh_expand_prologue): Add cast to enum type. + (sh_expand_epilogue): Likewise. + (tls_symbolic_operand): Change return type to enum tls_model. + (fpscr_set_from_mem): Add cast to enum type. + (legitimize_pic_address): Compare tls_symbolic_operand result with + enum constant. + (sh_target_reg_class): Change return type to enum reg_class. + * config/sh/sh.h (OVERRIDE_OPTIONS): Change CPU_xxx to + PROCESSOR_xxx. + * config/sh/sh-protos.h (tls_symbolic_operand): Update declaration. + * config/sparc/sparc.c (sparc_override_options): Add cast to enum type. + * config/sparc/sparc.md (empty_delay_slot): Return enum constant. + (pic, calls_alloca, calls_eh_return, leaf_function): Likewise. + (delayed_branch, tls_call_delay): Likewise. + (eligible_for_sibcall_delay): Likewise. + (eligible_for_return_delay): Likewise. + * config/spu/spu.c (expand_builtin_args): Add cast to enum type. + (spu_expand_builtin_1): Likewise. + + * c-typeck.c (convert_for_assignment): Issue -Wc++-compat warnings + for all types of conversions. + (output_init_element): Issue -Wc++-compat warning if needed when + initializing a bitfield with enum type. + * c-parser.c (c_parser_expression): Set original_type to + original_type of right hand operand of comma operator. + +2009-04-27 Ralf Wildenhues <Ralf.Wildenhues@gmx.de> + + * doc/c-tree.texi (Types, Functions, Expression trees): Fix + grammar nits. + * doc/cfg.texi (Maintaining the CFG, Liveness information): Likewise. + * doc/cpp.texi (Standard Predefined Macros) + (Implementation-defined behavior): Likewise. + * doc/extend.texi (Function Attributes, Type Attributes): Likewise. + * doc/gimple.texi (GIMPLE Exception Handling) + (@code{GIMPLE_ASSIGN}): Likewise. + * doc/install.texi (Prerequisites, Configuration, Specific): Likewise. + * doc/invoke.texi (Warning Options, Optimize Options) + (AVR Options, Darwin Options): Likewise. + (Optimize Options): Reformulate -fwhole-program description. + * doc/loop.texi (Lambda): Likewise. + * doc/md.texi (Output Template, Define Constraints) + (Standard Names, Insn Splitting): Likewise. + * doc/options.texi (Option properties): Likewise. + * doc/passes.texi (Tree-SSA passes): Likewise. + * doc/rtl.texi (Side Effects, Assembler, Insns): Likewise. + * doc/tm.texi (Register Classes, Old Constraints, Scalar Return) + (File Names and DBX): Likewise. + * doc/trouble.texi (Incompatibilities): Likewise. + +2009-04-27 Trevor Smigiel <trevor_smigiel@playstation.sony.com> + + * spu.c (spu_machine_dependent_reorg): Make sure branch label on hint + instruction is correct. + +2009-04-27 Trevor Smigiel <trevor_smigiel@playstation.sony.com> + + Allow non-constant arguments to conversion intrinsics. + * spu-protos.h (exp2_immediate_p, spu_gen_exp2): Declare. + * predicates.md (spu_inv_exp2_operand, spu_exp2_operand): New. + * spu.c (print_operand): Handle 'v' and 'w'. + (exp2_immediate_p, spu_gen_exp2): Define. + * spu-builtins.def (spu_convts, spu_convtu, spu_convtf_0, + spu_convtf_1): Update parameter descriptions. + * spu-builtins.md (spu_csflt, spu_cuflt, spu_cflts, spu_cfltu): Update. + * constraints.md ('v', 'w'): New. + * spu.md (UNSPEC_CSFLT, UNSPEC_CFLTS, UNSPEC_CUFLT, UNSPEC_CFLTU): + Remove. + (i2f, I2F): New define_mode_attr. + (floatsisf2, floatv4siv4sf2, fix_truncsfsi2, fix_truncv4sfv4si2, + floatunssisf2, floatunsv4siv4sf2, fixuns_truncsfsi2, + fixuns_truncv4sfv4si2): Update to use mode attribute. + (float<mode><i2f>2_mul, float<mode><i2f>2_div, + fix_trunc<mode><f2i>2_mul, floatuns<mode><i2f>2_mul, + floatuns<mode><i2f>2_div, fixuns_trunc<mode><f2i>2_mul): New + patterns for combine. + +2009-04-27 Steven Bosscher <steven@gcc.gnu.org> + + * dbgcnt.def (cprop1, cprop2, gcse, jump_bypass): Remove + (cprop, hoist, pre, store_motion): New debug counters. + * tree-pass.h (pass_tracer): Move to list of gimple passes, it + is not an RTL pass anymore. + (pass_profiling): Remove extern decl for pass removed in 2005. + (pass_gcse, pass_jump_bypass): Remove. + * final.c (rest_of_clean_state): Set flag_rerun_cse_after_global_opts + to 0 for clean state. + * toplev.h (flag_rerun_cse_after_global_opts): Add extern declaration. + * cse.c (gate_handle_cse_after_global_opts, + rest_of_handle_cse_after_global_opts): New functions. + (pass_cse_after_global_opts): New pass, does local CSE. + * timevar.def (TV_GCSE, TV_CPROP1, TV_CPROP2, TV_BYPASS): Remove. + (TV_CPROP): New timevar. + * gcse.c (flag_rerun_cse_after_global_opts): New global variable. + (run_jump_opt_after_gcse, max_gcse_regno): Remove global vars. + (gcse_main, recompute_all_luids): Remove. + (compute_hash_table_work): Call max_reg_num instead of reading + max_gcse_regno. + (cprop_jump): Don't set run_jump_opt_after_gcse. + (constprop_register): Always allow to alter jumps. + (cprop_insn): Likewise. + (do_local_cprop): Likewise. + (local_cprop_pass): Likewise. Return non-zero if something changed. + (cprop): Remove function, fold interesting bits into one_cprop_pass. + (find_implicit_sets): Add note about missed optimization opportunity. + (one_cprop_pass): Rewrite to be "the" CPROP pass, called from the + pass_rtl_cprop execute function. + Don't bother tracking the pass number, each pass gets its own dumpfile + now anyway. + Always allow to alter jumpsand bypass jumps. + (bypass_block): Don't ignore regno >= max_gcse_regno, find_bypass_set + will just find no suitable set. + (pre_edge_insert): Fix dumping, this function is for PRE only. + (one_pre_gcse_pass): Rewrite to be "the" PRE pass, called from the + pass_rtl_pre execute function. + (hoist_code): Return non-zero if something changed. Keep track of + substitutions and insertions for statistics gathering similar to PRE. + (one_code_hoisting_pass): Rewrite to be "the" code hoisting pass, + called from the pass_rtl_hoist execute function. Show pass statistics. + (compute_store_table): Use max_reg_num directly instead of using the + formerly global max_gcse_regno. + (build_store_vectors): Likewise. + (replace_store_insn): Fix dumping. + (store_motion): Rename to ... + (one_store_motion_pass): ... this. Rewrite to be "the" STORE_MOTION + pass, called from the pass_rtl_store_motion execute function. Keep + track of substitutions and insertions for statistics gathering similar + to PRE. + (bypass_jumps): Remove, fold interesting bits into ... + (one_cprop_pass): ... this. Rewrite to be "the" CPROP pass, called + from the pass_rtl_cprop execute function. + (gate_handle_jump_bypass, rest_of_handle_jump_bypass, + pass_jump_bypass): Remove. + (gate_handle_gcse, rest_of_handle_gcse): Remove. + (gate_rtl_cprop, execute_rtl_cprop, pass_rtl_cprop): New. + (gate_rtl_pre, execute_rtl_pre, pass_rtl_pre): New. + (gate_rtl_hoist, execute_rtl_hoist, pass_rtl_hoist): New. + (gate_rtl_store_motion, execute_rtl_store_motion, + pass_rtl_store_motion): New. + * common.opt: Remove flag_cse_skip_blocks, adjust documentation to + make it clear that -fcse-skip-blocks is a no-op for backward compat. + * passes.c (init_optimization_passes): Remove pass_gcse and + pass_jump_bypass. Schedule cprop, pre, hoist, cprop, store_motion, + and cse_after_global_opts in place of pass_gcse. Schedule cprop + instead of pass_jump_bypass. + +2009-04-27 Richard Guenther <rguenther@suse.de> + + PR middle-end/39928 + * gimplify.c (gimplify_expr): If we are required to create + a temporary make sure it ends up as register. + +2009-04-27 H.J. Lu <hongjiu.lu@intel.com> + + PR target/39903 + * config/i386/i386.c (construct_container): Don't call + gen_reg_or_parallel with BLKmode on X86_64_SSE_CLASS, + X86_64_SSESF_CLASS and X86_64_SSEDF_CLASS. + +2009-04-27 Michael Matz <matz@suse.de> + + * ssaexpand.h (struct ssaexpand): Member 'values' is a bitmap. + (get_gimple_for_ssa_name): Adjust, lookup using SSA_NAME_DEF_STMT. + * tree-ssa-live.h (find_replaceable_exprs): Return a bitmap. + (dump_replaceable_exprs): Take a bitmap. + * cfgexpand.c (gimple_cond_pred_to_tree): Handle bitmap instead of + array. + (expand_gimple_basic_block): Likewise. + * tree-ssa-ter.c (struct temp_expr_table_d): Make + replaceable_expressions member a bitmap. + (free_temp_expr_table): Pass back and deal with bitmap, not gimple*. + (mark_replaceable): Likewise. + (find_replaceable_in_bb, dump_replaceable_exprs): Likewise. + * tree-outof-ssa.c (remove_ssa_form): 'values' is a bitmap. + +2009-04-27 Richard Guenther <rguenther@suse.de> + + * tree-cfg.c (remove_useless_stmts): Verify stmts afterwards. + (verify_stmts): Dispatch to gimple/type verification code. + * tree-inline.c (remap_gimple_op_r): Work around C++ FE + issue with call argument types. + +2009-04-27 Michael Matz <matz@suse.de> + + * tree-into-ssa.c (regs_to_rename, mem_syms_to_rename): Remove. + (init_update_ssa, delete_update_ssa, update_ssa): Remove references + to above. + +2009-04-27 Richard Sandiford <rdsandiford@googlemail.com> + Eric Botcazou <ebotcazou@adacore.com> + + * resource.c (find_basic_block): Use BLOCK_FOR_INSN to look up + a label's basic block. + (mark_target_live_regs): Tidy and rework obsolete comments. + Change back DF problem to LIVE. If a label starts a basic block, + assume that all registers that used to be live then still are. + (init_resource_info): If a label starts a basic block, set its + BLOCK_FOR_INSN accordingly. + (fini_resource_info): Undo the setting of BLOCK_FOR_INSN. + +2009-04-27 Richard Guenther <rguenther@suse.de> + + * tree-flow-inline.h (function_ann): Remove. + (get_function_ann): Likewise. + * tree-dfa.c (create_function_ann): Remove. + * tree-flow.h (struct static_var_ann_d): Remove. + (struct function_ann_d): Likewise. + (union tree_ann_d): Remove fdecl member. + (function_ann_t): Remove. + (function_ann, get_function_ann, create_function_ann): Remove + declarations. + +2009-04-27 Uros Bizjak <ubizjak@gmail.com> + + * config/alpha/alpha.c (code_for_builtin): Declare as enum insn_code. + +2009-04-27 Jan Hubicka <jh@suse.cz> + + * ipa-pure-const.c (struct funct_state_d): New fields + state_previously_known, looping_previously_known; remove + state_set_in_source. + (analyze_function): Use new fields. + (propagate): Avoid assumption that state_set_in_source imply + nonlooping. + + * tree-ssa-loop-niter.c (finite_loop_p): New function. + * tree-ssa-loop-ivcanon.c (empty_loop_p): Use it. + * cfgloop.h (finite_loop_p): Declare. + +2009-04-26 Michael Matz <matz@suse.de> + + * tree-flow.h (tree_ann_common_d): Remove aux and value_handle members. + +2009-04-26 Michael Matz <matz@suse.de> + + * tree-pass.h (pass_del_ssa, pass_mark_used_blocks, + pass_free_cfg_annotations, pass_free_datastructures): Remove decls. + * gimple-low.c (mark_blocks_with_used_vars, mark_used_blocks, + pass_mark_used_blocks): Remove. + * tree-optimize.c (pass_free_datastructures, + execute_free_cfg_annotations, pass_free_cfg_annotations): Remove. + * passes.c (init_optimization_passes): Don't call + pass_mark_used_blocks, remove dead code. + +2009-04-26 H.J. Lu <hongjiu.lu@intel.com> + + * tree-outof-ssa.c (rewrite_trees): Add ATTRIBUTE_UNUSED. + * tree-ssa-live.h (register_ssa_partition): Likewise. + +2009-04-26 Michael Matz <matz@suse.de> + + Expand from SSA. + * builtins.c (fold_builtin_next_arg): Handle SSA names. + * tree-ssa-copyrename.c (rename_ssa_copies): Use ssa_name() directly. + * tree-ssa-coalesce.c (create_outofssa_var_map): Mark only useful + SSA names. + (compare_pairs): Swap cost comparison. + (coalesce_ssa_name): Don't use change_partition_var. + * tree-nrv.c (struct nrv_data): Add modified member. + (finalize_nrv_r): Set it. + (tree_nrv): Use it to update statements. + (pass_nrv): Require PROP_ssa. + * tree-mudflap.c (mf_decl_cache_locals, + mf_build_check_statement_for): Use make_rename_temp. + (pass_mudflap_2): Require PROP_ssa, run ssa update at finish. + * alias.c (find_base_decl): Handle SSA names. + * emit-rtl (set_reg_attrs_for_parm): Make non-static. + (component_ref_for_mem_expr): Don't leak SSA names into RTL. + * rtl.h (set_reg_attrs_for_parm): Declare. + * tree-optimize.c (pass_cleanup_cfg_post_optimizing): Rename + to "optimized", remove unused locals at finish. + (execute_free_datastructures): Make global, call + delete_tree_cfg_annotations. + (execute_free_cfg_annotations): Don't call + delete_tree_cfg_annotations. + + * ssaexpand.h: New file. + * expr.c (toplevel): Include ssaexpand.h. + (expand_assignment): Handle SSA names the same as register variables. + (expand_expr_real_1): Expand SSA names. + * cfgexpand.c (toplevel): Include ssaexpand.h. + (SA): New global variable. + (gimple_cond_pred_to_tree): Fold TERed comparisons into predicates. + (SSAVAR): New macro. + (set_rtl): New helper function. + (add_stack_var): Deal with SSA names, use set_rtl. + (expand_one_stack_var_at): Likewise. + (expand_one_stack_var): Deal with SSA names. + (stack_var_size_cmp): Use code (SSA_NAME / DECL) as tie breaker + before unique numbers. + (expand_stack_vars): Use set_rtl. + (expand_one_var): Accept SSA names, add asserts for them, feed them + to above subroutines. + (expand_used_vars): Expand all partitions (without default defs), + then only the local decls (ignoring those expanded already). + (expand_gimple_cond): Remove edges when jumpif() expands an + unconditional jump. + (expand_gimple_basic_block): Don't clear EDGE_EXECUTABLE here, + or remove abnormal edges. Ignore insns setting the LHS of a TERed + SSA name. + (gimple_expand_cfg): Call into rewrite_out_of_ssa, initialize + members of SA; deal with PARM_DECL partitions here; expand + all PHI nodes, free tree datastructures and SA. Commit instructions + on edges, clear EDGE_EXECUTABLE and remove abnormal edges here. + (pass_expand): Require and destroy PROP_ssa, verify SSA form, flow + info and statements at start, collect garbage at finish. + * tree-ssa-live.h (struct _var_map): Remove partition_to_var member. + (VAR_ANN_PARTITION) Remove. + (change_partition_var): Don't declare. + (partition_to_var): Always return SSA names. + (var_to_partition): Only accept SSA names. + (register_ssa_partition): Only check argument. + * tree-ssa-live.c (init_var_map): Don't allocate partition_to_var + member. + (delete_var_map): Don't free it. + (var_union): Only accept SSA names, simplify. + (partition_view_init): Mark only useful SSA names as used. + (partition_view_fini): Only deal with SSA names. + (change_partition_var): Remove. + (dump_var_map): Use ssa_name instead of partition_to_var member. + * tree-ssa.c (delete_tree_ssa): Don't remove PHI nodes on RTL + basic blocks. + * tree-outof-ssa.c (toplevel): Include ssaexpand.h and expr.h. + (struct _elim_graph): New member const_dests; nodes member vector of + ints. + (set_location_for_edge): New static helper. + (create_temp): Remove. + (insert_partition_copy_on_edge, insert_part_to_rtx_on_edge, + insert_value_copy_on_edge, insert_rtx_to_part_on_edge): New functions. + (new_elim_graph): Allocate const_dests member. + (clean_elim_graph): Truncate const_dests member. + (delete_elim_graph): Free const_dests member. + (elim_graph_size): Adapt to new type of nodes member. + (elim_graph_add_node): Likewise. + (eliminate_name): Likewise. + (eliminate_build): Don't take basic block argument, deal only with + partition numbers, not variables. + (get_temp_reg): New static helper. + (elim_create): Use it, deal with RTL temporaries instead of trees. + (eliminate_phi): Adjust all calls to new signature. + (assign_vars, replace_use_variable, replace_def_variable): Remove. + (rewrite_trees): Only do checking. + (edge_leader, stmt_list, leader_has_match, leader_match): Remove. + (same_stmt_list_p, identical_copies_p, identical_stmt_lists_p, + init_analyze_edges_for_bb, fini_analyze_edges_for_bb, + contains_tree_r, MAX_STMTS_IN_LATCH, + process_single_block_loop_latch, analyze_edges_for_bb, + perform_edge_inserts): Remove. + (expand_phi_nodes): New global function. + (remove_ssa_form): Take ssaexpand parameter. Don't call removed + functions, initialize new parameter, remember partitions having a + default def. + (finish_out_of_ssa): New global function. + (rewrite_out_of_ssa): Make global. Adjust call to remove_ssa_form, + don't reset in_ssa_p here, don't disable TER when mudflap. + (pass_del_ssa): Remove. + * tree-flow.h (struct var_ann_d): Remove out_of_ssa_tag and + partition members. + (execute_free_datastructures): Declare. + * Makefile.in (SSAEXPAND_H): New variable. + (tree-outof-ssa.o, expr.o, cfgexpand.o): Depend on SSAEXPAND_H. + * basic-block.h (commit_one_edge_insertion): Declare. + * passes.c (init_optimization_passes): Move pass_nrv and + pass_mudflap2 before pass_cleanup_cfg_post_optimizing, remove + pass_del_ssa, pass_free_datastructures, pass_free_cfg_annotations. + * cfgrtl.c (commit_one_edge_insertion): Make global, don't declare. + (redirect_branch_edge): Deal with super block when expanding, split + out jump patching itself into ... + (patch_jump_insn): ... here, new static helper. + +2009-04-26 Michael Matz <matz@suse.de> + + * tree-ssa-copyrename.c (rename_ssa_copies): Don't iterate + beyond num_ssa_names. + * tree-ssa-ter.c (free_temp_expr_table): Likewise. + * tree-ssa-coalesce.c (create_outofssa_var_map): Likewise. + +2009-04-26 Jakub Jelinek <jakub@redhat.com> + + PR inline-asm/39543 + * fwprop.c (forward_propagate_asm): New function. + (forward_propagate_and_simplify): Propagate also into __asm, if it + doesn't increase the number of referenced registers. + + PR c/39889 + * stmt.c (warn_if_unused_value): Look through NON_LVALUE_EXPR. + +2009-04-26 Jakub Jelinek <jakub@redhat.com> + + * tree-nested.c (get_nonlocal_vla_type): If not optimizing, call + note_nonlocal_vla_type for nonlocal VLAs. + (note_nonlocal_vla_type, note_nonlocal_block_vlas, + contains_remapped_vars, remap_vla_decls): New functions. + (convert_nonlocal_reference_stmt): If not optimizing, call + note_nonlocal_block_vlas on GIMPLE_BIND block vars. + (nesting_copy_decl): Return {VAR,PARM,RESULT}_DECL unmodified + if it wasn't found in var_map. + (finalize_nesting_tree_1): Call remap_vla_decls. If outermost + GIMPLE_BIND doesn't have gimple_bind_block, chain debug_var_chain + to BLOCK_VARS (DECL_INITIAL (root->context)) instead of calling + declare_vars. + * gimplify.c (nonlocal_vlas): New variable. + (gimplify_var_or_parm_decl): Add debug VAR_DECLs for non-local + referenced VLAs. + (gimplify_body): Create and destroy nonlocal_vlas. + + * dwarf2out.c (loc_descr_plus_const): New function. + (build_cfa_aligned_loc, tls_mem_loc_descriptor, + mem_loc_descriptor, loc_descriptor_from_tree_1, + descr_info_loc, gen_variable_die): Use it. + + * tree.h (DECL_BY_REFERENCE): Note that it is also valid for + !TREE_STATIC VAR_DECLs. + * dwarf2out.c (loc_by_reference, gen_decl_die): Handle + DECL_BY_REFERENCE on !TREE_STATIC VAR_DECLs. + (gen_variable_die): Likewise. Don't look at TREE_PRIVATE if + DECL_BY_REFERENCE is valid. + * dbxout.c (DECL_ACCESSIBILITY_CHAR): Don't look at TREE_PRIVATE + for PARM_DECLs, RESULT_DECLs or !TREE_STATIC VAR_DECLs. + * tree-nested.c (get_nonlocal_debug_decl, get_local_debug_decl): + Copy DECL_BY_REFERENCE. + (struct nesting_copy_body_data): New type. + (nesting_copy_decl): New function. + (finalize_nesting_tree_1): Remap types of debug_var_chain variables, + if they have variable length. + +2009-04-26 Michael Matz <matz@suse.de> + + * tree-sra.c (sra_build_assignment): Don't use into_ssa mode, + mark new temporaries for renaming. + +2009-04-26 Joseph Myers <joseph@codesourcery.com> + + PR c/39581 + * c-decl.c (global_bindings_p): Return negative value. + (c_variable_size): New. Based on variable_size from + stor-layout.c. + (grokdeclarator): Call c_variable_size not variable_size. + +2009-04-26 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/i386.c (print_operand) ['z']: Fix typo. + +2009-04-26 Kai Tietz <kai.tietz@onevision.com> + + * config/i386/mingw-w64.h (STANDARD_INCLUDE_DIR): + Redefine it to just use mingw/include. + (ASM_SPEC): Rules for -m32 and -m64. + (LINK_SPEC): Use Likewise. + (SPEC_32): New define. + (SPEC_64): Likewise. + (SUB_LINK_SPEC): Likewise. + (MULTILIB_DEFAULTS): New define. + * config/i386/t-mingw-w64 (MULTILIB_OPTIONS): + Add multilib options. + (MULTILIB_DIRNAMES): Likewise. + (MULTILIB_OSDIRNAMES): Likewise. + (LIBGCC): Likewise. + (INSTALL_LIBGCC): Likewise. + +2009-04-26 Joseph Myers <joseph@codesourcery.com> + + PR c/39556 + * c-tree.h (enum c_inline_static_type): New. + (record_inline_static): Declare. + * c-decl.c (struct c_inline_static, c_inline_statics, + record_inline_static, check_inline_statics): New. + (pop_file_scope): Call check_inline_statics. + (start_decl): Call record_inline_static instead of pedwarning + directly for static in inline function. + * c-typeck.c (build_external_ref): Call record_inline_static + instead of pedwarning directly for static referenced in inline + function. + +2009-04-26 Steven Bosscher <steven@gcc.gnu.org> + + * df-scan.c (df_insn_rescan): Salvage insn's LUID if the insn is + not new but only being rescanned. + * gcse.c (uid_cuid, max_uid, INSN_CUID, max_cuid, struct reg_set, + reg_set_table, REG_SET_TABLE_SLOP, reg_set_in_block, + alloc_reg_set_mem, free_reg_set_mem, record_one_set, + record_set_info, compute_set, grealloc): Remove. + (recompute_all_luids): New function. + (gcse_main): Don't compute sets, and don't do related memory + allocations/free-ing. If something changed before the end of the + pass, update LUIDs using recompute_all_luids. + (alloc_gcse_mem): Don't compute LUIDs. Don't allocate reg_set memory. + (free_gcse_mem): Don't free it either. + (oprs_unchanged_p, load_killed_in_block, record_last_reg_set_info): + Use the df insn LUIDs. + (load_killed_in_block): Likewise. + (compute_hash_table_work): Don't compute reg_set_in_block. + (compute_transp): Use DF_REG_DEF_CHAINs. + (local_cprop_pass): Don't use compute_sets and related functions. + (one_cprop_pass, pre_gcse, one_pre_gcse_pass, one_code_hoisting_pass): + Use get_max_uid() instead of max_cuid. + (insert_insn_end_basic_block, pre_insert_copy_insn, + update_ld_motion_stores): Don't try to + keep reg_set tables up to date. + (pre_insert_copies): Use df insn LUIDs. + (sbitmap pre_redundant_insns): Replace with uses of INSN_DELETED_P. + (reg_set_info): Don't use extra bitmap argument. + (compute_store_table): Don't compute reg_set_in_block. Use DF scan + information to compute regs_set_in_block. + (free_store_memory, store_motion): Don't nullify reg_set_in_block. + (bypass_jumps): Don't use compute_sets and friends. + +2009-04-26 Ralf Wildenhues <Ralf.Wildenhues@gmx.de> + + PR testsuite/39710 + * opts.c (undocumented_msg): Do not leave blank even with + ENABLE_CHECKING. + +2009-04-25 Joseph Myers <joseph@codesourcery.com> + + * c-decl.c (build_enumerator): Allow values folding to integer + constants but not integer constant expressions with a pedwarn if + pedantic. + +2009-04-25 Joseph Myers <joseph@codesourcery.com> + + PR c/39582 + * c-typeck.c (c_expr_sizeof_type): Create a C_MAYBE_CONST_EXPR + with non-null C_MAYBE_CONST_EXPR_PRE if size of a variable-length + type is an integer constant. + +2009-04-25 Uros Bizjak <ubizjak@gmail.com> + + PR target/39897 + * config/i386/i386.c (print_operand) ['z']: Revert handling of + HImode operands. + +2009-04-25 Joseph Myers <joseph@codesourcery.com> + + PR c/39564 + * c-decl.c (grokdeclarator): Diagnose declarations of functions + with variably modified return type and no storage class + specifiers, except for the case of nested functions. Distinguish + extern declarations of functions with variably modified return + types from those of objects with variably modified types. + +2009-04-25 Jan Hubicka <jh@suse.cz> + + * tree.c (list_equal_p): New function. + * tree.h (list_equal_p): Declare. + * coretypes.h (edge_def, edge, const_edge, basic_block_def + basic_block_def, basic_block, const_basic_block): New. + * tree-eh.c (make_eh_edge): EH edges are not abnormal. + (redirect_eh_edge): New function. + (make_eh_edge_update_phi): EH edges are not abnormal. + * except.c: Include tree-flow.h. + (list_match): New function. + (eh_region_replaceable_by_p): New function. + (replace_region): New function. + (hash_type_list): New function. + (hash_eh_region): New function. + (eh_regions_equal_p): New function. + (merge_peers): New function. + (remove_unreachable_regions): Verify EH tree when checking; + merge peers. + (copy_eh_region_1): New function. + (copy_eh_region): New function. + (push_reachable_handler): New function. + (build_post_landing_pads, dw2_build_landing_pads): Be ready for + regions without label but with live RESX. + * except.h (redirect_eh_edge_to_label): New. + * tree-flow.h (redirect_eh_edge): New. + * coretypes.h (edge_def, edge, const_edge, basic_block_def + basic_block_def, basic_block, const_basic_block): Remove. + * Makefile.in (except.o): Add dependency on tree-flow.h + * tree-cfg.c (gimple_redirect_edge_and_branch): Handle EH edges. + * basic-block.h (edge, const_edge, basic_block, const_basic_block): + Remove. + +2009-04-25 Eric Botcazou <ebotcazou@adacore.com> + + PR bootstrap/39645 + * config/sparc/sparc.c (sparc_gimplify_va_arg): Set TREE_ADDRESSABLE + on the destination of memcpy. + +2009-04-25 Paolo Bonzini <bonzini@gnu.org> + + * doc/tm.texi (REGNO_OK_FOR_BASE_P, REGNO_MODE_OK_FOR_BASE_P, + REGNO_MODE_OK_FOR_REG_BASE_P, REGNO_MODE_CODE_OK_FOR_BASE_P, + REGNO_OK_FOR_INDEX_P): Mention strict/nonstrict difference. + +2009-04-25 Jan Hubicka <jh@suse.cz> + + * tree-eh.c (tree_remove_unreachable_handlers): Handle shared labels. + (tree_empty_eh_handler_p): Allow non-EH predecestors; allow region + to be reached by different label than left. + (update_eh_edges): Update comment; remove edge_to_remove if possible + and return true if suceeded. + (cleanup_empty_eh): Accept sharing map; handle shared regions. + (cleanup_eh): Compute sharing map. + * except.c (remove_eh_handler_and_replace): Add argument if we should + update regions. + (remove_unreachable_regions): Update for label sharing. + (label_to_region_map): Likewise. + (get_next_region_sharing_label): New function. + (remove_eh_handler_and_replace): Add update_catch_try parameter; update + prev_try pointers. + (remove_eh_handler): Update. + (remove_eh_region_and_replace_by_outer_of): New function. + * except.h (struct eh_region): Add next_region_sharing_label. + (remove_eh_region_and_replace_by_outer_of, + get_next_region_sharing_label): Declare. + * tree-cfgcleanup.c (tree_forwarder_block_p): Simplify. + +2009-04-25 Jan Hubicka <jh@suse.cz> + + * tree-cfg.c (split_critical_edges): Split also edges where we can't + insert code even if they are not critical. + +2009-04-25 Jan Hubicka <jh@suse.cz> + + * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable. + (gimple_can_remove_branch_p): EH edges won't remove branch by + redirection. + * tree-inline.c (update_ssa_across_abnormal_edges): Do handle + updating of non-abnormal EH edges. + * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable. + (gimple_can_remove_branch_p): EH edges are unremovable by redirection. + (split_critical_edges): Split also edges where emitting code on them + will lead to splitting later. + +2009-04-25 Uros Bizjak <ubizjak@gmail.com> + H.J. Lu <hongjiu.lu@intel.com> + + PR target/39590 + * configure.ac (HAVE_AS_IX86_FILDQ): On x86 targets check whether + the configured assembler supports fildq and fistpq mnemonics. + (HAVE_AS_IX86_FILDS): Rename from HAVE_GAS_FILDS_FISTS. + * configure: Regenerated. + * config.in: Ditto. + + * config/i386/i386.c (print_operand): Handle 'Z'. + ['z']: Remove handling of special fild/fist suffixes. + (output_fix_trunc): Use '%Z' to output suffix of fist{,p,tp} insn. + * config/i386/i386.md (*floathi<mode>2_i387): Use '%Z' to output + suffix of fild insn. + (*floatsi<mode>2_vector_mixed): Ditto. + (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit): Ditto. + (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_nointerunit): Ditto. + (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto. + (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387): Ditto. + * config/i386/gas.h (GAS_MNEMONICS): Remove. + +2009-04-25 Ben Elliston <bje@au.ibm.com> + + * genrecog.c (validate_pattern): Do not warn for VOIDmode CALLs as + the source of a set operation. + +2009-04-25 Anatoly Sokolov <aesok@post.ru> + + * target.h (struct gcc_target): Add case_values_threshold field. + * target-def.h (TARGET_CASE_VALUES_THRESHOLD): New. + (TARGET_INITIALIZER): Use TARGET_CASE_VALUES_THRESHOLD. + * targhooks.c (default_case_values_threshold): New function. + * targhooks.h (default_case_values_threshold): Declare function. + * stmt.c (expand_case): Use case_values_threshold target hook. + * expr.h (case_values_threshold): Remove declartation. + * expr.c (case_values_threshold): Remove function. + * doc/tm.texi (CASE_VALUES_THRESHOLD): Revise documentation. + + * config/avr/avr.h (CASE_VALUES_THRESHOLD): Remove macro. + * config/avr/avr.c (TARGET_CASE_VALUES_THRESHOLD): Define macro. + (avr_case_values_threshold): Declare as static. + * config/avr/avr-protos.h (avr_case_values_threshold): Remove. + + * config/avr/mn10300.h (CASE_VALUES_THRESHOLD): Remove macro. + * config/avr/mn10300.c (TARGET_CASE_VALUES_THRESHOLD): Define macro. + (mn10300_case_values_threshold): New function. + +2009-04-24 H.J. Lu <hongjiu.lu@intel.com> + + * ira.c (setup_cover_and_important_classes): Add enum cast. + +2009-04-24 Vladimir Makarov <vmakarov@redhat.com> + + * genpreds.c (write_enum_constraint_num): Output definition of + CONSTRAINT_NUM_DEFINED_P macro. + * ira.c (setup_cover_and_important_classes): Use + CONSTRAINT_NUM_DEFINED_P instead of CONSTRAINT__LIMIT in #ifdef. + +2009-04-24 DJ Delorie <dj@redhat.com> + + * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Test + __SH2A_SINGLE_ONLY__ also. + +2009-04-24 Steve Ellcey <sje@cup.hp.com> + + * config/ia64/ia64.md (movfs_internal): Allow flt constants. + (movdf_internal): Ditto. + * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow + SFmode and DFmode constants. + (ia64_print_operand): Add 'G' format for printing + floating point constants. + +2009-04-24 Richard Guenther <rguenther@suse.de> + + * tree-vrp.c (extract_range_from_binary_expr): Handle overflow + from unsigned additions. + +2009-04-24 Joseph Myers <joseph@codesourcery.com> + + * c-typeck.c (set_init_index): Allow array designators that are + not integer constant expressions with a pedwarn if pedantic. + +2009-04-24 Bernd Schmidt <bernd.schmidt@analog.com> + + * simplify-rtx.c (simplify_binary_operation_1, case AND): Result is + zero if no overlap in nonzero bits between the operands. + +2009-04-24 Ian Lance Taylor <iant@google.com> + + * combine.c (record_value_for_reg): Change 0 to VOIDmode, twice. + (record_dead_and_set_regs): Likewise. + * df.h (struct df_mw_hardreg): Change flags field to int. + (struct df_base_ref): Likewise. + (struct df): Change changeable_flags field to int. + * df-scan.c (df_defs_record): Change clobber_flags to int. + * dwarf2.h (enum dwarf_tag): Make lo_user and hi_user values enum + constants rather than #define macros. + (enum dwarf_attribute, enum dwarf_location_atom): Likewise. + (enum dwarf_type, enum dwarf_endianity_encoding): Likewise. + (enum dwarf_calling_convention): Likewise. + (enum dwarf_line_number_x_ops): Likewise. + (enum dwarf_call_frame_info): Likewise. + (enum dwarf_source_language): Likewise. + * dwarf2out.c (int_loc_descriptor): Add cast to enum type. + (add_calling_convention_attribute): Likewise. + * fold-const.c (fold_undefer_overflow_warnings): Add cast to enum type. + (combine_comparisons): Change compcode to int. Add cast to enum type. + * genrecog.c (maybe_both_true_2): Change c to int. + (write_switch): Likewise. Add cast to enum type. + * gimplify.c (gimplify_omp_for): Handle return values from + gimplify_expr using MIN rather than bitwise or. + (gimplify_expr): Add cast to enum type. + * ipa-prop.c (update_jump_functions_after_inlining): Change + IPA_BOTTOM to IPA_JF_UNKNOWN. + * ira.c (setup_class_subset_and_memory_move_costs): Change mode to int. + Add casts to enum type. + (setup_cover_and_important_classes): Change cl to int. Add casts + to enum type. + (setup_class_translate): Change cl and mode to int. + (ira_init_once): Change mode to int. + (free_register_move_costs): Likewise. + (setup_prohibited_mode_move_regs): Add casts to enum type. + * langhooks.c (add_builtin_function_common): Rework assertion that + value fits bitfield. + * mcf.c (add_fixup_edge): Change type parameter to edge_type. + * omega.c (omega_do_elimination): Avoid math on enum types. + * optabs.c (expand_vec_shift_expr): Remove casts to int. + * opts.c (set_debug_level): Change 2 to enum constant. Use new + int local to handle integral_argment value. + * regmove.c (try_auto_increment): Change PUT_MODE to + PUT_REG_NOTE_KIND. + * reload.c (push_secondary_reload): Add casts to enum type. + (secondary_reload_class, find_valid_class): Likewise. + * reload1.c (emit_input_reload_insns): Likewise. + * rtl.h (NOTE_VAR_LOCATION_STATUS): Likewise. + * sel-sched.c (init_hard_regs_data): Change cur_mode to int. + * sel-sched-ir.c (hash_with_unspec_callback): Change 0 to enum + constant. + * tree.c (build_common_builtin_nodes): Add casts to enum type. + * tree-complex.c (complex_lattice_t): Typedef to int rather than + enum type. + (expand_complex_libcall): Add casts to enum type. + * tree-into-ssa.c (get_ssa_name_ann): Change 0 to enum constant. + * tree-vect-loop.c (vect_model_reduction_cost): Compare reduc_code + with ERROR_MARK, not NUM_TREE_CODES. + (vect_create_epilog_for_reduction): Likewise. + (vectorizable_reduction): Don't initialize epiloc_reduc_code. + When not using it, set it to ERROR_MARK rather than NUM_TREE_CODES. + * tree-vect-patterns.c (vect_pattern_recog_1): Change vec_mode to + enum machine_mode. + * tree-vect-stmts.c (new_stmt_vec_info): Change 0 to + vect_unused_in_loop. Change 0 to loop_vect. + * tree-vectorizer.c (vect_set_verbosity_level): Add casts to enum type. + * var-tracking.c (get_init_value): Change return type to enum + var_init_status. + * vec.h (DEF_VEC_FUNC_P) [iterate]: Cast 0 to type T. + * config/arm/arm.c (fp_model_for_fpu): Change to array to enum + arm_fp_model. + (arm_override_options): Add casts to enum type. + (arm_emit_tls_decoration): Likewise. + * config/i386/i386.c (ix86_function_specific_restore): Add casts + to enum type. + * config/i386/i386-c.c (ix86_pragma_target_parse): Likewise. + * config/ia64/ia64.c (ia64_expand_compare): Change magic to int. + * config/rs6000/rs6000.c (rs6000_override_options): Add casts to + enum type. + * config/s390/s390.c (code_for_builtin_64): Change to array of + enum insn_code. + (code_for_builtin_31): Likewise. + (s390_expand_builtin): Change code_for_builtin to enum insn_code + const *. + * config/sparc/sparc.c (sparc_override_options): Change value + field in struct code_model to enum cmodel. In initializer change + 0 to NULL and add cast to enum type. + + * c-typeck.c (build_modify_expr): Add lhs_origtype parameter. + Change all callers. Issue a -Wc++-compat warning using + lhs_origtype if necessary. + (convert_for_assignment): Issue -Wc++-compat warnings about + invalid conversions to enum type on assignment. + * c-common.h (build_modify_expr): Update declaration. + +2009-04-24 Nick Clifton <nickc@redhat.com> + + * config/iq2000/iq2000.c (function_arg): Handle TImode values. + (function_arg_advance): Likewise. + * config/iq2000/iq2000.md (movsi_internal2): Fix the length of the + 5th alternative. + +2009-04-24 Andreas Krebbel <krebbel1@de.ibm.com> + + * config/s390/constraints.md ('I', 'J'): Fix condition. + +2009-04-24 Diego Novillo <dnovillo@google.com> + + * gengtype-parse.c (parse_error): Add newline after message. + +2009-04-24 H.J. Lu <hongjiu.lu@intel.com> + + * config/i386/sse.md (avxmodesuffixs): Removed. + (*avx_pinsr<avxmodesuffixs>): Renamed to ... + (*avx_pinsr<ssevecsize>): This. + +2009-04-24 Bernd Schmidt <bernd.schmidt@analog.com> + + * loop-iv.c (replace_single_def_regs): Look for REG_EQUAL notes; + follow chains of regs with a single definition, and allow expressions + that are function_invariant_p. + (simple_rhs_p): Allow expressions that are function_invariant_p. + +2009-04-24 Paolo Bonzini <bonzini@gnu.org> + + PR middle-end/39867 + * fold-const.c (fold_cond_expr_with_comparison): When folding + > and >= to MAX, make sure the MAX uses the same type as the + comparison's operands. + +2009-04-24 Nick Clifton <nickc@redhat.com> + + * config/frv/frv.c (frv_frame_access): Do not use reg+reg + addressing for DImode accesses. + (frv_print_operand_address): Handle PLUS case. + * config/frv/frv.h (FIXED_REGISTERS): Mark link register as fixed. + +2009-04-24 Jakub Jelinek <jakub@redhat.com> + + PR rtl-optimization/39794 + * alias.c (canon_true_dependence): Add x_addr argument. + * rtl.h (canon_true_dependence): Adjust prototype. + * cse.c (check_dependence): Adjust canon_true_dependence callers. + * cselib.c (cselib_invalidate_mem): Likewise. + * gcse.c (compute_transp): Likewise. + * dse.c (scan_reads_nospill): Likewise. + (record_store, check_mem_read_rtx): Likewise. For non-const-or-frame + addresses pass base->val_rtx as mem_addr, for const-or-frame addresses + canon_base_addr of the group, plus optional offset. + (struct group_info): Rename canon_base_mem to + canon_base_addr. + (get_group_info): Set canon_base_addr to canon_rtx of base, not + canon_rtx of base_mem. + +2009-04-23 Paolo Bonzini <bonzini@gnu.org> + + * config/sh/sh.c (sh_expand_prologue, sh_expand_epilogue): + Use memory_address_p instead of GO_IF_LEGITIMATE_ADDRESS. + +2009-04-23 Ulrich Weigand <Ulrich.Weigand@de.ibm.com> + + * config/spu/spu-builtins.h: Delete file. + + * config/spu/spu.h (enum spu_builtin_type): Move here from + spu-builtins.h. + (struct spu_builtin_description): Likewise. Add GTY marker. + Do not use enum spu_function_code or enum insn_code. + (spu_builtins): Add extern declaration. + + * config/spu/spu.c: Do not include "spu-builtins.h". + (enum spu_function_code, enum spu_builtin_type_index, + V16QI_type_node, V8HI_type_node, V4SI_type_node, V2DI_type_node, + V4SF_type_node, V2DF_type_node, unsigned_V16QI_type_node, + unsigned_V8HI_type_node, unsigned_V4SI_type_node, + unsigned_V2DI_type_node): Move here from spu-builtins.h. + (spu_builtin_types): Make static. Add GTY marker. + (spu_builtins): Add extern declaration with GTY marker. + Include "gt-spu.h". + + * config/spu/spu-c.c: Do not include "spu-builtins.h". + (spu_resolve_overloaded_builtin): Do not use spu_function_code. + Check programmatically whether all parameters are scalar. + + * config/spu/t-spu-elf (spu.o, spu-c.o): Update dependencies. + +2009-04-23 Eric Botcazou <ebotcazou@adacore.com> + + * gimplify.c (gimplify_modify_expr_rhs) <VAR_DECL>: Do not do a direct + assignment from the constructor either if the target is volatile. + +2009-04-23 Daniel Jacobowitz <dan@codesourcery.com> + + * config/arm/arm.md (insv): Do not share operands[0]. + +2009-04-23 Nathan Sidwell <nathan@codesourcery.com> + + * config/vxlib-tls.c (active_tls_threads): Delete. + (delete_hook_installed): New. + (tls_delete_hook): Don't delete the delete hook. + (tls_destructor): Delete it here. + (__gthread_set_specific): Adjust installing the delete hook. + (tls_delete_hook): Use __gthread_enter_tsd_dtor_context and + __gthread_leave_tsd_dtor_context. + +2009-04-23 Rafael Avila de Espindola <espindola@google.com> + + * c-format.c (gcc_tdiag_char_table): Add support for %E. + +2009-04-23 Uros Bizjak <ubizjak@gmail.com> + + * config/alpha/alpha.c (alpha_legitimize_reload_address): Add cast to + enum type. + (alpha_rtx_costs): Ditto. + (emit_unlikely_jump): Use add_reg_note. + (emit_frame_store_1): Ditto. + (alpha_expand_prologue): Ditto. + (alpha_expand_builtin): Change 0 to EXPAND_NORMAL in function call. + * config/alpha/alpha.c (Unicos/Mk address splitter): Use add_reg_note. + +2009-04-23 Nick Clifton <nickc@redhat.com> + + * config/v850/v850.md (epilogue): Remove suppressed code. + (return): Rename to return_simple and remove test of frame size. + * config/v850/v850.c (expand_epilogue): Rename call to gen_return + to gen_return_simple. + +2009-04-22 Jing Yu <jingyu@google.com> + + PR testsuite/39781 + * config/arm/arm.h: Define HANDLE_PRAGMA_PACK_PUSH_POP. + +2009-04-22 Andrew Pinski <andrew_pinski@playstation.sony.com> + + PR C/31499 + * c-typeck.c (process_init_element): Treat VECTOR_TYPE like ARRAY_TYPE + and RECORD_TYPE/UNION_TYPE. When outputing the actual element and the + value is a VECTOR_CST, the element type is the element type of the + vector. + +2009-04-22 DJ Delorie <dj@redhat.com> + + * config/m32c/m32c.h: Update GTY annotations to new syntax. + +2009-04-22 Jakub Jelinek <jakub@redhat.com> + + * alias.c (find_base_term): Move around LO_SUM case, so that + CONST falls through into PLUS/MINUS handling. + + PR c/39855 + * fold-const.c (fold_binary) <case LSHIFT_EXPR>: When optimizing + into 0, use omit_one_operand. + +2009-04-23 Ben Elliston <bje@au.ibm.com> + + * config/rs6000/linux-unwind.h (get_regs): Remove type + puns. Change the type of `pc' to an array of unsigned ints and + update all users. Constify frame24. + +2009-04-22 DJ Delorie <dj@redhat.com> + + * config/m32c/m32c.c (m32c_special_page_vector_p): Move + declarations before code. + (current_function_special_page_vector): Likewise. + (m32c_expand_insv): Silence a warning. + +2009-04-21 Taras Glek <tglek@mozilla.com> + + * alias.c: Update GTY annotations to new syntax. + * basic-block.h: Likewise. + * bitmap.h: Likewise. + * c-common.h: Likewise. + * c-decl.c: Likewise. + * c-parser.c: Likewise. + * c-pragma.c: Likewise. + * c-tree.h: Likewise. + * cfgloop.h: Likewise. + * cgraph.h: Likewise. + * config/alpha/alpha.c: Likewise. + * config/arm/arm.h: Likewise. + * config/avr/avr.h: Likewise. + * config/bfin/bfin.c: Likewise. + * config/cris/cris.c: Likewise. + * config/darwin.c: Likewise. + * config/frv/frv.c: Likewise. + * config/i386/i386.c: Likewise. + * config/i386/i386.h: Likewise. + * config/i386/winnt.c: Likewise. + * config/ia64/ia64.h: Likewise. + * config/iq2000/iq2000.c: Likewise. + * config/mips/mips.c: Likewise. + * config/mmix/mmix.h: Likewise. + * config/pa/pa.c: Likewise. + * config/pa/pa.h: Likewise. + * config/rs6000/rs6000.c: Likewise. + * config/s390/s390.c: Likewise. + * config/sparc/sparc.c: Likewise. + * config/xtensa/xtensa.c: Likewise. + * cselib.h: Likewise. + * dbxout.c: Likewise. + * dwarf2out.c: Likewise. + * except.c: Likewise. + * except.h: Likewise. + * fixed-value.h: Likewise. + * function.c: Likewise. + * function.h: Likewise. + * gimple.h: Likewise. + * integrate.c: Likewise. + * optabs.c: Likewise. + * output.h: Likewise. + * real.h: Likewise. + * rtl.h: Likewise. + * stringpool.c: Likewise. + * tree-data-ref.c: Likewise. + * tree-flow.h: Likewise. + * tree-scalar-evolution.c: Likewise. + * tree-ssa-address.c: Likewise. + * tree-ssa-alias.h: Likewise. + * tree-ssa-operands.h: Likewise. + * tree.c: Likewise. + * tree.h: Likewise. + * varasm.c: Likewise. + * varray.h: Likewise. + * vec.h: Likewise. + * coretypes.h: Do not define GTY macro if it is already defined. + * doc/gty.texi: Update GTY documentation to new syntax. + * gengtype-lex.l: Enforce attribute-like syntax for GTY + annotations on structs. + * gengtype-parse.c: Likewise. + +2009-04-22 Mark Heffernan <meheff@google.com> + + * gcc.c (LINK_COMMAND_SPEC): Link with gcov with -fprofile-generate=. + +2009-04-22 Kazu Hirata <kazu@codesourcery.com> + + * config/arm/arm.c (arm_rtx_costs_1): Use power_of_two_operand + where appropriate. + +2009-04-22 Kazu Hirata <kazu@codesourcery.com> + + * config/arm/arm.c (arm_size_rtx_costs): Treat a PLUS with a shift + the same as a PLUS without a shift. Increase the cost of a + CONST_INT in MULT. + +2009-04-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org> + + * Makefile.in: Update dependencies. + * errors.c (warning): Remove unused parameter 'opt'. Returns 'void'. + * errors.h: Remove bogus comment about compatibility. + (warning): Update declaration. + * genautomata.c: Update all calls to warning. + * gimple.c: Do not include errors.h. Include toplev.h. + * tree-ssa-structalias.c: Do not include errors.h. + * omega.c: Likewise. + * tree-ssa-reassoc.c: Likewise. + * config/spu/spu-c.c: Likewise. + * config/spu/t-spu-elf: Update dependencies. + +2009-04-22 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/39824 + * tree-ssa-ccp.c (fold_const_aggregate_ref): For INDIRECT_REFs + make sure the types are compatible. + +2009-04-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org> + + PR c++/14875 + * c-common.c (c_parse_error): Take a token_flags parameter. + Use token_type for the token type instead. + Pass token_flags to cpp_type2name. + * c-common.h (c_parse_error): Update declaration. + * c-parser.c (c_parser_error): Pass 0 as token flags. + +2009-04-22 Andrey Belevantsev <abel@ispras.ru> + + PR rtl-optimization/39580 + * sel-sched-ir.c (insert_in_history_vect): Remove incorrect gcc_assert. + +2009-04-22 Ulrich Weigand <Ulrich.Weigand@de.ibm.com> + + * function.c (expand_function_end): Do not emit a jump to the "naked" + return label for fall-through returns. + * except.c (sjlj_emit_function_exit): Always place the call to the + unregister function at the location installed by expand_function_end. + +2009-04-22 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/39845 + * tree-switch-conversion.c (build_arrays): Add new referenced vars. + (gen_inbound_check): Likewise. + +2009-04-22 Nathan Sidwell <nathan@codesourcery.com> + + * gthr-vxworks.h (struct __gthread_once_t): Add alignment and + padding for PPC. + (__GTHREAD_ONCE_INIT): Adjust ppc initializer. + * config/vxlib.c (__gthread_once): Add race guard for PPC. + +2009-04-22 Paolo Bonzini <bonzini@gnu.org> + + * config/sh/sh.c (shift_insns_rtx, shiftcosts, gen_shifty_op, + sh_dynamicalize_shift_p, shl_and_scr_length): Truncate + shift counts to avoid out-of-bounds array accesses. + +2009-04-22 Paolo Bonzini <bonzini@gnu.org> + + * config/sparc/sparc.h (POINTER_SIZE): Fix comment. + (Pmode): Move above. + +2009-04-22 Uros Bizjak <ubizjak@gmail.com> + + * config/alpha/alpha.c: Use REG_P, MEM_P, CONST_INT_P, JUMP_P, + NONJUMP_INSN_P, CALL_P, LABEL_P and NOTE_P predicates instead of + GET_CODE macro. Use IN_RANGE macro where appropriate. + * config/alpha/alpha.h: Ditto. + * config/alpha/alpha.md: Ditto. + * config/alpha/constraints.md: Ditto. + * config/alpha/predicates.md: Ditto. + +2009-04-22 Paolo Bonzini <bonzini@gnu.org> + + * defaults.h (GO_IF_MODE_DEPENDENT_ADDRESS): Provide empty default. + * config/frv/frv.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete. + * config/s390/s390.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete. + * config/m32c/m32c.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete. + * config/spu/spu.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete. + * config/i386/i386.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete. + * config/sh/sh.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete. + * config/pdp11/pdp11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete. + * config/avr/avr.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete. + * config/crx/crx.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete. + * config/fr30/fr30.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete. + * config/m68hc11/m68hc11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete. + * config/cris/cris.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete. + * config/iq2000/iq2000.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete. + * config/mn10300/mn10300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete. + * config/ia64/ia64.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete. + * config/m68k/m68k.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete. + * config/picochip/picochip.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete. + * config/arc/arc.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete. + * config/mcore/mcore.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete. + * config/score/score.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete. + * config/arm/arm.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete. + * config/pa/pa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete. + * config/mips/mips.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete. + * config/v850/v850.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete. + * config/mmix/mmix.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete. + * config/bfin/bfin.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete. + +2009-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com> + + * cfghooks.c (tidy_fallthru_edges): Remove find_basic_blocks + references from comments. + * cfgbuild.c (count_basic_blocks): Delete. + (find_basic_blocks_1): Delete. + (find_basic_blocks): Delete. + * except.c (finish_eh_generation): Make static. Move comment from + except.h here. Remove find_basic_blocks references from comments. + * except.h (finish_eh_generation): Delete. + * basic-block.h (find_basic_blocks): Delete. + * config/sh/sh.c (sh_output_mi_thunk): Delete a "#if 0" block. + +2009-04-22 Dave Korn <dave.korn.cygwin@gmail.com> + + * sdbout.c (sdbout_symbol): Pass VOIDmode to eliminate_regs. + (sdbout_parms): Likewise. + +2009-04-21 Kaz Kojima <kkojima@gcc.gnu.org> + + * config/sh/sh.c (prepare_cbranch_operands): Use + LAST_AND_UNUSED_RTX_CODE instead of CODE_FOR_nothing. + (expand_cbranchdi4): Likewise. + (from_compare): Add cast to enum type. + (expand_cbranchsi4): Use add_reg_note. + (output_stack_adjust, push, pop, sh_expand_prologue): Likewise. + (sh_insn_length_adjustment): Use sh_cpu_attr instead of sh_cpu. + (sh_initialize_trampoline): Change 0 to LCT_NORMAL in function call. + (sh_expand_builtin): Change 0 to EXPAND_NORMAL in function call. + * config/sh/sh.md (cbranchsi4): Use LAST_AND_UNUSED_RTX_CODE + instead of CODE_FOR_nothing. + (cbranchdi4): Likewise. Fix the order of arguments for + gen_rtx_fmt_ee. + (push_fpscr): Use add_reg_note. + (pop_fpscr, movdf_i4+1, reload_outdf__RnFRm+3, reload_outdf__RnFRm+4, + reload_outdf__RnFRm+5, fpu_switch+1, fpu_switch+2): Likewise. + +2009-04-21 Joseph Myers <joseph@codesourcery.com> + + * ABOUT-GCC-NLS, ChangeLog, ChangeLog-1997, ChangeLog-1998, + ChangeLog-1999, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002, + ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006, + ChangeLog-2007, ChangeLog-2008, ChangeLog.dataflow, ChangeLog.lib, + ChangeLog.ptr, ChangeLog.tree-ssa, ChangeLog.tuples, FSFChangeLog, + FSFChangeLog.10, FSFChangeLog.11, LANGUAGES, ONEWS, acinclude.m4, + config/alpha/gnu.h, config/alpha/libgcc-alpha-ldbl.ver, + config/alpha/t-osf4, config/alpha/t-vms, config/alpha/va_list.h, + config/alpha/x-vms, config/arc/t-arc, + config/arm/README-interworking, config/arm/arm-c.c, + config/arm/gentune.sh, config/arm/libgcc-bpabi.ver, + config/arm/t-arm, config/arm/t-arm-elf, config/arm/t-arm-softfp, + config/arm/t-bpabi, config/arm/t-linux, config/arm/t-linux-eabi, + config/arm/t-netbsd, config/arm/t-pe, config/arm/t-strongarm-elf, + config/arm/t-symbian, config/arm/t-vxworks, config/arm/t-wince-pe, + config/avr/t-avr, config/bfin/elf.h, config/bfin/libgcc-bfin.ver, + config/bfin/linux.h, config/bfin/t-bfin, config/bfin/t-bfin-elf, + config/bfin/t-bfin-linux, config/bfin/t-bfin-uclinux, + config/bfin/uclinux.h, config/cris/mulsi3.asm, config/cris/t-cris, + config/cris/t-elfmulti, config/crx/t-crx, + config/darwin-ppc-ldouble-patch.def, config/darwin-sections.def, + config/divmod.c, config/fr30/t-fr30, config/frv/libgcc-frv.ver, + config/frv/t-frv, config/frv/t-linux, config/h8300/genmova.sh, + config/h8300/t-h8300, config/i386/athlon.md, + config/i386/darwin-libgcc.10.4.ver, + config/i386/darwin-libgcc.10.5.ver, config/i386/libgcc-glibc.ver, + config/i386/mach.h, config/i386/netbsd.h, config/i386/t-crtpc, + config/i386/t-cygming, config/i386/t-cygwin, config/i386/t-i386, + config/i386/t-linux64, config/i386/t-nwld, + config/i386/t-rtems-i386, config/i386/t-sol2-10, + config/i386/x-mingw32, config/ia64/div.md, config/ia64/elf.h, + config/ia64/ia64.opt, config/ia64/libgcc-glibc.ver, + config/ia64/libgcc-ia64.ver, config/ia64/linux.h, + config/ia64/sysv4.h, config/ia64/t-hpux, config/ia64/t-ia64, + config/iq2000/abi, config/iq2000/lib2extra-funcs.c, + config/iq2000/t-iq2000, config/libgcc-glibc.ver, + config/m32r/libgcc-glibc.ver, config/m32r/t-linux, + config/m32r/t-m32r, config/m68hc11/t-m68hc11, + config/m68k/t-floatlib, config/m68k/t-linux, config/m68k/t-mlibs, + config/m68k/t-uclinux, config/mcore/t-mcore, + config/mcore/t-mcore-pe, config/mips/20kc.md, config/mips/4130.md, + config/mips/5400.md, config/mips/5500.md, config/mips/crti.asm, + config/mips/crtn.asm, config/mips/irix-crti.asm, + config/mips/irix-crtn.asm, config/mips/libgcc-mips16.ver, + config/mips/mips-dsp.md, config/mips/mips-dspr2.md, + config/mips/mips-fixed.md, config/mips/sb1.md, + config/mips/sr71k.md, config/mips/t-elf, config/mips/t-gofast, + config/mips/t-iris6, config/mips/t-isa3264, + config/mips/t-libgcc-mips16, config/mips/t-linux64, + config/mips/t-mips, config/mips/t-r3900, config/mips/t-rtems, + config/mips/t-sb1, config/mips/t-sde, config/mips/t-sdemtk, + config/mips/t-slibgcc-irix, config/mips/t-sr71k, config/mips/t-st, + config/mips/t-vr, config/mips/t-vxworks, config/mmix/t-mmix, + config/mn10300/t-linux, config/mn10300/t-mn10300, + config/pa/pa32-regs.h, config/pa/t-hpux-shlib, config/pa/t-linux, + config/pa/t-linux64, config/pa/t-pa64, config/pdp11/t-pdp11, + config/picochip/libgccExtras/clzsi2.asm, + config/picochip/t-picochip, config/rs6000/darwin-ldouble-format, + config/rs6000/darwin-libgcc.10.4.ver, + config/rs6000/darwin-libgcc.10.5.ver, + config/rs6000/libgcc-ppc-glibc.ver, config/rs6000/ppc-asm.h, + config/rs6000/t-aix43, config/rs6000/t-aix52, + config/rs6000/t-darwin, config/rs6000/t-fprules, + config/rs6000/t-fprules-fpbit, config/rs6000/t-linux64, + config/rs6000/t-lynx, config/rs6000/t-netbsd, + config/rs6000/t-ppccomm, config/rs6000/t-ppcendian, + config/rs6000/t-ppcgas, config/rs6000/t-rs6000, + config/rs6000/t-rtems, config/rs6000/t-spe, + config/rs6000/t-vxworks, config/s390/libgcc-glibc.ver, + config/score/t-score-elf, config/sh/divcost-analysis, + config/sh/libgcc-glibc.ver, config/sh/t-netbsd, config/sh/t-sh, + config/sh/t-sh64, config/sh/t-superh, config/sh/t-symbian, + config/sparc/libgcc-sparc-glibc.ver, config/sparc/sol2-bi.h, + config/sparc/sol2-gas.h, config/sparc/sol2-gld-bi.h, + config/sparc/t-elf, config/sparc/t-linux64, config/sparc/t-sol2, + config/stormy16/stormy-abi, config/stormy16/t-stormy16, + config/t-darwin, config/t-libunwind, config/t-libunwind-elf, + config/t-linux, config/t-lynx, config/t-slibgcc-elf-ver, + config/t-slibgcc-sld, config/t-sol2, config/t-vxworks, + config/udivmod.c, config/udivmodsi4.c, config/v850/t-v850, + config/v850/t-v850e, config/xtensa/t-xtensa, diagnostic.def, + gdbinit.in, glimits.h, gstab.h, gsyms.h, java/ChangeLog, + java/ChangeLog.ptr, java/ChangeLog.tree-ssa, libgcc-std.ver, + limitx.h, version.c, xcoff.h: Add copyright and license notices. + * config/h8300/genmova.sh: Include copyright and license notices + in generated output. + * config/h8300/mova.md: Regenerate. + * doc/install.texi2html: Include word "Copyright" in copyright + notice and use name "Free Software Foundation, Inc.". + * ChangeLog, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002, + ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006, + ChangeLog-2007, ChangeLog-2008: Correct dates. + +2009-04-21 Eric Botcazou <ebotcazou@adacore.com> + + * c-common.c (c_common_truthvalue_conversion): Use LOCATION to build + NE_EXPR operations as well. + * c-parser.c (c_parser_condition): Do not set location information on + the condition. + (c_parser_conditional_expression): Likewise. + (c_parser_binary_expression): Set location information on operators. + * c-typeck.c (build_unary_op) <TRUTH_NOT_EXPR>: Reset the location if + TRUTH_NOT_EXPR has been folded. + * fold-const.c (fold_truth_not_expr): Copy location information from + the incoming expression to the outgoing one. + * gimplify.c (shortcut_cond_r): Add locus parameter. Pass it to + recursive calls on the LHS of the operator but pass that of the + operator to recursive calls on the RHS of the operator. Set it + on the COND_EXPR. + (shortcut_cond_expr): Set the locus of the operator on the second + COND_EXPR and that of the expression on the first in degenerate cases. + Pass the locus of the expression to calls to shortcut_cond_r. + Set the locus of the 'then' block on the associated jump, if any. + (gimplify_boolean_expr): Add locus parameter. Set it on the COND_EXPR. + (gimplify_expr) <TRUTH_ANDIF_EXPR>: Pass the locus of the outer + expression to call to gimplify_boolean_expr. + +2009-04-21 Kai Tietz <kai.tietz@onevision.com> + + * config.gcc: Add additional configuration for + i686-w64-mingw* and x86_64-w64-mingw* triplet. + * config/i386/mingw-w64.h: New mingw-w64 specific header. + (CPP_SPEC): Redefine for allowing -municode option. + (STARTFILE_SPEC): Likewise. + * config/i386/t-mingw-w64: New. + * config/i386/mingw-w64.opt: New. + (municode): Add new target option. + * doc/invoke.texi (municode): Add documentation for new option. + +2009-04-21 Ian Lance Taylor <iant@google.com> + + * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): + Correct test for number of arguments. + * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Likewise. + +2009-04-21 Andreas Schwab <schwab@linux-m68k.org> + + * config/m68k/linux.h (FINALIZE_TRAMPOLINE): Use enum for second + argument of emit_library_call. + +2009-04-21 Richard Guenther <rguenther@suse.de> + + PR middle-end/39829 + * gimple.c (walk_stmt_load_store_addr_ops): Catch addresses + inside VIEW_CONVERT_EXPRs. + +2009-04-21 Martin Jambor <mjambor@suse.cz> + + * tree-switch-conversion.c (build_constructors): Split a long line. + (constructor_contains_same_values_p): New function. + (build_one_array): Create assigns of constants if possible, do not + call mark_sym_for_renaming, call update_stmt. + (build_arrays): Call make_ssa_name (create_tmp_var ()) instead of + make_rename_temp. Do not call mark_symbols_for_renaming, call + update_stmt. + (gen_def_assigns): Do not call mark_symbols_for_renaming or + find_new_referenced_vars, call update_stmt. + (gen_inbound_check): Use create_tmp_var and create ssa names manually + instead of calling make_rename_temp. Do not call + find_new_referenced_vars or mark_symbols_for_renaming, call + update_stmt. + +2009-04-21 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/39827 + * tree-ssa-phiprop.c (propagate_with_phi): Check SSA_NAME is in range. + (tree_ssa_phiprop): Pass the correct array size. + +2009-04-21 Uros Bizjak <ubizjak@gmail.com> + + * config/alpha/alpha.md (tune): Add cast to enum attr_tune. + +2009-04-21 Manuel López-Ibáñez <manu@gcc.gnu.org> + + PR 16202 + * c-typeck.c (lvalue_p): Move declaration ... + * c-common.h (lvalue_p): ... to here. + * c-common.c (candidate_equal_p): New. + (add_tlist): Use it. + (merge_tlist): Use it. + (warn_for_collisions_1): Likewise. + (warning_candidate_p): Accept more candidates. + (verify_tree): A warning candidate can be an expression. Use + candidate_equal_p. + +2009-04-21 Ben Elliston <bje@au.ibm.com> + + PR target/5267 + * doc/invoke.texi (RS/6000 and PowerPC Options): Add documentation + for -mcall-eabi, -mcall-aixdesc, -mcall-freebsd and -mcall-openbsd + options. Remove -mcall-solaris documentation. + +2009-04-21 Manuel Lopez-Ibanez <manu@gcc.gnu.org> + + PR c++/13358 + * doc/invoke.texi (-Wlong-long): Update description. + * c-lex (interpret_integer): Only warn if there was no previous + overflow and -Wlong-long is enabled. + * c-decl.c (declspecs_add_type): Drop redundant flags. + * c.opt (Wlong-long): Init to -1. + * c-opts.c (sanitize_cpp_opts): Synchronize cpp's warn_long_long + and front-end warn_long_long. Wlong-long only depends on other + flags if it is uninitialized. + * c-parser.c (disable_extension_diagnostics): warn_long_long is + the same for CPP and FE. + (restore_extension_diagnostics): Likewise. + +2009-04-20 Ian Lance Taylor <iant@google.com> + + Fix enum conversions which are invalid in C++: + * auto-inc-dec.c (attempt_change): Change 0 to SET in function call. + * calls.c (store_one_arg): Change 0 to EXPAND_NORMAL in function call. + * cse.c (hash_rtx_cb): Change 0 to VOIDmode in function call. + * dbgcnt.c (dbg_cnt_set_limit_by_name): Add cast to enum type. + * dbxout.c (dbxout_symbol): Change 0 to VOIDmode in function call. + (dbxout_parms): Likewise. + * df-core.c (df_set_flags): Change changeable_flags parameter to int. + (df_clear_flags): Likewise. + * df-problems.c (df_rd_bb_local_compute_process_def): Change + top_flag parameter to int. + (df_chain_create_bb_process_use): Likewise. + (df_chain_add_problem): Change chain_flags parameter to unsigned int. + Remove cast. + * df-scan.c (df_ref_create): Change ref_flags parameter to int. + (df_ref_create_structure, df_def_record_1): Likewise. + (df_defs_record, df_uses_record, df_get_call_refs): Likewise. + (df_notes_rescan): Change 0 to VOIDmode in function call. + (df_get_call_refs, df_insn_refs_collect): Likewise. + (df_bb_regs_collect): Likewise. + (df_entry_block_defs_collect): Likewise. + (df_exit_block_uses_collect): Likewise. + * df.h: Update declarations. + * double-int.c (double_int_divmod): Add cast to enum type. + * dse.c (replace_inc_dec): Reverse parameters to gen_int_mode. + * dwarf2out.c (new_reg_loc_descr): Add casts to enum type. + (based_loc_descr): Likewise. + (loc_descriptor_from_tree_1): Change first_op and second_op to + enum dwarf_location_atom. Add cast to enum type. + * expmed.c (init_expmed): Change 0 to SET in function call. + * expr.c (init_expr_target): Change 0 to VOIDmode in function call. + (expand_expr_real_1): Change 0 to EXPAND_NORMAL in function call. + (do_store_flag): Likewise. + * fixed-value.h (struct fixed_value): Change mode to enum + machine_mode. + * function.c (assign_parms): Change 0 to VOIDmode in function call. + * genautomata.c (insert_automaton_decl): Change 1 to INSERT in + function call. + (insert_insn_decl, insert_decl, insert_state): Likewise. + (automata_list_finish): Likewise. + * genrecog.c (process_define_predicate): Add cast to enum type. + * gensupport.c (init_predicate_table): Add cast to enum type. + * gimple.c (gimple_build_return): Change 0 to ERROR_MARK in + function call. + (gimple_build_call_1, gimple_build_label): Likewise. + (gimple_build_goto, gimple_build_asm_1): Likewise. + (gimple_build_switch_1, gimple_build_cdt): Likewise. + * gimple.h (GIMPLE_CHECK): Change 0 to ERROR_MARK in function call. + (enum fallback): Rename from enum fallback_t. + (fallback_t): Typedef as int. + * gimple-low.c (lower_builtin_setjmp): Change TSI_SAME_STMT to + GSI_SAME_STMT in function call. + * ira.c (setup_class_subset_and_memory_move_costs): Add casts to + enum type. + (setup_reg_class_relations): Likewise. + (setup_reg_class_nregs): Change cl to int. Add casts to enum type. + (setup_prohibited_class_mode_regs): Add cast to enum type. + (setup_prohibited_mode_move_regs): Likewise. + * ira-costs.c (record_reg_classes): Change rclass to enum reg_class. + (record_address_regs): Change i to enum reg_class. + * lists.c (alloc_EXPR_LIST): Add cast to enum type. + * machmode.h (GET_MODE_CLASS): Cast value to enum mode_class. + (GET_MODE_WIDER_MODE): Cast value to enum machine_mode. + (GET_MODE_2XWIDER_MODE): Likewise. + (GET_CLASS_NARROWEST_MODE): Likewise. + * omp-low.c (expand_omp_for): Add cast to enum type. + * optabs.c (debug_optab_libfuncs): Add casts to enum type. + * opts.c (enable_warning_as_error): Change kind to diagostic_t. + * postreload.c (reload_cse_simplify_operands): Change rclass local + to enum reg_class. + * predict.c (combine_predictions_for_insn): Change best_predictor + and predictor to enum br_predictor. + (combine_predictions_for_bb): Likewise. + (build_predict_expr): Change assignment to PREDICT_EXPR_OUTCOME to + use SET_PREDICT_EXPR_OUTCOME. + * real.c (real_arithmetic): Change icode to code in function call. + * reginfo.c (init_move_cost): Add casts to enum type. + (init_reg_sets_1, init_fake_stack_mems): Likewise. + * regmove.c (regclass_compatible_p): Change class0 and class1 to + enum reg_class. + * reload.c (find_valid_class): Add casts to enum type. + (push_reload): Change 0 to NO_REGS in function call. + (find_reloads): Change this_alternative to array of enum + reg_class. Remove some now-unnecessary casts. + (make_memloc): Change 0 to VOIDmode in function call. + * reload1.c (reload): Change 0 to VOIDmode in function call. + (eliminate_regs_1, elimination_effects): Likewise. + (eliminate_regs_in_insn): Likewise. + (emit_input_reload_insns): Add cast to enum type. + (delete_output_reload): Change 0 to VOIDmode in function call. + * reorg.c (insn_sets_resource_p): Convert include_delayed_effects + to enum type in function call. + * tree.h (PREDICT_EXPR_OUTCOME): Add cast to enum type. + (SET_PREDICT_EXPR_OUTCOME): Define. + * tree-dump.c (get_dump_file_info): Change phase parameter to int. + (get_dump_file_name, dump_begin, dump_enabled_p): Likewise. + (dump_initialized_p, dump_flag_name, dump_end): Likewise. + (dump_function): Likewise. + * tree-dump.h: Update declarations. + * tree-pass.h: Update declarations. + * varasm.c (assemble_integer): Change mclass to enum mode_class. + * config/arm/arm.c (thumb_legitimize_reload_address): Add cast to + enum type. + (arm_rtx_costs_1): Correct parenthesization. + (arm_rtx_costs): Add casts to enum type. + (adjacent_mem_locations): Reverse arguments to const_ok_for_op. + (vfp_emit_fstmd): Use add_rg_note. + (emit_multi_reg_push, emit_sfm): Likewise. + (thumb_set_frame_pointer): Likewise. + (arm_expand_prologue): Likewise. + (arm_regno_class): Change return type to enum reg_class. + (thumb1_expand_prologue): Use add_reg_note. + * config/arm/arm-protos.h (arm_regno_class): Update declaration. + * config/arm/arm.h (INITIALIZE_TRAMPOLINE): Change 0 to LCT_NORMAL + in function call. + * config/arm/gentune.sh: Add cast to enum type. + * config/arm/arm-tune.md: Rebuild. + * config/i386/i386.c (ix86_expand_prologue): Use add_reg_note. + (ix86_split_fp_branch, predict_jump): Likewise. + (ix86_expand_multi_arg_builtin): Change sub_code from enum + insn_code to enum rtx_code. + (ix86_builtin_vectorized_function): Add cast to enum type. + * config/i386/i386.md (truncdfsf2): Change slot to enum + ix86_stack_slot. + (truncxf<mode>2, isinf<mode>2): Likewise. + * config/i386/i386-c.c (ix86_pragma_target_parse): Add cast to + enum type. + * config/ia64/ia64.c (ia64_split_tmode_move): Use add_reg_note. + (spill_restore_mem, do_spill, ia64_expand_prologue): Likewise. + (insert_bundle_state): Change 1 to INSERT in function call. + (ia64_add_bundle_selector_before): Likewise. + * config/ia64/ia64.md (cpu attr): Add cast to enum type. + (save_stack_nonlocal): Change 0 to LCT_NORMAL in function call. + (restore_stack_nonlocal): Likewise. + * config/mips/mips.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL in + function call. + * config/mips/mips.c (mips_binary_cost): Change 0 to SET in + function call. + (mips_rtx_costs): Likewise. + (mips_override_options): Add casts to enum type. + * config/mips/sdemtk.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL + in function call. + * config/pa/pa.c (legitimize_pic_address): Use add_reg_note. + (store_reg, set_reg_plus_d): Likewise. + (hppa_expand_prologue, hppa_profile_hook): Likewise. + * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add + cast to enum type. + (altivec_expand_vec_set_builtin): Change 0 to EXPAND_NORMAL in + function call. + (emit_unlikely_jump): Use add_reg_note. + (rs6000_emit_allocate_stack): Likewise. + (rs6000_frame_related, rs6000_emit_prologue): Likewise. + (output_toc): Change 1 to INSERT in function call. + (output_profile_hook): Change 0 to LCT_NORMAL in function call. + (rs6000_initialize_trampoline): Likewise. + (rs6000_init_dwarf_reg_sizes_extra): Change 0 to EXPAND_NORMAL in + function call. + * config/s390/s390.c (s390_rtx_costs): Add cast to enum type. + (s390_expand_movmem): Change 0 to OPTAB_DIRECT in function call. + (s390_expand_setmem, s390_expand_cmpmem): Likewise. + (save_gprs): Use add_reg_note. + (s390_emit_prologue): Likewise. + (s390_expand_builtin): Change 0 to EXPAND_NORMAL in function call. + * config/sparc/sparc.c (sparc_expand_prologue): Use add_reg_note. + (sparc_fold_builtin): Add cast to enum type. + * config/spu/spu.c (spu_emit_branch_or_set): Change ior_code to + enum insn_code. + (spu_expand_prologue): Use add_reg_note. + (expand_builtin_args): Change 0 to EXPAND_NORMAL in function call. + +2009-04-20 Ian Lance Taylor <iant@google.com> + + * c-parser.c (c_parser_attributes): Change VEC back to tree list. + (c_parser_postfix_expression_after_primary): Get VEC for list of + arguments. Get original types of arguments. Call + build_function_call_vec. + (cached_expr_list_1, cached_expr_list_2): New static variables. + (c_parser_expr_list): Change return type to VEC *. Add + p_orig_types parameter. Change all callers. + (c_parser_release_expr): New static function. + (c_parser_vec_to_tree_list): New static function. + * c-typeck.c (build_function_call): Rewrite to build a VEC and + call build_function_call_vec. + (build_function_call_vec): New function, based on old + build_function_call. + (convert_arguments): Remove nargs and argarray parameters. Change + values to a VEC. Add origtypes parameter. + (build_modify_expr): Add rhs_origtype parameter. Change all callers. + (convert_for_assignment): Add origtype parameter. Change all + callers. If warn_cxx_compat, check for conversion to an enum + type when calling a function. + (store_init_value): Add origtype parameter. Change all callers. + (digest_init): Likewise. + (struct init_node): Add origtype field. + (add_pending_init): Add origtype parameter. Change all callers. + (output_init_element): Likewise. + (output_pending_init_elements): Pass origtype from init_node to + output_init_element. + (process_init_element): Pass origtype from c_expr to + output_init_element. + (c_finish_return): Add origtype parameter. Change all callers. + * c-common.c (sync_resolve_size): Change params to VEC *. Change + caller. + (sync_resolve_params): Likewise. + (sync_resolve_return): Change params to first_param. Change caller. + (resolve_overloaded_builtins): Change params to VEC *. Change + callers. Save first parameter around call to build_function_call_vec. + * c-decl.c (finish_decl): Add origtype parameter. Change all + callers. Call build_function_call_vec rather than + build_function_call for cleanup. + * c-tree.h: Update declarations. + * c-common.h: Update declarations. + * stub-objc.c (objc_rewrite_function_call): Change parameter from + params to first_param. + * target.h (struct gcc_target): Change resolve_overloaded_builtin + params parameter from tree to void *. + * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): + Change arglist parameter to have type void *, and to be a pointer + to a VEC. + * config/rs6000/rs6000-protos.h + (altivec_resolve_overloaded_builtin): Update declaration. + * config/spu/spu-c.c (spu_resolved_overloaded_builtin): Change + fnargs parameter to have type void *, and to be a pointer to a + VEC. Call build_function_call_vec instead of + build_function_call. + * config/spu/spu-protos.h (spu_expand_builtin): Update declaration. + +2009-04-20 Joey Ye <joey.ye@intel.com> + Xuepeng Guo <xuepeng.guo@intel.com> + H.J. Lu <hongjiu.lu@intel.com> + + * config/i386/atom.md: Add bypasses with ix86_dep_by_shift_count. + + * config/i386/i386.c (LEA_SEARCH_THRESHOLD): New macro. + (IX86_LEA_PRIORITY): Likewise. + (distance_non_agu_define): New function. + (distance_agu_use): Likewise. + (ix86_lea_for_add_ok): Likewise. + (ix86_dep_by_shift_count): Likewise. + + * config/i386/i386.md: Call ix86_lea_for_add_ok to decide we + should split for LEA. + + * config/i386/i386-protos.h (ix86_lea_for_add_ok): Declare new + function. + (ix86_dep_by_shift_count): Likewise. + +2009-04-20 Richard Guenther <rguenther@suse.de> + + * expr.c (handled_component_p): Move ... + * tree.h (handled_component_p): ... here. + * tree.def: Re-order BIT_FIELD_REF, COMPONENT_REF, + ARRAY_REF, ARRAY_RANGE_REF, VIEW_CONVERT_EXPR, IMAGPART_EXPR + and REALPART_EXPR to be in one group. + +2009-04-20 Richard Guenther <rguenther@suse.de> + + * basic-block.h (get_all_dominated_blocks): Declare. + * dominance.c (get_all_dominated_blocks): New function. + * tree-cfg.c (get_all_dominated_blocks): Remove. + (remove_edge_and_dominated_blocks): Adjust. + * tree-ssa-phiprop.c (tree_ssa_phiprop_1): Fold in ... + (tree_ssa_phiprop): ... here. Use get_all_dominated_blocks + instead of recursing. + +2009-04-20 Doug Kwan <dougkwan@google.com> + + * cgraph.h (cgraph_node_ptr): New type for vector functions. + (struct cgraph_node_set_def): New type. + (cgraph_node_set) New type. Also declare vector functions. + (struct cgraph_node_set_element_def): New type. + (cgraph_node_set_element): Ditto. + (cgraph_node_set_iterator): New iterator type. + (cgraph_node_set_new, cgraph_node_set_find, cgraph_node_set_add, + cgraph_node_set_remove, dump_cgraph_node_set, + debug_cgraph_node_set): New prototypes. + (csi_end_p, csi_next, csi_node, csi_start, cgraph_node_in_set_p, + cgraph_node_set_size): New inlines. + * tree-pass.h (struct cgraph_node_set_def): New decl to avoid + including cgraph.h. + (struct ipa_opt_pass): Add struct cgraph_node_set_def + argument to function 'write_summary'. + * ipa.c: Include ggc.h. + (hash_cgraph_node_set_element, + eq_cgraph_node_set_element, cgraph_node_set_new, + cgraph_node_set_add, cgraph_node_set_remove, + cgraph_node_set_find, dump_cgraph_node_set, + debug_cgraph_node_set): New functions. + * Makefile.in (ipa.o): Add dependency on GGC_H. + +2009-04-20 Ira Rosen <irar@il.ibm.com> + + PR tree-optimization/39675 + * tree-vect-loop.c (vect_transform_loop): Remove currently redundant + check of the return code of vect_schedule_slp. Check that + stmt_vec_info still exists for the statement, before checking its + vectorization type. + +2009-04-20 Michael Matz <matz@suse.de> + + * Makefile.in (generated_files): Take out $(simple_generated_c). + +2009-04-19 Dave Korn <dave.korn.cygwin@gmail.com> + + * config/i386/cygwin-stdint.h (INTPTR_TYPE): Remove "long". + (UINTPTR_TYPE): Likewise. + +2009-04-19 Joseph Myers <joseph@codesourcery.com> + + PR c/37481 + * c-typeck.c (digest_init): Check for initializing an array with a + string literal. + +2009-04-19 Joseph Myers <joseph@codesourcery.com> + + PR c/19771 + * c-semantics.c (pop_stmt_list): Propagate + STATEMENT_LIST_HAS_LABEL to parent statement list. + +2009-04-19 Adam Nemet <anemet@caviumnetworks.com> + + * config/mips/mips.h (mips_tune_attr): New macro. + * config/mips/mips.md (cpu): Use it. + +2009-04-19 Joseph Myers <joseph@codesourcery.com> + + PR c/38243 + * c-decl.c (shadow_tag_warned): Diagnose use of restrict when + declaring a tag. + +2009-04-19 Diego Novillo <dnovillo@google.com> + + * toplev.c (compile_file): Move call to coverage_finish ... + * cgraphunit.c (ipa_passes): ... here. + Call cgraph_process_new_functions. + * ipa-utils.c (get_base_var): Handle CONSTRUCTOR. + * Makefile.in (cgraphunit.o): Add dependency on COVERAGE_H. + +2009-04-19 Jan Hubicka <jh@suse.cz> + + * cgraph.c (cgraph_create_edge, cgraph_set_call_stmt): Set proper + cfun. + (dump_cgraph_node): Dump can throw external flag. + * ipa-pure-const.c (propagate): Fix propagation of nothrow flags. + +2009-04-19 Manuel López-Ibáñez <manu@gcc.gnu.org> + + PR c/32061 + PR c++/36954 + * doc/invoke.texi: Add -Wlogical-op to -Wextra. + * common.opt (Wlogical-op): Move from here... + * c.opt (Wlogical-op): ... to here. + * c-typeck.c (parser_build_binary_op): Update call to + warn_logical_operator. + * c-opts.c (c_common_post_options): Enable warn_logical_op with + extra_warnings. + * c-common.c (warn_logical_op): Update. + * c-common.h (warn_logical_op): Update declaration. + +2009-04-19 Eric Botcazou <ebotcazou@adacore.com> + + * tree.c (protected_set_expr_location): Fix formatting. + +2009-04-18 Joseph Myers <joseph@codesourcery.com> + + PR c/27676 + * c-typeck.c (readonly_warning): new. + (build_unary_op, build_modify_expr): Use readonly_warning for + storing into something readonly but not const-qualified. + +2009-04-18 Joseph Myers <joseph@codesourcery.com> + + PR c/22367 + * c-typeck.c (build_unary_op): Check for taking address of + expression of type void. + +2009-04-18 Joseph Myers <joseph@codesourcery.com> + + PR c/35210 + * c-typeck.c (build_function_call): Check for calling a function + with qualified void return types. Call require_complete_type when + generating a trap. + +2009-04-18 Jan Hubicka <jh@suse.cz> + + * cgraph.c (cgraph_make_edge, dump_cgraph_node, cgraph_set_call_stmt): + Set nothrow flag. + * cgraph.h (struct function): Reduce loop_nest to 30 bits; add + can_throw_external flag. + * ipa-reference.c (ipa_utils_reduced_inorder): Update call. + * ipa-pure-const.c (ignore_edge): New function. + (propagate): Compute order for NOTHROW computation; set NOTHROWs + only over can_throw_external edges. + (local_pure_const): Add nothrow flag. + * ipa-utils.c (searchc): Add ignore_edge callback. + (ipa_utils_reduced_inorder): Add ignore_edge callback. + * ipa-utils.h (ipa_utils_reduced_inorder): Update prototype. + (set_nothrow_function_flags): Update cgraph. + * tree-cfg.c (verify_stmt): Relax nothrow checking when in IPA mode. + +2009-04-18 Richard Guenther <rguenther@suse.de> + + PR middle-end/39804 + * tree-ssa-ccp.c (fold_stmt_1): New function factored from ... + (fold_stmt): ... this and ... + (fold_stmt_inplace): ... this. + (fold_stmt_1): Fold references in calls and asms. + * tree-cfg.c (remove_useless_stmts_cond): Use fold_stmt. + +2009-04-18 Kazu Hirata <kazu@codesourcery.com> + + * tree-vrp.c (ssa_name_nonzero_p): Remove. + * tree.h: Remove the prototype for ssa_name_nonzero_p. + +2009-04-18 Kazu Hirata <kazu@codesourcery.com> + + * tree.c (function_args_count): Remove. + * tree.h: Remove the prototype for function_args_count. + +2009-04-18 Kazu Hirata <kazu@codesourcery.com> + + * tree-iterator.c (expr_only): Remove. + * tree.h: Remove the prototype for expr_only. + +2009-04-18 Kazu Hirata <kazu@codesourcery.com> + + * reginfo.c (cannot_change_mode_set_regs): Remove. + * rtl.h: Remove the prototype for cannot_change_mode_set_regs. + +2009-04-08 Anatoly Sokolov <aesok@post.ru> + + * config/avr/avr.md (*rotlsi3_8, *rotlsi3_16, *rotlsi3_24 ): Check + whether operands 0 and 1 overlaps. + +2009-04-18 Manuel López-Ibáñez <manu@gcc.gnu.org> + + PR middle-end/36902 + * tree-vrp.c (check_array_ref): Pass a location_t instead of a + pointer. Use warning_at instead of warning. + (search_for_addr_array): Likewise. + (check_array_bounds): Likewise. + (check_all_array_refs): Check that the incoming edge is not in the + list of edges to be removed. + (check_all_array_refs): Avoid the temporal pointer. + (vrp_visit_cond_stmt): Fix typo. + (simplify_switch_using_ranges): Handle the case where the switch + index is an integer constant. + +2009-04-18 Adam Nemet <anemet@caviumnetworks.com> + + * config/mips/mips.c (mips_final_postscan_insn): Make it static. + +2009-04-18 Kazu Hirata <kazu@codesourcery.com> + + * doc/extend.texi, doc/invoke.texi: Fix typos. + +2009-04-17 Cary Coutant <ccoutant@google.com> + + * tree-flow-inline.h (get_lineno): Fix inverted test. + +2009-04-17 Diego Novillo <dnovillo@google.com> + + * tree-ssa-pre.c (create_expression_by_pieces): Remove + assertion for AVAIL_OUT. + +2009-04-17 Mike Frysinger <vapier@gentoo.org> + + PR target/38627 + * config/sh/lib1funcs.asm [__ELF__ && __linux__]: Add .note.GNU-stack. + * config/sh/linux-atomic.asm: Likewise. + +2009-04-17 Diego Novillo <dnovillo@google.com> + + * except.c (debug_eh_tree): New. + (struct eh_region, struct eh_status): Move ... + * except.h: ... here. + (add_type_for_runtime): Declare extern. + (lookup_type_for_runtime): Likewise. + (debug_eh_tree): Declare. + * Makefile.in (GTFILES): List except.h before except.c + +2009-04-17 Diego Novillo <dnovillo@google.com> + + * omp-low.c (create_omp_child_function): Set DECL_CONTEXT for DECL. + * cgraphunit.c (cgraph_build_static_cdtor): Likewise. + * tree-dfa.c (find_referenced_vars_in): Factor out of ... + (find_vars_r): ... here. + * tree-flow.h (find_referenced_vars_in): Declare. + * tree-ssa-pre.c (create_expression_by_pieces): Assert + that AVAIL_OUT exists for BLOCK. + * Makefile.in (CGRAPH_H): Add dependency on cif-code.def + (tree-loop-distribution.o): Fix dependency on TREE_VECTORIZER_H. + (tree-parloops.o): Likewise. + +2009-04-17 Simon Baldwin <simonb@google.com> + + * toplev.c (default_tree_printer): Add handling for %E format. + +2009-04-17 Diego Novillo <dnovillo@google.com> + + * tree-pretty-print.c (dump_generic_node): Add break after + TREE_BINFO handler. Handle COMPLEX_TYPE, REAL_TYPE and + FIXED_POINT_TYPE. Handle NULL TREE_TYPEs. Handle METHOD_TYPE and + FUNCTION_TYPE together. Call print_struct_decl when printing + structures and TDF_SLIM is not given. + (print_struct_decl): Fix logic for detecting recursion. + +2009-04-17 Rafael Avila de Espindola <espindola@google.com> + + PR 31567 + * gcc.c (create_at_file): New. + (compile_input_file_p): New. + (do_spec_1): Use @args files for %i. Use create_at_file for %o. + * main.c (main): Update call to toplev_main. + * toplev.c (toplev_main): Change signature. Call expandargv. + * toplev.h (toplev_main): Change signature. + +2009-04-17 Eric Botcazou <ebotcazou@adacore.com> + + * dwarf2out.c (field_byte_offset): Use the type size as the field size + if the latter is not constant. + +2009-04-17 David Edelsohn <edelsohn@gnu.org> + + * dbxout.c (xcoff_debug_hooks): Add set_name_debug_nothing. + +2009-04-17 Eric Botcazou <ebotcazou@adacore.com> + + * dbxout.c (dbxout_block): Reinstate test on TREE_USED. + * tree-ssa-live.c (remove_unused_scope_block_p): Update TREE_USED bit. + +2009-04-17 Richard Guenther <rguenther@suse.de> + + * tree-ssa-structalias.c (get_constraint_for_component_ref): + Handle component references view-converting an invariant address. + +2009-04-17 Adam Nemet <anemet@caviumnetworks.com> + + * doc/tm.texi (TARGET_DEFAULT_TARGET_FLAGS, + TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET, + TARGET_HAVE_SRODATA_SECTION, TARGET_HAVE_TLS, + TARGET_UNWIND_TABLES_DEFAULT, TARGET_TERMINATE_DW2_EH_FRAME_INFO): + Use @deftypevr rather than @deftypevar. + +2009-04-17 Richard Guenther <rguenther@suse.de> + + * tree-ssa-forwprop.c (get_prop_dest_stmt): Clean up tuplification. + (get_prop_source_stmt): Likewise. + (can_propagate_from): Likewise. + +2009-04-17 Andrew Stubbs <ams@codesourcery.com> + + * configure.ac: Add new AC_SUBST for TM_ENDIAN_CONFIG, + TM_MULTILIB_CONFIG and TM_MULTILIB_EXCEPTIONS_CONFIG. + (--with-multilib-list): Add default value. + * configure: Regenerate. + * Makefile.in (TM_ENDIAN_CONFIG): Define. + (TM_MULTILIB_CONFIG, TM_MULTILIB_EXCEPTIONS_CONFIG): Define. + * config.gcc (sh-*-*): Switch to using TM_ENDIAN_CONFIG, + TM_MULTILIB_CONFIG, and TM_MULTILIB_EXCEPTIONS_CONFIG. + Don't add default cpu to multilib list unnecessarily, but do enable + the relevant compiler option.. + Add support for --with-multilib-list=<blank> and + --with-multilib-list=!<somelib> to supress unwanted multilibs. + * config/sh/t-sh (DEFAULT_ENDIAN, OTHER_ENDIAN): New variables. + (MULTILIB_ENDIAN, MULTILIB_CPUS): Delete variables. + (MULTILIB_OPTIONS): Redefine using OTHER_ENDIAN and + TM_MULTILIB_CONFIG. + (MULTILIB_EXCEPTIONS): Add TM_MULTILIB_EXCEPTIONS_CONFIG. + (MULTILIB_OSDIRNAMES): New variable. + * config/sh/t-1e: Delete file. + * config/sh/t-mlib-sh1: Delete file. + * config/sh/t-mlib-sh2: Delete file. + * config/sh/t-mlib-sh2a: Delete file. + * config/sh/t-mlib-sh2a-nofpu: Delete file. + * config/sh/t-mlib-sh2a-single: Delete file. + * config/sh/t-mlib-sh2a-single-only: Delete file. + * config/sh/t-mlib-sh2e: Delete file. + * config/sh/t-mlib-sh3e: Delete file. + * config/sh/t-mlib-sh4: Delete file. + * config/sh/t-mlib-sh4-nofpu: Delete file. + * config/sh/t-mlib-sh4-single: Delete file. + * config/sh/t-mlib-sh4-single-only: Delete file. + * config/sh/t-mlib-sh4a: Delete file. + * config/sh/t-mlib-sh4a-nofpu: Delete file. + * config/sh/t-mlib-sh4a-single: Delete file. + * config/sh/t-mlib-sh4a-single-only: Delete file. + * config/sh/t-mlib-sh4al: Delete file. + * config/sh/t-mlib-sh5-32media: Delete file. + * config/sh/t-mlib-sh5-32media-nofpu: Delete file. + * config/sh/t-mlib-sh5-64media: Delete file. + * config/sh/t-mlib-sh5-64media-nofpu: Delete file. + * config/sh/t-mlib-sh5-compact: Delete file. + * config/sh/t-mlib-sh5-compact-nofpu: Delete file. + * config/sh/t-linux: Don't override MULTILIB_EXCEPTIONS. + * doc/install.texi (Options specification): Add + --with-multilib-list and --with-endian. + +2009-04-17 Rafael Avila de Espindola <espindola@google.com> + + * Makefile.in (REVISION_s): Always include quotes. Change ifdef to use + REVISION_c. + (OBJS-common): Add plugin-version.o. + (plugin-version.o): New. + * gcc-plugin.h (plugin_gcc_version): New. + (plugin_default_version_check): New. + (plugin_init_func, plugin_init): Add version argument. + * plugin-version.c: New. + * plugin.c (str_plugin_gcc_version_name): New. + (try_init_one_plugin): Read plugin_gcc_version from the plugin and + pass it to the init function. + (plugin_default_version_check): New. + +2009-04-17 Richard Guenther <rguenther@suse.de> + + * tree-ssa-alias.c (refs_may_alias_p_1): Do not use TBAA + for decl-vs-decl disambiguation. + +2009-04-17 Andreas Krebbel <krebbel1@de.ibm.com> + + * config/s390/s390.h (s390_tune_attr): New macro definition. + * config/s390/s390.md (cpu attribute): Map to s390_tune_attr. + +2009-04-17 Richard Guenther <rguenther@suse.de> + + * tree-ssa-ccp.c (struct fold_stmt_r_data): Remove. + (fold_stmt_r): Likewise. + (maybe_fold_reference): New function. + (fold_gimple_assign): Handle cases fold_stmt_r did. + (fold_stmt): Do not use fold_stmt_r. + (fold_stmt_inplace): Likewise. + +2009-04-17 Richard Guenther <rguenther@suse.de> + + * tree-ssa-dom.c (gimple_assign_unary_useless_conversion_p): Remove. + (record_equivalences_from_stmt): Remove useless checks and + simplifications. + * tree-ssa-pre.c (eliminate): Avoid converting a constant if + the type is already suitable. + +2009-04-17 Paolo Bonzini <bonzini@gnu.org> + + * config/sh/sh.h (FUNCTION_VALUE): Fix call to sh_promote_prototypes. + +2009-04-17 Uros Bizjak <ubizjak@gmail.com> + + * config/arm/sfp-machine.h (__gcc_CMPtype): New typedef. + (CMPtype): Define as __gcc_CMPtype. + +2009-04-17 Aurelien Jarno <aurelien@aurel32.net> + + * config.gcc: Add soft-fp/t-softfp and i386/t-linux to tmake_file + for i[34567]86-*-kfreebsd*-gnu*, x86_64-*-kfreebsd*-gnu*. + +2009-04-17 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/39746 + * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Remove + special-casing for builtins and static variable use/def. + (call_may_clobber_ref_p_1): Likewise. + +2009-04-16 Ian Lance Taylor <iant@google.com> + + * df.h: Include "timevar.h". + (struct df_problem): Change tv_id field to timevar_id_t. + * tree-pass.h: Include "timevar.h". + (struct opt_pass): Change tv_id field to timevar_id_t. + * timevar.h (timevar_id_t): Define TV_NONE. + * passes.c (execute_one_ipa_transform_pass): Check for tv_id != + TV_NONE rather than tv_id != 0. + (execute_one_pass): Likewise. + * Makefile.in (DF_H): Add $(TIMEVAR_H). + (TREE_PASS_H): Define. Change all instances of tree-pass.h in + dependencies to $(TREE_PASS_H). + * bt-load.c (pass_branch_target_load_optimize1): Set tv_id field + to TV_NONE. + (pass_branch_target_load_optimize2): Likewise. + * cfglayout.c (pass_into_cfg_layout_mode): Likewise. + (pass_outof_cfg_layout_mode): Likewise. + * cgraphbuild.c (pass_remove_cgraph_callee_edges): Likewise. + (pass_rebuild_cgraph_edges): Likewise. + (pass_remove_cgraph_callee_edges): Likewise. + * df-core.c (pass_df_initialize_opt): Likewise. + (pass_df_initialize_no_opt): Likewise. + (pass_df_finish): Likewise. + * emit-rtl.c (pass_unshare_all_rtl): Likewise. + * except.c (pass_set_nothrow_function_flags): Likewise. + (pass_convert_to_eh_region_ranges): Likewise. + * final.c (pass_compute_alignments): Likewise. + * function.c (pass_instantiate_virtual_regs): Likewise. + (pass_init_function): Likewise. + (pass_leaf_regs): Likewise. + (pass_match_asm_constraints): Likewise. + * gimple-low.c (pass_lower_cf): Likewise. + (pass_mark_used_blocks): Likewise. + * init-regs.c (pass_initialize_regs): Likewise. + * integrate.c (pass_initial_value_sets): Likewise. + * ira.c (pass_ira): Likewise. + * jump.c (pass_cleanup_barriers): Likewise. + * omp-low.c (pass_expand_omp): Likewise. + (pass_lower_omp): Likewise. + * matrix-reorg.c (pass_ipa_matrix_reorg): Likewise. + * recog.c (pass_split_all_insns): Likewise. + (pass_split_after_reload): Likewise. + (pass_split_before_regstack): Likewise. + (pass_split_before_sched2): Likewise. + (pass_split_for_shorten_branches): Likewise. + * reginfo.c (pass_reginfo_init): Likewise. + (pass_subregs_of_mode_init): Likewise. + (pass_subregs_of_mode_finish): Likewise. + * passes.c (pass_postreload): Likewise. + * stack-ptr-mod.c (pass_stack_ptr_mod): Likewise. + * tree-cfg.c (pass_remove_useless_stmts): Likewise. + (pass_warn_function_return): Likewise. + (pass_warn_function_noreturn): Likewise. + * tree-complex.c (pass_lower_complex): Likewise. + (pass_lower_complex_O0): Likewise. + * tree-if-conv.c (pass_if_conversion): Likewise. + * tree-into-ssa.c (pass_build_ssa): Likewise. + * tree-mudflap.c (pass_mudflap_1): Likewise. + (pass_mudflap_2): Likewise. + * tree-nomudflap.c (pass_mudflap_1): Likewise. + (pass_mudflap_2): Likewise. + * tree-nrv.c (pass_return_slot): Likewise. + * tree-object-size.c (pass_object_sizes): Likewise. + * tree-optimize.c (pass_all_optimizations): Likewise. + (pass_early_local_passes): Likewise. + (pass_all_early_optimizations): Likewise. + (pass_cleanup_cfg): Likewise. + (pass_cleanup_cfg_post_optimizing): Likewise. + (pass_free_datastructures): Likewise. + (pass_free_cfg_annotations): Likewise. + (pass_fixup_cfg): Likewise. + (pass_init_datastructures): Likewise. + * tree-ssa.c (pass_early_warn_uninitialized): Likewise. + (pass_late_warn_uninitialized): Likewise. + (pass_update_address_taken): Likewise. + * tree-ssa-ccp.c (pass_fold_builtins): Likewise. + * tree-ssa-math-opts.c (pass_cse_reciprocals): Likewise. + (pass_cse_sincos): Likewise. + (pass_convert_to_rsqrt): Likewise. + * tree-ssa-structalias.c (pass_build_alias): Likewise. + * tree-stdarg.c (pass_stdarg): Likewise. + * tree-tailcall.c (pass_tail_recursion): Likewise. + (pass_tail_calls): Likewise. + * tree-vect-generic.c (pass_lower_vector): Likewise. + (pass_lower_vector_ssa): Likewise. + * tree-vectorizer.c (pass_ipa_increase_alignment): Likewise. + +2009-04-16 Joseph Myers <joseph@codesourcery.com> + + * config/mips/mips.c (mips_rtx_cost_data): Use SOFT_FP_COSTS in + XLR entry. + * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC, MIPS_ARCH_FLOAT_SPEC): + Handle -march=xlr. + * config/mips/xlr.md (ir_xlr_alu): Also accept insn types move, + logical and signext. + +2009-04-16 Kaz Kojima <kkojima@gcc.gnu.org> + + PR target/39767 + * config/sh/predicates.md (arith_operand): Check if the operand + of TRUNCATE is a REG. + +2009-04-16 Kazu Hirata <kazu@codesourcery.com> + + * cfgrtl.c (delete_insn_chain_and_edges): Remove. + * rtl.h: Remove the prototype for delete_insn_chain_and_edges. + +2009-04-16 Kazu Hirata <kazu@codesourcery.com> + + * tree-iterator.c (tsi_split_statement_list_after, + tsi_split_statement_list_before): Remove. + * tree-iterator.h: Remove the prototypes for + tsi_split_statement_list_after and tsi_split_statement_list_before. + +2009-04-16 Kazu Hirata <kazu@codesourcery.com> + + * tree-ssa-propagate.c (stmt_makes_single_load): Remove. + * tree-ssa-propagate.h: Remove the prototype for + stmt_makes_single_load. + +2009-04-16 Kazu Hirata <kazu@codesourcery.com> + + * emit-rtl.c (set_mem_attrs_from_reg): Remove. + * rtl.h: Remove the prototype for set_mem_attrs_from_reg. + +2009-04-16 Kazu Hirata <kazu@codesourcery.com> + + * tree-iterator.c (EXPR_LAST_BODY): Remove. + +2009-04-16 Kazu Hirata <kazu@codesourcery.com> + + * except.c (eh_region_outer_p): Remove. + * except.h: Remove the prototype for eh_region_outer_p. + +2009-04-16 Kazu Hirata <kazu@codesourcery.com> + + * function.c (current_function_assembler_name): Remove. + * function.h: Remove the prototype for + current_function_assembler_name. + +2009-04-16 Ian Lance Taylor <iant@google.com> + + * rtlanal.c (alloc_reg_note): New function, broken out of add_reg_note. + (add_reg_note): Call alloc_reg_note. + * rtl.h (alloc_reg_note): Declare. + * combine.c (try_combine): Use alloc_reg_note. + (recog_for_combine, move_deaths): Likewise. + (distribute_notes): Use alloc_reg_note and add_reg_note. + * haifa-sched.c (sched_create_recovery_edges): Use add_reg_note. + * combine-stack-adj.c (adjust_frame_related_expr): Likewise. + * reload1.c (eliminate_regs_1): Use alloc_reg_note. + +2009-04-16 Vladimir Makarov <vmakarov@redhat.com> + + PR rtl-optimization/39762 + * ira-int.h (ira_register_move_cost, ira_may_move_in_cost, + ira_may_move_out_cost): Add comments about way of their usage. + (ira_get_register_move_cost, ira_get_may_move_cost): New functions. + + * ira-conflicts.c (process_regs_for_copy): Use function + ira_get_register_move_cost instead of global + ira_register_move_cost. + + * ira-color.c (update_copy_costs, calculate_allocno_spill_cost, + color_pass, move_spill_restore, update_curr_costs): Ditto. + + * ira-lives.c (process_single_reg_class_operands): Ditto. + + * ira-emit.c (emit_move_list): Ditto. + + * ira-costs.c (copy_cost): Don't call ira_init_register_move_cost. + (record_reg_classes): Ditto. Use functions + ira_get_register_move_cost and ira_get_may_move_cost instead of + global vars ira_register_move_cost, ira_may_move_out_cost and + ira_may_move_in_cost. + (record_address_regs): Don't call ira_init_register_move_cost. + Use function ira_get_may_move_cost instead of global + ira_may_move_in_cost. + (process_bb_node_for_hard_reg_moves): Use function + ira_get_register_move_cost instead of global ira_register_move_cost. + (ira_costs): Don't call ira_init_register_move_cost. + +2009-04-16 Richard Guenther <rguenther@suse.de> + + * tree-cfg.c (verify_gimple_assign_binary): + Allow POINTER_PLUS_EXPR-like PLUS_EXPR for vectors. + * ipa-struct-reorg.c (gen_size): Fold the built expressions. + (create_general_new_stmt): Note that this function is broken. + +2009-04-16 Rafael Avila de Espindola <espindola@google.com> + + * common.opt (fhelp): Add Var(help_flag). + * gcc-plugin.h (plugin_info): Add help. + * plugin.c (plugin_name_args): Add help. + (register_plugin_info): Set plugin->help. + (print_help_one_plugin): New. + (print_plugins_help): New. + * plugin.h (print_plugins_help): New. + * toplev.c (toplev_main): Call print_plugins_help if needed. + +2009-04-16 Richard Guenther <rguenther@suse.de> + + * gimple.c (gimple_copy): Do not clear addresses_taken bitmap. + (gimple_ior_addresses_taken_1): New function. + (gimple_ior_addresses_taken): Likewise. + * gimple.h (struct gimple_statement_with_ops_base): Remove + addresses_taken member. + (gimple_ior_addresses_taken): Declare. + (gimple_addresses_taken, gimple_addresses_taken_ptr, + gimple_set_addresses_taken): Remove. + * ipa-reference.c (mark_address): New function. + (scan_stmt_for_static_refs): Use it for marking addresses taken. + * tree-ssa-operands.c (add_to_addressable_set): Rename to ... + (mark_address_taken): ... this. Just set TREE_ADDRESSABLE. + (gimple_add_to_addresses_taken): Remove. + (get_tmr_operands): Call mark_address_taken. + (get_asm_expr_operands): Likewise. + (get_expr_operands): Likewise. + (build_ssa_operands): Do not clear the addresses_taken bitmap. + (free_stmt_operands): Do not free it. + * tree-ssa.c (delete_tree_ssa): Likewise. + (execute_update_addresses_taken): Use gimple_ior_addresses_taken. + +2009-04-16 Richard Guenther <rguenther@suse.de> + + * gimple.h (walk_stmt_load_store_addr_ops): Declare. + (walk_stmt_load_store_ops): Likewise. + * gimple.c (get_base_loadstore): New function. + (walk_stmt_load_store_addr_ops): Likewise. + (walk_stmt_load_store_ops): Likewise. + * ipa-pure-const.c (check_op): Simplify. + (check_load, check_store): New functions. + (check_stmt): Use walk_stmt_load_store_ops. + * ipa-reference.c (mark_load): Adjust signature. + (mark_store): Likewise. + (scan_stmt_for_static_refs): Use walk_stmt_load_store_addr_ops. + +2009-04-16 Rafael Avila de Espindola <espindola@google.com> + + * gcc-plugin.h (plugin_event): Add PLUGIN_INFO. + (plugin_info): New. + * opts.c (common_handle_option): Don't call print_version. + * plugin.c (plugin_name_args): Add version. + (register_plugin_info): New. + (register_callback): Handle PLUGIN_INFO. + (try_init_one_plugin): New. + (init_one_plugin): Use try_init_one_plugin. Only free plugin_name_args + if failed to init. + (finalize_one_plugin): New. + (finalize_plugins): New. + (print_one_plugin): New. + (print_plugins_versions): New. + * plugin.h (print_plugins_versions): New. + (finalize_plugins): New. + * toplev.c (compile_file): Don't call initialize_plugins. + (print_version): Call print_plugins_versions. + (toplev_main): Call initialize_plugins. Print version if needed. + Call finalize_plugins. + +2009-04-16 Rafael Avila de Espindola <espindola@google.com> + + * common.opt (fversion): New. + * gcc.c (print_version): New. + (process_command): Don't print the version. Just set print_version. + (main): Print version. Call subprocesses if print_version and + verbose_flag are set. + * opts.c (common_handle_option): Handle OPT_fversion. + +2009-04-16 Richard Guenther <rguenther@suse.de> + Ira Rosen <irar@il.ibm.com> + + PR tree-optimization/39698 + * tree-vect-loop.c (get_initial_def_for_reduction): Use the + type of the reduction variable. Only generate the def if + it is needed. + + * omp-low.c (expand_omp_for_generic): When converting to a pointer + make sure to first convert to an integer of the same precision. + * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer): Retain + the type of the evolution correctly in computing the new + induction variable base. + +2009-04-16 Richard Guenther <rguenther@suse.de> + + PR middle-end/39625 + * tree-cfg.c (make_blocks): Split statements with to-be + abnormal SSA names on the lhs. + +2009-04-16 Paolo Bonzini <bonzini@gnu.org> + + * c-common.c (vector_targets_convertible_p, vector_types_convertible_p): + Use TYPE_VECTOR_OPAQUE instead of targetm.vector_opaque_p. + * c-typeck.c (really_start_incremental_init): Likewise. + * target-def.h (TARGET_VECTOR_OPAQUE_P): Remove. + (TARGET_INITIALIZER): Remove it. + * target.h (struct target): Remove vector_opaque_p. + * tree.c (build_opaque_vector_type): New. + * tree.h (TYPE_VECTOR_OPAQUE): New. + (build_opaque_vector_type): Declare. + * doc/tm.texi (TARGET_VECTOR_OPAQUE_P): Remove. + * config/rs6000/rs6000.c (build_opaque_vector_type, + rs6000_is_vector_type, TARGET_VECTOR_OPAQUE_P): Remove. + (rs6000_init_builtins): Use build_opaque_vector_type for + opaque_V4SI_type_node. + +2009-04-15 Catherine Moore <clm@codesourcery.com> + + * debug.h (set_name): Declare. + * dwarf2out.c (dwarf2out_set_name): Declare. + (dwarf2_debug_hooks): Add set_name. + (find_AT_string): New. + (add_AT_string): Call find_AT_string. + (dwarf2out_set_name): New. + * cp/decl.c (grokdeclarator): Call set_name. + * vmsdbgout.c (vmsdbg_debug_hooks): Add set_name_debug_nothing. + * debug.c (do_nothing_debug_hooks): Likewise. + * dbxout.c (dbx_debug_hooks): Likewise. + * sdbout.c (sdb_debug_hooks): Likewise. + +2009-04-15 Michael Eager <eager@eagercon.com> + + * config/rs6000/rs6000.c (rs6000_function_value): Set function return + reg for single-precision FPU. + * config/rs6000/rs6000.md (movsi_internal1): Only for + !TARGET_SINGLE_FPU. + (movsi_internal1_single): New. Add pattern to move SI values to/from + single-precision FP regs. + +2009-04-15 Richard Guenther <rguenther@suse.de> + + * omp-low.c (lower_rec_input_clauses): Build correct address + expressions. + (expand_omp_for_generic): Fix multiplication type. + * tree-loop-distribution.c (build_size_arg): Build a size_t argument. + (generate_memset_zero): Fix types. + * tree-profile.c (prepare_instrumented_value): Correctly + widen a pointer. + +2009-04-15 Ian Lance Taylor <iant@google.com> + + * c.opt (Wenum-compare): Enable for C and Objc. Initialize to -1. + * c-opts.c (c_common_handle_option): For C, set warn_enum_compare + for -Wall and for -Wc++-compat. + (c_common_post_options): For C++, set warn_enum_compare if not + already set. + * c-tree.h (struct c_expr): Add field original_type. + (build_external_ref): Update declaration. + * c-parser.c (c_parser_braced_init): Set original_type. + (c_parser_initelt): Likewise. + (c_parser_expr_no_commas): Likewise. + (c_parser_conditional_expression): Likewise. + (c_parser_cast_expression): Likewise. + (c_parser_unary_expression): Likewise. Pull setting of + original_code to top of function. + (c_parser_sizeof_expression): Set original_type. + (c_parser_alignof_expression): Likewise. + (c_parser_postfix_expression): Likewise. Pull setting of + original_code to top of function. + (c_parser_postfix_expression_after_paren_type): Set original_type. + (c_parser_postfix_expression_after_primary): Likewise. + (c_parser_expression): Likewise. + * c-typeck.c (build_external_ref): Add type parameter. Change all + callers. + (c_expr_sizeof_expr): Set original_type field. + (parser_build_unary_op): Likewise. + (parser_build_binary_op): Likewise. Optionally warn about + comparisons of enums of different types. + (digest_init): Set original_type field. + (really_start_incremental_init): Likewise. + (push_init_level, pop_init_level): Likewise. + * doc/invoke.texi (Warning Options): -Wenum-compare now + supported in C. + +2009-04-15 Richard Guenther <rguenther@suse.de> + + * tree-ssa-pre.c (eliminate): When replacing a PHI node carry + out a necessary conversion. + * tree-ssa-sccvn.c (run_scc_vn): Also assign value-ids to + names we didn't value number. + * tree-mudflap.c (mf_build_check_statement_for): Use correct types. + +2009-04-15 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/39764 + * tree-ssa-ccp.c (get_value): Canonicalize value with + canonicalize_float_value. + +2009-04-15 Jan Hubicka <jh@suse.cz> + + * builtins.def (va_start, va_end, va_copy): Fix my previous commit. + Wrong version of patch. + +2009-04-15 Jan Hubicka <jh@suse.cz> + + * builtins.def (va_start, va_end, va_copy): Mark nothrow. + +2009-04-15 Nathan Sidwell <nathan@codesourcery.com> + + * config/rs6000/rs6000.c (rs6000_init_builtins): Set TYPE_NAME of + our distinct integral and vector types. + +2009-04-15 Rafael Avila de Espindola <espindola@google.com> + + * class.c (build_vtbl_ref_1): Remove call to assemble_external. + * init.c (build_vtbl_address): Remove call to assemble_external. + +2009-04-14 Daniel Jacobowitz <dan@codesourcery.com> + + * config/rs6000/rs6000.c (rs6000_dwarf_register_span): Fix debug + output for other floating point modes. + +2009-04-14 Diego Novillo <dnovillo@google.com> + + * diagnostic.c (diagnostic_report_diagnostic): Do not + warn about loaded plugins for DK_ERROR and DK_WARNING. + * c-decl.c (declspecs_add_type): Move call to + invoke_plugin_callbacks ... + * c-parser.c (c_parser_declspecs): ... here. + * plugin.c (dump_active_plugins): Tidy output. + +2009-04-14 Diego Novillo <dnovillo@google.com> + Le-Chun Wu <lcwu@google.com> + + * configure.ac: Add --enable-plugin support. + Define ENABLE_PLUGIN and PLUGINLIBS when specified. + * Makefile.in (PLUGIN_H): Define. + Export ENABLE_PLUGIN and GMPINC to site.exp. + Add PLUGINLIBS to link command. + Add/modify dependencies for plugin.o and files including plugin.h. + (plugin.o): New. + * config.in: Regenerate. + + * opts.c (common_handle_option): Handle OPT_fplugin_ and + OPT_fplugin_arg_. + +2009-04-14 Le-Chun Wu <lcwu@google.com> + + * tree-pass.h (register_one_dump_file): Add a prototype for + register_one_dump_file. + * toplev.c (compile_file): Call initialize_plugins. + (do_compile): Call invoke_plugin_callbacks. + (toplev_main): Call invoke_plugin_callbacks. + * common.opt: Add -fplugin= and -fplugin-arg-. + * gcc-plugin.h: New public header file for plugins to include. + * plugin.c: New source file. + * plugin.h: New internal header file. + * passes.c (register_one_dump_file): Make it external. + + * c-parser.c (c_parser_declspecs): Call invoke_plugin_callbacks. + +2009-04-14 Diego Novillo <dnovillo@google.com> + + * doc/plugins.texi: New. + * doc/gccint.texi: Add reference to Plugins chapter. + * doc/invoke.texi: Document -fplugin and -fplugin-arg + * diagnostic.c (diagnostic_report_diagnostic): Warn about + loaded plugins, if any. + * timevar.def (TV_PLUGIN_INIT): Define. + (TV_PLUGIN_RUN): Define. + * plugin.c: Include timevar.h + (plugins_active_p): New. + (dump_active_plugins): New. + (debug_active_plugins): New. + +2009-04-14 Joseph Myers <joseph@codesourcery.com> + + * config/sol2.h (LINK_ARCH32_SPEC_BASE): Use %R with absolute + library paths. + * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Likewise. + +2009-04-14 Kazu Hirata <kazu@codesourcery.com> + + * config/arm/arm.c (arm_rtx_costs_1): Treat a minus with a shift + the same as a minus without a shift. + +2009-04-14 Nick Clifton <nickc@redhat.com> + + * config/stormy16/stormy16.md (ineqbranch_1): Do not assume that + comparisons with small integers will always produce a short + branch. + +2009-04-14 Rafael Avila de Espindola <espindola@google.com> + + Merge: + 2008-12-19 Diego Novillo <dnovillo@google.com> + + * cgraph.c (dump_cgraph_node): Show memory address of NODE. + +2009-04-14 Richard Guenther <rguenther@suse.de> + + * tree-cfg.c (verify_gimple_assign_unary): Adjust vector code + verification. + (verify_gimple_assign_binary): Likewise. Handle shifts and + rotates correctly. + (verify_gimple_phi): Print the mismatched argument position. + * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer): + Fix types. + (vect_update_init_of_dr): Likewise. + * matrix-reorg.c (transform_access_sites): Do what the + comment suggests. + * omp-low.c (expand_omp_atomic_pipeline): Use the correct types. + +2009-04-13 Michael Eager <eager@eagercon.com> + + * config/rs6000/rs6000-c.c: generate defines if rs6000_xilinx_fpu: + _XFPU, _XFPU_SP_LITE, _XFPU_SP_FULL, _XFPU_DP_LITE, _XFPU_DP_FULL + * config/rs6000/xilinx.h: New. Spec for powerpc-xilinx-eabi + * config.gcc (powerpc-xilinx-eabi): add xilinx.h to tm_file, + remove duplicate config + +2009-04-13 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com> + + * ipa-inline.c (cgraph_decide_inlining_of_small_function): Dump + file_name:line_number type locator of the call site. + +2009-04-13 Vladimir Makarov <vmakarov@redhat.com> + + * genautomata.c: Put blank after comma. + (automaton_decls): New. + (struct unit_usage): Add comments to member next. + (store_alt_unit_usage): Keep the list ordered. + (unit_present_on_list_p, equal_alternatives_p): New. + (check_regexp_units_distribution): Check units distribution + correctness correctly. + (main): Don't write automata if error is found. Return correct + exit code. + + * config/m68k/cf.md (cfv4_ds): Remove. + (cfv4_pOEP1, cfv4_sOEP1, cfv4_pOEP2,cfv4_sOEP2, cfv4_pOEP3, + cfv4_sOEP3): Assign to cfv4_oep instead of cfv4_ds. + + * config/rs6000/power4.md (lsuq_power4, iq_power4, fpq_power4, + power4-load-ext, power4-store, power4-store-update, + power4-fpstore, power4-fpstore-update, power4-two, power4-three, + power4-insert, power4-compare, power4-lmul-cmp, power4-imul-cmp, + power4-lmul, , power4-imul, power4-imul3, power4-sdiv, + power4-sqrt, power4-isync): Modify reservation to make correct + unit distribution to automata. + + * config/rs6000/power5.md (iq_power5, fpq_power5, power5-store, + power5-store-update, power5-two, power5-three, power5-lmul, + power5-imul, power5-imul3, power5-sdiv, power5-sqrt): Ditto. + +2009-04-13 Adam Nemet <anemet@caviumnetworks.com> + + * except.c (pass_set_nothrow_function_flags): Set name and add + TODO_dump_func. + (set_nothrow_function_flags): Mention in the dump file when + changing a function to nothrow. + +2009-04-13 Ozkan Sezer <sezeroz@gmail.com> + + PR/39066 + * gbl-ctors.h (DO_GLOBAL_CTORS_BODY): Use __SIZE_TYPE__ + instead of unsigned long. + +2009-04-13 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com> + + * config/arm/arm.c (return_used_this_function): Remove. + (arm_output_function_prologue): Remove use of + return_used_this_function. + (output_return_instruction): Replace use of + return_used_this_function + by cfun->machine->return_used_this_function. + (arm_output_epilogue): Likewise. + (arm_output_function_epilogue): Likewise. + (thumb_unexpanded_epilogue): Likewise. + * config/arm/arm.h (struct machine_function): + New member return_used_this_function. + +2009-04-12 Mark Mitchell <mark@codesourcery.com> + + * doc/install.texi: Correct description of default directory for + --with-gxx-include-dir. + +2009-04-12 Eric Botcazou <ebotcazou@adacore.com> + + * fold-const.c (build_range_check): Properly deal with enumeral and + boolean base types. + +2009-04-12 Steven Bosscher <steven@gcc.gnu.org> + + * doc/invoke.texi (max_gcse_passes): Remove documentation. + * params.def (PARAM_MAX_GCSE_PASSES): Remove. + * params.h (MAX_GCSE_PASSES): Remove. + * gcse.c (gcse_main): Run CPROP1, PRE or HOIST, and CPROP2 + in sequence. Remove ability to run multiple passes. + (bypass_jumps): Report run as third CPROP pass. + +2009-04-12 Adam Nemet <anemet@caviumnetworks.com> + + PR middle-end/39651 + * except.c (can_throw_external): Look at each insn in a SEQUENCE + when deciding whether the whole SEQUENCE can throw. + +2009-04-12 Uros Bizjak <ubizjak@gmail.com> + + PR target/39740 + * config/alpha/predicates.md (local_symbolic_operand): Return 1 for + offseted label references. + +2009-04-11 Jan Hubicka <jh@suse.cz> + + * tree-ssa-pre.c (eliminate): Fix call of update_stmt. + +2009-04-11 Richard Guenther <rguenther@suse.de> + + PR middle-end/39732 + * tree-inline.c (declare_return_variable): Mark DECL_BY_REFERENCE + return variables as TREE_ADDRESSABLE. + +2009-04-11 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/39713 + * tree-ssa-sccvn.c (vn_get_expr_for): Make sure built + reference trees have SSA_NAME operands. + +2009-04-11 Richard Guenther <rguenther@suse.de> + + PR c/39712 + * c-gimplify.c (c_gimplify_expr): Adjust check for mismatched + address expressions. + +2009-04-11 Dave Korn <dave.korn.cygwin@gmail.com> + + * config/i386/cygwin-stdint.h (INT_LEAST32_TYPE): Update to + match changes in Cygwin 1.7 + (UINT_LEAST32_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE, + UINT_FAST16_TYPE, UINT_FAST32_TYPE): Likewise. + +2009-04-10 Paolo Bonzini <bonzini@gnu.org> + + PR tree-optimization/39701 + * doc/invoke.texi (Optimization Options): Document change in + meaning and initialization of -fdelete-null-pointer-checks. + +2009-04-10 H.J. Lu <hongjiu.lu@intel.com> + + PR middle-end/39701 + * common.opt (-fdelete-null-pointer-checks): Initialize to 1. + + * opts.c (decode_options): Don't set flag_delete_null_pointer_checks + here. + + * doc/invoke.texi: Update -fdelete-null-pointer-checks. + +2009-04-10 Chao-ying Fu <fu@mips.com> + + * doc/tm.texi (Instruction Output): Document + TARGET_ASM_FINAL_POSTSCAN_INSN. + * target.h (final_postscan_insn): New field in asm_out. + * target-def.h (TARGET_ASM_FINAL_POSTSCAN_INSN): New define. + (TARGET_ASM_OUT): Add TARGET_ASM_FINAL_POSTSCAN_INSN. + * final.c (final_scan_insn): Call + targetm.asm_out.final_postscan_insn after outputting + an asm macro and a normal instruction. + + * config/mips/mips.h (FINAL_PRESCAN_INSN): New define. + * config/mips/mips-protos.h (mips_final_prescan_insn): Declare. + * config/mips/mips.c (mips_at_reg_p): New for_each_rtx callback. + (mips_final_prescan_insn, mips_final_postscan_insn): New functions. + (TARGET_ASM_FINAL_POSTSCAN_INSN): New define. + +2009-04-10 Paolo Bonzini <bonzini@gnu.org> + + PR middle-end/39701 + * fold-const.c (tree_single_nonzero_warnv_p): Pass non-static + variables as non-NULL even with -fdelete-null-pointer-checks. + +2009-04-10 H.J. Lu <hongjiu.lu@intel.com> + + * config/rs6000/darwin-vecsave.asm: Remove extra "*/". + +2009-04-09 H.J. Lu <hongjiu.lu@intel.com> + + PR target/39678 + * config/i386/i386.c (classify_argument): Handle SCmode with + (bit_offset % 64) != 0. + +2009-04-09 Sandra Loosemore <sandra@codesourcery.com> + + * doc/invoke.texi (Optimize Options): Add cross-reference to + -Q --help=optimizers examples. + +2009-04-10 Ben Elliston <bje@au.ibm.com> + + PR target/36800 + * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Do not set + regalign for the reg == fpr and TDmode case. + +2009-04-09 David Ayers <ayers@fsfe.org> + + PR objc/29200 + * objc/objc-act.c (warn_with_method): Remove helper function. + (check_duplicates): Call warning and inform directly. + (really_start_method): Likewise. + +2009-04-09 Paolo Bonzini <bonzini@gnu.org> + + * expmed.c (expand_divmod): Always use a comparison for a division + by a large unsigned integer. + + * fold-const.c (tree_single_nonzero_warnv_p): Always treat decls + for things others than variables or functions as nonzero. + +2009-04-09 Nick Clifton <nickc@redhat.com> + + * unwind-compat.c: Change copyright header to refer to version + 3 of the GNU General Public License with version 3.1 of the + GCC Runtime Library Exception and to point readers at the + COPYING3 and COPYING3.RUNTIME files and the FSF's license web page. + * config/alpha/crtfastmath.c: Likewise. + * config/alpha/linux-unwind.h: Likewise. + * config/alpha/qrnnd.asm: Likewise. + * config/alpha/vms-crt0-64.c: Likewise. + * config/alpha/vms-crt0.c: Likewise. + * config/alpha/vms-dwarf2.asm: Likewise. + * config/alpha/vms-dwarf2eh.asm: Likewise. + * config/alpha/vms-psxcrt0-64.c: Likewise. + * config/alpha/vms-psxcrt0.c: Likewise. + * config/alpha/vms_tramp.asm: Likewise. + * config/arc/initfini.c: Likewise. + * config/arc/lib1funcs.asm: Likewise. + * config/arm/bpabi-v6m.S: Likewise. + * config/arm/bpabi.S: Likewise. + * config/arm/bpabi.c: Likewise. + * config/arm/crti.asm: Likewise. + * config/arm/crtn.asm: Likewise. + * config/arm/ieee754-df.S: Likewise. + * config/arm/ieee754-sf.S: Likewise. + * config/arm/lib1funcs.asm: Likewise. + * config/arm/libunwind.S: Likewise. + * config/arm/linux-atomic.c: Likewise. + * config/arm/mmintrin.h: Likewise. + * config/arm/pr-support.c: Likewise. + * config/arm/unaligned-funcs.c: Likewise. + * config/arm/unwind-arm.c: Likewise. + * config/arm/unwind-arm.h: Likewise. + * config/avr/libgcc.S: Likewise. + * config/bfin/crti.s: Likewise. + * config/bfin/crtlibid.s: Likewise. + * config/bfin/crtn.s: Likewise. + * config/bfin/lib1funcs.asm: Likewise. + * config/bfin/linux-unwind.h: Likewise. + * config/cris/arit.c: Likewise. + * config/cris/cris_abi_symbol.c: Likewise. + * config/darwin-64.c: Likewise. + * config/darwin-crt2.c: Likewise. + * config/darwin-crt3.c: Likewise. + * config/darwin.h: Likewise. + * config/dbxelf.h: Likewise. + * config/dfp-bit.c: Likewise. + * config/dfp-bit.h: Likewise. + * config/elfos.h: Likewise. + * config/fixed-bit.c: Likewise. + * config/fixed-bit.h: Likewise. + * config/fp-bit.c: Likewise. + * config/fp-bit.h: Likewise. + * config/fr30/crti.asm: Likewise. + * config/fr30/crtn.asm: Likewise. + * config/fr30/lib1funcs.asm: Likewise. + * config/freebsd-spec.h: Likewise. + * config/frv/cmovd.c: Likewise. + * config/frv/cmovh.c: Likewise. + * config/frv/cmovw.c: Likewise. + * config/frv/frvbegin.c: Likewise. + * config/frv/frvend.c: Likewise. + * config/frv/lib1funcs.asm: Likewise. + * config/glibc-stdint.h: Likewise. + * config/h8300/clzhi2.c: Likewise. + * config/h8300/crti.asm: Likewise. + * config/h8300/crtn.asm: Likewise. + * config/h8300/ctzhi2.c: Likewise. + * config/h8300/fixunssfsi.c: Likewise. + * config/h8300/lib1funcs.asm: Likewise. + * config/h8300/parityhi2.c: Likewise. + * config/h8300/popcounthi2.c: Likewise. + * config/i386/ammintrin.h: Likewise. + * config/i386/att.h: Likewise. + * config/i386/avxintrin.h: Likewise. + * config/i386/biarch64.h: Likewise. + * config/i386/bmmintrin.h: Likewise. + * config/i386/cpuid.h: Likewise. + * config/i386/cross-stdarg.h: Likewise. + * config/i386/crtfastmath.c: Likewise. + * config/i386/crtprec.c: Likewise. + * config/i386/cygming-crtbegin.c: Likewise. + * config/i386/cygming-crtend.c: Likewise. + * config/i386/cygwin.asm: Likewise. + * config/i386/emmintrin.h: Likewise. + * config/i386/gmm_malloc.h: Likewise. + * config/i386/gthr-win32.c: Likewise. + * config/i386/i386.h: Likewise. + * config/i386/immintrin.h: Likewise. + * config/i386/linux-unwind.h: Likewise. + * config/i386/linux64.h: Likewise. + * config/i386/mm3dnow.h: Likewise. + * config/i386/mmintrin-common.h: Likewise. + * config/i386/mmintrin.h: Likewise. + * config/i386/nmmintrin.h: Likewise. + * config/i386/pmm_malloc.h: Likewise. + * config/i386/pmmintrin.h: Likewise. + * config/i386/smmintrin.h: Likewise. + * config/i386/sol2-c1.asm: Likewise. + * config/i386/sol2-ci.asm: Likewise. + * config/i386/sol2-cn.asm: Likewise. + * config/i386/sol2-gc1.asm: Likewise. + * config/i386/tmmintrin.h: Likewise. + * config/i386/unix.h: Likewise. + * config/i386/w32-unwind.h: Likewise. + * config/i386/wmmintrin.h: Likewise. + * config/i386/x86-64.h: Likewise. + * config/i386/x86intrin.h: Likewise. + * config/i386/xmmintrin.h: Likewise. + * config/ia64/crtbegin.asm: Likewise. + * config/ia64/crtend.asm: Likewise. + * config/ia64/crtfastmath.c: Likewise. + * config/ia64/crti.asm: Likewise. + * config/ia64/crtn.asm: Likewise. + * config/ia64/fde-glibc.c: Likewise. + * config/ia64/lib1funcs.asm: Likewise. + * config/ia64/linux-unwind.h: Likewise. + * config/ia64/quadlib.c: Likewise. + * config/ia64/unwind-ia64.c: Likewise. + * config/linux.h: Likewise. + * config/m32c/m32c-lib1.S: Likewise. + * config/m32c/m32c-lib2-trapv.c: Likewise. + * config/m32c/m32c-lib2.c: Likewise. + * config/m32r/initfini.c: Likewise. + * config/m68hc11/larith.asm: Likewise. + * config/m68hc11/m68hc11-crt0.S: Likewise. + * config/m68k/cf.md: Likewise. + * config/m68k/crti.s: Likewise. + * config/m68k/crtn.s: Likewise. + * config/m68k/lb1sf68.asm: Likewise. + * config/m68k/linux-unwind.h: Likewise. + * config/mcore/crti.asm: Likewise. + * config/mcore/crtn.asm: Likewise. + * config/mcore/lib1.asm: Likewise. + * config/mips/linux-unwind.h: Likewise. + * config/mips/loongson.h: Likewise. + * config/mips/mips16.S: Likewise. + * config/mmix/crti.asm: Likewise. + * config/mmix/crtn.asm: Likewise. + * config/pa/fptr.c: Likewise. + * config/pa/hpux-unwind.h: Likewise. + * config/pa/lib2funcs.asm: Likewise. + * config/pa/linux-atomic.c: Likewise. + * config/pa/linux-unwind.h: Likewise. + * config/pa/milli64.S: Likewise. + * config/pa/quadlib.c: Likewise. + * config/pa/stublib.c: Likewise. + * config/picochip/libgccExtras/adddi3.asm: Likewise. + * config/picochip/libgccExtras/ashlsi3.asm: Likewise. + * config/picochip/libgccExtras/ashlsi3.c: Likewise. + * config/picochip/libgccExtras/ashrsi3.asm: Likewise. + * config/picochip/libgccExtras/ashrsi3.c: Likewise. + * config/picochip/libgccExtras/cmpsi2.asm: Likewise. + * config/picochip/libgccExtras/divmod15.asm: Likewise. + * config/picochip/libgccExtras/divmodhi4.asm: Likewise. + * config/picochip/libgccExtras/divmodsi4.asm: Likewise. + * config/picochip/libgccExtras/longjmp.asm: Likewise. + * config/picochip/libgccExtras/lshrsi3.asm: Likewise. + * config/picochip/libgccExtras/lshrsi3.c: Likewise. + * config/picochip/libgccExtras/parityhi2.asm: Likewise. + * config/picochip/libgccExtras/popcounthi2.asm: Likewise. + * config/picochip/libgccExtras/setjmp.asm: Likewise. + * config/picochip/libgccExtras/subdi3.asm: Likewise. + * config/picochip/libgccExtras/ucmpsi2.asm: Likewise. + * config/picochip/libgccExtras/udivmodhi4.asm: Likewise. + * config/picochip/libgccExtras/udivmodsi4.asm: Likewise. + * config/rs6000/750cl.h: Likewise. + * config/rs6000/altivec.h: Likewise. + * config/rs6000/biarch64.h: Likewise. + * config/rs6000/crtresfpr.asm: Likewise. + * config/rs6000/crtresgpr.asm: Likewise. + * config/rs6000/crtresxfpr.asm: Likewise. + * config/rs6000/crtresxgpr.asm: Likewise. + * config/rs6000/crtsavfpr.asm: Likewise. + * config/rs6000/crtsavgpr.asm: Likewise. + * config/rs6000/darwin-asm.h: Likewise. + * config/rs6000/darwin-fallback.c: Likewise. + * config/rs6000/darwin-fpsave.asm: Likewise. + * config/rs6000/darwin-ldouble.c: Likewise. + * config/rs6000/darwin-tramp.asm: Likewise. + * config/rs6000/darwin-unwind.h: Likewise. + * config/rs6000/darwin-vecsave.asm: Likewise. + * config/rs6000/darwin-world.asm: Likewise. + * config/rs6000/e500crtres32gpr.asm: Likewise. + * config/rs6000/e500crtres64gpr.asm: Likewise. + * config/rs6000/e500crtres64gprctr.asm: Likewise. + * config/rs6000/e500crtrest32gpr.asm: Likewise. + * config/rs6000/e500crtrest64gpr.asm: Likewise. + * config/rs6000/e500crtresx32gpr.asm: Likewise. + * config/rs6000/e500crtresx64gpr.asm: Likewise. + * config/rs6000/e500crtsav32gpr.asm: Likewise. + * config/rs6000/e500crtsav64gpr.asm: Likewise. + * config/rs6000/e500crtsav64gprctr.asm: Likewise. + * config/rs6000/e500crtsavg32gpr.asm: Likewise. + * config/rs6000/e500crtsavg64gpr.asm: Likewise. + * config/rs6000/e500crtsavg64gprctr.asm: Likewise. + * config/rs6000/eabi-ci.asm: Likewise. + * config/rs6000/eabi-cn.asm: Likewise. + * config/rs6000/eabi.asm: Likewise. + * config/rs6000/linux-unwind.h: Likewise. + * config/rs6000/linux64.h: Likewise. + * config/rs6000/paired.h: Likewise. + * config/rs6000/paired.md: Likewise. + * config/rs6000/ppc64-fp.c: Likewise. + * config/rs6000/ppu_intrinsics.h: Likewise. + * config/rs6000/rs6000.h: Likewise. + * config/rs6000/si2vmx.h: Likewise. + * config/rs6000/sol-ci.asm: Likewise. + * config/rs6000/sol-cn.asm: Likewise. + * config/rs6000/spe.h: Likewise. + * config/rs6000/spu2vmx.h: Likewise. + * config/rs6000/sysv4.h: Likewise. + * config/rs6000/tramp.asm: Likewise. + * config/rs6000/vec_types.h: Likewise. + * config/s390/linux-unwind.h: Likewise. + * config/s390/tpf-unwind.h: Likewise. + * config/score/crti.asm: Likewise. + * config/score/crtn.asm: Likewise. + * config/sh/crt1.asm: Likewise. + * config/sh/crti.asm: Likewise. + * config/sh/crtn.asm: Likewise. + * config/sh/divtab-sh4-300.c: Likewise. + * config/sh/divtab-sh4.c: Likewise. + * config/sh/divtab.c: Likewise. + * config/sh/lib1funcs-4-300.asm: Likewise. + * config/sh/lib1funcs-Os-4-200.asm: Likewise. + * config/sh/lib1funcs.asm: Likewise. + * config/sh/lib1funcs.h: Likewise. + * config/sh/linux-atomic.asm: Likewise. + * config/sh/linux-unwind.h: Likewise. + * config/sh/shmedia.h: Likewise. + * config/sh/sshmedia.h: Likewise. + * config/sh/ushmedia.h: Likewise. + * config/sparc/crtfastmath.c: Likewise. + * config/sparc/linux-unwind.h: Likewise. + * config/sparc/sol2-c1.asm: Likewise. + * config/sparc/sol2-ci.asm: Likewise. + * config/sparc/sol2-cn.asm: Likewise. + * config/spu/divmodti4.c: Likewise. + * config/spu/divv2df3.c: Likewise. + * config/spu/float_disf.c: Likewise. + * config/spu/float_unsdidf.c: Likewise. + * config/spu/float_unsdisf.c: Likewise. + * config/spu/float_unssidf.c: Likewise. + * config/spu/mfc_multi_tag_release.c: Likewise. + * config/spu/mfc_multi_tag_reserve.c: Likewise. + * config/spu/mfc_tag_release.c: Likewise. + * config/spu/mfc_tag_reserve.c: Likewise. + * config/spu/mfc_tag_table.c: Likewise. + * config/spu/multi3.c: Likewise. + * config/spu/spu_internals.h: Likewise. + * config/spu/spu_intrinsics.h: Likewise. + * config/spu/spu_mfcio.h: Likewise. + * config/spu/vec_types.h: Likewise. + * config/spu/vmx2spu.h: Likewise. + * config/stormy16/stormy16-lib2.c: Likewise. + * config/svr4.h: Likewise. + * config/sync.c: Likewise. + * config/v850/lib1funcs.asm: Likewise. + * config/vxlib-tls.c: Likewise. + * config/vxlib.c: Likewise. + * config/vxworks-dummy.h: Likewise. + * config/xtensa/crti.asm: Likewise. + * config/xtensa/crtn.asm: Likewise. + * config/xtensa/ieee754-df.S: Likewise. + * config/xtensa/ieee754-sf.S: Likewise. + * config/xtensa/lib1funcs.asm: Likewise. + * config/xtensa/lib2funcs.S: Likewise. + * config/xtensa/linux-unwind.h: Likewise. + * config/xtensa/unwind-dw2-xtensa.c: Likewise. + * config/xtensa/unwind-dw2-xtensa.h: Likewise. + * coretypes.h: Likewise. + * crtstuff.c: Likewise. + * defaults.h: Likewise. + * dwarf2.h: Likewise. + * emutls.c: Likewise. + * gbl-ctors.h: Likewise. + * gcov-io.h: Likewise. + * ginclude/float.h: Likewise. + * ginclude/iso646.h: Likewise. + * ginclude/stdarg.h: Likewise. + * ginclude/stdbool.h: Likewise. + * ginclude/stddef.h: Likewise. + * ginclude/stdfix.h: Likewise. + * ginclude/stdint-gcc.h: Likewise. + * ginclude/tgmath.h: Likewise. + * gthr-aix.h: Likewise. + * gthr-dce.h: Likewise. + * gthr-gnat.c: Likewise. + * gthr-gnat.h: Likewise. + * gthr-lynx.h: Likewise. + * gthr-mipssde.h: Likewise. + * gthr-nks.h: Likewise. + * gthr-posix.c: Likewise. + * gthr-posix.h: Likewise. + * gthr-posix95.h: Likewise. + * gthr-rtems.h: Likewise. + * gthr-single.h: Likewise. + * gthr-solaris.h: Likewise. + * gthr-tpf.h: Likewise. + * gthr-vxworks.h: Likewise. + * gthr-win32.h: Likewise. + * gthr.h: Likewise. + * libgcc2.c: Likewise. + * libgcc2.h: Likewise. + * libgcov.c: Likewise. + * tsystem.h: Likewise. + * typeclass.h: Likewise. + * unwind-c.c: Likewise. + * unwind-compat.h: Likewise. + * unwind-dw2-fde-compat.c: Likewise. + * unwind-dw2-fde-darwin.c: Likewise. + * unwind-dw2-fde-glibc.c: Likewise. + * unwind-dw2-fde.c: Likewise. + * unwind-dw2-fde.h: Likewise. + * unwind-dw2.c: Likewise. + * unwind-dw2.h: Likewise. + * unwind-generic.h: Likewise. + * unwind-pe.h: Likewise. + * unwind-sjlj.c: Likewise. + * unwind.inc: Likewise. + * config/arm/neon-gen.ml: Change generated copyright header to + refer to version 3 of the GNU General Public License with + version 3.1 of the GCC Runtime Library Exception and to point + readers at the COPYING3 and COPYING3.RUNTIME files and the + FSF's license web page. + * config/arm/arm_neon.h: Regenerate. + +2009-04-09 Jakub Jelinek <jakub@redhat.com> + + * config/cris/cris.md: Change copyright header to refer to version + 3 of the GNU General Public License. + * doc/install.texi2html: Change copyright header to refer to version + 3 of the GNU General Public License and to point readers at the + COPYING3 file and the FSF's license web page. + * config/vax/linux.h: Likewise. + +2009-04-09 Paolo Bonzini <bonzini@gnu.org> + + * config/i386/i386.md (cmpcc): New. + * config/i386/sync.md (sync_compare_and_swap*): Set FLAGS_REG. + (sync_compare_and_swap_cc*): Delete. + + * config/s390/s390.c (s390_compare_emitted): Remove. + (s390_emit_compare): Handle MODE_CC s390_compare_op0 like + s390_compare_emitted used to be handled. Assert that modes match. + (s390_emit_compare_and_swap): Use s390_emit_compare, do not + refer to sync_compare_and_swap_ccsi. + * config/s390/s390.h (s390_compare_emitted): Remove. + * config/s390/s390.md (seq): Look for MODE_CC s390_compare_op0 + instead of s390_compare_emitted. + (stack_protect_test, sync_compare_and_swap_cc): Set s390_compare_op0 + instead of s390_compare_emitted. + * config/s390/s390.md (cmpcc): New. + (sync_compare_and_swapqi, sync_compare_and_swaphi): Clobber + CC_REGNUM, do not pretend it's set. + (sync_compare_and_swap_cc*): Delete. + * config/s390/predicates.md (cc_reg_operand): New. + + * expr.c (sync_compare_and_swap_cc): Delete. + * optabs.h (sync_compare_and_swap_cc): Delete. + * optabs.c (prepare_cmp_insn): Ignore which specific CCmode + is being used with can_compare_p. + (emit_cmp_and_jump_insn_1): Likewise when looking in the optab. + (find_cc_set): New. + (expand_bool_compare_and_swap): Do not use sync_compare_and_swap_cc, + look for a MODE_CC set instead. Use emit_store_flag. + (expand_compare_and_swap_loop): Likewise, with some additional + complication to avoid a force_reg when useless. Use + emit_cmp_and_jump_insns. + * genopinit.c (optabs): Delete sync_compare_and_swap_cc. + * doc/md.texi (sync_compare_and_swap_cc): Merge with + sync_compare_and_swap documentation. + +2009-04-09 Jan Hubicka <jh@suse.cz> + + * except.c (find_prev_try): Break out from .... + (duplicate_eh_regions): ... here; properly update prev_try pointers + when duplication part of tree. + (dump_eh_tree): Improve dumping. + (verify_eh_region): New. + (verify_eh_tree): Use it. + +2009-04-06 Richard Guenther <rguenther@suse.de> + + * c-gimplify.c (c_gimplify_expr): Fix the invalid GENERIC + &ARRAY addresses by adjusting their types and prepending + a conversion. + * tree-cfg.c (verify_gimple_assign_single): Verify that + addresses are correct. + +2009-04-09 Richard Guenther <rguenther@suse.de> + + * tree-ssa-ccp.c (maybe_fold_stmt_addition): Move non-constant + indices into an array reference if possible. + * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars): + Fold POINTER_PLUS_EXPR statements with invariant address. + +2009-04-09 Alan Modra <amodra@bigpond.net.au> + + PR target/39634 + * config.gcc (powerpc64-*-linux*): Always build biarch. + +2009-04-09 Joseph Myers <joseph@codesourcery.com> + + PR c/39613 + * c-typeck.c (do_case): If case label is not an INTEGER_CST, fold + it and pedwarn if this results in an INTEGER_CST. + +2009-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * doc/install.texi: Update minimum GMP version. Remove obsolete + text in MPFR section. + +2009-04-08 Jakub Jelinek <jakub@redhat.com> + + * dwarf2out.c (class_scope_p): New static inline. + (class_or_namespace_scope_p): Use it. + (gen_variable_die): Use DW_TAG_member tag for static data member + declarations instead of DW_TAG_variable. + + PR middle-end/39573 + * omp-low.c (expand_omp_taskreg): Finalize taskreg static local_decls + variables. + +2009-04-08 Richard Guenther <rguenther@suse.de> + + * tree-ssa-sccvn.c (valueize_refs): Do not continue to + valueize random data. + +2009-04-08 David Edelsohn <edelsohn@gnu.org> + + * config.gcc (aix tm_file): Add aix-stdint.h. + (aix tm clause use_gcc_stdint): Set to wrap. + * config/rs6000/aix-stdint.h: New file. + +2009-04-08 Richard Guenther <rguenther@suse.de> + + PR middle-end/36291 + * tree-dfa.c (add_referenced_var): Do not recurse into + global initializers. + * tree-ssa-ccp.c (get_symbol_constant_value): Add newly + exposed variables. + (fold_const_aggregate_ref): Likewise. + +2009-04-08 Paolo Bonzini <bonzini@gnu.org> + + * recog.c (ordered_comparison_operator): New. + * gensupport.c (std_preds): Add it. + * doc/md.texi (Machine-Independent Predicates): Document it. + +2009-04-08 Jan Hubicka <jh@suse.cz> + + * tree-eh.c (cleanup_eh): When not optimizing, do not try EH merging. + * function.h (rtl_eh): Remove exception_handler_label_map. + * except.c (ehl_hash, ehl_eq, add_ehl_entry, + remove_exception_handler_label, for_each_eh_label_1): Remove. + (rtl_remove_unreachable_regions): Remove. + (convert_from_eh_region_ranges): Do not remove unreachable regions. + (find_exception_handler_labels): Don't build the hashtable. + (maybe_remove_eh_handler): Remove. + (for_each_eh_label): Rewrite to walk the tree. + (rest_of_handle_eh): Do not cleanup cfg prior EH construction. + * except.h (maybe_remove_eh_handler): Remove. + * passes.c (init_optimization_passes): Schedule second EH cleanup + before out-of-ssa. + * cfgrtl.c (rtl_delete_block, rtl_merge_blocks, + cfg_layout_merge_blocks): Do not call maybe_remove_eh_handler. + +2009-04-08 Paolo Bonzini <bonzini@gnu.org> + + * genoutput.c (validate_optab_operands): New. + (gen_insn, gen_expand): Call it. + + * genflags.c (gen_insn): Detect misused iterators. + (main): Pass line_no to gen_insn, exit with status 1 on error. + + * genextract.c (line_no): Make global. + (VEC_safe_set_locstr): Change assertion to error message. + (main): Exit with status 1 on error. + +2009-04-08 Joseph Myers <joseph@codesourcery.com> + + PR c/39614 + PR c/39673 + * c-common.h (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR, + C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST, + EXPR_INT_CONST_OPERANDS): Remove duplicate definitions. + * c-convert.c (convert): Do not call fold on results of conversion + functions when the result is a C_MAYBE_CONST_EXPR. + * c-parser.c (c_parser_postfix_expression): Do not fold condition + of __builtin_choose_expr. + * c-typeck.c (remove_c_maybe_const_expr): New. + (build_unary_op, build_conditional_expr, build_compound_expr, + build_binary_op, c_objc_common_truthvalue_conversion): Call + remove_c_maybe_const_expr on any input C_MAYBE_CONST_EXPR with + integer operands. + +2009-04-08 Bingfeng Mei <bmei@broadcom.com> + + * fold-const.c (const_binop): Combine two VECTOR_CST under operation + CODE to produce a new one. Add a prototype to use fold_convert_const + +2009-04-08 Danny Smith <dannysmith@users.sourceforge.net> + + PR bootstrap/39660 + * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Don't + mix declarations and code. + +2009-04-08 Ben Elliston <bje@au.ibm.com> + + * gcc.c: Replace `CC' with `GCC' throughout. + +2009-04-07 H.J. Lu <hongjiu.lu@intel.com> + + * doc/invoke.texi: Document Atom support. + +2009-04-07 Jason Merrill <jason@redhat.com> + + PR c++/25185 + * c-common.h, c-common.c: Add flag_pretty_templates. + * c-opts.c (c_common_handle_option): Set it. + * c.opt: Add -fno-pretty-templates. + * doc/invoke.texi (C++ Dialect Options): Likewise. + +2009-04-07 Uros Bizjak <ubizjak@gmail.com> + + * config/ia64/ia64.c (ia64_builtins): Add IA64_BUILTIN_HUGE_VALQ. + (ia64_init_builtins): Handle IA64_BUILTIN_HUGE_VALQ. + (ia64_expand_builtin): Likewise. + +2009-04-07 Martin Jambor <mjambor@suse.cz> + + * tree-ssa-alias.c (refs_may_alias_p_1): Check for + is_gimple_min_invariant rather than CONSTANT_CLASS_P so that invariant + ADDR_EXPRS are include too. + +2009-04-07 Richard Guenther <rguenther@suse.de> + + * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Non-aliased + decls are only used if passes as parameters or if they are + local statics and the call is not to a builtin. + (call_may_clobber_ref_p_1): Likewise. + +2009-04-07 Paolo Bonzini <bonzini@gnu.org> + + * expr.c (do_store_flag): Remove last argument. Simplify code + to avoid duplication of tests already done by can_compare_p. + (expand_expr_real_1): Adjust caller. + +2009-04-07 Paolo Bonzini <bonzini@gnu.org> + + * optabs.c (can_compare_p): Test the predicate of a + cbranch and cstore pattern. + +2009-04-07 Paolo Bonzini <bonzini@gnu.org> + + * expr.c (convert_move): Use emit_store_flag instead of + "emulating" it. + +2009-04-07 Paolo Bonzini <bonzini@gnu.org> + + * config/i386/i386.c (ix86_compare_emitted): Remove. + (ix86_expand_compare, ix86_expand_branch): Handle MODE_CC + ix86_compare_op0 like ix86_compare_emitted used to be handled. + * config/i386/i386.h (ix86_compare_emitted): Remove. + * config/i386/i386.md (stack_protect_test): Set ix86_compare_op0 + instead of ix86_compare_emitted. + * config/i386/sync.md (sync_compare_and_swap_cc): Likewise. + +2009-04-07 Andrew Stubbs <ams@codesourcery.com> + + * config.gcc (sh-*-*): Add sysroot-suffix.h to tm_file. + Add t-sysroot-suffix to tmake_file. + * config/print-sysroot-suffix.sh: New file. + * config/t-sysroot-suffix: New file. + +2009-04-07 Ben Elliston <bje@au.ibm.com> + + * libgcc2.c (INFINITY): Use __builtin_huge_val, not __builtin_inf, + as the latter produces a warning when the target does not support + infinity. + +2009-04-07 Ben Elliston <bje@au.ibm.com> + + * dfp.c: Replace type punning assignments with memcpy throughout. + * Makefile.in (dfp.o-warn): Remove. + +2009-04-07 Alan Modra <amodra@bigpond.net.au> + + PR target/39634 + * config.gcc: Merge powerpc-*-linux* and powerpc64-*-linux*. + Include soft-fp/t-softfp after rs6000/t-linux64. + +2009-04-06 Eric Botcazou <ebotcazou@adacore.com> + + * stor-layout.c (set_sizetype): Use the full precision of their + machine mode for bitsize types. + +2009-04-06 H.J. Lu <hongjiu.lu@intel.com> + + * config/i386/i386.md: Revert 2 accidental checkins. + +2009-04-06 Joey Ye <joey.ye@intel.com> + Xuepeng Guo <xuepeng.guo@intel.com> + H.J. Lu <hongjiu.lu@intel.com> + + Atom pipeline model, tuning and insn selection. + * config.gcc (atom): Add atom config options and target. + + * config/i386/atom.md: New. + + * config/i386/i386.c (atom_cost): New cost. + (m_ATOM): New macro flag. + (initial_ix86_tune_features): Set m_ATOM. + (x86_accumulate_outgoing_args): Likewise. + (x86_arch_always_fancy_math_387): Likewise. + (processor_target): Add Atom cost. + (cpu_names): Add Atom cpu name. + (override_options): Set Atom ISA. + (ix86_issue_rate): New case PROCESSOR_ATOM. + (ix86_adjust_cost): Likewise. + + * config/i386/i386.h (TARGET_ATOM): New target macro. + (ix86_tune_indices): Add X86_TUNE_OPT_AGU. + (TARGET_OPT_AGU): New target option. + (target_cpu_default): Add TARGET_CPU_DEFAULT_atom. + (processor_type): Add PROCESSOR_ATOM. + + * config/i386/i386.md (cpu): Add new value "atom". + (use_carry, movu): New attr. + (atom.md): Include atom.md. + (adddi3_carry_rex64): Set attr "use_carry". + (addqi3_carry): Likewise. + (addhi3_carry): Likewise. + (addsi3_carry): Likewise. + (*addsi3_carry_zext): Likewise. + (subdi3_carry_rex64): Likewise. + (subqi3_carry): Likewise. + (subhi3_carry): Likewise. + (subsi3_carry): Likewise. + (x86_movdicc_0_m1_rex64): Likewise. + (*x86_movdicc_0_m1_se): Likewise. + (x86_movsicc_0_m1): Likewise. + (*x86_movsicc_0_m1_se): Likewise. + (*adddi_1_rex64): Emit add insn as much as possible. + (*addsi_1): Likewise. + (return_internal): Set atom_unit. + (return_internal_long): Likewise. + (return_pop_internal): Likewise. + (*rcpsf2_sse): Set atom_sse_attr attr. + (*qrt<mode>2_sse): Likewise. + (*prefetch_sse): Likewise. + + * config/i386/i386-c.c (ix86_target_macros_internal): New case + PROCESSOR_ATOM. + (ix86_target_macros_internal): Likewise. + + * config/i386/sse.md (cpu): Set attr "atom_sse_attr". + (*prefetch_sse_rex): Likewise. + (sse_rcpv4sf2): Likewise. + (sse_vmrcpv4sf2): Likewise. + (sse_sqrtv4sf2): Likewise. + (<sse>_vmsqrt<mode>2): Likewise. + (sse_ldmxcsr): Likewise. + (sse_stmxcsr): Likewise. + (*sse_sfence): Likewise. + (sse2_clflush): Likewise. + (*sse2_mfence): Likewise. + (*sse2_lfence): Likewise. + (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Set attr "movu". + (<sse>_movup<ssemodesuffixf2c>): Likewise. + (avx_movdqu<avxmodesuffix>): Likewise. + (avx_lddqu<avxmodesuffix>): Likewise. + (sse2_movntv2di): Change attr "type" to "ssemov". + (sse2_movntsi): Likewise. + (rsqrtv8sf2): Change attr "type" to "sseadd". + (sse3_addsubv2df3): Set attr "atom_unit". + (sse3_h<plusminus_insn>v4sf3): Likewise. + (*sse2_pmaddwd): Likewise. + (*vec_extractv2di_1_rex64): Likewise. + (*vec_extractv2di_1_avx): Likewise. + (sse2_psadbw): Likewise. + (ssse3_phaddwv8hi3): Likewise. + (ssse3_phaddwv4hi3): Likewise. + (ssse3_phadddv4si3): Likewise. + (ssse3_phadddv2si3): Likewise. + (ssse3_phaddswv8hi3): Likewise. + (ssse3_phaddswv4hi3): Likewise. + (ssse3_phsubwv8hi3): Likewise. + (ssse3_phsubwv4hi3): Likewise. + (ssse3_phsubdv4si3): Likewise. + (ssse3_phsubdv2si3): Likewise. + (ssse3_phsubswv8hi3): Likewise. + (ssse3_phsubswv4hi3): Likewise. + (ssse3_pmaddubsw128): Likewise. + (sse3_pmaddubsw: Likewise. + (ssse3_palignrti): Likewise. + (ssse3_palignrdi): Likewise. + +2009-04-06 Gerald Pfeifer <gerald@pfeifer.com> + + * doc/install.texi (Specific): Fix two cross-references to MinGW. + +2009-04-06 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/28868 + * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track + of which PHI results we inserted. + (insert_into_preds_of_block): Record inserted PHIs. + (eliminate): Eliminate redundant PHI nodes. + (init_pre): Init inserted_phi_names. + +2009-04-06 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/39643 + * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and + IMAGPART_EXPRs of complex constants. + (execute_fold_all_builtins): If we folded a call queue + TODO_update_address_taken. + +2009-04-06 Jan Hubicka <jh@suse.cz> + + PR middle-end/39659 + * except.c (remove_unreachable_regions): Propagate may_contain_throw + flag. + +2009-04-06 Andrew Stubbs <ams@codesourcery.com> + + * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the + delay slot. + (ic_invalidate_array): Likewise. + +2009-04-06 Hariharan Sandanagobalane <hariharan@picochip.com> + + * calls.c (emit_library_call_value_1): Fix a problem with parameter + alignment for library calls. + +2009-04-06 Danny Smith <dannysmith@users.sourceforge.net> + + * config.gcc (mingw32 tm_file): Add mingw-stdint.h. + (mingw32 tm clause use_gcc_stdint): Set to wrap. + * config/i386/mingw-stdint.h: New file. + +2009-04-05 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/39648 + * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around + our &A vs. &A[0] IL deficiencies. + +2009-04-04 Jan Hubicka <jh@suse.cz> + + * except.c (sjlj_find_directly_reachable_regions): Be ready for + removed toplevel regions. + (sjlj_mark_call_sites): Likewise. + +2009-04-04 Dave Korn <dave.korn.cygwin@gmail.com> + + * config.gcc (cygwin tm_file): Add cygwin-stdint.h. + (cygwin tm clause use_gcc_stdint): Set to wrap. + * config/i386/cygwin-stdint.h: New file. + +2009-04-04 Richard Guenther <rguenther@suse.de> + + * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency. + * tree-ssa-copy.c (init_copy_prop): Do not propagate through + single-argument PHIs if we are in loop-closed SSA form. + * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards + for the pre-condition. + (slpeel_tree_peel_loop_to_edge): Likewise. + (vect_build_loop_niters): Take an optional sequence to append stmts. + (vect_generate_tmps_on_preheader): Likewise. + (vect_do_peeling_for_loop_bound): Take extra guards for the + pre-condition. + (vect_do_peeling_for_alignment): Adjust. Unconditionally apply + the cost model check. + (vect_loop_versioning): Take stmt and stmt list to put pre-condition + guards if we are going to peel. Do not apply versioning in that case. + * tree-vectorizer.h (vect_loop_versioning): Adjust declaration. + (vect_do_peeling_for_loop_bound): Likewise. + * tree-vect-loop.c (vect_transform_loop): If we are peeling for + loop bound only record extra pre-conditions, do not apply loop + versioning. + +2009-04-04 Richard Guenther <rguenther@suse.de> + + * tree-ssa-operands.c (pop_stmt_changes): Remove automatic + renaming code. + +2009-04-04 Jan Hubicka <jh@suse.cz> + + * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use + last_basic_block for size of bb->index indexed array. + * bt-load.c (compute_defs_uses_and_gen, compute_kill, + compute_out, link_btr_uses, build_btr_def_use_webs, + build_btr_def_use_webs, migrate_btr_defs): Likewise. + +2009-04-04 Jan Hubicka <jh@suse.cz> + + * except.c (remove_eh_handler_and_replace): Break out from ... + (remove_eh_handler): ... here. + (bring_to_root): New function. + (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime + handled ones, bring others to root of tree. + +2009-04-04 Jan Hubicka <jh@suse.cz> + + * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully. + (all_phis_safe_to_merge): New function. + (update_info): New structure. + (make_eh_edge_and_update_phi, update_eh_edges): New functions. + (cleanup_empty_eh): Update SSA if possible. + +2009-04-04 Richard Guenther <rguenther@suse.de> + + * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs. + * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0. + (append_vuse): Likewise. + +2009-04-04 Jakub Jelinek <jakub@redhat.com> + + * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value. + * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED + instead of REG_UNSAVED for DW_CFA_undefined. + (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED. + (uw_update_context): If RA column is REG_UNDEFINED, mark it as + outermost frame. + +2009-04-04 Richard Earnshaw <rearnsha@arm.com> + + PR target/39501 + * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT. + +2009-04-04 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/8781 + PR tree-optimization/37892 + * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare. + * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function. + (valueize_refs): Call it for *& valueizations. + (shared_reference_ops_from_ref): Rename to ... + (valueize_shared_reference_ops_from_ref): ... this and valueize. + (shared_reference_ops_from_call): Rename to ... + (valueize_shared_reference_ops_from_call): ... this and valueize. + (vn_reference_lookup): Update. + (visit_reference_op_call): Likewise. + * tree-ssa-pre.c (phi_translate_1): Fold *&. + (eliminate): Value-replace the call address in call statements. + +2009-04-04 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/39636 + * tree-ssa-forwprop.c + (forward_propagate_addr_into_variable_array_index): Check for + GIMPLE_ASSIGN before accessing the rhs code. + +2009-04-03 Jason Merrill <jason@redhat.com> + + * stor-layout.c (set_sizetype): Set TYPE_CANONICAL. + +2009-04-03 Steve Ellcey <sje@cup.hp.com> + + * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2, + truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2, + fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2, + floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2, + fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal, + smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf, + divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal, + umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2, + *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4, + *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr, + adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2, + smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc, + *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf, + *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3, + sqrtxf2, sqrtxf2_internal_thr, *recip_approx): + Use fr_reg_or_fp01_operand instead of fr_register_operand + + * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2, + recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat, + divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto. + +2009-04-03 Vladimir Makarov <vmakarov@redhat.com> + + PR rtl-optimization/39607 + PR rtl-optimization/39631 + + Revert: + + 2009-03-30 Vladimir Makarov <vmakarov@redhat.com> + * reload.c (push_reload, find_dummy_reload): Use df_get_live_out + instead of DF_LR_OUT. + * ira-lives.c (process_bb_node_lives): Ditto. + * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in} + instead of DF_LR_{OUT,IN}. + * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto. + * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto. + +2009-04-03 Steven Bosscher <steven@gcc.gnu.org> + + * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp. + (execute_lower_omp): Always run but take the short way out if -fopenmp + is not given. + (gate_lower_omp): Remove, forcing the pass manager to always run the + pass and always set PROP_gimple_lomp. + (pass_lower_omp): Remove gate function. + * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide + PROP_trees. Instead, require it. + * ipa-cp.c (pass_ipa_cp): Likewise. + * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg. + (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem. + * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg + and PROP_gimple_leh. + +2009-04-03 Richard Guenther <rguenther@suse.de> + + PR middle-end/13146 + PR tree-optimization/23940 + PR tree-optimization/33237 + PR middle-end/33974 + PR middle-end/34093 + PR tree-optimization/36201 + PR tree-optimization/36230 + PR tree-optimization/38049 + PR tree-optimization/38207 + PR tree-optimization/38230 + PR tree-optimization/38301 + PR tree-optimization/38585 + PR middle-end/38895 + PR tree-optimization/38985 + PR tree-optimization/39299 + * tree-ssa-structalias.h: Remove. + * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p. + (NULL_DEF_OPERAND_P): Make of type def_operand_p. + (struct vuse_element_d): Remove. + (struct vuse_vec_d): Likewise. + (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC, + VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR, + SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR, + VUSE_ELEMENT_VAR): Likewise. + (struct voptype_d): Likewise. + (NUM_VOP_FREE_BUCKETS): Likewise. + (struct ssa_operands): Remove vop_free_buckets and mpt_table fields. + (struct stmt_operands_d): Remove. + (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT, + VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP, + VDEF_NUM, VDEF_VECT): Likewise. + (copy_virtual_operands): Remove. + (operand_build_cmp): Likewise. + (create_ssa_artificial_load_stmt): Likewise. + (enum ssa_op_iter_type): Remove ssa_op_iter_vdef. + (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm + vuse_index and mayuse_index members. Pack and move done and iter_type + members to the front. + (SSA_OP_VMAYUSE): Remove. + (SSA_OP_VIRTUAL_USES): Adjust. + (FOR_EACH_SSA_VDEF_OPERAND): Remove. + (unlink_stmt_vdef): Declare. + (add_to_addressable_set): Remove. + * tree-vrp.c (stmt_interesting_for_vrp): Adjust. + (vrp_visit_stmt): Likewise. + * doc/tree-ssa.texi (Alias analysis): Update. + * doc/invoke.texi (max-aliased-vops): Remove docs. + (avg-aliased-vops): Likewise. + * tree-into-ssa.c (syms_to_rename): Remove. + (need_to_update_vops_p): Likewise. + (need_to_initialize_update_ssa_p): Rename to ... + (update_ssa_initialized_fn): ... this. Track function we are + initialized for. + (symbol_marked_for_renaming): Simplify. + (add_new_name_mapping): Do not set need_to_update_vops_p. + (dump_currdefs): Use SYMS_TO_RENAME. + (rewrite_update_stmt): Always walk all uses/defs. + (dump_update_ssa): Adjust. + (init_update_ssa): Take function argument. Track what we are + initialized for. + (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn. + (create_new_def_for): Initialize for cfun, assert we are initialized + for cfun. + (mark_sym_for_renaming): Simplify. + (mark_set_for_renaming): Do not initialize update-ssa. + (need_ssa_update_p): Simplify. Take function argument. + (name_mappings_registered_p): Assert we ask for the correct function. + (name_registered_for_update_p): Likewise. + (ssa_names_to_replace): Likewise. + (release_ssa_name_after_update_ssa): Likewise. + (update_ssa): Likewise. Use SYMS_TO_RENAME. + (dump_decl_set): Do not print a newline. + (debug_decl_set): Do it here. + (dump_update_ssa): And here. + * tree-ssa-loop-im.c (move_computations): Adjust. + (movement_possibility): Likewise. + (determine_max_movement): Likewise. + (gather_mem_refs_stmt): Likewise. + * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG + or NAME_MEMORY_TAG. + * tree-complex.c (update_all_vops): Remove. + (expand_complex_move): Adjust. + * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE. + Simplify test for memory referencing statement. Exclude + non-invariant ADDR_EXPRs. + * tree-pretty-print.c (dump_generic_node): Do not handle memory tags. + * tree-loop-distribution.c (generate_memset_zero): Adjust. + (rdg_flag_uses): Likewise. + * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag + related code. + (tree_optimize_tail_calls_1): Also split the + edge from the entry block if we have degenerate PHI nodes in + the first basic block. + * tree.c (init_ttree): Remove memory-tag related code. + (tree_code_size): Likewise. + (tree_node_structure): Likewise. + (build7_stat): Re-write to be build6_stat. + * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove. + (SSA_VAR_P): Adjust. + (struct tree_memory_tag): Remove. + (struct tree_memory_partition_tag): Likewise. + (union tree_node): Adjust. + (build7): Re-write to be build6. + * tree-pass.h (pass_reset_cc_flags): Remove. + (TODO_update_address_taken): New flag. + (pass_simple_dse): Remove. + * ipa-cp.c (ipcp_update_callgraph): Update SSA form. + * params.h (MAX_ALIASED_VOPS): Remove. + (AVG_ALIASED_VOPS): Likewise. + * omp-low.c (expand_omp_taskreg): Update SSA form. + * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs + aliases the lhs in a copy stmt. + * tree-ssa-dse.c (struct address_walk_data): Remove. + (memory_ssa_name_same): Likewise. + (memory_address_same): Likewise. + (get_kill_of_stmt_lhs): Likewise. + (dse_possible_dead_store_p): Simplify, use the oracle. Handle + unused stores. Look through PHI nodes into post-dominated regions. + (dse_optimize_stmt): Simplify. Properly remove stores. + (tree_ssa_dse): Compute dominators. + (execute_simple_dse): Remove. + (pass_simple_dse): Likewise. + * ipa-reference.c (scan_stmt_for_static_refs): Open-code + gimple_loaded_syms and gimple_stored_syms computation. + * toplev.c (dump_memory_report): Dump alias and pta stats. + * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify. + (vn_reference_eq): Likewise. + (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec, + copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt, + valueize_vuses): Remove. + (get_def_ref_stmt_vuses): Simplify. Rename to ... + (get_def_ref_stmt_vuse): ... this. + (vn_reference_lookup_2): New function. + (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for + walking equivalent vuses. Simplify. + (vn_reference_lookup): Likewise. + (vn_reference_insert): Likewise. + (vn_reference_insert_pieces): Likewise. + (visit_reference_op_call): Simplify. + (visit_reference_op_load): Likewise. + (visit_reference_op_store): Likewise. + (init_scc_vn): Remove shared_lookup_vuses initialization. + (free_scc_vn): Remove shared_lookup_vuses freeing. + (sort_vuses, sort_vuses_heap): Remove. + (get_ref_from_reference_ops): Export. + * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses + vector with single vuse pointer. + (vn_reference_lookup_pieces, vn_reference_lookup, + vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes. + (shared_vuses_from_stmt): Remove. + (get_ref_from_reference_ops): Declare. + * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust. + * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove + memory-tag related code. + * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code. + (likely_value): Add comment, skip static-chain of call statements. + (surely_varying_stmt_p): Adjust. + (gimplify_and_update_call_from_tree): Likewise. + (execute_fold_all_builtins): Do not rebuild alias info. + (gimplify_and_update_call_from_tree): Properly update VOPs. + * tree-ssa-loop-ivopts.c (get_ref_tag): Remove. + (copy_ref_info): Remove memory-tag related code. + * tree-call-cdce.c (tree_call_cdce): Rename the VOP. + * ipa-pure-const.c (check_decl): Remove memory-tag related code. + (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms + computation. + * tree-ssa-dom.c (gimple_p): Remove typedef. + (eliminate_redundant_computations): Adjust. + (record_equivalences_from_stmt): Likewise. + (avail_expr_hash): Likewise. + (avail_expr_eq): Likewise. + * tree-ssa-propagate.c (update_call_from_tree): Properly update VOPs. + (stmt_makes_single_load): Likewise. + (stmt_makes_single_store): Likewise. + * tree-ssa-alias.c: Rewrite completely. + (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats, + debug_mem_sym_stats, dump_mem_sym_stats_for_var, + debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt, + delete_mem_ref_stats, create_tag_raw, dump_points_to_info, + dump_may_aliases_for, debug_may_aliases_for, new_type_alias): + Remove public functions. + (pass_reset_cc_flags): Remove. + (pass_build_alias): Move ... + * tree-ssa-structalias.c (pass_build_alias): ... here. + * tree-ssa-alias.c (may_be_aliased): Move ... + * tree-flow-inline.h (may_be_aliased): ... here. + tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs, + count_uses_and_derefs): Move ... + * gimple.c: ... here. + * gimple.h (count_uses_and_derefs): Declare. + * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p, + ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p, + same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p, + indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p, + ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p, + call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until, + get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs): + New functions. + * tree-dfa.c (refs_may_alias_p): Move ... + * tree-ssa-alias.c (refs_may_alias_p): ... here. Extend. + * tree-ssa-alias.h: New file. + * tree-ssa-sink.c (is_hidden_global_store): Adjust. + (statement_sink_location): Likewise. + * opts.c (decode_options): Do not adjust max-aliased-vops or + avg-aliased-vops values. + * timevar.def (TV_TREE_MAY_ALIAS): Remove. + (TV_CALL_CLOBBER): Likewise. + (TV_FLOW_SENSITIVE): Likewise. + (TV_FLOW_INSENSITIVE): Likewise. + (TV_MEMORY_PARTITIONING): Likewise. + (TV_ALIAS_STMT_WALK): New timevar. + * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust. + * tree-ssa-address.c (create_mem_ref_raw): Use build6. + (get_address_description): Remove memory-tag related code. + * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust. + * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove. + * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs + and immediate uses in statements. Document. + * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust. + (dump_symbols): Remove. + (dump_gimple_mem_ops): Do not dump loaded or stored syms. + * alias.c (get_deref_alias_set): New function split out from ... + (get_alias_set): ... here. + * alias.h (get_deref_alias_set): Declare. + * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused + type parameter. Remove restrict pointer handling. Create a + ref-all pointer in case type-based alias sets do not conflict. + (vect_analyze_data_refs): Remove SMT related code. + * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert. + (vectorizable_load): Likewise. + * tree-data-ref.h (struct dr_alias): Remove symbol_tag field. + (DR_SYMBOL_TAG, DR_VOPS): Remove. + * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle. + Ignore vops and SMTs. + (dr_analyze_alias): Likewise.. + (free_data_ref): Likewise. + (create_data_ref): Likewise. + (analyze_all_data_dependences): Likewise. + (get_references_in_stmt): Adjust. + * tree-flow-inline.h (gimple_aliases_computed_p, + gimple_addressable_vars, gimple_call_clobbered_vars, + gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition, + factoring_name_p, mark_call_clobbered, clear_call_clobbered, + compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag, + gimple_mem_ref_stats): Remove. + (gimple_vop): New function. + (op_iter_next_use): Remove vuses and mayuses cases. + (op_iter_next_def): Remove vdefs case. + (op_iter_next_tree): Remove vuses, mayuses and vdefs cases. + (clear_and_done_ssa_iter): Do not set removed fields. + (op_iter_init): Likewise. Skip vuse and/or vdef if requested. + Assert we are not iterating over vuses or vdefs if not also + iterating over uses or defs. + (op_iter_init_use): Likewise. + (op_iter_init_def): Likewise. + (op_iter_next_vdef): Remove. + (op_iter_next_mustdef): Likewise. + (op_iter_init_vdef): Likewise. + (compare_ssa_operands_equal): Likewise. + (link_use_stmts_after): Handle vuse operand. + (is_call_used): Use is_call_clobbered. + (is_call_clobbered): Global variables are always call clobbered, + query the call-clobbers bitmap. + (mark_call_clobbered): Ignore global variables. + (clear_call_clobbered): Likewise. + * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust + virtual operands sanity check. + * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG): + Remove. + (TARGET_MEM_REF): Remove TMR_TAG operand. + * tree-dfa.c (add_referenced_var): Initialize call-clobber state. + Remove call-clobber related code. + (remove_referenced_var): Likewise. Do not clear mpt or symbol_mem_tag. + (dump_variable): Do not dump SMTs, memory stats, may-aliases or + partitions or escape reason. + (get_single_def_stmt, get_single_def_stmt_from_phi, + get_single_def_stmt_with_phi): Remove. + (dump_referenced_vars): Tidy. + (get_ref_base_and_extent): Allow bare decls. + (collect_dfa_stats): Adjust. + * graphite.c (rename_variables_in_stmt): Adjust. + (graphite_copy_stmts_from_block): Likewise. + (translate_clast): Likewise. + * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap. + (EXPR_DIES): New. + (translate_vuse_through_block): Use the oracle. + (phi_translate_1): Adjust. + (value_dies_in_block_x): Use the oracle. Cache the outcome + in EXPR_DIES. + (valid_in_sets): Check if the VUSE for + a REFERENCE is available. + (eliminate): Do not remove stmts during elimination, + instead queue and remove them afterwards. + (do_pre): Do not rebuild alias info. + (pass_pre): Run TODO_rebuild_alias before PRE. + * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code. + * tree-sra.c (sra_walk_function): Use gimple_references_memory_p. + (mark_all_v_defs_stmt): Remove. + (mark_all_v_defs_seq): Adjust. + (sra_replace): Likewise. + (scalarize_use): Likewise. + (scalarize_copy): Likewise. + (scalarize_init): Likewise. + (scalarize_ldst): Likewise. + (todoflags): Remove. + (tree_sra): Do not rebuild alias info. + (tree_sra_early): Adjust. + (pass_sra): Run TODO_update_address_taken before SRA. + * tree-predcom.c (set_alias_info): Remove. + (prepare_initializers_chain): Do not call it. + (mark_virtual_ops_for_renaming): Adjust. + (mark_virtual_ops_for_renaming_list): Remove. + (initialize_root_vars): Adjust. + (initialize_root_vars_lm): Likewise. + (prepare_initializers_chain): Likewise. + * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code. + (may_propagate_copy_into_stmt): Likewise. + (merge_alias_info): Do nothing for now. + (propagate_tree_value_into_stmt): Adjust. + (stmt_may_generate_copy): Likewise. + * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do + not mark symbols for renaming. + (forward_propagate_addr_expr): Match up push/pop_stmt_changes + with the same statement, make sure to update the new pointed-to one. + * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy + call statements, do not mark symbols for renaming. + (mark_operand_necessary): Dump something. + (ref_may_be_aliased): New function. + (mark_aliased_reaching_defs_necessary_1): New helper function. + (mark_aliased_reaching_defs_necessary): Likewise. + (mark_all_reaching_defs_necessary_1): Likewise. + (mark_all_reaching_defs_necessary): Likewise. + (propagate_necessity): Do not process virtual PHIs. For + non-aliased loads mark all reaching definitions as necessary. + For aliased loads and stores mark the immediate dominating + aliased clobbers as necessary. + (visited): New global static. + (perform_tree_ssa_dce): Free visited bitmap after propagating + necessity. + (remove_dead_phis): Perform simple dead virtual PHI removal. + (remove_dead_stmt): Properly unlink virtual operands when + removing stores. + (eliminate_unnecessary_stmts): Schedule PHI removal after + stmt removal. + * tree-ssa-ter.c (is_replaceable_p): Adjust. + (process_replaceable): Likewise. + (find_replaceable_in_bb): Likewise. + * tree-ssa.c (verify_ssa_name): Verify all VOPs are + based on the single gimple vop. + (verify_flow_insensitive_alias_info): Remove. + (verify_flow_sensitive_alias_info): Likewise. + (verify_call_clobbering): Likewise. + (verify_memory_partitions): Likewise. + (verify_alias_info): Likewise. + (verify_ssa): Adjust.. + (execute_update_addresses_taken): Export. Update SSA + manually. Optimize only when optimizing. Use a local bitmap. + (pass_update_address_taken): Remove TODO_update_ssa, add + TODO_dump_func. + (pass_update_address_taken): Just use TODO_update_address_taken. + (init_tree_ssa): Do not initialize addressable_vars. + (verify_ssa): Verify new VUSE / VDEF properties. + Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT. + Do not call verify_alias_info. + (delete_tree_ssa): Clear the VUSE, VDEF operands. + Do not free the loaded and stored syms bitmaps. Reset the escaped + and callused solutions. Do not free addressable_vars. + Remove memory-tag related code. + (warn_uninitialized_var): Aliases are always available. + * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust. + * lambda-code.c (can_put_in_inner_loop): Adjust. + (can_put_after_inner_loop): Likewise. + (perfect_nestify): Likewise. + * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust. + (vect_gen_widened_results_half): Remove CALL_EXPR handling. + (vectorizable_conversion): Do not mark symbols for renaming. + * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF. + (expand_call_inline): Unlink the calls virtual operands before + replacing it. + (tree_function_versioning): Do not call update_ssa if we are not + updating clones. Simplify. + * tree-ssa-phiprop.c (phivn_valid_p): Adjust. + (propagate_with_phi): Likewise.. + * tree-outof-ssa.c (create_temp): Remove memory tag and call + clobber code. Assert we are not aliased or global. + * tree-flow.h: Include tree-ssa-alias.h + (enum escape_type): Remove. + (struct mem_sym_stats_d): Likewise. + (struct mem_ref_stats_d): Likewise. + (struct gimple_df): Add vop member. Remove global_var, + call_clobbered_vars, call_used_vars, addressable_vars, + aliases_compted_p and mem_ref_stats members. Add syms_to_rename, + escaped and callused members. + (struct ptr_info_def): Remove all members, add points-to solution + member pt. + (struct var_ann_d): Remove in_vuse_list, in_vdef_list, + call_clobbered, escape_mask, mpt and symbol_mem_tag members. + * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h. + (tree-ssa-structalias.o): Remove tree-ssa-structalias.h. + (tree-ssa-alias.o): Likewise. + (toplev.o): Add tree-ssa-alias.h + (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h. + * gimple.c (gimple_set_bb): Fix off-by-one error. + (is_gimple_reg): Do not handle memory tags. + (gimple_copy): Also copy virtual operands. + Delay updating the statement. Do not reset loaded and stored syms. + (gimple_set_stored_syms): Remove. + (gimple_set_loaded_syms): Likewise. + (gimple_call_copy_skip_args): Copy the virtual operands + and mark the new statement modified. + * tree-ssa-structalias.c (may_alias_p): Remove. + (set_uids_in_ptset): Take the alias set to prune with as + parameter. Fold in the alias test of may_alias_p. + (compute_points_to_sets): Compute whether a ptr is dereferenced + in a local sbitmap. + (process_constraint): Deal with &ANYTHING on the lhs, reject all + other ADDRESSOF constraints on the lhs. + (get_constraint_for_component_ref): Assert that we don't get + ADDRESSOF constraints from the base of the reference. + Properly generate UNKNOWN_OFFSET for DEREF if needed. + (struct variable_info): Remove collapsed_to member. + (get_varinfo_fc): Remove. + (new_var_info): Do not set collapsed_to. + (dump_constraint): Do not follow cycles. + (dump_constraint_graph): Likewise. + (build_pred_graph): Likewise. + (build_succ_graph): Likewise. + (rewrite_constraints): Likewise. + (do_simple_structure_copy): Remove. + (do_rhs_deref_structure_copy): Remove. + (do_lhs_deref_structure_copy): Remove. + (collapse_rest_of_var): Remove. + (do_structure_copy): Re-implement. + (pta_stats): New global variable. + (dump_pta_stats): New function. + (struct constraint_expr): Make offset signed. + (UNKNOWN_OFFSET): Define special value. + (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN. + (solution_set_expand): New helper function split out from ... + (do_sd_constraint): ... here. + (solution_set_add): Handle UNKNOWN_OFFSET. Handle negative offsets. + (do_ds_constraint): Likewise. + (do_sd_constraint): Likewise. Do not special-case ESCAPED = *ESCAPED + and CALLUSED = *CALLUSED. + (set_union_with_increment): Make inc argument signed. + (type_safe): Remove. + (get_constraint_for_ptr_offset): Handle unknown and negative + constant offsets. + (first_vi_for_offset): Handle offsets before start. Bail + out early for offsets beyond the variable extent. + (first_or_preceding_vi_for_offset): New function. + (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint. + Together with ESCAPED = *ESCAPED this properly computes reachability. + (find_what_var_points_to): New function. + (find_what_p_points_to): Implement in terms of find_what_var_points_to. + (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global, + pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1, + pt_solutions_intersect): New functions. + (compute_call_used_vars): Remove. + (compute_may_aliases): New main entry into PTA computation. + * gimple.h (gimple_p): New typedef. + (struct gimple_statement_base): Remove references_memory_p. + (struct gimple_statement_with_memory_ops_base): Remove + vdef_ops, vuse_ops, stores and loads members. Add vdef and vuse + members. + (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops, + gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms, + gimple_set_references_memory): Remove. + (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef, + gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef): + New functions. + * tree-cfg.c (move_block_to_fn): Fix off-by-one error. + (verify_expr): Allow RESULT_DECL. + (gimple_duplicate_bb): Do not copy virtual operands. + (gimple_duplicate_sese_region): Adjust. + (gimple_duplicate_sese_tail): Likewise. + (mark_virtual_ops_in_region): Remove. + (move_sese_region_to_fn): Do not call it. + * passes.c (init_optimization_passes): Remove pass_reset_cc_flags + and pass_simple_dse. + (execute_function_todo): Handle TODO_update_address_taken, + call execute_update_addresses_taken for TODO_rebuild_alias. + (execute_todo): Adjust. + (execute_one_pass): Init dump files early. + * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars + call-clobbered. + (create_general_new_stmt): Clear vops. + * tree-ssa-reassoc.c (get_rank): Adjust. + * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark + symbols for renaming. + * params.def (PARAM_MAX_ALIASED_VOPS): Remove. + (PARAM_AVG_ALIASED_VOPS): Likewise. + * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME. + (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps. + * tree-ssa-operands.c: Simplify for new virtual operand representation. + (operand_build_cmp, copy_virtual_operands, + create_ssa_artificial_load_stmt, add_to_addressable_set, + gimple_add_to_addresses_taken): Remove public functions. + (unlink_stmt_vdef): New function. + +2009-04-03 Alan Modra <amodra@bigpond.net.au> + + * config.gcc (powerpc-*-linux*): Merge variants. + +2009-04-02 Chao-ying Fu <fu@mips.com> + James Grosbach <james.grosbach@microchip.com> + + * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc, + num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset, + cop0_sp_offset. + (machine_function): Add interrupt_handler_p, use_shadow_register_set_p, + keep_interrupts_masked_p, use_debug_exception_return_p. + (mips_attribute_table): Add interrupt, use_shadow_register_set, + keep_interrupts_masked, use_debug_exception_return. + (mips_interrupt_type_p, mips_use_shadow_register_set_p, + mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p): + New functions. + (mips_function_ok_for_sibcall): Return false for interrupt handlers. + (mips_print_operand): Process COP0 registers to print $0 .. $31 + correctly for GAS to process. + (mips_interrupt_extra_call_saved_reg_p): New function. + (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check + extra registers. + (mips_cfun_might_clobber_call_saved_reg_p): Likewise. + (mips_compute_frame_info): Add supports for interrupt context that + includes doubleword accumulators and COP0 registers. + (mips_for_each_saved_acc): New function. + (mips_for_each_saved_gpr_and_fpr): Change the function name from + mips_for_each_saved_reg. + (mips_save_reg): Save accumulators. + (mips_kernel_reg_p): A new for_each_rtx callback. + (mips_expand_prologue): Support interrupt handlers. + (mips_restore_reg): Restore accumulators. + (mips_expand_epilogue): Support interrupt handlers. + (mips_can_use_return_insn): Return false for interrupt handlers. + (mips_epilogue_uses): New function. + * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI, + UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC. + (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr, + cop0_move): New instructions. + * config/mips/mips-protos.h (mips_epilogue_uses): Declare. + * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New + defines. + (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM): + New defines. + (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines. + (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For + interrupt handlers, we use K0 as the temporary register. + (EPILOGUE_USES): Change to a function call. + * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt + handlers, we use K0 as the temporary register. + + * doc/extend.texi (Function Attributes): Document interrupt, + use_shadow_register_set, keep_interrupts_masked, + use_debug_exception_return for MIPS attributes. + +2009-04-03 Alan Modra <amodra@bigpond.net.au> + + * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file. + Remove a number of t-files from tmake_file. + * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype. + * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define. + * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set + target_prototype, not TARGET_PROTOTYPE. + (LINK_OS_GNU_SPEC): Define. + * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S + and darwin-ldoubdle.c. + +2009-04-02 Michael Meissner <meissner@linux.vnet.ibm.com> + + PR driver/39293 + * gcc.c (save_temps_flag): Add support for -save-temps=obj. + (cpp_options): Ditto. + (default_compilers): Ditto. + (display_help): Ditto. + (process_command): Ditto. + (do_spec_1): Ditto. + (set_input): Use lbasename instead of duplicate code. + (save_temps_prefix): New static for -save-temps=obj. + (save_temps_length): Ditto. + + * doc/invoke.texi (-save-temps=obj): Document new variant to + -save-temps switch. + +2009-04-02 Jeff Law <law@redhat.com> + + * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count" + variable. + +2009-04-02 H.J. Lu <hongjiu.lu@intel.com> + + * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2. + * configure: Regenerated. + +2009-04-02 Rafael Avila de Espindola <espindola@google.com> + + * c-decl.c (merge_decls): Make sure newdecl and olddecl don't + share the argument list. + +2009-04-02 Rafael Avila de Espindola <espindola@google.com> + + Merge + + 2009-02-12 Diego Novillo <dnovillo@google.com> + + * varpool.c (debug_varpool): New. + * cgraph.h (debug_varpool): Declare. + +2009-04-02 Jan Hubicka <jh@suse.cz> + + * passes.c (init_optimization_passes): Remove two copies of ehcleanup + pass. + +2009-04-02 H.J. Lu <hongjiu.lu@intel.com> + + * config/i386/i386.c (ix86_abi): Move initialization to ... + (override_options): Here. + +2009-04-02 Christian Bruel <christian.bruel@st.com> + + * config/sh/sh.c (sh_dwarf_register_span): New function. + (TARGET_DWARF_REGISTER_SPAN): Define. + * config/sh/sh-protos.h (sh_dwarf_register_span): Declare. + +2009-04-02 Ira Rosen <irar@il.ibm.com> + + PR tree-optimization/39595 + * tree-vect-slp.c (vect_build_slp_tree): Check that the size of + interleaved loads group is not greater than the SLP group size. + +2009-04-02 Rafael Avila de Espindola <espindola@google.com> + + * builtins.c (is_builtin_name): New. + (called_as_built_in): Use is_builtin_name. + * tree.h (is_builtin_name): New. + * varasm.c (incorporeal_function_p): Use is_builtin_name + +2009-04-02 Andrew Stubbs <ams@codesourcery.com> + + * config/sh/linux-unwind.h: Disable when inhibit_libc is defined. + +2009-04-02 Dodji Seketeli <dodji@redhat.com> + + PR c++/26693 + * c-decl.c (clone_underlying_type): Move this ... + * c-common.c (set_underlying_type): ... here. + Also, make sure the function properly sets TYPE_STUB_DECL() on + the newly created typedef variant type. + * c-common.h (is_typedef_decl, set_underlying_type): Declare ... + * c-common.c (is_typedef_decl, set_underlying_type): ... new entry + points. + +2009-04-02 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/37221 + * tree-flow.h (degenerate_phi_result): Declare. + * tree-ssa-dom.c (degenerate_phi_result): Export. + * tree-scalar-evolution.c (analyze_initial_condition): If + the initial condition is defined by a degenerate PHI node + use the degenerate value. + +2009-04-01 Eric Botcazou <ebotcazou@adacore.com> + + PR rtl-optimization/39588 + * combine.c (merge_outer_ops): Do not set the constant when this + is not necessary. + (simplify_shift_const_1): Do not modify it either in this case. + +2009-04-01 Steven Bosscher <steven@gcc.gnu.org> + + * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1 + tuning is deprecated if -mtune value is set to an Itanium1 variant. + +2009-04-01 Janis Johnson <janis187@us.ibm.com> + + PR c/29027 + * c-lex.c (interpret_float): Default (no suffix) is double. + +2009-04-1 Xinliang David Li <davidxl@google.com> + + * config/i386/i386.c (legitimate_constant_p): Recognize + all one vector constant. + +2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de> + + * config/vax/vax.c: Add #includes to silence warnings. + Change #include order to silence two warnings. + +2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de> + + * config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit. + (ASM_SPEC): Pass -k to the assembler for PIC code. + +2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de> + + * config.gcc: Add vax-*-linux* to the switch. + * config/vax/linux.h: New file. (TARGET_VERSION, + TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define. + +2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de> + + * config/vax/vax.c (vax_output_int_move, adjacent_operands_p): + Use predicate macros instead of GET_CODE() == foo. + * config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3, + ashlsi3, rotrsi3, <unnamed>): Likewise. + +2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de> + + * config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi, + jbbccihi, jbbccisi): Remova trailing whitespace. + * config/vax/constraints.md: Likewise. + * config/vax/elf.h (ASM_PREFERRED_EH_DATA_FORMAT): Likewise. + * config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise. + * config/vax/predicates.md: Likewise. + * config/vax/vax.c (print_operand_address, vax_output_int_move, + vax_expand_addsub_di_operands, adjacent_operands_p): Likewise. + * config/vax/vax.h: Likewise. + * config/vax/vax.md (nonlocal_goto): Likewise. + +2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de> + + * config/vax/vax.c (vax_float_literal, vax_output_int_move) + (indirectable_address_p, adjacent_operands_p): Add spaces around + braces. + * config/vax/vax-protos.h (adjacent_operands_p): Likewise. + +2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de> + + * config/vax/vax.c (legitimate_constant_address_p, + legitimate_constant_p, indirectable_address_p, nonindexed_address_p, + index_term_p, reg_plus_index_p, legitimate_address_p, + vax_mode_dependent_address_p): Update comments to match functions + modified by the recent int->bool conversion. + +2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de> + + * config/vax/builtins.md: Update copyright message. + * config/vax/constraints.md: Likewise. + * config/vax/netbsd-elf.h: Likewise. + * config/vax/predicates.md: Likewise. + * config/vax/vax-protos.h: Likewise. + * config/vax/vax.c: Likewise. + * config/vax/vax.h: Likewise. + * config/vax/vax.md: Likewise. + * config/vax/vax.opt: Likewise. + +2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de> + + * config/vax/builtins.md (ffssi2, ffssi2_internal, + sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention. + * config/vax/constraints.md (B, R): Likewise. + * config/vax/predicates.md (external_memory_operand, + nonimmediate_addsub_di_operand): Likewise. + * config/vax/vax.c (vax_output_int_add): Likewise. + * config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value, + untyped_call): Likewise. + +2009-04-01 Matt Thomas <matt@3am-software.com> + + * config/vax/predicates.md: New file. + (symbolic_operand, local_symbolic_operand, external_symbolic_operand, + external_const_operand, nonsymbolic_operand, external_memory_operand, + indirect_memory_operand, indexed_memory_operand, + illegal_blk_memory_operand, illegal_addsub_di_memory_operand, + nonimmediate_addsub_di_operand, general_addsub_di_operand): New + predicate. + * config/vax/constraints.md: New file. + (Z0, U06, U08, U16, CN6, S08, S16, I, J, K, L, M, N, O, G, Q, B, R, T): + New constraint. + * config/vax/builtins.md: New file. + (ffssi2, ffssi2_internal, sync_lock_test_and_set<mode>, jbbssiqi, + jbbssihi, jbbssisi, sync_lock_release<mode>, jbbcciqi, jbbccihi, + jbbccisi): Define. + * config/vax/vax.opt (mqmath): Add option. + * config/vax/vax.md (isfx): Extend with DI. + (VAXintQH, VAXintQHSD): Define. + (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2, + mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>, + and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2, + one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints. + (movdi): Update constraints and use vax_output_int_move(). + (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg, + movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym, + pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>, + nonlocal_goto): New. + (mov<mode>): Extend accepted operand types. + (subdi3_old): Rename from subdi3, change update constraints and use + a new implementation. + * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space. + (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS, + MOVE_RATIO, CLEAR_RATIO): Define. + (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P, + CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete. + (PRINT_OPERAND): Redefine using a function instead of inlined code. + * config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define. + (split_quadword_operands): Make static and really allow variable + splitting. + (print_operand_address): Update for PIC generation. + (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract, + indexable_address_p, fixup_mathdi_operand, + vax_expand_addsub_di_operands, adjacent_operands_p): New. + (vax_float_literal, legitimate_constant_p, + indirectable_constant_address_p, index_term_p, + reg_plus_index_p): Return bool instead of int. + (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT + where needed. + (vax_output_int_move, vax_output_int_add): Extend to allow PIC + generation. + (vax_output_conditional_branch): Indent. + (legitimate_constant_address_p, indirectable_constant_address_p, + indirectable_address_p, nonindexed_address_p, legitimate_address_p, + vax_mode_dependent_address_p): Return bool instead of int, update for + PIC generation. + * config/vax/vax-protos.h (legitimate_constant_address_p, + legitimate_constant_p, legitimate_address_p, + vax_mode_dependent_address_p): Change declaration to bool. + (legitimate_pic_operand_p, adjacent_operands_p, print_operand, + vax_expand_addsub_di_operands, vax_output_int_subtract, + vax_output_movmemsi): Declare. + (split_quadword_operands, vax_float_literal): Delete declaration. + * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define. + * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS, + VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT, + ASM_OUTPUT_DWARF_PCREL): Define. + (ASM_SPEC): Change definition to allow PIC generation. + +2009-04-01 Steve Ellcey <sje@cup.hp.com> + + * doc/sourcebuild.texi: Update front-end requirements. + +2009-04-01 Jakub Jelinek <jakub@redhat.com> + + PR target/39226 + * config/rs6000/rs6000.md (andsi3_internal5_nomc, + anddi3_internal2_nomc, anddi3_internal3_nomc): Removed. + (booldi3_internal3): Use boolean_or_operator instead of + boolean_operator. + +2009-04-01 Joseph Myers <joseph@codesourcery.com> + + PR c/39605 + * c-decl.c (grokdeclarator): Pedwarn for file-scope array + declarator whose size is not an integer constant expression but + folds to an integer constant, then treat it as a constant + subsequently. + +2009-04-01 Richard Guenther <rguenther@suse.de> + + * fold-const.c (fold_plusminus_mult_expr): Do not fold + i * 4 + 2 to (i * 2 + 1) * 2. + +2009-04-01 Jakub Jelinek <jakub@redhat.com> + + PR c/37772 + * c-parser.c (c_parser_asm_statement): Skip until close paren and + return if c_parser_asm_string_literal returned NULL. + +2009-04-01 Nick Clifton <nickc@redhat.com> + + * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not + already defined. + * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c. + * config/m32c/m32c-lib2.c: Remove unused typedefs. Rename the + other typedefs to avoid conflicts with libgcc2.c. Define labels + to gain 16-bit bit-manipulation functions from libgcc2.c and then + include it. + * config/m32c/m32c-lib2-trapv.c: New file. Define labels + to gain 16-bit trapping arithmetic functions from libgcc2.c and + then include it. + +2009-04-01 Rafael Avila de Espindola <espindola@google.com> + + * varasm.c (default_function_rodata_section): Declare DOT as + const char*. + +2009-04-01 Kai Tietz <kai.tietz@onevision.com> + Andrey Galkin <agalkin@hypercom.com> + + PR/39492 + * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): + Make object_name unique for each process. + +2009-04-01 Jakub Jelinek <jakub@redhat.com> + + PR other/39591 + * omp-low.c (remove_exit_barrier): Don't optimize if there are any + addressable variables in the parallel that could go out of scope while + running queued tasks. + +2009-04-01 Anatoly Sokolov <aesok@post.ru> + + * config/avr/avr.h (avr_case_values_threshold): Remove declaration. + (CASE_VALUES_THRESHOLD): Redefine. + * config/avr/avr.c (avr_override_options): Remove initialization of + avr_case_values_threshold variable. + (avr_case_values_threshold): Remove variable. Add new function. + * config/avr/avr-protos.h (avr_case_values_threshold): Declare. + * config/avr/avr.opt (mno-tablejump): Remove option. + * doc/invoke.texi (AVR Options): Remove -mno-tablejump. + +2009-04-01 DJ Delorie <dj@redhat.com> + + * varasm.c (default_function_rodata_section): Don't assume + anything about where the first '.' in the section name is. + +2009-04-01 Alan Modra <amodra@bigpond.net.au> + + * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant + rs6000_emit_stack_tie. + +2009-03-31 Ian Lance Taylor <iant@google.com> + + * tree-eh.c (tree_remove_unreachable_handlers): Compare + gimple_code with GIMPLE_RESX, not RESX. + +2009-03-31 Joseph Myers <joseph@codesourcery.com> + + * c-common.c (c_get_ident): New. + (c_common_nodes_and_builtins): Call it for type names that may be NULL. + +2009-04-01 Ben Elliston <bje@au.ibm.com> + + * config/rs6000/sysv4.opt (msdata): Improve option description. + +2009-03-31 Steve Ellcey <sje@cup.hp.com> + + * config/ia64/ia64.md (divsf3_internal_lat): Remove. + (divdf3_internal_lat): Remove. + (divxf3_internal_lat): Remove. + (divxf3_internal_thr): Remove. + (divxf): Use divxf3_internal. + * config/ia64/div.md (divsf3_internal_lat): New. + (divdf3_internal_lat): New. + (divxf3_internal): New. + +2009-03-31 Joseph Myers <joseph@codesourcery.com> + + PR c/448 + * Makefile.in (USE_GCC_STDINT): Define. + (stmp-int-hdrs): Install stdint.h if applicable. + * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE + if known. + (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known. + (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE, + UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE, + INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE, + INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, + UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE, + INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE, + UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE, + UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define. + (c_common_nodes_and_builtins): Initialize + underlying_wchar_type_node. Do not initialize + signed_wchar_type_node or unsigned_wchar_type_node. Initialize + nodes for new types. + (c_stddef_cpp_builtins): Define macros for new types. + * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE): + Remove. + (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE, + CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE, + CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE, + CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE, + CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE, + CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE, + CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE, + CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE, + CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define. + (signed_wchar_type_node, unsigned_wchar_type_node): Remove. + (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node, + int16_type_node, int32_type_node, int64_type_node, + uint8_type_node, uint16_type_node, c_uint32_type_node, + c_uint64_type_node, int_least8_type_node, int_least16_type_node, + int_least32_type_node, int_least64_type_node, + uint_least8_type_node, uint_least16_type_node, + uint_least32_type_node, uint_least64_type_node, + int_fast8_type_node, int_fast16_type_node, int_fast32_type_node, + int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node, + uint_fast32_type_node, uint_fast64_type_node, intptr_type_node, + uintptr_type_node): Define. + * c-cppbuiltin.c (builtin_define_constants, + builtin_define_type_minmax): New. + (builtin_define_stdint_macros): Define more macros. + (c_cpp_builtins): Define more limit macros. + (type_suffix): New. + (builtin_define_type_max): Define in terms of + builtin_define_type_minmax. Remove is_long parameter. All + callers changed. + * config.gcc (use_gcc_stdint): Define. + (tm_file): Add glibc-stdint.h for targets using glibc or uClibc. + Add newlib-stdint.h for generic targets. + * config/glibc-stdint.h, config/newlib-stdint.h, + ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New. + * config/m32c/m32c.h (UINTPTR_TYPE): Define. + * config/score/score.h (UINTPTR_TYPE): Define. + * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, + INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, + UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE, + INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, + UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE, + INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE, + UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE, + UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define. + * config/spu/spu.h (STDINT_LONG32): Define. + * configure.ac (use_gcc_stdint): Substitute. + * configure: Regenerate. + * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__, + __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__, + __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__, + __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__, + __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__, + __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__, + __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__, + __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__, + __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__, + __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__, + __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__, + __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__, + __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__, + __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__, + __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__, + __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__, + __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__, + __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__, + __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__, + __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C, + __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document. + * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, + INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE, + INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE, + INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, + UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE, + INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE, + UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE, + UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document. + +2009-03-31 Bernd Schmidt <bernd.schmidt@analog.com> + + * loop-iv.c (suitable_set_for_replacement): Renamed from + simplify_using_assignment; changed to return bool and to accept new + args DEST and SRC. Return true iff we find a source/destination pair + that can be used to make a replacement, and fill SRC and DEST if so. + Remove arg ALTERED. Don't deal with altered regs here. All callers + changed. + (simplify_using_initial_values): Deal with altered regs here and track + more precisely the effect they have on the validity of our expression. + + * loop-iv.c (simplify_using_condition): A condition of the form + (EQ REG CONST) can be used to simply make a substitution. + (simplify_using_initial_values): Keep track of conditions we have seen + and keep using them to simplify new expressions, while applying the + same substitutions to them as to the expression. + + * simplify-rtx.c (simplify_relational_operation_1): Simplify + (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with + GEU/LTU reversed. + + * loop-iv.c (determine_max_iter): New arg OLD_NITER. All callers + changed. Use this when trying to improve the upper bound. + Generate the comparison by using simplify_gen_relational. + + * loop-iv.c (simple_rhs_p): Allow more kinds of expressions. + + * loop-iv.c (replace_single_def_regs, replace_in_expr): New static + functions. + (simplify_using_assignment, simplify_using_initial_values): Call + replace_in_expr to make replacements. Call replace_single_def_regs + once on the initial version of the expression. + +2009-03-31 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com> + + PR target/27237 + * doc/invoke.texi (ARM Options): Update documentation for -mthumb. + +2009-03-31 Richard Guenther <rguenther@suse.de> + + PR middle-end/31029 + * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for + equality comparisons. Fold C - X CMP X if C % 2 == 1. + +2009-03-31 Richard Guenther <rguenther@suse.de> + + * tree.h (div_if_zero_remainder): Declare. + * fold-const.c (div_if_zero_remainder): Export. + * tree-ssa-forwprop.c + (forward_propagate_addr_into_variable_array_index): Handle + constant array index addition outside of the variable index. + +2009-03-31 Joseph Myers <joseph@codesourcery.com> + + PR target/39592 + * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed + define_splits, floatunssi<mode>2): Require x87 conversions from + DImode to be permitted. + +2009-03-31 Joseph Myers <joseph@codesourcery.com> + + PR preprocessor/15638 + * c-common.c (c_cpp_error): Handle CPP_DL_FATAL. + +2009-03-31 Richard Guenther <rguenther@suse.de> + + PR middle-end/23401 + PR middle-end/27810 + * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove. + (struct tree_decl_with_vis): Remove gimple_formal_temp member. + * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to + a separate statement. + * gimplify.c (pop_gimplify_context): Remove formal temp handling. + (lookup_tmp_var): Likewise. + (is_gimple_formal_tmp_or_call_rhs): Remove. + (is_gimple_reg_or_call_rhs): Rename to ... + (is_gimple_reg_rhs_or_call): ... this. + (is_gimple_mem_or_call_rhs): Rename to ... + (is_gimple_mem_rhs_or_call): ... this. + (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call. Set + DECL_GIMPLE_REG_P only if is_formal is true. + (gimplify_compound_lval): Use is_gimple_reg. Remove workaround + for non-proper post-modify expression gimplification. + (gimplify_self_mod_expr): For post-modify expressions gimplify + the lvalue to a minimal lvalue. + (rhs_predicate_for): Remove formal temp case. + (gimplify_modify_expr_rhs): Likewise. + (gimplify_addr_expr): Use is_gimple_reg. + (gimplify_expr): Remove formal temp cases. + (gimple_regimplify_operands): Likewise. + * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR + and FILTER_EXPR like constants. + * gimple.c (walk_gimple_op): Fix val_only initialization, use + is_gimple_reg. + (is_gimple_formal_tmp_rhs): Remove. + (is_gimple_reg_rhs): Remove special casing. + (is_gimple_mem_rhs): Fix. + (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier. + (is_gimple_formal_tmp_var): Remove. + (is_gimple_formal_tmp_reg): Likewise. + (is_gimple_min_lval): Allow invariant component ref parts. + * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var, + is_gimple_formal_tmp_reg): Remove declarations. + * tree-cfg.c (verify_expr): Verify that variables with address + taken do not have DECL_GIMPLE_REG_P set. + * tree-mudflap.c (mf_build_check_statement_for): Use + force_gimple_operand instead of gimplify_expr. + +2009-03-31 Ayal Zaks <zaks@il.ibm.com> + + * modulo-sched.c (sms_schedule_by_order): Pass the actual + schedulable rows to compute_split_row. + +2009-03-31 Ben Elliston <bje@au.ibm.com> + + PR target/31635 + * config/rs6000/rs6000.c (rs6000_handle_option): Handle + OPT_mvrsave. + +2009-03-31 Alan Modra <amodra@bigpond.net.au> + + * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers. + * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check. + * configure: Regenerate. + * config.in: Regenerate. + * config/rs6000/rs6000.opt (mtls-markers): Add. + * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define. + * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter. + (tls_ld_aix, tls_ld_sysv): Likewise. + (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns. + (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise. + +2009-03-31 Alan Modra <amodra@bigpond.net.au> + + * config/spu/spu.c (spu_expand_prologue): Delete redundant code. + +2009-03-30 Jan Hubicka <jh@suse.cz> + + * tree-eh.c (make_eh_edges): Set probability 100% to first edge + out of RESX. + (tree_remove_unreachable_handlers): Cleanup EH predecestor + detection and label handling. + +2009-03-30 Vladimir Makarov <vmakarov@redhat.com> + + * ira-int.h (ira_allocno): Rename left_conflicts_num to + left_conflicts_size. + (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to + ALLOCNO_LEFT_CONFLICTS_SIZE. + + * ira-color.c (allocno_spill_priority, push_allocno_to_stack, + remove_allocno_from_bucket_and_push, + allocno_spill_priority_compare, push_allocnos_to_stack, + setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE + instead of ALLOCNO_LEFT_CONFLICTS_NUM. + (setup_allocno_left_conflicts_num): Ditto. Rename to + setup_allocno_left_conflicts_size. + (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE + instead of ALLOCNO_LEFT_CONFLICTS_NUM and + setup_allocno_left_conflicts_size instead of + setup_allocno_left_conflicts_num. + + * ira-build.c (ira_create_allocno): Use + ALLOCNO_LEFT_CONFLICTS_SIZE instead of + ALLOCNO_LEFT_CONFLICTS_NUM. + +2009-03-30 Vladimir Makarov <vmakarov@redhat.com> + + * reload.c (push_reload, find_dummy_reload): Use df_get_live_out + instead of DF_LR_OUT. + + * ira-lives.c (process_bb_node_lives): Ditto. + + * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in} + instead of DF_LR_{OUT,IN}. + + * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto. + + * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto. + +2009-03-30 Jan Hubicka <jh@suse.cz> + + * except.c (label_to_region_map): Fix thinko. + +2009-03-30 Steve Ellcey <sje@cup.hp.com> + + PR middle-end/38237 + * tree.h (tree_find_value): New declaration. + * tree.c (tree_find_value): New function. + * varasm.c (assemble_external): Avoid duplicate entries on lists. + +2009-03-30 Jakub Jelinek <jakub@redhat.com> + + PR debug/39563 + * c-decl.c (struct c_binding): Add locus field. + (bind): Add locus argument, set locus field from it. + (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL, + add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS. + (push_file_scope, pushtag, pushdecl, pushdecl_top_level, + implicitly_declare, undeclared_variable, lookup_label, + declare_label, c_make_fname_decl, c_builtin_function, + c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust + bind callers. + +2009-03-30 H.J. Lu <hongjiu.lu@intel.com> + + PR target/38781 + * config/i386/i386.c (classify_argument): Check total size of + structure. + +2009-03-30 Martin Jambor <mjambor@suse.cz> + + * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST, + IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN, + IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH + respectively. + + * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if + seen_variable_array_ref while also traversing a union. + + * tree-inline.c (optimize_inline_calls): Do not call + cgraph_node_remove_callees. + * cgraphbuild.c (remove_cgraph_callee_edges): New function. + (pass_remove_cgraph_callee_edges): New variable. + * passes.c (init_optimization_passes): Add + pass_remove_cgraph_callee_edges after early inlining and before all + late intraprocedural passes. + + * omp-low.c (expand_omp_taskreg): Always set current_function_decl. + +2009-03-30 Paolo Bonzini <bonzini@gnu.org> + + * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis): + Fix typos in names. + +2009-03-30 Paolo Bonzini <bonzini@gnu.org> + + * combine.c (simplify_comparison): Use have_insn_for. + * dojump.c (do_jump): Likewise. + +2009-03-30 Paolo Bonzini <bonzini@gnu.org> + + * config/sparc/sparc.c (sparc_compare_emitted): Remove. + (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC + sparc_compare_op0 like sparc_compare_emitted used to be handled. + (sparc_expand_compare_and_swap_12): Set sparc_compare_op0 + instead of sparc_compare_emitted. + * config/sparc/sparc.h (sparc_compare_emitted): Remove. + * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0 + instead of sparc_compare_emitted. + +2009-03-30 Paolo Bonzini <bonzini@gnu.org> + + * bb-reorder.c (partition_hot_cold_basic_blocks): Do not + enter/exit cfglayout mode. + (pass_partition_block): Require it. + * combine.c (find_single_use, reg_dead_at_p): Use CFG. + (combine_instructions): Track basic blocks instead of labels. + (update_cfg_for_uncondjump): New. + (try_combine): Use it. Update jumps after rescanning. + (pass_combine): Require PROP_cfglayout. + * passes.c (pass_outof_cfg_layout_mode): Move after regmove. + +2009-03-30 Paolo Bonzini <bonzini@gnu.org> + + * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode): + Provide/destroy PROP_cfglayout respectively. + * gcse.c (pass_jump_bypass, pass_gcse): Require it. + * tree-pass.h (PROP_cfglayout): New. + +2009-03-30 Paolo Bonzini <bonzini@gnu.org> + + * fold-const.c (const_binop, fold_convert_const_real_from_fixed, + fold_convert_const_fixed_from_fixed, + fold_convert_const_fixed_from_int, + fold_convert_const_fixed_from_real, fold_negate_const): Do not + set TREE_CONSTANT_OVERFLOW. + * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW. + * tree.h (TREE_CONSTANT_OVERFLOW): Delete. + +2009-03-30 Ira Rosen <irar@il.ibm.com> + + * tree-vect-loop-manip.c: New file. + * tree-vectorizer.c: Update documentation and included files. + (vect_loop_location): Make extern. + (rename_use_op): Move to tree-vect-loop-manip.c + (rename_variables_in_bb, rename_variables_in_loop, + slpeel_update_phis_for_duplicate_loop, + slpeel_update_phi_nodes_for_guard1, + slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes, + slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard, + slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling, + set_prologue_iterations, slpeel_tree_peel_loop_to_edge, + find_loop_location): Likewise. + (new_stmt_vec_info): Move to tree-vect-stmts.c. + (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info, + get_vectype_for_scalar_type, vect_is_simple_use, + supportable_widening_operation, supportable_narrowing_operation): + Likewise. + (bb_in_loop_p): Move to tree-vect-loop.c. + (new_loop_vec_info, destroy_loop_vec_info, + reduction_code_for_scalar_code, report_vect_op, + vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise. + (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c. + (vect_supportable_dr_alignment): Likewise. + * tree-vectorizer.h (tree-data-ref.h): Include. + (vect_loop_location): Declare. + Reorganize function declarations according to the new file structure. + * tree-vect-loop.c: New file. + * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c, + tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c. + * tree-vect-data-refs.c: New file. + * tree-vect-patterns.c (timevar.h): Don't include. + * tree-vect-stmts.c: New file. + * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c, + tree-vect-slp.c, tree-vect-loop.c. + * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and + tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o, + tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o. + (tree-vect-analyze.o): Remove. + (tree-vect-transform.o): Likewise. + (tree-vect-data-refs.o): Add rule. + (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o, + tree-vect-slp.o): Likewise. + (tree-vect-patterns.o): Remove redundant dependencies. + (tree-vectorizer.o): Likewise. + * tree-vect-slp.c: New file. + +2009-03-30 Ralf Wildenhues <Ralf.Wildenhues@gmx.de> + + * optc-gen.awk: Warn if an option flag has multiple different + help strings. + +2009-03-30 Sebastian Pop <sebastian.pop@amd.com> + + * doc/invoke.texi (-floop-interchange, -floop-strip-mine, + -floop-block): Document dependences on PPL, CLooG and Graphite. + +2009-03-30 Joseph Myers <joseph@codesourcery.com> + + PR rtl-optimization/323 + * c-common.c (c_fully_fold, convert_and_check, + c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR. + (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR. + * c-common.def (EXCESS_PRECISION_EXPR): New. + * c-cppbuiltin.c (builtin_define_float_constants): Define + constants with enough digits for long double. + * c-lex.c (interpret_float): Interpret constant with excess + precision where appropriate. + * c-opts.c (c_common_post_options): Set + flag_excess_precision_cmdline. Give an error for + -fexcess-precision=standard for C++ for processors where the + option is significant. + * c-parser.c (c_parser_conditional_expression): Handle excess + precision in condition. + * c-typeck.c (convert_arguments): Handle arguments with excess + precision. + (build_unary_op): Move excess precision outside operation. + (build_conditional_expr): Likewise. + (build_compound_expr): Likewise. + (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR. + (build_modify_expr): Handle excess precision in RHS. + (convert_for_assignment): Handle excess precision in converted + value. + (digest_init, output_init_element, process_init_element): Handle + excess precision in initializer. + (c_finish_return): Handle excess precision in return value. + (build_binary_op): Handle excess precision in operands and add + excess precision as needed for operation. + * common.opt (-fexcess-precision=): New option. + * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New. + * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2): + For standard excess precision, output explicit conversion to and + truncation from XFmode. + (*float<SSEMODEI24:mode><X87MODEF:mode>2_1, + *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp, + *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed + define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed + define_splits, *floatunssi<mode>2_1, two unnamed define_splits, + floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3, + divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387, + *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387, + *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed + define_splits, sqrt<mode>2): Disable where appropriate for + standard excess precision. + * convert.c (convert_to_real): Do not shorten arithmetic to type + for which excess precision would be used. + * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define. + * doc/invoke.texi (-fexcess-precision=): Document option. + (-mfpmath=): Correct index entry. + * flags.h (enum excess_precision, flag_excess_precision_cmdline, + flag_excess_precision): New. + * langhooks.c (lhd_post_options): Set + flag_excess_precision_cmdline. + * opts.c (common_handle_option): Handle -fexcess-precision=. + * toplev.c (flag_excess_precision_cmdline, flag_excess_precision, + init_excess_precision): New. + (lang_dependent_init_target): Call init_excess_precision. + * tree.c (excess_precision_type): New. + * tree.h (excess_precision_type): Declare. + +2009-03-30 Joseph Myers <joseph@codesourcery.com> + + PR c/35235 + * c-typeck.c (build_component_ref): Do not copy qualifiers from + non-lvalue to component. + +2009-03-29 Joseph Myers <joseph@codesourcery.com> + + PR preprocessor/34695 + * Makefile.in (c-opts.o): Depend on c-tree.h. + * c-common.c: Move down include of diagnostic.h. + (done_lexing, c_cpp_error): New. + * c-common.h (done_lexing): Declare. + * c-decl.c (c_write_global_declarations): Don't check cpp_errors + (parse_in). + * c-opts.c: Include c-tree.h. + (c_common_init_options): Set preprocessor error callback. + (c_common_handle_option): Do not set preprocessor + inhibit_warnings, warnings_are_errors, warn_system_headers, + pedantic_errors or inhibit_warnings flags. + (c_common_post_options): Do not check cpp_errors (parse_in). + (c_common_finish): Do not output dependencies if there were + errors. Do not check return value of cpp_finish. + * c-ppoutput.c (pp_file_change): Set input_location. + * c-tree.h (c_cpp_error): Declare. + * diagnostic.c (diagnostic_set_info_translated): Also initialize + override_column. + (diagnostic_build_prefix): Check override_column. + * diagnostic.h (diagnostic_info): Add override_column field. + (diagnostic_override_column): Define. + +2009-03-28 Paolo Bonzini <bonzini@gnu.org> + + * c-common.c (c_expand_expr, c_staticp): Remove. + * c-common.def (COMPOUND_LITERAL_EXPR): Delete. + * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL, + COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove. + * c-gimplify.c (gimplify_compound_literal_expr, + optimize_compound_literals_in_ctor): Remove. + (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling. + * c-objc-common.h (LANG_HOOKS_STATICP): Remove. + * c-semantics.c (emit_local_var): Remove. + + * langhooks-def.h (lhd_expand_expr): Remove. + * langhooks.c (lhd_expand_expr): Remove. + * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR. + + * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR + handling from c-semantics.c; don't call into langhook. + (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees. + * gimplify.c (gimplify_compound_literal_expr, + optimize_compound_literals_in_ctor): Move from c-gimplify.c. + (gimplify_init_constructor): Call optimize_compound_literals_in_ctor. + (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR + as was done in c-gimplify.c. + * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp. + * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR): + Move from c-common.h. + * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def. + + * tree.c (staticp): Do not call langhook. + * langhooks.c (lhd_staticp): Delete. + * langhooks-def.h (lhd_staticp): Delete prototype. + (LANG_HOOKS_STATICP): Delete. + (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP. + + * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs + instead of DECL_STMTs. + +2009-03-29 Joseph Myers <joseph@codesourcery.com> + + PR c/456 + PR c/5675 + PR c/19976 + PR c/29116 + PR c/31871 + PR c/35198 + * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in + void_type_node. + (fold_call_expr): Return a NOP_EXPR from folding rather than the + contained expression. + * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New. + (c_common_truthvalue_conversion): Use c_save_expr. Do not fold + conditional expressions for C. + (decl_constant_value_for_optimization): Move from + decl_constant_value_for_broken_optimization in c-typeck.c. Check + whether optimizing and that the expression is a VAR_DECL not of + array type instead of doing such checks in the caller. Do not + check pedantic. Call gcc_unreachable for C++. + * c-common.def (C_MAYBE_CONST_EXPR): New. + * c-common.h (c_fully_fold, c_save_expr, + decl_constant_value_for_optimization): New prototypes. + (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR, + C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST, + EXPR_INT_CONST_OPERANDS): Define. + * c-convert.c (convert): Strip nops from expression. + * c-decl.c (groktypename): Take extra parameters expr and + expr_const_operands. Update call to grokdeclarator. + (start_decl): Update call to grokdeclarator. Add statement for + expressions used in type of decl. + (grokparm): Update call to grokdeclarator. + (push_parm_decl): Update call to grokdeclarator. + (build_compound_literal): Add parameter non_const and build a + C_MAYBE_COSNT_EXPR if applicable. + (grokdeclarator): Take extra parameters expr and + expr_const_operands. Track expressions used in declaration + specifiers and declarators. Fold array sizes and track whether + they are constant expressions and whether they are integer + constant expressions. + (parser_xref_tag): Set expr and expr_const_operands fields in + return value. + (grokfield): Update call to grokdeclarator. + (start_function): Update call to grokdeclarator. + (build_null_declspecs): Set expr and expr_const_operands fields in + return value. + (declspecs_add_type): Handle expressions in typeof specifiers. + * c-parser.c (c_parser_declspecs): Set expr and + expr_const_operands fields for declaration specifiers. + (c_parser_enum_specifier): Likewise. + (c_parser_struct_or_union_specifier): Likewise. + (c_parser_typeof_specifier): Likewise. Update call to + groktypename. Fold expression as needed. Return expressions with + type instead of adding statements. + (c_parser_attributes): Update calls to c_parser_expr_list. + (c_parser_statement_after_labels): Fold expression before passing + to objc_build_throw_stmt. + (c_parser_condition): Fold expression. + (c_parser_asm_operands): Fold expression. + (c_parser_conditional_expression): Use c_save_expr. Update call + to build_conditional_expr. + (c_parser_alignof_expression): Update call to groktypename. + (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as + original_code. Fold expression argument of va_arg. Create + C_MAYBE_CONST_EXPR to preserve side effects of expressions in type + argument to va_arg. Update calls to groktypename. Fold array + index for offsetof. Verify that first argument to + __builtin_choose_expr has integer type. + (c_parser_postfix_expression_after_paren_type): Update calls to + groktypename and build_compound_literal. Handle expressions with + side effects in type name. + (c_parser_postfix_expression_after_primary): Update call to + c_parser_expr_list. Set original_code for calls to + __builtin_constant_p. + (c_parser_expr_list): Take extra parameter fold_p. Fold + expressions if requested. + (c_parser_objc_type_name): Update call to groktypename. + (c_parser_objc_synchronized_statement): Fold expression. + (c_parser_objc_receiver): Fold expression. + (c_parser_objc_keywordexpr): Update call to c_parser_expr_list. + (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule, + c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions. + * c-tree.h (CONSTRUCTOR_NON_CONST): Define. + (struct c_typespec): Add elements expr and expr_const_operands. + (struct c_declspecs): Add elements expr and expr_const_operands. + (groktypename, build_conditional_expr, build_compound_literal): + Update prototypes. + (in_late_binary_op): Declare. + * c-typeck.c (note_integer_operands): New function. + (in_late_binary_op): New variable. + (decl_constant_value_for_broken_optimization): Move to c-common.c + and rename to decl_constant_value_for_optimization. + (default_function_array_conversion): Do not strip nops. + (default_conversion): Do not call + decl_constant_value_for_broken_optimization. + (build_array_ref): Do not fold result. + (c_expr_sizeof_expr): Fold operand. Use C_MAYBE_CONST_EXPR for + result when operand is a VLA. + (c_expr_sizeof_type): Update call to groktypename. Handle + expressions included in type name. Use C_MAYBE_CONST_EXPR for + result when operand names a VLA type. + (build_function_call): Update call to build_compound_literal. + Only fold result for calls to __builtin_* functions. Strip + NOP_EXPR from INTEGER_CST returned from such functions. Fold + the function designator. + (convert_arguments): Fold arguments. Update call to + convert_for_assignment. + (build_unary_op): Handle increment and decrement of + C_MAYBE_CONST_EXPR. Move lvalue checks for increment and + decrement earlier. Fold operand of increment and decrement. + Handle address of C_MAYBE_CONST_EXPR. Only fold expression being + built for integer operand. Wrap returns that are INTEGER_CSTs + without being integer constant expressions or that have integer + constant operands without being INTEGER_CSTs. + (lvalue_p): Handle C_MAYBE_CONST_EXPR. + (build_conditional_expr): Add operand ifexp_bcp. Track whether + result is an integer constant expression or can be used in + unevaluated parts of one and avoid folding and wrap as + appropriate. Fold operands before possibly doing -Wsign-compare + warnings. + (build_compound_expr): Wrap result for C99 if operands can be used + in integer constant expressions. + (build_c_cast): Update call to digest_init. Do not ignore + overflow from casting floating-point constants to integers. Wrap + results that could be confused with integer constant expressions, + null pointer constants or floating-point constants. + (c_cast_expr): Update call to groktypename. Handle expressions + included in type name. + (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR. Fold + lhs inside possible SAVE_EXPR. Fold RHS before assignment. + Update calls to convert_for_assignment. + (convert_for_assignment): Take new parameter + null_pointer_constant. Do not strip nops or call + decl_constant_value_for_broken_optimization. Set + in_late_binary_op for conversions to boolean. + (store_init_value): Update call to digest_init. + (digest_init): Take new parameter null_pointer_constant. Do not + call decl_constant_value_for_broken_optimization. pedwarn for + initializers not constant expressions. Update calls to + convert_for_assignment. + (constructor_nonconst): New. + (struct constructor_stack): Add nonconst element. + (really_start_incremental_init, push_init_level, pop_init_level): + Handle constructor_nonconst and nonconst element. + (set_init_index): Call constant_expression_warning for array + designators. + (output_init_element): Fold value. Set constructor_nonconst as + applicable. pedwarn for initializers not constant expressions. + Update call to digest_init. Call constant_expression_warning + where constant initializers are required. + (process_init_element): Use c_save_expr. + (c_finish_goto_ptr): Fold expression. + (c_finish_return): Fold return value. Update call to + convert_for_assignment. + (c_start_case): Fold switch expression. + (c_process_expr_stmt): Fold expression. + (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to + ensure statement expression is not evaluated in constant expression. + (build_binary_op): Track whether results are integer constant + expressions or may occur in such, disable folding and wrap results + as applicable. Fold operands for -Wsign-compare warnings unless + in_late_binary_op. + (c_objc_common_truthvalue_conversion): Handle results folded to + integer constants that are not integer constant expressions. + * doc/extend.texi: Document when typeof operands are evaluated, + that condition of __builtin_choose_expr is an integer constant + expression, and more about use of __builtin_constant_p in + initializers. + +2009-03-29 Richard Guenther <rguenther@suse.de> + + * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly + propagate addresses of array references. + +2009-03-29 Steven Bosscher <steven@gcc.gnu.org> + + * regmove.c (perhaps_ends_bb_p): Remove. + (optimize_reg_copy_1): Don't call perhaps_ends_bb_p. Get basic block + from INSN and check that the main loop stays within that basic block. + (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise. + (regmove_forward_pass): Split out from regmove_optimize. Use + FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream. + (regmove_backward_pass): Split out from regmove_optimize. Use + FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE. + (regmove_optimize): Simplify. + +2009-03-29 H.J. Lu <hongjiu.lu@intel.com> + + PR target/39545 + * config/i386/i386.c (classify_argument): Ignore flexible array + member in struct and warn ABI change. + +2009-03-29 H.J. Lu <hongjiu.lu@intel.com> + + * config/i386/i386-protos.h (ix86_agi_dependent): New. + + * config/i386/i386.c (ix86_agi_dependent): Rewrite. + (ix86_adjust_cost): Updated. + +2009-03-29 Jan Hubicka <jh@suse.cz> + + PR middle-end/28850 + * tree-pass.h (pass_cleanup_eh): New function. + (remove_unreachable_regions): Break code handling RTL + to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW + that can not be reached by runtime. + (can_be_reached_by_runtime): New function. + (label_to_region_map): New function. + (num_eh_regions): New function. + (rtl_remove_unreachable_regions): New function. + (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions. + (remove_eh_region): New function. + * except.h: Include sbitmap and vecprim. + (remove_eh_region, remove_unreachable_regions, label_to_region_map, + num_eh_regions): Declare. + * passes.c (init_optimization_passes): Schedule cleanup_eh. + * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it. + * tree-eh.c (tree_remove_unreachable_handlers): New function. + (tree_empty_eh_handler_p): New function. + (cleanup_empty_eh): New function. + (cleanup_eh): New function. + (pass_cleanup_eh): New function. + +2009-03-29 Jan Hubicka <jh@suse.cz> + + * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready + for removed regions. + +2009-03-29 Jan Hubicka <jh@suse.cz> + + * except.c (dump_eh_tree): Dump all datastructures. + +2009-03-29 Jan Hubicka <jh@suse.cz> + + * except.c (duplicate_eh_regions_0): Handle AKA bitmap. + (duplicate_eh_regions_1): Likewise. + (duplicate_eh_regions): Likewise; cleanup code gorwing the region + vector; call EH verification. + (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1): + Be ready for region being removed. + +2009-03-29 Jan Hubicka <jh@suse.cz> + + * bitmap.c (bitmap_last_set_bit): New function. + * bitmap.h (bitmap_last_set_bit): Declare. + +2009-03-29 David Ayers <ayers@fsfe.org> + + PR objc/27377 + * c-typeck.c (build_conditional_expr): Emit ObjC warnings + by calling objc_compare_types and surpress warnings about + incompatible C pointers that are compatible ObjC pointers. + +2009-03-29 Adam Nemet <anemet@caviumnetworks.com> + + * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't + call initialize_inline_failed. + (initialize_inline_failed): Move it from here ... + * cgraph.c (initialize_inline_failed): ... to here. + (cgraph_create_edge): Call initialize_inline_failed rather than + setting inline_failed directly. + +2009-03-29 Ben Elliston <bje@au.ibm.com> + + PR target/32542 + * sysv4.opt (msdata): Improve comment. + * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given. + * sysv4.h (SVR4_ASM_SPEC): Likewise. + +2009-03-29 Ben Elliston <bje@au.ibm.com> + + PR target/30451 + * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of + load and store attributes. + +2009-03-29 Ben Elliston <bje@au.ibm.com> + + * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ. + (ix86_init_builtins): Add built-in function __builtin_huge_valq. + (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ. + * doc/extend.texi (X86 Built-in Functions): Add index entries for + __builtin_infq and __builtin_huge_valq. + +2009-03-28 Anatoly Sokolov <aesok@post.ru> + + * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and + atmega8m1 devices. + * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.). + * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.) + +2009-03-28 Xinliang David Li <davidxl@google.com> + + * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support. + (do_dbg_cnt): New function. + +2009-03-28 Jan Hubicka <jh@suse.cz> + + Merge from pretty-ipa: + + 2009-03-27 Jan Hubicka <jh@suse.cz> + + * cgraph.c (dump_cgraph_node): Add replace output flag by process. + * tree-pass.h (function_called_by_processed_nodes_p): Declare. + * passes.c (function_called_by_processed_nodes_p): New. + * ipa-pure-const.c (check_call): Fix handling of operands. + (analyze_function): Dump debug output for skipped bodies. + (local_pure_const): Use function_called_by_processed_nodes_p. + * dwarf2out.c (reference_to_unused): Use output. + * passes.c (do_per_function_toporder): Likewise. + + 2008-11-12 Jan Hubicka <jh@suse.cz> + + * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare. + * ipa-pure-const.c (funct_state_d): Add can throw field; make + state_set_in_source enum + (check_decl): Ignore memory tags; do not set fake looping flags; + dump diagnostics. + (check_operand, check_tree, check_rhs_var, check_lhs_var, + get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove. + (check_call, analyze_function): Rewrite. + (check_stmt): New. + (add_new_function): Update call of analyze_function. + (generate_summary): Add call of analyze_function. + (propagate): Propagate can_throw; handle state_set_in_source correctly. + (local_pure_const): New function. + (pass_local_pure_const): New pass. + * ipa-inline.c (inline_transform): Set after_inlining. + * tree-eh.c (stmt_can_throw_external): New. + * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining; + work with aliasing built. + * tree-flow.h (stmt_can_throw_external): New. + * passes.c (init_optimization_passes): Schedule fixup_cfg pass early; + and local pure/const pass in early and late optimization queue. + +2009-03-28 Martin Jambor <mjambor@suse.cz> + + * fold-const.c (get_pointer_modulus_and_residue): New parameter + allow_func_align. + (fold_binary): Allow function decl aligment consideration is the + second argument is integer constant one. + * tree-ssa-forwprop.c (simplify_bitwise_and): New function. + (tree_ssa_forward_propagate_single_use_vars): Handle assing statements + with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and. + +2009-03-28 Jan Hubicka <jh@suse.cz> + + * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow + * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls. + * function.h (rtl_data): Add nothrow flag. + * except.c (set_nothrow_function_flags): Use crtl->nothrow; + set DECL_NOTHROW for AVAILABLE functions. + +2009-03-28 Jakub Jelinek <jakub@redhat.com> + + * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro + following vector keyword has expansion starting with pixel or bool + keyword, expand vector to __vector and pixel or bool to __pixel or + __bool. + + PR c++/39554 + * opts.c (warning_disallowed_functions, warn_disallowed_functions, + warn_if_disallowed_function_p): Removed. + (common_handle_option): Don't handle OPT_Wdisallowed_function_list_. + * c-parser.c (c_parser_postfix_expression_after_primary): Don't call + warning_if_disallowed_function_p. + * flags.h (warn_if_disallowed_function_p, + warn_disallowed_functions): Removed. + * common.opt (Wdisallowed-function-list=): Removed. + * doc/invoke.texi (-Wdisallowed-function-list=): Removed. + +2009-03-28 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/38723 + * tree-ssa-pre.c (compute_avail): Add all default definitions to + the entry block. + +2009-03-28 Jan Hubicka <jh@suse.cz> + + * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed + test introduced by my previous patch. + +2009-03-28 Richard Guenther <rguenther@suse.de> + + * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave + the PHIs value undefined. + +2009-03-28 Jan Hubicka <jh@suse.cz> + + * tree-pass.h (pass_fixup_cfg): New pass. + * ipa-inline.c (inline_transform): Set + always_inline_functions_inlined/after_inlining. + * tree-optimize.c (execute_fixup_cfg): Do not set them here. + (pass_fixup_cfg): New pass. + * passes.c (init_optimization_passes): Add fixup_cfg. + +2009-03-28 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/38458 + * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first + argument use the arguments copy-of value. + +2009-03-28 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/38180 + * tree-ssa-ccp.c (get_default_value): Simplify. + (likely_value): Likewise. + (surely_varying_stmt_p): Properly handle VOP case. + (ccp_initialize): Likewise. + (ccp_fold): Handle propagating through *&. + (fold_const_aggregate_ref): Also handle decls. + +2009-03-28 Jan Hubicka <jh@suse.cz> + + * cgraph.c (dump_cgraph_node): Add replace output flag by process. + * cgraph.h (cgraph_node): Likewise. + * cgraphunit.c (cgraph_process_new_functions): Set process flag. + (cgraph_reset_node): Use process flag. + (cgraph_mark_functions_to_output): Likewise. + (cgraph_expand_function): Likewise. + (cgraph_expand_all_functions): Likewise. + (cgraph_output_in_order): Likewise. + * dwarf2out.c (reference_to_unused): Likewise. + * passes.c do_per_function_toporder): Likewise. + +2009-03-28 Jan Hubicka <jh@suse.cz> + + Bring from lto-branch: + + 2008-09-03 Doug Kwan <dougkwan@google.com> + + * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t + enums instead of reason strings. + * cgraph.c (cgraph_create_edge): Same. + (cgraph_inline_failed_string): New function. + * cgraph.h (cgraph_inline_failed_t): New enum type. + (cgraph_inline_failed_string): New prototype. + (struct cgraph_edge): Change type of INLINED_FAILED from constant + char pointer to cgraph_inline_failed_t. + (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t. + (cgraph_default_inline_p): Ditto. + * cgraphunit.c (cgraph_inline_p): Change type of parameter REASON + to cgraph_inline_failed_t pointer. + * cif-code.def: New file. + * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a + reason string. + (cgraph_check_inline_limits): Change type of REASON to pointer to + cgraph_inline_failed_t. Replace reason strings with enums. + (cgraph_default_inline_p): Ditto. + (cgraph_recursive_inlining_p): Ditto. + (update_caller_keys): Change type of FAILED_REASON to + cgraph_inline_failed_t. + (cgraph_set_inline_failed): Change type of REASON to pointer to + cgraph_inline_failed_t. Call cgraph_inline_failed_string to + convert enums to strings for text output. + (cgraph_decide_inlining_of_small_function): Change FAILED_REASON + to be of type cgraph_inline_failed_t. Replace reason strings with + enums. Call cgraph_inline_failed_string to covert enums + to strings for text output. + (cgraph_decide_inlining): Replace reason strings with enums. + (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON + to cgraph_inline_failed_t type. Call cgraph_inline_failed_string + for text output. + * tree-inline.c (expand_call_inline): Change type of REASON + to cgraph_inline_failed_t. Replace reason strings with enums. + Call cgraph_inline_failed_string for text output. + * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies. + (cgraph.o): Ditto. + +2009-03-28 Jan Hubicka <jh@suse.cz> + + * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node, + cgraph_clone_node): Remove master clone handling. + (cgraph_is_master_clone, cgraph_master_clone): Remove. + * cgraph.h (master_clone): Remove. + (cgraph_is_master_clone, cgraph_master_clone): Remove. + * ipa-type-escape.c (type_escape_execute): Remove use of master clone. + (tree-ssa-structalias.c (ipa_pta_execute): Likewise. + +2009-03-28 Jan Hubicka <jh@suse.cz> + + * cgraph.c (cgraph_function_body_availability): Functions declared + inline are always safe to assume that it is not going to be replaced. + +2009-03-28 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/38513 + * tree-ssa-pre.c (eliminate): Remove redundant stores. + * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle + EXC_PTR_EXPR and FILTER_EXPR. + (get_ref_from_reference_ops): Likewise. + +2009-03-28 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/38968 + * tree-vect-analyze.c (vect_compute_data_ref_alignment): + Use FLOOR_MOD_EXPR to compute misalignment. + +2009-03-28 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/37795 + * tree.h (combine_comparisons): Declare. + * fold-const.c (combine_comparisons): Export. + * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive + comparisons. + (ifcombine_iforif): Use combine_comparisons. + +2009-03-28 Jan Hubicka <jh@suse.cz> + + * tree-eh.c (inlinable_call_p): New function. + (make_eh_edges): Use it. + (verify_eh_edges): Use it. + (stmt_can_throw_external, stmt_can_throw_internal): Use it. + * except.c (reachable_next_level): Add inlinable_function argument + (sjlj_find_directly_reachable_regions): Update. + (add_reachable_handler): Do not set saw_any_handlers. + (reachable_next_level): Handle MUST_NOT_THROW more curefully. + (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1): + Add new inlinable call parameter. + (can_throw_internal, can_throw_external): Update. + * except.h (can_throw_internal_1, can_throw_external_1, + foreach_reachable_handler): Update declaration. + +2009-03-28 Joseph Myers <joseph@codesourcery.com> + + * config/arm/t-arm-coff, config/h8300/coff.h, + config/i386/i386-aout.h, config/i386/i386-coff.h, + config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h, + config/pdp11/2bsd.h, config/rs6000/aix41.h, + config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h, + fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c, + scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h, + sys-types.h: Remove. + * Makefile.in: Remove protoize and fixproto support and references + in comments. + (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO, + PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES): + Remove. + (ALL_HOST_OBJS): Remove $(PROTO_OBJS). + (MOSTLYCLEANFILES): Remove protoize$(exeext) and + unprotoize$(exeext). + (rest.encap): Don't depend on $(STMP_FIXPROTO) + (.PHONY): Don't depend on proto. + (libgcc-support): Don't depend on $(STMP_FIXPROTO). + (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext), + protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple, + deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext), + build/gen-protos.o, build/scan.o, xsys-protos.h, + build/fix-header$(build_exeext), build/fix-header.o, + build/scan-decls.o, fixhdr.ready, stmp-fixproto, + stmp-install-fixproto): Remove. + (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X, + SYSCALLS.c or fixproto files. + (install-common): Don't install protoize. + (install-headers-tar, install-headers-cpio, install-headers-cp): + Don't depend on $(STMP_FIXPROTO). + (install-mkheaders): Don't depend on $(STMP_FIXPROTO). Don't + install fixproto files or write out fixproto settings. + (uninstall): Don't uninstall protoize. + * config.gcc (use_fixproto): Remove. + (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*, + i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd, + rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove. + * config/m32r/t-linux (STMP_FIXPROTO): Remove. + * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code. + * config/mips/t-iris (FIXPROTO_DEFINES): Remove. + * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove. + * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code. + * config/t-svr4 (FIXPROTO_DEFINES): Remove. + * config/t-vxworks (STMP_FIXPROTO): Remove. + * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T, + STMP_FIXPROTO): Remove. + * config.in, configure: Regenerate. + * crtstuff.c (gid_t, uid_t): Don't undefine. + * doc/install.texi: Change m68k-coff to m68k-elf in example. + (arm-*-coff, arm-*-aout: Remove target entries. + (*-ibm-aix*): Mention removal of support for AIX 4.2 and older. + Remove mention of AIX 4.1. + (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*. + * doc/invoke.texi (Running Protoize): Remove. + * doc/trouble.texi (Actual Bugs): Remove mention of fixproto. + (Protoize Caveats): Remove. + * tsystem.h: Update comments on headers assumed to exist. + +2009-03-27 Vladimir Makarov <vmakarov@redhat.com> + + * genautomata.c: Add a new year to the copyright. Add a new + reference. + (struct insn_reserv_decl): Add comments for member bypass_list. + (find_bypass): Remove. + (insert_bypass): New. + (process_decls): Use insert_bypass. + (output_internal_insn_latency_func): Output all bypasses with the + same input insn in one switch case. + + * rtl.def (define_bypass): Describe bypass choice. + * doc/md.texi (define_bypass): Ditto. + +2009-03-27 Richard Guenther <rguenther@suse.de> + + * gimplify.c (mark_addressable): Export. + * tree-flow.h (mark_addressable): Declare. + * tree-ssa-loop-manip.c (create_iv): Mark the base addressable. + * tree-ssa.c (verify_phi_args): Verify that address taken + variables have TREE_ADDRESSABLE set. + +2009-03-27 Richard Guenther <rguenther@suse.de> + + * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ... + (build_fold_addr_expr_with_type): ... this. Remove in_fold handling. + Do not mark decls TREE_ADDRESSABLE. + (build_fold_addr_expr): Adjust. + (fold_addr_expr): Remove. + (fold_unary): Use build_fold_addr_expr. + (fold_comparison): Likewise. + (split_address_to_core_and_offset): Likewise. + * coverage.c (tree_coverage_counter_addr): Mark the array decl + TREE_ADDRESSABLE. + * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs. + (gimplify_modify_expr_to_memcpy): Mark source and destination + addressable. + * omp-low.c (create_omp_child_function): Mark the object decl + TREE_ADDRESSABLE. + (lower_rec_input_clauses): Mark the var we take the address of + TREE_ADDRESSABLE. + (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE. + +2009-03-27 H.J. Lu <hongjiu.lu@intel.com> + + PR middle-end/39315 + * cfgexpand.c (expand_one_stack_var_at): Change alignment + limit to MAX_SUPPORTED_STACK_ALIGNMENT. + +2009-03-27 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/39120 + * tree-ssa-structalias.c (handle_rhs_call): Fill out return + constraints. + (handle_lhs_call): Process return constraints. Add escape + constraints if necessary. + (handle_const_call): Fill out return constraints. Make nested + case more precise. Avoid consttmp if possible. + (handle_pure_call): Fill out return constraints. Avoid + callused if possible. + (find_func_aliases): Simplify call handling. + +2009-03-27 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/39120 + * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED + as a representative. + (solve_graph): Do propagate CALLUSED. + (handle_pure_call): Use a scalar constraint from CALLUSED for + the return value. + (find_what_p_points_to): CALLUSED shall not appear in poins-to + solutions. + +2009-03-27 H.J. Lu <hongjiu.lu@intel.com> + + PR c/39323 + * c-common.c (handle_aligned_attribute): Properly check alignment + overflow. Use (1U << i) instead of (1 << i). + + * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align. + + * expr.h (get_mem_align_offset): Updated. + + * tree.h (tree_decl_common): Change align to "unsigned int" and + move it before pointer_alias_set. + +2009-03-27 H.J. Lu <hongjiu.lu@intel.com> + Jakub Jelinek <jakub@redhat.com> + + PR target/38034 + * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input + gr_register_operand with gr_reg_or_0_operand. + (cmpxchg_rel_di): Likewise. + (sync_lock_test_and_set<mode>): Likewise. + +2009-03-27 H.J. Lu <hongjiu.lu@intel.com> + + * jump.c (rtx_renumbered_equal_p): Use subreg_get_info. + (true_regnum): Likewise. + + * rtlanal.c (subreg_info): Moved to ... + * rtl.h (subreg_info): Here. New. + (subreg_get_info): New. + + * rtlanal.c (subreg_get_info): Make it extern. + +2009-03-27 H.J. Lu <hongjiu.lu@intel.com> + + PR target/39472 + * config/i386/i386.c (ix86_abi): New. + (override_options): Handle -mabi=. + (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi. + (ix86_call_abi_override): Likewise. + (init_cumulative_args): Likewise. + (function_arg_advance): Likewise. + (function_arg_64): Likewise. + (function_arg): Likewise. + (ix86_pass_by_reference): Likewise. + (ix86_function_value_regno_p): Likewise. + (ix86_build_builtin_va_list_abi): Likewise. + (setup_incoming_varargs_64): Likewise. + (is_va_list_char_pointer): Likewise. + (ix86_init_machine_status): Likewise. + (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi. + (ix86_function_type_abi): Return enum calling_abi. Rewrite + for 64bit. Replace DEFAULT_ABI with ix86_abi. + (ix86_function_abi): Make it static and return enum calling_abi. + (ix86_cfun_abi): Return enum calling_abi. Replace DEFAULT_ABI + with ix86_abi. + (ix86_fn_abi_va_list): Updated. + + * config/i386/i386.h (ix86_abi): New. + (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi. + (CONDITIONAL_REGISTER_USAGE): Likewise. + (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi. + (machine_function): Likewise. + + * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI + with ix86_abi. + * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise. + (STACK_BOUNDARY): Likewise. + * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise. + + * config/i386/i386.opt (mabi=): New. + + * config/i386/i386-protos.h (ix86_cfun_abi): Changed to + return enum calling_abi. + (ix86_function_type_abi): Likewise. + (ix86_function_abi): Removed. + + * doc/invoke.texi: Document -mabi= option for x86. + +2009-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * builtins.c (real_dconstp): Delete. + (fold_builtin_logarithm): Remove inaccurate log(e) special case. + +2009-03-27 Dodji Seketeli <dodji@redhat.com> + Jakub Jelinek <jakub@redhat.com> + + PR debug/37959 + * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute. + (gen_subprogram_die): When a function is explicit, generate the + DW_AT_explicit attribute. + * langhooks.h (struct lang_hooks_for_decls): Add + function_decl_explicit_p langhook. + * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define. + (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P. + +2009-03-27 Jakub Jelinek <jakub@redhat.com> + + * builtins.c (fold_builtin_memory_op): Optimize memmove + into memcpy if we can prove source and destination don't overlap. + + * tree-inline.c: Include gt-tree-inline.h. + (clone_fn_id_num): New variable. + (clone_function_name): New function. + (tree_function_versioning): Use it. + * Makefile.in (GTFILES): Add tree-inline.c. + +2009-03-27 Mark Mitchell <mark@codesourcery.com> + + * BASE-VER: Change to 4.5.0. + +2009-03-27 Xinliang David Li <davidxl@google.com> + + PR tree-optimization/39557 + * tree-ssa.c (warn_uninitialized_vars): free postdom info. + +2009-03-27 Xinliang David Li <davidxl@google.com> + + PR tree-optimization/39548 + * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy + candidate check. + +2009-03-27 H.J. Lu <hongjiu.lu@intel.com> + + * c-common.c (pointer_int_sum): Use %wd on return from + tree_low_cst. + +2009-03-27 H.J. Lu <hongjiu.lu@intel.com> + + * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC + on return from tree_low_cst. + +2009-03-27 Andrew Pinski <andrew_pinski@playstation.sony.com> + + PR c++/36799 + * ginclude/stdarg.h (va_copy): Define also for + __GXX_EXPERIMENTAL_CXX0X__. + +2009-03-27 Manuel Lopez-Ibanez <manu@gcc.gnu.org> + + PR c++/35652 + * builtins.h (c_strlen): Do not warn here. + * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum. + * c-common.c (pointer_int_sum): Take an explicit location. + Warn about offsets out of bounds. + * c-common.h (pointer_int_sum): Adjust declaration. + +2009-03-26 Ralf Wildenhues <Ralf.Wildenhues@gmx.de> + + * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo + markup glitch. + +2009-03-26 Jakub Jelinek <jakub@redhat.com> + + PR c++/39554 + * opts.c (warn_if_disallowed_function_p): Don't assume + get_callee_fndecl must return non-NULL. + +2009-03-26 Vladimir Makarov <vmakarov@redhat.com> + + PR rtl-optimization/39522 + * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too + when reg_reloaded_valid is set. + +2009-03-26 Ulrich Weigand <Ulrich.Weigand@de.ibm.com> + + * config/spu/divv2df3.c: New file. + * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it. + (DPBIT_FUNCS): Filter out _div_df. + +2009-03-26 Bernd Schmidt <bernd.schmidt@analog.com> + + * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before + a jump insn, count that jump in the distance to the loop start. + +2009-03-25 Kaz Kojima <kkojima@gcc.gnu.org> + + PR target/39523 + * config/sh/sh.c (calc_live_regs): Fix condition for global + registers except PIC_OFFSET_TABLE_REGNUM. + +2009-03-25 Kai Tietz <kai.tietz@onevision.com> + + PR/39518 + * doc/invoke.texi (-mconsole): New. + (-mcygwin): New. + (-mno-cygwin): New. + (-mdll): New. + (-mnop-fun-dllimport): New. + (-mthread): New. + (-mwin32): New. + (-mwindows): New. + (sub section "i386 and x86-64 Windows Options"): New. + +2009-03-25 Ralf Corsépius <ralf.corsepius@rtems.org> + + * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC. + * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS. + +2009-03-25 Richard Guenther <rguenther@suse.de> + + PR middle-end/39497 + * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead + of -Wno-error. + +2009-03-25 Andrey Belevantsev <abel@ispras.ru> + + * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when + neither of haifa/selective schedulers are working. + +2009-03-25 Ralf Wildenhues <Ralf.Wildenhues@gmx.de> + + * doc/invoke.texi (Debugging Options): Fix description of + -fno-merge-debug-strings. + +2009-03-24 Hans-Peter Nilsson <hp@axis.com> + + * config/cris/libgcc.ver: New version-script. + * config/cris/t-linux (SHLIB_MAPFILES): Use it. + + * configure.ac <GAS features, nop mnemonic>: Add pattern + crisv32-*-* for "nop". + <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32. + * configure: Regenerate. + +2009-03-24 Ira Rosen <irar@il.ibm.com> + + PR tree-optimization/39529 + * tree-vect-transform.c (vect_create_data_ref_ptr): Call + mark_sym_for_renaming for the tag copied to the new vector + pointer. + +2009-03-24 Arthur Loiret <aloiret@debian.org> + + * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha. + * config/alpha/linux.h (host_detect_local_cpu): Declare, add to + EXTRA_SPEC_FUNCTIONS. + (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros. + * config/alpha/driver-alpha.c, config/alpha/x-alpha: New. + * doc/invoke.texi (DEC Alpha Options): Document 'native' value for + -march and -mtune options. + +2009-03-24 Ralf Corsépius <ralf.corsepius@rtems.org> + + * config/m68k/t-rtems: Add m5329 multilib. + +2009-03-24 Dodji Seketeli <dodji@redhat.com> + Jakub Jelinek <jakub@redhat.com> + + PR debug/39524 + * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration + nodes. + +2009-03-23 Jakub Jelinek <jakub@redhat.com> + + PR c/39495 + * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression + instead of c_parser_expression_conv, if original_code isn't one of the + 4 allowed comparison codes, fail. + +2009-03-23 Richard Guenther <rguenther@suse.de> + + * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts. + * tree.h (struct tree_type): Likewise. + * reload.h (struct insn_chain): Likewise. + * dwarf2out.c (struct dw_loc_descr_struct): Likewise. + * function.h (struct function): Likewise. + * tree-ssa-structalias.c (struct equiv_class_label): Likewise. + +2009-03-23 Jakub Jelinek <jakub@redhat.com> + + PR tree-optimization/39516 + * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable. + +2009-03-23 Bingfeng Mei <bmei@broadcom.com> + + * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint + should be set true if BITS_PER_WORD of target is bigger than 32 + +2009-03-22 Hans-Peter Nilsson <hp@axis.com> + + * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC): + Translate -B-options to -rpath-link. Correct existing + rpath-link and conditionalize on !nostdlib. + +2009-03-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de> + + * doc/extend.texi (Function Attributes, Variable Attributes): + Fix typos. + * doc/invoke.texi (Debugging Options, Optimize Options) + (i386 and x86-64 Options, MCore Options): Likewise. + +2009-03-20 Jakub Jelinek <jakub@redhat.com> + + PR debug/37890 + * dwarf2out.c (gen_namespace_die): Add context_die argument and use + it for block local namespace aliases. + (gen_decl_die): Pass context_die to gen_namespace_die. + +2009-03-19 Jakub Jelinek <jakub@redhat.com> + + PR c/39495 + * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s + minimum or maximum value. + +2009-03-19 Alexandre Oliva <aoliva@redhat.com> + + * reginfo.c (globalize_reg): Recompute derived reg sets. + +2009-03-19 Ozkan Sezer <sezeroz@gmail.com> + + PR target/39063 + * libgcc2.c (mprotect): Do not use signed arguments for + VirtualProtect, use DWORD arguments. Also fix the 'may + be used uninitialized' warning for the np variable. + +2009-03-19 Jakub Jelinek <jakub@redhat.com> + + PR target/39496 + * config/i386/i386.c (ix86_function_regparm): Don't optimize local + functions using regparm calling conventions when not optimizing. + (ix86_function_sseregparm): Similarly for sseregparm calling + conventions. + +2009-03-19 Li Feng <nemokingdom@gmail.com> + + PR middle-end/39500 + * tree-data-ref.c (analyze_subscript_affine_affine): There is no + dependence if the first conflict is after niter iterations. + +2009-03-19 Hans-Peter Nilsson <hp@axis.com> + + PR middle-end/38609 + * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all + functions with dynamic stack-pointer adjustments. + +2009-03-19 Ben Elliston <bje@au.ibm.com> + + * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data + option; change to -msdata=data. + +2009-03-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de> + + * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers, + and -fopenmp. + +2009-03-18 Eric Botcazou <ebotcazou@adacore.com> + + PR target/35180 + * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output. + +2009-03-18 Sandra Loosemore <sandra@codesourcery.com> + + * doc/invoke.texi (Code Gen Options): Expand discussion of + -fno-common. + +2009-03-18 Jakub Jelinek <jakub@redhat.com> + + * dse.c (struct group_info): Reorder fields for 64-bit hosts. + * matrix-reorg.c (struct matrix_info): Likewise. + * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise. + * rtl.h (struct mem_attrs): Likewise. + * df.h (struct df): Likewise. + * tree-data-ref.h (struct data_dependence_relation): Likewise. + * ira-int.h (struct ira_allocno): Likewise. + * df-scan.c (struct df_collection_rec): Likewise. + * ira.c (struct equivalence): Likewise. + * function.c (struct temp_slot): Likewise. + * cfgloop.h (struct loop): Likewise. + + PR debug/39485 + * function.c (use_register_for_decl): When not optimizing, disregard + register keyword for variables with types containing methods. + +2009-03-18 Sebastian Pop <sebastian.pop@amd.com> + + PR middle-end/39447 + * graphite.c (exclude_component_ref): Renamed contains_component_ref_p. + (is_simple_operand): Call contains_component_ref_p before calling data + reference analysis that would fail on COMPONENT_REFs. + + * tree-vrp.c (search_for_addr_array): Fix formatting. + +2009-03-18 Richard Guenther <rguenther@suse.de> + + * tree-vect-transform.c (vect_loop_versioning): Fold the + generated comparisons. + * tree-vectorizer.c (set_prologue_iterations): Likewise. + (slpeel_tree_peel_loop_to_edge): Likewise. + +2009-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de> + + PR middle-end/37805 + * opts.c (print_specific_help): In addition to `undocumented', + accept `separate' and `joined' flags if passed alone. Describe + output by the first matched one of those. + (common_handle_option): Skip over empty strings. + * gcc.c (display_help): Fix help string for `--help='. + * doc/invoke.texi (Option Summary, Overall Options): With + `--help=', classes and qualifiers can both be repeated, but + only the latter can be negated. One should not pass only + negated qualifiers. Fix markup and examples. + + Revert + 2008-10-14 Jakub Jelinek <jakub@redhat.com> + PR middle-end/37805 + * opts.c (common_handle_option): Don't ICE on -fhelp=joined + and -fhelp=separate. + +2009-03-17 Jing Yu <jingyu@google.com> + + PR middle-end/39378 + * function.h (struct rtl_data): Move is_thunk from here... + (struct function): ...to here. + * cp/method.c (use_thunk): Change is_thunk from crtl to cfun. + * varasm.c (assemble_start_function): Change is_thunk from crtl to + cfun. + * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to + cfun. + (alpha_does_function_need_gp, alpha_start_function): Likewise. + (alpha_output_function_end_prologue): Likewise. + (alpha_end_function, alpha_output_mi_thunk_osf): Likewise. + * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise. + (rs6000_output_function_epilogue): Likewise. + * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise. + +2009-03-17 Uros Bizjak <ubizjak@gmail.com> + + PR target/39482 + * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers + from different units in a single alternative. + (*truncdfsf_i387): Ditto. + (*truncxfsf2_mixed): Ditto. + (*truncxfdf2_mixed): Ditto. + +2009-03-17 Jakub Jelinek <jakub@redhat.com> + + * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow + non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL. + + PR debug/39474 + * tree-ssa-live.c (remove_unused_locals): Don't remove local + unused non-artificial variables when not optimizing. + + PR debug/39471 + * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit + DW_TAG_imported_module even if decl is IMPORTED_DECL with + NAMESPACE_DECL in its DECL_INITIAL. + + PR middle-end/39443 + * optabs.c (set_user_assembler_libfunc): New function. + * expr.h (set_user_assembler_libfunc): New prototype. + * c-common.c: Include libfuncs.h. + (set_builtin_user_assembler_name): Call set_user_assembler_libfunc + for memcmp, memset, memcpy, memmove and abort. + * Makefile.in (c-common.o): Depend on libfuncs.h. + + PR debug/39412 + * dwarf2out.c (gen_inlined_enumeration_type_die, + gen_inlined_structure_type_die, gen_inlined_union_type_die, + gen_tagged_type_instantiation_die): Removed. + (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin + do nothing. + +2009-03-17 Janis Johnson <janis187@us.ibm.com> + + PR testsuite/38526 + * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment + its use. + (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest. + (check-parallel-%): Ditto. + (check-consistency): Ditto. + +2009-03-17 Kai Tietz <kai.tietz@onevision.com> + + * ipa-struct-reorg.c (create_general_new_stmt): Initialize + local variable rhs by NULL_TREE. + +2009-03-17 H.J. Lu <hongjiu.lu@intel.com> + + PR target/39477 + * doc/extend.texi: Correct register behavior for regparm on Intel 386. + +2009-03-17 H.J. Lu <hongjiu.lu@intel.com> + + PR target/39476 + * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit. + +2009-03-17 H.J. Lu <hongjiu.lu@intel.com> + + PR target/39473 + * config/i386/i386.c (ix86_expand_call): Check extra clobbers + for ms->sysv ABI calls only in 64bit mode. + + * config/i386/i386.md (untyped_call): Support 32bit. + +2009-03-16 H.J. Lu <hongjiu.lu@intel.com> + + * doc/extend.texi: Replace x86_65 with x86_64. + +2009-03-16 Jakub Jelinek <jakub@redhat.com> + + PR tree-optimization/39455 + * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types + mismatches for POINTER_TYPE_P (type). + (number_of_iterations_le): Likewise. + +2009-03-16 Hariharan Sandanagobalane <hariharan@picochip.com> + + * config/picochip/picochip.c: Removed profiling support. + * config/picochip/picochip.md: Removed profiling instruction. + * config/picochip/picochip.h: Removed profiling builtin. + +2009-03-16 Joseph Myers <joseph@codesourcery.com> + + * doc/install.texi (--with-host-libstdcxx): Document. + +2009-03-14 Anatoly Sokolov <aesok@post.ru> + + PR target/34299 + * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for + generate a warning if the function name does not begin with + "__vector" and the function has either the 'signal' or 'interrupt' + attribute, from here to ... + (avr_declare_function_name): ...here. New function. + * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine. + * config/avr/avr-protos.h (avr_declare_function_name): Declare. + +2009-03-14 Jakub Jelinek <jakub@redhat.com> + + PR bootstrap/39454 + * cse.c (fold_rtx): Don't modify original const_arg1 when + canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a + separate variable instead. + * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything + from out of range shift counts. + (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly. + +2009-03-13 Catherine Moore <clm@codesourcery.com> + + * config/i386/x-mingw32 (host-mingw32.o): Replace + diagnostic.h with $(DIAGNOSTIC_H). + +2009-03-12 Jakub Jelinek <jakub@redhat.com> + + PR target/39431 + * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New + predicate. + * config/i386/sync.md (sync_compare_and_swap<mode>, + sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check + if operands[1] is cmpxchg8b_pic_memory_operand, if not force address + into a register. + (sync_double_compare_and_swapdi_pic, + sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be + cmpxchg8b_pic_memory_operand instead of just memory_operand. + +2009-03-12 H.J. Lu <hongjiu.lu@intel.com> + + PR target/39445 + * config/i386/i386.c (ix86_expand_push): Don't set memory alignment. + +2009-03-12 H.J. Lu <hongjiu.lu@intel.com> + + PR target/39327 + * config/i386/sse.md (avx_addsubv8sf3): Correct item bits. + (avx_addsubv4df3): Likewise. + (*avx_addsubv4sf3): Likewise. + (sse3_addsubv4sf3): Likewise. + +2009-03-12 H.J. Lu <hongjiu.lu@intel.com> + + PR target/38824 + * config/i386/i386.md: Compare REGNO on the new peephole2 patterns. + +2009-03-12 Vladimir Makarov <vmakarov@redhat.com> + + PR debug/39432 + * ira-int.h (struct allocno): Fix comment for calls_crossed_num. + * ira-conflicts.c (ira_build_conflicts): Prohibit call used + registers for allocnos created from user-defined variables. + +2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com> + + PR target/39181 + * config/spu/spu.c (spu_expand_mov): Handle invalid subregs + of non-integer mode as well. + +2009-03-11 Adam Nemet <anemet@caviumnetworks.com> + + * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P + for functions for which the parameter types are unknown. + +2009-03-11 Jakub Jelinek <jakub@redhat.com> + + PR target/39137 + * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro. + * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined. + * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define. + * config/i386/i386.c (ix86_local_alignment): For + -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for + long long variables on the stack to avoid dynamic realignment. + Allow the first argument to be a decl rather than type. + * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document. + +2009-03-11 Nick Clifton <nickc@redhat.com> + + PR target/5362 + * config/mcore/mcore.opt: Remove deprecated m4align and m8align + options. + Add description to mno-lsim option. + * config/mcore/mcore.h: Remove comment about deprecated m4align + option. + (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN. + * doc/invoke.texi: Add description of mno-lsim and + mstack-increment options. + + * config/fr30/fr30.opt: Document the -mno-lsim option. + * doc/invoke.texi: Add descriptions of the FR30's -msmall-model + and -mno-lsim options. + +2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com> + + * fold-const.c (fold_comparison): Only call fold_inf_compare + if the mode supports infinities. + +2009-03-11 Jason Merrill <jason@redhat.com> + + PR debug/39086 + * tree-nrv.c (tree_nrv): Don't do this optimization if the front + end already did. Notice GIMPLE_CALL modifications of the result. + Don't copy debug information from an ignored decl or a decl from + another function. + +2009-03-10 Richard Guenther <rguenther@suse.de> + Nathan Froyd <froydnj@codesourcery.com> + + PR middle-end/37850 + * libgcc2.c (__mulMODE3): Use explicit assignments to form the result. + (__divMODE3): Likewise. + +2009-03-09 Jakub Jelinek <jakub@redhat.com> + + PR tree-optimization/39394 + * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and + DECL_SIZE_UNIT of variable length FIELD_DECLs. + +2009-03-09 Andreas Krebbel <Andreas.Krebbel@de.ibm.com> + + * recog.c (verfiy_changes): Disallow renaming of hard regs in + inline asms for register asm ("") declarations. + +2009-03-09 Eric Botcazou <ebotcazou@adacore.com> + + * fold-const.c (fold_unary): Fix comment. + +2009-03-07 Jan Hubicka <jh@suse.cz> + + PR target/39361 + * tree-inline.c (setup_one_parameter): Do replacement of const + argument by constant in SSA form. + +2009-03-07 Ulrich Weigand <Ulrich.Weigand@de.ibm.com> + + PR middle-end/38028 + * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to + determine alignment passed to assign_stack_local. + (assign_parms_unsplit_complex): Likewise. + * except.c (sjlj_build_landing_pads): Likewise. + +2009-03-06 Jakub Jelinek <jakub@redhat.com> + + PR middle-end/39360 + * tree-flow.h (add_referenced_var): Return bool instead of void. + * tree-dfa.c (add_referenced_var): Return result of + referenced_var_check_and_insert call. + * tree-inline.c (expand_call_inline): Call add_referenced_var instead + of referenced_var_check_and_insert. + + PR debug/39372 + * dwarf2out.c (add_abstract_origin_attribute): Return origin_die. + (gen_variable_die): Emit DW_AT_location on abstract static variable's + DIE, don't emit it if abstract origin already has it. + * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any + BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless. + +2009-03-06 Jan-Benedict Glaw <jbglaw@lug-owl.de> + + * genpreds.c (needs_variable): Fix parentheses at variable name + detection. + (write_tm_constrs_h): Indent generated code. + +2009-03-06 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com> + + * doc/extend.texi (Function Attributes): Add documentation + for isr attributes. + +2009-03-06 Jakub Jelinek <jakub@redhat.com> + + PR debug/39387 + * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL + take locus from its DECL_SOURCE_LOCATION instead of input_location. + +2009-03-05 Bernd Schmidt <bernd.schmidt@analog.com> + + * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark + the loop as bad. + +2009-03-05 Jakub Jelinek <jakub@redhat.com> + + PR debug/39379 + * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs + with blocks containing IMPORTED_DECLs in BLOCK_VARS. + +2009-03-05 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/i386.md (R8_REG, R9_REG): New constants. + * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named + constants instead of magic numbers. + (HARD_REGNO_CALLER_SAVE_MODE): Ditto. + (QI_REG_P): Ditto. + * config/i386/i386.c (x86_64_int_parameter_registers): Ditto. + (x86_64_ms_abi_int_parameter_registers): Ditto. + (x86_64_int_return_registers): Ditto. + (ix86_maybe_switch_abi): Ditto. + (ix86_expand_call): Ditto for clobbered_registers array. + (ix86_hard_regno_mode_ok): Ditto. + (x86_extended_QIreg_mentioned_p): Ditto. + +2009-03-05 J"orn Rennecke <joern.rennecke@arc.com> + + PR tree-optimization/39349 + * cse.c (cse_insn): Fix loop to stop at VOIDmode. + + * combine.c (gen_lowpart_for_combine): Use omode when generating + clobber. + +2009-03-04 J"orn Rennecke <joern.rennecke@arc.com> + + PR rtl-optimization/39235 + * loop-iv.c (get_simple_loop_desc): Use XCNEW. + +2009-03-04 Zdenek Dvorak <ook@ucw.cz> + + * graphite.c (nb_reductions_in_loop): Update simple_iv arguments. + +2009-03-04 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/39362 + * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs + that occur in abnormal PHIs should be varying. + +2009-03-04 Zdenek Dvorak <ook@ucw.cz> + + * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): + Extend comments. + (simple_iv): Take loop as an argument instead of statement. + * tree-scalar-evolution.h (simple_iv): Declaration changed. + * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls + to simple_iv. + * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev): + Ditto. + * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto. + * matrix-reorg.c (analyze_transpose): Ditto. + * tree-data-ref.c (dr_analyze_innermost): Ditto. + * tree-vect-analyze.c (vect_analyze_data_refs): Ditto. + * tree-predcom.c (ref_at_iteration): Ditto. + * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto. + +2009-03-04 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/39358 + * tree-ssa-structalias.c (do_sd_constraint): Fix check for + escaped_id and callused_id. + (solve_graph): Likewise. + +2009-03-04 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/39339 + * tree-sra.c (try_instantiate_multiple_fields): Make it + no longer ICE on the above. + +2009-03-03 Joseph Myers <joseph@codesourcery.com> + + * emit-rtl.c (adjust_address_1): Reduce offset to a signed value + that fits within Pmode. + +2009-03-03 Steve Ellcey <sje@cup.hp.com> + + PR middle-end/10109 + * tm.texi (LIBCALL_VALUE): Update description. + +2009-03-03 Steve Ellcey <sje@cup.hp.com> + + PR middle-end/34443 + * doc/extend.texi (section): Update description. + +2009-03-03 H.J. Lu <hongjiu.lu@intel.com> + + PR middle-end/39345 + * tree-inline.c (remapped_type): New. + (can_be_nonlocal): Call remapped_type instead of remap_type. + +2009-03-03 Jakub Jelinek <jakub@redhat.com> + + PR fortran/39354 + * gimplify.c (goa_stabilize_expr): Handle tcc_comparison, + TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR. + +2009-03-03 Richard Guenther <rguenther@suse.de> + + PR middle-end/39272 + * tree.c (tree_nonartificial_location): New function. + * tree.h (tree_nonartificial_location): Declare. + * builtins.c (expand_builtin_memory_chk): Provide location + of the call location for artificial function pieces. + (maybe_emit_chk_warning): Likewise. + (maybe_emit_sprintf_chk_warning): Likewise. + (maybe_emit_free_warning): Likewise. + * expr.c (expand_expr_real_1): Likewise. + +2009-03-03 Jakub Jelinek <jakub@redhat.com> + + PR tree-optimization/39343 + * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if + COMPONENT_REF t has ARRAY_TYPE. + +2009-03-02 Sebastian Pop <sebastian.pop@amd.com> + + PR middle-end/39335 + * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert + when the type precision of the induction variable should be + larger than the type precision of nit. + (gen_parallel_loop): Update use of canonicalize_loop_ivs. + * graphite.c (graphite_loop_normal_form): Same. + * tree-flow.h (canonicalize_loop_ivs): Update declaration. + +2009-03-02 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/i386.md (ST?_REG, MM?_REG): New constants. + (*call_1_rex64_ms_sysv): Use named constants instead of magic + numbers to describe clobbered registers. + (*call_value_0_rex64_ms_sysv): Ditto. + * config/i386/mmx.md (mmx_emms): Ditto. + (mmx_femms): Ditto. + +2009-03-02 Richard Sandiford <rdsandiford@googlemail.com> + + * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling + of ABI_64. + +2009-03-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com> + + * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define. + (spu_section_type_flags): New function. + +2009-03-02 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy + reg_class_contents of FLOAT_REGS into a temporary. + +2009-03-02 Richard Guenther <rguenther@suse.de> + Ira Rosen <irar@il.ibm.com> + + PR tree-optimization/39318 + * tree-vect-transform.c (vectorizable_call): Transfer the EH region + information to the vectorized statement. + +2009-03-01 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i" + variable. Use defined names instead of magic constants for REX SSE + registers. + +2009-03-01 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/39331 + * omp-low.c (lower_send_shared_vars): Do not receive new + values for the reference of DECL_BY_REFERENCE parms or results. + +2009-03-01 Jan Hubicka <jh@suse.cz> + + PR debug/39267 + * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS, + BLOCK_NONLOCALIZED_VAR): New macros. + (tree_block): Add nonlocalized_vars. + * dwarf2out.c (gen_formal_parameter_die, gen_variable_die, + gen_decl_die): Add origin argument. Allow generation of die with + origin at hand only. + (gen_member_die, gen_type_die_with_usage, force_decl_die, + declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use + of gen_*. + (gen_block_die): Fix checking for unused blocks. + (process_scope_var): Break out from .... ; work with origins only. + (decls_for_scope) ... here; process nonlocalized list. + (dwarf2out_ignore_block): Look for nonlocalized vars. + * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized + vars. + (dump_scope_block): Dump them. + * tree-inline.c (remap_decls): Handle nonlocalized vars. + (remap_block): Likewise. + (can_be_nonlocal): New predicate. + (copy_bind_expr, copy_gimple_bind): Update use of remap_block. + +2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de> + + * configure: Regenerate. + +2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de> + + * optc-gen.awk: No need to duplicate option flags twice. + Reuse help texts for duplicate options which do not have any. + + * gcc.c (display_help): Document --version. + + * gcc.c (main): If print_help_list and verbose_flag, ensure + driver output comes before subprocess output. + + * optc-gen.awk: Assign all remaining fields to help string, + space-separated, for multi-line help in *.opt. + + * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only. + -Wno-pedantic-ms-format is for MinGW targets only. + + * doc/options.texi (Option file format): Fix bad indentation, + restoring dropped sentence. + +2009-02-28 Jan Hubicka <jh@suse.cz> + + * tree-inline.c (tree_function_versioning): Output debug info. + +2009-02-28 Jan Hubicka <jh@suse.cz> + + PR debug/39267 + * tree-inline.c (setup_one_parameter): Do not copy propagate + arguments when not optimizing. + +2009-02-28 H.J. Lu <hongjiu.lu@intel.com> + + PR target/39327 + * config/i386/sse.md (avx_addsubv8sf3): Correct item bits. + (avx_addsubv4df3): Likewise. + (*avx_addsubv4sf3): Likewise. + (sse3_addsubv4sf3): Likewise. + (*avx_addsubv2df3): Likewise. + (sse3_addsubv2df3): Likewise. + (avx_unpckhps256): Correct item selectors. + (avx_unpcklps256): Likewise. + (avx_unpckhpd256): Likewise. + (avx_unpcklpd256): Likewise. + +2009-02-28 Jan Hubicka <jh@suse.cz> + + * tree-inline.c (expand_call_inline): Avoid duplicate declarations of + static vars. + (copy_arguments_for_versioning): If var is declared don't declare it. + (tree_function_versioning): First setup substitutions and then copy + args. + +2009-02-27 Jan Hubicka <jh@suse.cz> + + PR debug/39267 + * cgraph.h (varpool_output_debug_info): Remove. + * cgraphunit.c (varpool_output_debug_info): Remove. + * dwarf2out.c (deferred_locations_struct): New struct + (deferred_locations): New type. + (deferred_locations_list): New static var. + (deffer_location): New function. + (gen_variable_die): Use it. + (decls_for_scope): Output info on local static vars. + (dwarf2out_finish): Process deferred locations. + * varpool.c (varpool_output_debug_info): Remove. + +2009-02-27 Jan Hubicka <jh@suse.cz> + + PR debug/39267 + * tree.h (TREE_PROTECTED): Fix comment. + (BLOCK_HANDLER_BLOCK): Remove. + (struct tree_block): Remove handler_block add body_block. + (inlined_function_outer_scope_p): New. + (is_body_block): Remove. + * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK. + * dwarf2out.c (is_inlined_entry_point): Remove. + (add_high_low_attributes): Use inlined_function_outer_scope_p. + (gen_block_die): Use is_inlined_entry_point check. Remove body block + code. + * langhooks.h (struct lang_hooks): Remove no_bodu_blocks. + * gimplify.c (gimplify_expr): Gimplify body blocks. + * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper + block with multiple subblocks. + (dump_scope_block): Prettier output; dump more flags and info. + (dump_scope_blocks): New. + (remove_unused_locals): Use dump_scope_blocks. + * tree-flow.h (dump_scope_blocks): Declare. + * tree-cfg.c (execute_build_cfg): Dump scope blocks. + * stmt.c (is_body_block): Remove. + * tree-inline.c (remap_block): Copy BODY_BLOCK info. + * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove. + +2009-02-27 Sebastian Pop <sebastian.pop@amd.com> + + PR middle-end/39308 + * graphite.c (graphite_loop_normal_form): Do not call + number_of_iterations_exit from a gcc_assert. + +2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com> + + * config/s390/s390.c (s390_swap_cmp): Look for conditional + jumps if COND is NULL. + (find_cond_jump): New function. + (s390_z10_optimize_cmp): Handling for reg-reg compares added. + * config/s390/s390.md: Remove z10_cobra attribute value. + +2009-02-26 Uros Bizjak <ubizjak@gmail.com> + + * config/alpha/alpha.h (alpha_expand_mov): Return false if + force_const_mem returns NULL_RTX. + +2009-02-26 Jan Hubicka <jh@suse.cz> + + PR debug/39267 + * cgraph.h (varpool_output_debug_info): Remove. + * cgraphunit.c (varpool_output_debug_info): Remove. + * dwarf2out.c (deferred_locations_struct): New struct + (deferred_locations): New type. + (deferred_locations_list): New static var. + (deffer_location): New function. + (gen_variable_die): Use it. + (decls_for_scope): Output info on local static vars. + (dwarf2out_finish): Process deferred locations. + * varpool.c (varpool_output_debug_info): Remove. + +2009-02-25 H.J. Lu <hongjiu.lu@intel.com> + + PR rtl-optimization/39241 + * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls + to subreg_offset_representable_p. + +2009-02-25 Paolo Bonzini <bonzini@gnu.org> + + * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass + execute function prototype. Get f and nregs from max_reg_num + and get_insns. Remove the first backward pass as it's dead, + guard the forward pass by flag_expensive_optimizations. + (rest_of_handle_regmove): Delete. + (pass_regmove): Replace it with regmove_optimize. + +2009-02-25 Martin Jambor <mjambor@suse.cz> + + PR tree-optimization/39259 + * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and + calls_alloca function flags. + (copy_bb): Set calls_setjmp and alls_alloca function flags if such + calls are detected. + +2009-02-25 Paolo Bonzini <bonzini@gnu.org> + + * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones, + flags_set_1_rtx, flags_set_1_set): Delete. + (regmove_optimize): Do not call mark_flags_life_zones. + +2009-02-24 Julian Brown <julian@codesourcery.com> + + PR target/35965 + * config/arm/arm.c (require_pic_register): Only set + cfun->machine->pic_reg once per function. + +2009-02-24 Sandra Loosemore <sandra@codesourcery.com> + + * doc/invoke.texi (Link Options): Document an easier way to pass + options that take arguments to the GNU linker using -Xlinker and -Wl. + +2009-02-24 Steve Ellcey <sje@cup.hp.com> + + PR target/33785 + * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description. + +2009-02-24 Richard Guenther <rguenther@suse.de> + + PR debug/39285 + * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs. + +2009-02-24 Richard Guenther <rguenther@suse.de> + Zdenek Dvorak <ook@ucw.cz> + + PR tree-optimization/39233 + * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers + from converting them to a generic type. + +2009-02-23 Sebastian Pop <sebastian.pop@amd.com> + + PR tree-optimization/39260 + * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block + contains a condition with a real type. + (build_scop_conditions_1): Conditions are always last_stmt of a bb. + +2009-02-23 Jason Merrill <jason@redhat.com> + + PR c++/38880 + * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check + narrowing_initializer_constant_valid_p. + (narrowing_initializer_constant_valid_p): Don't return + null_pointer_node for adding a pointer to itself. + +2009-02-23 Jan Hubicka <jh@suse.cz> + + PR c/12245 + * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when + resizing. + +2009-02-23 Jan Hubicka <jh@suse.cz> + + PR tree-optimization/37709 + * tree.c (block_ultimate_origin): Move here from dwarf2out. + * tree.h (block_ultimate_origin): Declare. + * dwarf2out.c (block_ultimate_origin): Move to tree.c + * tree-ssa-live.c (remove_unused_scope_block_p): + Eliminate blocks containig no instructions nor live variables nor + nested blocks. + (dump_scope_block): New function. + (remove_unused_locals): Enable removal of dead blocks by default; + enable dumping at TDF_DETAILS. + +2009-02-21 H.J. Lu <hongjiu.lu@intel.com> + + * config/i386/i386.c (classify_argument): Don't allow COImode + and OImode. + (function_arg_advance_32): Don't allow OImode. + (function_arg_32): Likewise. + (function_value_32): Likewise. + (return_in_memory_32): Likewise. + (function_arg_64): Remove OImode comment. + +2009-02-21 H.J. Lu <hongjiu.lu@intel.com> + + PR target/39261 + * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use + ix86_expand_vector_set for V4DImode in 64bit mode only. + (ix86_expand_vector_init_one_var): Likewise. + +2009-02-21 Sebastian Pop <sebastian.pop@amd.com> + + * graphite.c (graphite_trans_loop_block): Adjust tile size to 51. + +2009-02-21 Richard Sandiford <rdsandiford@googlemail.com> + + PR bootstrap/39257 + * loop-iv.c: Revert last change. + * emit-rtl.c: Likewise. + +2009-02-21 H.J. Lu <hongjiu.lu@intel.com> + + PR target/39256 + * config/i386/i386.c (type_natural_mode): Remove an extra + space in the warning message. + (function_value_32): Handle 32-byte vector modes. + (return_in_memory_32): Likewise. + +2009-02-21 Richard Sandiford <rdsandiford@googlemail.com> + + * loop-iv.c (truncate_value): New function. + (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead + of lowpart_subreg. + (lowpart_subreg): Move to... + * emit-rtl.c: ...here. + +2009-02-21 Danny Smith <dannysmith@users.sourceforge.net> + + * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert + accidental and undocumented change at revision 140860. + +2009-02-21 Joseph Myers <joseph@codesourcery.com> + + * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to + take gimple_seq * arguments. + (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to + types_compatible_p langhook. + +2009-02-20 Mark Mitchell <mark@codesourcery.com> + Joseph Myers <joseph@codesourcery.com> + + * config/arm/arm.c (arm_builtin_va_list): New function. + (arm_expand_builtin_va_start): Likewise. + (arm_gimplify_va_arg_expr): Likewise. + (TARGET_BUILD_BUILTIN_VA_LIST): Define. + (TARGET_BUILD_BUILTIN_VA_START): Likewise. + (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise. + (va_list_type): New variable. + (arm_mangle_type): Mangle va_list_type appropriately. + +2009-02-20 Jakub Jelinek <jakub@redhat.com> + + PR middle-end/39157 + * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H). + * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define. + * params.def (loop-invariant-max-bbs-in-loop): New parameter. + * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop + parameter to 1000 for -O1 by default. + * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new + parameter. + * loop-invariant.c: Include params.h. + (move_loop_invariants): Don't call move_single_loop_invariants on + very large loops. + +2009-02-20 Jaka Mocnik <jaka@xlab.si> + + * calls.c (emit_library_call_value_1): Use slot_offset instead of + offset when calculating bounds for indexing stack_usage_map. Fixes + a buffer overflow with certain target setups. + +2009-02-20 Jakub Jelinek <jakub@redhat.com> + + PR target/39240 + * calls.c (expand_call): Clear try_tail_call if caller and callee + disagree in promotion of function return value. + +2009-02-19 Jakub Jelinek <jakub@redhat.com> + + PR target/39175 + * c-common.c (c_determine_visibility): If visibility changed and + DECL_RTL has been already set, call make_decl_rtl to update symbol + flags. + +2009-02-19 H.J. Lu <hongjiu.lu@intel.com> + + PR c++/39188 + * varasm.c (assemble_variable): Don't check DECL_NAME when + globalizing a variable. + +2009-02-19 Joseph Myers <joseph@codesourcery.com> + + PR c/38483 + * builtins.c (gimplify_va_arg_expr): Evaluate the va_list + expression before any __builtin_trap call. + * c-typeck.c (build_function_call): Convert and check function + arguments before generating a call to a trap. Evaluate the + function arguments before the trap. + +2009-02-19 Uros Bizjak <ubizjak@gmail.com> + + PR target/39228 + * config/i386/i386.md (isinfxf2): Split from isinf<mode>2. + (UNSPEC_FXAM_MEM): New unspec. + (fxam<mode>2_i387_with_temp): New insn and split pattern. + (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through + memory using fxam<mode>2_i387_with_temp to remove excess precision. + +2009-02-19 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/39207 + PR tree-optimization/39074 + * tree-ssa-structalias.c (storedanything_id, var_storedanything, + storedanything_tree): New. + (do_ds_constraint): Simplify ANYTHING shortcutting. Update + the STOREDANYTHING solution if the lhs solution contains ANYTHING. + (build_succ_graph): Add edges from STOREDANYTHING to all + non-direct nodes. + (init_base_vars): Initialize STOREDANYTHING. + (compute_points_to_sets): Free substitution info after + building the succ graph. + (ipa_pta_execute): Likewise. + + * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers + field. + (do_ds_constraint): Do not add to special var or non-pointer + field solutions. + (type_could_have_pointers): Split out from ... + (could_have_pointers): ... here. For arrays use the element type. + (create_variable_info_for): Initialize may_have_pointers. + (new_var_info): Likewise. + (handle_lhs_call): Make the HEAP variable unknown-sized. + (intra_create_variable_infos): Use a type with pointers for + PARM_NOALIAS, make it unknown-sized. + +2009-02-18 H.J. Lu <hongjiu.lu@intel.com> + + PR target/39224 + * config/i386/i386.c (ix86_return_in_memory): Properly check ABI. + +2009-02-18 Jason Merrill <jason@redhat.com> + + PR target/39179 + * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero + value if DECL_EXTERNAL. + * tree-sra.c (sra_walk_gimple_assign): Likewise. + * target.h (gcc_target::binds_local_p): Clarify "module". + * tree.h (TREE_PUBLIC): Clarify "module". + +2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com> + + PR target/38891 + * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of + initialization for MS_ABI prior to the hunk of !TARGET_MMX. + +2009-02-17 H.J. Lu <hongjiu.lu@intel.com> + + PR target/39082 + * c.opt (Wabi): Support C and ObjC. + (Wpsabi): New. + + * c-opts.c (c_common_handle_option): Handle OPT_Wabi. + + * config/i386/i386.c (classify_argument): Warn once about the ABI + change when passing union with long double. + + * doc/invoke.texi: Update -Wabi for warning psABI changes. + +2009-02-18 Joseph Myers <joseph@codesourcery.com> + + PR c/35447 + * c-parser.c (c_parser_compound_statement): Always enter and leave + a scope. + +2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca> + + PR target/34587 + * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define. + +2009-02-18 Jakub Jelinek <jakub@redhat.com> + + PR tree-optimization/36922 + * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR. + * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1): + Likewise. + +2009-02-17 Richard Sandiford <rdsandiford@googlemail.com> + + * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm + to 0 for EABI64. + +2009-02-17 Richard Sandiford <rdsandiford@googlemail.com> + + * config/mips/mips.md (type): Reclassify lui_movf as "unknown". + +2009-02-17 Richard Sandiford <rdsandiford@googlemail.com> + + * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid + tree sharing. + +2009-02-17 Ruan Beihong <ruanbeihong@gmail.com> + Richard Sandiford <rdsandiford@googlemail.com> + + * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete. + * config/mips/loongson.md (reduc_uplus_<mode>): Rename to... + (loongson_biadd): ...this. + +2009-02-17 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/39202 + * tree-ssa-structalias.c (do_structure_copy): Before collapsing + a var make sure to follow existing collapses. + +2009-02-17 Richard Guenther <rguenther@suse.de> + + PR middle-end/39214 + * langhooks.c (lhd_print_error_function): Check for NULL block. + +2009-02-17 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/39204 + * tree-ssa-pre.c (phi_translate_1): Lookup the value-number + of the PHI arg. + +2009-02-17 Uros Bizjak <ubizjak@gmail.com> + + * config/soft-fp/double.h: Update from glibc CVS. + +2009-02-17 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/39207 + * tree-ssa-structalias.c (find_what_p_points_to): Do not emit + strict-aliasing warnings for pointers pointing to NULL. + +2009-02-16 Joseph Myers <joseph@codesourcery.com> + + PR c/35446 + * c-parser.c (c_parser_braced_init): Call pop_init_level when + skipping until next close brace. + +2009-02-16 H.J. Lu <hongjiu.lu@intel.com> + + PR target/37049 + * config/i386/i386.c (ix86_expand_push): Set memory alignment + to function argument boundary. + +2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com> + + * config/picochip/picochip.md (lea_add): Allow any nonimmediate + in the lea_add. Reload eventually constraints it properly. + * config/picochip/constraints.md: Remove the target constraint + "b", since it is not needed anymore. + +2009-02-16 Jakub Jelinek <jakub@redhat.com> + + * gthr-dce.h: Uglify function parameter and local variable names. + * gthr-gnat.h: Likewise. + * gthr-mipssde.h: Likewise. + * gthr-nks.h: Likewise. + * gthr-posix95.h: Likewise. + * gthr-posix.h: Likewise. + * gthr-rtems.h: Likewise. + * gthr-single.h: Likewise. + * gthr-solaris.h: Likewise. + * gthr-tpf.h: Likewise. + * gthr-vxworks.h: Likewise. + * gthr-win32.h: Likewise. + +2009-02-15 H.J. Lu <hongjiu.lu@intel.com> + + PR target/39196 + * config/i386/i386.md: Restrict the new peephole2 to move + between MMX/SSE registers. + +2009-02-15 Richard Guenther <rguenther@suse.de> + + Revert + 2009-02-13 Richard Guenther <rguenther@suse.de> + + * configure.ac: Enable LFS. + * configure: Re-generate. + * config.in: Likewise. + +2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com> + + * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw, + spu_srqwbyte, spu_srqwbytebc): Define. + * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw, + spu_srqwbyte, spu_srqwbytebc): New overloaded builtins. + * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>", + "shrqby_<mode>"): New insn-and-split patterns. + * config/spu/spu.c (expand_builtin_args): Determine and return + number of operands using spu_builtin_description data. + (spu_expand_builtin_1): Use it. + +2009-02-13 Steve Ellcey <sje@cup.hp.com> + + PR target/38056 + * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check + TARGET_CONST_GP. + +2009-02-13 H.J. Lu <hongjiu.lu@intel.com> + + PR target/39149 + * config/i386/i386.c (override_options): Correct warning + messages for -malign-loops, -malign-jumps and -malign-functions. + +2009-02-13 H.J. Lu <hongjiu.lu@intel.com> + + PR target/39152 + * config/i386/i386.md: Restrict the new peephole2 to move + between the general purpose registers. + +2009-02-13 H.J. Lu <hongjiu.lu@intel.com> + + PR target/39162 + * config/i386/i386.c (type_natural_mode): Add a new argument. + Return the original mode and warn ABI change if vector size is 32byte. + (function_arg_advance): Updated. + (function_arg): Likewise. + (ix86_function_value): Likewise. + (ix86_return_in_memory): Likewise. + (ix86_sol10_return_in_memory): Likewise. + (ix86_gimplify_va_arg): Likewise. + (function_arg_32): Don't warn ABX ABI change here. + (function_arg_64): Likewise. + +2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com> + + * loop-iv.c (implies_p): In the final case, test that operands 0 + of the two comparisons match. + + * config/bfin/bfin.c (find_prev_insn_start): New function. + (bfin_optimize_loop): Use it in some cases instead of PREV_INSN. + (find_next_insn_start): Move. + +2009-02-13 Richard Guenther <rguenther@suse.de> + + * configure.ac: Enable LFS. + * configure: Re-generate. + * config.in: Likewise. + +2009-02-13 Joseph Myers <joseph@codesourcery.com> + + PR c/35444 + * c-parser.c (c_parser_parms_list_declarator): Discard pending + sizes on syntax error after some arguments have been parsed. + +2009-02-12 Jakub Jelinek <jakub@redhat.com> + + * doc/invoke.texi (-fira): Remove. + +2009-02-12 H.J. Lu <hongjiu.lu@intel.com> + + * caller-save.c: Replace regclass.c with reginfo.c in comments. + * recog.c: Likewise. + * rtl.h: Likewise. + +2009-02-12 Uros Bizjak <ubizjak@gmail.com> + + * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2. + (umul_ppmm): Likewise. + (count_leading_zeros): Likewise. + (count_trailing_zeros): Likewise. + (UMUL_TIME): Likewise. + +2009-02-12 H.J. Lu <hongjiu.lu@intel.com> + + * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and + soft-fp/t-softfp to tmake_file. + + * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New. + (ia64_expand_compare): Use HPUX library for TFmode only for HPUX. + (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ, + IA64_BUILTIN_INFQ]: New. + (ia64_init_builtins): Initialize __builtin_infq, + __builtin_fabsq and __builtin_copysignq if not HPUX. + (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ, + IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ. + + * config/ia64/lib1funcs.asm (__divtf3): Define only if + SHARED is defined. + (__fixtfti): Likewise. + (__fixunstfti): Likewise. + (__floattitf): Likewise. + + * config/ia64/libgcc-glibc.ver: New. + * config/ia64/t-fprules-softfp: Likewise. + * config/ia64/sfp-machine.h: Likewise. + + * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New. + (LIBGCC2_TF_CEXT): Likewise. + (TF_SIZE): Likewise. + (TARGET_INIT_LIBFUNCS): Likewise. + + * config/ia64/t-glibc (SHLINB_MAPFILES): + Add $(srcdir)/config/ia64/libgcc-glibc.ver. + +2009-02-12 H.J. Lu <hongjiu.lu@intel.com> + + * config/i386/i386.c (construct_container): Rewrite processing + BLKmode with X86_64_SSE_CLASS. + +2009-02-12 Paolo Bonzini <bonzini@gnu.org> + + PR target/39152 + * config/i386/i386.md: Replace simplify_replace_rtx with + replace_rtx in the new peephole2. + +2009-02-12 Nathan Sidwell <nathan@codesourcery.com> + + * doc/invoke.texi (Optimize Options): Stop claiming inlining and + loop unrolling do not happen at -O2. + +2009-02-12 Michael Matz <matz@suse.de> + + * gcc.c (ASM_DEBUG_SPEC): Check for -g0. + +2009-02-12 Jakub Jelinek <jakub@redhat.com> + + * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die + for -g3. + +2009-02-12 Ben Elliston <bje@au.ibm.com> + + * config/rs6000/rs6000.md (allocate_stack): Use _stack form of + patterns when updating the back chain. Missed in the 2009-02-10 + change. + +2009-02-11 Janis Johnson <janis187@us.ibm.com> + + * doc/extend.texi (Decimal Floating Types): Update identifier of + draft TR and list of missing support. + +2009-02-11 Jakub Jelinek <jakub@redhat.com> + + PR middle-end/39154 + * gimplify.c (omp_notice_variable): If adding GOVD_SEEN + bit to variable length decl's flags, add it also to its + pointer replacement variable. + +2009-02-11 Uros Bizjak <ubizjak@gmail.com> + Jakub Jelinek <jakub@redhat.com> + + PR target/39118 + * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant. + (memory_blockage): New expander. + (*memory_blockage): New insn pattern. + * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage + instead of general blockage at the end of function prologue when + frame pointer is used to access red zone area. Do not emit blockage + when profiling, it is emitted in generic code. + (ix86_expand_epilogue): Emit memory_blockage at the beginning of + function epilogue when frame pointer is used to access red zone area. + +2009-02-11 Paolo Bonzini <bonzini@gnu.org> + + PR target/38824 + * config/i386/i386.md: Add two new peephole2 to avoid mov followed + by arithmetic with memory operands. + * config/i386/predicates.md (commutative_operator): New. + +2009-02-10 Janis Johnson <janis187@us.ibm.com> + + * doc/extend.texi (Fixed-Point Types): Break long paragraphs into + bulleted lists. + +2009-02-10 Eric Botcazou <ebotcazou@adacore.com> + + * alias.h (record_alias_subset): Declare. + * alias.c (record_alias_subset): Make global. + +2009-02-10 Nick Clifton <nickc@redhat.com> + + * tree-parloops.c: Change license to GPLv3. + * ipa-struct-reorg.c: Change license to GPLv3. + * ipa-struct-reorg.h: Change license to GPLv3. + +2009-02-10 Steve Ellcey <sje@cup.hp.com> + + PR c/39084 + * c-decl.c (start_struct): Return NULL on error. + +2009-02-10 Jakub Jelinek <jakub@redhat.com> + + PR middle-end/39124 + * cfgloopmanip.c (remove_path): Call remove_bbs after + cancel_loop_tree, not before it. + + PR target/39139 + * function.h (struct function): Add has_local_explicit_reg_vars bit. + * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER + VAR_DECLs were seen. + * tree-ssa-live.c (remove_unused_locals): Recompute + cfun->has_local_explicit_reg_vars. + * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode + copies or clearings if cfun->has_local_explicit_reg_vars. + +2009-02-10 Uros Bizjak <ubizjak@gmail.com> + + PR target/39118 + * config/i386/i386.c (expand_prologue): Emit blockage at the end + of function prologue when frame pointer is used to access + red zone area. + +2009-02-10 Richard Guenther <rguenther@suse.de> + + PR middle-end/39127 + * gimplify.c (gimple_regimplify_operands): Always look if + we need to create a temporary. + +2009-02-10 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/39132 + * tree-loop-distribution.c (todo): New global var. + (generate_memset_zero): Trigger TODO_rebuild_alias. + (tree_loop_distribution): Return todo. + +2009-02-10 H.J. Lu <hongjiu.lu@intel.com> + + PR target/39119 + * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS. + (x86_64_reg_class_name): Removed. + (classify_argument): Return 0 if bytes > 32. Return 0 if the + first one isn't X86_64_SSE_CLASS or any other ones aren't + X86_64_SSEUP_CLASS when size > 16bytes. Don't turn + X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one + is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS + and 3 X86_64_SSEUP_CLASS. + (construct_container): Remove X86_64_AVX_CLASS. Handle 4 + registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS. + +2009-02-10 Ben Elliston <bje@au.ibm.com> + + * config/rs6000/rs6000.md (allocate_stack): Always use an update + form instruction to update the stack back chain word, even if the + user has disabled the generation of update instructions. + (movdi_<mode>_update_stack): New. + (movsi_update_stack): Likewise. + * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise, + always use an update form instruction to update the stack back + chain word. + +2009-02-09 Sebastian Pop <sebastian.pop@amd.com> + + PR middle-end/38953 + * graphite.c (if_region_set_false_region): After moving a region in + the false branch of a condition, remove the empty dummy basic block. + (gloog): Remove wrong fix for PR38953. + +2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com> + + * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code + generation due to implicit sign extension. + +2009-02-09 Eric Botcazou <ebotcazou@adacore.com> + + PR middle-end/38981 + * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs + at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST. + +2009-02-09 Richard Guenther <rguenther@suse.de> + + PR middle-end/35202 + * convert.c (convert_to_real): Disable (float)fn((double)x) + to fnf(x) conversion if errno differences may occur and + -fmath-errno is set. + +2009-02-07 Anatoly Sokolov <aesok@post.ru> + + * config/avr/avr.c (avr_mcu_t): Add ata6289 device. + * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.). + * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.). + +2009-02-06 Joseph Myers <joseph@codesourcery.com> + + PR c/35434 + * c-common.c (handle_alias_attribute): Disallow attribute for + anything not a FUNCTION_DECL or VAR_DECL. + +2009-02-06 Janis Johnson <janis187@us.ibm.com> + + PR c/39035 + * real.c (do_compare): Special-case compare of zero against + decimal float value. + +2009-02-06 Joseph Myers <joseph@codesourcery.com> + + PR c/36432 + * c-decl.c (grokdeclarator): Don't treat [] declarators in fields + as indicating flexible array members unless the field itself is + being declarared as the incomplete array. + +2009-02-06 Jan Hubicka <jh@suse.cz> + + PR tree-optimization/38844 + * ipa-inline.c (try_inline): Stop inlining recursion when edge + is already inlined. + +2009-02-06 Richard Guenther <rguenther@suse.de> + + PR middle-end/38977 + * tree-cfg.c (need_fake_edge_p): Force a fake edge for + fork because we may expand it as __gcov_fork. + +2009-02-06 Nick Clifton <nickc@redhat.com> + + * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero. + +2009-02-06 Paolo Bonzini <bonzini@gnu.org> + + PR tree-optimization/35659 + * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq + vn_phi_eq): Shortcut if hashcode does not match. + (vn_reference_op_compute_hash): Do not call iterative_hash_expr for + NULL operands. + * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available, + and avoid iterative_hash_expr. + (FOR_EACH_VALUE_ID_IN_SET): New. + (value_id_compare): Remove. + (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to + sort expressions by value id. + +2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org> + + PR target/38991 + * config/sh/predicates.md (general_movsrc_operand): Don't check + the subreg of system registers here. + +2009-02-05 Jakub Jelinek <jakub@redhat.com> + + PR c++/39106 + * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P + on the copied decl. + +2009-02-05 Paolo Bonzini <bonzini@gnu.org> + + PR rtl-optimization/39110 + * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned + addresses, not aligned ones. + +2009-02-05 Daniel Berlin <dberlin@dberlin.org> + Richard Guenther <rguenther@suse.de> + + PR tree-optimization/39100 + * tree-ssa-structalias.c (do_ds_constraint): Actually do what the + comment says and add edges. + +2009-02-05 Joseph Myers <joseph@codesourcery.com> + + PR c/35435 + * c-common.c (handle_tls_model_attribute): Ignore attribute for + non-VAR_DECLs without checking DECL_THREAD_LOCAL_P. + +2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de> + + * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use, + sese_build_livein_liveouts_bb, sese_build_livein_liveouts, + register_bb_in_sese, new_sese, free_sese): Moved. + (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains, + outermost_loop_in_scop, build_scop_iteration_domain, + expand_scalar_variables_ssa_name, get_vdef_before_scop, + limit_scops): Use bb_in_sese_p instead of bb_in_scop_p. + Use loop_in_sese_p instead of loop_in_scop_p. + (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B. + (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B. + (scopdet_basic_block_info): Fix bug in scop detection. + (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop, + eq_loop_to_cloog_loop): Remove. + (nb_loops_around_loop_in_scop, nb_loop + ref_nb_loops): Moved here... + * graphite.h (ref_nb_loops): ... from here. + (struct scop): Remove bbs_b bitmap and loop2cloog_loop. + (loop_domain_dim, loop_iteration_vector_dim): Remove. + (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed. + +2009-02-04 Paolo Bonzini <bonzini@gnu.org> + Hans-Peter Nilsson <hp@axis.com> + + PR rtl-optimization/37889 + * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments. + Move offset handling from PLUS to before the switch. Use new + arguments when considering SYMBOL_REFs too. + (rtx_addr_can_trap_p): Pass dummy offset and size. + (enum may_trap_p_flags): Remove. + (may_trap_p_1): Pass size from MEM_SIZE. + + PR rtl-optimization/38921 + * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p. + * rtl.h (may_trap_after_code_motion_p): Delete prototype. + * rtlanal.c (may_trap_after_code_motion_p): Delete. + (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags. + +2009-02-04 H.J. Lu <hongjiu.lu@intel.com> + + AVX Programming Reference (January, 2009) + * config/i386/sse.md (*vpclmulqdq): New. + +2009-02-04 Jakub Jelinek <jakub@redhat.com> + + PR tree-optimization/38977 + PR gcov-profile/38292 + * calls.c (special_function_p): Disregard __builtin_ prefix. + +2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com> + + * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow + non-indexable addresses even before reload. + +2009-02-03 Joseph Myers <joseph@codesourcery.com> + + PR c/29129 + * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators + as having variable size. Do not give an error for unnamed + parameters with [*] declarators. Give a warning for type names + with [*] declarators and mark them as variable size. + * c-parser.c (c_parser_sizeof_expression): Do not give an error + for sizeof applied to [*] type names. + +2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com> + + PR C++/36607 + * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE. + +2009-02-03 Jakub Jelinek <jakub@redhat.com> + + * gcc.c (process_command): Update copyright notice dates. + * gcov.c (print_version): Likewise. + * gcov-dump.c (print_version): Likewise. + * mips-tfile.c (main): Likewise. + * mips-tdump.c (main): Likewise. + +2009-02-03 Joseph Myers <joseph@codesourcery.com> + + PR c/35433 + * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT + for composite type involving a zero-length array type. + +2009-02-03 Jakub Jelinek <jakub@redhat.com> + + PR target/35318 + * function.c (match_asm_constraints_1): Skip over + initial optional % in the constraint. + + PR inline-asm/39059 + * c-parser.c (c_parser_postfix_expression): If fixed point is not + supported, don't accept FIXED_CSTs. + * c-decl.c (finish_declspecs): Error if fixed point is not supported + and _Sat is used without _Fract/_Accum. Set specs->type to + integer_type_node for cts_fract/cts_accum if fixed point is not + supported. + +2009-02-02 Catherine Moore <clm@codesourcery.com> + + * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls. + +2009-02-02 Richard Sandiford <rdsandiford@googlemail.com> + + * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro. + (ABI_HAS_64BIT_SYMBOLS): Use it. + (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS. + +2009-02-02 Paul Brook <paul@codesourcery.com> + + * config/arm/arm.md (arm_addsi3): Add r/r/k alternative. + +2009-02-02 Jakub Jelinek <jakub@redhat.com> + + PR inline-asm/39058 + * recog.h (asm_operand_ok): Add constraints argument. + * recog.c (asm_operand_ok): Likewise. If it is set, for digits + recurse on matching constraint. + (check_asm_operands): Pass constraints as 3rd argument to + asm_operand_ok. Don't look up matching constraint here. + * stmt.c (expand_asm_operands): Pass NULL as 3rd argument + to asm_operand_ok. + +2009-02-02 Ben Elliston <bje@au.ibm.com> + + * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and + TARGET_NARROW_VOLATILE_BITFIELD macro names. + +2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca> + + * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker + information. Remove some obsolete information. Reorganize. + + * config/pa/fptr.c: Revert license to GPL 2. + * config/pa/milli64.S: Likewise. + +2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com> + + PR target/38904 + * mkmap-flat.awk (END): Use pe_dll command-line arg to pass + LIBRARY name in, instead of hard-coding it. + * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an + extra target make frag to tmake_files according to EH model. + (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise. + * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target + frags that define makefile variable EH_MODEL appropriately. + * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment. + * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or + to "-sjlj" according to type of EH configured. + (LIBGCC_SONAME): Concatenate it to shared library base name. + * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or + to "_sjlj" according to type of EH configured. + (LIBGCC_SONAME): Concatenate it to shared library base name. + * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL. + (SHLIB_LINK): Add missing semicolon to if-else construct. + (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as + string value of "pe_dll" command-line option. + * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper. + (SHLIB_SONAME): Use it when overriding t-cygming default. + (SHLIB_IMPLIB): Override t-cygming default. + (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as + string value of "pe_dll" command-line option. + +2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com> + + PR target/38952 + * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New. + (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it. + +2009-01-31 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/38937 + * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut + computing the transitive closure. + +2009-01-30 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/39041 + * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): + Propagate variable indices only if the types match for this stmt. + +2009-01-30 Jakub Jelinek <jakub@redhat.com> + + PR target/39013 + * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared + inline but never defined. + +2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com> + + * config/s390/s390.md (*insv<mode>_reg_extimm): Removed. + (*insv_h_di_reg_extimm): New insn. + (*insv_l<mode>_reg_extimm): New insn. + +2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com> + + * config/picochip/picochip.c (flag_conserve_stack): set + PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under + fconserve-stack. Reduce call-overhead used by inliner. + +2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com> + + PR/38157 + * common.opt (flag_conserve_stack): Initialised to zero. + +2009-01-30 Kai Tietz <kai.tietz@onevision.com> + + PR/39002 + * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs. + (ix86_expand_epilogue): Take nsseregs in account to use proper restore + method. + +2009-01-29 H.J. Lu <hongjiu.lu@intel.com> + + * ira-color.c (allocno_reload_assign): Update comments. + * regmove.c (regmove_optimize): Likewise. + + * ra.h: Removed. + +2009-01-29 Robert Millan <rmh@aybabtu.com> + + * config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu). + * config/i386/kopensolaris-gnu.h: New file. Undefine + `MD_UNWIND_SUPPORT'. + * config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h). + +2009-01-29 Kazu Hirata <kazu@codesourcery.com> + + PR tree-optimization/39007 + * tree-loop-distribution.c (generate_builtin): Use + recompute_dominator to compute the immediate dominator of the + basic block just after the loop. + +2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> + + * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA] + (ASM_OUTPUT_DWARF_PCREL): Define. + +2009-01-29 Vladimir Makarov <vmakarov@redhat.com> + + * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description. + * doc/passes.texi: Remove entries about regclass, local-alloc, and + global. Modify entries about regmove and IRA. + + * ra-conflict.c: Remove the file. + + * reload.c (push_reload, find_dummy_reload): Remove flag_ira. + + * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove. + (pass_regclass_init): Rename to pass_reginfo_init. + + * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira. + + * toplev.h (flag_ira): Remove. + + * caller-save.c (setup_save_areas): Remove flag_ira. + + * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto. + + * global.c: Remove the file. + + * opts.c (decode_options): Remove flag_ira. + + * hard-reg-set.h (losing_caller_save_reg_set): Remove. + + * regmove.c: Modify file description. + (find_use_as_address, try_auto_increment): Define them only if + AUTO_INC_DEC is defined. + (replacement_quality, replace_in_call_usage, fixup_match_1, + stable_and_no_regs_but_for_p): Remove. + (reg_set_in_bb): Make it static. + (regmove_optimize): Remove flag_ira and code which worked for + !flag_ira. + + * local-alloc.c: Remove the file. + + * common.opt (fira): Remove. + + * ira.c: Include except.h. + (eliminable_regset): Move from global.c. + (mark_elimination): Ditto. Remove flag_ira. + (reg_renumber, struct equivalence, reg_equiv, equiv_mem, + equiv_mem_modified, validate_equiv_mem_from_store, + validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p, + contains_replace_regs, memref_referenced_p, memref_used_between_p, + no_equiv, recorded_label_ref): Move from local-alloc.c. + (update_equiv_regs): Ditto. Make it static. + (print_insn_chain, print_insn_chains): Move it from global.c. + (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira. + (build_insn_chain): Ditto. Make it static. + (ra_init_live_subregs): Move from ra-conflict.c. Make it static. + Rename to init_live_subregs. + (gate_ira): Remove flag_ira. + + * regclass.c: Rename reginfo.c. Change file description. + (FORBIDDEN_INC_DEC_CLASSES): Remove. + (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove. + (init_reg_sets_1): Remove code for evaluation of + reg_class_superclasses and losing_caller_save_reg_set. + (init_regs): Remove init_reg_autoinc. + (struct costs, costs, init_cost, ok_for_index_p_nonstrict, + ok_for_base_p_nonstrict): Remove. + (regclass_init): Rename to reginfo_init. Don't initialize init_cost. + (pass_regclass_init): Rename to pass_reginfo_init. Modify + corresponding entries. + (dump_regclass, record_operand_costs, scan_one_insn, + init_reg_autoinc, regclass, record_reg_classes, copy_cost, + record_address_regs, auto_inc_dec_reg_p): Remove. + (gt-regclass.h): Rename to gt-reginfo.h. + + * rtl.h (dump_global_regs, retry_global_alloc, + build_insn_chain, dump_local_alloc, update_equiv_regs): Remove. + + * Makefile.in (RA_H): Remove. + (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o. + Rename regclass.o to reginfo.o. + (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to + gt-reginfo.h. + (global.o, local-alloc.o, ra-conflict.o): Remove entries. + (GTFILES): Rename regclass.c to reginfo.c. + + * passes.c (init_optimization_passes): Remove pass_local_alloc and + pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init. + + * reload1.c (compute_use_by_pseudos, reload, count_pseudo, + count_spilled_pseudo, find_reg, alter_reg, delete_output_reload): + Remove flag_ira. + (finish_spills): Ditto. Remove code for !flag_ira. + +2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com> + + PR middle-end/35854 + * doc/invoke.texi (rtl debug options): Complete rewrite. + * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec" + to auto_inc_dec". + * mode-switching.c (pass_mode_switching): Rename pass from + "mode-sw" to "mode_sw". + * except.c (pass_convert_to_eh_ranges): Rename pass from + "eh-ranges" to "eh_ranges". + * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg" + to "subreg1". + + +2009-01-29 Andrey Belevantsev <abel@ispras.ru> + Alexander Monakov <amonakov@ispras.ru> + + PR middle-end/38857 + * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard + register. + (move_exprs_to_boundary): Change return type and pass through + should_move from move_op. Relax assert. Update usage ... + (schedule_expr_on_boundary): ... here. Use should_move instead of + cant_move. + (move_op_orig_expr_found): Indicate that insn was disconnected from + stream. + (code_motion_process_successors): Do not call after_merge_succs + callback if original expression was not found when traversing any of + the branches. + (code_motion_path_driver): Change return type. Update prototype. + (move_op): Update comment. Add a new parameter (should_move). Update + prototype. Set *should_move based on indication provided by + move_op_orig_expr_found. + +2009-01-28 Pat Haugen <pthaugen@us.ibm.com> + + * doc/invoke.texi (avoid-indexed-addresses): Document new option. + * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare. + * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option. + * config/rs6000/rs6000.c (rs6000_override_options): Default + avoid-indexed-addresses on for Power6, off for everything else. + (avoiding_indexed_address_p): New function. + (rs6000_legitimize_address): Use it. + (rs6000_legitimate_address): Likewise. + * config/rs6000/rs6000.md (movXX_updateX): Likewise + +2009-01-28 Kazu Hirata <kazu@codesourcery.com> + + PR tree-optimization/38997 + * tree-loop-distribution.c (generate_memset_zero): Use + POINTER_PLUS_EXPR for a pointer addition. + +2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com> + + * config/s390/s390.md (bswap<mode>2): New pattern added. + +2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com> + + * config/s390/s390.md (*tls_load_31): Added type attribute. + +2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com> + + * config/s390/s390.md: Fix a few comments. + +2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com> + + * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute. + (*tm<mode>_full): Fixed z10prop attribute. + (*tst<mode>_extimm): Fixed z10prop attribute. + (*tst<mode>_cconly_extimm): Fixed z10prop attribute. + (*tstqiCCT_cconly): Fixed z10prop attribute. + (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute. + (*movsi_larl): Fixed z10prop attribute. + (*movsi_zarch): Fixed z10prop attribute. + (*movsi_eas): Fixed z10prop attribute. + (*movhi): Fixed z10prop attribute. + (*movqi): Fixed z10prop attribute. + (*movstrictqi): Fixed z10prop attribute. + (*mov<mode>): Fixed z10prop attribute. + (*movcc): Fixed z10prop attribute. + (*sethighpartdi_64): Fixed z10prop attribute. + (*zero_extendhi<mode>2_z10): Fixed z10prop attribute. + (*negdi2_sign_cc): Fixed z10prop attribute. + (*negdi2_sign): Fixed z10prop attribute. + (*absdi2_sign_cc): Fixed z10prop attribute. + (*absdi2_sign): Fixed z10prop attribute. + (*negabsdi2_sign_cc): Fixed z10prop attribute. + (*negabsdi2_sign): Fixed z10prop attribute. + (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute. + (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute. + (doloop_si64): Fixed z10prop attribute. + (doloop_si31): Fixed z10prop attribute. + (doloop_long): Fixed z10prop attribute. + (indirect_jump): Fixed z10prop attribute. + (nop): Fixed z10prop attribute. + (main_base_64): Fixed z10prop attribute. + (reload_base_64): Fixed z10prop attribute. + +2009-01-28 Jakub Jelinek <jakub@redhat.com> + + PR rtl-optimization/38740 + * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling + if !optimize. + * config/mips/mips.c (mips_reorg): Likewise. + +2009-01-28 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/38926 + * tree-ssa-pre.c (add_to_value): Assert we add only expressions + with the correct value id to a value. + (do_regular_insertion): Use the value number of edoubleprime + for the value number of the expr. + + Revert + 2008-08-21 Richard Guenther <rguenther@suse.de> + + * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting + a PHI ask VN if it is already available. + * tree-ssa-sccvn.h (vn_phi_lookup): Declare. + * tree-ssa-sccvn.c (vn_phi_lookup): Export. + +2009-01-28 Jakub Jelinek <jakub@redhat.com> + + PR middle-end/38934 + * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR + set to varying whenever max has TREE_OVERFLOW set, similarly + for GE_EXPR and GT_EXPR and TREE_OVERFLOW min. + +2009-01-28 Richard Guenther <rguenther@suse.de> + + PR middle-end/38908 + * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly + uninitialized aggregate uses in call arguments. + +2009-01-28 Paolo Bonzini <bonzini@gnu.org> + + PR tree-optimization/38984 + * tree-ssa-structalias.c (get_constraints_for_1): Do not use + the nothing_id variable if -fno-delete-null-pointer-checks. + +2009-01-28 Uros Bizjak <ubizjak@gmail.com> + + PR target/38988 + * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref. + (set_got_offset_rex64): Ditto. + +2009-01-27 H.J. Lu <hongjiu.lu@intel.com> + + PR target/38941 + * doc/extend.texi: Improve local variable with asm reg. + +2009-01-27 Adam Nemet <anemet@caviumnetworks.com> + + * c.opt (Wpacked-bitfield-compat): Change init value to -1. + * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat + was not supplied then set warn_packed_bitfield_compat to the + default value of 1. + * stor-layout.c (place_field): Check warn_packed_bitfield_compat + against 1. + +2009-01-27 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/38503 + * cfgexpand.c (expand_gimple_basic_block): Ignore + GIMPLE_CHANGE_DYNAMIC_TYPE during expansion. + * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune + variables that cannot have TBAA applied. + (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE + statements. + +2009-01-27 Uros Bizjak <ubizjak@gmail.com> + + PR middle-end/38969 + * calls.c (initialize_argument_information): Do not wrap complex + arguments in SAVE_EXPR. + +2009-01-26 Andreas Tobler <a.tobler@schweiz.org> + + * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo. + (INSTALL_LIBGCC): Revert typo commit. + +2009-01-26 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/38745 + * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL + from special handling. + +2009-01-26 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/38745 + * tree-ssa.c (execute_update_addresses_taken): Do not include + variables that cannot possibly be a register in not_reg_needs. + Do not clear TREE_ADDRESSABLE on vars that may not become + registers. + * tree-ssa.c (update_alias_info_1): Include those in the set + of addressable vars. + +2009-01-26 Richard Guenther <rguenther@suse.de> + + PR middle-end/38851 + * Makefile.in (tree-ssa-dse.o): Add langhooks.h. + * tree-ssa-dse.c: Include langhooks.h + (execute_simple_dse): Remove stores with zero size. + +2009-01-24 Jakub Jelinek <jakub@redhat.com> + + PR c/38957 + * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way + as PLUS_EXPR. + +2009-01-24 Julian Brown <julian@codesourcery.com> + + * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add + config/arm/linux-atomic.c. + * config/arm/linux-atomic.c: New. + +2009-01-24 Eric Botcazou <ebotcazou@adacore.com> + + * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete. + * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise. + * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise. + +2009-01-24 H.J. Lu <hongjiu.lu@intel.com> + + PR c/38938 + * c-opts.c (c_common_handle_option): Update warn_pointer_sign + properly. + +2009-01-24 Sebastian Pop <sebastian.pop@amd.com> + + PR tree-optimization/38953 + * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa. + (scop_adjust_phis_for_liveouts): Initialize false_i to zero. + (gloog): Split the exit of the scop when the scop exit is a loop exit. + (graphite_transform_loops): Only call cleanup_tree_cfg if gloog + changed the CFG. + +2009-01-24 Paul Brook <paul@codesourcery.com> + + * config/arm/neon.md (neon_type): Move to arm.md. + (neon_mov<VSTRUCT>): Add neon_type attribute. + * config/arm/arm.md (neon_type): Move to here. + (conds): Add "unconditioal" and use as default for NEON insns. + +2009-01-24 Ben Elliston <bje@au.ibm.com> + + * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from + void *' warning from -Wc++-compat. + * Makefile.in (dominance.o-warn): Remove. + +2009-01-23 Paolo Bonzini <bonzini@gnu.org> + + PR tree-optimization/38932 + * fold-const.c (fold_unary_ignore_overflow): New. + * tree.h (fold_unary_ignore_overflow): Declare. + * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow. + * tree-ssa-sccvn.c (visit_reference_op_load, + simplify_unary_expression): Likewise. + +2009-01-22 Adam Nemet <anemet@caviumnetworks.com> + + * c-decl.c (finish_struct): Move code to set DECL_PACKED after + DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields + regardless of their type. + * c-common.c (handle_packed_attribute): Don't ignore packed on + bitfields. + * c.opt (Wpacked-bitfield-compat): New warning option. + * stor-layout.c (place_field): Warn if offset of a field changed. + * doc/extend.texi (packed): Mention the ABI change. + * doc/invoke.texi (-Wpacked-bitfield-compat): Document. + (Warning Options): Add it to the list. + +2009-01-22 H.J. Lu <hongjiu.lu@intel.com> + + * c-opts.c (c_common_post_options): Fix a typo in comments. + +2009-01-22 Steve Ellcey <sje@cup.hp.com> + + PR middle-end/38615 + * gimplify.c (gimplify_init_constructor): Fix promotion of const + variables to static. + * doc/invoke.texi (-fmerge-all-constants): Update description. + +2009-01-22 Uros Bizjak <ubizjak@gmail.com> + + PR target/38931 + * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2. + (*movdi_1_rex64): Use type "mmx" for alternative 5. + +2009-01-22 Richard Earnshaw <rearnsha@arm.com> + + * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to + a word boundary. + (LOCAL_ALIGNMENT): Similarly. + +2009-01-22 Mark Shinwell <shinwell@codesourcery.com> + Joseph Myers <joseph@codesourcery.com> + + * config/arm/arm.c (all_architectures): Add iWMMXt2 entry. + * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2. + * config/arm/arm-tune.md: Regenerate. + * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and + -march=iwmmxt2. + +2009-01-22 Mark Shinwell <shinwell@codesourcery.com> + + * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI + version number to five. + +2009-01-22 Dodji Seketeli <dodji@redhat.com> + + PR c++/38930 + * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes. + * c-common.c (set_underlying_type): Likewise. + (is_typedef_decl ): Likewise + * tree.h: Likewise + (set_underlying_type): Likewise. + (is_typedef_type): Likewise. + +2009-01-21 Vladimir Makarov <vmakarov@redhat.com> + + PR middle-end/38587 + * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos + crossing setjmps. + +2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com> + + PR bootstrap/37660 + * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro. + (LIBGCC_SPEC): Don't define. + (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC. + +2009-01-21 Uros Bizjak <ubizjak@gmail.com> + + PR rtl-optimization/38879 + * alias.c (base_alias_check): Unaligned access via AND address can + alias all surrounding object types except those with sizes equal + or wider than the size of unaligned access. + +2009-01-21 Dodji Seketeli <dodji@redhat.com> + + PR c++/26693 + * c-decl.c (clone_underlying_type): Move this ... + * c-common.c (set_underlying_type): ... here. + Also, make sure the function properly sets TYPE_STUB_DECL() on + the newly created typedef variant type. + (is_typedef_decl ): New entry point. + * tree.h: Added a new member member_types_needing_access_check to + struct tree_decl_non_common. + (set_underlying_type): New entry point. + (is_typedef_type): Likewise. + +2009-01-21 Bingfeng Mei <bmei@broadcom.com> + + * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p): + Check whether two instructions have memory references that + belong to conflicting alias sets. walk_mems_1 and walk_mems_2 + are helper functions for traversing. + * alias.h (insn_alias_sets_confilict_p): New prototypes. + * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p + not to draw dependency edge for instructions with non-conflicting + alias sets. + +2009-01-20 Joseph Myers <joseph@codesourcery.com> + + PR other/38758 + * longlong.h: Update copyright years. Use soft-fp license notice. + Sync __clz_tab declaration with glibc. + +2009-01-20 Steve Ellcey <sje@cup.hp.com> + + PR target/30687 + * doc/extend.texi (syscall_linkage): New. + (version_id): Modify. + +2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com> + Richard Guenther <rguenther@suse.de> + + PR tree-optimization/38747 + PR tree-optimization/38748 + * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE + conversion if the base address is an indirect reference and the + aliasing sets could cause issues. + +2009-01-20 Sebastian Pop <sebastian.pop@amd.com> + + * common.opt (fgraphite, fgraphite-identity): Add comment for + explaining why these options are not documented. + +2009-01-20 Sebastian Pop <sebastian.pop@amd.com> + + * graphite.c (stmt_simple_for_scop_p): Also handle cases when + gimple_call_lhs is NULL. + +2009-01-20 Paolo Bonzini <bonzini@gnu.org> + + PR target/38868 + * emit-rtl.c (adjust_address_1): Make sure memref is never + overwritten. + +2009-01-20 Ben Elliston <bje@au.ibm.com> + + * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove + const qualifier from arg parameter. Remove unnecessary cast to char *. + * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove + const qualifier from arg 2. + +2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk> + + * config/darwin.h: Add static-libgfortran to LINK_SPEC. + +2009-01-19 Vladimir Makarov <vmakarov@redhat.com> + + PR c/38869 + * rtl.h (reinit_regs): New prototype. + * regclass.c: Include ira.h. + (reinit_regs): New. + * Makefile.in (regclass.o): Add ira.h. + * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs. + +2009-01-18 H.J. Lu <hongjiu.lu@intel.com> + + PR target/38736 + * c-common.c (handle_aligned_attribute): Use + ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for + default alignment value. + + * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__. + + * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New. + * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise. + + * doc/extend.texi: Update __attribute__ ((aligned)). Document + __BIGGEST_ALIGNMENT__. + + * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE. + +2009-01-18 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/38819 + * tree-flow.h (operation_could_trap_helper_p): Declare. + * tree-eh.c (operation_could_trap_helper_p): Export. + * tree-ssa-sccvn.h (vn_nary_may_trap): Declare. + * tree-ssa-sccvn.c (vn_nary_may_trap): New function. + * tree-ssa-pre.c (insert_into_preds_of_block): Check if we + are about to insert a possibly trapping instruction and fail + in this case. + +2009-01-18 Andreas Schwab <schwab@suse.de> + + * doc/install.texi (Configuration): Remove obsolete paragraph + about use of --with-gnu-ld with --with-gnu-as. + +2009-01-18 Kazu Hirata <kazu@codesourcery.com> + + * doc/extend.texi, doc/gimple.texi, doc/invoke.texi, + doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos. + Follow spelling conventions. + +2009-01-18 Ben Elliston <bje@au.ibm.com> + + * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate + C++ warning about implicit conversion from void * to struct + bitmap_head_def *. + (bitmap_obstack_free): Likewise for bitmap_element *. + * Makefile.in (bitmap.o-warn): Remove. + +2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com> + + * Makefile.in (BACKENDLIBS): Reorder to match dependencies. + +2009-01-17 Sebastian Pop <sebastian.pop@amd.com> + Tobias Grosser <tobi.grosser@amd.com> + + * graphite.c (graphite_trans_scop_block): Do not block single + nested loops. + +2009-01-16 Alexandre Oliva <aoliva@redhat.com> + + * ebitmap.h (ebitmap_iter_init): Initialize all fields. + * ipa-struct-reorg.c (gen_struct_type): Replace known-true + test with assertion. + +2009-01-16 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/38835 + PR middle-end/36227 + * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT) + and INT + PTR -> (INT)(PTR p+ INT) folding. + * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR. + +2009-01-16 Adam Nemet <anemet@caviumnetworks.com> + + PR target/38554 + * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift + the subreg from a lowpart subreg if it is also casting the value. + +2009-01-16 Sebastian Pop <sebastian.pop@amd.com> + Tobias Grosser <tobi.grosser@amd.com> + + * graphite.c (compare_prefix_loops): New. + (build_scop_canonical_schedules): Rewritten. + (graphite_transform_loops): Move build_scop_canonical_schedules + after build_scop_iteration_domain. + +2009-01-16 Sebastian Pop <sebastian.pop@amd.com> + Tobias Grosser <tobi.grosser@amd.com> + + * graphite.c (add_conditions_to_domain): Add the loops to + the dimension of the iteration domain. Do copy the domain + only when it exists. + (build_scop_conditions_1): Do not call add_conditions_to_domain. + (add_conditions_to_constraints): New. + (can_generate_code_stmt, can_generate_code): Removed. + (gloog): Do not call can_generate_code. + (graphite_transform_loops): Call add_conditions_to_constraints + after building the iteration domain. + +2009-01-16 Jakub Jelinek <jakub@redhat.com> + + PR tree-optimization/38789 + * tree-ssa-threadedge.c + (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to + __builtin_constant_p. + +2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com> + + * dce.c (delete_unmarked_insns): Reversed the order that insns are + examined before deleting them. + +2009-01-16 Richard Earnshaw <rearnsha@arm.com> + + * function.c (aggregate_value_p): Correctly extract the function + type from CALL_EXPR_FN lookup. + +2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com> + + * config/picochip/picochip.c (picochip_override_options): Revert + CFI asm flag disable commited previously. + +2009-01-15 Sebastian Pop <sebastian.pop@amd.com> + Tobias Grosser <tobi.grosser@amd.com> + Jan Sjodin <jan.sjodin@amd.com> + + * graphite.c (scan_tree_for_params): On substractions negate + all the coefficients of the term. + (clast_to_gcc_expression_red): New. Handle reduction expressions + of more than two operands. + (clast_to_gcc_expression): Call clast_to_gcc_expression_red. + (get_vdef_before_scop): Handle also the case of default definitions. + +2009-01-15 Richard Sandiford <rdsandiford@googlemail.com> + + * caller-save.c (add_used_regs_1, add_used_regs): New functions. + (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes. + Also use them when walking CALL_INSN_FUNCTION_USAGE. + +2009-01-15 H.J. Lu <hongjiu.lu@intel.com> + Joey Ye <joey.ye@intel.com> + + PR middle-end/37843 + * cfgexpand.c (expand_stack_alignment): Don't update stack + boundary nor check incoming stack boundary here. + (gimple_expand_cfg): Update stack boundary and check incoming + stack boundary here. + +2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com> + + * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments. + +2009-01-14 Jakub Jelinek <jakub@redhat.com> + + PR rtl-optimization/38245 + * calls.c (expand_call): Add stack arguments to + CALL_INSN_FUNCTION_USAGE even for pure calls (when + ACCUMULATE_OUTGOING_ARGS) and even for args partially passed + in regs and partially in memory or BLKmode arguments. + (emit_library_call_value_1): Add stack arguments to + CALL_INSN_FUNCTION_USAGE even for pure calls (when + ACCUMULATE_OUTGOING_ARGS). + * dce.c: Include tm_p.h. + (find_call_stack_args): New function. + (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES + argument. + (mark_insn): Call find_call_stack_args for CALL_Ps. + (prescan_insns_for_dce): Walk insns backwards in bb rather than + forwards. Allocate and free arg_stores bitmap if needed, pass it + down to deletable_insn_p, don't mark stores set in arg_stores + bitmap, clear the bitmap at the beginning of each bb. + * Makefile.in (dce.o): Depend on $(TM_P_H). + +2009-01-14 Michael Meissner <gnu@the-meissners.org> + + PR target/22599 + * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f' + to make sure the insn is a conditional test (bug 22599). Reformat a + few long lines. + +2009-01-14 Sebastian Pop <sebastian.pop@amd.com> + + PR middle-end/38431 + * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New. + (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi. + (gloog): Do not call cleanup_tree_cfg. + (graphite_transform_loops): Call cleanup_tree_cfg after all + scops have been code generated. + +2009-01-14 Basile Starynkevitch <basile@starynkevitch.net> + * doc/gty.texi (Invoking the garbage collector): Added new node + and section documenting ggc_collect. + +2009-01-14 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/38826 + PR middle-end/38477 + * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer + initialization notes only if we actually emitted a warning. + (intra_create_variable_infos): Add constraints for a result decl + that is passed by hidden reference. + (build_pred_graph): Mark all related variables non-direct on + address-taking. + +2009-01-14 Nick Clifton <nickc@redhat.com> + + * ira-conflicts.c: Include addresses.h for the definition of + base_reg_class. + (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS. + * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h. + +2009-01-13 Vladimir Makarov <vmakarov@redhat.com> + + PR target/38811 + * Makefile.in (ira-lives.o): Add except.h. + + * ira-lives.c: Include except.h. + (process_bb_node_lives): Process can_throw_internal. + +2009-01-13 Jakub Jelinek <jakub@redhat.com> + + PR rtl-optimization/38774 + * combine.c (simplify_set): When undoing cc_use change, don't do + PUT_CODE on the newly created comparison, but instead put back the + old comparison. + +2009-01-13 Joseph Myers <joseph@codesourcery.com> + + * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march + values. Remove duplicate arm8 entry. + +2009-01-13 Sebastian Pop <sebastian.pop@amd.com> + + PR tree-optimization/38786 + * graphite.c (expand_scalar_variables_ssa_name): New, outlined from + the SSA_NAME case of expand_scalar_variables_expr. + Set the type of an expression to the type of its assign statement. + (expand_scalar_variables_expr): Also gather the scalar computation + used to index the memory access. Do not pass loop_p. + Fix comment. Stop recursion on tcc_constant or tcc_declaration. + (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr + the gimple_stmt_iterator where it inserts new code. + Do not pass loop_p. + (copy_bb_and_scalar_dependences): Do not pass loop_p. + (translate_clast): Update call to copy_bb_and_scalar_dependences. + +2009-01-13 Sebastian Pop <sebastian.pop@amd.com> + + * graphite.h (debug_value): Removed. + * graphite.c (debug_value): Removed. + +2009-01-13 Richard Earnshaw <rearnsha@arm.com> + + * config/arm/arm.c (output_move_double): Don't synthesize thumb-2 + ldrd/strd with two 32-bit instructions. + +2009-01-13 Richard Earnshaw <rearnsha@arm.com> + + * config/arm/arm.c (struct processors): Pass for speed down into + cost helper functions. + (const_ok_for_op): Handle COMPARE and inequality nodes. + (arm_rtx_costs_1): Rewrite. + (arm_size_rtx_costs): Update prototype. + (arm_rtx_costs): Pass speed down to helper functions. + (arm_slowmul_rtx_costs): Rework cost calculations. + (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise. + (arm_9e_rtx_costs): Likewise. + +2009-01-13 Uros Bizjak <ubizjak@gmail.com> + + * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit + relocations of local symbols wider than UNITS_PER_WORD are not valid. + (alpha_legitimize_address): Do not split local symbols wider than + UNITS_PER_WORD into HIGH/LO_SUM parts. + +2009-01-13 Danny Smith <dannysmith@users.sourceforge.net> + + PR bootstrap/38580 + * gcc.c (process_command): Replace call to execvp with calls + to pex_one and exit. + +2009-01-03 Anatoly Sokolov <aesok@post.ru> + + PR target/29141 + * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm. + * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add + variant for devices with 3-byte PC. + (__tablejump_elpm__): New. + +2009-01-12 Jakub Jelinek <jakub@redhat.com> + + PR c/32041 + * c-parser.c (c_parser_postfix_expression): Allow `->' in + offsetof member-designator, handle it as `[0].'. + +2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca> + + * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk + function when not using named sections on targets with named sections + if branch distance is less than 262132. + +2009-01-12 Richard Earnshaw <rearnsha@arm.com> + + * combine.c (combine_instructions): Recompute + optimize_this_for_speed_p for each BB in the main combine loop. + +2009-01-12 Tomas Bily <tbily@suse.cz> + + PR middlend/38385 + * tree-loop-distribution.c (prop_phis): New function. + (generate_builtin): Call prop_phis. + +2009-01-12 Jakub Jelinek <jakub@redhat.com> + + PR tree-optimization/38807 + * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at + gimple_visited_p unless stmt is GIMPLE_ASSIGN. + +2009-01-11 Adam Nemet <anemet@caviumnetworks.com> + + * expmed.c (store_bit_field_1): Properly truncate the paradoxical + subreg of op0 to the original op0. + +2009-01-11 Laurent GUERBY <laurent@guerby.net> + + * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc. + +2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de> + + PR debug/7055 + * mips-tfile.c (parse_def): Fix parsing of def strings + starting with digits. + +2009-01-10 Jakub Jelinek <jakub@redhat.com> + + PR target/38695 + * config/arm/arm.c (arm_is_long_call_p): Don't call + arm_function_in_section_p if decl isn't a FUNCTION_DECL. + +2009-01-09 Steven Bosscher <steven@gcc.gnu.org> + + * regrename.c (regrename_optimize): Fix dumping. + (find_oldest_value_reg): Preserve REG_POINTER. + (copy_hardreg_forward_1): Likewise. + +2009-01-09 Diego Novillo <dnovillo@google.com> + + * gimple.h (struct gimple_statement_base) <uid>: Document + the restrictions on its use. + (gimple_uid): Tidy. + (gimple_set_uid): Tidy. + +2009-01-09 Jakub Jelinek <jakub@redhat.com> + + * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add + zero guard even if align_bytes != 0 and count is smaller than + size_needed. + +2009-01-09 Vladimir Makarov <vmakarov@redhat.com> + + PR rtl-optimization/38495 + * ira-emit.c (print_move_list, ira_debug_move_list): New functions. + (add_range_and_copies_from_move_list): Print all added ranges. + Add ranges to memory optimized destination. + +2009-01-09 Jakub Jelinek <jakub@redhat.com> + + PR target/38686 + PR target/38708 + * config/i386/i386.c (override_options): Reject + -mstringop-strategy=rep_8byte with -m32. + (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed + to 1. Do count comparison against epilogue_size_needed at compile + time even when count_exp was constant forced into register. For + size_needed don't jump to epilogue, instead just avoid aligning + and invoke the body algorithm. If need_zero_guard, add zero guard + even if count is non-zero, but smaller than size_needed + number of + bytes that could be stored for alignment. + (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed + to 1. If need_zero_guard, add zero guard even if count is non-zero, + but smaller than size_needed + number of bytes that could be stored + for alignment. Compare size_needed with epilogue_size_needed instead + of desired_align - align, don't adjust size_needed, pass + epilogue_size_needed to the epilogue expanders. + + PR c/35742 + * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR. + +2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca> + + * pa.c (last_address): Change to unsigned. + (update_total_code_bytes): Change argument to unsigned. Don't + check if insn addresses are set. + (pa_output_function_epilogue): Set last_address to UINT_MAX if insn + addresses are not set. + (pa_asm_output_mi_thunk): Handle wrap when updating last_address. + +2009-01-09 Nick Clifton <nickc@redhat.com> + + * config/sh/symbian.c: Replace uses of DECL_INLINE with + DECL_DECLARED_INLINE_P. + +2009-01-09 Jakub Jelinek <jakub@redhat.com> + + PR middle-end/38347 + * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of + GET_MODE (op0) in operand_subword_force calls. + + PR middle-end/38771 + * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR, + fold_convert arg0 operands to TREE_TYPE (op0) first. + +2009-01-08 Vladimir Makarov <vmakarov@redhat.com> + + * params.def (ira-max-conflict-table-size): Decrease default value + to 1000. + +2009-01-08 Jakub Jelinek <jakub@redhat.com> + + PR tree-optimization/37031 + * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy + on parameter_set. + (build_access_matrix): Reserve correct size for AM_MATRIX vector, + allocate it using gc instead of heap, use VEC_quick_push instead of + VEC_safe_push. + * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc + instead of heap, use VEC_quick_push instead of VEC_safe_push. + * tree-data-ref.h (struct access_matrix): Change matrix to gc + allocated vector from heap allocated. + * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector. + * tree-loop-linear.c (linear_transform_loops): Allocate nest + vector only after perfect_loop_nest_depth call. + +2009-01-08 Sebastian Pop <sebastian.pop@amd.com> + Jan Sjodin <jan.sjodin@amd.com> + + PR tree-optimization/38559 + * graphite.c (debug_value, copy_constraint, + swap_constraint_variables, scale_constraint_variable, ): New. + (get_lower_bound, get_upper_bound): Removed. + (graphite_trans_bb_strip_mine): Clean up this code that works + only for constant number of iterations. Fully copy upper and + lower bound constraints, not only the constant part of them. + * graphite.h (debug_value): Declared. + +2009-01-08 Ira Rosen <irar@il.ibm.com> + + PR tree-optimization/37194 + * tree-vect-transform.c (vect_estimate_min_profitable_iters): + Don't add the cost of cost model guard in prologue to scalar + outside cost in case of known number of iterations. + +2009-01-07 Nathan Froyd <froydnj@codesourcery.com> + Alan Modra <amodra@bigpond.net.au> + + * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for + non-word-aligned REG+CONST addressing. + +2009-01-07 Uros Bizjak <ubizjak@gmail.com> + + PR target/38706 + * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call + free_after_compilation when outputting a thunk. + (alpha_output_mi_thunk_osf): Assert that we are processing a thunk. + Do not call free_after_compilation here. + +2009-01-07 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE. + (ix86_valid_target_attribute_inner_p): Ditto. + +2009-01-07 Jan Sjodin <jan.sjodin@amd.com> + + PR tree-optimization/38492 + PR tree-optimization/38498 + * tree-check.c (operator_is_linear, scev_is_linear_expression): New. + * tree-chrec.h (scev_is_linear_expression): Declared. + * graphite.c (graphite_cannot_represent_loop_niter): New. + (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter. + (graphite_loop_normal_form): Use gcc_assert. + (scan_tree_for_params): Use CASE_CONVERT. + (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New. + (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes. + Use gcc_assert. Discard scops that contain unhandled cases. + (build_scop_conditions): Return a boolean status for unhandled cases. + (strip_mine_profitable_p): Print the loop number, not its depth. + (is_interchange_valid): Pass the depth of the loop nest, don't + recompute it wrongly. + (graphite_trans_bb_block): Same. + (graphite_trans_bb_block): Print tentative of loop blocking. + (graphite_trans_scop_block): Do not print that the loop has been + blocked. + (graphite_transform_loops): Do not handle scops that contain condition + scalar phi nodes. + +2009-01-07 H.J. Lu <hongjiu.lu@intel.com> + + AVX Programming Reference (December, 2008) + * config/i386/avxintrin.h (_mm256_stream_si256): New. + (_mm256_stream_pd): Likewise. + (_mm256_stream_ps): Likewise. + + * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256, + IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256. + (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI. + (bdesc_special_args): Add __builtin_ia32_movntdq256, + __builtin_ia32_movntpd256 and __builtin_ia32_movntps256. + (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI. + (ix86_expand_special_args_builtin): Likewise. + + * config/i386/sse.md (AVXMODEDI): New. + (avx_movnt<mode>): Likewise. + (avx_movnt<mode>): Likewise. + (<sse>_movnt<mode>): Remove AVX support. + (sse2_movntv2di): Likewise. + +2009-01-07 Richard Guenther <rguenther@suse.de> + + PR middle-end/38751 + * fold-const.c (extract_muldiv): Remove obsolete comment. + (fold_plusminus_mult_expr): Undo MINUS_EXPR + to PLUS_EXPR canonicalization for the canonicalization. + +2009-01-07 Gerald Pfeifer <gerald@pfeifer.com> + + * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit + hosted cross-compilers generating less efficient code. + +2009-01-06 Richard Sandiford <rdsandiford@googlemail.com> + + * function.h (rtl_data): Add a dbr_scheduled_p field. + * reorg.c (dbr_schedule): Set it. + (gate_handle_delay_slots): Check it. + * config/mips/mips.c (mips_base_delayed_branch): Delete. + (mips_reorg): Check flag_delayed_branch instead of + mips_base_delayed_branch. + (mips_override_options): Don't set mips_base_delayed_branch + or flag_delayed_branch. + +2009-01-06 Richard Sandiford <rdsandiford@googlemail.com> + + PR rtl-optimization/38426. + * ira.c (ira): Set current_function_is_leaf earlier. + +2009-01-06 Jakub Jelinek <jakub@redhat.com> + + PR rtl-optimization/38722 + * combine.c (try_combine): Don't modify PATTERN (i3) and notes + too early, only set a flag and modify after last possible + undo_all point. + +2009-01-06 Janis Johnson <janis187@us.ibm.com> + + PR c/34252 + * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN. + * real.c (decimal_single_format): Correct values of emin and emax. + (decimal_double_format): Ditto. + (decimal_quad_format): Ditto. + * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust + computation of DECnn_MIN and DECnn_MAX for corrected values of + emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of + __DECnn_MIN__, and adjust its computation for the corrected value + of emin. + +2009-01-06 Jan Hubicka <jh@suse.cz> + + PR target/38744 + * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE. + +2009-01-06 Gerald Pfeifer <gerald@pfeifer.com> + + * doc/contrib.texi (Contributors): Slightly adjust the end note. + Add Robert Clark to the list of testers. + +2009-01-06 Jan Hubicka <jh@suse.cz> + Kai Tietz <kai.tietz@onevision.com> + + * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers. + * config/i386/i386.c (ix86_expand_call): Add clobbers. + +2009-01-06 Jan Hubicka <jh@suse.cz> + Kai Tietz <kai.tietz@onevision.com> + + * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used + for w64 ABI. + * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs. + (ix86_nsaved_regs): Count only general purpose regs. + (ix86_nsaved_sseregs): New. + (ix86_compute_frame_layout): Update nsseregs; set preferred alignment + to 16 for w64; compute padding and size of sse reg save area. + (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only + general purpose regs. + (ix86_emit_save_sse_regs_using_mov): New. + (ix86_expand_prologue): Save SSE regs if needed. + (ix86_emit_restore_regs_using_mov): Use only general purpose regs. + (ix86_emit_restore_sse_regs_using_mov): New. + (ix86_expand_epilogue): Save SSE regs if needed. + +2009-01-06 Jan Hubicka <jh@suse.cz> + Kai Tietz <kai.tietz@onevision.com> + + * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI + * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI + functions when accumulate outgoing args is off. + +2009-01-06 H.J. Lu <hongjiu.lu@intel.com> + + PR bootstrap/38742 + * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING + before using pseudos_have_intersected_live_ranges_p. + + * ira-int.h (ira_assert): Always define. + +2009-01-06 H.J. Lu <hongjiu.lu@intel.com> + + AVX Programming Reference (December, 2008) + * config/i386/avxintrin.h (_mm_permute2_pd): Removed. + (_mm256_permute2_pd): Likewise. + (_mm_permute2_ps): Likewise. + (_mm256_permute2_ps): Likewise. + * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise. + * config/i386/sse.md (avx_vpermil2<mode>3): Likewise. + + * config/i386/i386.c (ix86_builtins): Remove + IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS, + IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256. + (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT, + V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT + and V2DF_FTYPE_V2DF_V2DF_V2DI_INT. + (bdesc_args): Remove __builtin_ia32_vpermil2pd, + __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and + __builtin_ia32_vpermil2ps256. + (ix86_init_mmx_sse_builtins): Updated. + (ix86_expand_args_builtin): Likewise. + +2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca> + + * pa.c (output_call): Relocate non-jump insns in the delay slot of + long absolute calls when generating PA 2.0 code. + +2009-01-05 Vladimir Makarov <vmakarov@redhat.com> + + PR rtl-optimization/38583 + * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro. + + * params.def (ira-max-conflict-table-size): New. + + * doc/invoke.texi (ira-max-conflict-table-size): Decribe. + + * ira.h (ira_conflicts_p): New external definition. + + * ira-conflicts.c (build_conflict_bit_table): Do not build too big + table. Report this. Return result of building. + (ira_build_conflicts): Use ira_conflicts_p. Check result of + building conflict table. + + * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num. + (ira_color): Use ira_conflicts_p. + + * global.c: Include ira.h. + (pseudo_for_reload_consideration_p, build_insn_chain): Use + ira_conflicts_p. + + * Makefile.in (global.o): Add ira.h. + + * ira-build.c (mark_all_loops_for_removal, + propagate_some_info_from_allocno): New. + (remove_unnecessary_allocnos): Call + propagate_some_info_from_allocno. + (remove_low_level_allocnos): New. + (remove_unnecessary_regions): Add parameter. Call + mark_all_loops_for_removal and remove_low_level_allocnos. Pass + parameter to remove_unnecessary_regions. + (ira_build): Remove all regions but root if the conflict table was + not built. Update conflict hard regs for allocnos crossing calls. + + * ira.c (ira_conflicts_p): New global. + (ira): Define and use ira_conflicts_p. + + * reload1.c (compute_use_by_pseudos, reload, count_pseudo, + count_spilled_pseudo, find_reg, alter_reg, finish_spills, + emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p. + +2009-01-06 Ben Elliston <bje@au.ibm.com> + + * gengtype-lex.l (YY_NO_INPUT): Define. + +2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com> + + PR c/34911 + * c-common.c (handle_vector_size_attribute): Also reject + BOOLEAN_TYPE types. + +2009-01-05 Sebastian Pop <sebastian.pop@amd.com> + + PR tree-optimization/38492 + * graphite.c (rename_map_elt, debug_rename_elt, + debug_rename_map_1, debug_rename_map, new_rename_map_elt, + rename_map_elt_info, eq_rename_map_elts, + get_new_name_from_old_name, bb_in_sese_p): Moved around. + (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use. + (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb. + (sese_build_livein_liveouts): New. + (new_sese, free_sese): New. + (new_scop): Call new_sese. + (free_scop): Call free_sese. + (rename_variables_from_edge, rename_phis_end_scop): Removed. + (register_old_new_names): Renamed register_old_and_new_names. + (register_scop_liveout_renames, add_loop_exit_phis, + insert_loop_close_phis, struct igp, + default_liveout_before_guard, add_guard_exit_phis, + insert_guard_phis, copy_renames): New. + (translate_clast): Call insert_loop_close_phis and insert_guard_phis. + (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge. + (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts. + (scop_adjust_phis_for_liveouts): New. + (gloog): Call scop_adjust_phis_for_liveouts. + + * graphite.h (struct sese): Documented. Added fields liveout, + num_ver and livein. + (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New. + (new_sese, free_sese, sese_build_livein_liveouts): Declared. + (struct scop): Added field liveout_renames. + (SCOP_LIVEOUT_RENAMES): New. + +2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com> + + PR tree-optimization/38510 + * graphite.c (recompute_all_dominators): Call mark_irreducible_loops. + (translate_clast): Call recompute_all_dominators before + graphite_verify. + (gloog): Call recompute_all_dominators before graphite_verify. + +2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com> + Jan Sjodin <jan.sjodin@amd.com> + + PR tree-optimization/38500 + * graphite.c (create_sese_edges): Call fix_loop_structure after + splitting blocks. + +2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com> + + * config.gcc: Add m32r*-*-rtems*. + * config/m32r/rtems.h: New file. + +2009-01-05 Ben Elliston <bje@au.ibm.com> + + * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir. + (.po.pox): Likewise. + (po/gcc.pot): Likewise. + +2009-01-04 David S. Miller <davem@davemloft.net> + + * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete. + (STARTING_FRAME_OFFSET): Always set to zero. + +2009-01-04 Richard Sandiford <rdsandiford@googlemail.com> + + * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary. + * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of + fixed-point types, and vectors of the same. + +2009-01-04 Richard Sandiford <rdsandiford@googlemail.com> + + * config/mips/sync.md (*mb_barrier): Rename to... + (*memory_barrier): ...this. + +2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com> + + * doc/extend.texi (Function Attributes): Move @cindex after @item + for 'artificial' and 'flatten'. Fix grammar for 'externally_visible' + and put in alphabetical order. Fix 'target' name and put in order. + * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix + typos. + +2009-01-04 Uros Bizjak <ubizjak@gmail.com> + + * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB. + (memory_barrier): Expand as unspec instead of unspec_volatile. + Remove mem:BLK from insn operands. Use Pmode scratch register. + (*memory_barrier): Define as unspec instead of unspec_volatile. + Use (match_dup 0) as input operand. + + * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR. + * config/sparc/sync.md (memory_barrier): Expand as unspec instead of + unspec_volatile. Remove mem:BLK from insn operands. Use Pmode + scratch register. Remove operand 1. + (*stbar): Define as unspec instead of unspec_volatile. + Use (match_dup 0) as input operand, remove (const_int 8). + (*membar): Define as unspec instead of unspec_volatile. + Use (match_dup 0) as input operand, remove input operand 2. + + * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW. + (memory_barrier): Expand as unspec instead of unspec_volatile. + Remove mem:BLK from insn operands. Use Pmode scratch register. + (*memory_barrier): Define as unspec instead of unspec_volatile. + Use (match_dup 0) as input operand. + + * config/ia64/sync.md (memory_barrier): Redefine as expander pattern. + Remove mem:BLK from insn operands. Use Pmode scratch register. + Set volatile flag on operand 0. + (*memory_barrier): New insn pattern. + + * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from + insn operands. + (*memory_barrier): Use (match_dup 0) as input operand. + + * config/mips/sync.md (memory_barrier): Redefine as expander pattern. + Remove mem:BLK from insn operands. Use Pmode scratch register. + Set volatile flag on operand 0. + (*mb_internal): New insn pattern. + + * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal. + +2009-01-04 Steven Bosscher <steven@gcc.gnu.org> + + PR middle-end/38586 + * function.c (struct temp_slot): Move to the section of the file + that deals with temp slots. Remove field 'address'. + (temp_slot_address_table): New hash table of address -> temp slot. + (struct temp_slot_address_entry): New struct, items for the table. + (temp_slot_address_compute_hash, temp_slot_address_hash, + temp_slot_address_eq, insert_temp_slot_address): Support functions + for the new table. + (find_temp_slot_from_address): Rewrite to use the new hash table. + (remove_unused_temp_slot_addresses): Remove addresses of temp + slots that have been made available. + (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse, + worker function for remove_unused_temp_slot_addresses. + (assign_stack_temp_for_type): Don't clear the temp slot address list. + Add the temp slot address to the address -> temp slot map. + (update_temp_slot_address): Update via insert_temp_slot_address. + (free_temp_slots): Call remove_unused_temp_slot_addresses. + (pop_temp_slots): Likewise. + (init_temp_slots): Allocate the address -> temp slot map, or empty + the map if it is already allocated. + (prepare_function_start): Initialize temp slot processing. + +2009-01-04 Steven Bosscher <steven@gcc.gnu.org> + + PR middle-end/38584 + * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate: + Calculate the size of all stack vars assuming no packing of stack + vars will happen, replacing a quadratic algorithm with a linear one. + +2009-01-03 Jakub Jelinek <jakub@redhat.com> + + PR target/38707 + * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn + can't be used. + +2009-01-03 Diego Novillo <dnovillo@google.com> + + * doc/contrib.texi: Update contributions. + +2009-01-03 Jakub Jelinek <jakub@redhat.com> + + PR c++/38705 + * builtins.c (fold_builtin_memory_op): Give up if either operand + is volatile. Set srctype or desttype to non-qualified version + of the other type. + + PR c/38700 + * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs + and FUNCTION_DECLs. + +2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com> + + PR rtl-optimization/35805 + * df-problems.c (df_lr_finalize): Add recursive call to resolve lr + problem if fast dce is able to remove any instructions. + * dce.c (dce_process_block): Fix dump message. + +2009-01-02 Mark Mitchell <mark@codesourcery.com> + + PR 33649 + * tree-ssa-pre.c (compute_antic): Correct loop bounds. + +2009-01-02 Jakub Jelinek <jakub@redhat.com> + + PR middle-end/38690 + * tree-flow.h (op_code_prio, op_prio): New prototypes. + * tree-pretty-print.c (op_code_prio): New function. + (op_prio): No longer static. Use op_code_prio. + * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs): + Use op_prio and op_code_prio to determine if () should be + printed around operand(s) or not. + + * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs, + dump_gimple_call, dump_gimple_switch, dump_gimple_cond, + dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi, + dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use + pp_character instead of pp_string for single letter printing. + +2009-01-02 Richard Sandiford <rdsandiford@googlemail.com> + + * doc/extend.texi: Fix '#pragma GCC option' typo. + +2009-01-02 Richard Guenther <rguenther@suse.de> + + * doc/install.texi (--enable-checking): Mention different + default for stage1. + (--enable-stage1-checking): Document. + +2009-01-01 Andrew Pinski <pinskia@gmail.com> + + PR middle-end/30142 + * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR + case to be an error. + +2009-01-02 Ben Elliston <bje@au.ibm.com> + + * config/fp-bit.h (pack_d): Constify argument. + * config/fp-bit.c (makenan): Constify return type. Remove casts. + (isnan): Constify argument. + (isinf): Likewise. + (iszero): Likewise. + (pack_d): Likewise. + (_fpadd_parts): Constify return type. + (_fpmul_parts): Likewise. + (_fpdiv_parts): Likewise. + +2009-01-01 Jakub Jelinek <jakub@redhat.com> + + PR c/36489 + * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only + warn about overwriting initializer with side-effects or + -Woverride-init if !IMPLICIT. + (output_init_element): Likewise. Pass IMPLICIT down to + add_pending_init. + (process_init_element): Add IMPLICIT argument. Pass it down + to output_init_element. + (push_init_element, pop_init_level, set_designator): Adjust + process_init_element callers. + (set_nonincremental_init, set_nonincremental_init_from_string): + Adjust add_pending_init callers. + (output_pending_init_elements): Adjust output_init_element callers. + * c-tree.h (process_init_element): Adjust prototype. + * c-parser.c (c_parser_initelt, c_parser_initval): Adjust + process_init_element callers. + + +Copyright (C) 2009 Free Software Foundation, Inc. + +Copying and distribution of this file, with or without modification, +are permitted in any medium without royalty provided the copyright +notice and this notice are preserved. |