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+2001-12-31 Richard Henderson <rth@redhat.com>
+
+ * config/ia64/ia64.c (mark_reg_gr_used_mask): Mind HARD_REGNO_NREGS.
+
+2001-12-31 Richard Henderson <rth@redhat.com>
+
+ * regrename.c (build_def_use): Don't rename asm operands that
+ were originally hard registers.
+ (copyprop_hardreg_forward_1): Likewise.
+ (find_oldest_value_reg): Copy ORIGINAL_REGNO from source.
+ * varasm.c (make_decl_rtl): Use gen_rtx_raw_REG. Set ORIGINAL_REGNO.
+
+2001-12-31 Douglas B Rupp <rupp@gnat.com>
+
+ * config/alpha/vms.h (HAS_INIT_SECTION, NEED_ATEXIT): Remove.
+ (NAME__MAIN, SYMBOL__MAIN): Define.
+
+2001-12-31 Richard Henderson <rth@redhat.com>
+
+ * cfgrtl.c (delete_insn): Check for not NOTE_INSN_DELETED_LABEL
+ before decrementing LABEL_NUSES from a jump table.
+
+ * final.c (alter_subreg): Assign REGNO after changing the rtx code.
+
+ * config/alpha/alpha.c (reg_no_subreg_operand): Reject all
+ non-registers.
+
+2001-12-31 Graham Stott <grahams@redhat.com>
+
+ * halfpic.h: Remove foward defs of tree_node and rtx_def.
+
+ * toplev.h: Remove forward def of tree_node, rtx_def.
+
+ * except.h: Remove forward def of tree_node, rtx_def and
+ define of tree, rtx. Also remove undefs.
+
+ * basic-block.h: Remove forward def of tree_node and
+ define of tree.
+
+2001-12-30 Richard Henderson <rth@redhat.com>
+
+ * cfglayout.c (scope_def, scope_forest_info, forest,
+ relate_bbs_with_scopes, make_new_scope, build_scope_forest,
+ remove_scope_notes, insert_intra_before_1, insert_intra_1,
+ insert_intra_bb_scope_notes, insert_inter_bb_scope_notes,
+ rebuild_scope_notes, free_scope_forest_1, dump_scope_forest,
+ dump_scope_forest_1, get_next_bb_note, get_prev_bb_note): Remove.
+ (fixup_reorder_chain): Don't set scope for bb.
+ (insn_scopes, scope_to_insns_initialize, set_block_levels,
+ change_scope, scope_to_insns_finalize): New.
+ (cfg_layout_initialize, cfg_layout_finalize): Update to match.
+ * cfglayout.h (scope_def, scope): Remove.
+ (reorder_block_def): Remove scope member.
+ (scope_to_insns_initialize, scope_to_insns_finalize): Declare.
+ * haifa-sched.c: Revert reemit_other_notes change.
+ * sched-ebb.c (schedule_ebbs): Don't call remove_unnecessary_notes.
+ Use scope_to_insns_initialize and scope_to_insns_finalize.
+ * sched-rgn.c (schedule_insns): Likewise.
+
+2001-12-31 Graham Stott <grahams@redhat.com>
+
+ * c-lex.c: Include tree.h before expr.h
+
+ * c-typeck.c: Include rtl.h earlier.
+
+ * tree.h (STRIP_NOPS): Remove extraneous semicolon.
+ (STRIP_SIGN_NOPS): Likewise.
+ (STRIP_TYPE_NOPS): Likewise.
+ (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): Add Parenthesis around
+ macro paramater.
+
+ * final.c (struct bb_list): Delete.
+ (struct bb_str): Likewise.
+
+ * cfgloop.c (flow_loop_entry_edges_find): Fix typo.
+ (flow_loop_exit_edges_find): Likewise.
+
+ * gcse.c (gcse_main): Fix typos.
+ (alloc_gcse_mem): Likewise.
+
+ * function.h: Remove undefs for rtx and tree.
+
+2001-12-30 Richard Henderson <rth@redhat.com>
+
+ * loop.c (check_dbra_loop): Fix last change: examine both
+ has_multiple_exit_targets and exit_count.
+
+2001-12-30 Richard Henderson <rth@redhat.com>
+
+ * integrate.c (copy_rtx_and_substitute): Fix error last change:
+ we need to unconditionally create a new mem.
+
+2001-12-30 Hans-Peter Nilsson <hp@bitrange.com>
+
+ * config/mmix/mmix.md ("*call_real"): Fix typo in comment.
+ * config/mmix/mmix.h (EXTRA_CONSTRAINT): Pass MMIX_REG_OK_STRICT
+ to mmix_extra_constraint.
+ * config/mmix/mmix.c (mmix_secondary_reload_class): Only handle
+ non-global register classes. Mark now unused parameters as such.
+ (mmix_extra_constraint, 'U'): Use new parameter strict and call
+ calling memory_operand_p or strict_memory_address_p, not
+ address_operand.
+ * config/mmix/mmix-protos.h (mmix_extra_constraint): Add parameter.
+
+2001-12-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * unroll.c: Move include files above first use of `const'.
+
+2001-12-30 Jakub Jelinek <jakub@redhat.com>
+
+ * cfgrtl.c (try_redirect_by_replacing_jump): Allow redirect_jump
+ to fail if target is EXIT_BLOCK_PTR, die otherwise.
+ (redirect_edge_and_branch): Likewise.
+ * cfgcleanup.c (try_forward_edge): Don't force jump redirecting
+ if target is EXIT_BLOCK_PTR.
+
+2001-12-29 David Edelsohn <edelsohn@gnu.org>
+
+ * gcc.c (init_gcc_spec): Do not link with static libgcc.a if
+ gcc invoked with -shared.
+
+2001-12-29 Graham Stott <grahams@redhat.com>
+
+ * config/i386/i386.c (ix86_asm_dialect): Fix enum type.
+
+ (override_options): Delete abs macro unused.
+
+ (output_pic_addr_const): Use ASM_ATT/ASM_INTEL enumerations
+ when testing ASSEMBLER_DIALECT.
+
+ (print_reg): Likewise.
+ (print_operand): Likewise.
+ (print_operand_address): Likewise.
+ (print_operand): abort if ASSEMBLER_DIALECT is unknown dialect.
+
+ * config/i386/i386.h (ix86_asm_dialect): Fix enum type.
+
+ (FIND_BASE_TERM): Fix typo.
+
+Sat Dec 29 15:48:54 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * expr.c (store_field): Use adjust_address, not PUT_MODE.
+ (expand_expr, case VIEW_CONVERT_EXPR): Likewise.
+ * reload1.c (eliminate_regs, case SUBREG): Likewise, but use
+ adjust_address_nv.
+ * varasm.c (make_decl_rtl): Likewise.
+ * integrate.c (copy_rtx_and_substitute, case MEM): Likewise, but use
+ replace_equiv_address_nv.
+
+ * varasm.c (decode_addr_const, case INTEGER_CST): Call
+ output_constant_def instead of looking at TREE_CST_RTL.
+
+ * expr.c (convert_move): If -fforce-mem, force FROM to not be memory.
+
+ * stor-layout.c (layout_decl): Don't misalign field of variable size
+ for packed record.
+
+ * dwarf2out.c (compute_section_prefix): Avoid cast warning.
+ (gen_decl_die): Only check DECL_IGNORED_P on decls.
+ (dwarf2out_decl): Check for DECL_IGNORED_P only when needed.
+
+2001-12-29 Jakub Jelinek <jakub@redhat.com>
+
+ * cfglayout.c (insert_intra_before_1): New.
+ (insert_inter_bb_scope_notes): Emit sibling block notes which don't
+ span multiple basic blocks.
+
+2001-12-29 Richard Henderson <rth@redhat.com>
+
+ * loop.c (prescan_loop): Set has_multiple_exit_targets for exception
+ edges. Rearrange jump interpretation code to use pc_set.
+ (check_dbra_loop): Examine has_multiple_exit_targets not exit_count.
+
+ * sched-deps.c (sched_analyze_insn): Set scheduling barrier for
+ all insns that can throw, not just if flag_non_call_exceptions.
+
+2001-12-29 Stan Shebs <shebs@apple.com>
+
+ * objc/objc-act.c (STRING_OBJECT_CLASS_NAME): Remove.
+ (default_constant_string_class_name): New global.
+ (objc_init): Set it.
+ (synth_module_prologue): Use it.
+
+ * objc/objc-act.c: Apply various cosmetic and formatting changes.
+
+2001-12-29 Kazu Hirata <kazu@hxi.com>
+
+ * config/rs6000/darwin-tramp.asm: Fix comment formatting.
+ * config/rs6000/freebsd.h: Likewise.
+ * config/rs6000/rs6000.c: Likewise.
+ * config/sh/sh.c: Likewise.
+ * config/sh/sh.h: Likewise.
+
+2001-12-28 Stan Shebs <shebs@apple.com>
+
+ * objc/objc-act.c (build_module_descriptor): Make sure the init
+ function is not deferred.
+ (build_dispatch_table_initializer): Compute the method encoding if
+ not already done.
+
+2001-12-28 Kazu Hirata <kazu@hxi.com>
+
+ * doc/md.texi: Add @findex define_insn_and_split.
+
+2001-12-28 Hans Bohem <hans_boehm@hp.com>
+
+ * config/ia64/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
+ * config/ia64/unwind-ia64.c (uw_init_context_1): Redo sp, psp,
+ bsp setup. Set pri_unat_loc to something reasonable.
+ (uw_install_context): Add missing cast.
+ (unw_access_gr): Fix off-by-1 indexing error.
+
+2001-12-28 Kazu Hirata <kazu@hxi.com>
+
+ * except.c: Fix comment formatting.
+ * flags.h: Likewise.
+ * flow.c: Likewise.
+ * predict.c: Likewise.
+ * simplify-rtx.c: Likewise.
+ * system.h: Likewise.
+ * vmsdbg.h: Likewise.
+ * vmsdbgout.c: Likewise.
+
+2001-12-28 Kazu Hirata <kazu@hxi.com>
+
+ * config/h8300/h8300.md: Fix formatting.
+
+2001-12-28 Geoff Keating <geoffk@redhat.com>
+
+ * varasm.c (record_constant_1): Correct parameter to recursive
+ call in default case.
+
+2001-12-28 Jakub Jelinek <jakub@redhat.com>
+
+ * config/sparc/sparc.h (ASM_PREFERRED_EH_DATA_FORMAT,
+ ASM_OUTPUT_DWARF_PCREL): Define.
+ * config/sparc/sol2.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
+ * configure.in (HAVE_AS_SPARC_UA_PCREL): Check whether as supports
+ .uaword %r_disp32() and linker handles it correctly.
+ * configure, config.in: Rebuilt.
+
+2001-12-28 Jakub Jelinek <jakub@redhat.com>
+
+ * c-typeck.c (store_init_value): If initializing object with array
+ type of unknown size by a compound literal, set object's size from
+ compound literal size.
+ * doc/extend.texi (Compound Literals): Adjust documentation.
+
+2001-12-28 Richard Henderson <rth@redhat.com>
+
+ * real.c (etoe113, toe113): Ifndef INTEL_EXTENDED_IEEE_FORMAT.
+ (endian): Clear word 3 for INTEL_EXTENDED_IEEE_FORMAT.
+ (etartdouble): Invoke etoe64 for INTEL_EXTENDED_IEEE_FORMAT.
+ * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Don't special case
+ INTEL_EXTENDED_IEEE_FORMAT.
+
+2001-12-27 Geoff Keating <geoffk@redhat.com>
+
+ * combine.c (try_combine): Mask off sign bits when combining
+ stores to the low and high parts of a two-word value.
+
+ * expr.c (expand_expr): Don't mark memory for non-constants as
+ constant.
+
+Thu Dec 27 20:39:55 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * integrate.c (copy_rtx_and_substitute, case MEM): If inlining
+ and not for LHS, clear RTX_UNCHANGING_P.
+
+2001-12-28 Philipp Thomas <pthomas@suse.de>
+
+ * cppfiles.c (stack_include_file): Don't translate <stdin>.
+
+2001-12-27 Roger Sayle <roger@eyesopen.com>
+
+ * builtins.c (expand_builtin_memcmp): Optimize memcmp built-in
+ when all arguments are known constant. Fixes PR opt/3508.
+
+2001-12-27 Kazu Hirata <kazu@hxi.com>
+
+ * config/h8300/h8300.md (two anonymous patterns): Remove.
+
+2001-12-27 Richard Henderson <rth@redhat.com>
+
+ * haifa-sched.c (reemit_other_notes): New.
+ (schedule_block): Use it.
+ * sched-ebb.c (schedule_ebbs): Call remove_unnecessary_notes.
+ * sched-rgn.c (schedule_insns): Likewise.
+ * cfglayout.c (remove_scope_notes): Handle removing note at
+ the end of the insn chain.
+ * function.c (debug_find_var_in_block_tree): New.
+
+2001-12-27 Alan Modra <amodra@bigpond.net.au>
+ David Edelsohn <edelsohn@gnu.org>
+
+ * config/rs6000/linux64.h (ASM_DECLARE_FUNCTION_NAME): Simplify.
+
+2001-12-27 Jakub Jelinek <jakub@redhat.com>
+
+ * toplev.c (independent_decode_option): Re-add -aux-info option
+ handling.
+
+Thu Dec 27 09:50:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * integrate.c (copy_insn_notes): Don't adjust REG_EH_REGION note
+ if special value.
+
+2001-12-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * collect2.c (is_ctor_dtor): Const-ify.
+ * m88k-protos.h (output_file_start): Likewise.
+ * m88k.c (m88k_lang_independent_options, output_options,
+ output_file_start): Likewise.
+ * fix-header.c (files_to_ignore, std_include_entry, include_entry,
+ std_include_table, main): Likewise.
+ * protoize.c (longopts): Likewise.
+ * regclass.c (int_reg_class_contents): Likewise.
+ * toplev.c (dump_file, f_options, W_options): Make static.
+ (lang_independent_options, f_options, W_options): Const-ify.
+ * tree-dump.c (dump_file_info): Likewise.
+ * unroll.c (_factor): Make static.
+
+Wed Dec 26 17:55:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * config/alpha/alpha.c (alpha_align_insns): Remove warning.
+
+ * config/sparc/sparc.md (call struct patterns): Show starting
+ at two words long.
+
+2001-12-26 David Edelsohn <edelsohn@gnu.org>
+
+ * rs6000.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add mcpu=405.
+ * sysv4.h (CPP_SYSV_SPEC, CPP_OS_VXWORKS_SPEC): Add mcpu=405.
+
+2001-12-26 DJ Delorie <dj@redhat.com>
+
+ * function.c (expand_main_function): Make sure stack adjustments
+ happen before sjlj exception setup.
+
+2001-12-26 David Edelsohn <edelsohn@gnu.org>
+
+ * rs6000.md (indirect_jump): Prefer CTR over LR.
+ * xcoff.h (ASM_DECLARE_FUNCTION_NAME): Handle weak function.
+
+Tue Dec 25 12:04:47 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * dwarf2out.c: Reformatting and minor code rearrangement.
+
+2001-12-24 Douglas B. Rupp (rupp@gnat.com)
+
+ * configure.in (quoted_stage_prefix_set_by_configure): Generate.
+ * configure: Regenerated.
+ * Makefile.in (SUBDIR_FLAGS_TO_PASS): Use
+ quoted_stage_prefix_set_by_configure.
+
+Mon Dec 24 10:24:59 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * rtl.h (in_expr_list_p): New declaration.
+ * rtlanal.c (in_expr_list_p): New function.
+ * cfgcleanup.c: Reformatting and minor code rearrangement.
+ * cfglayout.c, cfgloop.c, cfgrtl.c: Likewise.
+
+2001-12-23 Richard Henderson <rth@redhat.com>
+
+ PR c/5163:
+ * c-decl.c (duplicate_decls): As needed, set DECL_INLINE when
+ we have a function body associated. Minor cleanups.
+ (grokdeclarator): Do not set DECL_INLINE without a function body.
+
+2001-12-23 Richard Henderson <rth@redhat.com>
+
+ * stmt.c (resolve_operand_names): Handle operand modifiers.
+
+2001-12-23 Richard Henderson <rth@redhat.com>
+
+ * stmt.c (parse_input_constraint): Break out from ...
+ (expand_asm_operands): ... here. Loop over the operands twice,
+ the first time only calling mark_addressable. Correct and simplify
+ the conditions for spilling an output operand to memory.
+
+2001-12-23 Richard Henderson <rth@redhat.com>
+
+ * config/alpha/alpha.c (call_operand) [OSF]: Disallow virtual regs.
+
+ * config/alpha/alpha.md (UNSPEC_SIBCALL): New.
+ (sibcall, sibcall_value, sibcall_osf_1_er, sibcall_osf_1): Use it.
+ (sibcall_value_osf_1_er, sibcall_value_osf_1): Likewise.
+
+2001-12-23 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-typeck.c (c_start_case): Don't strip conversions from the
+ controlling expression. Partially fixes PR c/2454.
+
+2001-12-23 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * Makefile.in (USER_H): Remove proto.h.
+ * config.gcc (c*-convex-*): Set extra_headers=proto.h.
+
+2001-12-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * arc.c (arc_hard_regno_mode_ok): Const-ify.
+ * arc.h (arc_hard_regno_mode_ok): Likewise.
+ * i386.c (x86_64_reg_class_name): Make static.
+ * m68k.c (regno_reg_class): Const-ify.
+ * m68k.h (regno_reg_class): Likewise.
+ * mcore.c (reg_class_from_letter): Likewise.
+ * mcore.h (reg_class_from_letter): Likewise.
+ * sh.c (reg_class_from_letter, ashiftrt_insns, shift_insns,
+ ext_shift_insns, ext_shift_amounts): Likewise.
+ * sh.h (reg_class_from_letter): Likewise.
+ * sparc.c (hard_regno_mode_classes, hard_32bit_mode_classes,
+ hard_64bit_mode_classes): Likewise.
+ * sparc.h (hard_regno_mode_classes): Likewise.
+
+ * gcc.c (modify_target): Make static.
+ * gengenrtl.c (defs, formats): Likewise.
+ * reload1.c (elim_table_1, init_elim_table): Const-ify.
+ * tradcpp.c (directive, directive_table, handle_directive,
+ skip_if_group, run_directive): Likewise.
+
+2001-12-23 Richard Henderson <rth@redhat.com>
+
+ * calls.c (expand_call): Don't turn off ECF_LIBCALL_BLOCK for
+ an invalid result register; do end the sequence properly.
+ (emit_library_call_value_1): Likewise.
+
+2001-12-22 Aldy Hernandez <aldyh@redhat.com>
+
+ * config/rs6000/rs6000.h (rs6000_builtins): Add vsldoi variants.
+
+ * config/rs6000/rs6000.md ("altivec_vsldoi_*"): Same.
+
+ * config/rs6000/rs6000.c: Clean up some spacing and indentation.
+ (altivec_init_builtins): Add tree types for builtins with 4 bit
+ literals.
+ (bdesc_3arg): Add vsldoi variants.
+
+2001-12-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * 1750a.h (datalbl, jmplbl): Declare array size explicitly.
+ * a29k.h (a29k_debug_reg_map): Likewise.
+ * arc.h (arc_regno_reg_class): Likewise.
+ * c4x-protos.h (c4x_regclass_map, c4x_caller_save_map): Likewise.
+ * convex.h (regno_reg_class, reg_class_from_letter): Likewise.
+ * d30v.h (regno_reg_class, reg_class_from_letter): Likewise.
+ * i386.h (regclass_map): Likewise.
+ * m32r.h (m32r_hard_regno_mode_ok, m32r_punct_chars): Likewise.
+ * mcore.h (regno_reg_class): Likewise.
+ * mips.h (mips_print_operand_punct, mips_char_to_class):
+ Likewise.
+ * ns32k.h (regclass_map): Likewise.
+ * pj.h (pj_debugreg_renumber_vec): Likewise.
+ * s390.h (regclass_map): Likewise.
+ * sh.h (regno_reg_class): Likewise.
+ * sparc.h (sparc_regno_reg_class): Likewise.
+
+ * hard-reg-set.h (reg_class_contents): Likewise.
+ * machmode.h (class_narrowest_mode): Likewise.
+
+2001-12-22 David Edelsohn <edelsohn@gnu.org>
+
+ * loop.c (scan_loop, move_movables, count_one_set): Do not
+ overlook hard registers when computing statistics.
+
+Sun Dec 23 00:49:37 CET 2001 Jan Hubicka <jh@suse.cz>
+
+ * calls.c (ECF_LIBCALL_BLOCK): New constant.
+ (emit_call_1, initialize_argument_information,
+ precompute_arguments, expand_call,
+ emit_library_call_value_1): Use ECF_LIBCALL_BLOCK
+ instead of ECF_PURE | ECF_CONST. Honnor LCT_CONST/LCT_PURE.
+
+2001-12-22 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * config.gcc (extra_headers): Move settings to math-68881.h and
+ ppc-asm.h to common code for CPU types. Use math-68881.h on all
+ m68k targets.
+ (header_files): Remove unused setting.
+
+2001-12-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * elxsi.c: Include "hard-reg-set.h" and/or don't declare
+ `call_used_regs' explicitly.
+ * i860.c: Likewise.
+ * m68k.c: Likewise.
+ * ns32k.c: Likewise.
+ * pa.c: Likewise.
+ * vax.c: Likewise.
+ * we32k.c: Likewise.
+
+Fri Dec 21 23:30:14 CET 2001 Jan Hubicka <jh@suse.cz>
+
+ * i386.h (TARGET_CPU_DEFAULT_pentium_mmx): New.
+ (TARGET_CPU_DEFAULT_*): Renumber.
+
+Sat Dec 22 12:20:20 EST 2001 John Wehle (john@feith.com)
+
+ * rtl.h (subreg_lsb): Declare.
+ * rtlanal.c (subreg_lsb): Implement.
+
+Sat Dec 22 08:59:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * predict.c: Reformatting and minor cleanups.
+ * cfg.c, cfganal.c, cfgbuild.c: Likewise.
+
+ * expr.c (expand_expr, case ADDR_EXPR): Handling taking address of
+ SAVE_EXPR.
+ * function.c (gen_mem_addressof): Add missing tests for SAVE_EXPR.
+ (put_addressof_into_stack): Clarify code in setting of used_p.
+
+ * calls.c (flags_from_decl_or_type): Move ECF_SP_DEPRESSED here.
+ (expand_call): Delete from here.
+ Do pending stack adjustments if ECF_SP_DEPRESSED.
+
+ * dwarf2out.c (save_rtx): Deleted.
+ (mem_loc_descriptor): Do equivalent operation.
+ (add_const_value_attribute, case CONST): Likewise.
+ (add_name_and_src_coords_attributes): Likewise.
+
+2001-12-21 Kazu Hirata <kazu@hxi.com>
+
+ * config/h8300/h8300.h: Fix comment formatting.
+
+Fri Dec 21 17:30:15 2001 Jeffrey A Law (law@redhat.com)
+
+ * pa.h (CPP_SPEC): If not in ANSI mode, define _INCLUDE_LONGLONG.
+ (CPLUSPLUS_CPP_SPEC): Define _INCLUDE_LONGLONG.
+
+2001-12-21 Robert Lipe <robertlipe@usa.net>
+
+ * system.h (PREFETCH): Explictly undefine.
+
+2001-12-21 Richard Henderson <rth@redhat.com>
+
+ * c-parse.in (SAVE_WARN_FLAGS): Save warn_traditional.
+ (RESTORE_WARN_FLAGS): Restore it.
+ (extension): Zero warn_traditional.
+
+2001-12-21 Kazu Hirata <kazu@hxi.com>
+
+ * doc/passes.texi: Fix a typo.
+
+2001-12-21 Kazu Hirata <kazu@hxi.com>
+
+ * config/h8300/h8300.h: Fix a comment typo.
+
+2001-12-21 Jakub Jelinek <jakub@redhat.com>
+
+ * combine.c (nonzero_bits): If using reg_nonzero_bits,
+ we don't know anything about bits outside of X mode.
+ (num_sign_bit_copies): Likewise.
+
+2001-12-21 Nick Clifton <nickc@cambridge.redhat.com>
+
+ * config/arm/arm.md (prefetch): Use 'a' operand code.
+
+2001-12-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * aclocal.m4 (gcc_AC_PROG_GNAT): Run prospective ada drivers in
+ subshells.
+ * configure.in: Likewise for perl Pod::Man.
+
+ * configure: Regenerated.
+
+2001-12-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * builtin-attrs.def (__builtin_printf_unlocked,
+ __builtin_fprintf_unlocked, printf_unlocked, fprintf_unlocked):
+ Mark with the __printf__ attribute.
+
+ * builtins.c (expand_builtin_fputs): Add an `unlocked' parameter
+ and set the replacement function depending on it.
+ (expand_builtin): Skip BUILT_IN_*_UNLOCKED when not optimizing.
+ Handle BUILT_IN_*_UNLOCKED when optimizing.
+
+ * builtins.def (DEF_EXT_FALLBACK_BUILTIN,
+ DEF_EXT_FRONT_END_LIB_BUILTIN): New macros.
+ Declare the "unlocked" stdio functions.
+
+ * c-common.c (c_expand_builtin_printf, c_expand_builtin_fprintf):
+ Add an `unlocked' parameter and set the replacement function
+ depending on it.
+ (c_expand_builtin): Handle BUILT_IN_PRINTF_UNLOCKED and
+ BUILT_IN_FPRINTF_UNLOCKED.
+
+ * doc/extend.texi (printf_unlocked, fprintf_unlocked,
+ fputs_unlocked): Document.
+
+2001-12-20 Josef Zlomek <zlomek@matfyz.cz>
+
+ * cfgloop.c (flow_loops_find): Use the information of the depth
+ first search order of the CFG correctly when finding natural loops.
+
+2001-12-20 Richard Henderson <rth@redhat.com>
+
+ * config/alpha/alpha.md (prologue_mcount): Update for explicit relocs.
+
+2001-12-20 Richard Henderson <rth@redhat.com>
+
+ * config/alpha/alpha.c (call_operand) [OSF]: Accept pseudos.
+ * config/alpha/alpha.md (call_osf, call_value_osf): Don't force
+ operand into $27.
+
+2001-12-20 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * configure.in (all_headers, all_lib2funcs): Remove.
+ * configure: Regenerate.
+ * Makefile.in (LANG_EXTRA_HEADERS): Remove.
+ (USER_H): Don't include $(LANG_EXTRA_HEADERS).
+ * config/alpha/t-interix (USER_H): Don't include
+ $(LANG_EXTRA_HEADERS).
+ * config/i386/t-interix: Likewise.
+ * config/t-openbsd: Likewise.
+
+2001-12-20 Andreas Jaeger <aj@suse.de>
+
+ * libgcc2.c (__bb_exit_func): Remove unused variable.
+ (num_digits): Remove unused function.
+
+2001-12-20 Alan Shieh <ashieh@hkn.eecs.berkeley.edu>
+
+ * config/arm/arm.c (arm_output_epilogue): Changed IP restore
+ to use ldmfd instead of ldmea.
+ * config/arm/arm.c (arm_compute_initial_elimination_offset):
+ Modified to reflect behavior of arm_expand_prologue when generating
+ interrupt handlers
+
+2001-12-20 Nick Clifton <nickc@cambridge.redhat.com>
+
+ * config/arm/arm.c (arm_compute_save_reg0_reg12_mask): New
+ function. Compute which of registers r0 through r12 should be
+ saved onto the stack during a function's prologue.
+ (arm_compute_save_reg_mask): Use
+ arm_compute_save_reg0_reg12_mask.
+ (arm_compute_initial_elimination_offset): Use
+ arm_compute_save_reg0_reg12_mask.
+
+ (arm_expand_prologue): Do not mark as save of the IP register
+ for an interrupt handler as being part of the frame creation
+ code.
+
+2001-12-20 Richard Henderson <rth@redhat.com>
+
+ * varasm.c (assemble_real): Use REAL_VALUE_TO_x and assemble_integer
+ to emit floating point values.
+ (assemble_real_1): Remove.
+
+ * 1750a/1750a.c (real_value_to_target_single): New.
+ (real_value_to_target_double): New.
+ * 1750a/1750a.h (TARGET_FLOAT_FORMAT): New.
+ (REAL_VALUE_TO_TARGET_SINGLE): New.
+ (REAL_VALUE_TO_TARGET_DOUBLE): New.
+ * 1750a/1750a-protos.h: Update.
+
+ * 1750a/1750a.h, a29k/a29k.h, alpha/alpha.h, alpha/unicosmk.h,
+ alpha/vms.h, arc/arc.h, arm/aof.h, arm/aout.h, avr/avr.c,
+ avr/avr.h, c4x/c4x.h, clipper/clix.h, convex/convex.h, cris/cris.h,
+ d30v/d30v.h, dsp16xx/dsp16xx.c, dsp16xx/dsp16xx.h, elxsi/elxsi.h,
+ fr30/fr30.h, h8300/h8300.h, i370/i370.h, i386/i386.h, i386/i386elf.h,
+ i386/next.h, i386/ptx4-i.h, i386/sysv4.h, i860/fx2800.h, i860/i860.h,
+ i860/paragon.h, i860/sysv4.h, i960/i960-protos.h, i960/i960.c,
+ i960/i960.h, ia64/ia64.h, m32r/m32r.h, m68hc11/m68hc11.c,
+ m68hc11/m68hc11.h, m68k/3b1.h, m68k/altos3068.h, m68k/crds.h,
+ m68k/dpx2.h, m68k/hp320.h, m68k/m68k.h, m68k/mot3300.h, m68k/news.h,
+ m68k/next.h, m68k/next21.h, m68k/sgs.h, m68k/sun2o4.h, m68k/sun3.h,
+ m68k/tower-as.h, m88k/m88k.h, mcore/mcore.h, mips/mips-protos.h,
+ mips/mips.c, mips/mips.h, mmix/mmix-protos.h, mmix/mmix.c,
+ mmix/mmix.h, mn10200/mn10200.h, mn10300/mn10300.h, ns32k/encore.h,
+ ns32k/ns32k.h, pa/long_double.h, pa/pa.h, pdp11/pdp11.h, pj/pj.h,
+ romp/romp.c, romp/romp.h, rs6000/rs6000.h, s390/linux.h, sh/sh.h,
+ sparc/sparc.h, stormy16/stormy16.h, v850/v850.h, vax/vax.h,
+ vax/vaxv.h, we32k/we32k.h, doc/tm.texi: Remove ASM_OUTPUT_FLOAT,
+ ASM_OUTPUT_DOUBLE, ASM_OUTPUT_LONG_DOUBLE, ASM_OUTPUT_BYTE_FLOAT,
+ ASM_OUTPUT_SHORT_FLOAT, ASM_OUTPUT_THREE_QUARTER_FLOAT, and all
+ associated support routines.
+
+Thu Dec 20 16:58:46 CET 2001 Jan Hubicka <jh@suse.cz>
+
+ * cfgcleanup.c (flow_find_cross_jump): Avoid incrementing of ninsns
+ if one of block does not contain jump.
+ (outgoing_edge_math): Revert last path; require edges to be noncomplex
+ nonfake to match single exit edge; require conditional jumps to not
+ have side effect.
+
+2001-12-20 Turly O'Connor <turly@apple.com>
+
+ * tm.texi (ASM_OUTPUT_OPERAND): Change documentation references to
+ "recog_operand" to "recog_data.operand".
+ * rtl.def: Likewise.
+
+2001-12-20 Jakub Jelinek <jakub@redhat.com>
+
+ * simplify-rtx.c (simplifi_binary_operation) [DIV]: If DIV has
+ narrower mode than op0, only return the bits in DIV's mode.
+
+2001-12-20 Jakub Jelinek <jakub@redhat.com>
+
+ * combine.c (distribute_notes): Avoid adding REG_LABEL notes
+ to JUMP_INSNs with JUMP_LABEL.
+
+2001-12-19 Aldy Hernandez <aldyh@redhat.com>
+
+ * doc/install.texi: Add documentation for --enable-altivec.
+
+ * config.gcc: Add support for --enable-altivec.
+
+ * config/rs6000/altivec.h: New.
+
+ * config/rs6000/linuxaltivec.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
+ Define. Fix typo.
+
+ * config/rs6000/rs6000.c (vrsave_operation): Change unspec to
+ unspec_volatile.
+ (generate_set_vrsave): Generate the unspec here instead of calling
+ an .md pattern.
+ (generate_set_vrsave): Use gen_rtvec.
+ (rs6000_emit_prologue): Replace call to gen_get_vrsave with
+ gen_rtx_SET.
+
+ * config/rs6000/rs6000.md ("*movsi_internal1"): Add constraints
+ for setting special registers.
+ ("*set_vrsave_internal"): Use unspec_volatile.
+ ("set_vrsave"): Remove.
+ ("get_vrsave"): Remove.
+
+ * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add vrsave to
+ SPECIAL_REGS.
+
+2001-12-19 Bruce Korb <bkorb@gnu.org>
+
+ * gcc/fixinc/inclhack.def: Remove all the fix suppression "fixes".
+ (strict_ansi_not_ctd): accommodate __STDC__ == 0 tests in UW 2.1.2
+ * gcc/fixinc/mkfixinc.sh(i?86-*-sysv4.2uw2*): now uses fixincl program
+ * gcc/fixinc/base/...: adjust for changes in fixes
+
+2001-12-20 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * po/gcc.pot: Regenerate.
+
+ * configure.in (all_diff_excludes, diff_excludes): Remove.
+ * configure: Regenerate.
+ * Makefile.in (LANG_DIFF_EXCLUDES): Remove.
+ * objc/config-lang.in (diff_excludes): Remove.
+
+2001-12-19 Dan Nicolaescu <dann@ics.uci.edu>
+
+ * config/sparc/sparc.md (ldd peephole2s): For load peepholes pass
+ the destination register as a parameter to mems_ok_for_ldd_peep.
+ For store peepholes pass NULL_RTX. Move all volatile checks ...
+ * config/sparc/sparc.c (mems_ok_for_ldd_peep): ... here. Add a
+ register parameter, check it's not the same as base for an address.
+ * config/sparc/sparc-protos.h (mems_ok_for_ldd_peep): Update.
+
+2001-12-19 Jakub Jelinek <jakub@redhat.com>
+
+ * config/ia64/ia64.c (ia64_single_set): Return first set for
+ prologue_allocate_stack and epilogue_deallocate_stack instructions.
+
+2001-12-19 Dale Johannesen <dalej@apple.com>
+
+ * config/rs6000/rs6000.h: LEGITIMIZE_RELOAD_ADDRESS:
+ redefine in terms of rs6000_legitimize_reload_address().
+ * config/rs6000/rs6000-protos.h: Add this function.
+ * config/rs6000/rs6000.c: Add this function. Includes
+ handling for Darwin FP constants.
+
+Wed Dec 19 11:01:21 2001 Jeffrey A Law (law@redhat.com)
+
+ * config/pa/t-hpux-shlib: New file.
+ * config.gcc (hpux10, hpux11): Include t-hpux-shlib in tmake_file
+ for 32bit hpux10 & hpux11 configurations.
+
+2001-12-19 Nick Clifton <nickc@cambridge.redhat.com>
+
+ * config/arm/xscale-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Pass
+ -mno-fpu onto gas unless -mhard-float is specified.
+ (MULTILIB_DEFAULTS): Include msoft-float.
+
+ * config/arm/t-xscale-coff (EXTRA_MULTILIB_PARTS): Remove definition.
+
+ * config/arm/coff.h (SUPPORTS_INIT_PRIORITY): Define (to false).
+ * config/arm/elf.h (SUPPORTS_INIT_PRIORITY): Define (to true).
+
+Wed Dec 19 06:12:34 2001 Douglas B. Rupp <rupp@gnat.com>
+
+ * dwarf2out.c (add_name_and_src_coords_attributes): Fix VMS procedure
+ descriptor output.
+
+2001-12-18 Stan Shebs <shebs@apple.com>
+
+ * rs6000.h (LOCAL_ALIGNMENT): Fix parens.
+
+Tue Dec 18 17:02:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * emit-rtl.c (widen_memory_access): Only call compare_tree_int
+ on an INTEGER_CST.
+
+2001-12-18 David Edelsohn <edelsohn@gnu.org>
+
+ * rs6000.c (rs6000_override_options): Only use DI ops when
+ TARGET_64BIT. Fix typo.
+
+Tue Dec 18 16:39:46 CET 2001 Jan Hubicka <jh@suse.cz>
+
+ * att.h (ASM_FILE_START): Use asm_dialect.
+ * linux.h (ASM_FILE_START): Likewise.
+ * gas.h (ASM_FILE_START): Likewise.
+ * i386.c (ix86_debug_arg_string, ix86_debug_addr_string,
+ ix86_asm_string, ix86_asm_dialect): New.
+ (override_options): Set asm_dialect.
+ * i386.h (MASK_MIX_SSE_I387, MASK_INTEL_SYNTAX, MASK_DEBUG_ARG,
+ MASK_DEBUG_ADDR): Kill.
+ (MASK_64BIT, MASK_NO_RED_ZONE): renumber.
+ (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Use string.
+ (ASSEMBLER_DIALECT): Use asm_dialect.
+ (TARGET_SWITCHES): Undocument deprecated items; deprecate intel-syntax;
+ remove debug-addr and debug-arg.
+ (TARGET_OPTIONS): Add debug-arg, debug-addr, asm.
+ (asm_dialect): New enum.
+ (ix86_debug_arg_string, ix86_debug_addr_string,
+ ix86_asm_string, ix86_asm_dialect): Declare.
+ * invoke.texi (-mintel-syntax): Remove.
+ (-masm): Document.
+
+Tue Dec 18 16:37:42 CET 2001 Jan Hubicka <jh@suse.cz>
+
+ * libgcc2.c (__bb_exit_func): Kill -ax dumping code.
+
+2001-12-18 Jason Merrill <jason@redhat.com>
+
+ C++ ABI change: destroy value arguments in caller.
+ * calls.c (initialize_argument_information): Pass the address of
+ the TARGET_EXPR temporary rather than storing it into another.
+
+Tue Dec 18 07:09:06 2001 Douglas B. Rupp <rupp@gnat.com>
+
+ * config/alpha/xm-vms.h (INCLUDE_DEFAULTS): Add /gnu/include.
+ * config/alpha/vms.h (STACK_CHECK_BUILTIN): #define 0 for VMS.
+
+2001-12-18 Jakub Jelinek <jakub@redhat.com>
+
+ * config/linux.h (PREFERRED_DEBUGGING_TYPE): Remove.
+ * config/sparc/linux.h (PREFERRED_DEBUGGING_TYPE): Remove.
+ * config/sparc/linux64.h (PREFERRED_DEBUGGING_TYPE): Remove.
+ (CC1_SPEC): Don't default to -gstabs+ if -m32.
+
+2001-12-05 David O'Brien <obrien@FreeBSD.org>
+
+ * elfos.h (PREFERRED_DEBUGGING_TYPE): Change to DWARF2_DEBUG.
+
+2001-12-18 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * po/gcc.pot: Regenerate.
+
+2001-12-18 Kazu Hirata <kazu@hxi.com>
+
+ * config/h8300/h8300.c: Fix comment typos.
+ * config/h8300/h8300.h: Fix comment formatting.
+
+2001-12-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * machmode.h (mode_name, mode_class, mode_size, mode_unit_size,
+ mode_bitsize, mode_mask_array, mode_wider_mode): Set array size in
+ declaration to NUM_MACHINE_MODES.
+ (mode_size, mode_unit_size): Set array type to unsigned char.
+ (mode_bitsize): Set array type to unsigned short.
+
+ * rtl.c (rtx_length): Set array type to unsigned char.
+ (rtx_length, rtx_name, rtx_format, rtx_class): Set array size to
+ NUM_RTX_CODE.
+ (mode_bitsize): Set array type to unsigned short.
+ (mode_size, mode_unit_size): Set array type to unsigned char.
+ (mode_name, mode_class, mode_bitsize, mode_size, mode_unit_size,
+ mode_wider_mode, mode_mask_array): Set array size to
+ NUM_MACHINE_MODES.
+
+ * rtl.h (rtx_length, rtx_name, rtx_format, rtx_class): Set array
+ size in declaration to NUM_RTX_CODE.
+
+2001-12-17 Richard Henderson <rth@redhat.com>
+
+ * config/alpha/alpha.md (unop): Encode RB as $sp.
+
+2001-12-17 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * Makefile.in: Update dependencies.
+ * c-lang.c: Remove unnecessary includes.
+ (deferred_fns, start_cdtor, finish_cdtor, defer_fn): Move to
+ c-objc-common.c.
+ (finish_file): Move body to c_common_finish_file.
+ * c-objc-common.c: Include varray.h and ggc.h.
+ (deferred_fns, start_cdtor, finish_cdtor, defer_fn,
+ expand_deferred_fns, c_objc_common_finish_file): Moved from c-lang.c.
+ (c_objc_common_init): Initialize deferred function array.
+ * c-tree.h (c_objc_common_finish_file,
+ static_ctors, static_dtors): New.
+objc:
+ * Make-lang.in: Update dependencies.
+ * objc/objc-act.c: Don't include varray.h.
+ (defer_fn, deferred_fns): Move to c-objc-common.c.
+ (objc_init): Similarly for initialization of it.
+ (finish_file): Move some to c-objc-common.c, use
+ c_objc_common_finish_file.
+
+2001-12-17 Aldy Hernandez <aldyh@redhat.com>
+
+ * config/rs6000/rs6000.c: Remove is_gpr_return_reg prototype.
+
+2001-12-17 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * doc/cppinternals.texi: Update.
+
+Mon Dec 17 14:21:21 2001 Jeffrey A Law (law@redhat.com)
+
+ * expmed.c (emit_store_flag): Extract updated comparison code
+ from the return value of compare_from_rtx.
+ * expr.c (do_store_flag): Similarly.
+
+2001-12-17 Nick Clifton <nickc@cambridge.redhat.com>
+
+ * caller-save.c (init_caller_save): Use MODE_BASE_REG_CLASS in
+ preference to BASE_REG_CLASS.
+ * recog.c (preprocess_constraints): Ditto.
+ * regclass.c (record_operand_costs, scan_one_insn, regclass,
+ record_reg_classes, record_address_regs): Ditto.
+ * regrename.c (scan_rtx_address, scan_rtx,
+ replace_oldest_value_addr, replace_oldest_value_mem): Ditto.
+ * reload.c (find_reloads, find_reloads_address,
+ find_reloads_address_1): Ditto.
+ * reload1.c (maybe_fix_stack_asms): Ditto.
+ * defaults.h (MODE_BASE_REG_CLASS): Provide default
+ definition.
+ * doc/tm.texi: Document MODE_BASE_REG_CLASS.
+
+ * config/arm/arm.h (MODE_BASE_REG_CLASS): Define.
+
+2001-12-17 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * doc/install.texi2html: Use -I $SOURCEDIR.
+
+ Separate user and internals manuals.
+ * Makefile.in (info, $(docdir)/gcc.info, dvi, gcc.dvi): Update
+ dependencies.
+ ($(docdir)/gccint.info, gccint.dvi): New targets.
+ (maintainer-clean, install-info, uninstall): Update.
+ * doc/.cvsignore: Add gccint.info*.
+ * doc/include/gcc-common.texi: New file.
+ * doc/gcc.texi: Use it. Adjust to be a user-only manual. Put
+ copyright notice in a macro. Don't include ISBN unless FSFPRINT
+ is defined.
+ * doc/gccint.texi: New file.
+ * doc/configfiles.texi, doc/extend.texi, doc/invoke.texi,
+ doc/md.texi, doc/passes.texi, doc/tm.texi, doc/trouble.texi:
+ Update for separate user and internals manuals.
+
+2001-12-17 Dale Johannesen <dalej@apple.com>
+
+ * config/rs6000/rs6000.h: CPP_CPU_SPEC: add mcpu=7400.
+ ASM_CPU_SPEC: Ditto.
+ RTX_COSTS: Fix timing info for 7450 multiply.
+ * config/rs6000/rs6000.md: Fix timing info for 7450 imul.
+ Allow floats to be kept in int regs in movsf_low,
+ movsf_low_st (Darwin only)
+
+2001-12-17 Aldy Hernandez <aldyh@redhat.com>
+
+ * config/rs6000/rs6000.c (vrsave_operation): Recognize SETs in
+ parallel.
+ (is_gpr_return_reg): New.
+ (rs6000_emit_prologue): Call generate_set_vrsave with additional
+ argument. Save only registers in the mask. Attach
+ REG_FRAME_RELATED_EXPR note to altivec offsets. Do not call
+ rs6000_frame_related when saving VRSAVE.
+ (rs6000_emit_epilogue): Call generate_set_vrsave with additional
+ argument. Restore only registers in the mask. Restore altivec
+ registers after we restore CR.
+ (generate_set_vrsave): New parameter epiloguep. Generate unspec
+ sets instead of clobbers for call saved registers.
+ (altivec_frame_fixup): New.
+
+2001-12-17 Richard Henderson <rth@redhat.com>
+
+ * config/sparc/sparc.md (movdi_zero): Remove.
+ (movdi_insn_sp32_v9): New.
+
+2001-12-17 Richard Henderson <rth@redhat.com>
+
+ * cfgcleanup.c (outgoing_edges_match): Check for insn match with
+ a single outgoing edge too.
+
+Mon Dec 17 18:27:52 CET 2001 Jan Hubicka <jh@suse.cz>
+
+ * cfgrtl.c (redirect_edge_and_branch): Do simplify abnormal
+ edges resulting from computed jump
+
+Mon Dec 17 17:57:05 CET 2001 Jan Hubicka <jh@suse.cz>
+
+ * Makefile.in (cfgcleanup.o): Add cselib.h dependency.
+ * basic-block.h (CLEANUP_THREADING): New constant.
+ * cfgcleanup.c: Include cselib.h
+ (thread_jump, mark_effect): New functions.
+ (try_forward_edges): Do jump threading when asked for.
+ * jump.c (mark_modified_reg, save_regs, num_same_regs, modified_regs,
+ modified_mem, thread_jumps, rtx_equal_for-thread_p): Kill.
+ * rtl.h (thread_jumps, rtx_equal_for_thread_p): Kill.
+ * toplev.c (rest_of_compilation): Do now call thread_jumps; use
+ CLEANUP_THREAD instead.
+
+2001-12-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * sparc/linux.h (STARTFILE_SPEC): Fix typo in last change.
+
+2001-12-17 Tom Rix <trix@redhat.com>
+
+ * config/rs6000/rs6000.c (expand_block_move): Fix limits on max size
+ of bytes.
+
+2001-12-17 Richard Sandiford <rsandifo@redhat.com>
+
+ * target.h (asm_out.byte_op, asm_out.aligned_op, asm_out.unaligned_op,
+ asm_out.integer): New fields.
+ * target-def.h (TARGET_ASM_BYTE_OP, TARGET_ASM_ALIGNED_[HSDT]I_OP,
+ TARGET_ASM_UNALIGNED_[HSDT]I_OP, TARGET_ASM_INTEGER): New initializers.
+ (TARGET_ASM_ALIGNED_INT_OP, TARGET_ASM_UNALIGNED_INT_OP): Collect
+ the individual initializers together.
+ (TARGET_ASM_OUT): Add the new initializers.
+ * output.h (assemble_integer): Return bool.
+ (integer_asm_op): Declare.
+ (default_assemble_integer): Declare.
+ (assemble_aligned_integer): New interface to assemble_integer.
+ * varasm.c (integer_asm_op): New function to select pseudo-op.
+ (default_assemble_integer): Default implementation of asm_out.integer.
+ (assemble_integer): Use the new target hook. Split objects into
+ words or bytes if the target hook fails. Return bool.
+ * doc/tm.texi (ASM_OUTPUT_CHAR, ASM_OUTPUT_BYTE, ASM_OUTPUT_SHORT,
+ ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_OUTPUT_QUADRUPLE_INT,
+ UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
+ UNALIGNED_DOUBLE_INT_ASM_OP): Undocument.
+ Document new target hooks.
+
+ * defaults.h (ASM_OUTPUT_ADDR_VEC_ELT): Use integer_asm_op.
+ * dwarf2asm.c (unaligned_integer_asm_op): Remove.
+ (dw2_assemble_integer): New.
+ (dw2_asm_output_data, dw2_asm_output_delta, dw2_asm_output_offset,
+ dw2_asm_output_pcrel, dw2_asm_output_addr, dw2_asm_output_addr_rtx,
+ dw2_asm_output_encoded_addr_rtx): Use it.
+ (dw2_asm_output_nstring): Use assemble_integer for the null terminator.
+ (dw2_asm_output_data_uleb128, dw2_asm_output_data_sleb128): Use
+ integer_asm_op to get the byte pseudo-op. Use assemble_integer
+ if it returns NULL.
+ * dwarf2asm.h (dw2_assemble_integer): Declare.
+ * dwarfout.c: Include dwarf2asm.h. Use dwarf2 functions for the
+ default implementation of most macros.
+ (output_unsigned_leb128): Use dw2_asm_output_data.
+ (output_signed_leb128, dwarfout_source_line): Likewise.
+ (output_reg_number): Use dw2_assemble_integer.
+ (generate_macinfo_entry): Separate the type and offset arguments.
+ Use assemble_integer to write the value.
+ (dwarfout_start_source_file): Update generate_macinfo_entry usage.
+ (dwarfout_end_source_file, dwarfout_define, dwarfout_undef): Likewise.
+ * final.c (output_addr_const): Don't put brackets round a subtracted
+ symbol value or ".".
+ * halfpic.c (half_pic_finish): Use assemble_aligned_integer.
+
+ * config/1750a/1750a.c (assemble_integer_1750a): New,
+ * config/alpha/alpha.h (literal_section): Avoid ASM_OUTPUT_INT.
+ * config/arc/arc.c (arc_assemble_integer): New.
+ * config/arc/arc.h (TRAMPOLINE_TEMPLATE): Avoid ASM_OUTPUT_INT.
+ * config/arm/arm.c (arm_poke_function_name): Likewise.
+ (arm_assemble_integer): New, extracted from...
+ * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): ...here, now removed.
+ (ARM_TRAMPOLINE_TEMPLATE, ARM_FUNCTION_PROFILER): Avoid ASM_OUTPUT_INT.
+ (ARM_FUNCTION_PROFILER): Likewise.
+ * config/avr/avr-protos.h (asm_output_byte): Remove.
+ (asm_output_char, asm_output_short): Remove.
+ * config/avr/avr.c (avr_assemble_integer): New.
+ (asm_output_byte, asm_output_char, asm_output_short): Remove.
+ * config/clipper/clipper.h (ASM_LONG): Remove.
+ * config/dsp16xx/dsp16xx-protos.h (asm_output_long): Remove.
+ * config/dsp16xx/dsp16xx.c (asm_output_long): Remove.
+ * config/elxsi/elxsi.c (elxsi_assemble_integer): New.
+ * config/i370/i370.c (i370_hlasm_assemble_integer): New.
+ * config/i370/i370.h (TRAMPOLINE_TEMPLATE): Avoid ASM_OUTPUT_SHORT.
+ (ASM_BYTE, ASM_SHORT, ASM_LONG): Delete.
+ * config/i386/att.h, (ASM_OUTPUT_ASCII): Avoid ASM_BYTE_OP.
+ * config/i386/linux.h (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Use
+ ASM_LONG instead of UNALIGNED_INT_ASM_OP.
+ * config/i386/sco5.h (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Likewise.
+ (ASM_OUTPUT_ASCII): Avoid ASM_BYTE_OP.
+ * config/i386/sysv4.h (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Use
+ ASM_LONG instead of UNALIGNED_INT_ASM_OP.
+ * config/i860/fx2800.h (ASM_FILE_END): Avoid ASM_LONG.
+ * config/i860/i860.c (i860_output_function_epilogue): Likewise.
+ * config/i860/i860.h (TRAMPOLINE_TEMPLATE): Avoid ASM_OUTPUT_INT.
+ (ASM_SHORT, ASM_LONG): Undefine.
+ * config/i860/paragon.h (ASM_OUTPUT_ASCII): Avoid ASM_BYTE_OP.
+ * config/i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
+ * config/i960/i960.h (TRAMPOLINE_TEMPLATE): Avoid ASM_OUTPUT_INT.
+ * config/ia64/ia64.c (ia64_assemble_integer): New.
+ * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Use integer_asm_op.
+ (ASM_OUTPUT_DWARF_PCREL): Likewise.
+ * config/m68hc11/m68hc11.h (ASM_OUTPUT_DOUBLE, ASM_OUTPUT_FLOAT,
+ ASM_OUTPUT_ADDR_DIFF_ELT, ASM_OUTPUT_ADDR_VEC_ELT): Avoid ASM_LONG.
+ (ASM_SHORT, ASM_LONG): Remove.
+ * config/m68k/m68k.h (INT_OP_GROUP): New macro.
+ (INT_OP_STANDARD, INT_OP_DOT_WORD, INT_OP_NO_DOT, INT_OP_DC): New
+ macros, the allowed values for INT_OP_GROUP.
+ * config/m68k/amix.h (ASM_OUTPUT_ASCII): Avoid ASM_BYTE_OP
+ * config/m68k/atari.h (ASM_OUTPUT_ASCII): Likewise
+ * config/m68k/m68kelf.h (ASM_OUTPUT_ASCII): Likewise
+ * config/m68k/auxas.h (BYTE_ASM_OP, WORD_ASM_OP, LONG_ASM_OP): Remove.
+ (INT_OP_GROUP): Define to INT_OP_NO_DOT.
+ * config/m68k/dpx2.h (ASM_LONG): Undefine.
+ (INT_OP_GROUP): Define to INT_OP_DC.
+ * config/m68k/dpx2g.h (ASM_LONG): Undefine.
+ * config/m68k/hp320.h (INT_OP_GROUP): Define to INT_OP_NO_DOT.
+ * config/m68k/lynx.h (ASM_LONG): Undefine.
+ * config/m68k/dpx2g.h (ASM_LONG): Undefine.
+ * config/m68k/m68kelf.h (ASM_OUTPUT_ASCII): Avoid ASM_BYTE_OP.
+ * config/m68k/m68kv4.h (ASM_OUTPUT_ASCII): Likewise.
+ (TRAMPOLINE_TEMPLATE): Avoid ASM_OUTPUT_*.
+ * config/m68k/mot3300.h (INT_OP_GROUP): Define to INT_OP_STANDARD
+ for GAS and INT_OP_NO_DOT otherwise.
+ (ASM_CHAR, ASM_BYTE, ASM_SHORT, ASM_LONG): Remove.
+ (ASM_OUTPUT_LONG_DOUBLE, ASM_OUTPUT_DOUBLE, ASM_OUTPUT_FLOAT,
+ ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Avoid ASM_LONG.
+ (ASM_OUTPUT_ASCII): Avoid ASM_BYTE_OP.
+ * config/m68k/sgs.h (BYTE_ASM_OP, WORD_ASM_OP, LONG_ASM_OP): Remove.
+ (INT_OP_GROUP): Define to INT_OP_STANDARD.
+ (ASM_OUTPUT_LONG_DOUBLE, ASM_OUTPUT_DOUBLE, ASM_OUTPUT_FLOAT,
+ ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Avoid LONG_ASM_OP.
+ (ASM_OUTPUT_ASCII): Avoid BYTE_ASM_OP.
+ * config/m68k/tower-as.h (ASM_LONG): Remove.
+ (INT_OP_GROUP): Define to INT_OP_NO_DOT.
+ * config/m88k/m88k.c (output_tdesc): Avoid ASM_LONG.
+ * config/m88k/m88k.h (TRAMPOLINE_TEMPLATE): Avoid ASM_OUTPUT_INT.
+ (ASM_OUTPUT_DOUBLE, ASM_OUTPUT_FLOAT): Avoid ASM_LONG.
+ * config/mips/iris5.h (TARGET_IRIX5): Define.
+ * config/mips/mips.c (mips_assemble_integer): New.
+ * config/mips/sni-svr4.h (ASM_LONG): Undefine.
+ * config/mmix/mmix-protos.h (mmix_asm_output_double_int): Remove.
+ * config/mmix/mmix.c (mmix_assemble_integer): New.
+ (mmix_asm_output_double_int): Remove.
+ (mmix_print_operand): Call mmix_output_octa directly.
+ * config/mmix/mmix.h (ASM_LONG): Remove.
+ * config/ns32k/ns32k.h (TRAMPOLINE_TEMPLATE): Avoid ASM_OUTPUT_INT.
+ * config/pa/pa.c (pa_assemble_integer): New.
+ (pa_override_options): Only use aligned DI ops on 64-bit targets.
+ Only use the unaligned ops if TARGET_GAS.
+ * config/pdp11/pdp11.c (pdp11_assemble_integer): New.
+ * config/pdp11/pdp11.h (TRAMPOLINE_TEMPLATE): Avoid ASM_OUTPUT_SHORT.
+ * config/pj/pj.h (ASM_LONG): Undefine.
+ * config/rs6000/linux64.h (RELOCATABLE_NEEDS_FIXUP): Undefine.
+ * config/rs6000/rs6000.c (rs6000_assemble_integer): New, mostly
+ extracted from ASM_OUTPUT_INT in sysv4.h. Use in_text_section()
+ and in_toc_section() rather than the in_section variable.
+ (rs6000_override_options): Only use DI ops when TARGET_POWERPC64.
+ * config/rs6000/sysv4.h (TOC_SECTION_FUNCTION): Add in_toc_section().
+ (RELOCATABLE_NEEDS_FIXUP): Define.
+ * config/rs6000/xcoff.h (DOUBLE_INT_ASM_OP): Change space to tab.
+ * config/s390/linux.h (ASM_SHORT, ASM_LONG, ASM_QUAD): Remove.
+ (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Use integer_asm_op
+ to get the word directive.
+ (ASM_OUTPUT_ASCII): Avoid ASM_BYTE_OP.
+ * config/s390/s390.c (s390_assemble_integer): New.
+ * config/s390/s390.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Use
+ integer_asm_op to get the word directive.
+ * config/sparc/sol2.h (ASM_SHORT, ASM_LONG): Remove.
+ * config/sparc/sparc-protos.h (output_double_int): Remove.
+ * config/sparc/sparc.c (output_double_int): Move to...
+ (sparc_assemble_integer): ...this new function.
+ (sparc_override_options): Only use .uaxword if TARGET_ARCH64.
+ * config/sparc/sparc.h (ASM_SHORT, ASM_LONG, ASM_LONGLONG): Remove.
+ * config/sparc/sysv4.h (ASM_LONG): Remove.
+ (ASM_OUTPUT_LONG_DOUBLE, ASM_OUTPUT_DOUBLE, ASM_OUTPUT_FLOAT): Avoid
+ ASM_LONG.
+ * config/vax/vax.h (TRAMPOLINE_TEMPLATE): Use assemble_aligned_integer.
+ * config/we32k/we32k.h (TRAMPOLINE_TEMPLATE): Likewise.
+
+ * config/1750a/1750a.c, config/a29k/a29k.c, config/alpha/alpha.c,
+ config/arc/arc.c, config/arm/arm.c, config/avr/avr.c, config/c4x/c4x.c,
+ config/clipper/clipper.c, config/convex/convex.c, config/cris/cris.c,
+ config/d30v/d30v.c, config/dsp16xx/dsp16xx.c, config/elxsi/elxsi.c,
+ config/fr30/fr30.c, config/h8300/h8300.c, config/i370/i370.c,
+ config/i386/i386.c, config/i860/i860.c, config/i960/i960.c,
+ config/ia64/ia64.c, config/m32r/m32r.c, config/m68hc11/m68hc11.c,
+ config/m68k/m68k.c, config/m88k/m88k.c, config/mips/mips.c,
+ config/mmix/mmix.c, config/mn10200/mn10200.c, config/mn10300/mn10300.c,
+ config/ns32k/ns32k.c, config/pa/pa.c, config/pdp11/pdp11.c,
+ config/sh/sh.c, config/sparc/sparc.c, config/stormy16/stormy16.c,
+ config/v850/v850.c, config/vax/vax.c, config/we32k/we32k.c
+ (TARGET_ASM_BYTE_OP, TARGET_ASM_ALIGNED_HI_OP,
+ TARGET_ASM_ALIGNED_SI_OP, TARGET_ASM_ALIGNED_DI_OP,
+ TARGET_ASM_UNALIGNED_HI_OP, TARGET_ASM_UNALIGNED_SI_OP,
+ TARGET_ASM_UNALIGNED_DI_OP, TARGET_ASM_INTEGER): Redefine as
+ appropriate.
+
+ * config/defaults.h, config/darwin.h, config/elfos.h, config/svr3.h,
+ config/1750a/1750a.h, config/a29k/a29k.h, config/alpha/alpha.h,
+ config/arc/arc.h, config/arm/arm.h, config/avr/avr.h, config/c4x/c4x.h,
+ config/clipper/clipper.h, config/convex/convex.h, config/cris/cris.h,
+ config/d30v/d30v.h, config/dsp16xx/dsp16xx.h, config/elxsi/elxsi.h,
+ config/fr30/fr30.h, config/h8300/h8300.h, config/i370/i370.h,
+ config/i386/bsd.h, config/i386/djgpp.h, config/i386/i386.h,
+ config/i386/sco5.h, config/i386/sol2.h, config/i386/sun386.h,
+ config/i860/i860.h, config/i960/i960.h, config/ia64/ia64.h,
+ config/m32r/m32r.h, config/m68hc11/m68hc11.h, config/m68k/auxas.h,
+ config/m68k/dpx2.h, config/m68k/hp320.h, config/m68k/m68k.h,
+ config/m68k/mot3300.h, config/m68k/sgs.h, config/m68k/tower-as.h,
+ config/m88k/m88k.h, config/mcore/mcore-elf.h, config/mcore/mcore.h,
+ config/mips/iris5.h, config/mips/iris6.h, config/mips/mips.h,
+ config/mmix/mmix.h, config/mn10200/mn10200.h, config/mn10300/mn10300.h
+ config/ns32k/encore.h, config/ns32k/ns32k.h, config/pa/pa-64.h,
+ config/pa/pa.h, config/pdp11/pdp11.h, config/pj/pj.h,
+ config/romp/romp.h, config/rs6000/linux64.h, config/rs6000/rs6000.h,
+ config/rs6000/sysv4.h, config/rs6000/xcoff.h, config/s390/linux.h,
+ config/sh/sh.h, config/sparc/linux64.h, config/sparc/sol2.h,
+ config/sparc/sp64-elf.h, config/sparc/sparc.h, config/sparc/sysv4.h,
+ config/stormy16/stormy16.h, config/v850/v850.h, config/vax/vax.h,
+ config/we32k/we32k.h (ASM_OUTPUT_CHAR, ASM_OUTPUT_BYTE, ASM_BYTE_OP,
+ ASM_BYTE, ASM_OUTPUT_SHORT, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT,
+ UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
+ UNALIGNED_DOUBLE_INT_ASM_OP): Undefine, where defined.
+
+2001-12-17 Stan Shebs <shebs@apple.com>
+
+ * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Define.
+ (STACK_BOUNDARY): Remove definition.
+ (CPP_PREDEFINES): Define __POWERPC__.
+
+2001-12-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
+
+ * doc/c-tree.texi (Trees): Only refer to GCC.
+
+2001-12-17 Andreas Jaeger <aj@suse.de>
+
+ * c-common.def: Fix typo in comment.
+
+2001-12-16 David O'Brien <obrien@FreeBSD.org>
+
+ * config.gcc (sparc64-*-freebsd*): Add target.
+ * config/sparc/freebsd.h: New file.
+ * config/sparc/sparc.h (LIB_SPEC, LINK_SPEC): Don't define.
+ * config/sparc/sunos4.h (LIB_SPEC, LINK_SPEC): Define.
+ * config/sparc/sysv4.h (CPP_PREDEFINES): Undefine before defining.
+
+2001-12-16 Aldy Hernandez <aldyh@redhat.com>
+
+ * config/rs6000/rs6000.c (rs6000_legitimize_address): Force both
+ PLUS operands into registers for altivec mode.
+
+2001-12-16 Aldy Hernandez <aldyh@redhat.com>
+
+ * builtins.c (apply_args_size): Change regno to unsigned.
+
+2001-12-16 Aldy Hernandez <aldyh@redhat.com>
+
+ * config/rs6000/rs6000.h (FUNCTION_ARG_REGNO_P): Change
+ ALTIVEC_ARG_MAX_REG to ALTIVEC_ARG_NUM_REG.
+
+2001-12-16 Zack Weinberg <zack@codesourcery.com>
+
+ * c-typeck.c (error_init, pedwarn_init, warning_init): Call
+ gettext on argument before printing.
+
+ * fold-const.c (negate_expr): Always call fold on new
+ NEGATE_EXPR.
+
+2001-12-17 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-common.def (COMPOUND_LITERAL_EXPR): Contain a DECL_STMT, not
+ a DECL directly.
+ * c-common.h (COMPOUND_LITERAL_EXPR_DECL_STMT): New.
+ (COMPOUND_LITERAL_EXPR_DECL): Adjust definition.
+ * c-decl.c (build_compound_literal): Put the decl inside a
+ DECL_STMT.
+ * doc/c-tree.texi (COMPOUND_LITERAL_EXPR): Update documentation.
+ Fixes PR c/5105.
+
+2001-12-16 Aldy Hernandez <aldyh@redhat.com>
+
+ * config.gcc: Add powerpc-*-eabisimaltivec*.
+
+2001-12-16 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * c-common.c, c-common.h (back_end_hook): Remove.
+ * c-lang.c (finish_file): Remove back_end_hook.
+
+Sun Dec 16 13:13:01 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * expr.c (highest_pow2_factor, case INTEGER_CST): Fix error in
+ last change.
+
+2001-12-16 Richard Henderson <rth@redhat.com>
+
+ * toplev.c (parse_options_and_default_flags): Don't enable
+ flag_cprop_registers at -O1.
+
+2001-12-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * avr.c (avr_simplify_comparision_p, adjust_insn_length,
+ mask_one_bit_p, output_reload_insisf): Don't use the 'U' suffix.
+ * avr.h (reg_class): Likewise.
+ * avr.md: Likewise.
+ * mcore.c (try_constant_tricks, mcore_byte_offset,
+ mcore_halfword_offset): Likewise.
+ * sh.c (shl_sext_kind, gen_block_redirect, split_branches): Likewise.
+ * v850.c (not_power_of_two_operand): Likewise.
+
+ * clipper/clix.h (ASM_OUTPUT_ASCII): Avoid signed/unsigned
+ warnings.
+ * convex.h (ASM_OUTPUT_ASCII): Likewise.
+ * i370.h (ASM_OUTPUT_ASCII): Likewise.
+ * i386/att.h (ASM_OUTPUT_ASCII): Likewise.
+ * i386/i386-interix.h (ASM_OUTPUT_ASCII): Likewise.
+ * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
+ * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
+ * i386/sco5.h (ASM_OUTPUT_ASCII): Likewise.
+ * i386/sun386.h (ASM_OUTPUT_ASCII): Likewise.
+ * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
+ * i860/bsd.h (ASM_OUTPUT_ASCII): Likewise.
+ * m68k/3b1.h (ASM_OUTPUT_ASCII): Likewise.
+ * m68k/amix.h (ASM_OUTPUT_ASCII): Likewise.
+ * m68k/atari.h (ASM_OUTPUT_ASCII): Likewise.
+ * m68k/crds.h (ASM_OUTPUT_ASCII): Likewise.
+ * m68k/hp320.h (ASM_OUTPUT_ASCII): Likewise.
+ * m68k/m68kv4.h (ASM_OUTPUT_ASCII): Likewise.
+ * m68k/mot3300.h (ASM_OUTPUT_ASCII): Likewise.
+ * m68k/sgs.h (ASM_OUTPUT_ASCII): Likewise.
+ * m68k/tower-as.h (ASM_OUTPUT_ASCII): Likewise.
+ * mips/bsd-5.h (ASM_OUTPUT_ASCII): Likewise.
+ * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
+ * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
+ * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
+ * ns32k/encore.h (ASM_OUTPUT_ASCII): Likewise.
+ * vax/vaxv.h (ASM_OUTPUT_ASCII): Likewise.
+ * we32k/we32k.h (ASM_OUTPUT_ASCII): Likewise.
+
+ * i386/uwin.h (MD_STARTFILE_PREFIX): Avoid redefinition warnings.
+ * interix.h (TARGET_MEM_FUNCTIONS): Likewise.
+ * psos.h (CPP_PREDEFINES): Likewise.
+ * rs6000/linux64.h (ROUND_TYPE_ALIGN): Likewise.
+ * rs6000/xcoff.h (RS6000_MCOUNT, RS6000_ITRUNC, RS6000_UITRUNC,
+ ASM_OUTPUT_EXTERNAL): Likewise.
+ * sparc/liteelf.h (DWARF_DEBUGGING_INFO, DWARF2_DEBUGGING_INFO):
+ Likewise.
+ * sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): Likewise.
+ * sparc/sp86x-elf.h (DWARF_DEBUGGING_INFO, DWARF2_DEBUGGING_INFO):
+ Likewise.
+ * sparc/sunos4.h (SUNOS4_SHARED_LIBRARIES): Likewise.
+
+ * c-lex.c (lex_number): Use ISXDIGIT/hex_value.
+ * vax/xm-vms.h (FILE_NAME_NONDIRECTORY): Use ISUPPER/TOLOWER.
+ * fold-const.c (real_hex_to_f): Use hex_value.
+ * real.c (asctoeg): Use hex_value & ISXDIGIT.
+ * toplev.c (toplev_main): Call hex_init.
+ * tradcpp.c (main): Call hex_init.
+
+ * nextstep-protos.h: New file.
+ * nextstep.c: Include "rtl.h", "output.h" & "tm_p.h".
+ * nextstep.h (INCLUDE_DEFAULTS): Delete LOCAL_INCLUDE_DIR and
+ STANDARD_INCLUDE_DIR from the CROSS_COMPILE clause.
+ (nextstep_asm_out_constructor, nextstep_asm_out_destructor,
+ handle_pragma): Move prototypes to nextstep-protos.h.
+ * config.gcc (i[34567]86-next-*, m68k-next-nextstep2*,
+ m68k-next-nextstep[34]*): Append nextstep-protos.h to tm_p_file.
+
+2001-12-16 Craig Rodrigues <rodrigc@gcc.gnu.org>
+
+ PR other/3725
+ * configure.in: Add AC_SUBST(target_alias).
+ * configure: Regenerated.
+
+2001-12-15 Richard Henderson <rth@redhat.com>
+
+ * config/alpha/alpha.md (sibcall_osf_1_er): New.
+ (sibcall_value_osf_1_er): New.
+
+2001-12-15 Dan Nicolaescu <dann@ics.uci.edu>
+
+ * config/sparc/sparc.c (mems_ok_for_ldd_peep): Rename from
+ addrs_ok_for_ldd_peep_withmem; take MEMs as parameters, not
+ addrs; eliminate restriction of only using fp and sp as base
+ registers.
+ * config/sparc/sparc-protos.h: Update.
+ * config/sparc/sparc.md (movdi): Use TARGET_V9 not TARGET_ARCH64.
+ (*cmp_cc_set, *cmp_ccx_set64, *movdi_zero): New insns derived
+ from old define_peepholes.
+ Convert all the ldd/std peepholes to peephole2.
+
+2001-12-15 Ulrich Weigand <uweigand@de.ibm.com>
+
+ * s390.md (prologue, epilogue, *return_si, *return_di): New.
+ s390.c (find_unused_clobbered_reg, s390_frame_info,
+ save_fpr, restore_fpr, s390_emit_prologue, s390_emit_epilogue): New.
+ s390-protos.h (s390_emit_prologue, s390_emit_epilogue): Declare.
+ s390.c (s390_arg_frame_offset): Use s390_frame_info.
+ (leaf_function_flag, cur_is_leaf_function,
+ save_fprs, restore_fprs, force_const_mem_late): Remove.
+ (s390_function_prologue, s390_function_epilogue): Mostly remove.
+ s390.md (lit): New. Uses ...
+ s390.c (s390_output_constant_pool): ... this, so adapt and make global.
+ s390-protos.h (s390_output_constant_pool): Declare.
+ s390.md (load_multiple, store_multiple): Allow use after reload.
+ s390.c (load_multiple_operation, store_multiple_operation): Likewise.
+ s390.h (INCOMING_FRAME_SP_OFFSET): Define.
+ s390.h (CALL_REALLY_USED_REGISTERS): Define.
+ config/s390/linux64.h (CALL_USED_REGISTERS): Remove, now handled ...
+ s390.h (CONDITIONAL_REGISTER_USAGE): ... here.
+ s390.c (s390_sr_alias_set): New global variable, initialized ...
+ (override_options): ... here. New.
+ s390-protos.h (override_options): Declare.
+ s390.h (OVERRIDE_OPTIONS): Call it.
+ s390.c (s390_function_profiler): New.
+ s390-protos.h (s390_function_profiler): Declare.
+ s390.h (FUNCTION_PROFILER): Call it.
+ s390.c (s390_profile): Remove.
+
+ * s390.c (reg_used_in_mem_p): PC reload counts as memory access.
+ (addr_generation_dependency_p): Consider literal pool register loads.
+ (s390_adjust_priority): Do not schedule load_multiple.
+ s390.md (attribute "type"): Define some additional types.
+ (function_unit "integer"): Adapt.
+ (many insns): Adapt "type" attribute setting.
+
+ * s390.c (general_s_operand, s_imm_operand): New.
+ (s_operand): Remove old definition, call general_s_operand instead.
+ s390-protos.h (s_imm_operand): Declare.
+ s390.c (base_n_index_p, r_or_s_operand, r_or_s_or_im8_operand,
+ r_or_x_or_im16_operand, r_or_im8_operand): Remove.
+ s390-protos.h (r_or_s_operand, r_or_s_or_im8_operand,
+ r_or_x_or_im16_operand, r_or_im8_operand): Likewise.
+ s390.h (PREDICATE_CODES): Add s_imm_operand, remove r_or_s*_operand.
+ s390.md (many insns): Rework insn predicates.
+
+ * s390.c (legitimate_pic_operand_p, legitimate_constant_p): Accept all
+ non-symbolic constants. Reload will force them because of ...
+ (s390_preferred_reload_class): ... this. New.
+ s390-protos.h (s390_preferred_reload_class): Declare.
+ s390.h (PREFERRED_RELOAD_CLASS): Call it.
+ s390.md (movdi, movsi, movdf, movsf, *reload_la_64 splitters,
+ *reload_la_31 splitters): Handle constants after reload.
+ (many insns): no longer force all constants immediately.
+ s390.c (legitimate_reload_constant_p): New helper routine.
+ s390-protos.h (legitimate_reload_constant_p): Declare.
+ s390.c (print_operand): Clean up CONST_INT case, add CONST_DOUBLE case.
+
+ * s390.h (FIRST_PSEUDO_REGISTER, FRAME_POINTER_REGNUM,
+ HARD_FRAME_POINTER_REGNUM, REGISTER_NAMES): Add virtual frame pointer.
+ (CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS): Update.
+ (ELIMINABLE_REGS, INITIAL_ELIMINATION_OFFSET): Likewise.
+ (REGNO_OK_FOR_INDEX_P, REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
+ (DWARF_FRAME_REGISTERS): Define.
+ s390.c (regclass_map): Add virtual frame pointer.
+ (legitimate_la_operand_p): Allow use of virtual frame pointer.
+ s390.md (*la_ccclobber, *addaddr_ccclobber): New.
+ (addaddr, addsi_64): Delete.
+
+ * s390.h (HARD_REGNO_MODE_OK): Allow SImode and DImode values in
+ floating point registers.
+ (CLASS_CANNOT_CHANGE_MODE, CLASS_CANNOT_CHANGE_MODE_P): Define.
+ (ADDR_FP_REGS, GENERAL_FP_REGS): New register classes.
+ (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
+
+ * s390.md (movti): Replace multi-insn output with splitters.
+ (movdi_31, movdf_31): Likewise.
+ (movti_ss, movdi_ss, movsi_ss, movdf_ss, movsf_ss): New.
+ (movdi_lhi, movdi_lli, movdi_larl, movsi_lhi, movsi_lli): New.
+ (movdi_64, movdi_31, movsi, movdf_64, movdf_31): Adapt.
+ (movdf_soft_64, movdf_soft_31, movsf_soft): Remove.
+ (movsf_64, movsf_31): Remove, replace by ...
+ (movsf): ... this.
+ (movqi_64): Use lhi instead of llill.
+ (*movstrictqi, *movstricthi): Don't use (strict_low_part (mem)).
+
+ * s390.md (extendsidi2, *extendsidi2, extendhidi2, *extendhidi2,
+ extendqidi2, extendhisi2, *extendhisi2, extendqisi2,
+ extendqihi2 and associated splitters): Reworked.
+ (zero_extendsidi2, zero_extendsidi2, *zero_extendsidi2,
+ zero_extendhidi2, *zero_extendhidi2, zero_extendqidi2,
+ zero_extendqidi2, *zero_extendqidi2, zero_extendhisi2,
+ *zero_extendhisi2_64, zero_extendhisi2_31, zero_extendqisi2,
+ *zero_extendqisi2_64, *zero_extendqisi2_mem_31,
+ zero_extendqisi2_reg_31, zero_extendqihi2, *zero_extendqisi2_64,
+ zero_extendqihi2, zero_extendqihi2_64, zero_extendqihi2_31,
+ and associated splitters): Likewise.
+ (*sethighqisi, *sethighhisi, *sethighqidi_64, *sethighqidi_31
+ and associated splitters): New.
+ (truncdisi2, truncdihi2, truncdiqi2, truncsihi2, do_truncsihi2,
+ *truncsihi2_64, truncsiqi2, trunchiqi2): Remove.
+ (ashlhi3, ashrhi3, lshrhi3, abshi3): Remove.
+ s390.h (PROMOTE_PROTOTYPES): Remove.
+ config/s390/linux64.h (PROMOTE_PROTOTYPES): Likewise.
+
+ * s390.md (muldi3): Delete, use instead ...
+ (mulsidi3): ... this.
+ (*muldi3_64): Rename to muldi3.
+ (mulsi_6432): Fix template.
+ (divdi3, moddi3): Delete, replace by ...
+ (divmoddi4): ... this.
+ (divmodtidi3): Fix template.
+ (divmodtisi3): New.
+ (udivdi3, umoddi3): Delete, replace by ...
+ (udivmoddi4): ... this.
+ (udivmodtidi3): Fix template.
+ (divsi3, modsi3): Delete, replace by ...
+ (divmodsi4): ... this.
+ (divmoddisi3): Fix template.
+ (udivsi3, umodsi3): Adapt.
+
+ * s390.md (anddi3): Remove SS alternative, use instead ...
+ (anddi3_ss, anddi3_ss_inv): ... these.
+ (anddi3_ni): New.
+ (andsi3*, andhi3*, andqi3*): Likewise.
+ (iordi3): Remove SS alternative, use instead ...
+ (iordi3_ss, iordi3_ss_inv): ... these.
+ (iordi3_oi): New.
+ (iorsi3*, iorhi3*, iorqi3*): Likewise.
+ (iordi3_cc, iordi3_cconly, iorsi3_cc, iorsi3_cconly): New.
+ (xordi3): Remove SS alternative, use instead ...
+ (xordi3_ss, xordi3_ss_inv): ... these.
+ (xordi3_oi): New.
+ (xorsi3*, xorhi3*, xorqi3*): Likewise.
+ (xordi3_cc, xordi3_cconly, xorsi3_cc, xorsi3_cconly): New.
+ (one_cmpldi2, one_cmplsi2, one_cmplhi2, one_cmplqi2):
+ Expand to XOR with -1.
+ (*one_cmpldi2, *one_cmplsi2, *one_cmplhi2): Remove.
+ (cmpdi_tm): Delete, replace by ...
+ (cmpdi_tm_reg, cmpdi_tm_mem): ... these.
+ (cmpsi_cct): Delete, replace by ...
+ (cmpsi_tm_reg, cmpsi_tm_mem): ... these.
+ (cmpdi_tm2, cmpsi_tm2): Improve.
+ (cmphi_tm_sub, cmpqi_tm_sub, cmpqi_tm2, cmpqi_tm): New.
+ s390.c (s390_single_hi, s390_extract_hi,
+ s390_single_qi, s390_extract_qi): New helper routines.
+ s390-protos.h (s390_single_hi, s390_extract_hi,
+ s390_single_qi, s390_extract_qi): Declare.
+ s390.c (tmxx_operand, const1_operand): Remove.
+ s390-protos.h (tmxx_operand, const1_operand): Likewise.
+ s390.h (PREDICATE_CODES): Likewise.
+
+ * s390.md (sqrtdf2, sqrtsf2): New.
+
+ * s390.h (CRT_CALL_STATIC_FUNCTION): Define.
+ (check_and_change_labels): Remove section-change special case.
+
+ * s390.h (RETURN_ADDR_RTX): Fix use of __builtin_return_address
+ in leaf functions. Needs ...
+ (DYNAMIC_CHAIN_RTX): ... this. New.
+
+ * s390.c (emit_pic_move): Don't generate pseudos if no_new_pseudos.
+
+ * s390.md (movstrdix_64, movstrsix_31, movstrdi_64, movstrsi_31,
+ clrstrsi_64, clrstrsi_31, cmpstr_64, cmpstr_31): Do not clobber
+ input operands using a match_dup clause.
+ (movstrdi, movstrsi, clrstrdi, clrstrsi, cmpstrdi, cmpstrsi): Adapt.
+
+ * s390.md (floatdidf2, floatdisf2, floatsidf2, floatsidf2_ieee,
+ floatsisf2, floatsisf2_ieee): Add missing CC clobber.
+
+ * s390.md (floatsidf2_ibm): Use correct operand.
+
+ * s390.md (fixuns_truncdfdi2, fixuns_truncdfsi2, fix_truncdfsi2,
+ fixuns_truncsfdi2, fixuns_truncsfsi2, floatsidf2): Remove use of
+ non-portable constants.
+ s390.c (s390_gen_rtx_const_DI): New helper routine.
+ s390-protos.h (s390_gen_rtx_const_DI): Declare.
+
+ * s390.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Fix alignment.
+
+ * config/s390/linux.h (ASM_OUTPUT_SHORT, ASM_OUTPUT_CHAR,
+ ASM_OUTPUT_BYTE): Clean up assembly output.
+ (ASM_OUTPUT_SKIP, ASM_OUTPUT_ALIGN): Remove duplicate definitions.
+ (ASM_OUTPUT_ASCII): Remove.
+
+ * config/s390/t-linux (CRTSTUFF_T_CFLAGS_S): Define.
+
+2001-12-15 Zack Weinberg <zack@codesourcery.com>
+
+ * unwind-dw2-fde-glibc.c: #define _Unwind_Find_FDE to itself
+ before including unwind-dw2-fde.c, if we are not using the
+ special code in this file.
+
+2001-12-15 Richard Henderson <rth@redhat.com>
+
+ * config/alpha/alpha.h (TARGET_SWITCHES): Turn on
+ MASK_EXPLICIT_RELOCS if the assembler supports it.
+ * configure.in (HAVE_AS_EXPLICIT_RELOCS): New.
+ * configure, config.in: Rebuild.
+
+Sat Dec 15 17:53:03 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * calls.c (emit_call_1): If ECF_SP_DEPRESSED, pretend have adjusted
+ for rounded_stack_size.
+
+2001-12-15 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-typeck.c, config/i386/i386.h, config/mcore/mcore.h,
+ config/ns32k/ns32k.h, config/rs6000/sysv4.h, fold-const.c,
+ toplev.c, cppinit.c, cppmacro.c, gcc.c: Use "built-in" and
+ "bit-field" spellings in messages.
+ * po/gcc.pot: Regenerate.
+
+2001-12-15 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * gcc.c, config/fr30/fr30.c, config/v850/v850-c.c, toplev.c: Use
+ American spelling in messages.
+ * po/gcc.pot: Regenerate.
+
+2001-12-15 Kazu Hirata <kazu@hxi.com>
+
+ * config/h8300/h8300.md: Adjust whitespacing. Remove
+ constraints from expanders. Replace \@ with @.
+
+2001-12-15 Richard Earnshaw <rearnsha@arm.com>
+
+ * arm/unknown-elf.h (CPP_PREDEFINES): Add a suitable default.
+
+2001-12-15 Ulrich Weigand <uweigand@de.ibm.com>
+
+ * regrename.c (copyprop_hardreg_forward): Do not keep register
+ value data live across abnormal call or eh egdes.
+
+Sat Dec 15 08:29:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * expr.c (highest_pow2_factor, case INTEGER_CST): Return
+ BIGGEST_ALIGNMENT for 0.
+
+Sat Dec 15 14:13:03 CET 2001 Jan Hubicka <jh@suse.cz>
+
+ * predict.def (PRED_NORETURN): Make probabilities match reality.
+ (PRED_OPCODE_POSITIVE, PRED_OPCODE_NONEQUAL, PRED_ERROR_RETURN):
+ Likewise.
+
+2001-12-15 Jakub Jelinek <jakub@redhat.com>
+
+ * configure.in: Check for ld.
+ (HAVE_LD_EH_FRAME_HDR): Define if ld supports --eh-frame-hdr option.
+ * configure, config.in: Rebuilt.
+ * config.gcc: Add crtbeginT.o to extra_parts where needed.
+ * config/t-linux (LIB2ADDEH, LIB2ADDEHDEP): Use unwind-dw2-fde-glibc
+ frame unwinding on Linux.
+ * config/t-linux-gnulibc1 (LIB2ADDEH, LIB2ADDEHDEP): Use unwind-dw2-fde
+ frame unwinding.
+ * config/linux.h (STARTFILE_SPEC): Use crtbeginT.o for -static.
+ (LINK_EH_SPEC): Define.
+ * config/i386/gnu.h (STARTFILE_SPEC): Use crtbeginT.o for -static.
+ * config/ia64/linux.h (STARTFILE_SPEC, LINK_EH_SPEC): Define.
+ * config/ia64/fde-glibc.c (_Unwind_IteratePhdrCallback): Don't
+ iterate further if pc falls into current library, but fde was not
+ found.
+ * config/sparc/linux.h (STARTFILE_SPEC): Use crtbeginT.o for -static
+ if using glibc.
+ (LINK_EH_SPEC): Define.
+ * config/sparc/linux64.h (STARTFILE_SPEC32, STARTFILE_SPEC64):
+ Use crtbeginT.o for -static.
+ (LINK_EH_SPEC): Define.
+ * config/sparc/t-linux64 (EXTRA_MULTILIB_PARTS): Add crtbeginT.o.
+ * Makefile.in (crtbeginT.o): Add rule.
+ * gcc.c (init_gcc_specs): For -static-libgcc, use -lgcc -lgcc_eh.
+ If neither -static-libgcc nor -shared-libgcc is passed and -shared,
+ use -lgcc if LINK_EH_SPEC is defined and -lgcc_s -lgcc if not.
+ If none of the above switches are passed, use -lgcc -lgcc_eh.
+ (init_spec): If LINK_EH_SPEC is defined, prepend it to link_spec.
+ * mklibgcc.in: Don't include LIB2ADDEH objects into libgcc.a if
+ creating libgcc_s.so, put them into separate libgcc_eh.a instead.
+ * unwind-dw2-fde.c: Don't include any headers if this file
+ is included from other .c file.
+ * unwind-dw2-fde-glibc.c: New file.
+ * crtstuff.c (USE_PT_GNU_EH_FRAME, USE_EH_FRAME_REGISTRY): Define.
+ Use it instead of EH_FRAME_SECTION_NAME where appropriate.
+
+2001-12-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * builtins.c (expand_builtin_memcmp): Mark parameter with
+ ATTRIBUTE_UNUSED.
+ * cfgcleanup.c (insns_match_p): Likewise.
+ * regrename.c (mode_change_ok): Likewise.
+ * gcc.c (execute): Const-ify.
+
+2001-12-14 Aldy Hernandez <aldyh@redhat.com>
+
+ * c-parse.in (typename): Do not split attributes.
+ Remove unsupported attributes warning.
+
+ * c-decl.c (groktypename): Apply attributes.
+
+2001-12-14 Richard Henderson <rth@redhat.com>
+
+ * config/ia64/ia64.c (spill_restore_mem): Mark iterator
+ initialization as possibly dead.
+
+2001-12-14 Richard Henderson <rth@redhat.com>
+
+ * regrename.c (mode_change_ok): New.
+ (find_oldest_value_reg): Use it.
+
+2001-12-14 Richard Henderson <rth@redhat.com>
+
+ * regrename.c (struct value_data): Add max_value_regs.
+ (init_value_data): Initialize it.
+ (kill_value): Kill values that overlap the dying register.
+ (set_value_regno): New.
+ (kill_set_value, kill_autoinc_value, copy_value): Use it.
+ (copyprop_hardreg_forward_1): Kill earlyclobber operands
+ before looking at inputs.
+
+2001-12-14 David Edelsohn <edelsohn@gnu.org>
+
+ * config/rs6000/rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): Handle
+ DECL_WEAK for function descriptors.
+ * config/rs6000/xcoff.h (HANDLE_PRAGMA_WEAK): Define if assembler
+ weak support present.
+ (ASM_WEAKEN_LABEL): Same.
+
+2001-12-14 Kazu Hirata <kazu@hxi.com>
+
+ * config/h8300/h8300.md (anonymous pattern): Add a missing
+ mode.
+
+2001-12-14 Kazu Hirata <kazu@hxi.com>
+
+ * config/h8300/h8300.c (h8300_adjust_insn_length): Fix a
+ comment typo.
+
+2001-12-14 Kazu Hirata <kazu@hxi.com>
+
+ * config/h8300/h8300.c (h8300_handle_eightbit_data_attribute):
+ Remove the initialization requierment.
+ (h8300_handle_tiny_data_attribute): Likewise.
+
+2001-12-14 Kazu Hirata <kazu@hxi.com>
+
+ * config/h8300/h8300.md (udivqi3): Remove.
+ (divqi3): Likewise.
+ (udivhi3): Likewise.
+ (divhi3): Likewise.
+ (umodqi3): Likewise.
+ (modqi3): Likewise.
+ (umodhi3): Likewise.
+ (modhi3): Likewise.
+ (udivmodqi3): New.
+ (divmodqi3): Likewise.
+ (udivmodhi3): Likewise.
+ (divmodhi3): Likewise.
+
+Sat Dec 15 01:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
+
+ * cfgcleanup.c (flow_find_cross_jump): Replace tests for note
+ by active_insn_p; count conditional jump as instruction.
+
+2001-12-14 DJ Delorie <dj@redhat.com>
+ Danny Smith <dannysmith@users.sourceforge.net>
+
+ * config/i386/cygwin.h (I386_PE_STRIP_ENCODING): Handle '*'
+ at SYM_NAME[0] or SYM_NAME[3].
+ (STRIP_NAME_ENCODING): Don't check for leading '*'.
+
+2001-12-14 Ira Ruben <ira@apple.com>
+
+ Add -### option (displays driver-generated commands without
+ executing and quotes all arguments).
+ * doc/invoke.texi: Add -###.
+ * gcc.c (verbose_only_flag) - New flag.
+ * (execute): If -### write quoted arguments and return.
+ * (display_help): Print meaning of -###.
+ * (process_command): Handle -###.
+
+2001-12-14 Ira Ruben <ira@apple.com>
+
+ Fix to no allow -save-temps to clobber user's source file.
+ * gcc.c: Add static globals input_stat and input_stat_set.
+ (do_spec_1): For 'g', 'u', 'U' case with save_temps_flag
+ set, check that user's input file is not overwritten.
+ (set_input): Reset input_stat_set for each new file.
+
+Fri Dec 14 22:14:44 CET 2001 Jan Hubicka <jh@suse.cz>
+
+ * predict.c (estimate_probability): Fix LOOP_EXIT heuristic.
+
+2001-12-14 Zack Weinberg <zack@codesourcery.com>
+
+ * combine.c (record_dead_and_set_regs): Use
+ regs_invalidated_by_call. Don't note stores for CALL_INSNs.
+
+2001-12-14 Roger Sayle <roger@eyesopen.com>
+
+ * builtins.def: Rename BUILT_IN_FSQRT to BUILT_IN_SQRT and
+ __builtin_fsqrt to __builtin_sqrt.
+
+ * builtins.c (expand_builtin_mathfn,expand_builtin): Same.
+ * doc/extend.texi: Simplify documentation to match patch.
+
+Fri Dec 14 21:23:54 CET 2001 Jan Hubicka <jh@suse.cz>
+
+ * config.gcc: Revamp target_cpu_default2 to strings;
+ support new x86 variants.
+ * i386.c (override_options): Default x86_cpu_string and x86_arch_string
+ properly; set prefetch_sse.
+ * i386.h (x86_prefetch_sse): Declare.
+ (TARGET_PREFETCH_SSE): New.
+ (CPP_CPU_DEFAULT_SPEC): Define according to the new macros.
+ (TARGET_CPU_DEFAULT_*): New.
+
+Thu Dec 13 21:57:13 CET 2001 Janis Johnson <janis187@us.ibm.com>
+ Jan Hubicka <jh@suse.cz>
+
+ * config/i386/i386.h (struct processor_costs): Add new members
+ prefetch_block and simultaneous_prefetches.
+ (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): New.
+ * config/i386/i386.c (processor_costs structs): Add values for
+ prefetch_block and simultaneous_prefetches.
+ * config/i386/i386.md (unspec values): Remove values for prefetch
+ operations, which now use the PREFETCH rtx code.
+ (prefetch_sse, prefetch_3dnow, prefetchw): Combine to use new
+ unified prefetch support.
+
+2001-12-14 Jason Merrill <jason@redhat.com>
+
+ * diagnostic.c (sorry): Increment sorrycount before saving the
+ buffer state.
+
+Fri Dec 14 19:53:23 CET 2001 Jan Hubicka <jh@suse.cz>
+
+ * i386.md (sqrt?f): Fix conditionals.
+
+Fri Dec 14 07:29:52 2001 Douglas B. Rupp <rupp@gnat.com>
+
+ * config.gcc (alpha64-dec-*vms*): New case.
+ * config/alpha/t-vms64, config/alpha/vms-crt0-64.c: New files.
+ * config/alpha/vms-psxcrt0-64.c, config/alpha/vms64.h: Likewise.
+ * config/alpha/xm-vms64.h: Likewise.
+
+ * config/alpha/alpha.c (vms_attribute_table): Add new attributes.
+ (alpha_write_linkage): Test for null alpha_links.
+ (SECTION_VMS_GLOBAL, SECTION_VMS_INITIALIZE): New section attributes.
+ (vms_section_type_flags, vms_asm_named_section): Handle them.
+
+Fri Dec 14 12:05:14 CET 2001 Jan Hubicka <jh@suse.cz>
+
+ * i386.c (ix86_fpmath, ix86_fpmath_string): New.
+ (override_option): Set ix86_fpmath.
+ * i386.h (MASK_MIX_SSE_I387): Remove.
+ (TARGET_SSE_MATH): New.
+ (TARGET_MIX_SSE_I387): Use ix86_fpmath.
+ (TARGET_SWITCHES): Remove "mix-sse-i387".
+ (fpmath_unit): New enum.
+ (ix86_fpmath, ix86_fpmath_string): Declare.
+ * i386.md (swapsf): Fix condition.
+ (add?f, sub?f, mul?f, div?f, sqrt?f, min?f): Use TARGET_SSE_MATH.
+ (fp_?f_*_nosse): New.
+ (fp_*): Use TARGET_SSE_MATH.
+ * invoke.texi (-mfpmath): Document.
+ (-msse2): Add.
+
+2001-12-14 Jason Merrill <jason@redhat.com>
+
+ * dwarf2out.c (output_die): Print the string in the comment for
+ a DW_FORM_strp.
+
+2001-12-14 Richard Earnshaw <rearnsha@arm.com>
+
+ * netbsd.h (COLLECT_SHARED_INIT_FUNC)
+ (COLLECT_SHARD_FINI_FUNC): Remove redundant semicolon.
+ * doc/tm.texi (COLLECT_SHARED_INIT_FUNC)
+ (COLLECT_SHARD_FINI_FUNC): Use @code where appropriate.
+
+2001-12-13 Richard Henderson <rth@redhat.com>
+
+ * regrename.c (kill_value_regno): Simplify chain removal.
+ (kill_value): Kill all of HARD_REGNO_NREGS.
+ (kill_set_value): Use kill_value not kill_value_regno.
+ (kill_autoinc_value): Likewise.
+ (copyprop_hardreg_forward): Don't collect refresh_blocks.
+ Call delete_noop_moves.
+
+2001-12-13 Aldy Hernandez <aldyh@redhat.com>
+
+ * attribs.c (c_common_attribute_table): Swap decl_req and type_req
+ for the mode attribute.
+ (handle_mode_attribute): Handle types, not decls.
+
+2001-12-13 Jason Merrill <jason@redhat.com>
+
+ * c-common.h (COMPOUND_STMT_BODY_BLOCK): New macro.
+
+2001-12-13 Aldy Hernandez <aldyh@redhat.com>
+
+ * config/rs6000/rs6000.md (eh_set_lr_di): Change scratch
+ constraint to base register.
+ (eh_set_lr_si): Same.
+
+2001-12-13 Hans-Peter Nilsson <hp@axis.com>
+
+ * expr.c (expand_expr, case ADDR_EXPR): Don't honor
+ flag_force_addr for modifier != EXPAND_CONST_ADDRESS,
+ modifier != EXPAND_INITIALIZER and modifier != EXPAND_SUM.
+
+Thu Dec 13 20:30:08 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * expr.c (copy_blkmode_from_reg): Add missing braces to eliminate
+ warning and reformat comments.
+ (expand_assignment): Don't pass EXPAND_WRITE if LHS is component.
+ (highest_pow2_factor, case INTEGER_CST): Return BIGGEST_ALIGNMENT
+ if overflow.
+
+2001-12-12 Aldy Hernandez <aldyh@redhat.com>
+
+ * config/rs6000/rs6000.c (rs6000_override_options): Add
+ SUBSUBTARGET_OVERRIDE_OPTIONS.
+
+ * config/rs6000/eabialtivec.h: New file.
+
+ * config/rs6000/linuxaltivec.h: New file.
+
+ * config.gcc: Add powerpc-*-eabialtivec and
+ powerpc-*-linux-gnualtivec.
+
+2001-12-13 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * toplev.c (process_options, parse_options_and_default_flags):
+ Set flag_no_inline before the post_options hook.
+
+2001-12-13 Richard Henderson <rth@redhat.com>
+
+ * emit-rtl.c (adjust_address_1): Don't adjust address if adjust
+ is false.
+
+2001-12-13 Richard Earnshaw <rearnsha@arm.com>
+
+ * collect2.c (COLLECT_SHARED_INIT_FUNC)
+ (COLLECT_SHARD_FINI_FUNC): Define default values.
+ (write_c_file_stat): Use them to call construtor and destructor
+ functions in shared libraries.
+ * doc/tm.texi (COLLECT_SHARED_INIT_FUNC)
+ (COLLECT_SHARD_FINI_FUNC): Document them.
+ * config/netbsd.h (COLLECT_SHARED_INIT_FUNC)
+ (COLLECT_SHARD_FINI_FUNC): Define.
+
+ * config/netbsd.h (LINK_SPEC): Don't pull in estart if creating a
+ shared library. Pass -shared through to the linker.
+ * config/arm/netbsd.h (LINK_SPEC): Likewise.
+
+ * config/arm/t-netbsd (TARGET_LIBGCC2_CFLAGS): Add -fpic.
+ (SHLIB_EXT, SHLIB_NAME, SHLIB_SONAME, SHLIB_OBJS, SHLIB_LINK)
+ (SHLIB_INSTALL): Define.
+
+2001-12-13 Richard Earnshaw <rearnsha@arm.com>
+
+ * arm.c (legitimize_pic_address): Handle LABEL_REFs in substantially
+ the same way as we handle SYMBOL_REFS.
+
+Thu Dec 13 07:47:24 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * loop.c (remove_constant_addition): Fix prototype and whitespace.
+ (emit_prefetch_instructions): Remove warnings and whitespace
+ changes.
+
+Thu Dec 13 06:48:38 2001 Douglas B. Rupp <rupp@gnat.com>
+
+ * config/alpha/vms-cc.c (preprocess_args): Fix forward
+ declaration.
+
+Thu Dec 13 12:31:07 CET 2001 Jan Hubicka <jh@suse.cz>
+
+ * predict.c (estimate_probability): Reorganize opcode heuristics.
+ * predict.def (PRED_OPCODE_POSITIVE, PRED_OPCODE_NONEQUAL,
+ PRED_FPOPCODE): New.
+
+ * i386.c (override_options): Recognize various CPU variants and set
+ SSE/MMX/3dNOW flags accordingly.
+ * i386.h (MASK_MMX_SET, MASK_SSE_SET, MASK_SSE2_SET, MASK_3DNOW_SET,
+ MASK_3DNOW_A_SET): New.
+ (MASK_ACCUMULATE_OUTGOING_ARGS_SET): New.
+ (MASK_NO_ACCUMULATE_OUTGOING_ARGS): Delete.
+ (MASK_*): Renumber.
+ (TARGET_FLAGS): Use new masks.
+ (CPP_CPU_SPECS): Recognize new CPU variants.
+ * invoke.texi (-mcpu): Update documentation.
+
+ * flags.h (flag_prefetch_loop_arrays): Declare.
+ * loop.h (LOOP_PREFETCH): Define new constant.
+ * loop.c (strength_reduce): Call emit_prefetch_instructions.
+ (MAX_PREFETCHES, PREFETCH_BLOCKS_BEFORE_LOOP_MAX,
+ PREFETCH_BLOCKS_BEFORE_LOOP_MIN, PREFETCH_BLOCKS_IN_LOOP_MIN): New
+ constants.
+ (check_store_data): New structure.
+ (check_store, emit_prefetch_instructions, rtx_equal_for_prefetch_p):
+ New functions.
+ * toplev.c: Include insn-flags.h.
+ (flag_prefetch_loop_arrays): New global variable.
+ (lang_independent_option): Add -fprefetch-loop-arrays.
+ (rest_of_compilation) Pass LOOP_PREFETCH when flag_prefetch_loop_arrays
+ is set.
+ * Makefile.in (toplev.c): Depend on insn-flags.h.
+ * invoke.texi (-fprefetch-loop-arrays): Document.
+
+ * predict.c (estimate_probability): Distribute the loop exit
+ probability according to number of exit edges.
+
+ * cfgcleanup.c (insns_match_p): Break out from ...;
+ (flow_find_cross_jump): ... here;
+ (outgoing_edges_match): Add parameter MODE; attempt to match everything
+ except for tablejumps.
+ (try_crossjump_to_edge): Accept complex edges.
+ (try_crossjump_bb): Likewise.
+
+2001-11-29 Corey Minyard <minyard@acm.org>
+
+ * recog.c (validate_replace_rtx_1): Use simplify_gen_binary
+ instead of plus_constant.
+ * simplify-rtx.c (neg_const_int): New.
+ (simplify_gen_binary, simplify_plus_minus): Use it.
+
+2001-12-12 Roger Sayle <roger@eyesopen.com>
+
+ * builtins.c (expand_builtin_memset, expand_builtin_memcpy,
+ expand_builtin_strcpy): Additional arguments TARGET and MODE.
+ (expand_builtin_bzero, expand_builtin_strcpy,
+ expand_builtin_strncpy, expand_builtin_bzero): Pass additional
+ TARGET and MODE parameters to the above functions.
+ (expand_builtin_memset, expand_builtin_memcpy): Optimize the
+ case where the LEN parameter is constant zero.
+ (expand_builtin_memcmp): No longer conditional on
+ HAVE_cmpstrsi. Take an additional mode parameter. Optimize
+ the cases where len is either constant zero or one.
+ Optimize to call to memcpy, even if the memcpy isn't inlined.
+ (expand_builtin_strncpy): Optimize to call memcpy, even if the
+ memcpy isn't inlined.
+ (expand_builtin_strcmp, expand_builtin_strncmp): Always attempt
+ to optimize to a call to memcmp.
+ (expand_builtin): expand_builtin_memcmp can always be called,
+ and pass the required parameters to expand_builtin_memcmp,
+ expand_builtin_memset, expand_builtin_memcpy and
+ expand_builtin_strcpy.
+
+2001-12-12 David O'Brien <obrien@FreeBSD.org>
+
+ * config.gcc (arm-*-freebsd*): Add target.
+ * config/arm/freebsd.h: New file.
+ * config/arm/arm.h (CPP_PREDEFINES): Do not define.
+ (CPP_SPEC): #undef before defining.
+ (CPP_CPU_ARCH_SPEC): Add -Acpu=arm -Amachine=arm.
+ * config/arm/conix-elf.h (CPP_PREDEFINES): Remove -Acpu=arm
+ -Amachine=arm.
+ * config/arm/linux-elf.h: Likewise.
+ * config/arm/netbsd.h: Likewise.
+ * config/arm/riscix.h: Likewise.
+ * config/arm/riscix1-1.h: Likewise.
+ * config/arm/semiaof.h: Likewise.
+
+2001-12-12 Richard Henderson <rth@redhat.com>
+
+ * regrename.c (copyprop_hardreg_forward): New optimization.
+ (kill_value_regno, kill_value, init_value_data, kill_clobbered_value,
+ kill_set_value, kill_autoinc_value, copy_value, 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): New.
+ * rtl.h (copyprop_hardreg_forward): Declare.
+ * toplev.c (flag_cprop_registers): New.
+ (f_options): Add -fcprop-registers
+ (rest_of_compilation): Invoke it.
+ (parse_options_and_default_flags): Set it at -O1.
+ * doc/invoke.texi: Document it.
+
+2001-12-12 Jakub Jelinek <jakub@redhat.com>
+
+ * dwarf2out.c (dw_val_class): Add dw_val_class_range_list.
+ (DEBUG_RANGES_SECTION_LABEL): Define.
+ (ranges_section_label): Add.
+ (add_AT_range_list): New.
+ (print_die, sizeof_die, value_format): Handle dw_val_class_range_list.
+ (output_loc_list): Location expression length is always 2-byte.
+ (output_die): Handle dw_val_class_range_list.
+ (gen_lexical_block_die): Call add_AT_range_list.
+ (dwarf2out_init): Initialize ranges_section_label.
+ (dwarf2out_finish): Emit ranges_section_label.
+
+2001-12-12 Jakub Jelinek <jakub@redhat.com>
+
+ * c-typeck.c (digest_init): Allow initializing
+ static storage duration objects with compound literals.
+ * doc/extend.texi (Compound literals): Document the extension.
+
+2001-12-12 Richard Henderson <rth@redhat.com>
+
+ * emit-rtl.c (adjust_address_1): Always copy address to avoid
+ shared rtl.
+
+Wed Dec 12 07:37:52 2001 Olivier Hainque <hainque@act-europe.fr>
+
+ * stmt.c (expand_end_case): Do subtraction of lower bound as trees
+ to avoid overflow.
+
+Wed Dec 12 07:35:24 2001 Douglas B. Rupp <rupp@gnat.com>
+
+ * cppfiles.c (read_include_file): Set buffer size properly when
+ file is shorter than expected.
+
+Wed Dec 12 08:35:33 2001 Nicola Pero <n.pero@mi.flashnet.it>
+
+ * objc/objc-act.c (encode_complete_bitfield): Fixed encoding
+ enumeral types - encode them using 'i'.
+
+2001-12-12 Nathan Sidwell <nathan@codesourcery.com>
+
+ * doc/extend.texi (Deprecated Features): Deprecate implicit
+ typename. Document that named return and initializer lists are now
+ removed.
+
+2001-12-11 Roger Sayle <roger@eyesopen.com>
+
+ * except.c (reachable_next_level): Handle ERT_UNKNOWN to avoid
+ compiler warning about enumeration values not being handled.
+
+2001-12-11 Momchil Velikov <velco@fadata.bg>
+
+ * config/fp-bit.c (pack_d): Cast to ``fractype'' for long long
+ shifts.
+
+2001-12-11 Richard Henderson <rth@redhat.com>
+
+ * config/alpha/alpha.h (TARGET_FIXUP_EV5_PREFETCH): New.
+ * config/alpha/linux.h (TARGET_FIXUP_EV5_PREFETCH): New.
+ * config/alpha/alpha.md (prefetch): New.
+
+2001-12-11 Richard Henderson <rth@redhat.com>
+
+ * combine.c (simplify_and_const_int): Simplify (AND (PLUS X Y) C)
+ if C has only low bits set and doesn't intersect with X or Y.
+
+Tue Dec 11 23:58:39 EST 2001 John Wehle (john@feith.com)
+
+ * basic-block.h (flow_preorder_transversal_compute): Declare.
+ * cfganal.c (flow_preorder_transversal_compute): Implement.
+
+Tue Dec 11 23:54:27 EST 2001 John Wehle (john@feith.com)
+
+ * cfganal.c (flow_depth_first_order_compute): Always
+ increment dfsnum.
+
+2001-11-30 Alan Matsuoka <alanm@redhat.com>
+
+ * combine.c (combine_simplify_rtx) : Can't simplify
+ cases that use mode class MODE_CC.
+
+2001-12-11 Richard Henderson <rth@redhat.com>
+
+ * expmed.c (expand_divmod): Ignore sdiv_pow2_cheap for modes in
+ which there is no divide expander.
+
+2001-12-11 Richard Henderson <rth@redhat.com>
+
+ * except.c (sjlj_find_directly_reachable_regions): Don't
+ consider RNL_BLOCKED a directly reachable region.
+ (sjlj_assign_call_site_values): Trust directly_reachable.
+ (sjlj_emit_dispatch_table): Likewise.
+
+2001-12-11 Richard Henderson <rth@redhat.com>
+
+ * config/alpha/alpha.md (divmodsi_internal_er): Split, so that
+ we represent the address load's dependency on the gp.
+ (divmoddi_internal_er): Likewise.
+ (divmodsi_internal_er_1, divmoddi_internal_er_1): New.
+
+2001-12-11 Richard Henderson <rth@redhat.com>
+
+ * emit-rtl.c (widen_memory_access): New.
+ * expr.h (widen_memory_access): Declare it.
+ * config/alpha/alpha.c (get_aligned_mem): Use it.
+
+2001-12-11 Richard Henderson <rth@redhat.com>
+
+ * combine.c (simplify_shift_const): Move SHIFT_COUNT_TRUNCATED
+ simplification above out of range check.
+
+2001-12-11 Dan Nicolaescu <dann@ics.uci.edu>
+
+ * config/sparc/sparc.md (prefetch): New.
+
+2001-12-11 Aldy Hernandez <aldyh@redhat.com>
+
+ * output.h (regno_uninitialized): Make argument unsigned.
+
+ * flow.c (regno_uninitialized): Make regno unsigned.
+
+2001-12-11 David O'Brien <obrien@FreeBSD.org>
+
+ * elfos.h (ENDFILE_SPEC, STARTFILE_SPEC): Do not define.
+ * config/cris/cris.h (ENDFILE_SPEC): Define.
+ * config/i386/i386elf.h ((ENDFILE_SPEC, STARTFILE_SPEC): Define.
+ * config/pa/elf.h: Likewise.
+
+2001-12-11 Richard Henderson <rth@redhat.com>
+
+ * objc/objc-act.c (build_string_class_template): New.
+ (build_objc_string_object): Call it.
+
+2001-12-11 Steve Ellcey <sje@cup.hp.com>
+
+ * doc/tm.texi (FUNCTION_ARG_REG_LITTLE_ENDIAN): New.
+ * defaults.h (FUNCTION_ARG_REG_LITTLE_ENDIAN): New.
+ * calls.c (store_unaligned_arguments_into_pseudos): Check
+ FUNCTION_ARG_REG_LITTLE_ENDIAN to see how structures
+ are passed/returned.
+ * expr.c (move_block_from_reg): Ditto.
+ (move_block_from_reg): Ditto.
+ (copy_blkmode_from_reg): Ditto.
+ * stmt.c (expand_return): Ditto.
+ * stor-layout.c (compute_record_mode): If
+ FUNCTION_ARG_REG_LITTLE_ENDIAN is set then check
+ MEMBER_TYPE_FORCES_BLK even if mode == VOIDmode.
+ * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Set to true
+ so that Structures of one field are still treated as structures.
+ (FUNCTION_ARG_REG_LITTLE_ENDIAN): New, set it to true.
+ (FUNCTION_ARG_PADDING): Set to ia64_hpux_function_arg_padding().
+ (PAD_VARARGS_DOWN): Modify from default to not pad structures down.
+ * config/ia64/ia64-protos.h (ia64_hpux_function_arg_padding): New.
+ * config/ia64/ia64.c (ia64_hpux_function_arg_padding): New function
+ to special case handling of structure padding.
+
+2001-12-11 Daniel Berlin <dan@cgsoftware.com>
+
+ * sched-rgn.c (CONST_BASED_ADDRESS_P): CONST_INT -> CONSTANT_P.
+ (may_trap_exp): Stores only are risk if they trap, too, not just
+ if code == MEM.
+
+2001-12-11 Aldy Hernandez <aldyh@redhat.com>
+
+ * flow.c (find_regno_partial): Indent properly. Add a default to
+ switch.
+
+2001-12-11 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * c-common.c (combine_strings): Complain if concatenating
+ __FUNCTION__.
+ * c-parse.in (yylexname): Flag artificial strings.
+ * tree.h (TREE_ARTIFICIAL_STRING_P): New.
+doc:
+ * extend.texi: Update.
+
+2001-12-11 Aldy Hernandez <aldyh@redhat.com>
+
+ * c-common.c (type_for_mode): Handle unsigned vectors.
+ (type_for_mode): Remove redundant calls to TYPE_MODE.
+
+ * tree.c (make_vector): New.
+ (build_common_tree_nodes_2): Use make_vector for vector types.
+ Add unsigned vector types.
+
+ * tree.h (tree_index): Add unsigned types for vectors.
+ (unsigned_V16QI_type_node): New.
+ (unsigned_V4SI_type_node): New.
+ (unsigned_V8QI_type_node): New.
+ (unsigned_V8HI_type_node): New.
+ (unsigned_V4HI_type_node): New.
+ (unsigned_V2SI_type_node): New.
+
+2001-12-11 Stan Shebs <shebs@apple.com>
+
+ * objc/objc-act.c (finish_message_expr): Fix misplaced parens in a
+ test of class names.
+
+2001-12-11 David O'Brien <obrien@FreeBSD.org>
+
+ * config.gcc (m68020-*-elf*): Expand tm_file to include all needed
+ cpu configuration headers.
+ * config/h8300/elf.h: Include dbxelf.h.
+ * config/m68k/linux.h: Likewise.
+ * config/m68k/m68020-elf.h: Likewise.
+ * config/m68k/m68kv4.h: Likewise.
+ * config/sh/elf.h: Likewise.
+ * config/m68k/m68kemb.h: Add comment about the its purpose.
+
+2001-12-11 Richard Henderson <rth@redhat.com>
+
+ * objc/objc-act.c (build_constructor): Cast initializer values
+ to the proper field types.
+
+2001-12-11 Jakub Jelinek <jakub@redhat.com>
+
+ * unwind-dw2.c (execute_cfa_program): Fix DW_CFA_restore handling.
+
+2001-12-10 Roger Sayle <roger@eyesopen.com>
+
+ * builtins.c (expand_builtin): Use a switch statement to list
+ those functions not expanded without optimizations, instead of a
+ series of equality tests.
+
+Tue Dec 11 07:08:57 2001 Douglas B. Rupp <rupp@gnat.com>
+
+ * config/alpha/vms.h (LIB_SPEC): Define.
+ * config/alpha/xm-vms.h (INCLUDE_DEFAULTS): Don't set component field.
+
+ * libgcc2.c (_bb): Remove ctime declaration.
+
+ * Makefile.in (stage[1234]-start): $(LN_S) utilities in a manner
+ that works if LN_S = cp.
+
+ * config/alpha/x-vms (version): Change "." to "_".
+
+ * configure.in: Hardcode that vfork works on VMS host.
+ * configure: Regenerated.
+
+Mon Dec 10 18:37:31 2001 Douglas B. Rupp <rupp@gnat.com>
+
+ * gcc.c (convert_filename): Add do_obj parameter. Don't convert
+ unless do_obj true.
+ (process_command): Modify calls to convert_filename.
+
+2001-12-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
+
+ * config/sparc/sol2-sld-64.h: Include dbxelf.h again.
+
+Mon Dec 10 15:54:27 2001 Jeffrey A Law (law@cygnus.com)
+
+ * combine.c (known_cond): Check mode of each operand to determine
+ if COND is comparing floating point values.
+
+2001-12-10 David Edelsohn <edelsohn@gnu.org>
+
+ * rs6000.h (processor_type): Add PPC405.
+ (RTX_COSTS): Add PPC405. Correct rs64 and ppc630 multiply costs.
+ * rs6000.md: Add PPC405 information. Utilize imul2 and imul3 for
+ rios1, rs64, and ppc630 processors.
+ * rs6000.c (processor_target_table): Add PPC405.
+
+2001-12-10 Richard Henderson <rth@redhat.com>
+
+ * config/alpha/alpha.md (unaligned_extendhidi): Call gen_lowpart
+ instead of hardcoding subregs into the _be and _le patterns.
+
+2001-12-10 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * c-lex.c, c-parse.in, c-typeck.c: Revert concatenation changes.
+
+Mon Dec 10 09:19:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * config/i386/i386.md (leave, leave_rex64): Adjust pattern to match
+ what insn does.
+
+2001-12-10 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * doc/cpp.texi: Don't condition menus on @ifinfo. Condition the
+ copyright notice formerly conditioned on @ifinfo on @ifnottex
+ instead.
+
+Mon Dec 10 06:15:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * vmsdbgout.c (lookup_filename): Remove warning.
+
+Mon Dec 10 06:09:57 2001 Douglas B. Rupp <rupp@gnat.com>
+
+ * Makefile.in: Add $(OUTPUT_OPTION) to compilation rules.
+
+ * config.gcc (alpha*-dec-vms*): Change to alpha*-dec-*vms*
+ (exeext, target_alias, prefix, local_prefix): Define.
+ * config/alpha/x-vms (USE_COLLECT2): Make empty.
+ * config/alpha/xm-vms.h (INCLUDE_DEFAULTS): Use Unix style
+ file specifications. Remove ".".
+ (GCC_INCLUDE_DIR): Remove redefinition (redundant).
+ * fixinc/mkfixinc.sh (alpha*-dec-vms*): Change to alpha*-dec-*vms*
+
+2001-12-09 Nathan Sidwell <nathan@codesourcery.com>
+
+ * Makefile.in (.po.gmo): Use POSIXLY_CORRECT argument ordering.
+
+Sun Dec 9 21:57:24 2001 Douglas B. Rupp <rupp@gnat.com>
+
+ * config/alpha/t-vms (EXTRA_PARTS): Append $(VMS_EXTRA_PARTS)
+ Add rules for building [vp]crt0.o
+ * config/alpha/vms.h (START_FILE_SPEC): Define.
+ * config/alpha/x-vms (VMS_EXTRA_PARTS): Define
+ * config/alpha/vms-crt0.c, config/alpha/vms-psxcrt0.c: New files.
+ * doc/invoke.texi: Document special Alpha/VMS options.
+
+Sun Dec 9 20:25:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * hwint.h (HOST_BITS_PER_LONGLONG): Deal with __int64 type.
+ * vmsdbg.h (DST_SRC_COMMAND): Test for type of long long or __int64,
+ not GNUC.
+
+Sun Dec 9 20:19:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+ Douglas B. Rupp <rupp@gnat.com>
+
+ * tree.c (append_random_char): Conditionalize INO for VMS.
+
+2001-12-09 Richard Henderson <rth@redhat.com>
+
+ * cfgcleanup.c (label_is_jump_target_p): New function.
+ (try_optimize_cfg): Use label_is_jump_target_p to check if label is
+ target of a JUMP_INSN from the preceding block.
+
+Sun Dec 9 18:40:07 2001 Douglas B. Rupp <rupp@gnat.com>
+
+ * vmsdbgout.c (lookup_filename): Assign null string instead
+ of null pointer to fnam.
+
+2001-12-09 Richard Henderson <rth@redhat.com>
+
+ * config/alpha/alpha.c (alpha_align_insns): Suppress realignment
+ immediately after a call; insert nops before a call.
+
+2001-12-09 Richard Henderson <rth@redhat.com>
+
+ * config/alpha/alpha.c (alpha_align_insns): Use align_functions,
+ not FUNCTION_BOUNDARY.
+ * config/alpha/alpha.h (TRAMPOLINE_ALIGNMENT): New.
+ * config/alpha/alpha32.h, config/alpha/vms.h: Likewise.
+ * config/alpha/unicosmk.h (FUNCTION_BOUNDARY): Remove.
+
+2001-12-09 Hans-Peter Nilsson <hp@bitrange.com>
+
+ * config/mmix/mmix.c (mmix_function_block_profiler,
+ mmix_block_profiler, mmix_function_block_profiler_exit): Delete
+ unused functions.
+ * config/mmix/mmix-protos.h (mmix_function_block_profiler,
+ mmix_block_profiler, mmix_function_block_profiler_exit): Delete
+ prototypes.
+
+ * config/cris/cris.h (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER):
+ Delete obsoleted macros.
+
+2001-12-09 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * doc/cpp.texi, doc/cppinternals.texi, doc/invoke.texi,
+ doc/md.texi, doc/rtl.texi, doc/tm.texi: Use American spelling.
+
+ * ChangeLog.2, ChangeLog.3, ChangeLog.5, ChangeLog, alias.c,
+ cfgbuild.c, expmed.c, expr.c, final.c, flow.c, fold-const.c,
+ function.c, config/alpha/alpha.md, config/alpha/vms-ld.c,
+ config/arm/arm.c, config/arm/arm.h, config/c4x/libgcc.S,
+ config/i370/i370.c, config/i386/i386.c,
+ config/i386/i386-interix.h, config/i386/i386.md,
+ config/i386/i386.h, config/i386/netbsd-elf.h, config/ia64/ia64.c,
+ config/m32r/m32r-protos.h, config/mcore/mcore.h,
+ config/rs6000/rs6000.h, config/sparc/linux64.h,
+ config/sparc/sparc.c, config/v850/v850-protos.h,
+ config/cris/cris.h, config/s390/s390.md, config/elfos.h: Fix
+ spelling errors.
+
+2001-12-09 Daniel Berlin <dan@cgsoftware.com>
+
+ * config/rs6000/rs6000.h (enum rs6000_builtins): Add remaining
+ altivec builtins (VCF?X, VCT?XS, VSEL, V*EFP, VRFI*).
+
+ * config/rs6000/rs6000.c: Ditto.
+
+ * config/rs6000/rs6000.md: Ditto.
+
+2001-12-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * 1750a.md: Add default case in switch.
+ * alpha/vms.h (INITIAL_ELIMINATION_OFFSET): Add abort clause in
+ if-else statement.
+ * dsp16xx.c (print_operand_address): Likewise.
+ * i386/osf1elf.h (FUNCTION_PROFILER): Const-ify.
+ * ia64.md: Add missing braces.
+ * rs6000-protos.h (s8bit_cint_operand): Prototype.
+ * s390.h (INITIAL_ELIMINATION_OFFSET): Add abort clause in
+ if-else statement.
+ * stormy16.h (REG_CLASS_CONTENTS): Add missing braces.
+ * v850.h (OUTPUT_ADDR_CONST_EXTRA): Don't issue a `return'.
+ * dbxout.c (dbxout_source_file): Move a variable into the scope
+ where it is used.
+ * final.c (profile_function): Mark parameter with
+ ATTRIBUTE_UNUSED.
+ * genemit.c (gen_expand): Likewise for generated file.
+ * insn-addr.h (INSN_ADDRESSES_NEW): Avoid undefined behavior.
+
+ * vmsdbg.h: Delete spurious close-comment.
+ (DST_HEADER): Fix typo in ENUM_BITFIELD parameter.
+ * vmsdbgout.c (write_modbeg): Define return type.
+
+ * m68k/3b1.h (ASM_OUTPUT_ALIGN): Wrap in do-while(0).
+ * m68k/amix.h (ASM_GENERATE_INTERNAL_LABEL): Likewise.
+ * m68k/atari.h (ASM_GENERATE_INTERNAL_LABEL): Likewise.
+ * m68k/hp320.h (ASM_OUTPUT_ALIGN): Likewise.
+ * m68k/m68kelf.h (ASM_OUTPUT_ALIGN): Likewise.
+ * m68k/sgs.h (ASM_OUTPUT_ALIGN): Likewise.
+ * m68k/tower-as.h (ASM_OUTPUT_ALIGN): Likewise.
+
+2001-12-08 Tom Rix <trix@redhat.com>
+
+ * config/rs6000/aix43.h (NON_POWERPC_MASKS): Delete MASK_STRING.
+ * config/rs6000/aix51.h (NON_POWERPC_MASKS): Same.
+ * config/rs6000/rs6000.md (load_multiple, store_multiple): Do not use
+ for powerpc64.
+ * config/rs6000/rs6000.md (movstrsi_8reg, movstrsi_6reg,
+ movstrsi_4reg, movstrsi_1_reg): Add powerpc64.
+ * config/rs6000/rs6000.c (expand_block_move): Do not use
+ gen_movstrsi_2reg and powerpc64.
+
+2001-10-08 Aldy Hernandez <aldyh@redhat.com>
+
+ * c-common.h (rid): Add RID_CHOOSE_EXPR and
+ RID_TYPES_COMPATIBLE_P.
+
+ * c-parse.in (reswords): Add __builtin_choose_expr.
+ Add __builtin_types_compatible_p.
+ Add CHOOSE_EXPR token.
+ Add TYPES_COMPATIBLE_P token.
+ Add production for CHOOSE_EXPR.
+ Add production for TYPES_COMPATIBLE_P.
+
+ * doc/extend.texi (__builtin_choose_expr): Add documentation.
+ (__builtin_types_compatible_p): Likewise.
+
+2001-12-08 David Edelsohn <edelsohn@gnu.org>
+
+ * stor-layout.c (place_union_field): Apply ADJUST_FIELD_ALIGN
+ to unions.
+
+2001-12-08 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * c-parse.in: Take string literals in assembler constructs,
+ not expressions.
+ * c-typeck.c (build_asm_stmt, simple_asm_stmt): No need to
+ check the strings are STRING_CSTs.
+
+2001-12-08 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * c-lex.c (c_lex): Peek a token ahead for a string to concatenate,
+ using combine_strings to do the concatenation.
+ * c-parse.in: Replace uses of the string non-terminal with STRING.
+ Don't attempt string concatenation.
+ (OBJC_STRING): New terminal.
+ (string): Remove non-terminal.
+ (_yylex): Call combine_strings on function names. Generate
+ OBJC_STRING terminals; don't pass '@' on to yacc.
+ * c-typeck.c (simple_asm_stmt): Don't concatenate strings here.
+ (build_asm_stmt): Similarly.
+
+2001-12-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * rtlanal.c (get_jump_table_offset): Delete unused variable.
+
+2001-12-08 Richard Earnshaw <rearnsha@arm.com>
+
+ * arm.md (VUNSPEC_PREFETCH): Delete constant definition.
+ (prefetch): Rewrite using PREFETCH RTL primitive.
+ * arm.h (arm_builtins): Delete ARM_BUILTIN_PREFETCH).
+ * arm.c (arm_init_builtins): Don't initialize a builtin for
+ __builtin_prefetch here.
+ (arm_expand_builtin): Don't expand __builtin_prefetch here.
+
+2001-12-08 Richard Earnshaw <rearnsha@arm.com>
+
+ * final.c (cleanup_subreg_operands): Use recog_data.operand_loc
+ in test for a subreg.
+
+2001-12-08 John David Anglin <dave@hiauly1.hia.nrc.ca>
+
+ * rtl.c (rtx_equal_p): Check for null pointers when comparing rtx
+ strings.
+
+2001-12-07 Richard Henderson <rth@redhat.com>
+
+ * doc/extend.texi: Fix typo last change.
+
+ * c-decl.c (c_language): Remove duplicate.
+
+2001-12-07 Dale Johannesen <dalej@apple.com>
+
+ * config/rs6000/darwin.h: Set MAX_LONG_TYPE_SIZE to 32.
+ * config/rs6000/rs6000.c (rs6000_emit_move): In Darwin-
+ specific codegen, eliminate a register copy.
+ (print_operand_address): Add support for Darwin's lo16(constant)
+ syntax.
+ (rs6000_machopic_legitimize_pic_address): Fix darwin-specific
+ generation of addresses within very large data objects.
+ (s8bit_cint_operand): New.
+ * config/rs6000/rs6000.md: Remove "iu" reference for 750/7400.
+ Move "mtjmpr" to correct functional unit for 750/7400/7450.
+ Add imul2 and imul3 insn types for multiplication by 16- and
+ 8-bit constants.
+ Change tablejump patterns to strongly discourage using LR
+ rather than CTR.
+ Add %lo16 patterns for Darwin loads and stores.
+
+2001-12-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * alpha.md: Use (HOST_WIDE_INT)1<<63 in lieu of 0x8000000000000000.
+
+2001-12-07 Stephane Carrez <Stephane.Carrez@sun.com>
+
+ * config/sparc/sparc.c (epilogue_renumber): Do not replace %fp
+ with %sp because it can cause the delayed instruction to load
+ below the stack.
+
+2001-12-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * alpha.c (alpha_expand_unaligned_store,
+ alpha_expand_unaligned_store_words): Use constm1_rtx in place of
+ call to immed_double_const.
+
+2001-12-07 Aldy Hernandez <aldyh@redhat.com>
+
+ * doc/extend.texi (Variable Attributes): Document vector_size.
+
+ * attribs.c (c_common_attribute_table): Add vector_size.
+ (handle_vector_size_attribute): New.
+ (vector_size_helper): New.
+ (decl_attributes): Relayout the decl after calculating attribs.
+
+2001-12-07 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * doc/gcc.texi: Don't include install-old.texi. Adjust menu
+ description for Trouble section.
+ * doc/install-old.texi: Adjust for inclusion as chapter of new
+ installation manual.
+ * doc/install.texi, doc/include/fdl.texi, doc/install.texi2html:
+ Adjust to include old installation chapter as chapter of new
+ installation manual.
+
+Fri Dec 7 11:07:35 EST 2001 John Wehle (john@feith.com)
+
+ * rtl.h (get_jump_table_offset): Declare.
+ * rtlanal.c (get_jump_table_offset): Implement.
+
+Fri Dec 7 07:06:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * final.c (bb_head, bb_tail, bb_file_label_num, bb_func_label_num):
+ Deleted; were used only by BB profiler code.
+ (sbb_head, sbb_tail, sbb_label_num): Likewise.
+ (end_final): Delete now-unused vars I, PTR, and SPTR.
+
+ * expr.c (store_field): Remove warning.
+ (expand_expr, case COMPONENT_REF, case VIEW_CONVERT_EXPR): Likewise.
+ (highest_pow2_factor, case MIN_EXPR, case MAX_EXPR): Add cases.
+ (highest_pow2_factor, case *_DIV_EXPR): Only can do something if
+ divisor constant power of 2.
+ (highest_pow2_factor, case COMPOUND_EXPR): Look at operand 1.
+
+2001-12-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * alpha.c (function_arg): Cast value to HOST_WIDE_INT before
+ shifting.
+
+2001-12-06 Aldy Hernandez <aldyh@redhat.com>
+
+ * rs6000.h (PRE_GCC3_DWARF_FRAME_REGISTERS): New.
+ (DWARF_FRAME_REGISTERS): Delete.
+
+2001-12-06 Janis Johnson <janis187@us.ibm.com>
+
+ * builtin-types.def (BT_FN_VOID_PTR_VAR): New.
+ * builtins.def (BUILT_IN_PREFETCH): Change arguments.
+ * builtins.c (expand_builtin_prefetch): Two arguments are now optional,
+ with defaults for read prefetch with high degree of locality.
+ * doc/extend.texi (__builtin_prefetch): Update documentation.
+ * doc/md.texi (prefetch): Add documentation.
+
+2001-12-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
+
+ * fixinc/inclhack.def (stdio_va_list): Handle __VA_LIST__ in Tru64
+ UNIX V5.1A stdio.h.
+ * fixinc/fixincl.x: Regenerate.
+ Fixes PR libf2c/4826.
+
+2001-12-06 Aldy Hernandez <aldyh@redhat.com>
+ Richard Henderson <rth@redhat.com>
+
+ * doc/tm.texi (DWARF_FRAME_REGISTERS): Add documentation.
+ (PRE_GCC3_DWARF_FRAME_REGISTERS): Same.
+
+ * unwind-dw2.c (__frame_state_for): Change DWARF_FRAME_REGISTERS
+ to PRE_GCC3_DWARF_FRAME_REGISTERS.
+ (frame_state): Same.
+ (PRE_GCC3_DWARF_FRAME_REGISTERS): Define if not already defined.
+
+2001-12-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * langhooks.c (lhd_staticp): Mark parameter with
+ ATTRIBUTE_UNUSED.
+
+2001-12-06 H.J. Lu <hjl@gnu.org>
+
+ * Makefile.in (.po.gmo): Use "-test -d po || mkdir po" to
+ reduce noise.
+ (.po.pox): Likewise.
+ (o/$(PACKAGE).pot): Likewise.
+
+2001-12-06 Alexandre Oliva <aoliva@redhat.com>
+
+ * tree.c (get_callee_fndecl): Move DECL_ABSTRACT_ORIGIN-following...
+ * tree-inline.c (expand_call_inline): ... here.
+
+2001-12-06 H.J. Lu <hjl@gnu.org>
+
+ * Makefile.in (.po.gmo): Use "-mkdir po" for parallel build.
+ (.po.pox): Likewise.
+ (o/$(PACKAGE).pot): Likewise.
+
+2001-12-06 David O'Brien <obrien@FreeBSD.org>
+
+ * config.gcc: Include dbxelf.h before elfos.h.
+ * elfos.h: Don't include dbxelf.h, let config.gcc handle it.
+
+2001-12-06 Zack Weinberg <zack@codesourcery.com>
+
+ * cppfiles.c (open_file): If we've opened a directory by
+ mistake, close it.
+ (find_include_file): Avoid turning / into // or // into ///.
+
+2001-12-06 Nick Clifton <nickc@cambridge.redhat.com>
+
+ * config/arm/arm.h (STRUCT_VALUE): Suppress definition.
+ (STRUCT_VALUE_REGNUM): Restore definition.
+
+2001-12-06 Andrew MacLeod <amacleod@redhat.com>
+
+ * flow.c (find_regno_partial): Return register, not the expression
+ the register is in.
+
+Thu Dec 6 09:24:12 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * function.c (handle_epilogue_set): Check for FP setting case when
+ SP is set from FP in same insn.
+
+2001-12-06 Nick Clifton <nickc@cambridge.redhat.com>
+
+ * config/arm/arm.c (load_multiple_sequence): Pass pointer to
+ RTX when calling alter_subreg().
+ (store_multiple_sequence): Pass pointer to RTX when calling
+ alter_subreg().
+
+Thu Dec 6 06:55:13 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * function.c (assing_parms): Fix typo in last change.
+ * config/clipper.c (clipper_builtin_saveregs): Remove Checker code.
+ * config/m88k/m88k.c (m88k_builtin_saveregs): Likewise.
+ * config/pa/pa.c (hppa_builtin_saveregs): Likewise.
+ * config/sparc/sparc.c (sparc_builtin_saveregs): Likewise.
+
+2001-12-06 Alan Modra <amodra@bigpond.net.au>
+
+ * config/rs6000/rs6000.c (rs6000_unique_section): Simplify and
+ correct code selecting section.
+
+Thu Dec 6 12:45:33 CET 2001 Jan Hubicka <jh@suse.cz>
+
+ * final.c (count_basic_block, add_bb, add_bb_string):
+ Kill.
+ (end_final, final_start_function, final, final_scan_insn,
+ leaf_function_p): Kill BB profiler related code.
+ * flags.h (profile_block_flag): Kill.
+ * libgcc2.c (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE,
+ BB_BUCKETS, BBINBUFSIZE, bb_edge, bb_func_mode, bb_func,
+ __bb, bb_src, bb_dst, bb_tracefile, bb_hashbuckets,
+ bb_func_head, bb_callcount, bb_mode, bb_stack, bb_stacksize
+ reported, GOPENDECOMPRESS, GOPENCOMPRESS, gopen, gclose,
+ __bb_exit_trace_func, __bb_init_prg, __bb_trace_func,
+ __bb_trace_func_ret, __bb_init_file, __bb_trace_ret,
+ __bb_init_trace_func): Kill.
+ * toplev.c (profile_block_flag): Kill.
+ (indepdendent_decode_option, process_options): Kill -a related code.
+ * alpha.c (direct_call_operand): Likewise.
+ * arm.c (arm_expand_prologue, thumb_expand_prologue,
+ thumb_expand_epilogue): Likewise.
+ * c4x.c (c4x_expand_prologue, c4x_null_epilogue_p): Likewise.
+ * c4x.h (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER,
+ FUNCTION_BLOCK_PROFILER_EXIT, MACHINE_STATE_SAVE,
+ MACHINE_STATE_RESTORE): Kill.
+ * d30v.h (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER,
+ FUNCTION_BLOCK_PROFILER_EXIT, MACHINE_STATE_SAVE,
+ MACHINE_STATE_RESTORE): Kill.
+ * fr30.c (fr30_expand_prologue): Kill BB profiler related code.
+ * i386.c (ix86_can_use_return_insn_p, ix86_expand_prologue,
+ ix86_expand_epilogue, ix86_expand_epilogue): Kill BB profiler related
+ code.
+ (ix86_output_function_block_profiler, ix86_output_block_profiler): Kill.
+ * i386.h (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER,
+ FUNCTION_BLOCK_PROFILER_EXIT, MACHINE_STATE_SAVE,
+ MACHINE_STATE_RESTORE): Kill.
+ * fr30.c (fr30_expand_prologue): Kill BB profiler related code.
+ * i960.c (i960_output_function_prologue): Kill BB profiler related
+ code.
+ * ia64.c (ia64_compute_frame_size): Likewise.
+ * ia64.h (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER,
+ FUNCTION_BLOCK_PROFILER_EXIT, MACHINE_STATE_SAVE,
+ MACHINE_STATE_RESTORE): Kill.
+ * m32r.c (m32r_expand_prolofue): Kill BB profiler related code.
+ * m68hc11.h (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER,
+ FUNCTION_BLOCK_PROFILER_EXIT, MACHINE_STATE_SAVE,
+ MACHINE_STATE_RESTORE): Kill.
+ * m68k.c (m68k_output_function_epilogue): Kill BB profiler related code.
+ * m68k.h (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER,
+ FUNCTION_BLOCK_PROFILER_EXIT, MACHINE_STATE_SAVE,
+ MACHINE_STATE_RESTORE): Kill.
+ * m88k.c (output_options, m88k_layout_frame, m88k_expand_prologue):
+ Kill BB profiler related code.
+ * m88k.h (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER,
+ FUNCTION_BLOCK_PROFILER_EXIT, MACHINE_STATE_SAVE,
+ MACHINE_STATE_RESTORE): Kill.
+ * mips.c (mips_expand_prologue): Kill BB profiler related code.
+ * mmix.h (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER,
+ FUNCTION_BLOCK_PROFILER_EXIT, MACHINE_STATE_SAVE,
+ MACHINE_STATE_RESTORE): Kill.
+ * rs6000.c (rs6000_override_options): Kill BB profiler related code.
+ * s960.c (s390_function_prologue): Kill BB profiler related code.
+ * s960.h (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER,
+ FUNCTION_BLOCK_PROFILER_EXIT, MACHINE_STATE_SAVE,
+ MACHINE_STATE_RESTORE): Kill.
+ * linux-aout.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Kill.
+ * linux.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Kill.
+ * linux64.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Kill.
+ * sol2.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Kill.
+ * sparc.c (sparc_override_options, eligible_for_sibcall_delay,
+ sparc_nonflat_function_epilogue): Kill BB profiler related code.
+ (sparc_function_block_profiler, sparc_block_profiler,
+ sparc_function_block_profiler_exit): Kill.
+ * sparc.h (OVERRIDE_OPTIONS): Kill BB profiler related code.
+ (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER,
+ FUNCTION_BLOCK_PROFILER_EXIT, MACHINE_STATE_SAVE,
+ MACHINE_STATE_RESTORE): Kill.
+ * sun4o3.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Kill.
+ * sunos4.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Kill.
+ * stormy16.h (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER,
+ FUNCTION_BLOCK_PROFILER_EXIT, MACHINE_STATE_SAVE,
+ MACHINE_STATE_RESTORE): Kill.
+ * doc/invoke.texi: Kill documentation of -a and -ax.
+ * tm.texi (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER,
+ FUNCTION_BLOCK_PROFILER_EXIT, MACHINE_STATE_SAVE,
+ MACHINE_STATE_RESTORE): Kill.
+
+2001-10-26 Steve Christiansen <smc@us.ibm.com>
+
+ * doc/rtl.texi: Use a table to display RTL format characters.
+
+2001-12-06 Bo Thorsen <bo@suse.co.uk>
+
+ * config/i386/linux64.h (LINK_SPEC): Correct name of dynamic linker.
+
+Wed Dec 5 19:18:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * function.c (keep_stack_depressed): Check global_live_at_start
+ of EXIT_BLOCK for temp register and verify it isn't in equiv_reg_src.
+
+2001-12-05 David O'Brien <obrien@FreeBSD.org>
+
+ * config.gcc (powerpc-*-freebsd*): Use the proper tmake_file files,
+ as set by the generic FreeBSD configure framework.
+
+2001-12-04 Jason Merrill <jason@redhat.com>
+
+ * langhooks.h (struct lang_hooks_for_tree_inlining): Add
+ start_inlining, end_inlining.
+ * tree-inline.c (expand_call_inline): Call them.
+ * langhooks-def.h (LANG_HOOKS_TREE_INLINING_START_INLINING): Define.
+ (LANG_HOOKS_TREE_INLINING_END_INLINING): Define.
+ (LANG_HOOKS_TREE_INLINING_INITIALIZER): Add them.
+ * langhooks.c (lhd_tree_inlining_start_inlining): New fn.
+ (lhd_tree_inlining_end_inlining): New fn.
+
+2001-12-05 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * c-common.c (shadow_warning): New function, moved from cp/decl.c.
+ * c-common.h (shadow_warning): New.
+ * c-decl.c: Include c-common.h.
+ (warn_if_shadowing): New, broken out of pushdecl.
+ (pushdecl): Use warn_if_shadowing.
+ (store_parm_decls): Prevent duplicate -Wshadow warnings.
+
+Wed Dec 5 17:59:19 2001 Douglas B. Rupp <rupp@gnat.com>
+
+ * config/alpha/vms.h (SIZE_TYPE, PTRDIFF_TYPE): Remove, were disabled.
+ (DOLLARS_IN_IDENTIFIERS, LINK_SPEC): Remove duplicate.
+ (LIB_SPEC): Remove.
+
+Wed Dec 5 16:03:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * doc/c-tree.texi (RECORD_TYPE, UNION_TYPE): Expand on definition.
+ (QUAL_UNION_TYPE): New type.
+
+ * varasm.c (output_constant, case ERROR_MARK): New case.
+
+ * attribs.c (handle_no_check_memory_usage_atribute): Deleted.
+ (c_com): Delete its reference.
+ * builtins.c: Delete memory checking code.
+ * calls.c, expr.c, function.c, stmt.c: Likewise.
+ * builtins.c (expand_builtin_arg_info): Remove reference to
+ EXPAND_MEMORY_USE_* modifiers.
+ * explow.c (expr_size): Likewise.
+ * expr.c (expand_expr, expand_increment): Likewise.
+ * expr.h (ARGS_SIZE_RTX): Likewise.
+ * function.c (assign_parms, expand_pending_sizeso): Likewise.
+ * c-decl.c (duplicate_decls): Don't handle DECL_NO_CHECK_MEMORY_USAGE.
+ * expr.c (in_check_memory_usage): Delete.
+ (get_push_address, get_memory_usage_from_modifier): Delete.
+ (expand_assigment): Use EXPAND_WRITE on destination.
+ (expand_expr): Delete ro_modifier.
+ * expr.h (expand_modifier): Delete EXPAND_MEMORY_* entries and
+ add EXPAND_WRITE.
+ (memory_use_mode): Delete.
+ * flags.h (flag_check_memory_usage): Deleted.
+ (flag_prefix_function_name): Likewise.
+ * function.c (expand_function_start): Don't set
+ current_function_check_memory_usage.
+ * function.h (check_memory_usage): Delete.
+ * libfuncs.h, optabs.c: Delete chkr_* stuff.
+ * stmt.c (expand_asm_opernd): Change EXPAND_MEMORY_USE_WO to
+ EXPAND_WRITE.
+ * toplev.c (flag_check_memory_usage): Deleted.
+ (flag_prefix_function_name): Likewise.
+ (f_options, process_options): Delete references to above.
+ * tree.h (DECL_NO_CHECK_MEMORY_USAGE): Deleted.
+ * varasm.c (CHKR_PREFIX): Deleted.
+ (make_decl_rtl): Remove flag_prefix_function_name handling.
+ (assemble_name): Likewise.
+ * doc/extend.texi: Remove no_check_memory_usage attribute.
+ * doc/invoke.texi: Remove -fcheck-memory-usage
+ and -fprefix-function-name.
+
+2001-12-05 Andreas Schwab <schwab@suse.de>
+
+ * Makefile.in (STMP_FIXPROTO, STMP_FIXINC): Use substituted values
+ from autoconf.
+
+2001-12-05 Nick Clifton <nickc@cambridge.redhat.com>
+
+ * config.gcc: Include arm/xscale-coff.h before arm/arm.h.
+
+2001-12-05 William Cohen <wcohen@redhat.com>
+
+ * config/arm/arm.h (THUMB_FUNCTION_PROFILER): Correct typo in
+ instruction.
+
+2001-12-05 Daniel Berlin <dan@cgsoftware.com>
+
+ * config/rs6000/rs6000.h (enum rs6000_builtins): Add more altivec
+ builtins.
+
+ * config/rs6000/rs6000.md: Modeling of 7450 altivec changed to
+ better reflect reality (change from Apple's tree).
+ Add more of altivec instructions.
+ Add ftruncv4sf2 pattern.
+ Remove more unspecs (vector merge instructions, etc).
+
+ * config/rs6000/rs6000.c (bdesc_3arg): New, for 3 argument altivec
+ builtins.
+ (bdesc_1arg): New, for 1 argument altivec builtins.
+ (altivec_expand_builtin): Handle unary and ternary ops.
+ (altivec_init_builtins): Ditto.
+
+Wed Dec 5 09:33:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * config/alpha/vms.h (ADA_LONG_TYPE_SIZE): New macro.
+ * doc/tm.texi (ADA_LONG_TYPE_SIZE): Document it.
+
+2001-12-05 Jakub Jelinek <jakub@redhat.com>
+
+ * gcse.c (store_killed_in_insn): Consider pure calls
+ as potential store killers in addition to normal calls.
+
+2001-12-05 Jakub Jelinek <jakub@redhat.com>
+
+ * expr.c (expand_expr): When checking promoted value, use
+ DECL_MODE (exp) and not mode.
+
+2001-12-05 Jakub Jelinek <jakub@redhat.com>
+
+ * c-typeck.c (output_init_element): Call digest_init
+ just once, not in each if branch and check its return value for
+ error_mark_node.
+
+2001-12-05 Jakub Jelinek <jakub@redhat.com>
+
+ * c-decl.c (pushdecl): Only increase n_incomplete if pushed decl's
+ type is RECORD_TYPE, UNION_TYPE or ARRAY_TYPE thereof.
+ (finish_struct): Break the loop if n_incomplete went to 0.
+ For ARRAY_TYPE, if it is not TYPE_DECL, layout the decl too.
+
+Wed Dec 5 07:41:13 2001 Douglas B. Rupp <rupp@gnat.com>
+
+ * config/alpha/alpha.c (alpha_va_start): Update VMS case.
+
+Wed Dec 5 07:27:42 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+ Douglas B. Rupp <rupp@gnat.com>
+
+ * vmsdbg.h, vmsdbgout.c: Add documentation and minor cleanups.
+ * doc/invoke.texi: Add -gvms.
+ * doc/passes.texi: Add mention of vmsdbgout.c.
+ * doc/tm.texi: Document VMS debugging output.
+
+Wed Dec 5 06:26:27 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * function.h (tree, rtx): Remove no-longer-needed definitions.
+
+ * function.c (keep_stack_depressed): Refine check for register
+ clobbered over call.
+
+ * expr.c (store_expr): When copying string constant into array,
+ use functions that update memrefs instead of computations on
+ addresses to better track MEMs. Also properly handle 32/64 pointers.
+ (expand_expr): Use TARGET even if not reg for multi-word CONSTRUCTOR.
+ (expand_expr, case CONSTRUCTOR): Fix errors in parms to assign_temp.
+
+ * emit-rtl.c (component_ref_for_mem_expr): Try harder to find decl
+ underneath COMPONENT_REFs.
+ (set_mem_attributes): Also strip VIEW_CONVERT_EXPR.
+
+2001-12-05 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * toplev.c (display_target_options): Don't print twice.
+
+Wed Dec 5 00:42:16 EST 2001 John Wehle (john@feith.com)
+
+ * emit-rtl.c (set_unique_reg_note): Don't set
+ a REG_EQUAL or REG_EQUIV note if multiple sets
+ are present.
+
+2001-12-04 John David Anglin <dave@hiauly1.hia.nrc.ca>
+
+ * cfgrtl.c (verify_flow_info): Allow jump table data in fallthru if
+ CASE_DROPS_THROUGH.
+
+2001-12-04 Andrew MacLeod <amacleod@redhat.com>
+
+ * rtl.h (initialize_uninitialized_subregs): New prototype.
+ * toplev.c (rest_of_compilation): Call initialize_uninitialized_subregs
+ when optimization is on.
+ * flow.c (find_regno_partial): Find subregs within an expression.
+ (initialize_uninitialized_subregs): Initialize live on entry registers
+ which are used in subreg expressions.
+
+2001-12-04 Phil Edwards <pme@gcc.gnu.org>
+
+ * Makefile.in: Add INSTALL_SCRIPT using INSTALL definition.
+
+2001-12-04 DJ Delorie <dj@redhat.com>
+
+ * fixinc/fixincl.c (initialize): Avoid problemsome macro
+ parameter names (PR 3388).
+
+2001-12-05 Alan Modra <amodra@bigpond.net.au>
+
+ * config/rs6000/rs6000.c (rs6000_legitimize_address): Fix typo.
+ * config/rs6000/rs6000.h (LEGITIMATE_LO_SUM_ADDRESS_P): Here too.
+
+2001-12-04 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-common.def (COMPOUND_LITERAL_EXPR): New.
+ * c-common.c (c_expand_expr): Handle COMPOUND_LITERAL_EXPR.
+ (c_staticp): New function.
+ * c-common.h (COMPOUND_LITERAL_EXPR_DECL): New.
+ (c_staticp): Declare.
+ * c-typeck.c (default_function_array_conversion, build_unary_op):
+ Don't handle CONSTRUCTOR specially.
+ (lvalue_p, mark_addressable): Handle COMPOUND_LITERAL_EXPR.
+ * c-decl.c (build_compound_literal): New function.
+ * c-tree.h (build_compound_literal): Declare.
+ * c-parse.in (primary): Use build_compound_literal.
+ * c-lang.c (LANG_HOOKS_STATICP): Define.
+ * objc/objc-lang.c (LANG_HOOKS_STATICP): Likewise.
+ * doc/c-tree.texi: Document COMPOUND_LITERAL_EXPR.
+ * doc/extend.texi: Update documentation of compound literals.
+ Fixes PR c/4787.
+
+2001-12-04 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * langhooks.h (struct lang_hooks): Add staticp.
+ * langhooks-def.h (lhd_staticp, LANG_HOOKS_STATICP): New.
+ (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_STATICP.
+ * langhooks.c (lhd_staticp): New function.
+ * tree.c (staticp): Call lang_hooks.staticp for language-specific
+ tree codes.
+
+2001-12-04 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cppspec.c (lang_specific_driver): Set is_cpp_driver.
+ * gcc.c (process_command): Ensure the cpp driver sees
+ --help and --target-help, and that the help is printed
+ exactly once.
+
+2001-12-04 David Edelsohn <edelsohn@gnu.org>
+
+ * config/elfos.h (ASM_OUTPUT_INTERNAL_LABEL): Display count unsigned.
+
+2001-12-04 Hans-Peter Nilsson <hp@axis.com>
+
+ * config/cris/cris.h (OPTIMIZATION_OPTIONS): Don't unset
+ flag_strict_aliasing. Use separate assignment statements.
+
+2001-12-04 Zack Weinberg <zack@codesourcery.com>
+
+ * build-make, cross-make: Delete file.
+ * configure.in: Set and substitute CROSS, ALL,
+ SYSTEM_HEADER_DIR, HOST_PREFIX, HOST_PREFIX_1, HOST_CC,
+ HOST_CFLAGS, STMP_FIXINC, and STMP_FIXPROTO depending on
+ whether build == host and host == target. Do not
+ AC_SUBST_FILE build_overrides or cross_overrides. Do not
+ AC_SUBST cross_defines or extra_c_flags.
+ * Makefile.in (NATIVE_SYSTEM_HEADER_DIR): New.
+ (SYSTEM_HEADER_DIR, HOST_PREFIX, HOST_CC, HOST_PREFIX,
+ HOST_PREFIX_1, HOST_CFLAGS, ALL, INTERNAL_CFLAGS): Set
+ partially or completely with autoconf-substituted @variable@
+ notation.
+ (INSTALL_TARGET, @cross_defines@, @cross_overrides@,
+ @build_overrides@, @extra_c_flags@, all.build, install-build,
+ install-cross-rest, install-float-h-cross): Deleted.
+ (install-normal): Rename to install. Delete old "install"
+ indirection rule.
+
+2001-12-04 Andrew MacLeod <amacleod@redhat.com>
+
+ * stmt.c (expand_return): Clear destination instead of clobbering it
+ when setting a return value via bitsets.
+
+2001-12-04 Alexandre Oliva <aoliva@redhat.com>
+
+ * tree.c (get_callee_fndecl): Only use DECL_ABSTRACT_ORIGIN if
+ it has DECL_SAVED_TREE.
+
+ * c-decl.c (duplicate_decls): Revert rth's patch. If newdecl
+ is in a different binding level, get its abstract origin to be
+ olddecl.
+ * tree-inline.c (expand_call_inline): Move DECL_INITIAL sanity
+ check earlier.
+ * tree.c (get_callee_fndecl): Follow DECL_ABSTRACT_ORIGIN if
+ DECL_INITIAL is NULL.
+
+2001-12-04 Jakub Jelinek <jakub@redhat.com>
+
+ * flow.c (ior_reg_cond): Return NULL if ! add and rtx wasn't optimized.
+ Return correct value if one of the subexpressions was optimized to
+ 0 resp. 1. Optimize (x | A) | x and (x & A) | x.
+ (and_reg_cond): Similarly.
+
+2001-12-04 Jakub Jelinek <jakub@redhat.com>
+
+ * function.c (assign_parms): Set last_named only for last named
+ argument.
+
+2001-12-04 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * doc/install.texi: Use the GFDL. Include years from old install
+ manual in copyright notice. Include copyright and GFDL notice on
+ HTML index page. Include usual footer on testing.html.
+ * doc/install.texi2html: Build gfdl.html. Use -I
+ $SOURCEDIR/include.
+ * doc/include/fdl.texi: Adapt for use in the install manual.
+
+2001-12-04 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * doc/install.texi: Document that installed native compiler for
+ building cross compilers should be GCC 2.95 or later.
+
+2001-12-03 Eric Christopher <echristo@redhat.com>
+
+ * config/mips/mips.h (CALL_REALLY_USED_REGISTERS): New macro.
+ * config/mips/mips.md: Check TARGET_DEBUG_D_MODE before split
+ patterns.
+
+2001-12-03 Janis Johnson <janis187@us.ibm.com>
+
+ * rtl.def (PREFETCH): New rtx code.
+ * doc/rtl.texi (PREFETCH): Add documentation.
+ * function.c (instantiate_virtual_regs_1): Handle PREFETCH rtx.
+ * rtlanal.c (reg_referenced_p): Ditto.
+ * sched-vis.c (print_exp): Ditto.
+ * ssa-dce.c (find_inherently_necessary): Ditto.
+
+ * config/ia64/ia64.h (SIMULTANEOUS PREFETCHES): Define.
+ (PREFETCH_BLOCK): Define.
+ * config/ia64/ia64.md (itanium_class): Add lfetch.
+ (prefetch, prefetch_internal): New.
+
+ * builtin-types.def (BT_FN_VOID_PTR_INT_INT): New.
+ * builtins.def (BUILT_IN_PREFETCH): New.
+ * builtins.c (expand_builtin_expect): New.
+ (expand_builtin): Call it.
+ * doc/extend.texi: Document __builtin_prefetch.
+
+ * config/i386/i386.md (prefetch): Rename as prefetch_sse to avoid
+ conflicts with new generic prefetch functionality.
+ * config/i386/i386.c (ix86_expand_builtin): Use new name for
+ prefetch_sse.
+
+2001-12-02 Ziemowit Laski <zlaski@apple.com>
+
+ * objc/Make-lang.in: Update copyright.
+ (OBJC_OBJS): Add objc-lang.o.
+ (objc-lang.o): New rule.
+ * objc/config-lang.in: Fix file description and update
+ copyright.
+ * objc/objc-act.c: Do not include langhooks.h and
+ langhooks-def.h
+ (lang_hooks): Move (along with LANG_HOOKS...) to objc-lang.c.
+ (objc_post_options): Move to objc-lang.c.
+ (objc_init_options): Move to objc-lang.c.
+ (objc_init): Make non-static.
+ (objc_decode_option): Make non-static.
+ (HASHFUNCTION): Remove macro.
+ (hash_func): New function.
+ (hash_enter): Replace HASHFUNCTION with hash_func.
+ (hash_lookup): Replace HASHFUNCTION with hash_func.
+ (maybe_objc_tree_codes): New function.
+ (init_objc): Move ObjC tree code initialization to
+ maybe_objc_tree_codes().
+ * objc/objc-act.h (GCC_OBJC_ACT_H): New include guard.
+ (objc_init): New public prototype.
+ (objc_decode_option): New public prototype.
+ (maybe_add_objc_tree_codes): New public prototype.
+ * objc/objc-lang.c: New file.
+ (lang_hooks): Moved from objc-act.c.
+ (objc_post_options): Moved from objc-act.c.
+ (objc_init_options): Moved from objc-act.c.
+
+2001-12-03 Geoff Keating <geoffk@redhat.com>
+
+ * emit-rtl.c (gen_lowpart_common): Avoid unwanted sign-extension
+ of array elements.
+
+2001-12-03 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ PR c/4988
+ * gcc.c (process_command): Don't add a preprocessor option for
+ --help and --target-help; cc1 is enough.
+
+2001-12-03 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * c-decl.c (grokdeclarator): Use ISO word.
+ * cppinit.c: Remove leading capital from diagnostic messages, as
+ per GNU coding standards.
+ * emit-rtl.c: Similarly.
+ * final.c: Similarly.
+ * gcc.c: Similarly.
+ * tradcpp.c: Similarly.
+ * config/arm/arm.c: Similarly.
+ * config/arm/arm.h: Similarly.
+ * config/avr/avr.c: Similarly.
+ * config/avr/avr.h: Similarly.
+ * config/c4x/c4x.c: Similarly.
+ * config/cris/cris.c: Similarly.
+ * config/cris/cris.h: Similarly.
+ * config/d30v/d30v.c: Similarly.
+ * config/dsp16xx/dsp16xx.c: Similarly.
+ * config/dsp16xx/dsp16xx.h: Similarly.
+ * config/h8300/h8300.c: Similarly.
+ * config/i386/i386.c: Similarly.
+ * config/i386/xm-djgpp.h: Similarly.
+ * config/i960/i960.h: Similarly.
+ * config/m32r/m32r.c: Similarly.
+ * config/m68hc11/m68hc11.c: Similarly.
+ * config/m88k/m88k.c: Similarly.
+ * config/m88k/m88k.h: Similarly.
+ * config/mcore/mcore.c: Similarly.
+ * config/mcore/mcore.h: Similarly.
+ * config/mips/mips.c: Similarly.
+ * config/mmix/mmix.c: Similarly.
+ * config/pa/pa.c: Similarly.
+ * config/rs6000/rs6000.c: Similarly.
+ * config/rs6000/sysv4.h: Similarly.
+ * config/s390/s390.c: Similarly.
+ * config/sparc/sparc.c: Similarly.
+ * config/v850/v850-c.c: Similarly.
+ * config/v850/v850.c: Similarly.
+
+2001-12-03 Zack Weinberg <zack@codesourcery.com>
+
+ * rs6000.h (RETURN_IN_MEMORY): Cast result of
+ int_size_in_bytes to unsigned HOST_WIDEST_INT so that -1 > 8.
+
+Mon Dec 3 09:18:34 2001 Jeffrey A Law (law@cygnus.com)
+
+ * mn10200.md (negsf2): Use -0x8000 instead of 0x8000 for
+ bit twiddling constant.
+
+Mon Dec 3 16:16:37 CET 2001 Jan Hubicka <jh@suse.cz>
+
+ * gcse.c (delete_null_pointer_checks_1): Do not use delete_list;
+ call purge_dead_edges after removing.
+ (delete_null_pointer_checks): Do not handle delete_list.
+
+ * cfgbuild.c (inside_basic_block_p, control_flow_insn_p): Break out from ...
+ (count_basic_blocks): ... here.
+ (find_basic_blocks, find_bb_boundaries): Cleanup.
+
+ * stor-layout.c (fixup_signed_type, fixup_unsigned_type): Avoid
+ overflow for types greater then 2 * HOST_WIDE_INT.
+
+ * reload.c (find_reloads): Update the duplicates after swapingg.
+
+Mon Dec 3 13:52:19 CET 2001 Jan Hubicka <jh@suse.cz>
+
+ * i386.md (movabsqi*): Use 'b' prefix instead of 'q'.
+
+2001-12-02 Zack Weinberg <zack@codesourcery.com>
+
+ * config/rs6000/rs6000.h (MASK_ALTIVEC_ABI,
+ MASK_LONG_DOUBLE_128): Delete.
+ (MASK_AIX_STRUCT_RET, MASK_AIX_STRUCT_RET_SET,
+ TARGET_AIX_STRUCT_RET): New flags.
+ (TARGET_SWITCHES): Remove entries for -mlong-double-128 and
+ -mlong-double-64. Add entries for -m(no-)aix-struct-return
+ and -m(no-)svr4-struct-return.
+ (TARGET_OPTIONS): Add entry for -mlong-double-.
+ (rs6000_long_double_size_string, rs6000_long_double_type_size,
+ rs6000_altivec_abi): Declare.
+ (TARGET_LONG_DOUBLE_128, TARGET_ALTIVEC_ABI,
+ LONG_DOUBLE_TYPE_SIZE): Change definitions to match.
+ (RETURN_IN_MEMORY): If !TARGET_AIX_STRUCT_RET, return
+ structures of size <= 8 bytes in registers.
+ (PRINT_OPERAND_PUNCT_VALID_P): Take out '$' and '*'.
+
+ * config/rs6000/rs6000.c (rs6000_long_double_size_string,
+ rs6000_long_double_type_size, rs6000_altivec_abi): New
+ globals.
+ (rs6000_override_options): Set rs6000_long_double_type_size
+ from rs6000_long_double_size_string, if nonzero. Set the
+ MASK_AIX_STRUCT_RET bit in target_flags from DEFAULT_ABI, if
+ not already set.
+ (rs6000_parse_abi_options): Set rs6000_altivec_abi, not a
+ target_flags bit.
+ (rs6000_init_builtins): This hook now takes no arguments.
+
+ * config/rs6000/netbsd.h, config/rs6000/linux.h: Define
+ DRAFT_V4_STRUCT_RET to 1.
+
+2001-12-03 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-typeck.c (really_start_incremental_init, push_init_level):
+ Avoid constructor_max_index being other than an INTEGER_CST.
+
+2001-12-02 David Edelsohn <edelsohn@gnu.org>
+
+ * config/rs6000/xcoff.h (ASM_OUTPUT_INTERNAL_LABEL): Display count
+ unsigned.
+ (ASM_GENERATE_INTERNAL_LABEL): Same.
+ (UNIQUE_SECTION): Fix typo.
+
+2001-12-02 Richard Henderson <rth@redhat.com>
+
+ * c-decl.c (duplicate_decls): Conditionalize DECL_SAVED_TREE copy.
+
+2001-12-02 Richard Henderson <rth@redhat.com>
+
+ * rtl.h (mem_attrs): Rename decl to expr; adjust all users.
+ (MEM_EXPR): Rename from MEM_DECL; adjust all users.
+ * emit-rtl.c (set_mem_expr): Rename from set_mem_decl.
+ * expr.h, final.c, reload1.c: Adjust users.
+
+ * alias.c (nonoverlapping_component_refs_p): New.
+ (decl_for_component_ref, adjust_offset_for_component_ref): New.
+ (nonoverlapping_memrefs_p): Use them.
+ * emit-rtl.c (component_ref_for_mem_expr): New.
+ (set_mem_attributes): Use it.
+ (set_mem_offset): New.
+ * expr.c (expand_assignment): Call set_mem_attributes for
+ inner references; adjust the memory offset as needed.
+ * print-rtl.c (print_mem_expr): New.
+ (print_rtx): Use it.
+
+Sun Dec 2 09:22:25 2001 Douglas B. Rupp <rupp@gnat.com>
+
+ * config/x-interix3 (SYSTEM_HEADER_DIR): Put back default.
+
+ * config/alpha/vms.h (VMS_DEBUGGING_INFO): New macro.
+ (PREFERRED_DEBUGGING_TYPE): Define as VMS_AND_DWARF2_DEBUG.
+ (ASM_SPEC): Don't redefine.
+ (OPTIMIZATION_OPTIONS, OVERRIDE_OPTIONS, LINK_SPEC): Define.
+ * config/alpha/t-vms (EXTRA_PARTS): Use; add rule for vms-dwarf2.asm.
+ * config/alpha/vms-dwarf2.asm: New file.
+
+ * Makefile.in (OBJS): Add vmsdbgout.c and its rule.
+ * c-lex.c (init_c_lex): Test for VMS_AND_DWARF2_DEBUG.
+ * debug.h (gcc_debug_hooks): Add vmsdbg_debug_hooks.
+ (vmsdbgout_after_prologue): New declaration.
+ * defaults.h (VMS_DEBUGGING_INFO): Add to PREFERRED_DEBUGGING_TYPE.
+ * dwarf2.h (dwarf_attribute): New DW_AT_VMS_rtnbeg_pd_address.
+ * dwarf2out.c (dwarf2out_do_frame): Test for VMS_AND_DWARF2_DEBUG.
+ (dwarf2out_frame_finish): Test for VMS_AND_DWARF2_DEBUG.
+ (dwarf_attr_name): Use DW_AT_VMS_rtnbeg_pd_address.
+ (add_name_and_src_coords_attributes): Test VMS_DEBUGGING_INFO
+ * final.c (final_start_function): Test for VMS_AND_DWARF2_DEBUG.
+ Test VMS_DEBUGGING_INFO.
+ (final_end_function): Test for VMS_AND_DWARF2_DEBUG.
+ (final_scan_insn): Test for VMS_AND_DWARF2_DEBUG and VMS_DEBUG.
+ * flags.h (debug_info_type): Add VMS_DEBUG and VMS_AND_DWARF2_DEBUG.
+ * toplev.c (compile_file): Test VMS_DEBUGGING_INFO, VMS_DEBUG, and
+ VMS_AND_DWARF2_DEBUG.
+ (rest_of_type_compilation): Test for VMS_AND_DWARF2_DEBUG.
+ (decode_g_option): Add "vms" to debug_type_names.
+ (process_options): Set vmsdbg_debug_hooks if -gvms.
+ (lang_independent_init): Emit line number for VMS unless -g0.
+ * tree.c: (build_complex_type): Test for VMS_AND_DWARF2_DEBUG.
+ * vmsdbg.h, vmsdbgout.c: New files.
+
+Sun Dec 2 09:03:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * cfgbuild.c (SET_STATE): Add cast to eliminate warning.a
+
+2001-12-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * cfgrtl.c (purge_all_dead_edges): Initialize variable.
+ * dwarf2out.c (is_cxx): Prototype.
+ * local-alloc.c (block_alloc): Avoid 'unsigned>=0 is always true'
+ warning.
+ * objc/objc-act.c (defer_fn): Avoid signed/unsigned warning.
+
+Sun Dec 2 07:12:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * libgcc2.c (__bb_exit_func): Fix line wrap problems.
+
+2001-12-02 Geoff Keating <geoffk@redhat.com>
+
+ * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Simplify.
+ * config/rs6000/rs6000.c (rs6000_emit_move): Use adjust_address
+ rather than simplify_subreg. Check for volatile-ness. Check that
+ we're not splitting one slow operation into two slow operations.
+
+2001-12-02 David Edelsohn <edelsohn@gnu.org>
+
+ * emit-rtl.c (gen_lowpart_common): Cast array element to HOST_WIDE_INT
+ before shifting.
+
+2001-12-02 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * c-decl.c (duplicate_decls, push_parm_decl): Remove leading
+ capital from diagnostics.
+ * c-lex.c (cb_file_change): Similarly.
+ * c-parse.in : Similarly.
+ * cfgrtl.c (verify_flow_info): Similarly.
+ * collect2.c: Similarly.
+ * cppfiles.c (find_include_file): Similarly.
+ * cppinit.c (cpp_handle_option): Similarly.
+ * cpplex.c (cpp_spell_token): Similarly.
+ * cppmain.c (do_preprocessing): Similarly.
+ * gcc.c (translate_options, process_command, do_spec1,
+ main, pfatal_execute): Similarly.
+ * genattr.c (main): Similarly.
+ * genattrtab.c (check_attr_test, operate_exp, simplify_test_exp,
+ write_test_expr, main): Similarly.
+ * gencodes.c (main): Similarly.
+ * genconfig.c (main): Similarly.
+ * genconstants.c (main): Similarly.
+ * genemit.c (main): Similarly.
+ * genextract.c (main): Similarly.
+ * genflags.c (main): Similarly.
+ * genopinit.c (main): Similarly.
+ * genoutput.c (process_template, main): Similarly.
+ * genpeep.c (main): Similarly.
+ * genrecog.c (main): Similarly.
+ * gensupport.c (is_predicable, identify_predicable_attribute,
+ alter_predicate_for_insn, init_md_reader_args, main): Similarly.
+ * ggc-page.c (alloc_anon): Similarly.
+ * mips-tfile.c (add_string, add_procedure, add_file, read_line,
+ parse_begin, parse_bend, parse_def, parse_end, parse_file,
+ parse_stabs_common, parse_stabs, write_varray, write_object,
+ read_seek, copy_object, main, error): Similarly.
+ * profile.c (compute_branch_probabilities): Similarly.
+ * reg-stack.c (check_asm_stack_operands): Similarly.
+ * reload.c (find_reloads): Similarly.
+ * reload1.c (spill_failure, failed_reload): Similarly.
+ * rtl-error.c (_fatal_insn_not_found): Similarly.
+ * toplev.c (read_integral_parameter, crash_signal,
+ decode_f_option, set_target_switch, parse_options_and_default_flags)
+ : Similarly.
+ * tradcif.y (parse_number, yylex): Similarly.
+ * tradcpp.c (main, fancy_abort): Similarly.
+ * tree.c (tree_check_failed): Similarly.
+ * varray.c (varray_check_failed): Similarly.
+ * xcoffout.c (xcoff_output_standard_types): Similarly.
+objc:
+ * objc-act.c (get_object_ref, lookup_and_install_protocols,
+ build_objc_string_object, objc_declare_alias, build_ivar_chain,
+ finish_message_expr, build_protocol_expr, is_public,
+ start_class): Similarly.
+
+2001-12-01 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * c-decl.c (duplicate_decls, parmlist_tags_warning): Remove
+ trailing period from diagnostics.
+ * c-lex.c (cb_file_change): Similarly.
+ * cppmacro.c (check_trad_stringification): Similarly.
+ * gcc.c (do_spec_1): Similarly.
+ * genattr.c (main): Similarly.
+ * genattrtab.c (main, operate_exp, make_length_attrs): Similarly.
+ * gencodes.c (main): Similarly.
+ * genconfig.c (main): Similarly.
+ * genconstants.c (main): Similarly.
+ * genemit.c (main): Similarly.
+ * genextract.c (main): Similarly.
+ * genopinit.c (main): Similarly.
+ * genoutput.c (main): Similarly.
+ * genpeep.c (main): Similarly.
+ * genrecog.c (main): Similarly.
+ * mips-tfile.c (add_file, error): Similarly.
+ * profile.c (init_branch_prob): Similarly.
+ * reload1.c (spill_failure): Similarly.
+ * stmt.c (parse_output_constraint): Similarly.
+ * varasm.c (assemble_variable): Similarly.
+
+2001-12-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * m68k.c (init_FPA_table): Provide static prototype.
+ * mips/abi64.h (mips_function_value): Move prototype to ...
+ * mips-protos.h (mips_function_value): ... here.
+ * mips.c: Include halfpic.h.
+ * output.h (rdata_section): Prototype.
+
+ * h8300.c (h8300_asm_named_section): Wrap with !OBJECT_FORMAT_ELF.
+ * m88k.c (m88k_svr3_asm_out_constructor,
+ m88k_svr3_asm_out_destructor): Wrap with CTOR_LIST_BEGIN &&
+ !OBJECT_FORMAT_ELF.
+ * mcore.c (mcore_asm_named_section): Wrap with OBJECT_FORMAT_ELF.
+ * sh.c (sh_asm_named_section): Wrap with !OBJECT_FORMAT_ELF.
+ * sparc.c (sparc_elf_asm_named_section): Wrap with OBJECT_FORMAT_ELF.
+
+2001-12-01 Geoff Keating <geoffk@redhat.com>
+
+ * config/rs6000/rs6000.h (LEGITIMATE_LO_SUM_ADDRESS_P): Complex
+ LO_SUM addresses less than word size are not legitimate,
+ because they lead to invalid SUBREGs.
+ * config/rs6000/rs6000.c (rs6000_legitimize_address): Likewise.
+
+2001-12-01 Olivier Hainque <hainque@act-europe.fr>
+
+ * unroll.c (loop_iterations): Give up on jumps with null JUMP_LABEL
+ while scanning for multiple back edges.
+
+2001-12-01 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
+
+ * ginclude/ppc-asm.h (JUMP_TARGET): New macro.
+ * config/rs6000/tramp.asm: Use it.
+
+2001-12-01 Zack Weinberg <zack@codesourcery.com>
+
+ * gencheck.c, gengenrtl.c: Don't define xmalloc.
+ * gensupport.c: Don't define xstrdup, xcalloc, xrealloc,
+ xmalloc.
+
+2001-11-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
+
+ * pa.c (output_ascii): Cast `p' to unsigned char.
+
+2001-11-30 Daniel Berlin <dan@cgsoftware.com>
+
+ * config/rs6000/rs6000.c (altivec_expand_builtin): add
+ ALTIVEC_BUILTIN_LD_INTERNAL_4sf and ALTIVEC_BUILTIN_ST_INTERNAL_4sf,
+ *_16qi,_8hi, rename existing V4SI ones to *_4si.
+ (altivec_init_builtins): Ditto.
+ (bdesc_2arg): Rename CODE_FOR_* to match changes in MD file.
+
+ * config/rs6000/rs6000.md: Add attribute types vecsimple,
+ veccomplex, vecfloat, and vecperm, for altivec instructions.
+ Modify altivec patterns to use appropriate attribute type.
+ Modify altivec patterns to match RTL operations where appropriate
+ (IE no unspec where we can avoid it).
+ Add vector unit scheduling for ppc7450.
+ Rename patterns to what they are where appropriate
+ (altivec_vaddfp->addv4sf3, etc)
+
+ * config/rs6000/rs6000.h (enum rs6000_builtins): Change VRS->VSR.
+ Pass -mppc, and define _ARCH_PPC, if -mcpu=7450 is used.
+
+ * config/rs6000/sysv4.h: Add -mcpu=7450.
+
+ * testsuite/gcc.dg/altivec-1.c: Update test to take into account renamed
+ _builtin_altivec_ld_interal function.
+
+2001-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * configure.in (AC_CHECK_FUNCS): Delete strtoul, bsearch, popen,
+ strchr, strrchr, isascii, gettimeofday.
+ * config.in, configure: Regenerate.
+
+2001-11-30 Zoltan Hidvegi <hzoli@hzoli.2y.net>
+
+ * unroll.c (unroll_loop): Correct special exit cases.
+
+2001-11-30 Stephane Carrez <Stephane.Carrez@sun.com>
+
+ * config/sparc/sparc.c (DF_MODES_NO_S): Fix pr/3623, define to
+ accept DFmode and DImode only.
+
+2001-11-30 Aldy Hernandez <aldyh@redhat.com>
+
+ * config/rs6000/rs6000.h (STARTING_FRAME_OFFSET): Adjust for altivec.
+ (STACK_DYNAMIC_OFFSET): Same.
+
+2001-11-30 Richard Henderson <rth@redhat.com>
+
+ * c-decl.c (duplicate_decls): Copy DECL_SAVED_TREE.
+
+2001-11-30 Aldy Hernandez <aldyh@redhat.com>
+
+ * config/rs6000/rs6000.h (CALL_REALLY_USED_REGISTERS): New.
+ (CONDITIONAL_REGISTER_USAGE): Set call_really_used_registers to
+ the values in call_used_registers.
+
+Fri Nov 30 12:48:26 2001 Jeffrey A Law (law@cygnus.com)
+
+ * gthr-dce.h: If _DCE_THREADS is not defined, then just include
+ gthr-single.
+
+2001-11-30 Jason Merrill <jason@redhat.com>
+
+ * dwarf2out.c (is_cxx): New fn.
+ (add_data_member_location_attribute): Check it.
+ * dbxout.c (dbxout_type): Only look at BINFO_VPTR_FIELD for C++.
+
+Fri Nov 30 08:26:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * dwarf2asm.c (dw2_asm_output_encoded_addr_rtx): Handle const1_rtx.
+
+2001-11-30 Daniel Berlin <dan@cgsoftware.com>
+
+ * genopinit.c (gen_insn): Handle MODE_VECTOR_INT and
+ MODE_VECTOR_FLOAT as allowed.
+
+2001-11-29 Zack Weinberg <zack@codesourcery.com>
+
+ Purge cruft now we have build libiberty.
+
+ * Makefile.in (OBSTACK, VFPRINTF, DOPRINT, STRSTR,
+ HOST_OBSTACK, HOST_VFPRINTF, HOST_DOPRINT, HOST_STRSTR,
+ USE_HOST_OBSTACK, USE_HOST_VFPRINTF, USE_HOST_DOPRINT,
+ USE_HOST_STRSTR): Delete variables.
+ (vfprintf.o, doprint.o, strstr.o, splay-tree.o, obstack.o,
+ hashtab.o, safe-ctype.o, $(HOST_PREFIX_1)obstack.o,
+ $(HOST_PREFIX_1)vfprintf.o, $(HOST_PREFIX_1)doprint.o,
+ $(HOST_PREFIX_1)strstr.o), $(HOST_PREFIX_1)): Delete rules.
+ (LIBIBERTY, BUILD_LIBIBERTY): New variables.
+ (LIBDEPS): Now just $(INTLDEPS) $(LIBIBERTY).
+ (LIBS): Now just $(INTLLIBS) @LIBS@ $(LIBIBERTY).
+ (HOST_LIBDEPS): Now just $(BUILD_LIBIBERTY).
+ (HOST_LIBS): Ditto.
+ (HOST_RTL): Remove hashtab.o safe-ctype.o.
+ (OBJS): Remove splay-tree.o.
+ (gen-protos): Depend on $(HOST_LIBS), not ../libiberty/libiberty.a.
+ (distclean): No need to delete splay-tree.c obstack.c
+ hashtab.c safe-ctype.c.
+ (mostlyclean): Delete build copies of print-rtl.c bitmap.c
+ errors.c ggc-none.c (all prefixed with $(HOST_PREFIX_1).
+ * aclocal.m4 (gcc_AC_FUNC_VFPRINTF_DOPRNT, gcc_AC_FUNC_STRSTR):
+ Delete.
+ * configure.in: Don't use them.
+ Set and substitute @FORBUILD@.
+ * config.in, configure: Regenerate.
+ * doprint.c: Move to libiberty/_doprnt.c.
+ * doc/configterms.texi: Document that libiberty is now built
+ up to three times. Fix typo.
+
+2001-11-30 Jason Merrill <jason@redhat.com>
+
+ * dwarf2out.c (add_data_member_location_attribute): Do the
+ right thing for virtual bases.
+ * dbxout.c (dbxout_type): For a virtual base, print the offset
+ within the vtable.
+
+2001-11-29 Zoltan Hidvegi <hzoli@hzoli.2y.net>
+
+ * doloop.c (doloop_valid_p): Check for LTU and GTU as well.
+
+2001-11-29 Aldy Hernandez <aldyh@redhat.com>
+
+ * config/rs6000/rs6000.c (function_arg): Unnamed vector arguments
+ go in memory.
+ Remove unused attribute for named.
+
+2001-11-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * genattrtab.c (attr_rtx_1): New function containing the
+ majority of `attr_rtx'. Move variable declarations into the
+ scope where they are used. Eliminate unnecessary gotos.
+ (attr_rtx): Now just a wrapper for `attr_rtx_1' using VA_OPEN,
+ VA_FIXEDARG, and VA_CLOSE.
+
+2001-11-30 Hans-Peter Nilsson <hp@axis.com>
+
+ * config/cris/cris.c (cris_notice_update_cc): Check first
+ destination also against overlap with cc_status.value2 and second
+ destination against overlap with cc_status.value1. For overlaps,
+ clear overlapped value, don't just CC_STATUS_INIT.
+
+ * config/cris/cris.h (EXTRA_CONSTRAINT_T): Fix spacing and FIXME.
+ Fix typo in comment.
+ (LINK_SPEC): Remove whitespace at end of line.
+
+2001-11-29 Jakub Jelinek <jakub@redhat.com>
+
+ * c-lex.c (init_c_lex): Canonicalize "-" filename to "".
+
+2001-11-29 Jakub Jelinek <jakub@redhat.com>
+
+ * gcc.c (ASM_DEBUG_SPEC): Only check HAVE_AS_G*_DEBUG_FLAG
+ macros for the supported debugging types.
+
+2001-11-29 Craig Rodrigues <rodrigc@gcc.gnu.org>
+
+ PR other/4932
+ * config/i386/i386.c (print_operand): Verify that the
+ argument to %c is a constant and not a conditional which
+ needs to be reversed.
+
+Thu Nov 29 11:12:59 2001 Geoffrey Keating (geoffk@redhat.com)
+
+ * emit-rtl.c (gen_lowpart_common): Fix conversion of
+ REAL_VALUE_TYPEs to an array of target integers. Fix extraction
+ of low part of those arrays for 32bit and 64bit hosts.
+
+2001-11-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * Makefile.in (insn-output.o): Depend on insn-codes.h.
+
+2001-11-29 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * configure.in (target_list): Add generated-manpages.
+ * configure: Regenerate.
+ * Makefile.in (generated-manpages): Depend on
+ lang.generated-manpages.
+ * objc/Make-lang.in (objc.generated-manpages): New dummy target.
+
+2001-11-29 Nick Clifton <nickc@cambridge.redhat.com>
+
+ * config/arm/crti.asm (_init): Add .thumb_func if compiled
+ with -mthumb.
+ (_fini): Add .thumb_func if compiled with -mthumb.
+
+2001-11-28 Eric Christopher <echristo@redhat.com>
+
+ * config/mips/mips.c (override_options): Fix thinko in mips_tune
+ for mips32/mips64. Remove MASK_SOFT_FLOAT configuration bits.
+
+Thu Nov 29 00:24:15 EST 2001 John Wehle (john@feith.com)
+
+ * alpha.md (tablejump): Use pic_offset_table_rtx
+ instead of gen_rtx_REG.
+
+Wed Nov 28 15:36:13 2001 Jeffrey A Law (law@cygnus.com)
+
+ * expr.c (store_expr): When copying a string constant into an
+ array, reset the known alignment of the MEM for the section to
+ be cleared to BITS_PER_UNIT.
+
+2001-11-28 Hans-Peter Nilsson <hp@axis.com>
+
+ * config/cris/cris.c: Remove whitespace at end of line.
+
+Wed Nov 28 14:51:23 2001 Douglas B. Rupp <rupp@gnat.com>
+
+ * config.gcc (i[34567]86-*-interix3*): New case.
+ * config/x-interix3, config/interix3.h, config/i386/i386-interix3.h:
+ New files.
+
+2001-11-28 Richard Henderson <rth@redhat.com>
+
+ * config/alpha/alpha.md (sibcall_osf_1, sibcall_value_osf_1): Use
+ symbolic_operand as the predicate.
+
+2001-11-28 Richard Henderson <rth@redhat.com>
+
+ * doloop.c (doloop_modify_runtime): Properly select induction
+ variable; skip late entry test if biv initializer created by loop.
+
+Wed Nov 28 08:21:47 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * tree.h (EXPR_WFL_LINECOL): Used by Java in node other than
+ EXPR_WITH_FILE_LOCATION, so change checks and documentation.
+
+ * tree.h (TREE_VIA_PROTECTED): Update to show can be in TREE_VEC.
+
+ * tree.h: Add missing checks on some macros; make formatting more
+ consistent.
+
+ * stor-layout.c (put_pending_size): Look for SAVE_EXPR if not at top
+ level; only add to pending_sizes if find it.
+
+ * langhooks.c (lhd_safe_from_p): Add ATTRIBUTE_UNUSED.
+
+ * df.c (iterate_dataflow_sbitmap, iterate_dataflow_bitmap):
+ Add casts to remove warnings.
+
+ * Makefile.in (OBJS): Sort alphabetically.
+
+ * print-rtl.c (print_rtx): If RTX code is bad, just say so.
+ Also minor cleanups.
+
+Wed Nov 28 06:52:27 2001 Arnaud Charlet <charlet@ACT-Europe.FR>
+
+ * Makefile.in (ORDINARY_FLAGS_TO_PASS): Remove STAGE_PREFIX.
+ (FLAGS_TO_PASS): Add STAGE_PREFIX.
+ (SUBDIR_FLAGS_TO_PASS): Apply PREPEND_DOTDOT_TO_RELATIVE_PATH
+ to STAGE_PREFIX.
+
+Wed Nov 28 10:42:19 CET 2001 Jan Hubicka <jh@suse.cz>
+
+ * cse.c (true_dependence_in_rtx): New function.
+ (invalidate): Use it.
+
+ * c-common.h (GOTO_FAKE_P): New macro.
+ * tree-inline.c (GOTO_FAKE_P): Set.
+ * c-tree.texi (GOTO_FAKE_P): Document.
+
+ * varasm.c (assemble_variable): Set reloc to 3 for error_mark
+ containing pointers.
+ (output_addressed_constants): Check for local/external relocations.
+ * elfos.h (SELECT_SECTION): Classify data section.
+ * tm.texi (SELECT_SECTION): Update documentation.
+
+ * cfganal.c (flow_dfs_compute_reverse_add_bb): set visited bit.
+ (flow_dfs_compute_reverse_execute): Add only unvisited blocks.
+
+2001-11-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * defaults.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
+ UNALIGNED_DOUBLE_INT_ASM_OP): Also provide defaults when we have
+ OBJECT_FORMAT_ROSE.
+
+2001-11-28 Hans-Peter Nilsson <hp@axis.com>
+
+ * config/cris/cris.c: Tweak spacing for prototypes.
+ (LOSE_AND_RETURN): New macro.
+ (cris_operand_lossage): New function.
+ (cris_print_index, cris_print_base): Use cris_operand_lossage
+ rather than fatal_insn.
+ (cris_print_operand, cris_print_operand_address): Use
+ LOSE_AND_RETURN rather than fatal_insn and internal_error.
+ (cris_output_addr_const): Use LOSE_AND_RETURN and
+ output_operand_lossage rather than fatal_insn and internal_error
+ for valid but unexpected rtx expressions.
+
+ * config/cris/cris.c (cris_split_movdx): Don't call alter_subreg
+ for a SUBREG in src or dest, abort instead.
+
+2001-11-28 Bryce McKinlay <bryce@waitaki.otago.ac.nz>
+
+ * doc/passes.texi: Remove reference to c-dump.c. Update tree inlining
+ doc.
+
+2001-11-27 Jakub Jelinek <jakub@redhat.com>
+
+ * gcc.c (ASM_DEBUG_SPEC): Use conditional expression rather than
+ preprocessor define. If only DBX_DEBUGGING_INFO or only
+ DWARF2_DEBUGGING_INFO is supported for the target, provide
+ appropriate definitions.
+
+2001-11-27 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * Makefile.in: Update, and add c-objc-common.o dependencies.
+ * c-lang.c: Remove unnecessary includes.
+ (c_init): Move bulk of code to c_objc_common_init, and call it.
+ (c_tree_printer, c_missing_noreturn_ok_p, c_disregard_inline_limits,
+ inline_forbidden_p, c_cannot_inline_tree_fn): Move to
+ c-objc-common.c.
+ * c-objc-common.c: New. Mostly pulled from c-lang.c.
+ * c-tree.h (c_disregard_inline_limits, c_cannot_inline_fn,
+ c_objc_common_init, c_missing_noreturn_ok_p): New.
+ * toplev.c: Update comment.
+ * doc/passes.texi: Update.
+objc:
+ * objc-act.c (LANG_HOOKS_TREE_INLINING_CANNOT_INLINE_TREE_FN,
+ LANG_HOOKS_TREE_INLINING_DISREGARD_INLINE_LIMITS,
+ LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P): Override.
+ (objc_init): Update to use c_objc_common_init.
+
+2001-11-27 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cpphash.c (_cpp_init_hashtable): Update.
+ * cpphash.h (struct spec_nodes): Remove n_L.
+ * cpplex.c (_cpp_lex_direct): Check for prefix L separately.
+
+2001-11-17 Richard Henderson <rth@redhat.com>
+
+ * unroll.c (loop_iterations): Move last change ...
+ * doloop.c (doloop_modify_runtime): ... here.
+
+2001-11-17 Corey Minyard <minyard@acm.org>
+ Richard Henderson <rth@redhat.com>
+
+ * unroll.c (loop_iterations): Detect one situation in which we
+ overestimate the number of iterations.
+
+2001-11-27 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
+
+ * gcc.c (set_input): Export.
+ Move declaration ...
+ gcc.h (set_input): ... here.
+
+2001-11-27 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
+
+ * gcc.c (set_collect_gcc_options): New function, split out from
+ main.
+ Ignore elided switches.
+ (do_spec): Invoke before executing command.
+ (do_spec_1): Likewise.
+ Fixes PR other/3968.
+
+2001-11-27 Hans-Peter Nilsson <hp@axis.com>
+
+ * config/cris/cris.h (INT_ASM_OP): Remove.
+
+2001-11-27 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
+
+ * config/i386/sol2.h (WINT_TYPE): Redefine.
+ (WINT_TYPE_SIZE): Likewise.
+
+2001-11-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * collect2.c: Check HAVE_DUP2 instead of NO_DUP2.
+ (dup2): Make static and add prototype.
+ * m68k/plexus.h: Don't define NO_DUP2.
+ * configure.in (AC_CHECK_FUNCS): Add dup2.
+ * config.in, configure: Regenerate.
+
+ * ia64/aix.h (REG_SIZE): Don't #undef.
+ * sparc.h (REG_SIZE): Delete.
+ * flow.c (mark_used_regs): Don't use REG_SIZE.
+ * regs.h (REG_SIZE): Delete.
+
+2001-11-27 Andreas Schwab <schwab@suse.de>
+
+ * gcc.c: Fix typo PREFERRED_DEBUGGING_FORMAT ->
+ PREFERRED_DEBUGGING_TYPE.
+
+Tue Nov 27 08:21:47 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * Makefile.in (c-lang.o): Depends on langhooks-def.h.
+ (expr.o, varasm.o): Depends on langhooks.h.
+ * c-common.c (c_safe_from_p): Always declare.
+ (c_expand_expr): Refine when declared.
+ * c-lang.c (c-common.h): Now include.
+ (LANG_HOOKS_SAFE_FROM_P): Define new hook.
+ (c_init): Don't set lang_safe_from_expr.
+ * expr.c (langhooks.h): Now include.
+ (lang_safe_from_p): No longer define.
+ (safe_from_p): Use lang hook.
+ (expand_expr): Set IGNORE if VOID_TYPE result of VIEW_CONVERT_EXPR too.
+ (expand_expr, case VIEW_CONVERT_EXPR): Pass ro_modifier down.
+ * expr.h (lang_expand_constant, lang_safe_from_p): Delete.
+ * langhooks-def.h (lhd_return_tree, lhd_safe_from_p): New decls.
+ (LANG_HOOKS_EXPAND_CONSTANT, LANG_HOOKS_SAFE_FROM_P): New hooks.
+ * langhooks.c (lhd_return_tree, lhd_safe_from_p): New functions.
+ * langhooks.h (struct lang_hooks): New fields expand_constant
+ and safe_from_p.
+ * output.h (output_constant): Size arg is HOST_WIDE_INT.
+ * stmt.c (expand_decl_init): No longer need to expand constant
+ for CONST_DECL.
+ * stor-layout.c (put_pending_size): Don't check for SAVE_EXPR.
+ * toplev.c (lang_expand_constant): Delete var.
+ * tree.c (save_expr): Don't put another SAVE_EXPR around simple
+ operations on SAVE_EXPR.
+ * varasm.c (langhooks.h): Now include.
+ (compare_constant_1): Use lang_hooks, not lang_expand_constant.
+ (record_constant_1, output_addressed_constants): Likewise.
+ (initializer_constant_valid_p, output_constant): Likewise.
+ (output_constant_def): Process no-defer of string constant.
+ (output_addressed_constants, case ADDR_EXPR): Use handled_component_p.
+ (output_constant): Strip more conversions.
+ Track our size and pad for the rest.
+ (array_size_for_constructor): Remove code for non-byte STRING_CST.
+ (output_constructor): SIZE now HOST_WIDE_INT.
+
+2001-11-27 Richard Henderson <rth@redhat.com>
+
+ * ifcvt.c (noce_try_store_flag_constants): Test for overflow
+ in computing DIFF.
+
+2001-11-27 Zack Weinberg <zack@codesourcery.com>
+
+ * cppfiles.c (read_include_file): Add comment.
+
+2001-11-26 Richard Henderson <rth@redhat.com>
+
+ * toplev.c (rest_of_compilation): Call free_bb_for_insn before exit.
+
+2001-11-26 Richard Henderson <rth@redhat.com>
+
+ * config/ia64/sysv4.h (DBX_DEBUGGING_INFO): Undef.
+ * config/ia64/aix.h (PREFERRED_DEBUGGING_TYPE): Remove
+ commented out override.
+
+2001-11-26 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cppfiles.c (stack_include_file): Don't optimize zero-length
+ files.
+ (read_include_file): NUL-terminate read files.
+ * cpplex.c (handle_newline, skip_escaped_newlines,
+ get_effective_char, skip_whitespace, parse_identifier,
+ parse_identifier_slow, parse_number, parse_string,
+ _cpp_lex_direct): Optimize for the fact that buffers are guaranteed
+ NUL-terminated.
+ * cpplib.c (destringize_and_run, cpp_define, handle_assertion):
+ Be sure buffers are NUL terminated.
+ * cppmacro.c (warn_of_redefinition): Kill compile warning.
+
+2001-11-26 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * c-common.c: Include tree-inline.h.
+ (c_language): Move separate definitions here.
+ (c_common_init_options, c_common_post_options): New.
+ (c_common_lang_init): Rename c_common_init.
+ * c-common.h (c_common_lang_init): Similarly.
+ (c_common_init_options, c_common_post_options): New.
+ * c-lang.c (c_post_options): Move body to c_common_post_options.
+ (c_init_options): Use c_common_init_options.
+ (c_init): Update.
+ * langhooks.def: Rearrange.
+ * langhooks.h: Rearrange, and improve comments.
+ * toplev.c (do_compile): New function.
+ (toplev_main): Use it.
+ (lang_independent_f_options, parse_options_and_default_flags,
+ process_options): Remove trailing periods.
+ * Makefile.in: Update.
+objc: * objc-act.c (objc_post_options, objc_init_options): Use c-common.c
+ functions.
+ (ojbc_init): Update.
+
+2001-11-26 Richard Henderson <rth@redhat.com>
+
+ * config/alpha/alpha.md (unop): Add 0 offset for some gas versions.
+
+2001-11-26 DJ Delorie <dj@redhat.com>
+
+ * expr.c (store_constructor): Actually use the value computed
+ if WORD_REGISTER_OPERATIONS.
+
+2001-11-26 Richard Henderson <rth@redhat.com>
+
+ * config/elfos.h (SELECT_SECTION): Don't check TREE_READONLY
+ for CONSTRUCTOR.
+
+2001-11-26 David Edelsohn <edelsohn@gnu.org>
+
+ * rs6000.c (output_mi_thunk): Handle minimal-toc and call
+ correct function on AIX.
+
+2001-11-26 Alexandre Oliva <aoliva@redhat.com>
+
+ * toplev.c (process_options): Don't force
+ flag_optimize_sibling_calls to zero just because exceptions are
+ enabled.
+
+Mon Nov 26 12:37:05 2001 Jeffrey A Law (law@cygnus.com)
+
+ * df.h (transfer_function_sbitmap): Use PARAMS around argument
+ list in function prototypes.
+ (transfer_function_bitmap): Likewise.
+
+2001-11-26 Loren J. Rittle <ljrittle@acm.org>
+
+ * config/stormy16/stormy16.h: Remove DEFAULT_VTABLE_THUNKS.
+ * config/i386/netbsd-elf.h: Likewise.
+
+2001-11-26 David Edelsohn <edelsohn@gnu.org>
+
+ * doc/trouble.texi: Remove outdated RS/6000 comments.
+
+Mon Nov 26 13:49:41 CET 2001 Jan Hubicka <jh@suse.cz>
+
+ * final.c (walk_alter_subreg): Fix return value.
+
+Mon Nov 26 11:36:20 CET 2001 Jan Hubicka <jh@suse.cz>
+
+ * sparc.c (sparc_absnegfloat_split_legitimate): Do not call
+ alter_subreg.
+ * sparc.md (post-reload splitters): Do not call alter_subreg.
+ * cfgrtl.c (purge_dead_edges): Fix typo in previous fix.
+
+2001-11-25 Aldy Hernandez <aldyh@redhat.com>
+
+ * regclass.c (choose_hard_reg_mode): Handle vector arguments.
+
+2001-11-26 Alan Modra <amodra@bigpond.net.au>
+
+ * final.c: (insn_lengths): Make it an int *, so that large jump
+ tables don't overflow.
+
+2001-11-25 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-format.c (FMT_FLAG_DOLLAR_GAP_POINTER_OK): New.
+ (format_types): Use it for scanf.
+ (dollar_arguments_pointer_p): New.
+ (init_dollar_format_checking): Store details of which arguments
+ are pointers.
+ (maybe_read_dollar_number): Reallocate dollar_arguments_pointer_p.
+ (finish_dollar_format_checking): Take extra parameter
+ pointer_gap_ok. Treat unused arguments differently if
+ pointer_gap_ok and the unused arguments are pointers.
+ (check_format_info_main): Pass extra argument to
+ finish_dollar_format_checking.
+ * doc/invoke.texi (-Wno-format-extra-args): Document behavior when
+ unused arguments are present between used arguments with operand
+ numbers.
+
+2001-11-25 Daniel Berlin <dan@cgsoftware.com>
+
+ * df.c: Add prototypes for hybrid_search_bitmap and
+ hybrid_search_sbitmap.
+ (hybrid_search_bitmap): New function.
+ (hybrid_search_sbitmap): New function.
+ (iterative_dataflow_sbitmap): Change to use hybrid_search_sbitmap.
+ (iterative_dataflow_bitmap): Ditto.
+
+2001-11-25 Stephane Carrez <Stephane.Carrez@worldnet.fr>
+
+ * config/m68hc11/m68hc11.md (peephole2): New peephole2 to optimize
+ address computations.
+
+2001-11-25 Stephane Carrez <Stephane.Carrez@worldnet.fr>
+
+ * config/m68hc11/m68hc11.c (d_register_operand): Must accept
+ register b (low part of d).
+
+2001-11-25 Stephane Carrez <Stephane.Carrez@worldnet.fr>
+
+ * config/m68hc11/m68hc11.h (FUNCTION_PROFILER): Fix label name
+ passed to mcount.
+
+Sun Nov 25 06:22:09 2001 Douglas B. Rupp <rupp@gnat.com>
+
+ * config/alpha/vms-ld.c, config/alpha/vms-cc.c: New files.
+ * config/alpha/x-vms: New file, to compile the above.
+ * config.gcc (alpha*-dec-vms*): Add x-vms.
+
+2001-11-24 Hans-Peter Nilsson <hp@axis.com>
+
+ * genextract.c (main): Set ro_loc for peepholes.
+
+Sat Nov 24 17:04:10 2001 Douglas B. Rupp <rupp@gnat.com>
+
+ * fix-header.c (main): Move inf_buffer termination and inf_limit
+ calculation to after read.
+
+ * config/alpha/xm-vms.h (FILE_TYPE): Remove undef and baggage.
+ (__UNIX_FOPEN): Define.
+
+Sat Nov 24 16:11:00 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * function.c (assign_stack_temp_for_type): Clear alias set before
+ setting new one.
+
+2001-11-23 David Edelsohn <edelsohn@gnu.org>
+
+ * rs6000.c (print_operand, case 'v'): Use HOST_WIDE_INT_PRINT_HEX
+ format.
+ * rs6000.md (cmptf): Fix typo.
+
+2001-11-23 Richard Sandiford <rsandifo@redhat.com>
+
+ * final.c (output_addr_const): Output PC as '.' even if !flag_pic.
+ * varasm.c (output_constructor): Use assemble_integer rather
+ than ASM_OUTPUT_BYTE.
+
+2001-11-23 Andreas Jaeger <aj@suse.de>
+
+ * cpplex.c (cpp_interpret_charconst): Use HOST_WIDE_INT for sign
+ extension.
+
+2001-11-23 Nick Clifton <nickc@cambridge.redhat.com>
+
+ * config/arm/xscale-coff.h (SUBTARGET_CPU_DEFAULT): Override
+ default definition.
+ (SUBTARGET_EXTRA_ASM_SPEC): Remove previous definition.
+ (MULTILIB_DEFAULTS): Remove previous definition.
+
+2001-11-23 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cppmacro.c (warn_of_redefinition): Warn regardless of -pedantic.
+ * gcc.dg/cpp/mi6.c, gcc.dg/cpp/redef2.c: Update.
+
+2001-11-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * cris.h: Revert thinko in last patch.
+
+2001-11-23 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * ChangeLog.0, ChangeLog.2, ChangeLog.3, ChangeLog.4, ChangeLog,
+ FSFChangeLog.10, c-decl.c, cppfiles.c, cppinit.c, cpplex.c,
+ cpplib.c, cppmain.c, cse.c, df.c, diagnostic.c, dominance.c,
+ dwarf2out.c, dwarfout.c, emit-rtl.c, errors.c, except.c, except.h,
+ explow.c, function.c, gcse.c, genrecog.c, predict.c, regmove.c,
+ sched-rgn.c, ssa-ccp.c, stmt.c, toplev.c: Fix spelling errors.
+
+ * predict.c, reg-stack.c: Fix spelling errors.
+
+2001-10-09 Andrew Haley <aph@redhat.com>
+
+ * calls.c (check_sibcall_argument_overlap): Use slot_offset for
+ start of stack slot.
+
+2001-11-22 Graham Stott <grahams@redhat.com>
+
+ * cfgrtl.c (try_redirect_by_replacing_jump): Fix typo, emit
+ replacement jump after original jump.
+
+ (verify_flow_info): Remove redundent initialisation.
+ Handle reaching end of insn list before finding a BARRIER.
+ Only issue one missing barrier diagnostic.
+
+2001-11-22 Graham Stott <grahams@redhat.com>
+
+ * local-alloc.c (combine_regs): Handle SUBREG_REG being a MEM.
+
+Thu Nov 22 06:49:14 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * config/i386/i386.md (leave, leave_rex64): Have RTL reflect what
+ insn actually does.
+
+2001-11-22 Nick Clifton <nickc@cambridge.redhat.com>
+
+ * doc/invoke.texi (M32R/D Option Summary): Document -m32r switch.
+ Fix typo -mm32rx=> -m32rx.
+
+ * config/arm/arm.c (arm_elf_asm_named_section): Only build for elf
+ targets.
+
+ * config.gcc (xscale-coff): Add necessary header files to
+ tm_file variable.
+
+2001-11-20 Zack Weinberg <zack@codesourcery.com>
+
+ * rs6000.c (output_cbranch): Use $, not %$, in output template.
+
+2001-11-21 Bryce McKinlay <bryce@waitaki.otago.ac.nz>
+
+ * tree-dump.c: Rename from c-dump.c. Include c-tree.h, not c-common.h.
+ (lang_type_quals): Declare.
+ (dequeue_and_dump): Use lang_hooks.tree_dump.type_quals function to
+ retrieve language-specific qualifiers for a type node, instead of
+ C_TYPE_QUALS. Likewise for lang_hooks.tree_dump.dump_tree instead of
+ lang_dump_tree.
+ * tree-dump.h: Rename from c-dump.h.
+ * c-common.h (C_TYPE_QUALS): Removed.
+ Move declarations for tree-dump.c interface to...
+ * tree.h: ... here. Remove lang_dump_tree.
+ * langhooks.h (struct lang_hooks_for_tree_dump): New.
+ (struct lang_hooks): Add tree_dump hooks.
+ * langhooks.c (lhd_tree_dump_dump_tree): New function.
+ (lhd_tree_dump_type_quals): New function.
+ * langhooks-def.h (lhd_tree_dump_dump_tree, lhd_tree_dump_type_quals):
+ Declare.
+ (LANG_HOOKS_INITIALIZER): Add tree_dump hooks.
+ * Makefile.in: Move tree-dump.o to language-independent back-end.
+
+2001-11-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * 1750a.h (DBX_REGISTER_NUMBER): Don't define.
+ * alpha.h (DBX_REGISTER_NUMBER): Likewise.
+ * arc.h (DBX_REGISTER_NUMBER): Likewise.
+ * arm/aout.h (DBX_REGISTER_NUMBER): Likewise.
+ * avr.h (DBX_REGISTER_NUMBER): Likewise.
+ * c4x.h (DBX_REGISTER_NUMBER): Likewise.
+ * clipper.h (DBX_REGISTER_NUMBER): Likewise.
+ * convex.h (DBX_REGISTER_NUMBER): Likewise.
+ * cris.h (DBX_REGISTER_NUMBER): Likewise.
+ * dsp16xx.h (DBX_REGISTER_NUMBER): Likewise.
+ * elxsi.h (DBX_REGISTER_NUMBER): Likewise.
+ * fr30.h (DBX_REGISTER_NUMBER): Likewise.
+ * h8300.h (DBX_REGISTER_NUMBER): Likewise.
+ * i370.h (DBX_REGISTER_NUMBER): Likewise.
+ * i860.h (DBX_REGISTER_NUMBER): Likewise.
+ * i860/paragon.h (DBX_REGISTER_NUMBER): Likewise.
+ * i860/sysv3.h (DBX_REGISTER_NUMBER): Likewise.
+ * i860/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
+ * m32r.h (DBX_REGISTER_NUMBER): Likewise.
+ * m68hc11.h (DBX_REGISTER_NUMBER): Likewise.
+ * m88k.h (DBX_REGISTER_NUMBER): Likewise.
+ * mcore/mcore-elf.h (DBX_REGISTER_NUMBER): Likewise.
+ * mcore.h (DBX_REGISTER_NUMBER): Likewise.
+ * mn10200.h (DBX_REGISTER_NUMBER): Likewise.
+ * mn10300.h (DBX_REGISTER_NUMBER): Likewise.
+ * pdp11.h (DBX_REGISTER_NUMBER): Likewise.
+ * romp.h (DBX_REGISTER_NUMBER): Likewise.
+ * rs6000.h (DBX_REGISTER_NUMBER): Likewise.
+ * rs6000/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
+ * s390/linux.h (DBX_REGISTER_NUMBER): Likewise.
+ * stormy16.h (DBX_REGISTER_NUMBER): Likewise.
+ * v850.h (DBX_REGISTER_NUMBER): Likewise.
+ * vax.h (DBX_REGISTER_NUMBER): Likewise.
+ * we32k.h (DBX_REGISTER_NUMBER): Likewise.
+
+ * defaults.h (DBX_REGISTER_NUMBER): Provide a default.
+ * doc/tm.texi (DBX_REGISTER_NUMBER): Update.
+
+2001-11-21 H.J. Lu <hjl@gnu.org>
+
+ * config/rs6000/sysv4.h (LIB_SPEC): Fix a typo.
+
+2001-11-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * s390.c (s390_va_arg): Eliminate ALIGN parameter in call to
+ emit_cmp_and_jump_insns.
+
+ * stormy16.c (xstormy16_expand_builtin_va_arg,
+ xstormy16_expand_casesi): Likewise.
+
+Wed Nov 21 17:37:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * function.c (keep_stack_depressed): Major rework.
+ (handle_epilogue_set, emit_equiv_load): New functions.
+ (thread_prologue_and_epilogue_insns): keep_stack_depressed now
+ has return value.
+ * jump.c (returnjump_p_1): Also return 1 if SET with SET_IS_RETURN_P.
+ * rtl.h (SET_IS_RETURN_P): New macro.
+
+ * expr.c (expand_expr, case VIEW_CONVERT_EXPR): Refine slightly
+ and also support TREE_ADDRESSABLE.
+ * tree.def (VIEW_CONVERT_EXPR): Document TREE_ADDRESSABLE.
+
+2001-11-21 David Edelsohn <edelsohn@gnu.org>
+
+ * rs6000.md (cmptf_internal1): Replace %$ with $.
+
+Wed Nov 21 16:44:01 2001 Douglas B. Rupp <rupp@gnat.com>
+
+ * cppfiles.c (STAT_SIZE_TOO_BIG): Define.
+ (read_include_file): Use STAT_SIZE_TOO_BIG.
+
+ * cppinit.c (INO_T_COPY): Define.
+ (INO_T_EQ): Uppercase parameters.
+ (append_include_chain): Use INO_T_COPY.
+
+2001-11-21 Richard Sandiford <rsandifo@redhat.com>
+
+ * cfg.c: Fix typos and formatting in the introductory comment.
+
+Wed Nov 21 12:38:37 CET 2001 Jan Hubicka
+
+ * profile.c (compute_branch_probabilites): Compute probabilities
+ for entry/exit edges; estimate probabilities for zero counts.
+
+2001-11-21 Jakub Jelinek <jakub@redhat.com>
+
+ * explow.c (probe_stack_range): Use LCT_NORMAL as second argument
+ to emit_library_call.
+ * function.c (expand_main_function, expand_function_start,
+ expand_function_end): Likewise.
+ * profile.c (output_func_start_profiler): Likewise.
+ * stmt.c (expand_nl_goto_receivers): Use LCT_NORETURN as
+ second argument to emit_library_call.
+ * optabs.c (prepare_cmp_insn): Use LCT_CONST_MAKE_BLOCK
+ as second argument to emit_library_call.
+ * calls.c (emit_library_call): Update fn_type description.
+
+2001-11-21 Jakub Jelinek <jakub@redhat.com>
+
+ * c-decl.c (c_expand_deferred_function): Only call c_expand_body
+ if fndecl is still DECL_INLINE and has DECL_RESULT.
+
+2001-11-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * clipper.c (clipper_movstr): Avoid uninitialized warning.
+ * i960.c (is_mask, legitimize_address): Likewise.
+ * m88k.c (m88k_expand_prologue): Likewise.
+ * m88k.md: Likewise.
+ * mcore.c (emit_new_cond_insn): Likewise.
+ * stormy16.c (xstormy16_emit_cbranch): Likewise.
+
+2001-11-20 Zack Weinberg <zack@codesourcery.com>
+
+ * config.gcc: Delete powerpcle-*-solaris2* stanza.
+ * config/rs6000/eabi.asm, config/rs6000/rs6000.c,
+ config/rs6000/rs6000.h, config/rs6000/rs6000.md,
+ config/rs6000/sol-ci.asm, config/rs6000/sol-cn.asm,
+ config/rs6000/sysv4.h, config/rs6000/t-ppccomm,
+ config/rs6000/t-ppcos: Expunge all references to Solaris.
+
+ * config/rs6000/sol-c0.c, config/rs6000/sol2.h: Delete.
+
+ * config/rs6000/rs6000.md: Replace '%$' with '$' in all
+ output templates.
+ * config/rs6000/rs6000.h: Define DEFAULT_PCC_STRUCT_RETURN to 0,
+ and change RETURN_IN_MEMORY to just check AGGREGATE_TYPE_P.
+
+2001-11-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * sh.md: Avoid uninitialized warnings.
+ * vax.c (vax_rtx_cost): Likewise.
+
+2001-11-15 Aldy Hernandez <aldyh@redhat.com>
+
+ * rs6000.c (direct_return): Check if we are saving altivec
+ registers.
+ (first_altivec_reg_to_save): New.
+ Updated stack frame layout comments.
+ (rs6000_stack_info): Calculate altivec register save size.
+ Save link register if we saved some altivec registers.
+ (rs6000_stack_info): Align save size to 16 if altivec abi or
+ abi_darwin.
+ (rs6000_stack_info): Calculate altivec register offsets.
+ (rs6000_stack_info): Add altivec info to save_size.
+ (debug_stack_info): Add altivec debug info.
+ (rs6000_emit_prologue): Save altivec registers and vrsave.
+ (compute_vrsave_mask): New.
+ (altivec_expand_builtin): Remove unused variables.
+ (rs6000_parse_abi_options): Add static qualifier.
+ (rs6000_expand_builtin): Remove unused parameters.
+ (altivec_expand_builtin): Cast bdesc_2arg to get rid of warning.
+ (altivec_init_builtins): Same.
+ (is_altivec_return_reg): New.
+ (vrsave_operation): New.
+ (ALTIVEC_REG_BIT): New.
+ (generate_set_vrsave): New.
+
+ * rs6000.md (get_vrsave): New.
+ (set_vrsave): New.
+ (*set_vrsave_internal): New.
+
+ * rs6000.h (rs6000_stack): Add first_altivec_reg_save,
+ altivec_save_offset, vrsave_save_offset, altive_size, vrsave_size,
+ altivec_padding_size, vrsave_mask.
+ (TOTAL_ALTIVEC_REGS): New.
+ (EPILOGUE_USES): Add VRSAVE_REGNO.
+
+2001-11-20 Jeff Law <law@redhat.com>
+
+ * unroll.c (copy_loop_body): Update LABEL_NUSES for the
+ exit label as necessary.
+
+2001-11-20 Brad Kaiser <bkaiser@acelink.net>
+
+ * reload1.c (elimination_effects): Use function_invariant_p
+ instead of CONSTANT_P when considering register equivalences.
+
+2001-11-20 David O'Brien <obrien@FreeBSD.org>
+
+ * config.gcc: Add FreeBSD/PowerPC target.
+ (powerpc64-*-linux*, powerpc-*-sysv*, powerpc-*-netbsd*,
+ powerpc-*-chorusos*, powerpc-*-eabiaix*, powerpc-*-eabisim*,
+ powerpc-*-elf*, powerpc-*-eabi*, powerpc-*-rtems*,
+ powerpc-*-linux*libc1, powerpc-*-linux*, powerpc-wrs-vxworks*,
+ powerpcle-wrs-vxworks*, powerpcle-*-sysv*, powerpcle-*-elf*,
+ powerpcle-*-eabisim*, powerpcle-*-eabi*, powerpcle-*-solaris2*): Add
+ freebsd-spec.h to tm_file.
+ (rs6000-*-lynxos*): Add lynx.h to tm_file.
+ * config/freebsd.h: Tidy up.
+ (USING_CONFIG_FREEBSD): Define.
+ (FBSD_SWITCH_TAKES_ARG, FBSD_WORD_SWITCH_TAKES_ARG,
+ FBSD_CPP_PREDEFINES, FBSD_CPP_SPEC, FBSD_STARTFILE_SPEC,
+ FBSD_ENDFILE_SPEC, FBSD_LIB_SPEC): Remove (moved to freebsd-spec.h).
+ (TARGET_HAS_F_SETLKW): Define.
+ (ASM_OUTPUT_IDENT): Delete, the elfos.h definition is fine.
+ * config/freebsd-spec.h: New file.
+ * config/rs6000/freebsd.h: New file.
+ * config/rs6000/rs6000.h (TARGET_VERSION): Do not define.
+ * config/rs6000/rs6000.c: Test for USING_ELFOS_H rather than
+ USING_SVR4_H to know when to turn on ELF support.
+ * config/rs6000/sysv4.h (TARGET_VERSION, CPP_PREDEFINES): Don't undef,
+ define only if not already defined.
+ Add FreeBSD support.
+ * config/rs6000/aix.h (TARGET_VERSION): Define.
+ * config/rs6000/beos.h: Likewise.
+ * config/rs6000/darwin.h: Likewise.
+ * config/rs6000/mach.h: Likewise.
+ * config/rs6000/lynx.h (TARGET_VERSION): Likewise.
+ Don't include lynx.h directly.
+
+2001-11-20 Graham Stott <grahams@redhat.com>
+
+ * unwind-dw2-fde.c (__deregister_frame_info_bases):
+ Fix lossage in last change return OB.
+
+Tue Nov 20 11:56:12 2001 Douglas B. Rupp <rupp@gnat.com>
+
+ * config/alpha/xm-vms.h (_POSIX_EXIT): Define.
+ Remove unneeded exit related macros.
+
+2001-11-20 David Edelsohn <edelsohn@gnu.org>
+
+ * rs6000.c (rs6000_emit_eh_toc_restore): Remove ALIGN parm.
+
+ * rs6000.c (rs6000_emit_move): Add TFmode case.
+ * sysv4.h (MASK_LONG_DOUBLE_128, TARGET_LONG_DOUBLE_128,
+ LONG_DOUBLE_TYPE_SIZE, MAX_LONG_DOUBLE_TYPE_SIZE,
+ LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Move from here...
+ * rs6000.h: ... to here.
+ * rs6000.md (movtf, extenddftf2, extendsftf2, trunctfdf2,
+ trunctfsf2, floatditf2, floatsitf2, fix_trunctfdi2,
+ fix_trunctfsi2, negtf2, abstf2, nabstf2, cmptf): New patterns.
+
+Tue Nov 20 06:41:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * emit-rtl.c (get_mem_attrs): Fix typo.
+
+2001-11-20 Jakub Jelinek <jakub@redhat.com>
+
+ * c-lang.c (finish_file): Backout 2001-11-16
+ changes, instead set DECL_DEFER_OUTPUT for static inline functions
+ before calling c_expand_deferred_function.
+
+2001-11-20 Jakub Jelinek <jakub@redhat.com>
+
+ * unwind-dw2-fde.c (__register_frame_info_bases, __register_frame):
+ Don't register empty .eh_frame sections.
+ (__deregister_frame_info_bases, __deregister_frame): Don't
+ unregister them either.
+
+2001-11-19 Geoffrey Keating <geoffk@redhat.com>
+
+ * configure.in (HAVE_AS_GDWARF2_DEBUG_FLAG): Define.
+ (HAVE_AS_GSTABS_DEBUG_FLAG): Define.
+ * configure: Regenerate.
+ * config.in: Add dummy definitions of new flags.
+ * toplev.c (PREFERRED_DEBUGGING_TYPE): Move definition to...
+ * defaults.h (PREFERRED_DEBUGGING_TYPE): ... here.
+ * gcc.c (ASM_DEBUG_SPEC): New macro.
+ (asm_debug): New static variable.
+ (default_compilers): Add asm_debug when assembling from
+ user input.
+ (static_specs): Add asm_debug.
+
+2001-11-20 Loren J. Rittle <ljrittle@acm.org>
+
+ * config.gcc (*-*-freebsd*): Remove configuration block.
+
+2001-11-19 Loren J. Rittle <ljrittle@acm.org>
+
+ bootstrap/4422
+ * configure.in: Setup ability to run ./stage[1234]/xgcc in
+ fixinc *as if* it were a proper lang subdirectory.
+ * configure: Rebuilt.
+
+2001-11-19 Loren J. Rittle <ljrittle@acm.org>
+
+ * config/freebsd.h: Remove DEFAULT_VTABLE_THUNKS (again).
+
+2001-11-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * 1750a.md: Don't use hex format for a const_int.
+
+2001-11-19 Geoffrey Keating <geoffk@redhat.com>
+
+ * expmed.c (extract_bit_field): Don't create invalid SUBREGs.
+
+2001-11-19 Zack Weinberg <zack@codesourcery.com>
+
+ * mkconfig.sh: Undefine ENABLE_NLS if GENERATOR_FILE is
+ defined (prevents link errors when gettext isn't in the system
+ library).
+
+2001-11-19 DJ Delorie <dj@redhat.com>
+
+ * read-rtl.c (ISDIGIT, ISSPACE): Make sure we have these.
+ (validate_const_int): New.
+ (read_rtx): Validate constant integers.
+ * config/i386/i386.md (pmulhrwv4hi3): Use decimal constants.
+
+2001-11-19 Jakub Jelinek <jakub@redhat.com>
+
+ * doc/hostconfig.texi (DUMPFILE_FORMAT): Move into the table.
+
+Mon Nov 19 16:57:44 2001 Douglas B. Rupp <rupp@gnat.com>
+
+ * toplev.c (DUMPFILE_FORMAT): Define default.
+ (open_dump_file): Use DUMPFILE_FORMAT in sprintf.
+ (close_dump_file, compile_file): Likewise.
+ * config/alpha/xm-vms.h (DUMPFILE_FORMAT): Define.
+ * doc/hostconfig.texi (DUMPFILE_FORMAT): Document
+
+2001-11-19 Jeff Law <law@redhat.com>
+
+ * gcse.c (cprop_jump): Clear JUMP_LABEL field when we create
+ a nop-jump.
+
+2001-11-19 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cppmacro.c (_cpp_backup_tokens): Revert previous check-in.
+ Don't fall off the base token run.
+
+2001-11-19 Jason Wilkins <fenix@io.com>
+
+ * Makefile.in: Use INSTALL_SCRIPT not INSTALL_PROGRAM.
+
+Mon Nov 19 15:13:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * tree.def (VIEW_CONVERT_EXPR): New tree code.
+ * tree.h (handled_component_p): New declaration.
+ * alias.c (handled_component_p): Move function from here ...
+ * expr.c (handled_component_p): ... to here and non longer static.
+ (is_zeros_p, case VIEW_CONVERT_EXPR): New case.
+ (store_field): Remove unneeded MEM_COPY_ATTRIBUTES call.
+ (get_inner_reference): Handle VIEW_CONVERT_EXPR.
+ (expand_expr, case VAR_DECL): Clean up handling of re-layout case.
+ (expand_expr, case VIEW_CONVERT_EXPR): New case.
+ (expand_expr, cse ADDR_EXPR): No need to copy if already
+ BIGGEST_ALIGNMENT.
+ * fold-const.c (fold, case VIEW_CONVERT_EXPR): New case.
+ * varasm.c (initializer_constant_value_p, case VIEW_CONVERT_EXPR): New.
+ (output_constant): Handle VIEW_CONVERT_EXPR.
+ * dwarf2out.c (loc-descriptor_from_tree, add_bound_info):
+ Add new case for VIEW_CONVERT_EXPR.
+
+2001-11-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * a29k/unix.h (ASM_FILE_START): Const-ify.
+ * i386/beos-elf.h (INCLUDE_DEFAULTS): Remove semi-colon.
+ * i386/isc.h (ASM_FILE_START): Const-ify.
+ * i386/sun386.h (ASM_FILE_START): Likewise.
+ * m32r.md: Likewise.
+ * m68k/auxas.h (ADDITIONAL_REGISTER_NAMES): Add missing brackets.
+ * m68k/auxgas.h ADDITIONAL_REGISTER_NAMES): Likewise.
+ * m68k/tower.h (REGISTER_NAMES): Remove semi-colon.
+ * mn10200.md: Initialize variable.
+
+Mon Nov 19 18:06:21 CET 2001 Jan Hubicka <jh@suse.cz>
+
+ * gcse.c (try_replace_reg): Copy RTX before creating note.
+
+ * df.h (df_ref_flags): New uenum.
+ (DF_REF_FLAGS): New macro.
+ (struct ref): Add field "flags".
+ * df.c (HANDLE_SUBREG): Remove.
+ (df_ref_create): Likewise; set flags field of ref.
+ (df_def_record_1): Strip down read_write subreg; remove
+ commented out code; set READ_WRITE flag.
+ (read_modify_subreg_p): New static function.
+ (df_uses_record): Cleanup SET handling; set READ_WRITE flag;
+ new argument "flags".
+ (df_insn_refs_record): Update call of df_uses_record.
+ (df_insn_modify): Avoid #if 0 around comment.
+ (df_dump): Dump the read/write flag.
+
+ * predict.c (propagate_freq): Make cyclic_probability and frequency
+ volatile
+
+ * i386.c (ix86_cc_mode): Accept USE.
+
+ * cfgrtl.c (purge_dead_edges): Cleanup EDGE_ABNORMAL flag if computed
+ jump is turned into simplejump.
+
+2001-11-19 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * doc/fragments.texi, doc/trouble.texi: Remove links to old
+ installation chapter.
+ * doc/gcc.texi: Don't claim that this manual documents
+ installation. Mark Installation menu entry as being out of date.
+
+Mon Nov 19 07:21:35 2001 Douglas B. Rupp <rupp@gnat.com>
+
+ * config/alpha/xm-vms.h: Don't define macros that autoconf handles.
+ (SUCCESS_EXIT_CODE, FATAL_EXIT_CODE): Define for posix compatibility.
+ * gcc.c (exit): Remove definition for VMS; moved to xm-vms.h.
+
+2001-11-19 Jason Merrill <jason@redhat.com>
+
+ * cppmacro.c (_cpp_backup_tokens): Pop cur_run before decrementing
+ cur_token, not after.
+
+ * config/clipper/clix.h, config/h8300/elf.h, config/mips/linux.h:
+ Lose ASM_OUTPUT_CONSTRUCTOR.
+ * system.h: Poison it and INT_ASM_OP.
+ * c-lang.c (finish_file): Don't check for it.
+ * libgcc2.c (L_ctors): Check TARGET_ASM_CONSTRUCTOR instead.
+
+2001-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * mmix.c (mmix_cc1_ignored_option): Const-ify.
+ (mmix_init_machine_status): Make static to match declaration.
+ (mmix_unique_section): Const-ify.
+ (mmix_output_quoted_string): Avoid automatic aggregate
+ initialization.
+ (mmix_output_register_setting): Likewise.
+ (mmix_output_shiftvalue_op_from_str): Likewise.
+
+ * mmix.h (mmix_cc1_ignored_option): Const-ify.
+ (ASM_OUTPUT_BYTE): Fix format specifier warning.
+ (ASM_GENERATE_INTERNAL_LABEL): Likewise.
+
+2001-11-18 Craig Rodrigues <rodrigc@gcc.gnu.org>
+
+ PR c/4448
+ * gthr-win32.h: (__gthread_objc_thread_exit): Fix variable
+ name __objc_thread_exit_status so that it matches the
+ variable defined in objc/thr.h.
+
+2001-11-18 Craig Rodrigues <rodrigc@gcc.gnu.org>
+
+ PR bootstrap/4020
+ * mklibgcc.in: Add missing semi-colons.
+ * Makefile.in: Same.
+
+Sun Nov 18 16:47:00 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * expr.c (expand_expr, case VAR_DECL): Update alignment of DECL_RTL
+ after re-laying out decl in incomplete case.
+ (expand_expr, case ADDR_EXPR): Fix typo in copy case.
+
+2001-11-18 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * doc/install-old.texi: Move some sections out to ...
+ * doc/collect2.texi, doc/configfiles.texi, doc/headerdirs.texi:
+ ... here. New files. Make into chapters rather than sections.
+ * doc/gcc.texi: Include the new files and add menu entries for
+ them.
+ * Makefile.in ($(docdir)/gcc.info, gcc.dvi): Update dependencies.
+
+Sun Nov 18 14:13:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * tree.h (TYPE_ALIGN_OK): New flag.
+ * emit-rtl.c (set_mem_attributes): Handle it.
+ * expr.c (emit_single_push_insn): Only set to alias set 0 if
+ doing sibcall optimization.
+ (expand_expr, case COMPONENT_REF): Call set_mem_attributes on case
+ when make temporary.
+ (expand_expr, case CONVERT_EXPR): Simplify convert-to-union case.
+ (expand_expr, case ADDR_EXPR): Abort if TYPE_ALIGN_OK and need copy.
+
+ * sdbout.c (sdbout_symbol): Avoid warning due to &DECL_RTL.
+
+2001-11-18 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-decl.c (c_decode_option): Give deprecation warning for
+ -traditional.
+ * doc/invoke.texi (-traditional): Note that this option is
+ deprecated.
+
+Sun Nov 18 07:40:07 2001 Douglas B. Rupp <rupp@gnat.com>
+
+ * config/alpha/alpha.c (alpha_start_function, VMS): Cast shift
+ arg to HOST_WIDE_INT, not long.
+
+ * config/alpha/vms.h (DIR_SEPARATOR, PREFIX). Don't define.
+ (HAS_INIT_SECTION): Define.
+ (REAL_ARITHMETIC): Don't undefine.
+
+2001-11-18 Egor Duda <deo@logos-m.ru>
+
+ * config/i386/cygwin.h: Strip leading '*' from name, if any.
+
+2001-11-18 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * Makefile.in (c-parse.o, c-common.o): Update dependencies.
+ * c-common.c: Include diagnostic.h.
+ (c_common_finish): New.
+ * c-common.h (c_common_finish): New.
+ * c-lang.c (LANG_HOOKS_FINISH): Override.
+ * c-parse.in: Don't include diagnostic.h.
+ (finish_parse): Remove.
+ * langhooks.h: Update comments.
+ * toplev.c (lang_dependent_init): New prototype.
+ (finalize): New.
+ (compile_file): Split cleanup code out to finalize.
+ (lang_dependent_init): Stop if lang_hooks.init fails.
+ (toplev_main): Update.
+ * tree.h (finish_parse): Remove.
+objc:
+ * objc-act.c (LANG_HOOKS_FINISH): Override.
+
+Sat Nov 17 23:30:44 2001 Douglas B. Rupp <rupp@gnat.com>
+
+ * config/alpha/t-vms (LIB2FUNCS_EXTRA): Add vms_tramp.asm.
+ * config/alpha/vms_tramp.asm: New file.
+ * config/alpha/vms-tramp.asm: Removed.
+
+2001-11-18 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-common.c (struct disabled_builtin, disabled_builtins,
+ disable_builtin_function, builtin_function_disabled_p): New.
+ (builtin_function_2): Check for disabled built-in functions.
+ * c-common.h (disable_builtin_function): Declare.
+ * c-decl.c (c_decode_option): Handle -fno-builtin-FUNCTION.
+ * doc/invoke.texi: Document -fno-builtin-FUNCTION.
+ * doc/extend.texi: Mention -fno-builtin-FUNCTION.
+
+2001-11-17 Craig Rodrigues <rodrigc@gcc.gnu.org>
+
+ PR target/4606
+ * config.gcc: Remove reference to va-clipper.h.
+
+2001-11-17 Stan Shebs <shebs@apple.com>
+
+ * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Fix the
+ AltiVec-related bitfields.
+
+Sat Nov 17 12:06:31 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * except.c (enum eh_region_type): Add ERT_UNKNOWN.
+ (mark_eh_region, case ERT_UKNONW): New case.
+
+2001-11-17 Christopher Faylor <cgf@redhat.com>
+ Corinna Vinschen <vinschen@redhat.com>
+
+ * config/i386/cygwin.h: Search target specific include directory for
+ w32api stuff, if appropriate.
+
+Sat Nov 17 08:20:44 2001 Douglas Rupp <rupp@gnat.com>
+
+ * config/alpha/vms.h (REG_ALLOC_ORDER): Redefine.
+
+2001-11-16 Aldy Hernandez <aldyh@redhat.com>
+
+ * config/rs6000/rs6000.md: Change all ldvx to lvx.
+
+2001-11-16 Alexandre Oliva <aoliva@redhat.com>
+
+ * gensupport.c (process_rtx): Don't assume filename is the first
+ argument of any rtl.
+
+2001-11-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
+
+ * vax-protos.h (reg_was_0_p): New prototype.
+ * vax.md (movsi, movhi, movqi): Use reg_was_0_p.
+ * vax.c (follows_p, reg_was_0_p): New functions.
+
+2001-11-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
+
+ * vax.md (casesi): Swap arguments in "(plus:SI (pc) (mult))". Reformat.
+ (casesi1): Likewise. Define new pattern which arises by simplification
+ when operand 1 is a constant int. Correct pattern which arises by
+ simplification when operand 1 is zero.
+
+2001-11-16 David O'Brien <obrien@FreeBSD.org>
+
+ * config.gcc (arm*-*-rtems*, arm-*-coff*, armel-*-coff*,
+ arm-*-vxworks*, arm-*-riscix1.[01]*, arm-*-riscix*,
+ arm-semi-aout, armel-semi-aout, arm-semi-aof, armel-semi-aof,
+ arm*-*-netbsd*, arm*-*-linux*, arm*-*-uclinux*, arm*-*-aout,
+ arm*-*-ecos-elf, arm*-*-elf, arm*-*-conix*, arm*-*-oabi,
+ arm-*-pe*, strongarm-*-elf*, strongarm-*-coff*, strongarm-*-pe,
+ xscale-*-elf, xscale-*-coff: Include various CPU headers via tm_file.
+ * config/arm/aof.h: Don't include arm.h.
+ * config/arm/aout.h: Likewise.
+ * config/arm/coff.h: Don't include semi.h and aout.h.
+ * config/arm/elf.h: Don't include aout.h.
+ * config/arm/netbsd.h: Don't include netbsd.h and aout.h.
+ (TARGET_VERSION): Undef before defining.
+ (ARM_OS_NAME): Likewise
+ (TARGET_DEFAULT): Likewise
+ (TARGET_MEM_FUNCTIONS): Do not need to undefine now.
+ * config/arm/pe.h: Don't include arm/coff.h.
+ * config/arm/riscix.h (CPP_SPEC, SUBTARGET_CPP_SPEC): Use
+ SUBTARGET_CPP_SPEC rather than overiding the arm.h CPP_SPEC definition.
+ * config/arm/riscix1-1.h: Likewise.
+ * config/arm/rix-gas.h: Don't include riscix.h.
+ (DBX_CONTIN_LENGTH): Undef before defining.
+ * config/arm/semi.h: Don't include aout.h.
+ * config/arm/semiaof.h: Don't include aof.h.
+ * config/arm/strongarm-coff.h: Don't include coff.h.
+ * config/arm/strongarm-pe.h: Don't include strongarm-coff.h and pe.h.
+ * config/arm/vxarm.h: Don't include arm/coff.h.
+ * config/arm/xscale-coff.h: Don't include coff.h.
+
+Fri Nov 16 15:22:35 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * config/pa/pa.c: Reflect changes in calling sequences of alter_reg and
+ emit_cmp_insn.
+
+2001-11-16 Andreas Jaeger <aj@suse.de>
+
+ * cfglayout.c (fixup_fallthru_exit_predecesor): Make void, rename
+ to ....
+ (fixup_fallthru_exit_predecessor): ... this.
+ Change callers and prototype.
+
+2001-11-16 Bernd Schmidt <bernds@redhat.com>
+
+ * config/i386/i386.c (ix86_expand_sse_comi): Generate setcc by
+ hand; don't use gen_setcc_2.
+ (ix86_expand_builtin): Fix pshufw.
+ * config/i386/i386.md (maskncmpv4sf3, vmmmaskncmpv4sf3): Special
+ case UNORDERED to emit the right assembler instruction.
+ (mmx_pshufw): Lose operand 2.
+ (cvtsi2ss): Fix representation.
+ From Graham Stott:
+ (mmx_clrdi, sse_clrti, stmxcsr, ldmxcsr): Set memory attribute.
+
+2001-11-16 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * doc/include/linux-and-gnu.texi: Remove.
+ * doc/gnu.texi: New.
+ * doc/gcc.texi: Include gnu.texi instead of linux-and-gnu.texi.
+ * Makefile.in ($(docdir)/gcc.info, gcc.dvi): Update dependencies.
+
+2001-11-16 Kazu Hirata <kazu@hxi.com>
+
+ * config/a29k/a29k.c: Fix comment formatting.
+ * config/a29k/a29k.h: Likewise.
+ * config/arc/arc.c: Likewise.
+ * config/arc/arc.h: Likewise.
+ * config/vax/vax.c: Likewise.
+ * config/vax/vax.h: Likewise.
+ * config/we32k/we32k.c: Likewise.
+ * config/we32k/we32k.h: Likewise.
+
+2001-11-16 Jeff Law <law@redhat.com>
+
+ * unroll.c (copy_loop_body): Initialize JUMP_LABEL field after
+ creating a new jump insn.
+
+Fri Nov 13 09:06:25 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * expr.c (expand_expr, case ADDR_EXPR): Refine test for when to
+ copy misaligned data.
+ * varasm.c (assemble_variable): Set alignment into MEM when changed.
+
+2001-11-16 Graham Stott <grahams@redhat.com>
+
+ * optabs.c (prepare_cmp_insn): Correct lossage in last change fix
+ OPALIGN type.
+
+2001-11-16 Olivier Hainque <hainque@act-europe.fr>
+
+ * except.c: Support for catching a list of types with a single handler
+ (struct eh_region): Change type and filter to lists for catch regions.
+ (mark_eh_region): Mark the filter list for GC also.
+ (expand_start_catch): Always build a list if argument not NULL and
+ register each type of the list through add_type_for_runtime.
+ (duplicate_eh_region_1): Change type into type_list for catch regions.
+ (assign_filter_values): Assign a filter to each type associated with a
+ catch region. Assign filter for NULL types in a unique entry in the
+ filter list.
+ (build_post_landing_pads): Emit compare and jump for each filter of
+ the list associated with a catch region.
+ (reachable_next_level): When the type thrown is known, stop the search
+ as soon as one type within a catch list matches. Also, a handler is
+ potentially reachable only if at least one of the types it catches
+ has not been previously caught.
+ (collect_one_action_chain): Retrieve the filter for a NULL type list
+ from the first filter list entry. For non NULL type lists, add an
+ action record for every filter assigned.
+ * except.h: Reflect changes in comment before expand_start_catch.
+
+Fri Nov 16 07:12:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * expr.c (expand_expr, case ADDR_EXPR): Only copy for misaligned if
+ BLKmode.
+
+Fri Nov 16 06:37:05 2001 Andreas Tobler <a.tobler@schweiz.ch>
+
+ * config/sparc/sparc.c: Remove ALIGN arg from emit_cmp_insn.
+
+2001-11-16 Jakub Jelinek <jakub@redhat.com>
+
+ * c-lang.c (finish_file): Don't emit static inline functions if
+ they weren't referenced.
+
+2001-11-15 Stan Shebs <shebs@apple.com>
+
+ * expr.c (expand_expr, case COMPONENT_REF): Fix variable ref.
+
+2001-11-16 Bryce McKinlay <bryce@waitaki.otago.ac.nz>
+
+ * config/s390/s390.md: Remove ALIGN arg from emit_cmp_and_jump_insns
+ call.
+ * config/i386/i386.md: Likewise.
+
+Thu Nov 15 21:40:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * timevar.c (rtl.h): Include so get fancy abort.
+
+2001-11-15 Dale Johannesen <dalej@apple.com>
+
+ * config/darwin.h (SELECT_RTX_SECTION): Force address
+ initializers into 'const' section
+ * config/rs6000/rs6000.c (rs6000_emit_cmove): Fix mode of
+ if_then_else to match result, not operands
+
+Thu Nov 15 17:57:48 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * alias.c (nonoverlapping_memrefs): Use REGNO_PTR_FRAME_P.
+ * emit-rtl.c (change_address): Fix typo in default alignment.
+ (adjust_address_1): Use mode of NEW, not MODE, when setting size.
+ * expr.c (highest_pow2_factor, case WITH_RECORD_EXPR): New case.
+ * rtl.h (REGNO_PTR_FRAME_P): New macro.
+
+ * expr.c (store_field): Pass tree instead of max size; callers changed.
+ Change handling of alignment.
+ Only copy to_rtx if is TARGET.
+ (expand_expr_unaligned): Delete; callers now use expand_expr.
+ (emit_cmp_insn): No longer take ALIGN parm; all callers changed.
+ (expand_assignment): Change handling of alignment.
+ Only copy to_rtx if was original.
+ (get_inner_reference): No longer return alginment; callers changed.
+ (expand_expr, case COMPONENT_REF): Change handling of alignment.
+ (expand_expr, case ADDR_EXPR): Make copy if not sufficiently aligned.
+ (compare_from_rtx): Delete ALIGN parm; all callers changed.
+ (do_compare_rtx_and_jump): Likewise.
+ * expr.h: Reflect above changes.
+ * tree.h: Likewise.
+ * dwarf2out.c (loc_descriptor_from_tree): Remove ALIGN parameter
+ to get_inner_reference.
+ * builtins.c: Remove ALIGN parm in call to emit_cmp_and_jump_insns.
+ * doloop.c, except.c, explow.c, loop.c, stmt.c, unroll.c: Likewise.
+ * optabs.c: Likewise.
+ (prepare_cmp_insn): Now static; remove ALIGN parm. Callers changed.
+ (emit_cmp_and_jump_insns): Remove ALIGN parm; all callers changed.
+ * expmed.c: Remove ALIGN arg from calls to compare_from_rtx,
+ compare_rtx_and_jump, and emit_cmp_jump_insns.
+ * fold-const.c: Remove PALIGN in calls to get_inner_reference.
+ * function.c (assign_stack_temp_for_type): No longer static.
+ * optabs.h (emit_cmp_insn): Remove ALIGN parm.
+ (prepare_cmp_insn): Delete declaration.
+ * rtl.h (assign_stack_temp_for_type): Add declaration.
+ * config/alpha/alpha.c, config/d30v/d30v.c: Reflect above changes.
+ * config/clipper/clipper.c, config/h8300/h8300.c: Likewise.
+ * config/i386/i386.c,config/mips/mips.c: Likewise.
+ * config/i860/i860.c, config/ia64/ia64.c: Likewise.
+ * config/rs6000/rs6000.c, config/sh/sh.c: Likewise.
+
+2001-11-15 Stan Shebs <shebs@apple.com>
+
+ * config/rs6000/rs6000.h: Fix a comment typo.
+ (RTX_COSTS): Sort processor versions better.
+
+2001-11-15 Kazu Hirata <kazu@hxi.com>
+
+ * config/h8300/h8300.md: Fix insn length of bit insns.
+
+2001-11-15 Jason Merrill <jason@redhat.com>
+
+ * dwarf2out.c (dwarf2out_finish): Don't abort because of orphan
+ DIEs if there were errors in the source.
+
+ * config/alpha/alpha-interix.h, config/alpha/elf.h,
+ config/arm/coff.h, config/i386/djgpp.h, config/i386/i386.c,
+ config/i386/i386.h, config/i386/sco5.h, config/i960/i960-coff.h,
+ config/m68k/coff.h, config/m88k/m88k.h, config/m88k/m88k.c,
+ config/pa/pa64-hpux.h, config/sh/sh.h, config/sparc/litecoff.h,
+ config/elfos.h, config/lynx.h, config/netware.h,
+ config/m68hc11/m68hc11.h, config/mcore/mcore-pe.h,
+ config/s390/linux64.h: Remove definitions of INT_ASM_OP, change
+ uses to use ASM_LONG.
+
+2001-11-15 Alan Matsuoka <alanm@redhat.com>
+
+ * gensupport.c process_include : Change call to alloca to
+ xmalloc.
+
+2001-11-15 Aldy Hernandez <aldyh@redhat.com>
+
+ * config/rs6000/rs6000.md: Use spaces instead of tabs in output
+ templates.
+
+Thu Nov 15 08:36:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * final.c (alter_subreg): If simplify_subreg can't do anything,
+ handle REG ourselves and abort for others.
+
+2001-11-15 Richard Hodson <hodsonr@dionecorp.com>
+
+ * config/h8300/h8300.c (dosize): Avoid corrupting R3 in interrupt
+ routines.
+
+2001-11-15 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * fix-header.c (read_scan_file): Update.
+
+Thu Nov 15 08:36:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * toplev.c (toplev_main): Don't start timing until after
+ command-line options are parsed.
+
+2001-11-15 Andreas Schwab <schwab@suse.de>
+
+ * config.gcc: Set STMP_FIXPROTO and FIXPROTO_DEFINES in target
+ makefile frag, not host makefile frag.
+ (m88k-dg-dguxbcs*): Add m88k/t-dgux to tmake_file.
+ (hppa*): Add pa/t-bsd to tmake_file where no special xmake_file is
+ used.
+ (hppa*-*-openbsd*): Don't use nonexitent pa/t-openbsd.
+ * config/m88k/t-dguxbcs: Remove definitions already in t-dgux.
+ * config/m88k/t-dgux (STMP_FIXPROTO): Define.
+ * config/i386/t-cygwin (STMP_FIXPROTO): Define.
+ * config/i386/t-dgux (STMP_FIXPROTO): Define.
+ * config/x-interix: Don't define STMP_FIXPROTO and
+ FIXPROTO_DEFINES.
+ * config/t-interix: New file, define STMP_FIXPROTO.
+ * config/i386/x-beos (STMP_FIXPROTO): Don't define here.
+ * config/i386/t-beos (STMP_FIXPROTO): Define here instead.
+ * config/t-svr4 (FIXPROTO_DEFINES): Define.
+ * config/arm/t-riscix (FIXPROTO_DEFINES): Define.
+ * config/i386/t-sco5 (FIXPROTO_DEFINES): Define.
+ * config/i386/t-sco5gas (FIXPROTO_DEFINES): Define.
+ * config/m68k/t-hp3200: Renamed from x-hp3200.
+ * config/i370/t-oe: Renamed from x-oe.
+ * config/mips/t-iris: Renamed from x-iris.
+ * config/pa/t-bsd: Renamed from x-pa.
+ * config/pa/t-pa-hpux: Renamed from x-pa-hpux.
+ * config/x-linux, config/i386/x-cygwin, config/i386/x-dgux,
+ config/m88k/x-dgux, config/x-svr4, config/arm/x-riscix,
+ config/i386/x-sco5, config/m68k/x-hp320g, config/mips/x-iris6,
+ config/rs6000/x-cygwin: Remove files.
+
+ * configure.in: Check for target objdump and use that in eh_frame
+ optimization test.
+ * configure: Regenerated.
+
+2001-11-15 Jakub Jelinek <jakub@redhat.com>
+
+ * jump.c (squeeze_notes): Return true if no real insns were found.
+ * rtl.h (squeeze_notes): Adjust prototype.
+ * cfgcleanup.c (merge_blocks_move_predecessor_nojumps): If
+ squeeze_notes finds no real instructions, abort.
+ (merge_blocks_move_successor_nojumps): Likewise.
+ * loop.c (find_and_verify_loops): Likewise.
+ * stmt.c (expand_end_case): Likewise.
+ * ifcvt.c (dead_or_predicable): Return TRUE if squeeze_notes doesn't
+ find any real instructions.
+
+ * config/ia64/ia64.c (ia64_adjust_cost): Handle SUBREGs.
+
+ * cfgcleanup.c (try_optimize_cfg): If try_simplify_condjump optimized
+ conditional jump, request updating life into for the block
+ containing it. Fix a typo which prevented life info update.
+ Clear blocks bitmap before using it.
+
+2001-11-15 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * c-common.c: Include c-lex.h.
+ (c_common_lang_init): Change prototype. Call init_c_lex and
+ init_pragma from here.
+ * c-common.h (c_common_lang_init): Change prototype.
+ * c-decl.c (init_decl_processing): Rename. Call c_parse_init.
+ * c-lang.c (c_init): Change prototype. Update.
+ (c_init_options): Update.
+ * c-lex.c (cpp_filename): Remove.
+ (init_c_lex): Update. Read the main file, and get the original
+ file name.
+ (yyparse): Finish the command line options.
+ * c-parse.in (c_parse_init): Call init_reswords here.
+ (init_parse): Remove.
+ * c-tree.h (c_init_decl_processing): New.
+ * cpphash.c (_cpp_init_hashtable): After initializing the hash
+ table, populate it.
+ * cppinit.c (read_original_filename, cpp_finish_options): New.
+ (cpp_create_reader): New prototype. Defer hash table initialization.
+ (cpp_start_read): Rename cpp_read_main_file. Initialize the
+ hash table. Get the original filename.
+ * cpplib.h (cpp_create_reader): Update.
+ (cpp_start_read): Remove.
+ (cpp_read_main_file, cpp_finish_options): New.
+ * cppmain.c (main, do_preprocessing): Update.
+ * langhooks.h (struct langhooks): Update init prototype.
+ * toplev.c (general_init, parse_options_and_default_flags,
+ process_options, lang_indpendent_init, lang_dependent_init,
+ init_asm_output): New; perform the bulk of initialization.
+ (compile_file): Move most of initialization to above functions.
+ (debug_hooks): Initialize statically.
+ (set_Wunused): Relocate.
+ (toplev_main): Move most of initialization to other init functions.
+ Have a clear logic flow.
+ * tree.h (init_parse, init_decl_processing): Remove.
+objc:
+ * objc-act.c (objc_init): Update prototype, combine with old
+ init_parse.
+ (objc_init_options): Update.
+
+
+2001-11-15 Andreas Jaeger <aj@suse.de>
+
+ * cfgrtl.c (purge_all_dead_edges): Use int as argument for
+ portability.
+ * basic-block.h: Adjust prototype.
+
+2001-11-15 Kazu Hirata <kazu@hxi.com>
+
+ * config/rs6000/aix31.h: Fix comment formatting.
+ * config/rs6000/beos.h: Likewise.
+ * config/rs6000/darwin.h: Likewise.
+ * config/rs6000/eabi.asm: Likewise.
+ * config/rs6000/linux.h: Likewise.
+ * config/rs6000/linux64.h: Likewise.
+ * config/rs6000/lynx.h: Likewise.
+ * config/rs6000/netbsd.h: Likewise.
+ * config/rs6000/rs6000.c: Likewise.
+ * config/rs6000/rs6000.h: Likewise.
+ * config/rs6000/rs6000.md: Likewise.
+ * config/rs6000/sol2.h: Likewise.
+ * config/rs6000/tramp.asm: Likewise.
+ * config/rs6000/xcoff.h: Likewise.
+ * config/rs6000/xm-beos.h: Likewise.
+
+2001-11-14 Alan Matsuoka <alanm@redhat.com>
+
+ * rtl.def (INCLUDE) : Define.
+ * gensupport.c (init_include_reader, process_include,
+ save_string) : New functions to implement an include facility
+ in .md files.
+ * gensupport.h : Add prototype for init_md_reader_args.
+ * genattr.c genattrtab.c gencodes.c genconfig.c genemit.c
+ genextract.c genflags.c genopinit.c genoutput.c
+ genpeep.c genrecog.c: Change call to init_md_reader to
+ init_md_reader_args.
+ * md.texi: Document (include "path") and -I directives for RTL
+ generation tools.
+
+2001-11-14 DJ Delorie <dj@redhat.com>
+
+ * integrate.c (get_hard_reg_initial_reg): New.
+ * integrate.h (get_hard_reg_initial_reg): Prototype.
+ * local-alloc.c (block_alloc): Don't tie pseudos that
+ represent call-saved hard regs' initial values.
+
+2001-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * m68k/linux.h: Include <linux.h> not "linux.h" to avoid infinite
+ recursion.
+
+2001-11-14 Roger Sayle <roger@eyesopen.com>
+
+ * fold-const.c (fold): Optimize strlen comparisons against zero.
+
+2001-11-14 David O'Brien <obrien@FreeBSD.org>
+
+ * config.gcc (sparc64-wrs-vxworks*, sparc-*-netbsd*, sparc-*-openbsd*,
+ sparc-*-chorusos*, sparc-*-elf*, sparc-*-linux*aout*,
+ sparc-*-linux*libc1*, sparc-*-linux*, sparc-*-lynxos*, sparc-*-rtems*,
+ sparc-*-rtemself*, sparc-hal-solaris2*, sparc-*-solaris2*,
+ sparc-*-sunos4.0*, sparc-*-sunos4*, sparc-*-sunos3*, sparc-*-sysv4*,
+ sparc-*-vxsim*, sparclite-*-aout*, sparclite-*-elf*, sparc86x-*-aout*,
+ sparc86x-*-elf*, sparc64-*-aout*, sparc64-*-elf*, sparc64-*-linux*):
+ Include various CPU headers via tm_file. a.out based platforms now
+ properly include sparc/aout.h. sol2.h usage now implies including
+ elfos.h, svr4.h, and sparc/sysv4.h.
+ * config/netbsd.h (TARGET_MEM_FUNCTIONS): Undef before defining it.
+ Also define to '1'.
+ * sparc/sparc.h (CPP_PREDEFINES, TARGET_VERSION, WORD_SWITCH_TAKES_ARG,
+ SELECT_SECTION, ASM_DECLARE_FUNCTION_NAME, TEXT_SECTION_ASM_OP,
+ DATA_SECTION_ASM_OP, DBX_REGISTER_NUMBER, ASM_OUTPUT_SOURCE_LINE):
+ Remove. They are a.out specific and belong in sparc/aout.h.
+ * sparc/aout.h (TARGET_VERSION, WORD_SWITCH_TAKES_ARG, SELECT_SECTION,
+ ASM_DECLARE_FUNCTION_NAME, TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP,
+ DBX_REGISTER_NUMBER, ASM_OUTPUT_SOURCE_LINE): Define. Moved here from
+ sparc/sparc.h.
+ * sparc/litecoff.h (WORD_SWITCH_TAKES_ARG, ASM_DECLARE_FUNCTION_NAME,
+ TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP, DBX_REGISTER_NUMBER): Define.
+ Moved here from sparc/sparc.h.
+ * config/sparc/linux-aout.h (DEFAULT_PCC_STRUCT_RETURN): Undef before
+ defining.
+ * config/sparc/linux64.h (UNALIGNED_DOUBLE_INT_ASM_OP): Undef before
+ * config/sparc/lynx.h: Don't include lynx.h.
+ (SELECT_SECTION): Do not undef.
+ * config/sparc/openbsd.h: Don't include sparc/sparc.h.
+ * config/sparc/sol2-sld-64.h: Include sparc/sparc.h, elfos.h, svr4.h,
+ and sparc/sysv4.h.
+ * config/sparc/sol2.h: Don't include sparc/sparc.h and sparc/sysv4.h.
+ * config/sparc/sp64-aout.h (CPP_PREDEFINES): Don't define. Get from
+ sparc/aout.h now.
+ * config/sparc/sp64-elf.h (DWARF_DEBUGGING_INFO, DWARF2_DEBUGGING_INFO):
+ Don't undef, there is no need.
+ * config/sparc/splet.h (CPP_PREDEFINES): Define.
+ * config/sparc/sun4o3.h (CPP_PREDEFINES): Likewise.
+ * config/sparc/sunos4.h (CPP_PREDEFINES): Likewise.
+ Don't include sparc/sparc.h.
+ * config/sparc/sysv4.h (WORD_SWITCH_TAKES_ARG, ASM_OUTPUT_SOURCE_LINE,
+ SELECT_SECTION, ASM_DECLARE_FUNCTION_NAME, TEXT_SECTION_ASM_OP,
+ DATA_SECTION_ASM_OP): Don't undef, there is no need now. Don't include
+ elfos.h and svr4.h.
+ (TARGET_VERSION): Define.
+ * config/sparc/vxsim.h (TARGET_VERSION): Define.
+
+Wed Nov 14 19:46:08 CET 2001 Jan Hubicka <jh@suse.cz>
+
+ * cfglayout.c (fixup_fallthru_exit_predecesor): New static function.
+ (cfg_layout_finalize): Use it.
+ * bb-reorder.c (HAVE_epilogue): Remove.
+ (make_reorder_chain): Do not care special placement of
+ last basic block.
+
+ * predict.c (expected_value_to_br_prob): Delete the note
+ once transformed.
+
+ * c-decl.c (c_expand_body): Fix TV_EXPAND nesting problem;
+ measure integration time separately.
+
+Wed Nov 14 12:30:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * function.c (struct temp_slot): ALIGN now unsigned.
+
+2001-11-14 Kazu Hirata <kazu@hxi.com>
+
+ * config/dsp16xx/dsp16xx.c: Fix comment formatting.
+ * config/dsp16xx/dsp16xx.h: Likewise.
+ * config/dsp16xx/dsp16xx.md: Likewise.
+
+2001-11-14 Kazu Hirata <kazu@hxi.com>
+
+ * config/h8300/h8300.c (get_shift_alg): Reorganize the code
+ that deals with 7-bit shifts in HImode.
+
+Wed Nov 14 14:17:05 CET 2001 Jan Hubicka <jh@suse.cz>
+
+ * dbxout.c (dbxout_symbol_location): Update call of alter_subreg.
+ * final.c (walk_alter_subreg): Take pointer; update call of alter_subreg.
+ (final_scan_insn): Update call of alter_subreg.
+ (cleanup_subreg_operands): Likewise.
+ (alter_subreg): Rewrite using simplify_subreg.
+ (output_address, output_operand): Update call of alter_subreg.
+ * output.h (alter_subreg): Update prototype.
+ * sdbout.c (sdbout_symbol): Update call of alter_subreg.
+ * simplify-rtx.c (simplify_subreg): Copy ORIGINAL_REGNO.
+ * Makefile.in (final.o): Add dependency on expr.h
+
+Wed Nov 14 06:37:54 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * c-lang.c (finish_file): Make I unsigned to eliminate warning.
+
+2001-11-13 Jeff Sturm <jsturm@one-point.com>
+
+ * doc/install.texi (sparc-*-linux*): Mention requirements for
+ binutils and glibc.
+
+2001-11-14 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * Makefile.in (POD2MAN): Don't include --section=1.
+ (manext): Rename to man1ext. All users changed.
+ (man7ext): New.
+ (man7dir): New.
+ (generated-manpages): Also depend on $(docdir)/gfdl.7,
+ $(docdir)/gpl.7, and $(docdir)/fsf-funding.7.
+ ($(docdir)/gcov.1, $(docdir)/cpp.1, $(docdir)/gcc.1): Include
+ --section=1 in calls to $(POD2MAN).
+ ($(docdir)/gfdl.7, $(docdir)/gpl.7, $(docdir)/fsf-funding.7): New.
+ (maintainer-clean, install, uninstall): Handle the new man pages.
+ ($(docdir)/cpp.info, cpp.dvi): Depend on fdl.texi.
+ (installdirs): Create man7dir.
+ * doc/cpp.texi: Include GFDL in this manual. In the man page,
+ refer to gfdl(7) for the GFDL. Apply Front Cover and Back Cover
+ texts to man page. Include gpl(7), gfdl(7) and fsf-funding(7) in
+ the SEE ALSO man page section.
+ * doc/gcov.texi: Apply GFDL to man page. Include gpl(7), gfdl(7)
+ and fsf-funding(7) in the SEE ALSO man page section.
+ * doc/invoke.texi: Apply GFDL to man page. Include gpl(7),
+ gfdl(7) and fsf-funding(7) in the SEE ALSO man page section.
+ * doc/include/fdl.texi, doc/include/funding.texi,
+ doc/include/gpl.texi: Adjust for conversion by texi2pod.pl.
+ * doc/.cvsignore: Add gfdl.7, gpl.7 and fsf-funding.7.
+
+2001-11-13 Richard Henderson <rth@redhat.com>
+
+ * dwarf2asm.c (dw2_force_const_mem): Set PUBLIC or STATIC
+ as appropriate for the artificial decl.
+
+2001-11-13 Richard Henderson <rth@redhat.com>
+
+ * loop.c (combine_movables): Turn off combination until
+ move_movables validation bugs are fixed.
+
+2001-11-13 DJ Delorie <dj@redhat.com>
+
+ * config.gcc (powerpc|rs6000): Set default cpp options based
+ on --with-cpu settings.
+ * config/rs6000/softfloat.h: New.
+
+2001-11-13 Kazu Hirata <kazu@hxi.com>
+
+ * config/h8300/h8300.c (shift_alg_si): Use special code for
+ 25-bit shifts on H8S.
+ (get_shift_alg): Generate special code for 25-bit shifts on
+ H8S.
+
+2001-11-13 Jakub Jelinek <jakub@redhat.com>
+
+ * emit-rtl.c (adjust_address_1): Add ADJUST argument.
+ (adjust_automodify_address_1): New.
+ * expr.h (adjust_address, adjust_address_nv): Adjust.
+ (adjust_automodify_address, adjust_automodify_address_nv): Define.
+ (adjust_address_1): Update prototype.
+ (adjust_automodify_address_1): Add prototype.
+ * expr.c (move_by_pieces_1): Use adjust_automodify_address.
+ (store_by_pieces_2): Likewise.
+
+Tue Nov 13 05:45:40 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * Makefile.in (explow.o): Now depends on ggc.h.
+ * explow.c (ggc.h): Include.
+ (set_stack_check_libfunc): Mark stack_check_libfunc as ggc root.
+
+ * Makefile.in (expr.o): Depends on insn-attr.h.
+ * expr.c (insn-attr.h): New include.
+ (force_operand): If INSN_SCHEDULING, deal with paradoxical SUBREG
+ of MEM.
+ (highest_pow2_factor, case INTEGER_CST): Handle negative values.
+ (expand_expr): Remove unneeded mark_temp_addr_taken calls and
+ clean up related usage in ADDR_EXPR.
+ (expand_expr_unaligned): Likewise.
+
+ * emit-rtl.c (change_address): Fix typo in alias setting.
+
+2001-11-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * Makefile.in (cfgcleanup.o): Depend on insn-config.h
+
+2001-11-12 Craig Rodrigues <rodrigc@gcc.gnu.org>
+
+ PR bootstrap/3451
+ * c-pragma.c: Rename macros BAD, BAD2, BAD_ACTION to
+ GCC_BAD, GCC_BAD2, GCC_BAD_ACTION.
+
+2001-11-12 David O'Brien <obrien@FreeBSD.org>
+
+ * config.gcc (sparc-tti-*, sparc64-wrs-vxworks*, sparc-wrs-vxworks*,
+ sparclite-wrs-vxworks*, sparc-*-aout*, sparc-*-netbsd*,
+ sparc-*-chorusos*, sparc-*-linux*aout*, sparc-*-linux*libc1*,
+ sparc-*-linux*, sparc-*-lynxos*, sparc-*-rtemsaout*, sparc-*-rtems*,
+ sparc-*-rtemself*, sparc-*-solaris2*, sparc-*-sunos3*, sparc-*-sysv4*,
+ sparc-*-vxsim*, sparclet-*-aout*, sparclite-*-coff*, sparclite-*-aout*,
+ sparc86x-*-aout*, sparc86x-*-elf*, sparc64-*-aout*, sparc64-*-elf*,
+ sparc64-*-linux*): Include various CPU headers via tm_file.
+ * config/svr3.h (ASM_OUTPUT_IDENT): Undef before defining it.
+ (SELECT_SECTION): Likewise.
+ (SELECT_RTX_SECTION): Likewise.
+ * config/sparc/sparc_bi.h: New file.
+ * config/sparc/aout.h: Don't include sparc/sparc.h and aoutos.h.
+ * config/sparc/linux-aout.h: Likewise.
+ * config/sparc/linux.h: Don't include sparc/sysv4.h.
+ * config/sparc/linux64.h: Likewise.
+ (SPARC_BI_ARCH): Don't define. sparc_bi.h will do it instead.
+ * config/sparc/lite.h: Don't include sparc/sparc.h and gofast.h.
+ * config/sparc/litecoff.h: Don't include sparc/lite.h, svr3.h,
+ and dbxcoff.h
+ (ASM_OUTPUT_IDENT): Do not #undef.
+ (SELECT_SECTION): Likewise.
+ (SELECT_RTX_SECTION): Likewise.
+ * config/sparc/liteelf.h: Don't include gofast.h.
+ * config/sparc/lynx-ng.h: Don't include sparc/sparc.h and lynx-ng.h.
+ * config/sparc/lynx.h: Don't include sparc/sparc.h.
+ * config/sparc/pbd.h: Likewise.
+ * config/sparc/netbsd.h: Don't include sparc/sparc.h and netbsd.h.
+ * config/sparc/rtems.h: Don't include sparc/aout.h and rtems.h.
+ * config/sparc/rtemself.h: Don't include rtems.h.
+ * config/sparc/sol2-64.h: Don't include sparc/sol2-sld-64.h.
+ * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Don't define, include
+ sparc_bi.h instead.
+ * config/sparc/sol2-sld.h: Don't include sparc/sol2.h.
+ * config/sparc/sol2.h: Include sparc/sparc.h directly.
+ * config/sparc/sp64-aout.h: Don't include sparc/sparc.h and aoutos.h.
+ * config/sparc/sp64-elf.h: Don't include sparc/sol2.h.
+ * config/sparc/sp86x-aout.h: Don't include sparc/sparc.h and gofast.h.
+ * config/sparc/sp86x-elf.h: Don't include gofast.h.
+ * config/sparc/splet.h: Don't include sparc/aout.h.
+ * config/sparc/sun4o3.h: Don't include sparc/sparc.h.
+ * config/sparc/sysv4.h: Don't include sparc/sparc.h directly.
+ * config/sparc/vxsim.h: Don't include sparc/sysv4.h.
+ * config/sparc/vxsparc.h: Don't include sparc/aout.h and gofast.h.
+ * config/sparc/vxsparc64.h: Don't include gofast.h.
+ (SPARC_BI_ARCH): Don't define. sparc_bi.h will do it instead.
+
+2001-11-12 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * doc/standards.texi: Mention C99 TC1.
+
+2001-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * mips-protos.h (mips_output_conditional_branch): Const-ify.
+ * mips.c (mips_output_conditional_branch): Likewise.
+
+2001-11-12 Kazu Hirata <kazu@hxi.com>
+
+ * config/h8300/h8300.c (shift_alg_si): Use special code for
+ 15-bit logical shifts and 31-bit logical shifts.
+ (get_shift_alg): Generate special code for 15-bit and 31-bit
+ logical shifts.
+
+2001-11-12 Kazu Hirata <kazu@hxi.com>
+
+ * config/h8300/h8300.c (shift_alg_qi): Use rotations when
+ doing 6-bit logical shifts on H8S.
+ (shift_alg_qi): Use special code for 21-bit shifts on H8S.
+ (get_shift_alg): Generate special code for 21-bit shifts on
+ H8S.
+
+2001-11-12 Kazu Hirata <kazu@hxi.com>
+
+ * config/h8300/h8300.c (get_shift_alg): Remove a redundant
+ label.
+
+Mon Nov 12 11:58:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * alias.c (nonoverlapping_memrefs_p): Only update size from memref
+ if both size and offset known.
+
+2001-11-12 David O'Brien <obrien@FreeBSD.org>
+
+ * config/ia64/freebsd.h: Fix misspelling.
+
+2001-11-12 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * doc/gcc.texi: Move several chapters out to ...
+ * doc/configterms.texi, doc/fragments.texi, doc/hostconfig.texi,
+ doc/include/linux-and-gnu.texi, doc/interface.texi,
+ doc/makefile.texi, doc/passes.texi, doc/portability.texi:
+ ... here. New files.
+ * doc/gcc.texi, doc/contrib.texi: Move section headings into
+ contrib.texi.
+ * Makefile.in ($(docdir)/gcc.info, gcc.dvi): Update dependencies.
+
+2001-11-12 Kazu Hirata <kazu@hxi.com>
+
+ * config/alpha/alpha-interix.h: Fix comment formatting.
+ * config/alpha/alpha.c: Likewise.
+ * config/alpha/alpha.h: Likewise.
+ * config/alpha/alpha32.h: Likewise.
+ * config/alpha/freebsd.h: Likewise.
+ * config/alpha/unicosmk.h: Likewise.
+ * config/alpha/vms.h: Likewise.
+
+2001-11-12 Kazu Hirata <kazu@hxi.com>
+
+ * config/h8300/h8300.c (get_shift_alg): Remove redundant code.
+
+2001-11-12 Jakub Jelinek <jakub@redhat.com>
+
+ * dbxout.c (dbxout_symbol_location): Avoid emitting invalid register
+ numbers.
+
+Mon Nov 12 05:18:42 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * emit-rtl.c (set_mem_attributes): If making object, can set alignment
+ from type.
+ (replace_equiv_address): Call update_temp_slot_address.
+
+ * dwarf2out.c (loc_descriptor_from_tree, case COMPOUND_EXPR): New case.
+
+ * alias.c (nonoverlapping_memrefs_p): Handle DECL_RTL being a CONCAT.
+
+2001-11-12 Kazu Hirata <kazu@hxi.com>
+
+ * config/h8300/h8300.c (shift_alg_qi): New.
+ (shift_alg_hi): Likewise.
+ (shift_alg_si): Likewise.
+ (get_shift_alg): Change the type of count to unsigned int.
+ Use the tables.
+
+2001-11-11 Alexandre Oliva <aoliva@redhat.com>
+
+ * Makefile.in (c-lang.o): Depend on $(VARRAY_H).
+ * c-decl.c (c_expand_body): Take argument can_defer_p. Use it
+ to decide whether to defer a function.
+ (finish_function): Adjust.
+ (c_expand_deferred_function): New function.
+ * c-lang.c (deferred_fns): New variable.
+ (c_init): Initialize it, and mark it as a root.
+ (defer_fn): New function.
+ (finish_file): Expand all deferred functions.
+ * c-tree.h (defer_fn): Declare.
+ (c_expand_deferred_function): Likewise.
+ * objc/Make-lang.in (objc-act.o): Depend on $(VARRAY_H).
+ * objc-act.c (deferred_fns): New variable.
+ (objc_init): Initialize it, and mark it as a root.
+ (defer_fn): New function.
+ (finish_file): Expand all deferred functions.
+
+2001-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * alpha.c (unicosmk_special_name): Prototype.
+ (unicosmk_ssib_name): Delete unused variable.
+ * alpha/unicosmk.h (common_section, ssib_section): Prototype.
+ * alpha/vms.h (PREFIX): Undef before defining.
+ * arm/pe.h (SUBTARGET_NAME_ENCODING_LENGTHS): Likewise.
+ * i370/i370.c (mvs_hash_alias): Prototype. Wrap with macro
+ controlling usage. Const-ify.
+ (alias_number): Delete unused variable.
+ * m32r/m32r.c (m32r_sched_init): Add missing argument.
+ (m32r_expand_block_move): Fix uninitialized warnings.
+ * mn10300/mn10300.h (REGNO_IN_RANGE_P): Fix 'unsigned >=0 is
+ always true' warnings.
+ * openbsd.h (TARGET_MEM_FUNCTIONS): Don't redefine.
+ * sh/sh.c: Include "integrate.h".
+ (output_far_jump): Fix uninitialized warning.
+ * final.c (shorten_branches): Avoid automatic aggregate
+ initialization.
+ * integrate.c (subst_constants): Likewise.
+
+2001-11-11 Kazu Hirata <kazu@hxi.com>
+
+ * config/h8300/h8300.c (shift_alg): Remove SHIFT_MAX.
+ (get_shift_alg): Remove redundant code.
+
+2001-11-11 Kazu Hirata <kazu@hxi.com>
+
+ * config/pa/milli64.S: Fix comment formatting.
+ * config/pa/pa-64.h: Likewise.
+ * config/pa/pa-linux.h: Likewise.
+ * config/pa/pa-protos.h: Likewise.
+ * config/pa/pa.c: Likewise.
+ * config/pa/pa.h: Likewise.
+ * config/pa/pa32-linux.h: Likewise.
+ * config/pa/pa32-regs.h: Likewise.
+ * config/pa/pa64-hpux.h: Likewise.
+ * config/pa/pa64-regs.h: Likewise.
+ * config/pa/som.h: Likewise.
+
+2001-11-11 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * doc/gcc.texi: Move several chapters out to ...
+ * doc/bugreport.texi, doc/contribute.texi, doc/frontends.texi,
+ doc/service.texi, doc/standards.texi, doc/trouble.texi,
+ doc/vms.texi: ... here. New files.
+ * Makefile.in ($(docdir)/gcc.info, gcc.dvi): Update dependencies.
+
+2001-11-11 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * ChangeLog.2, ChangeLog.3, ChangeLog.4, ChangeLog.5, ChangeLog,
+ cfg.c, cfganal.c, cfgcleanup.c, cfglayout.c, cfgloop.c, cfgrtl.c,
+ collect2.c, combine.c, config.in, configure, configure.in,
+ conflict.c, dwarf2out.c, dwarfout.c, except.c, final.c, flow.c,
+ genattrtab.c, ggc-page.c, jump.c, lcm.c, predict.c, reg-stack.c,
+ reload1.c, rtlanal.c, sched-rgn.c, toplev.c, unwind-dw2-fde.h: Fix
+ spelling errors.
+
+Sun Nov 11 05:56:01 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * config/rs6000/rs6000.c (rs6000_hash_constant, toc_hash_eq):
+ Adjust operand number in CONST_DOUBLE.
+
+ * expmed.c (extract_bit_field): No longer pass in alignment.
+ (extract_fixed_bit_field, extract_split_bit_field): Likewise.
+ (store_bit_field, store_fixed_bit_field, store_split_bit_field):
+ Likewise.
+ * expr.c (store_constructor, store_constructor_field): Likewise.
+ (store_field, emit_group_load, emit_group_store): Likewise.
+ * expr.h (emit_group_load, emit_group_store): Delete ALIGN parm.
+ (store_bit_field, extract_bit_field): Likewise.
+ * calls.c, expr.c, function.c: Change calls to above functions.
+ * ifcvt.c, stmt.c: Likewise.
+
+ * alias.c (nonoverlapping_memrefs_p): Not overlapping if one base is
+ constant and one is on frame.
+ If know memref offset, adjust size from decl.
+
+2001-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * alpha/unicosmk.h (ASM_OUTPUT_DOUBLE, ASM_OUTPUT_FLOAT): Fix
+ format specifier warning.
+ * convex.h (ASM_OUTPUT_BYTE): Likewise.
+ * elfos.h (ALIGN_ASM_OP): Undef before defining.
+ * i386/att.h (ASM_GENERATE_INTERNAL_LABEL): Fix format specifier
+ warning.
+ * i386/bsd.h (ASM_GENERATE_INTERNAL_LABEL): Likewise.
+ * i386/gas.h (ASM_GENERATE_INTERNAL_LABEL): Likewise.
+ * i386-interix.h (gen_stdcall_suffix): Prototype.
+ * i386.h (ASM_OUTPUT_BYTE): Fix format specifier warning.
+ * i386elf.h (ASM_OUTPUT_FLOAT, ASM_OUTPUT_DOUBLE,
+ ASM_OUTPUT_LONG_DOUBLE): Likewise.
+ * i386/interix.c (gen_stdcall_suffix): Const-ify.
+ * i386/next.h (ASM_OUTPUT_LONG_DOUBLE, ASM_OUTPUT_DOUBLE,
+ ASM_OUTPUT_FLOAT, ASM_GENERATE_INTERNAL_LABEL): Fix format
+ specifier warnings.
+ * i386/osfrose.h (ASM_GENERATE_INTERNAL_LABEL): Likewise.
+ * i386/ptx4-i.h (ASM_OUTPUT_FLOAT, ASM_OUTPUT_DOUBLE,
+ ASM_OUTPUT_LONG_DOUBLE): Likewise.
+ * i386/sco5.h (ASM_GENERATE_INTERNAL_LABEL): Likewise.
+ * i386/sequent.h (ASM_GENERATE_INTERNAL_LABEL): Likewise.
+ * i386/sun386.h (ASM_GENERATE_INTERNAL_LABEL): Likewise.
+ * i386/svr3dbx.h (ASM_GENERATE_INTERNAL_LABEL): Likewise.
+ * m68k/3b1.h (ASM_OUTPUT_DOUBLE, ASM_OUTPUT_LONG_DOUBLE,
+ ASM_OUTPUT_FLOAT, ASM_GENERATE_INTERNAL_LABEL): Likewise.
+ * m68k/altos3068.h (ASM_OUTPUT_FLOAT_OPERAND): Likewise.
+ * m68k/amix.h (ASM_OUTPUT_ASCII, ASM_GENERATE_INTERNAL_LABEL):
+ Likewise.
+ * m68k/atari.h (ASM_OUTPUT_ASCII, ASM_GENERATE_INTERNAL_LABEL):
+ Likewise.
+ * m68k/crds.h (ASM_OUTPUT_DOUBLE, PRINT_OPERAND): Likewise.
+ * m68k/dpx2.h (ASM_OUTPUT_LONG_DOUBLE, ASM_OUTPUT_DOUBLE,
+ ASM_OUTPUT_FLOAT, ASM_OUTPUT_BYTE, ASM_OUTPUT_FLOAT_OPERAND):
+ Likewise.
+ * m68k/hp320.h (ASM_OUTPUT_LONG_DOUBLE, ASM_OUTPUT_BYTE):
+ Likewise.
+ * m68k.h (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_BYTE):
+ Likewise.
+ * m68k/m68kv4.h (ASM_OUTPUT_ASCII): Delete unused variable.
+ * m68k/mot3300.h (ASM_OUTPUT_BYTE): Fix format specifier warning.
+ * m68k/news.h (PRINT_OPERAND): Likewise.
+ * m68k/next.h (ASM_OUTPUT_DOUBLE, ASM_OUTPUT_FLOAT,
+ ASM_OUTPUT_FLOAT_OPERAND, ASM_OUTPUT_DOUBLE_OPERAND): Likewise.
+ * m68k/next21.h (ASM_OUTPUT_FLOAT_OPERAND): Likewise.
+ * m68k/plexus.h (ASM_SPEC): Insert space between macro name and
+ definition.
+ * m68k/sgs.h (ASM_OUTPUT_LONG_DOUBLE, ASM_OUTPUT_DOUBLE,
+ ASM_OUTPUT_FLOAT, ASM_OUTPUT_ASCII, ASM_OUTPUT_FLOAT_OPERAND,
+ ASM_OUTPUT_DOUBLE_OPERAND): Fix format specifier warnings.
+ * m68k/sun3.h (ASM_OUTPUT_FLOAT_OPERAND): Likewise.
+ * m68k/tower-as.h (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_DOUBLE,
+ ASM_OUTPUT_LONG_DOUBLE, ASM_OUTPUT_FLOAT, ASM_OUTPUT_BYTE,
+ PRINT_OPERAND): Likewise.
+ * m88k/m88k.h (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_BYTE):
+ Likewise.
+ * mips/elf.h (PUT_SDB_SIZE, ASM_DECLARE_OBJECT_NAME): Likewise.
+ * mips/elf64.h (PUT_SDB_SIZE, ASM_DECLARE_OBJECT_NAME): Likewise.
+ * mips/iris5gas.h (PUT_SDB_SIZE): Likewise.
+ * mips/linux.h (ASM_DECLARE_OBJECT_NAME): Likewise.
+ * mips.c (mips_output_external_libcall): Mark parameter with
+ ATTRIBUTE_UNUSED.
+ (mips_asm_file_start): Move variable into the scope where it's
+ used.
+ * mips.h (PUT_SDB_INT_VAL, PUT_SDB_SIZE): Likewise.
+ * mips/netbsd.h (ASM_DECLARE_OBJECT_NAME): Likewise.
+ * mips/sni-gas.h (PUT_SDB_SIZE): Likewise.
+ * ns32k/encore.h (ASM_GENERATE_INTERNAL_LABEL): Likewise.
+ * ns32k.c (print_operand): Likewise.
+ * pa.c (print_operand, output_div_insn): Likewise.
+ * pa.h (ASM_OUTPUT_MI_THUNK, ASM_GENERATE_INTERNAL_LABEL,
+ ASM_OUTPUT_BYTE, PRINT_OPERAND_ADDRESS): Likewise.
+ * pa/pa64-hpux.h (UNIQUE_SECTION): Const-ify.
+ * sparc/linux.h (ASM_GENERATE_INTERNAL_LABEL): Fix format
+ specifier warnings.
+ * sparc/linux64.h (ASM_GENERATE_INTERNAL_LABEL): Likewise.
+ * sparc/pbd.h (ASM_GENERATE_INTERNAL_LABEL): Likewise.
+ (ASM_OUTPUT_SOURCE_LINE): Don't list macro arguments in undef.
+ * sparc/vxsim.h (ASM_GENERATE_INTERNAL_LABEL): Fix format
+ specifier warnings.
+ * svr3.h (ASM_GENERATE_INTERNAL_LABEL): Likewise.
+
+ * sdbout.c (sdbout_end_epilogue): Mark parameter with
+ ATTRIBUTE_UNUSED.
+ * varasm.c (assemble_global): Likewise.
+
+2001-11-11 H.J. Lu <hjl@gnu.org>
+
+ * config.gcc: Add "elfos.h svr4.h" to $tm_file for Linux/mips.
+
+Sun Nov 11 01:26:00 CET 2001 Jan Hubicka <jh@suse.cz>
+
+ * final.c (*_MAX_SKIP): Use *_max_skip variables.
+ * flags.h (align_loops_max_skip, align_jumps_max_skip,
+ align_labels_max_skip): New global variables.
+ * toplev.c (align_loops_max_skip, align_jumps_max_skip,
+ align_labels_max_skip): New global variables.
+ (toplev_main): Set new variables.
+ * i386.c (override_options): Set max_skip values.
+
+2001-11-10 Geoffrey Keating <geoffk@redhat.com>
+
+ * doc/tm.texi (Label Output): Document ASM_OUTPUT_LABEL_REF.
+ * final.c (output_addr_const): Use ASM_OUTPUT_LABEL_REF.
+ * config/stormy16/stormy16.c (xstormy16_print_operand): For '%C',
+ don't print an @fptr for labels either.
+ (xstormy16_output_addr_vec): Don't print @fptr here.
+ * config/stormy16/stormy16.h (ASM_OUTPUT_LABEL_REF): New macro.
+
+Sat Nov 10 08:50:50 2001 Jeffrey A Law (law@cygnus.com)
+
+ * ssa-ccp.c (examine_flow_edges): Use old-style definition, not
+ an ANSI/ISO definitino.
+ (ssa_const_prop): Likewise.
+
+2001-11-10 Aldy Hernandez <aldyh@redhat.com>
+
+ * config/rs6000/rs6000.c (rs6000_reg_names): Remove leading "v" or
+ altivec registers.
+
+2001-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * cppexp.c (parse_number): Use ISXDIGIT/hex_value.
+ * cpplex.c (hex_digit_value): Use hex_p/hex_value.
+ * cppmain.c (general_init): Call hex_init.
+ * tradcif.y (parse_number): Use TOLOWER/ISXDIGIT/hex_value/hex_p.
+
+ * config.gcc (i[34567]86-dg-dgux*): Don't set `out_file'.
+
+ * i386/dgux.h (ASM_FILE_START): Set to the meaningful portions
+ of dgux.c:output_file_start().
+
+ * i386/dgux.c: Delete file.
+
+2001-11-09 Richard Henderson <rth@redhat.com>
+
+ * config/alpha/alpha.c (decl_in_text_section): New.
+ (current_file_function_operand): Use it.
+ (alpha_encode_section_info, alpha_end_function): Likewise.
+
+2001-11-07 David O'Brien <obrien@FreeBSD.org>
+
+ * config.gcc: Add FreeBSD/IA-64 target. Expand config/i64/elf.h headers.
+ * config/i64/ia64.h (TARGET_VERSION,ASM_SPEC,LINK_SPEC): Remove,
+ they are OS specific. Use CPP_CPU_SPEC rather than CPP_PREDEFINES,
+ so OS specific files and use CPP_PREDEFINES for their needs.
+ * config/i64/elf.h (TARGET_VERSION): Add. Also, move inclusion of
+ target headers to tm_file.
+ * config/ia64/aix.h (TARGET_VERSION): Likewise.
+ * config/ia64/hpux.h (TARGET_VERSION): Likewise.
+ * config/ia64/linux.h (TARGET_VERSION): Likewise.
+ (FUNCTION_PROFILER): Remove.
+ * config/ia64/ia64.h (FUNCTION_PROFILER): Update definition using the
+ version in config/ia64/linux.h.
+ * config/ia64/freebsd.h: New file.
+ * config/freebsd.h: Tidy up.
+ (_USING_CONFIG_FREEBSD): Define.
+ (FBSD_CPP_PREDEFINES): Add __KPRINTF_ATTRIBUTE__.
+ (FBSD_CPP_SPEC): Define generic FreeBSD spec.
+ (FBSD_STARTFILE_SPEC): Likewise.
+ (FBSD_ENDFILE_SPEC): Likewise.
+ (FBSD_LIB_SPEC): Likewise.
+ (WCHAR_UNSIGNED): Undefine, FreeBSD's wchars are signed.
+ (USER_LABEL_PREFIX): Define to ELF compatible value as some CPU headers
+ set an ELF-improper one.
+
+2001-11-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
+
+ * pa.c (emit_move_sequence): Use cint_ok_for_move to check whether a
+ constant can be loaded in a single instruction to a register. When
+ loading immediate constants, use PLUS instead of HIGH/LO_SUM. Use
+ depdi for insertion of most significant 32-bits on 64-bit hosts.
+ * pa.h (LEGITIMATE_CONSTANT_P): Accept constants that can be built
+ with ldil/ldo/depdi instruction sequence on 64-bit hosts.
+ * pa.md: New addmove pattern for adding constant_int to HImode
+ register and moving result to HImode register. Remove HImode HIGH
+ and LO_SUM patterns.
+
+2001-11-09 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * Makefile.in: Update.
+ * c-decl.c (print_lang_decl, print_lang_type): Remove.
+ (print_lang_identifier): Rename c_print_identifier.
+ * c-lang.c (LANG_HOOKS_PRINT_IDENTIFIER, LANG_HOOKS_SET_YYDEBUG): New.
+ (print_lang_statistics, lang_print_xnode): Remove.
+ * c-parse.in (set_yydebug): Rename c_set_yydebug.
+ * c-tree.h (c_set_yydebug, c_print_identifier): New.
+ * langhooks-def.h (lhd_print_tree_nothing, lhd_set_yydebug): New.
+ LANG_HOOKS_PRINT_STATISTICS, LANG_HOOKS_PRINT_XNODE,
+ LANG_HOOKS_PRINT_DECL, LANG_HOOKS_PRINT_TYPE,
+ LANG_HOOKS_PRINT_IDENTIFIER, LANG_HOOKS_SET_YYDEBUG): New.
+ (LANG_HOOKS_INITIALIZER): Update.
+ * langhooks.h (struct lang_hooks): New members.
+ (lang_print_tree_hook): New.
+ * langhooks.c (lhd_print_tree_nothing, lhd_set_yydebug): New.
+ * print-tree.c: Include langhooks.h.
+ (print_node): Update.
+ * toplev.c (decode_d_option): Update.
+ * tree.c: Include langhooks.h.
+ (dump_tree_statistics): Update.
+ * tree.h (print_lang_statistics, print_lang_decl, print_lang_type,
+ print_lang_identifier, set_yydebug, lang_print_xnode): Remove.
+objc:
+ * objc-act.c (LANG_HOOKS_PRINT_IDENTIFIER,
+ LANG_HOOKS_SET_YYDEBUG): Override.
+ (lang_print_xnode, print_lang_statistics): Remove.
+
+2001-11-09 Richard Henderson <rth@redhat.com>
+
+ * dwarf2asm.c (dw2_force_const_mem): Invoke STRIP_NAME_ENCODING
+ on the symbol string.
+
+2001-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * pa/elf.h (ASM_DECLARE_FUNCTION_NAME,
+ ASM_OUTPUT_EXTERNAL_LIBCALL): Undef before defining.
+ * config.gcc (hppa1.1-*-rtems*): Remove duplicate clause.
+
+ * clipper.h (ASM_OUTPUT_REG_POP): Fix typo.
+
+ * tlink.c (recompile_files): Copy strings passed to `putenv'.
+
+2001-11-09 Geoffrey Keating <geoffk@redhat.com>
+
+ * tree.h (TYPE_VOLATILE): Trap use not on TYPEs.
+ (TYPE_READONLY): Likewise.
+
+ * flow.c (insn_dead_p): Allow for AUTO_INC notes all the time.
+
+ * config/stormy16/stormy16.h (ASM_SPEC): Revert last change,
+ don't pass --gdwarf2 to the assembler if the compiler will also
+ provide debug info.
+
+ * config/stormy16/stormy16.c (xstormy16_expand_casesi):
+ Don't change INDEX.
+
+Fri Nov 9 17:51:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * alias.c (nonoverlapping_memrefs_p): New function.
+ (true_dependence, canon_true_depenence, write_dependence_p): Call it.
+
+ * emit-rtl.c (set_mem_attributes): Get alignments for constants.
+
+2001-11-09 Aldy Hernandez <aldyh@redhat.com>
+
+ * rs6000.h (REG_CLASS_CONTENTS): Add VRSAVE bit to ALL_REGS.
+ (CONDITIONAL_REGISTER_USAGE): Disable AltiVec registers unless
+ generating altivec code.
+ (FIXED_REGISTERS): VRSAVE is fixed.
+ (CALL_USED_REGISTERS): VRSAVE is call used.
+
+2001-11-09 Jason Eckhardt <jle@rice.edu>
+
+ * config/mips/mips.c (mips_output_conditional_branch): Do not hard
+ code the branch target as ".+16/.+12", but rather use labels.
+
+Fri Nov 9 11:27:42 2001 Jeffrey A Law (law@cygnus.com)
+
+ * config/pa/milli64.S: Use %r25 and %r0 instead of arg1 and r0
+ to work around limitations of certain versions of GAS.
+
+ * pa.md (mulsi3): Remove PA64 hack to work around SUBREG issues.
+ (muldi3): Update due to SUBREG_BYTE changes.
+ (casesi): Similarly.
+
+2001-11-09 Zack Weinberg <zack@codesourcery.com>
+
+ * doc/invoke.texi: Remove comment referring to -xf77-version.
+
+2001-11-09 Kazu Hirata <kazu@hxi.com>
+
+ * config/convex/convex.c: Fix comment formatting.
+ * config/convex/convex.h: Likewise.
+
+2001-11-08 Zack Weinberg <zack@codesourcery.com>
+
+ * Makefile.in (.po.pox): Look both in srcdir and builddir
+ for $(PACKAGE).pot.
+ (po/$(PACKAGE).pot): Don't move-if-change the new potfile over
+ to the source directory.
+
+2001-11-09 Ben Elliston <bje@redhat.com>
+ Michael Meissner <meissner@redhat.com>
+ Andrew MacLeod <amacleod@redhat.com>
+ Richard Henderson <rth@redhat.com>
+ Nick Clifton <nickc@redhat.com>
+ Catherine Moore <clm@redhat.com>
+
+ * m32r.c: Add support for m32rx processor.
+ * m32r.h: Ditto.
+ * m32r.md: Ditto.
+ * t-m32r: Ditto.
+ * m32r-protos.h: Add prototypes for m32rx functions.
+ * doc/invoke.texi: Document -m32rx option.
+
+2001-11-09 Jakub Jelinek <jakub@redhat.com>
+
+ * config/sparc/sparc.md (movdf): Avoid calling validize_mem during
+ or after reload.
+
+2001-11-09 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
+
+ * doc/install.texi2html: Use $MAKEINFO --no-split.
+
+2001-11-09 Andreas Schwab <schwab@suse.de>
+
+ * Makefile.in ($(HOST_PREFIX_1)rtl.o,
+ $(HOST_PREFIX_1)print-rtl.o, $(HOST_PREFIX_1)bitmap.o,
+ $(HOST_PREFIX_1)vfprintf.o, $(HOST_PREFIX_1)doprint.o,
+ $(HOST_PREFIX_1)strstr.o, $(HOST_PREFIX_1)errors.o,
+ $(HOST_PREFIX_1)ggc-none.o): Update dependencies.
+
+2001-11-09 H.J. Lu <hjl@gnu.org>
+
+ * config/mips/mips.c (mips_output_function_prologues): Cast
+ `tsize' to long for output.
+
+2001-11-09 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * c-lang.c (LANG_HOOKS_NAME): New.
+ (lang_hooks): Constify.
+ (c_init_options): Update.
+ (lang_identify): Remove.
+ * c-parse.in (language_string): Remove.
+ * dbxout.c: Include langhooks.h.
+ (dbxout_symbol_location): Update.
+ * dwarf2out.c: Include langhooks.h.
+ (gen_compile_unit_die): Update.
+ * dwarfout.c: Include langhooks.h.
+ (prototyped_attribute, output_compile_unit_die): Update.
+ * langhooks-def.h (LANG_HOOKS_NAME, LANG_HOOKS_IDENTIFIER_SIZE): New.
+ (LANG_HOOKS_INITIALIZER): Update.
+ * langhooks.h (struct lang_hooks): New members. Constify.
+ * stringpool.c: Don't include toplev.h.
+ (set_identifier_size): Remove.
+ * toplev.c (toplev_main): Initialize identifier size.
+ (print_version): Update.
+ * tree.h (language_string, init_lex, lang_identify,
+ set_identifier_size): Remove.
+ * Makefile.in: Update dependencies.
+ * config/darwin.c: Include langhooks.h.
+ (func_name_maybe_scoped): Update.
+ * config/darwin.h (ASM_END_FILE): Update.
+ * config/nextstep.h (ASM_END_FILE): Update.
+ * config/nextstep21.h (ASM_END_FILE): Update.
+ * config/i386/sun386.h (ASM_END_FILE): Update.
+ * config/rs6000/rs6000.c (ASM_END_FILE): Include langhooks.h.
+ (rs6000_output_function_epilogue): Update.
+objc:
+ * objc-act.c (LANG_HOOKS_NAME): Override.
+ (struct lang_hooks): Constify.
+ (objc_init_options): Update.
+ (lang_identify): Remove.
+
+Fri Nov 9 00:25:18 EST 2001 John Wehle (john@feith.com)
+
+ * fold-const.c (lshift_double): Honor PREC.
+ (rshift_double): Likewise.
+
+2001-11-08 Kazu Hirata <kazu@hxi.com>
+
+ * config/1750a/1750a.c: Fix comment formatting.
+ * config/1750a/1750a.h: Likewise.
+
+2001-11-08 Phil Edwards <pedwards@disaster.jaj.com>
+
+ * configure.in (--enable-languages): Be more permissive about
+ syntax. Check for empty lists better. Warn about $LANGUAGES.
+ * configure: Regenerated.
+
+2001-11-08 Richard Henderson <rth@redhat.com>
+
+ * dwarf2asm.c (dw2_force_const_mem): Fix typo.
+
+2001-11-08 Geoffrey Keating <geoffk@redhat.com>
+
+ * config.gcc: Rename stormy16 to xstormy16.
+ * config/stormy16/stormy-abi: Likewise.
+ * config/stormy16/stormy16-protos.h: Likewise.
+ * config/stormy16/stormy16.c: Likewise.
+ * config/stormy16/stormy16.h: Likewise.
+ * config/stormy16/stormy16.md: Likewise.
+
+2001-11-06 Geoffrey Keating <geoffk@redhat.com>
+
+ * tree.h (TYPE_VOLATILE): Add enable-checking code.
+ (TYPE_READONLY): Likewise.
+
+Thu Nov 8 18:00:55 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * reload1.c (reload): Don't delete equiv insn if can throw.
+
+ * expr.c (emit_block_move): If X is readonly emit CLOBBER for it.
+ (clear_storage): Likewise, for OBJECT.
+
+Thu Nov 8 16:23:51 2001 Jeffrey A Law (law@cygnus.com)
+
+ * pa.c (emit_move_sequence): Fix SUBREG expression to
+ use proper byte offset when extending a constant from
+ SImode to DImode.
+
+2001-11-09 Jakub Jelinek <jakub@redhat.com>
+
+ * cfgrtl.c (purge_dead_edges): Remove REG_EH_REGION note for insns
+ which cannot throw.
+
+Thu Nov 8 18:00:55 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * explow.c (convert_memory_address, case SUBREG): Only return
+ inner object if SUBREG_PROMOTED_VAR_P or known to be pointer.
+
+2001-11-08 Richard Henderson <rth@redhat.com>
+
+ * Makefile.in (GCC_FOR_TARGET): Add build_tooldir/sys-include.
+ (CROSS_SYSTEM_HEADER_DIR): Use build_tooldir not tooldir.
+ (ORDINARY_FLAGS_TO_PASS, stmp-fixinc): Likewise.
+
+2001-11-08 Aldy Hernandez <aldyh@redhat.com>
+
+ * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -maltivec.
+
+2001-11-08 Jakub Jelinek <jakub@redhat.com>
+
+ * dwarf2out.c (debug_str_hash): New.
+ (struct indirect_string_node): New.
+ (struct dw_val_struct): Change type of val_str to it.
+ (DEBUG_STR_SECTION_FLAGS): Define.
+ (add_AT_string): Push string into hashtable, increment reference
+ counter.
+ (AT_string): Return string from ht_identifier.
+ (AT_string_form): New.
+ (free_AT): For dw_val_class_str, just decrement reference counter.
+ (size_of_string): Remove.
+ (size_of_die): Use AT_string_form to decide what size the string
+ occupies in DIE.
+ (size_of_pubnames): Use strlen instead of size_of_string.
+ (value_format): Use AT_string_form for dw_val_class_str.
+ (output_die): Output DW_FORM_strp strings using
+ dw2_asm_output_offset.
+ (indirect_string_alloc, output_indirect_string): New.
+ (dwarf2out_finish): Emit .debug_str strings if there are any.
+
+2001-11-08 Andreas Franck <afranck@gmx.de>
+
+ * configure.in: Add AC_ARG_PROGRAM to support program name
+ transformation with --program-prefix, --program-suffix and
+ --program-transform-name.
+ * configure: Regenerated.
+ * Makefile.in (GCC_INSTALL_NAME, CPP_INSTALL_NAME,
+ PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, GCOV_INSTALL_NAME,
+ GCCBUG_INSTALL_NAME, GCC_CROSS_NAME, CPP_CROSS_NAME,
+ PROTOIZE_CROSS_NAME, UNPROTOIZE_CROSS_NAME): Handle
+ program_transform_name the way suggested by autoconf.
+ (GCC_TARGET_INSTALL_NAME): Define.
+ (install-driver): Use the transformed target alias name.
+
+2001-11-08 Richard Henderson <rth@redhat.com>
+
+ * config/mips/mips.c (save_restore_insns): Remove GP from the
+ restore registers mask early instead of special casing it inside
+ the loop.
+
+2001-11-08 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cp/decl.c (shadow_warning): New function.
+ (pushdecl): Improve -Wshadow warnings. Don't give both a warning
+ and an error when a block scope decl shadows a parameter.
+
+2001-11-08 Richard Henderson <rth@redhat.com>
+
+ * config/fp-bit.h (usi_to_float): Define for US_SOFTWARE_GOFAST
+ case as well.
+
+2001-11-08 John David Anglin <dave@hiauly1.hia.nrc.ca>
+
+ * pa.md (negdf2, negsf2): Use multiplication rather than subtraction
+ to implement floating negation on processors prior to PA 2.0.
+
+2001-11-08 Jakub Jelinek <jakub@redhat.com>
+
+ * dwarf2asm.c (mark_indirect_pool_entry, mark_indirect_pool): New.
+ (USE_LINKONCE_INDIRECT): Define.
+ (dw2_output_indirect_constant_1): Try to output indirect constants
+ into linkonce sections if possible.
+ (dw2_force_const_mem): Likewise. Register indirect_pool with GGC.
+ (dw2_output_indirect_constants): Likewise.
+
+2001-11-07 Aldy Hernandez <aldyh@redhat.com>
+
+ * config/rs6000/rs6000.h (REG_ALLOC_ORDER): Add vrsave.
+
+2001-11-07 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * c-decl.c (pushdecl): Remove file and line.
+ * c-typeck.c (pop_init_level): Remove size.
+
+2001-11-07 Aldy Hernandez <aldyh@redhat.com>
+
+ * doc/invoke.texi: Add -maltivec, -mno-altivec, and -mabi=altivec
+ for rs6000.
+
+ * config/rs6000/rs6000.h (MASK_ALTIVEC): New.
+ (TARGET_ALTIVEC): New.
+ (TARGET_SWITCHES): Add altivec.
+ (FIRST_PSEUDO_REGISTER): Change to 109.
+ (CALL_USED_REGISTERS): Same.
+ (FIRST_ALTIVEC_REGNO): New.
+ (LAST_ALTIVEC_REGNO): New.
+ (ALTIVEC_REGNO_P): New.
+ (UNITS_PER_ALTIVEC_WORD): New.
+ (ALTIVEC_VECTOR_MODE): New.
+ (FIXED_REGISTERS): Add altivec registers.
+ (REG_ALLOC_ORDER): Same.
+ (HARD_REGNO_NREGS): Adjust for altivec registers.
+ (HARD_REGNO_MODE_OK): Same.
+ (MODES_TIEABLE_P): Same.
+ (REGISTER_MOVE_COST): Same.
+ (REGNO_REG_CLASS): Same.
+ (reg_class): Add ALTIVEC_REGS.
+ (REG_CLASS_NAMES): Same.
+ (REG_CLASS_CONTENTS): Same.
+ (REG_CLASS_FROM_LETTER): Add 'v' constraint for ALTIVEC_REGS.
+ (ALTIVEC_ARG_RETURN): New.
+ (FUNCTION_VALUE): Handle VECTOR_TYPE.
+ (LIBCALL_VALUE): Handle altivec vector modes.
+ (VECTOR_MODE_SUPPORTED_P): New.
+ (ALTIVEC_ARG_MIN_REG): New.
+ (ALTIVEC_ARG_MAX_REG): New.
+ (ALTIVEC_ARG_NUM_REG): New.
+ (FUNCTION_VALUE_REGNO_P): Return true for altivec return register.
+ (FUNCTION_ARG_REGNO_P): Support passing args in altivec registers.
+ (REGISTER_NAMES): Add altivec regs.
+ (DEBUG_REGISTER_NAMES): Same.
+ (ADDITIONAL_REGISTER_NAMES): Same.
+ (rs6000_builtins): New.
+ (MD_EXPAND_BUILTIN): New.
+ (MD_INIT_BUILTINS): New.
+ (LEGITIMATE_OFFSET_ADDRESS_P): This addressing mode is not valid
+ for AltiVec instructions.
+ (LEGITIMATE_LO_SUM_ADDRESS_P): Same.
+ (HARD_REGNO_MODE_OK): Altivec modes can only go in altivec
+ registers.
+ (SECONDARY_MEMORY_NEEDED): We need memory to copy vector modes.
+ (TARGET_SWITCHES): Add no-altivec.
+ (DATA_ALIGNMENT): Align vectors to 128 bits.
+ (TARGET_OPTIONS): Add abi= option.
+ Add rs6000_abi_string extern.
+ (LOCAL_ALIGNMENT): New.
+ (CPP_CPU_SPEC): Define __ALTIVEC__ when -maltivec.
+ (MASK_ALTIVEC_ABI): New.
+ (TARGET_ALTIVEC_ABI): New.
+ (CONDITIONAL_REGISTER_USAGE): Set first 20 AltiVec registers to
+ call-saved.
+ (STACK_BOUNDARY): Adjust for altivec.
+ (BIGGEST_ALIGNMENT): Same.
+ (rs6000_args): Add vregno.
+ (USE_ALTIVEC_FOR_ARG_P): New.
+ (FIXED_REGISTERS): Add vrsave register.
+ (CALL_USED_REGISTERS): Same.
+ (CONDITIONAL_REGISTER_USAGE): Set VRSAVE info.
+ (VRSAVE_REGNO): New.
+ (reg_class): Add VRSAVE_REGS.
+ (REG_CLASS_NAMES): Same.
+ (REG_CLASS_CONTENTS): Same.
+ (REGNO_REG_CLASS): Same.
+
+ * config/rs6000/sysv4.h (STACK_BOUNDARY): Adjust for altivec.
+ (ABI_STACK_BOUNDARY): Same.
+ (BIGGEST_ALIGNMENT): Same.
+ (ADJUST_FIELD_ALIGN): Remove undef. Define anew.
+ (ROUND_TYPE_ALIGN): Same.
+
+ * config/rs6000/aix.h (ROUND_TYPE_ALIGN): Change BIGGEST_ALIGNMENT
+ to 64.
+
+ * config/rs6000/darwin.h (ROUND_TYPE_ALIGN): Change BIGGEST_ALIGNMENT
+ to 64.
+
+ * config/rs6000/darwin.h (ROUND_TYPE_ALIGN): Change BIGGEST_ALIGNMENT
+ to 64.
+
+ * config/rs6000/rs6000.c (rs6000_expand_builtin): New.
+ (altivec_expand_builtin): New.
+ (altivec_init_builtins): New.
+ (TARGET_EXPAND_BUILTIN): New.
+ (TARGET_INIT_BUILTINS): New.
+ (rs6000_init_builtins): New.
+ (struct builtin_description): New.
+ (bdesc_2arg): New.
+ (rs6000_reg_names): Add altivec registers.
+ (alt_reg_names): Same.
+ (secondary_reload_class): Altivec regs can hold altivec regs and
+ memory.
+ (rs6000_emit_move): Force constants into memory for AltiVec moves.
+ (print_operand): Add 'y' case for printing altivec memory
+ operands.
+ (rs6000_legitimize_address): Legitimize vector addresses into
+ [REG+REG] or [REG].
+ (altivec_expand_binop_builtin): New.
+ New string rs6000_current_abi.
+ (rs6000_override_options): Call rs6000_parse_abi_options.
+ (rs6000_parse_abi_options): New.
+ (function_arg_boundary): Vector arguments must be 16
+ byte aligned.
+ (function_arg_advance): Handle vector arguments.
+ (function_arg_partial_nregs): Same.
+ (init_cumulative_args): Same.
+ (function_arg): Same.
+
+ * config/rs6000/rs6000.md (altivec_lvx): New.
+ (type): Add altivec attribute.
+ (movv4si): New.
+ (*movv4si_internal): New.
+ (movv16qi): New.
+ (*movv16qi_internal): New.
+ (movv8hi): New.
+ (*movv8hi_internal1): New.
+ (movv4sf): New.
+ (*movv4sf_internal1): New.
+ (altivec_stvx): New.
+ (vaddubm): New.
+ (vadduhm): New.
+ (vadduwm): New.
+ (vaddfp): New.
+ (vaddcuw): New.
+ (vaddubs): New.
+ (vaddsbs): New.
+ (vadduhs): New.
+ (vaddshs): New.
+ (vadduws): New.
+ (vaddsws): New.
+ (vand): New.
+ (vandc): New.
+ (vavgub): New.
+ (vavgsb): New.
+ (vavguh): New.
+ (vavgsh): New.
+ (vavguw): New.
+ (vavgsw): New.
+ (vcmpbfp): New.
+ (vcmpequb): New.
+ (vcmpequh): New.
+ (vcmpequw): New.
+ (vcmpeqfp): New.
+ (vcmpgefp): New.
+ (vcmpgtub): New.
+ (vcmpgtsb): New.
+ (vcmpgtuh): New.
+ (vcmpgtsh): New.
+ (vcmpgtuw): New.
+ (vcmpgtsw): New.
+ (vcmpgtfp): New.
+ (vcmpgefp): New.
+ (vcmpgtub): New.
+ (vcmpgtsb): New.
+ (vcmpgtuh): New.
+ (vcmpgtsh): New.
+ (vcmpgtuw): New.
+ (vcmpgtsw): New.
+ (vcmpgtfp): New.
+ (vmaxub): New.
+ (vmaxsb): New.
+ (vmaxuh): New.
+ (vmaxsh): New.
+ (vmaxuw): New.
+ (vmaxsw): New.
+ (vmaxfp): New.
+ (vmrghb): New.
+ (vmrghh): New.
+ (vmrghw): New.
+ (vmrglb): New.
+ (vmrglh): New.
+ (vmrglw): New.
+ (vminub): New.
+ (vminsb): New.
+ (vminuh): New.
+ (vminsh): New.
+ (vminuw): New.
+ (vminsw): New.
+ (vminfp): New.
+ (vmuleub): New.
+ (vmulesb): New.
+ (vmuleuh): New.
+ (vmulesh): New.
+ (vmuloub): New.
+ (vmulosb): New.
+ (vmulouh): New.
+ (vmulosh): New.
+ (vnor): New.
+ (vor): New.
+ (vpkuhum): New.
+ (vpkuwum): New.
+ (vpkpx): New.
+ (vpkuhss): New.
+ (vpkshss): New.
+ (vpkuwss): New.
+ (vpkswss): New.
+ (vpkuhus): New.
+ (vpkshus): New.
+ (vpkuwus): New.
+ (vpkswus): New.
+ (vrlb): New.
+ (vrlh): New.
+ (vrlw): New.
+ (vslb): New.
+ (vslh): New.
+ (vslw): New.
+ (vsl): New.
+ (vslo): New.
+ (vsrb): New.
+ (vrsh): New.
+ (vrsw): New.
+ (vsrab): New.
+ (vsrah): New.
+ (vsraw): New.
+ (vsr): New.
+ (vsro): New.
+ (vsububm): New.
+ (vsubuhm): New.
+ (vsubuwm): New.
+ (vsubfp): New.
+ (vsubcuw): New.
+ (vsububs): New.
+ (vsubsbs): New.
+ (vsubuhs): New.
+ (vsubshs): New.
+ (vsubuws): New.
+ (vsubsws): New.
+ (vsum4ubs): New.
+ (vsum4sbs): New.
+ (vsum4shs): New.
+ (vsum2sws): New.
+ (vsumsws): New.
+ (vxor): New.
+
+2001-11-07 Daniel Berlin <dan@cgsoftware.com>
+
+ * Makefile.in (df.o): Add fibheap.h to dependencies.
+
+ * df.h: Add prototypes for transfer functions, iterative_dataflow
+ functions.
+ (enum df_flow_dir): New enum.
+ (enum df_confluence_op): New enum.
+ (struct df): Add inverse_rts_map.
+
+ * df.c: Add sbitmap.h to the list of includes.
+ (df_rd_global_compute): Removed.
+ (df_ru_global_compute): Removed.
+ (df_lr_global_compute): Removed.
+ (df_rd_transfer_function): New function.
+ (df_ru_transfer_function): New function.
+ (df_lr_transfer_function): New function.
+ (df_analyse_1): allocate/compute/free df->inverse_rts_map.
+ Use iterative_dataflow_bitmap instead of df_*_global_compute.
+ (iterative_dataflow_sbitmap): New function.
+ (iterative_dataflow_bitmap): New function.
+
+2001-11-07 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * doc/gcc.texi: Move terminology and spelling conventions to
+ htdocs/codingconventions.html.
+
+2001-11-07 Graham Stott <grahams@redhat.com>
+
+ * cse.c (cse_insn): Emit BARRIER after unconditional jump.
+
+Wed Nov 7 13:33:34 CET 2001 Jan Hubicka <jh@suse.cz>
+
+ * expmed.c (expand_mult): Force operand to register before computing
+ cost.
+ * i386.c (x86_decompose_lea): New global vairable.
+ * i386.h (x86_decompose_lea): Declare.
+ (TARGET_DECOMPOSE_LEA): New macro.
+ (RTX_COST): Handle leas properly.
+
+2001-11-06 Richard Henderson <rth@redhat.com>
+
+ * config/alpha/elf.h (DO_SELECT_SECTION): TREE_READONLY is not
+ defined for a CONSTRUCTOR; don't check it.
+
+2001-11-06 Danny Smith <dannysmith@users.sourceforge.net>
+
+ * gcov.c (output_data): Use IS_ABSOLUTE_PATHNAME to
+ test for absolute pathnames.
+
+2001-11-06 Olivier Hainque <hainque@act-europe.fr>
+
+ * unwind-dw2.c (execute_cfa_program): Evaluate call frame
+ instructions up to the target pc inclusive.
+
+2001-11-06 Steve Christiansen <smc@us.ibm.com>
+
+ * loop.c (loop_regs_scan): Don't invalidate PIC register.
+
+2001-11-06 Eric Christopher <echristo@redhat.com>
+
+ * config/mips/mips.md(movdf_internal2): Add constraints for float
+ to general register move.
+ * config/mips/elf64.h: Add default ABI.
+
+2001-11-06 Neil Booth <neil@cat.daikokuya.demon.co.uk>
+
+ * alias.c:: Include langhooks.h.
+ * emit-rtl.c: Similarly.
+ * toplev.c: Similarly.
+ * tree-inline.c: Similarly.
+ * langhooks-def.h: New, the old langhooks.h. Give the default
+ hooks a common prefix.
+ * langhooks.h: Contents extracted from toplev.h.
+ * toplev.h: Move langhook stuff to langhooks.h.
+ * langhooks.c: Give default hooks a common prefix.
+
+ * c-lang.c: Include langhooks-def.h.
+ * objc/objc-act.c: Similarly.
+ * Makefile.in: Update.
+ * objc/Make-lang.in: Update.
+
+2001-11-06 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * doc/install.texi: Document that configure options not listed in
+ this file are unsupported. Document --with-system-zlib.
+
+Tue Nov 6 09:21:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * rtl.h (mem_for_const_double): New declaration.
+ * varasm.c (mem_for_const_double): New function.
+ * config/convex/convex.md (movdf): Use it.
+ * config/m68k/hp320.h (LEGITIMATE_PIC_OPERAND_P): Likewise.
+ * config/m68k/linux.h, config/m68k/m68k.h: Likewise.
+ * config/m68k/m68kv4.h: Likewise.
+
+ * config/alpha/alpha.h (SECONDARY_MEMORY_NEEDED): Adjust for addition
+ of new GP reg classes.
+
+ * expr.c (store_field): When making temp object for unaligned
+ component, set it to alias set 0.
+
+2001-11-06 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-common.c (c_expand_expr_stmt): Apply default conversions to
+ non-lvalue arrays if C99.
+ * c-typeck.c (default_conversion): Split out code handling
+ array-to-pointer and function-to-pointer conversions into a
+ separate default_function_array_conversion function.
+ (default_function_array_conversion): New function. Keep track of
+ whether any NON_LVALUE_EXPRs were stripped. Return non-lvalue
+ arrays unchanged outside C99 mode instead of giving an error for
+ them.
+ (build_component_ref): Use pedantic_non_lvalue when handling
+ COMPOUND_EXPR. Don't handle COND_EXPR specially.
+ (convert_arguments): Use default_function_array_conversion.
+ (build_unary_op): For ADDR_EXPR, take a flag indicating whether
+ non-lvalues are OK.
+ (unary_complex_lvalue): Likewise.
+ (internal_build_compound_expr): Use
+ default_function_array_conversion. Apply default conversions to
+ function in compound expression.
+ (build_c_cast, build_modify_expr, digest_init, build_asm_stmt):
+ Use default_function_array_conversion.
+ * doc/extend.texi: Update documentation of subscripting non-lvalue
+ arrays.
+ Fixes PR c/461.
+
+2001-11-05 Zack Weinberg <zack@codesourcery.com>
+
+ * aclocal.m4: (AM_WITH_NLS): Don't look at ALL_LINGUAS.
+ (AM_GNU_GETTEXT): Set CATALOGS to a list of .gmo files
+ corresponding to the complete set of .po and .gmo files in
+ the source directory's po subdir, modified by LINGUAS. Don't
+ look at ALL_LINGUAS.
+ * configure.in: Don't set ALL_LINGUAS.
+ * configure: Regenerate.
+
+ * Makefile.in (.po.gmo): Don't move into source directory.
+ (.po.pox): Clarify comments.
+ (install-po): Look for .gmo files in both srcdir and objdir;
+ don't fail if a file is totally missing.
+ (distclean): rmdir ada subdirectory too.
+
+2001-11-05 Geoffrey Keating <geoffk@redhat.com>
+
+ * config/rs6000/rs6000.c (rs6000_select_section): Handle
+ CONSTRUCTORs _correctly_.
+
+2001-11-05 Neil Booth <neil@cat.daikokuya.demon.co.uk>
+
+ * c-decl.c (delete_block): Remove.
+ * c-tree.h (delete_block): Remove.
+
+2001-11-05 Neil Booth <neil@cat.daikokuya.demon.co.uk>
+
+ * cppexp.c (lex, parse_defined): Update warning about defined.
+
+2001-11-05 Geoffrey Keating <geoffk@redhat.com>
+
+ * config/rs6000/rs6000.c (rs6000_select_section): Handle
+ CONSTRUCTORs too.
+
+2001-11-05 Nick Clifton <nickc@cambridge.redhat.com>
+
+ * config/arm/arm.c (arm_return_in_memory): Cope with
+ int_size_in_bytes returning -1.
+
+ * config/arm/unknown-elf.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Handle
+ DECL being NULL.
+
+Mon Nov 5 16:15:25 CET 2001 Jan Hubicka <jh@suse.cz>
+
+ * Makefile.in (bb-reorder.o): Add dependency on cfglayout.h;
+ remove unneeded dependencies;
+ (cfglayout.o): New.
+ * cfglayout.c, cfglayout.h: New files; break out from ...
+ * bb-reorder.c: ... here; Remove unneeded includes;
+
+2001-11-04 Alan Modra <amodra@bigpond.net.au>
+
+ * config/rs6000/rs6000.md (load_toc_aix_{si,di}): Mark r2 as used.
+
+2001-11-04 David Edelsohn <edelsohn@gnu.org>
+
+ * config/rs6000/rs6000.c (rs6000_emit_move): Handle 64-bit
+ mode as well. Do not explicitly create intermediate regs.
+
+2001-11-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * arm/aof.h (aof_text_section, aof_data_section): Don't declare.
+ (common_section): Delete unused variable.
+ (ASM_OUTPUT_ASCII): Fix signed/unsigned warnings.
+ (ASM_GENERATE_INTERNAL_LABEL): Fix format specifier warning.
+ * arm-protos.h (arm_poke_function_name, aof_add_import,
+ aof_delete_import): Const-ify.
+ * arm.c (legitimize_pic_address): Wrap variables in the macro
+ controlling their usage.
+ (arm_finalize_pic): Mark variable with ATTRIBUTE_UNUSED.
+ (arm_poke_function_name, pic_chain, import, aof_add_import,
+ aof_delete_import): Const-ify.
+ * i386.c (ix86_osf_output_function_prologue): Const-ify.
+ * i386/sysv4.h (ASM_OUTPUT_FLOAT, ASM_OUTPUT_DOUBLE,
+ ASM_OUTPUT_LONG_DOUBLE): Fix format specifier warnings.
+ * i860/fx2800.h (DBX_OUTPUT_STANDARD_TYPES): Const-ify.
+ * i860/sysv3.h: Add missing comment closure.
+ * m68k/apollo68.h (ASM_RETURN_CASE_JUMP): Add missing semi-colon.
+ * m88k/dgux.h (SELECT_RTX_SECTION): Add missing argument in call
+ to symbolic_operand.
+
+ * config.gcc (m680[02]0-*-*): Rename case from m68000-*-*.
+ (i960-*-*): Set tmake_file.
+ (sparc86x-*-elf*): Fix typo in header name.
+
+ * sched-rgn.c (schedule_insns): Delete unused variable.
+
+2001-11-04 Neil Booth <neil@cat.daikokuya.demon.co.uk>
+
+ PR c/2820
+ * c-typeck.c (lookup_field): Rework to return a chain down to
+ the looked-up field.
+ (build_component_ref): Use the new lookup_field to handle
+ nested anonymous entities correctly.
+
+Sun Nov 4 11:53:31 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * config/sparc/sparc.c (sparc_emit_set_const32, GEN_HIGHINT64):
+ Change parameters to gen_rtx_CONST_DOUBLE.
+ (GEN_INT64, sparc_emit_set_const64): Likewise.
+ * config/sparc/sparc.md (movdf split): Likewise.
+
+2001-11-03 Geoffrey Keating <geoffk@redhat.com>
+
+ * unroll.c (calculate_giv_inc): Use find_last_value rather
+ than just hoping the last instruction is the right SET.
+ [Fixes 990604-1.c on stormy16.]
+
+ * config/stormy16/stormy16.h (LIB_SPEC): Don't supply any libgloss
+ library at all if -T is used.
+
+ * config/stormy16/stormy16.c (stormy16_print_operand): Avoid
+ some uses of uninitialized variables in error cases.
+
+ * config/stormy16/stormy16.c (stormy16_output_shift): Don't
+ look at 'temp' if we won't be using it.
+
+ * config/stormy16/stormy16.h (CONST_COSTS): Define.
+ (RTX_COSTS): Define.
+ (ADDRESS_COST): Define.
+ (MEMORY_MOVE_COST): Allow for memory_move_secondary_cost.
+
+ * config/stormy16/stormy16.h (ASM_SPEC): Pass -g to the assembler.
+
+ * config/stormy16/stormy16.h (ASM_OUTPUT_MI_THUNK): Call
+ stormy16_asm_output_mi_thunk.
+ * config/stormy16/stormy16.c (stormy16_asm_output_mi_thunk): New
+ function.
+ * config/stormy16/stormy16-protos.h
+ (stormy16_asm_output_mi_thunk): New prototype.
+
+2001-11-04 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * ChangeLog.2, ChangeLog.4, ChangeLog.5, ChangeLog,
+ FSFChangeLog.10, FSFChangeLog.11, alias.c, attribs.c,
+ caller-save.c, calls.c, cfg.c, cfganal.c, cfgcleanup.c, cfgrtl.c,
+ cppmacro.c, fold-const.c, ifcvt.c, local-alloc.c, profile.c,
+ sched-int.h, toplev.c, config/alpha/alpha.c,
+ config/alpha/alpha.md, config/c4x/c4x.h, config/cris/cris.h,
+ config/cris/cris.md, config/i370/i370.md, config/i386/i386.c,
+ config/i386/i386.h, config/i386/i386.md, config/i386/xm-djgpp.h,
+ config/ia64/ia64.c, config/m68hc11/m68hc11.c, config/m68k/m68k.md,
+ config/mcore/mcore.h, config/mmix/mmix.c, config/ns32k/ns32k.h,
+ config/ns32k/ns32k.md, config/rs6000/rs6000.c,
+ config/rs6000/sysv4.h, config/sh/sh.md: Fix spelling errors.
+
+2001-11-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * Makefile.in (dbxout.o): Depend on function.h.
+ * collect2.c (is_in_list): Hide unused function.
+ * dbxout.c: Include function.h.
+ (source_label_number, dbxout_source_line, dbxout_source_file,
+ dbxout_function_end, dbxout_begin_function): Wrap/move inside
+ macros controlling usage.
+ * gcc.c (TARGET_EXECUTABLE_SUFFIX): Undef before defining.
+ * output.h (exports_section): Prototype.
+
+ * convex.c (convex_output_function_prologue): Fix format specifier
+ warning.
+ (asm_declare_function_name): Fix signed/unsigned warning.
+ (print_operand): Fix format specifier warning.
+ * convex.h (S_REGNO_P, A_REGNO_P): Fix signed/unsigned warning.
+ * dsp16xx-protos.h (uns_comparison_operator,
+ num_1600_core_shifts): Prototype.
+ * dsp16xx.c: Include tm_p.h, not dsp16xx-protos.h.
+ (frame_size, frame_pointer_offset): Delete.
+ (dsp16xx_output_function_prologue, dsp16xx_output_function_epilogue):
+ Make static. Fix format specifier warnings.
+ * dsp16xx.h (IS_ACCUM_REG): Fix unsigned>=0 warning.
+ (EXTRA_SECTION_FUNCTIONS): Prototype const_section.
+ * dsp16xx.md: Add default case in switches.
+ * fr30.h (IN_RANGE): Delete.
+ * ia64.h (ASM_OUTPUT_MI_THUNK): Fix format specifier warnings.
+ * mcore-protos.h (mcore_output_cmov): Const-ify.
+ * mcore.c (mcore_output_cmov): Likewise.
+ * mcore.h (switch_to_section): Make static and prototype.
+ * mn10200.h (REGNO_OK_FOR_INDEX_P, REG_OK_FOR_INDEX_P): Fix
+ unsigned>=0 warnings.
+ * mn10300.h (REGNO_IN_RANGE_P): Likewise.
+ * rs6000-protos.h (read_only_data_section,
+ read_only_private_data_section): Prototype.
+ * rs6000.h (ASM_OUTPUT_BYTE): Fix format specifier warning.
+ * sh.c (sh_adjust_cost): Mark parameter with ATTRIBUTE_UNUSED.
+ * sh.h (GENERAL_REGISTER_P): Fix unsigned>=0 warning.
+
+2001-11-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * dwarf2asm.c (dw2_asm_output_pcrel): Mark parameters with
+ ATTRIBUTE_UNUSED.
+ * final.c (final_scan_insn): Add brackets around body of if-stmt.
+ * gcc.c (convert_filename): Add static prototype. Const-ify.
+ Wrap variable in macros controlling its use.
+ * output.h (sdata_section): Add prototype.
+
+ * 1750a.h (EXTRA_SECTION_FUNCTIONS): Add prototype.
+ (ASM_OUTPUT_ASCII): Avoid signed/unsigned warning.
+ * c4x.h (INIT_SECTION_FUNCTION): Add prototype.
+ (ASM_FILE_START): Const-ify.
+ (ASM_OUTPUT_BYTE_FLOAT, ASM_OUTPUT_SHORT_FLOAT): Fix format
+ specifier warning.
+ * c4x.md: Don't use the 'U' integer suffix.
+ * clipper.md (clipper_movstr): Delete declaration.
+ * d30v-protos.h (d30v_move_2words): Const-ify.
+ (debug_stack_info): Add prototype.
+ * d30v.c: Include "integrate.h".
+ (d30v_function_arg_boundary, d30v_function_arg,
+ d30v_function_arg_partial_nregs, d30v_function_arg_advance): Avoid
+ signed/unsigned warnings.
+ (d30v_print_operand_memory_reference, d30v_move_2words):
+ Const-ify.
+ * d30v.h (REG_CLASS_FROM_LETTER): Use unsigned array subscript.
+ * fr30.c (fr30_pass_by_reference, fr30_pass_by_value): Prototype.
+ * fr30.md: Const-ify.
+ * h8300.h (EXTRA_SECTION_FUNCTIONS): Add prototype.
+ * i370.c (i370_label_scan, mvs_get_label): Make definition static.
+ (mvs_get_label_page): Hide unused static function.
+ * i860.c (current_function_original_name): Const-ify.
+ * i860/sysv3.h (current_function_original_name): Likewise.
+ * i860/sysv4.h (current_function_original_name): Likewise.
+ * i960.md: Add default case in switches. Remove unused variable.
+ * i960/vx960-coff.h (MULTILIB_DEFAULTS): Undef before defining.
+ * m32r.md: Const-ify.
+ * m68hc11-protos.h (m68hc11_asm_file_start): Const-ify.
+ * m68hc11.c: Include "reload.h".
+ (static_chain_reg, print_options, m68hc11_asm_file_start):
+ Const-ify.
+ * m68hc11.md: Delete unused variable. Const-ify. Add parens
+ around & in comparison.
+ * mcore.h (TARGET_ASM_NAMED_SECTION): Undef before defining.
+ * mn10200.c (shift_mode): Remove trailing comma.
+ * mn10300-protos.h (output_tst): Const-ify.
+ * mn10300.c (output_tst): Likewise.
+ * pa/long_double.h (ASM_OUTPUT_LONG_DOUBLE): Fix format specifier
+ warnings.
+ * pa-protos.h (output_ascii): Use regular char *, not unsigned.
+ * pa.c (output_ascii): Likewise.
+ * pa/som.h (EXTRA_SECTION_FUNCTIONS): Add prototype.
+ * pdp11.md (expand_unop): Delete declarations.
+ * pj-protos.h (pj_output_addsi3): Const-ify.
+ * pj.c (pj_output_push_int, pj_output_load, pj_output_inc,
+ pj_output_cnv_op, mode_to_char, pj_output_varidx, pj_print_cond,
+ unique_src_operand): Add prototypes.
+ (pj_output_store_into_lval): Make definition static.
+ (pj_function_incoming_arg): Don't use unary plus.
+ (pj_output_addsi3): Const-ify.
+ * romp.md (get_symref): Delete declarations.
+ * v850-c.c (mark_current_function_as_interrupt): Don't return
+ value from void function.
+ * v850.c: Include "integrate.h".
+ * v850.h (ASM_OUTPUT_LABELREF): Const-ify.
+ * vax-protos.h (const_section): Add prototype.
+
+2001-11-03 Aldy Hernandez <aldyh@redhat.com>
+
+ * machmode.def: Add documentation for the seventh argument in
+ vector modes.
+
+2001-11-04 Hans-Peter Nilsson <hp@bitrange.com>
+
+ * doc/invoke.texi (MMIX Options) <-mno-knuthdiv>: Say remainder
+ consistently.
+ <-mno-toplevel-symbols>: Change @code{:} to @samp{:}.
+ <-melf>: Don't have markup for ELF acronym.
+
+2001-11-03 Hans-Peter Nilsson <hp@bitrange.com>
+
+ * config.gcc (mmix-*-*): New target.
+ * doc/invoke.texi: Document MMIX options.
+ * doc/contrib.texi: Add note about MMIX port to my entry.
+ * config/mmix/t-mmix: New file.
+ * config/mmix/mmix.h: New file.
+ * config/mmix/mmix-protos.h: New file.
+ * config/mmix/mmix.c: New file.
+ * config/mmix/mmix.md: New file.
+ * config/mmix/crti.asm: New file.
+ * config/mmix/crtn.asm: New file.
+
+2001-11-03 Kazu Hirata <kazu@hxi.com>
+
+ * config/sparc/linux-aout.h: Fix comment formatting.
+ * config/sparc/linux.h: Likewise.
+ * config/sparc/linux64.h: Likewise.
+ * config/sparc/lynx.h: Likewise.
+ * config/sparc/pbd.h: Likewise.
+ * config/sparc/sol2-sld-64.h: Likewise.
+ * config/sparc/sol2.h: Likewise.
+ * config/sparc/sparc.c: Likewise.
+ * config/sparc/sparc.h: Likewise.
+ * config/sparc/sparc.md: Likewise.
+ * config/sparc/sunos4.h: Likewise.
+ * config/sparc/vxsim.h: Likewise.
+ * config/sparc/vxsparc.h: Likewise.
+ * config/sparc/vxsparc64.h: Likewise.
+
+Sat Nov 3 10:37:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * cselib.c (cselib_subst_to_values, case CONST_DOUBLE): Remove
+ reference to CONST_DOUBLE_MEM in comment.
+ * emit-rtl.c (gen_rtx_CONST_DOUBLE): Remove one operand.
+ (gen_rtx, case CONST_DOUBLE): Call it with one less operand.
+ (init_emit_once): Don't clear CONST_DOUBLE_MEM.
+ * function.c (pop_function_context_from): Don't call
+ restore_varasm_status.
+ * function.h (restore_varasm_status): Delete declaration.
+ * gengenrtl.c (CONST_DOUBLE_FORMAT): Delete CONST_DOUBLE_MEM slot.
+ * rtl.c: Likewise.
+ * rtl.def (CONST_DOUBLE): Update comment.
+ * rtl.h (CONST_DOUBLE_HIGH, CONST_DOUBLE_LOW): Update operand number.
+ (CONST_DOUBLE_CHAIN): Likewise.
+ (CONST_DOUBLE_MEM): Delete.
+ (gen_rtx_CONST_DOUBLE): Update parameters.
+ * varasm.c (struct varasm_status): x_pool_offset now HOST_WIDE_INT.
+ Remove reference to CONST_DOUBLE_MEM.
+ (const_alias_set): New variable.
+ (immed_double_const): Change call to gen_rtx_CONST_DOUBLE.
+ (immed_real_const_1): Adjust tests for 0, 1, and 2.
+ Don't set CONST_DOUBLE_MEM.
+ (clear_const_double_mem): Don't do anything with const_tiny_rtx.
+ (output_constant_def): Don't look at TREE_CST_RTL if INTEGER_CST.
+ Put constant in const_alias_set.
+ (struct pool_constant): ALIGN now unsigned.
+ OFFSET now HOST_WIDE_INT.
+ Delete LABEL.
+ (restore_varasm_status): Deleted.
+ (mark_pool_constant): Mark desc->rtl.
+ (force_const_mem): Rework to store rtl in hash table,
+ not CONST_DOUBLE_MEM.
+ Put constant in const_alias_set.
+ (find_pool_constant): Check desc->rtl.
+ (mark_constants, mark_constant): Don't special-case CONST_DOUBLE.
+ (init_varasm_once): Initialize const_alias_set.
+
+ * expr.c (expand_expr, case ADDDR_EXPR): If at top level, don't call
+ force_const_mem.
+
+ * reload.c (combine_reloads): Don't combine an output reload if there
+ are other reloads around for part of the output.
+
+ * emit-rtl.c (set_mem_attributes): Set RTX_UNCHANGINGP_P if T is a
+ constant expression.
+ (set_mem_decl): New function.
+ * expr.h (set_mem_decl): New declaration.
+ * final.c (get_decl_from_op): Don't use ORIGINAL_REGNO if not pseudo.
+ (output_asm_operand_names): Add tab.
+ * reload1.c (alter_reg): Set decl of MEM from REG_DECL.
+
+ * builtins.c (get_memory_rtx): Properly set MEM alias set and
+ attributes.
+
+2001-11-03 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * doc/extend.texi, doc/gcc.texi, doc/install.texi, doc/tm.texi:
+ Use "invalid" instead of "illegal". Use @r in comments in
+ examples.
+
+2001-11-02 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * c-decl.c (pushdecl): Move block inside if conditional to remove
+ possibility of a segfault. Lookup block-level extern
+ variables in enclosing scopes correctly.
+
+ * testsuite/gcc.c-torture/compile/20001018-1.x: Remove XFAIL.
+
+2001-11-02 Aldy Hernandez <aldyh@redhat.com>
+
+ * expmed.c (store_bit_field): Use simplify_gen_subreg to make
+ SUBREG so we avoid SUBREGing memory.
+
+ * expmed.c (store_bit_field): Same.
+
+2001-11-02 DJ Delorie <dj@redhat.com>
+
+ * config/rs6000/rs6000.c (rs6000_emit_move): Make sure that
+ using FP registers for DImode mem-mem moves is acceptable.
+
+2001-11-02 Aldy Hernandez <aldyh@redhat.com>
+
+ * builtins.c (apply_args_size): Handle vector arguments.
+ (apply_result_size): Same.
+
+ * machmode.def: Set WIDER mode field for all vector entries.
+
+2001-11-02 Graham Stott <grahams@redhat.com>
+
+ * recog.c (decode_asm_operands): Check that the SRC is ASM_OPERANDS.
+
+2001-11-01 Eric Christopher <echristo@redhat.com>
+
+ * config.gcc: Revert part of earlier patch.
+ * config/mips/linux.h: Ditto.
+ * df.c: Include tm_p.h to avoid warnings.
+ * config/mips/mips.h (ABI_GAS_ASM_SPEC): Add defaults. Adjust
+ #if/#endif.
+ * config/mips/mips.c: Define mips_abi regardless.
+ (mips_output_function_prologues): Add long casts for .frame
+ output.
+ (override_options): Allow use of ABI_32.
+
+2001-11-01 Kazu Hirata <kazu@hxi.com>
+
+ * config/m68hc11/m68hc11.c: Fix comment formatting.
+ * config/m68hc11/m68hc11.h: Likewise.
+ * config/m68hc11/m68hc11.md: Likewise.
+
+2001-11-01 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * c-typeck.c (default_conversion): Retain the original expression
+ codes.
+ * gcc.dg/Wparentheses.c: New tests.
+
+2001-11-01 David S. Miller <davem@redhat.com>
+
+ * doc/install.texi (Specific, sparc-sun-solaris2*): Bring
+ 64-bit SPARC description more in line with reality.
+
+2001-11-01 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * Makefile.in (GCOV_OBJS): Add version.o.
+ * gcov.c: Include "version.h" and <getopt.h>.
+ (gcov_version_string): Remove.
+ (print_usage): Take a parameter to determine whether this is a
+ call from --help or an error message. Give fuller output that
+ follows the GNU Coding Standards for --help.
+ (print_version): New function.
+ (options): New.
+ (process_args): Use getopt_long. Support long options. Follow
+ GNU Coding Standards for --help and --version.
+ * doc/gcov.texi: Document long options.
+ Addresses part of PR other/704.
+
+2001-11-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
+
+ * pa.c (output_move_double): Fix typo in double load.
+
+2001-11-01 Kazu Hirata <kazu@hxi.com>
+
+ * config/h8300/h8300.c (h8300_encode_label): Compute a string
+ before passing it to ggc_alloc_string.
+
+2001-11-01 Kazu Hirata <kazu@hxi.com>
+
+ * config/m68k/3b1.h: Fix comment formatting.
+ * config/m68k/3b1g.h: Likewise.
+ * config/m68k/a-ux.h: Likewise.
+ * config/m68k/amix.h: Likewise.
+ * config/m68k/apollo68.h: Likewise.
+ * config/m68k/atari.h: Likewise.
+ * config/m68k/aux-exit.c: Likewise.
+ * config/m68k/ccur-GAS.h: Likewise.
+ * config/m68k/crds.h: Likewise.
+ * config/m68k/dpx2.h: Likewise.
+ * config/m68k/dpx2g.h: Likewise.
+ * config/m68k/hp310.h: Likewise.
+ * config/m68k/hp320.h: Likewise.
+ * config/m68k/isi.h: Likewise.
+ * config/m68k/linux.h: Likewise.
+ * config/m68k/lynx.h: Likewise.
+ * config/m68k/m68k-psos.h: Likewise.
+ * config/m68k/m68k.c: Likewise.
+ * config/m68k/m68k.h: Likewise.
+ * config/m68k/m68k.md: Likewise.
+ * config/m68k/m68kelf.h: Likewise.
+ * config/m68k/m68kv4.h: Likewise.
+ * config/m68k/mot3300.h: Likewise.
+ * config/m68k/news.h: Likewise.
+ * config/m68k/next.h: Likewise.
+ * config/m68k/pbb.h: Likewise.
+ * config/m68k/plexus.h: Likewise.
+ * config/m68k/sgs.h: Likewise.
+ * config/m68k/sun3.h: Likewise.
+ * config/m68k/tower.h: Likewise.
+ * config/m68k/vxm68k.h: Likewise.
+
+2001-10-31 DJ Delorie <dj@redhat.com>
+
+ * config/mips/mips.h (mips_cache_flush_func): Prototype.
+ (TARGET_OPTIONS): Support -mflush-func= and -mno-flush-func.
+ (INITIALIZE_TRAMPOLINE): Use mips_cache_flush_func if nonzero.
+ * config/mips/mips.c (mips_cache_flush_func): New.
+ * doc/invoke.texi: Document the new options.
+
+2001-10-31 Hans-Peter Nilsson <hp@axis.com>
+
+ * config.gcc (cris-*-linux*, tm_file): Rearrange order.
+ * config/cris/linux.h (LIB_SPEC, STARTFILE_SPEC): Don't redefine.
+
+ * config/cris/cris.h (EH_RETURN_DATA_REGNO): Fix formatting.
+
+ * config/cris/cris.c: Include output.h after tree.h but before
+ target.h.
+
+2001-10-31 Zack Weinberg <zack@codesourcery.com>
+
+ * Makefile.in (INTL_TARGETS, POSUB): Delete all references.
+ (INTL_SUBDIRS): Just intl.
+ (.SUFFIXES): Add .gmo .po .pox.
+ (native): Also depend on build-@POSUB@.
+ (intl.all, intl.install): Depend on config.h and things it includes.
+ (po-generated): New target; depend on c-parse.c and tradcif.c.
+ (install-normal): Also depend on install-@POSUB@.
+ (XGETTEXT, GMSGFMT, MSGMERGE, PACKAGE, CATALOGS): New variables.
+ (build-, install-, build-po, update-po, install-po,
+ .po.gmo, .po.pox, $(PACKAGE).pot, po/$(PACKAGE).pot): New rules.
+
+ * aclocal.m4: Prefix each entry in CATALOGS with "po/"
+ * configure.in: Don't munge XGETTEXT. Don't generate
+ po/Makefile.in.
+ * configure: Regenerate.
+
+ * exgettext: Delete.
+ * config/m68k/m68k.h: Add doc strings for -msky and -mnosky.
+ * objc/Make-lang.in: Replace $(INTL_TARGETS) with po-generated.
+
+2001-10-31 Kazu Hirata <kazu@hxi.com>
+
+ * config/h8300/h8300.md (two anonymous patterns): New.
+
+2001-10-31 Aldy Hernandez <aldyh@redhat.com>
+
+ * tree.h (tree_index): Add support for V16QI and V8HI.
+ (V8HI_type_node): New.
+ (V16QI_type_node): New.
+
+ * tree.c (build_common_tree_nodes_2): Same.
+
+ * c-common.c (type_for_mode): Same.
+
+2001-10-31 Kazu Hirata <kazu@hxi.com>
+
+ * config/i386/att.h: Fix comment formatting.
+ * config/i386/beos-elf.h: Likewise.
+ * config/i386/bsd.h: Likewise.
+ * config/i386/bsd386.h: Likewise.
+ * config/i386/crtdll.h: Likewise.
+ * config/i386/cygwin.asm: Likewise.
+ * config/i386/cygwin.h: Likewise.
+ * config/i386/djgpp.h: Likewise.
+ * config/i386/freebsd-aout.h: Likewise.
+ * config/i386/freebsd.h: Likewise.
+ * config/i386/gas.h: Likewise.
+ * config/i386/i386-interix.h: Likewise.
+ * config/i386/i386-protos.h: Likewise.
+ * config/i386/i386.c: Likewise.
+ * config/i386/i386.h: Likewise.
+ * config/i386/i386.md: Likewise.
+ * config/i386/i386elf.h: Likewise.
+ * config/i386/interix.c: Likewise.
+ * config/i386/isc.h: Likewise.
+ * config/i386/isccoff.h: Likewise.
+ * config/i386/iscdbx.h: Likewise.
+ * config/i386/linux.h: Likewise.
+ * config/i386/lynx.h: Likewise.
+ * config/i386/mingw32.h: Likewise.
+ * config/i386/netbsd-elf.h: Likewise.
+ * config/i386/next.h: Likewise.
+ * config/i386/osf1elf.h: Likewise.
+ * config/i386/osfrose.h: Likewise.
+ * config/i386/sco5.h: Likewise.
+ * config/i386/seq-gas.h: Likewise.
+ * config/i386/seq-sysv3.h: Likewise.
+ * config/i386/sequent.h: Likewise.
+ * config/i386/sol2.h: Likewise.
+ * config/i386/sun386.h: Likewise.
+ * config/i386/uwin.asm: Likewise.
+ * config/i386/uwin.h: Likewise.
+ * config/i386/vxi386.h: Likewise.
+ * config/i386/win32.h: Likewise.
+ * config/i386/winnt.c: Likewise.
+ * config/i386/xm-cygwin.h: Likewise.
+ * config/i386/xm-mingw32.h: Likewise.
+
+2001-10-31 Kazu Hirata <kazu@hxi.com>
+
+ * builtins.def: Fix comment typos.
+ * config/alpha.c: Likewise.
+ * config/arm/arm.c: Likewise.
+ * config/avr/avr.h: Likewise.
+ * config/d30v/d30v.c: Likewise.
+ * config/d30v/d30v.h: Likewise.
+ * config/d30v/d30v.md: Likewise.
+ * config/dsp16xx/dsp16xx.c: Likewise.
+ * config/fr30/fr30.c: Likewise.
+ * config/fr30/fr30.md: Likewise.
+ * config/i386/i386.c: Likewise.
+ * config/i860/i860.c: Likewise.
+ * config/i960/i960.c: Likewise.
+ * config/ia64/ia64.c: Likewise.
+ * config/mips/mips.c: Likewise.
+ * config/pa/pa.c: Likewise.
+ * config/rs6000/rs6000.c: Likewise.
+ * config/s390/s390.c: Likewise.
+ * config/sparc/sparc.c: Likewise.
+
+2001-10-30 Kazu Hirata <kazu@hxi.com>
+
+ * config/mips/elf.h: Fix comment formatting.
+ * config/mips/elf64.h: Likewise.
+ * config/mips/iris5.h: Likewise.
+ * config/mips/iris5gas.h: Likewise.
+ * config/mips/iris6.h: Likewise.
+ * config/mips/isa3264.h: Likewise.
+ * config/mips/linux.h: Likewise.
+ * config/mips/mips.c: Likewise.
+ * config/mips/mips.h: Likewise.
+ * config/mips/mips.md: Likewise.
+ * config/mips/mips16.S: Likewise.
+ * config/mips/netbsd.h: Likewise.
+ * config/mips/osfrose.h: Likewise.
+ * config/mips/r3900.h: Likewise.
+ * config/mips/sni-svr4.h: Likewise.
+ * config/mips/svr4-t.h: Likewise.
+ * config/mips/ultrix.h: Likewise.
+
+2001-10-30 Daniel Berlin <dan@cgsoftware.com>
+
+ * bitmap.c (bitmap_element_free): Don't forget to update head->indx
+ when we update head->current.
+
+2001-10-30 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * tree.c (id_string_size): Remove.
+ (dump_tree_statistics): Update.
+ * toplev.c (compile_file): If dumping stats, dump tree stats too.
+
+Tue Oct 30 19:00:43 CET 2001 Jan Hubicka <jh@suse.cz>
+
+ * sched-rgn.c (schedule_insns): Fix comment.
+
+2001-10-30 Zack Weinberg <zack@codesourcery.com>
+
+ * configure.in: Correct previous change: don't assume that
+ gas's version number _isn't_ the last thing on the line, or
+ isn't the only number on the line, either.
+ * configure: Regenerate.
+
+2001-10-30 Kazu Hirata <kazu@hxi.com>
+
+ * cfgcleanup.c: Fix a comment typo.
+
+2001-10-30 Kazu Hirata <kazu@hxi.com>
+
+ * alias.c: Fix comment formatting.
+ * recog.c: Likewise.
+ * config/cris/cris.c: Likewise.
+ * config/cris/cris.h: Likewise.
+ * config/i960/i960.c: Likewise.
+ * config/i960/i960.h: Likewise.
+
+2001-10-30 Kazu Hirata <kazu@hxi.com>
+
+ * config/arm/arm.c: Fix a comment typo.
+ * config/arm/arm.h: Likewise.
+ * config/ia64/ia64.c: Likewise.
+
+2001-10-30 Jakub Jelinek <jakub@redhat.com>
+
+ * emit-rtl.c (set_unique_reg_note): Don't create REG_EQUAL or
+ REG_EQUIV notes for ASM_OPERANDS. Return the new note (if any).
+ * rtl.h (set_unique_reg_note): Change return value.
+ * gcse.c (try_replace_reg): Use set_unique_reg_note.
+ * cse.c (cse_insn): Likewise.
+ * expr.c (emit_move_insn): Likewise.
+ * explow.c (force_reg): Likewise.
+ * local-alloc (update_equiv_regs): Likewise.
+ * loop.c (move_moveables, load_mems): Likewise.
+ * reload (find_reloads): Likewise.
+
+2001-10-30 Paolo Bonzini <bonzini@gnu.org>
+
+ Localization fixes.
+ * c-decl.c (parmlist_tags_warning, start_struct,
+ check_for_loop_decls): Separate messages for struct, union and
+ enum cases to allow for languages in which they have different
+ genders.
+ * c-format.c (scanf_flag_specs): Separate short and long name of
+ the assignment suppression feature.
+ (check_format_types): Localize "pointer" and "different types"
+ strings.
+ * c-lex.c (lex_number): Localize "an unsigned long int" and
+ related strings.
+ (lex_string) [MULTIBYTE_CHARS]: Use initial lowercase letter on
+ warning message.
+ * c-typeck.c (build_unary_up): Separate messages for increment and
+ decrement cases to allow for languages in which they use different
+ articles. Localize the strings "increment" and "decrement" in one
+ case.
+
+Tue Oct 30 11:08:11 CET 2001 Jan Hubicka <jh@suse.cz>
+
+ * lcm.c (optimize_mode_switching): Do not rebuild liveness information
+ when no changes has been made.
+
+ * gcse.c (reg_set_bitmap): Turn into reg_set.
+ (modify_mem_list_set, canon_modify_mem_list_set)
+ (clear_modify_mem_tables, free_modify_mem_tables): New.
+ (gcse_main); Use free_modify_mem_tables.
+ (free_gcse_mem): Likewise; free the bitmaps.
+ (alloc_gcse_main): Initialize the bitmaps.
+ (canon_list_insert): Set canon_modify_mem_list_set.
+ (record_last_mem_set_info): Likewise; set modify_mem_list_set.
+ (compute_hash_table): Use clear_modify_mem_tables.
+ (reset_opr_set_tables): Likewise.
+ (oprs_not_set_p): reg_set_bitmap is regset.
+ (mark_set, mark_clobber): Likewise.
+
+ * df.h (DF_EQUIV_NOTES): New constant.
+ (df_insn_refs_record): Record uses inside or REG_EQUIV/EQUAL notes
+ when asked for.
+
+ * sched-rgn.c (CHECK_DEAD_NOTES): New constant.
+ (init_regions, schedule_insns): Conditionalize the checking
+ code by CHECK_DEAD_NOTES; avoid multiple calls to update_life_info.
+
+Tue Oct 30 11:02:31 CET 2001 Jan Hubicka <jh@suse.cz>
+
+ * i386.md (movti_rex64 splitter): Fix condition.
+
+2001-10-29 Zack Weinberg <zack@codesourcery.com>
+
+ * configure.in: Do not assume that gas's version number is the
+ last thing on the first line of as --version output.
+ * configure: Regenerate.
+
+ * tradcpp.c: Include intl.h. Rename WARNING, ERROR, FATAL to
+ MT_WARNING, MT_ERROR, MT_FATAL.
+ (main): Call gcc_init_libintl.
+ (v_message): Call gettext on msgid and "warning: "
+ * tradcif.y: Include intl.h.
+ (yyerror): Make parameter definition consistent with
+ prototype. Call gettext on msgid argument.
+
+2001-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * combine.c (num_sign_bit_copies): Avoid signed/unsigned
+ warnings.
+
+ * sparc/sol2.h: Include <sys/mman.h> when L_trampoline is defined.
+
+Mon Oct 29 19:22:07 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * reload1.c (eliminate_regs): Test for reg_renumber being allocated
+ before referencing it.
+
+2001-10-26 DJ Delorie <dj@redhat.com>
+
+ * config/rs6000/sysv4.h (LINK_SPEC): Allow -msdata=none to
+ override -G, and force -G0.
+
+2001-10-29 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * ChangeLog.2, ChangeLog.3, ChangeLog.4, FSFChangeLog.10,
+ FSFChangeLog.11, c-common.c, c-common.def, c-common.h, c-decl.c,
+ c-dump.c, c-typeck.c, except.c, sdbout.c, simplify-rtx.c,
+ timevar.h, tree.h, varasm.c: Fix spelling errors and typos.
+
+ * loop.h (struct induction): Rename ext_dependant to
+ ext_dependent.
+ * loop.c: Change all uses.
+ (check_ext_dependant_givs): Rename to check_ext_dependent_givs.
+ All callers changed.
+ * timevar.c (DEFTIMEVAR): Fix spelling of identifier__ parameter.
+
+2001-10-29 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-parse.in (expr_no_commas, primary), c-typeck.c
+ (parser_build_binary_op): Use IS_EXPR_CODE_CLASS.
+
+2001-10-29 David Edelsohn <edelsohn@gnu.org>
+
+ Undo assemble_name change in earlier patch.
+
+Mon Oct 29 21:11:40 2001 Nicola Pero <n.pero@mi.flashnet.it>
+
+ * objc/objc-act.c (finish_message_expr): For the GNU runtime: when
+ determining the type of the receiver, do not check that TREE_CODE
+ of receiver is CALL_EXPR before calling receiver_is_class_object().
+ (receiver_is_class_object): For the GNU runtime: recognize
+ the case that the receiver is self in a class method context.
+ Check that TREE_CODE of receiver is CALL_EXPR when checking that
+ the receiver is a call to objc_get_class.
+
+2001-10-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
+
+ * pa.md (floatunssisf2): Set subreg 0 of operand 2 to zero.
+
+Mon Oct 29 07:23:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * Makefile.in (OBJS): Put all files in alphabetical order.
+
+ * dwarf2out.c (add_const_value_attribute): Fix error in last
+ change.
+
+Mon Oct 29 12:43:06 CET 2001 Jan Hubicka <jh@suse.cz>
+
+ * basic-block.h (purge_all_dead_edges): Add update_life_p argument.
+ * cfgcleanup.c (merge_blocks): Update the life flag after merging;
+ fix warning.
+ * cfgrtl.c (purge_all_dead_edges): Allow updating of liveness.
+ (life_analysis): call purge_all_dead_edges after deleting noops.
+ (delete_noop_move): Do not purge CFG.
+ * toplev.c (rest_of_compilation): Update purge_all_dead_edges call.
+
+2001-10-28 David Edelsohn <edelsohn@gnu.org>
+
+ * config/rs6000/aix31.h (ASM_OUTPUT_EXTERNAL): Use assemble_name.
+ * config/rs6000/darwin.h (RS6000_OUTPUT_BASENAME): Delete.
+ (ASM_GLOBALIZE_LABEL): Use assemble_name.
+ (ASM_OUTPUT_COMMON): Likewise.
+ * config/rs6000/rs6000.c (print_operand): Use assemble_name.
+ (rs6000_output_function_epilogue): Likewise.
+ (output_mi_thunk): Fix typo.
+ (rs6000_output_symbol_ref): Use assemble_name.
+ (output_toc): Likewise.
+ * config/rs6000/sysv4.h (RS6000_OUTPUT_BASENAME): Delete.
+ * config/rs6000/xcoff.h (RS6000_OUTPUT_BASENAME): Delete;
+ assemble_name calls STRIP_NAME_ENCODING.
+ (ASM_OUTPUT_LABEL): Use assemble_name.
+ (ASM_GLOBALIZE_LABEL): Likewise.
+ (ASM_DECLARE_FUNCTION_NAME): Likewise.
+ (ASM_OUTPUT_ALIGNED_COMMON): Indent pseudo-op. Use assemble_name.
+ (ASM_OUTPUT_LOCAL): Likewise.
+
+Sun Oct 28 15:45:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * builtins.c (get_memory_rtx): Handle POINTERS_EXTEND_UNSIGNED case.
+ (expand_builtin_apply, expand_builtin_return): Likewise.
+ (expand_builtin_va_arg, expand_builtin_va_copy): Likewise.
+
+2001-10-28 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * ChangeLog.0, ChangeLog.1, ChangeLog.2, ChangeLog.3, ChangeLog.4,
+ ChangeLog.5, ChangeLog, FSFChangeLog.10, FSFChangeLog.11,
+ c-common.c, c-common.h, c-parse.in, c-typeck.c, cfg.c, config.gcc,
+ configure, configure.in, except.c, except.h, flow.c, function.c,
+ gcc.c, gcse.c, genrecog.c, libgcc2.c, loop.c, loop.h, params.def,
+ predict.def, predict.h, reg-stack.c, regmove.c, sched-deps.c,
+ sched-int.h, sibcall.c, ssa.c, stringpool.c, toplev.c, tree.c,
+ unroll.c: Fix spelling errors.
+
+ * doc/extend.texi, doc/invoke.texi: Fix spelling.
+
+ * doc/gcc.texi: Document use of "dependent" and American spelling.
+
+Sun Oct 28 17:05:36 CET 2001 Jan Hubicka <jh@suse.cz>
+
+ * expr.c (emit_group_load): Support CONCATs by storing them to memory
+ and reloading.
+
+Sun Oct 28 09:59:54 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * expr.c (store_constructor_field): Only call adjust_address on MEM.
+
+Sun Oct 28 16:48:09 CET 2001 Jan Hubicka <jh@suse.cz>
+
+ * genrecog.c (write_switch): Output if before switch for
+ DT_elt_zero_wide_safe.
+
+2001-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * Makefile.in (toplev.o, halfpic.o): Depend on halfpic.h
+ * i386/osfrose.h (SUBTARGET_SWITCHES): Add missing comma.
+ (FUNCTION_PROFILER): Const-ify.
+ * halfpic.c: Include "expr.h", "output.h" and "halfpic.h".
+ (eliminate_constant_term, assemble_name, output_addr_const):
+ Remove declarations.
+ (ptr_half_pic_address_p, half_pic_hash): Prototype.
+ (all_refs, half_pic_prefix, half_pic_hash, half_pic_declare,
+ half_pic_external, half_pic_address_p, half_pic_ptr): Const-ify.
+ * halfpic.h (ptr_half_pic_address_p, half_pic_finish): Prototype.
+ (half_pic_declare, half_pic_external): Const-ify.
+ * toplev.c: Include "halfpic.h".
+
+2001-10-28 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * config/alpha/alpha.md, config/arm/arm.c, config/arm/arm.h,
+ config/d30v/d30v.h, config/fr30/fr30.c, config/i370/x-oe,
+ config/i386/i386.c, config/i386/i386-interix.h,
+ config/i386/i386.md, config/i386/i386.h, config/i386/sco5.h,
+ config/i860/i860.h, config/i860/i860.md, config/m68k/aux-exit.c,
+ config/m68k/m68k.c, config/mcore/mcore.c, config/mips/mips.md,
+ config/ns32k/ns32k.h, config/pa/pa.c, config/rs6000/rs6000.c,
+ config/sparc/sparc.c, config/m68hc11/m68hc11.c,
+ config/cris/cris.c, config/cris/cris.h, config/s390/s390.c,
+ config/s390/s390.h, config/stormy16/stormy16.h, doc/tm.texi: Fix
+ spelling errors.
+
+ * ChangeLog.0, ChangeLog.1, ChangeLog.2, ChangeLog.3, ChangeLog.4,
+ ChangeLog.5, ChangeLog, ChangeLog.lib, FSFChangeLog.10, ONEWS,
+ c-common.c, caller-save.c, cfg.c, cfgcleanup.c, cfgrtl.c,
+ collect2.c, df.h, diagnostic.h, final.c, gcse.c, gthr.h,
+ haifa-sched.c, jump.c, local-alloc.c, profile.c, protoize.c,
+ regmove.c, reload1.c, rtlanal.c, sched-vis.c, ssa.c, stmt.c,
+ system.h, toplev.c: Fix spelling errors.
+
+Sat Oct 27 17:32:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * gcse.c (insert_insn_end_bb): Don't assume PAT is a SET.
+
+ * dwarf2out.c (reg_number): Abort if pseudo.
+ (reg_loc_descriptor): Return 0 if pseudo.
+ (is_based_loc): Return 0 if pseudo.
+ (mem_loc_descriptor): Return 0 for pseudo and handle 0 return from
+ recursive calls.
+ (concat_loc_descriptor): Return 0 if either part's descriptor is 0.
+ (loc_descriptor): Return 0 if can't find location and handle 0
+ return from recursive calls.
+ (loc_descriptor_from_tree): Likewise.
+ Fix handling of indirect.
+ Also return 0 for PLACEHOLDER_EXPR.
+ Clean up COMPONENT_REF cases.
+ (add_AT_location_descriptor): Simplify, but handle 0 return from
+ loc_descriptor.
+ (add_const_value_attribute): Avoid shift count warning.
+ (add_bound_info): Remove test for PLACEHOLDER_EXPR here.
+ Set comp_unit_die as context if not in function.
+
+ * config/mips/mips-protos.h: Break up long lines.
+ Remove needless #ifdef/#endif blocks.
+ Don't declare functions declared in file made by genpreds or recog.h.
+ * config/mips/mips.c (mips_output_function_prologue): TSIZE
+ is now HOST_WIDE_INT; delete unneeded casts.
+ * config/mips/mips.h: Don't use #elif.
+
+ * expr.c (stor_constructor_field): Always call adjust_address.
+ Copy TARGET before changing its alias set.
+ (store_field): Likewise, for TO_RTX.
+ (get_inner_reference): Stop at PLACEHOLDER_EXPR if can't find
+ replacement.
+ (safe_from_p, case ADDR_EXPR): Properly check for conflict.
+ (find_placeholder): Return 0 if can't find object.
+ (expand_expr, case PLACEHOLDER_EXPR): Abort if find_placeholder
+ returns 0.
+
+Sat Oct 27 16:31:23 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * ifcvt.c (if_convert): Call clear_aux_for_blocks.
+
+Sat Oct 27 12:12:09 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * cfgcleanup.c (merge_blocks_move_predecessor_nojumps,
+ merge_blocks_move_successors_nojumps): Set BB_UPDATE_LIFE.
+ (merge_blocks): Properly udpate life after making edge nonfallthru.
+ * cfgrtl.c (merge_blocks_nomove): Update global_live_at_end.
+
+2001-10-26 Kazu Hirata <kazu@hxi.com>
+
+ * config/h8300/h8300.c (get_shift_alg): Remove redundant code.
+
+2001-10-26 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * c-typeck.c (convert_arguments): When comparing for enumeral
+ type equality, use TYPE_MAIN_VARIANT.
+ * gcc.dg/Wconversion.c: New tests.
+
+2001-10-26 Kazu Hirata <kazu@hxi.com>
+
+ * s390/s390.c: Fix comment typos.
+ * s390/s390.h: Likewise.
+ * s390/s390.md: Likewise.
+
+2001-10-26 Alexandre Oliva <aoliva@redhat.com>
+
+ * tree-inline.c (WALK_SUBTREE_TAIL): New macro.
+ (walk_tree): Use it for tail calls where appropriate.
+
+2001-10-26 Alexandre Oliva <aoliva@redhat.com>
+
+ * cse.c (check_for_label_ref): Don't require REG_LABEL notes for
+ non-local label_refs.
+
+2001-10-26 Kazu Hirata <kazu@hxi.com>
+
+ * config/h8300/h8300.md (4 anonymous patterns): New.
+
+2001-10-26 Kazu Hirata <kazu@hxi.com>
+
+ * config/h8300/h8300.c (get_shift_alg): Clean up. Return the
+ algorithm through the shift_info structure.
+ (emit_a_shift): Update the use of get_shift_alg.
+
+2001-10-27 Daniel Berlin <dan@cgsoftware.com>
+
+ * sched-rgn.c: Remove bitset typedef.
+ Change bitset to sbitmap in prototypes / variable types.
+ Remove bbset_size.
+ Remove edgeset_bits.
+ Remove edgeset_size.
+ s/BITSET_ADD/SET_BIT/g
+ s/BITSET_INVERT/sbitmap_ones/g
+ s/BITSET_INTER/sbitmap_a_and_b/g
+ s/BITSET_UNION/sbitmap_a_or_b/g
+ s/BITSET_DIFFER/sbitmap_difference/g
+ s/bitset_member/TEST_BIT/g
+ (BITSET_*): Removed.
+ (bitset_member): Removed.
+ (extract_bitlst): Rewrite, now that we have sbitmaps, we can use
+ EXECUTE_IF_SET_IN_SBITMAP.
+ (split_edges): Rewrite, use sbitmap functions instead of bitset
+ operations.
+ (schedule_region): Allocate/free sbitmaps, rather than bitsets.
+
+2001-10-26 Andreas Schwab <schwab@suse.de>
+
+ * reload1.c (emit_input_reload_insns): Fix parens in last
+ (undocumented) change that was supposed to change only whitespace.
+
+Fri Oct 26 07:18:08 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * cfgcleanup.c (BB_SET_FLAG, BB_CLEAR_FLAG): Add cast to avoid warning.
+
+ * local-alloc.c (update_equiv_regs): Don't make REG_EQUAL note for
+ ASM_OPERANDS.
+
+2001-10-26 Andreas Jaeger <aj@suse.de>
+
+ * flow.c (clear_log_links): Remove unused variable.
+ * cfgcleanup.c (cleanup_cfg): Likewise.
+
+2001-10-26 Alexandre Oliva <aoliva@redhat.com>
+
+ * tree-inline.c (remap_decl): Don't copy size and size_unit here.
+ (remap_save_expr): Map a remapped SAVE_EXPR to error_mark_node.
+
+2001-10-26 Richard Henderson <rth@redhat.com>
+
+ * config/alpha/alpha.h (enum reg_class): Add R24_REG, R25_REG;
+ rename PV_REG to R27_REG.
+ (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Update.
+ (REG_CLASS_FROM_LETTER): Update.
+ (PREFERRED_RELOAD_CLASS): Don't widen a reg class.
+ * config/alpha/alpha.md (divsi3): Don't hard-code r24, r25, r27.
+ (udivsi3, modsi3, umodsi3): Likewise.
+ (divdi3, udivdi3, moddi3, umoddi3): Likewise.
+
+2001-10-26 Richard Henderson <rth@redhat.com>
+
+ * cfg.c (clear_aux_for_blocks): Split out of ...
+ (free_aux_for_blocks): here.
+ (clear_aux_for_edges): Split from ...
+ (free_aux_for_edges): here.
+ * basic-block.h: Declare them.
+ * lcm.c (compute_antinout_edge): Use them.
+ (compute_laterin, compute_available, compute_nearerout): Likewise.
+ (optimize_mode_switching): Likewise.
+
+2001-10-26 Richard Henderson <rth@redhat.com>
+
+ * Makefile.in (unstage*): Remove as, ld, collect-ld before
+ moving everything back to the main build directory.
+
+2001-10-26 Christopher Faylor <cgf@redhat.com>
+
+ * config/i386/cygwin.h: Search target specific include directory, if
+ appropriate.
+
+2001-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * dwarf2out.c (PTR_SIZE, default_eh_frame_section): Move outside
+ of macro guards. Fix #endif comment.
+
+ * output.h (default_exception_section, default_eh_frame_section):
+ Move prototypes outside of macro guard.
+
+ * crtstuff.c: Fix #endif comment.
+
+Thu Oct 25 12:21:58 2001 Jeffrey A Law (law@cygnus.com)
+
+ * doc/md.texi (movMM): Clarify semantics of storing into a
+ non-paradoxical SUBREG.
+
+2001-10-25 Zack Weinberg <zack@codesourcery.com>
+
+ * langhooks.c (lang_hook_default_clear_binding_stack): New.
+ (lang_hook_default_get_alias_set): Move next to other alias
+ hooks.
+ * langhooks.h: Prototype lang_hook_default_clear_binding_stack.
+ (LANG_HOOKS_CLEAR_BINDING_STACK): New macro.
+ (LANG_HOOKS_INITIALIZER): Add it.
+ * toplev.h (struct lang_hooks): Add clear_binding_stack.
+ * toplev.c (compile_file): Call lang_hooks.clear_binding_stack
+ instead of a loop calling poplevel.
+
+2001-10-25 Nick Clifton <nickc@cambridge.redhat.com>
+
+ * config/mips/isa3264.h (SUBTARGET_CPP_SIZE_SPEC): Replace
+ occurrences of #elif with #if...#endif.
+
+2001-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * cris.h (EH_RETURN_DATA_REGNO): Fix unsigned>=0 warning.
+
+Thu Oct 25 08:46:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * alias.c (can_address_p): No longer static.
+ * emit-rtl.c (get_mem_attrs): New parameter, MODE; all callers changed.
+ Return 0 if all parameters are default values.
+ (set_mem_attributes): Set MEM_KEEP_ALIAS_SET_P.
+ (adjust_address_1): Try harder to compute a size.
+ * expr.c (expand_assignment, store_constructor): If can't address,
+ set MEM_KEEP_ALIAS_SET_P.
+ (store_constructor_field): Don't change set if MEM_KEEP_ALIAS_SET_P.
+ (store_field): Likewise.
+ (store_constructor): Simplify call to store_constructor_field.
+ * expr.h (can_address_p): New declaration.
+ * gensupport.c (gen_rtx_CONST_INT): New function.
+ * rtl.h (MEM_KEEP_ALIAS_SET_P): New macro.
+ (MEM_SIZE): Get size from mode, if not set and not BLKmode.
+ (MEM_COPY_ATTRIBUTES): Copy MEM_KEEP_ALIAS_SET_P.
+
+ * stmt.c (expand_end_case): Remove orig_minval and use tree_low_cst.
+
+2001-10-24 Christopher Faylor <cgf@redhat.com>
+
+ * config/i386/cygwin.h: Use proper path for mingw crt files when
+ -mno-cygwin.
+
+Wed Oct 24 18:43:42 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * dwarf2out.c (file_info_cmp): Always return consistent results.
+
+2001-10-24 Roger Sayle <roger@eyesopen.com>
+
+ * stmt.c (expand_end_case): Index jumptables from zero for
+ suitably small values of minval.
+
+2001-10-24 Jakub Jelinek <jakub@redhat.com>
+
+ * stor-layout.c (place_union_field): If any field was aligned with
+ attribute aligned, set record type's TYPE_USER_ALIGN.
+ (place_field): Likewise.
+ (finalize_record_size): Don't clear TYPE_USER_ALIGN.
+ (layout_type) [ARRAY_TYPE]: Copy element's TYPE_USER_ALIGN.
+
+2001-10-24 Zack Weinberg <zack@codesourcery.com>
+
+ * c-common.h (struct c_common_identifier): Remove rid_code field.
+ (C_RID_CODE): Use ->node.rid_code instead of ->rid_code.
+
+ * c-typeck.c (constructor_designated): New local flag.
+ (struct constructor_stack): Add "designated" field to match.
+ (start_init): Clear it.
+ (really_start_incremental_init, push_init_level): Push and
+ clear it.
+ (pop_init_level): Pop it.
+ (set_designator): Set it.
+
+ (pop_init_level): Suppress "missing initializer" warnings if
+ constructor_designated is true.
+ (process_init_element): Suppress warning about union
+ initialization under traditional C, if constructor_designated
+ is true.
+
+Wed Oct 24 15:35:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * integrate.c (copy_rtx_and_substitute, case CALL): Fix error in last
+ change.
+
+Wed Oct 24 13:26:12 2001 Jeffrey A Law (law@cygnus.com)
+
+ * h8300.h (RETURN_ADDR_RTX): Remove old, incorrect definition.
+
+2001-10-24 Dan Nicolaescu <dann@ics.uci.edu>
+
+ * ssa-ccp.c (ssa_ccp_substitute_constants): Don't do anything if
+ the node was already a set to a constant.
+
+Wed Oct 24 12:41:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * emit-rtl.c (set_mem_attributes): Fix typo in last change.
+ * print-rtl.c (print_rtx, case MEM): Improve display of MEM_DECL.
+
+2001-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * s390/linux.h (ASM_OUTPUT_BYTE): Fix format specifier warnings.
+ (ASM_OUTPUT_ASCII): Const-ify. Fix signed/unsigned warning.
+ (ASM_OUTPUT_MI_THUNK): Fix format specifier warnings.
+ * s390.c (s390_final_chunkify): Don't use string concatenation.
+ (s390_function_prologue, s390_function_epilogue): Const-ify.
+ * s390.h (FUNCTION_PROFILER): Remove unused variable.
+
+2001-10-24 Jakub Jelinek <jakub@redhat.com>
+
+ * c-decl.c (finish_decl): Don't add DECL_STMTs for nested function
+ prototypes.
+
+2001-10-23 Stan Shebs <shebs@apple.com>
+
+ * config/rs6000/x-darwin: Use -no-cpp-precomp instead of
+ -traditional-cpp in first-stage compilation.
+
+Tue Oct 23 21:45:40 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * gensupport.c (target_flags): Add.
+
+Tue Oct 23 13:05:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
+
+ * builtins.c (expand_builtin_setjmp): Only call convert_memory_address
+ if needed.
+ (expand_builtin_longjmp, expand_builtin_alloca): Likewise.
+ * except.c (expand_builtin_frob_return_addr): Likewise.
+ (expand_builtin_eh_return): Likewise.
+ * stmt.c (expand_computed_goto): Likewise.
+ * explow.c (memory_address): Likewise.
+ (allocate_dynamic_stack_space): Clean up predicate testing.
+ (probe_stack_range): Convert SIZE to Pmode.
+ * calls.c (rtx_for_function_call): Only call convert_memory_address
+ if needed.
+ Pass function call operand as ptr_mode, not Pmode.
+ * expr.c (expand_assignment): Clean up calls to convert_memory
+ address by only doing so when needed and making offsets Pmode.
+ (store_constructor, expand_expr, expand_expr_unaligned): Likewise.
+ * function.c (assign_parms): Ensure address in MEM for RESULT_DECL
+ is in Pmode, not ptr_mode.
+
+2001-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * darwin-protos.h (constructor_section, destructor_section,
+ mod_init_section, mod_term_section): Prototype.
+ * darwin.c (machopic_finish, update_non_lazy_ptrs, update_stubs):
+ Const-ify.
+ * darwin.h (ASM_DECLARE_OBJECT_NAME, ASM_DECLARE_FUNCTION_NAME):
+ Likewise.
+ (SECTION_FUNCTION): Prototype `FUNCTION'. Delete
+ objc_section_init declaration.
+ (EXTRA_SECTION_FUNCTIONS): Prototype objc_section_init.
+ (objc_section_init, try_section_alias): Make static.
+ (alias_section): Make static and hide unused function.
+ (ASM_GENERATE_INTERNAL_LABEL): Fix format specifier warning.
+
+Tue Oct 23 13:05:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * alias.c (can_address_p): Compnonents are not addressable if
+ the containing type has alias set 0.
+ (get_alias_set): Rework to use STRIP_NOPS.
+ Only call front-end routine on object, type, or object with
+ NOPs stripped, not inner values.
+ Use language hook to call front-end routine.
+ * builtins.c (get_memory_rtx): Always call set_mem_attributes.
+ (expand_builtin_apply): Call set_mem_align on MEMs we make.
+ Don't pass alignment to emit_block_move.
+ (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
+ (expand_builtin_memset): Likewise, but for clear_storage.
+ * c-common.c (lang_get_alias_set): Renamed to c_common_alias_set
+ and remove C++ specific parts.
+ * c-common.h (c_common_get_alias_set): Add declaration.
+ * c-lang.c (LANG_HOOKS_GET_ALIAS_SET): New macro.
+ * calls.c (emit_call_1): Fix typo in sibcall_pop case.
+ (save_fixed_argument_area): Call set_mem_align.
+ Remove alignment in call to emit_block_move.
+ (emit_library_call_value_1, store_one_arg): Likewise.
+ (target_for_arg): Remove; disabled long ago.
+ * emit-rtl.c (set_mem_attributes): Rework to only call get_mem_attrs
+ once and similar cleanups.
+ (offset_address): Use proper introductory comment.
+ * expr.c (emit_block_move): Use alignment from that of MEM args, not
+ from explicit operand; all callers changed.
+ (clear_storage): Likewise.
+ (expand_assignment): Don't call set_mem_alias_set on to_rtx.
+ (store_field): Remove kludge on alias set used for to_rtx.
+ (highest_pow2_factor, case *_DIV_EXPR): Never return 0.
+ (expand_expr_unaligned): Call set_mem_attributes instead of
+ set_mem_alias_set.
+ * expr.h (emit_block_move, clear_storage): Remove ALIGN argument.
+ * function.c (assign_stack_temp_for_type): Set MEM alignment.
+ (expand_function_end): Track MEM attributes of trampolines.
+ * ifcvt.c (noce_try_cmove_arith): Set alignment of new MEM.
+ * integrate.c (copy_rtx_and_substitute, case CALL): Copy memory
+ attributes from original.
+ * langhooks.c (lang_hook_default_get_alias_set): New function.
+ (hook_get_alias_set_0): New function.
+ * langhooks.h (hook_get_alias_set_0): New declaration.
+ (lang_hook_default_get_alias_set): Likewise.
+ (LANG_HOOKS_GET_ALIAS_SET): New macro; add to initializer.
+ * reload1.c (alter_reg): Use adjust_address_nv.
+ * rtl.c (get_mode_alignment): Moved to here.
+ * rtl.h (MEM_ALIGN): Take default from mode, if not BLKmode, and
+ change default if unknown from 1 to BITS_PER_UNIT.
+ * stor-layout.c (get_mode_alignment): Remove from here.
+ * toplev.h (struct lang_hoks): Add get_alias_set field.
+ * tree.h (lang_get_alias_set): Delete declaration.
+ * config/arc/arc.c (arc_setup_incoming_varags): Set MEM alignment.
+ * config/i386/i386.c (ix86_setup_incoming_varargs): Likewise.
+ (ix86_va_arg): Likewise.
+ * config/i960/i960.c (i960_setup_incoming_varargs): Likewise.
+ * config/pa/pa.c (hppa_builtin_saveregs): Likewise.
+ * config/sparc/sparc.c (sparc_va_arg): Likewise.
+ * config/rs6000/rs6000.c (setup_incoming_varargs): Likewise.
+ (expand_block_move_mem): Remove dead code.
+
+2001-10-22 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * c-common.c (warn_div_by_zero): New.
+ * c-common.h (warn_div_by_zero): New.
+ * c-decl.c (c_decode_option): Take it on the command line.
+ * c-typeck.c (build_binary_op): Warn about division by zero.
+ * doc/invoke.texi: Document the new command line option, fix
+ documentation of -Wmultichar.
+ * testsuite/gcc.dg/divbyzero.c: New tests.
+ * testsuite/gcc.dg/noncompile/20010524-1.c: Update.
+
+Tue Oct 23 15:30:23 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * i386.c (ix86_expand_int_movcc): Cleanup; use expand_simple_*op.
+
+ * toplev.c (rest_of_compilation): Use CLEANUP_UPDATE_LIFE
+ to avoid update_life_info call.
+ * basic-block.h (CLEANUP_UPATE_LIFE): Define.
+ * cfgcleanup.c (bb_flags): New enum.
+ (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG, FORWARDER_BLOCK_P): New macros.
+ (notice_new_block, update_forwarder_flag): New functions.
+ (try_simplify_condjump): Use FORWARDER_BLOCK_P.
+ (try_forward_edges): Likewise; update flags.
+ (merge_blocks): Likewise.
+ (outgoing_edges_match): Likewise.
+ (try_crossjump_to_edge): Likewise.
+ (try_optimize_cfg): Likewise; initialize and clear the flags;
+ recompute life info if needed.
+ (cleanup_cfg): No need to clear aux pointers.
+
+2001-10-23 Alexandre Oliva <aoliva@redhat.com>
+
+ * config/i386/i386.c (override_options): Default to minimum
+ stack alignment when optimizing for code size.
+ * doc/invoke.texi (-mpreferred-stack-boundary): Document the
+ change.
+
+ * config/i386/i386.c (override_options): Set upper limit of
+ -mpreferred-stack-boundary to 12.
+
+2001-10-22 Zack Weinberg <zack@codesourcery.com>
+
+ * recog.c (peephole2_optimize): Add default case to switch.
+
+2001-10-23 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * doc/gcc.texi (Sending Patches): Remove.
+
+2001-10-22 Hans-Peter Nilsson <hp@bitrange.com>
+
+ * unwind-dw2-fde.c (fde_unencoded_compare): Derefer pc_begin
+ fields when comparing.
+
+2001-10-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * arm.h (HOST_INT, HOST_UINT): Delete. Remove all uses.
+ * arm.c (HOST_INT, HOST_UINT): Likewise.
+
+2001-10-22 Stan Shebs <shebs@apple.com>
+
+ * config/darwin-protos.h (darwin_exception_section): Declare.
+ (darwin_eh_frame_section): Declare.
+
+Mon Oct 22 18:21:25 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * i386.md (movti_rex64): Fix mode.
+
+2001-10-22 Stan Shebs <shebs@apple.com>
+
+ * target.h (struct gcc_target): Add asm_out.exception_section,
+ asm_out.eh_frame_section.
+ * target-def.h (TARGET_ASM_EXCEPTION_SECTION): New macro.
+ (TARGET_ASM_EH_FRAME_SECTION): New.
+ (TARGET_INITIALIZER): Update.
+ * output.h (default_exception_section): Declare.
+ (default_eh_frame_section): Declare.
+ * dwarf2out.c: Include target.h.
+ (output_call_frame_info): Call target hook for eh frames.
+ (default_eh_frame_section): New function.
+ * except.c: Include target.h.
+ (output_function_exception_table): Call target hook for exception
+ section.
+ * varasm.c (default_exception_section): Rename from
+ exception_section, remove EXCEPTION_SECTION macro.
+
+ * config/darwin.h (darwin_eh_frame_section): New function.
+ (EXCEPTION_SECTION): Remove.
+ (TARGET_ASM_EXCEPTION_SECTION): Define.
+ * config/nextstep.h (EH_FRAME_SECTION_ASM_OP): Remove.
+ (nextstep_exception_section): New function.
+ (nextstep_eh_frame_section): New function.
+ (TARGET_ASM_EXCEPTION_SECTION): Define.
+ (TARGET_ASM_EH_FRAME_SECTION): Define.
+
+ * config/pa/som.h (EXCEPTION_SECTION): Remove.
+ (TARGET_ASM_EXCEPTION_SECTION): Define.
+ * config/rs6000/sysv4.h, config/rs6000/xcoff.h
+ (EXCEPTION_SECTION): Remove.
+ (TARGET_ASM_EXCEPTION_SECTION): Define.
+ * config/stormy16/stormy16.h: Remove comments referencing
+ EXCEPTION_SECTION and EH_FRAME_SECTION_ASM_OP.
+
+ * doc/tm.texi: Document TARGET_ASM_EXCEPTION_SECTION and
+ TARGET_ASM_EH_FRAME_SECTION.
+
+2001-10-22 Nick Clifton <nickc@cambridge.redhat.com>
+
+ * config/mips/mips.md (mul_acc_si): Fix precedence of conditional
+ terms.
+
+ * c-format.c: Fix spelling typo in comment.
+
+ * sched-int.h: Fix typo in GCC preamble.
+
+2001-10-21 Craig Rodrigues <rodrigc@gcc.gnu.org>
+
+ PR debug/4252
+ * doc/invoke.texi: Remove references to -fdump-translation-unit.
+
+2001-10-22 Richard Henderson <rth@redhat.com>
+
+ * config/i386/i386.c (ix86_expand_clear): New.
+ * config/i386/i386-protos.h: Declare it.
+ * config/i386/i386.md (setcc peep2s): Use it.
+ (movsi_xor): Unexport.
+
+2001-10-22 Richard Henderson <rth@redhat.com>
+
+ * flow.c (clear_log_links): Use free_INSN_LIST_list, not
+ free_EXPR_LIST_list for LOG_LINKS.
+
+2001-10-21 Robert Lipe <robertlipe@usa.net>
+
+ * config/i386/i386.c (sco_asm_named_section): Delete.
+ (sco_asm_out_constructor): Delete.
+ * config/i386/sco5.h (ASM_QUAD): Undo damage from att.h.
+ (ASM_OUTPUT_DOUBLE_INT): Likewise.
+ (TARGET_ASM_CONSTRUCTOR): Delete. Use default.
+ (TARGET_ASM_NAMED_SECTION): Use default for ELF.
+ (EXCEPTION_SECTION): Delete EH scn renaming hack.
+
+2001-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * c-format.c (maybe_read_dollar_number): Use safe-ctype macros
+ and/or fold extra calls into fewer ones.
+ * collect2.c (dump_file): Likewise.
+ * cppexp.c (parse_number): Likewise.
+ * cpplex.c (_cpp_lex_direct): Likewise.
+ * final.c (output_asm_insn, asm_fprintf): Likewise.
+ * fix-header.c (inf_scan_ident, main): Likewise.
+ * fixinc/fixfixes.c (char_macro_use_fix, char_macro_def_fix):
+ Likewise.
+ * fold-const.c (real_hex_to_f): Likewise.
+ * gen-protos.c (parse_fn_proto): Likewise.
+ * genattrtab.c (check_attr_test, check_attr_value): Likewise.
+ * genrecog.c (change_state, write_action): Likewise.
+ * gensupport.c (shift_output_template): Likewise.
+ * local-alloc.c (requires_inout): Likewise.
+ * mips-tfile.c (IS_ASM_IDENT): Likewise.
+ * protoize.c (is_id_char, main): Likewise.
+ * real.c (asctoeg): Likewise.
+ * recog.c (asm_operand_ok): Likewise.
+ * reload.c (find_reloads): Likewise.
+ * scan.c (scan_identget_token): Likewise.
+ * sched-vis.c (print_value): Likewise.
+ * stringpool.c (ggc_alloc_string): Likewise.
+ * toplev.c (read_integral_parameter, decode_g_option): Likewise.
+ * tradcif.y (parse_number, yylex, parse_escape): Likewise.
+ * tradcpp.c (rescan): Likewise.
+ * tree.c (clean_symbol_name): Likewise.
+ * varasm.c (decode_reg_name): Likewise.
+
+ * alpha.h (ASM_OUTPUT_ASCII): Likewise.
+ * darwin.c (name_needs_quotes, func_name_maybe_scoped): Likewise.
+ * dsp16xx.h (ASM_OUTPUT_ASCII): Likewise.
+ * m88k.c (output_ascii): Likewise.
+ * m88k.h (OVERRIDE_OPTIONS): Likewise.
+ * mcore.h (REG_CLASS_FROM_LETTER): Likewise.
+ * ns32k/encore.h (ASM_OUTPUT_ASCII): Likewise.
+ * sh.h (REG_CLASS_FROM_LETTER): Likewise.
+
+2001-10-21 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * langhooks.c (lang_hook_default_do_nothing,
+ lang_hook_default_decode_option): New defaults.
+ * langhooks.h: Make hooks unconditional and non-NULL.
+ * toplev.c (compile_file, toplev_main): Update.
+ * toplev.h: Update comments.
+ * objc/objc-act.c (lang_hooks): Update to new paradigm.
+
+2001-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * arm.h (FUNCTION_ARG_REGNO_P): Use IN_RANGE.
+
+ * system.h (IN_RANGE): New macro.
+
+2001-10-21 Zack Weinberg <zack@codesourcery.com>
+
+ * aclocal.m4 (AM_WITH_NLS): Also create and substitute
+ INTLDEPS variable, which does not include $LIBICONV.
+ * Makefile.in: Use INTLDEPS in LIBDEPS.
+ * configure: Regenerate.
+
+2001-10-21 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cpphash.h (struct cpp_buffer): Delete read_ahead and extra_char.
+ * cpplex.c (lex_percent, lex_dot): Remove.
+ (get_effective_char, skip_block_comment, skip_line_comment,
+ parse_identifier_slow, parse_number, parse_string, save_comment,
+ _cpp_lex_direct): Update to do lookback freely.
+ (IF_NEXT_IS, BACKUP): New macros.
+ * cpplib.c (cpp_push_buffer): Don't set read_ahead and extra_char.
+ * cppmacro.c (paste_tokens): Update.
+
+2001-10-20 Nick Clifton <nickc@cambridge.redhat.com>
+
+ * doc/invoke.texi (i386 and x86-64 Options): Fix typo.
+
+2001-10-20 Hans-Peter Nilsson <hp@axis.com>
+
+ * reload1.c (reload): Check CONSTANT_P before calling
+ LEGITIMATE_PIC_OPERAND_P.
+ * config/cris/cris.c (cris_legitimate_pic_operand): Revert
+ workaround of 2001-10-13.
+
+Sat Oct 20 15:16:10 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * i386.c (split_di): Handle splitting of DFmode.
+
+Sat Oct 20 07:27:14 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * emit-rtl.c (set_mem_attributes): Alignment is in bits.
+ (adjust_address_1, offset_address): Likewise.
+
+ * final.c (output_asm_operand_names): New fcn, from output_asm_insn.
+ (output_asm_insn): Call it for each line output.
+ Don't record an operand more than once.
+
+ * toplev.h (struct lang_hooks): HONOR_READONLY now bool.
+ * main.c: Include config.h and system.h, but not ansidecl.h.
+ * Makefile.in (main.o): Update accordingly.
+
+Sat Oct 20 12:05:31 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * i386.h (SSE_REGPARM_MAX): Set to 8 for x86_64.
+
+Sat Oct 20 12:01:07 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * basic-block.h (find_sub_basic_blocks): Use sbitmap parameter.
+ * cfgbuild.c (find_bb_boundaries, compute_outgoing_frequencies):
+ Break out from ...
+ (find_sub_basic_blocks): ... here;
+ (find_many_sub_basic_blocks): New.
+ * recog.c (split_all_insns): Update find_sub_basic_blocks call.
+
+ * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Define sdata4.
+
+ * i386.c (ix86_va_arg): Kill indirect_p handling; fix aliasing issues.:
+
+ * i386.c (split_di, split_ti): Revamp to use simplify_subreg.
+
+ * timevar.def (TV_LIFE, TV_LIFE_UPDATE, TV_MODE_SWITCH): new.
+ * flow.c (update_life_info): Measure time.
+ * c-decl.c: Include timevar.h
+ (c_expand_body): Measure time.
+ * toplev.c (rest_of_compilation): Measure time of mode switching
+ separately.
+ * Makefile.in (c-decl.o, cfgcleanup.o): Add dependency.
+
+ * toplev.c (flag_asynchronous_unwind_tables): New global variable.
+ (lang_independent_options): Add asynchronous-unwind-tables
+ (toplev_main): flag_asynchronous_unwind_tables implies
+ flag_unwind_tables.
+ * flags.h (flag_asynchronous_unwind_tables): Declare.
+ * dwarf2out.c (dwarf2out_stack_adjust): Take into account
+ flag_asynchronous_unwind_tables.
+ (output_call_frame_info): Likewise.
+ * invoke.texi (-fasynchronous-unwind-tables): Document.
+ * i386.c (optimization_options): Enable
+ flag_asynchronous_unwind_tables.
+
+ * i386.c (ix86_expand_setcc): Always expect target to be QImode.
+ * i386.md (s* expanders): Destination is QImode.
+
+ * toplev.c (rest_of_compilation): Do not call clear_log_links.
+ * rtl.h (clear_log_links): Kill.
+ * flow.c (clear_log_links): Make static; accept blocks parameter;
+ do no clear life info.
+ (update_life_info): Call clear_log_links.
+
+ * cfganal.c (forwarder_block_p): Avoid active_insn_p calls.
+
+2001-10-20 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cpplex.c (handle_newline, skip_escaped_newlines,
+ get_effective_char, skip_block_comment, skip_line_comment,
+ parse_identifier_slow, parse_number, parse_string,
+ _cpp_lex_direct): Update to do more stepping back.
+ (trigraph_ok): Similarly. Rename trigraph_p.
+ (SAVE_STATE, RESTORE_STATE): Remove.
+ (BUFF_SIZE_UPPER_BOUND): Tweak. Add sanity check.
+
+ * cpplib.c (destringize): Rename destringize_and_run, and
+ call run_directive directly.
+ (_cpp_do__Pragma): Simplify.
+
+2001-10-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * pe.c (arm_pe_unique_section): Const-ify.
+ * pe.h (TARGET_ASM_NAMED_SECTION): Undef before defining.
+ (switch_to_section): Add static prototype.
+
+ * output.h (drectve_section): Prototype.
+
+2001-10-19 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
+
+ * config.gcc (i[34567]86-*-gnu*, arc-*-elf*, d30v-*,
+ fr30-*-elf, hppa*64*-*-linux*, parisc*64*-*-linux*, hppa*-*-linux*,
+ parisc*-*-linux*, i370-*-linux*, i[34567]86-*-chorusos*,
+ i[34567]86-*-elf*, i[34567]86-ncr-sysv4*, i[34567]86-*-netware,
+ i[34567]86-sequent-ptx4*, i[34567]86-sequent-sysv4*,
+ i[34567]86-*-beoself*, i[34567]86-*-beos*, i[34567]86-*-freebsd*,
+ i[34567]86-*-netbsdelf*, i[34567]86-*-linux*libc1,
+ i[34567]86-*-linux*, i[34567]86-moss-msdos*, i[34567]86-*-moss*,
+ i[34567]86-go32-rtems*, i[34567]86-*-rtems*, i[34567]86-*-rtemself*,
+ i[34567]86-*-solaris2*, i[34567]86-*-sysv5*, i[34567]86-*-sysv4*,
+ i[34567]86-*-udk*, i[34567]86-*-osf1*, i[34567]86-dg-dgux*,
+ i860-alliant-*, i860-*-sysv4*, ia64*-*-aix*, ia64*-*-linux*,
+ ia64*-*-hpux*, m32r-*-elf*, m88k-dg-dgux*, m88k-*-sysv4*, mcore-*-elf,
+ mips*-*-linux*, mn10200-*-*, mn10300-*-*, pj*-linux*, pjl-*,
+ powerpc64-*-linux*, powerpc-*-sysv*, powerpc-*-netbsd*,
+ powerpc-*-chorusos*, powerpc-*-eabiaix*, powerpc-*-eabisim*,
+ powerpc-*-elf*, powerpc-*-eabi*, powerpc-*-rtems*,
+ powerpc-*-linux*libc1, powerpc-*-linux*, powerpc-wrs-vxworks*,
+ powerpcle-wrs-vxworks*, powerpcle-*-sysv*, powerpcle-*-elf*,
+ powerpcle-*-eabisim*, powerpcle-*-eabi*, powerpcle-*-solaris2*,
+ rs6000-*-mach*, s390-*-linux*, s390x-*-linux*, sh-*-elf*,
+ sh-*-rtemself*, sh-*-rtems*, sh-*-linux*, stormy16-*-elf,
+ v850-*-rtems*, v850-*-*, x86_64-*-linux*), cris-*-aout, cris-*-elf,
+ cris-*-none, cris-*-linux*: Update ${tmfile} list.
+ (c4x-*-rtems*, c4x-*, i[34567]86-go32-rtems*, i[34567]86-*-rtemscoff*,
+ i[34567]86-*-rtems*, i[34567]86-*-rtemself*, i[34567]86-*-osf1*,
+ mn10200-*-*, mn10300-*-*, powerpc-*-beos*, powerpc-*-darwin*,
+ powerpc-wrs-vxworks*, powerpcle-wrs-vxworks*, v850-*-rtems*,
+ v850-*-*): Delete superflous ${cpu_type} setting.
+ * config/linux.h: Delete svr4.h include.
+ (SET_ASM_OP): Delete.
+ * config/netware.h (INT_ASM_OP): Undef before define.
+ * config/ptx4.h: Delete elfos.h include.
+ (PREFERRED_DEBUGGING_TYPE): Undef instead of wrapping.
+ * config/svr4.h: Delete elfos.h include. Update commentary.
+ * config/arc/arc.h, config/d30v/d30v.h, config/fr30/fr30.h,
+ config/m32r/m32r.h, config/m88k/sysv4.h, config/mn10200/mn10200.h,
+ config/mn10200/mn10300.h, config/stormy16/stormy16.h,
+ config/v850/v850.h: Delete svr4.h include.
+ * config/i370/linux.h, config/i386/osf1elf.h, config/m68k/linux.h,
+ config/m68k/m68kv4.h, config/m88k/sysv4.h,
+ config/sparc/sysv4.h: Update includes.
+ * config/i386/beos-elf.h, config/i386/netware.h, config/i386/ptx4-i.h,
+ config/i386/rtemself.h, config/i386/sol2.h, config/i386/sysv4.h,
+ config/i386/sysv5.h, config/i386/udk.h, config/ia64/linux.h,
+ config/m88k/dguxbcs.h: Delete includes.
+ * config/i386/dgux.h, config/i386/osf1elfgdb.h: Delete include.
+ (PREFERRED_DEBUGGING_TYPE): Undef before defining it.
+ * config/i860/fx2800.h (ASM_OUTPUT_SOURCE_LINE): Undef before defining
+ it.
+ * config/m88k/dgux.h: Delete include.
+ (SDB_DEBUGGING_INFO, PREFERRED_DEBUGGING_TYPE): Undef before
+ defining it.
+ * config/pj/pj.h (ASM_GENERATE_INTERNAL_LABEL,
+ ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Undef before defining it.
+ * config/sh/elf.h: Update include.
+ (SDB_DEBUGGING_INFO, DWARF2_DEBUGGING_INFO, PREFERRED_DEBUGGING_TYPE,
+ DWARF2_ASM_LINE_DEBUG_INFO): Move behind includes.
+
+2001-10-19 Catherine Moore <clm@redhat.com>
+
+ * config/stormy16/stormy-abi: Updates to varargs descriptions.
+ * config/stormy16/stormy16.c (stormy16_build_va_list): Reverse
+ base and count fields.
+ (stormy16_expand_builtin_va_start): last_reg_count changed to
+ size_of_reg_args. Use count + size in first comparison.
+
+Fri Oct 19 15:24:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * langhooks.h (LANG_HOOKS_HONOR_READONLY): New macro.
+ * toplev.h (struct lang_hooks): New field HONOR_READONLY.
+ * emit-rtl.c (set_mem_attributes): Set RTX_UNCHANGING_P from
+ TREE_READONLY and TYPE_READONLY if lang_hooks.honor_readonly.
+ Set alignment from type if INDIRECT_REF.
+ (adjust_address_1, offset_address): Simplify alignment compuitation.
+ * expr.c (expand_expr, case INDIRECT_REF): Don't set RTX_UNCHANGING_P
+ here; done by set_mem_attributes.
+
+2001-10-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * Makefile.in (rtlanal.o): Depend on $(TM_P_H).
+ * arm-protos.h (rdata_section, zero_init_section, common_section):
+ Prototype.
+ * arm.h (ASM_OUTPUT_DEF_FROM_DECLS): Const-ify.
+ * avr.h (ASM_OUTPUT_SKIP): Rename macro parameter to avoid
+ traditional mode stringification.
+ * function.c (thread_prologue_and_epilogue_insns): Wrap variable
+ in macros controling its use.
+ * rtlanal.c: Include tm_p.h.
+ * varasm.c (asm_output_aligned_bss): Mark parameter with
+ ATTRIBUTE_UNUSED.
+ (assemble_constant_align, assemble_start_function, assemble_align,
+ assemble_variable, assemble_trampoline_template,
+ output_constant_def_contents): Wrap potentially empty if-stmt body
+ in brackets.
+
+2001-10-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * a29k-protos.h (literal_section): Prototype.
+ * a29k.h (ASM_FILE_START): Don't discard pointer qualifier.
+ * a29k.md: Ensure function pointers are prototyped.
+ * genattrtab.c (write_eligible_delay): Mark parameter with
+ ATTRIBUTE_UNUSED.
+
+2001-10-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
+ * 1750a.c (print_operand): Fix format specifier warning.
+ * 1750a.h (ASM_FILE_START): Don't discard pointer qualifier.
+ * 1750a.md: Likewise.
+ * gcc.c (init_gcc_specs): Wrap with ENABLE_SHARED_LIBGCC.
+ * genemit.c (output_add_clobbers): Mark parameter with
+ ATTRIBUTE_UNUSED.
+ * genrecog.c (write_subroutine): Likewise.
+ * integrate.c (expand_inline_function): Delete unused variable.
+ * varasm.c (remove_from_pending_weak_list): Wrap with
+ ASM_WEAKEN_LABEL.
+
+2001-10-19 Jakub Jelinek <jakub@redhat.com>
+
+ * simplify-rtx.c (simplify_plus_minus): Negate constant iff its neg
+ field is different to previous argument's neg field.
+
+ * config/alpha/alpha.c (summarize_insn): Don't abort on ASM_INPUT.
+
+Fri Oct 19 15:24:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * final.c (get_decl_from_op): New function.
+ (output_asm_insn): Call it; write "*" when item with decl is address.
+
+2001-10-19 Janis Johnson <janis187@us.ibm.com>
+
+ * doc/install.texi (Specific, sparc-sun-solaris2*) Copy documentation
+ about 64-bit support from the 3.0_branch version.
+
+2001-10-19 Zack Weinberg <zack@codesourcery.com>
+
+ * aclocal.m4 (AM_WITH_NLS): AC_DEFINE HAVE_LIBINTL_H and
+ USE_INCLUDED_LIBINTL when appropriate.
+ * configure, config.in: Regenerate.
+ * Makefile.in (datadir): Set to @datadir@.
+ (intl.o): Also depend on $(CONFIG_H) and system.h.
+
+ * intl.c: Factor out common gettext initialization sequence.
+ (gcc_init_libintl): New function.
+ * intl.h: Include intl/libgnuintl.h if USE_INCLUDED_LIBINTL;
+ otherwise include libintl.h if HAVE_LIBINTL_H; otherwise turn
+ off NLS. Add multiple include guard. No need to #ifdef-guard
+ an #undef. Prototype gcc_init_libintl here.
+
+ * collect2.c (main), cppmain.c (general_init), gcc.c (main),
+ gcov.c (main), protoize.c (main), toplev.c (toplev_main):
+ Use gcc_init_libintl.
+
+2001-10-19 Catherine Moore <clm@redhat.com>
+
+ * config/stormy16/stormy16.h (ASM_COMMENT_START): Define.
+
+ * config/stormy16/stormy16.c (stormy16_split_move): Make
+ sure that REG_INC notes are present for auto_inc operands.
+
+2001-10-19 Andreas Jaeger <aj@suse.de>
+
+ * configure: Regenerated.
+ * configure.in: Add x86_64 to switch statements.
+
+2001-10-18 Richard Henderson <rth@redhat.com>
+
+ * config/alpha/alpha.md (sibcall_osf_1): Load destination
+ address into $27 explicitly.
+ (sibcall_value_osf_1): Likewise.
+
+Thu Oct 18 16:07:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * emit-rtl.c (gen_reg_rtx): Also reallocate reg_decl array.
+ (offset_address): New function.
+ (free_emit_status): Free regno_decl.
+ (init_emit): Pass proper number of elements to xcalloc.
+ Allocate regno_decl.
+ (mark_emit_status): Mark regno_decl values.
+ * expr.c (highest_pow2_factor): New function.
+ (expand_assigment): Use it and offset_address.
+ Properly handle ptr_mode vs. Pmode in offset calculation.
+ (store_constructor, expand_expr_unaligned): Likewise.
+ (expand_expr, case COMPONENT_EXPR): Likewise.
+ * expr.h (offset_address): New decl.
+ * function.h (struct emit_status): Add regno_decl.
+ (REGNO_DECL): New macro.
+ * final.c (output_asm_name): Move in file and don't conditionalize
+ on flag_print_asm_name.
+ (output_asm_insn): Only call output_asm_name if flag_print_asm_name.
+ Output names of operands, if known.
+ * function.c (assign_parms): Set REGNO_DECL.
+ * integrate.c (integrate_decl_tree): Likewise.
+ * stmt.c (expand_decl): Likewise.
+ * regclass.c (reg_scan_mark_refs): Propagate REGNO_DECL for copies.
+
+2001-10-18 Alexandre Oliva <aoliva@redhat.com>
+
+ * attribs.c (handle_noinline_attribute): New function.
+ (handle_used_attribute): Likewise.
+ (c_common_attribute_table): Added noinline and used.
+ * doc/extend.texi (Function Attributes): Document them.
+ * c-decl.c (duplicate_decls): Propagate DECL_UNINLINABLE.
+ Warn when merging inline with attribute noinline.
+ (start_decl, start_function): Warn if inline and attribute
+ noinline appear in the same declaration.
+
+2001-10-17 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * config.gcc: Update c4x and i370 for C front end-specific
+ dependencies.
+ * config/c4x/c4x-c.c: New.
+ * config/c4x/c4x-protos.h (c4x_handle_pragma): Remove.
+ (code_tree, data_tree, pure_tree, noreturn_tree, interrupt_tree):
+ New declarations.
+ * config/c4x/c4x.c: Don't include c-lex.h or c-pragma.h.
+ (code_tree, data_tree, pure_tree, noreturn_tree, interrupt_tree):
+ Make extern.
+ (c4x_init_pragma): Remove.
+ (c4x_parse_pragma, c4x_pr_CODE_SECTION, c4x_pr_DATA_SECTION,
+ c4x_pr_FUNC_IS_PURE, c4x_pr_FUNC_NEVER_RETURNS, c4x_pr_INTERRUPT,
+ c4x_pr_ignored): Move to c4x-c.c.
+ * config/c4x/c4x.h (REGISTER_TARGET_PRAGMAS): Update.
+ * config/c4x/t-c4x: Update.
+ * config/i370/i370-c.c: New.
+ * config/i370/i370.c: Don't include c-lex.h or c-pragma.h.
+ (i370_pr_map): Move to i370-c.c.
+ * config/i370/t-i370: New.
+
+ * doc/tm.texi: Update.
+
+2001-10-17 Stan Shebs <shebs@apple.com>
+
+ * config/rs6000/rs6000.c: Make assorted mechanical formatting and
+ typo fixes throughout.
+ (machopic_output_stub): Remove some dead code.
+
+2001-10-17 Richard Earnshaw <rearnsha@arm.com>
+
+ * cpplex.c (_cpp_get_buff): Fix off-by-one error that caused memory
+ leak.
+
+Wed Oct 17 05:26:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * Makefile.in (print-rtl.o): Depend on TREE_H.
+ * alias.c (get_alias_set): Make two passes over objects to first
+ see if inner object is access via restricted pointer.
+ Defer allocating alias set for restricted pointer until here.
+ Call find_placeholder with second arg nonzero.
+ Minor cleanups.
+ * c-common.c (c_apply_type_quals_to_decl): Defer getting alias
+ set for restricted pointer types.
+ * emit-rtl.c (set_mem_attributes): Set more attributes.
+ (set_mem_align, change_address, adjust_address_1): New functions.
+ (change_address_1): Now static.
+ (adjust_address, adjust_address_nv): Deleted.
+ (replace_equiv_address): Call change_address_1.
+ * expr.c (get_inner_reference): Handle PLACEHOLDER_EXPR.
+ (find_placeholder): Get starting point from PLIST arg.
+ (expand_expr, case PLACEHOLDER_EXPR): Initialize find_placeholder arg.
+ * expr.h (set_mem_align, change_address, adjust_address_1): New decls.
+ (adjust_address, adjust_address_nv): New macros.
+ * print-rtl.c (tree.h): New include.
+ (print_rtx, case MEM): Print all memory attributes.
+
+2001-10-17 Richard Henderson <rth@redhat.com>
+
+ * config/alpha/alpha.c (direct_call_operand): Don't fall off end.
+
+2001-10-16 Matt Kraai <kraai@alumni.carnegiemellon.edu>
+
+ * c-tree.texi: Eliminate duplicated word.
+ * cpp.texi: Likewise.
+ * install.texi: Likewise.
+ * invoke.texi: Likewise.
+ * tm.texi: Likewise.
+
+2001-10-17 Michael Collison <collison@isisinc.net>
+
+ * dsp16xx.c: Fix comment formatting to match GNU standards.
+ (dsp16xx_output_function_prologue): Change type of 'size'
+ parameter from 'int' to HOST_WIDE_INT.
+ (dsp16xx_output_function_epilogue): Change type of 'size'
+ parameter from 'int' to HOST_WIDE_INT.
+
+2001-10-16 Richard Henderson <rth@redhat.com>
+
+ * configure.in (HAVE_AS_GOTOFF_IN_DATA): New x86 check.
+ * configure, config.in: Rebuild.
+
+ * config/i386/i386.c (ix86_output_addr_vec_elt): New.
+ (ix86_output_addr_diff_elt): New.
+ * config/i386/i386.h (ASM_OUTPUT_ADDR_VEC_ELT): Use them.
+ (ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
+ (JUMP_TABLES_IN_TEXT_SECTION): New.
+ * config/i386/i386.md (tablejump): Handle HAVE_AS_GOTOFF_IN_DATA.
+ * config/i386/i386-protos.h: Update.
+
+ * config/i386/386bsd.h, config/i386/beos-elf.h,
+ config/i386/freebsd-aout.h, config/i386/freebsd.h,
+ config/i386/i386-interix.h, config/i386/i386elf.h,
+ config/i386/linux.h, config/i386/netbsd-elf.h,
+ config/i386/netbsd.h, config/i386/openbsd.h,
+ config/i386/ptx4-i.h, config/i386/rtemself.h,
+ config/i386/sco5.h, config/i386/sysv4.h, config/i386/x86-64.h
+ (ASM_OUTPUT_ADDR_DIFF_ELT, JUMP_TABLES_IN_TEXT_SECTION): Remove.
+
+2001-10-16 Florian Weimer <fw@deneb.enyo.de>
+
+ * stmt.c (expand_asm_operands): Update commentary.
+
+2001-10-16 Stan Shebs <shebs@apple.com>
+
+ * config/darwin.h (GCC_NAME): Remove, no longer used.
+ (NO_MATH_LIBRARY): Ditto.
+ (MATH_LIBRARY): Define to emptiness.
+ (DWARF2_DEBUGGING_INFO): Define.
+ (PREFERRED_DEBUGGING_TYPE): Define.
+ (EXTRA_SECTION_FUNCTIONS): Add darwin_exception_section.
+ (EXCEPTION_SECTION): Define.
+ (ASM_PREFERRED_EH_DATA_FORMAT): Define.
+ * config/darwin.c (darwin_encode_section_info): Handle case of
+ DECL_INITIAL being error_mark_node.
+
+2001-10-16 Richard Henderson <rth@redhat.com>
+
+ * alpha.c (current_file_function_operand): Don't fail for profiling.
+ (direct_call_operand): New.
+ * alpha-protos.h: Declare it.
+ * alpha.h (EXTRA_CONSTRAINT): Use it.
+ (PREDICATE_CODES): Add it.
+ (ASM_OUTPUT_MI_THUNK): Remove.
+ * alpha32.h (ASM_OUTPUT_MI_THUNK): Remove.
+ * alpha.md (sibcall_osf_1, sibcall_value_osf_1): Add 's' alternative.
+
+2001-10-16 Krister Walfridsson <cato@df.lth.se>
+
+ * config/i386/netbsd-elf.h (ASM_OUTPUT_ADDR_DIFF_ELT): Define.
+ (JUMP_TABLES_IN_TEXT_SECTION): Define.
+
+Wed Oct 17 00:21:31 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * cfg.c (free_edge): Break out from ....
+ (remove_edge): ... here.
+ (clear_edges): Use free_edge.
+
+ * att.h (ASM_QUAD): Add comment.
+ * bsd.h, sco5.h, sun386.h (ASM_QUAD): Define.
+
+Wed Oct 17 00:01:02 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * i386.c (split_ti): New function.
+ (ix86_split_to_parts): Support TImodes.
+ * i386.h (VALID_INT_MODE_P): Add TImode.
+ * i386.md (movdi splitter): Fix.
+ (movti): Support 64bit integer registers.
+ (movti_rex64): New function and splitter.
+
+ * i386.c (*_cost): Add movsx/movzx cost.
+ * i386.h (struct processor_costs): Add movsx/movzx fields.
+ (RTX_COSTS): Handle zero/sign extend + avoid believing that
+ 64bit operations require split on 64bit machine.
+ (CONST_COST): Make large 64bit constants expensive on 64bit compilation.
+
+ * i386.c (ix86_setup_incoming_varargs): Fix mode of PLUS.
+ (ix86_expand_move): Avoid pushes of memory if size does not match;
+ move long constants to register.
+ (x86_initialize_trampoline): Fix mode.
+ * i386.h (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT):
+ Use ASM_QUAD on 64bit.
+ * i386.md (test pattern): Disallow impossible constants.
+ (tablejump PIC expander): Fix emitting of sum.
+ (movdicc_rex64): Rename to movdicc.
+ * linux64.h (LINK_SPEC): Add missing '%'.
+
+2001-10-16 Alexandre Oliva <aoliva@redhat.com>
+
+ * tree-inline.c (inlinable_function_p): Leave it up to the
+ front-end to turn -finline-functions into DECL_INLINE set for all
+ functions.
+
+2001-10-16 Stan Shebs <shebs@apple.com>
+
+ * config/rs6000/darwin.h (ASM_COMMENT_START): Define.
+
+2001-10-16 Alan Modra <amodra@bigpond.net.au>
+
+ * recog.c: Formatting and comment typo fixes.
+
+ * configure.in (gcc_cv_as_bfd_srcdir): New. Use it to find gas
+ version in single tree build.
+ * configure: Regenerate.
+
+2001-10-15 David Edelsohn <edelsohn@gnu.org>
+
+ * config/rs6000/rs6000.md (cr_logical): Swap order of CODE and
+ MODE arguments to gen_rtx and compare operand with const0_rtx.
+
+2001-10-15 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * system.h: Poison old unused target macros.
+ * config/dsp16xx.h (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): Remove.
+ * config/stormy16/stormy16.c: Update references to obsolete macros.
+ * config/stormy16/stormy16.h: Similarly.
+ * config/stormy16/stormy16.md: Similarly.
+ * config/cris/cris.h: Similarly.
+
+2001-10-15 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cpplib.c (struct pragma_entry): Store the name as a hashnode.
+ (lookup_pragma_entry, insert_pragma_entry, do_pragma,
+ cpp_register_pragma): Update accordingly.
+
+2001-10-14 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * c-pragma.h (cpp_register_pragma_space): Remove.
+ * cpplib.h (cpp_register_pragma_space): Remove.
+ * cpplib.c (lookup_pragma_entry, insert_pragma_entry): New.
+ (cpp_register_pragma_space): Remove.
+ (cpp_register_pragma): Simplify using lookup_pragma_entry,
+ add sanity checks.
+ (do_pragma): Similarly.
+ (_cpp_init_internal_pragmas): Don't register namespaces.
+
+ * config/v850/v850.h (REGISTER_TARGET_PRAGMAS):
+ Don't register namespaces.
+ * cp/lex.c (init_cp_pragma): Similarly.
+ * doc/tm.texi: Update.
+
+2001-10-10 Craig Rodrigues <rodrigc@gcc.gnu.org>
+
+ PR c/4157
+ * config/i386/cygwin.h: Add missing space to MINGW_INCLUDES
+
+2001-10-13 Michael Collison <collison@dhcp-12-114.townisp.com>
+
+ * config/dsp16xx/dsp16xx.md: Rewrite for more efficient code and
+ add scheduling support.
+ * config/dsp16xx/dsp16xx.h: Rewrite for more efficient code.
+ * config/dsp16xx/dsp16xx.c: Rewrite for more efficient code.
+ * config/dsp16xx/dsp16xx-protos.h: Add new function prototypes.
+
+
+2001-10-13 Hans-Peter Nilsson <hp@axis.com>
+
+ * config/cris/cris.c (cris_legitimate_pic_operand): Kludge around
+ missing CONSTANT_P test in core GCC.
+
+2001-10-12 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cppmain.c (struct printer): New member source.
+ (scan_translation_unit): Fix spacing at start of lines.
+ (cb_line_change): Update.
+
+ * gcc.dg/cpp/spacing2.c: New test.
+
+2001-10-12 Hans-Peter Nilsson <hp@axis.com>
+
+ * config/cris/arit.c: Use __builtin_labs, not abs.
+
+ * config/cris/cris.h (SET_STRIPPABLE_EXECUTABLE): Don't define.
+
+ * config/cris/cris.c (cris_target_asm_function_epilogue): Move
+ misplaced sprintf and fprintf argument.
+
+2001-10-12 Zack Weinberg <zack@codesourcery.com>
+
+ * ABOUT-NLS, aclocal.m4: Update i18n framework from gettext 0.10.40.
+ * configure.in, Makefile.in: Take out obsolete check-po logic.
+ * configure, config.in: Regenerate.
+
+2001-10-12 Ziemowit Laski <zlaski@apple.com>
+
+ * objc/objc-act.c (finish_objc): Correct precondition for emitting
+ symtab declarations.
+
+2001-10-12 Stan Shebs <shebs@apple.com>
+
+ * config/rs6000/rs6000.c: Remove uses of "register" specifier in
+ declarations of arguments and local variables.
+
+2001-10-12 Christopher Faylor <cgf@redhat.com>
+
+ * config/i386/cygwin.h: Revert erroneous checkin of crtbegin and
+ ENDFILE_SPEC definition.
+
+2001-10-12 Kazu Hirata <kazu@hxi.com>
+
+ * gthr-dce.h: Fix comment formatting.
+ * gthr-posix.h: Likewise.
+ * gthr-single.h: Likewise.
+ * gthr-solaris.h: Likewise.
+ * gthr-vxworks.h: Likewise.
+ * gthr-win32.h: Likewise.
+
+2001-10-12 Jakub Jelinek <jakub@redhat.com>
+
+ * final.c (output_asm_insn): Make sure assembly dialects are
+ terminated, not nested. Output `|' and `}' characters if they
+ don't appear inside assembly dialect selection.
+ * config/i386/i386.md (rep_movdi_rex64, rep_movsi, rep_movsi_rex64,
+ rep_movqi, rep_movqi_rex64, rep_stosdi_rex64, rep_stossi,
+ rep_stossi_rex64, rep_stosqi, rep_stosqi_rex64, strsetsi_1,
+ strsetsi_rex_1): Add {} braces.
+
+2001-10-11 Zack Weinberg <zack@codesourcery.com>
+
+ * toplev.c (compile_file): Ignore return value from yyparse.
+ Always pop any nested binding levels after yyparse returns.
+
+2001-10-11 Richard Henderson <rth@redhat.com>
+
+ * doc/c-tree.texi (Expression trees): Add VTABLE_REF.
+
+2001-10-11 Richard Henderson <rth@redhat.com>
+
+ * dwarf2out.c (add_const_value_attribute): If long < HOST_WIDE_INT,
+ fall back to add_AT_long_long for large CONST_INT.
+
+2001-10-11 Richard Henderson <rth@redhat.com>
+
+ * config/i386/i386.md (setcc splitters): Add four splitters to
+ simplify compound compares that simplify_comparison can't handle.
+
+2001-10-11 Zack Weinberg <zack@codesourcery.com>
+
+ * cpplex.c (digraph_spellings, token_spellings): Make static.
+
+2001-10-11 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
+
+ * unroll.c (loop_iterations): Fixup last patch.
+
+2001-10-11 Richard Henderson <rth@redhat.com>
+
+ * rtl.h (REG_VTABLE_REF): New.
+ * rtl.c (reg_note_name): Add it.
+ * combine.c (distribute_notes): Handle it.
+ * final.c (final_scan_insn): Handle it.
+ * tree.def (VTABLE_REF): New.
+ * expr.c (expand_expr): Handle it.
+ * varasm.c (assemble_vtable_entry, assemble_vtable_inherit): New.
+ * output.h: Declare them.
+
+2001-10-11 Richard Henderson <rth@redhat.com>
+
+ * dwarf2out.c (rtl_for_decl_location): If no DECL_RTL, look
+ for a DECL_INITIAL.
+
+2001-10-11 David Edelsohn <edelsohn@gnu.org>
+
+ * config/rs6000/xcoff.h (UNALIGNED_DOUBLE_INT_ASM_OP): Only
+ available in 64-bit mode.
+
+2001-10-11 Hans-Peter Nilsson <hp@axis.com>
+
+ * config.gcc: Add cris-*-aout, cris-*-elf, cris-*-none,
+ cris-*-linux* cases.
+ * config/cris/cris-protos.h: New file.
+ * config/cris/cris.c: New file.
+ * config/cris/cris.h: New file.
+ * config/cris/cris.md: New file.
+ * config/cris/linux.h: New file.
+ * config/cris/aout.h: New file.
+ * config/cris/arit.c: New file.
+ * config/cris/cris_abi_symbol.c: New file.
+ * config/cris/mulsi3.asm: New file.
+ * config/cris/t-aout: New file.
+ * config/cris/t-cris: New file.
+ * config/cris/t-elfmulti: New file.
+ * config/cris/t-linux: New file.
+ * doc/invoke.texi: Add CRIS options.
+ * doc/install.texi (Specific): Add blurb for CRIS.
+
+2001-10-10 Hartmut Schirmer <SchirmerH@Innovative-Systems.de>
+
+ * config/float-i128.h: Make sure __STDC__VERSION__ is defined
+ before using it.
+ * config/float/i32.h: Likewise.
+ * config/float-i386.h: Likewise.
+ * config/float-i64.h: Likewise.
+ * config/float-m68k.h: Likewise.
+ * config/float-sh.h: Likewise.
+ * config/float-sparc.h: Likewise.
+
+2001-10-11 Hans-Peter Nilsson <hp@axis.com>
+
+ * doc/contrib.texi: Add note about CRIS port to my entry.
+
+2001-10-11 Kazu Hirata <kazu@hxi.com>
+
+ * basic-block.h: Fix formatting.
+ * bitmap.h: Likewise.
+ * cpplib.h: Likewise.
+ * c-tree.h: Likewise.
+ * diagnostic.h: Likewise.
+ * flags.h: Likewise.
+ * ggc.h: Likewise.
+ * longlong.h: Likewise.
+ * real.h: Likewise.
+ * reload.h: Likewise.
+ * rtl.h: Likewise.
+ * tree.h: Likewise.
+
+2001-10-10 Richard Henderson <rth@redhat.com>
+
+ * c-parse.in (asm_operand): Allow named operands.
+ * genconfig.c (max_recog_operands): Set to 29.
+ * local-alloc.c (requires_inout): Skip multiple digits.
+ * recog.c (asm_operand_ok): Likewise.
+ (preprocess_constraints): Use strtoul for matching constraints.
+ (constrain_operands): Likewise.
+ * regmove.c (find_matches): Likewise.
+ * reload.c (find_reloads): Likewise.
+ * stmt.c (parse_output_constraint): Don't reject in-out
+ constraint on operands > 9. Reject '[' in constraint.
+ (expand_asm_operands): Handle named operands. Use strtoul
+ for matching constraints.
+ (check_operand_nalternatives): Split out from expand_asm_operands.
+ (check_unique_operand_names): New.
+ (resolve_operand_names, resolve_operand_name_1): New.
+
+ * doc/extend.texi (Extended Asm): Document named operands.
+ * doc/md.texi (Simple Constraints): Document matching constraints
+ on operands > 9.
+
+2001-10-10 Richard Henderson <rth@redhat.com>
+
+ * combine.c (try_combine): Handle a SEQUENCE of one insn.
+
+ * i386.c (test splitter): Narrow tests vs paradoxical subregs.
+ (jcc splitters): Add two splitters to simplify compound compares
+ that simplify_comparison can't handle.
+
+2001-10-10 Richard Henderson <rth@redhat.com>
+
+ * langhooks.c: Include langhooks.h.
+ * Makefile.in (langhooks.o): Depend on it.
+
+Wed Oct 10 23:49:06 EDT 2001 John Wehle (john@feith.com)
+
+ * rtlanal.c (noop_move_p): Insns with a REG_RETVAL note
+ should not be considered as a no-op.
+ * flow.c (delete_noop_moves): Handle REG_LIBCALL notes.
+
+2001-10-10 Stan Shebs <shebs@apple.com>
+
+ * alias.c: Remove uses of "register" specifier in declarations
+ of arguments and local variables.
+ * c-common.c: Ditto.
+ * c-convert.c: Ditto.
+ * c-decl.c: Ditto.
+ * c-format.c: Ditto.
+ * c-semantics.c: Ditto.
+ * c-typeck.c: Ditto.
+ * caller-save.c: Ditto.
+ * calls.c: Ditto.
+ * cfg.c: Ditto.
+ * cfgbuild.c: Ditto.
+ * cfgrtl.c: Ditto.
+ * collect2.c: Ditto.
+ * combine.c: Ditto.
+ * convert.c: Ditto.
+ * cppexp.c: Ditto.
+ * cppfiles.c: Ditto.
+ * cse.c: Ditto.
+ * dbxout.c: Ditto.
+ * defaults.h: Ditto.
+ * df.c: Ditto.
+ * dwarf2out.c: Ditto.
+ * dwarfout.c: Ditto.
+ * emit-rtl.c: Ditto.
+ * explow.c: Ditto.
+ * expmed.c: Ditto.
+ * expr.c: Ditto.
+ * final.c: Ditto.
+ * fix-header.c: Ditto.
+ * floatlib.c: Ditto.
+ * flow.c: Ditto.
+ * fold-const.c: Ditto.
+ * function.c: Ditto.
+ * gcc.c: Ditto.
+ * gcse.c: Ditto.
+ * gen-protos.c: Ditto.
+ * genattrtab.c: Ditto.
+ * gencheck.c: Ditto.
+ * genconfig.c: Ditto.
+ * genemit.c: Ditto.
+ * genextract.c: Ditto.
+ * genflags.c: Ditto.
+ * gengenrtl.c: Ditto.
+ * genoutput.c: Ditto.
+ * genpeep.c: Ditto.
+ * genrecog.c: Ditto.
+ * gensupport.c: Ditto.
+ * global.c: Ditto.
+ * gmon.c: Ditto.
+ * graph.c: Ditto.
+ * haifa-sched.c: Ditto.
+ * hard-reg-set.h: Ditto.
+ * hash.c: Ditto.
+ * integrate.c: Ditto.
+ * jump.c: Ditto.
+ * lists.c: Ditto.
+ * local-alloc.c: Ditto.
+ * loop.c: Ditto.
+ * mips-tdump.c: Ditto.
+ * mips-tfile.c: Ditto.
+ * optabs.c: Ditto.
+ * prefix.c: Ditto.
+ * print-rtl.c: Ditto.
+ * read-rtl.c: Ditto.
+ * real.c: Ditto.
+ * recog.c: Ditto.
+ * reg-stack.c: Ditto.
+ * regclass.c: Ditto.
+ * regmove.c: Ditto.
+ * reload.c: Ditto.
+ * reload1.c: Ditto.
+ * reorg.c: Ditto.
+ * resource.c: Ditto.
+ * rtl.c: Ditto.
+ * rtlanal.c: Ditto.
+ * scan.c: Ditto.
+ * sched-deps.c: Ditto.
+ * sched-rgn.c: Ditto.
+ * sdbout.c: Ditto.
+ * simplify-rtx.c: Ditto.
+ * stmt.c: Ditto.
+ * stor-layout.c: Ditto.
+ * toplev.c: Ditto.
+ * tradcif.y: Ditto.
+ * tradcpp.c: Ditto.
+ * tree.c: Ditto.
+ * unroll.c: Ditto.
+ * varasm.c: Ditto.
+ * xcoffout.c: Ditto.
+
+2001-10-10 Richard Henderson <rth@redhat.com>
+
+ * rtl.h (can_reverse_comparison_p): Remove.
+
+2001-10-10 Christopher Faylor <cgf@redhat.com>
+
+ * config/i386/cygwin.h: Avoid adding include files if -nostdinc is
+ used.
+
+2001-10-10 Danny Smith <danny_r_smith_2001@yahoo.co.nz>
+
+ * config/i386/mingw32.h (WIN32_NO_ABSOLUTE_INST_DIRS): New define.
+ (Thanks to Chris Faylor for suggesting macro name).
+ (CPP_PREDEFINES): Define __MINGW32__ but don't set value; add more
+ WIN32 defines.
+ (STANDARD_INCLUDE_DIR): Remove i386- from directory name.
+ (STANDARD_INCLUDE_COMPONENT): Change to MINGW.
+ (MATH_LIBRARY): Undef before definition.
+ (OUTPUT_QUOTED_STRING): Likewise.
+ * config/i386/cygwin.h: Use WIN32_NO_ABSOLUTE_INST_DIRS.
+
+2001-10-10 Richard Henderson <rth@redhat.com>
+
+ * unwind-dw2-fde.c (fde_compare_t): Change return type to int.
+ (fde_unencoded_compare): Likewise. Don't use subtraction to get
+ a tristate comparison value.
+ (fde_single_encoding_compare, fde_mixed_encoding_compare): Likewise.
+
+2001-10-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
+
+ PR c++/4512
+ * unroll.c (loop_iterations): Ignore insns generated by loop
+ unrolling.
+
+ * config.gcc (mips*-*-gnu*): Delete support.
+ * config/mips/gnu.h: Remove.
+
+2001-10-10 Kazu Hirata <kazu@hxi.com>
+
+ * calls.c: Fix formatting.
+ * c-decl.c: Likewise.
+ * cfgcleanup.c: Likewise.
+ * combine.c: Likewise.
+ * cppfiles.c: Likewise.
+ * cpplib.c: Likewise.
+ * cppmacro.c: Likewise.
+ * crtstuff.c: Likewise.
+ * cse.c: Likewise.
+ * dwarf2out.c: Likewise.
+ * expmed.c: Likewise.
+ * expr.c: Likewise.
+ * fold-const.c: Likewise.
+ * function.c: Likewise.
+ * gcse.c: Likewise.
+ * genattrtab.c: Likewise.
+ * ggc-page.c: Likewise.
+ * integrate.c: Likewise.
+ * libgcc2.c: Likewise.
+ * loop.c: Likewise.
+ * optabs.c: Likewise.
+ * profile.c: Likewise.
+ * protoize.c: Likewise.
+ * real.c: Likewise.
+ * recog.c: Likewise.
+ * reload1.c: Likewise.
+ * reload.c: Likewise.
+ * reorg.c: Likewise.
+ * resource.c: Likewise.
+ * sched-rgn.c: Likewise.
+ * sdbout.c: Likewise.
+ * stmt.c: Likewise.
+ * toplev.c: Likewise.
+ * varasm.c: Likewise.
+
+2001-10-10 Janis Johnson <janis187@us.ibm.com>, Alexandre Oliva <aoliva@redhat.com>
+
+ * langhooks.c: Include rtl.h, insn-config.h and integrate.h.
+ * Makefile.in (langhooks.o): Add dependencies.
+
+Wed Oct 10 00:41:29 EDT 2001 John Wehle (john@feith.com)
+
+ * rs6000.c (rs6000_emit_load_toc_table): Don't
+ strdup the toc label.
+ (create_TOC_reference): Likewise.
+
+2001-10-09 Danny Smith <danny_r_smith_2001@yahoo.co.nz>
+
+ * config.gcc (i[34567]86-*-mingw32*): Make msvcrt-dependent
+ version default.
+
+2001-10-09 Danny Smith <danny_r_smith_2001@yahoo.co.nz>
+
+ * config/i386/i386.c (ix86_attribute_table): Correct
+ min_len, max_len fields for dllimport, dllexport and shared.
+
+2001-10-10 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * doc/c-tree.texi, doc/cppinternals.texi, doc/extend.texi,
+ doc/install.texi, doc/md.texi, doc/rtl.texi, doc/tm.texi:
+ Consistently use "nonzero" instead of "non-zero".
+
+2001-10-09 Kazu Hirata <kazu@hxi.com>
+
+ * acconfig.h: Fix comment formatting.
+ * c-dump.h: Likewise.
+ * c-tree.h: Likewise.
+ * conditions.h: Likewise.
+ * expr.h: Likewise.
+ * function.h: Likewise.
+ * gthr.h: Likewise.
+ * hwint.h: Likewise.
+ * integrate.h: Likewise.
+ * intl.h: Likewise.
+ * loop.h: Likewise.
+ * optabs.h: Likewise.
+
+2001-10-09 Kazu Hirata <kazu@hxi.com>
+
+ * c-common.h: Fix comment formatting.
+ * c-dump.c: Likewise.
+ * cfg.c: Likewise.
+ * diagnostic.h: Likewise.
+ * except.c: Likewise.
+ * gcc.h: Likewise.
+ * gcov-io.h: Likewise.
+ * genattrtab.c: Likewise.
+ * output.h: Likewise.
+ * predict.h: Likewise.
+ * reload1.c: Likewise.
+ * reload.h: Likewise.
+ * resource.h: Likewise.
+ * scan.h: Likewise.
+ * system.h: Likewise.
+ * tree.h: Likewise.
+ * tree-inline.c: Likewise.
+ * tsystem.h: Likewise.
+ * varasm.c: Likewise.
+ * xcoffout.h: Likewise.
+
+2001-10-09 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * doc/gcc.texi: Document preference for "nonzero" over "non-zero".
+
+2001-10-09 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * config/alpha/freebsd.h, config/alpha/lib1funcs.asm,
+ config/i386/i386elf.h, config/i386/netbsd-elf.h,
+ config/i386/netware.h, config/mcore/gfloat.h,
+ config/mcore/mcore.c, config/mcore/mcore.h, config/mcore/mcore.md,
+ config/netware.h, gccbug.in: Update FSF address.
+
+2001-10-09 Kazu Hirata <kazu@hxi.com>
+
+ * c-common.c: Fix comment typos.
+ * cfgrtl.c: Likewise.
+ * collect2.c: Likewise.
+ * cpplex.c: Likewise.
+ * doloop.c: Likewise.
+ * dwarf2out.c: Likewise.
+ * dwarfout.c: Likewise.
+ * expr.c: Likewise.
+ * fold-const.c: Likewise.
+ * gcc.c: Likewise.
+ * gcov.c: Likewise.
+ * gcse.c: Likewise.
+ * global.c: Likewise.
+ * ifcvt.c: Likewise.
+ * loop.c: Likewise.
+ * optabs.c: Likewise.
+ * protoize.c: Likewise.
+ * regclass.c: Likewise.
+ * reorg.c: Likewise.
+ * rtl.h: Likewise.
+ * stmt.c: Likewise.
+ * tree.h: Likewise.
+ * doc/cpp.texi: Likewise.
+ * doc/c-tree.texi: Likewise.
+ * doc/extend.texi: Likewise.
+ * doc/invoke.texi: Likewise.
+ * doc/objc.texi: Likewise.
+ * doc/tm.texi: Likewise.
+
+2001-10-08 Richard Henderson <rth@redhat.com>
+
+ * varasm.c (set_named_section_flags): Initialize "declared".
+
+2001-10-08 Robert Lipe <robertlipe@usa.net>
+
+ * varasm.c (struct in_named_entry): Add declared.
+ (named_section_first_declaration): New function.
+ (default_elf_asm_named_section): Use it.
+ * output.h (named_section_first_declaration): New.
+
+2001-10-08 Richard Henderson <rth@redhat.com>
+
+ * i386.md (movsi_xor): Export.
+ (setcc peep2): Use it when available; add an alternative to
+ match zero_extendhisi2_and.
+
+2001-10-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * romp-protos.h (romp_initialize_trampoline): New function.
+ * romp.c (romp_initialize_trampoline): Likewise.
+ * romp.h (INITIALIZE_TRAMPOLINE): Define in terms of
+ romp_initialize_trampoline.
+
+2001-10-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * m68k/3b1.h (ASM_OUTPUT_SOURCE_LINE): Don't reference `last_linenum'.
+ * m68k/auxas.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
+ * m68k/crds.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
+ * m68k/mot3300.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
+
+2001-10-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
+
+ * unroll.c (loop_iterations): Extend check for multiple back edges.
+
+2001-10-08 Alexandre Oliva <aoliva@redhat.com>
+
+ * langhooks.h: New file.
+ * Makefile.in (OBJS): Added langhooks.o.
+ (c-lang.o): Depend on langhooks.h.
+ (c-common.o): Don't depend on tree-inline.h.
+ (tree-inline.o): Depend on toplev.h.
+ (langhooks.o): New rule.
+ * c-common.c: Don't include tree-inline.h.
+ (c_mark_lang_decl): Mark argument c as unused.
+ (c_common_lang_init): Don't initialize hooks here.
+ * c-lang.c: Include langhooks.h, then override some macros.
+ (lang_hooks): Initialize with macros in langhooks.h.
+ (c_init): Don't initialize hooks here.
+ * toplev.c (struct lang_hooks_for_tree_inlining): New struct.
+ (struct lang_hooks): Add tree_inlining. Refer to langhooks.h.
+ * tree-inline.c: Include toplev.h. Don't define hook variables.
+ * tree-inline.h: Don't define hook types nor declare hook
+ variables. Move macros to...
+ * langhooks.c: ... new file, as functions. Adjust all callers.
+
+2001-10-08 Jeffrey A Law <law@cygnus.com>
+
+ * sibcall.c (optimize_sibling_and_tail_recursive_calls): Call
+ purge_mem_unchanging_flag on all instructions, not just on those
+ before NOTE_INSN_FUNCTION_BEG.
+
+2001-10-08 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cppmacro.c (_cpp_create_definition): Leave comments off.
+
+ * doc/cpp.texi: Update.
+
+2001-10-08 DJ Delorie <dj@redhat.com>
+
+ * c-decl.c (grokfield): Make sure the only unnamed fields
+ we're allowing are either structs or unions.
+ * doc/extend.texi: Add documentation for the unnamed field
+ extension.
+
+2001-10-08 Zack Weinberg <zack@codesourcery.com>
+
+ * aclocal.m4 (gcc_AC_PROG_GNAT): New.
+ * configure.in: Use it.
+ * configure: Regenerated.
+ * config/pa/t-linux, config/pa/t-pa, config/pa/t-pa64,
+ config/pa/t-pro: Set T_ADAFLAGS, not ADA_CFLAGS.
+
+2001-10-08 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cppfiles.c (open_file): Don't mark zero-length files
+ never-reread here. Don't output diagnostics here either.
+ (stack_include_file): Mark them never-reread here.
+ (_cpp_read_file): Update.
+
+2001-10-08 Richard Henderson <rth@redhat.com>
+
+ * config/i386/sol2.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
+
+2001-10-08 Richard Henderson <rth@redhat.com>
+
+ * expr.c (store_expr): When converting a CONST_INT for storage
+ in a SUBREG, convert it to both SUBREG modes before stripping
+ the SUBREG.
+
+2001-10-08 Richard Henderson <rth@redhat.com>
+
+ * varasm.c (restore_varasm_status): New.
+ * function.h: Declare it.
+ * function.c (pop_function_context_from): Call it.
+
+2001-10-08 Richard Henderson <rth@redhat.com>
+
+ * c-common.h (struct c_lang_decl): Add declared_inline.
+ * c-tree.h (DECL_DECLARED_INLINE_P): New.
+ * c-lang.c (c_disregard_inline_limits): Use it.
+ * c-decl.c (duplicate_decls): Likewise.
+ (pushdecl, redeclaration_error_message): Likewise.
+ (pushdecl): Allocate DECL_LANG_SPECIFIC if needed.
+ (grokdeclarator): Likewise. Set DECL_DECLARED_INLINE_P.
+ Set DECL_INLINE if -finline-functions.
+ (store_parm_decls): Don't allocate DECL_LANG_SPECIFIC here.
+
+2001-10-08 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cppmacro.c (funlike_invocation_p): Move some logic to caller
+ in enter_macro_context. Create a padding token in its own context
+ if necessary when the search for '(' fails.
+ (enter_macro_context): Update.
+
+2001-10-07 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * ChangeLog.2, c-decl.c, config/i386/i386.md, doc/gcc.texi, gcc.c,
+ genmultilib, toplev.c: Fix spelling errors of "separate" as
+ "seperate", and corresponding spelling errors of related words.
+
+2001-10-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * builtins.c (expand_builtin_setjmp_receiver): Const-ify.
+ * c-common.c (fname_var_t, c_tree_code_type, c_tree_code_length):
+ Likewise.
+ * c-dump.c (dump_option_value_info): Likewise.
+ * c-format.c (format_length_info, format_char_info,
+ format_flag_spec, format_flag_pair, format_kind_info): Likewise.
+ * collect2.c (names): Likewise.
+ * cppdefault.h (default_include): Likewise.
+ * cppexp.c (suffix, vsuf_1, vsuf_2, vsuf_3): Likewise.
+ * flow.c (life_analysis): Likewise.
+ * gcc.c (dir_separator_str, modify_target, option_map,
+ target_option_translations, spec_list_1, extra_specs_1,
+ init_spec): Likewise.
+ * gcov.c (gcov_version_string): Likewise.
+ * genattr.c (write_units): Likewise.
+ * genattrtab.c (make_length_attrs, write_function_unit_info): Likewise.
+ * gengenrtl.c (rtx_definition, defs): Likewise.
+ * genrecog.c (pred_table): Likewise.
+ * global.c (global_alloc): Likewise.
+ * lcm.c (optimize_mode_switching): Likewise.
+ * local-alloc.c (find_free_reg): Likewise.
+ * params.h (param_info): Likewise.
+ * predict.c (predictor_info): Likewise.
+ * protoize.c (unexpansion_struct): Likewise.
+ * real.c (bmask): Likewise.
+ * recog.h (insn_operand_data, insn_data): Likewise.
+ * regclass.c (initial_fixed_regs, initial_call_used_regs): Likewise.
+ * stmt.c (expand_nl_goto_receiver): Likewise.
+ * toplev.c (da, debug_args, lang_opt, documented_lang_options,
+ target_switches, target_options): Likewise.
+ * tradcif.y (token, tokentab2, yylex): Likewise.
+ * tree.h (attribute_spec): Likewise.
+
+ * alpha.c (override_options, alpha_lookup_xfloating_lib_func):
+ Likewise.
+ * arc.c (arc_output_function_epilogue): Likewise.
+ * arm.c (processors, all_cores, all_architectures,
+ arm_override_options, isr_attribute_arg, isr_attribute_args,
+ arm_isr_value): Likewise.
+ * avr.c (mcu_type_s, reg_class_tab, order_regs_for_local_alloc):
+ Likewise.
+ * c4x.c (c4x_int_reglist): Likewise.
+ * d30v.c (override_options): Likewise.
+ * h8300.c (shift_insn): Likewise.
+ * i386.c (size_cost, i386_cost, i486_cost, pentium_cost,
+ pentiumpro_cost, k6_cost, athlon_cost, pentium4_cost, ix86_cost,
+ ix86_expand_sse_comi, ix86_expand_sse_compare, override_options,
+ builtin_description, bdesc_comi, bdesc_2arg, bdesc_1arg,
+ ix86_init_mmx_sse_builtins, ix86_expand_builtin): Likewise.
+ * i386.h (processor_costs, ix86_cost): Likewise.
+ * m68hc11.c (m68hc11_cost, m6811_cost, m6812_cost): Likewise.
+ * m68hc11.h (processor_costs, m68hc11_cost): Likewise.
+ * m68k.c (codes_68881, codes_FPA): Likewise.
+ * m88k.c (mode_from_align, max_from_align, all_from_align,
+ best_from_align, m_options): Likewise.
+ * m88k.h (ORDER_REGS_FOR_LOCAL_ALLOC): Likewise.
+ * mcore.c (mode_from_align): Likewise.
+ * mips/elf64.h (UNIQUE_SECTION): Likewise.
+ * mips/iris6gld.h (UNIQUE_SECTION): Likewise.
+ * mips.c (mips_sw_reg_names, mips_regno_to_class): Likewise.
+ * mips.h (mips_regno_to_class): Likewise.
+ * ns32k.c (scales): Likewise.
+ * pa.c (import_string, magic_milli): Likewise.
+ * rs6000.c (alt_reg_names, rs6000_override_options): Likewise.
+ * sparc.c (leaf_reg_remap, sparc_override_options,
+ reg_leaf_alloc_order, reg_nonleaf_alloc_order, reg_alloc_orders):
+ Likewise.
+ * sparc.h (sparc_cpu_select, leaf_reg_remap): Likewise.
+
+2001-10-07 Dale Johannesen <dalej@apple.com>
+
+ * reload1.c (reload_reg_free_p): Teach register interference
+ checking that multiple output reloads are emitted in
+ reverse order.
+ reload1.c (reload_reg_reaches_end_p): Ditto.
+ reload1.c (reloads_conflict): Ditto.
+
+2001-10-07 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * doc/c-tree.texi, doc/tm.texi: Consistently put NULL and
+ NULL_TREE inside @code.
+
+2001-10-07 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * doc/gcc.texi: Document consistent style of "32-bit",
+ "Objective-C", and "@code{NULL}".
+
+2001-10-06 Zack Weinberg <zack@codesourcery.com>
+
+ * cpplex.c (enum spell_type): Add SPELL_NUMBER.
+ (cpp_token_len, cpp_spell_token, cpp_output_token,
+ _cpp_equiv_tokens): Handle it.
+ * cpplib.h (TTYPE_TABLE): Use SPELL_NUMBER for CPP_NUMBER and
+ CPP_COMMENT, SPELL_NONE for CPP_PADDING and CPP_EOF.
+ * cppexp.c (_cpp_parse_expr): Use the correct operator code in
+ error messages.
+
+Sat Oct 6 07:42:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * gcc.c (default_compilers): Remove .ada.
+
+2001-10-06 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * doc/cppinternals.texi: Update.
+
+2001-10-06 Zack Weinberg <zack@codesourcery.com>
+
+ * gcc.c (main): Set this_file_error if the appropriate
+ compiler for a language has not been installed.
+
+2001-10-06 Ulrich Weigand <uweigand@de.ibm.com>
+
+ * config/s390/s390.c (s390_va_arg): Use set_mem_alias_set.
+
+2001-10-05 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * gccbug.in (CATEGORIES): Add ada.
+
+2001-10-05 Catherine Moore <clm@redhat.com>
+
+ * config/stormy16/stormy-abi: Document abi changes.
+ * config/stormy16/stormy16.h (REG_ALLOC_ORDER): Redefine.
+ (ICALL_REGS): New register class.
+ (NUM_ARGUMENT_REGISTERS): Now 6.
+ (DEFAULT_PCC_STRUCT_RETURN): Don't try to return structs
+ in registers.
+ (REG_CLASS_FROM_LETTER): Map 'z' to ICALL_REGS.
+ * config/stormy16.md (call_internal, call_value_internal,
+ indirect_jump): Use new 'z' constraint.
+
+2001-10-05 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * doc/cppinternals.texi: Update.
+
+2001-10-05 Richard Henderson <rth@redhat.com>
+
+ * dwarf2out.c (FRAME_BEGIN_LABEL): New.
+ (output_call_frame_info): Use it instead of __FRAME_BEGIN__ and
+ the gas section-name-as-label feature.
+
+2001-10-05 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * doc/cppinternals.texi: Update.
+
+Fri Oct 5 08:17:46 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * config/i386/i386.c (ix86_split_to_parts): Use trunc_int_for_mode
+ to ensure valid SImode constants.
+
+2001-10-05 Alexandre Oliva <aoliva@redhat.com>
+
+ * Makefile.in (c-decl.o): Depend on tree-inline.h.
+ (c-lang.o): Likewise, as well as insn-config.h and integrate.h.
+ * c-decl.c: Include tree-inline.h.
+ (c_expand_body): Call optimize_inline_calls. Determine whether
+ a function is inlinable upfront, and only clear
+ DECL_SAVED_TREE, DECL_INITIAL and DECL_ARGUMENTS if it isn't.
+ * c-lang.c: Include tree-inline.h, insn-config.h and integrate.h.
+ (c_disregard_inline_limits): New function.
+ (inline_forbidden_p, c_cannot_inline_tree_fn): Likewise.
+ (c_post_options): Enable tree inlining if inlining is enabled.
+ Don't inline trees when instrumenting functions.
+ (c_init): Initialize lang_disregard_inline_limits and
+ lang_cannot_inline_tree_fn.
+ * tree-inline.c (initialize_inlined_parameters): Handle calls
+ with fewer arguments than declared parameters, and fewer
+ parameters than passed arguments. Don't assume value is a
+ DECL.
+ (declare_return_variable): Convert return value back to the
+ original type, if it was promoted.
+ (tree_inlinable_function_p): New function.
+ (inlinable_function_p): Don't look at DECL_INLINE if we're
+ inlining all functions. Make it work with a NULL id.
+ Re-check DECL_UNINLINABLE after language-specific checks.
+ * tree-inline.h (tree_inlinable_function_p): Declare it.
+ * integrate.c (save_for_inline): Don't bother to prepare argvec
+ when not inlining.
+ * cse.c (check_for_label_ref): Don't check deleted labels.
+
+ * Makefile.in (tree-inline.o): Depend on newly-included headers.
+ * tree-inline.c: Include headers needed for the functions moved in.
+ (struct inline_data, INSNS_PER_STMT): Moved from cp/optimize.c.
+ (remap_decl, remap_block, copy_scopy_stmt, copy_body_r): Likewise.
+ (copy_body, initialize_inlined_parameters): Likewise.
+ (declare_return_variable, inlinable_function_p): Likewise.
+ (expand_call_inline, expand_calls_inline): Likewise.
+ (optimize_inline_calls, clone_body): Likewise.
+ (walk_tree, walk_tree_without_duplicates): Moved from cp/tree.c.
+ (copy_tree_r, remap_save_expr): Likewise.
+
+2001-10-04 Alexandre Oliva <aoliva@redhat.com>
+
+ * Makefile.in (OBJS): Added tree-inline.o.
+ (c-common.o): Depend on tree-inline.h.
+ (tree-inline.o): New target.
+ * c-common.c: Include tree-inline.h.
+ (c_mark_lang_decl): Don't mark saved_tree.
+ (c_common_lang_init): Set lang_anon_aggr_type_p.
+ * c-common.h (walk_tree_fn, DECL_SAVED_TREE): Moved to tree.h.
+ (struct c_lang_decl): Moved saved_tree to tree_decl.
+ * ggc-common.c: Mark saved_tree and inlined_fns of FUNCTION_DECLs.
+ * integrate.h (function_attribute_inlinable_p): Declare it.
+ * integrate.c (function_attribute_inlinable_p): Export it.
+ * tree-inline.c: New file. Define variables declared in...
+ * tree-inline.h: New file. Declare functions to be moved to
+ tree-inline.c. Define macros and declare types and hooks for
+ language-specific tree inlining.
+ (flag_inline_trees): Moved definition from cp/decl2.c.
+ * tree.h (walk_tree_fn, DECL_SAVED_TREE): Moved from c-common.h.
+ (TREE_READONLY_DECL_P, DECL_INLINED_FNS): Moved from cp/cp-tree.h.
+ (struct tree_decl): Moved saved_tree from c_lang_decl and
+ inlined_fns from C++'s lang_decl.
+
+2001-10-04 Loren J. Rittle <ljrittle@acm.org>
+
+ * Makefile.in (STAGE2_FLAGS_TO_PASS): Remove patches which
+ propagated HOST_CC, HOST_CFLAGS, HOST_LDFLAGS and HOST_CPPFLAGS.
+
+2001-10-04 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * doc/cppinternals.texi: Update.
+
+2001-10-04 Eric Christopher <echristo@redhat.com>
+
+ * config/mips/mips.c (init_cumulative_args): Remember to set
+ cum->prototype.
+ * config.gcc: Redo linux configuration. Add target_cpu_default
+ of soft-float to all mipsisa32 combinations and tx39.
+ * config/mips/linux.h: Remove include of mips.h.
+
+2001-10-03 Loren J. Rittle <ljrittle@acm.org>
+
+ * Makefile.in (STAGE2_FLAGS_TO_PASS): Propagate HOST_CFLAGS,
+ HOST_LDFLAGS and HOST_CPPFLAGS.
+
+2001-10-03 Ziemowit Laski <zlaski@apple.com>
+
+ * c-parse.in (objc_inherit_code, objc_pq_context,
+ objc_public_flag): Make static.
+ (objc_interface_context, objc_implementation_context,
+ objc_method_context, objc_ivar_chain, objc_ivar_context): Move to
+ global tree array in objc/objc-act.[ch].
+ (methoddef): Remove unnecessary code.
+
+ * objc/objc-act.c: (hashed_attribute, hashed_entry, imp_entry):
+ Hoist struct definitions to objc-act.h.
+ (nst_method_hash_list, cls_method_hash_list, imp_list, imp_count,
+ cat_count): Place declaration in objc-act.h.
+ (objc_tree_index): Move enumeration to objc-act.h.
+ (objc_global_trees): Place declaration and macro accessors in
+ objc-act.h.
+ (implementation_context): Remove duplicate; use
+ objc_implementation_context instead:
+ (method_context): Remove duplicate; use objc_method_context
+ instead.
+ (objc_ellipsis_node, objc_method_prototype_template,
+ implemented_classes, function_type): Move global vars to
+ objc_global_trees.
+ (init_objc): Use LAST_BASE_TREE_CODE instead of LAST_CODE.
+ (build_message_expr): Move actual construction of ObjC message
+ send nodes to finish_message_expr.
+ (finish_message_expr): New routine, contains code formerly in
+ build_message_expr.
+ * objc/objc-act.h (finish_message_expr): New prototype.
+ (objc_ivar_chain, objc_method_context, objc_ellipsis_node): Remove
+ declarations; these vars are now part of objc_global_trees.
+ (objc_tree_index, objc_global_trees): Move definitions from
+ objc-act.c.
+ * objc/objc-tree.def: Update copyright info.
+
+Wed Oct 3 12:22:11 EDT 2001 John Wehle (john@feith.com)
+
+ * dwarf2asm.c (unaligned_integer_asm_op): Abort if
+ op is NULL.
+ * sparc/sysv4.h (UNALIGNED_DOUBLE_INT_ASM_OP): Use
+ only if TARGET_ARCH64.
+
+2001-10-02 Bernd Schmidt <bernds@redhat.com>
+
+ * doc/extend.texi: Fix some problems with previous checkin.
+ * doc/invoke.texi: Likewise.
+
+2001-10-02 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cpphash.h: Update comments.
+ (cpp_context): Update.
+ (spec_nodes): Remove n__Pragma.
+ * cppinit.c (cpp_create_reader): Update.
+ (builtin_array): Add _Pragma.
+ * cpplib.h: Update comments.
+ (NODE_DISABLED, BT_PRAGMA): New.
+ (cpp_start_lookahead, cpp_stop_lookahead): Remove prototypes.
+ * cppmacro.c (struct cpp_macro): Remove disabled.
+ (builtin_macro): Return int, handle _Pragma, push the new token
+ on the context stack.
+ (funlike_invocation_p): Unconstify, update.
+ (enter_macro_context): Handle builtins here.
+ (replace_args, push_token_context, push_ptoken_context):
+ Update for prototype changes.
+ (_cpp_pop_context): Update.
+ (cpp_get_token): Don't handle buitins, nor _Pragma here.
+ (cpp_sys_macro_p): Update.
+ (_cpp_free_definition): Clear disabled flag.
+ (_cpp_create_definition): Upate.
+ * cppmain.c: Update comments.
+
+Tue Oct 2 12:46:01 CEST 2001 Bo Thorsen <bo@suse.co.uk>,
+ Andreas Jaeger <aj@suse.de>,
+ Jan Hubicka <jh@suse.cz>
+
+ * doc/invoke.texi (i386 Options): Document x86-64 options.
+ (i386 and x86-64 Options): Rename i386 options section.
+
+ * config/i386/i386.h (TARGET_UNWIND_INFO): New.
+ (TARGET_SWITCHES): Add -munwind-info.
+ (MASK_NO_UNWIND_INFO): New.
+ (NO_BUILTIN_SIZE_TYPE, NO_BUILTIN_PTRDIFF_TYPE): Define for
+ biarch compilation.
+ (ASM_OUTPUT_DOUBLE_INT): New.
+
+ * config/i386/linux64.h: New spec file for Linux x86-64 support.
+ * config.gcc: Fix tm_file settings for x86-64.
+ * config/i386/x86-64.h: New file with OS independent x86-64
+ definitions.
+ * config/i386/biarch64.h: New file used to configure compiler
+ to biarch/64bit compilation.
+
+ * config/i386/i386.c: (override_options): Set flags default
+ for 64bit compilation.
+
+Tue Oct 2 12:46:01 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * i386.c (legitimize_pic_address): Add missing bits of 64bit support.
+ (ix86_expand_int_movcc): Optimize DImode conditional moves with
+ constants on x86_64.
+ (ix86_attr_length_immediate_default): Support MODE_DI.
+ * i386.md (fixdi splitter): Add missing "&& 1" in splitter
+ condition.
+ (indirect_jump, tablejump): Turn into expander.
+
+2001-10-02 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-common.c (c_format_attribute_table): Make format and
+ format_arg attributes apply to function types rather than to
+ decls.
+ (is_valid_printf_arglist): Construct an attribute list and pass
+ that to check_function_format rather than a name.
+ * c-common.h (check_function_format): Adjust prototype.
+ * c-decl.c (duplicate_decls): Preserve attributes from type of
+ built-in decl when allowing for harmless conflict in types.
+ * c-format.c (record_function_format,
+ record_international_format, function_format_list,
+ international_format_info, international_format_list): Remove.
+ (function_format_info): Remove next, name and assembler_name.
+ Make format_num and first_arg_num be unsigned HOST_WIDE_INT.
+ (decode_format_attr): New.
+ (handle_format_attribute): Handle receiving a type rather than a
+ decl. Call decode_format_attr. Store format information in a
+ function_format_info.
+ (handle_format_arg_attribute): Correct comment. Handle receiving
+ a type rather than a decl. Use unsigned HOST_WIDE_INT for
+ arg_num.
+ (check_format_info_recurse, check_format_info_main): Take argument
+ numbers as unsigned HOST_WIDE_INT.
+ (check_function_format): Take a list of attributes from the
+ function type rather than a name or assembler name. Check for
+ format attributes in that list and the attributes on the type of
+ the current function rather than looking through
+ function_format_list.
+ (check_format_info): Use unsigned HOST_WIDE_INT for argument
+ numbers.
+ (check_format_info_recurse): Take format_arg attributes from the
+ type of the function calls rather than using
+ international_format_list. Allow for multiple format_arg
+ attributes.
+ * c-typeck.c (build_function_call): Pass type attributes to
+ check_function_format rather than name or assembler name. Don't
+ require there to be a name or assembler name to check formats.
+
+2001-10-02 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * attribs.c (decl_attributes): Possibly call
+ insert_default_attributes to insert default attributes on
+ functions in a lazy manner.
+ * builtin-attrs.def: New file; define the default format and
+ format_arg attributes.
+ * c-common.c (c_format_attribute_table): Move to earlier in the
+ file.
+ (c_common_nodes_and_builtins): Initialize format_attribute_table.
+ (enum built_in_attribute, built_in_attributes,
+ c_attrs_initialized, c_init_attributes,
+ c_common_insert_default_attributes): New.
+ (c_common_lang_init): Don't initialize format_attribute_table. Do
+ call c_init_attributes.
+ * Makefile.in (c-common.o): Depend on builtin-attrs.def.
+ * c-common.h (init_function_format_info): Don't declare.
+ (c_common_insert_default_attributes): Declare.
+ * c-decl.c (implicitly_declare, builtin_function): Call
+ decl_attributes.
+ (init_decl_processing): Don't call init_function_format_info.
+ (insert_default_attributes): New.
+ * c-format.c (handle_format_attribute,
+ handle_format_arg_attribute): Be quiet about inappropriate
+ declaration when applying default attributes.
+ (init_function_format_info): Remove.
+ * tree.h (enum attribute_flags): Add ATTR_FLAG_BUILT_IN.
+ (insert_default_attributes): Declare.
+
+2001-10-02 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-format.c (CPLUSPLUS_STD_VER): Define to STD_C94.
+
+2001-10-01 Jim Wilson <wilson@redhat.com>
+
+ * sched-deps.c (add_dependence): When elide conditional dependence,
+ check that insn doesn't modify cond2.
+
+2001-10-01 Dale Johannesen <dalej@apple.com>
+
+ * config/rs6000/rs6000.h (enum processor_type): Add support
+ for 7400 (G4) and 7450.
+ (RTX_COSTS): Ditto.
+ * config/rs6000/rs6000.c (rs6000_override_options): Ditto.
+ (rs6000_issue_rate): Ditto.
+ (rs6000_adjust_cost): Fix cycle counts for compares.
+ (debug_stack_info): Fix an obvious typo.
+ * config/rs6000/rs6000.md: Add functional units for 7400 and 7450.
+ * doc/invoke.texi: Document.
+ * config/rs6000/darwin.h (TARGET_DEFAULT): Set to be reasonable
+ for Darwin.
+ (PROCESSOR_DEFAULT): Ditto.
+
+2001-10-01 Loren J. Rittle <ljrittle@acm.org>
+
+ * Makefile.in (STAGE2_FLAGS_TO_PASS): Propagate HOST_CC.
+ (fixinc.sh): Map CC, CFLAGS and LDFLAGS to HOST_* versions for
+ later recursive make invocation.
+
+2001-10-01 Hans Boehm <boehm@acm.org>
+
+ * optabs.c (emit_libcall_block): When using non-call exceptions,
+ don't add REG_LIBCALL reg notes to trapping calls.
+
+2001-10-01 David Billinghurst <David.Billinghurst@riotinto.com>
+
+ * flow.c (propagate_block_delete_libcall): Remove unused first arg
+ (propagate_one_insn): Update for above change
+
+2001-10-01 David Billinghurst <David.Billinghurst@riotinto.com>
+
+ * unwind-sjlj.c (_Unwind_GetRegionStart, _Unwind_GetDataRelBase,
+ _Unwind_GetTextRelBase): Argument is unused.
+
+Mon Oct 1 19:20:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * alias.c (get_alias_set): Try to replace PLACEHOLDER_EXPR.
+ Loop through NOPs, placeholders, and components.
+ Don't go through NOPs if change mode.
+ (record_alias_subset): Do nothing if SUBSET and SET are the same.
+ * emit-rtl.c (set_mem_alias_set): Enable check.
+ * expr.c (find_placeholder): New function.
+ (expand_expr, case PLACEHOLDER_EXPR): Use it.
+ (expand_expr, case COMPONENT_EXPR): Always copy OP0 when we need
+ to modify it and avoid unneeded copies.
+ * expr.h (expand_expr): Always define.
+ (find_placeholder): New declaration.
+
+2001-10-01 Stephane Carrez <Stephane.Carrez@worldnet.fr>
+
+ * config/m68hc11/m68hc11.md ("add-split"): Fix add split when
+ operand 2 is the stack pointer.
+ ("addr-peephole"): Fix address computation peephole when operand 2
+ is the stack pointer.
+
+Mon Oct 1 09:26:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * config/i386/i386.c (ix86_va_arg): Call set_mem_alias_set.
+ (ix86_setup_incoming_varargs): Likewise.
+
+2001-10-01 Jason Merrill <jason_merrill@redhat.com>
+
+ * stor-layout.c (layout_type): Don't complain about too-large
+ array here.
+
+Mon Oct 1 06:43:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * function.c (keep_stack_depressed): Don't use delete_insn.
+
+ * expr.h (set_mem_alias_set): Move decl to here.
+ * rtl.h (mem_attrs): New typedef and struct.
+ (union rtunion_def): Add field for mem_attrs.
+ (X0MEMATTR, MEM_ATTRS): New macros.
+ (MEM_ALIAS_SET): Use MEM_ATTRS.
+ (MEM_DECL, MEM_OFFSET, MEM_SIZE, MEM_ALIGN): New macros.
+ (MEM_COPY_ATTRIBUTES): Copy MEM_ATTRS.
+ (set_mem_alias_set): Delete decl from here.
+
+ * alias.c (set_mem_alias_set): Delete from here.
+ * emit-rtl.c (mem_attrs_htab): New variable.
+ (rtx_htab_mark, rtx_htab_mark_1): Deleted.
+ (mem_attrs_htab_hash, mem_attrs_htab_eq): New functions.
+ (mem_attrs_mark, get_mem_attrs): Likewise.
+ (gen_rtx_MEM): Clear MEM_ATTRS.
+ (set_mem_attributes): Move to here.
+ (set_mem_alias_set): Likewise, and call get_mem_attrs.
+ (init_emit_once): const_int_htab now deletable htab.
+ Initialize mem_attrs_htab.
+ * explow.c (set_mem_attributes): Delete from here.
+ * function.c (put_var_into_stack): Clear MEM_ATTRS.
+ (gen_mem_addressof): Likewise; rework to use set_mem_attributes.
+ * ggc-common.c (ggc_mark_rtx_children, case MEM): New case.
+ * reload1.c (reload): Rework changing REG to MEM.
+
+2001-09-30 H.J. Lu <hjl@gnu.org>
+
+ * acconfig.h (PREFIX_INCLUDE_DIR): New variable.
+ * config.in: Rebuild.
+
+2001-09-30 Stephane Carrez <Stephane.Carrez@worldnet.fr>
+
+ * config/m68hc11/m68hc11.md ("cmpqi_1"): Fix constraints.
+ ("tsthi_1"): Avoid allocation in register y.
+ ("*movqi_68hc12"): Reorganize and fix constraints.
+ ("zero_extendqisi2"): Prefer d over x and y for operand 1.
+ ("addqi3"): Likewise.
+ ("addhi3"): Fix constraints.
+ ("*logicalhi3_zexthi"): Disparage soft registers.
+
+2001-09-30 Stephane Carrez <Stephane.Carrez@worldnet.fr>
+
+ * config/m68hc11/m68hc11.c (m68hc11_gen_movhi): Fix move of sp
+ to tmp reg.
+
+2001-09-30 Stephane Carrez <Stephane.Carrez@worldnet.fr>
+
+ * config/m68hc11/m68hc11.h(INCOMING_RETURN_ADDR_RTX): Remove so
+ that we use setjmp/longjmp exceptions.
+
+2001-09-30 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cpphash.h (POOL_ALIGN, POOL_FRONT, POOL_LIMIT, POOL_BASE,
+ POOL_SIZE, POOL_ROOM, POOL_COMMIT, struct cpp_chunk,
+ struct cpp_pool, _cpp_init_pool, _cpp_free_pool, _cpp_pool_reserve,
+ _cpp_pool_alloc, _cpp_next_chunk): Remove.
+ (_cpp_extend_buff, BUFF_ROOM): Update.
+ (_cpp_append_extend_buff): New.
+ (struct cpp_reader): Remove macro_pool, add a_buff.
+ * cppinit.c (cpp_create_reader): Initialize a_buff, instead of
+ macro_pool.
+ (cpp_destroy): Free a_buff instead of macro_pool.
+ * cpplex.c (new_chunk, chunk_suitable, _cpp_next_chunk,
+ new_chunk, _cpp_init_pool, _cpp_free_pool, _cpp_pool_reserve,
+ _cpp_pool_alloc, ): Remove.
+ (parse_number, parse_string): Update use of _cpp_extend_buff.
+ (_cpp_extend_buff): Update.
+ (_cpp_append_extend_buff, cpp_aligned_alloc): New.
+ * cpplib.c (glue_header_name, parse_answer):
+ Update use of _cpp_extend_buff.
+ (cpp_register_pragma, cpp_register_pragma_space): Use
+ _cpp_aligned_alloc.
+ (do_assert, do_unassert): Check for EOL, update.
+ * cppmacro.c (stringify_arg, collect_args): Update to use
+ _cpp_extend_buff and _cpp_append_extend_buff.
+ (save_parameter, parse_params, alloc_expansion_token,
+ _cpp_create_definition): Rework memory management.
+
+2001-09-29 Andris Pavenis <pavenis@lanet.lv>
+
+ * config/i386/xm-djgpp.h (GCC_DRIVER_HOST_INITIALIZATION): Don't
+ update md_exec_prefix.
+ (UPDATE_PATH_HOST_CANONICALIZE): Don't free PATH as it can point
+ to string constant.
+
+2001-09-30 Ulrich Weigand <uweigand@de.ibm.com>
+
+ * config/s390/s390.h (EXTRA_CC_MODES): Add CCLmode.
+ (SELECT_CC_MODE): Use s390_select_ccmode.
+ * config/s390/s390-protos.h (s390_select_ccmode): Add.
+ * config/s390/s390.c (s390_select_ccmode): New.
+ (s390_match_ccmode): Add CCLmode.
+ (s390_branch_condition_mask, s390_branch_condition_mnemonic): New.
+ (output_branch_condition, output_inverse_branch_condition): Removed.
+ (print_operand): Use s390_branch_condition_mnemonic.
+ * config/s390/s390.md (addsi3_cc, addsi3_cconly, addsi3_cconly2,
+ subsi3_cc, subsi3_cconly): Use logical instructions and CCLmode.
+ (bunordered, bordered, buneq, bungt, bunlt, bnuge, bunle, bltgt): New.
+
+ * config/s390/s390.c (check_and_change_labels): Preserve CC mode
+ when converting conditional branches to far branches.
+ * config/s390/s390.md (cmpstr_const, cmpstr_64, cmpstr_31, cmpint_si,
+ cmpint_di): Use CCSmode instead of CCUmode.
+
+ * config/s390/s390.c (legitimate_la_operand_p): New.
+ * config/s390/s390-protos.h (legitimate_la_operand_p): Add.
+ * config/s390/s390.md (movsi): Convert load address patterns to
+ arithmetic operations when necessary.
+ (addaddr_picR, addaddr_picL, addaddr_picN): Removed.
+ (do_la): Renamed to *do_la and use legitimate_la_operand_p.
+ (*do_la_reg_0): Don't use before reload.
+
+ * config/s390/s390.c (legitimize_address): Make more efficient
+ use of two-register addressing mode.
+
+ * config/s390/s390.c (s390_function_prologue): Fix incorrect prolog
+ with -mno-backchain in some corner cases.
+
+ * config/s390/s390.md (cmpsi_cct): Operands 0 and 1 do not commute.
+
+2001-09-29 Alexandre Oliva <aoliva@redhat.com>
+
+ * reload.c (find_reloads): Mark new USE insns with QImode.
+ (find_reloads_toplev, find_reloads_address, subst_reg_equivs,
+ find_reloads_subreg_address): Likewise.
+ * regrename.c (note_sets, clear_dead_regs): Abort if pseudos are
+ encountered.
+ * reload1.c (reload_combine_note_use): Likewise, inside USEs and
+ CLOBBERs.
+ (reload): Make sure there are no USEs with mode other than
+ VOIDmode. At the end, remove those marked with QImode.
+
+2001-09-29 Per Bothner <per@bothner.com>
+
+ * cppdefault.c (cpp_include_defaults): Also search PREFIX_INCLUDE_DIR.
+ * Makefile.in (includedir): Rename to local_includedir.
+ (includedir): Define as $(prefix)/include.
+ * config.in (PREFIX_INCLUDE_DIR): New variable.
+ * configure.in (PREFIX_INCLUDE_DIR): Test for new variable.
+
+2001-09-29 Bernd Schmidt <bernds@redhat.com>
+
+ * config/i386/i386.c (init_mmx_sse_builtins): Fix type of storelps and
+ storehps builtins.
+ * doc/extend.texi (Vector Extensions): New node.
+ * doc/invoke.texi (Machine Dependent Options): Add documentation for
+ i386 -mmmx, -msse, -m3dnow.
+
+Sat Sep 29 15:08:16 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * doc/invoke.texi (Optimize Options): Revert an accidental checkin.
+
+2001-09-29 Hans-Peter Nilsson <hp@axis.com>
+
+ * cse.c (cse_insn) [HAVE_cc0]: Fix typo delete-insn -> delete_insn.
+
+ * doc/invoke.texi (Optimize Options): Delete spurious @table.
+
+2001-09-28 Richard Henderson <rth@redhat.com>
+
+ * varasm.c (assemble_integer): Bound alignment check by
+ BIGGEST_ALIGNMENT.
+
+ * cfgrtl.c (redirect_edge_and_branch): Abort if redirect_jump fails.
+
+2001-09-28 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
+
+ * config/i386/sol2.h (CPLUSPLUS_CPP_SPEC): Define.
+
+2001-09-25 Bernd Schmidt <bernds@redhat.com>
+
+ Mostly from Graham Stott <grahams@redhat.com>
+ * c-common.c (type_for_mode): Add support for V2SFmode.
+ * tree.c (build_common_tree_nodes_2): Likewise.
+ * tree.h (enum tree_index, global_trees): Likewise.
+ * config/i386/i386.c (x86_3dnow_a): New variable.
+ (override_options): Support 3Dnow extensions.
+ (bdesc_2arg, bdesc_1arg): Some SSE instructions are also part of
+ Athlon's version of 3Dnow.
+ (ix86_init_mmx_sse_builtins): Create 3Dnow builtins.
+ (ix86_expand_builtin): Handle them.
+ (ix86_hard_regno_mode_ok): Support V2SFmode if using 3Dnow.
+ * config/i386/i386.h (MASK_3DNOW, MASK_3DNOW_A, TARGET_3DNOW,
+ TARGET_3DNOW_A): New macros.
+ (TARGET_SWITCHES): Add 3Dnow switches.
+ (VALID_MMX_REG_MODE_3DNOW): New macro.
+ (VECTOR_MODE_SUPPORTED_P): Use it.
+ (enum ix86_builtins): Add entries for 3Dnow builtins.
+ * config/i386/i386.md (movv2sf_internal, movv2sf, pushv2sf, pf2id,
+ pf2iw, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3, eqv2sf3,
+ pfmaxv23sf3, pfminv2sf3, mulv2sf3, femms, prefetch_3dnow, prefetchw,
+ pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pavgusb, pfrcpv2sf2,
+ pfrcpit1v2sf3, pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3,
+ pmulhrwvhi3, pswapdv2si2, pswapdv2sf2): New patterns.
+ (mmx_pmovmskb, mmx_maskmovq, sse_movntdi, umulv4hi3_highpart,
+ mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pextrw,
+ mmx_pshufw, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, sfence,
+ sfence_insn, prefetch): Make these available if TARGET_SSE or
+ TARGET_3DNOW_A.
+
+Fri Sep 28 19:18:40 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * i386-protos.h (ix86_setup_incoming_varargs, ix86_va_arg,
+ ix86_va_start, ix86_build_va_list): Declare.
+ * i386.c (ix86_setup_incoming_varargs, ix86_va_arg,
+ ix86_va_start, ix86_build_va_list): New global functions.
+ * i386.md (sse_prologue_save_insn): New insn.
+ (sse_prologue_save): New expander.
+ * i386.h (EXPAND_BUILTIN_VA_ARG, EXPAND_BUILTIN_VA_START,
+ BUILD_VA_LIST_TYPE, SETUP_INCOMING_VARARGS): New macros.
+
+2001-09-28 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cpplex.c (new_buff, _cpp_get_buff, _cpp_extend_buff):
+ Use size_t everywhere, make definitions consistent with
+ prototypes.
+
+Fri Sep 28 14:59:34 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * gcse.c (replace_store_insn): Use delete_insn.
+ * loop.c (move_movables): Likewise; avoid delete_insn
+ from clobbering notes moved elsewhere.
+ (check_dbra_loop): Use delete_insn.
+ * ssa.c (convert_from_ssa): Likewise.
+ * cse.c (cse_insn): Use delete_insn.
+
+2001-09-28 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cpphash.h (struct cpp_buff): Make unsigned.
+ (_cpp_get_buff): Take length of size_t.
+ (_cpp_unaligned_alloc): New.
+ (BUFF_ROOM, BUFF_FRONT, BUFF_LIMIT): New.
+ (struct cpp_reader): Remove ident_pool. Add u_buff.
+ * cppinit.c (cpp_create_reader): Initialize u_buff, not ident_pool.
+ (cpp_destroy): Destroy u_buff, not ident_pool.
+ * cpplex.c (parse_number, parse_string, save_comment,
+ cpp_token_as_text): Update to use the unaligned buffer.
+ (new_buff): Make unsigned.
+ (_cpp_unaligned_alloc): New.
+ * cpplib.c (glue_header_name): Update to use the unaligned buffer.
+ * cppmacro.c (new_number_token, builtin_macro, stringify_arg):
+ Similarly.
+ (collect_args): Make unsigned.
+
+2001-09-27 Zack Weinberg <zack@codesourcery.com>
+
+ * cpplex.c (cpp_output_token): Use a putc loop for
+ SPELL_OPERATOR, and fwrite for SPELL_IDENT.
+
+ * configure.in: Detect fwrite_unlocked and fprintf_unlocked.
+ * configure, config.in: Regenerate.
+ * system.h: Replace fwrite and fprintf with their unlocked
+ variants if available.
+
+2001-09-27 Richard Henderson <rth@redhat.com>
+
+ * dwarf2out.c (dwarf2out_frame_finish): Never elide .debug_frame
+ in favor of .eh_frame.
+
+2001-09-27 Aldy Hernandez <aldyh@redhat.com>
+
+ * config/rs6000/rs6000.h (FUNCTION_VALUE): Change hardcoded 33 and 3
+ to macros.
+ (LIBCALL_VALUE): Likewise.
+
+2001-09-27 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cpphash.h: Update comment.
+ * cpplex.c: Update comments.
+ (_cpp_can_paste): Remove.
+ * cpplib.h (_cpp_can_paste): Remove.
+ * cppmacro.c (paste_tokens, paste_all_tokens): Update to use the
+ lexer rather than _cpp_can_paste.
+
+2001-09-27 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * doc/cppinternals.texi: Update.
+
+2001-09-26 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cpphash.h (struct cpp_pool): Remove locks and locked.
+ (struct cpp_context): Add member buff.
+ (struct cpp_reader): Remove member argument_pool.
+ (_cpp_lock_pool, _cpp_unlock_pool): Remove.
+ * cppinit.c (cpp_create_reader, cpp_destroy): Argument_pool is dead.
+ * cpplex.c (chunk_suitable): Remove pool argument.
+ (MIN_BUFF_SIZE, BUFF_SIZE_UPPER_BOUND, EXTENDED_BUFF_SIZE): New.
+ (new_buff, _cpp_extend_buff): Update.
+ (_cpp_get_buff): Fix silly pointer bug. Be more selective about
+ which buffer is returned.
+ (_cpp_next_chunk, _cpp_init_pool): Pool locking removed.
+ (_cpp_lock_pool, _cpp_unlock_pool): Remove.
+ * cppmacro.c (lock_pools, unlock_pools): Remove.
+ (push_ptoken_context): Take a _cpp_buff.
+ (enter_macro_context): Pool locking removed.
+ (replace_args): Use a _cpp_buff for the replacement list with
+ arguments replaced.
+ (push_token_context): Clear buff.
+ (expand_arg): Use _cpp_pop_context.
+ (_cpp_pop_context): Free a context's buffer, if any.
+
+2001-09-26 DJ Delorie <dj@redhat.com>
+
+ * c-typeck.c (digest_init): Check for sizeless arrays.
+
+2001-09-26 Richard Henderson <rth@redhat.com>
+
+ * optabs.c (init_one_libfunc): Create a dummy function type
+ instead of using error_mark_node.
+
+2001-09-26 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cpphash.h (struct _cpp_buff, _cpp_get_buff, _cpp_release_buff,
+ _cpp_extend_buff, _cpp_free_buff): New.
+ (struct cpp_reader): New member free_buffs.
+ * cppinit.c (cpp_destroy): Free buffers.
+ * cpplex.c (new_buff, _cpp_release_buff, _cpp_get_buff,
+ _cpp_extend_buff, _cpp_free_buff): New.
+ * cpplib.h (struct cpp_options): Remove unused member.
+ * cppmacro.c (collect_args): New. Combines the old parse_arg
+ and parse_args. Use _cpp_buff for memory allocation.
+ (funlike_invocation_p, replace_args): Update.
+
+Wed Sep 26 13:20:51 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * final.c (final_scan_insn): Use delete_insn instead of delete_note.
+
+2001-09-25 Andrew Haley <aph@cambridge.redhat.com>
+
+ * except.c (sjlj_mark_call_sites): Change address inside sequence.
+
+2001-09-24 Andrew Haley <aph@cambridge.redhat.com>
+
+ * config/sh/linux.h (LINK_SPEC): Set dynamic-linker to agree with
+ glibc.
+
+2001-09-25 Janis Johnson <janis187@us.ibm.com>
+ Jim Wilson <wilson@redhat.com>
+
+ * doc/install.texi (Specific, ia64-*-linux): Document.
+
+Tue Sep 25 17:13:56 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * Makefile.in (cfgrtl.o): Add.
+ * basic-block.h (alloc_block, alloc_aux_for_block, alloc_aux_for_blocks,
+ free_aux_for_block, alloc_aux_for_edge, alloc_aux_for_edges,
+ free_aux_for_edge): Declare.
+ * cfg.c
+ (HAVE_return): Undefine.
+ * basic-block.h (alloc_block, alloc_aux_for_block, alloc_aux_for_blocks,
+ free_aux_for_block, alloc_aux_for_edge, alloc_aux_for_edges,
+ free_aux_for_edge): New global functions.
+ (first_delete_block): New static variable.
+ (init_flow): Clear first_delete_block.
+ (basic_block_for_insn, label_value_list, tail_recursion_label_list,
+ can_delete_note_p, can_delete_label_p, commit_one_edge_insertion,
+ try_redirect_by_replacing_jump, last_loop_beg_note,
+ back_edge_of_syntactic_loop_p, force_nonfallthru_and_redirect,
+ delete_insn, delete_insn_chain, create_basic_block_structure,
+ create_basic_block, flow_delete_block, compute_bb_for_insn,
+ free_bb_for_insn, update_bb_for_insn, set_block_for_insn,
+ set_block_for_new_insns, split_block, merge_blocks_nomove,
+ block_label, try_redirect_by_replacing_jump, last_loop_beg_note,
+ redirect_edge_and_branch, force_nonfallthru_and_redirect,
+ force_nonfallthru, redirect_edge_and_branch_force, tidy_fallthru_edge,
+ tidy_fallthru_edges, split_edge, insert_insn_on_edge,
+ commit_one_edge_insertion, commit_edge_insertions, dump_bb, debug_bb,
+ debug_bb_n, print_rtl_with_bb, verify_flow_info, purge_dead_edges,
+ purge_all_dead_edges): Move to ....
+ * cfgrtl.c: New file; .... Here.
+
+ * bb-reorder.c (fixup_reorder_chain): Use alloc_aux_for_block.
+ (reroder_basic_block): Use alloc_aux_for_blocks.
+ * predict.c (estimate_bb_frequencies): Likewise; use
+ alloc_aux_for_edges.
+ * profile.c (compute_branch_probabilities): Likewise.
+ (branch_prob): Likewise.
+ * reg-stack.c (reg_to_stack): Likewise.
+
+ * emit-rtl.c (emit_insns_after): Never return NULL.
+
+ * basic-block.h (set_block_for_new_insns): Delete.
+ * cfgrtl.c (set_block_for_new_insns): Delete.
+
+ * cfgcleanup.c (try_optimize_cfg): Add fake exit edges for noreturn
+ calls when crossjumping.
+
+ * cfgcleanup.c (try_simplify_condjump): Cleanup invert_jump call.
+ * unroll.c (copy_loop_body): Use delete_insn.
+
+ * final.c (final, final_scan_insn): Use delete_insn/delete_note.
+ * function.c (fixup_var_refs_insn, fixup_var_refs_1,
+ keep_stack_depressed): Likewise.
+ * gcse.c (cprop_cc0_jump): Likewise.
+ * local-alloc.c (update_equiv_regs): Likewise.
+ * loop.c (scan_loop, loop_delete_insns): Likewise.
+ * regmove.c (try_auto_increment, fixup_match_1): Likewise.
+ * reload1.c (reload, calculate_needs_all_insns, reload_as_needed,
+ delete_output_reload, delete_address_reloads_1,
+ reload_cse_delete_noop_set, reload_combine, reload_cse_move2add):
+ Likewise.
+ * sibcall.c (replace_call_placeholder): Likewise.
+ * cse.c (cse_insn): Likewise.
+
+2001-09-25 Bernd Schmidt <bernds@redhat.com>
+
+ From Graham Stott <grahams@redhat.com>
+ (def_builtin): Only define builtins appropriate for target_flags. All
+ callers changed.
+ (builtin_decsription): Add new field mask which is used to determine
+ when to define the builtin via the macro def_builtin.
+
+ (bdesc_comi): Initialize new mask fields.
+ (bdesc_2srg): Likewise.
+ (bdesc_1arg): Likewise.
+
+ * config/i386/i386.c (ix86_init_builtins): Correct return type
+ building v4hi_ftype_v4hi_int_int tree node.
+ (ix86_expand_sse_comi): Fix typo swapping operands.
+ Don't swap comparison condition, it is already swapped.
+ (ix86_expand_sse_compare): Before swapping operands
+ move operand 1 into new rtx and not the target rtx.
+ Don't swap comparison condition, it is already swapped.
+ Always check whether we need to create a new TARGET.
+
+ * config/i386/i386.md: (sse_comi) Fix typos.
+ (sse_ucomi): Likewise.
+ (cvtss2si): Fix operand 0 contraint.
+ (cvttss2si): Likewise.
+ (sse_unpckhps): Fix mode for operand 2.
+ (sse_unpcklps): Likewise.
+
+2001-09-25 Graham Stott <grahams@redhat.com>
+
+ * sibcall.c (skip_copy_to_return_value): Tighten return value
+ copy check.
+
+2001-09-24 David Edelsohn <edelsohn@gnu.org>
+
+ * rs6000.c (lwa_operand): Address must be word aligned.
+
+Mon Sep 24 18:57:59 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * tree.c (type_hash_marked_p): Consider as marked if debug symbol
+ number has been set.
+ (type_hash_mark): Mark type itself.
+
+2001-09-24 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * c-lex.c (cb_def_pragma): Update.
+ (c_lex): Update, and skip padding.
+ * cppexp.c (lex, parse_defined): Update, remove unused variable.
+ * cpphash.h (struct toklist): Delete.
+ (union utoken): New.
+ (struct cpp_context): Update.
+ (struct cpp_reader): New members eof, avoid_paste.
+ (_cpp_temp_token): New.
+ * cppinit.c (cpp_create_reader): Update.
+ * cpplex.c (_cpp_temp_token): New.
+ (_cpp_lex_direct): Add PREV_WHITE when parsing args.
+ (cpp_output_token): Don't print leading whitespace.
+ (cpp_output_line): Update.
+ * cpplib.c (glue_header_name, parse_include, get__Pragma_string,
+ do_include_common, do_line, do_ident, do_pragma,
+ do_pragma_dependency, _cpp_do__Pragma, parse_answer,
+ parse_assertion): Update.
+ (get_token_no_padding): New.
+ * cpplib.h (CPP_PADDING): New.
+ (AVOID_LPASTE): Delete.
+ (struct cpp_token): New union member source.
+ (cpp_get_token): Update.
+ * cppmacro.c (macro_arg): Convert to use pointers to const tokens.
+ (builtin_macro, paste_all_tokens, paste_tokens, funlike_invocation_p,
+ replace_args, quote_string, stringify_arg, parse_arg, next_context,
+ enter_macro_context, expand_arg, _cpp_pop_context, cpp_scan_nooutput,
+ _cpp_backup_tokens, _cpp_create_definition): Update.
+ (push_arg_context): Delete.
+ (padding_token, push_token_context, push_ptoken_context): New.
+ (make_string_token, make_number_token): Update, rename.
+ (cpp_get_token): Update to handle tokens as pointers to const,
+ and insert padding appropriately.
+ * cppmain.c (struct printer): New member prev.
+ (check_multiline_token): Constify.
+ (do_preprocessing, cb_line_change): Update.
+ (scan_translation_unit): Update to handle spacing.
+ * scan-decls.c (get_a_token): New.
+ (skip_to_closing_brace, scan_decls): Update.
+ * fix-header.c (read_scan_file): Update.
+
+ * doc/cpp.texi: Update.
+
+2001-09-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * c-aux-info.c (affix_data_type): Use ATTRIBUTE_MALLOC. Avoid
+ leak by passing malloc'ed pointer to reconcat, not concat.
+
+2001-09-24 DJ Delorie <dj@redhat.com>
+
+ * varasm.c (array_size_for_constructor): Handle STRING_CSTs also.
+
+2001-09-24 Ulrich Weigand <uweigand@de.ibm.com>:
+
+ * flow.c (delete_dead_jumptables): Delete jumptable if the only
+ reference is from the literal pool.
+
+2001-09-24 Janis Johnson <janis187@us.ibm.com>
+
+ * doc/install.texi (Final install): Request additional information
+ in mail about successful builds.
+
+2001-09-24 John David Anglin <dave@hiauly1.hia.nrc.ca>
+
+ * pa.c (return_addr_rtx): Return NULL_RTX if count is not zero. Use
+ initial value of return pointer register instead of value in frame-20.
+ Revise comments.
+
+2001-09-24 John David Anglin <dave@hiauly1.hia.nrc.ca>
+
+ * som.h (ASM_OUTPUT_EXTERNAL): Improve formatting.
+ (ASM_OUTPUT_EXTERNAL_LIBCALL): Only generate a .IMPORT statement for
+ the libcall if there isn't a referenced identifier for the symbol.
+
+2001-09-24 John David Anglin <dave@hiauly1.hia.nrc.ca>
+
+ * pa.h (TRAMPOLINE_TEMPLATE): Add two words to the template for
+ non 64-bit machines. Use these as a plabel for the trampoline.
+ (TRAMPOLINE_SIZE): Adjust size for new words.
+ (INITIALIZE_TRAMPOLINE): Initialize new words.
+ (TRAMPOLINE_ADJUST_ADDRESS): New. Adjust address to make it a
+ pointer to the plabel in the trampoline.
+
+2001-09-24 John David Anglin <dave@hiauly1.hia.nrc.ca>
+
+ * pa.c (function_arg): Pass floating arguments in both general and
+ floating registers in indirect (dynamic) calls when generating code
+ for the 32 bit ABI and the HP assembler.
+
+2001-09-24 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
+
+ * doc/install.texi: Markup fixes.
+ Use Solaris 2, SunOS 4 as appropriate.
+ (Specific, *-*-solaris2*): Explain this.
+ Unconditionally warn against /usr/ucb tools.
+ Remove Sun as warning, obsolete.
+ Move X11 header bug workaround here, update patches.
+ (Specific, sparc-sun-solaris2*): Detail Sun as fix status.
+ (Specific, sparc-sun-solaris2.7): Update patch 106950 status.
+
+2001-09-23 Zack Weinberg <zack@codesourcery.com>
+
+ * errors.h (warning, error, fatal, internal_error): Don't mark
+ with ATTRIBUTE_PRINTF_n.
+ * toplev.h (internal_error, fatal_io_error, warning, error,
+ pedwarn, pedwarn_with_file_and_line, warning_with_file_and_line,
+ error_with_file_and_line, sorry, error_for_asm, warning_for_asm):
+ Likewise.
+
+Sun Sep 23 18:19:48 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * function.c (pop_function_context_from): var_refs_queue
+ and temp slots now in GC memory.
+ (mark_function_status, free_after_compilation): Likewise;
+ also struct function now in GC memory.
+ (assign_stack_temp_for_type): struct temp_slot now in GC memory.
+ (combine_temp_slots): Likewise.
+ (schedule_fixup_var_refs): var_refs_queue now in GC memory.
+ (prepare_function_start): Use GC memory for struct function.
+ (mark_temp_slot): Deleted.
+ (gcc_mark_struct_function): struct function now in GC memory.
+
+ * fold-const.c (extract_muldiv, case PLUS_EXPR): Only adjust
+ code for division, not modulus.
+
+ * rtl.def (MEM): Remove obsolete part of comment.
+
+2001-09-22 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-format.c (init_function_format_info): Check __builtin_printf
+ and __builtin_fprintf even if -ffreestanding. Check C99 functions
+ in gnu89 mode.
+
+Sat Sep 22 09:09:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * c-common.c (format_attribute_table): Remove decl.
+ * tree.h (format_attribute_table, lang_attribute_table): New decls.
+ (lang_attribute_common): Likewise.
+
+ * function.c (fix_lexical_address): Use set_mem_alias_set.
+ (expand_function_start): Likewise.
+ * config/alpha/alpha.h (SETUP_INCOMING_VARARGS): Likewise.
+
+ * varasm.c (output_constant): Fix unused variable warning.
+
+ * attribs.c: New file, from c-common.c.
+ (attribute_tables): Now four elements.
+ (format_attribute_table, lang_attribute_common): New variables.
+ (init_attributes): Reflect above changes.
+ (handle_mode_attribute): Delete check for wider than uintmax.
+ * c-common.c: Delete parts moved to attribs.c.
+ (enum attrs): Deleted; unused.
+ (c_format_attribute_table): New variable.
+ (c_common_lang_init): Initialize format_attribute_table with it.
+ * c-common.h (decl_attributes): Remove decl.
+ * tree.h (decl_attribute): Move it to here.
+ * Makefile.in (C_AND_OBJS_OBJS): Add attribs.o.
+ (attribs.o): New rule.
+
+2001-09-22 Andreas Jaeger <aj@suse.de>
+
+ * builtins.c (c_getstr): Remove unused variable.
+
+2001-09-21 Richard Henderson <rth@redhat.com>
+
+ * reload1.c (reload): Use delete_insn instead of splatting
+ NOTE_INSN_DELETED.
+
+2001-09-21 Richard Henderson <rth@redhat.com>
+
+ * reload.c (push_secondary_reload): Don't check for "=" in output
+ constraint after ""->ALL_REGS check.
+
+2001-09-21 Richard Henderson <rth@redhat.com>
+
+ * predict.c (expected_value_to_br_prob): Use pc_set.
+
+ * optabs.c (init_one_libfunc): Gen a FUNCTION_DECL for use by
+ ENCODE_SECTION_INFO; get SYMBOL_REF from make_decl_rtl.
+
+2001-09-21 Richard Henderson <rth@redhat.com>
+
+ * rtl.h (LCT_RETURNS_TWICE): New.
+ * calls.c (emit_call_1): Set current_function_calls_setjmp for
+ ECF_RETURNS_TWICE.
+ (emit_library_call_value_1): Map LCT_RETURNS_TWICE
+ to ECF_RETURNS_TWICE.
+ * except.c (sjlj_emit_function_enter): Use LCT_RETURNS_TWICE for
+ call to setjmp.
+
+ * unwind-sjlj.c: Invent the setjmp.h declarations if inhibit_libc.
+
+ * config/stormy16/stormy16.h (DONT_USE_BUILTIN_SETJMP): New.
+ (JMP_BUF_SIZE): New.
+
+2001-09-21 Richard Henderson <rth@redhat.com>
+
+ * config/stormy16/stormy16.h (REG_CLASS_FROM_LETTER): Map 'd'
+ to R8_REGS.
+
+2001-09-21 Richard Henderson <rth@redhat.com>
+
+ * tree.def (FDESC_EXPR): New.
+ * expr.c (expand_expr): Handle it.
+ * varasm.c (initializer_constant_valid_p): Likewise.
+ (output_constant): Likewise.
+ * defaults.h (TARGET_VTABLE_USES_DESCRIPTORS): New.
+ * config/ia64/ia64.h (TARGET_VTABLE_USES_DESCRIPTORS): New.
+ (ASM_OUTPUT_FDESC): New.
+ * doc/tm.texi: Document the new macros.
+
+2001-09-21 Richard Earnshaw (reanrsha@arm.com)
+
+ * cfgcleanup.c (merge_blocks_move_successor_nojumps): Don't leave
+ ADDR_VEC or ADDR_DIFF_VEC jump insns as part of the basic block
+ once merging is complete.
+
+Fri Sep 21 11:20:12 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * integrate.c (allocate_initial_values): Eliminate unused arg warning.
+
+2001-09-21 Richard Earnshaw (reanrsha@arm.com)
+
+ * cfgcleanup.c (flow_find_cross_jump): Delete any REG_EQUAL notes
+ that would be invalid after a merge.
+
+Fri Sep 21 14:24:29 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * basic-block.h (flow_delete_insn, flow_delete_insn_chain): Kill.
+ * cfg.c (delete_insn): Rename from ....; use remove_insn; do not
+ remove some labels.
+ (flow_delete_insn): This one.
+ (delete_insn_chain): Rename from ...; do not care labels.
+ (flow_delete_insn_chain): ... this one.
+ (flow_delete_block): Remove the insns one BB has been expunged.
+ (merge_blocks_nomove): Likewise.
+ (try_redirect_by_replacing_jump): Use delete_insn[_chain]; do not care
+ updating BB boundaries.
+ (tidy_fallthru_edge): Likewise.
+ (commit_one_edge_insertion): Likewise.
+ * cfgbuild.c (find_basic_block): Likewise.
+ (find_basic_blocks_1): Likewise.
+ * cfgcleanup.c (merge_blocks_move_predecessor_nojumps): Likewise.
+ (try_crossjump_to_edge): Likewise.
+ (try_optimize_cfg): Likewise.
+ * cse.c (delete_trivially_dead_insns): Likewise.
+ * df.c (df_insn_delete): Likewise.
+ * doloop.c (doloop_modify): Use delete_related_insns.
+ * emit-rtl.c (try_split): Likewise.
+ (remove_insn): Update BB boundaries.
+ * expect.c (connect_post_landing_pads): Use delete_related_insns.
+ * flow.c (delete_dead_jumptables): Use delete_insn[_chain]; do not care
+ updating BB boundaries.
+ (propagate_block_delete_insn): Likewise.
+ (propagate_block_delete_libcall): Likewise.
+ * function.c (delete_handlers): Use delete_related_insns.
+ (thread_prologue_and_epilogue_insns): Likewise.
+ * gcse.c (delete_null_pointer_checks): Use delete_related_insns.
+ * genpeep.c (gen_peephole): Use delete_related_insns.
+ * ifcvt.c (noce_process_if_block): Use delete_insn; do not care updating
+ BB boundaries.
+ (find_cond_trap): Likewise.
+ * integrate.c (save_for_inline): Use delete_related_insns.
+ (copy_insn_list): Likewise.
+ * jump.c (pruge_linie_number_notes): Likewise.
+ (duplicate_loop_exit_test): Likewise.
+ (delete_computation): Likewise.
+ (delete_related_insn): Rename from ...; use delete_insn
+ (delete_insn): ... this one.
+ (redirect_jump): Use delete_related_insns.
+ * loop.c (scan_loop): Likewise.
+ (move_movables): Likewise.
+ (find_and_verify_loops): Likewise.
+ (check_dbra_loop): Likewise.
+ * recog.c (peephole2_optimize): Likewise.
+ * reg-stack.c (delete_insn_for_stacker): Remove.
+ (move_for_stack_reg): Use delete_insn.
+ * regmove.c (combine_stack_adjustments_for_block): Likewise.
+ * reload1.c (delete_address_reloads): Use delete_related_insns.
+ (fixup_abnormal_edges): Use delete_insn.
+ * recog.c (emit_delay_sequence): Use delete_related_insns.
+ (delete_from-delay_slot): Likewise.
+ (delete_scheduled_jump): likewise.
+ (optimize_skip): Likewise.
+ (try_merge_delay_insns): Likewise.
+ (full_simple_delay_slots): Likewise.
+ (fill_slots_from_thread): Likewise.
+ (relax_delay_slots): Likewise.
+ (make_return_insns): Likewise.
+ (dbr_schedule): Likewise.
+ * rtl.h (delete_insn): Rename to delete_related_insns.
+ (delete_insn, delete_insn_chain): New prototypes.
+ * ssa-ccp (sse_fast_dce): Remove deleting of DEF, as it is done
+ by df_insn_delete already.
+ * ssa-dce.c (delete_insn_bb): Use delete_insn.
+ * ssa.c (convert_from_ssa): Use delete_related_insns.
+ * unroll.c (unroll_loop): Likewise.
+ (calculate_giv_inc): Likewise.
+ (copy_loop_body): Likewise.
+
+ * i386-protos.h (ix86_libcall_value, ix86_function_value,
+ ix86_function_arg_regno_p, ix86_function_arg_boundary,
+ ix86_return_in_memory, ix86_function_value): Declare.
+ * i386.c (x86_64_int_parameter_registers, x86_64_int_return_registers):
+ new static valurables.
+ (x86_64_reg_class): New enum
+ (x86_64_reg_class_name): New array.
+ (classify_argument, examine_argument, construct_container,
+ merge_classes): New static functions.
+ (optimization_options): Enable flag_omit_frame_pointer and disable
+ flag_pcc_struct_return on 64bit.
+ (ix86_libcall_value, ix86_function_value,
+ ix86_function_arg_regno_p, ix86_function_arg_boundary,
+ ix86_return_in_memory, ix86_function_value): New global functions.
+ (init_cumulative_args): Refuse regparm on x86_64, set maybe_vaarg.
+ (function_arg_advance): Handle x86_64 passing conventions.
+ (function_arg): Likewise.
+ * i386.h (FUNCTION_ARG_BOUNDARY): New macro.
+ (RETURN_IN_MEMORY): Move offline.
+ (FUNCTION_VALUE, LIBCALL_VALUE): Likewise.
+ (FUNCTION_VALUE_REGNO_P): New macro.
+ (FUNCTION_ARG_REGNO_P): Move offline.
+ (struct ix86_args): Add maybe_vaarg.
+ * next.h (FUNCTION_VALUE_REGNO_P): Delete.
+ * unix.h (FUNCTION_VALUE_REGNO_P): Delete.
+
+2001-09-21 Hartmut Penner <hpenner@de.ibm.com>
+
+ * s390.md: Changed attributes for scheduling.
+ * s390.c: (s390_adjust_cost, s390_adjust_priority)
+ Changed scheduling
+
+2001-09-21 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ Table-driven attributes.
+ * c-decl.c, config/alpha/alpha.c, config/arc/arc.c,
+ config/arm/arm.c, config/arm/pe.c, config/avr/avr.c,
+ config/avr/avr.h, config/d30v/d30v.h, config/fr30/fr30.h,
+ config/h8300/h8300.c, config/i386/cygwin.h, config/i386/winnt.c,
+ config/m32r/m32r.c, config/mcore/mcore.c, config/sh/sh.c,
+ config/stormy16/stormy16.h, config/v850/v850.c, doc/c-tree.texi,
+ doc/tm.texi, ggc-common.c, integrate.c, print-tree.c, tree.c,
+ tree.h: Rename DECL_MACHINE_ATTRIBUTES to DECL_ATTRIBUTES.
+ * tree.h (struct tree_decl): Change machine_attributes to
+ attributes.
+ * doc/c-tree.texi: Document that all attributes are now attached
+ to decls and types.
+ * c-common.c (add_attribute, attrtab, attrtab_idx,
+ default_valid_lang_attribute, valid_lang_attribute): Remove.
+ (attribute_tables, attributes_initialized,
+ c_common_attribute_table, default_lang_attribute_table): New
+ variables.
+ (handle_packed_attribute, handle_nocommon_attribute,
+ handle_common_attribute, handle_noreturn_attribute,
+ handle_unused_attribute, handle_const_attribute,
+ handle_transparent_union_attribute, handle_constructor_attribute,
+ handle_destructor_attribute, handle_mode_attribute,
+ handle_section_attribute, handle_aligned_attribute,
+ handle_weak_attribute, handle_alias_attribute,
+ handle_no_instrument_function_attribute,
+ handle_no_check_memory_usage_attribute, handle_malloc_attribute,
+ handle_no_limit_stack_attribute, handle_pure_attribute): New
+ functions.
+ (init_attributes, decl_attributes): Rewrite to implement
+ table-driven attributes.
+ * c-common.h (enum attribute_flags): Move to tree.h.
+ * c-format.c (decl_handle_format_attribute,
+ decl_handle_format_arg_attribute): Rename to
+ handle_format_attribute and handle_format_arg_attribute. Update
+ for table-driven attributes.
+ * c-common.h (decl_handle_format_attribute,
+ decl_handle_format_arg_attribute): Remove prototypes.
+ (handle_format_attribute, handle_format_arg_attribute): Add
+ prototypes.
+ * c-decl.c (grokdeclarator): Handle attributes nested inside
+ declarators.
+ * c-parse.in (setattrs, maybe_setattrs): Remove.
+ (maybe_type_quals_setattrs): Rename to maybe_type_quals_attrs.
+ Update to handle nested attributes properly.
+ (maybe_resetattrs, after_type_declarator,
+ parm_declarator_nostarttypename, notype_declarator, absdcl1_noea,
+ absdcl1_ea, direct_absdcl1): Update to handle nested attributes
+ properly.
+ (make_pointer_declarator): Update to handle nested attributes
+ properly.
+ * doc/extend.texi: Update documentation of limits of attributes
+ syntax. Warn about problems with attribute semantics in C++.
+ * target.h (struct target): Remove valid_decl_attribute and
+ valid_type_attribute. Add attribute_table and
+ function_attribute_inlinable_p.
+ * target-def.h (TARGET_VALID_DECL_ATTRIBUTE,
+ TARGET_VALID_TYPE_ATTRIBUTE): Remove.
+ (TARGET_ATTRIBUTE_TABLE, TARGET_FUNCTION_ATTRIBUTE_INLINABLE_P):
+ Add.
+ (TARGET_INITIALIZER): Update.
+ * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): Remove default
+ definition.
+ (function_attribute_inlinable_p): New function. Check for the
+ presence of any machine attributes before using
+ targetm.function_attribute_inlinable_p.
+ (function_cannot_inline_p): Update.
+ * Makefile.in (integrate.o): Update dependencies.
+ * doc/tm.texi: Update documentation of target attributes and
+ example definition of TARGET_VALID_TYPE_ATTRIBUTE.
+ * tree.c (default_valid_attribute_p, valid_machine_attribute):
+ Remove.
+ (default_target_attribute_table,
+ default_function_attribute_inlinable_p): New.
+ (lookup_attribute): Update comment to clarify handling of multiple
+ attributes with the same name.
+ (merge_attributes, attribute_list_contained): Allow multiple
+ attributes with the same name but different arguments to appear in
+ the same attribute list.
+ * tree.h (default_valid_attribute_p): Remove prototype.
+ (struct attribute_spec): New.
+ (default_target_attribute_table): Declare.
+ (enum attribute_flags): Move from c-common.h. Add
+ ATTR_FLAG_TYPE_IN_PLACE.
+ (default_function_attribute_inlinable_p): Declare.
+ * config/alpha/alpha.c (vms_valid_decl_attribute_p): Remove.
+ (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
+ (TARGET_ATTRIBUTE_TABLE): Define.
+ (vms_attribute_table): New.
+ * config/arc/arc.c (arc_valid_decl_attribute): Remove.
+ (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
+ (TARGET_ATTRIBUTE_TABLE): Define.
+ (arc_attribute_table, arc_handle_interrupt_attribute): New.
+ * config/arm/arm.c (arm_valid_type_attribute_p,
+ arm_valid_decl_attribute_p, arm_pe_valid_decl_attribute_p):
+ Remove.
+ (TARGET_VALID_TYPE_ATTRIBUTE, TARGET_VALID_DECL_ATTRIBUTE): Don't
+ define.
+ (TARGET_ATTRIBUTE_TABLE): Define.
+ (arm_attribute_table, arm_handle_fndecl_attribute,
+ arm_handle_isr_attribute): New.
+ * config/avr/avr.c (avr_valid_type_attribute,
+ avr_valid_decl_attribute): Remove.
+ (TARGET_VALID_DECL_ATTRIBUTE, TARGET_VALID_TYPE_ATTRIBUTE): Don't
+ define.
+ (TARGET_ATTRIBUTE_TABLE): Define.
+ (avr_attribute_table, avr_handle_progmem_attribute,
+ avr_handle_fndecl_attribute): New.
+ * config/c4x/c4x.c (c4x_valid_type_attribute_p): Remove.
+ (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
+ (TARGET_ATTRIBUTE_TABLE): Define.
+ (c4x_attribute_table, c4x_handle_fntype_attribute): New.
+ * config/h8300/h8300.c (h8300_valid_decl_attribute): Remove.
+ (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
+ (TARGET_ATTRIBUTE_TABLE): Define.
+ (h8300_attribute_table, h8300_handle_fndecl_attribute,
+ h8300_handle_eightbit_data_attribute,
+ h8300_handle_tiny_data_attribute): New.
+ * config/i386/i386-protos.h (ix86_valid_type_attribute_p,
+ i386_pe_valid_decl_attribute_p, i386_pe_valid_type_attribute_p):
+ Remove prototypes.
+ (ix86_handle_dll_attribute, ix86_handle_shared_attribute): New
+ declarations.
+ * config/i386/i386.c (ix86_valid_type_attribute_p: Remove.
+ (TARGET_VALID_TYPE_ATTRIBUTE, TARGET_VALID_DECL_ATTRIBUTE): Don't
+ define.
+ (TARGET_ATTRIBUTE_TABLE): Define.
+ (ix86_attribute_table, ix86_handle_cdecl_attribute,
+ ix86_handle_regparm_attribute): New.
+ * config/i386/winnt.c (i386_pe_valid_decl_attribute_p,
+ i386_pe_valid_type_attribute_p): Remove.
+ (ix86_handle_dll_attribute, ix86_handle_shared_attribute): New.
+ * config/ia64/ia64.c (ia64_valid_type_attribute): Remove.
+ (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
+ (TARGET_ATTRIBUTE_TABLE): Define.
+ (ia64_attribute_table): New.
+ * config/m32r/m32r.c (m32r_valid_decl_attribute, interrupt_ident1,
+ interrupt_ident2, model_ident1, model_ident2): Remove.
+ (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
+ (TARGET_ATTRIBUTE_TABLE): Define.
+ (init_idents): Update.
+ (m32r_attribute_table, m32r_handle_model_attribute): New.
+ * config/m68hc11/m68hc11.c (m68hc11_valid_type_attribute_p):
+ Remove.
+ (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
+ (TARGET_ATTRIBUTE_TABLE): Define.
+ (m68hc11_attribute_table, m68hc11_handle_fntype_attribute): New.
+ * config/mcore/mcore.c (mcore_valid_decl_attribute): Remove.
+ (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
+ (TARGET_ATTRIBUTE_TABLE): Define.
+ (mcore_attribute_table, mcore_handle_naked_attribute): New.
+ * config/ns32k/ns32k.c (ns32k_valid_type_attribute_p): Remove.
+ (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
+ (TARGET_ATTRIBUTE_TABLE): Define.
+ (ns32k_attribute_table, ns32k_handle_fntype_attribute): New.
+ * config/rs6000/rs6000.c (rs6000_valid_type_attribute_p): Remove.
+ (TARGET_VALID_TYPE_ATTRIBUTE): Don't define.
+ (TARGET_ATTRIBUTE_TABLE): Define.
+ (rs6000_attribute_table, rs6000_handle_longcall_attribute): New.
+ * config/sh/sh.c (sh_valid_decl_attribute): Remove.
+ (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
+ (TARGET_ATTRIBUTE_TABLE): Define.
+ (sh_attribute_table, sh_handle_interrupt_handler_attribute,
+ sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
+ New.
+ * config/stormy16/stormy16.c (stormy16_valid_type_attribute):
+ Remove.
+ (TARGET_VALID_TYPE_ATTRIBUTE): Don't define
+ (TARGET_ATTRIBUTE_TABLE): Define.
+ (stormy16_attribute_table, stormy16_handle_interrupt_attribute):
+ New.
+ * config/v850/v850.c (v850_valid_decl_attribute): Remove.
+ (TARGET_VALID_DECL_ATTRIBUTE): Don't define.
+ (TARGET_ATTRIBUTE_TABLE): Define.
+ (v850_attribute_table, v850_handle_interrupt_attribute,
+ v850_handle_data_area_attribute): New.
+ * config/v850/v850-c.c (mark_current_function_as_interrupt):
+ Return void. Call decl_attributes instead of
+ valid_machine_attribute.
+
+Fri Sep 21 01:49:41 2001 J"orn Rennecke <amylaar@redhat.com>
+
+ * sh-protos.h (sh_pr_n_sets): Declare.
+ * sh.c (calc_live_regs): If the initial value for PR has been copied,
+ look at the copy to determine if PR needs to be saved.
+ sh_pr_n_sets: New function.
+ * sh.h (RETURN_ADDR_RTX): Use get_hard_reg_initial_val.
+ (ALLOCATE_INITIAL_VALUE): Define.
+
+ * sh.c (initial_elimination_offset):
+ Fix RETURN_ADDRESS_POINTER_REGNUM case.
+
+Fri Sep 21 01:13:56 2001 J"orn Rennecke <amylaar@redhat.com>
+
+ * integrate.c (allocate_initial_values): New function.
+ * integrate.h (allocate_initial_values): Declare.
+ * local-alloc.c (local_alloc): Move call to allocate_reg_info from
+ here...
+ * reload1.c (reload): And initialization of reg_equiv_memory_loc
+ from here...
+ * toplev.c (rest_of_compilation): To here.
+ Call allocate_initial_values.
+ * tm.texi: add description for ALLOCATE_INITIAL_VALUE.
+
+Thu Sep 20 09:00:27 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * ggc-page.c (ggc_marked_p): Properly convert return to boolean.
+
+2001-09-20 DJ Delorie <dj@redhat.com>
+
+ * c-typeck.c (really_start_incremental_init): Discriminate
+ between zero-length arrays and flexible arrays.
+ (push_init_level): Detect zero-length arrays and handle them
+ like fixed-sized arrays.
+ * expr.c (store_constructor): Handle zero-length arrays and
+ flexible arrays correctly.
+ * doc/extend.texi: Update zero-length array notes.
+
+2001-09-20 Jim Wilson <wilson@redhat.com>
+
+ * config/ia64/ia64.c (itanium_split_issue): Allow max 2 FP per cycle.
+ (insn_matches_slot): Handle TYPE_L and TYPE_X slots when checking
+ for issue port conflicts.
+ (cycle_end_fill_slots): TYPE_L instructions take two slots.
+
+2001-09-20 Andrew MacLeod <amacleod@redhat.com>
+
+ * testsuite/gcc.c-torture/execute/990208-1.x: New. XFAIL at -O3
+ on ia64.
+
+Thu Sep 20 09:00:27 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * fold-const.c (hashtab.h): Include.
+ (int_const_binop): Remove FORSIZE arg and compute from type; all
+ callers changed.
+ Call size_int_type_wide for all single-word constants.
+ (size_htab_hash, size_htab_eq): New functions.
+ (size_int_type_wide): Rework to use hash table.
+ * ggc-common.c (hashtab.h): Include.
+ (struct d_htab_root): New struct.
+ (d_htab_roots): New variable.
+ (ggc_add_deletable_htab, ggc_htab_delete): New functions
+ (ggc_mark_roots): Handle deletable htabs.
+ * ggc-page.c (ggc_marked_p): New function.
+ * ggc-simple.c (ggc_marked_p): Likewise.
+ * ggc.h: Reformatting throughout.
+ (ggc_marked_p, ggc_add_deletable_htab): New declarations.
+ * tree.c (init_obstacks): Make type_hash_table a deletable root.
+ (type_hash_add): Allocate struct type_hash from GC memory.
+ (mark_hash_entry, mark_type_hash): Deleted.
+ (type_hash_marked_p, type_hash_mark): New functions.
+ * Makefile.in (ggc-common.o, fold-const.o): Include hashtab.h.
+
+Thu Sep 20 12:49:34 2001 J"orn Rennecke <amylaar@redhat.com>
+
+ * sh.c (shiftcosts): Don't use shiftcosts array for modes wider
+ than SImode.
+
+Thu Sep 20 09:00:27 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * stor-layout.c (layout_type, case ARRAY_TYPE): Kludge to disable
+ array-too-large test for signed sizetype.
+
+Thu Sep 20 12:19:36 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * i386.md (indirect_jump): Allow Pmode operand.
+ (tablejump): LIkewise; perform expansion to 64bit mode.
+ * i386.c (symbolic_operand): Allow 64bit PIC references.
+ (pic_symbolic_operand): Likewise.
+ (ix86_find_base_term): Strip the 64bit PIC references.
+ (legitimate_pic_address_disp_p): Handle 64bit PIC.
+ (legitimize_pic_address): Likewise.
+ (i386_simplify_dwarf_addr): Strip down the 64bit PIC references.
+ * i386.h (CASE_VECTOR_MODE): Set to SImode for 64bit PIC compilation.
+
+2001-09-19 Alexandre Petit-Bianco <apbianco@redhat.com>
+
+ * stringpool.c (get_identifier_with_length): New function.
+ * tree.h (get_identifier_with_length): New prototype.
+
+2001-09-19 Alan Modra <amodra@bigpond.net.au>
+ David Edelsohn <edelsohn@gnu.org>
+
+ Revert:
+ * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
+ already sign-extended.
+
+ * config/rs6000/aix.h (INIT_TARGET_OPTABS): Define TFmode handlers.
+ * config/rs6000/rs6000.c (logical_operand): Always compare op as
+ HOST_WIDE_INT.
+ (rs6000_emit_set_long_const): Avoid unnecessary shift.
+ (output_profile_hook): Declare label_name const.
+ * config/rs6000/rs6000.md (boolcsi3, boolcdi3): Change predicates
+ to match constraints.
+
+2001-09-19 Stan Shebs <shebs@apple.com>
+
+ * alias.c: Fix typos in comments.
+ * sched-rgn.c (init_ready_list): Ditto.
+ * unwind-dw2.c (uw_frame_state_for): Ditto.
+ * unwind-dw2-fde.c (_Unwind_Find_FDE): Ditto.
+ * unwind.inc (_Unwind_RaiseException_Phase2): Ditto.
+ * config/rs6000/rs6000.c (rs6000_adjust_priority): Ditto.
+
+2001-09-19 Richard Henderson <rth@redhat.com>
+
+ * cfg.c (force_nonfallthru_and_redirect): Handle redirecting
+ to the exit block.
+ * Makefile.in (cfg.o): Depend on TM_P_H.
+
+2001-09-19 Richard Henderson <rth@redhat.com>
+
+ * config/alpha/alpha.c (local_symbol_p): Split out from ...
+ (local_symbolic_operand): ... here.
+ (small_symbolic_operand): Check mode.
+ (global_symbolic_operand): New.
+ (input_operand): Reject symbolics if explicit relocs.
+ (call_operand): Tidy.
+ (alpha_legitimize_address): Use movdi_er_high_g.
+ (alpha_expand_mov): Likewise.
+ * config/alpha/alpha-protos.h: Update.
+ * config/alpha/alpha.h (PREDICATE_CODES): Update.
+ * config/alpha/alpha.md (UNSPEC_LITERAL, UNSPEC_LITUSE): New.
+ (UNSPEC_LDGP2, UNSPECV_PLDGP2): New.
+ (UNSPECV_LDGP2): Remove.
+ (all call patterns): Use 's' not 'i' for symbolic constraint.
+ (call_osf call_value_osf): Use call_operand.
+ (all osf call patterns): Use $gp. New peepholes for explicit relocs.
+ (movdi_er_nofix, movdi_er_fix): Remove symbolic alternative.
+ (prologue_ldgp_1_er): Remove.
+ (ldgp_er_1, ldgp_er_2, prologue_ldgp_er_2): New.
+ (builtin_setjmp_receiver_er patterns): Use them.
+ (exception_receiver_er): Likewise.
+
+2001-09-19 Richard Henderson <rth@redhat.com>
+
+ * cfgbuild.c (find_sub_basic_blocks): Handle insns that can throw.
+
+ * emit-rtl.c (try_split): Copy NORETURN, SETJMP, ALWAYS_RETURN
+ and NON_LOCAL_GOTO notes.
+ * recog.c (peephole2_optimize): Likewise. Handle EH_REGION;
+ copy over CALL_INSN_FUNCTION_USAGE.
+
+2001-09-18 Catherine Moore <clm@redhat.com>
+
+ * config/stormy16/stormy16.h (DEFAULT_PCC_STRUCT_RETURN):
+ Define as 0.
+
+2001-09-18 Ulrich Weigand <uweigand@de.ibm.com>:
+
+ * config.gcc (s390-*-linux-*, s390x-*-linux*): Switch to
+ new-style tm_file specification. Specify correct tm_p_file,
+ md_file, and out_file for s390x.
+
+ * config/s390/linux.h, linux64.h: Don't include other target
+ macro header files. Now handled via tm_file.
+
+ * config/s390/linux.h, s390.h: (IEEE_FLOAT, TARGET_IEEE_FLOAT,
+ TARGET_IBM_FLOAT): Move from linux.h to s390.h to ensure they
+ are defined before use.
+
+Tue Sep 18 09:51:11 2001 Eric Christopher <ecechristo@redhat.com>
+
+ * config/mips/mips.c (mips_asm_file_start): Conditionalize Elf
+ code generation only for Gnu assembler.
+
+2001-09-18 Catherine Moore <clm@redhat.com>
+
+ * config/stormy16 (LIB_SPEC): Remove -lnosys.
+
+2001-09-18 Richard Sandiford <rsandifo@redhat.com>
+
+ * config/mips/mips.c (mips_frame_set): New.
+ (mips_emit_frame_related_store): When storing two 32-bit FPRs, use
+ a parallel frame-related expression with a set for each register.
+
+2001-09-18 Philip Blundell <philb@gnu.org>
+
+ * config/arm/lib1funcs.asm (L_dvmd_lnx): Don't rely on kernel
+ header files.
+
+2001-09-17 Dale Johannesen <dalej@apple.com>
+
+ * config/rs6000/rs6000.h (FIXED_REGISTERS): Use FIXED_R2.
+ * config/rs6000/aix.h (FIXED_R2): Define.
+ * config/rs6000/darwin.h (FIXED_R2): Define.
+ * config/rs6000/sysv4.h (FIXED_R2): Define.
+
+2001-09-17 Jeff Sturm <jsturm@one-point.com>
+
+ * except.c (dw2_build_landing_pads): New local
+ clobbers_hard_regs. Emit an ASM_INPUT as a scheduling
+ barrier after clobbers. Fixes c++/4012.
+
+2001-09-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * gcc.c (find_file): Use ACONCAT in lieu of alloca/strcpy/strcat.
+
+2001-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * dostage2, dostage3, listing, make-l2.com, makefile.vms,
+ patch-apollo-includes, vmsconfig.com: Remove obsolete files.
+
+2001-09-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * c-aux-info.c (affix_data_type): Use ASTRDUP in lieu of
+ alloca/strcpy.
+
+2001-09-17 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cpphash.h (_cpp_lex_direct): New.
+ * cpplex.c (_cpp_lex_token): Update.
+ (lex_token): Rename _cpp_lex_direct; lex into pfile->cur_token,
+ and increment that pointer.
+ * cppmacro.c (alloc_expansion_token): New.
+ (lex_expansion_token): Lex macro expansion directly into
+ macro storage.
+
+2001-09-16 Brad Lucier <lucier@math.purdue.edu>
+
+ * Makefile.in: Make rtl-error.o depend on $(CONFIG_H).
+
+Sun Sep 16 21:59:46 CEST 2001 Jan hubicka <jh@suse.cz>
+
+ * basic-block.h (free_bb_for_insn): Declare.
+ * bb-reorder.c (label_for_bb): Use block_label.
+ (emit_jump_to_block_after): Remove.
+ (insert_intra_1): Do not update block_for_insn.
+ (insert_inter_bb_scope_notes): Likewise; update bb->end
+ * cfg.c (free_bb_for_insn): New.
+ (try_rediret_by_replacing_jump): Avoid set_block_for_new_insns call.
+ (force_nonfallthru_and_redirect): Likewise; do not update BB boundaries.
+ (commit_one_edge_insertion): Likewise.
+ (commit_one_edge_insertion): Do not update BB boundary.
+ (commit_edge_insertions): Do not call compute_bb_for_insn.
+ * cfgbuild.c (find_basic_blocks): Do not free basic_block_for_insn.
+ * cfgcleanup.c (merge_blocks_move_predecessor): Use reorder_insns_nobb.
+ (merge_blocks_move_successor_nojumps): Likewise.
+ (try_crossjump_to_edge): Do not update block_for_insn.
+ * combine.c (combine_instructions): Remove compute_bb_for_insn call.
+ * df.c (df_pattern_emit_later): Do not update BB boundary.
+ (df_jump_pattern_emit_after): Likewise.
+ (df_insn_move_before): Use emit_insn_before.
+ * emit-rtl.c (try_split): Emit after trial to get bb boundary updated
+ properly.
+ (add_insn_after, add_insn_before, emit_insns_after): Update BB
+ boundaries and basic_block_for_insn.
+ (reorder_insns_nobb): Rename from reorder_insns.
+ (reorder_insns): New.
+ (emit_block_insn_before, emit_block_insn_after): Kill.
+ * flow.c (check_function_return_warnings): Do not call
+ compute_bb_for_insn; Do not free basic_block_for_insn.
+ (attempt_auto_inc): Do not update basic_block_for_insn.
+ * function.c (emit_return_into_block): Likewise;
+ do not update BB boundaries.
+ * gcse.c (handle_avail_expr): Do not update basic_block_for_insn.
+ (insert_insn_end_bb): Use emit_insn_before; Likewise.
+ (pre_insert_copy_insn): Likewise.
+ (update_ld_motion_notes): Likewise.
+ (insert_insn_start_bb): Likewise.
+ (replace_store_insn): Likewise.
+ * ifcvt.c (noce_process_if_block): Likewise.
+ (if_convert): Do not call compute_bb_for_insn.
+ * lcm.c (optimize_mode_switching): Do not update BB boundaries.
+ Use emit_insn_before and emit_insn_after.
+ * recog.c (split_all_insns): Do not update BB boundaries;
+ Do not call compute_bb_for_insn.
+ (peephole2_optimize): Do not update BB boundaries.
+ * reg-stack.c (emit_pop_insn): Use emit_insn_after and
+ emit_insn_before.
+ (emit_swap_insn): Likewise.
+ (convert_regs_1): Likewise.
+ * reload1.c (reload): Call compute_bb_for_insn.
+ * rtl.h (reorder_insns_nobb): Declare.
+ * ssa.c (rename_equivalent_regs): Use emit_insn_before.
+ * toplev.c (rest_of_compilation): Call free_bb_for_insn
+ at places CFG is invalidated; do not call compute_bb_for_insn.
+
+ * cfg.c (expunge_block): Invalidate BB structure.
+
+ * (merge_blocks_nomove): Update properly BLOCK_FOR_INSN
+ array.
+
+ * cfg.c (verify_flow_info): Verify the basic_block_for_insn array.
+
+2001-09-16 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cpphash.h (_cpp_lex_token): Update prototype.
+ * cpplex.c (_cpp_lex_token): New prototype.
+ * cpplib.c (skip_rest_of_line, check_eol, _cpp_handle_directive,
+ lex_macro_node, read_flag, do_pragma_poison): Update.
+ * cppmacro.c (cpp_get_token, parse_params,
+ lex_expansion_token): Update.
+
+2001-09-16 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cppmain.c (scan_translation_unit): Don't worry about
+ putting a space after hashes.
+ * cpplib.c (directive_diagnostics): New.
+ (_cpp_handle_directive): Update to use directive_diagnostics.
+ (run_directive): Don't toggle prevent_expansion.
+ (do_line): Backup in case of the line extension.
+ * cpplib.h (cpp_lexer_pos): Remove.
+ * cppmacro.c (_cpp_create_definition): Precede a leading #
+ with whitespace.
+
+2001-09-15 Richard Henderson <rth@redhat.com>
+
+ * c-typeck.c (comptypes): Handle zero-length arrays properly.
+
+2001-09-15 Roman Lechtchinsky <rl@cs.tu-berlin.de>
+
+ * c-common.c (c_promoting_integer_type_p): Handle ?Imode types.
+
+2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ PR preprocessor/3571
+ * tradcpp.c (handle_directive): Skip non-vertical space.
+
+2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cppmain.c (setup_callbacks): Set line callback only
+ if outputting preprocessed source.
+
+2001-09-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * collect2.c (main): Const-ification.
+ * gcc.c (translate_options, process_command): Use xstrdup in
+ lieu of xmalloc/strcpy.
+ (main): Use concat in lieu of xmalloc/strcpy/strcat.
+
+2001-09-14 Roman Lechtchinsky <rl@cs.tu-berlin.de>
+
+ * doc/install.texi (Specific, alphaev5-cray-unicosmk*): Fix
+ example.
+
+2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * scan-decls.c (scan_decls): Fix typo.
+
+2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cpphash.h (struct cpp_reader): Remove lexer_pos, directive_pos.
+ Split mlstring_pos into mls_line and mls_col.
+ * cppinit.c (cpp_create_reader): Initialize line to 1.
+ (cpp_destroy): Free tokenruns.
+ (push_include): Don't update lexer_pos.
+ * cpplex.c (unterminated, parse_string): Update.
+ (lex_token): Don't update lexer_pos, update.
+ * cpplib.c (if_stack): Save line instead of line + col.
+ (start_directive, _cpp_do__Pragma, do_else, do_elif,
+ push_conditional, _cpp_pop_buffer): Update.
+ * cppmacro.c (funlike_invocation_p): Don't save lexer_pos.
+ (_cpp_create_definition): Update.
+
+2001-09-15 Eric Christopher <echristo@redhat.com>
+
+ * config/mips/abi64.h: Add support for MEABI.
+
+2001-09-15 Eric Christopher <echristo@redhat.com>
+
+ * config/mips/mips.md: Add unspec #2.
+ (reload_indi): Use.
+ (reload_outdi): Ditto.
+ (reload_outsi): Ditto.
+ (HILO_delay): New.
+
+2001-09-15 Eric Christopher <echristo@redhat.com>
+ Jason Eckhardt <jle@redhat.com>
+
+ * config.gcc: Add mipsisa32 target and mipsisa32-linux target.
+ * config/mips/isa32-linux.h: New file.
+ * config/mips/isa3264.h: Ditto.
+ * config/mips/mips-protos.h: Add mips_hard_regno_nregs.
+ * config/mips/mips.c (mips_hard_regno_nregs): Move here from mips.h.
+ (output_block_mode): Support MEABI.
+ (function_arg): Ditto. Fix floating point arg passing.
+ (mips_va_start): Ditto.
+ (override_options): Add isas 32 and 64, meabi, mips32 and mips64
+ processors.
+ (mips_asm_file_start): Add new section to pass abi to gdb.
+ (function_arg_pass_by_reference): Support MEABI.
+ (mips_parse_cpu): Support mips32 and mips64 processors.
+ * config/mips/mips.h: Support ABI_MEABI, TARGET_MIPS4KC,
+ TARGET_MIPS5KC. Support isa32 and isa64.
+ (processor_type): Add r4kc, r5kc, r20kc.
+ (GENERATE_MULT3_SI): New.
+ (GENERATE_MULT3_DI): Ditto.
+ (GENERATE_MULT3): Remove.
+ (ISA_HAS_64BIT_REGS): Add isa == 64.
+ (ISA_HAS_8CC): Add mips_isa = 32 and 64.
+ (ISA_HAS_MADD_MSUB): New.
+ (ISA_HAS_CLZ_CLO): Ditto.
+ (ISA_HAS_DCLZ_DCLO): Ditto.
+ (ABI_GAS_ASM_SPEC): New.
+ (GAS_ASM_SPEC): Use. Add support for mips32, mips64.
+ (ASM_SPEC): Ditto.
+ (LINK_SPEC): Ditto.
+ (SUBTARGET_CC1_SPEC): Ditto.
+ (SUBTARGET_CPP_SIZE_SPEC): Ditto.
+ (PAD_VARARGS_DOWN): Support MEABI.
+ (HARD_REGNO_NREGS): Move to mips.c.
+ (ASM_OUTPUT_IDENT): Add #undef.
+ * config/mips/mips.md: Add r4kc, r5kc, r20kc.
+ (mulsi3): Use GENERATE_MULT3_SI.
+ (mulsi3_mult3): Ditto. Support mips32, mips64.
+ (mul_acc_si): Use ISA_HAS_MADD_MSUB.
+ (mul_sub_si): New pattern.
+ (unnamed splitters): New.
+ (muldi3): Use GENERATE_MULT3_DI.
+ (muldi3_internal2): Ditto.
+ (movdicc): Support mips32.
+ * config/mips/t-isa3264: New file.
+
+2001-09-15 Hans-Peter Nilsson <hp@axis.com>
+
+ * rtl.h (FIND_REG_INC_NOTE) [HAVE_PRE_INCREMENT
+ || HAVE_PRE_DECREMENT || HAVE_POST_INCREMENT
+ || HAVE_POST_DECREMENT]: Call find_regno_note for REGs.
+
+ * reorg.c (fill_slots_from_thread): After call to
+ steal_delay_list_from_target, update own_thread as new_thread may
+ have branched.
+
+2001-09-14 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cpperror.c (print_location): Take line and column, for
+ default positioning use the previously lexed token.
+ (_cpp_begin_message): Take line and column.
+ (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
+ cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line): Update.
+ * cpphash.h (_cpp_begin_message): Update prototype.
+ * cppinit.c (push_include): Don't set output line.
+ * cpplex.c (_cpp_lex_token): Callback for start of new output lines.
+ * cpplib.c (do_diagnostic, _cpp_pop_buffer): Update.
+ (do_pragma): Kludge for front ends. Don't expand macros at all.
+ * cpplib.h (cpp_lookahead, cpp_token_with_pos, cpp_get_line): Remove.
+ (struct cpp_token): Remove output_line.
+ (struct cpp_callbacks): New member line_change.
+ * cppmacro.c (builtin_macro, paste_all_tokens, replace_args,
+ cpp_get_token): Preserve BOL flag.
+ (cpp_get_line): Remove.
+ (_cpp_backup_tokens): Remove useless abort().
+ * cppmain.c (cb_line_change): New.
+ (scan_translation_unit): Don't worry about starting new lines here.
+ * scan-decls.c (scan_decls): Update.
+ * c-lex.c (c_lex, init_c_lex): Update.
+ (cb_line_change, src_lineno): New.
+
+Fri Sep 14 13:54:50 EDT 2001 John Wehle (john@feith.com)
+
+ * tree.c (append_random_chars): Generate the random
+ characters in a reproducable fashion.
+
+2001-09-14 Richard Henderson <rth@redhat.com>
+
+ * config/i386/i386.c (internal_label_prefix): New.
+ (internal_label_prefix_len): New.
+ (override_options): Set them.
+ (local_symbolic_operand): New.
+ (legitimate_pic_address_disp_p): Use it.
+ (legitimize_pic_address): Likewise.
+
+2001-09-14 Marc Espie <espie@openbsd.org>
+
+ * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Generate reference to GOT
+ correctly.
+
+2001-09-14 Roman Lechtchinsky <rl@cs.tu-berlin.de>
+
+ * config/alpha/alpha.md (unaligned_extendhidi_be): Fix.
+ * config/alpha/unicosmk.h (INIT_TARGET_OPTABS): New.
+
+2001-09-14 Nick Clifton <nickc@cambridge.redhat.com>
+
+ * rtlanal.c (subreg_regno_offset): Add semicolon to end of
+ invocation of SUBREG_REGNO_OFFSET.
+
+ * haifa-sched.c: Fix typo in FSF copyright statement.
+ * sched-deps.c: Fix typo in FSF copyright statement.
+ * sched-ebb.c: Fix typo in FSF copyright statement.
+ * sched-rgn.c: Fix typo in FSF copyright statement.
+ * sched-vis.c: Fix typo in FSF copyright statement.
+
+ * config.gcc: Move inclusion of arm elf specific header files
+ from the files themselves into the tm_file variable. Make
+ sure that elfos.h is included before target specific elf
+ headers.
+ * config/arm/aout.h (NO_DOLLAR_IN_LABEL): Only define if not
+ already defined.
+ (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Protect definition.
+ * config/arm.arm.h (TARGET_MEM_FUNCTIONS,
+ ASM_OUTPUT_CASE_LABEL): Protect definition.
+ (CC1_SPEC, FP_DEFAULT, ARM_FUNCTION_PROFILE): Only define if
+ not already defined.
+ * config/arm/conix-elf.h: (USER_LABEL_PREFIX,
+ LOCAL_LABEL_PREFIX, MAKE_DECL_ONE_ONLY, UNIQUE_SECTION):
+ Remove duplicate definition.
+ (READONLY_DATA_SECTION, SUBTARGET_EXTRA_SECTION,
+ (SUBTARGET_EXTRA_SECTION_FUNCTION, RDATA_SECTION_ASM_OP,
+ (RDATA_SECTION_FUNCTION): Remove redundant definition.
+ (STARTFILE_SPEC, ENDFILE_SPEC): Protect definition.
+ Remove inclusion of arm/elf.h.
+ * config/arm/unknown-elf.h: as for conix-elf.h.
+ (STARTFILE_SPEC): Include crti.o and crtn.o.
+ * config/arm/linux-elf.h: as for conix-elf.h.
+ * config/arm/ecos-elf.h: Remove inclusion of unknown-elf.h.
+ * config/arm/strongarm-elf.h: Remove inclusion of
+ unknown-elf.h.
+ * config/arm/xscale-elf.h: Remove inclusion of unknown-elf.h.
+ * config/arm/unknown-elf-oabi.h: Remove inclusion of
+ unknown-elf.h and elf.h.
+ * config/arm/uclinux-elf.h: Remove inclusion of linux-elf.h.
+ * config/arm/linux-gas.h (DBX_DEBUGGING_INFO,
+ ASM_WEAKEN_LABEL): Remove redundant definition.
+ * config/arm/elf.h: Test for inclusion of elfos.h
+ (USER_LABEL_PREFIX, ASM_DECLARE_RESULT, ASM_DECLARE_RESULT,
+ ASM_DECLARE_OBJECT_NAME, ASM_FINISH_DECLARE_OBJECT_NAME,
+ SUBTARGET_EXTRA_SECTION, SUBTARGET_EXTRA_SECTION_FUNCTION,
+ EXTRA_SECTIONS, INT_ASM_OP, ASM_WEAKEN_LABEL): Remove
+ redundant definition.
+ (TYPE_OPERAND_FMT, ASM_DECLARE_FUNCTION_NAME,
+ ASM_DECLARE_FUNCTION_SIZE, ASM_OUTPUT_INTERNAL_LABEL,
+ ASM_OUTPUT_ALIGNED_COMMON): Protect definition.
+ * t-arm-elf (EXTRA_MULTILIB_PARTS): Add crti.o and crtn.o.
+ Add rules to build crti.o and crtn.o
+ * crti.asm: New file.
+ * crtn.asm: New file.
+
+2001-09-13 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * c-parse.in (_yylex): Use _cpp_backup_tokens.
+ * cpphash.h (struct tokenrun): Add prev.
+ (struct lexer_state): Remove bol.
+ (struct cpp_reader): Remove old lookahead stuff, add lookaheads.
+ (_cpp_free_lookaheads, _cpp_release_lookahead, _cpp_push_token)
+ : Remove.
+ * cppinit.c (cpp_create_reader): Don't set bol.
+ (cpp_destroy): Don't free lookaheads.
+ * cpplex.c (lex_directive): Remove.
+ (next_tokenrun): Update.
+ (_cpp_lex_token): Clean up logic.
+ (lex_token): Update to return a pointer to lexed token, since it
+ can move to the start of the buffer. Simpify newline handling.
+ * cpplib.c (SEEN_EOL): Update.
+ (skip_rest_of_line): Remove lookahead stuff.
+ (end_directive): Line numbers are already incremented. Revert
+ to start of lexed token buffer if we can.
+ (_cpp_handle_directive, do_pragma, do_pragma_dependency,
+ parse_answer): Use _cpp_backup_tokens.
+ (run_directive, cpp_pop_buffer): Don't set bol, set saved_flags
+ instead. Don't check for EOL.
+ (do_include_common, do_line, do_pragma_system_header): Use
+ skip_rest_of_line.
+ * cpplib.h (BOL, _cpp_backup_tokens): New.
+ * cppmacro.c (save_lookahead_token, take_lookahead_token,
+ alloc_lookahead, free_lookahead, _cpp_free_lookaheads,
+ cpp_start_lookahead, cpp_stop_lookahead, _cpp_push_token): Remove.
+ (builtin_macro): Don't use cpp_get_line.
+ (cpp_get_line): Short term kludge.
+ (parse_arg): Handle directives in arguments here. Back up when
+ appropriate. Store EOF at end of argument list.
+ (funlike_invocation_p): Use _cpp_backup_tokens.
+ (push_arg_context): Account for EOF at end of list.
+ (cpp_get_token): Remove lookahead stuff. Update.
+
+2001-09-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * c-parse.in (yyerror): Const-ification and/or static-ization.
+ * c-typeck.c (push_member_name): Likewise.
+ * collect2.c (main): Likewise.
+ * dbxout.c (dbxout_parms): Likewise.
+ * diagnostic.c (format_with_decl): Likewise.
+ * dwarf2out.c (output_ranges): Likewise.
+ * dwarfout.c (fundamental_type_code): Likewise.
+ * except.c (dw2_output_call_site_table): Likewise.
+ * gcc.c (do_spec_1): Likewise.
+ * genopinit.c (optabs): Likewise.
+ * objc/objc-act.c (synth_id_with_class_suffix, start_class,
+ gen_declaration_1, handle_impent): Likewise.
+ * protoize.c (default_include, in_system_include_dir, abspath):
+ Likewise.
+ * sched-vis.c (visualize_stall_cycles): Likewise.
+ * sdbout.c (plain_type_1, sdbout_end_function,
+ sdbout_end_epilogue): Likewise.
+ * varasm.c (decode_reg_name): Likewise.
+
+ * 1750a.c (mod_regno_adjust): Likewise.
+ * alpha.c (alpha_write_one_linkage,
+ unicosmk_output_default_externs): Likewise.
+ * arm.c (arm_condition_codes): Likewise.
+ * arm.h (arm_condition_codes): Likewise.
+ * avr.c (output_movsisf, encode_section_info): Likewise.
+ * darwin.h (GEN_BINDER_NAME_FOR_STUB, GEN_SYMBOL_NAME_FOR_SYMBOL):
+ Likewise.
+ * i386.c (hi_reg_name, qi_reg_name, qi_high_reg_name): Likewise.
+ * i386.h (hi_reg_name, qi_reg_name, qi_high_reg_name): Likewise.
+ * m88k.c (output_function_profiler): Likewise.
+ * mips.c (mips_output_conditional_branch): Likewise.
+ * ns32k.c (ns32k_out_reg_names): Likewise.
+ * ns32k.h (ns32k_out_reg_names): Likewise.
+ * pj.c (pj_output_rval): Likewise.
+ * rs6000.c (GEN_LOCAL_LABEL_FOR_SYMBOL): Likewise.
+ * sparc.c (sparc_flat_function_prologue,
+ sparc_flat_function_epilogue): Likewise.
+
+2001-09-13 Markus Werle <numerical.simulation@web.de>
+ Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
+
+ * doc/install.texi (Binaries): Add "Binaries for HP-UX 11.00 at
+ Aachen University of Technology".
+
+2001-09-13 Andreas Schwab <schwab@suse.de>
+
+ * config/float-m68k.h: Define DECIMAL_DIG and FLT_EVAL_METHOD for
+ C99.
+
+2001-09-13 Richard Henderson <rth@redhat.com>
+
+ * config/alpha/alpha.c (small_symbolic_operand): New.
+ (override_options): Set MASK_SMALL_DATA based on pic/PIC.
+ (some_operand, input_operand): Don't handle HIGH.
+ (alpha_legitimize_address): Use it. Emit HIGH with PLUS gp.
+ (alpha_expand_mov): Likewise.
+ (print_operand) [H]: Just print HIGH symbol.
+ (print_operand_address): Handle small data.
+ * config/alpha/alpha.h (MASK_SMALL_DATA, TARGET_SMALL_DATA): New.
+ (TARGET_SWITCHES): Add -msmall-data/large-data.
+ (PIC_OFFSET_TABLE_REGNUM): New.
+ (PREFERRED_RELOAD_CLASS): Don't handle HIGH.
+ (PREDICATE_COES): Update.
+ * config/alpha/alpha.md (adddi_er_high): New.
+ (adddi_er_low): Handle small data.
+ * config/alpha/elf.h (DO_SELECT_SECTION): If SMALL_DATA,
+ prefer .sdata to .rodata.
+ (SELECT_RTX_SECTION): Likewise.
+
+2001-09-12 Josh Martin <josh.martin@abq.sc.philips.com>
+
+ * fixinc/inclhack.def(hpux11_size_t): Keep HP-UX headers from
+ defining __size_t and leaving size_t undefined.
+
+2001-09-12 Diego Novillo <dnovillo@redhat.com>
+
+ * basic-block.h (expunge_block): Declare.
+ * cfg.c (expunge_block): Remove static declaration.
+
+2001-09-12 Richard Henderson <rth@redhat.com>
+
+ * integrate.c (copy_insn_list): Copy label name from
+ NOTE_INSN_DELETED_LABEL.
+
+2001-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * c-common.c (c_tree_code_name): Const-ification.
+ * c-decl.c (c_decode_option): Likewise.
+ * c-typeck.c (warn_for_assignment): Likewise.
+ * collect2.c (libexts, is_ctor_dtor, main, ignore_library):
+ Likewise.
+ * cppinit.c (output_deps): Likewise.
+ * dependence.c (dependence_string, direction_string): Likewise.
+ * dwarf2out.c (output_ranges): Likewise.
+ * fixinc/fixfixes.c (emit_gnu_type): Likewise.
+ * fixinc/gnu-regex.c (re_error_msgid): Likewise.
+ * gcc.c (standard_exec_prefix, standard_exec_prefix_1,
+ standard_startfile_prefix, standard_startfile_prefix_1,
+ standard_startfile_prefix_2, tooldir_base_prefix,
+ standard_bindir_prefix, find_a_file): Likewise.
+ * genattrtab.c (make_length_attrs): Likewise.
+ * gencheck.c (tree_codes): Likewise.
+ * genemit.c (gen_split): Likewise.
+ * genrecog.c (special_mode_pred_table): Likewise.
+ * graph.c (graph_ext): Likewise.
+ * protoize (default_include): Likewise.
+ * reload.c (reload_when_needed_name): Likewise.
+ * sched-vis.c (visualize_stall_cycles): Likewise.
+ * tlink.c (recompile_files): Likewise.
+ * toplev.c (decode_g_option): Likewise.
+ * tradcpp.c (output_deps): Likewise.
+ * varasm.c (decode_reg_name): Likewise.
+
+ * arm.c (arm_condition_codes, strings_fpa, thumb_condition_code):
+ Const-ification.
+ * arm.md: Likewise.
+ * avr.c (avr_regnames, encode_section_info): Likewise.
+ * c4x.c (float_reg_names): Likewise.
+ * darwin.h (ASM_GLOBALIZE_LABEL): Likewise.
+ * elfos.h (const_section): Likewise.
+ * i386.c (ix86_comp_type_attributes): Likewise.
+ * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
+ * ia64/aix.h (UNIQUE_SECTION): Likewise.
+ * ia64.c (type_names): Likewise.
+ * m68hc11.c (reg_class_names): Likewise.
+ * m88k.c (m_options): Likewise.
+ * mips.c (mips_output_conditional_branch, mips_unique_section):
+ Likewise.
+ * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
+ * sparc.c (sparc_flat_function_prologue, sparc_flat_function_epilogue,
+ ultra_code_names): Likewise.
+ * sparc.h (OVERRIDE_OPTIONS): Likewise.
+
+2001-09-12 Jakub Jelinek <jakub@redhat.com>
+
+ * configure.in (gcc_cv_as_shf_merge): Fix a typo.
+ Use --fatal-warnings option for gas.
+ * configure: Rebuilt.
+
+2001-09-12 Roman Lechtchinsky <rl@cs.tu-berlin.de>
+
+ * doc/install.texi (Specific, alphaev5-cray-unicosmk*): Document.
+
+2001-09-11 Jim Wilson <wilson@redhat.com>
+
+ * alias.c (clear_reg_alias_info): Only handle pseudo registers.
+
+2001-10-11 Matt Kraai <kraai@alumni.carnegiemellon.edu>
+
+ * builtins.c (c_strlen): Treat an offset too large for a
+ HOST_WIDE_INT as out of range.
+
+Tue Sep 11 18:57:47 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * basic-block.h (EDGE_CRITICAL): Remove; renumber other flags.
+ (EDGE_CRITICAL_P): New predicate.
+ * cfg.c (force_nonfallthru_and_redirect, split_edge): Kill EDGE_CRITICAL
+ handling.
+ (insert_insn_on_edge): Use EDGE_CRITICAL_P.
+ (dump_edge_info): Remove "crit".
+ * cfganal.c (mark_critical_edges): Kill.
+ * cfgbuild.c (find_basic_blocks): Remove mark_critical_edges call.
+ * cfgcleanup.c (cleanup_cfg): Likewise.
+ * profile.c (instrument_edges): Use EDGE_CRITICAL_P.
+ (find_spanning_tree): Likewise.
+ * reg-stack.c (convert_regs_1): Likewise.
+ * ssa.c (mark_regs_equivalent_over_bad_edges): Likewise.
+
+ * basic-block.h (create_basic_block_structure): New.
+ (create_basic_block): Update prototype.
+ (force_nonfallthru): New.
+ * bb-reorder.c (fixup_reorder_chain): Fixup use force_nonfallthru.
+ * cfg.c (create_basic_block_structure): Rename from create_basic_block;
+ handle updating of block_for_insn, creating of empty BBs and BBs at
+ the end of INSN chain.
+ (create_basic_block): New function.
+ (split_block): Use create_basic_block.
+ (force_nonfallthru_and_redirect): Break out from ...; cleanup
+ (redirect_edge_and_branch_force): ... here.
+ (force_nonfallthru): New.
+ (split_edge): Rewrite to use force_nonfallthru and create_block.
+ * cfgbuild.c (find_basic_blocks_1): Use create_basic_block_structure.
+ (find_basic_blocks): Free basic_block_for_insn.
+ * cfgcleanup.c (merge_blocks): Use force_nonfallthru.
+
+ * cfg.c: Fix formating.
+ * cfgcleanup.c: Fix formating.
+ (merge_blocks, tail_recursion_label_p): Return bool.
+ (merge_blocks_move_predecessor_nojumps,
+ merge_blocks_move_successor_nojumps): Return void.
+
+2001-09-11 Jakub Jelinek <jakub@redhat.com>
+
+ * configure.in: Check whether assembler supports section merging.
+ * config.in: Rebuilt.
+ * configure: Rebuilt.
+ * varasm.c (variable_section, output_constant_pool): Pass alignment
+ to SELECT_SECTION and SELECT_RTX_SECTION.
+ (mergeable_string_section): New.
+ (mergeable_constant_section): New.
+ (default_elf_asm_named_section): Output SECTION_MERGE and
+ SECTION_STRINGS flags plus SECTION_ENTSIZE entity size.
+ * output.h (mergeable_string_section): New.
+ (mergeable_constant_section): New.
+ (SECTION_MERGE, SECTION_STRINGS, SECTION_ENTSIZE): Define.
+ * toplev.c (flag_merge_constants): New.
+ (f_options): Add -fmerge-constants and -fmerge-all-constants
+ options.
+ (toplev_main): Default to -fno-merge-constants if not optimizing.
+ * flags.h (flag_merge_constants): Add extern.
+ * invoke.texi (-fmerge-constants, -fmerge-all-constants): Document.
+ * tm.texi (SELECT_SECTION, SELECT_RTX_SECTION): Document added third
+ argument.
+ * config/elfos.h (ASM_SECTION_START_OP, ASM_OUTPUT_SECTION_START):
+ Define if assembler has working .subsection -1 support.
+ (SELECT_RTX_SECTION, SELECT_SECTION): Add third macro argument.
+ Put constant into special SHF_MERGE sections if the linker should
+ attempt to merge duplicates.
+ * config/ia64/sysv4.h (SELECT_RTX_SECTION, SELECT_SECTION): Add third
+ macro argument.
+ Put constant into special SHF_MERGE sections if the linker should
+ attempt to merge duplicates.
+ * config/alpha/elf.h: Likewise.
+ (ASM_SECTION_START_OP, ASM_OUTPUT_SECTION_START): Define if assembler
+ has working .subsection -1 support.
+ * config/nextstep.h: Add third argument to SELECT_RTX_SECTION and
+ SELECT_SECTION.
+ * config/svr3.h: Likewise.
+ * config/darwin.h: Likewise.
+ * config/arm/aof.h: Likewise.
+ * config/arm/linux-elf.h: Likewise.
+ * config/avr/avr.h: Likewise.
+ * config/c4x/c4x.h: Likewise.
+ * config/d30v/d30v.h: Likewise.
+ * config/i386/dgux.h: Likewise.
+ * config/i386/osfrose.h: Likewise.
+ * config/i386/sco5.h: Likewise.
+ * config/i386/svr3gas.h: Likewise.
+ * config/ia64/aix.h: Likewise.
+ * config/m32r/m32r.h: Likewise.
+ * config/m68k/m68k.h: Likewise.
+ * config/m88k/dgux.h: Likewise.
+ * config/m88k/m88k.h: Likewise.
+ * config/mcore/mcore-pe.h: Likewise.
+ * config/mips/mips.h: Likewise.
+ * config/pa/pa.h: Likewise.
+ * config/pa/pa-linux.h: Likewise.
+ * config/romp/romp.h: Likewise.
+ * config/rs6000/sysv4.h: Likewise.
+ * config/rs6000/xcoff.h: Likewise.
+ * config/s390/linux.h: Likewise.
+ * config/sparc/sparc.h: Likewise.
+ * config/sparc/sysv4.h: Likewise.
+ * config/stormy16/stormy16.h: Likewise.
+ * config/v850/v850.h: Likewise.
+ * config/vax/vms.h: Likewise.
+ * config/arm/arm.c (arm_elf_asm_named_section): Output SECTION_MERGE
+ and SECTION_STRINGS flags plus SECTION_ENTSIZE entity size.
+ * config/sparc/sparc.c (sparc_elf_asm_named_section): Use
+ default_elf_asm_named_section for SHF_MERGE sections.
+
+Tue Sep 11 17:55:54 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * bb-reorder.c (fixup_reorder_chain): Fallthru edge to exit block
+ is OK.
+
+2001-09-11 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-common.c (split_specs_attrs): Allow for empty attributes with
+ empty TREE_PURPOSE. Fixes PR c/4294.
+
+Tue Sep 11 11:37:52 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * basic-block.h (cached_make_edge, make_single_succ): New.
+ (make_edge): Remove first parameter.
+ * bb-reroder.c (fixup_reorder_chain): Use make_single_succ_edge.
+ * cfg.c (cached_make_edge): Rename from make_edge; return newly
+ created edge; use obstack allocation.
+ (make_edge, make_single_succ_edge): New.
+ (first_removed_edge): New static variable.
+ (init_flow): Initialize first_removed_edge and n_edges.
+ (clear_edges): Use remove_edge.
+ (flow_delete_block): Likewise.
+ (remove_edge): Add removed edges to the removed edges list.
+ (split_block, redirect_edge_and_branch_force, split_edge):
+ Use make_edge.
+ * cfganal.c (flow_call_edges_add): Updaet make_edge call.
+ (add_noreturn_fake_exit_edges): Likewise.
+ (connect_infinite_loops_to_exit): Liekwise.
+ * cfgbuild.c (make_label_edge, make_edges, find_sub_basic_blocks):
+ Use cached_make_edge.
+ * cfgcleanup.c (try_crossjump_to_edge): Use make_single_succ_edge.
+ * profile.c (branch_prob): Update make_edge call.
+ * ssa-dce.c (ssa_eliminate_dead_code): Likewise.
+
+2001-09-11 Richard Henderson <rth@redhat.com>
+
+ * config/alpha/alpha.c: Tidy formatting.
+ (local_symbolic_operand): Verify mode.
+ (alpha_sa_mask): Ignore unicos for eh_return.
+ (alpha_expand_epilogue): Handle sp_adj2 zero, not NULL.
+ * config/alpha/alpha.md (umk divsi patterns): Remove.
+ (extendsfdf2): Remove unicos check.
+ (tablejump): Merge vms and unicos code; always use direct set
+ plus label_ref use.
+
+2001-09-11 Roman Lechtchinsky <rl@cs.tu-berlin.de>
+
+ * config.gcc (alpha*-*-unicosmk*): New target.
+
+ * config/alpha/alpha-protos.h (symbolic_operand,
+ unicosmk_add_call_info_word, unicosmk_add_extern,
+ unicosmk_defer_case_vector, unicosmk_unique_section,
+ unicosmk_output_align, unicosmk_text_section, unicosmk_data_section,
+ unicosmk_asm_file_start, unicosmk_asm_file_end,
+ unicosmk_output_common): Declare.
+
+ * config/alpha/alpha.c (NUM_ARGS, override_options, call_operand,
+ direct_return, function_arg, alpha_va_start, alpha_va_arg,
+ alpha_does_function_need_gp, alpha_end_function): Support Cray
+ Unicos/Mk.
+ (alpha_init_machine_status, alpha_mark_machine_status,
+ alpha_free_machine_status, unicosmk_output_deferred_case_vectors,
+ unicosmk_gen_dsib, unicosmk_output_ssib, unicosmk_need_dex,
+ unicosmk_asm_named_section, unicosmk_insert_attributes,
+ unicosmk_section_type_flags, symbolic_operand,
+ unicosmk_output_module_name, unicosmk_output_default_externs,
+ unicosmk_output_dex, unicosmk_output_externs,
+ unicosmk_output_addr_vec, unicosmk_ssib_name,
+ unicosmk_initial_elimination_offset, unicosmk_asm_file_start,
+ unicosmk_asm_file_end, unicosmk_output_common,
+ unicosmk_section_type_flags, unicosmk_unique_section,
+ unicosmk_add_call_info_word, unicosmk_text_section,
+ unicosmk_data_section, unicosmk_extern_list, unicosmk_extern_head,
+ unicosmk_add_extern, unicosmk_dex, unicosmk_dex_list,
+ unicosmk_dex_count, unicosmk_special_name): New.
+ (TARGET_INSERT_ATTRIBUTES, TARGET_SECTION_TYPE_FLAGS): Define for
+ TARGET_ABI_UNICOSMK.
+ (get_aligned_mem, alpha_expand_unaligned_load,
+ alpha_expand_unaligned_store, alpha_expand_unaligned_load_words,
+ alpha_expand_unaligned_store_words): Support big-endian mode.
+ (print_operand): Likewise. New format specifier 't'. Use
+ TARGET_AS_SLASH_BEFORE_SUFFIX.
+ (alpha_is_stack_procedure): Rename from vms_is_stack_procedure.
+ (alpha_pv_save_size): Update with above change.
+ (alpha_sa_mask, alpha_sa_size, alpha_expand_prologue,
+ alpha_start_function, alpha_expand_epilogue): Likewise. Support Cray
+ Unicos/Mk.
+
+ * config/alpha/alpha.h (TARGET_ABI_UNICOSMK): New.
+ (TARGET_ABI_OSF): Exclude TARGET_ABI_UNICOSMK.
+ (TARGET_AS_SLASH_BEFORE_SUFFIX): New.
+ (EXTRA_CONSTRAINT): New constraint 'U'.
+ (PREDICATE_CODES): Add symbolic_operand.
+
+ * config/alpha/alpha.md (UNSPEC_UMK_LAUM, UNSPEC_UMK_LALM,
+ UNSPEC_UMK_LAL, UNSPEC_UMK_LOAD_CIW): New constants.
+ (mulsi3, *mulsi_se, mulvsi3): Disable for TARGET_ABI_UNICOSMK.
+ (integer division and modulus patterns): Split in default and
+ Unicos/Mk versions.
+ (*divmodsi_internal, *divmoddi_internal): Disable for
+ TARGET_ABI_UNICOSMK.
+ (unaligned_extend?idi, unaligned_load?i, unaligned_store?i): Split in
+ little-endian and big-endian versions.
+ (ext, ins, msk): Likewise.
+ (extv, extzv, insv): Support big-endian mode.
+ (call, call_value, tablejump): Support TARGET_ABI_UNICOSMK.
+ (call_umk, call_value_umk, *call_umk, tablejump_umk,
+ *tablejump_umk_internal, *call_value_umk): New.
+ (*movdi_nofix): Add pattern for loading an address into a register on
+ TARGET_ABI_UNICOSMK.
+ (umk_laum, umk_lal, umk_lalm, *umk_load_ciw): New.
+ (umk_mismatch_args, arg_home_umk): New.
+ (various insns): Don't use mov, fmov, nop, fnop and unop.
+ (realign): Support TARGET_ABI_UNICOSMK.
+
+ * config/alpha/unicosmk.h: New file.
+ * config/alpha/t-unicosmk: New file.
+
+ * fixinc/inclhack.def (unicosmk_restrict): New.
+ * fixinc/fixincl.x: Regenerate.
+
+ * ginclude/stddef.h (size_t): Check for and define __SIZE_T__.
+ (wchar_t): Check for and define __WCHAR_T__.
+
+2001-09-11 Richard Sandiford <rsandifo@redhat.com>
+
+ * combine.c (simplify_shift_const): Treat shifts by the mode
+ size as undefined.
+
+2001-09-11 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cpphash.h (struct tokenrun): New.
+ (struct cpp_context): New member bol.
+ (struct cpp_reader): New members.
+ (_cpp_init_tokenrun): New.
+ * cppinit.c (cpp_create_reader): Set up the token runs.
+ * cpplex.c (lex_directive, lex_token, next_tokenrun): New.
+ (lex_token): New internalised version of _cpp_lex_token. Don't
+ handle directives or the multiple include optimization here any
+ more. Simply lex a token.
+ * cpplib.c (run_directive): Clear bol.
+ (_cpp_pop_buffer): Set bol.
+ * cppmacro.c (funlike_invocation_p): Keep tokens whilst parsing
+ arguments.
+
+2001-09-11 Michael Meissner <meissner@redhat.com>
+
+ * config/mips/mips.h (CC1_SPEC): If -mgp32 default to -mfp32, and
+ give an error if the user uses -mfp32.
+ (CPP_FPR_SPEC): Define __mips_fpr to be 32 or 64 depending on the
+ default options.
+ (CPP_SPEC): Define __mips_fpr to be 32 or 64, depending on the
+ floating point register size.
+ (EXTRA_SPECS): Add CPP_FPR_SPEC.
+
+ * config/mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Use
+ HOST_WIDE_INT_PRINT_DEC to properly print the result of
+ int_size_in_bytes.
+ * config/mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Ditto.
+ * config/mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Ditto.
+
+2001-09-11 Hans-Peter Nilsson <hp@axis.com>
+
+ * dbxout.c (dbxout_parms): Fix typo in comment.
+ * unroll.c (loop_find_equiv_value): Ditto.
+ * toplev.c (rest_of_compilation): Ditto.
+ * loop.c (scan_loop): Ditto.
+ * dwarf2out.c (struct dw_fde_struct): Ditto.
+
+2001-09-10 Zack Weinberg <zackw@panix.com>
+
+ * cpplex.c (parse_identifier): Fast-path optimize. Avoid
+ copying identifier when we're just going to throw it away.
+ (parse_identifier_slow): New routine to handle abnormal cases.
+ (_cpp_lex_token): Update call site.
+
+ * hashtable.c (ht_lookup): Don't assume that the string we've
+ been given is NUL-terminated.
+ * system.h: #define __builtin_expect(a, b) to (a) if not
+ GCC >=3.0.
+
+2001-09-10 Michael Meissner <meissner@redhat.com>
+
+ * config.gcc (sparc64-*-solaris2): Add alias to be compatible with
+ binutils, gdb.
+
+2001-09-10 David Edelsohn <edelsohn@gnu.org>
+
+ * config/rs6000/t-aix43 (SHLIB_INSTALL): Use mode 751 (a+x,r-o).
+
+Mon Sep 10 16:26:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * builtins.c (c_getstr): Correct thinko in last change and further
+ cleanup.
+
+2001-09-10 Tim Freeman <tim@fungibole.com>
+
+ * dwarf2out.c (incomplete_types, decl_scope_table): Make them
+ into varray's and register them as roots with the garbage
+ collector so they are not collected too soon.
+
+Mon Sep 10 14:21:26 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * Makefile.in (cfg.o, cfganal.o, cfgloop.o, cfgbuild.o, cfgcleanup.o):
+ New.
+ * basic-block.h (flow_obstack, label_value_list,
+ tail_recursion_label_list): Declare
+ (tidy_fallthru_edges): Declare.
+ (expunge_block, last_loop_beg_note): Delete.
+ (can_fallthru, flow_nodes_print, flow_edge_list_print): Declare.
+ * cfg.c: New file
+ (basic_block_for_insn, label_value_list): Move from flow.c; make global.
+ (n_basic_blocks, n_edges, basic_block_info, entry_exit_blocks,
+ init_flow, clear_edges, can_delete_note_p, can_delete_label_p,
+ flow_delete_insn, flow_delete_insn_chain, create_basic_block,
+ expunge_block, flow_delete_block, compute_bb_for_insn,
+ update_bb_for_insn, set_block_for_insn, set_block_for_new_insns,
+ make_edge, remove_edge, redirect_edge_succ, redirect_edge_succ_nodup,
+ redirect_edge_pred, split_block, marge_blocks_nomove, block_label,
+ try_redirect_by_replacing_jump, last_loop_beg_note,
+ redirect_edge_and_branch, redirect_edge_and_branch_force,
+ tidy_fallthru_edge, tidy_fallthru_edges, back_edge_of_syntactic_loop_p,
+ split_edge, insert_insn_on_edge, commit_one_edge_insertion,
+ commit_edge_insertions, dump_flow_info, debug_flow_info,
+ dump_edge_info, dump_bb, debug_bb, debug_bb_n, print_rtl_with_bb,
+ verify_flow_info, purge_dead_edges, purge_all_dead_edges):
+ Move here from flow.c
+ * cfganal.c: New file.
+ (forwarder_block_p, can_fallthru, mark_critical_edges,
+ mark_dfs_back_edges, need_fake_edge_p, flow_call_edges_add,
+ find_unreachable_blocks, create_edge_list, free_edge_list,
+ print_edge_list, verify_edge_list, find_edge_index, flow_nodes_print,
+ flow_edge_list_print, remove_fake_successors, remove_fake_edges,
+ add_noreturn_fake_exit_edges, connect_infinite_loops_to_exit,
+ flow_reverse_top_sort_order_compute, flow_depth_first_order_compute,
+ flow_dfs_compute_reverse_init, flow_dfs-compute_reverse_add_bb,
+ flow_dfs-compute_reverse_execute, flow_dfs_compute_reverse_finish);
+ Move here from flow.c
+ * cfgbuild.c: New file
+ (count_basic_blocks, find_label_refs, make_label_edge, make_eh_edge,
+ make_edges, find_basic_blocks_1, find_basic_blocks,
+ find_sub_basic_blocks): Move here from flow.c
+ * cfgcleanup.c: New file.
+ (try_simplify_condjump, try_forward_edges, tail_recursion_label_p,
+ merge_blocks_move_predecessor_nojumps,
+ merge_blocks_move_successor_nojumps, merge_blocks,
+ flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
+ try_crossjump_bb, try_optimize_cfg): Move here from flow.c
+ (delete_unreachable_blocks, cleanup_cfg): Likewise; return true
+ if succeeded.
+ * cfgloop.c: New file
+ (flow_loops_cfg_dump, flow_loop_nested_p, flow_loop_dump,
+ flow_loops_dump, flow_loops_free, flow_loop_entry_edges_find,
+ flow_loop_exit_edges_find, flow_loop_nodes_find,
+ flow_loop_pre_header_scan, flow_loop_pre_header_find,
+ flow_loop_tree_node_add, flow_loops_tree_build,
+ flow_loop_level_compute, flow_loops_level_compute, flow_loop_scan,
+ flow_loops_find, flow_loops_update, flow_loop_outside_edge_p):
+ Move here from flow.c
+ * flow.c: Remove everything moved elsewhere
+ * output.h (cleanup_cfg): Return bool.
+
+ * bb-reorder.c (reorder_block_def): Remove 'index'.
+ (insert_intra_1): Add argument BB, set block for new note.
+ (make_reorder_chain): Do not depdent on BB indexes.
+ (make_reorder_chain_1): Do not use BB indexes.
+ (label_for_bb): Likewise; set BB for new insn.
+ (emit_jump_to_block_after): Likewise.
+ (fixup_reorder_chain): Sanity check that all basic blocks
+ are chained; verify newly created insn chain; remove
+ undocnitional jump simplifying; Do not use BB indexes;
+ properly initialize count and frequency information;
+ dump reordered sequence.
+ (insert_intra_bb_scope_notes): update call of insert_intra_1.
+ (insert_inter_bb_scope_notes): Set block for new insn.
+ (reorder_basic_blocks): Dump flow info before reoredering.
+
+Mon Sep 10 06:47:35 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * alias.c (clear_reg_alias_info): Use K&R format definition.
+ Avoid unsigned warning.
+ * builtins.c: Use "unsigned int", not "unsigned".
+ (target_char_cast): Use host_integerp and tree_low_cst.
+ (expand_builtin_args_info, expand_builtin_frame_address): Likewise.
+ (c_strlen): Likewise; OFFSET now HOST_WIDE_INT.
+ (c_getstr): Likewise.
+ (std_expand_builtin_va_arg): Use int_size_in_bytes.
+ (builtin_memcpy_read_str): Avoid unsigned warning.
+ (expand_builtin_memcpy): Alignments are unsigned.
+ (expand_builtin_strncpy, expand_builtin_memset): Likewise.
+ (expand_builtin_expect_jump): Use integer_zerop and integer_onep.
+ * predict.c (expensive_function_p): LIMIT now unsigned.
+ * resource.c (mark_target_live_regs): Make some vars unsigned.
+ * sdbout.c: Use "unsigned int", not "unsigned".
+ (MAKE_LINE_SAFE): Add cast to avoid unsigned warning.
+ (sdbout_source_line): Likewise.
+ (sdbout_record_type_name): Remove "const" for NAME declaration.
+ * config/alpha/alpha.c (alpha_expand_block_move): Whitespace fixes.
+
+2001-09-10 Richard Sandiford <rsandifo@redhat.com>
+
+ * calls.c (store_one_arg): Expand comment.
+
+2001-09-10 Roman Lechtchinsky <rl@cs.tu-berlin.de>
+
+ * calls.c (store_one_arg): Make sure that the entire argument is
+ pushed if STACK_PARMS_IN_REG_PARM_AREA is defined.
+
+2001-09-09 Richard Henderson <rth@redhat.com>
+
+ * emit-rtl.c (adjust_address): Fix mode for LO_SUM.
+
+Sun Sep 9 10:43:17 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * loop.c (combine_givs): Fix computing of benefit once giv is combined.
+
+2001-09-09 Richard Henderson <rth@redhat.com>
+
+ * config/alpha/alpha.c (alpha_next_sequence_number): New.
+ (alpha_this_literal_sequence_number): New.
+ (alpha_this_gpdisp_sequence_number): New.
+ (some_operand, input_operand): Add HIGH.
+ (local_symbolic_operand): New.
+ (alpha_encode_section_info): New.
+ (alpha_legitimate_address_p): Allow LO_SUM.
+ (alpha_legitimize_address): Generate HIGH+LO_SUM.
+ (alpha_expand_mov): Likewise.
+ (secondary_reload_class): Check memory_operand not general_operand
+ for FP_REGS test.
+ (alpha_expand_unaligned_load): Force LO_SUM addresses into a register.
+ (alpha_expand_unaligned_store): Likewise.
+ (alpha_expand_unaligned_load_words): Likewise.
+ (alpha_expand_unaligned_store_words): Likewise.
+ (alpha_expand_block_clear): Likewise.
+ (print_operand): Handle %#, %*, %H.
+ (print_operand_address): Handle LO_SUM.
+ (find_lo_sum): New.
+ (alpha_does_function_need_gp): Use it.
+ (alpha_expand_block_move): Fix signed compare warnings.
+ (alpha_sa_mask, alpha_align_insns): Likewise.
+ * config/alpha/alpha-protos.h: Update.
+ * config/alpha/alpha.h (TARGET_EXPLICIT_RELOCS): New.
+ (MASK_EXPLICIT_RELOCS): New.
+ (TARGET_SWITCHES): Add -mexplicit-relocs.
+ (EXTRA_CONSTRAINT): Add 'T'.
+ (PREFERRED_RELOAD_CLASS): HIGH goes in GENERAL_REGS.
+ (ASM_APP_ON, ASM_APP_OFF): Turn on and off asm macro expansion.
+ (ENCODE_SECTION_INFO): Out line.
+ (REDO_SECTION_INFO_P): New.
+ (STRIP_NAME_ENCODING): New.
+ (ASM_OUTPUT_LABELREF): New.
+ (PRINT_OPERAND_PUNCT_VALID_P): Add #, *.
+ (PREDICATE_CODES): Update.
+ * config/alpha/alpha.md (divmodsi_internal_er, divmoddi_internal_er,
+ call_osf_1_er_noreturn, call_osf_1_er, movdi_er_low, movdi_er_nofix,
+ movdi_er_fix, prologue_ldgp_1_er, builtin_setjmp_receiver_sub_label_er,
+ builtin_setjmp_receiver_er, exception_receiver_1_er,
+ call_value_osf_1_er): New patterns.
+ (sibcall_osf_1, sibcall_value_osf_1): Remove register alternative.
+ (movqi, movhi, movsi): Add explicit $31 base register to lda.
+ * config/alpha/elf.h (ASM_FILE_START): Set nomacro if explicit relocs.
+ (FINAL_PRESCAN_INSN): New.
+
+Sat Sep 8 22:00:55 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * reg-stack.c (subst_stack_regs_pat): Fix fcmov reversal code.
+
+2001-09-08 Andreas Jaeger <aj@suse.de>
+
+ * i386.h (TARGET_SWITCHES): Fix description.
+
+2001-09-07 David Edelsohn <edelsohn@gnu.org>
+
+ * rs6000.c (num_insns_constant): Compute number of instructions
+ more accurately.
+
+ * doc/install.texi: Explain AIX exception handling work-around.
+ Update URL for AIX fixes.
+
+2001-09-07 Jim Wilson <wilson@redhat.com>
+
+ * alias.c (clear_reg_alias_info): New.
+ * flow.c (attempt_auto_inc): Call clear_reg_alias_info.
+ * rtl.h (clear_reg_alias_info): Declare.
+
+2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
+
+ * real.c (EMUSHORT,EMUSHORT_SIZE): Use HImode if no 16-bit type is
+ available.
+ (UEMUSHORT): New. Use instead of unsigned EMUSHORT.
+ (m16m,edivm,emulm): Change declaration to match definition.
+
+2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
+
+ * reload.c (push_reload): Check for subreg_lowpart_p instead of
+ SUBREG_BYTE being 0 when determining if the inner part of a subreg
+ can be reloaded.
+
+2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
+
+ * c-common.c (signed_or_unsigned_type): Handle machine mode types
+ which have no corresponding C type.
+ * fold_const.c (target_isinf,target_isnan,target_negative): Update
+ the representation of 64-bit doubles to work with 64-bit ints.
+
+2001-09-07 Aldy Hernandez <aldyh@redhat.com>
+
+ * config/mips/mips.c (override_options): Do not override ISA when ABI
+ specified if MIPS_CPU_STRING_DEFAULT was specified.
+
+2001-09-07 Richard Henderson <rth@redhat.com>
+
+ * loop.c (record_giv): Avoid simplifying MULT to ASHIFT.
+ (express_from_1): Wrap lines.
+ * rtlanal.c (commutative_operand_precedence): Rename from
+ operand_preference; export.
+ * rtl.h: Declare it.
+ * simplify-rtx.c (simplify_gen_binary): Tidy +/- const_int handling.
+ (simplify_binary_operation): Invoke simplify_plus_minus on
+ (CONST (PLUS ...)) as well.
+ (struct simplify_plus_minus_op_data): New.
+ (simplify_plus_minus_op_data_cmp): New.
+ (simplify_plus_minus): Use them. Avoid infinite recursion with
+ simplify_binary_operation wrt CONST.
+
+Fri Sep 7 11:52:30 2001 Kazu Hirata <kazu@hxi.com>
+
+ * h8300-protos.h (general_operand_dst_push): Remove.
+ * h8300.c (general_operand_dst_push): Likewise.
+ * h8300.h (OK_FOR_T): Likewise.
+ (EXTRA_CONSTRAINTS): Do not use OK_FOR_T.
+ * h8300.md (pushqi_h8300): New.
+ (pushqi_h8300hs): Likewise.
+ (pushqi): Likewise.
+ (pushhi_h8300): Likewise.
+ (pushhi_h8300hs): Likewise.
+ (pushhi): Likewise.
+
+Fri Sep 7 12:56:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * genattrtab.c (attr_printf): First arg is unsigned.
+ Clean up formatting of callers.
+
+2001-09-06 Aldy Hernandez <aldyh@redhat.com>
+
+ * config/mips/mips.c (override_options): Allow abi32 with 64 bit
+ registers.
+
+2001-09-07 Andreas Jaeger <aj@suse.de>
+
+ * i386.h (TARGET_SWITCHES): Fix descriptions.
+
+2001-09-07 Matt Kraai <kraai@alumni.carnegiemellon.edu>
+
+ * stor-layout.c (compute_record_mode): Check DECL_SIZE is set.
+
+2001-09-06 Ira Ruben <ira@apple.com>
+
+ Remove OP_IDENTIFIER.
+ * tree.def (OP_IDENTIFIER): Remove.
+ * tree.c (tree_node_kind enum): Remove op_id_kind.
+ (tree_node_kind_names): Remove "op_identifiers".
+ (make_node): Remove OP_IDENTIFIER test.
+ (build_op_identifier): Removed because it isn't being used.
+ * print-tree.c (print_node): Remove OP_IDENTIFIER case.
+ * cp/pt.c (tsubst): Remove OP_IDENTIFIER case.
+
+2001-09-06 Richard Henderson <rth@redhat.com>
+
+ * simplify-rtx.c (simplify_binary_operation): Revert last change.
+
+2001-09-06 Richard Henderson <rth@redhat.com>
+
+ * simplify-rtx.c (simplify_binary_operation): Simplify contents
+ of CONST.
+
+2001-09-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
+
+ * config/rs6000/rs6000.c (rs6000_emit_prologue): Fix DWARF2 register
+ number used for CR register.
+
+Thu Sep 6 11:16:35 2001 Jeffrey A Law (law@cygnus.com)
+ Joern Rennecke (amylaar@cygnus.com)
+
+ * h8300-protos.h (h8300_return_addr_rtx): New prototype.
+ * h8300.c (initial_offset): Handle offset between RP and FP.
+ (h8300_return_addr_rtx): New function.
+ * h8300.h (FIRST_PSEUDO_REGISTER): Bump now that we have a
+ return register.
+ (FIXED_REGISTERS, CALL_USED_REGISTERS): Corresponding changes.
+ (REG_ALLOC_ORDER, RETURN_ADDRESS_POINTER_REGNUM): Likewise.
+ (REG_CLASS_CONTENTS, ELIMINABLE_REGS): Likewise.
+ (CAN_ELIMINATE, REGISTER_NAMES):
+ (RETURN_ADDR_RTX): Call h8300_return_addr_rtx.
+
+2001-09-06 Nathan Sidwell <nathan@codesourcery.com>
+
+ Remove TYPE_NONCOPIED_PARTS.
+ * tree.h (TYPE_NONCOPIED_PARTS): Remove.
+ (struct tree_type): Remove noncopied_parts.
+ * c-tree.h (TYPE_ACTUAL_ARG_TYPES): Map onto TYPE_BINFO.
+ * expr.c (save_noncopied_parts, init_noncopied_parts): Remove.
+ (fixed_type_p): Remove.
+ (expand_expr, INIT_EXPR): Don't deal with noncopied parts.
+ (expand_expr, MODIFY_EXPR): Likewise.
+ * ggc-common.c (ggc_mark_trees): Remove TYPE_NONCOPIED_PARTS.
+ * doc/c-tree.texi: Remove TYPE_NONCOPIED_PARTS FIXME.
+
+2001-09-06 Alan Modra <amodra@bigpond.net.au>
+
+ * config/rs6000/rs6000.c (mask_operand): Use signed vars to avoid
+ compiler warnings.
+ (mask64_operand): Likewise.
+ (includes_rldic_lshift_p): Likewise.
+ (includes_rldicr_lshift_p): Likewise.
+
+2001-09-05 Ziemowit Laski <zlaski@apple.com>
+
+ * objc/objc-act.c (build_message_expr): If a class method cannot
+ be found, do not issue a warning if a corresponding instance
+ method exists in the root class.
+
+2001-09-05 Richard Henderson <rth@redhat.com>
+
+ * config/alpha/alpha.c (alpha_expand_mov): Initialize temp.
+
+2001-09-05 Zack Weinberg <zack@codesourcery.com>
+
+ * function.c (ggc_mark_struct_function): Mark f->outer.
+ * toplev.c (rest_of_compilation): Clear DECL_SAVED_INSNS here...
+ * integrate.c (output_inline_function): ... not here.
+
+Wed Sep 5 17:28:49 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * profile.c (branch_prob): Call add_noreturn_fake_exit_edges.
+
+ * i386.c (size_cost): New static variable.
+ (override_function): Use size_cost when -Os is specified.
+
+ * i386.c (ix86_expand_prologue): Set use_fast_prologue_epilogue
+ properly; Use current_function_calls_eh_return.
+ (ix86_expand_epilogue): Avoid dummy optimize_size tests;
+ use leave to avoid dependency chain.
+
+ * local-alloc.c (update_equiv_regs): Use CFG to iterate over INSN stream;
+ get BB loop_depth instead of computing it from LOOP notes.
+
+ * reg-stack.c (subst_stack_reg_pat): Handle reversal of conditional moves.
+
+2001-09-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
+
+ * som.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
+ * pa.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
+ UNALIGNED_DOUBLE_INT_ASM_OP): Define
+
+2001-09-05 Jeffrey A Law (law@cygnus.com)
+ Jason Merrill (jason@redhat.com)
+
+ * stor-layout.c (layout_type): Complain if an array's size can
+ not be represented in a size_t.
+
+ * config/h8300/elf.h (ENDFILE_SPEC, STARTFILE_SPEC): Define.
+
+2001-09-05 David Billinghurst <David.Billinghurst@riotinto.com>
+
+ * gcc.c: (process_command) Add parentheses around assignment
+ used as truth value.
+
+2001-09-05 Richard Sandiford <rsandifo@redhat.com>
+
+ * config/mips/mips.c (save_restore_insns): Don't mark any register
+ save slots as unchanging if current_function_calls_eh_return.
+
+2001-09-05 Richard Henderson <rth@redhat.com>
+
+ * config/alpha/alpha.c (alpha_legitimate_address_p): New.
+ * config/alpha/alpha-protos.h: Declare it.
+ * config/alpha/alpha.h (GO_IF_LEGITIMATE_ADDRESS): Move to c file.
+ (NONSTRICT_REG_OK_FOR_BASE_P): Rename from non-strict macro.
+ (NONSTRICT_REG_OK_FP_BASE_P): Likewise.
+ (STRICT_REG_OK_FOR_BASE_P): Rename from strict macro.
+ (REG_OK_FOR_BASE_P): Select one of the above.
+
+2001-09-05 Richard Sandiford <rsandifo@redhat.com>
+
+ * config/mips/t-elf (EXTRA_PARTS): Use EXTRA_MULTILIB_PARTS instead.
+ (crti.o): Prefix name of object file with $(T).
+ (crtn.o): Likewise.
+
+2001-09-05 David S. Miller <davem@redhat.com>
+
+ * config/sparc/linux.h: Set CPLUSPLUS_CPP_SPEC.
+ * config/sparc/linux64.h: Likewise.
+
+2001-09-05 Andreas Jaeger <aj@suse.de>
+
+ * doc/invoke.texi (i386 Options): -mwide-multiply is not
+ available anymore, remove the documentation.
+ (i386 Options): Fix typo, cleanup index entries.
+
+ * prefix.c (concat): Remove, we can use the version from liberty.
+
+2001-09-05 Richard Henderson <rth@redhat.com>
+
+ * config/alpha/alpha.c (alpha_expand_mov, alpha_expand_mov_nobwx):
+ New functions split out of md file expanders.
+ * config/alpha/alpha-protos.h: Declare them.
+ * config/alpha/alpha.md (movqi, movhi, movsi, movdi): Use them.
+
+2001-09-05 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cppmacro.c (funlike_invocation_p): No need to restore context.
+
+2001-09-04 Richard Henderson <rth@redhat.com>
+
+ * reload.c (push_reload): Export.
+ * reload.h (push_reload): Declare it.
+
+ * config/alpha/alpha.h (LEGITIMIZE_ADDRESS): Move out o' line.
+ (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
+ * config/alpha/alpha.c (alpha_legitimize_address): New.
+ (alpha_legitimize_reload_address): Likewise.
+ * config/alpha/alpha-protos.h: Declare them.
+
+2001-09-04 Stan Shebs <shebs@apple.com>
+
+ * config/darwin.h (ASM_DECLARE_FUNCTION_NAME): Define.
+ * config/darwin.c (machopic_stub_name): Account for internally
+ generated lib calls such as memcpy.
+
+2001-09-04 Richard Henderson <rth@redhat.com>
+
+ * unwind.h (_UA_END_OF_STACK): New flag.
+ * unwind.inc (_Unwind_ForcedUnwind_Phase2): Set it.
+
+Tue Sep 4 11:16:35 2001 Jeffrey A Law (law@cygnus.com)
+
+ * h8300/elf.h (LINK_SPEC): Redefine appropriately for the H8.
+
+2001-09-04 Richard Sandiford <rsandifo@redhat.com>
+
+ * config/mips/mips.c (save_restore_insns): Change base_offset to
+ fp_offset in second call to mips_emit_frame_related_store.
+
+2001-09-04 Hans-Peter Nilsson <hp@axis.com>
+
+ * doc/rtl.texi: Mention that besides as a CODE_LABEL, a label can
+ sometimes be represented as a NOTE of type
+ NOTE_INSN_DELETED_LABEL.
+ (Insns): Document NOTE_INSN_DELETED_LABEL.
+
+2001-09-04 Nathan Sidwell <nathan@codesourcery.com>
+
+ * c-common.h (tree_dump_index): Add more comments.
+ * c-dump.c (dump_files): Name flags `tree' rather than `ast'.
+ (dump_option_value_info): New struct.
+ (dump_options): New array.
+ (dump_switch_p): Parse switch options symbolically.
+ * doc/invoke.texi (-fdump-ast): Rename to ...
+ (-fdump-tree): ... here. Document that options are symbolic, and
+ not all are applicable.
+
+2001-09-04 David S. Miller <davem@redhat.com>
+
+ * config/sparc/sparc.md (define_splits): Kill constraints.
+
+ Cleanup redundant and unused insn attributes.
+ * config/sparc/sparc.md (define_attr "insn"): Kill address, unary,
+ binary, and move. Mark ialu as default.
+ (commented out define_function_unit "alu"): Kill.
+ (define_attr "use_clobbered"): Kill.
+ (whole file): Kill address insn type references. Replace
+ all unary/binary/move references with ialu.
+ * config/sparc/sparc.c (whole file): Kill TYPE_ADDRESS
+ references. Replace TYPE_{UNARY,BINARY,MOVE} references with
+ TYPE_IALU.
+
+ Simplify length insn attribute and make more judicious use
+ of insn attribute defaulting.
+ * config/sparc/sparc.md (all insns with length > one): Mark as
+ insn type multi if real instructions, else use default if
+ it is a forced splitter.
+ (all insns with length == one): Use default insn length.
+ (all insns of type ialu): Use default insn type.
+
+ Fix erroneous insn attribute settings.
+ (addx): Set insn type to misc.
+ (mulsidi3_sp64, const_mulsidi3_sp64, umulsidi3_sp64,
+ const_umulsidi3_sp64): Set insn type to imul.
+
+ Track SFmode vs DFmode insns according to UltraSPARC
+ scheduling rules.
+ * config/sparc/sparc.md ("fptype"): New attribute, default
+ to "single".
+ (all DFmode single insns): Mark as fptype "double".
+
+2001-09-03 Jakub Jelinek <jakub@redhat.com>
+
+ * loop.c (express_from_1): Fix CONSTANT_P(a) case.
+
+2001-09-03 Richard Henderson <rth@redhat.com>
+
+ * function.h (struct function): Add arg_pointer_save_area_init.
+ * function.c (expand_function_end): Init arg_pointer_save_area.
+ (get_arg_pointer_save_area): Do not init arg_pointer_save_area
+ when called from a nested function.
+
+2001-09-02 Angela Marie Thomas <angela@cygnus.com>
+
+ * fixinc/Makefile.in: Regenerate fixincl.x only if maintainer-mode
+ is enabled.
+
+Sun Sep 2 18:37:54 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * reload1.c (fixup_abnormal_edges): Allow NOTEs in the sequence.
+
+2001-09-01 Geoffrey Keating <geoffk@redhat.com>
+
+ * expr.c (push_block): Make sane use of STACK_GROWS_DOWNWARD.
+ (emit_push_insn): Use specified padding direction when
+ STACK_PUSH_CODE is POST_INC.
+
+ * config/stormy16/stormy16.h (DWARF2_UNWIND_INFO): Define to 0.
+
+2001-09-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * mips.h (INITIAL_ELIMINATION_OFFSET): Add missing `else abort'.
+
+2001-09-01 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cppinit.c (cpp_start_read): Free the imacros list as we
+ traverse it. Don't free the chains before returning.
+ (_cpp_push_next_buffer): Only try pushing buffers if we've
+ completed -imacros handling.
+
+2001-08-31 Eric Christopher <echristo@redhat.com>
+
+ * gcc.c (handle_braces): Add explaination for abort.
+
+2001-08-30 Roman Zippel <zippel@linux-m68k.org>
+
+ * expmed.c (store_bit_field): Update to patch from 2001-08-27:
+ move adjustment of bitpos instead.
+
+2001-08-31 Zack Weinberg <zack@codesourcery.com>
+
+ * function.c: Remove all_functions. Make outer_function_chain
+ static.
+ (init_function_start): Don't add new function structure to
+ all_functions.
+ (find_function_data, push_function_context_to,
+ pop_function_context_from, put_var_into_stack,
+ trampoline_address): Update for changed structure element names.
+ (push_function_context_to): Disentangle.
+ (free_after_compilation): Also free F.
+ (expand_dummy_function_end): Don't free cfun here.
+ (put_var_into_stack): Comment why we can't use find_function_data here.
+ (fix_lexical_addr, trampoline_address, ): Use find_function_data.
+ (mark_function_chain): Split into maybe_mark_struct_function and
+ ggc_mark_struct_function. Export the latter.
+ (init_function_once): Mark from cfun and outer_function_chain;
+ not all_functions.
+
+ * function.h (struct function): Kill next_global. Rename next
+ to outer. All users updated to match.
+ (all_functions, outer_function_chain): Don't declare.
+
+ * ggc-common.c (ggc_mark_trees): Mark DECL_SAVED_INSNS.
+ * integrate.c (output_inline_function): Clear DECL_SAVED_INSNS,
+ don't touch f->inlinable, after calling rest_of_compilation.
+
+ * tree.h: Forward-declare struct function. Prototype
+ ggc_mark_struct_function.
+
+2001-08-31 Kazu Hirata <kazu@hxi.com>
+
+ * config/h8300/h8300.md (*andorhi3): Fix typos.
+
+2001-08-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * calls.c (emit_library_call_value): Don't use a fixed
+ argument after VA_CLOSE, i.e. out of scope in traditional C.
+
+ * emit-rtl.c (gen_rtvec): Likewise.
+
+2001-08-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * Makefile.in (c-pragma.o): Depend on output.h.
+ (reorg.o): Depend on except.h.
+
+ * c-pragma.c: Include output.h.
+
+ * reorg.c: Include except.h.
+
+ * unwind-dw2.c: Call __builtin_alloca, not alloca.
+
+2001-08-31 Richard Henderson <rth@redhat.com>
+
+ * sched-deps.c (add_dependence): Don't elide dependency if the
+ conditional used by insn is modified in elem.
+
+2001-08-31 Nick Clifton <nickc@cambridge.redhat.com>
+
+ * config/v850/v850.h (OUTPUT_ADDR_CONST_EXTRA): Define.
+
+2001-08-31 Diego Novillo <dnovillo@redhat.com>
+
+ * c-decl.c (c_decode_option): Skip '-f' prefix before calling
+ dump_switch_p.
+
+2001-08-31 Geoffrey Keating <geoffk@redhat.com>
+
+ * config/stormy16/stormy16.c (stormy16_asm_out_destructor): New
+ function.
+ (stormy16_asm_out_constructor): New function.
+ (TARGET_ASM_CONSTRUCTOR): Define.
+ (TARGET_ASM_DESTRUCTOR): Define.
+
+2001-08-31 Andreas Jaeger <aj@suse.de>
+
+ * gcse.c (add_label_notes): REG_LABEL is an INSN_LIST.
+ * loop.c (add_label_notes): Likewise.
+ * reload.c (find_reloads): Likewise.
+ * config/sh/sh.c (machine_dependent_reorg): Likewise.
+
+2001-08-31 Jason Merrill <jason_merrill@redhat.com>
+
+ * unwind-pe.h (read_uleb128, read_sleb128): Move actual reading
+ code here. Take _Unwind_{W,Sw}ord*.
+ (read_encoded_value_with_base): Use them.
+ * unwind-dw2.c (_Unwind_FrameState): Make cfa_offset and cfa_reg
+ words.
+ (extract_cie_info): Simplify read_?leb128 handling.
+ (execute_stack_op, execute_cfa_program): Likewise.
+ * unwind-dw2-fde.c (get_cie_encoding): Likewise.
+
+2001-08-31 Geoffrey Keating <geoffk@redhat.com>
+
+ * config/stormy16/stormy16.c (stormy16_expand_epilogue): Use
+ the frame pointer to pop the stack if convenient.
+
+ * config/stormy16/stormy16.c (stormy16_initialize_trampoline):
+ Don't use post-increment before combine.
+ * config/stormy16/stormy16.h (STATIC_CHAIN_REGNUM): Don't use
+ a call-saved register.
+
+2001-08-31 Andreas Jaeger <aj@suse.de>
+
+ * jump.c (mark_jump_label): Revert patch from 2001-08-28, the
+ code was correct.
+
+2001-08-30 Geoffrey Keating <geoffk@redhat.com>
+
+ * config/stormy16/stormy16.md (udivmodhi4): Express using UDIV/UMOD,
+ not DIV/MOD, of course.
+
+2001-08-30 Vladimir Makarov <vmakarov@redhat.com>
+
+ * rtl.def: Undo my patch commited 2001-08-27.
+
+ * genattrtab.c: Ditto.
+
+ * rtl.h: Ditto.
+
+ * sched-int.h: Ditto.
+
+ * target-def.h: Ditto.
+
+ * target.h: Ditto.
+
+ * haifa-sched.c: Ditto.
+
+ * sched-rgn.c: Ditto.
+
+ * sched-vis.c: Ditto.
+
+ * Makefile.in: Ditto.
+
+ * doc/md.texi: Ditto.
+
+ * doc/tm.texi: Ditto.
+
+ * doc/contrib.texi: Ditto.
+
+ * doc/gcc.texi: Ditto.
+
+ * genattrtab.h: Remove it.
+
+ * genautomata.c: Remove it.
+
+ * genattr.c: Undo my patch and Richard Henderson's patch commited
+ 2001-08-27.
+
+Thu Aug 30 19:22:15 2001 J"orn Rennecke <amylaar@redhat.com>
+
+ * config.gcc (h8300-*-elf*): New case.
+ * h8300.h (CPP_SPEC): Add subtarget_cpp_spec.
+ (SUBTARGET_CPP_SPEC): Define.
+ (EXTRA_SPECS): Define.
+ (SUBTARGET_EXTRA_SPECS): Define.
+ * config/h8300/crti.asm, config/h8300/crtn.asm: New files.
+ * config/h8300/elf.h, config/h8300/t-elf: Likewise.
+
+Thu Aug 30 18:50:37 2001 J"orn Rennecke <amylaar@redhat.com>
+
+ * t-h8300 (LIB1ASMFUNCS): Add _fixunssfdi and _fixunssfsi_asm.
+ (LIB2FUNCS_EXTRA): Define.
+ config/h8300/lib1funcs.asm: New part: L_fixunssfsi_asm .
+ config/h8300/fixunssfsi.c: New file.
+
+2001-08-30 Kazu Hirata <kazu@hxi.com>
+
+ * config/h8300/h8300.md (zero_extendqihi2): Changes to
+ define_expand to accommodate target-specific attributes.
+ (anonymous zero_extendqihi2 patterns): New.
+
+Thu Aug 30 18:10:56 2001 J"orn Rennecke <amylaar@redhat.com>
+
+ * h8300.md (*andorhi3): New pattern.
+
+Thu Aug 30 16:00:31 2001 J"orn Rennecke <amylaar@redhat.com>
+
+ * h8300.c (dosize): Fix test for "sub".
+
+Thu Aug 30 10:21:43 2001 J"orn Rennecke <amylaar@redhat.com>
+
+ * c-typeck.c (pointer_diff): Try to eliminate common term before
+ doing conversions.
+
+2001-08-30 Nick Clifton <nickc@cambridge.redhat.com>
+
+ * config/arm/arm.c (arm_compute_initial_elimination_offset):
+ Account for the saves of the FP registers.
+
+ * config/arm/unknown-elf.h (TEXT_SECTION): Delete.
+ (TEXT_SECTION_ASM_OP): Define.
+ (INIT_SECTION_ASM_OP): Define.
+ (FINI_SECTION_ASM_OP): Define.
+ (SUBTARGET_EXTRA_SECTIONS): Remove trailing comma.
+ (RDATA_SECTION_FUNCTION): Provide prototype.
+
+2001-08-29 Geoffrey Keating <geoffk@redhat.com>
+
+ * reload1.c (move2add_note_store): Correct typo checking for
+ argument pushes.
+
+2001-08-29 Andrew MacLeod <amacleod@redhat.com>
+
+ * gcse.c (compute_hash_table): The SRC part of an insn with a RETVAL
+ note should not be considered outside the libcall block.
+
+2001-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * genattrtab.c (attr_printf): Use VA_OPEN/VA_FIXEDARG/VA_CLOSE.
+
+2001-08-29 Kazu Hirata <kazu@hxi.com>
+
+ * config/h8300/h8300.md (movsi_h8300hs): Make it 64-bit safe.
+
+2001-08-29 Kazu Hirata <kazu@hxi.com>
+
+ * config/h8300/h8300-protos.h: Add a prototype for
+ emit_logical_op.
+ * config/h8300/h8300.c (emit_logical_op): New.
+ * config/h8300/h8300.md (andhi3): Use emit_logical_op.
+ (andsi3): Likewise.
+ (iorhi3): Likewise.
+ (iorsi3): Likewise.
+ (xorhi3): Likewise.
+ (xorsi3): Likewise.
+
+2001-08-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
+
+ * pa.c (move_operand): Cast GET_MODE_SIZE results to HOST_WIDE_INT for
+ comparison with rtx INTVAL.
+ (pa_output_function_prologue): Don't mix signed and unsigned in `?'
+ expression.
+ * pa.h (FUNCTION_ARG_SIZE): Likewise.
+
+2001-08-29 Kazu Hirata <kazu@hxi.com>
+
+ * config/h8300/lib1funcs.asm: Update the copyright. Fix
+ comment typos.
+
+2001-08-29 Kazu Hirata <kazu@hxi.com>
+
+ * config/h8300/h8300.md (anonymous movhi pattern): Don't move
+ (reg n) to (mem (pre_dec (reg n))
+ (anonymous movsi pattern): Likewise.
+
+2001-08-29 Kazu Hirata <kazu@hxi.com>
+
+ * config/h8300/h8300.h (RETURN_ADDR_RTX): New.
+
+2001-08-29 Kazu Hirata <kazu@hxi.com>
+
+ * config/h8300/h8300.md (movsi_h8300hs): Optimize loading of
+ several special constants.
+
+2001-08-29 Kazu Hirata <kazu@hxi.com>
+
+ * config/h8300/lib1funcs.asm: Fix comment typos.
+
+2001-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * iris6.h (ASM_DECLARE_OBJECT_NAME, ASM_FINISH_DECLARE_OBJECT):
+ Fix format specifier warnings.
+
+ * irix6-libc-compat.c (inet_ntoa, inet_lnaof, inet_netof,
+ inet_makeaddr, semctl): Prototype.
+
+ * mips.c (compute_frame_size): Fix signed/unsigned warnings.
+ (save_restore_insns): Use base_offset, not gp_offset.
+
+ * mips.h (GP_REG_OR_PSEUDO_STRICT_P): Fix signed/unsigned warning.
+ (ASM_OUTPUT_BYTE): Fix format specifier warning.
+
+2001-08-29 Richard Henderson <rth@redhat.com>
+
+ * bb-reorder.c (function_tail_eff_head): New.
+ (record_effective_endpoints): Set it.
+ (fixup_reorder_chain): Use it.
+
+2001-08-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * dwarf2asm.c (dw2_asm_output_nstring): Fix typo in previous change.
+
+2001-08-28 Dale Johannesen <dalej@apple.com>
+
+ * config/darwin.c (machopic_function_base_name): Add const
+ qualifier to a string.
+ (darwin_encode_section_info): Ditto.
+
+2001-08-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * tree.c (default_valid_attribute_p): Don't use PARAMS on a
+ function definition.
+
+2001-08-28 Daniel Berlin <dan@cgsoftware.com>
+
+ * df.h (struct df): Add rts_order variable.
+
+ * df.c (df_visit_next_rts): New function.
+ (df_visit_next): Renamed to df_visit_next_rc
+ (df_analyse_1): Allocate/compute/free rts_order as well.
+ (df_rd_global_compute): Use df_visit_next_rc instead of
+ df_visit_next.
+ (df_ru_global_compute): Use df_visit_next_rts instead of
+ df_visit_next.
+
+ * flow.c (flow_reverse_top_sort_order_compute): New function.
+
+ * basic-block.h: Add prototype.
+
+2001-08-28 Daniel Berlin <dan@cgsoftware.com>
+
+ * ssa-ccp.c (ssa_ccp_df_delete_unreachable_insns): For unreachable
+ blocks, the BB_REACHABLE is now set, rather than aux being
+ non-NULL. Update the test to reflect this.
+
+2001-08-28 Eric Christopher <echristo@redhat.com>
+
+ * config/mips/crtn.asm: Add comment explaining 16 byte alignment.
+ config/mips/crti.asm: Ditto.
+
+2001-08-28 Eric Christopher <echristo@redhat.com>
+ Richard Henderson <rth@redhat.com>
+
+ * c-pragma.h (add_weak): Move prototype from here...
+ * output.h (add_weak): ... to here.
+ * varasm.c (add_weak): Fix typo.
+ * config/mips/crti.asm: New file.
+ * config/mips/crtn.asm: Ditto.
+ * config/mips/elf.h (SBSS_SECTION_ASM_OP) Add #undef.
+ (CTOR_LISTS_DEFINED_EXTERNALLY): Remove.
+ (INVOKE__main): Ditto.
+ (INIT_SECTION_ASM_OP): New.
+ (FINI_SECTION_ASM_OP): Ditto.
+ (STARTFILE_SPEC): Add crti.
+ (ENDFILE_SPEC): Add crtn.
+ * config/mips/elf64.h: Same.
+ * config/mips/rtems64.h (INVOKE__main, NAME__MAIN, SYMBOL__MAIN):
+ Remove.
+ * config/mips/vxworks.h: Ditto.
+ * config/mips/t-elf: Support crti and crtn.
+
+2001-08-28 Alexandre Oliva <aoliva@redhat.com>
+
+ * jump.c (mark_jump_label): Fix typo: REG_LABEL is EXPR_LIST, not
+ INSN_LIST.
+
+2001-08-28 Richard Henderson <rth@redhat.com>
+
+ * config/ia64/ia64.md (andcmbi3, iorcmbi3): Fix typos.
+ (one_cmplbi2 splitter): Remove redundant test.
+
+2001-08-28 Dale Johannesen <dalej@apple.com>
+
+ * config/rs6000/darwin.h (DEFAULT_SIGNED_CHAR): Define.
+
+2001-08-28 Danny Smith <dannysmith@users.sourceforge.net>
+
+ * config/i386/cygwin.h (BIGGEST_FIELD_ALIGNMENT): Set to 64.
+
+2001-08-28 Stan Shebs <shebs@apple.com>
+
+ * config/darwin.h (ASM_OUTPUT_LABELREF): Handle '*' names.
+ (UNALIGNED_SHORT_ASM_OP): Define.
+ (UNALIGNED_INT_ASM_OP): Define.
+
+2001-08-28 Will Cohen <wcohen@redhat.com>
+
+ * config/rs6000/rs6000.md (store_multiple): Correct RTL
+ generation for first set.
+
+2001-08-27 Roman Zippel <zippel@linux-m68k.org>
+
+ * flow.c (redirect_edge_succ_nodup): Return new edge.
+ (try_simplify_condjump): Use new edge.
+ * basic-block.h (redirect_edge_succ_nodup): Update prototype.
+
+ * cse.c (cse_basic_block): Skip note instructions.
+
+2001-08-27 Richard Henderson <rth@redhat.com>
+
+ * combine.c (combine_simplify_rtx): Don't reverse condition
+ if there is no reverse for the condition.
+ (simplify_comparison): Don't simplify subregs from INT to FP.
+
+ * config/m68k/m68k.md (sordered, sordered_1, sunordered, sunordered_1,
+ suneq, suneq_1, sunge, sunge_1, sungt, sungt_1, sunle, sunle_1,
+ sunlt, sunlt_1, sltgt, sltgt_1, fsogt_1, fsoge_1, fsolt_1, fsole_1,
+ bordered, bunordered, buneq, bunge, bungt, bunle, bunlt, bltgt,
+ bordered_rev, bunordered_rev, buneq_rev, bunge_rev, bungt_rev,
+ bunle_rev, bunlt_rev, bltgt_rev): New patterns.
+
+2001-08-27 Roman Zippel <zippel@linux-m68k.org>
+
+ * config/m68k/m68k.md (subreghi1ashrdi_const32, bsetmemqi,
+ bsetmemqi+1, strict_low_part peephole): Fix SUBREG_BYTE offset.
+ (pushqi1): New.
+ (adddi_dilshr32, adddi_dishl32): Only data register can be
+ source for mem destination.
+
+ * expmed.c (store_bit_field): Ignore adjustment to bitpos
+ and use bitnum to decide about register move.
+
+2001-08-27 Richard Henderson <rth@redhat.com>
+
+ * genattr.c (main): Emit state_t even when not doing scheduling.
+
+2001-08-27 Roman Zippel <zippel@linux-m68k.org>
+ Richard Henderson <rth@redhat.com>
+
+ * gcse.c (reg_first_set, reg_last_set): Replace with ...
+ (reg_avail_info, current_bb): ... these.
+ (oprs_unchanged_p, record_last_reg_set_info): Use them.
+ (compute_hash_table): Likewise.
+
+2001-08-27 Roman Zippel <zippel@linux-m68k.org>
+
+ * flow.c (verify_flow_info): Use checksums to verify edges.
+
+2001-08-27 Richard Henderson <rth@redhat.com>
+
+ * genautomata.c (expand_automata): Always create a description.
+
+2001-08-27 Geoffrey Keating <geoffk@redhat.com>
+
+ * optabs.c (expand_binop): Correctly handle the carry in multiword
+ add/subtract operations.
+
+2001-08-27 Fred Fish <fnf@be.com>
+
+ * ginclude/stddef.h: Fix typo, __SIZE__TYPE__ should be
+ __SIZE_TYPE__.
+
+2001-08-27 Geoffrey Keating <geoffk@redhat.com>
+
+ * reload.c (find_reloads_toplev): Back out this change:
+
+ Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
+
+ * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
+ mem if the address is a mode_dependent_address_p.
+
+2001-08-27 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
+
+ * rtl.def (DEFINE_CPU_UNIT, DEFINE_QUERY_CPU_UNIT, EXCLUSION_SET,
+ PRESENCE_SET, ABSENCE_SET, DEFINE_BYPASS, DEFINE_AUTOMATON,
+ AUTOMATA_OPTION, DEFINE_RESERVATION, DEFINE_INSN_RESERVATION): New
+ RTL constructions.
+
+ * genattr.c (main): New variable num_insn_reservations. Increase
+ it if there is DEFINE_INSN_RESERVATION. Output automaton based
+ pipeline hazard recognizer interface.
+
+ * genattrtab.h: New file.
+
+ * genattrtab.c: Include genattrtab.h.
+ (attr_printf, check_attr_test, make_internal_attr,
+ make_numeric_value): Move protypes into genattrtab.h. Define them
+ as external.
+ (num_dfa_decls): New global variable.
+ (main): Process DEFINE_CPU_UNIT, DEFINE_QUERY_CPU_UNIT,
+ DEFINE_BYPASS, EXCLUSION_SET, PRESENCE_SET, ABSENCE_SET,
+ DEFINE_AUTOMATON, AUTOMATA_OPTION, DEFINE_RESERVATION,
+ DEFINE_INSN_RESERVATION. Call expand_automata and write_automata.
+
+ * genautomata.c: New file.
+
+ * rtl.h (LINK_COST_ZERO, LINK_COST_FREE): Remove them.
+
+ * sched-int.h: (curr_state): Add the external definition for
+ automaton pipeline interface.
+ (haifa_insn_data): Add comments for members blockage and units.
+
+ * target-def.h (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE,
+ TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,
+ TARGET_SCHED_DFA_PRE_CYCLE_INSN,
+ TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN,
+ TARGET_SCHED_DFA_POST_CYCLE_INSN,
+ TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,
+ TARGET_SCHED_INIT_DFA_BUBBLES, TARGET_SCHED_DFA_BUBBLE): New
+ macros.
+ (TARGET_SCHED): Use the new macros.
+
+ * target.h (use_dfa_pipeline_interface, init_dfa_pre_cycle_insn,
+ dfa_pre_cycle_insn, init_dfa_post_cycle_insn, dfa_post_cycle_insn,
+ first_cycle_multipass_dfa_lookahead, init_dfa_bubbles,
+ dfa_bubble): New members in gcc_target.sched.
+
+ * haifa-sched.c (insert_schedule_bubbles_p): New variable.
+ (MAX_INSN_QUEUE_INDEX): New macro for automaton interface.
+ (insn_queue): Redefine it as pointer to array.
+ (NEXT_Q, NEXT_Q_AFTER): Use MAX_INSN_QUEUE_INDEX instead of
+ INSN_QUEUE_SIZE.
+ (max_insn_queue_index_macro_value): New variable.
+ (curr_state, dfa_state_size, ready_try): New varaibles for
+ automaton interface.
+ (ready_element, ready_remove, max_issue): New function prototypes
+ for automaton interface.
+ (choose_ready): New function prototype.
+ (insn_unit, blockage_range): Add comments.
+ (unit_last_insn, unit_tick, unit_n_insns): Define them for case
+ FUNCTION_UNITS_SIZE == 0.
+ (insn_issue_delay, actual_hazard_this_instance, schedule_unit,
+ actual_hazard, potential_hazard): Add comments.
+ (insn_cost): Use cost -1 as undefined value. Remove
+ LINK_COST_ZERO and LINK_COST_FREE. Add new code for automaton
+ pipeline interface.
+ (ready_element, ready_remove): New functions for automaton
+ interface.
+ (schedule_insn): Add new code for automaton pipeline interface.
+ (queue_to_ready): Add new code for automaton pipeline interface.
+ Use MAX_INSN_QUEUE_INDEX instead of INSN_QUEUE_SIZE.
+ (debug_ready_list): Print newline when the queue is empty.
+ (max_issue): New function for automaton pipeline interface.
+ (choose_ready): New function.
+ (schedule_block): Add new code for automaton pipeline interface.
+ Print ready list before scheduling each insn.
+ (sched_init): Add new code for automaton pipeline interface.
+ Initiate insn cost by -1.
+ (sched_finish): Free the current automaton state and finalize
+ automaton pipeline interface.
+
+ * sched-rgn.c: Include target.h.
+ (init_ready_list, new_ready, debug_dependencies): Add new code for
+ automaton pipeline interface.
+
+ * sched-vis.c: Include target.h.
+ (get_visual_tbl_length): Add code for automaton interface.
+ (target_units, print_block_visualization): Add comments.
+
+ * Makefile.in (GETRUNTIME, HASHTAB, HOST_GETRUNTIME, HOST_HASHTAB,
+ USE_HOST_GETRUNTIME, USE_HOST_HASHTAB, HOST_VARRAY): New variables.
+ (sched-rgn.o, sched-vis.o): Add new dependency file target.h.
+ (getruntime.o, genautomata.o): New entries.
+ (genattrtab.o): Add new dependency file genattrtab.h.
+ (genattrtab): Add new dependencies. Link it with `libm.a'.
+ (getruntime.o, hashtab.o): New entries for canadian cross.
+
+ * doc/md.texi: Description of automaton based model.
+
+ * doc/tm.texi (TARGET_SCHED_ISSUE_RATE, TARGET_SCHED_ADJUST_COST):
+ Add comments.
+ (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE,
+ TARGET_SCHED_DFA_PRE_CYCLE_INSN,
+ TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,
+ TARGET_SCHED_DFA_POST_CYCLE_INSN,
+ TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN,
+ TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,
+ TARGET_SCHED_INIT_DFA_BUBBLES, TARGET_SCHED_DFA_BUBBLE): The new
+ hook descriptions.
+ (TRADITIONAL_PIPELINE_INTERFACE, DFA_PIPELINE_INTERFACE,
+ MAX_DFA_ISSUE_RATE): New macro descriptions.
+
+ * doc/contrib.texi: Add dfa based scheduler contribution.
+
+ * doc/gcc.texi: Add more information about genattrtab.
+
+2001-08-27 Diego Novillo <dnovillo@redhat.com>
+
+ * flow.c (flow_loop_dump): Do not display insn UIDs if this is not
+ an RTL basic block.
+
+2001-08-27 Richard Henderson <rth@redhat.com>
+
+ * function.c (expand_function_end): Don't init arg_pointer_save_area.
+ (get_arg_pointer_save_area): New. Create an init it here.
+ (fix_lexical_addr): Use it.
+ * function.h: Declare it.
+ * builtins.c (expand_builtin_setjmp_receiver): Use it.
+ * stmt.c (expand_nl_goto_receiver): Use it.
+
+2001-08-27 Richard Henderson <rth@redhat.com>
+
+ * final.c (final_scan_insn): Don't enter APP_ON mode for
+ empty asm strings.
+
+ * dwarf2asm.c (dw2_asm_output_encoded_addr_rtx): Use proper
+ alignment for assemble_integer for DW_EH_PE_aligned.
+ * except.c (output_function_exception_table): Likewise.
+
+2001-08-26 Andreas Jaeger <aj@suse.de>
+
+ * c-tree.h: Add prototyp for c_sizeof_nowarn.
+
+2001-08-25 Dan Nicolaescu <dann@ics.uci.edu>
+
+ * ssa-ccp.c (ssa_const_prop): Free ssa_edges.
+
+2001-08-27 Alan Modra <amodra@bigpond.net.au>
+
+ * config/rs6000/rs6000.c (mask_operand): Rewrite without
+ bit-shifting loop.
+ (mask64_operand): Likewise.
+ (rldic_operand): Delete.
+ (includes_lshift64_p): Delete.
+ (includes_rldic_lshift_p): New function.
+ (includes_rldicr_lshift_p): New function.
+ (print_operand): Don't call rldic_operand in case 'W'.
+ * config/rs6000/rs6000-protos.h (rldic_operand): Remove.
+ (includes_lshift64_p): Remove.
+ (includes_rldic_lshift_p): Declare.
+ (includes_rldicr_lshift_p): Declare.
+ * config/rs6000/rs6000.h (PREDICATE_CODES): Remove rldic_operand.
+ * config/rs6000/rs6000.md <ashldi3_internal 64 bit patterns>:
+ Replace match_operand rldic_operand predicate with
+ const_int_operand. Replace includes_lshift64_p condition with
+ includes_rldic_lshift_p.
+ <ashldi3_internal 64 bit rldicr patterns>: New.
+
+2001-08-27 Andreas Jaeger <aj@suse.de>
+
+ * emit-rtl.c: Use VA_OPEN/VA_CLOSE/VA_FIXEDARG throughout.
+ * errors.c: Likewise.
+ * final.c: Likewise.
+ * dwarf2asm.c: Likewise.
+ * doprint.c (checkit): Likewise.
+ * diagnostic.c: Likewise.
+ * collect2.c: Likewise.
+ * calls.c: Likewise.
+ * c-semantics.c (build_stmt): Likewise.
+ * c-format.c (status_warning): Likewise.
+ * c-errors.c (pedwarn_c99): Likewise.
+ * builtins.c (validate_arglist): Likewise.
+ * config/pj/pj.c (pj_printf): Likewise.
+ * fix-header.c: Likewise.
+ * gcc.c: Likewise.
+ * gcov.c (fnotice): Likewise.
+ * gensupport.c (message_with_line): Likewise.
+ * mips-tfile.c: Likewise.
+ * protoize.c (notice): Likewise.
+ * read-rtl.c (fatal_with_file_and_line): Likewise.
+ * rtl-error.c: Likewise.
+ * tradcpp.c: Likewise.
+ * tree.c: Likewise.
+ * cp/tree.c (build_min_nt): Likewise.
+ (build_min): Likewise.
+ * cp/lex.c: Likewise.
+ * cp/errfn.c: Likewise.
+ * cp/rtti.c (create_pseudo_type_info): Likewise.
+
+Sun Aug 26 20:25:44 2001 Denis Chertykov <denisc@overta.ru>
+
+ * df.c (df_uses_record): Return after recording all uses
+ in ASM_OPERANDS.
+
+2001-08-26 Daniel Berlin <dan@cgsoftware.com>
+
+ * df.c (df_insn_modify): Realloc the INSN table here, if
+ necessary, here, too.
+
+2001-08-26 Aldy Hernandez <aldyh@redhat.com>
+
+ * config/mips/mips.c (mips_function_value): Handle complex return
+ values.
+
+2001-08-25 Hans-Peter Nilsson <hp@bitrange.com>
+
+ * reload1.c (reload): Make all entries in reg_equiv_memory_loc
+ unshared.
+ * reload.c (make_memloc): Copy result if it is still
+ reg_equiv_memory_loc[regno] on return.
+ (subst_reloads) [ENABLE_CHECKING]: Check that none of
+ reg_equiv_constant, reg_equiv_memory_loc, reg_equiv_address and
+ reg_equiv_mem are modified by the substitutions.
+
+Sat Aug 25 23:07:35 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * predict.c (expensive_function_p): New.
+ * rtl.h (expensive_function_p): Declare.
+ * i386.c (FAST_PROLOGUE_INSN_COUNT): New constant.
+ (use_fast_prologue_epilogue): New static variable.
+ (expand_prologue): Set it; emit short prologues if unset.
+ (expand_epilogue): Likewise.
+
+2001-08-22 Geoffrey Keating <geoffk@redhat.com>
+
+ * config.gcc: Add stormy16-*-elf case.
+ * config/stormy16/stormy-abi: New file.
+ * config/stormy16/stormy16-lib2.c: New file.
+ * config/stormy16/stormy16-protos.h: New file.
+ * config/stormy16/stormy16.c: New file.
+ * config/stormy16/stormy16.h: New file.
+ * config/stormy16/stormy16.md: New file.
+ * config/stormy16/t-stormy16: New file.
+
+Sat Aug 25 15:46:51 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * i386.h (no-accumulate-outgoing-args): Use proper mask.
+
+2001-08-24 David Edelsohn <edelsohn@gnu.org>
+
+ * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Function
+ descriptor members are pointer size, not constant 4.
+ * config/rs6000/rs6000.md (define_splits): Remove more unused
+ constraints.
+
+2001-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * sparc.h (ASM_OUTPUT_BYTE): Fix format specifier warning.
+
+2001-08-24 Andreas Jaeger <aj@suse.de>, rkl@connect.org.uk
+
+ * cp/rtti.c (VPARAMS): Fix parameter.
+
+2001-08-24 Zack Weinberg <zackw@panix.com>
+
+ * expmed.c: Default-#define HAVE_insv, HAVE_extv, and HAVE_extzv
+ to zero.
+ (mode_for_extraction): No need for #ifdefs. Add default-case abort
+ to switch.
+ (store_bit_field): Eliminate insv_bitsize variable. Put HAVE_insv
+ in if controlling use of insv.
+ (extract_bit_field): Likewise, for extv and extzv.
+
+Fri Aug 24 17:27:46 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * i386.md (movcc peep2): Fix load of 0.
+
+2001-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * fold-const.c (tree_expr_nonnegative_p): Handle *_DIV_EXPR,
+ *_MOD_EXPR, SAVE_EXPR and NON_LVALUE_EXPR.
+
+2001-08-23 Jason Merrill <jason_merrill@redhat.com>
+
+ * c-pragma.h: Move weak_syms and weak_decls...
+ * varasm.c: ...here. Now static.
+ (declare_weak, weak_finish, remove_from_pending_weak_list): Don't
+ depend on HANDLE_PRAGMA_WEAK.
+
+ * c-common.c (c_alignof, c_alignof_expr): Move here...
+ * c-typeck.c: ...from here.
+ * c-tree.h, c-common.h: Adjust.
+
+2001-08-23 Bernd Schmidt <bernds@redhat.com>
+
+ * config/ia64/ia64.c (rws_update): If !pred, set write_count
+ instead of incrementing it.
+
+ * config/ia64/ia64.c (ia64_sched_reorder): When there's more than one
+ asm ready, don't try to move them all into the same array element.
+
+Thu Aug 23 17:21:43 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * function.c (thread_prologue_and_epilogue_insns): Avoid
+ fallthru flag on edge to exit.
+
+ * i386.md (trunc?fsi splitter): Conditionionize for non-sse.
+
+ * flow.c (delete_noop_moves, propagate_block_delete_insn): Purge
+ dead edges.
+
+2001-08-23 Lars Brinkhoff <lars@nocrew.org>
+
+ * config/mcore/mcore.h (MACHINE_DEPENDENT_SIMPLIFY): Remove.
+ * config/mcore/mcore.c (mcore_dependent_simplify_rtx): Likewise.
+ * config/mcore/mcore-protos.h (mcore_dependent_simplify_rtx):
+ Remove prototype.
+
+2001-08-23 Lars Brinkhoff <lars@nocrew.org>
+
+ * genconstants.c, genpreds.c, libfuncs.h, optabs.h, rtl-error.h:
+ replace "GNU CC" with "GCC".
+
+2001-08-23 Richard Henderson <rth@redhat.com>
+
+ * config/ia64/ia64.c (ia64_register_move_cost): Add mode arguemnt.
+ Reorganize. Handle ADDL like GR, add GR_AND_BR. Handle TFmode.
+ (ia64_secondary_reload_class): Need GR between AR/BR and anything.
+ Need GR between FR and not GR_AND_FR.
+ * config/ia64/ia64-protos.h (ia64_register_move_cost): Update.
+ * config/ia64/ia64.h (reg_class): Add GR_AND_BR_REGS, move
+ AR regs before GR regs.
+ (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
+ (PREFERRED_RELOAD_CLASS): Tweak for reordered classes.
+ (REGISTER_MOVE_COST): Update.
+ (MEMORY_MOVE_COST): Add GR_AND_FR_REGS.
+
+2001-08-23 Richard Henderson <rth@redhat.com>
+
+ * regclass.c (init_reg_sets_1): Don't assume cost 2 within
+ a register class.
+
+2001-08-22 Geoffrey Keating <geoffk@redhat.com>
+
+ * reload1.c (emit_reload_insns): Don't look for notes
+ on a NULL store_insn.
+
+2001-08-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * sparc.c (uns_small_int): Don't reference a constant >32-bit.
+ (addrs_ok_for_ldd_peep): Fix signed/unsigned warning.
+ (sparc_flat_function_prologue, sparc_flat_function_epilogue): Fix
+ format specifier warnings.
+ (sparc_sched_reorder): Mark parameter with ATTRIBUTE_UNUSED.
+
+2001-08-22 David Billinghurst <David.Billinghurst@riotinto.com>
+
+ * config/i386/i386-protos.h: Correct declaration of
+ i386_pe_asm_named_section.
+
+2001-08-22 John David Anglin <dave@hiauly1.hia.nrc.ca>
+
+ * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Add declaration for
+ variable i.
+ * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
+
+2001-08-22 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cpperror.c (print_location): Don't show _Pragma.
+ * cppfiles.c (_cpp_pop_file_buffer): Handle -include file pushing
+ and file change callback generation here.
+ (stack_include_file): Update use of cpp_push_buffer.
+ * cpphash.h (_cpp_pop_file_buffer): Update prototype.
+ (struct cpp_buffer): Remove type, pfile members.
+ * cppinit.c (cpp_handle_option): Use free_chain.
+ * cpplex.c (_cpp_lex_token): Don't do -include file pushing here.
+ (skip_escaped_newlines, get_effective_char, lex_percent): Take
+ a cpp_reader rather than a cpp_buffer.
+ (skip_escaped_newlines, get_effective_char, skip_block_comment,
+ skip_line_comment, parse_string, lex_percent, lex_dot,
+ _cpp_lex_token): Update accordingly.
+ * cpplib.c (_cpp_pop_buffer): Don't do file change callback
+ generation here.
+ (cpp_push_buffer): Update prototype.
+ (run_directive): Update use of cpp_push_buffer.
+ (_cpp_do__Pragma, cpp_define, cpp_define_builtin, cpp_undef,
+ handle_assertion): Update use of run_directive.
+ * cpplib.h (enum cpp_buffer_type): Remove.
+ (cpp_push_buffer): Update prototype.
+ * fix-header.c (read_scan_file): Update.
+
+2001-08-22 Matt Kraai <kraai@alumni.carnegiemellon.edu>
+
+ * gcc.c (struct prefix_list): Change prefix to const char *.
+
+2001-08-22 Matt Kraai <kraai@alumni.carnegiemellon.edu>
+
+ * final.c (final_scan_insn): Call ADDR_VEC_ALIGN on next insn.
+
+2001-08-22 Jason Merrill <jason_merrill@redhat.com>
+
+ * explow.c (set_mem_attributes): Avoid returning a bogus alias set
+ from a new MEM.
+
+ * jump.c (squeeze_notes): Take parms by reference. Handle END being
+ a squeezable note.
+ * rtl.h: Adjust.
+ * ifcvt.c (dead_or_predicable): Adjust.
+ * loop.c (find_and_verify_loops): Adjust.
+ * stmt.c (expand_end_case): Adjust.
+ * flow.c (merge_blocks_move_successor_nojumps): Adjust. Modify the
+ head and end insn pointers in the basic block, not just local copies.
+ (merge_blocks_move_predecessor_nojumps): Likewise.
+
+2001-08-22 Lars Brinkhoff <lars@nocrew.org>
+
+ * Makefile.in, alias.c, basic-block.h, bb-reorder.c, bitmap.c,
+ bitmap.h, builtin-types.def, builtins.c, builtins.def,
+ c-aux-info.c, c-common.c, c-common.def, c-common.h,
+ c-convert.c, c-decl.c, c-dump.c, c-dump.h, c-errors.c,
+ c-format.c, c-lang.c, c-lex.c, c-lex.h, c-parse.in,
+ c-pragma.c, c-pragma.h, c-semantics.c, c-tree.h, c-typeck.c,
+ caller-save.c, calls.c, collect2.c, collect2.h, combine.c,
+ conditions.h, config.gcc, configure.frag, configure.in,
+ conflict.c, convert.c, convert.h, cppspec.c, crtstuff.c,
+ cse.c, cselib.c, cselib.h, dbxout.c, dbxout.h, defaults.h,
+ dependence.c, df.c, df.h, diagnostic.c, diagnostic.h,
+ doloop.c, dominance.c, dwarf.h, dwarf2.h, dwarf2asm.c,
+ dwarf2asm.h, dwarf2out.c, dwarf2out.h, dwarfout.c,
+ emit-rtl.c, errors.c, errors.h, except.c, except.h,
+ exgettext, explow.c, expmed.c, expr.c, expr.h, final.c,
+ fixproto, flags.h, flow.c, fold-const.c, fp-test.c,
+ function.c, function.h, gbl-ctors.h, gcc.c, gcc.h, gcc.hlp,
+ gccspec.c, gcov-io.h, gcse.c, genattr.c, genattrtab.c,
+ gencheck.c, gencodes.c, genconfig.c, genemit.c,
+ genextract.c, genflags.c, gengenrtl.c, genmultilib,
+ genopinit.c, genoutput.c, genpeep.c, genrecog.c,
+ gensupport.c, gensupport.h, ggc-callbacks.c, ggc-common.c,
+ ggc-none.c, ggc-page.c, ggc-simple.c, ggc.h, global.c,
+ graph.c, graph.h, gthr-aix.h, gthr-dce.h, gthr-posix.h,
+ gthr-rtems.h, gthr-single.h, gthr-solaris.h, gthr-vxworks.h,
+ gthr-win32.h, gthr.h, haifa-sched.c, halfpic.c, halfpic.h,
+ hard-reg-set.h, hwint.h, ifcvt.c, input.h, insn-addr.h,
+ integrate.c, integrate.h, jump.c, lcm.c, libgcc2.c,
+ libgcc2.h, lists.c, local-alloc.c, loop.c, loop.h,
+ machmode.def, machmode.h, main.c, mbchar.c, mbchar.h,
+ mips-tdump.c, mips-tfile.c, mklibgcc.in, mkmap-flat.awk,
+ mkmap-symver.awk, optabs.c, output.h, params.c, params.def,
+ params.h, predict.c, predict.def, predict.h, prefix.c,
+ prefix.h, print-rtl.c, print-tree.c, profile.c, protoize.c,
+ read-rtl.c, real.c, real.h, recog.c, recog.h, reg-stack.c,
+ regclass.c, regmove.c, regrename.c, regs.h, reload.c,
+ reload.h, reload1.c, reorg.c, resource.c, resource.h, rtl.c,
+ rtl.def, rtl.h, rtlanal.c, sbitmap.c, sbitmap.h,
+ sched-deps.c, sched-ebb.c, sched-int.h, sched-rgn.c,
+ sched-vis.c, sdbout.c, sdbout.h, sibcall.c, simplify-rtx.c,
+ ssa-ccp.c, ssa-dce.c, ssa.c, ssa.h, stmt.c, stor-layout.c,
+ stringpool.c, system.h, timevar.c, timevar.def, timevar.h,
+ tlink.c, toplev.c, toplev.h, tree.c, tree.def, tree.h,
+ tsystem.h, unroll.c, unwind-dw2-fde.c, unwind-dw2-fde.h,
+ unwind-dw2.c, unwind-pe.h, unwind-sjlj.c, unwind.h,
+ unwind.inc, varasm.c, varray.c, varray.h, xcoffout.c,
+ xcoffout.h: replace "GNU CC" with "GCC".
+
+2001-08-21 Richard Henderson <rth@redhat.com>
+
+ * final.c (LABEL_ALIGN_AFTER_BARRIER): Default to no alignment.
+ (final_scan_insn): Consider jump tables data even if we have no
+ independent text section if !JUMP_TABLES_IN_TEXT_SECTION. Use
+ ADDR_VEC_ALIGN.
+ * config/ia64/ia64.h (JUMP_TABLES_IN_TEXT_SECTION): Remove.
+ (ASM_OUTPUT_CASE_END): Remove.
+ (ASM_OUTPUT_ADDR_DIFF_ELT): Emit pc-relative references.
+ * config/ia64/ia64.md (tablejump): Decode pc-relative references.
+ * config/ia64/sysv4.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Remove.
+
+2001-08-21 Richard Henderson <rth@redhat.com>
+
+ * config/ia64/ia64.c (emit_all_insn_group_barriers): Flush state
+ at barrier insns. Emit stop bits before barriers.
+
+ * flow.c (flow_find_cross_jump): Don't consider unconditional
+ return insns for commoning.
+
+ * final.c (compute_alignments): Fix typo.
+
+ * expmed.c (CODE_FOR_insv, gen_insv): Provide defaults.
+ (CODE_FOR_extv, gen_extv, CODE_FOR_extzv, gen_extzv): Likewise.
+ (store_bit_field): Use mode_for_extraction more places.
+ (extract_bit_field): Likewise.
+
+2001-08-21 Zack Weinberg <zackw@panix.com>
+
+ * caller-save.c: Don't include insn-codes.h.
+ (reg_save_code, reg_restore_code): Make arrays of int.
+ All uses updated to match.
+ (insert_save, insert_restore): No need to initialize "code"
+ variable upon declaration.
+ * Makefile.in: update dependencies; fix typo in clean rule.
+
+2001-08-21 Richard Henderson <rth@redhat.com>
+
+ * ifcvt.c (find_if_block): Allow join_bb as EXIT.
+ (merge_if_block): Handle fallout from same.
+
+2001-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * builtins.c (type_to_class): Fix typo in last change.
+
+2001-08-21 Richard Henderson <rth@redhat.com>
+
+ * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't emit '#' if
+ ia64_asm_output_label.
+
+ * config/ia64/crtbegin.asm (__do_global_dtors_aux): Use saved
+ copy of gp while the real gp register contains garbage.
+
+2001-08-21 Zack Weinberg <zackw@panix.com>
+
+ * expmed.c (mode_for_extraction): New function.
+ (store_bit_field, extract_bit_field): Use it.
+ * expr.h: Prototype it and provide an enum for its first argument.
+
+ * combine.c, function.c, recog.c: Don't include insn-codes.h.
+ Use mode_for_extraction rather than testing HAVE_insv/extv/extzv
+ and digging through the insn_data tables.
+ * Makefile.in: Update dependencies.
+
+2001-08-22 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cppfiles.c (stack_include_file): line-map.c now handles include
+ depth.
+ (handle_missing_handler): Similarly.
+ (_cpp_execute_include): Similarly.
+ (_cpp_pop_file_buffer): Similarly.
+ * cpphash.h (struct cpp_reader): Remove system_include_depth,
+ buffer_stack_depth and include_depth.
+ * cpplib.c (do_include_common): line-map.c now handles include depth.
+ (cpp_push_buffer): Similarly.
+ (_cpp_pop_buffer): Similarly.
+ * cppmacro.c (builtin_macro): Update.
+ * line-map.c (init_line_maps): Set depth.
+ (add_line_map): Increment "used" earlier. Update and use the
+ include depth.
+ (trace_include): Use the include depth.
+ * line-map.h (struct line_maps): New member depth.
+
+2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cppfiles.c (stack_include_file): Don't handle -H here.
+ * cppinit.c (cpp_start_read): Set include tracing after
+ cpp_post_options and after stacking the main file.
+ * line-map.c (trace_include): New.
+ (init_line_maps, add_line_map): Update.
+ * line-map.h (struct line_maps): New member trace_includes.
+
+2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cppfiles.c (stack_include_file): Harmonize system headerness tests.
+ * cppfiles.c (stack_include_file): Only stack a file if there
+ is something to do. Return a boolean indicating whether a
+ buffer was stacked or not.
+ (_cpp_execute_include): Similarly.
+ (_cpp_read_file): Similarly.
+ * cpphash.h (_cpp_read_file, _cpp_execute_include): Update prototypes.
+
+2001-08-21 Sam Steingold <sds@gnu.org>
+
+ * tradcpp.c (rescan): define obufp_before_macroname before RECACHE
+ (RECACHE): keep obufp_before_macroname up to date
+
+2001-08-21 Zack Weinberg <zackw@panix.com>
+
+ * stmt.c: Don't include insn-codes.h.
+ (expand_end_case): Machine specific logic moved to expr.c.
+ No need to worry about __builtin_classify_type.
+ (check_for_full_enumeration_handling, emit_case_nodes):
+ Kill #if 0 blocks.
+
+ * builtins.o (expand_builtin_classify_type): Split up so code
+ can be shared with fold_builtin_classify_type.
+ (type_to_class, fold_builtin_classify_type): New functions.
+ (fold_builtins): Handle __builtin_classify_type.
+
+ * expr.c (do_tablejump): Now static.
+ (case_values_threshold, try_casesi, try_tablejump): New;
+ code mostly from stmt.c (expand_end_case).
+ (expr.h): Update prototypes.
+
+ * Makefile.in (stmt.o): Update dependencies.
+
+2001-08-21 Will Cohen <wcohen@redhat.com>
+
+ * configure/alpha/alpha.h (CONDITIONAL_REGISTER_USAGE): Added local
+ declaration of variable i.
+ * configure/rs6000/rs6000.h (CONDITIONAL_REGISTER_USAGE): Added local
+ declaration of variable i.
+
+2001-08-21 Richard Henderson <rth@redhat.com>
+
+ * crtstuff.c: Fix thinko last change. Move list tails to start
+ of CRT_END section. Tidy ifdefs.
+ (__EH_FRAME_BEGIN__): Always static for ELF.
+ (__do_global_ctors_1): Rename from __frame_dummy.
+ * config/mips/iris6.h (LINK_SPEC): Update for __do_global_ctors_1
+ name change; don't hide __EH_FRAME_BEGIN__.
+
+2001-08-21 Richard Henderson <rth@redhat.com>
+
+ * gdbinit.in: Move break on exit after break on fancy_abort.
+
+ * config/ia64/ia64.c (ia64_return_in_memory): True for variable
+ sized types.
+
+2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cpphash.h (_cpp_push_next_buffer): New.
+ * cppinit.c (do_includes): Remove.
+ (push_include, free_chain, _cpp_push_next_buffer): New.
+ (cpp_start_read): Use them to rework command line option handling.
+ (cpp_handle_option): Combine handling of -include and -imacros.
+ * cpplex.c (_cpp_lex_token): Push a new -include buffer if
+ appropriate. Always insert missing \n at EOF.
+ * cpplib.c (start_directive): Get the directive position right.
+ * cppmain.c (cb_file_change): Always print the first line, unless
+ preprocessed.
+
+2001-08-20 Andreas Jaeger <aj@suse.de>
+
+ * profile.c (compute_branch_probabilities): Remove extra new-line
+ in error message.
+ * flow.c (verify_flow_info): Likewise.
+
+2001-08-20 Diego Novillo <dnovillo@redhat.com>
+
+ * basic-block.h (basic_block): Add new field 'flags'.
+ (BB_REACHABLE): Define.
+ (expunge_block): Declare.
+ * flow.c (ENTRY_BLOCK_PTR): Initialize field 'flags'.
+ (EXIT_BLOCK_PTR): Ditto.
+ (expunge_block): Remove static declaration.
+ (cleanup_cfg): Clear bb->aux on every basic block.
+ (find_unreachable_blocks): Set BB_REACHABLE bit in bb->flags when
+ computing reachability.
+ (delete_unreachable_blocks): Delete block b if b->flags has
+ BB_REACHABLE unset.
+
+2001-08-20 Diego Novillo <dnovillo@redhat.com>
+
+ * doc/invoke.texi: Replace references to -fdump-tree with -fdump-ast.
+
+2001-08-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * sparc.c (sparc_variable_issue): Fix typo in last change.
+
+2001-08-20 Richard Henderson <rth@redhat.com>
+
+ * varasm.c (assemble_integer): Document ppc-eabi -mrelocatable losage.
+
+2001-08-20 John David Anglin <dave@hiauly1.hia.nrc.ca>
+
+ * pa.h (RETURN_IN_MEMORY): Improve comment.
+
+2001-08-20 Janis Johnson <janis187@us.ibm.com>
+
+ * doc/invoke.texi (Profiling options): Clarify the interactions
+ between -fprofile-arcs and -ftest-coverage, -fprofile-arcs.
+
+2001-08-20 Jeffrey Oldham <oldham@codesourcery.com>
+
+ * crtstuff.c (__do_global_ctors): Fix typo in preprocessing
+ command.
+
+2001-08-20 Matt Kraai <kraai@alumni.carnegiemellon.edu>
+
+ * gcc.c (make_relative_prefix): Allocate a sufficiently large
+ buffer.
+
+2001-08-20 Richard Henderson <rth@redhat.com>
+
+ * final.c (end_final): Fix typo last change.
+
+2001-08-20 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cppinit.c (init_standard_includes): The returned buffer
+ is already malloc-ed.
+ * gcc.c (add_prefix): Similarly.
+ * prefix.c (translate_name): Update to support clear buffer
+ ownership rules.
+ (update_path): Similarly. Be sure to free any newly allocated
+ key. UPDATE_PATH_HOST_CANONICALIZE takes only one argument.
+ (tr): New function.
+ * prefix.h (update_path): Update prototype and document.
+ * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): Clean
+ up and update to new buffer ownership rules.
+ * doc/gcc.texi (UPDATE_PATH_HOST_CANONICALIZE): Update.
+
+Mon Aug 20 01:44:50 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * final.c (compute_alignments): New function.
+ (init_insn_lengths): Do not care label_align.
+ (LABEL_ALIGN_AFTER_BARRIER): Default to 1.
+ (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to 0.
+ (JUMP_ALIGN, JUMP_ALIGN_MAX_SKIP): New.
+ (shorted_branches): Realloc label_align array; do
+ not call init_insn_lengths; Do not care about loop alignments.
+ * output.h (compute_alignments): Declare.
+ * toplev.c (rest_of_compilation): Call compute_alignments.
+ * tm.texi (JUMP_ALIGN, JUMP_ALIGN_MAX_SKIP): Document.
+
+ * predict.c (block_info_def): Add npredecesors, remove nvisited;
+ change visited to tovisit.
+ (propagate_freq): Use faster traversing algorithm.
+ (estimate_loops_at_level, estimate_bb_frequencies): Change visited
+ to tovisit; reverse meaning.
+
+ * predict.c (struct block_info_def): Remove nvisited.
+ (propagate_freq): Use EDGE_DFS_BACK to detect irreducible regions.
+ (estimate_bb_frequencies): Call mark_dfs_back_edges.
+
+2001-08-19 Geoffrey Keating <geoffk@redhat.com>
+
+ * doc/invoke.texi (MIPS Options): Document -mfused-madd.
+ * config/mips/mips.h (MASK_NO_FUSED_MADD): New.
+ (TARGET_FUSED_MADD): New.
+ (TARGET_SWITCHES): Add -mfused-madd, -mno-fused-madd.
+ * config/mips/mips.md: Add TARGET_FUSED_MADD as condition to
+ the multiply-add instructions.
+
+2001-08-19 Richard Henderson <rth@redhat.com>
+
+ * dwarf2asm.c (dw2_output_indirect_constant_1): The symbol ref
+ is aligned to pointer size.
+
+2001-08-19 Richard Henderson <rth@redhat.com>
+
+ * config/ia64/ia64.c (ia64_cycle_display): Only emit cycle
+ display markers during final schedule.
+
+2001-08-19 Richard Henderson <rth@redhat.com>
+
+ * function.c (gen_mem_addressof): Don't call get_alias_set if no decl.
+
+2001-08-19 Richard Henderson <rth@redhat.com>
+
+ * config/ia64/ia64.h (STRIP_NAME_ENCODING): Handle @ and *
+ in the same string.
+ (ASM_NAME_TO_STRING): Remove.
+ * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Handle @ and *
+ in the same string. Remove support for expressions.
+
+2001-08-19 Richard Henderson <rth@redhat.com>
+
+ * config/i386/i386.md (tablejump): Make an expander; handle
+ pic relative addressing here.
+ (tablejump_1): Rename from tablejump_pic.
+ (casesi): Remove.
+
+2001-08-19 Richard Henderson <rth@redhat.com>
+
+ * regclass.c (fix_register): Fix typo.
+
+2001-08-18 Richard Henderson <rth@redhat.com>
+
+ * config/ia64/unwind-ia64.c (UNW_REG_B0): New.
+ (struct _Unwind_Context): Expand br_loc to hold it.
+ (uw_frame_state_for): Handle leaf functions better.
+ (uw_update_reg_address): Update for br_loc change.
+
+2001-08-18 Richard Henderson <rth@redhat.com>
+
+ * crtstuff.c: Move list heads before code that uses them.
+ (__JCR_LIST__): Remove initial null.
+ (frame_dummy, __frame_dummy): Do java registration here ...
+ (__do_global_ctors_aux): ... not here.
+
+ * config/ia64/crtbegin.asm (dtor_ptr): Make gp-relative.
+ (__do_global_dtors_aux): Update to match.
+ (__JCR_LIST__, __do_jv_register_classes): New.
+ (.init): Call it.
+ * config/ia64/crtend.asm (__JCR_END__): New.
+ (__do_global_ctors_aux): Use a GPREL64I reloc to __CTOR_END__
+ instead of an indirect LTOFF22 reloc.
+
+2001-08-18 Richard Henderson <rth@redhat.com>
+
+ * flow.c (mark_regs_live_at_end): Use regs_invalidated_by_call.
+ * regclass.c (init_reg_sets_1): Fix typo.
+ * config/ia64/ia64.c (ar_pfs_reg_operand): New.
+ (ia64_expand_call): Pass ar.pfs to sibcall expanders.
+ (ia64_compute_frame_size): Make ar.unat live when in use.
+ (ia64_epilogue_uses): Reformat; do not check current_function_is_leaf
+ for ar.pfs; remove ar.unat handling.
+ * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): ar.unat is
+ call-saved.
+ (PREDICATE_CODES): Add ar_pfs_reg_operand.
+ * config/ia64/ia64-protos.h: Update decls.
+ * config/ia64/ia64.md (sibcall_nopic): Use ar.pfs.
+ (sibcall_pic): Likewise.
+
+2001-08-18 Richard Henderson <rth@redhat.com>
+
+ * config/ia64/ia64.c (ia64_sched_reorder2): Also skip past
+ pred_rel_mutex when searching for insn_group_barrier.
+ * config/ia64/ia64.md (cycle_display): Combine the expander
+ and insn patterns.
+
+ * config/ia64/ia64.c (ia64_internal_sched_reorder): Emit stop
+ bit before asm as needed.
+
+2001-08-18 Richard Henderson <rth@redhat.com>
+
+ * timevar.def (TV_MACH_DEP): New.
+ * toplev.c (rest_of_compilation): Use it.
+ * config/ia64/ia64.c (ia64_reorg): Push to TV_SCHED2.
+
+2001-08-18 Zack Weinberg <zackw@panix.com>
+
+ * unwind-dw2.c (execute_stack_op): Add default aborts to
+ the inner switches to prevent warnings.
+
+2001-08-18 Richard Henderson <rth@redhat.com>
+
+ * timevar.h (struct timevar_time_def): Change element type to float.
+ (ticks_to_msec, clocks_to_msec): Likewise.
+ (TICKS_TO_MSEC, CLOCKS_TO_MSEC): Rescale to seconds; use type float.
+ (get_time): Likewise.
+ (timevar_print): Adjust zero check and printing to match.
+
+2001-08-18 Zack Weinberg <zackw@panix.com>
+
+ * doc/extend.texi, doc/gcc.texi, doc/install-old.texi,
+ doc/invoke.texi, doc/md.texi, doc/rtl.texi, doc/include/gpl.texi:
+ Eliminate overfull or underfull hboxes.
+
+2001-08-18 Zack Weinberg <zackw@panix.com>
+
+ * cpperror.c: Use VA_OPEN/VA_CLOSE/VA_FIXEDARG throughout.
+
+2001-08-18 Zack Weinberg <zackw@panix.com>
+
+ * haifa-sched.c: Convert to target hooks. Macros replaced
+ are ISSUE_RATE, ADJUST_COST, ADJUST_PRIORITY, MD_SCHED_INIT,
+ MD_SCHED_REORDER, MD_SCHED_REORDER2, MD_SCHED_VARIABLE_ISSUE,
+ MD_SCHED_FINISH, and HAVE_cycle_display.
+ * target-def.h (TARGET_SCHED_ADJUST_COST,
+ TARGET_SCHED_ADJUST_PRIORITY, TARGET_SCHED_ISSUE_RATE,
+ TARGET_SCHED_VARIABLE_ISSUE, TARGET_SCHED_INIT,
+ TARGET_SCHED_FINISH, TARGET_SCHED_REORDER,
+ TARGET_SCHED_REORDER2, TARGET_SCHED_CYCLE_DISPLAY):
+ New hook #defines to be overridden.
+ (TARGET_SCHED): Bring them all together.
+ (TARGET_INITIALIZER): Update.
+ * target.h: Don't forward declare struct rtx_def. Use 'rtx'
+ instead of 'struct rtx_def *' throughout.
+ (struct sched): New set of hooks for the scheduler.
+ * Makefile.in (haifa-sched.o): Depend on target.h.
+ * doc/tm.texi: Document the new scheduler hooks, together in
+ their own section, instead of scattered around.
+ Fix a bunch of underfull/overfull hboxes.
+
+ * a29k.h, alpha.h, arm.h, c4x.h, convex.h, d30v.h, i386.h,
+ ia64.h, m32r.h, m88k.h, mips.h, pa.h, rs6000.h, s390.h, sh.h,
+ sparc.h: Don't define any of the old scheduler macros.
+
+ * a29k.c, alpha.c, arm.c, c4x.c, convex.c, d30v.c, i386.c,
+ ia64.c, m32r.c, m88k.c, mips.c, pa.c, rs6000.c, s390.c, sh.c,
+ sparc.c: Create hook functions from code extracted from
+ corresponding target header, or make existing hooks static, as
+ appropriate. Set the appropriate entries in targetm.
+
+ * alpha-protos.h, arm-protos.h, c4x-protos.h, d30v-protos.h,
+ i386-protos.h, ia64-protos.h, m32r-protos.h, pa-protos.h,
+ rs6000-protos.h, s390-protos.h, sparc-protos.h:
+ Remove prototypes for functions which are now static.
+
+ * d30v.h, d30v.c, m32r.h, m32r.c: Remove #ifdef HAIFA and
+ related gunk; the Haifa scheduler is now the only choice.
+
+2001-08-18 Zack Weinberg <zackw@panix.com>
+
+ * optabs.h (OTI_flodiv, flodiv_optab): Kill.
+ * genopinit.c: Put floating point divide insns in sdiv_optab.
+ * expr.c (expand_expr): Use sdiv_optab, not flodiv_optab.
+ * config/gofast.h, config/c4x/c4x.h,
+ config/ia64/hpux_longdouble.h, config/mips/mips.h,
+ config/pa/long_double.h, config/rs6000/sysv4.h,
+ config/sparc/sparc.h: Put floating point divide libcalls in sdiv_optab.
+ * optabs.c (init_optab): Break into new_optab, init_optab, init_optabv.
+ (init_optabs): Use init_optabv for overflow-trapping optabs.
+ Don't init flodiv_optab. Give mov_optab, movstrict_optab, and
+ cmp_optab RTX codes so have_insn_for can find them.
+
+ * optabs.c (expand_simple_binop, expand_simple_unop,
+ have_insn_for, gen_sub3_insn): New interfaces.
+ * expr.h: Prototype new functions.
+ (enum optab_methods): Move here from optabs.h.
+
+ * builtins.c, combine.c, doloop.c, function.c, ifcvt.c,
+ loop.c, profile.c, simplify-rtx.c, stmt.c, unroll.c:
+ Use new functions instead of working directly with optabs.
+ * doloop.c, ifcvt.c, loop.c, profile.c, simplify-rtx.c,
+ unroll.c: Don't include optabs.h.
+ * caller-save.c, combine.c, function.c, stmt.c: Just include
+ insn-codes.h, not optabs.h.
+ * Makefile.in: Update dependencies.
+
+ * combine.c (make_compound_operation, simplify_comparison):
+ Fix typos testing for this or that instruction.
+
+2001-08-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
+
+ * mklibgcc.in: Prefer LIB1ASMFUNCS over LIB2_DIVMOD_FUNCS when
+ generating libgcc.a.
+
+2001-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * except.c (TYPE_HASH): Delete.
+
+ * objc/objc-act.c (HASHFUNCTION): Cast to size_t, not
+ HOST_WIDE_INT.
+
+ * tree.c (TYPE_HASH): Delete.
+
+ * tree.h (TYPE_HASH): Define.
+
+2001-08-18 Graham Stott <grahams@redhat.com>
+
+ * config/mips/mips.md (adddi3_internal_2+1): Remove constraints from
+ define_split.
+ (adddi3_internal_2+2): Likewise.
+ (eh_set_lr_di+1): Likewise.
+
+2001-08-17 Richard Henderson <rth@redhat.com>
+
+ * defaults.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
+ UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Move from ...
+ * dwarf2asm.c: ... here.
+ * dwarfout.c: Remove them.
+
+ * varasm.c (assemble_integer): Add align parameter.
+ (assemble_real, output_constant, output_constructor): Likewise.
+ * output.h: Update decls.
+ * dwarf2asm.c, final.c, varasm.c, config/darwin.c, config/nextstep.c,
+ config/alpha/alpha.c, config/arm/arm.md, config/clipper/clipper.c,
+ config/m88k/m88k.c, config/mcore/mcore.md, config/mips/mips.h,
+ config/mips/mips.md, config/pa/pa.c, config/rs6000/rs6000.c,
+ config/rs6000/rs6000.h, config/s390/s390.h, config/sh/sh.md:
+ Update all callers.
+
+ * final.c (end_final): Abort profile block generation if we
+ haven't layed it out properly.
+ * output.h (assemble_eh_integer): Remove stale decl.
+ * varasm.c (assemble_zeros): Tidy; use assemble_integer.
+ (min_align): New.
+ (assemble_integer): Handle unaligned data.
+ (assemble_real): Abort on unaligned data.
+ (output_constructor): Don't assume ASM_OUTPUT_ALIGN 0 does
+ anything useful.
+ (default_dtor_section_asm_out_destructor): Use assemble_align.
+ (default_named_section_asm_out_constructor): Likewise.
+ (default_ctor_section_asm_out_constructor): Likewise.
+ * config/darwin.c (machopic_asm_out_constructor): Likewise.
+ (machopic_asm_out_destructor): Likewise.
+ * config/nextstep.c (nextstep_asm_out_constructor): Likewise.
+ (nextstep_asm_out_destructor): Likewise.
+ * config/alpha/alpha.c (vms_asm_out_constructor): Likewise.
+ (vms_asm_out_destructor): Likewise.
+
+2001-08-17 Richard Henderson <rth@redhat.com>
+
+ * config/mips/iris6.h (TARGET_IRIX6): New.
+ (current_section_name, current_section_flags): New.
+ (ASM_OUTPUT_ALIGN, ASM_FILE_START, ASM_FILE_END): New.
+ (MAX_OFILE_ALIGNMENT): New.
+ (ASM_OUTPUT_ALIGNED_LOCAL): Use bss_section.
+ * config/mips/mips.c (mips_make_temp_file, temp_filename): Remove.
+ (copy_file_data): Split out from
+ (mips_asm_file_end): ... here.
+ (mips_asm_file_start): Remove extra .section directive. Use
+ tmpfile instead of mips_make_temp_file.
+ (mips_unique_section): Use const char * as needed for warnings.
+ (iris6_asm_named_section_1): Renamed from iris6_asm_named_section;
+ re-add align parameter.
+ (iris6_asm_named_section): New.
+ (iris_section_align_entry_eq, iris_section_align_entry_hash): New.
+ (iris6_asm_output_align, iris6_section_align_1): New.
+ (iris6_asm_file_start, iris6_asm_file_end): New.
+ * config/mips/mips-protos.h: Update decls.
+
+2001-08-17 Janis Johnson <janis187@us.ibm.com>
+
+ * doc/install.texi (Install GCC): Add links to build status pages.
+ (Specific): Ditto.
+ (Final install): Ditto; request updates for specific info
+
+2001-08-17 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cpperror.c (print_location): Don't take a file name; use the
+ line map instead.
+ (_cpp_begin_message): Similarly.
+ (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
+ cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line): Update.
+ (cpp_pedwarn_with_file_and_line): Remove.
+ * cppfiles.c (stack_include_file): Update; set filename to stdin
+ here when appropriate.
+ * cpphash.h (struct cpp_buffer): Remove nominal_fname.
+ (_cpp_begin_message): Don't take a file name.
+ * cppinit.c: Add comment.
+ * cpplex.c: Fix end-of-directive indicator.
+ * cpplib.c: Don't include intl.h.
+ (run_directive, do_diagnostic): Update.
+ (do_line): Update to not use nominal_fname.
+ (cpp_push_buffer): Don't take a filename.
+ * cpplib.h (struct ht): Remove.
+ (cpp_push_buffer): Don't take a filename.
+ (cpp_pedwarn_with_file_and_line): Remove.
+ * cppmacro.c (struct cpp_macro): Remove file.
+ (builtin_macro): Update.
+ (_cpp_create_definition): Update.
+ * cppmain.c: Correct comment.
+ * fix-header.c (read_scan_file): Update.
+
+2001-08-17 Kazu Hirata <kazu@hxi.com>
+
+ * sbitmap.c: Fix comment formatting.
+ * sched-deps.c: Likewise.
+ * sibcall.c: Likewise.
+ * simplify-rtx.c: Likewise.
+ * ssa.c: Likewise.
+ * ssa-ccp.c: Likewise.
+ * stor-layout.c: Likewise.
+ * timevar.c: Likewise.
+ * toplev.c: Likewise.
+ * unwind-dw2.c: Likewise.
+ * unwind-dw2-fde.c: Likewise.
+ * varasm.c: Likewise.
+
+2001-08-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
+
+ * pa.h (RETURN_IN_MEMORY): Return types with a size that is varable
+ or larger than an integer in memory.
+
+2001-08-17 Zack Weinberg <zackw@panix.com>
+
+ * system.h: Forward-declare struct rtx_def, struct rtvec_def,
+ and union tree_node. Typedef rtx, rtvec, and tree. Fix comment.
+ * rtl.h: Don't forward-declare union tree_node here. Don't
+ typedef rtx or rtvec here. Change all uses of struct rtx_def *,
+ struct rtvec_def *, or union tree_node * to use rtx, rtvec,
+ and tree respectively.
+ * tree.h: Don't forward-declare struct rtx_def here. Don't
+ typedef tree here. Change all uses of struct rtx_def *,
+ struct rtvec_def *, or union tree_node * to use rtx, rtvec,
+ and tree respectively.
+
+2001-08-17 Richard Henderson <rth@redhat.com>
+
+ * config/mips/elf.h, config/mips/elf64.h, config/mips/netbsd.h,
+ config/mips/openbsd.h: Fix typos last change.
+
+2001-08-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
+
+ * doc/invoke.texi (Optimize Options): The default for
+ -finline-limit is 600.
+
+2001-08-17 Richard Henderson <rth@redhat.com>
+
+ * varasm.c (text_section): Allow TEXT_SECTION to override the
+ printing of TEXT_SECTION_ASM_OP.
+ * dwarf2out.c (TEXT_SECTION_NAME): Rename from TEXT_SECTION.
+ (DATA_SECTION, BSS_SECTION): Remove.
+ * dwarfout.c (TEXT_SECTION_NAME, DATA_SECTION_NAME, DATA1_SECTION_NAME,
+ RODATA_SECTION_NAME, RODATA1_SECTION_NAME, BSS_SECTION_NAME):
+ Rename from s/_NAME//.
+ * config/mips/mips.h (TARGET_FILE_SWITCHING): Add !TARGET_MIPS16.
+ (ASM_DECLARE_FUNCTION_NAME): Move file switching ...
+ (TEXT_SECTION): ... here. New.
+ * config/mips/elf.h (TEXT_SECTION): New; no file switching.
+ * config/mips/elf64.h, config/mips/netbsd.h: Likewise.
+ * config/mips/openbsd.h: Likewise.
+ * config/mips/mips.c (mips_asm_file_start): Tidy file switching test.
+ (mips_asm_file_end): Likewise test.
+ (mips_output_function_epilogue): Likewise. Switch back to data
+ section after emitting the function.
+
+ * doc/tm.texi (Sections): Document TEXT_SECTION.
+
+2001-08-17 Richard Henderson <rth@redhat.com>
+
+ * dwarf2out.c (dwarf2out_init): Don't emit .debug_loc label here.
+ (dwarf2out_finish): Do it here. Emit .debug_loc before .debug_info.
+
+2001-08-17 Richard Henderson <rth@redhat.com>
+
+ * varasm.c (assemble_variable): Don't overalign if DECL_USER_ALIGN.
+ * crtstuff.c (__CTOR_LIST__, __DTOR_LIST__, __EH_FRAME_BEGIN__,
+ __JCR_LIST__, __CTOR_END__, __DTOR_END__, __FRAME_END__,__JCR_END__):
+ Add aligned attribute.
+
+2001-08-17 Andrew Haley <aph@cambridge.redhat.com>
+
+ * config/sh/sh.md: Add modes to unspecs in first insn to match
+ those in the second.
+
+ * Makefile.in: Fix collect2 copy for Cygwin.
+
+Fri Aug 17 15:48:57 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ Install the proper patch.
+ * function.c (put_var_into_stack): Temporarily clear DECL_RTL.
+ (assign_params): Avoid setting DECL_RTL to unfinished RTX.
+ (expand_function_start): Likewise.
+ * stmt.c (expand_decl): Likewise.
+ * varasm.c (make_decl_rtx): Likewise.
+
+Fri Aug 17 15:41:35 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * final.c: Undo my previous accidental checkin.
+ * output.h: Likewise.
+ * tm.texi: Likewise.
+
+2001-08-16 Richard Henderson <rth@redhat.com>
+
+ * varasm.c (named_section_flags): Remove align parameter.
+ * varasm.c, dwarf2out.c: Update all callers.
+ * output.h: Update prototypes.
+
+ * target.h (target.asm_out.named_section): Remove align parameter.
+ * varasm.c, config/a29k/a29k.c, config/alpha/alpha.c,
+ config/arm/arm.c, config/c4x/c4x.c, config/h8300/h8300.c,
+ config/i386/i386.c, config/i386/winnt.c, config/m68k/m68k.c,
+ config/mcore/mcore.c, config/mips/mips.c, config/rs6000/rs6000.c,
+ config/sh/sh.c, config/sparc/sparc.c: Update implementations to match.
+
+ * varasm.c (in_named_entry_eq, in_named_entry_hash): New.
+ (get_named_section_flags, set_named_section_flags): New.
+ (named_section_flags): Use them.
+ (named_section): Do decl vs section flags check here...
+ (default_section_type_flags): ... not here.
+ (init_varasm_once): Create in_named_htab.
+ (resolve_unique_section): Mark reloc unused.
+
+2001-08-16 Richard Henderson <rth@redhat.com>
+
+ * varasm.c (force_const_mem): Keep pool alignment in bits.
+ (output_constant_pool): Use assemble_align.
+
+2001-08-16 Zack Weinberg <zackw@panix.com>
+
+ * doc/tm.texi: Remove extra @table command.
+
+2001-08-16 Zack Weinberg <zackw@panix.com>
+
+ * final.c (shorten_branches): Clear the end of the label_align
+ array only if we made it larger. Break up messy expressions
+ for clarity.
+
+ * diagnostic.c (internal_error): Check for error recursion
+ before doing ICE suppression.
+
+ * timevar.c: Timing variables now count in milliseconds.
+ (init_timevar): Set up ticks_to_msec and clocks_to_msec here.
+ (get_time): Not here.
+ (timevar_print): Don't print any timer whose user, cpu, and
+ wall times are all zero as displayed.
+ * timevar.h: Update comment aboout units. Make timevar
+ counters unsigned.
+
+Thu Aug 16 17:39:45 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * function.c (put_var_into_stack): Temporarily clear DECL_RTL.
+ (assign_params): Avoid setting DECL_RTL to unfinished RTX.
+ (expand_function_start): Likewise.
+ * stmt.c (expand_decl): Likewise.
+ * varasm.c (make_decl_rtx): Likewise.
+
+2001-08-16 Jason Merrill <jason_merrill@redhat.com>
+
+ * stor-layout.c (layout_decl): Don't set DECL_USER_ALIGN.
+ (finalize_record_size): Don't set TYPE_USER_ALIGN.
+
+2001-08-16 Matt Kraai <kraai@alumni.carnegiemellon.edu>
+
+ * config/i386/i386.c (ix86_init_mmx_sse_builtins): Remove unused
+ variables.
+
+2001-08-16 Andreas Jaeger <aj@suse.de>
+
+ * config/s390/s390.c: Include "debug.h" for dwarf2out_do_frame
+ prototype.
+
+Wed Aug 15 15:22:52 EDT 2001 John Wehle (john@feith.com)
+
+ * rtl.h (only_sets_cc0_p): New prototype.
+ * jump.c (sets_cc0_p): Handle INSN.
+ (only_sets_cc0_p): New function.
+ * flow.c (merge_blocks_nomove): Use only_sets_cc0_p.
+ (tidy_fallthru_edge): Likewise.
+ * integrate.c (copy_insn_list): Likewise.
+ * unroll.c (unroll_loop): Likewise.
+ (copy_loop_body): Likewise.
+
+2001-08-15 Jason Eckhardt <jle@redhat.com>
+
+ * config/i960/i960.md (trap): Change "faulteq.t" to "faulte.t".
+
+Wed Aug 15 14:24:22 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * predict.c (struct block_info_def): Remove nvisited.
+ (propagate_freq): Use EDGE_DFS_BACK to detect irreducible regions.
+ (estimate_bb_frequencies): Call mark_dfs_back_edges.
+
+ * i386.c (ix86_agi_dependant): Lea causes AGI only on the Pentium
+ (ix86_adjust_cost): Teach scheduler that latency to load operand can
+ be masked.
+
+Wed Aug 15 12:41:32 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * predict.def: Update hitrates.
+
+2001-08-15 Richard Henderson <rth@redhat.com>
+
+ * except.c (TYPE_HASH): Cast to size_t, not HOST_WIDE_INT.
+
+Tue Aug 14 17:30:59 2001 Jeffrey A Law (law@cygnus.com)
+
+ * flow.c (commit_one_edge_insertion): Don't separate a LOOP_BEG
+ note from its associated jump.
+
+2001-08-14 Ulrich Weigand <uweigand@de.ibm.com>
+
+ * config/s390/linux64.h (CPP_PREDEFINES): Define __s390__
+ also on 64-bit s390x targets.
+
+2001-08-14 Nick Clifton <nickc@cambridge.redhat.com>
+
+ * config/arm/arm.c (arm_compute_initial_elimination_offset): New
+ function.
+ (arm_expand_prologue): Handled nested functions which take a
+ variable argument list.
+ * config/arm/arm.h (ARM_INITIAL_ELIMINATION_OFFSET): Replace
+ macro with an invocation of
+ arm_compute_initial_elimination_offset.
+ * config/arm/arm-protos.h: Prototype
+ arm_compute_initial_elimination_offset.
+
+2001-08-14 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
+
+ * doc/install.texi (Specific, avr): Fix markup.
+ (Specific, c4x): Ditto.
+
+2001-08-14 Matt Kraai <kraai@alumni.carnegiemellon.edu>
+
+ * predict.c (dump_prediction): Change `bool' parameter to `int'.
+
+2001-08-14 Gabriel Dos Reis <gdr@codesourcery.com>
+
+ * Makefile.in (OBJS): Add rtl-error.o
+ (rtl-error.o): New rule.
+ (diagnostic.o): Adjust dependency.
+ diagnostic.c (file_and_line_for_asm, diagnostic_for_asm,
+ error_for_asm, _fatal_insn, _fatal_insn_not_found,
+ warning_for_asm): Move to...
+ rtl-error.c: ...here. New file.
+
+2001-08-14 Richard Henderson <rth@redhat.com>
+
+ * dwarf2out.c (dwarf2out_frame_finish): Never emit .eh_frame
+ if USING_SJLJ_EXCEPTIONS.
+
+2001-08-14 Steve Ellcey <sje@cup.hp.com>
+
+ * tlink.c (scan_linker_output): Check string for unsatisfied in
+ addition to undefined and unresolved.
+
+2001-08-14 Graham Stott <grahams@redhat.com>
+
+ * libgcc2.c (*): Replace EH_FRAME_SECTION with
+ EH_FRAME_SECTION_NAME.
+
+Tue Aug 14 14:57:07 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * genattrtab.c (simplify_test_exp_in_temp): New function.
+ (simplify_test_exp): Avoid explicit use of temporary obstack.
+ (simplify_cond, insert_right_side, evaluate_eq_attr,
+ simplify_and_tree, simplify_or_tree, eliminate_known_true):
+ Use simplify_test_exp_in_temp.
+ (optimize_attrs): Iterate until expression stabilizes.
+
+2001-08-13 Ulrich Weigand <uweigand@de.ibm.com>:
+
+ * glimits.h: Remove the __LONG_MAX__ special case for s390x.
+ * config/s390/linux64.h: Define __LONG_MAX__ in CPP_PREDEFINES.
+
+2001-08-13 Richard Henderson <rth@redhat.com>
+
+ * config/arm/unknown-elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END): Remove.
+ (DTOR_LIST_BEGIN, DTOR_LIST_END): Remove.
+ * config/arm/conix-elf.h: Likewise.
+
+2001-08-13 Geoffrey Keating <geoffk@redhat.com>
+
+ * config/svr4.h (LINK_SPEC): Don't do -Wl, here, it is done
+ in gcc.c.
+ * config/rs6000/sysv4.h (LINK_SPEC): Likewise.
+
+ * gcse.c (hash_scan_set): Expressions that are set as part of
+ jump instructions are not available.
+
+2001-08-13 Ulrich Weigand <uweigand@de.ibm.com>
+
+ * config/s390/s390.c (print_operand, s390_function_prologue,
+ s390_va_start): Fixed HOST_WIDE_INT type mismatch.
+
+2001-08-13 Richard Henderson <rth@redhat.com>
+
+ * config/rs6000/xcoff.h (EH_FRAME_IN_DATA_SECTION): New.
+ * defaults.h (EH_FRAME_SECTION_NAME): Respect it.
+ * doc/tm.texi (Exception Region Output): Document it.
+
+2001-08-13 Geoffrey Keating <geoffk@redhat.com>
+
+ * config/rs6000/sysv4.h (PREFERRED_DEBUGGING_TYPE): Use
+ DWARF2 instead of stabs by default.
+
+2001-08-13 David Edelsohn <edelsohn@gnu.org>
+
+ * config/rs6000/rs6000.c: Include optabs.h.
+
+2001-08-13 David Edelsohn <edelsohn@gnu.org>
+
+ * config/rs6000/eabi.asm: Define 64-bit versions of FPR
+ save/restore routines.
+ * ginclude/ppc-asm.h: Define 64-bit FUNC_* macros.
+
+2001-08-13 Andreas Jaeger <aj@suse.de>
+
+ * gcc.c (init_spec): Revert last patch by Theodore Papadopoulo,
+ the english is correct.
+
+2001-08-13 Zack Weinberg <zackw@panix.com>
+
+ * expr.h: Split out optab- and libfunc-related code to...
+ * optabs.h, libfuncs.h: ... these new headers.
+
+ * Makefile.in (CONFIG_H, EXPR_H): Take out insn-codes.h.
+ (OPTABS_H): New.
+ (various .o rules): Add $(OPTABS_H) and/or libfuncs.h to
+ dependencies.
+ * mkconfig.sh: Don't include insn-codes.h from config.h.
+
+ * reload.h: Use #ifdef GCC_INSN_CODES_H to decide whether
+ enum insn_code is available. Move reload_in_optab and
+ reload_out_optab array declarations to optabs.h.
+ * regmove.c (gen_add3_insn): Move to optabs.c, export from
+ there, prototype in expr.h.
+ * gencodes.c: Cleanup: zap global variables, don't use
+ printf where puts will do, don't bother defining MAX_INSN_CODE
+ which nothing uses, let CODE_FOR_nothing get its value implicitly.
+
+ * genemit.c, genopinit.c: Include optabs.h in generated file.
+ * genoutput.c: Include insn-codes.h in generated file.
+ * builtins.c, caller-save.c, combine.c, doloop.c, explow.c,
+ expmed.c, expr.c, function.c, ifcvt.c, loop.c, optabs.c, profile.c,
+ reload1.c, simplify-rtx.c, stmt.c, unroll.c, config/alpha/alpha.c,
+ config/arm/arm.c, config/c4x/c4x.c, config/clipper/clipper.c,
+ config/i386/i386.c, config/ia64/ia64.c, config/mn10300/mn10300.c,
+ config/pj/pj.c, config/sh/sh.c, config/sparc/sparc.c:
+ Include optabs.h.
+ * builtins.c, calls.c, dwarf2out.c, except.c, expr.c, function.c,
+ optabs.c, stmt.c, config/c4x/c4x.c, config/clipper/clipper.c,
+ config/m88k/m88k.c, config/sparc/sparc.c:
+ Include libfuncs.h.
+ * reload.c: Include expr.h and optabs.h before reload.h.
+ * config/alpha/alpha.c: Include tree.h before reload.h.
+ * config/pa/pa.c: Include expr.h, optabs.h, libfuncs.h,
+ and reload.h in that order.
+ * config/sparc/sparc.c: Include debug.h.
+ * recog.c: Include insn-codes.h.
+
+2001-08-13 Andreas Jaeger <aj@suse.de>
+
+ * config.gcc: Use t-slibgcc-elf to build shared libgcc_s on
+ s390*linux.
+
+2001-08-13 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
+
+ * dwarf2out.c (output_cfa_loc): Fix typo in comment.
+ * gcc.c (init_spec): Fix typo in comment.
+ * varasm.c (data_section): Fix typo in comment.
+
+Mon Aug 13 02:27:39 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * predict.c (dump_prediction): New argument "USED".
+ (combine_predictions_for_insn): Determine the used heuristics,
+ output the case no heuristic applied.
+ * predict.def (PRED_DS_THEORY, PRED_NO_HEURISTIC): New.
+
+2001-08-13 Andreas Jaeger <aj@suse.de>
+
+ * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Don't capitalize
+ register %rip.
+
+2001-08-13 Kazu Hirata <kazu@hxi.com>
+
+ * jump.c: Fix formatting.
+
+2001-08-13 Kazu Hirata <kazu@hxi.com>
+
+ * config/h8300/h8300.md (zero_extendqihi2): Correct the insn
+ length.
+
+2001-08-12 Geoffrey Keating <geoffk@redhat.com>
+
+ * loop.c (check_dbra_loop): Use condjump_label to compute
+ jump_label.
+
+ * rtl.h: Move prototypes of rtx_alloc and rtvec_alloc around
+ to better document the files they're in.
+
+2001-08-12 Zack Weinberg <zackw@panix.com>
+
+ * recog.h (struct insn_operand_data): Shrink 'mode' field
+ to 16 bits.
+
+2001-08-12 Kazu Hirata <kazu@hxi.com>
+
+ * gcc.c: Fix comment formatting.
+ * gccspec.c: Likewise.
+ * gcov.c: Likewise.
+ * gcse.c: Likewise.
+ * genemit.c: Likewise.
+ * gengenrtl.c: Likewise.
+ * genrecog.c: Likewise.
+ * gensupport.c: Likewise.
+ * ggc-page.c: Likewise.
+ * global.c: Likewise.
+ * graph.c: Likewise.
+ * ifcvt.c: Likewise.
+ * integrate.c: Likewise.
+ * lcm.c: Likewise.
+ * libgcc2.c: Likewise.
+ * loop.c: Likewise.
+ * mbchar.c: Likewise.
+ * optabs.c: Likewise.
+ * predict.c: Likewise.
+ * prefix.c: Likewise.
+ * profile.c: Likewise.
+ * protoize.c: Likewise.
+ * real.c: Likewise.
+ * recog.c: Likewise.
+ * regclass.c: Likewise.
+ * regmove.c: Likewise.
+ * reg-stack.c: Likewise.
+ * reload1.c: Likewise.
+ * resource.c: Likewise.
+ * rtlanal.c: Likewise.
+ * rtl.c: Likewise.
+
+2001-08-12 Kazu Hirata <kazu@hxi.com>
+
+ * doc/tm.texi (ENCODE_SECTION_INFO): Add documentation on how
+ a tree representing a constant is passed to the macro.
+
+2001-08-12 Richard Henderson <rth@redhat.com>
+
+ * config/rs6000/rs6000.c (rs6000_elf_asm_out_constructor): New.
+ (rs6000_elf_asm_out_destructor): New.
+ * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): Remove.
+ (DTORS_SECTION_ASM_OP): Remove.
+ (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
+ (ASM_OUTPUT_INT): Don't hack TARGET_RELOCATABLE for constructors.
+
+2001-08-12 David Edelsohn <edelsohn@gnu.org>
+
+ Revert:
+ 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
+ * gcc.c (set_collect_gcc_options): New function, split out from
+ main.
+ Ignore elided switches.
+ (do_spec_1): Invoke before executing command.
+ (set_input): Export.
+ Move declaration ...
+ * gcc.h (set_input): ... here.
+ * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
+ file.
+
+2001-08-12 Richard Henderson <rth@redhat.com>
+
+ * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Fix
+ thinko wrt TARGET_RELOCATABLE.
+
+2001-08-12 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * fix-header.c (cb_file_change): Update prototype.
+
+2001-08-11 Zack Weinberg <zackw@panix.com>
+
+ * toplev.c (set_float_handler): Make static.
+ * toplev.h: Don't prototype set_float_handler.
+
+ * simplify-rtx.c: Don't include setjmp.h.
+ (simplify_unary_real, simplify_binary_real, simplify_binary_is2orm1):
+ New functions.
+ (simplify_unary_operation, simplify_binary_operation): Use them,
+ via do_float_handler.
+
+ * fold-const.c: Don't include setjmp.h.
+ (exact_real_inverse_1): New function.
+ (exact_real_inverse): Use it, via do_float_handler.
+
+ * varasm.c: Don't include setjmp.h.
+ (assemble_real_1): New function.
+ (assemble_real): Use it, via do_float_handler.
+ Call internal_error if we get a trap here.
+
+ * c-parse.in, cse.c, cselib.c, config/i386/i386.c,
+ config/pj/pj.c, config/s390/s390.c: Don't include setjmp.h.
+
+2001-08-11 Zack Weinberg <zackw@panix.com>
+
+ * defaults.h: Define PREFERRED_STACK_BOUNDARY to
+ STACK_BOUNDARY if not already defined.
+
+ * calls.c, function.c, reload1.c, explow.c: Don't default
+ PREFERRED_STACK_BOUNDARY. Remove all #if/#ifdef on
+ PREFERRRED_STACK_BOUNDARY and/or STACK_BOUNDARY.
+
+ * explow.c (allocate_dynamic_stack_space): Change unsafe #if
+ to run-time test.
+
+ * doc/tm.texi: Document that STACK_BOUNDARY is required;
+ clarify difference between it and PREFERRED_STACK_BOUNDARY.
+
+2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cppmacro.c (enter_macro_context): Push macro expansions even
+ if empty.
+
+2001-08-11 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
+
+ * config/rs6000/rs6000.c: Include integrate.h to silence warning.
+ (rs6000_elf_section_type_flags): Actually return a value.
+
+2001-08-11 Ulrich Weigand <uweigand@de.ibm.com>
+
+ * s390.c, s390.h, s390.md, s390-protos.h, linux.h, t-linux:
+ Clean up code: add missing comments and prototypes, fix warnings,
+ remove obsolete code, fix spacing to conform to coding style.
+
+2001-08-11 Ulrich Weigand <uweigand@de.ibm.com>
+
+ * config/s390/s390.c (targetm): Define TARGET_ASM_OPEN_PAREN
+ and TARGET_ASM_CLOSE_PAREN.
+ (regclass_map): CC register belongs to class NO_REGS.
+ (legitimize_pic_address): Don't generate unnecessary moves
+ (to avoid confusing loop optimization).
+ (check_and_change_labels): Replace jump_long by indirect_jump.
+ (s390_final_chunkify): Don't start a new literal pool on section
+ switch in 64-bit code.
+ (s390_va_start, s390_va_arg): Fixed incorrect sizes for 64-bit.
+
+ * config/s390/s390.h (TARGET_SWITCHES): Renamed debug_arg to debug.
+ (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE): Set to 64 (for 64-bit).
+ (HARD_REGNO_MODE_OK, RETURN_IN_MEMORY): Support complex integer
+ modes correctly.
+ (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Remove CC_REGS.
+ (EH_RETURN_HANDLER_RTX): Fixed incorrect offset for 64-bit.
+ (CONST_COSTS): Fixed incorrect costs.
+
+ * config/s390/s390.md (fixuns_trunc[sd]f[sd]i2, udivsi3, umodsi3):
+ Use emit_jump instead of emit_jump_insn (gen_jump).
+ (divsi3, modsi3): Clobber low word of divmoddisi3 before shifting
+ (to avoid confusing flow analysis).
+ (tablejump, tablejump1, tablejump2): Removed. Replaced by casesi.
+ (casesi, casesi_jump): New.
+ (jump_long): Removed. Functionality merged into indirect_jump.
+ (indirect_jump): Accept address_operand, not just register_operand.
+ (cjump_long, icjump_long): Use same logic as indirect_jump.
+ (builtin_setjmp_setup, builtin_setjmp_receiver, builtin_longjmp):
+ Fixed broken setjmp/longjmp handling.
+ (do_builtin_setjmp_setup): Removed.
+
+ * config/s390/linux.h (ASM_OUTPUT_DOUBLE_INT): Work around
+ broken GNU as versions that don't accept .quad with large
+ negative values. Use hexadecimal output instead.
+ (ASM_OUTPUT_ADDR_DIFF_ELT): Adapt to new casesi insn.
+ (ASM_OPEN_PAREN, ASM_CLOSE_PAREN, FUNCTION_PROLOGUE,
+ FUNCTION_EPILOGUE): Removed. Now in targetm.
+
+ * config/s390/linux64.h (CALL_USED_REGISTERS): Add CC register.
+
+ * config/s390/fixdfdi.h: Add missing copyright statement.
+ Fix type conflicts on 64-bit. Add missing SFmode routines.
+
+ * s390.c, s390.h, s390.md, linux.h, linux64.h: Fixed incorrect
+ email address.
+
+2001-08-11 Richard Henderson <rth@redhat.com>
+
+ * rtl.h (REG_EH_RETHROW): Remove.
+ * rtl.c (reg_note_name): Update.
+ * combine.c (distribute_notes): Don't check for it.
+
+2001-08-11 Richard Henderson <rth@redhat.com>
+
+ * combine.c (distribute_notes): Place REG_SETJMP.
+
+2001-08-11 Richard Henderson <rth@redhat.com>
+
+ * doc/extend.texi (Arrays and pointers implementation): Discourage
+ relying on sign-extension of pointers.
+
+2001-08-11 H.J. Lu <hjl@gnu.org>
+
+ * config/mips/linux.h (EXTRA_SECTIONS): Remove in_ctors and
+ in_dtors.
+ (EXTRA_SECTION_FUNCTIONS): Remove DTORS_SECTION_ASM_OP and
+ RDATA_SECTION_ASM_OP.
+
+2001-08-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
+
+ * doc/install.texi (Specific, c4x): Fix cross-reference to the
+ main manual to work both for info and HTML versions.
+
+2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
+ Matt Kraai <kraai@alumni.carnegiemellon.edu>
+
+ * cpphash.c (_cpp_destroy_hashtable): Use ht_destroy.
+ * cpphash.h (CPP_IN_SYSTEM_HEADER): Fix.
+ (struct cpp_pool): New member first.
+ * cppinit.c (append_include_chain): Plug memory leaks.
+ * cpplib.c (cpp_register_pragma, cpp_register_pragma_space):
+ Allocate pragma structures from the (aligned) macro pool to
+ avoid leaking memory.
+ * cpplex.c (_cpp_init_pool, _cpp_free_pool): Use pool->first
+ so we don't leak memory.
+ * hashtable.c (ht_destroy): New.
+ * hashtable.h (ht_destroy): New.
+
+2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
+ Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
+
+ * c-lex.c (map): Make const.
+ (cb_file_change): Update for callback passing a line map.
+ Don't assume we have a previous map. Remove sanity check
+ about popping too many files.
+ * cpperror.c (print_location): Make map const.
+ * cppfiles.c (stack_include_file): Update; line maps now hold sysp.
+ (cpp_make_system_header): Similarly.
+ (search_from): Similarly.
+ (_cpp_execute_include): Don't remember where we came from.
+ * cpphash.h (struct cpp_buffer): Remove return_to_line, sysp.
+ (struct cpp_reader): Make map const.
+ (CPP_IN_SYSTEM_HEADER, _cpp_do_file_change): Update.
+ * cpplib.c (do_line): Update; line maps now hold sysp.
+ (cpp_push_buffer): Similarly.
+ (_cpp_do_file_change): Similarly; callback with map instead.
+ (cpp_get_line_maps): Constify return value.
+ (_cpp_pop_buffer): Update.
+ * cpplib.h (struct cpp_file_change): Remove.
+ (struct cpp_callbacks): Update.
+ (cpp_get_line_maps): Constify return value.
+ * cppmacro.c (_cpp_create_definition): Update.
+ * cppmain.c (struct printer): Constify map.
+ (maybe_print_line): Similarly.
+ (print_line): Similarly. Deduce flags 1 and 2 here.
+ (cb_file_change): Update.
+ * line-map.c (free_line_maps): Warn regardless.
+ (add_line_map): Return pointer to const. When passed NULL to_file
+ with LC_LEAVE, use the obvious values for the return point so the
+ caller doesn't have to figure them out.
+ (lookup_line): Return pointer to const.
+ (print_containing_files): Take pointer to const.
+ * line-map.h (struct line_map): New members reason, sysp.
+ (add_line_map): Return pointer to const.
+ (lookup_line): Similarly.
+ (print_containing_files): Take pointer to const.
+
+2001-08-10 Roman Zippel <zippel@linux-m68k.org>
+ Richard Henderson <rth@redhat.com>
+
+ * regmove.c (regmove_optimize): Avoid setting a register twice in
+ a parallel set.
+
+2001-08-10 Richard Henderson <rth@redhat.com>
+
+ * doc/extend.texi (Arrays and pointers implementation): Document
+ behavior of pointer/integer conversion.
+
+2001-08-10 Ulrich Weigand <uweigand@de.ibm.com>
+
+ * glimits.h (__LONG_MAX__): Add s390x as 64-bit architecture.
+
+2001-08-10 Richard Henderson <rth@redhat.com>
+
+ * doc/extend.texi (C Implementation): New chapter.
+ * doc/gcc.texi (Top): Link it in.
+
+2001-08-10 Andrew Cagney <ac131313@redhat.com>
+
+ * doc/install.texi (Specific): Fix CVS merge botch.
+
+2001-08-10 Richard Henderson <rth@redhat.com>
+
+ * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): Protect with
+ ifdef CTOR_LIST_BEGIN instead of INIT_SECTION_ASM_OP.
+
+2001-08-10 Zack Weinberg <zackw@stanford.edu>
+
+ * calls.c, function.c: Always define PREFERRED_STACK_BOUNDARY
+ if not already defined. Remove all #ifdefs on STACK_BOUNDARY;
+ this macro is now required.
+
+ * cselib.c (cselib_process_insn), flow.c (propagate_block),
+ loop.c (find_and_verify_loops), reload.c (reload): Check
+ for rtx code of CALL_INSN, not CALL, when deciding if we
+ need to check for REG_SETJMP note.
+
+ * gcse.c (compute_hash_table, compute_store_table): Update
+ the #ifdef NON_SAVING_SETJMP code to the new REG_SETJMP
+ logic.
+
+ * config/avr/avr.c: Fix typo.
+ * config/convex/convex.c (expand_movstr): Use adjust_address.
+ * config/dsp16xx/dsp16xx.c: Define dsp16xx_compare_gen
+ variable.
+ * config/dsp16xx/dsp16xx.md: Correct calls to replace_equiv_address.
+ * config/elxsi/elxsi.c: Include tree.h, expr.h, regs.h, and flags.h.
+ Fix typo.
+ * config/elxsi/elxsi.h: Don't define Rmode (typo for Pmode?)
+ Do define STACK_BOUNDARY.
+ * config/i370/i370.c: Include expr.h.
+ * config/i860/sysv3.h, config/i860/sysv4.h, config/m32r/m32r.h,
+ config/pa/som.h, config/v850/v850.h: Take in_ctors and
+ in_dtors out of EXTRA_SECTIONS; take CTORS_SECTION_FUNCTION
+ and DTORS_SECTION_FUNCTION out of EXTRA_SECTION_FUNCTIONS.
+ * config/m88k/m88k.c: Include c-tree.h after expr.h.
+ * config/pdp11/pdp11.c: Include expr.h and toplev.h.
+ * config/romp/romp.c: Include expr.h after tree.h.
+ Include toplev.h.
+ (output_fpop): Use xmalloc, not oballoc.
+ * config/we32k/we32k.c: Include expr.h.
+
+2001-08-10 Kazu Hirata <kazu@hxi.com>
+
+ * config/h8300/h8300.h: Fix formatting.
+
+2001-08-08 Jason Merrill <jason_merrill@redhat.com>
+
+ * c-common.h (RETURN_NULLIFIED_P): Lose.
+ * c-semantics.c (genrtl_return_stmt): Don't check it.
+
+2001-08-10 Richard Sandiford <rsandifo@redhat.com>
+
+ * config/mips/mips.c (mips_add_large_offset_to_sp): New function.
+ (mips_annotate_frame_insn): New function.
+ (mips_emit_frame_related_store): New function.
+ (save_restore_insns): Don't mark instructions that set up the base
+ registers as frame-related. Add REG_FRAME_RELATED_EXPR notes to
+ the store instructions instead.
+ (mips_expand_prologue): If the stack size is moved into a temporary
+ register, do not mark that move as frame-related. Add a
+ REG_FRAME_RELATED_EXPR note to the stack adjustment instruction.
+
+2001-08-10 Richard Sandiford <rsandifo@redhat.com>
+
+ * config/mips/mips.c (save_restore_insns): Don't mark the RA's
+ stack slot as unchanging if current_function_calls_eh_return.
+
+2001-08-10 Richard Sandiford <rsandifo@redhat.com>
+
+ * config/mips/mips.md (reload_incc): Use HARD_REGNO_NREGS to
+ access the second half of the TFmode scratch operand.
+
+2001-08-10 Anthony Green <green@redhat.com>
+
+ * java/class.c (emit_register_classes): Conditionalize code on
+ JCR_SECTION_NAME.
+
+2001-08-10 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
+
+ * doc/install.texi (Specific, avr): Fix cross-reference to the
+ main manual to work both for info and HTML versions.
+
+2001-08-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
+
+ * stmt.c (expand_null_return_1): Remove code to generate simple returns
+ and "use_goto" argument.
+ (expand_null_return, expand_value_return): Update all callers.
+ * function.c (expand_function_end): Remove code to generate simple
+ return.
+ * config/vax/vax.md (epilogue): New expander for function return.
+ * doc/md.texi (epilogue): Remove "if defined".
+
+2001-08-09 Zack Weinberg <zackw@stanford.edu>
+
+ * Makefile.in: Partially revert my previous change:
+ put -DGENERATOR_FILE back in HOST_CFLAGS, take it out
+ of the hashtab.o and safe-ctype.o rules.
+
+2001-08-09 Richard Henderson <rth@redhat.com>
+
+ * Makefile.in (MAYBE_USE_COLLECT2): Remove; purge all uses.
+ (USE_COLLECT2): Remove duplicate definition.
+ * config.gcc (a29k-udi, a29k-wrs-vxworks) [tm_file]: Remove a29k/udi.h.
+ (use_collect2): Remove dead code.
+ * configure.in (use_collect2): Remove will_use_collect2 and
+ maybe_use_collect2; add USE_COLLECT2 to host_xm_defines and xm_defines.
+ * configure: Rebuild.
+
+ * target.h (targetm.asm_out.constructor): New.
+ (targetm.asm_out.destructor, targetm.have_ctors_dtors): New.
+ * target-def.h (TARGET_ASM_CONSTRUCTOR): New.
+ (TARGET_ASM_DESTRUCTOR, TARGET_HAVE_CTORS_DTORS): New.
+ * varasm.c (in_ctors, in_dtors): New.
+ (assemble_constructor, assemble_destructor): Remove.
+ (default_stabs_asm_out_destructor): New.
+ (default_named_section_asm_out_destructor): New.
+ (dtors_section, default_dtor_section_asm_out_destructor): New.
+ (default_stabs_asm_out_constructor): New.
+ (default_named_section_asm_out_constructor): New.
+ (ctors_section, default_ctor_section_asm_out_constructor): New.
+ * output.h: Update declarations.
+ * c-decl.c (c_expand_body): Use target hooks instead of
+ assemble_constructor and assemble_destructor.
+ * profile.c (output_func_start_profiler): Likewise.
+ * objc/objc-act.c (finish_objc): Likewise.
+ (build_module_descriptor): Tidy. Set TREE_PUBLIC properly
+ for the constructor.
+ * objc/Make-lang.in (objc-act.o): Depend on TARGET_H.
+
+ * crtstuff.c (CTORS_SECTION_ASM_OP): Don't define.
+ (DTORS_SECTION_ASM_OP): Likewise.
+ (__CTOR_LIST__): Use attribute section when possible.
+ (__DTOR_LIST__, __CTOR_END__, __DTOR_END__): Likewise.
+
+ * defaults.h (EH_FRAME_SECTION_NAME): Don't depend on
+ ASM_OUTPUT_CONSTRUCTOR.
+
+ * config/darwin.c (machopic_asm_out_constructor): New.
+ (machopic_asm_out_destructor): New.
+ * config/darwin-protos.h: Update declarations.
+ * config/darwin.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
+ (ASM_OUTPUT_DESTRUCTOR): Remove.
+ (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
+ * config/nextstep.c (nextstep_asm_out_constructor): New.
+ (nextstep_asm_out_destructor): New.
+ * config/nextstep.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
+ (ASM_OUTPUT_DESTRUCTOR): Remove.
+ (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
+ * config/nextstep21.h: Undef TARGET_ASM_*STRUCTOR instead of
+ ASM_OUTPUT_*STRUCTOR.
+ * config/i386/aix386ng.h: Likewise.
+
+ * config/elfos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Remove.
+ (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): No ctors/dtors.
+ (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
+ (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
+ * config/lynx.h: Likewise.
+ * config/netware.h: Likewise.
+ * config/psos.h: Likewise.
+ * config/alpha/alpha-interix.h: Likewise.
+ * config/alpha/elf.h: Likewise.
+ * config/arc/arc.h: Likewise.
+ * config/arm/aof.h: Likewise.
+ * config/arm/coff.h: Likewise.
+ * config/arm/elf.h: Likewise.
+ * config/c4x/c4x.h: Likewise.
+ * config/h8300/h8300.h: Likewise.
+ * config/i386/cygwin.h: Likewise.
+ * config/i386/djgpp.h: Likewise.
+ * config/i386/i386-coff.h: Likewise.
+ * config/i386/i386-interix.h: Likewise.
+ * config/i386/sco5.h: Likewise.
+ * config/i386/vsta.h: Likewise.
+ * config/i386/win32.h: Likewise.
+ * config/i960/i960-coff.h: Likewise.
+ * config/ia64/sysv4.h: Likewise.
+ * config/m68hc11/m68hc11.h: Likewise.
+ * config/m68k/coff.h: Likewise.
+ * config/m68k/mot3300.h: Likewise.
+ * config/m88k/m88k.h: Likewise.
+ * config/mcore/mcore-pe.h: Likewise.
+ * config/mcore/mcore.h: Likewise.
+ * config/mips/elf.h: Likewise.
+ * config/mips/elf64.h: Likewise.
+ * config/mips/iris6.h: Likewise.
+ * config/pa/pa64-hpux.h: Likewise.
+ * config/rs6000/sysv4.h: Likewise.
+ * config/sh/sh.h: Likewise.
+ * config/sparc/litecoff.h: Likewise.
+
+ * config/svr3.h (CTORS_SECTION_ASM_OP): Remove.
+ (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
+ (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
+ * config/1750a/1750a.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
+ (ASM_OUTPUT_DESTRUCTOR): Remove.
+ * config/a29k/a29k.c: Move include of tree.h.
+ * config/a29k/udi.h: Delete file.
+ * config/alpha/alpha.c (vms_asm_out_constructor): New.
+ (vms_asm_out_destructor): New.
+ * config/alpha/vms.h (EXTRA_SECTIONS): No ctors/dtors.
+ (EXTRA_SECTION_FUNCTIONS): Likewise.
+ (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
+ (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
+ * config/c4x/c4x.c: Move include of tree.h.
+ * config/clipper/clipper.c (clix_asm_out_constructor): New.
+ (clix_asm_out_destructor): New.
+ * config/clipper/clix.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
+ (ASM_OUTPUT_DESTRUCTOR): Remove.
+ (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
+ * config/i386/aix386.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
+ (TARGET_ASM_CONSTRUCTOR): New.
+ * config/i386/i386.c (ix86_svr3_asm_out_constructor): New.
+ (sco_asm_out_constructor): New.
+ * config/i386/sco5.h (TARGET_ASM_CONSTRUCTOR): New.
+ * config/i386/svr3gas.h: Remove stack grows up code.
+ Remove code duplicated from i386/sysv3.h.
+ (TARGET_ASM_CONSTRUCTOR): New.
+ (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
+ (DTORS_SECTION_FUNCTION, CTORS_SECTION_FUNCTION): Remove.
+ * config/i386/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
+ (TARGET_ASM_CONSTRUCTOR): New.
+ * config/m68hc11/m68hc11.c (m68hc11_asm_out_constructor): New.
+ (m68hc11_asm_out_destructor): New.
+ * config/m68hc11/m68hc11.h (TARGET_ASM_CONSTRUCTOR): New.
+ (TARGET_ASM_DESTRUCTOR): New.
+ * config/m68k/auxgas.h: Don't undef ASM_OUTPUT_*STRUCTOR.
+ * config/m68k/dpx2.h: Properly undef all the bits inherited from
+ config/svr3.h pertaining to section manipulation.
+ * config/m68k/dpx2g.h: Remove #if 0 code.
+ * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): New.
+ * config/m68k/tower-as.h (ASM_OUTPUT_SOURCE_LINE): Fix typo.
+ (ASM_OUTPUT_CONSTRUCTOR): Remove.
+ (TARGET_ASM_CONSTRUCTOR): New.
+ * config/m88k/m88k.c (m88k_layout_frame): Don't use assign_stack_local.
+ (m88k_svr3_asm_out_constructor): New.
+ (m88k_svr3_asm_out_destructor): New.
+ * config/m88k/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
+ (ASM_OUTPUT_DESTRUCTOR): Remove.
+ (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
+ * config/mips/mips.h: Remove #if 0 ASM_OUTPUT_*STRUCTOR code.
+ * config/rs6000/aix.h: Likewise.
+ * config/mips/rtems64.h: Don't undef removed constructor related bits.
+ * config/mips/vxworks.h: Likewise.
+ * config/rs6000/lynx.h: Likewise.
+ * config/sh/elf.h: Likewise.
+ * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): New.
+ (DTORS_SECTION_ASM_OP): New.
+ * config/sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
+ (ASM_OUTPUT_DESTRUCTOR): Remove.
+ * config/sparc/sol2-sld-64.h: Likewise.
+ * config/vax/vax.c (vms_asm_out_constructor): New.
+ (vms_asm_out_destructor): New.
+ * config/vax/vms.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
+ (ASM_OUTPUT_DESTRUCTOR): Remove.
+ (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
+
+ * doc/tm.texi (@node Initialization): Update.
+
+2001-08-09 Richard Henderson <rth@redhat.com>
+
+ * config/alpha/crtbegin.asm (__JCR_LIST__): New.
+ (__do_global_dtors_aux): Use gp-relative static data to avoid
+ one dynamic relocation.
+ (__do_frame_setup): Register Java classes.
+ * config/alpha/crtend.asm (__JCR_END__): New.
+
+2001-08-09 Zack Weinberg <zackw@stanford.edu>
+
+ * Makefile.in (HOST_CFLAGS): Take out -DGENERATOR_FILE.
+ (CONFIG_H, TCONFIG_H, TM_P_H): Update.
+ (GEN, STAGESTUFF): Add new files.
+ (insn-constants.h, s-constants, tm-preds.h, s-preds,
+ genconstants, genpreds, genconstants.o, genpreds.o): New rules.
+ (hashtab.o, safe-ctype.o): Add -DGENERATOR_FILE.
+ * mkconfig.sh: Include tm-preds.h in tm_p.h; insn-constants.h
+ as well as insn-codes.h and insn-flags.h in config.h; and no
+ extra headers in tconfig.h and hconfig.h.
+
+ * gencodes.c: Eliminate code to generate predicate declarations
+ or #defines for md-file constants.
+ * genconstants.c, genpreds.c: New files.
+
+ * i386.md: Re-order guard expressions such that TARGET_64BIT
+ comes first, when this permits better optimization. Add
+ TARGET_64BIT to more x86-64 patterns. Add comment explaining
+ why this is desirable.
+
+2001-08-09 Jakub Jelinek <jakub@redhat.com>
+
+ * config/ia64/fde-glibc.c: Require glibc 2.2.4+ headers.
+ (find_fde_for_dso): Remove.
+ (_Unwind_IteratePhdrCallback): New.
+ (_Unwind_FindTableEntry): Use dl_iterate_phdr.
+ * config/ia64/crtbegin.asm (__ia64_app_header): Remove.
+
+Thu Aug 9 11:30:20 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * expr.c (emit_single_push_insn): Only exists ifdef PUSH_ROUNDING.
+ (move_by_pieces_1): If would call it, abort if no PUSH_ROUNDING.
+
+2001-08-09 Graham Stott <grahams@redhat.com>
+
+ * sched-vis.c (MAX_VISUAL_NO_UNIT): Define.
+ (vis_no_unit): Use it.
+ (visualize_no_unit): Add the insn only if room exists.
+
+2001-08-09 Graham Stott <grahams@redhat.com>
+
+ * predict.c (estimate_probability): Replace magic numbers with
+ appropriate enumeration.
+
+2001-08-09 Graham Stott <grahams@redhat.com>
+
+ * cppexp.c (EXTRACT_PRIO): Uppercase and parenthsize macro
+ parameter.
+ (EXTRACT_FLAGS): Likewise.
+
+2001-08-09 Aldy Hernandez <aldyh@redhat.com>
+
+ * config/mips/mips.c (mips_legitimate_address_p): Check for
+ CONST_INT in last patch.
+
+2001-08-08 Anthony Green <green@redhat.com>
+
+ * java/class.c (emit_register_classes): Use assemble_jcr if
+ possible. Keep the original mechanism as a fallback.
+ * defaults.h (JCR_SECTION_NAME): Define if we have named section
+ and weak symbol support.
+ * crtstuff.c (__JCR_LIST__): Define.
+ (__JCR_END__): Define.
+ (_Jv_RegiserClasses): Define weak symbol if possible.
+ (__do_global_ctors_aux): Register classes for ELF targets with
+ weak symbol support.
+
+2001-08-08 Kazu Hirata <kazu@hxi.com>
+
+ * dbxout.c: Fix comment formatting.
+ * dependence.c: Likewise.
+ * df.c: Likewise.
+ * diagnostic.c: Likewise.
+ * dominance.c: Likewise.
+ * doprint.c: Likewise.
+ * dwarf2out.c: Likewise.
+ * dwarfout.c: Likewise.
+ * emit-rtl.c: Likewise.
+ * except.c: Likewise.
+ * explow.c: Likewise.
+ * expmed.c: Likewise.
+ * expr.c: Likewise.
+ * flow.c: Likewise.
+ * fold-const.c: Likewise.
+ * function.c: Likewise.
+
+2001-08-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
+
+ * global.c (retry_global_alloc): Avoid shadowing allocno.
+
+2001-08-08 Mark Mitchell <mark@codesourcery.com>
+
+ * except.c (remove_fixup_regions): Fix typo.
+
+2001-08-08 Jan van Male <jan.vanmale@fenk.wau.nl>
+
+ * emit-rtl.c (adjust_address, adjust_address_nv): Cast offset to
+ unsigned HOST_WIDE_INT to avoid warning.
+ * final.c (final): Cast INSN_UID to unsigned to avoid warning.
+ * flow.c (set_block_for_new_insns): Likewise.
+
+Wed Aug 8 21:08:14 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * sibcall.c (return_value_pseudo): New static variable.
+ (skip_copy_to_return_value): Handle return_value_pseudo.
+ (call_ends_block_p): Ensure that return_value_pseudo is set.
+ (optimize_sibling_and_tail_recursive_call): Discover the
+ load of pseudo return value in alternate exit block.
+
+Wed Aug 8 21:06:43 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * calls.c (ECF_ALWAYS_RETURN): New constant.
+ (emit_call_1): Add REG_ALWAYS_RETURN note if needed.
+ (expand_call): Use LCF_ALWAYS_RETURN for __bb_fork_func.
+ (emit_library_call_value_1): Handle LCT_ALWAYS_RETRUN.
+ * flow.c (need_fake_edge_p): Handle REG_ALWAYS_RETURN.
+ * rtl.c (reg_note_name): New name.
+ * rtl.h (enum reg_note): Add REG_ALWAYS_RETURN.
+
+2001-08-07 Aldy Hernandez <aldyh@redhat.com>
+
+ * config/mips/mips.c (mips_legitimate_address_p): Limit "la" addresses.
+
+2001-08-08 Jason Merrill <jason_merrill@redhat.com>
+
+ * alias.c (get_alias_set): Return a previously calculated
+ alias set for a VAR_DECL.
+ * function.c (gen_mem_addressof): Calculate the alias set before
+ touching the RTL.
+
+Wed Aug 8 18:44:37 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * predict.def: Set hitrates according our experimental run.
+
+Wed Aug 8 18:01:58 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * i386.h (HARD_REGNO_RENAME_OK): New macro.
+
+2001-08-08 H.J. Lu <hjl@gnu.org>
+
+ * config/mips/mips.c (mips_unique_section): New. Copied from
+ config/mips/elf.h.
+
+ * config/mips/mips-protos.h (mips_unique_section): New
+ prototype.
+
+ * config/mips/elf.h (UNIQUE_SECTION): Use mips_unique_section.
+
+ * config/mips/little.h: New. Generic little endian mips
+ targets. Only mips*-*-linux* is converted to use it so far.
+
+ * config/mips/linux.h: Include "gofast.h" and "mips/mips.h".
+ (WCHAR_TYPE): Defined
+ (WCHAR_TYPE_SIZE): Likewise.
+ (INIT_SUBTARGET_OPTABS): Likewise.
+ (BSS_SECTION_ASM_OP): Likewise.
+ (SBSS_SECTION_ASM_OP): Likewise.
+ (ASM_OUTPUT_ALIGNED_BSS): Likewise.
+ (ASM_DECLARE_OBJECT_NAME): Likewise.
+ (UNIQUE_SECTION): Likewise.
+ (EXTRA_SECTIONS): Likewise.
+ (ASM_OUTPUT_CONSTRUCTOR): Likewise.
+ (ASM_OUTPUT_DESTRUCTOR): Likewise.
+ (ASM_OUTPUT_DEF): Likewise.
+ (HANDLE_SYSV_PRAGMA): Removed.
+ (NO_IMPLICIT_EXTERN_C): Likewise.
+ (TARGET_MEM_FUNCTIONS): Likewise.
+ (STARTFILE_SPEC): Likewise.
+ (ENDFILE_SPEC): Likewise.
+ (LIB_SPEC): Likewise.
+ (INVOKE__main): Likewise.
+ (CTOR_LIST_BEGIN): Likewise.
+ (CTOR_LIST_END): Likewise.
+ (DTOR_LIST_BEGIN): Likewise.
+ (DTOR_LIST_END): Likewise.
+ (SET_ASM_OP): Likewise.
+ (ASM_OUTPUT_SOURCE_LINE): Likewise.
+ (ASM_OUTPUT_DEF): Likewise.
+ (ASM_OUTPUT_IDENT): Likewise.
+
+ * config/mips/mips.h (ASM_SPEC): Undefine before define.
+ (CPLUSPLUS_CPP_SPEC): Likewise.
+ (ASM_APP_ON) Redefine only if not defined.
+ (ASM_APP_OFF): Likewise.
+ (ASM_OUTPUT_SOURCE_LINE): Likewise.
+ (ASM_OUTPUT_IDENT): Likewise.
+
+ * config.gcc: Update tm_file for Linux/mips.
+
+2001-08-08 Bernd Schmidt <bernds@redhat.com>
+
+ * cselib.c (cselib_record_sets): If insn is predicated, turn
+ sources into IF_THEN_ELSEs.
+
+ * config/ia64/ia64.md (cond_opsi2_internal, cond_opsi2_internal_b):
+ Turn into define_insn_and_split.
+
+ * sched-deps.c: Include "cselib.h".
+ (add_insn_mem_dependence, sched_analyze_1, sched_analyze_2):
+ Use cselib to turn memory addresses into VALUEs.
+ (sched_analyze): Call cselib_init/cselib_finish if necessary.
+ * sched-int.h (struct sched_info): New member USE_CSELIB.
+ * sched-ebb.c (ebb_sched_info): Initialize it.
+ * sched-rgn.c (rgn_sched_info): Likewise.
+ * Makefile.in (sched-deps.o): Update dependencies.
+
+ * cselib.h (cselib_subst_to_values): Declare.
+ * cselib.c (cselib_subst_to_values): No longer static. Allow MEMs
+ that have no value and autoincs to be handled by generating a new
+ dummy value.
+
+2001-08-08 Graham Stott <grahams@redhat.com>
+
+ * final.c (shorten_branches): Update the INSN_ADDRESSES of insns
+ within fixed length SEQUENCE.
+
+2001-08-08 Graham Stott <grahams@redhat.com>
+
+ * diagnostic.h (diagnostic_format_decoder): Parenthesize macro parameter.
+ (diagnostic_prefixing_rule): Likewise.
+ (diagnostic_line_cutoff): Likewise.
+ (diagnostic_kind_count): Likewise.
+
+2001-08-08 Graham Stott <grahams@redhat.com>
+
+ * alias.c (find_base_decl): Delete redundent assignment.
+
+2001-08-08 Graham Stott <grahams@redhat.com>
+
+ * dependence.c (INDEX_LIMIT_CHECK): Uppercase macro parameter.
+ (abs): Uppercase and paranthesize macro parameter.
+ (MEM_DEPENDENCY): Add whitespace.
+
+2001-08-08 Graham Stott <grahams@redhat.com>
+
+ * config/mips/mips.c (mips_legitimate_address_p): Fix enable checking
+ failure check for CONST_INT
+
+2001-08-08 Graham Stott <grahams@redhat.com>
+
+ * flow.c (back_edge_of_syntactic_loop_p): Add whitespace.
+ (libcall_dead_p): Likewise.
+
+ (mark_used_regs): Constify fmt.
+ (find_use_as_address): Likewise.
+
+2001-08-08 Graham Stott <grahams@redhat.com>
+
+ * c-typeck.c (RESTORE_SPELLING_DEPTH): Uppercase and parenthesize macro
+ parameter.
+
+2001-08-08 Graham Stott <grahams@redhat.com>
+
+ * combine.c (combine_simplify_rtx): Update comment and
+ remove erroneous test.
+
+2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cppinit.c (cpp_finish): Pop the final buffer without comment.
+ * cpplex.c (_cpp_lex_token): Don't pop the final buffer; and
+ take care to avoid multiple no-newline at EOF warnings in that
+ case.
+
+Tue Aug 7 22:18:06 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * calls.c (expand_call): Do not emit INSN_SETJMP note.
+ (emit_library_call_value_1): Likewise.
+ (emit_call_1): Emit REG_SETJMP note.
+ * cse.c (cse_end_of_basic_block): Use REG_SETJMP instead
+ of INSN_SETJMP
+ * cselib.c (cselib_process_insn): Likewise.
+ * flow.c (propagate_block): Likewise.
+ * loop.c (find_and_verify_loops): Likewise.
+ * reload.c (find_equiv_regs): Likewise.
+ * reload1.c (reload): Likewise.
+ * resource.c (mark_referenced_resources,
+ mark_set_resources): Likewise.
+ * sched-deps (sched_analyze_insn, sched_analyze): Likewise.
+ * final.c (final_scan_insn): Remove NOTE_INSN_SETJMP.
+ * haifa-sched.c (unlink_other_notes): Likewise.
+ (reemit_notes): Likewise.
+ * sched-ebb.c (sched_ebb): Likewise.
+ * sched-rgc.c (sched_region): Likewise.
+ * rtl.c (note_insn_name): Likewise.
+ (reg_note_name): Add REG_SETJMP
+ * rtl.h (reg_note): Add REG_SETJMP.
+ (insn_note): Remove NOTE_INSN_SETJMP.
+
+ * profile.c (branch_prob): Add fake edges for setjmp.
+
+2001-08-07 Daniel Jacobowitz <drow@mvista.com>
+
+ * config.gcc: Quote target_cpu_default2 correctly for
+ powerpc*-*-* targets.
+
+2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cpplib.h, line-map.h: Update comments.
+ * cppmain.c (printer_init): Move inline.
+ (maybe_print_line, print_line): Take a map pointer.
+ (cb_ident, cb_define, cb_undef, cb_include, cb_def_pragma): Update.
+ (cb_file_change): Don't use prior value of print.map.
+
+2001-08-07 David Edelsohn <edelsohn@gnu.org>
+
+ * doc/install.texi: Document fine-grained multilib configuration.
+
+Tue Aug 7 16:52:54 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * rtlanal.c (find_first_parameter_load): Call note_stores
+ only on the instructions.
+
+Tue Aug 7 14:56:16 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * alias.c (nonlocal_mentioned_p):
+ Rename CONST_CALL_P to CONST_OR_PURE_CALL_P
+ * calls.c (emit_call_1): Likewise.
+ * cse.c (cse_insn, invalidate_skipped_block): Likewise.
+ * cselib.c (cselib_process_insn): Likewise.
+ * df.c (df_insns_modify): Likewise.
+ * flow.c (need_fake_edge_p): Likewise.
+ (propagate_one_insn): Likewise.
+ * haifa-sched.c (reemit_notes): Likewise.
+ * integrate.c (copy_insn_list): Likewise.
+ * jump.c (delete_prior_computation): Likewise.
+ * local-alloc.c (validate_equiv_mem): Likewise.
+ * loop.c (scan_loop): Likewise.
+ * predict.c (estimate_probability): Likewise.
+ * reload.c (reload): Likewise.
+ * sched-deps (sched_analyze): Likewise.
+ * rtl.h (CONST_CALL_P): rename to CONST_OR_PURE_CALL_P.
+ * gcse.c (compute_hash_table): Likewise.
+ (mark_call): Likewise.
+ (store_killed_in_insn): Likewise.
+
+2001-08-07 Jason Merrill <jason_merrill@redhat.com>
+
+ * c-semantics.c (make_rtl_for_local_static): Use DECL_RTL_SET_P.
+
+2001-08-06 Richard Henderson <rth@redhat.com>
+
+ * varasm.c (assemble_gc_entry): Remove.
+ * output.h: Likewise.
+
+2001-08-06 Richard Henderson <rth@redhat.com>
+
+ * varasm.c (assemble_constructor): Take a symbol_ref and a
+ priority instead of a bare string. Move priority handling
+ here from cp/decl2.c.
+ * output.h: Update decls.
+
+ * c-decl.c (c_expand_body): Update calls to assemble_constructor
+ and assemble_destructor.
+ * profile.c (output_func_start_profiler): Likewise.
+ * objc/objc-act.c (finish_objc): Likewise.
+ (build_module_descriptor): Return the symbol not the symbol name.
+
+2001-08-06 David Edelsohn <edelsohn@gnu.org>
+
+ * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): Add whitespace.
+ * config/rs6000/linux64.h (RS6000_MCOUNT): Define.
+ ({SAVE,RESTORE}_FP_{PREFFIX,SUFFIX}): Define.
+ * config/rs6000/rs6000.h (ASM_OUTPUT_DOUBLE_INT): Remove whitespace.
+ * config/rs6000/sysv4.h (DOUBLE_INT_ASM_OP): Add whitespace.
+ * config/rs6000/xcoff.h (DOUBLE_INT_ASM_OP): Add whitespace.
+
+2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cpperror.c (print_containing_files): Moved to line-map.c.
+ (print_location): line-map.c handles re-listing or otherwise.
+ * cpphash.h (struct lexer_state): Remove next_bol.
+ (struct cpp_buffer): Remove include_stack_listed.
+ * cpplib.c (do_line, cpp_push_buffer, _cpp_pop_buffer):
+ Remove faked buffer handling.
+ (_cpp_do_file_change): Tweak.
+ * cpplib.h (enum cpp_buffer_type): Remove BUF_FAKE.
+ * cppmain.c (struct printer): Remove filename.
+ (print_line, cb_file_change): Update accordingly.
+ * line-map.c: Include intl.h.
+ (init_line_maps): Initialize last_listed.
+ (free_line_maps): Sanity check, warn if ENABLED_CHECKING.
+ (add_line_map): Sanity check inputs, warn if ENABLED_CHECKING.
+ (print_containing_files): New.
+ * line-map.h (struct line_maps): New member last_listed.
+ (print_containing_files, INCLUDED_FROM): New.
+ * Makefile.in: Update.
+ * po/POTFILES.in: Add line-map.c.
+
+2001-08-06 Richard Henderson <rth@redhat.com>
+
+ * except.c (convert_from_eh_region_ranges_1): Never mark
+ USE or CLOBBER insns as throwing.
+
+ * expr.c (store_constructor): Don't clobber memory targets.
+
+2001-08-06 Andreas Jaeger <aj@suse.de>
+
+ * profile.c (branch_prob): Remove unused variable insn.
+
+ * Makefile.in (local-alloc.o): Add dependency on except.h.
+
+ * local-alloc.c: Include except.h for can_throw_internal prototype.
+
+2001-08-06 Richard Henderson <rth@redhat.com>
+
+ * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
+ * function.c (expand_main_function): Implement it.
+ * doc/tm.texi: Document it.
+
+2001-08-06 Stan Shebs <shebs@apple.com>
+
+ * doc/install.texi: Document powerpc-*-darwin* details.
+
+2001-08-06 Daniel Berlin <dan@cgsoftware.com>
+
+ * config/rs6000/aix.h (CPP_CPU_SPEC): Move back to rs6000.h
+ (ASM_CPU_SPEC): Move back to rs6000.h
+ #undef CPP_DEFAULT_SPEC and ASM_DEFAULT_SPEC before redefining them.
+
+ * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): New macro.
+
+ * config/rs6000/linux.h: Remove vtable thunks stuff we accidently
+ readded.
+
+ * config/rs6000/linux64.h: Ditto.
+
+ * config/rs6000/rs6000.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
+ to here. Define default ASM_DEFAULT_SPEC and CPP_DEFAULT SPEC to
+ nothing.
+
+ Remove accidently readded definitions of FUNCTION_PROLOGUE,
+ FUNCTION_EPILOGUE, ASM_OPEN_PAREN, ASM_CLOSE_PAREN
+
+ * config/rs6000/sysv4.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
+ to rs6000.h
+
+2001-08-05 Richard Henderson <rth@redhat.com>
+
+ * local-alloc.c (update_equiv_regs): Do not move insns that
+ can throw.
+
+2001-08-05 Jan Hubicka <jh@suse.cz>
+
+ * Makefile.in (reload1.o): Add dependency on except.h
+ * basic-block.h (purge_all_dead_edges, purge_dead_edges): Update
+ prototypes.
+ * flow.c (purge_dead_edges, purge_all_dead_edges): Return bool
+ indicating whether edges has been cleaned up.
+ * reload1.c: Include except.h.
+ (fixup_abnormal_edges): Accept deleted insns.
+ * toplev.c (rest_of_compilation): Purge dead edges unconditionally
+ after combine.
+
+2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cpplib.c (do_line): Correct line number after pop_buffer.
+
+2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ PR preprocessor/3824
+ * line-map.c: Update comments.
+ * line-map.h: Update comments.
+ * tradcif.y: Don't consider large numbers unsigned.
+
+2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ PR preprocessor/3081
+ * c-lex.c (map): New.
+ (cb_file_change): Update map and use it.
+ (cb_def_pragma, cb_define, cb_undef): Use map and line.
+ (c_lex): Update to use map.
+ * cpperror.c (print_location): Move to using logical line numbers.
+ * cppfiles.c (stack_include_file): Update for new _cpp_do_file_change.
+ (cpp_make_system_header): Similarly.
+ (_cpp_execute_include): Stop line numbering hacks. Store the
+ line we will return to.
+ * cpphash.h (CPP_BUF_LINE): Remove.
+ (struct cpp_buffer): Remove lineno and pseudo_newlines.
+ Add map and return_to_line.
+ (_cpp_do_file_change): Update.
+ * cppinit.c (cpp_start_read): Update line kludge.
+ * cpplex.c (handle_newline): Don't update lineno and pseudo_newlines.
+ (trigraph_ok): Use logical line numbers for diagnostics.
+ (skip_block_comment): Likewise.
+ (skip_whitespace): Likewise.
+ (skip_line_comment): Use pfile->line instead.
+ (_cpp_lex_token): Update to use logical line numbering exclusively.
+ Handle BOL locally. Accept new lines in directives, but keep
+ pfile->line decremented. Diagnostics use logical lines. Update
+ directive handling.
+ * cpplib.c (SEEN_EOL): New.
+ (skip_rest_of_line, check_eol): Use it.
+ (end_directive): Increase line number when accepting the newline
+ at the end of a directive.
+ (run_directive): Simplify.
+ (do_line): Bad LC_LEAVEs become LC_RENAMEs. Update.
+ (_cpp_do_file_change): Update to take buffer line number as an
+ argument, and store the current map in the cpp_reader. Remove
+ line number kludges.
+ (_cpp_do__Pragma): Restore output position after a _Pragma.
+ (cpp_push_buffer): Don't set output line or lineno.
+ (_cpp_pop_buffer): Transfer more info from a faked buffer.
+ Remove line kludge. Set output_line.
+ * cppmacro.c (builtin_macro): Update handling of __LINE__.
+ (parse_arg): Use logical lines.
+ (save_lookahead_token): Save EOFs too now.
+ * cppmain.c (struct printer): Fix comments.
+ (printer_init): Simplify, let caller do errors.
+ (scan_translation_unit, check_multiline_token, dump_macro): Update.
+ (maybe_print_line): Simplify.
+ (print_line): Don't print a linemarker if -P.
+ (cb_define, cb_undef, cb_def_pragma, cb_ident, cb_include): Update.
+ (cb_file_change): Simplify.
+ * line-map.h (LAST_SOURCE_LINE): Fix.
+ (CURRENT_LINE_MAP): New.
+
+2001-08-05 Bernd Schmidt <bernds@redhat.com>
+
+ * doloop.c (doloop_modify_runtime): Properly compute number of
+ iterations if loop was unrolled.
+
+ * alias.c (rtx_equal_for_memref_p): VALUEs are only identical
+ if their CSELIB_VAL_PTRs are.
+
+ * config/ia64/ia64.c (struct spill_fill_data): New member prev_insn.
+ (setup_spill_pointers): Initialize it.
+ (spill_restore_mem): Set it.
+ (do_spill, do_restore): Use it to add REG_INC note.
+ * config/ia64/ia64.md (movti_internal): Add REG_INC notes as needed.
+
+ * config/ia64/ia64.c (ia64_sched_reorder): Defer scheduling of
+ asms if other insns are available.
+
+ * config/ia64/ia64.c (condop_operator): New predicate.
+ * config/ia64/ia64.h (PREDICATE_CODES): Add it.
+ * config/ia64/ia64.md (cond_opsi2_internal and splitters): New
+ patterns.
+
+ * expr.c (expand_expr, case COND_EXPR): Prefer working with a
+ temporary register than directly using a MEM.
+
+2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
+
+ * config/sh/sh.c (sh_asm_named_section): Fix typo in align
+ parameter in last change.
+
+2001-08-04 Zack Weinberg <zackw@panix.com>
+
+ * sparc.md: Don't use #if inside C test expression.
+
+2001-08-04 Richard Henderson <rth@redhat.com>
+
+ * i386.c: Revert 07-30 ix86_output_main_function_alignment_hack.
+
+2001-08-04 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cpphash.h (struct cpp_reader): New member directive_line.
+ * cpplib.h (struct cpp_callbacks): Update prototypes of callbacks.
+ * cpplib.c (do_define, do_undef, do_ident, do_include_common,
+ do_pragma): Pass line to callbacks.
+ (start_directive): Record line of directive.
+ * cppmain.c (cb_ident, cb_define, cb_undef, cb_def_pragma,
+ cb_include): Similarly.
+ * c-lex.c (cb_ident, cb_define, cb_undef, cb_def_pragma):
+ Similarly.
+
+2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
+
+ * config/d30v/d30v.h: Fix typo in start of UNIQUE_SECTION
+ comment.
+
+Sat Aug 4 13:51:36 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * loop.c (try_copy_prop); Kill invalidated REG_EQUAL notes.
+
+ * reload1.c (fixup_abnormal_edges): New static function.
+ (reload): Use it.
+
+ * flow.c (need_fake_edge_p): New function.
+ (flow_call_edges_add): Fix handling of noreturn and sibling calls;
+ avoid call insn to be very last insn in the insn stream.
+
+ * profile.c (branch_prob): Call flow_call_edges_add instead of
+ doing that by hand; cleanup cfg to re-merge basic blocks once
+ we are done.
+
+2001-08-04 Neil Booth <neil@cat.daikokuya.demon.co.uk>
+
+ * Makefile.in (CPPLIB_H): New, so that dependencies on cpplib.h
+ are also on line-map.h.
+ * cppfiles.c (stack_include_file): Update.
+ * cpphash.h (struct cpp_buffer): New member return_at_eof.
+ (_cpp_pop_buffer): New.
+ * cppinit.c (cpp_destroy, cpp_finish): Update.
+ (do_includes): Mark each buffer to return at EOF.
+ * cpplex.c (_cpp_lex_token): Pop buffers at EOF. Continue or
+ return as requested.
+ * cpplib.c (run_directive, do_line, cpp_push_buffer): Update.
+ (cpp_pop_buffer): Rename _cpp_pop_buffer. Stop skipping.
+ * cpplib.h (cpp_pop_buffer): Remove.
+ (cpp_scan_buffer_nooutput): Rename cpp_scan_nooutput.
+ * cppmacro.c (cpp_scan_buffer_nooutput): Similarly. No need to pop
+ buffers.
+ * cppmain.c (scan_buffer): Rename scan_translation_unit. No need
+ to pop buffers.
+ (do_preprocessing): Update.
+ * fix-header.c (read_scan_file): Update. No need to pop buffers.
+ * c-parse.in (_yylex): Similarly.
+ * scan-decls.c (scan_decls): Similarly.
+ * line-map.h: Update comments.
+
+ * objc/Make-lang.in (objc-act.o): Update dependencies.
+
+2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
+
+ * config/m68hc11/m68hc11.md ("cmphi_1", "cmpqi_1"): Allow memory
+ and soft register for operand 0.
+ ("cmphi_z_used", "cmpqi_z_used"): Allow memory for operand 0.
+
+2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
+
+ * config/m68hc11/m68hc11.md ("bitcmpqi"): Allow memory and soft
+ register for operand 0.
+ ("bitcmpqi_z_used"): Allow memory for operand 0.
+ (split "bitcmpqi"): New split to handle address reg as operand 1.
+
+2001-08-04 Andreas Jaeger <aj@suse.de>
+
+ * gcse.c: Revert Daniel's last patch.
+
+2001-08-03 Zack Weinberg <zackw@stanford.edu>
+
+ * sparc-protos.h: Add prototypes for fp_zero_operand and
+ reg_or_0_operand.
+ * sh-protos.h: Add prototype for fpul_operand.
+
+2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
+
+ * doc/extend.texi (Other Builtins): Fix typo in last change.
+
+2001-08-03 Richard Henderson <rth@redhat.com>
+
+ * target.h (gcc_target): Add asm_out.named_section,
+ section_type_flags, have_named_sections.
+ * target-def.h (TARGET_ASM_NAMED_SECTION): New.
+ (TARGET_HAVE_NAMED_SECTIONS): New.
+ (TARGET_SECTION_TYPE_FLAGS): New.
+
+ * Makefile.in (toplev.o): Depend on TARGET_H.
+ (varasm.o, dbxout.o): Likewise.
+ * c-common.c (decl_attributes): Check targetm.have_named_sections
+ instead of ifdef ASM_OUTPUT_SECTION_NAME.
+ * dbxout.c (dbxout_function_decl): Likewise.
+ (dbxout_function_end): Likewise.
+ * toplev.c (compile_file): Likewise.
+ * varasm.c (exception_section): Likewise.
+ * cp/decl2.c (finish_objects): Likewise.
+
+ * defaults.h (EH_FRAME_SECTION): Remove.
+ (EH_FRAME_SECTION_ASM_OP): Remove.
+ (EH_FRAME_SECTION_NAME): New.
+ (UNIQUE_SECTION): Don't depend on ASM_OUTPUT_SECTION_NAME.
+ (UNIQUE_SECTION_P): Remove.
+ * dwarf2out.c (SECTION_FORMAT): Remove.
+ (ASM_OUTPUT_SECTION): Remove.
+ (output_call_frame_info): Use named_section_flags.
+ (output_comp_unit, dwarf2out_start_source_file): Likewise.
+ (dwarf2out_end_source_file, dwarf2out_define): Likewise.
+ (dwarf2out_undef, dwarf2out_init, dwarf2out_finish): Likewise.
+ * varasm.c (in_eh_frame, eh_frame_section): Remove.
+ (named_section_flags): New.
+ (named_section): Use it and targetm.section_type_flags.
+ (resolve_unique_section): New.
+ (assemble_start_function): Use it.
+ (asm_emit_uninitialised, assemble_variable): Likewise.
+ (default_section_type_flags): New.
+ (default_no_named_section, default_elf_asm_named_section): New.
+ (default_coff_asm_named_section, default_pe_asm_named_section): New.
+ * output.h: Update varasm.c decls.
+ (SECTION_*): New flags.
+
+ * crtstuff.c: Check EH_FRAME_SECTION_NAME not EH_FRAME_SECTION_ASM_OP.
+ (__EH_FRAME_BEGIN__, __FRAME_END__): Use attribute section.
+
+ * config/elfos.h (UNIQUE_SECTION_P): Remove.
+ * config/alpha/elf.h, config/arm/linux-elf.h: Likewise.
+ * config/arm/pe.h, config/arm/unknown-elf.h: Likewise.
+ * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
+ * config/i386/i386-interix.h, config/i386/win32.h: Likewise.
+ * config/ia64/sysv4.h, config/mcore/mcore-pe.h: Likewise.
+ * config/mips/elf.h, config/mips/elf64.h: Likewise.
+ * config/mips/iris6gld.h, config/mips/mips.h: Likewise.
+ * config/pa/pa64-hpux.h,
+
+ * config/elfos.h (ASM_OUTPUT_SECTION_NAME): Remove.
+ (TARGET_ASM_NAMED_SECTION): New.
+ * config/psos.h, config/a29k/a29k.h, config/alpha/elf.h: Likewise.
+ * config/alpha/vms.h, config/arm/coff.h: Likewise.
+ * config/arm/conix-elf.h, config/arm/elf.h: Likewise.
+ * config/arm/linux-elf.h, config/arm/pe.h: Likewise.
+ * config/arm/unknown-elf.h, config/avr/avr.h: Likewise.
+ * config/c4x/c4x.h, config/h8300/h8300.h: Likewise.
+ * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
+ * config/i386/i386-interix.h, config/i386/i386elf.h : Likewise.
+ * config/i386/sco5.h, config/i386/win32.h: Likewise.
+ * config/m68k/coff.h, config/mcore/mcore-pe.h: Likewise.
+ * config/mcore/mcore.h, config/mips/elf.h: Likewise.
+ * config/mips/elf64.h, config/mips/iris6.h: Likewise.
+ * config/mips/netbsd.h, config/mips/openbsd.h: Likewise.
+ * config/pa/pa64-hpux.h, config/rs6000/sysv4.h: Likewise.
+ * config/rs6000/xcoff.h, config/sh/sh.h: Likewise.
+ * config/sparc/sysv4.h: Likewise.
+
+ * config/nextstep.h: Error until named sections implemented.
+
+ * config/a29k/a29k.c (a29k_asm_named_section): New.
+ * config/alpha/alpha.c (SECTION_VMS_OVERLAY): New.
+ (vms_section_type_flags, vms_asm_named_section): New.
+ * config/arm/arm.c (arm_elf_asm_named_section): New.
+ * config/avr/avr.c (asm_output_section_name): Remove.
+ * config/avr/avr-protos.h: Update.
+ * config/c4x/c4x.c (c4x_asm_named_section): New.
+ * config/h8300/h8300.c (h8300_asm_named_section): New.
+ * config/i386/i386.c (sco_asm_named_section): New.
+ * config/i386/winnt.c (SECTION_PE_SHARED): New.
+ (i386_pe_section_type_flags): New.
+ (i386_pe_asm_named_section): New.
+ * config/i386/i386-protos.h: Update.
+ * config/m68k/m68k.c (m68k_coff_asm_named_section): New.
+ * config/mcore/mcore.c (mcore_asm_named_section): New.
+ * config/mips/mips.c (iris6_asm_named_section): New.
+ * config/mips/mips.h (ENCODE_SECTION_INFO): Use DECL_ONE_ONLY
+ instead of UNIQUE_SECTION_P.
+ * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): New.
+ (xcoff_asm_named_section): New.
+ * config/sh/sh.c (sh_asm_named_section): New.
+ * config/sparc/sparc.c (sparc_elf_asm_named_section): New.
+
+ * config/i386/djgpp.h (EH_FRAME_SECTION_ASM_OP): Remove.
+ * config/i386/sco5.h (EH_FRAME_SECTION_ASM_OP*): Remove.
+ (EH_FRAME_SECTION_NAME): New.
+ (EXCEPTION_SECTION): New.
+ * config/ia64/ia64.h (EH_FRAME_SECTION_ASM_OP): Remove.
+ (DEBUG_*_SECTION): Remove.
+ * config/m68k/rtemself.h (EH_FRAME_SECTION_ASM_OP): Remove.
+ * config/mips/iris6.h (DEBUG_*_SECTION): Remove.
+ (EH_FRAME_SECTION_ASM_OP): Remove.
+
+ * doc/tm.texi (UNIQUE_SECTION_P): Remove.
+ (ASM_OUTPUT_SECTION_NAME): Remove.
+ (TARGET_ASM_NAMED_SECTION): New.
+ (TARGET_HAVE_NAMED_SECTIONS): New.
+ (TARGET_SECTION_TYPE_FLAGS): New.
+ (EH_FRAME_SECTION_ASM_OP): Remove.
+ (EH_FRAME_SECTION_NAME): New.
+
+2001-08-03 Zack Weinberg <zackw@stanford.edu>
+
+ * builtins.c (fold_builtin_constant_p): Return integer_zero_node
+ for complex expressions when cfun == 0.
+ * doc/extend.texi: Document that __builtin_constant_p can be
+ used in data initializers as well as functions.
+
+2001-08-03 Alexandre Oliva <aoliva@redhat.com>
+
+ * config/mn10300/mn10300.h (CONDITIONAL_REGISTER_USAGE): Declare
+ variable I locally, instead of expecting a declaration in the
+ calling context.
+
+2001-08-03 Richard Henderson <rth@redhat.com>
+
+ * except.c (collect_one_action_chain): Add an explicit cleanup
+ action if regions surrounding a catch were encoded entirely
+ within the call-site entry.
+
+2001-08-03 Richard Henderson <rth@redhat.com>
+
+ * dbxout.c (dbxout_symbol_location): Flatten subregs first;
+ don't take REGNO of a non-register.
+
+2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
+
+ * gthr-dce.h (__GTHREAD_MUTEX_INIT_FUNCTION and
+ __GTHREAD_MUTEX_INIT_DEFAULT): New macros for mutex initialization.
+ (__gthread_key_delete): Remove code for __PTHREAD_LIBRARY_VERSION_1 >= 1
+ (__gthread_mutex_init_function): New function for mutex initialization.
+
+2001-08-03 Daniel Berlin <dan@cgsoftware.com>
+
+ * Makefile.in: Revert screwed up commit.
+
+2001-08-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
+
+ * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Add _ctor and _dtor.
+ * config/m68hc11/larith.asm (_exit): Split in several sub-sections
+ merged by linker script to get a final _exit().
+ (__do_global_dtors): New for destructor handling in specific exit
+ section.
+ (__do_global_ctors): New for constructors in specific install section.
+ (__map_data_section): Map data sections before running constructors.
+ * config/m68hc11/m68hc11.h (INT_ASM_OP): Define to use .word.
+ (CTORS_SECTION_ASM_OP): Define to put in readonly section.
+ (DTORS_SECTION_ASM_OP): Likewise.
+ (CTORS_SECTION_FUNCTION): Define to force a reference to
+ __do_global_ctors.
+ (DTORS_SECTION_FUNCTION): Likewise for __do_global_dtors.
+
+2001-08-03 Daniel Berlin <dan@cgsoftware.com>
+
+ * ChangeLog: Fix date on previous ChangeLog entry for GCSE.
+
+ * Makefile.in: Add df.h to gcse.c dependencies.
+
+2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
+
+ * varasm.c (output_constant_def_contents): Use for the length of a
+ string constant either its TREE_STRING_LENGTH or its int_size_in_bytes
+ depending on which is larger.
+
+2001-08-03 Daniel Berlin <dan@cgsoftware.com>
+
+ * gcse.c: Include df.h for use as a dataflow analyzer.
+ Remove regvec.
+ Declaration of reg_set_info: gone.
+ New df_analyzer variable used by store motion.
+ (reg_set_info): Deleted.
+ (mark_mem_regs): New function, analyze regs used by a mem.
+ (store_ops_ok): Use dataflow analyzer results to determine if
+ necessary regs are changed in the block.
+ (find_moveable_store): Remove check for symbol ref, we can handle
+ much more complex expressions now.
+ (compute_store_table): Remove most of the code, it's unnecessary
+ now that the dataflow analyzer records the info for us.
+ (store_killed_after): Add parameter to say whether to do the
+ store_ops_okay test, used to speed up testing when we already know
+ the answer, and just want to know if the store itself was killed.
+ (build_store_vector): Largely rewritten to calculate the various
+ vectors properly, and somewhat optimized.
+ (store_motion): Init the df_analyzer, get REG_DEF chains.
+ Also handle trapping expressions (since mems almost always trap)
+ (simple_mem): Redefine what a simple mem is.
+
+2001-08-03 DJ Delorie <dj@redhat.com>
+
+ * ifcvt.c (noce_get_alt_condition): Don't make an auxiliary
+ set from a constant part of the condition.
+
+2001-08-01 Andrew Cagney <ac131313@redhat.com>
+
+ * mkdeps.c (deps_add_default_target): Make local variable
+ ``start'' a const char pointer.
+ * dwarf2out.c (compute_section_prefix): Localize use of ``p''.
+
+2001-08-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
+
+ * doc/install.texi (Configuration): Fix markup.
+ (Specific, i?86-*-udk): Likewise.
+ (Specific, alpha*-dec-osf*): Warn against --with-gnu-as,
+ --with-gnu-ld.
+ Document --enable-threads and --enable-libgcj status.
+ (Specific, mips-sgi-irix*): Canonicalize triples.
+ (Specific, mips-sgi-irix5): Warn about problems with this config.
+ Mention required GNU as patch.
+ Native assembler problems are fixed.
+ (Specific, mips-sgi-irix6): Update O32 ABI support status.
+ Document --enable-threads and --enable-libgcj status.
+
+2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
+
+ * Makefile.in, mklibgcc.in: Restore changes with fixed invocation
+ of mkinstalldirs.
+
+2001-08-03 Richard Henderson <rth@redhat.com>
+
+ * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't write to
+ constant data.
+
+2001-08-03 Richard Henderson <rth@redhat.com>
+
+ * rtlanal.c (find_first_parameter_load): Stop if we
+ reach a CODE_LABEL at BOUNDARY.
+
+2001-08-03 Richard Henderson <rth@redhat.com>
+
+ * config/alpha/alpha.md (force_movdi): New insn.
+ * config/alpha/alpha.c (alpha_expand_prologue): Use it.
+ Tweek FRP marking of VMS prologue insns.
+ * config/alpha/vms.h (EPILOGUE_USES): New.
+
+2001-08-02 Richard Henderson <rth@redhat.com>
+
+ * Makefile.in, mklibgcc.in: Revert mkinstalldirs change.
+
+2001-08-02 Lars Brinkhoff <lars@nocrew.org>
+
+ * combine.c, config.gcc, cse.c, defaults.h, real.c, reload.c,
+ simplify-rtx.c, config/alpha/alpha.h, config/avr/avr.h,
+ config/convex/convex.h, config/d30v/d30v.c,
+ config/d30v/d30v.h, config/dsp16xx/dsp16xx.h,
+ config/elxsi/elxsi.h, config/fr30/fr30.h, config/m88k/m88k.c,
+ config/mips/mips.h, config/mn10200/mn10200.h,
+ config/mn10300/mn10300.h, config/pdp11/pdp11.md,
+ config/v850/v850.h, config/vax/openbsd.h,
+ config/vax/openbsd1.h, config/vax/ultrix.h,
+ config/vax/vax-protos.h, config/vax/vax.c, config/vax/vax.h,
+ config/vax/vax.md, config/vax/vaxv.h, config/vax/xm-vms.h,
+ cp/decl2.c, doc/contrib.texi, doc/cpp.texi, doc/gcc.texi,
+ doc/install.texi, doc/invoke.texi, doc/md.texi, doc/rtl.texi,
+ doc/tm.texi: consistently use "VAX", "VAXen", and "MicroVAX"
+ in comments and documentation.
+
+2001-08-03 Neil Booth <neil@cat.daikokuya.demon.co.uk>
+
+ * line-map.c: New.
+ * line-map.h: New.
+ * Makefile.in (line-map.o): New.
+ (LIBCPP_OBJS, LIBCPP_DEPS): Update.
+ * c-lex.c (cb_file_change): Update for new cpp_file_change structure.
+ * cpperror.c (print_containing_files): Similarly.
+ (print_location): Update. Don't output a space before _Pragma.
+ * cppfiles.c (stack_include_file): Set to line 1 immediately.
+ (stack_include_filee, cpp_make_system_header): Update.
+ (_cpp_execute_include): Get logical line number right for calling
+ as-yet-unterminated #include.
+ * cpphash.h (struct cpp_reader): Add line_maps.
+ (_cpp_do_file_change): Update.
+ * cppinit.c (cpp_create_reader): Initialize line maps.
+ (cpp_destroy): Destroy line maps.
+ (cpp_start_read): Get logical line number right.
+ * cpplex.c (parse_string): Only warn once for multi-line strings.
+ Use boolean variable for null warning.
+ * cpplib.c (_cpp_handle_directive): End the directive if it isn't
+ already.
+ (do_include_common): End the directive early.
+ (do_line): Don't warn about out-of-range lines in preprocessed
+ source. Update. Remove unused variables.
+ (_cpp_do_file_change): Update for new line mapping.
+ (pragma_cb): New typedef.
+ (cpp_register_pragma): Stop looking ahead before calling the
+ handler. Clean up.
+ (do_pragma_system_header): End directive early.
+ (cpp_get_line_maps): New.
+ (cpp_pop_buffer): Fudge logical line. Update.
+ * cpplib.h: Include line-map.h
+ (enum cpp_fc_reason): Remove.
+ (struct cpp_file_change): Update.
+ (cpp_get_line_maps): New.
+ * cppmain.c (struct_printer): New member map.
+ (cb_file_change): Update for new mappings.
+ * fix-header.c (cb_file_change): Similarly.
+
+2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
+
+ * Makefile.in (libgcc.mk): Define mkinstalldirs.
+ * mklibgcc.in: Use mkinstalldirs instead of mkdir.
+
+2001-08-02 Lars Brinkhoff <lars@nocrew.org>
+
+ * config/vax/vax.c: include expr.h.
+
+2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
+
+ * Makefile.in ($(srcdir)/configure): Only rebuild in
+ maintainer mode.
+ ($(srcdir)/config.in): Only define in maintainer mode.
+ ($(srcdir)/cstamp-h.in): Only define in maintainer mode.
+
+2001-08-02 David Edelsohn <edelsohn@gnu.org>
+
+ * doc/install.texi (Install GCC: Binaries): Update Bull info.
+
+2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
+
+ * gcc.c (set_collect_gcc_options): New function, split out from
+ main.
+ Ignore elided switches.
+ (do_spec_1): Invoke before executing command.
+ (set_input): Export.
+ Move declaration ...
+ * gcc.h (set_input): ... here.
+ * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
+ file.
+
+2001-08-02 Nathan Sidwell <nathan@codesourcery.com>
+
+ Kill -fhonor-std.
+ * doc/c-tree.texi (Namespaces): Remove std & -fhonor-std
+ interaction.
+ * doc/invoke.texi (C++ Dialect Options): Remove -fno-honor-std.
+
+2001-08-02 Richard Sandiford <rsandifo@redhat.com>
+
+ * mips.md (movdicc): Make conditional on TARGET_64BIT. Likewise
+ for the unnamed instructions it expands to.
+
+2001-08-02 Richard Henderson <rth@redhat.com>
+
+ * regclass.c (call_really_used_regs): Conditionally define.
+ (init_reg_sets_1): Don't use it if not defined.
+ (fix_register): Similarly, don't set it.
+
+2001-08-01 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
+
+ * params.def (PARAM_MAX_INLINE_INSNS): Change default to 600.
+ Correct comment that had been missed in the previous change.
+
+2001-08-01 Stan Shebs <shebs@apple.com>
+
+ * config/darwin.c (machopic_stub_name): Try matching by name.
+ (update_stubs): New function.
+ (darwin_encode_section_info): Call it and update_non_lazy_ptrs
+ unconditionally.
+
+2001-08-01 Richard Henderson <rth@redhat.com>
+
+ * except.c (output_function_exception_table): Use assemble_align.
+ * varasm.c (assemble_eh_label): Remove.
+ (assemble_eh_align, assemble_eh_integer): Remove.
+
+2001-08-01 Robert Lipe <robertl@caldera.com>
+
+ * dwarfout.c: Remove reference to README.DWARF.
+
+2001-08-01 Andrew MacLeod <amacleod@redhat.com>
+
+ * regclass.c (call_really_used_regs): New array for registers which
+ are actually used by a call.
+ (init_reg_sets_1): Initialize regs_invalidated_by_call with the
+ new array.
+ (fix_register): Set call_really_used too.
+ * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): Initialize.
+ * doc/tm.texi (CALL_REALLY_USED_REGISTERS): Document.
+
+2001-08-01 Richard Henderson <rth@redhat.com>
+
+ * read-rtl.c (read_name): Consider \r whitespace.
+
+2001-07-11 Andrew Cagney <ac131313@redhat.com>
+
+ * config.gcc: Recognize powerpc-*-netbsd*.
+
+ * doc/install.texi (Host/target specific installation notes for
+ GCC): Mention powerpc-*-netbsd*.
+
+ * config/rs6000/netbsd.h: New file.
+ (STANDARD_STARTFILE_PREFIX, LINK_SHLIB_SPEC): Redefine.
+ (LIB_DEFAULT_SPEC, STARTFILE_DEFAULT_SPEC): Redefine.
+ (ENDFILE_DEFAULT_SPEC, LINK_START_DEFAULT_SPEC): Redefine.
+ (LINK_OS_DEFAULT_SPEC, CPP_OS_DEFAULT_SPEC): Redefine.
+ (TARGET_VERSION): Redefine.
+
+ * config/rs6000/t-ppccomm (MULTILIB_MATCHES_SYSV): Recognize
+ mcall-netbsd as a match for mcall-sysv.
+ (EXTRA_MULTILIB_PARTS): Add ncrti$(objext) and ncrtn$(objext).
+ (ncrti.S, ncrtn.S): New targets.
+ ($(T)ncrti$(objext), $(T)ncrtn$(objext)): New targets.
+
+ * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Recognize
+ "netbsd' as a V4 ABI.
+ (ASM_SPEC): Check for -mcall-netbsd.
+ (CC1_SPEC, CC1_SPEC, LINK_START_SPEC, LINK_OS_SPEC): Ditto.
+ (CPP_ENDIAN_SPEC, CPP_SPEC, STARTFILE_SPEC): Ditto.
+ (LIB_SPEC, ENDFILE_SPEC): Ditto.
+ (LIB_NETBSD_SPEC, STARTFILE_NETBSD_SPEC): Define.
+ (ENDFILE_NETBSD_SPEC, LINK_START_NETBSD_SPEC): Define.
+ (LINK_OS_NETBSD_SPEC, CPP_OS_NETBSD_SPEC): Define.
+ (SUBTARGET_EXTRA_SPECS): Add NetBSD specs.
+
+ * doc/invoke.texi (Option Summary): Add -mcall-netbsd.
+ (RS/6000 and PowerPC Options): Mention -mcall-netbsd.
+
+2001-08-01 Mark Kettenis <kettenis@gnu.org>
+
+ * unwind-pe.h (base_of_encoded_value, read_encoded_value): Define
+ only if NO_BASE_OF_ENCODED_VALUE isn't defined.
+ * unwind-dw2-fde.c (NO_BASE_OF_ENCODED_VALUE): Define before
+ including "unwind-pe.h".
+
+Wed Aug 1 20:01:42 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * rs6000.md (define_splits): Kill unused constraints.
+
+Wed Aug 1 20:02:12 CEST 2001 Graham Stott <grahams@redhat.com>
+ Jan Hubicka <jh@suse.cz>
+
+ * function.c (thread_prologue_and_epilogue_insns): Kill code
+ dealing with non-existent CFG.
+
+2001-08-01 Kazu Hirata <kazu@hxi.com>
+
+ * alias.c: Fix comment formatting.
+ * bitmap.c: Likewise.
+ * builtins.c: Likewise.
+ * calls.c: Likewise.
+ * c-common.c: Likewise.
+ * c-decl.c: Likewise.
+ * c-dump.c: Likewise.
+ * c-lex.c: Likewise.
+ * collect2.c: Likewise.
+ * combine.c: Likewise.
+ * conflict.c: Likewise.
+ * cppfiles.c: Likewise.
+ * cppinit.c: Likewise.
+ * cpplex.c: Likewise.
+ * cpplib.c: Likewise.
+ * cppmacro.c: Likewise.
+ * cppspec.c: Likewise.
+ * c-pragma.c: Likewise.
+ * crtstuff.c: Likewise.
+ * cse.c: Likewise.
+ * cselib.c: Likewise.
+ * c-semantics.c: Likewise.
+ * c-typeck.c: Likewise.
+
+2001-08-01 H.J. Lu <hjl@gnu.org>
+
+ * config/mips/linux.h (ASM_OUTPUT_IDENT): Defined.
+
+2001-08-01 H.J. Lu <hjl@gnu.org>
+
+ * gcc/config/mips/linux.h (ASM_OUTPUT_SOURCE_LINE): Defined.
+
+2001-08-01 Ziemowit Laski <zlaski@apple.com>
+
+ * c-parse.in (OBJC_NEED_RAW_IDENTIFIER): Define macro and flag for
+ contextualizing Objective-C class name lookup by the lexer.
+ (typespec_reserved_nonattr): Disable ObjC class name lookup after
+ seeing a TYPESPEC.
+ (protocoldef): Add support for forward @protocol declarations.
+ (yylexname): Suppress ObjC class name lookup in certain contexts;
+ re-enable after lookup is complete.
+ (_yylex): Re-enable ObjC class name lookup when certain
+ punctuation marks are seen.
+
+ * objc/objc-act.c (check_protocol_recursively): New function used
+ for finding circular dependencies in protocols.
+ (objc_declare_protocols): New function for handling forward
+ @protocol declarations.
+ (receiver_is_class_object): Detect the case when 'self' is used
+ inside of a class method.
+ (build_message_expr): Issue a warning if class method is desired
+ but instance method is found instead.
+ (conforms_to_protocol): Streamline.
+ (objc_comptypes): Detect the fact that 'Bar<Foo> foo' conforms to
+ protocol Foo, even if 'Bar foo' does not.
+ (check_protocols): Streamline.
+ (start_protocol): Add checks for circular and duplicate protocol
+ definitions.
+ (encode_aggregate_within): For typedefs of structs, encode the
+ underlying struct.
+ * objc/objc-act.h (PROTOCOL_DEFINED): New tree accessor.
+ (objc_declare_protocols): New prototype.
+
+2001-08-01 Neil Booth <neil@cat.daikokuya.demon.co.uk>
+
+ * cpphash.h (struct cpp_reader): New members line, pseudo_newlines.
+ * cpplex.c (handle_newline): Update prototype. Maintain logical
+ line number.
+ (skip_escaped_newlines, skip_block_comment, parse_string):
+ Update accordingly.
+ (_cpp_lex_token): Update, and store token position within the token.
+ * cpplib.h (struct cpp_token): Add line and column entries.
+ * cppmacro.c (replace_args): Position stringified tokens correctly.
+
+2001-08-01 Andreas Jaeger <aj@suse.de>
+
+ * basic-block.h: Add prototype for last_loop_beg_note.
+
+2001-07-31 Alexandre Petit-Bianco <apbianco@redhat.com>
+
+ * expr.c (safe_from_p): Use WITH_CLEANUP_EXPR_RTL instead of
+ RTL_EXPR_RTL while handling WITH_CLEANUP_EXPR nodes. Fixed typo in
+ comment.
+ (expand_expr): Use WITH_CLEANUP_EXPR_RTL instead of RTL_EXPR_RTL
+ while handling WITH_CLEANUP_EXPR node. Use second operand calling
+ expand_decl_cleanup.
+ * tree.c (firt_rtl_op): The third operand of WITH_CLEANUP_EXPR is
+ the first RTX.
+ (simple_cst_equal): WITH_CLEANUP_EXPR node to use its second
+ operand while calling simple_cst_equal.
+ * tree.def (WITH_CLEANUP_EXPR): Switched operands: the second
+ operand is the cleanup expression, the third is the RTL_EXPR.
+ * tree.h (WITH_CLEANUP_EXPR_RTL): New macro.
+
+2001-07-31 Jeff Sturm <jsturm@one-point.com>
+
+ * except.c (duplicate_eh_regions): Test n_array[i] for NULL.
+
+2001-07-31 matthew green <mrg@eterna.com.au>
+
+ * config.gcc (i386-*-netbsdelf): New description.
+ * config/i386/netbsd-elf.h: New file.
+
+2001-07-30 Geoffrey Keating <geoffk@redhat.com>
+
+ * loop.c (check_dbra_loop): Use single_set to compute
+ jump_label.
+
+2001-07-31 Daniel Berlin <dan@cgsoftware.com>
+
+ PowerPC reorg and support for powerpc64-*-linux*.
+
+ Also fixes emitting of constants on 32 bit and 64 bit
+ platforms.
+
+ * config.gcc: powerpc64-*-linux* is a new target.
+ Things that needed aix.h now also include xcoff.h
+
+ * config/rs6000/rs6000.h: Split XCOFF specific stuff into
+ xcoff.h.
+ Move AIX specific stuff into aix.h.
+ (TARGET_AIX): Renamed to TARGET_XCOFF, since the AIX ABI is used
+ with more than just XCOFF now.
+ (SET_ASM_OP): Remove, now defined where needed.
+ (FUNCTION_PROLOGUE): New macro definition.
+ (FUNCTION_EPILOGUE): New macro definition.
+ (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): New macro definition.
+
+ * config/rs6000/xcoff.h: New file.
+
+ * config/rs6000/linux64.h: New file.
+
+ * config/rs6000/darwin.h: Copy needed AIX alignment definitions.
+
+2001-07-31 Alan Modra <amodra@bigpond.net.au>
+
+ * rs6000.c (print_operand_address): Handle ELF syntax.
+ (output_toc): Simplify. Use DOUBLE_INT_ASM_OP.
+ * rs6000.md (load_toc_aix_di): Handle ELF syntax.
+ * rs6000.h (ASM_OUTPUT_DOUBLE_INT, ASM_LONG): Use DOUBLE_INT_ASM_OP.
+
+2001-07-31 David Edelsohn <edelsohn@gnu.org>
+
+ * rs6000.c (rs6000_override_options): Only disable
+ flag_function_sections for XCOFF.
+ (exact_log2_cint_operand): New predicate.
+ (reg_or_{add,sub}_cint64_operand): New predicates.
+ (add_operand): Compare CONST_INT with fewer function calls.
+ (rs6000_emit_set_const, rs6000_emit_set_long_const): New functions.
+ (print_operand, case 'p'): Ensure positive operand.
+ (rs6000_emit_load_toc_table): No load_toc_v4_pic_di.
+ * rs6000.h (CONST_OK_FOR_LETTER_P, case 'N'): Ensure positive value.
+ (PREDICATE_CODES): Add new predicates.
+ * rs6000.md (addsi3): Split 32-bit constants more correctly.
+ (divsi3, modsi3): Ensure positive power-of-2.
+ (adddi3): Use new predicate. Split 32-bit constants more
+ correctly. Re-arrange splitter to handle any constant.
+ (subdi3): Use new predicate.
+ (divdi3, moddi3): Ensure positive power-of-2.
+ (movdi): Use rs6000_emit_set_const.
+ (load_toc_v4_pic_di): Delete.
+
+2001-07-31 Graham Stott <grahams@redhat.com>
+
+ * function.c (pad_below): Revert 2001-07-26 patch.
+
+Tue Jul 31 15:37:35 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * reg-stack (convert_regs_1): Fix best edge condition.
+
+Tue Jul 31 15:33:27 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * jump.c (duplicate_loop_exit_test): Better test for jumps
+ entering the loop; create loop pre_header.
+
+2001-07-31 Hartmut Penner <hpenner@de.ibm.com>
+
+ * doc/install.texi: Add s390 and s390x as new targets.
+ * doc/invoke.texi: Add documentation of S/390 and zSeries
+ target options.
+ * doc/md.texi: Add documentation of S/390 and zSeries constraints.
+
+2001-07-30 Roman Zippel <zippel@linux-m68k.org>
+
+ * config/m68k/m68k.md: Replace all general_operand with
+ nonimmediate_operand for all destinations.
+ * config/m68k/m68k.c (not_sp_operand): Likewise.
+
+Mon Jul 30 23:20:34 EDT 2001 John Wehle (john@feith.com)
+
+ * flow.c (merge_blocks): Return 1 if an extra jump is inserted.
+
+2001-07-30 Richard Henderson <rth@redhat.com>
+
+ * config/ia64/ia64.h (DEBUG_RANGES_SECTION): New.
+ * config/mips/iris6.h (DEBUG_RANGES_SECTION): New.
+
+2001-07-30 Roman Zippel <zippel@linux-m68k.org>
+
+ * config/m68k/m68k.h (TARGET_SWITCHES/TARGET_OPTIONS):
+ Add missing doc strings
+ * config/m68k/linux-aout.h (SUBTARGET_SWITCHES): Likewise
+ * config/m68k/linux.h (SUBTARGET_SWITCHES): Likewise
+
+Mon Jul 30 22:16:08 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * i386.c (ix86_output_main_function_alignment_hack): New function.
+ (TARGET_ASM_FUNCTION_PROLOGUE): Default to it.
+
+ * flow.c (mark_dfs_back_edges): Move from loop_p ; mark back
+ edges by EDGE_DFS_BACK flag.
+ (dump_edge_info): Add dfs_back flag.
+ * basic-block.h (EDGE_DFS_BACK): New constant.
+ (mark_dfs_back_edges): Declare.
+ * alias.c (loop_p): Remove.
+ (mark_constant_function): Use mark_dfs_back_edges.
+
+ * reg-stack.c (block_info_def): Add predecessors counter and stack_out.
+ (reg_to_stack): Call mark_dfs_back_edges; count the predecessors.
+ (compensate_edge): Break out from ...
+ (convert_regs_1): ... here; do smart choosing of stack_out to copy.
+ (convert_regs_2): Set block_done once block is really done;
+ Do updating of the predecessors counts.
+
+ * toplev.c (rest_of_compilation): Recompute block_for_insn
+ before post-reload cfg_cleanup.
+ * function.c (thread_prologue_epilogue_insns):
+ Call set_block_for_new_insns when emitting prologue directly.
+
+2001-07-30 Andreas Jaeger <aj@suse.de>
+
+ * jump.c: Add prototype for mark_modified_reg.
+
+ * cse.c (set_live_p): Add unused attribute.
+
+ * gcov.c (calculate_branch_probs): Use gcov_type to avoid
+ overflow.
+ (scan_for_source_files): Use long for count to avoid overflow.
+ (output_data): Likewise.
+ (output_data): Don't use string concatatenation to silence gcc
+ -traditional.
+
+ * predict.c: Fix typos and grammar.
+
+ * gcse.c (insert_insn_end_bb): Remove unused variables.
+
+Mon Jul 30 21:54:53 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * flow.c (mark_set_1): Use REG_FREQ_FROM_BB.
+ (attempt_auto_inc): LIkewise.
+ (mark_used_reg): Likewise.
+ (try_pre_increment_1): Likewise.
+ * regclass.c (regclass): Likewise.
+ * global.c (allocno_compare): Update comment; change scaling factor.
+ * local-alloc.c (QTY_CMP_PRI): Likewise.
+ * regs.h (REG_FREQ_FROM_BB): New.
+ (REG_FREQ_MAX): Likewise.
+
+2001-07-30 H.J. Lu <hjl@gnu.org>
+
+ * config/mips/linux.h (CPLUSPLUS_CPP_SPEC): Add
+ -D_GNU_SOURCE.
+
+2001-07-30 H.J. Lu (hjl@gnu.org)
+
+ * config/mips/linux.h (ASM_DECLARE_FUNCTION_NAME): Defined.
+ (ASM_DECLARE_FUNCTION_SIZE): Likewise.
+ (FUNCTION_NAME_ALREADY_DECLARED): Likewise.
+
+2001-07-30 Nick Clifton <nickc@cambridge.redhat.com>
+
+ * config/arm/t-arm-elf (MULTILIB_EXCEPTIONS): Skip -mthumb as well
+ as -mthumb-interwork when -mcpu=arm7 is specified.
+
+Mon Jul 30 17:44:43 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * predict.def (noreturn, loop branch, loop exit): Mark as first
+ match heuristics.
+
+Mon Jul 30 12:52:11 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * combine.c (try_combine): Avoid barrier after noop jumps.
+
+2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
+
+ * cpphash.h (struct cpp_reader): Remove import_warning.
+ * cpplib.c (skip_rest_of_line): Don't bother turning off
+ macro expansion.
+ (parse_include): Move include handling to...
+ (do_include_common): ... here. Move import warning from...
+ (do_import): ... here.
+ (do_pragma_poison): Don't do a callback for poison identifiers.
+ * cpplib.h (struct cpp_callbacks): Don't do poison callbacks.
+ * cppmain.c (setup_callbacks): Similarly.
+
+Sun Jul 29 23:26:50 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * rtlanal.c (parms_set, find_first_parameter_load): Break out from...;
+ handle multiple sets.
+ * except.c (sjlj_mark_call_sites): .... here.
+ * gcse.c (insert_insn_end_bb): Use find_first_parameter_load.
+
+Sun Jul 29 21:38:45 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ Suggested by Richard Henderson and Richard Kenner:
+ * combine.c (recog_for_combine): Use the fake recog
+ only if instruction does not match.
+ * rtl.h (NOOP_MOVE_INSN_CODE): New.
+ * rtlanal.c (noop_move_p): Always return 1 for NOOP_MOVE_INSN_CODE.
+
+ * combine.c (try_combine): Discover noop jump as direct jump.
+
+2001-07-29 Daniel Berlin <dan@cgsoftware.com>
+
+ * df.c (df_rd_global_compute): Add successors to worklist, not
+ current item.
+ (df_ru_global_compute): Ditto.
+
+2001-07-27 Daniel Berlin <dan@cgsoftware.com>
+
+ * regclass.c (reg_scan_mark_refs): Increment REG_N_REFS when we
+ increment REG_N_SETS.
+
+2001-07-26 Daniel Berlin <dan@cgsoftware.com>
+
+ * sbitmap.h: New prototype for sbitmap_a_xor_b.
+
+ * sbitmap.c (sbitmap_a_xor_b): New function.
+ ifdef the basic block stuff on IN_GCC.
+
+2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
+
+ * cppexp.c (parse_defined): Always record the macro name.
+ (lex): Don't worry about identifiers, or special-case
+ CPP_NOT here.
+ (_cpp_parse_expr): Figure out at the end of the routine
+ whether we saw a valid !defined() expression.
+ * cppfiles.c (stack_include_file): Update for mi_valid.
+ (_cpp_pop_file_buffer): Similarly.
+ * cpplex.c (_cpp_lex_token): Similarly.
+ * cpphash.h (enum mi_state, enum mi_ind, mi_state,
+ mi_if_not_defined, mi_lexed): Remove.
+ (mi_valid): New.
+ * cpplib.c (do_if): Simplify.
+ (do_endif, push_conditional, _cpp_handle_directive): Update
+ for renaming of mi_state to mi_valid.
+doc:
+ * cpp.texi: Add index entries for digraphs, and add comment
+ that C++ refers to them as alternative tokens.
+
+Sun Jul 29 18:59:13 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * basic-block.h (CLEANUP_PRE_LOOP): New.
+ * except.c (finish_eh_generation): Update call of cleanup_cfg.
+ * sibcall.c (optimize_sibling_calls): Likewise.
+ * toplev.c (rest_of_compilation): Likewise.
+ * flow.c (try_forward_edges): Take argument MODE;
+ do not forward over loop pre-headers if CLEANUP_PRE_LOOP.
+ (try_optimize_cfg): Update call of try_forward_edges.
+
+Sun Jul 29 18:59:56 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
+ Jan Hubicka <jh@suse.cz>
+
+ * (validate_replace_rtx_1): Fix simplification of MINUS.
+
+2001-07-29 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ PR preprocessor/3669
+ * cppinit.c (init_dependency_output): Turn off dump requests
+ if sending dependencies to stdout.
+
+2001-07-28 Richard Henderson <rth@redhat.com>
+
+ * flow.c (life_analysis): Elide PROP_ALLOW_CFG_CHANGES if
+ not optimizing.
+
+2001-07-28 Golubev I. N. <gin@mo.msk.ru>
+
+ * config/i386/sco5.h (DWARF2_DEBUGGING_INFO): Define.
+
+2001-07-28 Kazu Hirata <kazu@hxi.com>
+
+ * config/h8300/h8300.h (ENCODE_SECTION_INFO): Check to see if DECL
+ is VAR_DECL first to prevent an ICE.
+
+2001-07-28 Richard Henderson <rth@redhat.com>
+
+ * varasm.c (immed_real_const_1): Don't elide special cases for
+ nested functions.
+ (clear_const_double_mem): Clear const_tiny_rtx too.
+
+2001-07-28 Richard Henderson <rth@redhat.com>
+
+ * dwarf2out.c (dw_val_class_offset): New.
+ (struct dw_ranges_struct, dw_ranges_ref): New.
+ (ranges_table, ranges_table_allocated): New.
+ (ranges_table_in_use, RANGES_TABLE_INCREMENT): New.
+ (add_AT_offset, add_ranges, output_ranges): New.
+ (print_die, output_die): Handle dw_val_class_offset.
+ (attr_checksum, size_of_die, value_format): Likewise.
+ (gen_lexical_block_die): Handle non-contiguous blocks.
+ (gen_block_die): Likewise.
+ (dwarf2out_finish): Add a DW_AT_entry_pc to the compilation unit
+ if needed. Dump the ranges table.
+ * final.c (final_start_function): Remove unnecessary notes and
+ rebuild the block tree before numbering the blocks.
+ * function.c (reorder_blocks_0): Walk the existing block tree
+ to unmark all blocks.
+ (reorder_blocks_1): Create block fragments when duplicate block
+ notes are seen.
+ (reorder_fix_fragments): New.
+ (reorder_blocks): Call it.
+ * tree.h (BLOCK_FRAGMENT_ORIGIN, BLOCK_FRAGMENT_CHAIN): New.
+
+2001-07-28 Richard Henderson <rth@redhat.com>
+
+ * emit-rtl.c (adjust_address): Make a copy of the memory address.
+
+2001-07-28 Richard Henderson <rth@redhat.com>
+
+ * flow.c (add_to_mem_set_list): New function.
+ (init_propagate_block_info): Use it.
+ (mark_set_1): Likewise.
+ (insn_dead_p): Canonicalize memory address for dead store
+ comparison. Allow wider mode stores to kill narrower mode stores.
+ (invalidate_mems_from_autoinc): Use invalidate_mems_from_set.
+ (invalidate_mems_from_set): Don't handle MEMs.
+
+2001-07-28 Kazu Hirata <kazu@hxi.com>
+
+ * config/h8300/h8300.h: Fix formatting.
+
+Sat Jul 28 23:35:22 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * basic-block.h (EDGE_FREQUENCY): New macro.
+ * bb-reorder (fixup_reorder_chain): Set counts and frequencies
+ for new BB/edges.
+ * flow.c (find_sub_basic_blocks): Likewise.
+ (try_crossjump_to_edge): Likewise; use EDGE_FREQUENCY
+ (redirect_edge_and_branch): Use EDGE_FREQUENCY.
+
+ * predict.c (DEF_PREDICTOR): New argument FLAGS.
+ (HITRATE): New macro.
+ (PRED_FLAG_FIRST_MATCH): New constant.
+ (predictor_info): New field flgags.
+ (combine_predictions_for_insn): Use DS theory to combine
+ probabilities; set the edge probabilities when finished.
+ (estimate_probability): Avoid duplicated matches
+ of LOOP_BRANCH heuristics for nested loops; update comment.
+ * predict.def: Add flags for each prediction, set probabilities
+ according to B&L paper.
+ * predict.h (DEF_PREDICTOR): New argument FLAGS.
+
+ * profile.c (compute_branch_probabilities): Cleanup way the edge
+ probabilities are computed and REG_BR_PROB notes are dropped; if
+ values does not match, emit error.
+ (init_branch_prob): Do error instead of warning when profile driven
+ feedback is missing or corrupt.
+
+2001-07-27 DJ Delorie <dj@redhat.com>
+
+ * ifcvt.c (noce_get_alt_condition): If the condition is a compare
+ against a constant, try to adjust the compare to have the desired
+ constant in it so that min/max optimizations happen more often.
+
+Fri Jul 27 17:53:00 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * flow.c (last_loop_beg_note): New function.
+ (redirect_edge_and_branch): Use it.
+ (split_edge): Likewise.
+
+ * alias.c (loop_p): Avoid uninitialized memory access.
+
+ * flow.c (try_forward_edges): Avoid accessing freed memory.
+
+ * flow.c (backward_edge_of_syntactic_loop_p): Avoid uninitialized
+ variable access.
+
+2001-07-26 Andrew Haley <aph@redhat.com>
+ Joern Rennecke <amylaar@redhat.com>
+
+ * config/sh/linux.h (CPP_DEFAULT_CPU_SPEC): New.
+ (SUBTARGET_CPP_ENDIAN_SPEC): New.
+ (SUBTARGET_CPP_SPEC): New.
+ (CPP_SPEC): Remove.
+ * config/sh/sh.h (SUBTARGET_CPP_ENDIAN_SPEC): New.
+ (SUBTARGET_CPP_PTR_SPEC): New.
+ (CPP_DEFAULT_CPU_SPEC): New.
+ (EXTRA_SPECS): Add SUBTARGET_CPP_ENDIAN_SPEC,
+ SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
+ (CPP_SPEC): Break out parts into SUBTARGET_CPP_ENDIAN_SPEC,
+ SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
+ (SUBTARGET_CPP_SPEC): Define as an empty string.
+
+2001-07-27 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
+
+ * doc/install.texi (Configuration): Properly link the host
+ specific instructions also when generating HTML.
+
+Fri Jul 27 00:33:35 EDT 2001 John Wehle (john@feith.com)
+
+ * flow.c (redirect_edge_and_branch_force): Test
+ target->global_live_at_start.
+
+2001-07-26 Richard Henderson <rth@redhat.com>
+
+ * simplify-rtx.c (avoid_constant_pool_reference): Export.
+ * rtl.h (avoid_constant_pool_reference): Declare it.
+ * dwarf2out.c (add_location_or_const_value_attribute): Use it.
+ (add_const_value_attribute): Use add_AT_unsigned for unsigned values.
+
+Thu Jul 26 22:30:22 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * rtl.h (cleanup_barriers): Declare.
+ * jump.c (cleanup_barriers): New function.
+ * toplev.c (rest_of_compilation): Call cleanup_barriers
+ before loop optimizer and after bb_reorder.
+
+ * flow.c (back_edge_of_syntactic_loop_p): New.
+ (split_edge): Use it.
+
+2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
+
+ * glimits.h (_MACH_MACHLIMITS_H_): Delete.
+
+Thu Jul 26 22:22:21 2001 Denis Chertykov <denisc@overta.ru>
+
+ * cse.c (cse_process_notes): Replace any registers if the address
+ remains valid.
+
+Thu Jul 26 14:04:03 EDT 2001 John Wehle (john@feith.com)
+
+ * basic-block.h (PROP_ALLOW_CFG_CHANGES): Define.
+ (PROP_FINAL): Include PROP_ALLOW_CFG_CHANGES.
+ (propagate_block): Update prototype.
+ * flow.c (update_life_info): Simplify the CFG and
+ recalculate the global regs which are alive when
+ removing dead code during a global update.
+ (propagate_block): Return nonzero if an INSN is
+ deleted.
+
+2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
+
+ * Makefile.in (LIBICONV): Define.
+
+2001-07-26 Catherine Moore <clm@redhat.com>
+
+ * config/v850/v850.h (ENCODE_SECTION_INFO): Change order
+ of conditional to avoid tree checking errors.
+
+2001-07-26 Kazu Hirata <kazu@hxi.com>
+
+ * regmove.c (regmove_optimize): Don't replace a reg with
+ another reg of a different mode.
+
+2001-07-26 Andrew MacLeod <amacleod@redhat.com>
+
+ * params.def (PARAM_MAX_PENDING_LIST_LENGTH): Add parameter to
+ limit length of dependency flush list.
+ * params.h (MAX_PENDING_LIST_LENGTH): Define.
+ * sched-int.h (struct deps): Add pending_flush_length field.
+ * sched-deps.c (flush_pending_lists): Last_pending_memory_flush now
+ has 1 element in it.
+ (sched_analyze_1): Use MAX_PENDING_LIST_LENGTH.
+ (sched_analyze): After a jump, if the pending memory flush list is too
+ large, flush the pending lists.
+ (init_deps): Initialize pending_flush_length to 0.
+ * doc/invoke.texi (max_pending_list_length): Document parameter.
+
+2001-07-26 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * toplev.c, varasm.c, final.c: Include xcoffout.h if appropriate.
+ * dbxout.c (dbxout_global_decl): Move outside #ifdef.
+ * Makefile.in (varasm.o, final.o, toplev.o): Update dependencies.
+
+2001-07-26 Neil Booth <neil@cat.daikokuya.demon.co.uk>
+
+ * cpphash.h (struct_lexer_state): Delete was_skipping.
+ Move skipping here from struct cpp_reader.
+ * cpplex.c (parse_identifier): Update.
+ (_cpp_lex_token): Don't skip tokens in a directive.
+ * cpplib.c (struct if_stack): Update.
+ (start_directive, end_directive): Don't change skipping state.
+ (_cpp_handle_directive): Update.
+ (do_ifdef, do_ifndef, do_if, do_elif): Similarly.
+ (do_else, do_endif): Update; only check for excess tokens if not
+ in a skipped conditional block.
+ (push_conditional): Update for new struct if_stack.
+
+2001-07-26 Graham Stott <grahams@redhat.com>
+
+ * function.c (locate_and_pad_parm): Also pad initial offset
+ so that the total argument size also includes the padding.
+
+2001-07-26 Graham Stott <grahams@redhat.com>
+
+ * gensupport.c (alter_output_for_insn): Correct enable checking failure
+ change XSTR to XTMPL.
+
+ (process_one_cond_exec): Likewise
+
+2001-07-25 Richard Henderson <rth@redhat.com>
+
+ * varasm.c (assemble_variable): Create DECL_RTL before setting
+ TREE_ASM_WRITTEN.
+
+Thu Jul 26 00:19:30 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * predict.c (estimate_probability): Avoid duplicated predictions.
+
+ * loop.c (find_and_verify_loops): Grok multiple barriers.
+
+Wed Jul 25 18:00:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * config/alpha/alpha.c (print_operand, case '/'): Don't write '/'.
+
+ * dbxout.c: Consistently use putc instead of fputc.
+ (print_wide_int): New function; call instead of direct fprintf.
+ (dbxout_type_index): Adjust calls of CHARS to be more accurate.
+ (dbxout_type_fields, dbxout_type_method_1): Likewise.
+ (dbxout_type_methods, dbxout_range_type, dbxout_type): Likewise.
+ (print_int_cst_octal): Likewise.
+ (print_octal): Show we wrote characters.
+ (dbxout_type): Set have_used_extensions in more places.
+
+2001-07-25 Catherine Moore <clm@redhat.com>
+
+ * config/v850/v850.c (v850_va_arg): Use addr
+ instead of valist to build incr.
+
+Wed Jul 25 22:48:59 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * flow.c (delete_dead_jumptables): New function.
+ (life_analyzis): Call it.
+ * bb-reorder.c (skip_insns_after_block): Handle contradictory
+ sequences.
+
+2001-07-25 Richard Henderson <rth@redhat.com>
+
+ * except.c (reachable_handlers): Handle a region being removed
+ out from under a RESX.
+
+2001-07-25 Richard Henderson <rth@redhat.com>
+
+ * config/alpha/alpha.c (alpha_emit_conditional_move): Always
+ swap GE/GT if it is an fp comparison.
+
+2001-07-25 Andrew Haley <aph@cambridge.redhat.com>
+
+ * alias.c (rtx_equal_for_memref_p): Allow strings as types in
+ operands.
+
+Wed Jul 25 08:25:01 2001 Jeffrey A Law (law@cygnus.com)
+
+ * ssa.c (rename_insn_1): Do not wrap an assignment to a
+ paradoxical SUBREG inside a SEQUENCE. Fix minor formatting
+ glitch.
+
+ * ssa-ccp.c (visit_expression): Handle CALL_INSNs that can
+ throw an exception.
+ (visit_expression): When attempting to simplify an expression,
+ retrieve any modes for arguments before they are simplified
+ to constants.
+
+2001-07-25 Andrew MacLeod <amacleod@redhat.com>
+ Janis Johnson <janis@us.ibm.com>
+
+ * stmt.c (expand_goto): A nonlocal goto can be a call too.
+ * builtins.c (expand_builtin_longjmp): Reverse label and static chain
+ pointer parameters to match documented usage of nonlocal_goto.
+ * config/ia64/ia64.md (nonlocal_goto): Revert label and static chain
+ parameters to their correct order.
+ * config/sparc/sparc.md (nonlocal_goto): Revert label and static chain
+ parameters to their correct order.
+
+2001-07-25 Andrew MacLeod <amacleod@redhat.com>
+
+ * config/ia64/ia64.h (STRIP_NAME_ENCODING): Strip out '*' as well.
+
+2001-07-25 Jan Hubicka <jh@suse.cz>
+ Richard Henderson <rth@redhat.com>
+
+ * flow.c (find_sub_basic_blocks): Fix handling of the last BB in
+ the sequence.
+ (make_edges): New argument update_p; populate the edge cache if set.
+ (find_basic_blocks): Update make_edges invocation.
+
+2001-07-24 Joel Sherrill <joel@OARcorp.com>
+
+ * config/i960/i960.h (CPP_SPEC): Define _SOFT_FLOAT for -msoft-float.
+
+2001-07-24 Joel Sherrill <joel@OARcorp.com>
+
+ * config/sparc/rtems.h (CPP_PREDEFINES): Remove redundant
+ -Acpu and -Amachine.h.
+ * config/sparc/rtemself.h (CPP_PREDEFINES): Likewise.
+ Corrected header to say ELF not a.out.
+ * config/sparc/sparc.h (CPP_CPU_SPEC): Define _SOFT_FLOAT
+ when given -msoft-float.
+
+2001-07-24 Joel Sherrill <joel@OARcorp.com>
+
+ * config.gcc (arm*-*-rtems*): Include crtinit.o and crtfini.o as
+ extra multilib parts like arm-elf.
+ (i960-*-coff*, i960-*-rtems): Should not use collect2.
+ (m68020-*-elf*, m68k-*-elf*, m68k-*-rtems*): Include crtinit.o and
+ crtfini.o as extra multilib parts.
+
+2001-07-24 Joel Sherrill <joel@OARcorp.com>
+
+ * configure.in: Add rtems as a supported thread model.
+ * gthr-rtems.h: Add missing entry point __gthread_active_p.
+ * configure: Rebuilt.
+
+2001-07-24 Lars Brinkhoff <lars@nocrew.org>
+
+ * stor-layout.c (get_mode_alignment): make it work when
+ BITS_PER_UNIT is not a power of two.
+ * builtins.c (get_pointer_alignment): Likewise.
+
+2001-07-24 Richard Henderson <rth@redhat.com>
+
+ * simplify-rtx.c (avoid_constant_pool_reference): Coerce
+ the retrieved constant into the expected mode.
+
+Wed Jul 25 01:41:27 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * flow.c (try_simplify_condjump): Avoid duplicated edges.
+ (verify_flow_info): Check for duplicated edges; clarify
+ error reporting.
+
+ * flow.c (block_label): Update basic_block_for_insn.
+ (commit_edge_insertions): Call compute_bb_for_insn.
+
+ * flow.c (purge_dead_edges): Handle conditional jumps and conditional
+ returns too.
+
+ * flow.c (redirect_edge_and_branch,
+ try_optimize_cfg): Use redirect_edge_succ_nodup
+ (redirect_edge_succ_nodup): New.
+ * basic_block.h (redirect_edge_succ_nodup): Declare.
+
+ * toplev.c (rest_of_compilation): Rebuild CFG before cfg_cleanup
+ after gcse.
+
+Wed Jul 25 00:32:49 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * flow.c (try_forward_edges): Accept fallthru edge; Update comment.
+ (try_crossjump_to_edge): Update commetns.
+ (try_crossjump_bb): Likewise.
+
+2001-07-24 Richard Henderson <rth@redhat.com>
+
+ * combine.c (distribute_notes): Move set of need_refresh
+ for noop_move_p down to catch all cases.
+
+Tue Jul 24 20:32:44 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * recog.c (split_all_insns_noflow): New.
+ * rtl.h (split_all_insns_noflow): Declare.
+ * ia64.c (ia64_reorg): Use split_all_insns_noflow.
+ * m68hc11.c (m68hc11_reorg): Likewise.
+ * sh.c (machine_dependent_reorg): Likewise.
+ * toplev.c (rest_of_compilation): Likewise for last split_all_insns
+ call.
+
+2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
+
+ * config/sh/sh.md (ashlsi3_std splitter): Split only after reload.
+ (ashlsi3_n splitter): Likewise.
+ (lshrsi3_n splitter): Likewise.
+
+ (GOTaddr2picreg): Make const SImode.
+ (sym_label2reg): Likewise.
+ (symGOT2reg): Likewise.
+ (symGOTOFF2reg) Likewise.
+
+ (casesi_worker_0): Make unspec SImode.
+
+2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
+
+ * config/sh/sh.c (barrier_align): Check that an operand really is
+ an insn before extracting its INSN_CODE.
+
+2001-07-24 Andrew Haley <aph@cambridge.redhat.com>
+
+ * config/sh/sh.h (OVERRIDE_OPTIONS): Add braces to get rid of
+ dangling else.
+
+ * config/sh/sh.h (INITIALIZE_TRAMPOLINE): Truncate operands
+ for SImode to prevent overflow.
+
+2001-07-24 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
+
+ * config/mips/irix6-libc-compat.c: New file.
+ * config/mips/t-iris6 (LIB2FUNCS_STATIC_EXTRA): Use it.
+ * doc/install.texi (Specific, mips*-sgi-irix6): Mention structure
+ passing workaround.
+
+2001-07-24 lars brinkhoff <lars@nocrew.org>
+
+ * rtl.texi (REG_POINTER): Document.
+ (Machine Modes): Document BImode, OImode, PQImode, PHImode,
+ QFmode, HFmode, TQFmode, QCmode, and HCmode.
+
+Tue Jul 24 10:49:40 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * flow.c (delete_noop_moves): Do not confuse libcall regions.
+
+2001-07-23 Richard Henderson <rth@redhat.com>
+
+ * flow.c (try_simplify_condjump): Use tidy_fallthru_edge.
+
+2001-07-23 Kazu Hirata <kazu@hxi.com>
+
+ * config/h8300/h8300-protos.h: Add a prototype for
+ general_operand_dst_push.
+ * config/h8300/h8300.c (general_operand_dst_push): New.
+ * config/h8300/h8300.h (OK_FOR_T): New.
+ (EXTRA_CONSTRAINT): Use it.
+ * config/h8300/h8300.md (movqi_push): Remove and integrate into
+ the existing movqi pattern.
+ (movhi_push): Likewise.
+
+ * reload.c: Fix comment typos.
+
+Mon Jul 23 23:34:07 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * gcse.c (cprop_insn): Update call of cprop_cc0_jump.
+
+2001-07-23 H.J. Lu (hjl@gnu.org)
+
+ * doc/extend.texi: Update __builtin_return_address and
+ __builtin_frame_address.
+
+2001-07-23 Richard Henderson <rth@redhat.com>
+
+ * config/i386/i386.c (ix86_expand_setcc): Don't use method 0
+ before CSE.
+ * config/i386/i386.md: New setcc+movzbl peephole2.
+
+2001-07-23 Neil Booth <neil@cat.daikokuya.demon.co.uk>
+
+ * objc/Make-lang.in (objc-act.o): Depend on debug.h.
+ * objc/objc-act.c: Include debug.h.
+ (synth_module_prologue): Save and restore debug hooks too.
+
+2001-07-23 lars brinkhoff <lars@nocrew.org>
+
+ * tm.texi (TARGET_FLOAT_FORMAT): Document IBM_FLOAT_FORMAT
+ and C4X_FLOAT_FORMAT.
+ (BOOL_TYPE_SIZE): Document.
+
+Mon Jul 23 11:54:23 2001 Clinton Popetz <cpopetz@cpopetz.com>
+
+ * unroll.c (loop_iterations): Fix miscalculation of initial
+ giv offset.
+
+2001-07-13 Andrew Haley <aph@redhat.com>
+
+ * doc/tm.texi (MD_CAN_REDIRECT_BRANCH): New macro.
+ * config/sh/sh.h (MD_CAN_REDIRECT_BRANCH): New macro.
+ * config/sh/sh.c (sh_can_redirect_branch): New function.
+ * config/sh/sh-protos.h (sh_can_redirect_branch): Declare.
+ * reorg.c (steal_delay_list_from_target): Use
+ MD_CAN_REDIRECT_BRANCH to see if redirection is possible.
+
+Mon Jul 23 17:20:18 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * flow.c (try_simplify_condjump): Unlink insn chain on
+ fallthru edge; use can_fallthru.
+
+Mon Jul 23 16:03:19 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * basic-block.h (find_sub_basic_block): Declare.
+ * flow.c (make_edges): New arguments MIN and MAX;
+ (find_sub_basic_blocks): Revamp to use make_edges
+ and purge_dead_edges.
+ (find_basic_blocks): Update call of find_sub_basic_block.
+
+ * recog.c (split_all_insns): Always expect CFG to be consistent;
+ call find_sub_basic_blocks in case something has changed.
+ * toplev.c (rest_of_compilation): Always call split_all_insns once CFG
+ has been built.
+
+ * basic-block.h (delete_noop_moves): Declare.
+ * combine.c (combine_instructions): Call it.
+ (recog_for_combine): Tolerate noop moves
+ (distribute_notes): Force refresh when register dies at noop move.
+ * flow.c (delete_noop_moves): Use BB structure; delete JUMP insns
+ too.
+ (life_analysis): Update delete_noop_moves call.
+ (set_noop_p): Move too ...
+ * rtlanal.c (noop_move_p): ... here.
+ * rtl.h (noop_move_p): Declare.
+
+ * basic-block.h (purge_all_dead_edges, purge_dead_edges): New functions.
+ * toplev.c (rest_of_compilation): Conditionally call purge_all_dead_edges
+ after combine.
+ * gcse.c (cprop_cc0_jump, cprop_insn): New argument "basic_block".
+ (cprop_jump): Likewise; call purge_dead_edges if substitution succeeded.
+
+2001-07-23 Hans-Peter Nilsson <hp@bitrange.com>
+
+ * reload.c (push_reload): Fix typo in comment.
+ (find_reloads_address): Ditto.
+ (reg_overlap_mentioned_for_reload_p): Ditto in head comment.
+
+2001-07-22 Richard Henderson <rth@redhat.com>
+
+ * flow.c: Grammar check and clarify a lot of comments.
+ (try_simplify_condjump): Rename variables to be clearer.
+ (try_forward_edges): Skip complex and fallthru edges.
+ Rearrange tests to avoid duplicate checks.
+ (flow_find_cross_jump): Likewise.
+ (outgoing_edges_match): Allow match if neither branch has
+ probability data. Loosen probability match to 5%.
+ (try_crossjump_to_edge): Hoist repeated indirection into
+ local variables.
+ (try_crossjump_bb): Don't check complex edges. Eliminate
+ redundant crossjump tests.
+ (try_optimize_cfg): Fix use of bool. Reorganize cheaper
+ checks before more expensive checks.
+
+2001-07-22 Richard Henderson <rth@redhat.com>
+
+ * fold-const.c (fold): Test vs FLOAT_TYPE_P instead of
+ INTEGRAL_TYPE_P when folding comparisons with operand_equal_p
+ arguments.
+
+2001-07-22 Richard Henderson <rth@redhat.com>
+
+ * m68k.c (const_uint32_operand): Abort if mode is <= 32 bits.
+ (const_sint32_operand): Likewise.
+ * m68k.md (anon mulsi pattern): Use const_int_operand not
+ const_sint32_operand.
+ (umulsi3_highpart): Zero extend a constant input.
+ (smulsi3_highpart): Don't bother checking SImode constant.
+ (const_umulsi3_highpart): Give op3 DImode.
+ (const_smulsi3_highpart): Likewise.
+
+2001-07-22 Richard Henderson <rth@redhat.com>
+
+ * flow.c (split_block): Make sure bb_note is included in the
+ new block when splitting before a label.
+
+Sun Jul 22 23:28:56 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * basic-block.h (redirect_edge_and_branch_force,
+ redirect_edge_and_branch, block_label, forwarder_block_p): Declare.
+ * flow.c (redirect_edge_and_branch_force,
+ redirect_edge_and_branch, block_label, forwarder_block_p): Make global.
+ (redirect_edge_and_branch_force): Fix copying of lifeness information.
+ (block_label): Handle EXIT_BLOCK_PTR by returning NULL.
+ * ifcvt.c (dead_or_predictable): Take BB as an new destination
+ instead of label; update CFG after transformation.
+ (find_if_case_1): Update call, use redirect_edge_and_branch_force
+ for finishing the transformation; handle even case where ELSE
+ does not follow THEN.
+ (find_if_case_2): Update call of dead_or_predictable; simplify
+ CFG update.
+
+ * emit-rtl.c (split_branch_probability): New global variable.
+ (try_split): Take care to set split_branch_probability and
+ create REG_BR_PROB note for new jump insns.
+ * md.texi (define_split): Document new feature.
+
+ * i386.c (ix86_split_fp_branch): Redistribute branch probability notes.
+
+2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * varasm.c: Don't inlcude dbxout.h, sdbout.h or xcoffout.h.
+ (asm_out_file): Remove redundant declaration.
+ (assemble_asm): Remove old #if 0 block.
+ (assemble_variable): Remove end of function; debug output is
+ now handled with global_decl. Remove old #if 0 block. Update.
+ Remove saved_in_section and associated no-op code.
+ * Makefile.in (varasm.o): Correct dependencies.
+
+Sun Jul 22 17:55:11 2001 Alexandre Oliva <aoliva@redhat.com>
+
+ * config/i386/freebsd-aout.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
+ the definition in defaults.h.
+
+Sun Jul 22 21:31:04 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * jump.c: Update comments.
+ (delete_barrier_successors, delete_unreferenced_labels,
+ delete_noop_moves, tension_vector_labels, delete_from_jump_chain,
+ delete_labelref_insn, redirect_tablejump, jump_optimize_1,
+ jump_optimize, jump_optimize_minimal): Kill.
+ (rebuild_jump_labels): Move code from jump_optimize_1.
+ (purge_line_number_notes): Likewise.
+ (copy_loop_headers): Likewise.
+ * reg-stack.c: Update comment.
+ * stmt.c: Likewise.
+ * rtl.h (jump_optimize, jump_optimize_1, JUMP_NOOP_MOVES,
+ JUMP_AFTER_REGSCAN): Kill.
+ * toplev.c (rest_of_compilation): Use cleanup_cfg, call
+ purge_line_number_notes and copy_loop_headers.
+
+2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
+ Richard Henderson <rth@redhat.com>
+
+ * dbxout.c (dbxout_global_decl): New.
+ (xcoff_debug_hooks, dbx_debug_hooks): Use it.
+ * sdbout.c (sdbout_finish): New.
+ (sdbout_debug_hooks): Use it, add comments.
+ (sdbout_global_decl): Defer initialized public vars to
+ sdbout_finish.
+ * varasm.c (assemble_variable): Don't output debug information
+ for file-scope variables.
+
+2001-07-22 Richard Henderson <rth@redhat.com>
+
+ * config/alpha/alpha.c (get_trap_mode_suffix): New.
+ (get_round_mode_suffix): New.
+ (print_operand): Use them for [/]. Remove support for [&'`()+].
+ * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Update.
+ * config/alpha/alpha.md (attr round_suffix): New.
+ (attr trap_suffix): New.
+ (all insns): Set them appropriately. Use %/ instead of the
+ myriad punctuators.
+
+2001-07-22 Neil Booth <neil@cat.daikokuya.demon.co.uk>
+
+ * dbxout.c, sdbout.c, varasm.c: Revert most recent debug patch.
+
+2001-07-22 Richard Henderson <rth@redhat.com>
+
+ * regrename.c (regrename_optimize): Compute nregs for each
+ potential target register.
+
+2001-07-21 Neil Booth <neil@daikokuya.demon.co.uk>
+ Richard Henderson <rth@redhat.com>
+
+ * dbxout.c (dbxout_global_decl): New.
+ (xcoff_debug_hooks, dbx_debug_hooks): Use it.
+ * sdbout.c (sdbout_finish): New.
+ (sdbout_debug_hooks): Use it, add comments.
+ (sdbout_global_decl): Defer initialized public vars to
+ sdbout_finish.
+ * varasm.c (assemble_variable): Don't output debug information
+ for file-scope variables.
+
+2001-07-21 H.J. Lu (hjl@gnu.org)
+
+ * config/mips/mips.c (mips_cpu): Moved into ...
+ (override_options): Here.
+
+ * config/mips/mips.h (mips_cpu_attr): Replace mips_cpu with
+ mips_tune.
+ (mips_cpu): Removed.
+
+2001-07-21 Stephane Carrez <Stephane.Carrez@worldnet.fr>
+
+ * config/m68hc11/m68hc11.md ("andqi3"): Accept d as second operand.
+ ("iorqi3"): Likewise.
+ ("xorqi3"): Likewise.
+ ("*addhi3"): Fix constraint to avoid reloading in a soft register.
+ ("*subhi3_sp): Likewise.
+ ("*subhi3"): Likewise.
+ ("extendhisi2"): Accept D, X and Y as source operand to avoid
+ reload problems.
+
+2001-07-21 Nathan Sidwell <nathan@codesourcery.com>
+
+ * doc/tm.texi: Remove DEFAULT_VTABLE_THUNKS.
+ * config/freebsd.h: Likewise.
+ * config/linux.h: Likewise.
+ * config/openbsd.h: Likewise.
+ * config/alpha/linux-elf.h: Likewise.
+ * config/arm/linux-elf.h: Likewise.
+ * config/d30v/d30v.h: Likewise.
+ * config/fr30/fr30.h: Likewise.
+ * config/ia64/aix.h: Likewise.
+ * config/ia64/ia64.h: Likewise.
+ * config/mips/linux.h: Likewise.
+ * config/pj/pj.h: Likewise.
+ * config/rs6000/linux.h: Likewise.
+ * config/sparc/linux.h: Likewise.
+ * config/sparc/linux64.h: Likewise.
+
+2001-07-20 Bruce Korb <bkorb@gnu.org>
+
+ * fixinc/fixincl.c(test_for_changes): force unsigned char comparisons
+ because getc() and char* may disagree on signedness.
+
+2001-07-20 Richard Henderson <rth@redhat.com>
+
+ * doc/rtl.texi (REG_DEAD): Update for current semantics.
+
+ * flow.c (try_redirect_by_replacing_jump): Correctly compute which
+ insns to delete in the presence of cc0 in a jump insn.
+
+Fri Jul 20 22:14:49 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
+ Jan Hubicka <jh@suse.cz>
+
+ * m68k.md (zero_extend?i?i2 expander): Use gen_lowpart instead
+ of doing the change by hand.
+
+Fri Jul 20 21:59:42 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * rtlanal.c (set_noop_p): Return true for noop jumps.
+
+ * expr.c (emit_single_push_insn): Add call to push expander.
+ * expr.h (optab_index): Add OTI_push
+ (push_optab): New constant.
+ * genopinit.c (optabs): Add push_optab.
+ * optabs.c (init_optab): Init push optab.
+ * md.texi (push??1): Document
+
+2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
+
+ * config/m68hc11/m68hc11.md ("movdi", "movdi_internal"): Use an
+ expand to emit the pattern; put a REG_INC note for push/pop
+ instructions.
+ ("movdf", "movdf_internal"): Likewise.
+ ("movsi", "movsi_internal"): Likewise.
+ ("movsf", "movsf_internal"): Likewise.
+ ("movhi", "movqi"): Emit a REG_INC note for push/pop instructions.
+
+2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
+
+ * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Don't use
+ gen_highpart.
+
+2001-07-20 Daniel Berlin <dan@cgsoftware.com>
+
+ * params.def: Change default max inline insns to 100.
+
+2001-07-20 Diego Novillo <dnovillo@redhat.com>
+
+ * combine.c (combine_simplify_rtx): Generate a new shift operation
+ when simplifying the first operand of a (neg (ashift)) expression.
+
+2001-07-20 Roman Lechtchinsky <rl@cs.tu-berlin.de>
+
+ * regclass.c (N_REG_INTS): Use only 32 bits per element.
+
+2001-07-20 Kelley Cook <kelley.cook@home.com>
+
+ * doc/install.texi (sparc-sun-solaris*): Add in 4.x assembler bug
+ information. Move rest into ...
+ (*-*-solaris): ... here. Eliminate redundant information and
+ reword necessary packages section. Delete 4.x assembler bug info.
+ (sparc-sun-*): Merge into ...
+ (sparc-sun-sunos*): here.
+
+2001-07-20 Catherine Moore <clm@redhat.com>
+
+ * config/v850/v850.md (casesi): Generate LABEL_REF
+ with Pmode.
+
+Fri Jul 20 14:12:57 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * i386-protos.h (ix86_zero_extend_to_Pmode): Declare.
+ * i386.c (ix86_zero_extend_to_Pmode): Make global.
+ * i386.md (strclrsi expander): Use it.
+
+Fri Jul 20 13:24:16 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * integrate.c (copy_insn_list): handle
+ NOTE_INSN_DELETED_LABEL, as if it were CODE_LABEL.
+ (copy_rtx_and_substitute): Likewise; behave to NOTE_INSN_DELETED_LABEL
+ identically as to CODE_LABEL.
+
+ * fold-const (fold): Convert A/B/C to A/(B*C) and
+ A/(B/C) to (A/B)*C
+
+ * except.c (connect_post_landing_pads): Delete the RESX insns.
+
+2001-07-20 Aldy Hernandez <aldyh@redhat.com>
+
+ * config/mips/mips.h (ISA_HAS_NMADD_NMSUB): New macro.
+
+ * config/mips/mips.md (nmadd/nmsub): Use macro.
+
+2001-07-20 Nathan Sidwell <nathan@codesourcery.com>
+
+ * cppinit.c (remove_dup_dir): Make static.
+ (remove_dup_dirs): Make static. Only warn about preempting a
+ system directory with a non-system directory.
+
+2001-07-19 Geoffrey Keating <geoffk@redhat.com>
+
+ * ifcvt.c (noce_try_store_flag_constants): Correct order
+ of parameters to trunc_int_for_mode.
+
+2001-07-19 Mark Mitchell <mark@codesourcery.com>
+
+ * reorg.c (fill_simple_delay_slots): If an instruction might throw
+ an exception that will be caught within this function, do not fill
+ its delay slot with any subsequent instruction.
+
+2001-07-19 Steve Ellcey <sje@cup.hp.com>
+
+ * tm.texi (POINTERS_EXTEND_UNSIGNED) Modify definition.
+ * optabs.c (can_extend_p) Check HAVE_ptr_extend for a specialized
+ pointer extension instruction.
+ * combine.c (nonzero_bits,num_sign_bit_copies) Likewise.
+ * simplify-rtx.c (simplify_unary_operation) Likewise.
+ * explow.c (convert_memory_address) Check value of
+ POINTERS_EXTEND_UNSIGNED to avoid some conversions when
+ less than zero.
+ * config/ia64/t-hpux (LIBGCC, INSTALL_LIBGCC, MULTILIB_OPTIONS,
+ MULTILIB_DIRNAMES, MULTILIB_MATCHES) Add multilib support.
+ * config/ia64/hpux.h (CPP_SPEC, ASM_SPEC, SUBTARGET_SWITCHES)
+ Add Multilib Support.
+ (POINTERS_EXTEND_UNSIGNED) Define for ILP32 support.
+ * config/ia64/ia64.h (MASK_ILP32, TARGET_ILP32, SUBTARGET_SWITCHES)
+ Add Multilib Support.
+ (POINTER_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE) Modify for ILP32
+ support.
+ * config/ia64/ia64.c (rtx_needs_barrier) Add support for addp4.
+ * config/ia64/ia64.md (ptr_extend) New instruction to "swizzle"
+ a 32 bit HP-UX pointer into a 64 bit HP-UX pointer.
+
+2001-07-19 Alexandre Oliva <aoliva@redhat.com>
+
+ * simplify-rtx.c (simplify_replace_rtx): Try to obtain mode from
+ old and new operands in `<', `3' and `b'.
+
+2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * Makefile.in (emit-rtl.o, c-decl.o): Depend on debug.h.
+ (final.o): Don't depend on xcoffout.h, dbxout.h or sdbout.h.
+ (toplev.o): Don't depend on xcoffout.h.
+ * c-decl.c: Include debug.h
+ (duplicate_decls): Use debug hook.
+ * dbxout.c (dbxout_source_file, dbxout_args): Make static.
+ (dbx_debug_hooks, xcoff_debug_hooks): Update.
+ (dbxout_types): Remove.
+ * dbxout.h (dbxout_source_file, dbxout_types, dbxout_args): Remove.
+ * debug.c (do_nothing_debug_hooks): Update.
+ (debug_true_tree, debug_nothing_rtx): New.
+ * debug.h (struct rtx_def): New.
+ (struct gcc_debug_hooks): New hooks ignore_block,
+ outlining_inline_function and label.
+ (debug_true_tree, debug_nothing_rtx, dwarf2out_frame_init,
+ dwarf2out_frame_finish): New.
+ * dwarf2out.c (dwarf2out_ignore_block, dwarf2out_abstract_function):
+ Make static, update prototype.
+ (dwarf2_debug_hooks): Update.
+ * dwarf2out.h (dwarf2out_ignore_block, dwarf2out_abstract_function,
+ dwarf2out_frame_init, dwarf2out_frame_finish): Remove.
+ * dwarfout.c (dwarf_debug_hooks): Update.
+ * emit-rtl.c: Include debug.h.
+ (remove_unnecessary_notes): Use debug hook.
+ * final.c: Don't include dbxout.h, xcoffout.h or sdbout.h.
+ (final_scan_insn): Use debug hook.
+ * integrate.c (output_inline_function): Use debug hook.
+ * sdbout.c (sdbout_toplevel_data, sdbout_label): Make static.
+ (sdb_debug_hooks): Update.
+ * sdbout.h (sdbout_label, sdbout_toplevel_data): Remove.
+ * toplev.c: Don't include xcoffout.h.
+ (note_outlining_of_inline_function, debug_ignore_block): Remove.
+ * toplev.h (note_outlining_of_inline_function, debug_ignore_block):
+ Remove.
+ * tree.h (dwarf2out_do_frame): Remove.
+
+2001-07-19 Catherine Moore <clm@cygnus.com>
+
+ * config/v850/v850.h (ASM_OUTPUT_LABELREF): Restore.
+
+2001-07-19 Geoffrey Keating <geoffk@redhat.com>
+
+ * reload1.c (eliminate_regs_in_insn): When updating a set
+ to the frame pointer to the hardware frame pointer, perform
+ the update always not just when REPLACE is set.
+
+ * reload1.c (choose_reload_regs): Don't inherit a reload
+ that crosses multiple registers if registers past the first
+ don't fit in the desired class.
+
+ * ifcvt.c (noce_try_store_flag_constants): Use trunc_int_for_mode
+ when negating constants.
+
+2001-07-19 Toon Moene <toon@moene.indiv.nluug.nl>
+
+ * tree.def: Document restriction on {L|R}SHIFT_EXPR's second argument.
+ * doc/tree.texi: Ditto.
+
+2001-07-19 Mark Kettenis <kettenis@wins.uva.nl>
+ Jakub Jelinek <jakub@redhat.com>
+
+ * unwind-dw2.c (_Unwind_FrameState): Add eh_ptr.
+ (extract_cie_info): Handle "eh" augmentation properly,
+ remember eh_ptr.
+ (struct frame_state, __frame_state_for): New.
+
+2001-07-19 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
+
+ * config/alpha/osf.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL,
+ HANDLE_SYSV_PRAGMA): Define.
+ * mips-tfile.c (add_ext_symbol): Pass complete symbol ptr, inline
+ previous args.
+ (copy_object): Caller changed.
+
+2001-07-19 Andreas Schwab <schwab@suse.de>
+
+ * configure.in (assembler dwarf2 debug_line support): Define nop
+ insn for m68k.
+ * configure: Regenerated.
+
+2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * Makefile.in (toplev.o, dwarfout.o, final.o): Don't depend on
+ dwarfout.h.
+ * dbxout.c (dbxout_function): Rename dbxout_function_decl, move
+ to conditionally compiled block.
+ (dbx_debug_hooks, xcoff_debug_hooks): Update.
+ * dbxout.h (dbxout_function): Remove.
+ * debug.c (do_nothing_debug_hooks): Update.
+ * debug.h (struct gcc_debug_hooks): New hooks function_decl,
+ global_decl, deferred_inline_function.
+ * dwarf2out.c (dwarf2_debug_hooks): Update.
+ (dwarf2out_global_decl): New.
+ * dwarfout.c: Don't include dwarfout.h.
+ (dwarfout_global_decl, dwarfout_function_decl,
+ dwarfout_deferred_inline_function): New.
+ (dwarf_debug_hooks): Update.
+ * dwarfout.h: Remove.
+ * final.c: Don't include dwarfout.h.
+ * sdbout.c (sdbout_global_decl): New.
+ (sdbout_debug_hooks): Update.
+ * toplev.c: Don't include dwarfout.h.
+ (check_global_declarations, rest_of_compilation): Use new debug hooks.
+ (note_deferral_of_defined_inline_function): Remove.
+ * toplev.h (note_deferral_of_defined_inline_function): Remove.
+ * ch/Makefile.in (lex.o): No dependence on dwarfout.h.
+ * ch/lex.c: Don't include dwarfout.h.
+ * cp/Make-lang.in (decl2.o): No dependence on dwarfout.h, dwarf2out.h.
+ (semantics.o, optimize.o): Depend on debug.h not dwarfout.h.
+ * cp/decl2.c: Don't include dwarfout.h and dwarf2out.h.
+ * cp/optimize.c: Include debug.h.
+ (maybe_clone_body): Use debug hook.
+ * cp/semantics.c: Include debug.h.
+ (expand_body): Use debug hook.
+ * po/POTFILES.in: Remove dwarfout.h.
+
+2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * c-lex.c (c_lex): Remove CPP_INT, CPP_FLOAT cases.
+ * c-parse.in (yyerror, _yylex): Similarly.
+ * cppexp.c (parse_number, parse_defined, lex, _cpp_parse_expr):
+ Don't use CPP_INT, CPP_FLOAT; CPP_NUMBER is enough.
+ Update comments.
+ * cpplib.h (CPP_INT, CPP_FLOAT): Remove.
+ * cp/spew.c (read_token, yyerror): Remove CPP_INT, CPP_FLOAT cases.
+
+2001-07-18 Jeff Sturm <jsturm@one-point.com>
+
+ * dwarf2out.c (dwarf2out_abstract_function): Don't emit
+ in-class declaration at -g1. Fixes c++/2814.
+
+2001-07-18 Richard Henderson <rth@redhat.com>
+
+ * doc/md.texi (reload_in/out): Document restrictions in predicates
+ and constraints for these patterns. Document empty string matching
+ ALL_REGS.
+
+2001-07-18 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
+
+ * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Check for ASM_WEAKEN_LABEL.
+
+Wed Jul 18 20:47:36 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * cse.c: Undo my previous patch.
+
+2001-07-18 Tom Tromey <tromey@redhat.com>
+
+ For PR java/2812:
+ * configure: Rebuilt.
+ * configure.in: Don't check for iconv.h or iconv(); use AM_ICONV
+ instead.
+ * aclocal.m4 (AM_ICONV): New macro from Bruno Haible.
+
+Wed Jul 18 18:46:30 CEST 2001 Richard Henderson <rth@cygnus.com>
+ Jan Hubicka <jh@suse.cz>
+
+ * flow.c (redirect_edge_and_branch): Bail out on complex edges.
+ (try_optimize_cfg): Do not remove tail recursive labels before sibcall.
+ * jump.c (mark_jump_label): Do not forward branches.
+
+Wed Jul 18 18:35:01 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * cse.c (delete_trivially_dead_insns): Delete the libcall block
+ when return value is unused.
+
+Wed Jul 18 18:28:16 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * gcse.c (pre_insert_copy_insn): Call update_ld_motion_stores.
+
+Wed Jul 18 12:05:29 2001 Nicola Pero <n.pero@mi.flashnet.it>
+
+ * gthr-posix.h (__gthread_objc_mutex_trylock): Fixed return value
+ on error. We can't blindly return the result of
+ pthread_mutex_trylock because it returns a positive number on
+ error, while we must return -1 on error.
+ (__gthread_objc_mutex_lock, __gthread_objc_mutex_unlock): Similar
+ fixes.
+ Reported by Stephen Brandon <stephen@brandonitconsulting.co.uk>.
+
+2001-07-18 Andreas Jaeger <aj@suse.de>
+
+ * integrate.c (output_inline_function): Correct type of debug_hooks.
+
+2001-07-18 Toon Moene <toon@moene.indiv.nluug.nl>
+
+ * combine.c (combine_simplify_rtx): DIV can be treated
+ associatively for floats if unsafe math optimisations are enabled.
+
+2001-07-17 Richard Henderson <rth@redhat.com>
+
+ * reload.c (push_secondary_reload): Accept empty-string for ALL_REGS.
+
+2001-07-17 Richard Henderson <rth@redhat.com>
+
+ * calls.c (prepare_call_address): New parameter SIBCALLP. If true,
+ don't force the function address into a register.
+ (expand_call, emit_library_call_value_1): Update callers.
+ * builtins.c (expand_builtin_apply): Likewise.
+ * expr.h (prepare_call_address): Update decl.
+
+2001-07-17 Chandrakala Chavva <cchavva@redhat.com>
+
+ * config.gcc: For *-*-chorusos triplet, get chorus.h file from
+ config directory.
+ * config/i386/chorus.h: Move up.
+ * config/sparc/chorus.h: Likewise.
+ * config/rs6000/chorus.h: Likewise.
+ * config/chorus.h: Moved here.
+
+2001-07-17 Andreas Schwab <schwab@suse.de>
+
+ * configure.in (assembler eh_frame optimization): Handle big
+ endian.
+ * configure: Regenerated.
+
+Tue Jul 17 23:43:31 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * expr.c (epxand_expr): Convert divisions into multiplications by
+ reciprocals if -ffast-math.
+
+2001-07-17 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * dbxout.c (dbxout_really_begin_function): Rename to
+ dbxout_begin_function.
+ (dbx_debug_hooks, xcoff_debug_hooks): Update.
+ (dbxout_begin_function): Remove.
+ (dbxout_function): Update.
+ (dbxout_source_line): Update prototype.
+ * dbxout.h (dbxout_begin_function): Remove.
+ * debug.c (do_nothing_debug_hooks): Update.
+ (debug_nothing_tree): Update.
+ (debug_nothing_charstar_rtx): Remove.
+ * debug.h (union tree_node): Declare.
+ (struct rtx_def): Remove.
+ (gcc_debug_hooks): New hooks begin_prologue, end_prologue,
+ begin_function. Change source_line prototype.
+ (debug_nothing_tree): New.
+ (debug_nothing_charstar_rtx): Delete.
+ (dwarf2out_begin_prologue): Moved from ...
+ * tree.h: ... here.
+ * dwarf2out.c (dwarf2_debug_hooks): Update.
+ (dwarf2out_begin_prologue): Update prototype. If genuine dwarf2
+ debug info, call dwarf2out_source_line.
+ (dwarf2out_souce_line): Update prototype.
+ * dwarfout.c (dwarfout_begin_function): Rename dwarfout_end_prologue.
+ Change prototype, make static.
+ (dwarfout_source_line): Update prototype.
+ (dwarf_debug_hooks): Update.
+ * dwarfout.h (dwarfout_begin_function): Remove.
+ * final.c (final_start_function, final_scan_insn): Use appropriate
+ debug hooks, update to use notice_source_line.
+ (output_source_line): Rename notice_source_line. Don't call the
+ source_line debug hook.
+ * sdbout.c (sdbout_begin_function): Rename sdbout_begin_prologue,
+ make static, update prototype.
+ (sdbout_mark_begin_function): Rename sdbout_begin_function, update
+ prototype.
+ (sdbout_end_prologue): New.
+ (sdbout_source_line): Update prototype.
+ (sdbout_debug_hooks): Update.
+ (sdbout_symbol): Remove unused var.
+ * sdbout.h (sdbout_begin_function, sdbout_mark_begin_function):
+ Delete.
+ * varasm.c: Include debug.h.
+ (assemble_start_function): Use begin_function debug_hook.
+ * xcoffout.c (xcoffout_begin_prologue): Rename xcoffout_begin_function,
+ update with prototype.
+ (xcoffout_source_line): Update prototype.
+ * xcoffout.h (xcoffout_begin_prologue): Rename xcoffout_begin_function,
+ update prototype.
+ (xcoffout_source_line): Update prototype.
+
+2001-07-17 Richard Henderson <rth@redhat.com>
+
+ * c-typeck.c (build_binary_op): Do not shorten unsigned
+ right shift after sign extension.
+
+Tue Jul 17 16:56:05 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * combine.c (combine_simplify_rtx): Attempt to simplify
+ a*(b/c) as (a*b)/c for floats in unsafe_math mode.
+
+ * simplify-rtx.c (avoid_constatn_pool_reference): New static function.
+ (simplify_binary_operation, simplify_unary_operation,
+ simplify_relational_operation): Use it.
+
+ * combine.c (combine_simplify_rtx): Don't do associative law
+ on divisions; allow associative law on floats.
+
+2001-07-17 H.J. Lu <hjl@gnu.org>
+ Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
+
+ * c-pragma.h (HANDLE_PRAGMA_WEAK): Define iff ASM_WEAKEN_LABEL and
+ ASM_OUTPUT_WEAK_ALIAS are defined.
+ * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Define if possible.
+ * config/mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL):
+ Moved ...
+ * config/mips/iris5.h: ... here.
+ (HANDLE_SYSV_PRAGMA): Defined as 1.
+ * varasm.c (weak_finish): Use ASM_OUTPUT_WEAK_ALIAS.
+ * doc/tm.texi (ASM_OUTPUT_WEAK_ALIAS): Support the undefined weak
+ symbol.
+
+2001-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-parse.in (all_prefix_attributes): New variable.
+ (PUSH_DECLSPEC_STACK, POP_DECLSPEC_STACK): New macros.
+ (maybe_resetattrs): New production.
+ (c_parse_init, datadef, fndef, datadecl, setspecs, setattrs, decl,
+ maybe_type_quals_setattrs, initdecls, notype_initdecls, initdcl,
+ notype_initdcl, nested_function, notype_nested_function,
+ component_decl, components, components_notype,
+ component_declarator, component_notype_declarator,
+ absdcl_maybe_attribute, parm, firstparm, setspecs_fp, ivar_decl,
+ ivars, mydecl, myparm): Update. Avoid prefix attributes just
+ after a comma being applied to more than one declarator.
+ * doc/extend.texi (Attribute Syntax): Update. Remove
+ documentation of bugs that are no longer present.
+
+2001-07-13 Eric Christopher <echristo@redhat.com>
+
+ * config/mips/mips.h: Change TUNE_MIPS* options to use
+ mips_tune.
+ (EXTRA_SPECS): Add cc1_cpu_spec.
+ * config/mips/mips.md (muldf3): Fix typo.
+
+2001-07-16 Richard Henderson <rth@redhat.com>
+
+ * config/m68k/m68k.c: Include expr.h and reload.h.
+ (print_operand_address) [16 bit int]: Cast INTVAL to int for %d.
+ [general int]: Use HOST_WIDE_INT_PRINT_DEC.
+
+2001-07-16 Daniel Berlin <dan@cgsoftware.com>
+ Richard Henderson <rth@redhat.com>
+
+ * cse.c (set_live_p): Take INSN argument for cc0; update callers.
+ (insn_live_p): Fix fall off end of function.
+ (dead_libcall_p): Remove COUNTS argument; update callers.
+ (delete_trivially_dead_insns): Remove unused variables.
+
+2001-07-17 Andreas Jaeger <aj@suse.de>
+
+ * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix output format for
+ x86-64 pic support.
+
+ * lcm.c (optimize_mode_switching): Avoid warning for unused
+ variable if !NORMAL_MODE.
+
+ * flow.c (try_crossjump_to_edge): Remove unused variable.
+
+2001-07-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
+
+ * inclhack.def (ultrix_atexit_param): New hack to fix ultrix 4.3
+ atexit declaration in stdlib.h.
+
+2001-07-16 Richard Begg <Richard.Begg@colesmyer.com.au>
+
+ * fixinc/inclhack.def(hpux_vsnprintf): brokenness in stdio.h
+
+Mon Jul 16 22:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * basic-block.h (CLEANUP_PRE_SIBCALL): New constant.
+ * except.c (finish_eh_generation): Update call of cleanup_cfg;
+ do rebuild_jump_labels instead of jump_optimize
+ * sibcall.c (optimize_sibling_and_tail_recursive_call): Likewise.
+ * toplev.c (rest_of_compulation): Likewise for -Wreturn_type.
+ * flow.c (try_optimize_cfg): Remove unneeded code_labels.
+
+ * flow.c: Include timevar.h
+ (find_basic_block): Push/pop timevar;
+ (cleanup_cfg): Likewise.
+ * timevar.def (TV_CFG, TV_CLEANUP_CFG): New.
+ * Makefile: Add dependencies on timevar.h
+
+ * integrate.c (save_for_inline): Kill all BASIC_BLOCK notes.
+ (copy_insn_list): Avoid killing of BASIC_BLOCK notes.
+
+ * rtl.h (delete_trivially_dead_insns): Add new parameter.
+ * toplev.c (rest_of_compilation): Update calls.
+ * cse.c (set_live_p, insn_live_p, dead_libcall_p): Break out from ...
+ (delete_trivially_dead_insns): ... here; accept new argument
+ preserve_basic_blocks; preserve basic blocks if set.
+
+ * reg-stack.c (stack_regs_mentioned): Return 0 if
+ stack_regs_mentioned_data is not initialized.
+ (reg_to_stack): Make stack_regs_mentioned survive after the
+ reg-stack is completted; do not call cleanup_cfg.
+ * toplev.c (rest_of_compilation): Do cleanup_cfg before bb-reorder;
+ make cleanup_cfg after bb-reorder to output to debug file.
+
+2001-07-16 Richard Henderson <rth@redhat.com>
+
+ * regclass.c (init_reg_sets): Use only 32 bits per initializer
+ from int_reg_class_contents.
+
+2001-07-16 Richard Henderson <rth@redhat.com>
+
+ * hard-reg-set.h (regs_invalidated_by_call): Declare.
+ * regclass.c (regs_invalidated_by_call): Move from cse.c.
+ (init_reg_sets_1): Move initialization from cse_main.
+ * cse.c (regs_invalidated_by_call): Move to regclass.c.
+ (cse_main): Move its initialization also.
+ * df.c (df_insn_refs_record): Use regs_invalidated_by_call.
+ * flow.c (propagate_one_insn): Likewise.
+ * gcse.c (compute_hash_table): Likewise.
+ (compute_kill_rd, compute_store_table): Likewise.
+ * sched-deps.c (sched_analyze_1): Likewise.
+
+Mon Jul 16 18:07:07 2001 J"orn Rennecke <amylaar@redhat.com>
+
+ * gcse.c (pre_insert_copy_insn): Use gen_move_insn instead of
+ gen_rtx_SET.
+
+2001-07-16 Steve Ellcey <sje@cup.hp.com>
+
+ * dominance.c (calc_dfs_tree_nonrec): Reverse order of tests
+ in if statement so we don't access undefined memory.
+
+2001-07-16 Daniel Berlin <dan@cgsoftware.com>
+
+ * gcse.c: Update comment at top.
+ Update comment on mem handling.
+ mem_last_set, mem_first_set, mem_set_in_block: gone.
+ Declaration of reg_set_info: gone.
+ (oprs_unchanged_p): Don't use mem_*set_* anymore. They are
+ pointless with load_killed_in_block_p (they are *more*
+ conservative then it, not less, and less accurate).
+ (oprs_not_set_p): Ditto.
+ (alloc_gcse_mem): Don't allocate mem_set_in_block
+ (free_gcse_mem): Don't free it, either.
+ (record_last_mem_set_info): Update comment in front, remove
+ mem_*set_* stuff. Note the reason we don't handle stores directly
+ here.
+ (compute_hash_table): Update comments to reflect reality. Remove
+ mem_*set_* references.
+ (reset_opr_set_tables): Remove mem_*set_* references.
+ (mark_call): Ditto.
+ (mark_set): Ditto. Also remove double sets of bitmaps for REG's.
+ (mark_clobber): Ditto (on both parts, we double set here too).
+ (expr_killed_p): Remove mem_set_in_block test.
+ (compute_transp): Remove mem_set_in_block test.
+
+ * ssa-ccp.c: (optimize_unexecutable_edges): Add note about removal
+ of edge, and removal of phi alternative to dump file.
+ (ssa_ccp_substitute_constants): Add note about register now being
+ constant, and which uses were replaced in what insns to dump file.
+
+2001-07-16 Andreas Jaeger <aj@suse.de>
+
+ * gcov.c (output_data): Use HOST_WIDEST_INT_PRINT_DEC to output
+ variables of type HOST_WIDEST_INT.
+
+ * libgcc2.c (__bb_exit_func): Handle gcov_type as long long.
+ (__bb_exit_func): Correct type of count_max to avoid overflow.
+ (num_digits): Handle long long argument.
+
+ * combine.c (gen_lowpart_for_combine): Remove unused variable.
+
+2001-07-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
+
+ * output.h (sdb_begin_function_line): Restore as an extern
+ variable.
+ * sdbout.c (sdb_begin_function_line): Make extern.
+
+2001-07-15 Richard Henderson <rth@redhat.com>
+
+ * machmode.def (Pmode): Redefine if GENERATOR_FILE.
+ * genrecog.c (maybe_both_true_mode): New.
+ (maybe_both_true_2): Use it.
+ (write_switch): Don't put Pmode in a switch.
+ * rtl.c (mode arrays): Don't explicitly size them.
+
+Sun Jul 15 14:07:36 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * toplev.c (rest_of_compilation): Fix register_life_up_to_date
+ handling; move unconditional splitting before mode switching.
+
+ * i386.md (type): Add fistp type.
+ (i387, length_attr, scheduling definitions): Handle this type.
+ (fix_trunc?f?i2): Revamp to use mode switching.
+ (fix_trunct?f?i_nonmemory, fix_trunc?f?i_memory): New patterns.
+ * i386.h (fp_cw_mode): New enum
+ (OPTIMIZE_MODE_SWITCHING, NUM_MODES_FOR_MODE_SWITCHING, MODE_NEEDED,
+ MODE_PRIORITY_TO_MODE, ENUM_MODE_SET): New macros.
+
+Sun Jul 15 12:53:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * Makefile.in (integrate.o): Add debug.h.
+ * integrate.c (debug.h): Add.
+ (output_inline_function): Save, reset, and restore debug_hooks.
+
+2001-07-15 Richard Henderson <rth@redhat.com>
+
+ * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use CCmode
+ instead of COMPARE for the EQUIV expression.
+
+2001-07-15 Richard Henderson <rth@redhat.com>
+
+ * flow.c (redirect_edge_and_branch_force): Initialize
+ global_live_at_start and global_live_at_end.
+ (allocate_bb_life_data): Export.
+ * basic-block.h (allocate_bb_life_data): Declare.
+ * toplev.c (rest_of_compilation): Call it.
+
+2001-07-15 Richard Henderson <rth@redhat.com>
+
+ * config/alpha/alpha.c (alpha_tablejump_addr_vec): New.
+ (alpha_tablejump_best_label): New.
+ * config/alpha/alpha-protos.h: Declare them.
+ * config/alpha/alpha.md: Use braced strings for code blocks.
+ (tablejump_osf): Break out add with r29.
+ (tablejump_osf_internal): Remove.
+ (tablejump_osf_nt_internal): Rename from tablejump_nt_internal,
+ use alpha_tablejump_addr_vec and alpha_tablejump_best_label.
+
+Sun Jul 15 00:53:35 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * loop.c (scan_loop): Add USEs inside PARALLELs into dependencies
+ of the movable.
+
+ * toplev.c (rest_of_compilation): Allow new pseudoes for mode switching.
+
+ * i386-protos.h (ix86_split_fp_branch): Update prototype.
+ (ix86_fp_jump_nontrivial_p): New.
+ * i386.md (fp_jcc_?): Update call of split_fp_branch;
+ use ix86_fp_jump_nontrivial_p.
+ * i386.c (ix86_fp_jump_nontrivial_p): New.
+ (ix86_split_fp_branch): Accept code instead of rtx.
+ (ix86_expand_compare): Expand comparison early in case
+ doing so is resonably cheap.
+
+2001-07-15 Nick Clifton <nickc@cambridge.redhat.com>
+
+ * config/rs6000/sysv4.h (CPP_ENDIAN_BIG_SPEC): Assert 'endian'
+ not 'machine'.
+ (CPP_ENDIAN_LITTLE_SPEC): Assert 'endian' not 'machine'.
+ (CPP_ENDIAN_SOLARIS_SPEC): Assert 'endian' not 'machine'.
+
+2001-07-15 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * dbxout.c (dbxout_source_line): Make static, update prototype.
+ (dbx_debug_hooks, xcoff_debug_hooks): Add new hooks.
+ (dbxout_init, dbxout_finish, dbxout_source_line,
+ dbxout_begin_block, dbxout_end_block): Update for new prototypes.
+ * dbxout.h (dbxout_source_line): Delete.
+ * debug.c (debug_nothing_file, debug_nothing_file_int,
+ debug_nothing_file_charstar_rtx): New.
+ (do_nothing_debug_hooks): Update.
+ (debug_nothing_void, debug_nothing_charstar_rtx,
+ dwarf2out_end_epilogue): New.
+ (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
+ * debug.h (struct rtx_def): Declare.
+ (gcc_debug_hooks): New hooks source_line, end_epilogue
+ and end_function.
+ (debug_nothing_void, debug_nothing_charstar_rtx,
+ dwarf2out_end_epilogue): New.
+ (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
+ * dwarf2out.c (dwarf2out_source_line): Make static, update prototype.
+ (dwarf2_debug_hooks): Update.
+ (dwarf2out_init, dwarf2out_finish, dwarf2out_source_line,
+ dwarf2out_begin_block, dwarf2out_end_block): Update for new prototypes.
+ * dwarf2out.h (dwarf2out_source_line): Remove.
+ * dwarfout.c (dwarfout_end_epilogue, dwarfout_end_function):
+ Make static, update prototype.
+ (dwarfout_init, dwarfout_finish, dwarfout_source_line,
+ dwarfout_begin_block, dwarfout_end_block): Update for new prototypes.
+ (dwarf_debug_hooks): Update.
+ * dwarfout.h (dwarfout_end_epilogue, dwarfout_source_line,
+ dwarfout_end_function): Remove.
+ * final.c (profile_function): Use debug hooks for ending functions
+ and epilogues.
+ (output_source_line, final_end_function): Update prototype,
+ use debug hooks.
+ (final_start_function, final_scan_insn): Update.
+ * output.h (sdb_begin_function_line): Remove.
+ (final_end_function): Update prototype.
+ * sdbout.c (sdb_begin_function_line): Make static.
+ (PUT_SDB_EPILOGUE_END): Move to sdbout_end_epilogue.
+ (sdbout_source_line): New.
+ (sdbout_end_epilogue, sdbout_end_function): Make static, update
+ prototypes.
+ (sdb_debug_hooks): Update.
+ (sdbout_init, sdbout_source_line,
+ sdbout_begin_block, sdbout_end_block): Update for new prototypes.
+ * sdbout.h (sdbout_end_epilogue, sdbout_end_function): Remove.
+ * toplev.c (compile_file, rest_of_compilation): Update.
+ * tree.h (dwarf2out_end_epilogue): Move to debug.h.
+ * xcoffout.c (xcoffout_source_line, xcoffout_begin_block,
+ xcoffout_end_block, xcoffout_end_epilogue, xcoffout_end_function):
+ Update for prototype changes.
+ * xcoffout.h (xcoffout_source_line, xcoffout_begin_block,
+ xcoffout_end_block, xcoffout_end_epilogue): Update prototypes.
+
+2001-07-15 Richard Henderson <rth@redhat.com>
+
+ * config/alpha/alpha.h (TARGET_ABI_OSF): New.
+ (TARGET_ABI_WINDOWS_NT, TARGET_ABI_OPEN_VMS): Rename; update users.
+ * config/alpha/alpha-protos.h: Update TARGET_ABI_* users.
+ * config/alpha/alpha.c: Likewise.
+ * config/alpha/alpha.md: Likewise.
+ * config/alpha/alpha32.h: Likewise.
+ * config/alpha/vms.h: Likewise.
+ (OPEN_VMS): Remove.
+
+2001-07-14 Richard Henderson <rth@redhat.com>
+
+ * config/alpha/alpha.md: Use define_constants for unspec values.
+ Substitute throughout.
+
+2001-07-14 Tim Josling <tej@melbpc.org.au>
+
+ * tree.def (EXPON_EXPR) remove. Never supported anyway.
+
+2001-07-14 John David Anglin <dave@hiauly1.hia.nrc.ca>
+
+ * pa.md: Remove unused constraints from define_split's.
+
+2001-04-14 Richard Henderson <rth@redhat.com>
+
+ * ifcvt.c (find_cond_trap): Test for exit block.
+
+Sun Jul 15 00:50:20 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ Re-install recently reverted patch.
+ * emit-rtl.c (try_split): Update mark_jump_label call.
+ * flow.c (find_sub_basic_blocks): Likewise.
+ * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
+ jump_back_p): Kill.
+ (mark_all_labels): Kill second parameter.
+ (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
+ (rebuild_jump_labels, jump_optimize_minimal): Update call
+ of jump_optimize_1.
+ (jump_optimize_1): Kill crossjumping code.
+ (mark_jump_label): Kill cross_jump parameter.
+ * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
+ (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
+ * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
+ splitting.
+ * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
+ DFI_bpro.
+ (dump_file_info): Likewise.
+ (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
+ reorganize passes to do reg-stack first, bb-reorder second.
+ * invoke.texi (-d letters doc): Remove the jump2 pass.
+
+2001-07-14 Richard Henderson <rth@redhat.com>
+
+ * ifcvt.c (find_cond_trap): New.
+ (find_if_header): Call it.
+ (merge_if_block): Relax existing jump sanity check.
+ * jump.c (jump_optimize_1): Remove conditional trap handling.
+
+2001-07-14 Alan Modra <amodra@bigpond.net.au>
+
+ * config/pa/pa.c (emit_hpdiv_const): Return reg is r2 for 64-bit
+ millicode.
+ (insn_refs_are_delayed): Correct comment.
+ * config/pa/pa.h (INSN_REFERENCES_ARE_DELAYED): Likewise.
+ * config/pa/pa.md (mulsi3): If TARGET_64BIT, clobber r2
+ instead of r31. Make associated insn !TARGET_64BIT, and
+ provide an additional 64-bit insn that clobbers r2.
+ (divsi3): Likewise.
+ (udivsi3): Likewise.
+ (modsi3): Likewise.
+ (umodsi3): Likewise.
+
+Sat Jul 14 02:58:38 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * bb-reorder.c (skip_insn_after_block): Get past the line number notes.
+
+ * flow.c (redirect_edge_and_branch_force, split_edge,
+ try_crossjump_to_edge): Use set_block_for_new_insns.
+ * bb-reorder.c (emit_jump_to_block_after): Call set_block_for_new_insns.
+
+2001-07-13 H.J. Lu (hjl@gnu.org)
+
+ * config/elfos.h (UNIQUE_SECTION): Enable .bss section with
+ the correct patch.
+
+2001-07-13 Geoffrey Keating <geoffk@redhat.com>
+
+ Revert H.J. Lu's UNIQUE_SECTION patch of 2001-07-13.
+
+2001-07-13 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-common.c (decl_attributes): Take a pointer to the node to
+ which attributes are to be attached, and a flags argument.
+ * c-common.h (enum attribute_flags): New.
+ (decl_attributes): Update prototype.
+ * c-decl.c (start_decl, push_parm_decl, finish_struct,
+ finish_enum, start_function): Update calls to decl_attributes.
+ * c-parse.in (component_declarator, component_notype_declarator,
+ label): Update calls to decl_attributes.
+
+Fri Jul 13 23:04:00 2001 Denis Chertykov <denisc@overta.ru>
+
+ * config/avr/avr.md (strlenhi): PARALLEL keyword removed.
+ * config/avr/avr.c (legitimate_address_p): Return value changed
+ from letter to register classes. For better debugging.
+
+2001-07-13 Kazu Hirata <kazu@hxi.com>
+
+ * jump.c (reversed_comparison_code_parts): Fix comment typos.
+
+2001-07-13 H.J. Lu (hjl@gnu.org)
+
+ * config/elfos.h (UNIQUE_SECTION): Enable .bss section.
+
+2001-07-13 Marc Espie <espie@cvs.openbsd.org>
+
+ * config.gcc (*-*-openbsd*): Add fragment to compile libgcc
+ correctly for shared configurations.
+ * config/t-libgcc-pic: New.
+ * config/{i386,m68k,sparc}/t-openbsd: New.
+ * config/openbsd.h: Include cpu_spec in cpp_spec where needed.
+ Support -shared. Support debugging libraries with -g.
+ * config/i386/openbsd.h: Correct ASM_COMMENT_START. Ensure dwarf2
+ frame information does not emit pointer diffs.
+ * config/sparc/openbsd.h: Ensure dwarf2 frame information does not
+ emit pointer diffs.
+
+2001-07-13 Geoffrey Keating <geoffk@redhat.com>
+
+ Revert Jan Hubicka's patch of Fri Jul 13 14:46:21 CEST 2001.
+
+2001-07-13 David Edelsohn <edelsohn@gnu.org>
+
+ * combine.c (try_combine): Ensure const_int pow2 is positive.
+
+2001-07-13 Hartmut Penner <hpenner@de.ibm.com>
+
+ * config.gcc: Add configuration for s/390.
+ * config/s390/s390.c: New. Subroutines for code generation.
+ * config/s390/s390.h: New. Definitions for s/390.
+ * config/s390/s390-protos.h: New. Prototypes.
+ * config/s390/linux.h: New. Definitions for linux for s/390.
+ * config/s390/linux64.h: New. Definitions for linux for zSeries.
+ * config/s390/t-linux: New. Makefile fragment.
+ * config/s390/s390.md: New. Machine description for s/390 and zSeries.
+ * config/s390/fixdfdi.h: New. Fix L_fix*di.
+
+Fri Jul 13 14:46:21 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * emit-rtl.c (try_split): Update mark_jump_label call.
+ * flow.c (find_sub_basic_blocks): Likewise.
+ * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
+ jump_back_p): Kill.
+ (mark_all_labels): Kill second parameter.
+ (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
+ (rebuild_jump_labels, jump_optimize_minimal): Update call
+ of jump_optimize_1.
+ (jump_optimize_1): Kill crossjumping code.
+ (mark_jump_label): Kill cross_jump parameter.
+ * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
+ (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
+ * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
+ splitting.
+ * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
+ DFI_bpro.
+ (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
+ reorganize passes to do reg-stack first, bb-reorder second.
+ * invoke.texi (-d letters doc): Remove the jump2 pass.
+
+2001-07-12 Steve Ellcey <sje@cup.hp.com>
+
+ * toplev.c (compile_file): Put call of ASM_FILE_START inside ifdef.
+
+Thu Jul 12 17:57:16 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * flow.c (try_optimize_cfg): Delete whole chain of trivially dead
+ basic blocks.
+ (verify_flow_info): Make diagnostics prettier.
+
+Thu Jul 12 16:48:54 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * flow.c (find_basic_blocks_1): Do not emit NOP after call.
+
+ * flow.c (outgoing_edges_match): Return early if condition reversal
+ failed.
+
+2001-07-06 Richard Sandiford <rsandifo@redhat.com>
+
+ * config/mips/mips.c (print_operand): Extend '%D' to memory operands.
+ (mips_move_2words): When splitting a move into two instructions,
+ prefix the second address operand with '%D'.
+
+2001-07-12 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * Makefile.in (final.o): Depend on debug.h.
+ * dbxout.c (dbxout_begin_block, dbxout_end_block): New.
+ (dbx_debug_hooks): Add new hooks.
+ (xcoff_debug_hooks): New.
+ * debug.c (debug_nothing_file_int_int): New.
+ (do_nothing_debug_hooks): Update.
+ * debug.h (gcc_debug_hooks): New hooks begin_block and end_block.
+ (debug_nothing_file_int_int): New.
+ * dwarf2out.c (dwarf2out_begin_block, dwarf2out_end_block): Make
+ static, update prototype.
+ (dwarf2_debug_hooks): Update.
+ * dwarf2out.h (dwarf2out_begin_block, dwarf2out_end_block): Remove.
+ * dwarfout.c (dwarfout_begin_block, dwarfout_end_block): Make
+ static, update prototype.
+ (dwarf_debug_hooks): Update.
+ * dwarfout.h (dwarfout_begin_block, dwarfout_end_block): Remove.
+ * final.c: Include debug.h.
+ (final_scan_insn): Use debug hooks when beginning and ending blocks.
+ * sdbout.c (sdbout_begin_block, sdbout_end_block): Make
+ static, update prototype.
+ (sdb_debug_hooks): Update.
+ * sdbout.h (sdbout_begin_block, sdbout_end_block): Remove.
+ * toplev.c: Distinguish between xcoff and dbx.
+
+ * f/lex.c (ffelex_file_pop_, ffelex_file_push_, ffelex_hash_):
+ Call all debug hooks, not just dwarf ones.
+
+2001-07-11 Timothy Wall <twall@redhat.com>
+
+ * config.gcc: Add configuration for AIX5/IA64.
+ * config/ia64/aix.h: New. AIX5/IA64-specific configuration.
+ * config/ia64/crt[in].asm: New. Generic static ctor/dtor
+ support prefix/suffix code.
+ * config/ia64/t-aix: New. Makefile fragment.
+ * config/ia64/unwind-aix.c: New. Unwind table entry lookup.
+
+2001-07-11 Kazu Hirata <kazu@hxi.com>
+
+ * recog.c (validate_change): Fix a comment typo.
+
+2001-07-11 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * Makefile.in (c-lex.o): Wrap long lines. Depend on debug.h.
+ * c-lex.c (cb_file_change, cb_define, cb_undef): Use debug
+ hooks directly.
+ * dbxout.c (dbx_debug_hooks): Add new hooks.
+ (dbxout_start_new_source_file): Rename dbxout_start_source_file,
+ make static.
+ (dbxout_resume_previous_source_file): Rename dbxout_end_source_file,
+ make static.
+ * dbxout.h (dbxout_start_new_source_file,
+ dbxout_resume_previous_source_file): Delete.
+ * debug.c (do_nothing_debug_hooks): Add new hooks.
+ (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
+ (debug_nothing_int_charstar, debug_nothing_int): New.
+ * debug.h (gcc_debug_hooks): New hooks define, undef,
+ start_source_file and end_source_file.
+ (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
+ (debug_nothing_int_charstar, debug_nothing_int): New.
+ * dwarf2out.c (dwarf2_debug_hooks): Add new hooks. Move into
+ the conditionally compiled section.
+ (dwarf2out_start_source_file, dwarf2out_end_source_file,
+ dwarf2out_define, dwarf2out_undef): Make static.
+ * dwarf2out.h (dwarf2out_start_source_file, dwarf2out_end_source_file,
+ dwarf2out_define, dwarf2out_undef): Remove.
+ * dwarfout.c (dwarf_debug_hooks): Add new hooks.
+ (dwarfout_start_source_file, dwarfout_end_source_file,
+ dwarfout_define, dwarfout_undef): Make static.
+ (dwarfout_start_source_file_check,
+ dwarfout_end_source_file_check): New.
+ (dwarfout_define, dwarfout_finish): Update.
+ * dwarfout.h (dwarfout_start_new_source_file,
+ dwarfout_resume_previous_source_file, dwarfout_define,
+ dwarfout_undef): Remove.
+ * sdbout.c (sdb_debug_hooks): Add new hooks.
+ (sdbout_start_new_source_file): Rename sdbout_start_source_file,
+ make static.
+ (sdbout_resume_previous_source_file): Rename sdbout_end_source_file,
+ make static, take an arg.
+ * sdbout.h (sdbout_start_new_source_file,
+ sdbout_resume_previous_source_file): Delete.
+ * toplev.c (debug_start_source_file, debug_end_source_file,
+ debug_define, debug_undef): Delete.
+ * toplev.h (debug_start_source_file, debug_end_source_file,
+ debug_define, debug_undef): Delete.
+
+ * java/jcf-parse.c: Include debug.h.
+ (parse_class_file): Update to use debug hooks directly.
+ * java/Make-lang.in (jcf-parse.o): Depend on debug.h.
+
+Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * alias.c (set_mem_alias_set): New function.
+ * rtl.h (set_mem_alias_set): Declare it.
+ * builtins.c (expand_builtin_return_addr): Call it instead of
+ using MEM_ALIAS_SET accessor.
+ (expand_builtin_setjmp_setup, expand_builtin_longjmp): Likewise.
+ (get_memory_rtx, expand_builtin_va_arg): Likewise.
+ (expand_builtin_va_copy):Likewise.
+ * caller-save.c (setup_save_areas): Likewise.
+ * calls.c (compute_argument_addresses): Likewise.
+ * explow.c (set_mem_attributes): Likewise.
+ * expr.c (emit_single_push_insn, emit_push_insn): Likewise.
+ (expand_assignment, store_constructor_field, store_field): Likewise.
+ (expand_expr_unaligned): Likewise.
+ * function.c (assign_stack_temp_for_type): Likewise.
+ (put_reg_into_stack, gen_mem_addressof): Likewise.
+ * ifcvt.c (noce_try_cmove_arith): Likewise.
+ * reload1.c (reload, alter_reg): Likewise.
+ * config/alpha/alpha.c (get_aligned_mem): Likewise.
+ (alpha_set_memflags_1, alpha_expand_unaligned_load): Likewise.
+ (alpha_expand_unaligned_store): Likewise
+ (alpha_expand_unaligned_load_words): Likewise.
+ (alpha_expand_unaligned_store_words): Likewise.
+ (alpha_expand_block_clear, alpha_expand_prologue): Likewise.
+ (alpha_expand_epilogue): Likewise.
+ * config/arc/arc.c (arc_setup_incoming_varargs): Likewise.
+ * config/clipper/clipper.c (clipper_builtin_saveregs): Likewise.
+ * config/i386/i386.c (legitimize_pic_address): Likewise.
+ * config/i960/i960.c (setup_incoming_varargs): Likewise.
+ * config/ia64/ia64.c (spill_restore_mem): Likewise.
+ * config/m32r/m32r.c (m32r_setup_incoming_varargs): Likewise.
+ * config/m8k/m88k.c (m88k_builtin_saveregs): Likewise.
+ * config/mips/mips.c (mips_va_arg): Likewise.
+ * config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise.
+ * config/pa/pa.c (hppa_builtin_saveregs): Likewise.
+ * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
+ (setup_incoming_varargs, rs6000_va_arg): Likewise.
+ (rs6000_emit_eh_toc_restore, rs6000_emit_prologue): Likewise.
+ (rs6000_emit_epilogue): Likewise.
+ * config/sh/sh.c (sh_builtin_saveregs): Likewise.
+ * config/sparc/sparc.c (sparc_va_arg): Likewise.
+ * config/v850/v850.c (v850_va_arg): Likewise.
+
+Wed Jul 11 21:27:25 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * flow.c (merge_blocks_move_successor_nojumps): Do not crash
+ when fallthru edge is present.
+ (mege_blocks): Handle case where creation of jump insn
+ is required.
+
+ * basic-block.h (CLEANUP_EXPENSIVE, CLEANUP_CROSSJUMP,
+ CLEANUP_POST_REGSTACK): New constants.
+ * except.c (finish_eh_generation): Update call of cleanup_cfg,
+ * jump.c (rtx_renumbered_equal_p): Handle 't' fields.
+ * output.h (cleanup_cfg): Update prototype.
+ * reg-stack.c (reg_to_stack): Use cleanup_cfg instead of jump_optimize
+ * sibcall.c (optimize_sibling_and_tail_recursive_call): Update
+ cleanup_cfg call; kill missleading comment.
+ * toplev.c (rest_of_compilation): Update all cleanup_cfg calls.
+ * flow.c (merge_blocks, try_optimize_cfg, cleanup_cfg): Accept mode
+ parameter; control optimizations performed using it.
+ (flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
+ try_crossjump_bb): New functions.
+
+2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
+
+ * pa.c (pa_output_function_prologue): Delete prototype. Make function
+ extern.
+ * pa.h (ASM_OUTPUT_MI_THUNK): Rename output_function_prologue to
+ pa_output_function_prologue.
+ * pa-protos.h (pa_output_function_prologue): New prototype.
+
+2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
+
+ * stmt.c (emit_case_nodes): Widen high and low instead of new_bound
+ and low to get correct sign extension in low+high test.
+
+2001-07-11 Janis Johnson <janis@us.ibm.com>
+
+ * gcov.c (arcdata): Use gcov_type to fix branch percentage
+ for large hit count.
+
+ * profile.c (branch_prob): Fix .bbg info for computed gotos
+ and C++ EH code.
+
+2001-07-11 Mark Mitchell <mark@codesourcery.com>
+
+ * stmt.c (parse_output_constraint): New function, split out
+ from ...
+ (expand_asm_operands): ... here. Use parse_output_constraint.
+ * tree.h (parse_output_constraint): Declare it.
+
+2001-07-11 Richard Henderson <rth@redhat.com>
+
+ * bitmap.c: Comment some functions; fiddle whitespace.
+ (bitmap_free): Don't export.
+ (bitmap_element_allocate): Use memset.
+ * bitmap.h (bitmap_free): Don't declare.
+
+2001-07-11 Daniel Berlin <dan@cgsoftware.com>
+
+ * gcse.c, lcm.c, sched-deps.c:
+ s/free on sbitmap vectors/sbitmap_vector_free on sbitmap vectors/g
+
+ * flow.c (flow_loops_find): Free dom if we found no loops, since
+ we aren't going to save it.
+
+ * lcm.c (pre_edge_rev_lcm): Free st_antin, st_antout when we are
+ done.
+
+Wed Jul 11 09:00:48 2001 Jeffrey A Law (law@cygnus.com)
+
+ * ssa-ccp.c (ssa_fast_dce): Free worklist when completed.
+
+Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * dwarf2out.c (dwarf2out_init, dwarf2out_finish): Add dummy version
+ #ifndef DWARF2_DEBUGGING_INFO.
+
+2001-07-11 Richard Sandiford <rsandifo@redhat.com>
+
+ * simplify-rtx.c (simplify_gen_subreg): Return null for QUEUED rtxes.
+
+2001-07-11 Richard Sandiford <rsandifo@redhat.com>
+
+ * config/mips/mips.c (gen_int_relational): Tell the caller not to
+ reverse a branch if a NE comparison is implemented with GTU.
+
+2001-07-11 Richard Sandiford <rsandifo@redhat.com>
+ H.J. Lu <hjl@gnu.org>
+
+ * mips.md (call_internal1): Use CONSTANT_ADDRESS_P to check for
+ constant addresses.
+ (call_internal2): Likewise.
+ (call_value_internal1): Likewise.
+ (call_value_internal2): Likewise.
+ (call_value_multiple_internal1): Likewise.
+ (call_value_multiple_internal2): Likewise.
+
+2001-07-10 Kazu Hirata <kazu@hxi.com>
+
+ * calls.c (emit_library_call_value_1): Fix a comment typo.
+ * dwarf2out.c (mem_loc_descriptor): Likewise.
+ * config/i386/i386.c (ix86_expand_aligntest): Likewise.
+
+2001-07-11 David Billinghurst <David.Billinghurst@riotinto.com>
+
+ * simplify-rtx.c (simplify_subreg): Fix typo in comment
+
+Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * recog.c (offsettable_address_p): Handle LO_SUM case.
+ * config/mips/mips.c (double_memory_operand): Use adjust_address_nv
+ instead of plus_constant.
+
+2001-07-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
+
+ * reload1.c (merge_assigned_reloads): After a RELOAD_OTHER merge,
+ fix setting of the reloads of that reload to RELOAD_FOR_OTHER_ADDRESS.
+
+Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * config/rs6000/rs6000.c (print_operand, case 'L', 'Y', 'Z'): Use
+ adjust_address_nv instead of plus_constant.
+
+2001-07-10 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * Makefile.in (toplev.o, sdbout.o, dbxout.o, dwarfout.o,
+ dwarf2out.o): Depend on debug.h, wrap long lines.
+ * dbxout.c: Include debug.h.
+ (dbx_debug_hooks): New.
+ (dbxout_init): Make static, take just 2 args.
+ (dbxout_finish): Make static.
+ * dbxout.h (dbxout_init, dbxout_finish): Delete.
+ * debug.c: New file.
+ * debug.h: New file.
+ * dwarf2out.c: Include debug.h.
+ (dwarf2_debug_hooks): New.
+ (dwarf2out_init): Make static.
+ (dwarf2out_finish): Make static, take 2 args.
+ * dwarf2out.h (dwarf2out_init, dwarf2out_finish): Delete.
+ * dwarfout.c: Include debug.h.
+ (dwarf_debug_hooks): New.
+ (dwarfout_init): Make static.
+ (dwarfout_finish): Make static, take 2 args.
+ * dwarfout.h (dwarfout_init, dwarfout_finish): Delete.
+ * sdbout.c: Include debug.h.
+ (sdb_debug_hooks): New.
+ (sdbout_init): Make static, take 2 args.
+ * sdbout.h (sdbout_init): Delete.
+ * toplev.c: Include debug.h.
+ (debug_hooks): New.
+ (compile_file): Set deubg_hooks based on command line options.
+ Use the hooks unconditionally rather than conditional compilation.
+
+Tue Jul 10 09:04:45 2001 Jeffrey A Law (law@cygnus.com)
+
+ * ssa-ccp.c (first_phi_node): Remove. Replace uses with calls to
+ first_insn_after_basic_block_note instead.
+
+ * df.c (df_bb_refs_unlink): #if 0 out for now.
+
+2001-07-10 David Billinghurst <David.Billinghurst@riotinto.com
+
+ * ssa.h: Add prototype for ssa_const_prop
+ * ssa-ccp.c: Add prototype for ssa_fast_dce and mark_references
+ (ssa_ccp_substitute_constants): Fix signed vs unsigned comparison
+ (ssa_fast_dce): Remove unused variable
+
+2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
+
+ * diagnostic.c (finish_diagnostic): Rename to
+ diagnostic_finish. Make it take an 'output_buffer *'. Adjust
+ calls thourghout.
+
+2001-07-10 Jason Merrill <jason_merrill@redhat.com>
+
+ * dwarf2out.c (dwarf2out_line): Emit -dA comment even when we have
+ .loc support.
+
+ * collect2.c (main): Set COLLECT_NO_DEMANGLE for subprocesses.
+ (dump_file): Only pad the demangled name with spaces if the
+ mangled name was padded with spaces.
+
+2001-07-10 Bernd Schmidt <bernds@redhat.com>
+
+ * bb-reorder.c (make_reorder_chain_1): Correct branch/fallthru
+ edge detection.
+
+Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * expr.c (expand_expr, case COMPONENT_REF): Don't force using bitfield
+ extraction if no direct load if either EXPAND_CONST_ADDRESS or
+ EXPAND_INITIALIZER.
+
+ * emit-rtl.c (adjust_address, adjust_address_nv): Change criteria for
+ whether can put offset inside LO_SUM to check mode alignment, not size.
+
+2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
+
+ * doc/tm.texi (Misc): Fix thinko.
+
+2001-07-10 Jan van Male <jan.vanmale@fenk.wau.nl>
+
+ * regmove.c (replace_in_call_usage): Fix warnings.
+ * sched-deps.c (add_dependence): Fix warnings.
+ * simplify-rtx.c (simplify_subreg): Likewise.
+ Return NULL_RTX instead of NULL.
+
+ * reg-stack.c (emit_swap_insn): Eliminate warnings.
+ (subst_asm_stack_regs): Likewise.
+
+ * combine.c (num_sign_bit_copies): Cast bitwidth to int to avoid
+ warnings.
+
+ * dwarf2out.c (output_call_frame_info): Declare i as int.
+ (build_abbrev_table): Declare n_alloc as int.
+ (dwarf2out_finish): Initialize die.
+ * except.c: Declare sjlj_funcdef_number as unsigned.
+ (connect_post_landing_pads): Declare j as unsigned.
+ (convert_to_eh_region_ranges): Initialize call_site.
+ (output_function_exception_table): Initialize tt_format_size.
+ * expr.c (move_by_pieces_1): Initialize to1.
+ (store_constructor): Initialize minelt and maxelt.
+ * flow.c (mark_regs_live_at_end): Declare i as unsigned.
+ * function.c (instantiate_decls): Avoid signed/unsigned warning.
+
+ * c-decl.c (combine_parm_decls): Unused, remove.
+ * c-tree.h: Remove prototype for combine_parm_decls.
+
+ * reload.c (push_reload): Fix warning.
+ (regno_clobbered_p): Likewise.
+ * reload1.c (replace_pseudos_in_call_usage): Likewise.
+ (reload_combine): Likewise.
+
+ * bitmap.c: Rename bitmap_zero to bitmap_zero_bits to fix warnings.
+ * bitmap.h: Rename bitmap_zero to bitmap_zero_bits to fix
+ warnings.
+ * bitmap.c (bitmap_operation): Change user.
+ * bitmap.h (EXECUTE_IF_AND_COMPL_IN_BITMAP): Likewise.
+
+2001-07-10 Eric Christopher <echristo@redhat.com>
+
+ * config/mips/mips.c (override_options): Fix typo.
+
+2001-07-09 Stan Shebs <shebs@apple.com>
+
+ * target.h (struct gcc_target): New fields init_builtins and
+ expand_builtin.
+ * target-def.h (TARGET_INIT_BUILTINS): New macro.
+ (TARGET_EXPAND_BUILTIN): New macro.
+ (TARGET_INITIALIZER): Add them.
+ * builtins.c: Include target.h.
+ (expand_builtin): Use targetm.expand_builtin.
+ (default_init_builtins): New function.
+ (default_expand_builtin): New function.
+ * expr.h (default_init_builtins): Declare.
+ (default_expand_builtin): Declare.
+ * c-common.c (c_common_nodes_and_builtins): Use
+ targetm.init_builtins.
+ * defaults.h (MD_INIT_BUILTINS): Remove.
+ * Makefile.in (builtins.o): Depend on target.h.
+
+ * config/arm/arm.c (TARGET_INIT_BUILTINS): Define.
+ (TARGET_EXPAND_BUILTIN): Define.
+ * config/arm/arm.h (MD_INIT_BUILTINS): Remove.
+ (MD_EXPAND_BUILTIN): Remove.
+
+ * config/c4x/c4x.c (TARGET_INIT_BUILTINS): Define.
+ (TARGET_EXPAND_BUILTIN): Define.
+ (c4x_init_builtins): Make endlink arg a local.
+ (c4x_print_operand): Fix typos in adjust_address usages.
+ * config/c4x/c4x-protos.h (c4x_init_builtins): Update decl.
+ * config/c4x/c4x.h (MD_INIT_BUILTINS): Remove.
+ (MD_EXPAND_BUILTIN): Remove.
+
+ * config/i386/i386.c (TARGET_INIT_BUILTINS): Define.
+ (TARGET_EXPAND_BUILTIN): Define.
+ (ix86_init_mmx_sse_builtins): New function, was ix86_init_builtins.
+ (ix86_init_builtins): Call new function only if TARGET_MMX.
+ * config/i386/i386-protos.h (ix86_init_mmx_sse_builtins): Declare.
+ * config/i386/i386.h (MD_INIT_BUILTINS): Remove.
+ (MD_EXPAND_BUILTIN): Remove.
+
+ * config/ia64/ia64.c (TARGET_INIT_BUILTINS): Define.
+ (TARGET_EXPAND_BUILTIN): Define.
+ * config/ia64/ia64.h (MD_INIT_BUILTINS): Remove.
+ (MD_EXPAND_BUILTIN): Remove.
+
+ * doc/tm.texi: Document these changes.
+
+2001-07-09 Diego Novillo <dnovillo@redhat.com>
+
+ * basic-block.h (tree_node): Forward declare if needed.
+ (struct basic_block_def): Add fields 'head_tree' and 'end_tree'.
+ (BLOCK_HEAD_TREE): Define.
+ (BLOCK_END_TREE): Define.
+ (struct loops): Rename field 'tree' to 'tree_root'.
+ * flow.c (entry_exit_blocks): Add initializers for 'head_tree' and
+ 'end_tree'.
+ (flow_loops_tree_build): Rename reference to field 'tree' to
+ 'tree_root'.
+ (flow_loops_level_compute): Ditto.
+ * predict.c (estimate_bb_frequencies): Ditto.
+ * tree.h (struct tree_common): Add field 'aux'.
+
+2001-07-09 Stan Shebs <shebs@apple.com>
+
+ * config/darwin.c (darwin_encode_section_info): Don't mark any
+ DECL_EXTERNAL node as defined.
+
+2001-07-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
+
+ * pa.c (pa_init_machine_status, pa_mark_machine_status,
+ pa_free_machine_status, hppa_init_pic_save): Delete.
+ (hppa_pic_save_rtx): New. Use get_hard_reg_initial_val.
+ (hppa_profile_hook): Use hppa_pic_save_rtx.
+ * pa.h (struct machine_function, PIC_OFFSET_TABLE_SAVE_RTX,
+ hppa_init_pic_save): Delete.
+ (hppa_pic_save_rtx): Declare.
+ * pa.md (call, call_value, sibcall, sibcall_value,
+ builtin_setjmp_receiver): Use hppa_pic_save_rtx.
+
+2001-07-09 Kazu Hirata <kazu@hxi.com>
+
+ * config/h8300/t-h8300 (LIB1ASMFUNCS): Add _floatdisf and _fixsfdi.
+ * config/mn10200/t-mn10200 (LIB1ASMFUNCS): Likewise.
+
+2001-07-09 Andreas Jaeger <aj@suse.de>
+
+ * output.h: Add declaration of final_forward_branch_p.
+
+ * config/i386/i386.c (output_fix_trunc): Remove unused variable.
+
+ * varray.c: Include errors.h for internal_error and trim_filename
+ declarations.
+
+ * Makefile.in (varray.o): Add errors.h.
+
+2001-07-09 Toon Moene <toon@moene.indiv.nluug.nl>
+
+ * expr.h: Adjust prototypes for have_add2_insn, have_sub2_insn.
+ * optabs.c (have_add2_insn): Check whether the add insn chosen
+ really accepts the operands. (have_sub2_insn): Ditto for sub insn.
+ * reload1.c (reload_cse_move2add): Adjust calls of have_add2_insn.
+
+Mon Jul 9 13:26:40 2001 Jeffrey A Law (law@cygnus.com)
+
+ * Makefile.in (OBJS): Add ssa-ccp.o
+ (ssa-ccp.o): Add dependencies.
+ * toplev.c (DFI_ssa_ccp): New dump file enum.
+ (dump_file): Add entry for dumping after SSA CCP.
+ (flag_ssa_ccp): New flag variable.
+ (f_options): Add -fssa-ccp.
+ (rest_of_compilation): Run SSA CCP if requested.
+ * timevar.def (TV_SSA_CCP): New timevar.
+ * ssa.c (mark_phi_and_copy_regs): Handle deleted PHI nodes.
+ * doc/gcc.texi (Passes): Add documentation for SSA CCP pass.
+ Fix minor typo in SSA DCE documentation.
+ * doc/invoke.texi: Add documentation for new flag -fssa-ccp.
+ Add documentation for new dump option. Renumber dump files
+ appropriately.
+
+Mon Jul 9 21:36:00 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * emit-rtl.c (gen_highpart_mode): New.
+ * rtl.h (gen_highpart_mode): Declare.
+ * sparc.md (insn splitters): Use gen_highpart_mode, whenever the
+ operand can be VOIDmode constant.
+
+Mon Jul 9 17:23:10 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * flow.c (redirect_edge_and_branch_force): New.
+ (can_fallthru): Ensure that basic blocks are succeeding.
+ (try_optimize_cfg): Do not delete basic block if it is the last one.
+
+ * flow.c (try_redirect_by_replacing_jump): Do not remove
+ jumps with side effects, unlink chain on fallthru edge;
+ set block for new jump instruction; avoid basic block to
+ over by line number note.
+
+ * flow.c (try_simplify_condjump): Verify that the condjump
+ is not always falling through.
+
+ Re-install patch:
+ * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
+
+ * flow.c (forwarder_block_p): Fix for fallthru blocks.
+ (try_redirect_by_replacing_jump): Update properly the count
+ and frequency information.
+
+Mon Jul 9 06:41:07 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * emit-rtl.c (adjust_address, adjust_address_nv): Handle an
+ address that is a LO_SUM specially.
+ * explow.c (plus_constant_wide, case LO_SUM): Deleted.
+
+ * c-lang.c (start_cdtor): Remove extra parameter from start_function.
+
+ * emit-rtl.c (adjust_address_nv, replace_equiv_address_nv): New fcns.
+ (operand_subword): Use them.
+ (change_address_1): Renamed from change_address; new arg VALIDATE.
+ * expr.h: Reflect above changes; change_address now macro.
+ * alias.c (canon_rtx): Use replace_equiv_address_nv instead of
+ making MEM.
+ * cselib.c (add_mem_for_addr): Likewise.
+ * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
+ * regmove.c (try_apply_stack_adjustment): Likewise.
+ * reload.c (push_reload, make_memloc): Likewise.
+ * reload1.c (eliminate_regs): Likewise.
+ * simplify-rtx.c (simplify_replace_rtx): Likewise.
+ * caller-save.c (setup_save_areas): Use adjust_address_nv instead of
+ adjust_addess.
+ * combine.c (make_extraction, simplify_shift_const): Likewise.
+ (gen_lowpart_for_combine): Likewise.
+ * cse.c (gen_lowpart_if_possible): Likewise.
+ * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
+ * expr.c (expand_expr, case COMPONENT_REF): Likewise.
+ * optabs.c (gen_move_insn): Likewise.
+ * reload1.c (alter_reg): Likewise.
+ * simplify-rtx.c (simplify_subreg): Likewise.
+ * stmt.c (expand_anon_union_decl): Likewise.
+ * recog.c (validate_replace_rtx_1): Likewise.
+ (expr.h): Include.
+ * Makefile.in (recog.o): Add $(EXPR_H).
+ * explow.c (stabilize): Call replace_equiv_address.
+ * expr.c (move_by_pieces_1, store_by_pieces_2): Likewise.
+ * final.c (alter_subreg): OFFSET is HOST_WIDE_INT.
+
+2001-07-03 Andrew Haley <aph@redhat.com>
+
+ * expmed.c (store_fixed_bit_field): Don't use a mode bigger than
+ the mode of the memory location.
+
+2001-07-09 Bo Thorsen <bo@suse.co.uk>
+
+ * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix x86-64 vtable support.
+
+2001-07-09 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * final.c (output_addr_const): Use target opening and
+ closing parentheses.
+ * target-def.h: Define TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN
+ defaults, add to TARGET_ASM_OUT.
+ * target.h (struct gcc_target): Add open_paren and close_paren.
+ * doc/md.texi: Update.
+ * doc/tm.texi: Document TARGET_ASM_FUNCTION_END_PROLOGUE,
+ TARGET_ASM_FUNCTION_BEGIN_EPILOGUE, TARGET_ASM_OPEN_PAREN and
+ TARGET_ASM_CLOSE_PAREN.
+ * config/i386/i386.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
+ Override.
+ * config/pdp11/pdp11.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
+ Override.
+ * config/1750a/1750a.h (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): Remove.
+ * config/a29k/a29k.h: Similarly.
+ * config/alpha/alpha.h: Similarly.
+ * config/arc/arc.h: Similarly.
+ * config/arm/aof.h: Similarly.
+ * config/arm/aout.h: Similarly.
+ * config/avr/avr.h: Similarly.
+ * config/c4x/c4x.h: Similarly.
+ * config/clipper/clipper.h: Similarly.
+ * config/convex/convex.h: Similarly.
+ * config/d30v/d30v.h: Similarly.
+ * config/dsp16xx/dsp16xx.h: Similarly.
+ * config/elxsi/elxsi.h: Similarly.
+ * config/fr30/fr30.h: Similarly.
+ * config/h8300/h8300.h: Similarly.
+ * config/i370/i370.h: Similarly.
+ * config/i386/i386.h: Similarly.
+ * config/i860/i860.h: Similarly.
+ * config/i960/i960.h: Similarly.
+ * config/ia64/ia64.h: Similarly.
+ * config/m32r/m32r.h: Similarly.
+ * config/m68hc11/m68hc11.h: Similarly.
+ * config/m68k/m68k.h: Similarly.
+ * config/m88k/m88k.h: Similarly.
+ * config/mcore/mcore.h: Similarly.
+ * config/mips/mips.h: Similarly.
+ * config/mn10200/mn10200.h: Similarly.
+ * config/mn10300/mn10300.h: Similarly.
+ * config/ns32k/ns32k.h: Similarly.
+ * config/pa/pa.h: Similarly.
+ * config/pdp11/pdp11.h: Similarly.
+ * config/pj/pj.h: Similarly.
+ * config/romp/romp.h: Similarly.
+ * config/rs6000/rs6000.h: Similarly.
+ * config/sh/sh.h: Similarly.
+ * config/sparc/sparc.h: Similarly.
+ * config/v850/v850.h: Similarly.
+ * config/vax/vax.h: Similarly.
+ * config/we32k/we32k.h: Similarly.
+
+2001-07-09 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * doc/c-tree.texi: Document representation of attributes.
+
+2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * doc/tm.texi: Update some places for the rename of target to
+ targetm. Fix typo.
+
+2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * target.h (struct gcc_target): Add insert_attributes.
+ * target-def.h (TARGET_INSERT_ATTRIBUTES): Define.
+ (TARGET_INITIALIZER): Update.
+ * tree.c, tree.h (default_insert_attributes): New function.
+ Update comments on other default functions to refer to targetm,
+ not target.
+ * doc/tm.texi (INSERT_ATTRIBUTES): Update to document
+ TARGET_INSERT_ATTRIBUTES.
+ (SET_DEFAULT_DECL_ATTRIBUTES): Remove.
+ * c-common.c (decl_attributes): Use targetm.insert_attributes.
+ Don't use PRAGMA_INSERT_ATTRIBUTES.
+ * Makefile.in (c-common.o): Depend on $(TARGET_H).
+ * c-decl.c (start_decl, start_function): Don't call
+ SET_DEFAULT_DECL_ATTRIBUTES.
+ * config/c4x/c4x.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
+ * config/c4x/c4x-protos.h (c4x_set_default_attributes): Don't
+ declare.
+ * config/c4x/c4x.c (TARGET_INSERT_ATTRIBUTES): Define.
+ (c4x_check_attribute): Avoid modifying attribute list itself.
+ (c4x_set_default_attributes): Rename to c4x_insert_attributes.
+ Make static.
+ * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Don't define.
+ * config/sh/sh-protos.h (sh_pragma_insert_attributes): Don't
+ declare.
+ * config/sh/sh.c (TARGET_INSERT_ATTRIBUTES): Define.
+ (sh_pragma_insert_attributes): Rename to sh_insert_attributes.
+ Make static.
+ * config/v850/v850.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
+ * config/v850/v850-protos.h (v850_set_default_decl_attr): Don't
+ declare.
+ * config/v850/v850.c (TARGET_INSERT_ATTRIBUTES): Define.
+ (v850_set_default_decl_attr): Rename to v850_insert_attributes.
+ Adjust parameters. Make static.
+
+2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-common.c (decl_attributes): Only take a single attributes
+ parameter.
+ * c-common.h (decl_attributes): Update prototype.
+ * c-decl.c (start_decl, start_function): Only take a single
+ attributes parameter. Update calls to decl_attributes.
+ (finish_struct, finish_enum): Update calls to decl_attributes.
+ (push_parm_decl): Expect unified list of attributes. Update call
+ to decl_attributes.
+ * c-parse.in (fndef, initdcl, notype_initdcl, nested_function,
+ notype_nested_function, component_declarator,
+ component_notype_declarator, label): Update calls to
+ decl_attributes.
+ (absdcl_maybe_attribute, parm, firstparm, myparm): Unify attribute
+ lists that are passed to push_parm_decl.
+ * c-tree.h (start_function, start_decl): Update prototypes.
+ * config/sh/sh-protos.h, config/sh/sh.c
+ (sh_pragma_insert_attributes): Only take a single attributes
+ parameter.
+ * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Likewise.
+ * doc/tm.texi (INSERT_ATTRIBUTES): Update.
+ * objc/objc-act.c (define_decl, generate_objc_symtab_decl,
+ build_module_descriptor, generate_static_references,
+ generate_strings, build_selector_translation_table,
+ generate_descriptor_table, generate_protocols,
+ generate_ivars_list, generate_dispatch_table,
+ generate_protocol_list, generate_category,
+ generate_shared_structures, really_start_method, add_objc_decls,
+ generate_classref_translation_entry): Update calls to start_decl
+ and start_function.
+ (build_tmp_function_decl, start_method_def): Unify attribute lists
+ that are passed to push_parm_decl.
+
+2001-07-08 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * final.c (no_asm_to_stream): New.
+ (final_scan_insn): Use target structures for prologue ends
+ and epilogue starts.
+ * output.h (no_asm_to_stream): New.
+ * target-def.h (TARGET_ASM_FUNCTION_END_PROLOGUE,
+ TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): New.
+ (TARGET_ASM_OUT): Update.
+ * target.h (struct gcc_target): New members function_end_prologue
+ and function_begin_epilogue.
+ * config/1750/1750.h (ASM_OUTPUT_FUNNAM): Delete as unused.
+ * config/alpha/alpha-protos.h (output_end_prologue): Delete.
+ * config/alpha/alpha.c (output_end_prologue): Rename to
+ alpha_output_function_end_prologue. Use in target struct
+ and make static.
+ * config/alpha/alpha.h (FUNCTION_END_PROLOGUE): Delete.
+ * config/ia64/ia64-protos.h (ia64_output_end_prologue): Delete.
+ * config/ia64/ia64.c (ia64_output_end_prologue): Rename to
+ ia64_output_function_end_prologue. Use in target struct
+ and make static.
+ (ia64_function_prologue, ia64_function_epilogue): Rename
+ mistyped prototypes.
+ * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Delete.
+ * config/m88k/m88k-protos.h (m88k_end_prologue, m88k_begin_epilogue):
+ Delete.
+ * config/m88k/m88k.c (m88k_end_prologue, m88k_begin_epilogue): Rename
+ an use in target struct, make static.
+ * config/ia64/ia64.h (FUNCTION_END_PROLOGUE, FUNCTION_BEGIN_EPILOGUE):
+ Delete.
+
+2001-07-08 Richard Henderson <rth@redhat.com>
+
+ * stmt.c (emit_case_nodes): Convert modes properly in low+high test.
+
+2001-07-08 Richard Henderson <rth@redhat.com>
+
+ * config/i386/i386.md: Remove constraints strings from define_split
+ and define_peephole2 patterns.
+ (eh_return_si, eh_return_di): Split eh_return_1 for modes.
+ (eh_return): Use them.
+
+2001-07-08 Richard Henderson <rth@redhat.com>
+
+ * doc/tm.texi (Exception Handling): New subnode of Stack and Calling.
+ Document MD_FALLBACK_FRAME_STATE_FOR.
+
+2001-07-07 Stephane Carrez <Stephane.Carrez@worldnet.fr>
+
+ * config/m68hc11/m68hc11.c (m68hc11_initial_elimination_offset):
+ Take into account m68hc11_sp_correction for FRAME_POINTER_REGNUM
+ elimination.
+ * config/m68hc11/m68hc11.h (STARTING_FRAME_OFFSET): Use 0.
+
+2001-07-07 Nick Clifton <nickc@cambridge.redhat.com>
+
+ * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Append # to end
+ of the label inside NAME as opposed to just the end of NAME.
+
+2001-07-07 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * config/alpha/alpha-protos.h (vms_valid_decl_attribute_p): Delete.
+ * config/alpha/alpha.c (alpha_init_machine_status,
+ alpha_mark_machine_status, alpha_free_machine_status): Delete.
+ (TARGET_VALID_DECL_ATTRIBUTE): Define for VMS.
+ (vms_valid_decl_attribute_p): Make static, conditionally compile.
+ * config/alpha/alpha.h (VALID_MACHINE_DECL_ATTRIBUTE): Delete.
+
+2001-07-06 Stan Shebs <shebs@apple.com>
+
+ * target.h (targetm): Rename global from "target", so as not to
+ conflict with local variables.
+ * c-decl.c: Ditto.
+ * c-typeck.c: Ditto.
+ * final.c: Ditto.
+ * tree.c: Ditto.
+ * cp/decl.c: Ditto.
+ * cp/decl2.c: Ditto.
+ * cp/typeck.c: Ditto.
+ * 1750a/1750a.c: Ditto.
+ * a29k/a29k.c: Ditto.
+ * arc/arc.c: Ditto.
+ * arm/arm.c: Ditto.
+ * avr/avr.c: Ditto.
+ * clipper/clipper.c: Ditto.
+ * convex/convex.c: Ditto.
+ * d30v/d30v.c: Ditto.
+ * dsp16xx/dsp16xx.c: Ditto.
+ * elxsi/elxsi.c: Ditto.
+ * fr30/fr30.c: Ditto.
+ * h8300/h8300.c: Ditto.
+ * i370/i370.c: Ditto.
+ * i386/i386.c: Ditto.
+ * i860/i860.c: Ditto.
+ * i960/i960.c: Ditto.
+ * ia64/ia64.c: Ditto.
+ * m32r/m32r.c: Ditto.
+ * m68hc11/m68hc11.c: Ditto.
+ * m68k/m68k.c: Ditto.
+ * m88k/m88k.c: Ditto.
+ * mips/mips.c: Ditto.
+ * ns32k/ns32k.c: Ditto.
+ * pa/pa.c: Ditto.
+ * pdp11/pdp11.c: Ditto.
+ * romp/romp.c: Ditto.
+ * rs6000/rs6000.c: Ditto.
+ * sh/sh.c: Ditto.
+ * sparc/sparc.c: Ditto.
+ * vax/vax.c: Ditto.
+ * we32k/we32k.c: Ditto.
+ * doc/tm.texi: Update the manual to match.
+
+2001-07-06 Richard Henderson <rth@redhat.com>
+
+ * except.h (MUST_USE_SJLJ_EXCEPTIONS): Examine the value of
+ DWARF2_UNWIND_INFO not just whether it is defined.
+
+2001-07-06 Diego Novillo <dnovillo@redhat.com>
+
+ * combine.c (combine_simplify_rtx): Also recompute 'mode' if the
+ call to simplify_binary_operation returns a new pattern.
+
+2001-07-06 Roman Lechtchinsky <rl@cs.tu-berlin.de>
+
+ * glimits.h (__SHRT_MAX__): New.
+ (SHRT_MIN, USHRT_MAX): Define in terms of SHRT_MAX.
+ (SHRT_MAX): Define in terms of __SHRT_MAX__.
+
+2001-07-06 Jan van Male <jan.vanmale@fenk.wau.nl>
+
+ * alias.c (base_alias_check): Cast GET_MODE_UNIT_SIZE to int to
+ avoid warnings.
+
+2001-07-06 Richard Henderson <rth@redhat.com>
+
+ * bitmap.c (bitmap_release_memory): Move adjacent to the
+ allocation functions.
+ (bitmap_first_set_bit, bitmap_last_set_bit): Streamline knowing
+ the implementation. Binary search for the set bit.
+ (bitmap_union_of_diff): Allocate the temporary on the stack
+ instead of using xmalloc.
+
+2001-07-06 Richard Henderson <rth@redhat.com>
+
+ * genrecog.c (validate_pattern): Warn for constraints in
+ define_{expand,split,peephole2}. Remove strict_low_part
+ before looking up match_dup.
+
+2001-07-06 DJ Delorie <dj@redhat.com>
+
+ * doc/gcc.texi (Makefile): Rename to be a more general purpose
+ chapter about various build hints and history. Add section
+ talking about the various types of native and cross builds.
+
+2001-07-06 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * Makefile.in (final.o): Depend on target.h.
+ * final.c: Include target.h.
+ (default_function_pro_epilogue): New.
+ (final_start_function): Use target structure for function prologues.
+ (final_end_function): Use target structure for function epilogues.
+ * fold-const.c (real_hex_to_f): Constify s and p.
+ * output.h (default_function_pro_epilogue): New.
+ * real.h (real_hex_to_f): Update prototype.
+ * target-def.h (TARGET_ASM_FUNCTION_PROLOGUE,
+ TARGET_ASM_FUNCTION_EPILOGUE, TARGET_ASM_OUT): New.
+ (TARGET_INITIALIZER): Update.
+ * target.h (gcc_target): Add struct asm_out.
+ * doc/tm.texi: Update.
+
+config:
+ Update each arch to use TARGET_ASM_FUNCTION_PROLOGUE and
+ TARGET_ASM_FUNCTION_EPILOGUE. Move macro code to functions
+ in cpu/cpu.c, or rename old functions consistently. Take
+ a HOST_WIDE INT not an int as the SIZE parameter. Remove now
+ redundant macros and prototypes. Make new functions static.
+
+ * 1750a/1750a.c: Similarly.
+ * 1750a/1750a.h: Similarly.
+ * a29k/a29k-protos.h: Similarly.
+ * a29k/a29k.c: Similarly.
+ * a29k/a29k.h: Similarly.
+ * arc/arc-protos.h: Similarly.
+ * arc/arc.c: Similarly.
+ * arc/arc.h: Similarly.
+ * arm/arm-protos.h: Similarly.
+ * arm/arm.c: Similarly.
+ * arm/arm.h: Similarly.
+ * avr/avr-protos.h: Similarly.
+ * avr/avr.c: Similarly.
+ * avr/avr.h: Similarly.
+ * clipper/clipper-protos.h: Similarly.
+ * clipper/clipper.c: Similarly.
+ * clipper/clipper.h: Similarly.
+ * convex/convex.c: Similarly.
+ * convex/convex.h: Similarly.
+ * d30v/d30v-protos.h: Similarly.
+ * d30v/d30v.c: Similarly.
+ * d30v/d30v.h: Similarly.
+ * d30v/d30v.md: Similarly.
+ * dsp16xx/dsp16xx-protos.h: Similarly.
+ * dsp16xx/dsp16xx.c: Similarly.
+ * dsp16xx/dsp16xx.h: Similarly.
+ * elxsi/elxsi.c: Similarly.
+ * elxsi/elxsi.h: Similarly.
+ * fr30/fr30.c: Similarly.
+ * fr30/fr30.md: Similarly.
+ * h8300/h8300-protos.h: Similarly.
+ * h8300/h8300.c: Similarly.
+ * h8300/h8300.h: Similarly.
+ * i370/i370-protos.h: Similarly.
+ * i370/i370.c: Similarly.
+ * i370/i370.h: Similarly.
+ * i386/i386.c: Similarly.
+ * i386/osf1elf.h: Similarly.
+ * i386/osfrose.h: Similarly.
+ * i860/i860-protos.h: Similarly.
+ * i860/i860.c: Similarly.
+ * i860/i860.h: Similarly.
+ * i960/i960-protos.h: Similarly.
+ * i960/i960.c: Similarly.
+ * i960/i960.h: Similarly.
+ * ia64/ia64-protos.h: Similarly.
+ * ia64/ia64.c: Similarly.
+ * ia64/ia64.h: Similarly.
+ * m32r/m32r-protos.h: Similarly.
+ * m32r/m32r.c: Similarly.
+ * m32r/m32r.h: Similarly.
+ * m68hc11/m68hc11-protos.h: Similarly.
+ * m68hc11/m68hc11.c: Similarly.
+ * m68hc11/m68hc11.h: Similarly.
+ * m68k/crds.h: Similarly.
+ * m68k/dpx2.h: Similarly.
+ * m68k/m68k-protos.h: Similarly.
+ * m68k/m68k.c: Similarly.
+ * m68k/m68k.h: Similarly.
+ * m68k/news.h: Similarly.
+ * m88k/m88k-protos.h: Similarly.
+ * m88k/m88k.c: Similarly.
+ * m88k/m88k.h: Similarly.
+ * mips/mips-protos.h: Similarly.
+ * mips/mips.c: Similarly.
+ * mips/mips.h: Similarly.
+ * ns32k/merlin.h: Similarly.
+ * ns32k/ns32k.c: Similarly.
+ * ns32k/ns32k.h: Similarly.
+ * ns32k/tek6000.h: Similarly.
+ * pa/pa-protos.h: Similarly.
+ * pa/pa.c: Similarly.
+ * pa/pa.h: Similarly.
+ * pdp11/2bsd.h: Similarly.
+ * pdp11/pdp11-protos.h: Similarly.
+ * pdp11/pdp11.c: Similarly.
+ * pdp11/pdp11.h: Similarly.
+ * romp/romp-protos.h: Similarly.
+ * romp/romp.c: Similarly.
+ * romp/romp.h: Similarly.
+ * rs6000/rs6000-protos.h: Similarly.
+ * rs6000/rs6000.c: Similarly.
+ * rs6000/rs6000.h: Similarly.
+ * rs6000/sysv4.h: Similarly.
+ * sh/sh-protos.h: Similarly.
+ * sh/sh.c: Similarly.
+ * sh/sh.h: Similarly.
+ * sparc/sparc-protos.h: Similarly.
+ * sparc/sparc.c: Similarly.
+ * sparc/sparc.h: Similarly.
+ * vax/vax.c: Similarly.
+ * vax/vax.h: Similarly.
+ * vax/vms.h: Similarly.
+ * we32k/we32k.c: Similarly.
+ * we32k/we32k.h: Similarly.
+
+Fri Jul 6 11:47:59 2001 Jeffrey A Law (law@cygnus.com)
+
+ * basic-block.h (first_insn_after_basic_block_note): Declare.
+ * flow.c (first_insn_after_basic_block_note): Define. Moved
+ from...
+ * ssa.c (first_insn_after_basic_block_note): Remove.
+ * ssa-dce.c (find_inherently_necessary): Consider BARRIERs
+ necessary.
+ (ssa_eliminate_dead_code): Properly update the CFG and PHI
+ nodes when we find a dead conditional branch. Insert BARRIERs
+ after any blocks with no successors, but which do not have
+ any BARRIERs.
+
+2001-07-06 Zack Weinberg <zackw@stanford.edu>
+
+ * varray.c (varray_check_failed): Use internal_error.
+
+2001-07-05 Andrew Haley <aph@redhat.com>
+
+ * Makefile.in (LIB2_DIVMOD_FUNCS): New.
+ (LIB2FUNCS): Move divmod functions to LIB2_DIVMOD_FUNCS.
+ * mklibgcc.in: Compile LIB2_DIVMOD_FUNCS.
+
+2001-07-02 Jason Merrill <jason_merrill@redhat.com>
+
+ * dwarf2out.c (mem_loc_descriptor): Only look through a constant pool
+ reference if the target constant is also a SYMBOL_REF.
+
+2001-07-05 Eric Christopher <echristo@redhat.com>
+
+ * config/mips/mips.h (MASK_MIPS3900): Remove.
+ (MASK_MIPS16,MASK_NO_CHECK_ZERO_DIV,MASK_CHECK_RANGE_DIV,
+ MASK_UNINIT_CONST_IN_RODATA): Change for 3900 mask removal.
+ (TARGET_MIPS3900): Change to use mips_arch.
+ (TARGET_MIPS4000): New.
+ (TARGET_MIPS4100): New.
+ (TARGET_MIPS4300): New.
+ (TARGET_SWITCHES): Change 3900 and 4650 options to NULL.
+ (SUBTARGET_TARGET_OPTIONS): Add -march. Change help text
+ for -mipsX.
+ (GENERATE_BRANCHLIKELY): Move TARGET_MIPS3900.
+ (ISA_HAS_BRANCHLIKELY): To here.
+ (CC1_CPU_SPEC): New.
+ (CC1_SPEC): Use here. Remove 4650 and 3900 options.
+ (mips_arch_string): Declare.
+ (mips_arch): Declare.
+ (TARGET_OPTIONS): Add -march and -mtune.
+
+ * config/mips/mips.c (mips_arch_string): New.
+ (mips_arch): New.
+ (override_options): Handle -march for codegen and -mtune
+ for scheduling. Use mips_arch. Move tx39 target default here.
+ (mips_parse_cpu): Move error message to override_options.
+
+ * config/mips/r3900.h (TARGET_DEFAULT): Remove.
+
+ * config/mips/mips.md: Use TARGET_MIPS4000 and TARGET_MIPS4300.
+
+ * doc/invoke.texi (Option Summary): Add -march and -mtune entries.
+ (MIPS Options): Ditto. Change mcpu entry to historical text.
+
+2001-07-05 H.J. Lu (hjl@gnu.org)
+
+ * config/mips/mips.c (mips_parse_cpu): New function to parse
+ -march=*/-mcpu=*.
+
+2001-07-05 Jim Wilson <wilson@redhat.com>
+
+ * config/ia64/lib1funcs.asm: Revert 2001-07-02 change.
+ * config/ia64/t-ia64: Likewise.
+ (LIB1ASMFUNCS): Update comment.
+
+2001-07-05 David Edelsohn <edelsohn@gnu.org>
+
+ * doc/install.texi (Install GCC: Binaries): Fix typo.
+
+2001-07-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
+
+ * config/m68hc11/m68hc11.md ("*ashlsi3"): Operand 1 can be a memory
+ reference using the stack pointer, adjust it since we push Y
+ temporarily.
+ ("*ashrsi3"): Likewise.
+ ("*lshrsi3"): Likewise.
+
+2001-07-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
+
+ * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Fix return address
+ when -fomit-frame-pointer is used.
+
+2001-07-05 Jeffrey Oldham <oldham@codesourcery.com>
+
+ * flow.c: Reverse Jan Hubicka's patch of 02July2001.
+ (try_redirect_by_replacing_jump): Reverse updating properly the
+ count and frequency information. Reverse removing cc0 setter.
+ (forwarder_block_p): Reverse fixing for fallthru blocks.
+
+2001-07-05 DJ Delorie <dj@redhat.com>
+
+ * gcc.c (TARGET_OPTION_TRANSLATE_TABLE): New.
+ (translate_options): If the above is defined, use it to map
+ given options to new options.
+ * doc/tm.texi: Document it.
+
+2001-07-05 Brad Lucier <lucier@math.purdue.edu>
+ Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
+
+ * doc/invoke.texi (Optimize Options): Document that -fgcse may
+ cause programs using computed gotos to run more slowly.
+
+2001-07-05 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
+
+ * doc/install.texi (Specific): Markup, spelling and typo fixes.
+ Fixed sorting.
+ Consistently require binutils 2.11.2, not prereleases.
+ (Specific, decstation-*): Canonicalize as mips-dec-*.
+ (Specific, i?86-*-sco3.2v5*): Remove make bootstrap requirement,
+ always necessary.
+ (Specific, m68k-altos): Removed reference to README.altos, deleted.
+ (Specific, mips-*): Reword MIPS C compiler requirements.
+ (Specific, powerpc*-*-*): New, mention --with-cpu once.
+ (Specific, sunv5): Removed, obsolete.
+
+2001-07-05 Nathan Sidwell <nathan@codesourcery.com>
+
+ * dwarf2out.c (output_loc_list): Use an all ones mask for
+ .text asm output and don't rely on long long
+ literals. Reformat some long lines.
+
+2001-07-05 Andreas Jaeger <aj@suse.de>
+
+ * doc/gcc.texi (GNU/Linux): Remove accidental re-add of GPL
+ section.
+
+2001-07-04 Daniel Berlin <dan@cgsoftware.com>
+
+ * dwarf2out.c (dwarf2out_define): Update comment.
+ (dwarf2out_undef): Ditto.
+ (dwarf2out_start_source_file): Ditto.
+ (dwarf2out_end_source_file): Ditto.
+ (dwarf2out_finish): Output DW_MACINFO_end_file for primary file,
+ since we never call the start/end debug hook for the primary file.
+
+2001-07-04 Kazu Hirata <kazu@hxi.com>
+
+ * config/h8300/h8300.c (get_shift_alg): Remove an extra operand
+ from shll.
+
+2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
+
+ * cppinit.c (remove_dup_dirs): Inform if a system include
+ directory is being reordered.
+ * doc/invoke.texi (Directory Options): GCC warns if you hide a
+ system include.
+ * doc/cpp.texi (Search Paths): Likewise.
+ * doc/gcc.texi (Interoperation): Remove information about
+ -I/usr/include.
+
+2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
+
+ * varray.h (VARRAY_TOP_GENERIC_PTR): Remove spurious parameter.
+ (VARRAY_TOP_CHAR_PTR): Likewise.
+
+2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * gcc.c (process_command): Don't assign elements of a const char*.
+
+Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * emit-rtl.c (change_address): Don't abort if invalid address while
+ reload is in progress.
+
+2001-07-04 Daniel Berlin <dan@cgsoftware.com>
+
+ * c-lex.c (cb_file_change): Pass line number to
+ debug_start_source_file.
+ (cb_undefine): Pass correct line number to debug_undef.
+
+ * toplev.c (debug_start_source_file): Add line number to
+ parameters. Pass it along to dwarf2out_start_source_file.
+ (decode_g_option): Stop resetting debug level back to normal when
+ we change debug formats, unless the current level is
+ none. (Before, -g3 -gdwarf-2 would use debug level 2, rather than
+ 3).
+
+ * toplev.h (debug_start_source_file): Add line number to
+ parameters.
+
+ * dwarf2out.h (dwarf2out_start_source_file): Add line number to
+ parameters.
+
+ * dwarf2out.c (dwarf2out_start_source_file): Add line number to
+ parameters.
+ Output debug_macinfo data for starting file if requested.
+ (dwarf2out_end_source_file): Output debug_macinfo data for ending
+ file if requested.
+ (dwarf2out_define): Output debug_macinfo data for defining a macro
+ if requested.
+ (dwarf2out_undef): Output debug_macinfo data for undefining a
+ macro if requested.
+ (DEBUG_MACINFO_SECTION): New. DWARF2 macro info section name.
+ (DEBUG_MACINFO_SECTION_LABEL): New. DWARF2 macro info section label.
+ (macinfo_section_label): New. DWARF2 macro info section label.
+ (dwarf2out_init): If we want macro info, output the start label
+ for the section.
+ (dwarf2out_finish): If we want macro info, add a DW_AT_macro_info
+ attribute to the compilation unit die pointing to the macro info.
+
+2001-07-04 Daniel Berlin <dan@cgsoftware.com>
+
+ * dwarf2out.c (new_loc_list): Move to inside #ifdef
+ DWARF2_DEBUGGING_INFO.
+ (add_loc_descr_to_loc_list): Ditto.
+ (output_loc_list): Ditto.
+ Also, fix thinko in curr not being initialized.
+ (gen_internal_sym): Ditto.
+
+Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * emit-rtl.c (replace_equiv_address): New function.
+ * expr.h (replace_equiv_address): New declaration.
+ * explow.c (validize_mem): Call it instead of change_address and
+ also call if -fforce-addr and address is constant.
+ * expr.c: Replace more calls to change_address with adjust_address
+ and/or replace_equiv_address or to validize_mem.
+ * function.c, regmove.c, config/alpha/alpha.c: Likewise.
+ * config/arm/arm.md, config/clipper/clipper.md: Likewise.
+ * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
+ * config/i370/i370.md, config/i860/i860.md: Likewise.
+ * config/i960/i960.md, config/mips/mips.c: Likewise.
+ * config/mips/mips.md, config/pa/pa.md: Likewise.
+ * config/pdp11/pdp11.md, config/rs6000/rs6000.c: Likewise.
+ * config/rs6000/rs6000.md, config/sh/sh.md: Likewise.
+
+2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * bitmap.c (bitmap_union_of_diff): Don't use BITMAP_ALLOCA.
+
+ * bitmap.h (BITMAP_ALLOCA): Don't pass alloca as an argument to a
+ function.
+
+2001-07-04 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * doc/include: New directory.
+ * doc/fdl.texi: Move to doc/include/fdl.texi.
+ * doc/texinfo.tex: Move to doc/include/texinfo.tex.
+ * doc/include/funding.texi, doc/include/gpl.texi: New files.
+ * doc/gcc.texi: Use funding.texi and gpl.texi.
+ * Makefile.in ($(docdir)/cpp.info, $(docdir)/gcc.info,
+ $(docdir)/cppinternals.info, cpp.dvi. gcc.dvi. cppinternals.dvi):
+ Update dependencies and use -I $(docdir)/include.
+
+2001-07-04 Anthony Green <green@redhat.com>
+
+ * config/v850/t-v850 (v850-c.o): Add missing dependencies.
+
+2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
+
+ * doc/install.texi (sparc64-*-*): Remove garbage.
+
+Wed Jul 4 09:07:44 2001 Jan van Male <jan.vanmale@fenk.wau.nl>
+
+ * i386.c (ix86_expand_builtin, case IX86_BUILTIN_SETPS):
+ Fix typo in last change to use adjust_address.
+
+2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
+
+ * doc/install.texi (Specific): Update information for *-*-solaris*.
+
+Tue Jul 3 22:33:15 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * explow.c (plus_constant_wide): Reinitialize Y for restart.
+
+2001-07-03 Stan Shebs <shebs@apple.com>
+
+ * config/darwin.h (SECTION_FUNCTION): Remove WAS_TEXT argument, remove
+ case for flag_no_mach_text_sections.
+ (EXTRA_SECTION_FUNCTIONS): Remove arg from uses of SECTION_FUNCTION.
+ * config/darwin.c (flag_no_mach_text_sections): Remove.
+ * config/darwin-protos.h (darwin_init_pragma): Remove decl.
+
+Tue Jul 3 15:35:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * explow.c (plus_constant_wide, case PLUS): Call find_constant_term
+ and avoid checking for constant as first operand.
+ * recog.c (find_constant_term_loc): No longer static.
+ (adj_offettable_operand): Delete.
+ * rtl.h (adj_offsettable_operand): Delete declaration.
+ (find_constant_term): Add declaration.
+ * caller-save.c: Replace calls to adj_offsettable_operand with calls
+ to adjust_address.
+ * config/arm/arm.c, config/c4x/c4x.c: Likewise.
+ * config/clipper/clipper.md, config/h8300/h8300.c: Likewise.
+ * config/i386/i386.c, config/i386/i386.md: Likewise.
+ * config/i860/i860.c, config/i960/i960.c: Likewise.
+ * config/i960/i960.md, config/m68hc11/m68hc11.c: Likewise.
+ * config/m68k/m68k.c, config/m68k/m68k.md: Likewise.
+ * config/m88k/m88k.md, config/mcore/mcore.c: Likewise.
+ * config/mips/mips.c, config/mips/mips.md: Likewise.
+ * config/mn10200/mn10200.c, config/mn10300/mn10300.c: Likewise.
+ * config/ns32k/ns32k.c, config/ns32k/ns32k.md: Likewise.
+ * config/pa/pa.c, config/pdp11/pdp11.c: Likewise.
+ * config/pdp11/pdp11.md, config/sh/sh.c, config/v850/v850.c: Likewise.
+ * config/vax/vax.md, config/ns32k/ns32k.c: Likewise.
+ * config/ns32k/ns32k.md: Likewise.
+
+2001-07-03 Zack Weinberg <zackw@stanford.edu>
+
+ * rtl.c (copy_rtx): Handle 'T' format letter.
+ * gensupport.c (collect_insn_data): Likewise.
+ * print-rtl.c (print_rtx): Print 'T' slots like 's'.
+
+2001-07-03 Nick Clifton <nickc@cambridge.redhat.com>
+
+ * doc/invoke.texi (Directory Options): Specifiy range for <N> in
+ -B option. Use 'dir' not 'foo' as example directory name.
+
+2001-07-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
+
+ * config/i386/sol2.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
+ Fixes PRs bootstrap/3067, bootstrap/3249, bootstrap/3275.
+
+2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * doc/cppinternals.texi: Improve formatting and logical markup.
+
+2001-07-03 Andreas Jaeger <aj@suse.de>
+
+ * Makefile.in (insn-recog.o): Add dependency on reload.h.
+
+ * genrecog.c (write_header): Include reload.h for prototypes in
+ insn-recog.c.
+
+2001-07-03 Neil Booth <neil@daikokuya.demon.co.uk>
+
+config:
+ * i386/cygwin.h (VALID_MACHINE_DECL_ATTRIBUTE,
+ VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
+ * i386/i386-protos.h (i386_pe_valid_decl_attribute_p,
+ i386_pe_valid_type_attribute_p): Add.
+ * i386/i386.c (TARGET_INITIALIZER): Override for cygwin targets.
+ * i386/winnt.c (i386_valid_decl_attribute_p): Return directly.
+
+Mon Jul 2 21:52:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * explow.c (plus_constant_wide, case LO_SUM): New case.
+ (plus_constant_for_output_wide): Delete.
+ * rtl.h (plus_constant_for_output): Delete.
+ * alias.c (canon_rtx, init_alias_analysis): Call plus_constant
+ instead of plus_constant_for_output.
+ * recog.c (offsettable_address_p, adj_offsettable_operand): Likewise.
+ * config/darwin.c, config/arm/arm.c, config/m68k/m68k.c: Likewise.
+ * config/m88k/m88k.c, config/mips/mips.c, config/pa/pa.c: Likewise.
+ * config/rs6000/rs6000.c, config/sparc/sparc.c: Likewise.
+ * config/sparc/sparc.md: Likewise.
+ Convert some change_address calls to adjust_address.
+
+2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * doc/extend.texi, doc/gcc.texi, doc/invoke.texi, doc/md.texi,
+ doc/rtl.texi, doc/tm.texi: Improve formatting. Improve
+ documentation of -std and -Wwrite-strings.
+
+2001-07-02 Geoffrey Keating <geoffk@redhat.com>
+
+ * cse.c (canon_hash): Don't register registers in very small
+ register classes, as extending their lifetime might cause
+ reload to fail.
+
+Mon Jul 2 23:14:00 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
+
+ * flow.c (forwarder_block_p): Fix for fallthru blocks.
+ (try_redirect_by_replacing_jump): Update properly the count
+ and frequency information.
+
+Mon Jul 2 14:20:13 2001 Jeffrey A Law (law@cygnus.com)
+
+ * toplev.c (dump_file_index): Move SSA dumps just after first
+ jump dump.
+ (dump_file): Corresponding changes.
+ (rest_of_compilation): Move SSA path to just after the first
+ jump pass.
+ * doc/gcc.texi (Passes): Update due to movement of SSA path.
+ * doc/invoke.texi: Update dump file #s as they were completely
+ out of date with reality.
+
+2001-07-02 Geoffrey Keating <geoffk@redhat.com>
+
+ * doc/tm.texi (Frame Layout): Document STACK_PUSH_CODE.
+
+ * expr.c (emit_move_insn_1): Deal with non-default
+ STACK_PUSH_CODE.
+
+ * expr.c (emit_single_push_insn): Fix warning.
+
+2001-07-02 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
+
+ * expr.c (emit_move_insn_1): Avoid modifying
+ cfun->expr->x_stack_pointer when PUSH_ROUNDING is defined.
+
+Mon Jul 2 15:33:31 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * emit-rtl.c (adjust_address): New function.
+ * expr.h (adjust_address): Add declaration.
+ * builtins.c: Replace some calls to change_address with calls to it
+ or to validize_mem.
+ * caller-save.c, dwarf2out.c, except.c, expmed.c, expr.c: Likewise.
+ * function.c, config/a29k/a29k.md, config/alpha/alpha.c: Likewise.
+ * config/arm/arm.c, config/convex/convex.c: Likewise.
+ * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
+ * config/i386/i386.c, config/i386/i386.md: Likewise.
+ * config/ia64/ia64.c, config/ia64/ia64.md: Likewise.
+ * config/m32r/m32r.c, config/m68k/m68k.md: Likewise.
+ * config/m88k/m88k.c, config/mips/mips.md: Likewise.
+ * config/ns32k/ns32k.c, config/rs6000/rs6000.c: Likewise.
+ * config/sh/sh.c, config/sparc/sparc.md: Likewise.
+
+2001-07-02 Jim Wilson <wilson@redhat.com>
+
+ * config/ia64/ia64.h: Delete obsolete lib1funcs.asm comment.
+
+2001-07-02 Steve Ellcey <sje@cup.hp.com>
+
+ * config/ia64/t-ia64: Change LIB1ASMFUNCS to use single underscore.
+ * config/ia64/lib1funcs.asm: Change macro names to match t-ia64.
+
+2001-07-02 Zack Weinberg <zackw@stanford.edu>
+
+ * cppinit.c (lang_defaults): New table.
+ (set_lang): Just read from lang_defaults into the live options
+ structure.
+
+2001-07-02 Zack Weinberg <zackw@stanford.edu>
+
+ * Makefile.in (doc): Depend on $(GENERATED_MANPAGES).
+ * doc/.cvsignore: Add gcc.1, cpp.1, gcov.1.
+ * doc/gcc.1, doc/cpp.1, doc/gcov.1: Removed.
+
+2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
+
+ * doc/install.texi: Various spelling and markup fixes.
+ (Installing GCC): Component specific installation instructions are
+ gone.
+ Fix reference.
+ Warn about removing old install dir in the presence of shared libs.
+ (Configuration): Invoke with options target to match configure
+ --help.
+ Consistently refer to gas, gld pathnames.
+ Invert --enable-multilib documentation.
+ Remove references to old compiler versions.
+
+Mon Jul 2 12:50:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * flow.c (try_simplify_condjump): Fix typo in updating fallthru flags.
+
+2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
+
+ * doc/install.texi (Specific, mips*-sgi-irix4): Split from IRIX 5
+ section.
+ (Specific, mips*-sgi-irix5): Note IDO download.
+ Reworded MIPS C hints.
+ Use GNU as instead of GAS.
+ Markup fixes.
+ Removed SGI Freeware reference, IRIX 6 only.
+ (Specific, mips*-sgi-irix6): Removed ranlib caveats, obsolete.
+ Note N64 library requirement/workaround.
+ Update O32 hints.
+ Complete list of structure passing bug victims.
+
+2001-07-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
+
+ * doc/install.texi: Remove CVS Id.
+
+2001-07-02 Andreas Jaeger <aj@suse.de>
+
+ * ssa-dce.c (note_inherently_necessary_set): Add unused attribute.
+ (find_inherently_necessary): Remove unused variable.
+
+2001-07-02 Nathan Sidwell <nathan@codesourcery.com>
+
+ * c-common.h (TDI_inlined): New ast dump phase.
+ (dump_flag_name): New function.
+ * c-dump.c (dump_files): Add inlined phase.
+ (dump_flag_name): Define.
+ * doc/invoke.texi (-fdump-ast-inlined): Document.
+
+Mon Jul 2 06:29:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * stor-layout.c (layout_decl): Revert change to handling of alignment
+ in packed types.
+
+Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * c-common.c (decl_attributes, case A_MODE): Don't call layout_decl
+ for FIELD_DECL.
+
+2001-07-01 Geoffrey Keating <geoffk@redhat.com>
+
+ * doc/tm.texi (FUNCTION_ARG): Document that the last call
+ is special.
+
+2001-07-01 Nathan Sidwell <nathan@codesourcery.com>
+
+ * tlink.c (recompile_files): Remove COMPILER_PATH and
+ LIBRARY_PATH from the environment.
+
+2001-07-01 Zack Weinberg <zackw@stanford.edu>
+
+ * c-common.h (enum rid): Add RID_FIRST_AT, RID_LAST_AT,
+ RID_LAST_PQ. Move RID_FIRST_PQ down with the other FIRST/LAST
+ enumerators.
+ (OBJC_IS_AT_KEYWORD, OBJC_IS_PQ_KEYWORD): New macros.
+
+ * c-parse.in (OBJC_STRING): Kill.
+ (objc_string): Decompose to [objc_string] '@' STRING.
+ (reswords): Take the leading '@' off all the Objective-C keywords.
+ (objc_rid_sans_at): Kill.
+ (init_reswords): Don't initialize it.
+ (yylexname): Use OBJC_IS_AT_KEYWORD and OBJC_IS_PQ_KEYWORD.
+ (_yylex): Kill reconsider label. Look ahead one token after
+ an '@'; if we get an identifier, check whether it's an
+ Objective-C @-keyword. If so, return the keyword. Otherwise,
+ put back the token and return the '@' as a terminal.
+
+ * cpplib.c (lex_macro_node): Remove unnecessary check for
+ leading '@' on identifier. Clarify control flow and commentary.
+
+Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * cse.c (new_label_ref): Variable deleted.
+ (insert): Remove set of new_label_ref.
+ (check_for_label_ref): New function.
+ (cse_basic_block): Don't check new_label_ref; call check_for_label_ref.
+
+2001-06-30 Zack Weinberg <zackw@stanford.edu>
+
+ * rtl.def (DEFINE_INSN, DEFINE_INSN_AND_SPLIT, DEFINE_PEEPHOLE):
+ Change output-template slot to format 'T'.
+ * rtl.h (XTMPL): New.
+ * read-rtl.c (read_escape): New function.
+ (read_quoted_string, read_braced_string): Use it.
+ (read_rtx): Set star_if_braced from the format string.
+ Use XTMPL where appropriate.
+ * genoutput.c (gen_insn, gen_peephole): Use XTMPL to get the
+ template string.
+
+ * rtl.c: Include errors.h for sake of rtl_check_failed* routines.
+ Document 'T' in rtx format strings.
+ * Makefile.in (rtl.o, $(HOST_PREFIX_1)rtl.o): Depend on errors.h.
+ * errors.c (internal_error): Add missing ": " at end of string.
+
+ * i860.md: Change triple backslashes to double backslashes at
+ ends of lines in output templates.
+ * ns32k.md: Remove stray backslash-newline in output template.
+
+2001-06-29 Nick Clifton <nickc@cambridge.redhat.com>
+
+ * gcc.c (process_command): Append a DIR_SEPARATOR to a path
+ specified by the -B switch, if doing so would create a valid
+ directory name.
+ * doc/invoke.texi: Document changed behavior of -B.
+
+2001-06-29 DJ Delorie <dj@redhat.com>
+
+ * simplify-rtx.c (simplify_subreg): When simplifying a CONCAT, at
+ least get rid of the CONCAT if we can't simplify further.
+
+Fri Jun 29 12:27:24 2001 Jeffrey A Law (law@cygnus.com)
+
+ * simplify-rtx.c (simplify_rtx): Use swap_commutative_operands_p.
+
+ * doc/gcc.texi (Passes): Update due to recent -fdce -> -fssa-dce
+ changes. Fix documentation for SSA DCE pass.
+
+ * ssa-dce.c (ssa_eliminate_dead_code): Renamed from
+ eliminate_date_code.
+ * ssa.h (ssa_eliminate_dead_code): Corresponding changes.
+ * timevar.def (TV_SSA_DCE): Renamed from TV_DEAD_CODE_ELIM.
+ * toplev.c (DFI_ssa_dce): Renamed from DFI_dce.
+ (dump_file_info): Similar changes.
+ (flag_ssa_dce): Similarly
+ (f_options): Similar changes.
+ (rest_of_compilation): Corresponding changes.
+ * doc/invoke.texi: Update as option is now -fssa-dce instead
+ of -fdce. Update dump file name.
+
+ * ssa-dce.c (note_inherently_necessary_set): New function.
+ (find_inherently_necessary): Use it. Do not consider
+ NOTEs, CODE_LABELs or BARRIERS are necessary. Improve
+ handling of asms and unspecs.
+ (delete_insn_bb): Only delete INSNs, CALL_INSNs or JUMP_INSNs.
+
+2001-06-29 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * target.h (struct gcc_target): Add comp_type_attributes and
+ set_default_type_attributes.
+ * target-def.h (TARGET_COMP_TYPE_ATTRIBUTES,
+ TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Define.
+ (TARGET_INITIALIZER): Update.
+ * doc/tm.texi (COMP_TYPE_ATTRIBUTES, TARGET_COMP_TYPE_ATTRIBUTES,
+ SET_DEFAULT_TYPE_ATTRIBUTES, TARGET_SET_DEFAULT_TYPE_ATTRIBUTES):
+ Update documentation of old target macros to describe new target
+ hooks.
+ * tree.c (make_node): Use target.set_default_type_attributes.
+ (default_comp_type_attributes,
+ default_set_default_type_attributes): New functions.
+ * tree.h (default_comp_type_attributes,
+ default_set_default_type_attributes): Declare.
+ * c-typeck.c (COMP_TYPE_ATTRIBUTES): Don't define.
+ (comptypes): Use target.comp_type_attributes.
+ * config/arc/arc-protos.h, config/arc/arc.c, config/arc/arc.h
+ (arc_comp_type_attributes, arc_set_default_type_attributes,
+ COMP_TYPE_ATTRIBUTES, SET_DEFAULT_TYPE_ATTRIBUTES): Remove
+ functions and macros with default behavior.
+ * config/m32r/m32r-protos.h, config/m32r/m32r.c,
+ config/m32r/m32r.h (m32r_comp_type_attributes,
+ m32r_set_default_type_attributes, COMP_TYPE_ATTRIBUTES,
+ SET_DEFAULT_TYPE_ATTRIBUTES): Likewise.
+ * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c,
+ config/m68hc11/m68hc11.h (m68hc11_comp_type_attributes,
+ m68hc11_set_default_type_attributes, COMP_TYPE_ATTRIBUTES,
+ SET_DEFAULT_TYPE_ATTRIBUTES): Likewise.
+ * config/ns32k/ns32k-protos.h, config/ns32k/ns32k.c,
+ config/ns32k/ns32k.h (ns32k_comp_type_attributes,
+ COMP_TYPE_ATTRIBUTES): Likewise.
+ * config/rs6000/rs6000-protos.h, config/rs6000/rs6000.c,
+ config/rs6000/rs6000.h (rs6000_comp_type_attributes,
+ rs6000_set_default_type_attributes, COMP_TYPE_ATTRIBUTES,
+ SET_DEFAULT_TYPE_ATTRIBUTES): Likewise.
+ * config/d30v/d30v.h (COMP_TYPE_ATTRIBUTES,
+ SET_DEFAULT_TYPE_ATTRIBUTES): Remove commented out macro
+ definitions.
+ * config/i386/i386.h (SET_DEFAULT_TYPE_ATTRIBUTES): Likewise.
+ * config/ns32k/ns32k.h (SET_DEFAULT_TYPE_ATTRIBUTES): Likewise.
+ * config/arm/arm.c (arm_comp_type_attributes,
+ arm_set_default_type_attributes): Make static.
+ (TARGET_COMP_TYPE_ATTRIBUTES, TARGET_SET_DEFAULT_TYPE_ATTRIBUTES):
+ Define.
+ * config/arm/arm.h (COMP_TYPE_ATTRIBUTES,
+ SET_DEFAULT_TYPE_ATTRIBUTES): Don't define.
+ * config/arm/arm-protos.h (arm_comp_type_attributes,
+ arm_set_default_type_attributes): Don't declare.
+ * config/i386/i386.c (ix86_comp_type_attributes): Make static.
+ (TARGET_COMP_TYPE_ATTRIBUTES): Define.
+ * config/i386/i386.h (COMP_TYPE_ATTRIBUTES): Don't define.
+ * config/i386/i386-protos.h (ix86_comp_type_attributes): Don't
+ declare.
+
+2001-06-28 Jan van Male <jan.vanmale@fenk.wau.nl>
+
+ * predict.c (dump_prediction): Eliminate fprintf warning.
+
+2001-06-28 Diego Novillo <dnovillo@redhat.com>
+
+ * flow.c (dump_bb): Remove unused third argument to call
+ to fprintf when displaying the basic block header.
+
+2001-06-28 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+ Jeff Law <law@redhat.com>
+
+ * Makefile.in (OBJS): Add df.o
+ (df.o): Add dependencies.
+ * basic-block.h (flow_depth_first_order_compute): Declare.
+ * flow.c (flow_depth_first_order_compute): No longer declare.
+ Make external.
+ * df.c, df.h: New files.
+
+2001-06-28 Zack Weinberg <zackw@stanford.edu>
+
+ * config/i386/i386.md: Global update to use new string syntax
+ where it will improve readability. Warning fixes:
+ (*truncdfsf2_2): Abort if which_alternative is not 0 or 1.
+ (*adddi_1_rex64, *adddi_2_rex64, *adddi_3_rex64,
+ *adddi_4_rex64, *adddi_5_rex64): Cast 1 to unsigned int.
+
+ * read-rtl.c: Syntactic sugar for C embedded in strings in
+ machine descriptions.
+ (read_string): Break inner loop into separate function. Takes
+ an int. Dispatch to read_quoted_string or read_braced_string
+ as appropriate. Automatically insert a leading star on braced
+ strings if STAR_IF_BRACED is true.
+ (read_quoted_string, read_braced_string): New functions.
+ * doc/rtl.texi, doc/md.texi: Document new syntax. Update
+ examples to match.
+
+ * rtl.c: Split RTL reader (read_rtx, read_skip_spaces,
+ traverse_md_constants, fatal_with_file_and_line,
+ fatal_expected_char, read_name, read_string, def_hash,
+ def_name_eq_p, read_constants, and related data) to its own
+ file. Weed out now-unnecessary #includes.
+ * read-rtl.c: New file.
+ * Makefile.in (HOST_RTL): Add read-rtl.o.
+ (read-rtl.o): New rule.
+ (rtl.o, $(HOST_PREFIX_1)rtl.o): Update dependencies.
+ * doc/gcc.texi (Passes): Talk briefly about the support
+ library used by genfoo.
+ * doc/rtl.texi (Reading RTL): read_rtx is not available in the
+ compiler itself.
+
+2001-06-28 Stan Shebs <shebs@apple.com>
+
+ * config/darwin.h (REGISTER_TARGET_PRAGMAS): Define.
+ * config/darwin-c.c: New file.
+ * config/darwin-protos.h: Declare new functions.
+ * config/rs6000/t-darwin (darwin-c.o): New rule.
+ * config.gcc (powerpc-*-darwin*): Define c_target_objs and
+ cxx_target_objs.
+ * doc/extend.texi (Pragmas): New section.
+
+Thu Jun 28 20:13:11 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * flow.c (try_merge_block): Rename to try_optimize_cfg;
+ do basic simplifications on the CFG.
+ (is_forwarder_block_p, can_fallthru, try_redirect_by_replacing_jump,
+ try_simplify_condjump): New.
+ (redirect_edge_and_branch): Try replace jump insn.
+ (flow_delete_insn): Handle deleting of ADDR_VEC insns.
+
+ * basic-block.h (FALLTHRU_EDGE, BRANCH_EDGE): New macros.
+
+Thu Jun 28 11:19:42 2001 Jeffrey A Law (law@cygnus.com)
+
+ * ssa-dce.c (eliminate_dead_code): Properly handle control
+ dependencies implied by PHI nodes.
+
+ * ssa-dce.c (eliminate_dead_code): Remove fake edges from the
+ CFG after dead code elimination is complete.
+
+2001-06-28 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
+
+ * gthr-posix.h [LIBOBJC]: Add weak definitions of
+ sched_get_priority_max, sched_get_priority_min.
+
+2001-06-28 Gabriel Dos Reis <gdr@codesourcery.com>
+
+ * diagnostic.c (default_print_error_function): Tweak.
+ (report_error_function): Likewise.
+ * toplev.h (default_print_error_function): Move to...
+ * diagnostic.h: ...here. Add a `diagnostic_context *' parameter.
+ * tree.h (print_error_function): Move to...
+ * diagnostic.h: ...here. Add a `diagnostic_context *' parameter.
+
+Thu Jun 28 06:16:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * expr.c (expand_assignment): When have varying-length object,
+ make MEM a BLKmode.
+ (expand_expr, case ADDR_EXPR): Use SAVE_EXPR_RTL after putting
+ SAVE_EXPR stack in case we had a SUBREG.
+
+Thu Jun 28 10:31:06 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * i386.md (cmp?i): Simplify; refuse immediate operand
+ in alternative 0
+ * i386.c (cmpsi_operand): Refuse constants.
+
+ * i386.md (movsi_insv_1, movsi_insv_1_rex64): Allow immediate operand.
+
+ * flow.c (block_label, redirect_edge_and_branch): Split out from ....
+ (split_edge) .... here;
+
+2001-06-28 Neil Booth <neil@cat.daikokuya.demon.co.uk>
+
+ * i386/i386.c (ix86_valid_type_attribute_p): Give external
+ linkage, move declaration to...
+ * i386/i386-protos.h: ...here.
+
+2001-06-27 H.J. Lu (hjl@gnu.org)
+
+ * build-make (CC): Removed.
+ (HOST_CC): Set to $(CC_FOR_BUILD).
+ (HOST_CFLAGS): Replace $(CFLAGS) with $(CFLAGS_FOR_BUILD).
+ Fix a typo in comments.
+
+ * configure.in: Set CFLAGS to $(CFLAGS_FOR_BUILD) when
+ generating auto-build.h for canadian cross compile. Set CC
+ to `"${CC_FOR_BUILD}"' instead of just `${CC_FOR_BUILD}'.
+ Save/restore CFLAGS.
+ * configure: Regenerated.
+
+2001-06-27 Jim Wilson <wilson@redhat.com>
+
+ * emit-rtl.c (gen_highpart): Call validize_mem.
+
+2001-06-27 Bruce Korb <bkorb@gnu.org>
+
+ * fixinc/inclhack.def(hpux11_cpp_pow_inline): new, but real similar to
+ hpux10_cpp_pow_inline. Not similar enough.
+ (solaris_mutex_init): renamed. PTHREAD_*_INITIALIZER is a problem for
+ all Solaris versions. This fix patches MUTEX and COND initializers,
+ the RWLOCK one will wait for someone to complain. For now, anyway.
+ (uw7_byteorder_fix): It was looking for the byteorder.h file in the
+ wrong directory.
+
+2001-06-27 Stan Shebs <shebs@apple.com>
+
+ * objc/objc-act.c (handle_impent): Rewrite to be more portable
+ and to use ASM_DECLARE_CLASS_REFERENCE.
+ * config/darwin.h (ASM_DECLARE_CLASS_REFERENCE): Rename from
+ undocumented DECLARE_CLASS_REFERENCE, add file argument.
+ * doc/tm.texi (ASM_DECLARE_CLASS_REFERENCE): Document.
+
+Wed Jun 27 18:01:09 2001 Jeffrey A Law (law@cygnus.com)
+
+ * simplify-rtx.c (simplify_rtx): Canonicalize commutative expressions
+ by putting complex operands first and constants second.
+
+2001-06-27 Gabriel Dos Reis <gdr@codesourcery.com>
+
+ * diagnostic.h: Add documentation. Make macros polymorphic.
+ * diagnostic.c (ideal_line_wrap_cutoff): Remove
+ definition. Replace with diagnostic_line_cutoff.
+ (prefixing_policy): Remove. Replace with diagnostic_prefixing_rule.
+
+2001-06-27 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * doc/c-tree.texi, doc/contrib.texi, doc/cpp.texi,
+ doc/cppinternals.texi, doc/extend.texi, doc/gcc.texi,
+ doc/gcov.texi, doc/install-old.texi, doc/install.texi,
+ doc/invoke.texi, doc/md.texi, doc/rtl.texi, doc/tm.texi: Replace
+ . at end of sentences preceded by a capital letter with @..
+
+2001-06-26 Daniel Berlin <dan@cgsoftware.com>
+
+ * doc/invoke.texi: Add description of max-gcse-passes param.
+
+ * gcse.c (gcse_main): Use MAX_GCSE_PASSES instead of MAX_PASSES.
+ (MAX_PASSES): Remove now unneeded macro.
+
+ * params.h (MAX_GCSE_PASSES): New macro, to get parameter value of
+ max-gcse-passes param.
+
+ * params.def (PARAM_MAX_GCSE_PASSES): New parameter, controlling
+ maximum number of GCSE passes to run. Defaults to 1 (which is what
+ MAX_PASSES in gcse.c used to be).
+
+2001-06-27 Neil Booth <neil@cat.daikokuya.demon.co.uk>
+
+ * system.h (TARGET_ESC): Move to ...
+ * defaults.h (TARGET_ESC): ... here.
+ * target-def.h (TARGET_VALID_DECL_ATTRIBUTE,
+ TARGET_VALID_TYPE_ATTRIBUTE): Default to a no-op handler.
+ * tree.c (default_valid_attribute_p): New.
+ (valid_machine_attribute): Handlers can not be NULL.
+ * tree.h (default_valid_attribute_p): New.
+ * doc/tm.texi: Document TARGET_ESC.
+ * cp/decl2.c (import_export_class): Update.
+
+2001-06-26 Bruce Korb <bkorb@gnu.org>
+
+ * gcc/fixinc/fixincl.c(initialize): In very strict ANSI, you cannot
+ use preprocessing directives inside a string literal. Fixed.
+
+2001-06-26 Jim Wilson <wilson@redhat.com>
+
+ * doc/tm.texi (MAX_LONG_DOUBLE_TYPE_SIZE, INTEL_EXTENDED_IEEE_FORMAT):
+ Document.
+
+2001-06-27 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * doc/cpp.texi, doc/cppinternals.texi, doc/extend.texi,
+ doc/gcc.texi, doc/install.texi, doc/invoke.texi, doc/md.texi,
+ doc/tm.texi: Use @: where necessary when a full stop does not end
+ a sentence.
+
+2001-06-27 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * doc/gcc.texi, doc/install.texi, doc/invoke.texi: Remove trailing
+ whitespace.
+
+2001-06-26 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * doc/c-tree.texi, doc/cpp.texi, doc/extend.texi, doc/gcc.texi,
+ doc/install.texi, doc/invoke.texi, doc/objc.texi, doc/rtl.texi,
+ doc/tm.texi: Use two spaces after ends of sentences.
+
+2001-06-26 Daniel Berlin <dan@cgsoftware.com>
+
+ * toplev.c (display_help): Fix param thinko.
+ * Makefile.in: Fix params.h dependencies.
+
+2001-06-26 Gabriel Dos Reis <gdr@codesourcery.com>
+
+ * toplev.c (decode_f_option): Adjust setting.
+ (toplev_main): Call diagnostic_initialize. Remove call to
+ reshape_diagnostic_buffer._
+
+ * diagnostic.h (struct output_buffer): Add new field format_decoder.
+ (diagnostic_format_decoder): New macro.
+ (diagnostic_prefixing_rule): Likewise.
+ (diagnostic_line_cutoff): Likewise.
+ (set_message_prefixing_rule): Remove.
+
+ * diagnostic.c (lang_printer): Remove.
+ (diagnostic_message_length_per_line): Likewise.
+ (current_prefixing_rule): Likewise.
+ (initialize_diagnostics): Rename to...
+ (diagnostic_initialize): ...this. Tweak.
+ (default_initialize_buffer): Remove.
+ (reshape_diagnostic_buffer): Likewise.
+ (init_output_buffer): Adjust prefixing rule setting.
+ (output_format): Use format_decoder from the output_buffer.
+
+ * c-lang.c (c_init): Adjust tree formatter setting.
+
+2001-06-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
+
+ * config/i386/sol2.h (CPP_SPEC): Pass -P for .S files.
+
+2001-06-26 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * Makefile.in (TARGET_H, TARGET_DEF_H): New.
+ (c-decl.o, tree.o, c-typeck.o, $(out_object_file)): Update.
+ * c-decl.c (duplicate_decls): Use function pointer.
+ * c-typeck.c (common_type): Similarly.
+ * tree.c (valid_machine_attribute): Similarly.
+ (merge_machine_type_attributes): Rename merge_type_attributes.
+ (merge_machine_decl_attributes): Rename merge_decl_attributes.
+ (merge_dllimport_decl_attributes): New function.
+ * tree.h (merge_machine_type_attributes): Rename merge_type_attributes.
+ (merge_machine_decl_attributes): Rename merge_decl_attributes.
+ (merge_dllimport_decl_attributes): New prototype.
+ * target.h: New.
+ * target-def.h: New.
+
+doc: (Joseph Myers)
+ * doc/gcc.texi, doc/tm.texi: Update documentation.
+
+cp: Make-lang.in: Update dependencies.
+ * spew.c: Include target.h.
+ (duplicate_decls): Call target function.
+ * decl2.c: include target.h
+ (import_export_class): Use existence of target function pointer.
+ * typeck.c: Include target.h.
+ (qualify_type_recursive): Rename variable. Call target function.
+ (type_after_usual_arithmetic_conversions): Similarly.
+ (common_type): Similarly.
+
+config: * 1750a/1750a.c, a29k/29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
+ avr/avr.c, c4x/c4x.c, clipper/clipper.c, convex/convex.c,
+ d30v/d30v.c, dsp16xx/dsp16xx.c, elxsi/elxsi.c, fr30/fr30.c,
+ i370/i370.c, i386/i386.c, i860/i860.c, i960/i960.c, ia64/ia64.c,
+ m32r/m32r.c, m68hc11/m68hc11.c, m68k/m68k.c, m88k/m88k.c,
+ mips/mips.c, mn10200/mn10200.c, mn10300/mn10300.c, ns32k/ns32k.c,
+ pa/pa.c, pdp11/pdp11.c, pj/pj.c, romp/romp.c, rs6000/rs6000.c,
+ sh/sh.c, sparc/sparc.c, v850/v850.c, vax/vax.c, we32k/we32k.c)
+ : Include target.h and target-def.h. Define target.
+
+ * arc/arc-protos.h (arc_valid_machine_decl_attribute): Remove.
+ * arc/arc.c (arc_valid_machine_decl_attribute): Rename
+ arc_valid_decl_attribute, make static.
+ * arc/arc.h (VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
+ * arm/arm-protos.h (arm_valid_machine_decl_attribute,
+ arm_valid_type_attribute_p, arm_pe_valid_machine_decl_attribute,
+ arm_pe_merge_machine_decl_attributes): Remove.
+ * arm/arm.c (arm_valid_machine_decl_attribute_p): Rename
+ arm_valid_decl_attribute_p, make static.
+ (arm_pe_valid_decl_attribute_p): Move from pe.c.
+ * arm/pe.c (arm_pe_valid_machine_decl_attribute_p): Move to arm.c.
+ (arm_pe_merge_machine_decl_attributes): Move to tree.c.
+ * arm/arm.h (VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
+ * arm/coff.h (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
+ * arm/elf.h (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
+ * arm/pe.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): New.
+ (VALID_MACHINE_TYPE_ATTRIBUTE, VALID_MACHINE_DECL_ATTRIBUTE): Remove.
+ * avr/avr-protos.h (valid_machine_type_attribute,
+ valid_machine_decl_attribute): Remove.
+ * avr/avr.c (valid_machine_type_attribute,
+ valid_machine_decl_attribute): Rename and make static.
+ * avr/avr.h (VALID_MACHINE_TYPE_ATTRIBUTE,
+ VALID_MACHINE_DECL_ATTRIBUTE): Remove.
+ * c4x/c4x-protos.h (c4x_valid_type_attribute_p): Remove.
+ * c4x/c4x.c (c4x_valid_type_attribute_p): Make static.
+ * c4x/c4x.h (VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
+ * d30v/d30v.h: Remove obsolete comments.
+ * h8300/h8300-protos.h (h8300_valid_machine_decl_attribute): Remove.
+ * h8300/h8300.c (h8300_valid_machine_decl_attribute): Rename, make
+ static.
+ * h8300/h8300.h (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
+ * i386/cygwin.h (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define.
+ (i386_pe_merge_decl_attributes, MERGE_MACHINE_DECL_ATTRIBUTES,
+ i386_pe_valid_type_attributes_p): Remove.
+ * i386/i386-protos.h (ix86_valid_decl_attribute_p,
+ ix86_valid_type_attribute_p): Remove.
+ * i386/i386.c (ix86_valid_decl_attribute_p): Remove.
+ (ix86_valid_type_attribute_p): Make static.
+ * i386/i386.h (VALID_MACHINE_DECL_ATTRIBUTE,
+ VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
+ * i386/winnt.c (i386_pe_merge_decl_attributes): Move to tree.c.
+ * ia64/ia64-protos.h (ia64_valid_type_attribute): Remove.
+ * ia64/ia64.c (ia64_valid_type_attribute): Make static.
+ * ia64/ia64.h (VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
+ * m32r/m32r-protos.h (m32r_valid_machine_decl_attribute): Remove.
+ * m32r/m32r.c (m32r_valid_decl_attribute): Make static.
+ * m32r/m32r.h (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
+ * m68hc11/m68hc11-protos.h (m68hc11_valid_decl_attribute_p,
+ m68hc11_valid_type_attribute_p): Remove.
+ * m68hc11/m68hc11.c (m68hc11_valid_decl_attribute_p): Remove.
+ (m68hc11_valid_type_attribute_p): Make static.
+ * m68hc11/m68hc11.h (VALID_MACHINE_DECL_ATTRIBUTE,
+ VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
+ * mcore/mcore-protos.h (mcore_valid_machine_decl_attribute,
+ mcore_merge_machine_decl_attribute): Remove.
+ * mcore/mcore.c (mcore_valid_machine_decl_attribute): Rename,
+ make static.
+ (mcore_merge_machine_decl_attributes): Move to tree.c.
+ * mcore/mcore.h (VALID_MACHINE_DECL_ATTRIBUTE,
+ VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
+ (TARGET_DLLIMPORT_DECL_ATTRIBUTES): Define.
+ * ns32k/ns32k-protos.h (ns32k_valid_decl_attribute_p,
+ ns32k_valid_type_attribute_p): Remove.
+ * ns32k/ns32k.c (ns32k_valid_decl_attribute_p): Remove.
+ (ns32k_valid_type_attribute_p): Make static.
+ * ns32k/ns32k.h (VALID_MACHINE_DECL_ATTRIBUTE,
+ VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
+ * rs6000/rs6000-protos.h (rs6000_valid_decl_attribute_p,
+ rs6000_valid_type_attribute_p): Remove.
+ * rs6000/rs6000.c (rs6000_valid_decl_attribute_p): Remove.
+ (rs6000_valid_type_attribute_p): Make static.
+ * rs6000/rs6000.h (VALID_MACHINE_DECL_ATTRIBUTE,
+ VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
+ * sh/sh-protos.h (sh_valid_machine_decl_attribute): Remove.
+ * sh/sh.c (sh_valid_machine_decl_attribute): Rename, make static.
+ * sh/sh.h (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
+ * v850/v850-protos.h (v850_valid_machine_decl_attribute): Remove.
+ * v850/v850.c (v850_valid_machine_decl_attribute): Rename, make static.
+ * v850/v850.h (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
+
+2001-06-26 Vladimir Makarov <vmakarov@toke.toronto.redhat.com>
+
+ * glimits.h (USHRT_MAX): Use unsigned suffix if int can not hold
+ it.
+
+2001-06-26 Gabriel Dos Reis <gdr@codesourcery.com>
+
+ * diagnostic.h (struct diagnostic_context): Add new field.
+ (lang_diagnostic_starter, lang_diagnostic_finalizer): Remove
+ declaratons.
+ (global_dc): Declare.
+ * diagnostic.c (global_diagnostic_context): New variable.
+ (global_output_buffer): Remove.
+ (global_dc): Define.
+ (lang_diagnostic_starter, lang_diagnostic_finalizer): Remove
+ definitions.
+ (initialize_diagnostics): Adjust initialization.
+ (set_diagnostic_context): Adjust setting.
+
+2001-06-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
+
+ * config/mips/iris5.h (UNALIGNED_INT_ASM_OP,
+ UNALIGNED_SHORT_ASM_OP): Define.
+ * config/mips/iris6.h (UNALIGNED_INT_ASM_OP,
+ UNALIGNED_SHORT_ASM_OP): Undef.
+
+Tue Jun 26 12:40:12 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * i386.md (float_truncate splitter, and to mov splitters): Add
+ reload_completed; fix operand predicate.
+
+ * haifa-sched.c (sched_init): Do not split insns.
+ * toplev.c (rest_of_compilation): Call split_all_insns before
+ sched1 pass; simplify condition of post-reload splitter;
+ call split_all_insn before sched2 pass.
+
+2001-06-26 Gabriel Dos Reis <gdr@codesourcery.com>
+
+ * diagnostic.h (diagnostic_prefixing_rule_t): New enum type.
+ (set_message_prefixing_rule): Adjust prototype.
+ * diagnostic.c (current_prefixing_rule): Adjust type.
+
+2001-06-26 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * defaults.h: Default escape sequences to ASCII.
+ * config/i370/i370.h: Adjust for ASCII default.
+ * config/1750a/1750a.h: Remove escape sequence definitions.
+ * config/a29k/a29k.h: Similarly.
+ * config/alpha/alpha.h: Similarly.
+ * config/arc/arc.h: Similarly.
+ * config/arm/arm.h: Similarly.
+ * config/avr/avr.h: Similarly.
+ * config/c4x/c4x.h: Similarly.
+ * config/clipper/clipper.h: Similarly.
+ * config/convex/convex.h: Similarly.
+ * config/d30v/d30v.h: Similarly.
+ * config/dsp16xx/dsp16xx.h: Similarly.
+ * config/elxsi/elxsi.h: Similarly.
+ * config/fr30/fr30.h: Similarly.
+ * config/h8300/h8300.h: Similarly.
+ * config/i386/i386.h: Similarly.
+ * config/i860/i860.h: Similarly.
+ * config/i960/i960.h: Similarly.
+ * config/ia64/ia64.h: Similarly.
+ * config/m32r/m32r.h: Similarly.
+ * config/m68hc11/m68hc11.h: Similarly.
+ * config/m68k/m68k.h: Similarly.
+ * config/m88k/m88k.h: Similarly.
+ * config/mcore/mcore.h: Similarly.
+ * config/mips/mips.h: Similarly.
+ * config/mn10200/mn10200.h: Similarly.
+ * config/mn10300/mn10300.h: Similarly.
+ * config/ns32k/ns32k.h: Similarly.
+ * config/pa/pa.h: Similarly.
+ * config/pdp11/pdp11.h: Similarly.
+ * config/pj/pj.h: Similarly.
+ * config/romp/romp.h: Similarly.
+ * config/rs6000/rs6000.h: Similarly.
+ * config/sh/sh.h: Similarly.
+ * config/sparc/sparc.h: Similarly.
+ * config/v850/v850.h: Similarly.
+ * config/vax/vax.h: Similarly.
+ * config/we32k/we32k.h: Similarly.
+ * doc/tm.texi: Update documentation.
+
+2001-06-26 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
+
+ * diagnostic.c (digit_buffer): Remove as global. Move to...
+ * diagnostic.h (struct output_buffer): ... here.
+ * diagnostic.c (output_formatted_integer): Adjust use of digit_buffer.
+
+2001-06-25 Steve Ellcey <sje@cup.hp.com>
+
+ * config.gcc (ia64*-*-hpux*): Add ia64/hpux_longdouble.h to tm_file.
+ Define tmake_file to include ia64/t-hpux.
+ * real.c (INTEL_EXTENDED_IEEE_FORMAT): Test for value instead of
+ testing to see if it is defined.
+ * real.h (INTEL_EXTENDED_IEEE_FORMAT): Likewise. Default to 0 if
+ undefined.
+ * config/ia64/hpux_longdouble.h: New.
+ * config/ia64/ia64.c (hfa_element_mode): Add comment about incorrect
+ handling of long doubles.
+ (ia64_function_arg, ia64_function_value): Add checks for TFmode
+ and INTEL_EXTENDED_IEEE_FORMAT.
+ * config/ia64/ia64.h (INTEL_EXTENDED_IEEE_FORMAT): Define to one.
+ (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, LIBCALL_VALUE): Add checks for
+ TFmode and INTEL_EXTENDED_IEEE_FORMAT.
+ * config/ia64/ia64.md (all TFmode patterns): Test
+ INTEL_EXTENDED_IEEE_FORMAT in condition.
+ (floatdidf2, floatdisf2): New, for !INTEL_EXTENDED_IEEE_FORMAT.
+ * config/ia64/quadlib.c: New.
+ * config/ia64/t-hpux: New.
+ * config/i386/i386.h (INTEL_EXTENDED_IEEE_FORMAT): Define to one.
+
+2001-06-25 Jim Wilson <wilson@redhat.com>
+
+ * config/i960/t-960bare (i960-c.o): Add missing header dependencies.
+ * config/i960/t-vxworks960: Likewise.
+
+2001-06-25 Dale Johannesen <dalej@apple.com>
+
+ * bitmap.c (bitmap_last_bit_set): Fix a non-c89 usage (null actual
+ argument to macro).
+
+Mon Jun 25 11:10:51 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * i386.md (movsi_insv_1, movsi_insv_1_rex64): Fix constraints.
+
+2001-06-25 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * doc/c-tree.texi, doc/contrib.texi, doc/extend.texi,
+ doc/gcc.texi, doc/gcov.texi, doc/install.texi, doc/invoke.texi,
+ doc/md.texi, doc/rtl.texi, doc/tm.texi: Be more consistent about
+ the use of "GCC" and related terms.
+ * doc/gcc.1, doc/gcov.1: Regenerate.
+
+2001-06-24 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * doc/extend.texi, doc/gcc.texi, doc/install-old.texi,
+ doc/invoke.texi, doc/md.texi, doc/rtl.texi, doc/tm.texi: Remove
+ uses of @refill.
+
+Sun Jun 24 21:21:49 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * (movsi_insv_1, movsi_insv_1_rex64): Allow immediate operand.
+
+2001-06-24 Richard Henderson <rth@redhat.com>
+
+ * builtins.c (expand_builtin_expect_jump): Disable if the
+ expression can't be re-evaluated.
+
+2001-06-24 Nick Clifton <nickc@cambridge.redhat.com>
+
+ * config/arm/arm.c (arm_compute_save_reg_mask): For FIQ interrupt
+ handlers examine register r0-r7, for other interrupt handlers
+ examine r0-r12. If the interrupt handler is not a leaf function
+ save all call clobbered registers.
+ (arm_output_epilogue): If the prologue has pushed the IP register,
+ restore it here.
+ (Arm_expand_prologue): For interrupt functions that need the frame
+ pointer, push the IP register before it is corrupted.
+
+ * config/arm/arm.h (ARM_SIGN_EXTEND): Fix compile time warnings
+ about the use of signed and unsigned quantities in a conditional.
+
+2001-06-23 Richard Henderson <rth@redhat.com>
+
+ * config/alpha/crtfastmath.c: New file.
+ * config/alpha/t-crtfm: New file.
+ * config/alpha/elf.h (ENDFILE_SPEC): Use crtfastmath.o.
+ * config/alpha/osf.h (ENDFILE_SPEC): Likewise.
+ * config/alpha/t-crtbe (EXTRA_PARTS): Add pieces defined here.
+ * config.gcc (alpha-{linux,freebsd,netbsd,osf}): Use alpha/t-crtfm;
+ do not set extra_parts here.
+
+2001-06-24 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * doc/install-old.texi: Remove more documentation of configure
+ options.
+ * doc/install.texi: Add it here.
+
+Sat Jun 23 19:40:05 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * i386-protos.h (emit_i387_cw_initialization): Declare.
+ * i386.md (movsi_insv_1): Remove '*'.
+ (fix_trunc?f?i2): Revamp to use control word parameters.
+ (fix_trunc?i_1): Likewise; update splitters.
+ (fix splitter): Remove.
+ * i386.c (MAX_386_STACK_LOCALS): set to 3.
+ (emit_i387_cw_initialization): New function.
+ (output_fix_trunc): Do not initialize control word;
+ kill dead code; simplify.
+
+2001-06-23 Neil Booth <neil@cat.daikokuya.demon.co.uk>
+
+ * cppmacro.c (make_string_token): Avoid warning.
+ (cpp_macro_definition): Prepend the macro name. Update
+ comments.
+ * cppmain.c (cb_define, dump_macro): Update for changes
+ to cpp_macro_definition.
+
+Sat Jun 23 10:20:03 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * flow.c (attempt_auto_inc, try_pre_increment_1): Fix typo.
+
+Sat Jun 23 01:23:59 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * flow.c (mark_set_1, attempt_auto_inc, mark_used_reg,
+ try_pre_increment_1): compute REG_FREQ using bb->frequency.
+
+ * regclass.c (loop_cost): Kill.
+ (frequency): New global variable.
+ (record_operand_costs): Replace loop_cost by frequency.
+ (scan_one_insn): Likewise.
+ (regclass): Likewise; set frequency according to bb->frequency.
+
+ * flow.c (split_edge): Set frequency.
+
+Sat Jun 23 01:16:42 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * predict.c (block_info_def): Add nvisited.
+ (propagate_freq): Count nvisited; re-queue delayed blocks; handle
+ irreducible regions.
+
+ * flow.c (dump_edge_info): Dump the probability of edge.
+ (combine_predictions_for_insn): Dump the basic block.
+
+2001-06-22 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * doc/gcc.texi: Update documentation of source files of C
+ compiler.
+
+2001-06-22 Richard Henderson <rth@redhat.com>
+
+ * doc/invoke.texi (-funsafe-math-optimizations): Document its
+ possible effects at link time.
+
+2001-06-22 Diego Novillo <dnovillo@redhat.com>
+
+ * basic-block.h (dump_edge_info): Declare.
+ (clear_edges): Declare.
+ (mark_critical_edges): Declare.
+ * flow.c (dump_edge_info): Remove static declaration.
+ (clear_edges): Ditto.
+ (mark_critical_edges): Ditto.
+ (free_basic_block_vars): Only clear edges and free basic block
+ array if basic_block_info is not NULL.
+ * ssa.c (compute_dominance_frontiers): Remove static declaration.
+ * ssa.h (compute_dominance_frontiers): Declare.
+
+2001-06-22 Toshiyasu Morita (toshiyasu.morita@hsa.hitachi.com)
+
+ * predict.c: (expected_value_to_br_prob): Check for const_true_rtx
+ instead of const1_rtx for true case.
+
+2001-06-22 David Mosberger <davidm@hpl.hp.com>
+
+ * config/ia64/crtfastmath.c: New file.
+ * config/ia64/t-ia64 (EXTRA_PARTS): Include it.
+ * config/ia64/linux.h (ENDFILE_SPEC): New.
+
+2001-06-22 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
+
+ * config/h8300/h8300.c (asm_file_start): Remove reference to
+ "release F-1".
+
+2001-06-22 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-common.c (verify_tree): Check for x being NULL.
+ * doc/c-tree.texi: Document COMPOUND_BODY of an empty
+ COMPOUND_STMT.
+ Fixes PR c/3259.
+
+2001-06-22 DJ Delorie <dj@redhat.com>
+
+ * config/arm/arm.h (struct machine_function): Remove ra_rtx.
+ * config/arm/arm.c (arm_mark_machine_status): Remove ra_rtx.
+ (arm_return_addr): Use get_hard_reg_initial_val et al.
+ * config/d30v/d30v.h (struct machine_function): Remove ra_rtx.
+ * config/d30v/d30v.c (d30v_mark_machine_status): Remove ra_rtx.
+ (d30v_return_addr): Use get_hard_reg_initial_val et al.
+ * config/rs6000/rs6000.h (struct machine_function): Remove ra_rtx.
+ * config/rs6000/rs6000.c (rs6000_override_options): Don't set
+ mark_machine_status.
+ (rs6000_mark_machine_status): Remove.
+ (rs6000_return_addr): Use get_hard_reg_initial_val.
+ (rs6000_ra_ever_killed): Use has_hard_reg_initial_val.
+ * config/v850/v850.h (INIT_EXPANDERS): Delete.
+ * config/v850/v850.c (struct machine_function): Delete.
+ (v850_init_machine_status): Delete.
+ (v850_mark_machine_status): Delete.
+ (v850_free_machine_status): Delete.
+ (v850_return_addr): Use get_hard_reg_initial_val.
+ (v850_init_expanders): Delete.
+
+Fri Jun 22 19:20:59 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * predict.c (estimate_bb_frequencies): Do not handle conditional
+ jumps jumping to fallthru basic block as conditional jumps.
+
+Fri Jun 22 19:11:28 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * regs.h (struct reg_info_def): Add freq field.
+ (REG_N_REFS): Update comment.
+ (REG_FREQ): New.
+ * regclass.c (scan_one_insn): Update REG_FREQ.
+ * flow.c (mark_set_1): Update REG_FREQ, make REG_N_SETS unweighted.
+ (attempt_auto_inc): Likewise.
+ (mark_used_reg): Likewise.
+ (try_pre_increment_1): Likewise.
+ * local-alloc.c (struct qty): Add freq field.
+ (alloc_qty): Set freq.
+ (update_equiv_regs): Set REG_FREQ.
+ (QTY_CMP_PRI): Use freq.
+ (combine_regs): Update qty->freq.
+ * global.c (struct allocno): Update comment for n_refs;
+ add freq field.
+ (local_reg_freq): New array.
+ (global_alloc): Update freq field;
+ allocate and initialize local_reg_freq.
+ (allocno_compare): Use freq field.
+ (find_reg): Likewise.
+ * reload1.c (count_pseudo): Use freq isntead of n_refs.
+ (count_spilled_pseudo): Likewise.
+
+ * tm.texi (GCOV_TYPE_SIZE): Document.
+ * basic-block.h (gcov_type): Define.
+ (struct edge_def): Use gcov_type for count field.
+ (struct basic_block_def): Likewise.
+ * defaults.h (GCOV_TYPE_SIZE): Define.
+ * final.c (end_final): Use GCOV_TYPE_SIZE.
+ * flow.c (dump_edge_info, dump_flow_info, dump_bb): Print count fields
+ using HOST_WIDEST_INT_PRINT_DEC.
+ * gcov-io.h (__fetch_gcov_type, __store_gcov_type, __read_gcov_type,
+ __write_gcov_type): New.
+ (store_long): Remove.
+ * gcov.c (gcov_type): Set default.
+ (struct adj_list): Use gcov_type for arc_count.
+ (bb_info): Use gcov_type for succ_count, pred_count and exec_count.
+ (create_program_flow_graph): Read arc_count properly.
+ (solve_program_flow_graph): 'total' is gcov_type.
+ (output_data): Line_counts is gcov_type, print it properly.
+ * libgcc2.c (struct bb): Counts is gcov_type.
+ (__bb_exit_func): Use __read_gcov_type and __write_gcov_type.
+ * profile.c (LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE): Set default.
+ (GCOV_TYPE_SIZE): Define.
+ (struct bb_info): succ_count and pred_count is gcov_type.
+ (compute_branch_probabilities): Use __read_gcov_type,
+ print read edges to the dump file.
+ (total): Is gcov_type.
+ (gen_edge_profiler): Use GCOV_TYPE_SIZE.
+
+2001-06-14 Andrew Haley <aph@cambridge.redhat.com>
+
+ * optabs.c (emit_libcall_block): When using non-call exceptions,
+ don't mark libcalls never throwing.
+
+2001-06-21 Stan Shebs <shebs@apple.com>
+
+ * objc/objc-act.c (hash_init): Use xcalloc.
+
+2001-06-21 Richard Henderson <rth@redhat.com>
+
+ * flow.c (entry_exit_blocks): Initialize frequency.
+ (split_block): Copy it.
+ (dump_flow_info): Dump it.
+
+Thu Jun 21 22:15:10 2001 J"orn Rennecke <amylaar@redhat.com>
+
+ * sh.c (barrier_align): Also recognize branch-around-a-jump-sequence
+ from machine-depedent_reorg for purposes of alignment supression
+ when no delay slot insn has been added.
+
+2001-06-21 Neil Booth <neil@cat.daikokuya.demon.co.uk>
+
+ * cppmacro.c (make_string_token): Null terminate.
+
+2001-06-21 DJ Delorie <dj@redhat.com>
+
+ * config/alpha/alpha.h (struct machine_function): Remove.
+ * config/alpha/alpha.c (integrate.h): Include.
+ (override_options): Don't set up machine_status hooks.
+ (alpha_init_machine_status): Remove.
+ (alpha_mark_machine_status): Remove.
+ (alpha_free_machine_status): Remove.
+ (alpha_return_addr): Use get_hard_reg_initial_val.
+ (alpha_gp_save_rtx): Likewise.
+ (alpha_ra_ever_killed): Use has_hard_reg_initial_val.
+
+2001-06-20 Aldy Hernandez <aldyh@redhat.com>
+
+ * config/sh/sh.md (interrupt_function): Use
+ current_function_interrupt.
+ (define_delay): Schedule in delay slot if TARGET_SH3, even if it is
+ an interrupt function.
+
+ * config/sh/sh.h (current_function_interrupt): Define extern.
+
+ * config/sh/sh.c (current_function_interrupt): New global.
+ (sh_expand_prologue): Set current_function_interrupt.
+
+2001-06-21 Phil Edwards <pme@sources.redhat.com>
+
+ * doc/install.texi: Add 'c' to list of --enable-languages choices.
+
+2001-06-21 DJ Delorie <dj@redhat.com>
+
+ * integrate.c (mark_hard_reg_initial_vals): Check for NULL.
+
+ * integrate.c (ggc.h): Include.
+ (initial_value_pair, initial_value_struct,
+ setup_initial_hard_reg_value_integration): Add prototypes.
+ (expand_inline_function): Call
+ setup_initial_hard_reg_value_integration.
+ (has_func_hard_reg_initial_val, get_func_hard_reg_initial_val,
+ get_hard_reg_initial_val, has_hard_reg_initial_val): New functions
+ to keep track of values present at the start of a function.
+ (mark_hard_reg_initial_vals): New, for gc.
+ (setup_initial_hard_reg_value_integration): New. Sets up pseudo
+ mappings for initial values.
+ (emit_initial_value_sets): New. Emits code to set initial value
+ pseudos.
+ * integrate.h: Add prototypes for new functions.
+ * function.h (struct function): Add hard_reg_initial_vals field.
+ * function.c (integrate.h): Include.
+ (mark_function_status): Call
+ mark_hard_reg_initial_vals.
+ * toplev.c (integrate.h): Include.
+ (rest_of_compilation): Call emit_initial_value_sets.
+
+2001-06-21 Stan Shebs <shebs@apple.com>
+
+ * doc/contrib.texi, doc/cpp.texi, doc/cppinternals.texi,
+ doc/extend.texi, doc/gcc.texi, doc/install.texi, doc/invoke.texi,
+ doc/objc.texi, doc/tm.texi: Use the correct name "Objective-C"
+ everywhere instead of "Objective C".
+
+2001-06-21 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * doc/c-tree.texi, doc/contrib.texi, doc/extend.texi,
+ doc/gcc.texi, doc/install-old.texi, doc/install.texi,
+ doc/invoke.texi, doc/rtl.texi: Consistently use "front end" and
+ "back end" as nouns and "front-end" and "back-end" as adjectives.
+
+Wed Jun 20 21:53:35 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * predict.c (estimate_probability): Fix loop bounds.
+
+Wed Jun 20 19:10:48 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * toplev.c (rest_of_compilation): Run mark_constant_function
+ before profile-arcs.
+
+Wed Jun 20 19:08:18 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * predict.c (estimate_loops_at_level, propagate_freq
+ estimate_bb_frequencies, count_to_freqs): New functions.
+ (estimate_probability): Call estimate_bb_frequencies.
+ * basic-block.h (basic_block_def): Add field "freq".
+ (BB_FREQ_MAX): New constant.
+
+Wed Jun 20 17:02:50 2001 J"orn Rennecke <amylaar@redhat.com>
+
+ * sh.c (barrier_align): Don't ask for alignment when seeing a
+ branch-around-a-jump from machine_dependent_reorg.
+
+Wed Jun 20 08:35:02 2001 Jeffrey A Law (law@cygnus.com)
+
+ * ssa.c (rename_block): Update parameter to remove_phi_alternative
+ (convert_from_ssa): Do create REG_DEAD and REG_UNUSED notes when
+ re-running life analysis.
+
+2001-06-20 Stan Shebs <shebs@apple.com>
+
+ * objc/objc-act.c (hash_init): Assume xmalloc always succeeds,
+ also use memset to clear the hash tables.
+ (hash_enter): Assume xmalloc always succeeds.
+ (hash_add_attr): Ditto.
+ (continue_class): Ditto.
+
+2001-06-20 Michael Meissner <meissner@redhat.com>
+
+ * builtins.c (predict.h): Include.
+ (expand_builtin_expect): Update comment.
+ (expand_builtin_expect_jump): New function to expand
+ __builtin_expect inside of a conditional jump expansion.
+
+ * expr.c (do_jump): Special case __builtin_expect (<test>, 0) and
+ __builtin_expect (<test>, 1).
+
+ * Makefile.in (builtins.o): Depend on $(PREDICT_H).
+
+ * rtl.h (expand_builtin_expect_jump): Add prototype.
+
+2001-06-19 Geoffrey Keating <geoffk@redhat.com>
+
+ * doc/rtl.texi (Machine Modes): Correct description of
+ floating-point modes on machines with non-8-bit bytes.
+
+2001-06-19 Bernd Schmidt <bernds@redhat.com>
+
+ * regmove.c (optimize_reg_copy_3): Do nothing if previous insn
+ carries a REG_EQUIV note. If it carries REG_EQUAL, delete the
+ note.
+
+Tue Jun 19 07:53:52 2001 Jeffrey A Law (law@cygnus.com)
+
+ * ssa.c (remove_phi_alternative): Remove declaration. No longer
+ static. Second argument is a pointer to a basic block structure,
+ not a basic block index.
+ (convert_to_ssa): Do not remove dead code.
+ (convert_from_ssa): Do not remove dead code to create death notes.
+ * ssa.h (remove_phi_alternative): Declare.
+
+ * flow.c (delete_unreachable_blocks): Fix patch error in
+ previous change (call to find_unreachable_blocks was lost).
+
+ * ssa.c (ssa_uses): Remove definition.
+ (apply_delayed_renames): Don't grow ssa_uses.
+ (rename_block): Remove comment related to ssa_uses.
+ (rename_registers): Do not initialize ssa_uses.
+ (convert_from_ssa): Do not free ssa_uses.
+
+ * ssa-dce.c: Renamed from dce.c.
+ * Makefile.in (OBJS): Replace dce.o with ssa-dce.o
+ (dependencies): Replace dce.c with ssa-dce.c and dce.o with
+ ssa-dce.o.
+
+2001-06-19 Eric Christopher <echristo@redhat.com>
+
+ * emit-rtl.c (gen_lowpart_common): Do not assume that SFmode
+ and DFmode are UNITS_PER_WORD and 2*UNITS_PER_WORD. Use
+ GET_MODE_BITSIZE instead of GET_MODE_SIZE/UNITS_PER_WORD.
+
+Tue Jun 19 01:52:27 2001 J"orn Rennecke <amylaar@redhat.com>
+
+ * sh.c (output_branch): Delete bogus code.
+
+ * sh.c (initial_elimination_offset):
+ Fix FROM == RETURN_ADDRESS_POINTER_REGNUM case.
+
+Mon Jun 18 12:50:49 2001 Jeffrey A Law (law@cygnus.com)
+
+ * flow.c (find_unreachable_blocks): New function.
+ (delete_unreachable_blocks): Use find_unreachable_blocks.
+ * basic-block.h (find_unreachable_blocks): Declare.
+
+ * dce.c (eliminate_dead_code): Fix formatting glitch.
+
+2001-06-18 Jason Merrill <jason_merrill@redhat.com>
+
+ * c-common.h (RETURN_NULLIFIED_P): New macro.
+ * c-semantics.c (genrtl_return_stmt): Check it.
+
+ * expr.c (clear_storage): Set TREE_NOTHROW on the decl for memset.
+ (emit_block_move): Likewise.
+
+Mon Jun 18 17:27:24 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * unroll.c: Include predict.h.
+ (unroll_loop): Drop prediction notes on preconditioning.
+ * predict.def (PRED_LOOP_PRECONDITIONG, PRED_LOOP_CONDITION):
+ New; add comments on the others.
+ * Makefile.in: (unroll.o): Add dependency on predict.h.
+ * loop.c (strength_reduce): Fix branch prediction.
+
+Mon Jun 18 17:26:56 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * stmt.c (emit_case_nodes): Optimize test whether index is in given
+ interval.
+
+Mon Jun 18 15:43:10 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * predict.c (estimate_probability): Do not bail out early
+ when note is present.
+ (combine_predictions_for_insn): Fix note removal code.
+
+2001-06-18 Ben Elliston <bje@redhat.com>
+
+ * except.c (resolve_fixup_regions): Initialize "cleanup".
+
+2001-06-17 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * tm.texi: Document STDC_0_IN_SYSTEM_HEADERS.
+
+Sat Jun 16 20:20:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * expr.c (expand_expr, case ADDR_EXPR): If taking address of SAVE_EXPR,
+ use put_var_into_stack.
+
+2001-06-16 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
+
+ * gccspec.c (lang_specific_driver): If compiling ObjC, add
+ -shared-libgcc when necessary.
+ * Makefile.in (gccspec.o): Compile with DRIVER_DEFINES.
+
+2001-06-16 Daniel Berlin <dan@cgsoftware.com>
+
+ * bitmap.h: Add dump_bitmap, bitmap_zero, bitmap_union_of_diffs,
+ bitmap_a_or_b, bitmap_a_and_b, bitmap_first_set_bit,
+ bitmap_last_set_bit. All for compatibility with sbitmap's.
+
+ *bitmap.c (bitmap_zero): New function.
+ (bitmap_union_of_diffs): New function.
+ (bitmap_first_set_bit): New function.
+ (bitmap_last_set_bit): New function.
+
+2001-06-16 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cpp.texi, invoke.texi: Update.
+ * cpp.1, gcc.1: Regenerate.
+
+Sat Jun 16 12:45:20 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * i386.md (minsf): Fix splitter. (PR fortran/3191)
+
+2001-06-16 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * doc/cpp.texi: Update.
+ * doc/cpp.1: Regenerate.
+
+2001-06-15 Loren J. Rittle <ljrittle@acm.org>
+
+ * doc/install.texi: Use correct markup hints.
+
+Fri Jun 15 18:05:22 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * function.c (gen_mem_addressof): Handle case where DECL is SAVE_EXPR.
+
+ * explow.c (expr_size): If DECL and size specified, use it.
+
+2001-06-15 Zack Weinberg <zackw@stanford.edu>
+
+ * doc/cpp.texi: Formatting corrections.
+ Correct buggy example of use of __GNUC__ etc.
+ Clarify $ in identifiers.
+ * doc/cpp.1: Regenerate.
+
+Fri Jun 15 19:35:38 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * optabs.c (expand_twoval_binop): Avoid undefined behavior.
+
+2001-06-15 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
+
+ * doc/install.texi (Specific, alpha*-*-*): Fixed Tru64 UNIX
+ etc. spelling.
+ (Specific, alpha-*-osf1): Renamed to alpha*-*-osf*.
+ Added Tru64 UNIX V5.1 bootstrap hints.
+ (Specific, alpha*-*-osf*): Removed old section, obsolete.
+
+2001-06-15 Andreas Jaeger <aj@suse.de>
+
+ * doc/install.texi (Specific): Mention that glibc cannot be
+ compiled with GCC 3.0.
+
+2001-06-14 Andrew Haley <aph@cambridge.redhat.com>
+
+ * combine.c (nonzero_bits): Don't optimize away division by
+ zero.
+
+2001-06-15 Zack Weinberg <zackw@stanford.edu>
+
+ * doc/cpp.texi: Revised and brought up to date.
+ * doc/cpp.1: Regenerate.
+
+2001-06-15 Loren J. Rittle <ljrittle@acm.org>
+
+ * doc/install.texi: Update --enable-threads to match reality.
+
+2001-06-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * doc/install.texi: Update for C4x.
+ * README.C4X: Remove.
+
+2001-06-14 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * doc/c-tree.texi, doc/contrib.texi, doc/extend.texi,
+ doc/gcc.texi, doc/install.texi, doc/invoke.texi, doc/md.texi,
+ doc/objc.texi, doc/rtl.texi, doc/tm.texi: Fix spelling and typos.
+ Consistently use "built-in" and "bit-field". Minor logical markup
+ improvements.
+ * doc/gcc.1: Regenerate.
+
+2001-06-14 Richard Henderson <rth@redhat.com>
+
+ * config/mips/mips.md (exception_receiver): New.
+
+2001-06-14 Daniel J. Berlin <dan@cgsoftware.com>
+
+ * doc/gcc.texi: Update passes documentation to be more in tune
+ with reality.
+
+Thu Jun 14 15:38:28 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * i386.c (ix86_expand_prologue): Fix merging conflict.
+
+2001-06-14 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * doc/c-tree.texi, doc/contrib.texi, doc/extend.texi,
+ doc/gcc.texi, doc/gcov.texi, doc/install-old.texi,
+ doc/invoke.texi, doc/md.texi, doc/rtl.texi, doc/tm.texi: Use more
+ logical markup. Use TeX quotes and dashes. Use @dots{} and
+ @minus{}. Avoid spaces inside @var. Update last modification
+ date in gcc.texi.
+ * doc/gcc.1, doc/gcov.1: Regenerate.
+
+Thu Jun 14 12:44:15 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * i386.c (x86_accumulate_outgoing_args, x86_prologue_using_move,
+ x86_epilogue_using_move): New global variables.
+ (override_options): Enable ACCUMULATE_OUTGOING_ARGS if preferred.
+ (ix86_emit_save_regs_using_mov): New static function.
+ (ix86_expand_prologue, ix86_expand_epilogue): Use moves if preferred.
+ * i386.h (MASK_MMX, MASK_SSE, MASK_SSE2, MASK_128BIT_LONG_DOUBLE,
+ MASK_MIX_SSE_I387): Renumber.
+ (MASK_NO_ACCUMULATE_OUTGOING_ARGS): New.
+ (x86_accumulate_outgoing_args, x86_prologue_using_move,
+ x86_epilogue_using_move): Declare.
+ (TARGET_PROLOGUE_USING_MOVE, TARGET_EPILOGUE_USING_MOVE): New.
+
+2001-06-13 John David Anglin <dave@hiauly1.hia.nrc.ca>
+
+ * inclhack.def (hpux10_cpp_pow_inline): New hack.
+
+2001-06-13 Richard Henderson <rth@redhat.com>
+
+ * ifcvt.c (dead_or_predicable): Fix return value last patch.
+
+2001-06-13 Mark Mitchell <mark@codesourcery.com>
+
+ * NEWS: Remove.
+
+2001-06-13 Richard Henderson <rth@redhat.com>
+
+ * ifcvt.c (cond_exec_get_condition): Use reversed_comparison_code.
+ (cond_exec_process_if_block, dead_or_predicable): Likewise.
+
+2001-06-13 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
+
+ * mips-tfile.c (copy_object): Always pass indexNil for symbol
+ table index.
+
+2001-06-13 Kazu Hirata <kazu@hxi.com>
+
+ * config/h8300/h8300.h (OK_FOR_T): Remove.
+ (EXTRA_CONSTRAINT): Do not use OK_FOR_T.
+ * config/h8300/h8300.md: Remove alternatives involving inc and dec
+ in the helper patterns for addhi3 and addsi3.
+
+2001-06-13 Phil Edwards <pme@sources.redhat.com>
+
+ * doc/contrib.texi: Link to libstdc++'s thanks.html for now.
+
+2001-06-13 Zack Weinberg <zackw@stanford.edu>
+
+ * Makefile.in: Move _bb and __gcc_bcmp to LIB2FUNCS_ST.
+ * libgcc-std.ver: Take out __bb* and __gcc_bcmp.
+
+ * config/t-slibgcc-elf-ver, config/t-slibgcc-sld,
+ config/alpha/t-osf4, config/mips/t-iris6: Extract all
+ references to @shlib_map_file@, @shlib_objs@, or
+ @shlib_base_name@ to Makefile variables.
+ Bump soname version of libgcc to 1.
+
+2001-06-13 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * doc/install.texi: Use more logical markup. Include @node
+ commands in the source when generating any non-HTML.
+
+2001-06-13 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * README: Remove. Some of the contents moved to ../README.
+
+2001-06-13 Alexandre Oliva <aoliva@redhat.com>
+
+ * doc/install.texi (--enable-shared): List package names
+ recognized by GCC.
+
+2001-06-13 Alexandre Oliva <aoliva@redhat.com>
+
+ * doc/install.texi (ix86-*-solaris*): Removed, outdated.
+ (*-*-solaris*): Document problem in /bin/sh that affects
+ configuring libraries.
+ (sparc-*-solaris*): Recommend GNU binutils 2.11.1 or vendor tools.
+ (*-sun-solaris2.8): Document linker problem that explains why
+ libjava is disabled by default.
+
+2001-06-09 Mark Mitchell <mark@codesourcery.com>
+
+ Revert this patch:
+ * toplev.c (rest_of_compilation): Remove dead code before
+ purge_addressof.
+
+2001-06-12 Alexandre Oliva <aoliva@redhat.com>
+
+ Reverted:
+ 2001-06-07 Nathan Sidwell <nathan@codesourcery.com>
+ * configure.in (sparc*-*-*): Check assembler R_SPARC_UA32 support.
+ * configure: Rebuilt.
+
+2001-06-12 Jim Wilson <wilson@redhat.com>
+
+ * loop.c (strength_reduce): Move bl->all_reduced set before
+ check_ext_dependant_givs call.
+ (check_ext_dependant_givs): Clear bl->all_reduced when ignoring givs.
+
+2001-06-12 Alexandre Oliva <aoliva@redhat.com>
+
+ * doc/extend.texi (Function Attributes): Document SH's sp_switch
+ and trap_exit.
+
+2001-06-13 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * doc/invoke.texi: Use more logical markup. Use TeX quotes,
+ dashes and @dots{}.
+
+2001-06-12 Richard Henderson <rth@redhat.com>
+
+ * config/i386/i386.c (ix86_expand_prologue): Always use
+ gen_pro_epilogue_adjust_stack; update arguments.
+ (ix86_expand_epilogue): Likewise.
+ (ix86_emit_epilogue_esp_adjustment): Remove.
+ (ix86_adjust_cost): Remove pro_epilogue_adjust_stack hack.
+ * config/i386/i386.md (pro_epilogue_adjust_stack): Use a BLKmode
+ clobber of scratch memory instead of a modification of EBP as the
+ barrier. Update all peepholes to match.
+
+2001-06-12 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * doc/gcc.texi: Change the font used for @def... commands to a
+ fixed width font.
+ * doc/extend.texi: Use more logical markup. Use "built-in"
+ instead of "builtin". Use @deftypefn to mark up built-in
+ functions; specify their types in the @deftypefn and not in the
+ descriptive text. Use TeX quotes and dashes. Add more index
+ entries.
+
+2001-06-12 lars brinkhoff <lars@nocrew.org>
+
+ * gcc.texi (HOST_BITS_PER_LONGLONG): Document.
+ (DIR_SEPARATOR_2): Likewise.
+
+2001-06-12 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * doc/install.texi (--exec-prefix, --bindir, --libdir,
+ --with-slibdir, --infodir, --mandir, --with-cpp-install-dir):
+ Document.
+ (--enable-cpp): Change to document --disable-cpp instead; update
+ to reflect current default.
+ (--without-fast-fixincludes): Remove documentation.
+ (Final install): Document installation directories in more
+ detail. Document use of make dvi.
+
+Tue Jun 12 19:01:43 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * recog.c (validate_replace_rtx_1): Fix previous patch.
+
+Tue Jun 12 17:25:39 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * recog.c (validate_replace_rtx_1): Do plus_constant call always.
+
+Tue Jun 12 17:24:07 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * simplify-rtx.c (simplify_subreg): Allow volatile memory
+ to be subregged in case we don't have move instruction.
+
+Tue Jun 12 12:20:12 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * loop.c: Include predict.h
+ (strength_reduce): Drop branch prediction note in case
+ number of iterations is known.
+ * predict.def (PRED_LOOP_ITERATIONS): new.
+ * Makefile.in (loop.o): Add dependency on predict.h
+
+2001-06-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * c-decl.c (grokdeclarator): Use INTEGRAL_TYPE_P.
+
+ * c-typeck.c (c_start_case): Likewise.
+
+2001-06-12 Mark Mitchell <mark@codesourcery.com>
+
+ * expr.c (store_field): Don't set MEM_ALIAS_SET for a field
+ in a structure at a variable address.
+
+2001-06-12 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * doc/gcov.texi: Use more logical markup.
+
+2001-06-11 Mark Mitchell <mark@codesourcery.com>
+
+ * unroll.c (initial_reg_note_copy): Use PUT_REG_NOTE_KIND and
+ REG_NOTE_KIND, not PUT_MODE and GET_MODE.
+ (final_reg_note_copy): Remove REG_WAS_0 notes that are no longer
+ valid.
+
+2001-06-11 Stan Shebs <shebs@apple.com>
+
+ * config/darwin.h (ASM_FILE_END): Remove decl of language_string.
+
+2001-06-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
+
+ * config/m68hc11/m68hc11.md ("*lshrdi3_const32"): Mark the clobber
+ as an early clobber to make sure it is not used by reload in
+ one of the operands.
+
+2001-06-11 Mark Mitchell <mark@codesourcery.com>
+
+ * doc/c-tree.texi: Update information about flag_honor_std.
+ * doc/install.texi: Note that binutils is required on HPUX 11.
+ * doc/invoke.texi (-fhonor-std): Note that -fno-honor-std is
+ now the default.
+
+ * config/mips/abi64.h (RETURN_IN_MEMORY): Fix handling of
+ variable-sized types.
+
+2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * doc/md.texi: Use TeX dashes and quotes.
+
+2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * doc/rtl.texi: Reference manual chapter about trees.
+
+2001-06-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
+
+ * config/mips/iris6.h (NO_BUILTIN_WINT_TYPE): Define.
+ (WINT_TYPE): Override.
+ (WINT_TYPE_SIZE): Likewise.
+ (SUBTARGET_CPP_SIZE_SPEC): Define __WINT_TYPE__ as appropriate.
+
+ * config/sparc/sol2.h (WINT_TYPE): Define.
+ (WINT_TYPE_SIZE): Likewise.
+
+ * config/sparc/sol2-sld-64.h (NO_BUILTIN_WINT_TYPE): Define.
+ (WINT_TYPE): Override.
+ (WINT_TYPE_SIZE): Likewise.
+ (CPP_ARCH32_SPEC): Add __WINT_TYPE__ definition.
+ (CPP_ARCH64_SPEC): Likewise.
+
+2001-06-11 Richard Henderson <rth@redhat.com>
+
+ * unwind-dw2-fde.c (__deregister_frame_info): Don't play games
+ with alias attribute.
+
+ * config/linux.h (CPLUSPLUS_CPP_SPEC): Use %(cpp) not $(cpp_cpu).
+ * config/alpha/linux.h (CPLUSPLUS_CPP_SPEC): Likewise.
+
+2001-06-11 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
+
+ * config/rs6000/linux.h (CPLUSPLUS_CPP_SPEC): New.
+
+2001-06-11 Stan Shebs <shebs@apple.com>
+
+ * config/darwin.c (darwin_encode_section_info): Rewrite to simplify
+ and fix coding mistakes.
+
+2001-06-11 Nick Clifton <nickc@cambridge.redhat.com>
+
+ * config/m32r/m32r.md (movstrsi_internal): Do not expect a
+ return string from m32r_output_block_move.
+ * config/m32r/m32r-protos.h: Make m32r_output_block_move a
+ void function.
+ * config/m32r/m32r.h (INT32_P): Rename to UNIT32_P and remove
+ integer overflow.
+ (ROUND_ADVANCE): Remove signed/unsigned conflict.
+ * config/m32r/m32r.c: Declare prototypes for static functions.
+ (move_src_operand): Replace INT32_P with UINT32_P.
+ (function_arg_partial_nregs): Fixed signed/unsigned conflict
+ in initialisation of 'size'.
+ (m32r_sched_reord): Remove redundant declarations of 'code'.
+ (m32r_output_block_move): Change to a void function.
+ (m32r_encode_section_info): Cast return of
+ TREE_STRING_POINTER to avoid compile time warning.
+
+2001-06-11 Richard Henderson <rth@redhat.com>
+
+ * config/alpha/osf5.h (TARGET_LD_BUGGY_LDGP): New.
+ * config/alpha/alpha.h (TARGET_LD_BUGGY_LDGP): Default.
+ (struct machine_function): Add gp_save_rtx.
+ * config/alpha/alpha.c (alpha_mark_machine_status): Mark it.
+ (alpha_gp_save_rtx): New.
+ * config/alpha/alpha-protos.h: Declare it.
+ * config/alpha/alpha.md (exception_receiver): Make an expander.
+ Use alpha_gp_save_rtx if TARGET_LD_BUGGY_LDGP.
+
+2001-06-11 Richard Henderson <rth@redhat.com>
+
+ * config/alpha/osf.h (LINK_SPEC): Hide _GLOBAL_* symbols.
+
+2001-06-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
+
+ * configure.in: Align --help messages.
+ Remove trailing full stops.
+ Consistently use lower case.
+ Fix DWARF 2 spelling.
+ * configure: Rebuilt.
+
+2001-06-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
+
+ * config/alpha/alpha.h (CPP_SPEC): Don't define __LANGUAGE_C and
+ variants for .cpp/.cp/.c++ files.
+ Move definition of __LANGUAGE_C_PLUS_PLUS ...
+ (CPLUSPLUS_CPP_SPEC): ... here.
+
+Mon Jun 11 15:47:45 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * jump.c (duplicate_loop_exit_test): Fix loop header heuristics.
+
+2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-decl.c (store_parm_decls): When comparing types in an
+ old-style function declaration with those from a previous
+ prototype, compare the unqualified versions of parameter types.
+ Fixes PR c/3116.
+
+2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * doc/objc.texi: Use more logical markup. Use TeX dashes.
+
+2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * doc/c-tree.texi: Use more logical markup.
+
+2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-decl.c (xref_tag): Don't return previous tags of wrong type.
+
+2001-06-11 Aldy Hernandez <aldyh@redhat.com>
+
+ * loop.c (scan_loop): Do not combine asm statements.
+
+2001-06-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * simplify-rtx.c (simplify_subreg): Fix offset calculation
+ for complex values within a CONCAT.
+
+2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * doc/install.texi: Update details of what components are included
+ in the GCC distribution. Update default directory for g++
+ includes. Update documentation relating to old libio. Adjust
+ documentation on DejaGnu environment variables. Remove
+ documentation of --enable-cpplib.
+
+2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * doc/contrib.texi: Fix alphabetical order. Fix typos. Improve
+ markup.
+
+2001-06-10 Richard Henderson <rth@redhat.com>
+
+ * ifcvt.c (life_data_ok): New.
+ (merge_if_block): Use it to determine whether to update
+ global_live_at_end.
+ (if_convert): Set it.
+
+2001-06-10 Richard Henderson <rth@redhat.com>
+
+ * config/alpha/osf5.h (ASM_OLDAS_SPEC): Add -c.
+
+2001-06-10 Alexandre Oliva <aoliva@redhat.com>
+
+ * doc/invoke.texi (MN10300 Options): Document -mno-crt0.
+ (SH Options): Document -mieee.
+ * doc/install.texi (Final install): Remove obsolete information
+ about installing cross compilers.
+ * doc/gcc.1: Rebuilt.
+
+2001-06-10 Richard Henderson <rth@redhat.com>
+
+ * config/alpha/alpha.c (override_options): Set align_loops,
+ align_jumps, and align_functions.
+ * config/alpha/alpha.h (FUNCTION_BOUNDARY): Set to 32 bits.
+ (LOOP_ALIGN, LABEL_ALIGN_AFTER_BARRIER): Remove.
+
+2001-06-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * emit-rtl.c (gen_lowpart_common): Do not assume that SFmode and DFmode
+ are one and two words in size.
+
+2001-06-10 Richard Henderson <rth@redhat.com>
+
+ * doc/invoke.texi (Optimization Options): Document -fpeephole2.
+ (Code Generation Options): Document -fnon-call-exceptions.
+
+2001-06-10 Mark Kettenis <kettenis@gnu.org>
+
+ * config/i386/gnu.h (MD_FALLBACK_FRAME_STATE_FOR): Undefine.
+
+2001-06-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
+
+ * m68hc11.md (peepholes): Remove unused and wrong peepholes.
+
+2001-06-10 Mark Mitchell <mark@codesourcery.com>
+ Gabriel Dos Reis <gdr@codesourcery.com>
+
+ * Makefile.in (c-parse.o): Depend on diagnostic.h
+ (dwarf2out.o): Likewise.
+
+ * dwarf2out.c: #include diagnostic.h
+
+ * toplev.h (warningcount, errorcount, sorrycount): Remove
+ declarations.
+
+ * toplev.c (warningcount, errorcount, sorrycount): Remove
+ definitions.
+
+ * diagnostic.h (struct output_buffer): Reorder fields.
+ (diagnostic_kind_count): New macro.
+ (errorcount, warningcount, sorrycount): Define as macros.
+ (diagnostic_report_warnings_p): New macro.
+ (output_state): Add diagnostic_count field.
+
+ * diagnostic.c (warningcount, errorcount, inhibit_warnings):
+ Remove tentative declaration.
+ (count_error): Use diagnostic_report_warnings_p.
+
+ * c-parse.in: #include diagnostic.h
+
+2001-06-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
+
+ * config/m68hc11/m68hc11.md ("extendhisi2"): Fix constraints to
+ prefer a memory for operand 1.
+ ("*addsi3"): Fix constraints, the '!' was too strong.
+ ("*addsi3_split"): Accept soft register and split accordingly.
+
+2001-06-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
+
+ * config/m68hc11/m68hc11-protos.h (m68hc11_initialize_trampoline):
+ Move definition in the RTX_CODE section.
+
+2001-06-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
+
+ * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Define the return
+ address as relative to the argument pointer.
+
+Sun Jun 10 10:58:53 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * predict.def (PRED_OPCODE): Place before call and error_return.
+
+Sun Jun 10 10:00:17 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * predict.def (PRED_CALL, PRED_ERROR_RETURN): New.
+ * predict.c (estimate_probability): Calculate dominance
+ information; improve detection of NORETURN heuristics;
+ add call/error_return heuiristics; tweak comparison heuristics
+ to recognize -1.
+
+2001-06-09 Alexandre Oliva <aoliva@redhat.com>
+
+ * doc/invoke.texi (C Dialect Options): Document -aux-info.
+ (Debugging Options): Document -print-multi-directory and
+ -print-multi-lib.
+ * doc/gcc.1: Rebuilt.
+
+ * toplev.c (independent_decode_option): Require `=' between
+ `-aux-info' and filename in the same argument.
+ * gcc.c: Don't pass -aux-info=filename twice.
+
+2001-06-09 Mark Mitchell <mark@codesourcery.com>
+
+ * expr.c (expand_expr, case ARRAY_REF): Do not replace
+ an array element with the known initializing value if it has
+ side-effects.
+
+ * toplev.c (rest_of_compilation): Remove dead code before
+ purge_addressof.
+
+2001-06-09 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cppinit.c (print_help): Document -fpreprocessed.
+ * invoke.texi: Similarly.
+
+Sun Jun 10 00:35:37 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * predict.def: New file.
+ * predict.h: New file.
+ * predict.c: Include predict.h.
+ (predictor_info): New structure and array.
+ (predict_edge, predict_insn): Rewrite; make global.
+ (predict_edge_def, predict_insn_def): New global functions.
+ (dump_prediction, combine_predictions_for_insns): New
+ static functions.
+ (estimate_probability): Change calls to predict_edge
+ to predict_edge_def and calls to predict_insn to predict_insn_def;
+ combine probabilities.
+ (expected_value_to_br_prob): Behave as predictor.
+ * rtl.h (REG_BR_PRED): Update coment.
+ (invert_br_probabilities): New.
+ * jump.c: Include predict.h
+ (duplicate_loop_exit_test): Drop branch prediction notes.
+ (invert_jump): Use invert_br_probabilities.
+ * Makefile.in: Add dependency on predict.h for jump and predict pass.
+ * ifcvt.c (dead_or_predicable): Use invert_br_probabilities.
+ * combine.c (distribute_notes): Handle BR_PRED.
+
+Sat Jun 9 23:29:41 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * predict.c (predict_insn, predict_edge): New static functions.
+ (estimate_probability): Revamp to use new functions;
+ fix loop header heruistics; add loop exist heruistics
+
+2001-06-09 Alexandre Oliva <aoliva@redhat.com>
+
+ * config.gcc: Re-enable bi-arch sparc on Solaris 7 and above.
+
+2001-06-09 Peter Jakubek <pjak@snafu.de>
+
+ * config/m68k/m68k.md (ashrdi_const): Fix right shift by 16.
+
+2001-06-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
+
+ * vax.h (NOTICE_UPDATE_CC): Set CC_NO_OVERFLOW in cc_status.flags
+ for integer operations that don't update C bit.
+
+2001-06-09 Nicola Pero <nicola@brainstorm.co.uk>
+
+ * gthr-posix.h (__gthread_objc_init_thread_system): If
+ pthread_key_create fails, it's not clear what the return value is.
+ This obvious fix makes sure it always returns -1 if a problem
+ occurs.
+
+2001-06-09 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * doc/gcc.texi: Use @defcodeindex for the index of options. Add
+ more index entries. Use more logical markup where appropriate.
+ Use TeX quotes and dashes.
+
+2001-06-09 Benjamin Kosnik <bkoz@redhat.com>
+
+ * unwind-pe.h: Conditionally qualify references to abort with
+ std::.
+
+2001-06-09 Julian Foad <julian_foad@hotmail.com>
+
+ * doc/invoke.texi: Remove superfluous text.
+
+2001-06-08 Richard Henderson <rth@redhat.com>
+
+ * config/alpha/linux.h (CPLUSPLUS_CPP_SPEC): New.
+ (LIB_SPEC): Mirror config/linux.h version.
+
+2001-06-08 Richard Henderson <rth@redhat.com>
+
+ * except.c (get_exception_pointer, get_exception_filter): Take a
+ struct function. Update all callers.
+ * except.h (get_exception_pointer): Update declaration.
+ * expr.c (expand_expr): Update get_exception_pointer call.
+ * integrate.c (expand_inline_function): Remap the exception pointer
+ from callee to caller.
+
+2001-06-08 Mark Mitchell <mark@codesourcery.com>
+
+ * c-decl.c (grokdeclarator): Make the TREE_TYPE for declarations
+ accurately reflect its cv-qualification.
+ * c-typeck.c (type_lists_compatible_p): Ignore the top-levl
+ cv-qualifiers on function types.
+
+2001-06-08 Mark Mitchell <mark@codesourcery.com>
+
+ * basic-block.h: Improve comments.
+ * except.c (expand_eh_region_end_allowed): Remove redundant call
+ to do_pending_stack_adjust.
+ * flow.c (life_analysis): Fix typo in comment.
+ (calculate_global_regs_live): Add documentation.
+ (mark_set_1): Likewise.
+ (debug_regset): Likewise.
+ * doc/rtl.texi (cond_exec): Document it.
+
+Fri Jun 8 21:52:51 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * i386.h (CONST_COSTS): set cost of constants representable in
+ immediate fields to 0.
+
+Fri Jun 8 21:34:54 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * function.c (diddle_return_value): Kill code to determine
+ return value before expand_function_end.
+ (expand_function_end): Delay call to clobber_return_register
+ after fucntion return value is computed.
+
+ Re-install temporary reverted patch:
+ * toplev.c (rest_of_compilation): Call split_all_insns
+ before reg-stack and shorten-branches. Do shorten-branches
+ after reg-stack.
+ * final.c (shorten_branches): Remove insn splitting code.
+
+2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * doc/gcc.texi, doc/invoke.texi: Add index of command line
+ options. Use @opindex to index them rather than other indexing
+ commands. Use @var{...} instead of <...>. Avoid spaces in names
+ inside @var. Don't use @kindex to index escape sequences in
+ source code.
+
+2001-06-08 Jason Merrill <jason_merrill@redhat.com>
+
+ * stmt.c (current_nesting_level): New fn.
+ * tree.h: Declare it.
+ * c-semantics.c (genrtl_compound_stmt): Use it.
+
+ * dbxout.c (dbxout_symbol): Use DECL_RTL_SET_P.
+
+2001-06-08 Jakub Jelinek <jakub@redhat.com>
+
+ * jump.c (mark_modified_reg): Allow jump threading if condition
+ codes are represented by a hard register.
+
+2001-06-08 Jakub Jelinek <jakub@redhat.com>
+
+ * config/ia64/ia64.c (ia64_function_arg): Use [SDT]Fmode as gr_mode
+ for complex floats passed to unprototyped functions.
+
+2001-06-08 Mark Mitchell <mark@codesourcery.com>
+
+ * except.c (expand_eh_region_end_allowed): Call
+ do_pending_stack_adjust as necessary.
+
+Fri Jun 8 14:16:33 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * function.c (clobber_return_register): Clobber the pseudo return
+ register too.
+
+ * sibcall.c (skip_unreturned_value): New function.
+ (call_ends_block_p): Use it.
+
+ * recog.c (split_insn): Break out from ...
+ (split_all_insns): ... here; do not use basic block information
+ when it is broken.
+
+Thu Jun 7 18:27:53 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * simplify-rtx.c (simplify_subreg): Fix verification of
+ combined subreg.
+
+2001-06-08 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
+
+ * config/mips/mips.h (CPP_SPEC): Simplify .s/.S handling.
+ Don't define _LANGUAGE_C and variants for .cpp/.cp/.c++ files.
+ Move definition of _LANGUAGE_C_PLUS_PLUS ...
+ (CPLUSPLUS_CPP_SPEC): ... here.
+ Fixes PRs c++/3047, target/441.
+
+2001-06-08 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
+
+ * doc/install.texi2html (MAKEINFO): Keep value if set already.
+
+2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * doc/gcc.texi: Add trailing slash to URL.
+
+2001-06-07 Stan Shebs <shebs@apple.com>
+
+ * config/darwin.h (ENCODE_SECTION_INFO): Define.
+ (REDO_SECTION_INFO_P): Ditto.
+ (STRIP_NAME_ENCODING): Ditto.
+ (ASM_DECLARE_OBJECT_NAME): Use ENCODE_SECTION_INFO.
+ (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Ditto.
+ (ASM_OUTPUT_LABELREF): Use STRIP_NAME_ENCODING.
+ (GEN_LAZY_PTR_NAME_FOR_SYMBOL): Ditto.
+ * config/darwin.c: No longer include c-tree.h.
+ (machopic_classify_ident): Rewrite to use symbol encoding.
+ (lookup_name_darwin): Remove.
+ (machopic_non_lazy_ptr_name): Handle encoded symbols.
+ (machopic_stub_name): Use STRIP_NAME_ENCODING.
+ (machopic_validate_stub_or_non_lazy_ptr): Ditto.
+ (machopic_finish): Ditto, remove test of decl.
+ (update_non_lazy_ptrs): New function.
+ (darwin_encode_section_info): New function.
+ * config/darwin-protos.h: Declare it.
+ * config/rs6000/rs6000.c (machopic_output_stub): Use
+ STRIP_NAME_ENCODING.
+
+2001-06-07 Mark Mitchell <mark@codesourcery.com>
+
+ * tree.h (DECL_SOURCE_FILE): Improve documentation.
+ (DECL_SOURCE_LINE): Likewise.
+
+2001-06-07 Loren J. Rittle <ljrittle@acm.org>
+
+ * config/alpha/elf.h (MAKE_DECL_ONE_ONLY): Copy definition
+ from config/elfos.h.
+
+2001-06-07 Phil Edwards <pme@sources.redhat.com>
+
+ * linux.h (CPLUSPLUS_CPP_SPEC): Move -D_GNU_SOURCE to here.
+ * pa/pa-linux.h: Allow CPLUSPLUS_CPP_SPEC to remain.
+
+2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * doc/contrib.texi: Add copyright notice.
+
+2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * doc/md.texi: Use four digit years in copyright notice.
+
+2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * config.gcc: For $target_alias of athlon-*, set
+ target_cpu_default2=5.
+
+Thu Jun 7 16:17:40 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * global.c (build_insn_chain): Allow ADDR_VEC or ADDR_DIF_VEC after
+ end of last block if last real insn is a JUMP_INSN.
+
+2001-06-07 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * NEWS: Regenerate.
+
+2001-06-07 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
+
+ * gthr-posix.h (__gthread_objc_thread_detach): Simply cast
+ pthread_t to objc_thread_t.
+ (__gthread_objc_thread_id): Likewise.
+
+2001-06-07 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
+
+ * alpha/osf5.h (CPP_XFLOAT_SPEC): Override default definition.
+ (ASM_OLDAS_SPEC): Likewise.
+
+ * alpha/osf.h (CPP_XFLOAT_SPEC): Define.
+ (CPP_SUBTARGET_SPEC): Use it.
+ (ASM_OLDAS_SPEC): Define.
+ (ASM_SPEC): Use it.
+ (SUBTARGET_EXTRA_SPECS): Define, declare the new specs above.
+
+2001-06-07 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
+
+ * config/alpha/alpha.c (alpha_va_arg): Handle TFmode, TCmode args,
+ passed by reference.
+
+2001-06-07 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * doc/tm.texi (TARGET_SWITCHES, TARGET_OPTIONS): Adjust markup.
+ Document use of N_(...), and show it in examples. Note that
+ documentation should be added to invoke.texi. Avoid an overfull
+ hbox.
+
+Thu Jun 7 17:09:50 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * toplev.c (rest_of_compilation): Revert previous patch.
+ * final.c (shorten_branches): Likewise.
+
+2001-06-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
+
+ * pself.c, pself1.c, pself2.c, pself3.c, pself4.c, pself5.c:
+ Remove.
+
+2001-06-07 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * doc/install-old.texi: Remove more obsolete documentation.
+
+Thu Jun 7 13:20:14 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * expr.c (copy_blkmode_from_reg): Fix operand_subword_force call.
+
+Thu Jun 7 12:12:58 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * toplev.c (rest_of_compilation): Call split_all_insns
+ before reg-stack and shorten-branches. Do shorten-branches
+ after reg-stack.
+ * final.c (shorten_branches): Remove insn splitting code.
+
+2001-06-07 Nathan Sidwell <nathan@codesourcery.com>
+
+ * configure.in (sparc*-*-*): Check assembler R_SPARC_UA32 support.
+ * configure: Rebuilt.
+
+2001-06-07 Andreas Jaeger <aj@suse.de>
+
+ * emit-rtl.c (operand_subword): Remove unused variable.
+
+Wed Jun 6 14:51:05 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * i386.md (floatdi?f): Avoid usinf of SSE instructions
+ if TARGET_64BIT is false.
+ (floatdi?f_i386_only): New insn.
+ (floatdi?f_i386): Disable for !TARGET_64BIT.
+
+ * (min?f, max?f splitters): Handle case where
+ operands are cross-matched.
+
+ * i386.h (HI_REGISTER_NAMES): Remove redundant definition
+ (MMX_REGISTER_NAMES): Kill.
+ (PRINT_OPERAND): Fix comment.
+ (PRINT_REG): Likewise.
+ * i386.c (print_reg): Kill support for 'm' CODE; simplify.
+ (print_operand): Update comment; kill 'm'.
+
+ * i386.c (x86_branch_hints): New global variable
+ (print_operand): Support outputting of branch prediction hints.
+ * i386.md (conditional jump patterns): Add branch prediction hints
+ to the template.
+ * i386.h (x86_branch_hints): Declare
+ (TARGET_BRANCH_PREDICTION_HINTS): New macro.
+ (PRINT_OPERAND_FUNCT_VALID_P): New.
+ * final.c (final_forward_branch_p): New function.
+
+2001-06-06 Richard Henderson <rth@redhat.com>
+
+ * flow.c (mark_used_reg): Clean up looping over multiple hard
+ registers. Do conditional life bits across multiple hard regs.
+
+2001-06-05 Jeffrey D. Oldham <oldham@codesourcery.com>
+
+ * reload1.c (reload): Revert Schmidt's change so all USEs are not
+ deleted during reload.
+
+2001-06-05 Mark Mitchell <mark@codesourcery.com>
+
+ * c-semantics.c (genrtl_scope_stmt): Write out nested inline
+ functions here, instead of ...
+ * c-decl.c (c_expand_body): ... here.
+
+2001-06-05 David O'Brien <obrien@FreeBSD.org>
+
+ * config.gcc, config/sparc/bsd.h: Do not directly include
+ sparc/sparc.h. Instead do it via tm_file.
+
+2001-06-05 Richard Henderson <rth@redhat.com>
+
+ * dwarf2.h (DW_EH_PE_aligned): New.
+ * dwarf2asm.c (eh_data_format_name): Name it.
+ (dw2_asm_output_encoded_addr_rtx): Align for it.
+ * dwarf2out.c (output_call_frame_info): Handle it for personality
+ routine and LSDA pointers.
+
+ * unwind-pe.h (DW_EH_PE_aligned): New.
+ (base_of_encoded_value): Handle it.
+ (read_encoded_value_with_base): Likewise.
+ * unwind-dw2-fde.c (base_from_object): Likewise.
+ (get_cie_encoding): Likewise.
+
+ * config/alpha/elf.h: Remove ecoff commentary.
+ * config/alpha/osf.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
+
+2001-06-05 David O'Brien <obrien@FreeBSD.org>
+
+ * config.gcc, config/i386/bsd386.h: Do not directly include
+ i386/386bsd.h. Instead do it via tm_file.
+
+2001-06-05 David O'Brien <obrien@FreeBSD.org>
+
+ * elfos.h (USING_ELFOS_H): Identify the use of elfos.h in the same
+ way svr4.h does.
+
+2001-06-05 Pascal Obry <obry@act-europe.fr>
+
+ * configure.in: Quote $enable_win32_registry in case the value has
+ spaces in it.
+ * configure: Ditto.
+
+2001-06-05 Mark Mitchell <mark@codesourcery.com>
+
+ * print-rtl.c (xspaces): Remove.
+ (print_rtx): Use printf field-width, rather than xpsaces, to
+ indent.
+ * toplev.c (main): Disable sibling-call optimization if we are
+ handling exceptions.
+
+2001-06-05 Bernd Schmidt <bernds@redhat.com>
+
+ * reload1.c (reload): Delete all USEs generated during reload.
+
+2001-06-05 scott snyder <snyder@fnal.gov>
+
+ * gccbug.in: Fix typo.
+
+2001-06-05 Andreas Jaeger <aj@suse.de>
+
+ * builtins.def: Fix definition of __builtin_cosf, it uses float as
+ parameter and return value.
+
+2001-06-04 Anthony Green <green@redhat.com>
+
+ * config/sparc/elf.h (CPP_PREDEFINES): Don't assert cpu or
+ machine. This is now done in sparc.h.
+
+2001-06-05 Nathan Sidwell <nathan@codesourcery.com>
+
+ Correct CVS resurrection of invoke.texi.
+ * doc/invoke.texi: Document new tree dump flags.
+
+2001-06-05 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-typeck.c (build_c_cast): Use TYPE_MAIN_VARIANT when checking
+ for casting an aggregate to its own type. Fixes PR c/2735.
+
+2001-06-05 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * doc/texinfo.tex: Update to version 2001-05-24.08.
+
+2001-06-05 Nathan Sidwell <nathan@codesourcery.com>
+
+ * c-common.h (flag_dump_translation_unit): Remove.
+ (enum tree_dump_index): Define.
+ (TDF_ADDRESS, TDF_SLIM): New #defines.
+ (dump_node_to_file): Remove.
+ (dump_node): Make extern. Add flags.
+ (dump_flag, dump_enabled_p, dump_begin, dump_end,
+ dump_switch_p): Prototype.
+ * c-common.c (flag_dump_translation_unit): Remove.
+ * c-decl.c (c_decode_option): Remove -fdump-translation-unit
+ logic. Use dump_switch_p.
+ * c-dump.h (struct dump_info): Add node and user fields.
+ (dump_pointer): Declare.
+ * c-dump.c (dump_node): Make extern. Add flags.
+ (SOL_COLUMN, EOL_COLUMN, COLUMN_ALIGNMENT): New #defines.
+ (dump_new_line, dump_maybe_newline): Use them.
+ (dump_pointer): New function.
+ (dequeue_and_dump): Check TDF_SLIM before dumping a _DECL's
+ chain or function's body. Dump address, if TDF_ADDRESS set.
+ (dump_flag): Define.
+ (dump_node_to_file): Remove.
+ (struct dump_file_info): New struct.
+ (dump_files): New array.
+ (dump_begin, dump_end, dump_enabled_p, dump_switch_p): Define.
+ * c-lang.c (finish_file): Adjust dumping.
+ * toplev.h (dump_base_name): Make extern.
+ * invoke.texi: Document new flags.
+
+2001-06-04 Mark Mitchell <mark@codesourcery.com>
+
+ * c-tree.h (lang_decl): Add pending_sizes fields.
+ * c-decl.c (store_parm_decls): Save pending_sizes away for nested
+ functions.
+ (c_expand_body): Expand them.
+ (lang_mark_tree): Mark lang_decl:pending_sizes.
+ * function.c (expand_pending_sizes): New function, broken out
+ from ...
+ (expand_function_start): ... here.
+ * tree.h (expand_pending_sizes): Declare it.
+
+2001-06-04 Loren J. Rittle <ljrittle@acm.org>
+
+ * doc/install.texi: Update FreeBSD information. Generalize
+ and update information for alpha-based platforms using ELF.
+
+2001-06-04 John David Anglin <dave@hiauly1.hia.nrc.ca>
+
+ * c-decl.c (get_parm_info): Use INTEGRAL_TYPE_P.
+ (store_parm_decls): Likewise.
+ * c-typeck.c (convert_arguments): Likewise.
+
+2001-06-04 Richard Henderson <rth@redhat.com>
+
+ * sibcall.c (optimize_sibling_and_tail_recursive_call): Suppress
+ optimization if current_function_calls_setjmp.
+
+2001-06-04 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * doc/c-tree.texi: Fix documentation of TREE_STRING_LENGTH for
+ wide strings.
+
+Mon Jun 4 20:44:25 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * simplify-rtx.c (simplify_subreg): Fix combining of
+ paradoxical subregs.
+
+Mon Jun 4 20:15:25 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * rtlanal.c (rtx_unsable_p): ADDRESSOF is stable.
+ (no_labels_between_p): Short circuit case beg==end.
+
+Mon Jun 4 20:03:05 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * rtlanal.c (operand_preference): Fix preference for objects.
+
+Mon Jun 4 20:00:40 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * gcse.c (handle_avail_expr): Be prepared to handle single_set
+ parallels.
+
+Mon Jun 4 19:59:46 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * combine.c (if_then_else_cond): Use simplify_subreg instead
+ of operand_subword.
+ * integreate.c (sub_constants): Likewise.
+
+Mon Jun 4 19:59:12 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * emit-rtl.c (constant_subword): Deprecate; remove most of code
+ and use simplify_gen_subreg.
+
+Mon Jun 4 19:55:23 CEST 2001 Lars Brinkhoff <lars@nocrew.org>
+
+ * sibcall.c (skip_copy_to_return_value): recognize the situation
+ when the called function's return value is copied into an
+ intermediate pseudo, and then into the calling functions return
+ value register.
+
+Mon Jun 4 16:50:33 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * simplify_rtx.c (simplify_subreg): Keep subregs on return values,
+ check CLASS_CANNOT_CHANGE_MODE before avoiding subreg on hard reg,
+ in case register wasn't OK previously, accept it now; allow
+ subregs of frame pointer if reload completed and frame pointer
+ is not needed.
+
+ * combine.c (sombine_simplify_rtx): Fix comment;
+ use subreg_lowpart_offset instead of subreg_lowpart_p
+ (gen_lowpart_for_combine): Use subreg_lowpart_offset.
+ * rtl.h (subreg_lowpart_parts_p): Kill.
+ (subreg_lowpart_offset, subreg_highpart_offset): Declare.
+ * simplify-rtx.c (simplify_subreg): Use subreg_lowpart_offset.
+ * emit-rtl.c (gen_lowpart_SUBREG): Use subreg_lowpart_offset;
+ (gen_lowpart_common): Likewise.
+ (subreg_lowpart_p): Likewise.
+ (subreg_lowpart_parts_p): Kill.
+ (subreg_lowpart_offset, subreg_highpart_offset): New function.
+
+ * emit-rtl.c (gen_lowpart_common): Use simplify_gen_subreg
+ to simplify SUBREG and REG.
+ (gen_highpart): Use simplify_gen_subreg for all simplifications.
+
+ * emit-rtl.c (gen_realpart, gen_imagpart): Do not handle
+ CONCAT specially.
+
+ * rtlanal.c (replace_regs): Use simplify_gen_subreg
+
+Mon Jun 4 09:21:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * doc/c-tree.texi (ARRAY_REF): Say what type of expression must be.
+ (ARRAY_RANGE_REF): Added description.
+
+ * tree.def (ARRAY_RANGE_REF): New code.
+ * alias.c (handled_component_p, can_address_p): Handle it.
+ * dwarf2out.c (loc_descriptor_from_tree): Likewise.
+ * explow.c (set_mem_attributes): Likewise.
+ * expr.c (expand_assignment, get_inner_reference): Likewise.
+ (expand_expr, expand_expr_unaligned, do_jump): Likewise.
+ * fold-const.c (operand_equal_p): Likewise.
+ * tree.c (staticp, stabilize_reference): Likewise.
+ * varasm.c (decode_addr_const): Likewise.
+
+Sun Jun 3 21:59:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * reload.c (reload_inner_reg_of_subreg): Return 1 for PLUS.
+ (push_reload): Handle non-REG in reload_inner_reg_of_subreg case.
+
+2001-06-03 kaz Kojima <kkojima@rr.iij4u.or.jp>
+
+ * gcc/config/sh/sh.c (print_operand_address, print_operand): Call
+ mark_constant_pool_use before output_addr_const.
+ (struct pool_node): New field wend.
+ (add_constant): Note a sequence of constants that are referenced
+ by a given label.
+ (pool_window_label, pool_window_last): New variables.
+ (dump_table): Emit a unspec_volatile representing the end of a
+ sequence of constants.
+ (mark_constant_pool_use): New function.
+ * gcc/config/sh/sh.md (UNSPECV_WINDOW_END): New constant.
+ (consttable_2): Add the second operand which flags whether
+ this consttable entry was used or not.
+ (consttable_4, consttable_8, consttable_sf, consttable_df):
+ Likewise.
+ (consttable_window_end): New insn.
+
+2001-06-03 Alexandre Oliva <aoliva@redhat.com>
+
+ * insn-addr.h (INSN_ADDRESSES_NEW): Make insn_uid__ unsigned.
+ Reformat according to coding standards.
+
+ Warning removal.
+ * config/sh/sh.c (print_operand_address): Cast INTVAL to int.
+ (shl_and_kind): Cast wide constant.
+ (gen_far_branch): Define as static, as in declaration.
+ (barrier_align): Compute cache-line length as unsigned. Add
+ parentheses in initial credit computation.
+ (rounded_frame_size): Add parentheses.
+ (permanent_obstack): Remove declaration. Include ggc.h for
+ declaration of ggc_add_root_rtx().
+ (get_free_reg): Removed declaration of unused variable reg.
+ (legitimize_pic_address): Mark mode argument as unused.
+
+2001-06-03 Igor Shevlyakov <igor@windriver.com>
+
+ * config/sh/sh.c (output_branch): Support for insn with lenght
+ attr 12 & 16 which represents cond branches outside +-4096 range.
+
+2001-06-03 Alexandre Oliva <aoliva@redhat.com>
+
+ * config/sh/lib1funcs.asm (ic_invalidate): Align the
+ cache-mirroring sequence. Add nops.
+
+2001-06-03 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * doc/install-old.texi: Remove more old installation
+ documentation.
+ * doc/install.texi: Add relevant parts here.
+
+2001-06-03 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
+
+ * doc/install.texi2html: New script.
+
+2001-06-03 David Edelsohn <edelsohn@gnu.org>
+
+ * doc/install.texi: Update AIX information again.
+
+2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * doc/gcc.texi, doc/install-old.texi: Remove old system-specific
+ installation documentation.
+ * doc/install.texi: Move it to here.
+
+2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * doc/install.texi: Clean up Texinfo markup.
+
+2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi: Move contents
+ to just after title page.
+
+2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * doc/install-old.texi: Remove documentation of some configuration
+ options.
+ * doc/install.texi: Add relevant parts of this documentation here.
+
+2001-06-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
+
+ * contrib.texi: Updated entries for Mark Mitchell, Joseph S. Myers,
+ Gerald Pfeifer, Bernd Schmidt, and Dean Wakerley.
+
+Sat Jun 2 12:23:51 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * i386.md (all uses of ext_register_operand): Make sure they are
+ VOIDmode; replace all uses outside zero_extend.
+ (and?i splitters): Use ext_register_operands.
+ (test?i peep2): Remove ignored constraints.
+ * i386.c (ext_register_operand): Check that operand is
+ either pseudo or hard or 'Q' register.
+
+Sat Jun 2 06:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * tree.h (struct record_layout_info_s): New field unpadded_align.
+ (set_lang_adjust_rli): New declaration.
+ * stor-layout.c (layout_decl): If DECL is packed, but at alignment
+ it would have if not packed, do not downgrade DECL_ALIGN.
+ (lang_adjust_rli, set_lang_adjust_rli): New.
+ (start_record_layout): Initialize new field unpadded_align.
+ (debug_rli): Display it.
+ (place_union_field, place_field): Set it.
+ (layout_type, case RECORD_TYPE): Call via lang_adjust_rli if set.
+
+ * print-tree.c (print_node): Don't print "regdecl" when bit doesn't
+ mean that; use proper names instead.
+ Print DECL_NO_STATIC_CHAIN.
+
+ * except.c (expand_builtin_frob_return_addr): Add missing call
+ to convert_memory_address #ifdef POINTERS_EXTEND_UNSIGNED.
+ (expand_builtin_eh_return): Likewise.
+ (expand_eh_return): Clean up ptr_mode != Pmode cases.
+
+2001-06-01 Jan van Male <jan.vanmale@fenk.wau.nl>
+
+ * doc/invoke.texi: Remove references to papers about sequence points
+ to readings.html, refer to that page.
+
+2001-06-01 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
+
+ * README: Update references to installation instructions.
+
+2001-06-01 Laurent Guerby <guerby@acm.org>
+ Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
+
+ * doc/install.texi: Define srcdir when sources come from CVS.
+ Significantly improve markup. Wrap overly long lines
+
+2001-06-01 DJ Delorie <dj@redhat.com>
+
+ * c-tree.texi, contrib.texi, cpp.texi, cppinternals.texi,
+ extend.texi, fdl.texi, gcov.texi, invoke.texi, md.texi,
+ objc.texi, rtl.texi, tm.texi, texinfo.tex, gcc.1, cpp.1,
+ gcov.1: Move to doc subdirectory.
+ * install.texi: Move to doc/install-old.texi.
+ * gcc.texi: Move to doc, refer to install-old.texi.
+ * Makefile.in: Reflect move of docs to doc/.
+ * f/Make-lang.in: Ditto.
+ * java/Make-lang.in: Ditto.
+ * doc/.cvsignore: New.
+
+2001-05-31 Jan van Male <jan.vanmale@fenk.wau.nl>
+
+ * invoke.texi: use two spaces between command options, eliminate
+ some 'overfull hboxes'
+
+2001-06-01 Hans-Peter Nilsson <hp@axis.com>
+
+ * Makefile.in (s-mlib): Make backtick-commands always succeed.
+ (DRIVER_DEFINES): Ditto.
+
+2001-05-31 Richard Henderson <rth@redhat.com>
+
+ * gcc.c (init_gcc_specs): When linking against libgcc_s.so,
+ also link against libgcc.a.
+
+2001-05-31 Geoff Keating <geoffk@cygnus.com>
+
+ * config/mips/mips.h (ASM_OUTPUT_ASCII): Convert to function.
+ * config/mips/mips.c (mips_output_ascii): New function.
+ * config/mips/mips-protos.h (mips_output_ascii): Prototype.
+
+ * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Force to 4.
+
+Thu May 31 19:09:53 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * flow.c (set_block_for_new_insns): Remove bogus shortcut.
+ * i386.c (ix86_expand_int_movcc): Force one of operands to be register.
+
+2001-05-31 Rodney Brown <rbrown64@csc.com.au>
+
+ * install.texi (Configuration): Add html links for --with-gnu-as &
+ --with-gnu-ld and refer to them from hppa & SCO triplets.
+ (Specific): Link back to with-gnu-ld for all ELF platfoms.
+ (Specific): Reword AVR binutils recommendation.
+
+2001-05-30 Zack Weinberg <zackw@stanford.edu>
+
+ * ggc-page.c (size_lookup): Increase minimum allocation size
+ to eight bytes.
+ (ggc_print_statistics): Report size of each bin in bytes, not
+ as its order; there is no longer a direct relationship.
+
+2001-05-31 Jan van Male <jan.vanmale@fenk.wau.nl>
+
+ * extend.texi: Fix formating of examples, eliminate some
+ 'overfull hboxes'.
+ * gcc.texi: Eliminate some 'overfull hboxes'.
+ * invoke.texi: Use two spaces between command options, eliminate
+ some 'overfull hboxes'.
+
+2001-05-30 Richard Henderson <rth@redhat.com>
+
+ * dwarf2out.c (dwarf2out_finish): Don't emit DW_AT_stmt_list at -g1.
+
+2001-05-30 Tom Tromey <tromey@redhat.com>
+
+ * gcc.c (do_spec_1): In `%O' case, if we computed saved_suffix,
+ use it in the new association.
+
+2001-05-30 Loren J. Rittle <ljrittle@acm.org>
+ John David Anglin <dave@hiauly1.hia.nrc.ca>
+
+ * gthr-posix.h (__gthread_active_ptr): Cast function pointer
+ to target type to allow ISO C++ compiler to accept it.
+ * gthr-dce.h (__gthread_active_ptr): Likewise.
+ * gthr-solaris.h (__gthread_active_ptr): Likewise.
+
+2001-05-30 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cpplex.c (_cpp_lex_token): Revert patch of 16 May 2001
+ so that we do accept comments in preprocessed input.
+
+2001-05-30 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cpphash.c (alloc_node): Cast allocated pointer.
+
+2001-05-30 Gordon Sadler <gbsadler1@lcisp.com>
+
+ * invoke.texi (Option Summary): Remove -isystem-c++ from options.
+
+2001-05-29 Stan Shebs <shebs@apple.com>
+
+ * gcc.texi: Add links for information about Objective-C.
+
+2001-05-29 Nathan Sidwell <nathan@codesourcery.com>
+
+ * configure.in (gcc_version): Remove unrequired \ on ". (Solaris
+ /bin/sed fails on [^\"]).
+ (configargs.h): Likewise.
+
+2001-05-29 Hartmut Schirmer <SchirmerH@Innovative-Systems.de>
+
+ * config/sh/sh.h (IDENT_ASM_OP): End with TAB, not LF.
+
+2001-05-28 Stan Shebs <shebs@apple.com>
+
+ * objc/objc.gperf: Remove, no longer used.
+
+2001-05-28 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-tree.texi, contrib.texi, cpp.texi, extend.texi, gcc.texi,
+ gcov.texi, install.texi, md.texi, objc.texi, rtl.texi, tm.texi:
+ Remove trailing whitespace.
+
+2001-05-28 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
+
+ * doc/install.texi (Specific): http://reality.sgi.com/ariel/freeware/
+ became http://freeware.sgi.com/.
+
+2001-05-27 Geoffrey Keating <geoffk@redhat.com>
+
+ * local-alloc.c (update_equiv_regs): Don't eliminate constant
+ expressions at -O0.
+
+2001-05-27 Stan Shebs <shebs@apple.com>
+
+ * objc/objc-act.c: Add/fix various comments.
+ (init_selector): Remove, no longer used.
+ (build_msg_pool_reference): Ditto.
+ (objc_debug): Ditto.
+
+2001-05-27 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * c-decl.c (init_decl_processing):
+ Don't call start_identifier_warnings.
+ * flags.h (warn_id_clash, id_clash_len): Remove.
+ * stringpool.c: Don't include flags.h.
+ (scan_for_clashes, do_identifier_warnings,
+ start_identifier_warnings): Remove.
+ * toplev.c (warn_id_clash, id_clash_len): Remove.
+ (display_help): Don't document -Wid-clash.
+ (decode_W_option): Print warning on -Wid-clash.
+ * tree.h (start_identifier_warnings): Remove.
+ * invoke.texi: Remove documentation of -Wid-clash.
+
+2001-05-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * fixinc/fixtests.c: Declare entries in ENV_TABLE.
+
+2001-05-27 Bruce Korb <bkorb@gnu.org>
+
+ * fixinc/check.tpl(HACK) add and use a Scheme variable
+ (has no test text): error out if no "test_text" is defined
+ * fixinc/fixincl.tpl: likewise
+ (FIXIDX): make it an enumeration so we minimize diffs
+ * fixinc/inclhack.def: re-alphabetize and add sort instructions
+ * fixinc/fixincl.x: regenerate
+ * fixinc/tests/base/stdio.h: test output got moved due to
+ the alphabetizing
+ * README-fixinc: rewrite (mostly)
+
+2001-05-27 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cpplib.c (run_directive): Set pfile->directive.
+
+2001-05-23 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
+
+ * c-tree.texi: Reformat the manual as a single chapter now
+ included by gcc.texi.
+ * gcc.texi: Include c-tree.texi. Merge all indexes.
+ * Makefile.in (dvi): Add generation for the cppinternals
+ documentation. Added dependencies on fdl.texi and c-tree.texi
+ where appropriate. Use TEXI2DVI instead of custom tex calls.
+ (info): Added dependencies on fdl.texi and c-tree.texi where
+ appropriate. Remove the target c-tree.info.
+
+2001-05-27 Lars Brinkhoff <lars@nocrew.org>
+
+ * combine.c (try_combine): Fix typo in comment.
+ * expr.c (expand_expr): Likewise.
+ * config/i370/i370.md (untyped_call): Likewise.
+
+2001-05-26 Bruce Korb <bkorb@gnu.org>
+
+ * fixinc/fixtests.c(stdc_0_in_system_headers_test): Must return "FIX"
+ when fixincl is operating in test mode
+ * fixinc/inclhack.def(AAB_dgux_int_varargs) : aesthetics
+ (AAB_ultrix_limits): remove redundant text
+ (AAB_ultrix_memory): ditto
+ (AAB_ultrix_string): ditto
+ (djgpp_wchar_h): fix the test text
+ (irix_stdio_va_list): add test text
+ (irix_limits_const): add a testing output file (limits.h is overwritten)
+ (strict_ansi_not_ctd): put limits.h second in list for same reason
+ (solaris27_mutex_init): test text needed selection text, too
+
+ * fixinc/fixtests.c(stdc_0_in_system_headers_test): Must return "FIX"
+ when fixincl is operating in test mode
+
+2001-05-26 Philip Blundell <philb@gnu.org>
+
+ * config/c4x/c4x-protos.h: Use GCC_C_PRAGMA_H in place of _C_PRAGMA_H.
+ * config/i960/i960-protos.h: Likewise.
+ * config/i370/i370-protos.h: Likewise.
+ * config/h8300/h8300-protos.h: Likewise,
+ * config/sh/sh-protos.h: Likewise.
+ * config/v850/v850-protos.h: Likewise.
+
+2001-05-26 Philip Blundell <philb@gnu.org>
+
+ * config/arm/arm-protos.h: Use GCC_C_PRAGMA_H in place of _C_PRAGMA_H.
+
+2001-05-25 Zack Weinberg <zackw@stanford.edu>
+
+ * toplev.c (debug_args, f_options, W_options): Mark
+ descriptions for translation.
+ (display_help): Translate descriptions on output.
+
+ * cp/lang-options.h, f/lang-options.h, java/lang-options.h,
+ objc/lang-options.h: Mark descriptions for translation.
+
+ * aclocal.m4: Quote final argument of patsubst. Use
+ 3-argument form of AC_DEFINE. Restore quotes to [] while
+ using AC_FD_CC.
+ * configure.in: Remove unnecessary changequote calls.
+ * configure, config.in: Regenerate.
+
+2001-05-25 Sam TH <sam@uchicago.edu>
+
+ * basic-block.h: Fix header include guards.
+ * bitmap.h c-dump.h c-lex.h c-pragma.h c-tree.h collect2.h
+ cppdefault.h cpphash.h cpplib.h defaults.h diagnostic.h errors.h
+ except.h flags.h gcc.h gcov-io.h graph.h gstab.h gthr-aix.h
+ gthr-dce.h gthr-posix.h gthr-rtems.h gthr-single.h gthr-solaris.h
+ gthr-vxworks.h gthr-win32.h gthr.h hard-reg-set.h hwint.h
+ insn-addr.h libgcc2.h mbchar.h mkdeps.h params.h prefix.h real.h
+ rtl.h sbitmap.h system.h timevar.h toplev.h tradcpp.h tsystem.h
+ varray.h version.h: Likewise.
+ * config/dbxelf.h config/fp-bit.h config/arm/arm-protos.h
+ config/arm/arm.h config/c4x/c4x-protos.h
+ config/h8300/h8300-protos.h config/h8300/h8300.h
+ config/i370/i370-protos.h config/i370/i370.h
+ config/i960/i960-protos.h config/mcore/mcore.h
+ config/mips/mips-protos.h config/sh/sh-protos.h config/sh/sh.h
+ config/v850/v850-protos.h config/v850/v850.h: Likewise.
+ * fixinc/fixlib.h fixinc/server.h: Likewise.
+
+2001-05-25 Stacey Sheldon <ssheldon@Catena.com>
+
+ * config/arc/initfini.c (.init): Fix typo.
+
+2001-05-25 Geoffrey Keating <geoffk@redhat.com>
+
+ * config/rs6000/rs6000.md (fseldfsf4): Correct mode of operand 4.
+
+2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
+
+ * i386/i386.h (CC1_CPU_SPEC): Clarify -m486 etc deprecation messages.
+
+2001-05-25 Richard Henderson <rth@redhat.com>
+
+ * libgcc-std.ver: Export XFmode and TFmode versions of symbols.
+
+2001-05-25 Richard Henderson <rth@redhat.com>
+
+ * config.gcc (all gnu and linux): Use t-slibgcc-elf-ver with t-linux.
+ (i386-*-solaris2): Use t-slibgcc-elf-ver or t-slibgcc-sld.
+ (sparc*-*-solaris2): Likewise.
+ * config/t-linux: Remove shared libgcc macros.
+ * config/t-slibgcc-elf-ver: Move from sparc/t-slibgcc.
+ * config/t-slibgcc-sld: Move from sparc/t-slibgcc-sld.
+
+2001-05-25 Loren J. Rittle <ljrittle@acm.org>
+
+ * config.gcc (*-*-freebsd*): Report bad configuration.
+
+2001-05-25 David Edelsohn <edelsohn@gnu.org>
+
+ * xcoffout.h (DBX_OUTPUT_GCC_MARKER): Do not emit any marker.
+
+ * config/rs6000/aix.h (USER_LABEL_PREFIX): AIX symbols do not have
+ any prefix.
+ (ASM_OUTPUT_LABELREF): Delete.
+
+2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
+
+ * fixinc/inclhack.def (strict_ansi_not, strict_ansi_not_ctd,
+ strict_ansi_only): Don't run if stdc_0_in_system_headers.
+ * fixinc/fixincl.x: Regenerate.
+ * fixinc/fixtests.c (stdc_0_in_system_headers_test): New function.
+ (FIX_TEST_TABLE): Declare it.
+ * fixinc/fixlib.h: Include config.h.
+
+2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
+
+ * fixinc/inclhack.def (alpha___assert): Change char * args to
+ const char * on Tru64 UNIX to avoid excessive warnings from
+ assert.h.
+ * fixinc/fixincl.x: Regenerate.
+
+2001-05-25 Geoff Keating <geoffk@redhat.com>
+
+ * dbxout.c (dbxout_symbol): Invert previous patch, which was
+ outputting a tag only for variable-size records.
+
+2001-05-25 Jeff Knaggs <jknaggs@redhat.com>
+
+ * config/alpha/alpha.md (movtf_internal): Use reg_overlap_mentioned_p
+ instead of rtx_equal_p for early clobber test.
+
+2001-05-26 Mark Mitchell <mark@codesourcery.com>
+
+ * builtins.def: Encode additional information, such as names and
+ types, here.
+ * builtin-types.def: New file.
+ * builtins.c (built_in_names): Adjust use of DEF_BUILTIN.
+ (built_in_decls): Likewise. Don't explicitly initialize global
+ data to NULL.
+ (expand_builtin_mathfn): Handle float and long double variants of
+ math builtins.
+ (expand_builtin): Likewise.
+ * c-common.c (c_common_nodes_and_builtins): Make it table-driven.
+ (expand_tree_builtin): Handle long, long long, float, and long
+ double variants of math functions.
+ * c-common.h (c_tree_index): Remove some unused nodes.
+ (void_ftype): Remove.
+ (void_type_ptr): Likewise.
+ (int_ftype_int): Likewise.
+ (ptr_ftype_sizetype): Likewise.
+ * c-decl.c (init_decl_processing): Remove creation of DWARF
+ builtins.
+ * defaults.h (MD_INIT_BUILTINS): Provide default definition.
+ * tree.h (built_in_function): Adjust definition of DEF_BUILTIN.
+ * Makefile.in (c-common.o): Depend on builtin-types.def.
+
+2001-05-25 Dale Johannesen <dalej@apple.com>
+
+ * config/rs6000/t-darwin: Fix dependencies for darwin.o.
+
+2001-05-25 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * c-parse.in (notype_initdcl): Remove redundant line.
+
+2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
+
+ * aclocal.m4: Fixed typo.
+ (gcc_AC_HEADER_STDBOOL): Define.
+ (gcc_AC_C__BOOL): Define.
+ * configure.in: Use them.
+ (AC_CHECK_HEADERS): Remove stdbool.h
+ * configure, config.in: Regenerate.
+
+2001-05-25 Richard Henderson <rth@redhat.com>
+
+ * function.c (expand_function_start): Don't abort on PARALLEL
+ returns from hard_function_value.
+
+2001-05-25 Richard Henderson <rth@redhat.com>
+
+ * config/i386/i386.md: Revert previous change. Do not apply
+ the peephole if the components do not die after the sequence.
+
+2001-05-25 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-parse.in (array_declarator): New. Handle C99 constructs.
+ Don't restrict [*] declarators to C only.
+ (after_type_declarator, parm_declarator_starttypename,
+ parm_declarator_nostarttypename, notype_declarator,
+ direct_absdcl1): Use it.
+ * c-decl.c (build_array_declarator, set_array_declarator_type):
+ New functions. Warn that [*] isn't properly implemented; pedwarn
+ for [*] outside C99 mode if pedantic rather than giving a hard
+ error.
+ (grokdeclarator): Handle static and type qualifiers in parameter
+ array declarators.
+ * c-tree.h (build_array_declarator, set_array_declarator_type):
+ Declare.
+ * extend.texi (Attribute Syntax): Document attributes in parameter
+ array declarators.
+
+2001-05-25 Mark Mitchell <mark@codesourcery.com>
+
+ * config/i386/i386.md: Make sure cmpstr peepholes do not
+ affect liveness information.
+
+2001-05-24 Mark Mitchell <mark@codesourcery.com>
+
+ * c-typeck.c (digest_init): Issue error messages about
+ invalid constants, not warnings.
+
+2001-05-24 Mark Mitchell <mark@codesourcery.com>
+
+ * invoke.texi (-fno-builtin): Document that this is always on
+ in C++.
+
+2001-05-24 Philip Blundell <philb@gnu.org>
+
+ * doc/install.texi (arm*-*-linux-gnu): Say that binutils 2.10 is
+ required.
+
+2001-05-24 Philip Blundell <philb@gnu.org>
+
+ * config/arm/arm.c (output_return_instruction): Correctly handle
+ interworking and interrupt functions.
+
+2001-05-24 Philip Blundell <philb@gnu.org>
+
+ * config/arm/arm.h (TARGET_SWITCHES): Correct misleading help for
+ -m{no-}sched-prolog. Fix typos and improve formatting.
+
+2001-05-24 Philip Blundell <philb@gnu.org>
+
+ * invoke.texi (ARM Options): Improve wording slightly. Add
+ documentation for more options, including those for Thumb mode.
+ Don't mention options that don't exist or are unimplemented.
+ (Thumb Options): Delete; merged into above section.
+
+2001-05-24 Geoff Keating <geoffk@redhat.com>
+
+ * config/rs6000/linux.h (SIGNAL_FRAMESIZE): Define.
+ (MD_FALLBACK_FRAME_STATE_FOR): Use it.
+
+Thu May 24 19:47:19 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * simplify-rtx.c (simplify_subreg): Fix CONCAT simplification;
+ fix hard register simplification.
+
+Thu May 24 00:15:17 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
+
+ * sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Add all of CPP_SPEC instead
+ of just copying CPP_CPU_SPEC.
+
+Thu May 24 15:56:48 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * i386.c (incdec_operand): Accept only 1 and -1.
+
+2001-05-23 Kelley Cook <kelley.cook@home.com>
+
+ * Makefile.in: Move many of the *_H definitions eariler in the
+ file, so that rules in t-* files that use them for
+ dependencies will work in a parallel build.
+ * config/i386/t-cygwin (winnt.o): Depend on $(CONFIG_H).
+
+2001-05-23 Richard Henderson <rth@redhat.com>
+
+ * integrate.c (expand_inline_function): Handle CONCAT DECL_RESULT.
+
+2001-05-23 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cpp.texi: Update for handling of charconsts.
+ * cpplex.c (maybe_read_ucs): Don't accept D800-DFFF. Update
+ diagnostics. Skip to the end if the UCS is too short.
+ (cpp_interpret_charconst): Long charconsts issue a warning
+ not an error.
+
+2001-05-23 Richard Henderson <rth@redhat.com>
+
+ * doc/install.texi (alpha-linux): Require binutils 2.11.
+
+2001-05-23 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * c-lex.c (read_escape, read_ucs): Delete.
+ (lex_string): Use cpp_parse_escape.
+ * cpplex.c (read_ucs): Rename maybe_read_ucs. Do nothing
+ if not C++ or not C99. Warn if traditional.
+ (parse_escape): Rename cpp_parse_escape. Make the bitmask
+ unsigned. Warn for out-of-range escape sequences here.
+ Update to use maybe_read_ucs.
+ (cpp_interpret_charconst): Don't warn here.
+ * cpplib.h (cpp_parse_escape): New exported function.
+
+2001-05-23 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * extend.texi (Attribute Syntax): Clarify application of
+ attributes to parameters declared as functions or arrays.
+
+2001-05-23 Jason Merrill <jason_merrill@redhat.com>
+
+ * dbxout.c (dbxout_type_methods): Do still group methods by name.
+
+2001-05-23 Zack Weinberg <zackw@stanford.edu>
+
+ * diagnostic.c (vnotice): Kill.
+ (fnotice): Call vfprintf directly.
+ (diagnostic_for_decl, output_do_verbatim, output_verbatim,
+ verbatim, set_diagnostic_context): Rename string argument to
+ indicate that it is run through gettext.
+ (vbuild_message_string, build_message_string, output_do_printf):
+ Rename string argument to indicate that it is NOT run through
+ gettext.
+ (output_printf, diagnostic_for_decl, fatal_io_error, sorry,
+ output_do_verbatim, set_diagnostic_context, fnotice, _fatal_insn):
+ Run msgid argument through gettext.
+ (default_print_error_function): Run constant strings through
+ gettext when nothing else will.
+ (fatal_error, internal_error, error_recursion): Use fnotice.
+ Present complete sentences to gettext.
+
+2001-05-23 Mark Mitchell <mark@codesourcery.com>
+
+ * jump.c (mark_jump_label): Fix thinko in 2001-05-19 change.
+
+2001-05-23 Richard Henderson <rth@redhat.com>
+
+ * function.c (expand_function_start): Always use a pseudo
+ for the function result value.
+
+2001-05-22 Richard Henderson <rth@redhat.com>
+
+ * config/mips/iris6.h (EH_FRAME_SECTION_ASM_OP): Give the
+ section pointer alignment.
+
+ * doc/install.texi (alpha-linux): Require binutils >= 2.10.
+
+ * unwind-dw2-fde.c (__deregister_frame_info): Stringize use
+ of __USER_LABEL_PREFIX__.
+
+2001-05-22 Richard Henderson <rth@redhat.com>
+
+ * unwind-dw2-fde.c (__deregister_frame_info): Stubbify in favor of...
+ (__deregister_frame_info_bases): New.
+ * unwind-dw2-fde.h: Declare it.
+ * libgcc-std.ver: Export it.
+ * crtstuff.c (__do_global_dtors_aux): Call it if we would have
+ called __register_frame_info_bases.
+
+2001-05-22 Loren J. Rittle <ljrittle@acm.org>
+
+ * config/freebsd.h (FBSD_CPP_PREDEFINES): Use #endif/#if pair
+ instead of #elif (which is OK for this case but not in general).
+
+2001-05-22 Andrew MacLeod <amacleod@redhat.com>
+
+ * builtins.c (expand_builtin_longjmp): A longjmp can be a call too.
+ * config/ia64/ia64.md (nonlocal_goto): Reverse label and frame pointer
+ parameters to __ia64_nonlocal_goto. Flag as NO_RETURN.
+ * config/ia64/ia64.c (ia64_expand_epilogue): Make sure we are issuing
+ "r2" to the assembly file. Only issue allocs with nonzero parameters.
+
+2001-05-22 Loren J. Rittle <ljrittle@acm.org>
+ David O'Brien <obrien@freebsd.org>
+
+ * config/freebsd.h (LIB_SPEC): Key the exact setting to
+ configure-time options and target version of FreeBSD. Set-up
+ to match architectural change in threading support. Correctly
+ report when -pthread option is not supported by configure-time
+ options.
+ (FBSD_CPP_PREDEFINES): Move from architecture-specific files
+ and extend to encode target version number in run-time setting
+ of __FreeBSD__ macro to match the system compiler.
+ (CPP_PREDEFINES): Likewise.
+ (PREFERRED_DEBUGGING_TYPE): Change to DWARF2_DEBUG.
+
+ * config/alpha/freebsd.h (CPP_PREDEFINES): Moved to common freebsd.h.
+ * config/i386/freebsd.h (CPP_PREDEFINES): Likewise.
+
+2001-05-22 Loren J. Rittle <ljrittle@acm.org>
+ David O'Brien <obrien@freebsd.org>
+
+ * config.gcc (the unlabeled system switch statement): Add
+ generic configuration section to handle *-*-freebsd*. Also,
+ to match the system compiler, default to threading support (it
+ may be disabled with the standard --disable-threads
+ configuration-time switch).
+ (i[34567]86-*-freebsd* in machine-specific section): Use it.
+ (alpha*-*-freebsd* in machine-specific section): Likewise.
+
+ * config/freebsd3.h: New file to expose FBSD_MAJOR macro (3).
+ * config/freebsd4.h: New file to expose FBSD_MAJOR macro (4).
+ * config/freebsd5.h: New file to expose FBSD_MAJOR macro (5).
+ * config/freebsd6.h: New file to expose FBSD_MAJOR macro (6).
+ * config/freebsd-nthr.h: New file to expose FBSD_NO_THREADS macro.
+
+2001-05-22 Loren J. Rittle <ljrittle@acm.org>
+ David O'Brien <obrien@freebsd.org>
+
+ * config/t-freebsd (TARGET_LIBGCC2_CFLAGS): Add -fPIC.
+ * config/t-freebsd-thread (TARGET_LIBGCC2_CFLAGS): Add
+ -pthread instead setting macro.
+
+2001-05-22 Richard Henderson <rth@redhat.com>
+
+ * crtstuff.c (__register_frame_info_bases): Declare.
+ (frame_dummy): Use it, if CRT_GET_RFIB_TEXT or CRT_GET_RFIB_DATA.
+ (__do_global_dtors_aux, __do_global_dtors): Streamline.
+
+ * config/i386/linux.h (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
+ (CRT_GET_RFIB_DATA): New.
+ * config/i386/sysv4.h: Likewise.
+ * config/i386/sco5.h: Likewise.
+ (ASM_PREFERRED_EH_DATA_FORMAT): New.
+
+2001-05-22 Richard Henderson <rth@redhat.com>
+
+ * rtl.c (read_string): Break out from ...
+ (read_rtx): ... here.
+
+2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
+
+ * doc/install.texi (Specific): Remove a bogus and duplicate part
+ copied from the end of the document.
+
+2001-05-22 Bernd Schmidt <bernds@redhat.com>
+
+ * Makefile.in (LIBGCC_DEPS): Correct LIB1ASMSRC dependency.
+
+2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
+
+ * install.texi: Remove obsolete information on SunOS as well as
+ i386-sun-sunos4, i860-intel-osf1, and powerpcle-*-solaris2*.
+ (Installing GNU CC on the Sun): Remove section.
+
+2001-05-22 Alexandre Oliva <aoliva@redhat.com>
+
+ * cppfiles.c (remove_component_p): Don't assume lstat/stat will
+ keep errno unchanged on success.
+
+2001-05-22 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-lex.c (lex_number): If pedantic and not C99, pedwarn exactly
+ once for hexadecimal floats, whether or not they contain a decimal
+ point. Don't let the setting of pedantic otherwise affect the
+ parsing of hexadecimal floats.
+
+2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
+
+ * README.ACORN: Remove obsolete file.
+
+2001-05-22 Jan Hubicka <jh@suse.cz>
+
+ * combine.c (gen_binary): Use swap_commutative_operands_p
+ (simplify_comparison): Likewise.
+ * expmed.c (emit_store_flag): Likewise.
+ * expr.c (compare_from_rtx): Likewise.
+ (do_compare_rtx_and_jump): Likewise.
+ * optabs.c (emit_cmp_and_jump_insn): Revert last patch; abort
+ if not emitting a branch and operands want swapping.
+
+2001-05-22 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * c-lex.c (c_lex): Just cast cpp's hashnode to gcc's one.
+ * stringpool.c: (IS_FE_IDENT, make_identifier): Delete.
+ (maybe_get_identifier): Update.
+ * tree.h (make_identifier): Delete.
+
+2001-05-21 Richard Henderson <rth@redhat.com>
+
+ * combine.c (subst): Do not substitute for a register as
+ a destination subreg/strict_low_part/zero_extract.
+
+ * combine.c (simplify_comparison): Update op1 after constant
+ extension.
+ * recog.c (const_int_operand): Accept only constants valid
+ for the given mode.
+ * genrecog.c: Update comments wrt const_int_operand.
+
+ * emit-rtl.c (init_emit_once): Zero unused memory in a
+ CONST_DOUBLE.
+
+2001-05-21 Mark Mitchell <mark@codesourcery.com>
+
+ * tree.h (type_num_arguments): Declare it.
+ * tree.c (type_num_arguments): New function.
+
+2001-05-21 Richard Henderson <rth@redhat.com>
+
+ * dwarf2out.c (current_funcdef_number): Move outside dwarf2
+ conditional ifdef.
+
+2001-05-21 Geoff Keating <geoffk@redhat.com>
+
+ * config/rs6000/rs6000.md (maxsf3): Use rs6000_emit_minmax.
+ (maxsf3+1): Delete.
+ (minsf3): Use rs6000_emit_minmax.
+ (minsf3+1): Generalize to handle both SMIN and SMAX. Use
+ rs6000_emit_minmax.
+ (movsfcc): Use rs6000_emit_cmove.
+ (fselsfsf4): Don't compare a CONST_INT with a floating-point value.
+ Don't generate emit_fselsfsf4.
+ (fseldfsf4): Likewise.
+ (maxdf3): Use rs6000_emit_minmax.
+ (maxdf3+1): Delete.
+ (mindf3): Use rs6000_emit_minmax.
+ (mindf3+1): Generalize to handle both SMIN and SMAX. Use
+ rs6000_emit_minmax.
+ (movdfcc): Use rs6000_emit_cmove.
+ (fseldfdf4): Don't compare a CONST_INT with a floating-point value.
+ Don't generate emit_fselsfsf4.
+ (fselsfdf4): Likewise.
+ * config/rs6000/rs6000.c (zero_fp_constant): New predicate.
+ (min_max_operator): New predicate.
+ (rs6000_emit_cmove): New function.
+ (rs6000_emit_minmax): New function.
+ * config/rs6000/rs6000-protos.h: Prototype new functions.
+ * config/rs6000/rs6000.h (PREDICATE_CODES): Add zero_fp_constant
+ and min_max_operator.
+
+ * config/rs6000/rs6000.c (output_cbranch): Handle all
+ conditional types in the switch statement.
+
+2001-05-21 Mark Mitchell <mark@codesourcery.com>
+
+ * c-decl.c (finish_decl): Don't set DECL_C_HARD_REGISTER for
+ non-register variables.
+ * extend.texi: Document that asm-specifications do not make sense
+ for non-static local variables.
+
+2001-05-21 Jason Merrill <jason_merrill@redhat.com>
+
+ * dbxout.c (MINIMAL_DEBUG, flag_minimal_debug): Lose.
+ (dbxout_type_fields): Lose minimal_debug support.
+ (dbxout_type_methods, dbxout_type): Likewise.
+
+2001-05-17 Andrew Haley <aph@redhat.com>
+
+ * config/rs6000/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
+
+2001-05-21 Richard Henderson <rth@redhat.com>
+
+ * dwarf2out.c (DEBUG_FRAME_SECTION): Rename from FRAME_SECTION.
+ Update all users.
+
+2001-05-20 Richard Henderson <rth@redhat.com>
+
+ * dwarf2out.c (DEBUG_ABBREV_SECTION, DEBUG_ARANGES_SECTION,
+ DEBUG_MACINFO_SECTION, DEBUG_LOC_SECTION, DEBUG_PUBNAMES_SECTION,
+ DEBUG_STR_SECTION): Rename from s/DEBUG_//. Update all users.
+ * dwarfout.c (DEBUG_SFNAMES_SECTION, DEBUG_SRCINFO_SECTION,
+ DEBUG_MACINFO_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_ARANGES_SECTION):
+ Likewise.
+ * config/mips/iris6.h (DEBUG_SFNAMES_SECTION, DEBUG_SRCINFO_SECTION,
+ DEBUG_MACINFO_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_ARANGES_SECTION,
+ DEBUG_FRAME_SECTION, DEBUG_ABBREV_SECTION): Rename as above.
+ (DEBUG_LOC_SECTION, DEBUG_STR_SECTION): New.
+ * config/ia64/ia64.h (DEBUG_ABBREV_SECTION, DEBUG_ARANGES_SECTION,
+ DEBUG_PUBNAMES_SECTION): Rename as above.
+ (DEBUG_MACINFO_SECTION, DEBUG_LOC_SECTION, DEBUG_STR_SECTION): New.
+
+2001-05-20 Richard Henderson <rth@redhat.com>
+
+ * optabs.c (emit_cmp_and_jump_insns): Don't swap commutative
+ operands unless the operation is commutative.
+
+2001-05-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * fold-const.c (tree_expr_nonnegative_p): Detect more non-negative
+ cases.
+
+2001-05-21 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * extend.texi: Clarify documentation of extensions included in ISO
+ C99. Prefer C99 terminology and syntax to old GNU terminology and
+ syntax. Add more index entries. Document mixed declarations and
+ code as an extension in C89 mode. Warn about future changes to
+ semantics of inline functions. Fixes PR other/930.
+
+Sun May 20 16:39:24 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * expr.c (expand_expr, case ARRAY_REF): Don't fold constant
+ access if EXPAND_CONST_ADDRESS or EXPAND_INITIALIZER.
+ (expand_expr, case COMPONENT_REF): Do copy if misaligned even
+ if EXPAND_CONST_ADDRESS or EXPAND_INITIALIZER.
+
+ * stmt.c (expand_decl): Set mode, alignment, and sizes for CONST_DECL.
+
+2001-05-20 Richard Henderson <rth@redhat.com>
+
+ * sched-deps.c (sched_analyze_insn): Force volatile memory reads
+ to be output before a branch.
+
+2001-05-20 Richard Henderson <rth@redhat.com>
+
+ * Makefile.in (dwarf2asm.o): Depend on $(TREE_H).
+
+2001-05-20 Richard Henderson <rth@redhat.com>
+
+ * config/i386/att.h (ASM_SHORT, ASM_LONG): Add trailing \t.
+ (ASM_DOUBLE): Remove.
+ * config/i386/bsd.h, config/i386/sco5.h: Likewise.
+ * config/i386/sun386.h: Likewise.
+
+ * config/i386/i386.h (UNALIGNED_SHORT_ASM_OP): New.
+ (UNALIGNED_INT_ASM_OP, INT_ASM_OP): New.
+
+ * config/i386/cygwin.h (INT_ASM_OP): Remove.
+ * config/i386/freebsd-aout.h, config/i386/i386-aout.h: Likewise.
+ * config/i386/i386-coff.h, config/i386/i386-interix.h: Likewise.
+ * config/i386/netbsd.h, config/i386/openbsd.h: Likewise.
+
+ * config/i386/cygwin.h: Adjust uses of ASM_LONG for trailing \t.
+ * config/i386/djgpp.h, config/i386/i386.h: Likewise.
+ * config/i386/i386elf.h, config/i386/ptx4-i.h: Likewise.
+ * config/i386/sco5.h, config/i386/svr3gas.h: Likewise.
+ * config/i386/sysv4.h, config/i386/vsta.h: Likewise.
+ * config/i386/win32.h: Likewise.
+
+2001-05-20 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * invoke.texi: Add more options to summary list.
+
+2001-05-20 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * invoke.texi: Document meaning of -pedantic when -std=gnu* is
+ used. Fixes PR c/2291.
+ * gcc.1: Regenerate.
+
+2001-05-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
+
+ * config/m68hc11/m68hc11.c (m68hc11_override_options): Ignore
+ the -fpic and -fPIC options, clear flag_pic.
+
+2001-05-20 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * hashtable.c (calc_hash): Fix HASHSTEP definition.
+ * stringpool.c (make_identifier): No statistics here anymore.
+ * objc-act.c (steup_string_decl): Remove redundant check.
+
+2001-05-20 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * Makefile.in (OBJS, LIBCPP_OBJS, LIBCPP_DEPS,
+ cpplib.o, cpphash.o, fix-header): Update.
+ (hashtable.o): New target.
+ * c-common.h: Include cpplib.h. Define C_RID_CODE and
+ struct c_common_identifier here.
+ * c-lang.c (c_init_options): Update. Call set_identifier_size.
+ * c-lex.c (c_lex): Update.
+ * c-pragma.h: Update.
+ * c-tree.h (struct lang_identifier): Contain c_common_identifier.
+ Delete rid_code.
+ (C_RID_CODE): Delete.
+ * cpphash.c: Rewrite to use hashtable.c.
+ * cpphash.h: Update include guards.
+ (struct cpp_reader): Remove hashtab.
+ hash_ob and buffer_ob are no longer pointers. Add hash_table
+ and our_hashtable.
+ (HASHSTEP, _cpp_init_hashtable, _cpp_lookup_with_hash): Delete.
+ (_cpp_cleanup_hashtable): Rename _cpp_destroy_hashtable.
+ (_cpp_cleanup_stacks): Rename _cpp_init_directives.
+ * cppinit.c (cpp_create_reader): Update.
+ * cpplex.c (cpp_ideq, parse_identifier, cpp_output_token): Update.
+ (cpp_interpret_charconst): Eliminate warning.
+ * cpplib.c (do_pragma, do_endif, push_conditional,
+ cpp_push_buffer, cpp_pop_buffer): Update.
+ (_cpp_init_stacks): Rename cpp_init_directives.
+ (_cpp_cleanup_stacks): Remove.
+ * cpplib.h: Update include guards. Include tree-core.h and c-rid.h.
+ (cpp_hashnode, cpp_token, NODE_LEN, NODE_NAME,
+ cpp_forall_identifiers, cpp_create_reader): Update.
+ (C_RID_CODE, cpp_make_node): New.
+ (c_common_identifier): New identifier node for C front ends.
+ * cppmain.c (main): Update.
+ * fix-header.c (read_scan_file): Update.
+ * flags.h (id_clash_len): Make unsigned.
+ * ggc.h (ggc_mark_nonnull_tree): New.
+ * hashtable.c: New.
+ * hashtable.h: New.
+ * stringpool.c: Update comments and copyright. Update to use
+ hashtable.c.
+ * toplev.c (approx_sqrt): Move to hashtable.c.
+ (id_clash_len): Make unsigned.
+ * toplev.h (ident_hash): New.
+ * tree.c (gcc_obstack_init): Move to hashtable.c.
+ * tree.h: Include hashtable.h.
+ (IDENTIFIER_POINTER, IDENTIFIER_LENGTH): Update.
+ (GCC_IDENT_TO_HT_IDENT, HT_IDENT_TO_GCC_IDENT): New.
+ (struct tree_identifier): Update.
+ (make_identifier): New.
+cp:
+ * cp-tree.h (struct lang_identifier, C_RID_YYCODE): Update.
+ (C_RID_CODE): Remove.
+ * lex.c (cxx_init_options): Call set_identifier_size. Update.
+ (init_parse): Don't do it here.
+objc:
+ * objc-act.c (objc_init_options): Call set_identifier_size. Update.
+
+Sat May 19 18:23:04 2001 Richard Henderson <rth@redhat.com>
+
+ * except.c (dw2_build_landing_pads): Use word_mode, not Pmode,
+ as ncessary.
+ (expand_eh_return): Convert between word_mode and Pmode.
+ * unwind-dw2.c (extract_cie_info): Do not assume words and pointers
+ are the same size.
+ (execute_stack_op): Likewise.
+ (execute_cfa_program): Likewise.
+ (uw_frame_state_for): Likewise.
+ (uw_update_context_1): Likewise.
+ * unwind.inc (_Unwind_Reason_Code): Likewise.
+ * config/mips/mips.h (EH_RETURN_DATA_REGNO): Define.
+ (EH_RETURN_STACKADJ_RTX): Likewise.
+ * config/mips/mips.c (compute_frame_size): Make space for saving
+ EH return registers.
+ (mips_expand_epilogue): Handle EH stack adjustments.
+ * config/mips/mips.md (eh_return): New pattern.
+ (eh_set_lr_si): Likewise.
+ (eh_set_lr_di): Likewise.
+ Add splitter to perform EH return after reload.
+
+2001-05-19 Mark Mitchell <mark@codesourcery.com>
+
+ * jump.c (mark_jump_label): Tidy previous change.
+
+2001-05-19 Bruce Korb <bkorb@gnu.org>
+
+ * fixinc/genfixes: no need for two warnings
+ * fixinc/Makefile.in: open stdin for those building with a closed one.
+
+2001-05-19 Mark Mitchell <mark@codesourcery.com>
+
+ * jump.c (jump_optimize_1): Tidy.
+ (mark_jump_label): When changing the label in a LABEL_REF, change
+ update any REG_EQUAL notes as well.
+
+2001-05-19 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-parse.in (parm_declarator): Split into
+ parm_declarator_starttypename and parm_declarator_nostarttypename.
+ (parm_declarator_starttypename, parm_declarator_nostarttypename):
+ New. Allow parenthesized sub-declarators which don't begin with a
+ TYPENAME. Fixes PR c/166.
+
+2001-05-19 Mark Mitchell <mark@codesourcery.com>
+
+ * defaults.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER): New
+ macro.
+ * tm.texi (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER):
+ Document it.
+ * toplev.c (main): If the target does not allow profiling without
+ a frame pointer, issue an error message.
+ * config/i386/linux.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER):
+ Define it to false.
+
+Sat May 19 07:53:42 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * recog.c (general_operand): Modify last change to allow it if reload
+ has completed.
+
+Sat May 19 10:23:54 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * recog.c (general_operand): Prohibit nonzero subreg bytes on
+ subregs containing mem.
+
+Sat May 19 09:40:45 2001 Denis Chertykov <denisc@overta.ru>
+
+ * regrename.c (regrename_optimize): frame pointer register can
+ use a few hardregs.
+
+2001-05-18 Jason Merrill <jason_merrill@redhat.com>
+
+ * README.DWARF: Move into dwarfout.c.
+
+2001-05-18 Dale Johannesen <dalej@apple.com>
+
+ * config/rs6000/rs6000.c (secondary_reload_class): Fix Darwin
+ specific misuse of r0 as a reload address.
+
+Fri May 18 22:42:04 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * combine.c (combine_simplify_rtx): Clear op0_mode if simplification
+ succeeded.
+
+Fri May 18 07:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * genrecog.c (enum decision_type): Add DT_elt_zero-wide_safe.
+ (add_to_sequence): Make that decision type.
+ (maybe_both_true_2, nodes_identical_1, factor_tests): Use it.
+ (write_switch, write_cond, debug_decision_2): Likewise.
+
+ * dbxout.c (dbxout_type): Use host_integerp and fix typo in testing
+ for INTEGER_TYPE.
+ (dbxout_symbol, case TYPE_DECL): Don't generate tag for records of
+ variable size.
+
+2001-05-18 Stan Shebs <shebs@apple.com>
+
+ * configure.in (gcc_cv_as_eh_frame): Cope with old assemblers.
+ * configure: Regenerate.
+
+2001-05-18 Per Bothner <per@bothner.com>
+
+ Changes needed for java/jvspec.c
+ * gcc.h (n_infiles, outfiles): Add declarations.
+ * gcc.c (n_infiles, outfiles): Mske no longer static.
+
+Fri May 18 10:14:42 2001 Jeffrey A Law (law@cygnus.com)
+
+ * config/pa/som.h (EXCEPTION_SECTION): Define.
+
+2001-05-18 Daniel Berlin <dan@cgsoftware.com>
+
+ * dwarf2out.c: Add dw_loc_list_ref, a reference to a location
+ list.
+ Add have_location_lists, a variable to determine whether we need a
+ .debug_loc section or not.
+ (enum dw_val_class): Add dw_val_class_loc_list.
+ (dw_val_struct): Add val_loc_list.
+ (dw_loc_list_struct): New structure, represents location lists.
+ (new_loc_list): New function, return a new location list, given
+ the range and location expression.
+ (add_loc_descr_to_loc_list): New function, add a location
+ expression to a location list, given the expression and range.
+ (output_loc_list): New function, output a location list.
+ (gen_internal_sym): Modified to take symbol prefix, so we can
+ reuse it for location list symbols.
+ (add_AT_loc_list): New function, add a location list to a DIE at
+ the named attribute.
+ (AT_loc_list): New function, return the location list reference
+ for a given attribute, if it's a location list.
+ (print_die): Handle dw_val_class_loc_list.
+ (size_of_die): Ditto.
+ (value_format): Ditto.
+ (output_die): Ditto.
+ (output_location_lists): New function, output all of the location
+ lists for a DIE and it's children.
+ (dwarf2out_finish): Call output_location_lists if we have location
+ lists.
+
+
+Fri May 18 15:39:16 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * gcse.c (try_replace_reg): First try global replace, later try to
+ simplify the expression.
+
+ * gcse.c (find_used_regs): Change calling convention; work via
+ note_uses.
+ (cprop_insn): Update call of find_used_regs; work for CALL_INSNs too.
+
+2001-05-18 Bernd Schmidt <bernds@redhat.com>
+
+ Revert
+ 2001-02-09 Nick Clifton <nickc@redhat.com>
+ * config/arm/arm.md: Change output constraint on post inc
+ load/store multiple patterns to be a read/write constraint.
+
+2001-05-18 Mark Mitchell <mark@codesourcery.com>
+
+ * basic-block.h (struct basic_block_def): Add documentation about
+ what a basic block is, and what the various fields are used for.
+ * flow.c (calculate_globlal_regs_live): Add documentation about
+ how the algorithm works, and how we know that it will terminate.
+ Check that the inductive assumption that guarantees termination
+ actually holds.
+ (mark_used_regs): Treat conditionally set registers as used.
+ (debug_regset): Add comment.
+ * rtl.texi (cond_exec): Add documentation.
+
+ * function.c (expand_function_start): Avoid creating BLKmode
+ pseudos.
+
+2001-05-17 Mark Mitchell <mark@codesourcery.com>
+
+ * dwarf2out.c (output_comp_unit): Always output a compilation-unit
+ DIE, even if it has no children.
+ (dwarf2out_finish): Always output the line-number table, even if
+ it has no content.
+
+2001-05-18 David Edelsohn <edelsohn@gnu.org>
+
+ * rs6000.md (movsfcc,movdfcc): Remove NE case.
+
+2001-05-17 Bruce Korb <bkorb@gnu.org>
+
+ * fixinc/fixincl.tpl: rewritten as an AutoGen version 5 template
+ * fixinc/genfixes: emit a warning if AutoGen is out of date
+
+2001-05-17 Brendan Conoboy <blc@cygnus.com>
+ Bruce Korb <bkorb@gnu.org>
+
+ * fixinc/fixincl.sh(FIXINC): accept local directory if fixincl not
+ found in fixinc directory. Facilitates binary distributions.
+
+2001-05-17 Jeffrey Oldham <oldham@codesourcery.com>
+
+ * dbxout.c (dbxout_symbol_location): For CONCAT, skip types not
+ COMPLEX_TYPE.
+
+Thu May 17 19:42:39 2001 Mark Kettenis <kettenis@wins.uva.nl>
+
+ * dwarf2out.c (modified_type_die): Equate qualified type to die.
+
+Thu May 17 23:19:46 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * integrate.c (copy_rtx_and_substitute): Use simplify_gen_subreg.
+ (simplify_subreg): Handle complex types represented as CONCAT.
+
+ * recog.c (validate_replace_rtx_1): Properly canonicalize expression
+ * rtl.h (swap_commutative_operands_p): Declare.
+ * rtlanal.c (swap_commutative_operands_p): New.
+ (operand_preference): New static function.
+
+ * combine.c (combine_simplify_rtx): Use swap_commutative_operands_p.
+ (gen_binary): Likewise.
+ * optabs.c (emit_cmp_and_jump_insns, emit_conditional_move): Likewise.
+ * simplify-rtx.c (simplify_gen_binary,
+ simplify_gen_relational): Likewise.
+
+Thu May 17 20:43:36 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * cse.c (fold_rtx): Use simplify_subreg.
+
+ * simplify-rtx.c (simplify_replace_rtx): Use simplify_gen_subreg.
+ (simplify_gen_subreg): New.
+ (simplify_rtx): Use simplify_subreg.
+ * rtl.h (simplify_gen_subreg): Declare.
+
+2001-05-17 Mark Mitchell <mark@codesourcery.com>
+
+ * doc/install.texi: Update Solaris information.
+
+ * except.h (protect_cleanup_actions): Remove it.
+ (lang_protect_cleanup_actions): Declare it.
+ * except.c (protect_cleanup_actions): Remove it.
+ (lang_protect_cleanup_actions): New variable.
+ (init_eh): Don't make protect_cleanup_actions a GC root.
+ (expand_eh_region_and_cleanup): Call
+ lang_protect_cleanup_actions.
+ (output_function_exception_table): Remove unused `align'
+ variable.
+ * varasm.c (assemble_external): Abort if we have not yet
+ opened the assembly output file.
+
+Thu May 17 11:54:50 2001 Jeffrey A Law (law@cygnus.com)
+
+ * except.c (sjlj_emit_function_enter): Call assemble_external_libcall
+ for eh_personality_libfunc.
+
+Thu May 17 19:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * recog.c (validate_replace_rtx_1): Use "TO" mode if not VOIDmode
+ when calling simplify_subreg. This is needed to allow replacing
+ of expression of one mode by expression of different mode.
+
+Thu May 17 19:40:03 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * simplify-rtx.c (simplify_subreg): Avoid creating of incorrect subregs.
+
+2001-05-17 Bernd Schmidt <bernds@redhat.com>
+
+ * expr.c (protect_from_queue): Protect against subsequent calls to
+ emit_queue.
+ (expand_expr, case ADDR_EXPR): Prevent protect_from_queue from being
+ too clever.
+
+Thu May 17 18:17:34 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * simplify_rtx.c (simplify_subreg): Fix simplification of nested subregs.
+
+2001-05-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
+
+ * gccbug.in (CATEGORIES): Add "bootstrap".
+
+Thu May 17 16:59:41 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * simplify-rtx.c (simplify_subreg): Break out from ...
+ * combine.c (combine_splify_rtx) ... here and ...
+ * recog.c (validate_replace_rtx_1): ... here;
+ * rtl.h (subreg_lowpart_parts_p, simplify_subreg): Declare.
+ * emit-rtl.c (subreg_lowpart_parts_p): Break out from ...
+ (subreg_lowpart_p): ... here.
+
+2001-05-17 Bernd Schmidt <bernds@redhat.com>
+
+ * stmt.c (expand_asm_operands): For inout operands, make sure
+ the substitution of '=' for '+' makes it into the rtl.
+
+ * reload1.c (delete_output_reload): Call eliminate_regs on substed.
+ (reload_as_needed): Call update_eliminable_offsets a bit later.
+
+2001-05-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
+
+ * gcc.texi (gccbug): Refer to the web pages for detailed information
+ on GNATS.
+
+2001-05-16 Zack Weinberg <zackw@stanford.edu>
+
+ * libgcc1-test.c, libgcc1.c, config/i386/perform.h: Delete file.
+
+ * Makefile.in: Delete variables: OLDCC, CCLIBFLAGS, OLDAR,
+ OLDAR_FLAGS, LIBGCC1, LIBGCC1_TEST, CROSS_LIBGCC1,
+ LIB1FUNCS, and LIB1FUNCS_EXTRA. Delete rules: libgcc1-test,
+ libgcc1-test.o. Clarify commentary now that libgcc1 no longer exists.
+ * cross-make: Don't set LIBGCC1.
+ * mklibgcc.in: Delete all code for building from libgcc1.c.
+ Always honor LIB1ASMFUNCS if set.
+
+ * crtstuff.c, floatlib.c, longlong.h, config/fp-bit.c,
+ config/arc/lib1funcs.asm, config/arm/lib1funcs.asm,
+ config/d30v/libgcc1.asm, config/fr30/lib1funcs.asm,
+ config/h8300/lib1funcs.asm, config/i386/cygwin.asm,
+ config/i386/uwin.asm, config/m68hc11/larith.asm,
+ config/m68k/lb1sf68.asm, config/mcore/lib1.asm,
+ config/mn10200/lib1funcs.asm, config/sh/lib1funcs.asm,
+ config/sparc/lb1spc.asm, config/sparc/lb1spl.asm,
+ config/v850/lib1funcs.asm, config/c4x/libgcc.S:
+ Delete or update references to libgcc1 in commentary.
+
+ * config/t-libc-ok, config/t-linux, config/t-linux-aout,
+ config/t-netbsd, config/a29k/t-a29kbare, config/a29k/t-vx29k,
+ config/alpha/t-interix, config/alpha/t-osf, config/alpha/t-vms,
+ config/arc/t-arc, config/arm/t-arm-aout, config/arm/t-arm-coff,
+ config/arm/t-arm-elf, config/arm/t-linux, config/arm/t-pe,
+ config/arm/t-semi, config/arm/t-strongarm-coff,
+ config/arm/t-strongarm-elf, config/arm/t-strongarm-pe,
+ config/arm/t-xscale-coff, config/arm/t-xscale-elf, config/avr/t-avr,
+ config/c4x/t-c4x, config/d30v/t-d30v, config/fr30/t-fr30,
+ config/h8300/t-h8300, config/i386/t-beos, config/i386/t-cygwin,
+ config/i386/t-i386elf, config/i386/t-interix, config/i386/t-netware,
+ config/i386/t-next, config/i386/t-rtems-i386, config/i386/t-sol2,
+ config/i960/t-960bare, config/i960/t-vxworks960, config/ia64/t-ia64,
+ config/m32r/t-m32r, config/m68hc11/t-m68hc11-gas, config/m68k/t-lynx,
+ config/m68k/t-m68kbare, config/m68k/t-m68kelf,
+ config/m68k/t-mot3300-gald, config/m68k/t-mot3300-gas,
+ config/m68k/t-next, config/m68k/t-vxworks68, config/m88k/t-bug,
+ config/m88k/t-dgux, config/m88k/t-dgux-gas, config/m88k/t-dguxbcs,
+ config/m88k/t-luna, config/m88k/t-luna-gas, config/m88k/t-m88k,
+ config/m88k/t-m88k-gas, config/m88k/t-sysv4, config/mcore/t-mcore,
+ config/mcore/t-mcore-pe, config/mips/t-bsd, config/mips/t-bsd-gas,
+ config/mips/t-cross64, config/mips/t-ecoff, config/mips/t-elf,
+ config/mips/t-iris6, config/mips/t-r3900, config/mips/t-svr3,
+ config/mips/t-svr3-gas, config/mips/t-svr4, config/mips/t-svr4-gas,
+ config/mips/t-ultrix, config/mn10200/t-mn10200,
+ config/mn10300/t-mn10300, config/pa/t-linux, config/pa/t-linux64,
+ config/pa/t-pa, config/pa/t-pa64, config/pa/t-pro,
+ config/pdp11/t-pdp11, config/pj/t-pj, config/rs6000/t-aix43,
+ config/rs6000/t-beos, config/rs6000/t-darwin, config/rs6000/t-newas,
+ config/rs6000/t-ppccomm, config/rs6000/t-rs6000, config/sh/t-linux,
+ config/sh/t-sh, config/sparc/t-chorus-elf, config/sparc/t-elf,
+ config/sparc/t-sol2, config/sparc/t-sp86x, config/sparc/t-sparcbare,
+ config/sparc/t-sparclite, config/sparc/t-splet,
+ config/sparc/t-sunos41, config/sparc/t-vxsparc,
+ config/sparc/t-vxsparc64, config/v850/t-v850:
+ Don't set any of LIBGCC1, CROSS_LIBGCC1, or LIBGCC1_TEST.
+
+ * config/alpha/alpha.h, config/i386/i386.h, config/i860/i860.h:
+ Don't set FLOAT_VALUE_TYPE, FLOAT_ARG_TYPE, INTIFY, or FLOATIFY.
+ * config/d30v/d30v.h: Don't mention LIBGCC_NEEDS_DOUBLE,
+ FLOAT_VALUE_TYPE, FLOAT_ARG_TYPE, FLOATIFY, INTIFY,
+ nongcc_SI_type, nongcc_word_type, or perform_*
+ * config/i860/fx2800: Don't define perform_umodsi3 or perform_modsi3.
+
+ * config/i386/386bsd.h, config/i386/beos-elf.h,
+ config/i386/linux-aout.h, config/i386/linux-oldld.h,
+ config/i386/linux.h, config/i386/mach.h, config/i386/netbsd.h,
+ config/i386/openbsd.h, config/i386/osfrose.h, config/i386/rtemself.h:
+ Don't include i386/perform.h.
+
+ * config/a29k/t-a29k, config/arm/t-semiaof, config/i370/t-i370,
+ config/i370/t-linux, config/i370/t-mvs, config/i370/t-oe,
+ config/i386/t-djgpp, config/i386/t-i386bare, config/i386/t-vsta,
+ config/ia64/t-hpux, config/mips/t-mips, config/mips/t-mips-gas,
+ config/mips/t-osfrose, config/sparc/t-sp64, config/sparc/t-sunos40,
+ config/vax/t-openbsd, config/vax/t-vax: Delete.
+
+ * config.gcc: Remove references to deleted files.
+ (arm-semi-aof): Use arm/t-semi for tmake_file.
+
+ * gcc.texi, install.texi, invoke.texi, tm.texi:
+ Delete or rewrite text which is no longer relevant now that
+ libgcc1 no longer exists.
+
+ * config/t-openbsd, config/alpha/t-interix, config/i386/t-interix:
+ No need to set INSTALL_ASSERT_H. (Missed in previous sweep.)
+
+2001-05-16 Wolfgang Bangerth <wolfgang.bangerth@iwr.uni-heidelberg.de>
+ Bruce Korb <bkorb@gnu.org>
+
+ * fixinc/inclhack.def(solaris27_mutex_init): Fix broken mutex
+ initializer
+
+2001-05-16 Zack Weinberg <zackw@stanford.edu>
+
+ * i386.md: Add two peepholes to clean up code generated by
+ cmpstr* expanders.
+
+2001-05-16 Richard Henderson <rth@redhat.com>
+
+ * dwarf2asm.c (eh_data_format_name): Add names for "pointer size"
+ variants of non-absolute encodings.
+
+ * config/i386/i386.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
+
+ * libgcc-std.ver (_Unwind_Find_FDE, __register_frame_info_bases,
+ __register_frame_info_table_bases): Export.
+
+2001-05-16 Richard Henderson <rth@redhat.com>
+
+ * except.c (eh_data_format_name): Move to ...
+ * dwarf2asm.c: ... here. Use designated initializers if available.
+ (dw2_asm_output_encoded_addr_rtx): Accept varargs commentary.
+ * dwarf2asm.h: Update declarations.
+ * dwarf2out.c (output_cfi) [DW_CFA_set_loc]: If for_eh, mind
+ ASM_PREFERRED_EH_DATA_FORMAT.
+ (output_call_frame_info): Likewise. Use 'L' augmentation for
+ the LSDA encoding.
+
+ * unwind-dw2-fde.h (struct fde_vector): New.
+ (struct old_object): Rename from struct object.
+ (struct object): New.
+ (__register_frame_info_bases): Declare.
+ (__register_frame_info_table_bases): Declare.
+ (struct dwarf_fde): Remove explicit pc_begin/pc_range members.
+ * unwind-dw2-fde.c (objects): Remove.
+ (unseen_objects, seen_objects): New.
+ (__register_frame_info_bases): New.
+ (__register_frame_info): Use it.
+ (__register_frame_info_table_bases): New.
+ (__register_frame_info_table): Use it.
+ (__deregister_frame_info): Rewrite for changed object struct.
+ (base_from_object, get_cie_encoding, get_fde_encoding): New.
+ (fde_unencoded_compare): Rename from fde_compare; uninline.
+ (fde_single_encoding_compare, fde_mixed_encoding_compare): New.
+ (start_fde_sort): Adjust for new definition of fde_vector.
+ (fde_insert): Likewise.
+ (end_fde_sort): Likewise. Select comparison function based
+ on properties of the object.
+ (fde_split): Take object and fde_compare_t arguments.
+ (frame_heapsort, fde_merge): Likewise.
+ (classify_object_over_fdes): Rename from count_fdes. Handle
+ encoded pointers. Collect encoding, mixed_encoding, and pc_begin
+ for the object.
+ (add_fdes): Handle encoded pointers.
+ (init_object): Rename from frame_init. Update for new struct object.
+ (linear_search_fdes): Rename from search_fdes. Handle encoded
+ pointers.
+ (binary_search_unencoded_fdes): Broken out from _Unwind_Find_FDE.
+ (binary_search_single_encoding_fdes): New.
+ (binary_search_mixed_encoding_fdes): New.
+ (search_object): New.
+ (_Unwind_Find_FDE): Update for new struct object. Fill in
+ the dwarf_eh_bases.
+ * unwind-dw2.c: Include unwind-pe.h. Constify all pointers
+ iterating over EH data.
+ (_Unwind_FrameState): Remove saw_lsda, addr_encoding. Add
+ fde_encoding, lsda_encoding.
+ (read_uleb128, read_sleb128): Remove.
+ (read_encoded_pointer): Remove. All callers use read_encoded_value.
+ (extract_cie_info): Set lsda_encoding from 'L' augmentation.
+ (uw_frame_state_for): Don't set bases.func. Handle encoded fde
+ pointers.
+ * unwind-pe.h: Add "struct" to _Unwind_Context references.
+
+2001-05-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
+
+ * cppexp.c (lex): Use NODE_NAME and NODE_LEN.
+ * cpphash.c (_cpp_lookup_with_hash): Similarly.
+ * cpplex.c (cpp_ideq, parse_identifier, cpp_token_len,
+ cpp_spell_token, cpp_output_token): Similarly.
+ * cpplib.c (lex_macro_node, do_undef, do_pragma,
+ do_pragma_poison, parse_assertion, do_assert): Similarly.
+ * cppmacro.c (builtin_macro, parse_args, funlike_invocation_p,
+ save_parameter, _cpp_create_definition, check_trad_stringification,
+ cpp_macro_definition): Similarly.
+ * cppmain.c (cb_define, cb_undef, dump_macro): Similarly.
+ * c-lex.c (cb_undef, c_lex): Similarly.
+ * fix-header.c (recognized_function): Similarly.
+ * cpplib.h (NODE_LEN, NODE_NAME): New.
+ (cpp_hashnode): Rename length len.
+
+Wed May 16 13:41:10 2001 Jeffrey A Law (law@cygnus.com)
+
+ * pa32-regs.h (HARD_REGNO_MODE_OK): Allow TI/TFmode values in
+ GPRs.
+
+2001-05-16 Andreas Jaeger <aj@suse.de>
+
+ * Makefile.in (toplev.o): Add dependency on dwarf2asm.h.
+
+ * toplev.c: Include dwarf2asm.h for prototype of
+ dw2_output_indirect_constants.
+
+Wed May 16 19:53:53 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * stmt.c (expand_asm_operands): Be able to offload addressof
+ expression to memory. (PR optimization/185)
+
+Wed May 16 18:53:23 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * combine.c (combine_simplify_rtx): Set op0_mode to VOIDmode after
+ applying distributive law.
+
+2001-05-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
+
+ * pa-hpux10.h (THREAD_MODEL_SPEC): Define.
+
+ * gthr-dce.h (UNUSED): Attribute unused macro.
+ (__gthread_key_dtor): Make arguments UNUSED.
+ (__gthread_key_delete): Revise for compatibility with DRAFT4
+ implementation.
+
+2001-05-16 David Edelsohn <edelsohn@gnu.org>
+
+ * doc/install.texi: Update AIX information.
+ * README.RS6000: Remove obsolete file.
+
+2001-05-16 Jakub Jelinek <jakub@redhat.com>
+ Nathan Sidwell <nathan@codesourcery.com>
+
+ * gcc.c (give_switch): Don't write before start of string.
+ Always append suffix.
+
+2001-05-16 Nathan Sidwell <nathan@codesourcery.com>
+
+ * cpplex.c (_cpp_lex_token, '/' case): Comments can't appear
+ after stage3.
+
+2001-05-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
+
+ * README.ALTOS: Remove obsolete file.
+
+2001-05-16 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * c-lex.h (save_and_forget_protocol_qualifiers,
+ forget_protocol_qualifiers, remember_protocol_qualifiers):
+ Remove deleted functions' prototypes.
+
+2001-05-16 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * c-parse.in (methodtype): New production.
+ (methoddef, methodproto): Collapse separate '-' and '+'
+ handlers into 1.
+
+2001-05-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
+
+ * c-common.h (RID_FIRST_PQ): New.
+ * c-parse.in (objc_pq_context): New.
+ (objc parser): Set objc_pq_context rather than calling
+ remember_protocol_qualifiers and forget_protocol_qualifiers.
+ Don't call save_and_forget_protocol_qualifiers.
+ (yylexname): Handle objc protocol qualifiers here.
+ * stringpool.c (struct str_header): Replace with sp_hashnode.
+ (SP_EMPTY, SP_LEN, SP_TREE, SP_STR, SP_VALID): New.
+ (alloc_string): Rename alloc_ident. Use the SP_ accessors.
+ Allocate an IDENTIFIER_NODE for each identifier.
+ (FORALL_STRINGS, set_identifier): Delete.
+ (FORALL_IDS, expand_string_table, stringpool_statistics): Update.
+ (ggc_alloc_string): Use an obstack.
+ (get_identifier, maybe_get_identifier, mark_string_hash): Update.
+ * tree.h: Update comments.
+ (set_identifier): Delete.
+ * objc/objc-act.c (N_PQ, saved_pq, saved_not_pq,
+ save_and_forget_protocol_qualifiers, forget_protocol_qualifiers,
+ remember_protocol_qualifiers): Delete.
+
+Tue May 15 22:14:09 2001 Jeffrey A Law (law@cygnus.com)
+
+ * flow.c (life_analysis): After life analysis is complete, do
+ an optional scan over insns looking for REG_LABEL notes that
+ reference a deleted label.
+ (propagate_block_delete_insn): Verify INOTE is a CODE_LABEL
+ before peeking at LABEL_NUSES.
+
+2001-05-15 Richard Henderson <rth@redhat.com>
+
+ * unwind-sjlj.c (_Unwind_GetDataRelBase): New.
+ (_Unwind_GetTextRelBase): New.
+
+2001-05-15 Mark Mitchell <mark@codesourcery.com>
+
+ * config/sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Define.
+
+2001-05-15 Geoffrey Keating <geoffk@redhat.com>
+
+ * objc/objc-act.c (handle_class_ref): Use rest_of_decl_compilation
+ so that CHOOSE_SECTION gets used.
+
+ * config/rs6000/sysv4.h (ASM_PREFERRED_EH_DATA_FORMAT): Treat
+ TARGET_RELOCATABLE like flag_pic for now.
+
+2001-05-15 David Edelsohn <edelsohn@gnu.org>
+
+ * rs6000.md (movdi splitter): Sign extend more efficiently.
+ * rs6000.c (reg_or_arith_cint_operand): Redefine 64-bit constant
+ to "long long" valid on 32-bit and 64-bit hosts.
+ (logical_operand): Cast trunc_int_for_mode return value.
+ (rs6000_emit_move): Shift macro to encapsulate variable.
+ (rs6000_va_start): Use HOST_WIDE_INT_PRINT_DEC.
+ (rs6000_emit_{prologue,epilogue}): EH regno is unsigned but
+ plus_constant requires signed argument.
+
+2001-05-15 Loren J. Rittle <ljrittle@acm.org>
+
+ * gthr-posix.h: Make additional pthread-* functions weak.
+
+Tue May 15 13:51:32 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * recog.c (apply_change_group): Avoid unneeded validating.
+
+2001-05-14 David Edelsohn <edelsohn@gnu.org>
+
+ * rs6000.c (num_insns_constant_wide): Constants are sign-extended.
+ (num_insns_constant): CONST_INT can be 64-bits.
+
+2001-05-14 Stan Shebs <shebs@apple.com>
+
+ * config/darwin.h (LIB_SPEC): Just use -lSystem.
+ (LIBGCC_SPEC): Don't define.
+
+2001-05-14 Richard Henderson <rth@redhat.com>
+
+ * configure.in (gcc_cv_as_eh_frame): New test.
+ * config.in, configure: Rebuild.
+ * gcc.c (init_spec): Honor USE_AS_TRADITIONAL_FORMAT.
+
+2001-05-14 Andrew MacLeod <amacleod@redhat.com>
+
+ * config/ia64/lib1funcs.asm (__divtf3): Fix incorrect bits in
+ extended precision divide.
+
+2001-05-14 Andrew MacLeod <amacleod@redhat.com>
+
+ * config/ia64/ia64.c (rtx_needs_barrier): Call rtx_needs_barrier
+ for RETURNS as well.
+
+Mon May 14 17:34:48 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * i386.h (TARGET_64BIT): Define to constant if !TARGET_BI_ARCH
+ (CPP_CPU??_SIZE_TYPE): New.
+ (CPP_CPU??_SPEC, CPP_CPUCOMMON_SPEC): Break out from...
+ (CPP_CPU_SPEC): ... here; support choosing of CPU.
+ (EXTRA_SPECS): Add cpp_cpu??, cpp_cpu??sizet, cpp_cpucommon.
+ (MAX_LONG_TYPE_SIZE, MAX_BITS_PER_WORD): Define to 32 for 32bit-only
+ compiler.
+ * i386.c (override_options): Add sorry about not suported modes.
+
+Mon May 14 08:56:47 2001 Jeffrey A Law (law@cygnus.com)
+
+ * config/pa/som.h (NM_FLAGS): Remove.
+ (ASM_OUTPUT_FUNCTION_PREFIX): No longer truncate subspace names.
+ (ASM_OUTPUT_SECTION_NAME): Remove.
+ (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Likewise.
+
+2001-05-14 Mark Mitchell <mark@codesourcery.com>
+
+ * regrename.c (regrename_optimize): Do not rename registers to
+ leaf registers.
+
+2001-05-14 Alexandre Oliva <aoliva@redhat.com>
+
+ * rtl.texi (CALL_INSN_FUNCTION_USAGE): Note that (and when) it may
+ contain MEMs. Remove useless distinction about clobbering
+ registers.
+
+2001-05-13 Geoff Keating <geoffk@redhat.com>
+
+ * config/rs6000/rs6000.h (EXCEPTION_SECTION): Move to...
+ * config/rs6000/aix.h (EXCEPTION_SECTION): ... here.
+ * config/rs6000/sysv4.h (CONST_SECTION_ASM_OP): Delete.
+ (ASM_PREFERRED_EH_DATA_FORMAT): Define.
+ (EXCEPTION_SECTION): Define.
+
+2001-05-13 Zack Weinberg <zackw@stanford.edu>
+
+ * libgcc2.c, libgcc2.h: Restore __eprintf. Label as used for
+ binary backward compat only.
+ * Makefile.in (LIB2FUNCS_ST): New. Put _eprintf here, not
+ in LIB2FUNCS. Pass it to mklibgcc.
+ * mklibgcc.in: Handle LIB2FUNCS_ST.
+
+ * Makefile.in (installdirs): Don't create $(gcc_tooldir).
+
+2001-05-13 Alexandre Oliva <aoliva@redhat.com>
+
+ * tm.texi (THREAD_MODEL_SPEC): Document it.
+ * gcc.c (main): Use it.
+ * config/rs6000/aix43.h (THREAD_MODEL_SPEC): Define it.
+ * config/rs6000/aix51.h (THREAD_MODEL_SPEC): Likewise.
+
+2001-05-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
+
+ * rtl.h (SYMBOL_REF_WEAK): New macro.
+ * rtlanal.h (rtx_addr_can_trap): Use it, a weak SYMBOL_REF can trap.
+ * varasm.c (make_decl_rtl): Mark SYMBOL_REF weak if necessary.
+ * rtl.texi (SYMBOL_REF_WEAK): Document it.
+ * gcc.texi: Remove wrong description.
+
+2001-05-13 Mark Mitchell <mark@codesourcery.com>
+
+ * Makefile.in (STAMP): New macro.
+ Replace all uses of `touch' with $(STAMP).
+ * fixinc/Makefile.in: Likewise.
+
+Sun May 13 07:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * configure.in: ldopen is never in -lexc, so don't test for it.
+ Add test for exc_resume in -lexc for Ada.
+ * configure: Regenerated.
+
+2001-05-12 Richard Henderson <rth@redhat.com>
+
+ * dwarf2asm.c (size_of_encoded_value): New function.
+ * dwarf2asm.h: Declare it.
+ * except.c (output_function_exception_table): Align the TType
+ array only as wide as the encoding.
+
+2001-05-12 Zack Weinberg <zackw@stanford.edu>
+
+ * extend.texi: Document #pragma GCC java_exceptions.
+
+2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
+
+ * c-parse.in (bison parser, init_reswords): Remove uses of
+ doing_objc_thang.
+ * c-tree.h (doing_objc_thang): Remove.
+
+2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cpplex.c (_cpp_lex_token): Ensure we warn at most once
+ about files not ending in newlines.
+
+2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
+
+ * dwarfout.c (dwarfout_init): Add cast.
+ * sched-deps.c (sched_analyze_insn): Remove unused vars.
+ * unwind-dw2-fde.c (_Unwind_Find_FDE): Flag unused parameter so.
+cp:
+ * method.c (build_mangled_C99_name): Remove unused prototype.
+
+2001-05-12 Alexandre Oliva <aoliva@redhat.com>
+
+ * config/arm/arm.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Use delta.
+
+2001-05-12 Alexandre Oliva <aoliva@redhat.com>
+
+ * defaults.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Define.
+ * tm.texi (TARGET_PRTMEMFUNC_VBIT_LOCATION): Document.
+
+2001-05-11 Richard Henderson <rth@redhat.com>
+
+ * defaults.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
+ * dwarf2asm.c (dw2_force_const_mem, dw2_output_indirect_constant_1,
+ dw2_output_indirect_constants, dw2_asm_output_encoded_addr_rtx): New.
+ * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): Prototype.
+ (dw2_output_indirect_constants): Prototype.
+ * dwarf2out.c (dwarf2out_begin_prologue): Generate
+ current_function_func_begin_label if we'll need it for EH. Exit
+ early for IA64_UNWIND_INFO.
+ * except.c: Get DW_EH_PE_* defines from dwarf2.h.
+ (eh_data_format_name): Update for indirect references.
+ (output_function_exception_table): Care for IA64_UNWIND_INFO.
+ Handle ASM_PREFERRED_EH_DATA_FORMAT.
+ * except.h (MUST_USE_SJLJ_EXCEPTIONS): IA64_UNWIND_INFO needn't
+ define HAVE_eh_return etc.
+ * final.c (final_start_function): Always call dwarf2out_begin_prologue.
+ (final_end_function): Don't call output_function_exception_table.
+ * toplev.c (compile_file): Call dw2_output_indirect_constants.
+ (rest_of_compilation): Invoke output_function_exception_table
+ for ia64 before assemble_end_function.
+ * tm.texi (ASM_PREFERRED_EH_DATA_FORMAT): Document.
+ (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Document.
+
+ * unwind-dw2.c (_Unwind_GetTextRelBase, _Unwind_GetDataRelBase): New.
+ * unwind.h: Declare them.
+ * libgcc-std.ver: Export them.
+ * unwind-pe.h: New file.
+
+ * config/alpha/elf.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
+
+ * config/ia64/fde-glibc.c: Use "struct unw_table_entry"
+ instead of "fde".
+ (find_fde_for_dso): Extract DT_PLTGOT.
+ (_Unwind_FindTableEntry): Rename from __ia64_find_fde; return
+ the segment and gp as well.
+ * config/ia64/frame-ia64.c: Remove file.
+ * config/ia64/frame-ia64.h: Remove file.
+ * config/ia64/unwind-ia64.c: New file.
+ * config/ia64/unwind-ia64.h: New file.
+ * config/ia64/ia64.h (ASM_OUTPUT_EH_CHAR): Remove.
+ (ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT): Remove.
+ (ASM_OUTPUT_EH_DOUBLE_INT): Remove.
+ (ASM_PREFERRED_EH_DATA_FORMAT): New.
+ (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
+ (IA64_UNWIND_INFO): Re-enable.
+ (HANDLER_SECTION): Remove.
+ (EH_RETURN_DATA_REGNO): New.
+ * config/ia64/ia64.md (exception_receiver): Remove.
+ * config/ia64/t-glibc (LIB2ADDEH): Re-enable.
+ * config/ia64/t-ia64 (LIB2ADDEH): Re-enable.
+
+2001-05-11 Richard Henderson <rth@redhat.com>
+
+ * config/ia64/ia64.c (group_barrier_needed_p): Don't allow
+ calls and jumps to be bundled together.
+ (ia64_reorg): Emit a break after a noreturn call that ends
+ a function.
+ * config/ia64/ia64.md (break_f): New.
+
+2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * c-lex.c (lex_charconst): Convert into a simple wrapper
+ around cpp_interpret_charconst, to which most of the code
+ body is moved.
+ * cppexp.c (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE,
+ MAX_LONG_TYPE_SIZE, MAX_INT_TYPE_SIZE, MAX_CHAR_TYPE_MASK,
+ MAX_WCHAR_TYPE_MASK, parse_escape, parse_charconst): Remove.
+ (lex): Use cpp_interpret_charconst.
+ * cpplex.c (parse_escape, read_ucs, cpp_interpret_charconst,
+ hex_digit_value): New functions.
+ (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): New macros.
+ * cpplib.h (cpp_interpret_charconst): New prototype.
+ * Makefile.in: Update.
+
+2001-05-12 Dean Wakerley <dean@wakerley.com>
+
+ * doc/install.texi: New file. Converted to texinfo from the HTML
+ documentation in wwwdocs/htdocs/install.
+
+Fri May 11 15:50:13 2001 Jeffrey A Law (law@cygnus.com)
+
+ * gcse.c (insert_insn_end_bb): Do not search for assignments to
+ non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
+
+ * toplev.c (compile_file): Move comment for opening output
+ file to just before the code that opens the output file.
+
+2001-05-11 Jakub Jelinek <jakub@redhat.com>
+
+ * regmove.c (regmove_optimize): Suppress the optimization for
+ unchanging destination register. Add comment above function.
+
+2001-05-11 Zack Weinberg <zackw@stanford.edu>
+
+ * Makefile.in: Exterminate all references to assert.h.
+ * cross-make: Likewise.
+ * assert.h: Delete.
+ * configure.in: Correct commentary.
+ * configure: Regenerate.
+
+ * libgcc-std.ver, libgcc2.c, libgcc2.h, sys-protos.h:
+ Remove __eprintf.
+
+ * config/t-freebsd, config/t-linux, config/t-linux-aout,
+ config/t-netbsd, config/t-rtems, config/x-linux,
+ config/i386/t-beos, config/mcore/t-mcore, config/mcore/t-mcore-pe:
+ No need to override INSTALL_ASSERT_H.
+
+ * fixinc/fixinc.dgux, fixinc/fixinc.interix, fixinc/fixinc.ptx,
+ fixinc/fixinc.svr4, fixinc/fixinc.winnt, fixinc/fixinc.wrap,
+ fixinc/fixincl.sh: Don't install assert.h into objdir/include.
+
+2001-05-11 Graham Stott <grahams@redhat.com>
+
+ * combine.c (simplify_comparison): Fix typo.
+
+2001-05-11 Mark Mitchell <mark@codesourcery.com>
+
+ * loop.h (struct movables): Remove `num'.
+ * loop.c (scan_loop): Don't set it. Use count_insns_in_loop.
+ Adjust call to strength_reduce.
+ (num_unmoved_movables): New function.
+ (move_movables): Don't set movables->num.
+ (strength_reduce): Compute the number of instructions in the loop
+ here, rather than in the caller.
+ (check_dbra_loop): Always clear reversible_mem_store if there
+ are any memory sets.
+ (loop_regs_scan): Don't count instructions here.
+ (count_insn_in_loop): New function.
+
+2001-05-11 Mark Mitchell <mark@codesourcery.com>
+
+ * optabs.c (emit_libcall_block): Don't mark calls as CONST_CALL_P.
+
+2001-05-11 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * c-common.c (finish_label_expr): New function, lifted from
+ from cp/semantics.c.
+ * c-common.h (finish_label_expr, lookup_label): New prototypes.
+ * c-parse.in: Move 3 blocks of parser code into new functions.
+ * c-typeck.c (simple_asm_stmt, c_cast_expr): New functions.
+ * c-tree.h (simple_asm_stmt, c_cast_expr): New prototypes.
+ (lookup_label): Remove.
+
+2001-05-11 Alexandre Oliva <aoliva@redhat.com>
+
+ * config/mn10300/t-mn10300 (dp-bit.c, fp-bit.c): Don't define
+ FLOAT_BIT_ORDER_MISMATCH.
+
+2001-05-10 David Edelsohn <edelsohn@gnu.org>
+
+ * expr.c (emit_push_insn): Convert PUSH_ROUNDING argument to
+ bytes. Reported by Kazu Hirata <kazu@hxi.com>.
+
+2001-05-10 David Edelsohn <edelsohn@gnu.org>
+
+ * expr.c (emit_group_load): extract_bit_field requires a REG or
+ MEM as an argument.
+
+Thu May 10 14:45:44 2001 Jeffrey A Law (law@cygnus.com)
+
+ * cse.c (cse_insn): Mostly remove first hunk of code which collapsed
+ a computed jump into an unconditional jump.
+ In second hunk of code for collapsing computed and conditional jumps
+ into unconditional jumps, reemit the jump in additional cases.
+
+ * jump.c (jump_optimize_1): Do not wrap the new jump target
+ inside a LABEL_REF; gen_jump will do that automatically.
+
+2001-05-10 Toon Moene <toon@moene.indiv.nluug.nl>
+
+ * dwarf2out.c (mem_loc_descriptor): Do not pass constant pool
+ contents for a SYMBOL_REF in case of floating point constants.
+
+2001-05-10 DJ Delorie <dj@redhat.com>
+
+ * c-common.c (combine_strings): Widen strings in a
+ host-endian-independent way.
+
+2001-05-10 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-parse.in: Remove many shift/reduce conflicts. Update
+ %expect values.
+ (declspecs_nosc_nots_nosa_noea, declspecs_nosc_nots_nosa_ea,
+ declspecs_nosc_nots_sa_noea, declspecs_nosc_nots_sa_ea,
+ declspecs_nosc_ts_nosa_noea, declspecs_nosc_ts_nosa_ea,
+ declspecs_nosc_ts_sa_noea, declspecs_nosc_ts_sa_ea,
+ declspecs_sc_nots_nosa_noea, declspecs_sc_nots_nosa_ea,
+ declspecs_sc_nots_sa_noea, declspecs_sc_nots_sa_ea,
+ declspecs_sc_ts_nosa_noea, declspecs_sc_ts_nosa_ea,
+ declspecs_sc_ts_sa_noea, declspecs_sc_ts_sa_ea, declspecs_ts,
+ declspecs_nots, declspecs_ts_nosa, declspecs_nots_nosa,
+ declspecs_nosc_ts, declspecs_nosc_nots, declspecs_nosc, declspecs,
+ maybe_type_quals_setattrs, typespec_nonattr, typespec_attr,
+ typespec_reserved_nonattr, typespec_reserved_attr,
+ typespec_nonreserved_nonattr, maybe_setattrs, structsp_attr,
+ structsp_nonattr, components_notype, component_notype_declarator,
+ absdcl1_ea, absdcl1_noea, direct_absdcl1, absdcl_maybe_attribute,
+ firstparm, setspecs_fp): New
+ (typed_declspecs, reserved_declspecs, typed_typespecs,
+ reserved_typespecquals, declmods, typespec, typespecqual_reserved,
+ typed_declspecs_no_prefix_attr reserved_declspecs_no_prefix_attr
+ declmods_no_prefix_attr, nonempty_type_quals, structsp,
+ type_quals): Remove. Users updated.
+ (initdecls, notype_initdecls, after_type_declarator,
+ parm_declarator, notype_declarator, absdcl1, components, ivars):
+ Don't allow attributes at the start of a declarator; include them
+ in the production containing the declarator instead. Always
+ require type specifiers before trying to redeclare a typedef name.
+ (typename): Allow for attributes but warn that they are ignored.
+ (parmlist, firstparm, setspecs_fp): Include attributes in
+ parmlist; suck them off the parser stack in firstparm using
+ setspecs_fp.
+
+Thu May 10 09:17:42 2001 Jeffrey A Law (law@cygnus.com)
+
+ * ifcvt.c (merge_if_block): Use any_uncondjump_p, not simplejump_p
+ to determine if a block has an unconditional jump at its end.
+
+ * jump.c (jump_optimize_1): When converting a conditional jump
+ to an unconditional jump, build the jump using gen_jump instead
+ of just modify operands in-place.
+
+2001-05-09 Zack Weinberg <zackw@stanford.edu>
+
+ * cppinit.c (cpp_post_options): Shut off macro expansion if
+ -fpreprocessed.
+ * cpplib.c (_cpp_handle_directive): If -fpreprocessed, accept
+ IN_I directives only if the # is in column 1 and the directive
+ name begins in column 2.
+ * cppmain.c (scan_buffer): Insert a space between # and an
+ identifier, when that identifier is a directive name.
+
+ * tradcpp.c (struct file_buf): Add a pointer to the next entry
+ in the header search path.
+ (enum node_type): Add T_INCLUDE_NEXT.
+ (directive_table): Add entry for include_next.
+ (do_include_next): New function.
+ (process_include): New routine, broken out of do_include.
+ (finclude): Insert 'nhd' argument, to be copied into
+ next_header_dir of the new buffer.
+ (main): Adjust to match.
+ * gsyslimits.h, limity.h: Un-indent #include_next.
+
+2001-05-09 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * objc.texi: Move from ../libobjc/objc-features.texi. Adjust for
+ inclusion as a chapter of the GCC manual.
+ * gcc.texi: Include objc.texi.
+ * fdl.texi: Use @unnumberedsec for the addendum.
+ * Makefile.in ($(srcdir)/gcc.info, gcc.dvi): Update dependencies.
+
+Wed May 9 16:01:41 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * i386.md (DImode move splitters): Use !MMX and !SSE for the condition.
+
+Wed May 9 10:40:25 2001 Alexandre Oliva <aoliva@redhat.com>
+
+ * regclass.c (scan_one_insn): Update REG_N_REFS when optimizing
+ handling of two-address insns.
+
+Wed May 9 10:36:18 2001 Alexandre Oliva <aoliva@redhat.com>
+
+ * Makefile.in (NM_FOR_TARGET): Look for ./nm, then
+ ../binutils/nm-new instead of ../binutils/nm.
+
+Wed May 9 12:15:46 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * i386.md (movdi splitter): Fix the splitting condition
+ (float_extenddftf splitter): Fix mode.
+
+Wed May 9 12:05:39 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * genrecog.c (write_switch): Avoid outputting of switch for
+ types wider than int.
+
+2001-05-03 Andrew Haley <aph@cambridge.redhat.com>
+
+ * reload1.c (copy_eh_notes): New function.
+ (emit_input_reload_insns): Call it.
+ (emit_output_reload_insns): Call it.
+
+2001-05-07 Zack Weinberg <zackw@stanford.edu>
+
+ * config.gcc (i[34567]86-*-sco3.2v4*, i[34567]86-*-sco*):
+ Delete stanzas.
+ * config/i386/sco.h, config/i386/sco4.h, config/i386/scodbx.h,
+ config/i386/sco4dbx.h, config/i386/x-sco4: Delete file.
+
+ * optabs.c: Delete #ifdef BROKEN_LDEXP block.
+
+2001-05-07 John David Anglin <dave@hiauly1.hia.nrc.ca>
+
+ * pa.md (interspace_jump): Revise comment.
+ (builtin_longjmp): Block initial setup insns from delay slot of
+ interspace branch.
+ (builtin_setjmp_receiver): New expander to save and restore PIC
+ register.
+
+ * som.h (NM_FLAGS): Remove `-n' sort option. Revise comment.
+
+Mon May 7 09:30:14 2001 Jeffrey A Law (law@cygnus.com)
+
+ * toplev.c (compile_file): Set up the output file before we call
+ the various initializers for the compiler.
+
+ * except.c (sjlj_mark_call_sites): Do not search for assignments to
+ non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
+
+ * pa.h (MAX_LONG_TYPE_SIZE): Should be 32, not 64.
+ * pa-64.h (*_TYPE_SIZE): Undefine before redefining.
+
+2001-05-06 Zack Weinberg <zackw@stanford.edu>
+
+ * Makefile.in (tradcpp0): Correct typo in dependency list.
+
+2001-05-06 Geoff Keating <geoffk@redhat.com>
+
+ * config/rs6000/rs6000.c (rs6000_emit_prologue): Don't save
+ the link register if we're not going to use it.
+
+ * config/rs6000/rs6000.c (output_profile_hook): Fix a warning.
+ (output_function_profiler): Likewise.
+
+2001-05-07 Alan Modra <amodra@one.net.au>
+
+ * pa.c (compute_frame_size): 64-bit frame marker is 16 bytes.
+
+2001-05-06 Alexandre Oliva <aoliva@redhat.com>
+
+ * unroll.c (loop_iterations): Don't sign-extend abs_diff;
+ zero-extend it. Make abs_inc unsigned.
+
+ * optabs.c (expand_binop): Sign-extend xop0 and xop1 from the
+ widest mode in narrowing and widening operations.
+
+ * config/mips/mips.md: Sign extend CONST_INTs.
+
+2001-05-06 Andreas Jaeger <aj@suse.de>
+
+ * invoke.texi (Option Summary): Add -momit-leaf-frame-pointer
+ (i386 Options): Document -momit-leaf-frame-pointer.
+
+2001-05-06 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * c-typeck.c (internal_build_compound_expr): Check for
+ array to pointer conversion just once.
+
+2001-05-05 Richard Henderson <rth@redhat.com>
+
+ * integrate.c (copy_insn_list): Substitute NOTE_EXPECTED_VALUE.
+
+2001-05-05 Richard Henderson <rth@redhat.com>
+
+ * except.c (remove_fixup_regions): Adjust REG_EH_REGION notes
+ to the parent of the fixup region.
+
+2001-05-05 Jakub Jelinek <jakub@redhat.com>
+
+ * gcc.c (cpp_options): Define __NO_INLINE__ unless we are honoring
+ "inline" keyword.
+ * cpp.texi (__NO_INLINE): Document it.
+
+2001-05-05 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cppfiles.c (struct include_file): New member err_no.
+ (find_or_create_entry): Set it.
+ (open_file): Don't set fds to -2. Instead, use err_no to
+ remember previous errors, if any.
+
+2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
+
+ * config/m68hc11/m68hc11.c (m68hc11_gen_movhi): Optimize moves
+ between X and Y by using sequences of xgdx and xgdy.
+
+2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
+
+ * config/m68hc11/m68hc11.md ("*logicalsi3_silshr16"): Use '?' instead
+ of '!' for the 'D' alternative ('!' is too strong).
+ ("*logicalsi3_silshl16"): Likewise.
+ ("movstricthi"): Accept 'A' when 'd' constraint, remove spurious '+'.
+ ("movstrictsi"): Remove spurious '+'.
+ ("movstrictqi"): Don't accept 'A' and remove spurious '+'.
+ ("tstqi_1", "*lshrqi3_const1"): Put 'm' constraint before 'd'.
+ ("subqi3"): Disparage with '!' the 'x' and 'y' registers to avoid
+ a reload to them.
+
+2001-05-04 David Edelsohn <edelsohn@gnu.org>
+
+ * calls.c (store_one_arg): Don't divide align by BITS_PER_UNIT.
+
+2001-05-04 Lars Brinkhoff <lars@nocrew.org>
+
+ * simplify-rtx.c (simplify_binary_operation): Simplify ~a + 1
+ into -a.
+
+2001-05-04 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
+
+ * config/rs6000/rs6000.md (ashldi3 splits): Guard with
+ TARGET_POWERPC64.
+
+2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
+
+ * config/m68hc11/m68hc11.md (lshrhi3_const1): Fix shift of
+ soft register, use ror instead of rol.
+
+2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
+
+ * config/m68hc11/m68hc11.c (m68hc11_check_z_replacement): Take
+ into account pre/post increment decrement for 68HC12.
+ Fix other problems in replacement and fix call to reg_mentioned_p.
+
+2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
+
+ * config/m68hc11/larith.asm (L_regs_frame): New for _.frame.
+ Put the soft registers in bss for 68HC12.
+ (L_regs_d3_4): New for _.d3 and _.d4.
+ (L_regs_d5_6): Likewise.
+ (L_regs_d1_2): Likewise.
+ * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Compile new parts.
+
+2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
+
+ * config/m68hc11/m68hc11.h (CPP_SPEC): Pass -D__HAVE_SHORT_DOUBLE__
+ to the pre-processor when -fshort-double is specified.
+ * config/m68hc11/m68hc11.2 (CPP_SPEC): Likewise.
+
+2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
+
+ * config/m68hc11/larith.asm (divmodhi4): Empty for 68HC12.
+ (__mulsi3): Rewrite for 68HC12.
+ * config/m68hc11/m68hc11.md (divmodhi4): Use idivs for 68HC12.
+ Mark 'x' constraint with earlyclobber to prevent a
+ RELOAD_FOR_OTHER_ADDRESS to go in it.
+ (mulhi3_m68hc12): New pattern.
+ (mulhi3_m68hc11): Rename of mulhi3.
+ (mulhi3): New expand for 68HC12 optimisation.
+ (umulhisi3, mulhisi3): New patterns for 68HC12.
+
+2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
+
+ * config/m68hc11/m68hc11.md (*tbne, *tbeq): New patterns for 68HC12.
+ (extendqisi2, extendqihi2, extendhisi2): Use sex for 68HC12.
+ (uminqi3, umaxqi3, uminhi3, umaxhi3): New pattern for 68HC12.
+
+2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
+
+ * config/m68hc11/m68hc11.h (CONST_COSTS): Make the cost of
+ constants cheap after reload.
+ * config/m68hc11/m68hc11.c (m68hc11_shift_cost): Shift by 16 and 32
+ are cheap.
+ (m68hc11_rtx_costs): Cost of multiplication by 65536 is expensive
+ so that gcc prefers a shift by 16.
+ (m6811_cost, m6812_cost): Make the shift cheap compared to an add.
+
+2001-05-04 Nick Clifton <nickc@cambridge.redhat.com>
+
+ * config/arm/elf.h (ASM_OUTPUT_ALIGNED_COMMON): Define.
+
+2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * alpha.h: NULL_PTR -> NULL.
+ * arm.c: Likewise.
+ * arm.h: Likewise.
+ * avr.h: Likewise.
+ * c4x.c: Likewise.
+ * c4x.h: Likewise.
+ * i386.c: Likewise.
+ * i386.md: Likewise.
+ * i860.c: Likewise.
+ * ia64.c: Likewise.
+ * m68hc11.h: Likewise.
+ * rs6000.h: Likewise.
+ * sh.c: Likewise.
+ * sh.h: Likewise.
+ * sparc.h: Likewise.
+ * v850.c: Likewise.
+
+ * expr.c: Likewise.
+ * final.c: Likewise.
+ * gcc.c: Likewise.
+ * recog.c: Likewise.
+
+2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * i386.c (ix86_emit_restore_regs_using_mov, ix86_save_reg): Change
+ `bool' parameter to `int'.
+
+ * hash.c (hash_lookup): Likewise.
+
+ * hash.h (hash_lookup): Likewise.
+
+ * tlink.c (symbol_hash_lookup, demangled_hash_lookup): Likewise.
+
+Fri May 4 13:10:03 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * i386.c (x86_initialize_trampoline): Fix mode of constant.
+
+2001-05-03 Geoff Keating <geoffk@redhat.com>
+
+ * invoke.texi (i386 Options): Delete references to -malign-jumps,
+ -malign-loops, -malign-functions.
+ * i386.c (ix86_align_funcs): Delete.
+ (ix86_align_loops): Delete.
+ (ix86_align_jumps): Delete.
+ (override_options): Mark -malign-* as obsolete. Emulate their
+ behavior with the -falign-* options. Default -falign-* from
+ the processor table.
+ * i386.h (FUNCTION_BOUNDARY): Define to 16; revert Richard Kenner's
+ patch of Wed May 2 13:09:36 2001.
+ (LOOP_ALIGN): Delete.
+ (LOOP_ALIGN_MAX_SKIP): Delete.
+ (LABEL_ALIGN_AFTER_BARRIER): Delete.
+ (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Delete.
+
+2001-05-04 Andreas Jaeger <aj@suse.de>
+
+ * except.h: Add prototype declaration for
+ expand_builtin_init_dwarf_reg_sizes.
+
+2001-05-03 Geoffrey Keating <geoffk@redhat.com>
+
+ * Makefile.in (site.exp): Set TESTING_IN_BUILD_TREE.
+
+2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
+
+ * config/m68hc11/m68hc11.md ("bitcmpqi"): New pattern for bitb
+ instruction.
+ ("bitcmpqi2"): New pattern for bit-extract and test.
+ ("bitcmphi"): New pattern for bitb/bita instructions.
+
+2001-05-03 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * gccbug.in: Use a temporary directory when the mktemp command is
+ not available.
+
+2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
+
+ * config/m68hc11/m68hc11.h (STATIC_CHAIN_REGNUM): Use soft z register
+ instead of _.d1.
+ (INITIALIZE_TRAMPOLINE): Call it.
+ (TRAMPOLINE_SIZE): Define according to 68HC11/68HC12.
+ (TRAMPOLINE_TEMPLATE): Remove.
+ * config/m68hc11/m68hc11.c (m68hc11_initialize_trampoline): New.
+ * config/m68hc11/m68hc11-protos.h (m68hc11_initialize_trampoline):
+ Declare.
+
+2001-05-03 David O'Brien <obrien@FreeBSD.org>
+
+ * config/t-freebsd: Don't install "assert.h" in gcc. Compile crtbeginS.o
+ and crtendS.o with PIC.
+
+2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
+
+ * config/m68hc11/larith.asm (__mulqi3): Fix multiplication of two
+ negative numbers.
+ (___subdi3, ___adddi3): Use x instead of y as index register.
+ (__init_bss_section, __map_data_section): Optimize for 68HC12.
+ (__memset, __memcpy): Likewise.
+ (regs): Put the soft registers in bss for 68HC12.
+ (abort): Use trap to abort for 68hc12.
+ (__mulhi3, __mulhi32): Use emul for 68hc12.
+ (__mulsi3): Avoid to use the tmp soft register for 68hc12.
+
+2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
+
+ * config/m68hc11/m68hc11.h (LIMIT_RELOAD_CLASS): Don't define.
+ * config/m68hc11/m68hc11-protos.h (limit_reload_class): Remove.
+ * config/m68hc11/m68hc11.c (limit_reload_class): Remove.
+ (m68hc11_override_options): Remove setting of flag_no_nonansi_builtin.
+ Set 68HC12 min offset to -65536.
+ (print_operand): Put parenthesis arround the operand if it refers
+ to a symbol having the same name as a register.
+ (m68hc11_z_replacement): When z register is replaced by its
+ equivalent soft register, force the insn to be re-recognized.
+ (m68hc11_check_z_replacement): Fix the test when destination is
+ the index register and z dies in the insn.
+ (m68hc11_reorg): Remove the REG_DEAD notes beforce recomputing them.
+
+2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
+
+ * config/m68hc11/m68hc11.c (m68hc11_override_options): Initialize
+ costs according to processor variant.
+ (m68hc11_shift_cost): New function to compute shift costs.
+ (m68hc11_rtx_costs): Define costs according to processor variant.
+ (m6811_cost): Costs for 68HC11.
+ (m6812_cost): Costs for 68HC12.
+ (COSTS_N_INSNS): Remove.
+
+ * config/m68hc11/m68hc11.h (RTX_COSTS): New.
+ (DEFAULT_RTX_COSTS): Remove.
+ (CONST_COSTS): Define costs according to OUTER_CODE.
+ (processor_costs): New struct to define costs.
+ (m68hc11_cost): Pointer to current costs.
+
+2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
+
+ * config/m68hc11/m68hc11.md (*addhi3_68hc12): Fix generation
+ and use m68hc11_notice_keep_cc when using leax/leay.
+ (addhi3 split): Reject split if the insn is handled by
+ leax/leay above.
+ * config/m68hc11/m68hc11.c (m68hc11_split_move): For 68HC12 the
+ push must be handled in a special way if the source operand uses
+ sp as index register.
+ (m68hc11_notice_keep_cc): New function.
+ (m68hc11_gen_movhi): Use it when an insn changes a register but
+ not the flags.
+ (m68hc11_gen_movqi): Fix move for 68HC12.
+ * config/m68hc11/m68hc11-protos.h (m68hc11_notice_keep_cc): Declare.
+
+2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
+
+ * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Use LCT_CONST
+ and don't pass operands[0] to emit_library_call_value.
+
+2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
+
+ * config/m68hc11/m68hc11.md (tsthi_1): Use cpd for 68HC12.
+ (zero_extendsi split): Simplify and use (zero_extendhi).
+ (*addhi3): Remove 'w' constraint since stack pointer is handled
+ by (addhi3_sp).
+ (*ashlhi3_2): Operand 2 is clobbered use '+' for its constraint.
+ (*ashlhi3, *ashrhi3, *lshrhi3): Likewise.
+ (*ashrhi3_const): Fix shift by 7.
+ (*lshrsi3_const16): Fix template.
+ (call, call_value): Fix constraint and predicate.
+
+2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
+
+ * config/m68hc11/m68hc11.md (X_REGNUM, D_REGNUM): New constant.
+ (Y_REGNUM, SP_REGNUM, PC_REGNUM, A_REGNUM, B_REGNUM): Likewise.
+ (CC_REGNUM): Likewise.
+ (*unnamed splits): Use above constants instead of hard coded numbers.
+ (*adcq, *subcq, *addsi_carry, *rotlqi3_with_carry): Likewise.
+ (*rotlhi3_with_carry, *rotrhi3_with_carry): Likewise.
+ (*return_16bit, *unnamed peepholes): Likewise.
+
+2001-05-03 David O'Brien <obrien@FreeBSD.org>
+
+ * config.gcc(rs6000-ibm-aix|powerpc-ibm-aix): Do not include
+ rs6000/rs6000.h twice.
+
+2001-05-03 Mark Elbrecht <snowball3@bigfoot.com>
+
+ * config/i386/djgpp.h (CPP_PREDEFINES): Define __GO32__.
+ (CPP_SPEC): Conditionally define MSDOS and GO32.
+ (SUBTARGET_SWITCHES): Ignore -mbnu210 and -mno-bnu210.
+ (SUBTARGET_OVERRIDE_OPTIONS): Warn that -mbnu210 and -mno-bnu210 are
+ ignored.
+ (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Remove.
+
+2001-05-03 Alexandre Oliva <aoliva@redhat.com>
+
+ * config/mn10300/mn10300.md: Sign-extend GEN_INT operands.
+
+2001-05-03 Mark Mitchell <mark@codesourcery.com>
+
+ * integrate.h (struct inline_remap): Add leaf_reg_map table.
+ * integrate.c (expand_inline_function): Use xcalloc to allocate
+ memory.
+ (copy_rtx_and_substitute): Use the leaf_reg_map for leaf
+ registers.
+
+2001-05-03 Mark Mitchell <mark@codesourcery.com>
+
+ * c-dump.c (dequeue_and_dump): Don't look at DECL_ASSEMBLER_NAME
+ if it is not set.
+
+2001-05-03 Alexandre Oliva <aoliva@redhat.com>
+
+ * config/mn10300/mn10300.h (LINK_SPEC): Pass --relax to the
+ linker if -mrelax is given.
+ (TARGET_SWITCHES): Document -mrelax.
+
+ Re-installed 2001-01-09's patch:
+ * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
+ if it's wider than long and the target's long is wider than the
+ host's.
+
+2001-05-02 David O'Brien <obrien@FreeBSD.org>
+
+ * config.gcc, config/rs6000/aix51.h, config/rs6000/mach.h: Do not
+ directly include rs6000/rs6000.h. Instead do it in tm.h.
+
+2001-05-02 Stan Shebs <shebs@apple.com>
+
+ * objc/objc-act.c (STRING_OBJECT_CLASS_NAME): Default to
+ NSConstantString for NeXT-style runtimes.
+ (STRING_OBJECT_GLOBAL_NAME): New macro.
+ (enum objc_tree_index): Add values OCTI_CNST_STR_GLOB_ID and
+ OCTI_STRING_CLASS_DECL.
+ (constant_string_global_id): New macro.
+ (string_class_decl): Ditto.
+ (setup_string_decl): New function.
+ (build_objc_string_object): Use it to build a NeXT runtime
+ compatible string initializer.
+
+2001-05-02 Jakub Jelinek <jakub@redhat.com>
+
+ * tradcpp.c (do_define): Make sure we don't walk past limit.
+
+2001-05-01 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
+
+ * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow any stack
+ offsets if not REG_OK_STRICT.
+
+ * config/rs6000/rs6000.h (REG_OK_STRICT_FLAG): New macro.
+ (INT_REG_OK_FOR_INDEX_P): Likewise.
+ (INT_REG_OK_FOR_BASE_P): Likewise.
+ (REG_OK_FOR_INDEX_P): Use INT_REG_OK_FOR_INDEX_P.
+ (REG_OK_FOR_BASE_P): Use INT_REG_OK_FOR_BASE_P.
+ (LEGITIMATE_OFFSET_ADDRESS_P): Use INT_REG_OK_FOR_INDEX_P and
+ INT_REG_OK_FOR_BASE_P instead of REG_OK_FOR_INDEX_P and
+ REG_OK_FOR_BASE_P. Take an additional parameter.
+ (LEGITIMATE_INDEXED_ADDRESS_P): Likeewise.
+ (LEGITIMATE_INDIRECT_ADDRESS_P): Likewise.
+ (LEGITIMATE_LO_SUM_ADDRESS_P): Likewise.
+ (GO_IF_LEGITIMATE_ADDRESS): Move code into new function
+ rs6000_legitimate_address() and use it.
+ * config/rs6000/rs6000.c: Update all callers.
+ (rs6000_legitimate_address): New function.
+
+2001-05-02 David Edelsohn <edelsohn@gnu.org>
+
+ * config/rs6000/rs6000.c (rs6000_emit_move): Merge
+ special_constant conditional blocks together.
+
+2001-05-02 Dale Johannesen <dalej@apple.com>
+
+ * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Remove unused NAMED
+ parameter.
+ (STRICT_ARGUMENT_NAMING): Define.
+ * config/rs6000/rs6000.c (function_arg_advance, function_arg,
+ function_arg_partial_nregs, setup_incoming_varargs): Remove
+ args logic which depends on "named" now that STRICT_ARGUMENT_NAMING
+ is defined.
+
+Wed May 2 13:09:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * config/i386/i386.h (FUNCTION_BOUNDARY): Result is unsigned.
+
+ * function.c (fixup_var_regs_1, case SUBREG): Use promoted mode
+ for replacement.
+
+ * expr.c (store_field): Do nothing except elaborate side-effects if
+ zero-bit field.
+
+2001-05-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * c-lex.c: NULL_PTR -> NULL.
+ * cse.c: Likewise.
+ * emit-rtl.c: Likewise.
+ * gcse.c: Likewise.
+ * genpeep.c: Likewise.
+ * jump.c: Likewise.
+ * mips-tdump.c: Likewise.
+ * reload1.c: Likewise.
+ * rtlanal.c: Likewise.
+ * stmt.c: Likewise.
+ * stor-layout.c: Likewise.
+ * toplev.c: Likewise.
+
+2001-05-01 Per Bothner <per@bothner.com>
+
+ * expr.c (expand_expr): When compiling LABELED_BLOCK_EXPR,
+ call do_pending_stack_adjust before emiting label.
+
+2001-05-01 Mark Mitchell <mark@codesourcery.com>
+
+ * extend.texi: Fix typo.
+
+2001-05-01 Stan Shebs <shebs@apple.com>
+
+ * objc/objc-act.c (build_module_descriptor): Clear DECL_CONTEXT
+ of UOBJC_MODULES_decl.
+ (generate_strings): Clear DECL_CONTEXT of new decl nodes.
+ (generate_descriptor_table): Ditto.
+ (generate_protocols): Ditto.
+ (generate_protocol_list): Ditto.
+ (generate_classref_translation_entry): Ditto.
+
+2001-05-01 Jeffrey Oldham <oldham@codesourcery.com>
+
+ * invoke.texi (Optimize Options): Add documentation for `--param
+ max-delay-slot-insn-search' and `--param
+ max-delay-slot-live-search' and reorder --param section.
+ * params.def: Modify initial comment.
+ * params.h (param_info): Add `help' member.
+ * toplev.c (lang_independent_params): Include `help' description.
+ (display_help): Print --param parameters.
+
+2001-05-01 Zack Weinberg <zackw@stanford.edu>
+
+ * config.gcc: Don't default xmake_file to ${cpu_type}/x-${cpu_type}.
+ Remove references to deleted files.
+ (*-*-openbsd): No need to override xmake_file.
+ (*-*-sysv4): Treat like *-*-sysv.
+
+ * configure.in: Probe for ldopen in various places, and set up
+ collect2 to be linked with them if found.
+ Don't dink with Windows registry stuff unless $host_os is a
+ Win32 os name. Check to see if we need -ladvapi32.
+ * configure: Regenerate.
+
+ * Makefile: Get rid of CLIB and HOST_CLIB.
+ Substitute in COLLECT2_LIBS and link collect2 against its contents.
+ * build-make: Get rid of HOST_CLIB.
+
+ * config/a29k/x-unix, config/alpha/x-osf, config/i386/x-aix,
+ config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
+ config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
+ config/mips/x-sysv, config/rs6000/x-aix31, config/rs6000/x-aix41,
+ config/rs6000/x-rs6000: Delete.
+
+ * config/i386/x-cygwin, config/m68k/t-aux, config/mips/x-iris:
+ Don't set CLIB.
+
+ 24 x-host fragments remain, 0 x-cpu, 3 top level.
+
+2001-05-01 Zack Weinberg <zackw@stanford.edu>
+
+ * aclocal.m4 (gcc_AC_C_CHAR_BIT): Correct test program.
+ * configure: Regenerate.
+
+2001-05-01 Angela Marie Thomas <angela@cygnus.com>
+
+ * Makefile.in (install-headers): Remove redundant dependency.
+
+2001-05-01 Nathan Sidwell <nathan@codesourcery.com>
+
+ * c-tree.texi (USING_STMT): Document.
+
+2001-05-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * bitmap.c: Change NULL_PTR to NULL or "(rtx*)0".
+ * c-common.c: Likewise.
+ * c-decl.c: Likewise.
+ * combine.c: Likewise.
+ * rs6000.c: Likewise.
+ * except.c: Likewise.
+ * explow.c: Likewise.
+ * expr.c: Likewise.
+ * fold-const.c: Likewise.
+ * function.c: Likewise.
+ * gcc.c: Likewise.
+ * gcse.c: Likewise.
+ * integrate.c: Likewise.
+ * loop.c: Likewise.
+ * objc/objc-act.c: Likewise.
+ * recog.c: Likewise.
+ * reg-stack.c: Likewise.
+ * reload.c: Likewise.
+ * reload1.c: Likewise.
+ * simplify-rtx.c: Likewise.
+ * stmt.c: Likewise.
+ * varasm.c: Likewise.
+
+2001-05-01 Gabriel Dos Reis <gdr@codesourcery.com>
+
+ * diagnostic.def: New file.
+ * diagnostic.h (diagnostic_t): New enum.
+ * Makefile.in (diagnostic.o): Depend on diagnostic.def
+
+2001-04-30 Zack Weinberg <zackw@stanford.edu>
+
+ * tsystem.h: Test only POSIX for availability of string.h
+ and time.h.
+ * config.gcc (all systems): If USG appeared in xm_defines,
+ change it to POSIX. If both USG and POSIX appeared, just
+ delete USG. Remove unnecessary quotes around xm_defines
+ settings.
+ (m68k-crds-unos*): Don't #define unos - tested nowhere.
+ (m68k-apple-aux*): Don't #define AUX - tested nowhere.
+ (alpha*-*-linux*ecoff*, powerpc-*-linux*libc1,
+ powerpc-*-linux*): No need to set xm_defines - handled by
+ global settings for *-*-linux*.
+
+2001-04-30 Zack Weinberg <zackw@stanford.edu>
+
+ * dbxout.c, mips-tfile.c, config/mips/mips.c, xcoffout.c:
+ Always include gstab.h, not system stab.h. Don't provide
+ default definitions of N_CATCH or N_OPT. Always use the
+ gstab.h variant of STAB_CODE_TYPE.
+ * final.c: Don't include stab.h/gstab.h at all, or provide
+ defaults for N_SLINE and N_SOL.
+
+ * xcoffout.c: Can assume N_MAIN, N_DSLINE, N_BSLINE, N_BINCL,
+ N_EINCL, N_EXCL, N_M2C, N_SCOPE, N_CATCH, and N_OPT are
+ available.
+ * sdbout.c: Always include gsyms.h instead of system syms.h.
+
+ * configure.in: No need to check for stab.h.
+ * configure, config.in: Regenerate.
+ * Makefile.in (final.o): Don't depend on gstab.h.
+
+2001-04-30 Mark Mitchell <mark@codesourcery.com>
+ Richard Henderson <rth@redhat.com>
+
+ * extend.texi: Improve documentation of volatile asms.
+
+2001-04-30 Mark Mitchell <mark@codesourcery.com>
+
+ * c-tree.texi: Fix thinko.
+ * gcc.texi: Likewise.
+
+2001-04-30 Richard Henderson <rth@redhat.com>
+
+ * c-common.c (c_promoting_integer_type_p): New function, from the
+ corpse of old macro. Properly promote too-small enumerations and
+ booleans. Adjust all callers.
+ * c-common.h (C_PROMOTING_INTEGER_TYPE_P): Remove.
+ (c_promoting_integer_type_p): Declare.
+ * c-decl.c: Adjust C_PROMOTING_INTEGER_TYPE_P invocations.
+ * c-typeck.c: Likewise.
+ (default_conversion): Remove now redundant boolean check.
+
+2001-04-30 Jan Hubicka <jh@suse.cz>
+ Richard Henderson <rth@redhat.com>
+
+ * regmove.c (try_apply_stack_adjustment): Remove now redundant
+ sanity checks.
+ (combine_stack_adjustments_for_block): Don't combine stack
+ allocation followed by deallocations. Handle grow-up stacks.
+
+2001-04-30 Mark Mitchell <mark@codesourcery.com>
+
+ * fdl.texi: New file.
+ * c-tree.texi: Use the GFDL.
+ * gcc.texi: Likewise.
+
+2001-04-30 Stan Shebs <shebs@apple.com>
+
+ * invoke.texi: Add a section documenting Objective-C options.
+
+2001-04-27 Andrew Haley <aph@cambridge.redhat.com>
+
+ * emit-rtl.c (try_split): Copy EH notes to sequence.
+
+2001-04-30 Mark Mitchell <mark@codesourcery.com>
+
+ * regmove.c (record_stack_memrefs): Catch all references to the
+ stack pointer.
+
+2001-04-29 Toomas Rosin <toomas at ns dot tklabor dot ee>
+
+ * Makefile.in (stmp-fixinc): quote shell assignment values
+
+2001-04-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * c-aux-info.c: NULL_PTR->NULL in calls to `concat'.
+
+ * gcc.c: Likewise.
+
+ * prefix.c: Likewise.
+
+2001-04-28 Stan Shebs <shebs@apple.com>
+
+ * objc/objc-act.c (handle_class_ref): Rewrite to flush target
+ specific code and use new macro ASM_DECLARE_UNRESOLVED_REFERENCE.
+ * config/darwin.h (ASM_DECLARE_UNRESOLVED_REFERENCE): Define.
+ * tm.texi (ASM_DECLARE_UNRESOLVED_REFERENCE): Document.
+
+ * config/darwin.h (STANDARD_EXEC_PREFIX): Don't define.
+ (NEXT_OBJC_RUNTIME): Define.
+
+Sat Apr 28 21:02:58 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * rtl.h (simplify_gen_relational): Add cmp_mode parameter.
+ * simplify-rtx.c (simplify_gen_relational): Likewise.
+
+ * simplify-rtx.c (simplify_replace_rtx): Handle relationals and MEMs.
+
+ * i386.h (VALID_SSE_REG_MODE): Accept MMX modes if SSE2
+ * i386.md (movsi_1, movdi2, movdi_1_rex64): Handle SSE2 moves.
+
+ * i386.md (negsf2, negdf2, abssf2, absdf2): Force operands to
+ registers in SSE case; fix handling of the immediates.
+ (negsf2_ifs, abssf2_ifs): Tweak constraints; require
+ operands to be in regsiters before reload.
+ (negdf2_ifs, absdf2_ifs): Likewise; disable for 64bit
+ (negdf2_ifs_rex64, absdf2_ifs_rtx64): New.
+ (abstf,absxf,negtf,negxf splitters): Compute
+ properly the regnum for x86_64.
+ (avsdf2_if_rex64): New.
+
+Sat Apr 28 10:36:23 2001 Jeffrey A Law (law@cygnus.com)
+
+ * flow.c (propagate_block_delete_insn): Handle deletion of ADDR_VEC
+ and ADDR_DIFF_VEC insns when the proceeding CODE_LABEL was put
+ into the constant pool.
+ * jump.c (jump_optimize_1): Remove barrier successors after all
+ the LABEL_NUSES counds have been computed.
+ (delete_barrier_successors): When deleting a tablejump insn, also
+ delete the jump table it uses.
+ * varasm.c (force_const_mem): Set LABEL_PRESERVE_P when forcing a
+ label into memory.
+
+2001-04-28 Martin Kalen <martin.kalen@todaysystems.com.au>
+
+ * pa.c (FRP): Remove erroneous white space in macro definition.
+
+2001-04-28 Andreas Jaeger <aj@suse.de>
+
+ * invoke.texi: Use XX-bit instead of XXbit or XX bit where
+ appropriate.
+ * extend.texi: Likewise.
+ * tm.texi: Likewise.
+
+2001-04-28 Andreas Jaeger <aj@suse.de>
+
+ * md.texi: Use XX-bit instead of XXbit or XX bit where
+ appropriate.
+
+2001-04-28 Jens Schweikhardt <schweikh@schweikhardt.net>
+
+ * gcc.c (process_command): Allow -l lib in addition to -llib
+ for POSIX compliance. This fixes PR c/2347.
+
+ * invoke.texi: Update section on Link Options accordingly.
+
+2001-04-27 Zack Weinberg <zackw@stanford.edu>
+
+ * function.c (purge_addressof_1): Remove the duplicate
+ if (code == SET) block. Fold the two if (code == ADDRESSOF)
+ blocks together.
+
+2001-04-28 Jason Merrill <jason_merrill@redhat.com>
+
+ * except.c (expand_eh_region_start): Don't start a new block.
+ (expand_eh_region_end): Don't end a block.
+ * stmt.c (expand_end_bindings): Don't end EH blocks.
+ (expand_decl_cleanup): Starting an EH region won't change the block.
+ (mark_block_as_eh_region, mark_block_as_not_eh_region): Lose.
+ (is_eh_region): Lose.
+ * tree.h: Adjust.
+
+2001-04-27 Jeffrey Oldham <oldham@codesourcery.com>
+
+ * except.c (expand_eh_region_end_cleanup): word_mode, not Pmode.
+
+ * collect2.c (main): Add `-L' case to remove duplicate entries.
+ (is_in_args): New function to check for a duplicate argument.
+ * defaults.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New macro.
+ * tm.texi (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New documentation.
+ * config/mips/iris6.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES):
+ Define to be nonzero.
+
+2001-04-27 Andreas Jaeger <aj@suse.de>
+ Richard Henderson <rth@redhat.com>
+
+ * md.texi (Machine Constraints): Document additional i386
+ constraints and fix description of "A".
+
+Fri Apr 27 10:43:49 2001 Jeffrey A Law (law@cygnus.com)
+
+ * tm.texi (TARGET_MEM_FUNCTIONS): Update text.
+
+2001-04-27 Jason Merrill <jason_merrill@redhat.com>
+
+ * except.c (get_exception_filter): word_mode, not Pmode.
+
+2001-04-26 Geoffrey Keating <geoffk@redhat.com>
+
+ * config/sparc/sparc.md (movsf_no_f_insn): Add more alternatives
+ common to other movsf patterns. Move up so that in future
+ people who change the other patterns will change it too.
+ (movsf_lo_sum): Allow even for soft-float; add appropriate
+ constraints.
+ (movsf_high): Likewise.
+ (movsf_high+1): Allow even for soft-float.
+
+ * function.c (expand_function_end): Always clobber the
+ return registers, even if there is no return label.
+
+Thu Apr 26 20:28:21 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * (ix86_expand_fp_movcc): Re-enable SSE conditional move generation.
+
+Thu Apr 26 19:20:28 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * i386.md (abs/neg splitter): Fix calculation of sign bit for TFmodes
+ (pushqi2_rex64, pushhi2_rex64): Add.
+
+2001-04-26 Andrew Haley <aph@cambridge.redhat.com>
+
+ * except.c (expand_eh_region_end_cleanup): Force pending stack
+ adjust before emitting label that branches around cleanup code.
+
+2001-04-26 H.J. Lu (hjl@gnu.org)
+
+ * config.gcc (mips*-*-linux*): Add elfos.h to tm_file.
+
+ * config/mips/ecoff.h (STARTFILE_SPEC): Undefine before
+ define.
+ * config/mips/elf64.h (MAX_OFILE_ALIGNMENT): Likewise.
+ (ASM_OUTPUT_SECTION_NAME): Likewise.
+ (ASM_WEAKEN_LABEL): Likewise.
+ (UNIQUE_SECTION): Likewise.
+ (ASM_OUTPUT_CONSTRUCTOR): Likewise.
+ (ASM_OUTPUT_DESTRUCTOR): Likewise.
+ * config/mips/elf.h (MAX_OFILE_ALIGNMENT): Likewise.
+ (ASM_OUTPUT_SECTION_NAME): Likewise.
+ (ASM_WEAKEN_LABEL): Likewise.
+ (UNIQUE_SECTION): Likewise.
+ (ASM_OUTPUT_CONSTRUCTOR): Likewise.
+ (ASM_OUTPUT_DESTRUCTOR): Likewise.
+ * config/mips/linux.h (HANDLE_SYSV_PRAGMA): Likewise.
+ * config/mips/mips.h (DBX_CONTIN_LENGTH): Likewise.
+ (ASM_FILE_START): Likewise.
+ (ASM_OUTPUT_SOURCE_LINE): Likewise.
+ (ASM_DECLARE_OBJECT_NAME): Likewise.
+ (ASM_FILE_END): Likewise.
+ (ASM_DECLARE_FUNCTION_NAME): Likewise.
+ (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
+ (ASM_GENERATE_INTERNAL_LABEL): Likewise.
+ (ASM_OUTPUT_CASE_LABEL): Likewise.
+ (ASM_OUTPUT_SKIP): Likewise.
+ (ASM_OUTPUT_ASCII): Likewise.
+ (ASM_OUTPUT_IDENT): Likewise.
+ (READONLY_DATA_SECTION): Likewise.
+ (EXTRA_SECTIONS): Likewise.
+ (EXTRA_SECTION_FUNCTIONS): Likewise.
+ (SELECT_RTX_SECTION): Likewise.
+ (SELECT_SECTION): Likewise.
+
+ * config/mips/linux.h (INVOKE__main): Undefine.
+ (CTOR_LIST_BEGIN): Likewise.
+ (CTOR_LIST_END): Likewise.
+ (DTOR_LIST_BEGIN): Likewise.
+ (DTOR_LIST_END): Likewise.
+ (SET_ASM_OP): Defined it to ".dummy".
+ (ASM_OUTPUT_DEF): Defined.
+ (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Defined.
+
+2001-04-26 Nick Clifton <nickc@cambridge.redhat.com>
+
+ * config/arm/arm.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Define, if the
+ assembler supports .p2align.
+
+2001-04-26 Nathan Sidwell <nathan@codesourcery.com>
+
+ * c-lex.c (c_lex): Remove # from %o diagnostic formatting.
+
+2001-04-26 Jakub Jelinek <jakub@redhat.com>
+
+ * integrate.c (expand_inline_function): Check for error_mark_node
+ in actual argument.
+
+2001-04-26 Jakub Jelinek <jakub@redhat.com>
+
+ * config/i386/i386.h (CC1_CPU_SPEC): Fix deprecation warnings for
+ -m386 and -m486.
+
+2001-04-26 Alexandre Oliva <aoliva@redhat.com>
+
+ * configure.in (configargs.h): Define thread_model.
+ * configure: Rebuilt.
+ * gcc.c (main): Print it with -v.
+
+2001-04-25 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * invoke.texi: Document -Wmissing-braces, -dumpspecs,
+ -dumpmachine, -dumpversion, -fmem-report and -ftime-report.
+ * gcc.1: Regenerate.
+
+2001-04-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
+
+ * dwarfout.c (is_pseudo_reg, type_main_variant, is_tagged_type,
+ is_redundant_typedef): Use static inline instead of inline static.
+
+Wed Apr 25 18:21:01 2001 Christopher Faylor <cgf@cygnus.com>
+
+ * config/i386/cygwin.h: Move W32API search to LINK_SPEC to ensure that
+ this directory is always searched.
+
+2001-04-25 Richard Henderson <rth@redhat.com>
+
+ * config/i386/i386.c (ix86_expand_epilogue): Properly compute size
+ of registers to restore along non eh_return path.
+
+2001-04-25 Jakub Jelinek <jakub@redhat.com>
+
+ * c-format.c (check_format_info_recurse): Handle
+ PLUS_EXPR for format string.
+
+2001-04-25 Jakub Jelinek <jakub@redhat.com>
+
+ * config/ia64/ia64.h (CC1_SPEC): Define.
+ * config/ia64/linux.h (CC1_SPEC): Define.
+
+Wed Apr 25 17:09:50 2001 J"orn Rennecke <amylaar@redhat.com>
+
+ * emit-rtl.c (constant_subword): Also do sign extension in
+ BITS_PER_WORD == 16 case.
+
+2001-04-25 Jason Merrill <jason_merrill@redhat.com>
+
+ * loop.c (try_swap_copy_prop): Go back to checking insn.
+
+2001-04-25 Jakub Jelinek <jakub@redhat.com>
+
+ * emit-rtl.c (subreg_hard_regno): Only do HARD_REGNO_MODE_OK check
+ if check_mode is nonzero.
+
+2001-04-25 Jakub Jelinek <jakub@redhat.com>
+
+ * config/i386/i386.c (ix86_expand_int_movcc): If overlap between
+ out and comparison sequence has been detected, put result into
+ proper temporary pseudo.
+
+2001-04-24 Zack Weinberg <zackw@stanford.edu>
+
+ * Makefile.in (LIB2FUNCS): Remove _varargs and __dummy.
+ * libgcc-std.ver: Remove __builtin_saveregs, __dummy, and __empty.
+ * libgcc2.c: Remove __dummy and __builtin_saveregs.
+ * libgcc2.h: Don't prototype __builtin_saveregs or __dummy.
+ * config/i860/varargs.asm: New file - preserve i860 __builtin_saveregs
+ for future reference.
+
+2001-04-24 Jason Merrill <jason_merrill@redhat.com>
+
+ * except.c (reachable_handlers): Step out one level from a RESX.
+
+ * except.c (struct eh_region): Rename 'last' to 'resume'.
+ (mark_eh_region, duplicate_eh_region_1): Adjust.
+ (expand_eh_region_end_cleanup): Remember the jump, not the barrier.
+ (build_post_landing_pads): Likewise.
+ (expand_end_catch, expand_eh_region_end_allowed): Don't set it.
+ (expand_eh_region_end_must_not_throw): Likewise.
+ (connect_post_landing_pads): Thread (only) regions with non-deleted
+ resume insns.
+
+ * except.c (expand_eh_region_end_cleanup): Save the EH return data
+ registers around the cleanup.
+ (get_exception_filter): New fn.
+ (finish_eh_generation): Use it.
+
+2001-04-24 Nathan Sidwell <nathan@codesourcery.com>
+
+ * c-semantics.c (add_scope_stmt): Don't call
+ current_scope_stmt_stack multiple times.
+
+2001-04-24 Zack Weinberg <zackw@stanford.edu>
+ Nathan Sidwell <nathan@codesourcery.com>
+
+ Lazy __FUNCTION__ generation.
+ * c-common.h (RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME,
+ RID_C99_FUNCTION_NAME): New _RIDs.
+ (CTI_FUNCTION_ID, CTI_PRETTY_FUNCTION_ID, CTI_FUNC_ID): Remove.
+ (CTI_FUNCTION_NAME_DECL, CTI_PRETTY_FUNCTION_NAME_DECL,
+ CTI_C99_FUNCTION_NAME_DECL, CTI_SAVED_FUNCTION_NAME_DECLS): New
+ global tree slots.
+ (function_id_node, pretty_function_id_node, func_id_node): Remove.
+ (c99_function_name_decl_node, function_name_decl_node,
+ pretty_function_name_decl_node, saved_function_name_decls):
+ Declare.
+ (struct language_function): Remove x_function_name_declared_p.
+ (make_fname_decl): Remove a parameter.
+ (declare_function_names): Remove prototype.
+ (start_fname_decls, finish_fname_decls): Prototype.
+ (fname_as_string): Likewise.
+ (fname_string, fname_decl): Likewise.
+ * c-common.c (make_fname_decl): Adjust.
+ (struct fname_var_t): New struct.
+ (fname_vars): New static array.
+ (declare_function_name): Remove.
+ (start_fname_decls, finish_fname_decls): New functions.
+ (fname_as_string): New function from remnants of
+ declare_function_name.
+ (fname_string, fname_decl): New functions.
+
+ * c-decl.c (c_function_name_declared_p): Remove.
+ (init_decl_processing): Don't generate __FUNCTION__ et al ids,
+ don't call declare_function_name. Call start_fname_decls.
+ (c_make_fname_decl): Adjust parameters. Generate the name. Don't
+ clobber the line number. Call finish_decl.
+ (start_function): Call start_fname_decls.
+ (finish_function): Call finish_fname_decls.
+ Remove c_function_name_declared_p.
+ (push_c_function_context): Don't push c_function_name_declared_p.
+ (pop_c_function_context): Don't pop c_function_name_declared_p.
+ (c_begin_compound_stmt): Don't check c_function_name_declared_p.
+ * c-parse.in (STRING_FUNC_NAME, VAR_FUNC_NAME): New tokens.
+ (program): Call finish_fname_decls for C.
+ (primary): Add VAR_FUNC_NAME.
+ (reswords): Add slots for __FUNCTION__ et al.
+ (rid_to_yy): Add mappings for __FUNCTION__ et al.
+ (yylexname): If it's a STRING_FUNC_NAME generate the function name
+ now. Don't look for VAR_DECLs containing __FUNCTION__ et al.
+ * c-semantics.c (prune_unused_decls): Remove.
+ (finish_stmt_tree): Don't call prune_unused_decls.
+ (genrtl_decl_stmt): Don't prune unused decls here.
+
+2001-04-24 Nick Clifton <nickc@cambridge.redhat.com>
+
+ * dwarf2out.c (mem_loc_descriptor): If a SYMBOL_REF is in the
+ constant pool, use the pool's SYMBOL_REF instead.
+
+ * config/v850/v850.h (STRICT_ALIGNMENT): Always set, even for the
+ v850e.
+
+2001-04-23 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-convert.c (convert): When converting to a BOOLEAN_TYPE, avoid
+ passing nested NOP_EXPRs to fold.
+
+Mon Apr 23 14:32:12 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * reg-stack.c (emit_swap_insn): Do not get pass CALL_INSNs.
+
+2001-04-22 Mark Mitchell <mark@codesourcery.com>
+
+ * loop.c (loop_delete_insns): Add prototype.
+
+2001-04-23 Phil Edwards <pme@sources.redhat.com>
+
+ * configure.in: Remove ENABLE_STD_NAMESPACE.
+ * config.in: Regenerated.
+ * configure: Regenerated.
+
+2001-04-22 Stan Shebs <shebs@apple.com>
+
+ * config.gcc (powerpc-*-darwin*): Move the flag in xm-darwin.h
+ into xm_defines.
+ * config/rs6000/xm-darwin.h: Remove file.
+
+2001-04-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * collect2.c (main): Use concat in lieu of xmalloc/sprintf.
+ (write_c_file_stat): Likewise.
+
+ * dbxout.c (dbxout_init): Likewise.
+
+ * profile.c (output_func_start_profiler): Likewise.
+
+2001-04-22 Philipp Thomas <pthomas@suse.de>
+
+ * ABOUT-GCC-NLS: Now that gettext 0.10.37 is out,
+ require it instead of the CVS version.
+ * cpperror.c (v_message): Put a blank before the macro
+ body to not confuse exgettext.
+
+2001-04-21 Mark Mitchell <mark@codesourcery.com>
+
+ * flow.c (proagate_one_insn): Remove useless assignment.
+ * jump.c (delete_insn): Tidy.
+ * loop.c (try_copy_prop): When deleting an instruction with a
+ REG_RETVAL note, delete the entire libcall sequence.
+ (loop_delete_insns): New function.
+ * unroll.c (initial_reg_note_copy): Copy INSN_LIST notes, even if
+ we're not substituting into them yet.
+
+2001-04-21 Kazu Hirata <kazu@hxi.com>
+
+ * config/h8300/h8300.c (general_operand_src): Fix a comment typo.
+
+ * config/sparc/sparc.c (sparc_flat_eligible_for_epilogue_delay):
+ Fix a comment typo.
+ * config/i960/i960.c (signed_arith_operand): Likewise.
+
+ * calls.c (expand_call): Fix a comment typo.
+
+2001-04-20 Zack Weinberg <zackw@stanford.edu>
+
+ * configure.in: Probe for times, clock, struct tms, and clock_t.
+ * configure, config.in: Regenerate.
+ * timevar.c: Replace ifdef forest in get_time with (relatively)
+ straightforward series of checks based on autoconf's probes.
+
+Fri Apr 20 12:24:50 2001 Jeffrey A Law (law@cygnus.com)
+
+ * config/pa/som.h (NM_FLAGS): Define.
+
+2001-04-20 Bernd Schmidt <bernds@redhat.com>
+
+ * ia64.h (MD_SCHED_REORDER, MD_SCHED_REORDER2): Pass CLOCK to called
+ function.
+ * ia64-protos.h (ia64_sched_reorder): Additional arg for clock.
+ * ia64.c (nop_cycles_until): New function.
+ (prev_cycle, prev_first, last_issued): New static variables.
+ (ia64_sched_reorder): Additional arg for clock.
+ On final scheduling pass, emit extra NOPs as needed.
+ Set prev_first and prev_cycle.
+ (ia64_sched_reorder2): Pass clock arg down to ia64_sched_reorder.
+ (ia64_variable_issue): Set last_issued.
+
+2001-04-20 Alexandre Oliva <aoliva@redhat.com>
+
+ * config/i386/i386.c (ix86_expand_int_movcc,
+ ix86_expand_strlensi_unroll_1): Sign-extend CONST_INTs.
+
+2001-04-20 Geoff Keating <geoffk@redhat.com>
+
+ * config/rs6000/rs6000.md (ctrsi_internal1, ctrsi_internal2,
+ ctrsi_internal3, ctrsi_internal4, ctrsi_internal5,
+ ctrsi_internal6, ctrdi_internal1, ctrdi_internal2,
+ ctrdi_internal3, ctrdi_internal4, ctrdi_internal5,
+ ctrdi_internal6): In the short-branch case, this insn is only 4
+ bytes long. Reported by Reza Yazdani <reza@apple.com>.
+
+2001-04-20 Jakub Jelinek <jakub@redhat.com>
+
+ * reg-stack.c (check_asm_stack_operands): Issue error if "=t" resp.
+ "=u" is used together with "st" resp. "st(1)" clobber.
+
+2001-04-20 Jakub Jelinek <jakub@redhat.com>
+
+ * gcse.c (gcse_main): Fix comment typo.
+ (delete_null_pointer_check): Likewise.
+ (hash_scan_set): Don't consider sets with REG_EQUIV MEM notes.
+ * cse.c (cse_insn): Likewise.
+ * function.c (fixup_var_refs_insns_with_hash): The sequence is
+ toplevel.
+
+2001-04-19 Zack Weinberg <zackw@stanford.edu>
+
+ * toplev.c: Excise all code for the undocumented -dm option.
+ (float_signal): Call signal just once, unconditionally.
+
+2001-04-19 Geoff Keating <geoffk@redhat.com>
+
+ * fold-const.c (fold): Use first_rtl_op rather than
+ TREE_CODE_LENGTH when looping over parameters of a tree.
+ Correct strange grouping in test for evaluated SAVE_EXPR.
+
+Thu Apr 19 19:15:26 2001 Jeffrey A Law (law@cygnus.com)
+
+ * config/pa/pa-linux.h (CPLUSPLUS_CPP_SPEC): Undefine.
+ * config/pa/pa.h (CPLUSPLuS_CPP_SPEC): Define.
+
+ * config/pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Truncate subspace
+ name at 32 total characters.
+ (ASM_OUTPUT_SECTION_NAME): Similarly. Also, only support placing
+ functions in named sections -- data items can still go into unique
+ sections, but they have normal names (ie $LIT$ and $DATA$).
+
+ * config/pa/som.h (SUPPORTS_INIT_PRIORITY): SOM does not support
+ INIT_PRIORITY.
+
+2001-04-19 DJ Delorie <dj@redhat.com>
+
+ * config/alpha/vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
+ to TARGET_OBJECT_SUFFIX and TARGET_EXECUTABLE_SUFFIX.
+ * config/i386/cygwin.h: Likewise.
+ * config/i386/mingw32.h: Likewise.
+ * config/vax/vms.h: Likewise.
+ * config/i386/djgpp.h: Remove NO_AUTO_EXE_SUFFIX.
+
+ * config/alpha/xm-vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
+ to HOST_OBJECT_SUFFIX and HOST_EXECUTABLE_SUFFIX.
+ * config/i386/xm-cygwin.h: Likewise.
+ * config/i386/xm-djgpp.h: Likewise.
+ * config/i386/xm-mingw32.h: Likewise.
+ * config/vax/xm-vms.h: Likewise.
+
+ * mkdeps.c (deps_add_default_target): Use TARGET_OBJECT_SUFFIX
+ instead of OBJECT_SUFFIX.
+ * collect2.c (find_a_file): Look for files matching the extension
+ HOST_EXECUTABLE_SUFFIX instead of EXECUTABLE_SUFFIX.
+ * gcc.c (DEFAULT_SWITCH_CURTAILS_COMPILATION): Depend on
+ TARGET_EXECUTABLE_SUFFIX.
+ (find_a_file): Use HOST_EXECUTABLE_SUFFIX.
+ (make_relative_prefix): Likewise.
+ (convert_filename): Use TARGET_ suffixes throughout. Remove
+ NO_AUTO_EXE_SUFFIX.
+ (process_command): Likewise.
+ (do_spec_1): Likewise.
+ * java/lang.c (init_parse): Likewise.
+
+ * gcc.texi : Document four new options matching the pattern
+ (HOST|TARGET)_(OBJECT|EXECUTABLE)_SUFFIX. Remove documentation
+ for deleted macros OBJECT_SUFFIX and EXECUTABLE_SUFFIX. Remove
+ documentation for NO_AUTO_EXE_SUFFIX.
+
+2001-04-19 Mark Mitchell <mark@codesourcery.com>
+
+ * toplev.h (struct lang_hooks): Allow decode_option to indicate
+ that language-independent processing should not be done.
+ * toplev.c (main): Adjust accordingly.
+
+ * rtl.texi (jump_insn): Expand on JUMP_LABEL documentation.
+ * loop.c (load_mems): Handle a NULL JUMP_LABEL for a JUMP_INSN.
+
+ * mips.md (reload_outputdi): Require that operand0 be a
+ general_operand.
+
+2001-04-19 Jakub Jelinek <jakub@redhat.com>
+
+ * invoke.texi (-Wshadow): Clarify.
+
+2001-04-18 Mark Mitchell <mark@codesourcery.com>
+
+ * loop.c (load_mems): Examine all the instructions in the loop
+ before concluding that all jumps branch to the first instruction
+ after the loop.
+
+Wed Apr 18 20:32:03 2001 Christopher Faylor <cgf@cygnus.com>
+
+ * config/i386/xm-cygwin.h (CPP_SPEC): Fix typo.
+
+2001-04-18 Jakub Jelinek <jakub@redhat.com>
+
+ * cpp.texi (-Wwhite-space): Remove.
+ (-Wall): -Wall does not imply -Wwhite-space.
+
+2001-04-17 Zack Weinberg <zackw@stanford.edu>
+
+ * dbxout.c (dbxout_init): If DBX_OUTPUT_GCC_MARKER is defined,
+ use it instead of blindly generating a .stabs.
+ * xcoffout.h: Define DBX_OUTPUT_GCC_MARKER so we put the type
+ in the right place.
+ * xcoffout.c: Don't bother defining default for N_CATCH.
+ (UNKNOWN_STAB): Use internal_error.
+ (stab_to_sclass): Remove now-unnecessary aborts.
+ Remove #if 0'ed case N_BROWS. Add #ifdef N_OPT block.
+
+Tue Apr 17 21:41:11 2001 Jeffrey A Law (law@cygnus.com)
+
+ * jump.c (mark_all_labels): Canonicalize the tail recursion
+ label attached to CALL_PLACEHOLDER insns.
+
+2001-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * output.h (dump_flow_info, free_basic_block_vars,
+ which_alternative): Delete redundant prototypes.
+
+ * rtl.h (bss_section): Likewise.
+
+2001-04-17 Loren J. Rittle <ljrittle@acm.org>
+
+ * dbxout.c (N_OPT): Define if not available from <stab.h>
+
+2001-04-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
+
+ * vax.h (PROMOTE_PROTOTYPES): Define for compatibility with system
+ libraries and native K&R compilers.
+
+2001-04-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * c-typeck.c (convert_arguments): Don't check for width changes
+ with -Wtraditional.
+
+ * invoke.texi (-Wtraditional): Update documentation.
+
+2001-04-16 Zack Weinberg <zackw@stanford.edu>
+
+ * toplev.c (output_lang_identify): Delete.
+ (compile_file): Don't call ASM_IDENTIFY_GCC or ASM_IDENTIFY_LANGUAGE.
+ Don't generate gcc2_compiled. label. Don't emit a nop if profiling.
+ If IDENT_ASM_OP is defined, emit an .ident "GCC (GNU) <version>"
+ after calling ASM_FILE_END.
+
+ * dbxout.c (dbxout_init): Don't call ASM_IDENTIFY_GCC_AFTER_SOURCE.
+ Instead, unconditionally emit an N_OPT stab with string equal
+ to STABS_GCC_MARKER, which defaults to "gcc2_compiled."
+
+ * defaults.h: Don't provide default for ASM_IDENTIFY_LANGUAGE.
+
+ * config/dbxelf.h, config/freebsd.h, config/nextstep.h,
+ config/psos.h, config/ptx4.h, config/1750a/1750a.h,
+ config/alpha/alpha.h, config/alpha/elf.h, config/arc/arc.h,
+ config/arm/aof.h, config/arm/coff.h, config/arm/elf.h,
+ config/arm/linux-elf.h, config/avr/avr.h, config/d30v/d30v.h,
+ config/dsp16xx/dsp16xx.h, config/h8300/h8300.h,
+ config/i370/i370.h, config/i386/beos-elf.h,
+ config/i386/osf1elf.h, config/i386/osfrose.h,
+ config/ia64/sysv4.h, config/m68k/3b1.h, config/m68k/auxgas.h,
+ config/m68k/crds.h, config/m68k/hp320.h, config/m68k/m68kv4.h,
+ config/m68k/mot3300.h, config/m68k/news.h, config/m68k/sgs.h,
+ config/m68k/tower-as.h, config/mcore/mcore-elf.h,
+ config/mips/iris6.h, config/mips/osfrose.h,
+ config/mips/sni-svr4.h, config/pa/som.h, config/pdp11/pdp11.h,
+ config/sparc/sp64-elf.h:
+ Delete definitions of any or all of: ASM_IDENTIFY_GCC,
+ ASM_IDENTIFY_GCC_AFTER_SOURCE, and ASM_IDENTIFY_LANGUAGE.
+
+ * config/elfos.h, config/freebsd.h, config/linux.h,
+ config/alpha/elf.h, config/arm/linux-elf.h, config/i386/i386elf.h,
+ config/i386/ptx4-i.h, config/mips/gnu.h, config/mips/linux.h,
+ config/sparc/linux.h, config/sparc/linux64.h: Delete definitions
+ of ASM_FILE_START which merely emit a .version directive. Delete
+ definitions of ASM_FILE_END which merely emit an .ident directive.
+
+ * config/avr/avr.h, config/vax/vax.h: Delete definition of
+ ASM_IDENTIFY_GCC and move part of its logic into
+ ASM_FILE_START.
+
+ * config/i386/att.h, config/i386/gas.h, config/i386/linux.h,
+ config/sparc/linux-aout.h: Don't emit .version directive in
+ ASM_FILE_START.
+
+ * config/i386/dgux.c, config/m88k/m88k.c, config/sh/sh.c
+ (output_file_start): Correct comment.
+
+ * config/i386/osfrose.h: Don't emit trailing .ident directive.
+ * config/m68k/mot3300.h: Override STABS_GCC_MARKER to "gcc2_compiled%"
+ to match gdb.
+ * config/pa/lib2funcs.asm: Delete gcc_compiled. label.
+ * config/rs6000/aix.h: Correct comment.
+
+ * config/i386/i386afe.h: Delete.
+ * config.gcc: Remove references to i386afe.h.
+
+ * tm.texi: Delete documentation of ASM_IDENTIFY_GCC. The
+ other macros deleted by this patch were undocumented.
+
+Mon Apr 16 08:03:48 2001 Jeffrey A Law (law@cygnus.com)
+
+ * pa.md (reload_outdi): Operand 0 must be a non hard register.
+
+ * pa.c (secondary_reload_class): SAR<->FP copies require a
+ secondary register.
+
+ * install.texi (mips-mips-bsd): Update list of functions
+ required to include memmove.
+ * tm.texi (TARGET_MEM_FUNCTIONS): Update list of implicitly
+ used functions to include memmove.
+
+2001-04-15 Toon Moene <toon@moene.indiv.nluug.nl>
+
+ * i386.md (sqrtdf2): SFmode should be DFmode.
+
+2001-04-15 Alexandre Oliva <aoliva@redhat.com>
+
+ * gcse.c (compute_ld_motion_mems): ASM outputs aren't moveable.
+ (find_moveable_store): Likewise.
+
+2001-04-15 Jim Wilson <wilson@redhat.com>
+
+ * function.c (expand_function_end): Handle PARALLEL real_decl_rtl.
+
+Sat Apr 14 16:24:19 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * i386.md (ashldi3_1_rex64): Add 'J' to the constraints
+ (ashrdi3_1_rex64): Change 'n' constraint to 'J'.
+
+2001-04-14 Alexandre Oliva <aoliva@redhat.com>
+
+ * config/mn10300/mn10300.md (cmpsi): Tell reload to disregard the
+ first alternative.
+
+2001-04-14 Alan Modra <amodra@one.net.au>
+
+ * pa.c (force_mode): New function.
+ (emit_move_sequence): Use it instead of generating new rtx_REGs.
+
+2001-04-13 Jim Wilson <wilson@redhat.com>
+
+ * config/ia64/ia64.c (ia64_expand_epilogue): Emit alloc if sibcall_p.
+ (first_instruction): New static variable.
+ (rtx_needs_barrier): Return 1 for alloc.
+ (init_insn_group_barriers): Set first_instruction.
+ (rws_sum): Delete duplicate definition.
+ (group_barrier_needed_p): Return 0 when first_instruction true.
+ (safe_group_barrier_needed_p): Save and restore first_instruction
+ around group_barrier_needed_p call.
+
+Fri Apr 13 21:40:28 2001 Loren J. Rittle <ljrittle@acm.org>
+
+ * expr.h (enum libfunc_index): Add LTI_memmove.
+ (memmove_libfunc): Define macro.
+ * optabs.c (init_optabs): Initialize memmove_libfunc.
+ * expr.c (expand_assignment): Use memmove_libfunc instead of
+ memcpy_libfunc.
+
+2001-04-13 Alan Modra <alan@linuxcare.com.au>
+
+ * pa.h (GO_IF_LEGITIMATE_ADDRESS): Disallow PIC LO_SUM
+ fp mode addresses.
+
+2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * Makefile.in (reg-stack.o): Depend on reload.h.
+ (insn-attrtab.o): Depend on flags.h.
+
+ * genattrtab (main): Include flags.h in insn-attrtab.c.
+
+ * reg-stack.c: Include reload.h.
+
+ * sparc.h (flag_pic): Delete redundant declaration.
+
+ * output.h (flag_pic): Likewise.
+
+ * tree.h (pedantic): Likewise.
+
+2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * Makefile.in (toplev.o, jump.o, regmove.o): Depend on reload.h
+
+ * jump.c, regmove.c, toplev.c: Include reload.h.
+
+ * reload.h (reload_cse_regs): Declare.
+
+ * rtl.h (find_equiv_reg, operands_match_p, safe_from_earlyclobber,
+ reload_cse_regs, init_reload, mark_home_live, reload,
+ init_caller_save): Delete redundant prototypes.
+
+2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * Makefile.in (ssa.o, regclass.o): Depend on $(EXPR_H).
+
+ * regclass.c, ssa.c: Include expr.h.
+
+ * rtl.h (memory_address, force_reg, emit_queue, emit_move_insn,
+ gen_move_insn): Delete redundant declarations.
+
+2001-04-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
+
+ * Makefile.in (CFLAGS, BOOT_CFLAGS): Partly revert 2000-10-27 patch.
+ (stage1_build): Instead pass down STAGE1_CFLAGS here. Pass down
+ MAKEINFO and MAKEINFOFLAGS too.
+ (stage4_build): Correctly order -B flags.
+
+2001-04-13 Alan Modra <amodra@one.net.au>
+
+ * pa.c (hppa_init_pic_save): Set rtx_unchanging for
+ PIC_OFFSET_TABLE_SAVE_RTX.
+ (zdepi_cint_p): Describe zdepi insn.
+ Formatting and white space fixes throughout file.
+
+ * pa.c (uint32_operand): Don't use long constant >= 2^32.
+ (emit_move_sequence): Use HOST_WIDE_INT constants. Don't worry
+ about 32->64 bit sign extension if 32 bit HOST_WIDE_INTs.
+ (compute_movstrsi_length): Make `align' unsigned to avoid warning.
+ (output_64bit_and): Use plain `int's for shift counts.
+ (output_64bit_ior): Likewise.
+ (function_arg_partial_nregs): Use unsigned vars to avoid warnings.
+ * pa.h (CONST_OK_FOR_LETTER_P): Use HOST_WIDE_INT constants for case
+ `N', and simplify.
+
+ * pa-hpux10.h (NEW_HP_ASSEMBLER): Define to 1.
+ * pa-hpux11.h (NEW_HP_ASSEMBLER): Likewise.
+ * pa.h (LEGITIMATE_CONSTANT_P) Collapse two defines depending on
+ NEW_HP_ASSEMBLER into one. Kill warnings.
+
+ * pa-gas.h: Delete file.
+ * config.gcc: Match `parisc' as well as `hppa' for cpu_type=pa.
+ Add new targets hppa*64*-*-linux* and parisc*64*-*-linux*. Update
+ hppa*-*-linux*. For all pa targets, remove pa/gas.h from tm_file,
+ instead setting MASK_GAS | MASK_JUMP_IN_DELAY in target_cpu_default2.
+
+ * config/pa/mill32.S: New file.
+ * config/pa/mill64.S: New file.
+ * config/pa/t-linux (LIBGCC1, CROSS_LIBGCC1, LIB1ASMFUNCS,
+ LIB1ASMSRC, CRTSTUFF_T_CFLAGS_S, TARGET_LIBGCC2_CFLAGS): Define.
+ * config/pa/t-linux64: New file.
+ * config/pa/t-pa64 (CROSS_LIBGCC1): Change to libgcc1-asm.a
+ (LIB1ASMFUNCS, LIB1ASMSRC): Define.
+ (TARGET_LIBGCC2_CFLAGS): Add -Dpa64=1 -DELF=1.
+
+ * elfos.h (SELECT_SECTION): Undef before defining.
+ * pa-linux.h (LINUX_DEFAULT_ELF, PTRDIFF_TYPE, CPP_SPEC): Remove.
+ (LIB_SPEC): Remove -lmilli.
+ (DBX_REGISTER_NUMBER): Remove.
+ (PREFERRED_DEBUGGING_TYPE, DWARF2_ASM_LINE_DEBUG_INFO,
+ (DWARF2_UNWIND_INFO, ASM_SPEC, LINK_SPEC, FUNCTION_OK_FOR_SIBCALL,
+ NO_PROFILE_COUNTERS, SELECT_RTX_SECTION, INCOMING_RETURN_ADDR_RTX,
+ DWARF_FRAME_RETURN_COLUMN, STRING_ASM_OP, TEXT_SECTION_ASM_OP,
+ DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP, ASM_FILE_START,
+ ASM_OUTPUT_DEF, ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT,
+ ASM_OUTPUT_LABEL, ASM_GLOBALIZE_LABEL, ASM_DECLARE_FUNCTION_NAME,
+ TARGET_GAS): Define.
+ * pa.c (output_arg_descriptor): Disable for TARGET_ELF32.
+ (function_arg): If TARGET_ELF32, pass fp args in both general and fp
+ regs if we don't have a prototype.
+ * pa.md (canonicalize_funcptr_for_compare): Not for TARGET_ELF32.
+ * pa.h (TARGET_ELF32): Default to 0 if undefined.
+ (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX,
+ EH_RETURN_HANDLER_RTX): Define.
+ * pa32-regs.h (DBX_REGISTER_NUMBER): Remove unnecessary test.
+ (DWARF_FRAME_REGNUM): Define.
+ * pa64-regs.h (DWARF_FRAME_REGNUM): Define.
+ * pa32-linux.h: New file.
+ * pa64-linux.h: New file.
+
+ * pa-64.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
+ (ASM_OUTPUT_DOUBLE_INT): Format, protect macro with do..while.
+ (LINK_SPEC, LIB_SPEC, MD_EXEC_PREFIX, MD_STARTFILE_PREFIX,
+ NEW_HP_ASSEMBLER, ASM_FILE_START, OBJECT_FORMAT_ELF,
+ DWARF2_DEBUGGING_INFO, PREFERRED_DEBUGGING_FORMAT,
+ DWARF2_ASM_LINE_DEBUG_INFO, USE_CONST_SECTION, CONST_SECTION_ASM_OP,
+ CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
+ FINI_SECTION_ASM_OP, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
+ READONLY_DATA_SECTION, CONST_SECTION_FUNCTION, CTORS_SECTION_FUNCTION,
+ DTORS_SECTION_FUNCTION, ASM_OUTPUT_SECTION_NAME, MAKE_DECL_ONE_ONLY,
+ UNIQUE_SECTION_P, UNIQUE_SECTION, INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
+ ASM_OUTPUT_DESTRUCTOR, TYPE_ASM_OP, SIZE_ASM_OP, ASM_WEAKEN_LABEL,
+ TYPE_OPERAND_FMT, ASM_DECLARE_RESULT): Move to..
+ * pa64-hpux.h: New file.
+ (ASM_FILE_START): Correct typo.
+ (PREFERRED_DEBUGGING_FORMAT): Rename to PREFERRED_DEBUGGING_TYPE.
+ * config.gcc: Modify for above.
+
+Fri Apr 13 00:09:22 EDT 2001 John Wehle (john@feith.com)
+
+ * jump.c (jump_optimize_1): Don't delete dead stores here.
+ * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns
+ prior to running jump optimize before cse2.
+
+2001-04-12 Richard Henderson <rth@redhat.com>
+
+ * Makefile.in (regmove.o): Depend on except.h.
+ * regmove.c: Include it.
+
+2001-04-12 Stan Shebs <shebs@apple.com>
+
+ * objc/objc-act.c: Remove all code ifdefed with the never-used
+ macro OBJC_INT_SELECTORS.
+ * config/d30v/d30v.h: Remove commented-out ref to OBJC_INT_SELECTORS.
+ * tm.texi: Remove doc for OBJC_INT_SELECTORS.
+
+Thu Apr 12 18:13:37 2001 Rodney Brown <RodneyBrown@mynd.com>
+
+ * config/pa/quadlib.c: Add prototypes.
+
+2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * bitmap.h (debug_bitmap): Delete redundant prototype.
+
+ * rtl.h (get_frame_size): Likewise.
+
+2001-04-12 Jim Wilson <wilson@redhat.com>
+
+ * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Simplify
+ to just emit an fnorm.
+
+2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * c-common.h (truthvalue_conversion, type_for_mode,
+ type_for_size): Delete redundant declarations.
+
+ * c-lex.h (is_class_name): Likewise.
+
+ * c-tree.h (pedantic, convert, getdecls, gettags,
+ global_bindings_p, init_decl_processing, insert_block,
+ maybe_build_cleanup, poplevel, print_lang_decl,
+ print_lang_identifier, print_lang_type, pushdecl, pushlevel,
+ set_block, incomplete_type_error, build_function_call,
+ lvalue_or_else, mark_addressable): Likewise.
+
+ * expr.h (expand_tree_builtin): Likewise.
+
+2001-04-12 Mark Mitchell <mark@codesourcery.com>
+
+ * invoke.texi: Document --param max-gcse-memory.
+
+2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * configure.in (errno): Check for declaration.
+ * configure, config.in: Regenerated.
+
+ * system.h (errno): Only declare if not already done.
+
+2001-04-12 Alexandre Oliva <aoliva@redhat.com>
+
+ * recog.c (general_operand, immediate_operand,
+ nonmemory_operand): Require CONST_INTs to be sign-extended
+ values for their modes.
+
+2001-04-12 Alexandre Oliva <aoliva@redhat.com>
+
+ * expmed.c (store_bit_field): Truncate CONST_INTs.
+ (expand_mult_highpart, expand_divmod): Likewise.
+ * expr.c (convert_modes, store_field): Likewise.
+ * integrate.c (expand_inline_function): Use promote_mode() to
+ determine whether to convert_modes() an argument as signed
+ or unsigned.
+ * optabs.c (expand_binop): Get CONST_INT operands
+ sign-extended for their appropriate modes.
+ * stmt.c (emit_case_nodes): Convert node values to the
+ appropriate mode.
+ (expand_end_case): Convert minval and range to the appropriate
+ mode.
+ * unroll.c (loop_iterations): Truncate abs_diff to the mode of
+ the iteration variable.
+ * varasm.c (immed_double_const): Don't require words to be
+ narrower than host wide ints to properly sign-extend
+ CONST_INTs.
+
+2001-04-12 kaz Kojima <kkojima@rr.iij4u.or.jp>
+
+ * sh.md (builtin_setjmp_receiver): New expander.
+
+2001-04-12 David Edelsohn <dje@watson.ibm.com>
+
+ * config/rs6000/rs6000.c (rs6000_emit_move): Do not
+ special-case HOST_BITS_PER_WIDE_INT != 32. Use same criteria
+ for generating CONST_INT and CONST_DOUBLE.
+
+2001-04-12 Alexandre Oliva <aoliva@redhat.com>
+
+ * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
+ already sign-extended.
+ (rs6000_emit_prologue): Make register iterator signed.
+ (rs6000_emit_epilogue): Likewise.
+ * config/rs6000/rs6000.md (addsi3, adddi3): Sign-extend high
+ and low.
+ (movsf split, movdf split): Sign-extend CONST_INTs.
+ (movdi splits): Likewise.
+
+2001-04-12 Kelley Cook <kelley.cook@home.com>
+
+ * config-lang.in (lang_dirs): Add in zlib.
+
+2001-04-11 Alexandre Oliva <aoliva@redhat.com>
+
+ * config/i386/i386.md: Apply trunc_int_for_mode() to GEN_INT
+ operands that make it to RTL.
+
+2001-04-11 Stan Shebs <shebs@apple.com>
+
+ Add Darwin (Mac OS X kernel) native support.
+ * config.gcc (powerpc-*-darwin*): Add native bits.
+ * config/darwin.c: New file, generic Darwin support functions.
+ * config/darwin.h: New file, generic Darwin definitions.
+ * config/darwin-protos.h: New file, generic Darwin prototypes.
+ * rs6000/darwin.h: New file, Darwin for PowerPC.
+ * rs6000/t-darwin: New file, Darwin makefile fragment.
+ * rs6000/rs6000.h (OBJECT_MACHO): New macro.
+ (TARGET_MACHO): Ditto.
+ (rs6000_abi): Add ABI_DARWIN.
+ (RS6000_REG_SAVE): Add ABI_DARWIN case.
+ (RS6000_SAVE_AREA): Ditto.
+ (FP_ARG_MAX_REG): Ditto.
+ (RETURN_ADDRESS_OFFSET): Ditto.
+ * rs6000/rs6000.c (rs6000_legitimize_address): Add TARGET_MACHO
+ cases.
+ (rs6000_emit_move): Add ABI_DARWIN cases.
+ (print_operand): Ditto.
+ (first_reg_to_save): Ditto.
+ (rs6000_stack_info): Ditto, also align stack by 16 instead of 8.
+ (debug_stack_info): Ditto.
+ (rs6000_emit_prologue): Ditto.
+ (rs6000_emit_epilogue): Ditto.
+ (output_profiler_hook): Ditto.
+ (output_function_profiler): Ditto.
+ (rs6000_add_gc_roots): Call machopic_add_gc_roots if TARGET_MACHO.
+ (output_mi_thunk): Add TARGET_MACHO case.
+ (add_compiler_stub): Ditto.
+ (output_compiler_stub): Ditto.
+ (no_previous_def): Ditto.
+ (output_call): Ditto.
+ (machopic_output_stub): Ditto.
+ (rs6000_machopic_legitimize_pic_address): Ditto.
+ (toc_section): Ditto.
+ * rs6000/rs6000.md (addsi3_high): New TARGET_MACHO pattern.
+ (macho_high): Ditto.
+ (macho_low): Ditto.
+ (movsi_low): Ditto.
+ (load_macho_picbase): Ditto.
+ (call): Add TARGET_MACHO case to modify function.
+ (call_value): Ditto.
+ (call_nonlocal_sysv): Add ABI_DARWIN case.
+ (call_value_nonlocal_sysv): Ditto.
+ * rs6000/rs6000-protos.h (rs6000_machopic_legitimize_pic_address):
+ Add prototype.
+ (machopic_output_stub): Ditto.
+ * ginclude/stddef.h: Test _BSD_WCHAR_T_DEFINED_.
+
+2001-04-11 Mark Mitchell <mark@codesourcery.com>
+
+ * dwarf2out.c (modified_type_die): Don't create new types here.
+ * tree.h (get_qualified_type): New function.
+ (build_qualified_type): Adjust comment.
+ * tree.c (get_qualified_type): New function.
+ (build_qualified_type): Use it.
+
+2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * cpp.texi (-Wtraditional): Update description.
+
+ * invoke.texi (-Wtraditional): Likewise.
+
+2001-04-11 Jim Wilson <wilson@redhat.com>
+
+ * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Return 128 if argument
+ requires more than 64 bits of alignment.
+
+2001-04-11 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cpplib.c (do_line): Sanity check iff enable checking.
+
+2001-04-11 Richard Henderson <rth@redhat.com>
+
+ * Makefile.in (insn-recog.o): Depend on toplev.h.
+ (insn-emit.o, doloop.o): Likewise.
+ * genrecog.c, genemit.c: Include toplev.h in generated file.
+ * doloop.c: Include toplev.h.
+
+2001-04-11 Mark Mitchell <mark@codesourcery.com>
+
+ * Makefile.in (gcse.o): Depend on params.h.
+ * gcse.c: Include params.h.
+ (gcse_main): Don't do GCSE if doing so will take inordinate
+ amounts of memory.
+ * params.def (PARAM_MAX_GCSE_MEMORY): New parameter.
+ * params.h (MAX_GCSE_MEMORY): New macro.
+
+2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * Makefile.in (insn-output.o): Depend on $(EXPR_H).
+
+ * genoutput.c (output_prologue): Include expr.h in insn-output.c.
+
+2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * output.h (assemble_real): Declare if REAL_VALUE_TYPE is defined.
+
+ * real.h (ereal_atof, real_value_truncate, target_isnan,
+ target_isinf, target_negative, assemble_real, debug_real): Delete
+ redundant prototypes.
+
+ * Makefile.in (ifcvt.o): Depend on toplev.h.
+
+ * c-semantics.c: Include expr.h.
+
+ * ifcvt.c: Include toplev.h.
+
+ * expr.h (rtx_equal_p): Delete prototype.
+
+ * rtl.h (exact_log2_wide, floor_log2_wide, permalloc,
+ protect_from_queue, gen_jump, gen_beq, gen_bge, gen_ble,
+ eliminate_constant_term, expand_complex_abs, find_single_use,
+ make_tree, init_expr_once, init_optabs, supports_one_only):
+ Likewise.
+
+ * tree.h (exact_log2_wide, floor_log2_wide, expand_null_return,
+ rest_of_type_compilation, emit_queue, do_pending_stack_adjust,
+ expand_assignment, store_expr, emit_line_note_after,
+ emit_line_note_force, split_specs_attrs, label_rtx): Likewise.
+
+ * toplev.h (exact_log2_wide, floor_log2_wide): Add prototype.
+
+ * sparc-protos.h: Delete redundant prototypes.
+
+2001-04-11 Vladimir Makarov <vmakarov@toke.toronto.redhat.com>
+
+ * reload.c (push_reload): Add condition missed in SUBREG byte
+ offset patch.
+
+Wed Apr 4 00:28:23 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
+
+ * sparc/sol2-sld-64.h (STARTFILE_SPEC): Added missing blank.
+
+Wed Apr 11 14:06:10 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * i386.md (floatsisf_sse): Fix output template
+ * i386.c (ix86_expand_fp_movcc)
+
+ * reg-stack.c (emit_pop_insn): Handle complex modes.
+ (move_for_stack_reg): Emit proper move mode.
+ (subst_stack_regs_pat): Handle complex modes.
+
+2001-04-11 Jakub Jelinek <jakub@redhat.com>
+
+ * cpplex.c (_cpp_lex_token): Only warn if -Wcomment.
+
+2001-04-10 Richard Henderson <rth@redhat.com>
+
+ * libgcc2.h (__terminate_func_ptr): Remove typedef.
+ (__pure_virtual, __terminate, __terminate_set_func,
+ __default_terminate, __throw_type_match, __empty,
+ __get_eh_context, __get_eh_info, __get_dynamic_handler_chain,
+ __eh_rtime_match, __unwinding_cleanup, __rethrow,
+ __sjthrow, __sjpopnthrow, __eh_alloc, __eh_free):
+ Remove prototypes of deleted functions.
+
+2001-04-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * c-typeck.c (convert_arguments): -Wtraditional now activates
+ -Wconversion warnings, except for changes in signed-ness.
+ Detect complex<->int & int<->complex conversions as well.
+
+ * invoke.texi (-Wtraditional): Document it.
+
+Tue Apr 10 17:45:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * gcse.c (update_ld_motion_stores): Don't use variable I for an insn.
+ * flow.c (set_block_for_new_insns): Remove needless cast and
+ properly check for unset block number.
+
+2001-04-10 Andrew MacLeod <amacleod@redhat.com>
+
+ * function.c (purge_single_hard_subreg_set): Only check REGNO if
+ the subreg was a hard register. Pseudos are left as subregs.
+
+2001-04-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
+
+ * Makefile.in (LIB2FUNCS_STATIC_EXTRA): New macro.
+ (LIB2ADD_ST): New macro, pass it to mklibgcc.
+ * mklibgcc.in (libgcc2_st_objs): New variable, set it from LIB2ADD_ST.
+ (libgcc_st_objs): New, set from libgcc2_st_objs. Use it for libgcc.a.
+ * config/rs6000/t-ppccomm (LIB2FUNCS_STATIC_EXTRA): New macro.
+
+2001-04-09 Bo Thorsen <bo@suse.co.uk>
+
+ * config/i386/i386.md: "TARGET_64BIT && TARGET_64BIT": Removed one.
+
+2001-04-09 Andrew MacLeod <amacleod@redhat.com>
+
+ * output.h (set_block_num): Missed it earlier, remove deprecated
+ prototype.
+
+2001-04-09 Andrew MacLeod <amacleod@redhat.com>
+
+ * gcse.c (oprs_unchanged_p): Pass basic_block to load_killed_in_block_p.
+ (load_killed_in_block_p): Change bb parameter from int to basic_block.
+ (oprs_not_set_p): Pass basic_blocks instead of ints as parameters.
+ (handle_rd_kill_set): Change bb parameter from int to basic_block.
+ (compute_kill_rd): Pass basic_blocks instead of ints as parameters.
+ (expr_killed_p): Change bb parameter from int to basic_block, pass
+ basic_blocks instead of ints as parameters.
+ (compute_ae_kill): Pass basic_blocks instead of ints as parameters.
+ (expr_reaches_here_p_work, expr_reaches_here_p): Change bb parameter
+ from int to basic_block, pass basic_blocks instead of ints as parms.
+ (pre_expr_reaches_here_p_work, pre_expr_reaches_here_p): Change bb
+ parameter from int to basic_block, pass basic_blocks instead of ints.
+ (process_insert_insn): Pass basic_blocks instead of ints as parameters.
+ (insert_insn_end_bb): Change bb parameter from int to basic_block,
+ pass basic_blocks instead of ints.
+ (pre_edge_insert, pre_insert_copy_insn, pre_insert_copies): Pass
+ basic_blocks instead of ints as parameters.
+ (pre_delete): Pass basic_blocks instead of ints as parameters.
+ (hoist_expr_reaches_here_p): Change bb parameter from int to
+ basic_block, pass basic_blocks instead of ints.
+ (hoist_code): Pass basic_blocks instead of ints as parameters.
+ (reg_set_info, store_ops_ok, store_killed_after, store_killed_before):
+ Change bb parameter from int to basic_block.
+ (build_store_vectors): Pass basic_blocks instead of ints as parameters.
+ (insert_insn_start_bb): Change bb parameter from int to basic_block,
+ pass basic_blocks instead of ints.
+ (insert_store): Pass basic_blocks instead of ints as parameters.
+ (replace_store_insn, delete_store): Change bb parameter from int to
+ basic_block, pass basic_blocks instead of ints.
+ (store_motion): Pass basic_blocks instead of ints as parameters.
+
+2001-04-09 Andrew MacLeod <amacleod@redhat.com>
+
+ * basic-block.h (set_new_block_for_insns): New Prototype.
+ (set_block_num): Delete prototype.
+ * flow.c (set_block_num): Remove obsolete function.
+ (set_block_for_new_insns): Set BB for single or multiple insns.
+ * gcse.c (handle_avail_expr): Use set_block_for_new_insns.
+ (process_insn_end_bb): Use set_block_for_new_insns or
+ set_block_for_insn instead of set_block_num.
+ (pre_insert_copy_insn): Use set_block_for_new_insns.
+ (update_ld_motion_stores): Use set_block_for_new_insns.
+ (insert_insn_start_bb): Use set_block_for_new_insns.
+ (replace_store_insn): Use set_block_for_new_insns.
+
+2001-04-09 Andrew MacLeod <amacleod@redhat.com>
+ Jeff Law <law@redhat.com>
+
+ * alias.c (get_addr): Externalize.
+ (canon_true_dependence): New function. Behaves like true_dependance
+ except it already assumes a MEM has been canonicalized.
+ * flags.h (flag_gcse_lm, flag_gcse_sm): New optimization flags.
+ * gcse.c (struct ls_expr): Add load/store expressions structure.
+ (modify_mem_list, canon_modify_mem_list): New variable.
+ (gcse_main): Initialize & finalize alias analysis. Use enhanced
+ load motion and store motion if requested.
+ (alloc_gcse_mem): Allocate space for modify_mem_list array.
+ (free_gcse_mem): Free the modify_mem_list array.
+ (oprs_unchanged_p): Use load_killed_in_block_p.
+ (gcse_mems_conflict_p, gcse_mem_operand): New variables.
+ (mems_conflict_for_gcse_p): New function. Don't kill loads
+ with stores to themselves if its in the load/store expression list.
+ (load_killed_in_block_p): New function.
+ (canon_list_insert): New Function.
+ (record_last_mem_set_info): Keep a list of all instructions which
+ can modify memory for each basic block.
+ (compute_hash_table, reset_opr_set_tables): Clear modify_mem_list.
+ (oprs_not_set_p): Use load_killed_in_block_p.
+ (mark_call, mark_set, mark_clobber): Use record_last_mem_set_info.
+ (expr_killed_p): Use load_killed_in_block_p.
+ (compute_transp): Do not pessimize memory references.
+ (pre_edge_insert): Update stores for a load motion expression.
+ (one_pre_gcse_pass): Check loads/stores for extra load motion.
+ (ldst_entry): Find or create a ldst_expr structure.
+ (free_ldst_entry): Free memory for an individual item.
+ (free_ldst_mems): Free entire load/store expression list.
+ (print_ldst_list): Print debug info.
+ (find_rtx_in_ldst): Try to find an rtx expression in the ldst list.
+ (enumerate_ldsts): Assign integer values to each entry in list.
+ (first_ls_expr): First expression in the list.
+ (next_ls_expr): Next expression in the list.
+ (simple_mem): Check if expression qualifies for ld/st expression list.
+ (invalidate_any_buried_refs): Remove from expression list if its
+ used in some other way we don't understand.
+ (compute_ld_motion_mems): Find all potential enhanced load motion
+ expression.
+ (trim_ld_motion_mems): Remove any expressions which are invalid.
+ (update_ld_motion_stores): Copy store values to registers for loads
+ which have been moved.
+ (regvec, st_antloc, num_store): New global statics.
+ (reg_set_info): Marks registers as set.
+ (store_ops_ok): Verfies registers expressions are valid in a block.
+ (find_moveable_store): Look for moveable stores in a pattern.
+ (compute_store_table): Find stores in a function worth moving, maybe.
+ (load_kills_store): Check dependence of a load and store.
+ (find_loads): Find any loads in a pattern.
+ (store_killed_in_insn): Check if a store is killed in an insn.
+ (store_killed_after): Check is store killed after an insn in a block.
+ (store_killed_before): Check is store killed before an insn in a block.
+ (build_store_vectors): Generate the antic and avail vectors.
+ (insert_insn_start_bb): Insert at the start of a BB, update BLOCK_HEAD.
+ (insert_store): Add a store to an edge.
+ (replace_store_insn): Replace a store with a SET insn.
+ (delete_store): Delete a store insn.
+ (free_store_memory): Free memory.
+ (store_motion): Perform store motion.
+ * invoke.texi: Add documentation for -fcse-lm and -fgcse-sm.
+ * rtl.h (get_addr, canon_true_dependence): Add prototypes.
+ * toplev.c (flag_gcse_lm, flag_gcse_sm): New Variables.
+ (f_options): Add gcse-lm and gcse-sm.
+
+Mon Apr 9 16:18:03 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * i386.c (expand_fp_movcc): Fix condition reversal code.
+
+ * i386.c (ix86_register_move_cost): Fix handling of reformating penalty
+ * i386.h (INTEGER_CLASS_P, MAYBE_INTEGER_CLASS_P): New.
+ (CLASS_MAX_NREGS): Use it.
+
+ * i386.h (HARD_REGNO_NREGS): Handle properly TF and TCmodes on 64bit;
+ handle properly complex values.
+ (CLASS_MAX_NREGS): Likewise; update comment.
+
+2001-04-05 Bernd Schmidt <bernds@redhat.com>
+
+ * ia64.c (ia64_flag_schedule_insns2): New variable.
+ (ia64_override_options): Initialize it. Clear
+ flag_schedule_insns_after_reload.
+ (ia64_reorg): Only do scheduling if ia64_flag_schedule_insns2.
+
+Mon Apr 9 15:09:13 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * i386.md (truncdfsf2_*): Add i387->int/sse reg alternatives;
+ Do not require source to match destination anymore;
+ Add abort to the nontrivial cases that should be handled by split.
+ (fix_trunc?fdi): Add SSE case for x86_64.
+ (floatdi?f): Likewise.
+ (floatdi?f_sse): New.
+ (fix_trunc?fdi_sse): New.
+
+2001-04-09 Richard Sandiford <rsandifo@redhat.com>
+
+ * dwarfout.c (DEBUG_ARANGES_BEGIN_LABEL): New label.
+ (DEBUG_ARANGES_END_LABEL): Ditto.
+ (dwarfout_init): Generate length and version fields at the start
+ of the .debug_aranges info. Insert DEBUG_ARANGES_BEGIN_LABEL
+ after the length field.
+ (dwarfout_finish): Insert DEBUG_ARANGED_END_LABEL at the end of
+ the .debug_aranges info.
+
+Sun Apr 8 00:43:27 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * i386.c (call, call_value): Make sure that resulting call_insn
+ does have proper second operand.
+
+Sun Apr 8 22:50:49 2001 Christopher Faylor <cgf@cygnus.com>
+
+ * config/i386/xm-cygwin.h (GET_ENV_PATH_LIST): Eliminate obsolete
+ function. Remove include of sys/cygwin.h.
+
+Sun Apr 8 22:20:27 2001 Christopher Faylor <cgf@cygnus.com>
+
+ * config/i386/cygwin.h (STARTFILE_SPEC): search */lib/w32api by default.
+ (CPP_SPEC): Always search */include/w32api for header files.
+ (ASM_OUTPUT_SECTION_NAME): Avoid testing NULL DECL.
+ (LINK_SPEC): Add "cyg" to the library search prefixes.
+
+2001-04-08 Philip Blundell <philb@gnu.org>
+
+ * config/arm/arm.h (ASM_OUTPUT_LABELREF): Use asm_fprintf.
+
+2001-04-08 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cpperror.c (print_location): Don't special case <stdin>.
+ (_cpp_begin_message): Handle WARNING_SYSHDR the same as
+ WARNING, but we don't check if we're in system headers.
+ * cpplib.h (enum error_type): WARNING_SYSHDR: New.
+ * cpplib.c (do_warning): Warn in system headers.
+
+2001-04-07 Mumit Khan <khan@NanoTech.Wisc.EDU>
+
+ * mbchar.c: Include config.h first.
+
+2001-04-07 Zack Weinberg <zackw@stanford.edu>
+
+ * config.gcc: Set default for xmake_file at top, not bottom.
+ Change places that set xmake_file to "none" to set to the
+ empty string instead, or remove them entirely if there is no
+ default xmake_file for this cpu_type. Remove references to
+ deleted files.
+
+ * config/x-lynx, config/convex/x-convex, config/elxsi/x-elxsi,
+ config/i386/x-isc, config/i386/x-isc3, config/i386/x-ncr3000,
+ config/i386/x-next, config/i386/x-sco, config/i386/x-sysv3,
+ config/i386/x-vsta, config/i860/x-sysv4, config/m68k/x-amix,
+ config/m68k/x-apollo68, config/m68k/x-ccur, config/m68k/x-crds,
+ config/m68k/x-hp2bsd, config/m68k/x-mot3300, config/m68k/x-mot3300-gas,
+ config/m68k/x-tower, config/m88k/x-sysv4, config/mips/x-dec-osf1,
+ config/mips/x-sni-svr4, config/mips/x-ultrix, config/romp/x-mach,
+ config/romp/x-romp, config/rs6000/x-beos, config/rs6000/x-lynx,
+ config/rs6000/x-mach, config/rs6000/x-sysv4, config/sparc/x-sysv4:
+ Delete.
+
+ * config/a29k/x-unix, config/i386/x-aix, config/i386/x-osf1elf,
+ config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
+ config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
+ config/mips/x-sysv, config/rs6000/x-aix31:
+ Just set CLIB to -lld or -lmld, as appropriate.
+
+ * config/arm/x-riscix, config/i370/x-oe, config/i386/x-dgux,
+ config/i386/x-sco4, config/i386/x-sco5, config/m68k/x-hp320,
+ config/m68k/x-hp320g, config/m68k/x-next, config/m88k/x-dgux,
+ config/mips/x-iris, config/pa/x-pa:
+ Just set (some of) FIXPROTO_DEFINES, STMP_FIXPROTO,
+ OTHER_FIXINCLUDES_DIRS.
+
+ * config/i386/x-djgpp: Don't set LN or LN_S.
+ * config/m88k/x-dolph: Don't define __m88k__.
+ * config/m88k/x-tekXD88: Don't set AR_FLAGS.
+ * config/pa/x-pa-mpeix: Just set up quadlib.asm.
+ * config/i860/fx2800.h: No need to #undef SVR4.
+
+ 38 x-host fragments remain, 2 x-cpu.
+
+2001-04-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
+
+ * c4x.h (HARD_REGNO_NREGS): HCmode mode uses 2 regs not 4.
+
+2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cpplib.c (cpp_push_buffer): Give stdin buffers the name <stdin>.
+
+2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * configure.in: Add check for lstat.
+ * configure, config.in: Regenerate.
+ * cppinit.c (append_include_chain): Make empty path ".".
+ * cpplib.c (do_line): Don't simplify #line paths.
+ * cppfiles.c (remove_component_p): New function.
+ (find_or_create_entry): Acknowledge stat () errors during
+ path simplification.
+ (handle_missing_header): Don't simplify paths.
+ (_cpp_simplify_pathname): Don't simplify VMS paths. Return
+ the empty path untouched. Don't leave a trailing '/'.
+
+2001-04-06 Benjamin Kosnik <bkoz@redhat.com>
+
+ * cppdefault.c (GPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
+ * Makefile.in (-DGPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
+
+2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cppfiles.c (open_file): Fail directories silently, but
+ with an errno of NOENT set.
+ (read_include_file): Move the common exit code to the sole
+ caller. Return an int indicating success or failure. Let
+ open_file handle directories.
+ (stack_include_file): If read_include_file fails,
+ push a "null" buffer.
+
+2001-04-05 DJ Delorie <dj@redhat.com>
+
+ * function.h (virtuals_instantiated): Declare.
+ * function.c: (virtuals_instantiated): Make global.
+ * calls.c (emit_library_call_value_1): Use
+ virtual_outgoing_args_rtx only if it hasn't been instantiated.
+ Otherwise, use the stack pointer directly.
+
+Thu Apr 5 19:13:33 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * i386.c (x86_initialize_trampoline): New global function.
+ * i386.h (TRAMPOLINE_SIZE): Size is 23 for x86_64.
+ (INITIALIZE_TRAMPOLINE): Move offline.
+ * i386-protos.h (x86_initialize_trampoline): Declare.
+
+Thu Apr 5 19:02:15 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * i386.md (movdi_1_rex64): Allow SSE->SSE reg move.
+ (lea_0): Rename to lea_1.
+ (lea_1_zext, lea_1_rex64, lea_2_rex64): New patterns.
+ (lea_general_?): Allow SImodes on TARGET_64BIT
+ (lea_general_?_zext): New patterns.
+ (call_1, call_1_rex64): Fix.
+
+Thu Apr 5 19:00:15 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * i386.c (ix86_split_long_move): Use PUT_MODE instead of change_address.
+
+Thu Apr 5 18:25:56 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * i386.c (function_arg): Return constm1_rtx for last argument.
+ (ix86_expand_prologue): Update gen_call calls.
+ * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
+ * i386.md (call_pop): Likewise.
+ (call): Second operand is VOIDmode.
+ (call_0): Likewise; Support 64bits.
+ (call_exp): New expander.
+ (call_1): Get to the sync.
+ (call_1_exp): New pattern.
+ (call_value): Support 64bit.
+ (call_value_exp): New pattern.
+ (untyped_call): Update gen_call call.
+ (call_value_pop): Disable for 64bit.
+ (call_value_0_rex64): New pattern.
+ (call_value_1_rex64): Likewise.
+
+2001-04-05 Bo Thorsen <bo@suse.de>
+
+ * i386.md: Don't allow "builtin_setjmp_receiver" for TARGET_64BIT.
+
+Thu Apr 5 13:44:17 2001 J"orn Rennecke <amylaar@redhat.com>
+
+ * i386.md (*andsi_1+3): If used after reload, make sure the operand
+ satisfies ANY_QI_REG_P.
+
+2001-04-05 Bernd Schmidt <bernds@redhat.com>
+
+ * config/ia64/ia64.c (rtx_needs_barrier): A PARALLEL can contain
+ ASM_OPERAND.
+
+ * sched-deps.c (sched_analyze_insn): Revert more of the March 27
+ change.
+
+2001-04-04 Zack Weinberg <zackw@stanford.edu>
+
+ * config.gcc: Remove default for xm_file. Clean up local
+ machine type handling. Remove settings of xm_file to
+ something that doesn't exist. In the big switch, set xm_file,
+ don't append to it (the value before the big switch is always
+ null). Don't force build_xm_file or host_xm_file to have a value.
+ * configure.in: Remove default for xm_file. Do not special
+ case $cpu/xm-$cpu.h not existing.
+ * configure: Regenerate.
+
+2001-04-04 Diego Novillo <dnovillo@redhat.com>
+
+ * simplify-rtx.c (simplify_binary_operation): Check for overflow
+ when folding integer division and modulo operations.
+
+2001-04-04 Andrew MacLeod <amacleod@redhat.com>
+
+ * dwarf2out.c (output_cfi): Add 'for_eh' parameter, use PTR_SIZE
+ instead of DWARF2_ADDR_SIZE for EH addresses.
+ (output_call_frame_info): Use PTR_SIZE instead of DWARF2_ADDR_SIZE for
+ EH addresses.
+
+2001-04-04 Richard Henderson <rth@redhat.com>
+
+ * config/ia64/ia64.h (IA64_UNWIND_INFO): Disable.
+ * config/ia64/t-glibc (LIB2ADDEH): Disable.
+ * config/ia64/t-ia64 (LIB2ADDEH): Disable.
+
+2001-04-04 Richard Henderson <rth@redhat.com>
+
+ * configure.in (gcc_cv_as_leb128): Escape "." in regexp.
+ * configure: Rebuilt.
+
+2001-04-04 Jakub Jelinek <jakub@redhat.com>
+
+ * gcse.c (delete_null_pointer_checks_1): Add delete_list argument,
+ push insns to delete to it instead of deleting them.
+ (delete_null_pointer_checks): Delete insns from delete_list after
+ all delete_null_pointer_checks_1 passes are done.
+
+2001-04-04 Richard Henderson <rth@redhat.com>
+
+ * configure.in (gcc_cv_as_leb128): Tweek minor number extraction.
+ * configure: Rebuilt.
+
+2001-04-04 Zack Weinberg <zackw@stanford.edu>
+
+ * expr.h: Remove #ifdef FUNCTION_CONVERSION_BUG logic.
+ * config/romp/xm-romp.h: Delete.
+
+2001-04-04 Bernd Schmidt <bernds@redhat.com>
+
+ * sched-deps.c (sched_analyze_insn): Partially revert March 27
+ change.
+
+2001-04-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
+
+ * emit-rtl.c (mark_label_nuses) Increment the label uses for
+ all labels present in rtx.
+ (try_split) Call new function for all split insns.
+
+2001-04-04 Jakub Jelinek <jakub@redhat.com>
+
+ * recog.c (validate_replace_rtx_1): Instead of aborting just make
+ sure the change won't be validated.
+
+Wed Apr 4 00:45:38 EDT 2001 John Wehle (john@feith.com)
+
+ * rtl.h (set_noop_p): Declare.
+ * flow.c (set_noop_p): Move from here ...
+ * rtlanal.c (set_noop_p): ... to here and enhance.
+ * cse.c (delete_trivially_dead_insns): Use it.
+ * gcse.c (hash_scan_set): Likewise.
+ * jump.c (delete_noop_moves): Likewise.
+ * recog.c (split_all_insns): Likewise.
+
+2001-04-04 Alan Modra <alan@linuxcare.com.au>
+
+ * dwarf2out.c (dwarf2out_frame_debug_expr): Support adjusting
+ stack pointer via a LO_SUM. Ditto for setting a temp register
+ used to save to the stack. Set cfa_temp when setting fp, and
+ allow matches to cfa_temp in addition to cfa_store when saving
+ regs. Handle POST_INC and LO_SUM register stores. Document the
+ changes and errors in rule 12 doco.
+
+ * pa.c (set_reg_plus_d, store_reg, load_reg): Return last insn.
+ (actual_fsize, local_fsize, save_fregs): Move for store_reg to see.
+ (load_reg): Move closer to epilogue code.
+ (DO_FRAME_NOTES): Define to control the following..
+ (FRP): Define to set RTX_FRAME_RELATED_P on insns.
+ (hppa_expand_prologue): Use FRP and REG_FRAME_RELATED_EXPR
+ notes as necessary.
+ (hppa_expand_epilogue): Likewise.
+
+2001-04-03 Richard Henderson <rth@redhat.com>
+
+ * configure.in (gcc_cv_as_leb128): Reject gas before 2.11.
+ * configure: Rebuild.
+
+2001-04-03 Richard Henderson <rth@redhat.com>
+
+ * rtl.h (LCT_THROW): New.
+ * calls.c (emit_library_call_value_1): Handle it.
+ * except.c (connect_post_landing_pads): Use it.
+
+2001-04-03 Zack Weinberg <zackw@stanford.edu>
+
+ * gansidecl.h: Delete file.
+ * configure.in: Change all refs to gansidecl.h to use
+ ansidecl.h. Adjust *_file_list so they know where ansidecl.h
+ lives.
+ * configure: Regenerate.
+
+ * Makefile.in (intl.o): Don't depend on gansidecl.h.
+ * defaults.h: s/gansidecl.h/ansidecl.h/ in comment.
+ * ggc.h, config/fr30/fr30.h, config/mcore/mcore.c:
+ Don't include gansidecl.h.
+ * intl.c, main.c, version.c, fixinc/fixlib.h,
+ fixinc/procopen.c, fixinc/server.c: Include ansidecl.h not
+ gansidecl.h.
+
+Tue Apr 3 19:41:21 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * i386.c (ix86_force_to_memory, ix86_free_from_memory):
+ Update for 64bit.
+
+2001-04-03 Zack Weinberg <zackw@stanford.edu>
+
+ * config/i386/xm-beos.h, config/i386/xm-isc.h,
+ config/i386/xm-next.h, config/i386/xm-sco.h,
+ config/i386/xm-sco5.h, config/m68k/xm-plexus.h,
+ config/m88k/xm-m88k.h: Delete.
+
+ * config/i386/xm-djgpp.h: Don't define __MSDOS__.
+ * config/romp/xm-romp.h: Don't define bcopy.
+ * config/rs6000/xm-beos.h: Don't define bcopy, HAVE_VPRINTF,
+ HAVE_PUTENV, HAVE_RENAME, or USE_C_ALLOCA.
+
+ * config.gcc: Remove references to deleted files.
+
+ 14 xm-host.h remain, 1 xm-cpu.h.
+
+2001-04-03 Jakub Jelinek <jakub@redhat.com>
+ David S. Miller <davem@pierdol.cobaltmicro.com>
+ Andrew MacLeod <amacleod@redhat.com>
+
+ Use byte offsets in SUBREGs instead of words.
+
+ * alias.c (nonlocal_mentioned_p): Use subreg_regno function.
+ * caller-save.c (mark_set_regs): Change callers of subreg_hard_regno
+ to pass new argument.
+ (add_stored_regs): Use subreg_regno_offset function.
+ * calls.c (expand_call): For non-paradoxical SUBREG take endianess
+ into account.
+ (precompute_arguments): Use gen_lowpart_SUBREG.
+ * combine.c (try_combine): Replace explicit XEXP with SUBREG_REG.
+ (combine_simplify_rtx): Rework to use SUBREG_BYTE.
+ (simplify_set): Rework to use SUBREG_BYTE.
+ (expand_field_assignment): Use SUBREG_BYTE.
+ (make_extraction): Use SUBREG_BYTE.
+ (if_then_else_cond): Use SUBREG_BYTE.
+ (apply_distributive_law): Use SUBREG_BYTE and fixup subreg comments.
+ (gen_lowpart_for_combine): Compute full byte offset.
+ * cse.c (mention_regs): Use SUBREG_BYTE.
+ (remove_invalid_subreg_refs): Rework to use SUBREG_BYTE.
+ (canon_hash): Use SUBREG_BYTE.
+ (fold_rtx): Pass SUBREG_BYTE div UNITS_PER_WORD to operand_subword.
+ (gen_lowpart_if_possible): Formatting.
+ * dbxout.c (dbxout_symbol_location): Compute SUBREG hard regnos
+ correctly.
+ * dwarf2out.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
+ (mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
+ (loc_descriptor): Fixup explicit XEXP into SUBREG_REG
+ * dwarfout.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
+ (output_mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
+ (output_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
+ * emit-rtl.c (gen_rtx_SUBREG): New function, used to verify
+ certain invariants about SUBREGs the compiler creates.
+ (gen_lowpart_SUBREG): New function.
+ (subreg_hard_regno): New function to get the final register number.
+ (gen_lowpart_common): Use SUBREG_BYTE.
+ (gen_imagpart): Spacing nits.
+ (subreg_realpart_p): Use SUBREG_BYTE.
+ (gen_highpart): Use SUBREG_BYTE.
+ (subreg_lowpart_p): Always compute endian corrected goal offset,
+ even at the byte level, then compare against that.
+ (constant_subword): New function, pulled out all constant cases
+ from operand_subword and changed second argument name to offset.
+ (operand_subword): Detect non REG/SUBREG/CONCAT/MEM cases early
+ and call constant_subword to do the work. Return const0_rtx if
+ looking for a word outside of OP.
+ (operand_subword_force): Change second arg name to offset.
+ * expmed.c (store_bit_field): Use SUBREG_BYTE.
+ (store_split_bit_field): Use SUBREG_BYTE.
+ (extract_bit_field): Use SUBREG_BYTE.
+ (extract_split_bit_field): Use SUBREG_BYTE.
+ (expand_shift): Use SUBREG_BYTE.
+ * expr.c (store_expr, expand_expr): Use gen_lowpart_SUBREG.
+ * final.c (alter_subreg) Use subreg_hard_regno and SUBREG_BYTE.
+ * flow.c (set_noop_p): Use SUBREG_BYTE.
+ (mark_set_1): Remove ALTER_HARD_SUBREG. Use subreg_regno_offset instead.
+ * function.c (fixup_var_refs_1): Fixup explicit XEXP into a SUBREG_REG.
+ (fixup_memory_subreg): Use SUBREG_BYTE and remove byte endian
+ correction code.
+ (optimize_bit_field): Use SUBREG_BYTE.
+ (purge_addressof_1): Use SUBREG_BYTE.
+ (purge_single_hard_subreg_set): Use subreg_regno_offset function.
+ (assign_params): Mark arguments SUBREG_PROMOTED_VAR_P if they are
+ actually promoted by the caller and PROMOTE_FOR_CALLS_ONLY is true.
+ * gengenrtl.c (special_rtx): Add SUBREG.
+ * global.c (mark_reg_store): Use SUBREG_BYTE.
+ (set_preference): Rework to use subreg_regno_offset and SUBREG_BYTE.
+ * ifcvt (noce_emit_move_insn): Use SUBREG_BYTE.
+ * integrate.c (copy_rtx_and_substitute): Use SUBREG_BYTE and make sure
+ final byte offset is congruent to subreg's mode size.
+ (subst_constants): Use SUBREG_BYTE.
+ (mark_stores): Use subreg_regno_offset function.
+ * jump.c (rtx_renumbered_equal_p, true_regnum): Use subreg_regno_offset
+ function and SUBREG_BYTE.
+ * local-alloc.c (combine_regs): Use subreg_regno_offset function.
+ (reg_is_born): Use subreg_hard_regno.
+ * recog.c (valid_replace_rtx_1): Use SUBREG_BYTE and remove byte
+ endian correction code. Don't combine subregs unless resulting
+ offset aligns with type. Fix subreg constant extraction for DImode.
+ Simplify SUBREG of VOIDmode CONST_DOUBLE.
+ (general_operand): Remove dead mode_altering_drug code.
+ (indirect_operand): Use SUBREG_BYTE.
+ (constrain_operands): Use subreg_regno_offset function.
+ * reg-stack.c (get_true_reg): Use subreg_regno_offset function.
+ * regmove.c (regmove_optimize): Use SUBREG_BYTE.
+ (optimize_reg_copy_3): Use gen_lowpart_SUBREG.
+ * regs.h (REG_SIZE): Allow target to override.
+ (REGMODE_NATURAL_SIZE): New macro which target can override.
+ * reload.c (reload_inner_reg_of_subreg): subreg_regno should be used
+ on the entire subreg rtx.
+ (push_reload): Use SUBREG_BYTE in comments and code.
+ (find_dummy_reload): Use subreg_regno_offset. Only adjust offsets
+ for hard registers inside subregs.
+ (operands_match_p): Use subreg_regno_offset.
+ (find_reloads): Use SUBREG_BYTE and only advance offset for subregs
+ containing hard regs.
+ (find_reload_toplev): Use SUBREG_BYTE. Remove byte endian
+ corrections when fixing up MEM subregs.
+ (find_reloads_address_1): Use SUBREG_BYTE, subreg_regno, and
+ subreg_regno_offset where appropriate.
+ (find_reloads_subreg_address): Use SUBREG_BYTE. Remove
+ byte endian corrections when fixing up MEM subregs.
+ (subst_reloads): When combining two subregs, make sure final
+ offset is congruent to subreg's mode size.
+ (find_replacement): Use SUBREG_BYTE and subreg_regno_offset.
+ (refers_to_regno_for_reload_p): Use subreg_regno.
+ (reg_overlap_mentioned_for_reload_p): Use subreg_regno_offset.
+ * reload1.c (eliminate_regs) Use SUBREG_BYTE. Remove byte endian
+ correction code for memory subreg fixups.
+ (forget_old_reload_1): Use subreg_regno_offset.
+ (choose_reload_regs): Use subreg_regno.
+ (emit_input_reload_insns): Use SUBREG_BYTE.
+ (reload_combine_note_store): Use subreg_regno_offset.
+ (move2add_note_store): Use subreg_regno_offset.
+ * resource.c (update_live_status, mark_referenced_resources): Use
+ subreg_regno function.
+ (mark_set_resources): Use subreg_regno function.
+ * rtl.h (SUBREG_WORD): Rename to SUBREG_BYTE.
+ (subreg_regno_offset, subreg_regno): Define prototypes.
+ (subreg_hard_regno, constant_subword, gen_rtx_SUBREG): Newi functions.
+ (gen_lowpart_SUBREG): Add prototype.
+ * rtl.texi (subreg): Update to reflect new byte offset representation.
+ Add mentioning of the effect that BYTES_BIG_ENDIAN has on subregs now.
+ * rtlanal.c (refers_to_regno_p): Use subreg_regno.
+ (reg_overlap_mentioned_p): Use subreg_regno.
+ (replace_regs); Make sure final offset of combined subreg is
+ congruent to size of subreg's mode.
+ (subreg_regno_offset): New function.
+ (subreg_regno): New function.
+ * sched-vis.c (print_value): Change SUBREG_WORD to SUBREG_BYTE.
+ * sdbout.c (sdbout_symbol): Compute offset using alter_subreg.
+ * stmt.c (expand_anon_union_decl): Use gen_lowpart_SUBREG.
+ * tm.texi (ALTER_HARD_SUBREG): Remove, it is now dead.
+ (SUBREG_REGNO_OFFSET): Describe SUBREG_REGNO_OFFSET overrides.
+ * config/a29k/a29k.c (gpc_reg_operand): Use subreg_regno.
+ (a29k_get_reloaded_address): Use SUBREG_BYTE.
+ (print_operand): Use SUBREG_BYTE.
+ * config/alpha/alpha.c (print_operand_address): Use SUBREG_BYTE.
+ * config/arm/arm.c (arm_reload_in_hi): Use SUBREG_BYTE.
+ (arm_reload_out_hi): Use SUBREG_BYTE.
+ * config/d30v/d30v.c (d30v_split_double): Use subreg_regno_offset
+ instead of SUBREG_WORD.
+ (d30v_print_operand_memory_reference): Use subreg_regno_offset.
+ * config/dsp16xx/dsp16xx.md (extendqihi2, zero_extendqihi2): Fix
+ SUBREG creation to use byte offset.
+ * config/h8300/h8300.md (Unnamed HImode zero extraction and 16bit
+ inverted load insns): Fix explicit rtl subregs to use byte
+ offsets.
+ * config/i370/i370.md (cmpstrsi, movstrsi, mulsi3, divsi3,
+ udivsi3, umodsi3): Generate SUBREGs with byte offsets.
+ * config/i860/i860.c (single_insn_src_p): Use SUBREG_BYTE.
+ * config/i860/i860.md (mulsi3_big): Fixup explicit SUBREGs in rtl
+ to use byte offsets.
+ (unnamed fmlow.dd insn): Fixup SUBREGS to use byte offsets.
+ * config/i960/i960.md (extendhisi2): Generate SUBREGs with byte
+ offsets, also make sure it is congruent to SUBREG's mode size.
+ (extendqisi2, extendqihi2, zero_extendhisi2, zero_extendqisi2,
+ unnamed ldob insn): Generate SUBREGs with byte offset.
+ (zero_extendqihi2): SUBREG's are byte offsets.
+ * config/m68hc11/m68hc11.c (m68hc11_gen_lowpart): Use SUBREG_BYTE.
+ (m68hc11_gen_highpart): Use SUBREG_BYTE.
+ * config/m68k/m68k.md (zero_extendhisi2, zero_extendqihi2,
+ zero-extendqisi2): Generate SUBREGs with byte offset.
+ (umulsidi3, mulsidi3, subreghi1ashrdi_const32,
+ subregsi1ashrdi_const32, subreg1lshrdi_const32): Fixup explicit
+ subregs in rtl to use byte offsets.
+ * config/m88k/m88k.md (extendsidi2): fixup subregs to use byte offset.
+ * config/mips/mips.c (mips_move_1word): Use subreg_regno_offset.
+ (mips_move_2words): Use subreg_regno_offset.
+ (mips_secondary_reload_class): Use subreg_regno_offset.
+ * config/mips/mips.md (DImode plus, minus, move, and logical op
+ splits): Fixup explicit subregs in rtl to use byte offsets.
+ * config/mn10200/mn10200.c (print_operand): Use subreg_regno function.
+ * config/mn10300/mn10300.c (print_operand): Use subreg_regno function.
+ * config/ns32k/ns32k.md (udivmoddisi4): Fix explicit subregs in
+ rtl to use byte offsets.
+ * config/pa/pa.c (emit_move_sequence): Use SUBREG_BYTE.
+ * config/pa/pa.md (floatunssisf2, floatunssidf2, mulsi3): fix explicit
+ subregs to use byte offsets.
+ * config/pdp11/pdp11.md (zero_extendhisi2, modhi3, modhi3+1):
+ Fixup explicit subregs in rtl to use byte offsets.
+ * config/romp/romp.c (memory_offset_in_range_p): Use SUBREG_BYTE
+ and remove byte endian correction code.
+ * config/sh/sh.c (output_movedouble): Use subreg_regno.
+ (gen_ashift_hi): Use SUBREG_BYTE.
+ (regs_used): Use subreg_regno_offset.
+ (machine_dependent_reorg): Use subreg_regno_offset.
+ * config/sh/sh.h (INDEX_REGISTER_RTX_P): Use SUBREG_BYTE.
+ * config/sh/sh.md (DImode and DFmode move splits): Use subreg_regno.
+ (movdf_i4): Subregs are byte offsets now.
+ * config/sparc/sparc.c (ultra_find_type): Use SUBREG_BYTE.
+ * config/sparc/sparc.h (ALTER_HARD_SUBREG): Removed.
+ (REGMODE_NATURAL_SIZE): Override.
+ (REG_SIZE): For SUBREG check float mode on SUBREG_REG's mode.
+ * config/sparc/sparc.md (TFmode move splits): Generate SUBREGs
+ with byte offsets.
+ (zero_extendhisi2, zero_extendqidi2_insn, extendhisi2,
+ extendqihi2, sign_extendqihi2_insn, sign_extendqisi2_insn,
+ extendqidi2): Generate SUBREGs with byte offsets, also make sure
+ it is congruent to SUBREG's mode size.
+ (smulsi3_highpart_v8plus): Fix explicit subregs in rtl to use byte
+ offsets.
+ (cmp_siqi_trunc, cmp_siqi_trunc_set, cmp_diqi_trunc,
+ cmp_diqi_trunc_set, lshrdi3_v8plus+1, lshrdi3_v8plus+2,
+ lshrdi3_v8plus+3, lshrdi3_v8plus+4): Use proper
+ SUBREG_BYTE offset for non-paradoxical subregs in patterns.
+ * config/v850/v850.c (print_operand, output_move_double): Use
+ subreg_regno function.
+
+2001-04-03 Alexandre Oliva <aoliva@redhat.com>
+
+ * configure.in (target_subdir): Use target_alias, not target.
+ * configure: Rebuilt.
+
+ * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the
+ other way round.
+ * config/sh/crti.asm: Fix typos in comments.
+
+2001-04-03 Alan Modra <alan@linuxcare.com.au>
+
+ * pa.h: Revise comments for TARGET_NO_SPACE_REGS and
+ TARGET_FAST_INDIRECT_CALLS.
+ * pa.c (override_options): TARGET_NO_SPACE_REGS is now OK with
+ -fPIC. Don't warn.
+ (return_addr_rtx): Short circuit export stub matching when
+ TARGET_NO_SPACE_REGS.
+ (output_millicode_call): For out of range calls, make -fPIC
+ take precedence, then TARGET_PORTABLE_RUNTIME, then ble. Don't
+ return before delay slot checks when TARGET_PORTABLE_RUNTIME.
+ * pa.md: Modify length attr calculation of all millicode insns to
+ match above.
+
+2001-04-02 Geoffrey Keating <geoffk@redhat.com>
+
+ * configure.in (gcc_cv_as_leb128): Correct name of cache variable.
+ Require at least 2.11 in the version test. Specifically check
+ for and reject GAS version 2.10.90.
+ * configure: regenerate.
+
+2001-04-03 Alan Modra <alan@linuxcare.com.au>
+
+ * pa.c (override_options): Remove PIC profiling warning.
+ (hp_profile_labelno): Delete.
+ (hp_profile_label_rtx): Delete.
+ (hp_profile_label_name): Delete.
+ (pa_add_gc_roots): Remove reference to hp_profile_label_rtx.
+ (output_function_prologue): Remove profiling code and all tests on
+ profile_flag. Move store of PIC_OFFSET_TABLE_REGNUM now that
+ merge_sp_adjust_with_store can work for PIC and profiling.
+ (hppa_expand_epilogue): Remove profile_flag test.
+ (hppa_can_use_return_insn_p): Likewise.
+ (hppa_init_pic_save): Emit before tail_recursion_reentry, and
+ cater for PROFILE_HOOK.
+ (hppa_profile_hook): New function.
+ * pa.h (FUNCTION_PROFILER): Now does nothing.
+ (PROFILE_HOOK): Define.
+ (hppa_profile_hook): Declare.
+ (PROFILE_BEFORE_PROLOGUE): Delete.
+ (ASM_OUTPUT_REG_PUSH): Delete.
+ (ASM_OUTPUT_REG_POP): Delete.
+ * pa.md (call_profiler): Turn it into a call insn, and don't `use'
+ r24. Accept function name operand, and use this and a locally
+ generated label to calculate pc-rel offset to func start.
+
+2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * $(HOST_PREFIX_1)errors.o, $(HOST_PREFIX_1)ggc-none.o,
+ ggc-common.o, ggc-simple.o, ggc-page.o, ggc-none.o: Depend on
+ $(SYSTEM_H).
+
+2001-04-03 Alan Modra <alan@linuxcare.com.au>
+
+ * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
+ LO_SUM cases to where they belong.
+
+2001-04-02 Richard Henderson <rth@redhat.com>
+
+ * except.h (lang_eh_type_covers): Mark extern.
+ (lang_eh_runtime_type): Likewise.
+
+2001-04-02 Zack Weinberg <zackw@stanford.edu>
+
+ * genattr.c, gencheck.c, gencodes.c, genconfig.c, genflags.c,
+ gengenrtl.c: Wrap generated header in multiple-include guard.
+ Improve error checking.
+
+2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * configure.in: Don't check for putenv.
+ * configure: Regenerate.
+ * gcc.c (putenv): Don't define.
+ * vax/xm-vms.h: Handle putenv.
+
+2001-04-02 Jakub Jelinek <jakub@redhat.com>
+
+ * ifcvt.c (noce_emit_move_insn): New.
+ (noce_try_store_flag, noce_try_store_flag_constants,
+ noce_try_store_flag_inc, noce_try_store_flag_mask,
+ noce_try_cmove, noce_try_cmove_arith, noce_try_minmax,
+ noce_try_abs): Use it.
+ (noce_process_if_block): Likewise.
+ For STRICT_LOW_PART, take mode from its SUBREG.
+
+2001-04-02 Jakub Jelinek <jakub@redhat.com>
+
+ * fold-const.c (fold): Before optimizing unsigned comparison with
+ 0x7fffffffU, make sure arg0 is integral type.
+
+2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-tree.texi: Document representation of wide strings.
+
+2001-04-01 Richard Henderson <rth@redhat.com>
+
+ * except.h (expand_builtin_dwarf_fp_regnum): Declare.
+
+Sun Apr 1 11:49:05 CEST 2001 Jan Hubicka <jH@suse.cz>
+
+ * i386.md: remove obsoleted comments.
+ (adddi_?): Rename to adddi_?_rex64; disable for 32bit.
+ (x86_movsicc_0_m1_rex64): Rename to x86_movdicc_0_m1_rex64;
+ fix output template.
+
+2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl>
+
+ * config/avr/libgcc.S (__mulhi3): Optimize previous change.
+
+2001-03-30 Bernd Schmidt <bernds@redhat.com>
+
+ * loop.c (load_mems): When generating a load from a pseudo, update
+ REGNO_LAST_UID.
+
+Fri Mar 30 17:36:43 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * i386.c (ix86_split_long_move): Use change address to compensate
+ stack pointer change in push instruction.
+
+Fri Mar 30 00:31:00 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * i386.md (sse_movdfcc_eq): Fix constraint (sse_mov?fcc splitter): Use operands_match_p
+ instead of rtx_equal_p; fix the output template.
+
+Fri Mar 30 00:21:41 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * i386.c (ix86_expand_setcc): Support 64bit.
+ (ix86_expand_int_movcc): Likewise.
+ * i386.md (movdicc_rex64, x86_movsicc_0_m1_rex64, movdicc_c_rex64):
+ New patterns.
+
+ * i386.md (allocate_stack_worker): Turn to expander.
+ (allocate_stack_worker_1, allocate_stack_worker_rex64): New insns.
+
+ * i386.c (print_reg): Do not print x86_64 style regs on IA-32
+
+2001-03-29 Richard Henderson <rth@redhat.com>
+
+ * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h.
+
+2001-03-28 Matthew Hiller <hiller@redhat.com>
+
+ * config/mn10300/mn10300.md (cmpsi): Fix first alternative's
+ output template.
+
+ * MAINTAINERS: Added self.
+
+2001-03-28 Richard Henderson <rth@redhat.com>
+
+ * Makefile.in (cs-tconfig.h): Depend on CONFIG_H, not GCONFIG_H.
+ Use ALL_CFLAGS not HOST_CFLAGS for sjlj detection.
+
+2001-03-28 Jim Wilson <wilson@redhat.com>
+
+ * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
+ operand_subword.
+
+2001-03-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * toplev.h (fatal_error): Add ATTRIBUTE_NORETURN.
+
+ * tradcif.y (yyerror): Likewise. Add format specifier in call to
+ `error'.
+
+ * tradcpp.c (macroexpand): Likewise for call to `error_with_line'.
+
+2001-03-28 DJ Delorie <dj@redhat.com>
+
+ * Makefile.in (stage1_build): Revert CFLAGS patch.
+
+2001-03-28 Marek Michalkiewicz <marekm@linux.org.pl>
+
+ * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
+ when multiplier or multiplicand is zero.
+
+2001-03-28 Bernd Schmidt <bernds@redhat.com>
+
+ * cselib.c (hash_rtx): Don't do tail recursion elimination by hand.
+
+ * config/ia64/ia64.c (update_set_flags): New function, broken out of
+ rtx_needs_barrier.
+ (set_src_needs_barrier): Likewise.
+ (rtx_needs_barrier): For SET case, use these two functions. Rework
+ PARALLEL case to handle all inputs before all outputs.
+ (emit_insn_group_barriers): Call init_insn_group_barriers only if we
+ saw a label and no stop bit since then.
+ (maybe_rotate, process_epilogue): Add prototypes.
+
+2001-03-28 Richard Henderson <rth@redhat.com>
+
+ * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
+ not TARGET_TOC for special toc restore handling.
+ * config/rs6000/rs6000.md (eh_return): Likewise.
+
+2001-03-28 Richard Henderson <rth@redhat.com>
+
+ * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
+ current_function_calls_eh_return.
+ (output_function_epilogue): Handle eh_return.
+ * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
+ (EH_RETURN_DATA_REGNO): New.
+ (EH_RETURN_STACKADJ_RTX): New.
+ (EH_RETURN_HANDLER_RTX): New.
+ * config/sparc/sparc.md (call/short branch peepholes): Check
+ can_throw_internal instead of in_same_eh_region.
+
+ * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
+ for eh_return data registers.
+ (rs6000_emit_prologue): Save eh_return data registers.
+ (rs6000_emit_epilogue): Force inline restores if eh_return.
+ Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX.
+ * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
+ (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
+ (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
+ the target uses one.
+ * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
+ (return_eh_si, return_eh_di): Remove.
+ (eh_return): New, from corpse of eh_epilogue.
+ (eh_set_lr_si, eh_set_lr_di): New.
+
+ * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
+ (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
+ True for pic register if current_function_calls_eh_return.
+ (ix86_expand_epilogue): Change "emit_return" argument into "style".
+ Handle eh_return requirements.
+ * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
+ (EH_RETURN_STACKADJ_RTX): New.
+ * config/i386/i386.md (exception_receiver): Remove.
+ (eh_return, eh_return_1): New.
+ * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
+
+ * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
+ (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
+ (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
+ * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
+ (EH_RETURN_DATA_REGNO): New.
+ (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
+ * config/alpha/alpha.md (eh_epilogue): Remove.
+ (exception_receiver): Use $26 for ldgp input.
+ * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
+
+2001-03-28 Richard Henderson <rth@redhat.com>
+
+ * except.c: Rewrite entirely for IA-64 ABI exception handling.
+ * except.h: Likewise.
+
+ * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
+ (LIB2ADDEHDEP): New.
+ (LIB2FUNCS_EH): Remove.
+ (LIB2ADD): Remove LIB2ADDEH.
+ (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
+ (LIBGCC_DEPS): Use LIB2ADDEHDEP.
+ (crt{begin,end}[S].o): Likewise.
+ (except.o): Update includes.
+ * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
+ (libgcc2_c_dep): Use LIB2ADDEHDEP.
+
+ * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
+ * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
+ * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
+ * builtins.c (expand_builtin): Implement it.
+ [BUILT_IN_EH_RETURN]: Update for nr arguments change.
+ * c-common.c (c_common_nodes_and_builtins): Declare it.
+ * c-decl.c (init_decl_processing): Update __builtin_eh_return.
+ * calls.c (libfunc_nothrow): Remove.
+ (emit_library_call_value_1): Don't call it.
+ * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
+ * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
+ (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
+ * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
+ (current_funcdef_number): Globalize.
+ (output_call_frame_info): Emit frame data if an lsda is needed.
+ Generate augmentation for personality routine. Don't play with
+ difference symbols.
+ (dwarf2out_begin_prologue): Record funcdef_number.
+ * dwarf2out.h (current_funcdef_number): Declare.
+ * expr.c (expand_expr): Update for except.h name changes.
+ Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR.
+ * expr.h (LTI_throw, LTI_rethrow): Remove.
+ (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
+ (LTI_eh_rtime_match): Remove.
+ (LTI_unwind_resume, LTI_eh_personality): Add.
+ (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
+ * final.c (final): Don't call check_exception_handler_labels,
+ init_insn_eh_region, or free_insn_eh_region.
+ (final_scan_insn): Always emit debug labels for
+ NOTE_INSN_EH_REGION notes.
+ * flags.h (flag_new_exceptions): Remove.
+ * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
+ (record_active_eh_regions): Remove.
+ (count_basic_blocks): Check all instructions for REG_EH_REGION.
+ Use can_throw_internal.
+ (find_basic_blocks_1): Likewise.
+ (move_stray_eh_region_notes): Remove.
+ (find_label_refs): No eh_return_stub_label.
+ (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX.
+ (make_eh_edge): No eh_nest_info. Update for reachable_handlers
+ changes.
+ (delete_unreachable_blocks): Don't track deleted handlers.
+ (flow_delete_block): Use maybe_remove_eh_handler.
+ (delete_eh_regions): Remove.
+ (merge_blocks): Don't check for eh region match.
+ (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
+ EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
+ (init_propagate_block_info): Disable dead frame store optimization
+ when current_function_calls_eh_return.
+ (dump_bb): Don't print eh_beg, eh_end.
+ * function.c (fixup_var_refs): No catch_clauses.
+ (expand_function_end): Likewise. Call expand_eh_return before
+ the return register use. Call sjlj_emit_function_exit_after.
+ (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
+ * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
+ * ifcvt.c (dead_or_predicable): Remove eh region check.
+ * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
+ Don't check for EH vs parameters.
+ (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
+ (expand_inline_function): Call duplicate_eh_regions.
+ (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
+ (copy_insn_notes): Remap REG_EH_REGION notes.
+ (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
+ * integrate.h (struct inline_remap): Add local_return_label.
+ * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
+ check_exception_handler_labels, nor exception_optimize.
+ (find_cross_jump): No EH region check.
+ * optabs.c (init_optabs): Update for changed eh libfuncs.
+ * rtl.def (RESX): New.
+ * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
+ * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
+ checks. Update for except.h name changes.
+ (expand_cleanups): Likewise.
+ (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
+ * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
+ (compile_file): Call init_eh before init_optabs. Don't
+ output_exception_table here.
+ (rest_of_compilation): Call convert_from_eh_region_ranges,
+ convert_to_eh_region_ranges, output_function_exception_table.
+ Don't emit_eh_context.
+ * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
+ (EXC_PTR_EXPR): New.
+
+ * md.texi (eh_epilogue): Remove.
+ (eh_return): Document.
+ * tm.texi (EH_RETURN_DATA_REGNO): Document.
+ (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
+
+ * eh-common.h: Remove file.
+ * frame-dwarf2.c, frame.c, frame.h: Remove files.
+ * libgcc2.c (L_eh): Remove.
+
+ * unwind-dw2-fde.c: New file, largely copied from frame.c.
+ * unwind-dw2-fde.h: New file.
+ * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
+ * unwind-sjlj.c, unwind.h, unwind.inc: New files.
+ * libgcc-std.ver: Update for eh symbols.
+
+2001-03-27 Richard Henderson <rth@redhat.com>
+
+ * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
+ reduce false positives.
+ (regmove_optimize): Disable if flag_non_call_exceptions.
+
+ * stmt.c (expand_return): Remove always true predicate.
+ (expand_decl_cleanup_no_eh): Remove dead code.
+
+ * sched-deps.c (sched_analyze_insn): Consolidate scheduling
+ barrier code. Add a scheduling barrier if a non-call insn
+ can throw internally.
+
+ * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
+ Auto-inc addresses trap only if their base register does.
+
+ * except.c (can_throw_internal): Rename from can_throw.
+ * except.h, resource.c: Update references.
+
+ * integrate.c (copy_insn_list): Use returnjump_p.
+ (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
+
+ * function.h (struct function): Move all boolean valued fields
+ to single bit fields at the end of the struct.
+
+ * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
+ jump.c, toplev.c:
+ Rename asynchronous_exceptions to flag_non_call_exceptions.
+
+ * gthr-single.h (UNUSED): New. Distinguish between how C
+ and C++ mark unused function arguments. Use throughout.
+
+ * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
+ value to target configuration header.
+ * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
+ * config.in, configure: Rebuild.
+ * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on
+ configuration and target defines.
+ (exceptions_via_longjmp): Remove.
+ * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
+ Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
+
+ * except.h (flag_non_call_exceptions): Move ...
+ * flags.h: ... here.
+
+ * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
+ exceptions, put the note on the trapping instruction.
+
+ * flags.h (flag_new_exceptions): Remove.
+ * toplev.c: Don't set it.
+ * final.c: Don't check it.
+ * except.c: Provide stub definition.
+
+ * flow.c (tidy_fallthru_edges): Don't combine complex edges.
+ (calculate_global_regs_live): Kill call-clobbered registers
+ across exception edges.
+ * reg-stack.c (convert_regs_1): Kill the entire target stack
+ across non-call exception edges.
+
+ * flow.c (cleanup_cfg): Take no argument.
+ * output.h, sibcall.c, toplev.c: Update all calls.
+
+2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * configure.in: Don't check for bcopy.
+ * configure, config.in: Regenerate.
+
+ * system.h: Don't define or prototype bcopy, instead poison it.
+
+2001-03-27 Richard Henderson <rth@redhat.com>
+
+ * function.c (expand_function_start): Set DECL_REGISTER on
+ a pseudo used for DECL_RESULT.
+
+ * rtl.h (LCT_NORETURN): New.
+ * calls.c (emit_library_call_value_1): Handle it.
+
+2001-03-27 Stan Shebs <shebs@apple.com>
+
+ * objc/objc-act.c (objc_init): Use dump_base_name.
+ (gen_declaration): Clear the buffer arg.
+ (gen_declaration_1): New function, body of gen_declaration.
+ (adorn_decl): Call gen_declaration_1 instead of gen_declaration.
+ (gen_method_decl): Ditto, plus always clear buffer arg.
+ (error_with_ivar): Simplify.
+ (warn_with_method): Ditto.
+ (build_message_expr): Don't clear buffers.
+ (dump_interface): Ditto.
+ (objc_debug): Ditto.
+ (build_keyword_selector): Clear the buffer by only zeroing
+ the first element.
+ (objc_implementation_context): Declare.
+ (start_class): Warn about missing @end.
+ (finish_objc): Ditto.
+
+2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
+
+ * reload1.c (eliminate_regs): Don't abort on MEM USEs.
+
+2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * Makefile.in (SYSTEM_H): Define.
+ Depend on $(SYSTEM_H), not system.h.
+
+ * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h.
+
+2001-03-27 Jim Wilson <wilson@redhat.com>
+
+ * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
+ IA64_UNWIND_EMIT.
+ * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
+ (process_epilogue): New static function.
+ (process_set): Call process_epilogue instead of emitting .restore
+ directly.
+ (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
+
+ * flow.c (struct reg_cond_life_info): New fields orig_condition
+ and stores.
+ (init_propagate_block_info): Set new fields.
+ (mark_regno_cond_dead): Set and use new fields.
+ (flush_reg_cond_reg_1): Likewise.
+ (and_reg_cond, case AND): Check for redundant AND conditions.
+ (mark_used_reg): Delete unnecessary clears before freeing splay trees.
+ Set new fields.
+
+2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cppmacro.c (stringify_arg): Null terminate strings.
+
+2001-03-27 Zack Weinberg <zackw@stanford.edu>
+
+ * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h
+ inclusion style. xm-m68hc11.h no longer exists.
+ * config/m68hc11/xm-m68hc11.h: Delete file.
+ * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style.
+
+ * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style.
+ Don't define GCC_VERSION, N_, or PARAMS; don't include
+ gansidecl.h or stdio.h. Define inhibit_libc here.
+ Make code conditioned on #if GCC_VERSION > 2095 unconditional.
+ Delete code conditioned on #if GCC_VERSION == 2095.
+
+ * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
+ Make code conditioned on #if GCC_VERSION > 2095 unconditional.
+ Delete code conditioned on #if GCC_VERSION == 2095.
+
+2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * system.h: Include symcat.h.
+ (STRINGIFY): Don't define.
+
+ * configure.in: Adjust comment.
+
+ * builtins.c: Use STRINGX, not STRINGIFY.
+ * gencheck.c: Likewise.
+ * gengenrtl.c: Likewise.
+ * protoize.c: Likewise.
+
+ * cpplex.c: Don't include symcat.h.
+ * cpplib.c: Likewise.
+
+ * gansidecl.h (HAVE_STRINGIZE): Don't define.
+
+2001-03-27 Alan Modra <alan@linuxcare.com.au>
+
+ * c-typeck.c (digest_init): Fold init expression.
+
+2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy.
+
+2001-03-27 Alan Modra <alan@linuxcare.com.au>
+
+ * except.c (eh_regs): Save results of build_pointer_type to a temp
+ as FUNCTION_VALUE macro may evaluate its args multiple times.
+
+2001-03-26 Mark Mitchell <mark@codesourcery.com>
+
+ * c-common.h (DECL_NUM_STMTS): New macro.
+ * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
+ DECL_FRAME_SIZE.
+ (pushdecl): Likewise.
+ * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
+ * integrate.c (expand_inline_function): Don't check
+ DECL_FRAME_SIZE.
+ * print-tree.c (print_node): Don't print it.
+ * toplev.c (rest_of_compilation): Don't try to inline when
+ flag_no_inline is on.
+ * tree.h (DECL_FRAME_SIZE): Remove.
+ (tree_decl): Adjust accordingly.
+
+2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * combine.c (try_combine): Use memcpy, not bcopy.
+
+ * genattrtab.c (expand_units): Likewise.
+
+Mon Mar 26 15:55:08 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * i386.md (push mem DI peep2): New.
+ (mov 0, mov -1 peep2): Handle 64bit.
+ (lea to arithmetics peep2): Handle 64bit leas.
+ (rsp arithmetics to push/pop peep2s): New.
+
+ * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
+
+Mon Mar 26 14:35:18 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * i386.c (struct machine_function): Add save_varrargs_registers.
+ (ix86_save_varrargs_registers): New macro.
+ (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
+ (ix86_expand_prologue): Likewise.
+ (ix86_emit_epilogue_esp_adjustement): Likewise.
+ (ix86_expand_epilogue): Likewise.
+ * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
+ (pro_epilogue_adjust_stack_1): New insn.
+ (pro_epilogue_adjust_stack_rex64): Likewise.
+ * i386.h (MASK_NO_RED_ZONE): New constant.
+ (TARGET_RED_ZONE): New macro.
+ (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
+ (RED_ZONE_SIZE): New constant.
+ (RED_ZONE_RESERVE): New constant.
+
+2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * toplev.c (set_float_handler): Use memcpy, not bcopy.
+
+2001-03-25 Kazu Hirata <kazu@hxi.com>
+
+ * config/h8300/h8300.md (umodqi3): Output a tab instead of a
+ space.
+ (modqi3): Likewise.
+ (umodhi3): Likewise.
+ (modhi3): Likewise.
+
+2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * mkconfig.sh (DEFINES): Handle entries with '='.
+
+ * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
+ Set xm_defines to MACRO=value instead.
+
+ * i370/xm-mvs.h: Delete.
+
+ * ns32k/xm-pc532-min.h: Likewise.
+
+Sun Mar 25 15:01:40 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
+ shiftdi_operand;
+ use ix86_expand_binary_operator
+ (?sh??i_?): Disable for 64bit.
+ * i386.h (PREDICATE_CODES): Add shiftdi_operand.
+ * i386.c (shiftdi_operand): New predicate.
+
+ * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
+ ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
+ ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
+ ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
+ ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
+ lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
+ lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
+ rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
+ rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
+ rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
+ (rotldi3, rotrdi3): New expanders.
+
+Sun Mar 25 14:25:33 CEST 2001 Jan Hubicka <jh@suse.cz>
+
+ * i386.md (movstrsi): Move offline.
+ (movstrdi): New.
+ (strmovdi_rex64): New.
+ (strmov?i): Accept 64bit.
+ (strmov?i_rex64): New.
+ (strmov?i_rex_1): New.
+ (strmov?i_1): Disable for 64bit.
+ (rep_mov?i_rex64): New.
+ (rep_mov?i): Disable for 64bit.
+ (clrstrsi): Move offline.
+ (strset?i_rex64): New.
+ (strset?i: Accept 64bit.
+ (rep_stos?i): Disable for 64bit.
+ (rep_stos?i_rex64): New.
+ (strset?i_rex_1): New.
+ (strset?i_1): Disable for 64bit.
+ (cmpstrsi): Accept 64bit.
+ (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
+ (cmpstrqi_nz_rex_1): New.
+ (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
+ (strlensi): Move offline.
+ (strlendi): New.
+ (strlenqi_1): Disable for 64bit; fix constraints.
+ (strlenqi_rex_1): New.
+ * i386.c (ix86_adjust_counter): New static function.
+ (ix86_zero_extend_to_Pmode): Likewise.
+ (ix86_expand_aligntest): Likweise.
+ (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
+ (ix86_expand_movstr): New global function.
+ (ix86_expand_clrstr): New global function.
+ (ix86_expand_strlen): New global function.
+ * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
+ ix86_expand_strlen): Declare.
+ (ix86_expand_strlensi_unroll_1): Delete.
+
+Sat Mar 24 23:15:19 CET 2001 Jan Hubicka <jh@suse.cz>
+
+ * i386.md (cmpdi): Fix operand predicates.
+ (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
+ cmpdi_1_insn_rex64): New patterns.
+ (adddi3): Turn to expander.
+ (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
+ (addsi3_carry_zext): New pattern.
+ (adddi_?_rex64): New patterns and splitters.
+ (addsi_?_zext): New patterns.
+ (subsi3_carry_zext): New pattern.
+ (subdi_?_rex64): New patterns and splitters.
+ (iorsi_?_zext): New patterns.
+ (iordi_?_rex64): New patterns and splitters.
+ (iorsi_?_zext): New patterns.
+ (iorsi_?_zext_imm): New patterns.
+ (xorsi_?_zext): New patterns.
+ (xordi_?_rex64): New patterns and splitters.
+ (xorsi_?_zext): New patterns.
+ (negdi*): New patterns.
+ (one_cmpldi*): Likewise.
+ (one_cmplsi*_zext, negsi*_zext): Likewise.
+ (testqi_ext_3_rex64): New pattern.
+
+Sat Mar 24 21:13:28 CET 2001 Jan Hubicka <jh@suse.cz>
+
+ * i386-protos.h (ix86_split_long_move): Return void.
+ * i386.c (ix86_split_to_parts): Handle 64bit target.
+ (ix86_split_long_move): Likewise.
+ * i386.md (all calls to ix86_split_long_move): Update.
+
+2001-03-23 Richard Henderson <rth@redhat.com>
+
+ * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
+ to avoid shadowing arguments.
+
+2001-03-23 Jakub Jelinek <jakub@redhat.com>
+
+ * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
+ to variable names where DECL_NAME is different from
+ DECL_ASSEMBLER_NAME.
+
+2001-03-23 Jim Wilson <wilson@redhat.com>
+
+ * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
+ (assemble_alias): Call make_decl_rtl.
+
+Fri Mar 23 16:59:08 2001 J"orn Rennecke <amylaar@redhat.com>
+
+ * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
+
+2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
+
+ * extend.texi: Document the "java_interface" attribute.
+
+2001-03-22 Zack Weinberg <zackw@stanford.edu>
+
+ * mkconfig.sh: Use a subshell with redirected stdout,
+ instead of closing stdout and confusing commands that run
+ afterward. Throw away output of cmp.
+
+2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
+
+ * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
+
+Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz>
+
+ * i386.md (zero_extendsidi2_32): Break out from ...
+ (zero_extendsidi2): ... here ; turn to expander.
+ (zero_extendsidi2_rex64): New.
+ (extendsidi2_32): Break out from ...
+ (extendsidi2): ... here ; turn to expander.
+ (extendsidi2_rex64): New.
+ (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
+ (trunc?f?f splitters): Add 64bit versions.
+
+Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz>
+
+ * i386.md (pushsi, pushsi2_prologue): Disable.
+ (pushsi2_rex64): New.
+ (movabs?i_1_rex64, movabs?i_2_rex64): New.
+ (movqi_ext_1): Disable for 64bit.
+ (movqi_ext_1_rex64): New.
+ (pushdi2_rex64): New pattern, peep2s and splitter.
+ (pushdi2_prologue_rex64): New pattern.
+ (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
+ Likewise.
+ (movdi splitters): Disable for 64bit.
+ (movdi_1_rex64): New pattern, peep2s and splitters.
+ (swapdi): New pattern.
+ (pushsf): Disable for 64bit.
+ (pushsf_rex64): New pattern and splitter.
+ (pushdf_nointeger): Disable for 64bit.
+ (pushdf_integer): Handle the 64bit case.
+ (pushtf): Likewise; update splitters.
+
+2001-03-22 Richard Henderson <rth@redhat.com>
+
+ * mkconfig.sh: Include insn-flags.h.
+ * Makefile.in (CONFIG_H): Include insn-flags.h.
+ (lots of objects): Remove insn-codes.h and insn-flags.h.
+
+ * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
+ integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
+ regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
+ avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
+ dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
+ i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
+ m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
+ mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
+ pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
+ v850/v850.c, vax/vax.c:
+ Don't include insn-flags.h.
+
+ * diagnostic.c, expr.h, reload.c, toplev.c:
+ Don't include insn-codes.h.
+
+ * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
+ final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
+ c4x/c4x.c, i960/i960.c, mips/mips.c:
+ Don't include insn-codes.h or insn-flags.h.
+
+ * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
+ or insn-flags.h in the generated code.
+ * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
+ (main): Forward declare struct rtx_def.
+
+2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * invoke.texi (-ffast-math): Remove duplicate line about
+ __FAST_MATH__.
+
+ * gcc.texi: Remove more obsolete documentation of bugs and
+ installation problems.
+
+2001-03-21 Kazu Hirata <kazu@hxi.com>
+
+ * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
+ into two parts.
+
+2001-03-20 Jason Merrill <jason@redhat.com>
+
+ * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
+ not '.' or '$'.
+ * tree.c (FILE_FUNCTION_FORMAT): Likewise.
+ * varasm.c (CHKR_PREFIX): Likewise.
+
+Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * gcse.c (hash_scan_set): An expression is not anticipatible if it
+ is part of a multi-SET insn.
+
+ * cse.c (find_comparison_args): Remove previous change.
+ * ifcvt.c (noce_process_if_block): When moving an insn, remove any
+ REG_EQUAL notes.
+
+ * config/i386/i386.md (conditional_trap): Remove warning.
+
+ * recog.c (push_operand): Fix error in last change that caused
+ undefined symbol on many targets.
+
+ * sdbout.c: #include ggc.h.
+ (sdbout_init): Move to end of file.
+ Call ggc_add_tree_root for anonymous_types.
+ (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
+ (sdbout_one_type): Use DECL_NAME for field name.
+ * Makefile.in (sdbout.o): Show includes ggc.h.
+
+Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
+
+ * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
+ (override_options): Use properlimits for preferred_stack_boundary.
+ (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
+ on x86_64.
+ (ext_register_operand): Accept DImode.
+ (load_pic_register): Abort on 64bit.
+ (gen_push): Use Pmode instead of SImode.
+ (ix86_save_reg): Pic reg is never used on 64bit.
+ (ix86_expand_prologue): Likewise.
+ (ix86_emit_save_regs): Use Pmode instead of SImode.
+ (legitimate_address_p): Check displacement for 64bit.
+ (print_operand): Avoid outputting of (%rip) on 64bit.
+ (print_operand_address): Output (%rip) where possible.
+ (split_di): Abort on 64bit registers.
+ (ix86_expand_branch): DImode comparison is simple for x86_64.
+ (memory_address_length): Recognize memory addresses formed using
+ PRE/POST modify.
+ (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
+ for x86_64.
+ * i386.h (TARGET_USE_SAHF): Disable for 64bit.
+
+Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
+
+ * recog.c (push_operand): Recognize new format of push instructions.
+
+Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
+
+ * i386.md (pushqi1): New.
+ * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
+ x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
+ x86_64_immediate_operand, x86_64_immediate_operand,
+ x86_64_zext_immediate_operand): Declare.
+ * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
+ x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
+ x86_64_immediate_operand, x86_64_immediate_operand,
+ x86_64_zext_immediate_operand): define.
+ * i386.h (PREDICATE_CODES): Add new predicates.
+
+Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
+
+ * i386.md (pophi1, popqi1, pushqi1): Remove.
+
+ * expr.c (emit_single_push_insn): New function.
+ (move_by_pieces): Accept NULL as destination for push instructions.
+ (gen_push_operand): Kill.
+ (emit_push_insn): Pass NULL when pushing; avoid updating of
+ stack_pointer_delta.
+ * expr.h (gen_push_operand): Kill.
+
+Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * rtl.texi (COMPARE): Clarify documentation and reference section
+ on comparisons.
+
+2001-03-20 Stan Shebs <shebs@apple.com>
+
+ * objc/objc-act.c (get_static_reference): Use NULL_TREE.
+ (get_object_reference): Ditto.
+ (error_with_ivar): Use error_with_file_and_line.
+ (warn_with_method): Use warning_with_file_and_line.
+
+2001-03-20 Tom Tromey <tromey@redhat.com>
+
+ * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
+
+2001-03-20 Mark Mitchell <mark@codesourcery.com>
+
+ * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
+ variables that are TREE_PUBLIC, even if not TREE_STATIC.
+
+2001-03-20 DJ Delorie <dj@redhat.com>
+
+ * Makefile.in (install-libgcc): Pass complete list of variables.
+ (install-multilib): Ditto.
+
+2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
+
+ * config/i386/cygwin.h: Declare ctor_section, dtor_section
+ drectve_section, switch_to_section.
+
+ * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
+ i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
+ i386_pe_mark_dllimport.
+
+2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
+
+ * config/i386/cygwin.h: Include <stdio.h> Declare and constify
+ functions i386_pe_*.
+
+ * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
+ i386_pe_* functions with char * arguments.
+
+2001-03-20 Alexandre Oliva <aoliva@redhat.com>
+
+ * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
+ and store.
+ (movsi_ie): Introduce fpul store.
+
+2001-03-20 Alan Modra <alan@linuxcare.com.au>
+
+ * Makefile.in (OBJS): Remove hashtab.o.
+
+2001-03-19 Stan Shebs <shebs@apple.com>
+
+ * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
+ * c-lang.c (maybe_objc_method_name): Ditto.
+ * c-tree.h (maybe_objc_method_name): Remove decl.
+
+2001-03-19 Tom Tromey <tromey@redhat.com>
+
+ * gcc.c (init_gcc_specs): Fix comment.
+
+2001-03-19 Mark Mitchell <mark@codesourcery.com>
+
+ Compute DECL_ASSEMBLER_NAME lazily.
+ * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
+ (DECL_ASSEMBLER_NAME_SET_P): New macro.
+ (SET_DECL_ASSEMBLER_NAME): Likewise.
+ (COPY_DECL_ASSEMBLER_NAME): Likewise.
+ (set_decl_assembler_name): Declare.
+ (lang_set_decl_assembler_name): Likewise.
+ * tree.c (lang_set_decl_assembler_name): New variab.e
+ (set_decl_assembler_name): New function.
+ (init_obstacks): Set lang_set_decl_assembler_name.
+ (build_decl): Don't set DECL_ASSEMBLER_NAME.
+ * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
+ COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
+ where it's not necessary.
+ (builtin_function): Likewise.
+ (finish_decl): Likewise.
+ * dbxout.c (dbxout_type_methods): Likewise.
+ * ggc-common.c (ggc_mark_trees): Likewise.
+ * profile.c (output_func_start_profiler): Likewise.
+ * varasm.c (make_decl_rtl): Likewise.
+
+ * cse.c (find_comparison_args): Update documentation. Fix
+ mishandling of COMPARE operations.
+
+ * tree.def (ABS_EXPR): Add documentation.
+ * fold-const.c (fold): Improve folding of ABS_EXPRs.
+
+2001-03-19 Zack Weinberg <zackw@stanford.edu>
+
+ * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
+
+2001-03-19 Jakub Jelinek <jakub@redhat.com>
+
+ * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
+ Remove ia32 linux PIC kludge and move it...
+ * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
+
+Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
+
+ * i386.md (absdf2 expander): Fix 64bit case.
+
+2001-03-19 Brad Lucier <lucier@math.purdue.edu>
+
+ * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
+
+2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
+
+ * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
+
+2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
+
+ * README.X11: Remove obsolete file.
+
+2001-03-18 Anthony Green <green@redhat.com>
+
+ * config/pj/pj.h: Remove some trailing commas.
+ (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
+
+2001-03-18 Richard Henderson <rth@redhat.com>
+
+ * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
+ * calls.c: ... here.
+ * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
+ defaults for them here.
+
+2001-03-17 Anthony Green <green@redhat.com>
+
+ * config/pj/lib1funcs.S: Fix broken comment.
+ * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
+ labels with '.'.
+
+2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * gcc.texi: Remove obsolete information relating to build and
+ installation problems with enquire or the Pyramid C compiler.
+
+2001-03-17 Richard Henderson <rth@redhat.com>
+
+ * dwarf2out.c (queue_reg_save): New.
+ (flush_queued_reg_saves, clobbers_queued_reg_save): New.
+ (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
+ dwarf2out_reg_save.
+ (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
+ (cfa, cfa_store, cfa_temp): Make static.
+ * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
+
+2001-03-17 Richard Henderson <rth@redhat.com>
+
+ * integrate.h (struct inline_remap): Add local_return_label.
+ * integrate.c (expand_inline_function): Initialize it and emit
+ it after copy_insn_notes.
+ (copy_insn_list): Don't store local_return_label here.
+ (copy_insn_notes): New function split out from copy_insn_list.
+
+2001-03-17 Richard Henderson <rth@redhat.com>
+
+ * dwarf2out.c (lookup_filename): Emit .file if the assembler
+ is generating .debug_line.
+ (dwarf2out_init): Add main_input_filename to the file table first.
+ * configure.in (as_dwarf2_debug_line): Test with file number 1
+ instead of file number 0.
+
+Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * combine.c (undobuf): Remove field previous_undos; all refs deleted.
+ (gen_rtx_combine): Deleted; all references changed as appropriate.
+ (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
+
+ * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
+
+2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
+
+ * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
+ variable.
+
+2001-03-16 Jim Wilson <wilson@redhat.com>
+
+ * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
+ then set it to LOC_REG (79) instead of aborting.
+
+2001-03-16 Phil Edwards <pme@sources.redhat.com>
+
+ * gccbug.in: Remove high priority.
+
+2001-03-16 Richard Henerson <rth@redhat.com>
+
+ * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
+ output with a space instead of deleting it.
+ * configure: Regenerate.
+
+2001-03-16 Zack Weinberg <zackw@stanford.edu>
+
+ * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
+ handles the gory details of converting an object file into
+ something that's safe to grep.
+ (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
+ gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
+ newlines at either end of the string we're looking for.
+ Make 'checking ...' message less stilted.
+ (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
+ ARM in-memory layout and its hypothetical converse. Don't
+ define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
+ HOST_WORDS_BIG_ENDIAN.
+
+ * configure.in: Adjust for renamed macro. Move
+ gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
+ * configure, config.in: Regenerate.
+
+2001-03-16 Laurynas Biveinis <lauras@softhome.net>
+
+ * fixinc/Makefile.in: Set SHELL.
+
+2001-03-16 Laurynas Biveinis <lauras@softhome.net>
+
+ * fixinc/fixincl.c (fix_with_system): Quote file names before
+ passing them to shell.
+
+2001-03-16 Laurynas Biveinis <lauras@softhome.net>
+
+ * Makefile.in: Use fix-header$(build_exeext) instead
+ of fix-header.
+
+2001-03-16 Richard Henderson <rth@redhat.com>
+
+ * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
+ (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
+ (size_of_line_prolog): Remove.
+ (output_line_info): Compute prologue size via label difference.
+ (lookup_filename): Return "unspecified" for <internal> and <built-in>.
+
+ * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
+ assembler error when redefining file numbers.
+ * config.in, configure: Rebuild.
+
+ * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
+ (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
+ (dw2_asm_output_delta_uleb128): Likewise.
+ (dw2_asm_output_delta_sleb128): Similarly.
+ (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
+
+2001-03-16 Michael Meissner <meissner@redhat.com>
+
+ * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
+ warnings.
+ (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
+ warnings.
+ (BITMASK_LOWER16): Replacement for 0x0000ffff.
+
+ * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
+ instead of 0xffff0000/0x0000ffff to avoid warnings about constants
+ being unsigned in ISO C and signed in traditional.
+ (expand_prologue): Ditto.
+ (RA_MASK): Use BITMASK_HIGH to avoid warnings.
+
+ * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
+ warnings.
+ (divsi3,divdi3): Ditto.
+ (modsi3,moddi3): Ditto.
+ (fix_truncdfsi2,fix_truncdfdi2): Ditto.
+ (fix_truncsfsi2,fix_truncsfdi2): Ditto.
+ (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
+ warnings.
+
+Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
+
+ * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
+ SSE based conditional moves on LTGT/UNEQ conditions;
+ Canonicalize EQ to NE.
+ * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
+ (sse_mov?fcc_ne): New.
+
+ * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
+
+2001-03-16 Alexandre Oliva <aoliva@redhat.com>
+
+ * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
+ register may be dead.
+
+2001-03-16 Brad Lucier <lucier@math.purdue.edu>
+
+ * Makefile.in (hash.o): Depend on CONFIG_H.
+
+2001-03-15 Mark Mitchell <mark@codesourcery.com>
+
+ * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
+
+2001-03-15 Richard Henderson <rth@redhat.com>
+
+ * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
+ (ASM_OUTPUT_DWARF_PCREL): New.
+ * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
+
+2001-03-16 Alexandre Oliva <aoliva@redhat.com>
+
+ * cppfiles.c (stack_include_file): Use MAX of sysp.
+
+2001-03-15 Steve Ellcey <sje@cup.hp.com>
+
+ * config.gcc (ia64*-*-hpux*): New case.
+ * config/ia64/hpux.h: New file for HP-UX support.
+ * config/ia64/t-hpux: New file for HP-UX support.
+
+2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
+
+ * fixinc/inclhack.def (irix_stdio_va_list): New.
+ * fixinc/fixincl.x: Rebuilt.
+
+2001-03-15 Richard Henderson <rth@redhat.com>
+
+ * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
+ if provided by the target.
+ (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
+ (dw2_asm_output_addr): New.
+ * dwarf2asm.h (dw2_asm_output_addr): Declare.
+ * dwarf2out.c (output_cfi): Use it for program addresses.
+ (output_call_frame_info, output_die): Likewise.
+ (output_aranges, output_line_info): Likewise.
+
+2001-03-15 Bruce Korb <bkorb@gnu.org>
+
+ * gcc.c(main): make more rigorous
+ * collect2.c(main): guard against ignoring SIGCHLD
+ * protoize.c(main): ditto
+ * gcc/fixinc/fixincl.c(initialize): ditto
+
+2001-03-15 Mark Mitchell <mark@codesourcery.com>
+
+ * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
+ (sdbout_parms): Likewise.
+
+Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
+
+ * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
+ "widen" a destination that is already wider than a word. Also do
+ not widen if LOAD_EXTEND_OP is NIL for the given mode.
+
+2001-03-15 Bernd Schmidt <bernds@redhat.com>
+
+ * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
+
+Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
+
+ * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
+
+Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
+
+ * i960.h (i960_maxbitalignment,
+ i960_last_maxbitalignment): Declare.
+ * i960.c (i960_maxbitalignment,
+ i960_last_maxbitalignment): Make global.
+ (process_pragma): Delete.
+ (i960_pr_align, i960_pr_noalign): Move from here ...
+ * i960-c.c: ... to this new file.
+ * t-960bare (i960-c.o): New rule.
+ * t-vxworks960 (i960-c.o): Likewise.
+ * config.gcc (i960-*-*): Define c_target_objs and
+ cxx_target_objs.
+
+2001-03-15 Bernd Schmidt <bernds@redhat.com>
+
+ * cselib.c (hash_rtx): For REG and MEM, just use value of expression
+ without adding in rtx code and mode.
+
+ * alias.c (init_alias_analysis): Don't use any rtx whose value
+ varies as a known value.
+ Delete a superfluous test.
+
+ * config/ia64/ia64.c (maybe_rotate): New function, broken out of
+ ia64_sched_reorder.
+ (ia64_sched_reorder): Call maybe_rotate; also rotate after
+ scheduling a stop bit.
+ (ia64_emit_nops): Correctly handle ASMs.
+
+2001-03-15 Mark Mitchell <mark@codesourcery.com>
+
+ * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
+
+2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cpp.texi: Update documentation for -include and -imacros.
+ * cppfiles.c (struct include_file): Remove "defined" memeber.
+ (find_or_create_entry): Make a copy of the file name, and
+ simplify it.
+ (open_file): Update to ensure we use the simplified filename.
+ (stack_include_file): Don't set search_from.
+ (cpp_included): Don't simplify the path name here.
+ (find_include_file): New prototype. Call search_from to
+ get the start of the "" include chain. Don't simplify the
+ filenames here.
+ (_cpp_execute_include): New prototype. Move diagnostics to
+ do_include_common. Update.
+ (_cpp_pop_file_buffer): Don't set defined.
+ (search_from): New prototype. Use the preprocessor's cwd
+ for files included from the command line.
+ (read_name_map): Don't simplify the pathname here.
+ * cpphash.h (enum include_type): New.
+ (struct buffer): Delete search from. New search_cached.
+ (_cpp_execute_include): Update prototype.
+ * cppinit.c (do_includes): Use _cpp_execute_include.
+ * cpplib.c (do_include_common): New function.
+ (do_include, do_include_next, do_import): Use it.
+
+2001-03-14 Mark Mitchell <mark@codesourcery.com>
+
+ * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
+ contents of the RTL, to determine the name of the object.
+
+2001-03-14 Mark Mitchell <mark@codesourcery.com>
+
+ * tree.h (DECL_RTL): Allocate RTL lazily.
+ (SET_DECL_RTL): New macro.
+ (DECL_RTL_SET_P): Likewise.
+ (COPY_DECL_RTL): Likewise.
+ (DECL_RTL_IF_SET): Likewise.
+ * varasm.c (make_decl_rtl): Add assertions about the kind of
+ declaration we are processing.
+ * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
+ (start_decl): Likewise.
+ (finish_decl): Likewise.
+ * c-semantics.c (emit_local_var): Likewise.
+ * calls.c (expand_call): Likewise.
+ * dbxout.c (dbxout_symbol): Likewise.
+ * emit-rtl.c (unshare_all_rtl): Likewise.
+ (unshare_all_decls): Likewise.
+ (reset_used_decls): Likewise.
+ * expr.c (store_constructor): Likewise.
+ (safe_from_p): Likewise.
+ (expand_expr): Likewise.
+ * function.c (put_var_into_stack): Likewise.
+ (instantiate_decls_1): Likewise.
+ (assign_parms): Likewise.
+ (expand_function_start): Likewise.
+ (expand_function_end): Likewise.
+ * ggc-common.c (gcc_mark_trees): Likewise.
+ * integrate.c (function_cannot_inline_p): Likewise.
+ (copy_decl_for_inlining): Likewise.
+ (expand_inline_function): Likewise.
+ (integrate_parm_decls): Likewise.
+ (integrate_decl_tree): Likewise.
+ * print-tree.c (print_node): Likewise.
+ * reg-stack.c (stack_result): Likewise.
+ * stmt.c (label_rtx): Likewise.
+ (expand_return): Likewise.
+ (expand_decl): Likewise.
+ (expand_decl_cleanup): Likewise.
+ (expand_anon_union_decl): Likewise.
+ * toplev.c (check_global_declarations): Likewise.
+ (rest_of_decl_compilation): Likewise.
+ * tree.c (simple_cst_equal): Likewise.
+ * objc/objc-act.c (generate_static_references): Likewise.
+
+2001-03-14 Zack Weinberg <zackw@stanford.edu>
+
+ * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
+ gcc_AC_C_FLOAT_FORMAT): New macros.
+ * configure.in: Add AC_PROG_CPP after CC tests;
+ gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
+ tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
+ * configure, config.in: Regenerate.
+
+ * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
+ config/arm/xm-arm.h, config/c4x/xm-c4x.h,
+ config/convex/xm-convex.h, config/d30v/xm-d30v.h,
+ config/i370/xm-linux.h, config/i370/xm-oe.h,
+ config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
+ config/m68k/xm-m68k.h, config/mips/xm-mips.h,
+ config/pa/xm-linux.h, config/pa/xm-pa.h,
+ config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
+ config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
+ config/sparc/xm-sparc.h, config/vax/xm-vax.h,
+ config/we32k/xm-we32k.h: Delete.
+
+ * config/i370/xm-mvs.h, config/m88k/m88k.h,
+ config/romp/xm-romp.h, config/rs6000/xm-beos.h,
+ config/vax/xm-vms.h: Don't define any of:
+ HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
+
+ * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
+
+ * config.gcc: Remove references to deleted files.
+ (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
+ FATAL_EXIT_CODE, which is the same between oe and mvs).
+
+2001-03-14 DJ Delorie <dj@redhat.com>
+ Vladimir Makarov <vmakarov@redhat.com>
+
+ * config/i960/i960.c (i960_function_prologue): Compute size of
+ frame according to number of registers actually saved there.
+
+2001-03-14 Richard Henderson <rth@redhat.com>
+
+ * expr.c (emit_move_insn_1): Fix else if around #endif.
+
+Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
+ Vojtech Pavlik
+
+ * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
+ constraints.
+
+Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
+
+ * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
+ (override_options): Parse cmodel string.
+ (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
+ * i386.h (TARGET_OPTIONS): Add "cmodel".
+ (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
+ (enum cmodel): New.
+ (ix86_cmodel_string, ix86_cmodel): Declare.
+
+Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
+
+ Spot by Matt Kraai:
+ * i386.h (GENERAL_REG_P): Add missing REG_P.
+
+2001-03-14 Laurynas Biveinis <lauras@softhome.net>
+
+ * configure.in: Use $gcc_cv_as instead of $as.
+ * configure: Regenerated.
+
+2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cppfiles.c (stack_include_file): Only increase the include
+ count if we actually process the file properly, as opposed
+ to treating it as length zero. Only call read_include_file
+ if not DO_NOT_REREAD. Handle the -H include file output
+ here.
+ (read_include_file): Remove now redundant DO_NOT_REREAD check.
+ (cpp_included, find_include_file): Simplify pathnames after
+ remapping them. If remapping, don't use the remapped file
+ name's buffer as our scratch buffer.
+ (cpp_pop_file_buffer): Replace the multiple include macro
+ only if it isn't yet set.
+ (read_name_map): Simplify remapped names when reading in.
+ (remap_filename): Move code to code path that uses it.
+ (_cpp_simplify_pathname): Return the input pointer.
+ * cpphash.h (_cpp_simplify_pathname): Update prototype.
+
+2001-03-14 Mark Mitchell <mark@codesourcery.com>
+
+ * expr.c (expand_expr): Revove bogus conditional.
+
+Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
+
+ * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
+
+2001-03-14 Jakub Jelinek <jakub@redhat.com>
+
+ * reg-stack.c (stack_result): Unconditionally use
+ FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
+
+Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
+
+ * expr.c (emit_move_insn_1): Split push of complex value when
+ no suitable push instruction exist.
+
+ * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
+ instead of QI_REG_P.
+
+Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * alias.c (handled_component_p, can_address_p): New functions.
+ (get_alias_set): Use them.
+
+2001-03-13 Jim Wilson <wilson@redhat.com>
+
+ * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
+ from 80 in try_locals code.
+ (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
+
+2001-03-13 Zack Weinberg <zackw@stanford.edu>
+
+ * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
+ gcc_AC_C_LONG_LONG): New.
+ * configure.in: Use them. Probe the size of short, int, long,
+ and long long/__int64 if we have them. Move all the AC_C_*
+ checks together, except gcc_AC_C_CHAR_BIT which has to go
+ after AC_CHECK_HEADERS(limits.h).
+ Take hwint.h out of host_xm_file and build_xm_file.
+
+ * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
+ HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
+ and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
+ Move the HOST_WIDEST_INT setup logic here from system.h.
+ Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
+ defined.
+ * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
+ is now handled by hwint.h.
+
+ * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
+ config/c4x/xm-c4x.h, config/i370/xm-oe.h,
+ config/ia64/xm-ia64.h: Don't define any of:
+ HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
+ HOST_BITS_PER_LONGLONG.
+
+ * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
+ config/h8300/xm-h8300.h, config/mips/iris6.h,
+ config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
+ config/sparc/xm-sp64.h: Delete.
+ * config.gcc: Remove references to deleted files.
+
+ * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
+ HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
+ * config/i370/xm-linux.h: Clarify floating-point situation in
+ a comment.
+
+2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cppfiles.c (NO_INCLUDE_PATH): New macro.
+ (find_include_file): Decide here which part of the include
+ chain to start the search. Complain about an empty include
+ chain in all cases apart from an abolsute file name.
+ (_cpp_execute_include): Don't choose the search chain here.
+ Don't call handle_missing_include in the case of an empty
+ include chain.
+ (_cpp_compare_file_date): Don't choose the search chain here.
+ * cpplib.c (do_include_next): Move the in-main-file diagnostic
+ here from _cpp_execute_include. Behave like #include if
+ we're in the main file.
+
+2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * system.h (malloc, realloc, calloc, strdup): Only poison these
+ tokens when IN_GCC is defined.
+
+Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
+
+ * i386.md (abs?f expander): Support SSE case.
+ (abd?f_if): Add new "USE"; add splitters.
+
+2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * cpp.texi (poison): Explain the macro expansion exception.
+
+2001-03-13 Jakub Jelinek <jakub@redhat.com>
+
+ * expr.c (store_expr): Add dont_store_target. If temp is already in
+ target before copying to reg, don't store it into target again.
+
+2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cppinternals.texi: Update for file handling.
+
+2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
+
+ * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
+ 2001-02-24 which broke building the Java library.
+ * function.c (identify_blocks): Likewise.
+ (all_blocks): Likewise.
+ * integrate.c (integrate_decl_tree): Likewise.
+ * print-tree.c (print_node): Likewise.
+ * tree.h (BLOCK_NUMBER): Likewise.
+ (struct tree_block): Likewise.
+
+2001-03-12 David Edelsohn <edelsohn@gnu.org>
+
+ * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
+ __WCHAR_TYPE__ definition.
+ (WCHAR_TYPE_SIZE): #undef before #define.
+
+2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cppfiles.c: Update comments.
+ (destroy_include_file_node): Rename destroy_node.
+ (find_or_create_entry): New function.
+ (open_file, _cpp_fake_include): Use it.
+ (handle_missing_header): New function, broken out of
+ _cpp_execute include. Don't segfault if there is no
+ system or quoted path.
+ (_cpp_execute_include): Use handle_missing_header.
+
+2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
+
+ * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
+ 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
+
+Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * flow.c (insn_dead_p): Don't consider two memrefs equivalent
+ unless anti_dependence says they are.
+ * alias.c (objects_must_conflict): If neither has a type specified,
+ they must conflict.
+
+2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
+ David Billinghurst <David.Billinghurst@riotinto.com>
+
+ * config/mips/iris5.h: Change WCHAR_TYPE to int.
+
+Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
+
+ * i386.md (trunctfdf2_2): Rename missnamed pattern.
+ (*_one_bit): Remove type on the match_operand in attributes.
+
+Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
+
+ * i386.c: Commit forgotten hunk in previous patch.
+ (regclass_map): Add extended registers.
+ (dbx_register_map): Add missing frame register.
+
+Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
+
+ * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
+
+ * i386.md (x86_sahf_1): Disable for 64bit.
+ (popsi*, pophi*): Likewise.
+ (pushqi, pushhi): Likewise.
+ (movdi, pushdi): Likewise.
+ (zero extend DImode splitter): Likewise.
+ (adddi, minusdi splitter): Likewise.
+ (umulsidi): Likewise.
+ (umulsi): New.
+ (mulsidi): Disable for 64bit
+ (lshift:DI/ashift:DI): Disable for 64bit.
+ (loop patterns): Likewise.
+ (call_pop, call_value_pop expanders and patterns): Likewise.
+ (prologue_get_pc): Likewise.
+ (leave): Likewise.
+ (fcmovDI pattern and splitter): Likewise.
+ (movdfcc_1_rex64): New.
+
+Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
+
+ * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
+ (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
+ (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
+ (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
+ (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
+ (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
+ (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
+ (PUSH_ROUNDING): x86_64 rounds to 64bits.
+ (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
+ (REGPARM_MAX): Set to 6 for x86_64.
+ (SSE_REGPARM_MAX): Set to 16 for x86_64.
+ * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
+ registers.
+
+ * (patterns that does use upper halves): Update constraints
+ 'q' to 'Q' and 'r' to 'R'.
+ (cmpqi_ext_1): Disable for 64bit.
+ (cmpqi_ext_3_insn): Likewise.
+ (movqi_extzv_1): Likewsie.
+ (addqi_ext_1): Liekwsie
+ (testqi_ext_1): Liekwsie
+ (andqi_ext_1): Liekwsie
+ (xorqi_ext_1): Liekwsie
+ (cmpqi_ext_1_rex64): New.
+ (cmpqi_ext_3_insn_rex64): Likewise.
+ (movqi_extzv_1_rex64): Likewsie.
+ (addqi_ext_1_rex64): Liekwsie
+ (testqi_ext_1_rex64): Liekwsie
+ (andqi_ext_1_rex64): Liekwsie
+ (xorqi_ext_1_rex64): Liekwsie
+
+2001-03-11 Zack Weinberg <zackw@stanford.edu>
+
+ * configure.in: Move check for unsigned enumerated bitfields
+ to macro in aclocal.m4. Disable it for now.
+ * configure, config.in: Regenerate.
+ * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
+ unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
+ * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
+ kind above its first use.
+
+ * config/xm-interix.h, config/alpha/xm-alpha.h,
+ config/i370/xm-linux.h, config/i386/xm-beos.h,
+ config/i386/xm-mingw32.h, config/mips/xm-mips.h,
+ config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
+ config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
+ Don't define ONLY_INT_FIELDS under any circumstances.
+
+ * config/pa/xm-pa.h: Don't define __BSD_NET2__.
+
+ * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
+ config/sparc/xm-sysv4.h: Delete - now identical with some
+ other xm header.
+ * config.gcc (hppa targets): Replace xm-pahpux.h and
+ xm-papro.h with implicit xm-pa.h.
+ (sparc targets): Replace xm-sysv4.h with implicit or explicit
+ xm-sparc.h.
+
+2001-03-12 Aldy Hernandez <aldyh@redhat.com>
+
+ * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
+ before reload_cse_noop_set_p.
+
+2001-03-11 Zack Weinberg <zackw@stanford.edu>
+
+ * config.gcc: Where xm-host.h used to include another
+ xm-host.h, list the nested header directly in xm_file. Remove
+ references to deleted files. Can now use sparc/xm-sp64.h for
+ sparcv9-*-solaris*.
+
+ * config/xm-linux.h, config/arm/xm-linux.h,
+ config/i386/xm-dos.h, config/i386/xm-gnu.h,
+ config/i386/xm-linux.h, config/i386/xm-openbsd.h,
+ config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
+ config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
+ config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
+ Delete.
+
+ * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
+ * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
+ bother to wrap #undef in #ifdef.
+ * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
+ Don't include xm-linux.h.
+ * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
+
+ * configure.in: Wrap regexps using [] in changequote block.
+ Use expr : not echo | grep. Simplify regexps.
+ * configure: Regenerate.
+
+ 56 xm-files remain, 22 xm-arch.
+
+2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
+ (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
+ (local_index, local_rindex): Delete, use strchr/strrchr instead.
+ (copy_object): Fix format specifier vs argument mismatch.
+
+ * mips-tdump.c: Make local functions static.
+ (rindex): Don't #undef.
+ (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
+ (fatal, fancy_abort): Delete.
+ (read_seek): Avoid signed/unsigned compare.
+
+Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * combine.c (try_combine): Fix error in change to try original
+ register.
+ (gen_rtx_combine): Do same as gen_rtx for now.
+
+2001-03-11 Zack Weinberg <zackw@stanford.edu>
+
+ * configure.in: AC_SUBST xm_defines.
+ * configure: Regenerate.
+ * Makefile.in: Set DEFINES=$(xm_defines) when building
+ tconfig.h.
+
+2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
+ (cpp_included, find_include_file): Update.
+ (_cpp_compare_file_date): Make else unconditional.
+
+2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
+
+ * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
+
+2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
+
+ * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
+ * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
+
+Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
+
+ * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
+ if it's a record type.
+
+Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
+
+ * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
+ mingw includes slightly.
+
+2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
+ #undef token before poisoning it.
+
+2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * alpha.c (check_float_value): Use memcpy, not bcopy.
+
+ * m32r.c (m32r_sched_reorder): Likewise.
+
+ * vax.c (check_float_value): Likewise.
+
+2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * toplev.c (file_name_nondirectory): Remove.
+ * toplev.h: Similarly.
+ * dwarf2out.c (compute_section_prefix): Use lbasename instead
+ of file_name_nondirectory.
+
+Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * mips-tdump.c (read_seek): Call xmalloc, not malloc.
+ * mips-tfile.c: Don't #undef rindex; not used.
+
+Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
+
+ * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
+ (dbx64_register_map): Declare.
+ (RETURN_ADDR_RTX): Fix for 64bit.
+ (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
+ (INCOMING_FRAME_SP_OFFSET): Set to 8.
+ * i386.c (dbx64_register_map): New global array.
+ * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
+ linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
+ for 64bits.
+
+2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cppfiles.c (search_from): Use lbasename.
+ * mkdeps.c (deps_add_default_target): Use lbasename.
+
+2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
+ xcalloc in lieu of malloc, realloc & calloc.
+
+ * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
+
+ * gengenrtl.c (xmalloc): Likewise.
+
+ * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
+ really_call_* memory allocation routines.
+
+ * stmt.c (check_for_full_enumeration_handling): Use
+ really_call_calloc, not calloc.
+
+ * system.h (really_call_malloc, really_call_calloc,
+ really_call_realloc): Define.
+ (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
+
+Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
+
+ * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
+
+2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
+
+ * configure: Rebuilt.
+ * configure.in: Only use `lang_requires' for languages athat are
+ actually enabled.
+
+2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * invoke.texi: Fix typo.
+ * gcc.1: Regenerate.
+
+2001-03-09 Zack Weinberg <zackw@stanford.edu>
+
+ * configure.in: Prune nonexistent files from build_xm_file,
+ xm_file, and host_xm_file lists. Warn unless they're
+ $cpu/xm-$cpu.h.
+ Don't generate *config.h here.
+ AC_SUBST all variables needed to generate *config.h.
+ * configure: Regenerate.
+ * mkconfig.sh: New helper script, from code removed from
+ configure.in.
+ * Makefile.in: Zap all MALLOC variables - no longer used
+ anywhere, and malloc.c doesn't exist.
+ Substitute in variables needed to generate *config.h.
+ Stop lying about the dependencies contained in CONFIG_H and
+ GCONFIG_H.
+ (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
+ (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
+ cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
+ (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
+ $(TM_P_H), etc. as appropriate.
+
+ * config.gcc: Zap references to deleted files.
+ * ggc-none.c: Don't include rtl.h or tm_p.h.
+
+ * config/i386/xm-beos.h, config/i386/xm-dgux.h,
+ config/i386/xm-djgpp.h, config/i386/xm-dos.h,
+ config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
+ config/i386/xm-linux.h, config/i386/xm-linux.h,
+ config/i386/xm-next.h, config/i386/xm-openbsd.h,
+ config/i386/xm-sun.h, config/i386/xm-sysv3.h:
+ Don't include i386/xm-i386.h.
+
+ * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
+ config/i386/xm-i386.h, config/i860/xm-i860.h,
+ config/i960/xm-i960.h, config/mcore/xm-mcore.h,
+ config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
+ config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
+ Delete (empty except comments, #includes of other deleted
+ files, and macros used nowhere).
+
+Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
+
+ * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
+ independent on TARGET_FLAGS.
+
+Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
+
+ * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
+
+ (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
+ extended ones.
+ (CONDITIONAL_REGISTER_USAGE): Set proper values according to
+ TARGET_64BIT.
+ (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
+ LAST_REX_SSE_REG): define.
+ (enum reg_class): Add 'LEGACY_REGS'
+ (REG_CLASS_CONTENTS): Likewise; add extended registers.
+ (SSE_REGNO_P): Recognize extended registers.
+ (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
+ (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
+ (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
+ REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
+ (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
+ REG_OK_FOR_STRREG_P): Remove.
+ (HI_REGISTER_NAMES): Add extended registers.
+ (ADDITIONAL_REGISTER_NAMES): Likewise.
+ (QI_REGISTER_NAMES): Add 8bit extended registers.
+ (DEBUG_REG): Support extended registers.
+ * i386.c (regclass_map): Add extended registers.
+ (dbx_register-map): Likewise.
+ (svr4_dbx_register_map): Likewise.
+ (print_reg): Support extended registers.
+ (print_operand): Support 64bit operands.
+
+Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
+
+ * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
+ (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
+ FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
+ DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
+ (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
+ STACK_BOUNDARY): Set properly for 64bits.
+ (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
+ (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
+ (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
+ (MOVE_MAX): Set to 16.
+ (MOVE_MAX_PIECES): 8 for 64bit.
+ (Pmode): Set to SImode.
+
+Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
+
+ * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
+
+Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
+
+ * i386.h (mask_64bit): New constant.
+ (target_64bit): New macro.
+ (target_options): Add '64'/'32'
+ (target_default): Define.
+ * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
+ isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
+ unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
+
+Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
+
+ * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
+
+Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
+
+ * rtlanal.c (rtx_varies_p): Check operand 0 of a
+ LO_SUM unless for_alias is set.
+
+2001-03-08 Stan Shebs <shebs@apple.com>
+
+ * objc/objc-act.c: Fix old typos in comments, add comments for
+ various functions.
+ (hash_init): Fix file name in error message.
+ (hash_enter): Ditto.
+ (hash_add_attr): Ditto.
+ (continue_class): Ditto.
+
+2001-03-08 Bruce Korb <bkorb@gnu.org>
+
+ gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
+ wait4() can receive the signal.
+
+Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
+
+ * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
+ entities.
+ * fixinc/fixincl.x: Regenerate.
+
+Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
+
+ * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
+ on Tru64 UNIX.
+ * fixinc/fixincl.x: Regenerate.
+
+2001-03-08 Richard Henderson <rth@redhat.com>
+
+ * configure.in (HAVE_AS_LEB128): New assembler check.
+ * configure, config.in: Rebuilt.
+
+Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
+
+ * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
+ TFmode too.
+
+2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
+ references to the MAXPATHLEN macro.
+
+ * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
+ config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
+ the POSIX macro.
+
+ * config/i386/xm-gnu.h, config/xm-gnu.h,
+ config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
+ config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
+ config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
+ and/or unused files.
+
+ * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
+ doing so in various xm-*.h files.
+
+Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
+
+2001-03-08 Alexandre Oliva <aoliva@redhat.com>
+
+ * configure.in (enable_shared): Support per-package shared-library
+ enabling.
+ * configure: Rebuilt.
+
+2001-03-07 David Edelsohn <edelsohn@gnu.org>
+
+ * rs6000.md (cr logic): Add original POWER mnemonic alternative
+ for crnot. Set operands[5] in splitter.
+
+2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * config/i370/xm-mvs.h, config/i370/xm-oe.h,
+ config/i386/xm-beos.h, config/i386/xm-mingw32.h,
+ config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
+ config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
+ config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
+ config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
+ config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
+ to the USG macro.
+
+ * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
+ config/i370/xm-i370.h, config/i386/xm-dgux.h,
+ config/i386/xm-sun.h, config/i386/xm-sysv3.h,
+ config/m68k/xm-tower.h, config/m68k/xm-aux.h,
+ config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
+ config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
+ config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
+ config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
+ config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
+ config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
+ Delete unused and/or empty files.
+
+ * config.gcc: Define USG in xm_defines as appropriate. Define
+ POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
+ macro. Remove deleted xm-* files from $xm_files variable.
+
+2001-03-07 Tom Tromey <tromey@redhat.com>
+
+ * configure: Rebuilt.
+ * configure.in: Allow config-lang.in to set `lang_requires' to list
+ of other required languages.
+
+2001-03-07 Andrew MacLeod <amacleod@redhat.com>
+
+ * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
+ after its emitted.
+ (output_prologue): Use xmalloc not oballoc.
+ (output_epilog): Free a29k_first_epilogue_insn when finished.
+ * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
+
+2001-03-07 Brad Lucier <lucier@math.purdue.edu>
+
+ * builtins.c (expand_builtin_mathfn): Check
+ flag_unsafe_math_optimizations, not flag_fast_math.
+ (expand_builtin): Likewise
+ * combine.c (combine_simplify_rtx): Likewise.
+ (simplify_if_then_else): Likewise.
+ * cse.c (fold_rtx): Likewise.
+ * flags.h: Remove flag_fast_math. Add
+ flag_unsafe_math_optimizations and flag_trapping_math.
+ * fold-const.c (negate_expr): Check
+ flag_unsafe_math_optimizations, not flag_fast_math.
+ (invert_truthvalue): Likewise.
+ (fold): Likewise. Before associating operands, check that
+ code == MULT_EXPR, not code != MULT_EXPR.
+ * ifcvt.c (noce_try_minmax): Check
+ flag_unsafe_math_optimizations, not flag_fast_math.
+ (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
+ * invoke.texi: Document -funsafe-math-optimizations and
+ -fno-trapping-math. Change documentation for -ffast-math.
+ * jump.c (reversed_comparison_code_parts): Likewise.
+ (rtx_equal_for_thread_p): Likewise.
+ * optabs.c (emit_conditional_move): Likewise.
+ * simplify-rtx.c (simplify_binary_operation): Likewise.
+ (simplify_relational_operation): Likewise.
+ (simplify_ternary_operation): Likewise.
+ * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
+ flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
+ Add trapping-math and unsafe-math-optimizations entries to f_options.
+ (set_fast_math_flags): New, sets flags for -ffast-math.
+ (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
+ (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
+ * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
+
+ * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
+ (alpha_emit_conditional_move): Initialize local_fast_math to
+ flag_unsafe_math_optimizations, not flat_fast_math.
+ * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
+ instead of setting flag_fast_math to 1.
+ * config/convex/convex.md: Check flag_unsafe_math_optimizations,
+ not flag_fast_math.
+ * config/i386/i386.c (override_options): Likewise
+ * config/i386/i386.md: Likewise.
+ * config/m68k/m68k.md: Likewise.
+ * config/mips/mips.md: Likewise.
+ * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
+ (rs6000_generate_compare): Likewise.
+
+2001-03-07 Laurynas Biveinis <lauras@softhome.net>
+
+ * Makefile.in: Set RANLIB to @RANLIB@.
+ Remove RANLIB_TEST.
+
+2001-03-07 Laurynas Biveinis <lauras@softhome.net>
+
+ * fixinc/inclhack.def (djgpp_wchar_h): New test.
+ * fixinc/fixincl.x: Regenerated.
+
+2001-03-07 Richard Henderson <rth@redhat.com>
+
+ * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
+
+2001-03-07 Richard Henderson <rth@redhat.com>
+
+ * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
+ of block notes and exception handling notes.
+
+ * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
+ * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
+ (compile_file): ... here.
+
+2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
+
+ * fixinc/gnu-regex.c: Don't include auto-host.h since we get
+ config.h now. Include libiberty.h to handle alloca.
+
+2001-03-06 Zack Weinberg <zackw@stanford.edu>
+
+ * c-parse.in (yylexname): New function, split out of _yylex.
+ (objc_rid_sans_at): New table.
+ (init_reswords): Initialize it.
+ (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
+ retrieving the next token and checking it for significance as
+ an ObjC keyword or string constant.
+
+ * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
+ * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
+
+ * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
+ to CPP_OSTRING.
+
+2001-03-06 Stephen L Moshier <moshier@mediaone.net>
+
+ * config/m68k/m68k.c (const_uint32_operand): Accept any
+ const_int on a 32-bit host.
+
+2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
+
+ * objc/objc-act.c (init_objc): Set save_lang_status,
+ restore_lang_status, and mark_lang_status.
+
+2001-03-06 Krister Walfridsson <cato@df.lth.se>
+
+ * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
+
+2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cppinternals.texi: Update.
+
+2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
+ config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
+ config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
+ config/convex/xm-convex.h, config/d30v/xm-d30v.h,
+ config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
+ config/h8300/xm-h8300.h, config/i370/xm-i370.h,
+ config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
+ config/i386/xm-i386.h, config/i860/xm-i860.h,
+ config/i960/xm-i960.h, config/ia64/xm-ia64.h,
+ config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
+ config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
+ config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
+ config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
+ config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
+ config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
+ config/romp/xm-romp.h, config/rs6000/xm-beos.h,
+ config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
+ config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
+ config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
+ config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
+ config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
+ match the defaults provided in hwint.h.
+
+ * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
+ config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
+
+ * config.gcc (xm_file): Don't set to files which are deleted.
+
+ * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
+ guard this file against these macros being undefined.
+
+2001-03-06 Zack Weinberg <zackw@stanford.edu>
+
+ * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
+ and DECL_DEFER_OUTPUT on the decl we create, before calling
+ rest_of_decl_compilation.
+
+2001-03-06 Zack Weinberg <zackw@stanford.edu>
+
+ * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
+ AC_FUNC_ALLOCA.
+ * configure, config.in: Regenerate.
+ * config.gcc: Remove references to deleted files.
+
+ * genattr.c, genattrtab.c, genextract.c, genoutput.c,
+ genrecog.c, rtl.c: Do not use alloca anywhere.
+
+ * Makefile.in, build-make, system.h, config/x-interix,
+ config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
+ config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
+ config/arc/xm-arc.h, config/arm/xm-arm.h,
+ config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
+ config/h8300/xm-h8300.h, config/i370/x-oe,
+ config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
+ config/i386/x-ncr3000, config/i386/x-sco5,
+ config/i386/xm-dgux.h, config/i860/x-sysv4,
+ config/i960/xm-i960.h, config/m32r/xm-m32r.h,
+ config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
+ config/m68k/x-hp320g, config/m69k/x-mot3300,
+ config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
+ config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
+ config/m68k/xm-mot3300.h, config/m88k/x-dolph,
+ config/m88k/x-sysv4, config/m88k/x-tekXD88,
+ config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
+ config/mips/x-iris, config/mips/x-iris3,
+ config/mips/x-sni-svr4, config/mips/x-sysv,
+ config/mips/xm-iris6.h, config/mips/xm-mips.h,
+ config/mips/xm-nws3250v4.h, config/pa/x-hpux,
+ config/pa/x-pa-mpeix, config/pa/xm-pa.h,
+ config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
+ config/pa/xm-papro.h, config/romp/xm-romp.h,
+ config/rs6000/x-aix31, config/rs6000/x-aix41,
+ config/rs6000/x-beos, config/rs6000/x-lynx,
+ config/rs6000/x-mach, config/rs6000/x-rs6000,
+ config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
+ config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
+ config/sparc/x-sysv4, config/sparc/xm-linux.h,
+ config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
+ config/vax/xm-vms.h: Eradicate all references to alloca and
+ related stuff.
+
+ * config/xm-alloca.h, config/clipper/x-clix,
+ config/i386/xm-sysv4.h, config/i860/x-fx2800,
+ config/i860/x-sysv3, config/m88k/x-sysv3,
+ config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
+ (contained only alloca related hacks).
+
+ * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
+ USE_C_ALLOCA.
+
+2001-03-05 Brad Lucier <lucier@math.purdue.edu>
+
+ * invoke.texi: Document __FAST_MATH__.
+
+2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * crtstuff.c: Restore include of auto-host.h.
+
+2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
+
+ Put main() in a separate file, so that the language
+ front-end can use a different main().
+
+ * main.c: New.
+ * toplev.c: (main): Rename as toplev_main.
+ * toplev.h: Declare toplev_main.
+ * Makefile.in (OBJS): add toplev.o.
+ (BACKEND): remove toplev.o, add main.o.
+
+2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cppfiles.c (search_from): Special case the empty string.
+
+2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
+ copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
+ strlen or strcpy; we already know the length.
+ (_cpp_compare_file_date): Similarly.
+ * cpphash.h (struct cpp_reader): Delete done_initialising.
+ (CPP_PREV_BUFFER): Delete.
+ * cppinit.c (cpp_start_read): Don't set done_initialising.
+ * cpplex.c (parse_string): Guarantee null-termination.
+ (_cpp_equiv_toklists): Remove.
+ * cpplib.c (glue_header_name): Null-terminate.
+ (do_line): Don't leak memory.
+ * cpplib.h (BT_WEAK): Delete.
+ * cppmain.c (cb_ident): Strings are now null-terminated.
+
+2001-03-04 Laurynas Biveinis <lauras@softhome.net>
+
+ * gcc.c (convert_filename): Append executable suffix
+ if NO_AUTO_EXE_SUFFIX is not defined.
+ * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
+ * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
+
+2001-03-03 David O'Brien <obrien@FreeBSD.org>
+
+ from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
+ * c-parse.gperf, c-gperf.h: Delete.
+ (c-gperf.h was accidently re-added to the CVS repo in the rev
+ 1.16 commit by tromey)
+
+2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cpplex.c (_cpp_lex_token): Don't warn about directives in
+ macro arguments when looking for the '('.
+ * cppmacro.c (funlike_invocation_p): Set parsing_args to
+ 2 when really parsing arguments; 1 when looking for '('.
+ Always restore the lexer position.
+
+2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * longlong.h (umul_ppmm): Don't use a multiline string.
+
+2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
+
+ * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
+ * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
+ t_bool in declaration because pcc can't combine volatile with typedef
+ types.
+
+Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
+
+ * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
+ until when it is really needed.
+ (ix86_expand_compare): Update call of ix86_expand_fp_compare.
+ * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
+ * i386.md (float?i?f splitter): Don't force source operand to memory
+ for SSE.
+ (sse_movdfcc): Fix constraint.
+ (sse_movdfcc splitter): Handle properly the second alternative.
+
+2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cpplex.c (parse_string): Unconditionally pedwarn.
+
+2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cpp.texi: Update.
+ * cppexp.c (parse_number): Update.
+ * cpplex.c (parse_string): Pedwarn if multiline string does not
+ result from a system header's macro.
+ * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
+ * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
+ for function-like macros too.
+ * c-lex.c (lex_number): Update.
+
+2001-03-03 Richard Henderson <rth@redhat.com>
+
+ * dwarf2out.c (output_call_frame_info): Fix augmentation length.
+
+Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
+
+ * combine.c (try_combine): If split with mode-changed scratch
+ register didn't work, try the original mode.
+
+Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
+
+ * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
+ * config/c4x/c4x.h: Likewise.
+ * stor-layout.c (compute_record_mode): Likewise.
+ (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
+
+2001-03-02 Zack Weinberg <zackw@stanford.edu>
+
+ * configure.in: Kill tm.h. Include the files in the $tm_file
+ list in all three of config.h, hconfig.h, tconfig.h, after the
+ relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
+ three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
+ * configure: Regenerate.
+ * Makefile.in (clean): Don't delete tm.h.
+
+ * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
+ defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
+ those are not defined, set SEC and FEC to 0 and 1.
+ * gcc.texi: Update to match.
+
+ * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
+ * config/fp-bit.c, config/m68k/aux-crt2.asm,
+ config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
+ Include tconfig.h, not tm.h.
+
+ * config/xm-lynx.h, config/xm-std32.h,
+ config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
+ config/alpha/xm-alpha.h, config/arc/xm-arc.h,
+ config/avr/xm-avr.h, config/c4x/xm-c4x.h,
+ config/clipper/xm-clix.h, config/convex/xm-convex.h,
+ config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
+ config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
+ config/h8300/xm-h8300.h, config/i370/xm-linux.h,
+ config/i386/xm-i386.h, config/i860/xm-i860.h,
+ config/i960/xm-i960.h, config/ia64/xm-ia64.h,
+ config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
+ config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
+ config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
+ config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
+ config/pa/xm-linux.h, config/pa/xm-pa.h,
+ config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
+ config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
+ config/pj/xm-pj.h, config/romp/xm-romp.h,
+ config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
+ config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
+ config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
+ config/v850/xm-v850.h, config/vax/xm-vax.h,
+ config/we32k/xm-we32k.h:
+ Don't include tm.h.
+ Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
+
+ * config/i370/xm-i370.h, config/i370/xm-mvs.h,
+ config/i370/xm-oe.h: Don't include tm.h. Don't define
+ SUCCESS_EXIT_CODE.
+ * config/vax/xm-vms.h: Don't include tm.h.
+
+ * config/xm-lynx.h, config/avr/xm-avr.h,
+ config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
+ Delete; made empty by above changes.
+ * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
+ config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
+ Don't include config/xm-lynx.h or tm.h.
+
+ * config/xm-gnu.h: Don't include fcntl.h.
+ * config/sparc/xm-lynx.h: Don't include sys/types.h and
+ sys/wait.h.
+ * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
+
+2001-03-02 Richard Henderson <rth@redhat.com>
+
+ * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
+ UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
+
+2001-03-02 Richard Henderson <rth@redhat.com>
+
+ * Makefile.in (OBJS): Add dwarf2asm.o.
+ * dwarf2asm.c, dwarf2asm.h: New files.
+ * dwarf2out.c (*): Use them.
+ (size_of_uleb128, size_of_sleb128): Remove.
+ (output_uleb128, output_sleb128): Remove.
+ (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
+ (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
+ (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
+ (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
+ (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
+ (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
+ (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
+ (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
+ (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
+ (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
+ (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
+ (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
+ (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
+ (dwarf2out_frame_debug): Remove unused variables.
+ (output_loc_operands): Don't abort on 8 byte constants if
+ host integers are wide enough.
+ (output_symbolic_ref): Remove.
+ (size_of_die): Don't assume 4 byte host integers.
+ (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
+ and end labels.
+ (add_const_value_attribute) [CONST_INT]: Verify we're not doing
+ something stupid with HOST_WIDE_INT to long truncation.
+ [CONST_DOUBLE]: Likewise.
+
+ * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
+ (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
+ * config/arm/unknown-elf.h: Likewise.
+ * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
+ (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
+ (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
+ (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
+ (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
+ (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
+ (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
+ (ASM_OUTPUT_DWARF_OFFSET): Remove.
+ * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
+ * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
+ (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
+ (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
+
+2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
+
+ * cselib.c (hash_rtx): Cast enums to unsigned int.
+
+2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
+
+ * print-rtl.c (print_rtx): Cast enums to int for comparison.
+ * c-decl.c (grokdeclarator): Cast enums to int for comparison and
+ shifts.
+ * c-format.c (C_STD_VER): Cast to int for comparisons.
+ (check_function_format): Cast various enums to int for &.
+ (maybe_read_dollar_number): Likewise.
+ (check_format_info): Likewise.
+ (check_format_info_main): Likewise.
+ * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
+ (safe_from_p): Likewise.
+ * varasm.c (const_hash): Cast enum to int for %.
+ * emit-rtl.c (init_emit_once): Use int loop variable to work around
+ pcc enum problems with < and ++ operators.
+ * regclass.c (init_reg_sets_1): Cast enums for comparison.
+ (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
+ (regclass_init): Change enum class to int to iterate over reg_classes.
+ * genrecog.c (merge_trees): Cast enums for comparison.
+ * rtl.h (GET_CODE): Cast to enum rtx_code.
+ (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
+ (GET_MODE): Cast to enum machine_mode.
+ (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
+ (GET_NOTE_INSN_NAME): Cast enum to int.
+ * tree.h (TREE_CODE): Cast to enum tree_code.
+ (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
+ * timevar.c (timevar_print): Change loop variable id from enum to
+ unsigned int.
+ * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
+ * config/i386/i386.md: Use PUT_MODE for mode assignment.
+ * toplev.c (compile_file): Cast enum DFI to int.
+ (decode_d_option): Likewise.
+
+Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
+
+ * cppinit.c (append_include_chain): Mark "after" include file name list
+ as a system directory.
+ * cpp.texi: Document new behavior.
+
+Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
+
+ * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
+
+2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cppfiles.c (struct include_file): Update.
+ (stack_include_file): Use search_from.
+ (cpp_included, find_include_file): Update.
+ (cpp_execute_include): Update. ptr->name may not be
+ null terminated. Use the new search_from member variable
+ of cpp_buffer.
+ (_cpp_compare_file_date): Similarly.
+ (search_from): New function, similar to actual_directory.
+ (actual_directory): Delete.
+ (remap_filename): Update. loc->name may not be null terminated.
+ (struct file_name_list): Rename search_path. Update.
+ * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
+ search_from and dir.
+ (struct cpp_reader): Remove actual_dirs.
+ * cppinit.c (struct cpp_pending): Update for renamed objects.
+ (append_include_chain, remove_dup_dir, remove_dup_dirs,
+ merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
+ * cpplib.h (struct cpp_options): Similarly.
+
+2001-03-01 Zack Weinberg <zackw@stanford.edu>
+
+ * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
+ config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
+ config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
+ config/clipper/xm-clix.h, config/convex/xm-convex.h,
+ config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
+ config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
+ config/h8300/xm-h8300.h, config/i370/xm-i370.h,
+ config/i370/xm-linux.h, config/i370/xm-mvs.h,
+ config/i370/xm-oe.h, config/i386/xm-aix.h,
+ config/i386/xm-i386.h, config/i386/xm-osf.h,
+ config/i860/xm-i860.h, config/i960/xm-i960.h,
+ config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
+ config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
+ config/mcore/xm-mcore.h, config/mips/xm-mips.h,
+ config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
+ config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
+ config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
+ config/pa/xm-pahpux.h, config/pa/xm-papro.h,
+ config/pj/xm-pj.h, config/romp/xm-romp.h,
+ config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
+ config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
+ config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
+ config/v850/xm-v850.h, config/vax/xm-vax.h,
+ config/vax/xm-vms.h, config/we32k/xm-we32k.h:
+ Do not define TRUE or FALSE.
+
+ * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
+ empty by above change.
+ * config.gcc: Remove references to these files.
+
+ * configure.in: Detect stdbool.h.
+ * configure, config.in: Regenerate.
+ * system.h: Include stddef.h here if available.
+ Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
+ Then set up a sensible boolean type at the very end.
+
+ * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
+ config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
+
+ * hash.h: Delete 'boolean' typedef and related #undefs.
+
+ * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
+ all uses of 'boolean' with 'bool'.
+
+2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
+
+ * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
+ * cppexp.c (lex): Cast enums for comparison.
+ * cppinit.c (parse_option): Cast enum for comparison.
+ * cpplex.c (cpp_spell_token): Cast enums to int for minus.
+ (cpp_output_token): Likewise.
+ (cpp_can_paste): Cast enums for comparsion and plus/minus.
+ (cpp_avoid_paste): Cast enums for minus and comparison.
+
+2001-03-01 Zack Weinberg <zackw@stanford.edu>
+
+ * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
+ field to all array elements.
+
+2001-03-01 Zack Weinberg <zackw@stanford.edu>
+
+ * cpphash.h (struct cpp_reader): Add print_version field.
+ * cppinit.c (cpp_handle_option): For -v, -version, and --version,
+ just set print_version and other flags as appropriate.
+ (cpp_post_options): Print version here if print_version is set.
+
+ * toplev.c (exit_after_options): New flag.
+ (independent_decode_option): Don't exit here; just set
+ exit_after_options.
+ (main): Exit after calling lang_hooks.post_options if
+ exit_after_options is true.
+
+ * cppinit.c (append_include_chain): Drop never-used case QUOTE.
+ (merge_include_chains): Adjust comment to match code.
+
+2001-03-01 Zack Weinberg <zackw@stanford.edu>
+
+ * stringpool.c (set_identifier): New function.
+ * tree.h: Prototype it.
+
+ * c-parse.in: Kill D_YES. If compiled for objc, call
+ save_and_forget_protocol_qualifiers from init_reswords.
+ * objc/objc-act.c (remember_protocol_qualifiers,
+ forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
+ Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
+ vice versa.
+ (save_and_forget_protocol_qualifiers): New function.
+ * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
+
+2001-03-01 Diego Novillo <dnovillo@redhat.com>
+
+ * c-semantics.c (prune_unused_decls): Return error_mark_node
+ instead of (tree) 1 to stop traversing the tree chain.
+
+2001-03-01 Bernd Schmidt <bernds@redhat.com>
+
+ Fix a problem introduced by Kenner's Feb 18 change.
+ * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
+ flag_cse_skip_blocks only temporarily, not for ever.
+
+Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
+
+ * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
+ (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
+
+ * pa.c (emit_move_sequence): Verify operand0 is a hard register
+ before determining its register class.
+
+2001-03-01 Bernd Schmidt <bernds@redhat.com>
+
+ * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
+ from reg 4 if current_function_calls_setjmp.
+ (gen_nop_type): New function.
+ (ia64_emit_nops): New function.
+ (ia64_reorg): Call it.
+ (ia64_sched_reorder): Move code that rotates bundles up a bit.
+
+ * reload1.c (eliminate_regs_in_insn): Restrict the special case
+ code not to try to optimize adds with anything but a REG destination.
+
+ * sched-int.h (struct haifa_insn_data): Add new member priority_known.
+ (INSN_PRIORITY_KNOWN): New accessor macro.
+ * haifa-sched.c (priority): Use it instead of testing priority against
+ zero.
+
+2001-02-28 DJ Delorie <dj@redhat.com>
+
+ * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
+ since that doesn't work the way gcc wants on a generic m68k.
+
+2001-02-28 Richard Henderson <rth@redhat.com>
+
+ * caller-save.c (save_call_clobbered_regs): Fix typo in
+ comparison last change.
+
+Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
+
+ * i386.c (pentium4_cost): New.
+ (m_PENT4): New macro.
+ (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
+ x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
+ x86_integer_DFmode_moves, x86_partial_reg_dependency,
+ x86_memory_mismatch_stall): Add Pentium4
+ (x86_use_q_reg, x86_use_any_reg): Kill.
+ (override_options): Add pentium4.
+ (incdec_operand): Return 0 for pentium4.
+ (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
+ * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
+ (TARGET_PENTIUM4): Define.
+ (enum processor_type): Add PROCESSOR_PENTIUM4.
+ (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
+ * i386.md (attribute "cpu"): Add pentium4.
+ * invoke.texi (march): Add pentium4.
+
+Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
+
+ * i386.md (sse_mov?fcc*): New patterns and splitters.
+ * i386.c (ix86_expand_movcc): Work post-reload; recognize
+ the SSE based conditional moves.
+
+Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
+
+ * i386.md (attribute mode): Add "TI".
+ (movsf_1): Add pxor support; remove constant propagation splitter.
+ (movdf_integer): Likewise.
+ (movdf_nointeger): Likewise.
+ (movxf constant prop splitter): Handle all modes; update for SSE.
+ * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
+ * i386.c (standard_80387_constant_p): Rewrite.
+ (standard_sse_constant_p): New.
+ * i386-protos.h (standard_sse_constant_p): New.
+
+Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
+
+ * i386.md (sse_setccsf, sse_setccdf): New.
+ (sse_cmp* patterns): Use '%D' instead of outputtting condition
+ flag directly.
+ * i386.c (sse_comparison_operator): Accept the supported unordered
+ comparses; be ready for fast_math.
+ (print_operand): Support 'D'.
+
+Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
+
+ * jump.c (reversed_comparison_code): Kill.
+
+Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
+
+ * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
+ for STACK_REGS
+
+Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
+
+ * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
+ add missing '%' in constraints.
+
+Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
+
+ * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
+ for HOST_BITS_PER_WIDE_INT == 32 too.
+
+Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
+
+ * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
+ NREGS.
+ (insert_save, insert_restore): New parameter save_mode.
+ (init_caller_save): Update initialization of reg_save_code
+ and reg_restore_code.
+ (save_call_clobbered_regs): Compute save_modes and update calls to
+ reg_save_code and reg_restore_code.
+ (insert_restore): Unsignetize numbers; use save_modes to choose mode
+ of spill; update use of reg_restore_code.
+ (insert_save): Likewise.
+ * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
+ * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
+ * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
+
+Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
+
+ * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
+ noce_try_store_flag_inc, noce_try_store_flag_mask,
+ noce_try_cmove_arith):
+ Use reversed_comparison_code instead of reverse_comparison and
+ can_reverse_comparison_p.
+
+Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
+
+ * jump.c (reversed_comparison_code_parts): Allow reversal of
+ unordered compares in -ffast-math mode; reverse ordered compares
+ for FP even w/o -ffast-math.
+
+2001-02-27 Richard Henderson <rth@redhat.com>
+
+ * print-rtl.c (print_rtx) [i]: Don't print field five on
+ NOTEs other than NOTE_INSN_DELETED_LABEL.
+
+2001-02-27 Zack Weinberg <zackw@stanford.edu>
+
+ * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
+ * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
+
+2001-02-27 Diego Novillo <dnovillo@redhat.com>
+
+ * c-common.c (walk_stmt_tree): Visit the chain of the current tree
+ even if walk_subtrees is 0.
+ * c-semantics.c (prune_unused_decls): Return a non-null value to
+ stop traversing the tree chain.
+
+2001-02-27 DJ Delorie <dj@redhat.com>
+
+ * config/m68k/m68k.c (output_function_prologue): Save the new CFA
+ register, *then* define it as the new CFA.
+
+Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
+
+ * pa.c (override_options): Promote -fpic to -fPIC.
+ (legitimize_pic_address): Simplify due to removal of
+ small PIC as a code generation option.
+ (secondary_reload_class): Similarly.
+ * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
+ (PRINT_OPERAND_ADDRESS): Similarly.
+ * pa.md (various patterns): Similarly.
+ (small pic lo_sum pattern): Remove.
+
+Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
+ Fergus Henderson
+
+ * md.texi (min, max): Document
+
+Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
+
+ * i386.md (movsf, movdf): Use movaps for reg-reg moves if
+ TARGET_PARTIAL_REG_DEPENDENCY.
+ (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
+
+Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
+
+ * i386.md (mins*, maxs*): New patterns, expanders and splitters.
+
+2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
+
+ * mips.c (mips_make_temp_file): Fix thinko in last change.
+
+2001-02-26 Jason Eckhardt <jle@redhat.com>
+
+ * combine.c (known_cond): Do not reverse the condition when
+ SMAX/UMAX is being considered and the condition is for equality
+ or inequality.
+
+ * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
+
+2001-02-26 Philip Blundell <philb@gnu.org>
+
+ * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
+ "armv2-*-linux".
+ * config/arm/linux-elf.h: Remove historical relics related to
+ above configurations.
+ * config/arm/linux-oldld.h: Delete.
+ * config/arm/linux-elf26.h: Delete.
+
+2001-02-26 Jason Merrill <jason@redhat.com>
+
+ * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
+ definitions.
+ * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
+ recognize a tentative definition. Lose obsolete code.
+
+ * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
+ variables unless necessary, either.
+
+2001-02-25 Richard Henderson <rth@redhat.com>
+
+ * ifcvt.c (struct noce_if_info): Add test_bb.
+ (noce_get_alt_condition): New.
+ (noce_try_minmax, noce_try_abs): New.
+ (noce_operand_ok): New.
+ (noce_process_if_block): Use them.
+ * rtlanal.c (may_trap_p): NEG and ABS can never trap.
+
+Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
+
+ * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
+ include.
+
+2001-02-25 Zack Weinberg <zackw@stanford.edu>
+
+ * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
+ * config/mips/mips.c (mips_make_temp_file): Set temp_filename
+ properly.
+ (mips_asm_file_end): Free temp_filename here.
+
+Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
+ * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
+
+ * config/i386/i386.md (movstrsi): Handle FAIL case.
+
+2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cppinit.c (builtin_array): Update.
+ (init_builtins): Flag builtins to warn if redefined or
+ undefined. Define __GXX_WEAK as a normal macro.
+ * cpplib.c (do_undef): Warn if flagged NODE_WARN.
+ * cpplib.h (NODE_WARN): New flag.
+ * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
+ Handle __STDC__ as a builtin only on Solaris.
+ (warn_of_redefinition): Renamed from check_macro_definition.
+ Reverse sense of test. Always warn if NODE_WARN.
+ (_cpp_create_definition): Use warn_of_redefinition. Flag
+ any macro beginning with "__STDC_" to require a mandatory
+ warning if redefined or undefined.
+
+2001-02-24 Zack Weinberg <zackw@stanford.edu>
+
+ * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
+ i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
+ i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
+ i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
+ m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
+ mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
+ Don't define any of:
+ USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
+ P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
+ NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
+ index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
+ STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
+
+ * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
+ fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
+ definitions.
+
+ * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
+ Delete now-empty file.
+
+ * alpha/vms.h: Define NEED_ATEXIT here...
+ * alpha/xm-vms.h: ...not here.
+
+ * i386/cygwin.h: Don't define PARAMS.
+ * mips/mips.c: Don't prototype mktemp. Don't define
+ P_tmpdir. Use make_temp_file to create temporary files.
+ Don't be clever and delete temporary files early.
+ * config.gcc: Drop references to deleted files. Don't define
+ FULL_PROTOTYPES.
+ * gcc.texi: Don't mention USE_PROTOTYPES.
+
+Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
+ (ix86_set_move_mem_attrs_1): Likewise.
+ * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
+ * config/i386/i386.md (movstrsi): Call it.
+
+2001-02-24 Zack Weinberg <zackw@stanford.edu>
+
+ * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
+ x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
+ ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
+ rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
+
+ (i750a-*-*): Error here if hosting on i750a.
+ (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
+
+ * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
+ Remove (empty modulo comments).
+
+ * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
+ alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
+ i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
+ i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
+ mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
+ rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
+
+ * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
+ Remove reference to winnt.h in comment.
+ * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
+
+2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
+
+ * loop.c (check_dbra_loop): A biv has uses besides counting if it is
+ used to set another biv.
+
+Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * tree.h (BLOCK_DEAD): New macro.
+ (struct tree_block): New flag, dead_flag.
+ * print-tree.c (print_node, case 'b'): Print missing fields.
+ * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
+ * function.c (identify_blocks): Enable test for misplaced notes.
+ (all_blocks): Skip BLOCK_DEAD blocks.
+ * integrate.c (integrate_decl_tree): Likewise.
+
+ * errors.c (internal_error, trim_filename): New functions.
+ (fancy_abort): Call internal_error.
+ * errors.h (internal_error, trim_filename): New declarations.
+
+2001-02-24 Alexandre Oliva <aoliva@redhat.com>
+
+ * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
+ 2000-08-26's patch.
+ (EXTRA_CONSTRAINT): Formatting changes.
+
+2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * rtl.c (rtl_check_failed_code2): Fix typo in last change.
+
+2001-02-23 Per Bothner <per@bothner.com>
+
+ * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
+ so they can be called from java/jvspec.c.
+ * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
+
+Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
+
+ * i386.c (ix86_frame): New structure.
+ (ix86_compute_frame_size): Kill.
+ (ix86_compute_frame_layout): New.
+ (ix86_save_reg): New.
+ (ix86_can_use_return_insn_p): Use frame layout stuff.
+ (ix86_expand_prologue): Likewise.
+ (ix86_expand_epilogue): Likewise.
+ (ix86_initial_elimination_offset): Likewise.
+ (ix86_nsaved_regs): Use ix86_save_reg.
+ (ix86_emit_save_regs): Likewise.
+
+Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
+
+ * flow.c (find_sub_basic_blocks): New function.
+ (split_block): Be ready for basic block introduced by CODE_LABEL.
+ (commit_one_edge_insertion): Call find_sub_basic_block.
+
+ * flow.c (make_edges): Add edge from entry for blocks starting with
+ label having ALTERNATE_NAME
+
+Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
+
+ * function.c (epilogue_done): Be ready for first basic block not
+ containing PROLOGUE_END note.
+ (reposition_prologue_and_epilogue_notes): Avoid placing
+ PROLOGUE_END note between BASIC_BLOCK.
+
+Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
+
+ * loop.c (canonicalize_condition): Move to reversed_comparison_code.
+
+2001-02-21 DJ Delorie <dj@redhat.com>
+
+ * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
+ check for current_function_has_nonlocal_goto from 1999-11-12.
+
+Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * diagnostic.c (trim_filename): No longer static.
+ * toplev.h (trim_filename): Declare.
+ * rtl.c (rtl_check_failed_bounds): Call internal_error.
+ (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
+ (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
+ (rtvec_check_failed_bounds): Likewise.
+ * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
+
+ * convert.c (convert_to_integer): Don't do unsigned unless result or
+ both inputs are unsigned.
+
+ * fold-const.c (fold_convert): Don't call size_int_type_wide if
+ input overflows.
+
+ * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
+
+ * varasm.c (output_constant): Recompute CODE after lang-specific fn.
+
+2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
+
+ * Makefile.in (resource.o): Add params.h dependence.
+ * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
+ * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
+ * resource.c: Add dependence on params.h.
+ (current_live_regs): Fix explanatory comment.
+ (find_basic_block): Add new parameter to permit limiting search
+ for a BARRIER.
+ (mark_target_live_regs): Add new argument to find_basic_block call.
+ (incr_ticks_for_insn): Likewise.
+
+2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
+
+ * diagnostic.c (output_to_stream): Rename to
+ output_buffer_to_stream. Loses the stream parameter.
+ (init_output_buffer): Set diagnosic_buffer's stream.
+ (flush_diagnostic_buffer): Adjust.
+ (default_print_error_function): Likewise.
+ (finish_diagnostic): Likewise.
+ (verbatim): Likewise.
+
+ * diagnostic.h (struct output_buffer): Add `stream' field.
+ (output_buffer_attached_stream): New macro.
+
+2001-02-23 Jakub Jelinek <jakub@redhat.com>
+
+ * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
+ check if either operand is divisible by C.
+ (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
+ If type is signed, consider negative numbers as well.
+
+2001-02-22 Richard Henderson <rth@redhat.com>
+
+ * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
+ reach .text instead of gp-relative relocs.
+ * config/ia64/crtend.asm (.init): Likewise.
+
+2001-02-22 Andreas Jaeger <aj@suse.de>
+
+ * extend.texi (C++ Attributes): Fix typo.
+
+2001-02-21 David Mosberger <davidm@hpl.hp.com>
+
+ * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
+ functions, drop current_function_args_info.words test.
+ (ia64_compute_frame_size): Mark syscall_linkage functions as
+ using eight input registers.
+
+2001-02-21 Loren J. Rittle <ljrittle@acm.org>
+ Bruce Korb <bkorb@gnu.org>
+
+ * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
+ * fixinc/README: Document how to convert sed substitutions
+ to format style c_fix-es.
+ * fixinc/fixincl.x: regen
+
+2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
+
+ * gcc.c: Add comment explaining how to add a command-line option.
+ Add title to specs language comment.
+
+2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
+
+ * gcc.c (cc1_options): Add "-param".
+ (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
+ (option_map): Likewise.
+ * toplev.c (display_help): Add entry for "--param".
+ (independent_decode_option): Fix typographical error.
+
+Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
+ Bernd Schmidt <bernds@redhat.com>
+ Jan Hubicka <jh@suse.cz>
+
+ * i386.c (function_arg_advance): Pass SSE arguments in registers.
+ (function_arg): Likewise.
+
+Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
+
+ * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
+
+2001-02-21 Kazu Hirata <kazu@hxi.com>
+
+ * config/h8300/h8300.md (iorsi3): Do not output an extra newline
+ character.
+ (xorsi3): Likewise.
+
+Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
+
+ * flow.c (init_propagate_block_info): Canon address and use single_set
+ for killing dead memory stores.
+
+2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
+
+ * Makefile.in (reorg.o): Add params.h dependence.
+ * params.def: Fix typographical error in comment.
+ (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
+ * params.h: Modify introductory comment.
+ (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
+ * reorg.c: Add dependence on params.h.
+ (redundant_insn): Add parameterized throttle for search.
+ (fill_simple_delay_slots): Add a comment explaining a variable.
+ Move conditional out of loop, simplifying code.
+ (fill_eager_delay_slots): Fix typographical error in comment.
+
+2001-02-20 Aldy Hernandez <aldyh@redhat.com>
+
+ * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
+
+ * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
+ (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
+
+2001-02-21 Jason Merrill <jason@redhat.com>
+
+ * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
+ (struct tree_decl): Add uninlinable bitfield.
+ * c-decl.c (duplicate_decls): Set it.
+ * integrate.c (function_cannot_inline_p): Check it.
+
+ * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
+ DW_AT_MIPS_linkage_name to abstract methods.
+ (dwarf2out_abstract_function): Emit class context before calling
+ set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
+ (gen_subprogram_die): Remove obsolete code.
+ (gen_member_die): Don't include clones in the member list.
+ (gen_decl_die): Emit abstract info for clone origin.
+ * dwarfout.c (output_type): Don't include clones in the member list.
+ * dbxout.c (dbxout_type_methods): Ignore abstract methods.
+ * toplev.c (note_deferral_of_defined_inline_function): Don't clear
+ DECL_ABSTRACT on a function that already has it set.
+
+ * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
+ (get_subprogram_die): Pass it in.
+
+2001-02-21 Richard Earnshaw <rearnsha@arm.com>
+
+ * flow.c (mark_set_1): Make not_dead unsigned long. For
+ non-pseudos, use it as a bitmask of the hard regs that
+ don't die.
+
+2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cppfiles.c: Update comments.
+ (_cpp_read_file): Don't check for NULL filenames any more.
+ * cppinit.c (cpp_start_read): Don't do canonicalization of
+ in_fname and out_fname. Use the passed file name exclusively.
+ (_cpp_handle_options): Don't treat "-" as a command line option,
+ but as a normal filename.
+ (_cpp_post_options): Canonicalize in_fname and out_fname.
+ * cppmain.c (printer_init): Don't check out_fname for NULL.
+ * c-lex.c (orig_filename): Rename cpp_filename for clarity.
+ (init_c_lex): Update, and use "" to represent stdin to CPP.
+ (yyparse): Update.
+
+2001-02-20 Will Cohen <wcohen@redhat.com>
+
+ * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
+ * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
+ (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
+ fixunstfsi_libfunc.
+
+2001-02-20 Stan Shebs <shebs@apple.com>
+
+ * config/rs6000/rs6000.c (output_cbranch): Output branches
+ on separate lines instead of using ';' to separate.
+
+2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cppinit.c (set_lang): Move builtin handling to...
+ (init_builtins): ...here.
+ (_cpp_create_reader): Move call to set_lang.
+
+2001-02-20 Mark Mitchell <mark@codesourcery.com>
+
+ * stmt.c (expand_return): If an attempt is made to return the
+ error_mar_node, treat the return like a return without a value.
+
+2001-02-19 Zack Weinberg <zackw@stanford.edu>
+
+ * sibcall.c (skip_copy_to_return_value): Call
+ identify_call_return_value here, and return orig_insn if it
+ returns zero. Hardret and softret arguments now unnecessary.
+ (call_ends_block_p): Don't call identify_call_return_value here.
+
+ * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
+ 's' slots in RTXen.
+ * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
+ * ggc.h (ggc_mark_if_gcable): Delete prototype.
+
+Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
+
+ * pa.c (move_operand): Accept code to load the address of a
+ symbol out of the DLT as a valid move operand.
+ (print_operand, case 'A'): New to handle generating a DLT
+ reference for a LO_SUM expression.
+ * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
+ * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
+
+2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * README, cpp.texi, gcc.texi, version.c: Update version number to
+ 3.1.
+ * cpp.1, gcov.1, gcc.1: Regenerate.
+
+2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cppfiles.c (stack_include_file): Generate dependencies
+ here, and manage include_count here too.
+ (PRINT_THIS_DEP): Delete.
+ (_cpp_execute_include): Do not generate dependencies here,
+ apart from the case of a missing header. Do not manage
+ include_count.
+ (_cpp_read_file): Leave dependency generation to
+ stack_include_file.
+
+Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
+
+ * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
+ target_cpu_default. Remove dead assignment to
+ target_cpu_default.
+
+Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
+
+ * regclass.c (contains_reg_of_mode): Make global.
+ (init_reg_sets): Remove contains_reg_of_mode; take into account
+ CLASS_MAX_NREGS when looking for the proper mode.
+ (dump_regclass): Dump only classes considered for the pseudo.
+ (regclass): Use contains_reg_of_mode.
+
+Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
+
+ * gcc.c (do_spec_1): 'n' for printing notices.
+ * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
+
+Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
+
+ * reg-stack.c (next_flags_user): Use current_block->end
+ (swap_rtx_condition): Look for next user if flags don't die;
+ give up on CALL_INSNs; use current_block->end.
+
+Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * sibcall.c (call_ends_block_p): New function.
+ (optimize_sibling_and_tail_recursive_call): Use it.
+
+2001-02-18 Kazu Hirata <kazu@hxi.com>
+
+ * config/h8300/h8300.md: Update copyright.
+ (andsi3): Do not output an extra newline character.
+
+Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * toplev.c (note_deferral_of_defined_inlined_function): Argument
+ FNDECL may be unused.
+
+ * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
+ follow jumps after first run.
+ If -fexpensive-optimizations rerun CSE after GCSE and iterate until
+ it doesn't change any jumps.
+
+Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
+
+ * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
+ ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
+ (mostlyclean): Corresponding changes.
+ * rtlanal.c (hard-reg-set.h): Include.
+ (rtx_unstable_p): Do not treat the argument pointer specially
+ if it is not a fixed register.
+ (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
+
+Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
+ against last real insn in basic block.
+ Rework to avoid gotos.
+
+ * Makefile.in (gcse.o): Now includes ggc.h.
+ * gcse.c: Include ggc.h.
+ (want_to_gcse_p): Verify expression can be in SET as valid insn.
+ (try_replace_reg): Remove warning of uninitialize variable.
+ (process_insert_insn): Call invalid_insn_p to validate insn.
+ * recog.c (insn_invalid_p): Now global.
+ See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
+ * recog.h (insn_invalid_p): New declaration.
+
+ * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
+
+ * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
+ assignments from FP constants since 'Y' output code can't handle it.
+ (eligible_for_sibcall_delay): Likewise.
+
+ * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
+ Call fancy_abort directly, passing args.
+ (print_rtl_and_abort): Now a macro, like fancy_abort.
+
+ * final.c (output_operand_lossage): Use internal_error, not error.
+
+2001-02-18 Shane Nay <shane@agendacomputing.com>
+
+ * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
+ structure shift insns.
+
+2001-02-18 Mark Mitchell <mark@codesourcery.com>
+
+ * invoke.texi (-fsquangle): Remove documentation.
+ (-fname-mangling-version): Likewise.
+
+2001-02-18 Lars Brinkhoff <lars@nocrew.org>
+
+ * optabs.c (expand_abs): Remove reference to
+ HAVE_contitional_arithmetic.
+ * combine.c (simplify_set): Likewise.
+
+2001-02-18 Richard Henderson <rth@redhat.com>
+
+ * ifcvt.c (dead_or_predicable): Don't move code if eh regions
+ would be disrupted.
+
+2001-02-18 Richard Henderson <rth@redhat.com>
+
+ * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
+
+ * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
+
+ * reload1.c (reload_cse_simplify_set): Fix typo.
+
+Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * diagnostic.c (_fatal_insn): Decrement errorcount.
+
+ * invoke.texi (-I): Add note avoiding use for system header files.
+
+ * rtl.h (add_clobbers): Remove duplicate declaration.
+ * recog.h (added_clobbers_hard_reg_p): New declaration.
+ * genemit.c (struct clobber_pat): New field has_hard_reg.
+ (gen_insn): Record if added clobbers clobber hard reg.
+ (gen_split): Avoid unused warning if number of operands is 0.
+ (output_added_clobbers_hard_reg_p): New function.
+ (main): Call it.
+
+2001-02-18 Alan Modra <alan@linuxcare.com.au>
+
+ * pa.c (hppa_expand_prologue): Simplify code storing return
+ pointer. For large (>=8k) frames with a post_store, adjust stack
+ pointer by 8k-64 first rather than by 64. When testing with
+ VAL_14_BITS_P, always use the actual value rather than the value
+ negated. Add blockage to prevent scheduling of spills before
+ stack frame has been created.
+ (hppa_expand_epilogue): Simplify code loading return pointer.
+ Allow a slightly larger range for merge_sp_adjust_with_load case.
+ When testing with VAL_14_BITS_P, always use the actual value.
+
+ * pa.c (pa_adjust_insn_length): Check that block move
+ pattern is a set before looking at operands.
+
+2001-02-17 Mark Mitchell <mark@codesourcery.com>
+
+ * fold-const.c (fold_binary_op_with_conditional_arg): New
+ function, split out from ...
+ (fold): ... here.
+ * tree.def (COND_EXPR): Document the use of VOID_TYPE for
+ conditional arms that throw exceptions.
+
+ * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
+ looking at a BLOCK.
+
+2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
+ define HAVE_DECL_* to 1 to mask potential backup declarations.
+ * configure: Regenerated.
+
+2001-02-17 Mark Mitchell <mark@codesourcery.com>
+
+ * invoke.texi (-Woverloaded-virtual): Clarify documentation.
+
+2001-02-17 Richard Henderson <rth@redhat.com>
+
+ * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
+ when replacing a memory load with a register.
+
+Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+ Jan Hubicka <jh@suse.cz>
+
+ * recog.c (validate_replace_src_1): New.
+ (validate_replace_src_data): Likewise.
+ (validate_replace_src): Use note_uses.
+ * rtl.h (note_uses): Declare.
+ * rtlanal.c (note_uses): New.
+
+Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
+
+ * reg-stack.c (stack_def): Make field reg unsigned.
+ (remove_regno_note): Unsignetize parameter.
+
+2001-02-16 Jes Sorensen <jes@linuxcare.com>
+
+ * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
+ shladd_operand() call.
+
+2001-02-16 Bruce Korb <bkorb@gnu.org>
+ Rodney Brown <RodneyBrown@mynd.com>
+
+ * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
+ * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
+ machine restrictions
+ * fixinc/fixincl.x: regen
+
+Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
+ Don't CSE a nop.
+ (hash_scan_insn): Clean up calls to hash_scan_set.
+ (compute_kill_rd): REGNO now unsigned.
+ (try_replace_reg): Rework to use simplify_replace_rtx.
+ (cprop_jump, cprop_cc0_jump): Likewise.
+ (cprop_insn): Call find_reg_equal_equiv_note.
+ Reflect changes to cprop_jump and cprop_cc0_jump.
+
+ * recog.c (validate_replace_src): Replace in operands of
+ ZERO_EXTRACT in SET_DEST.
+
+ * cse.c (new_label_ref): New variable.
+ (insert): Set it instead of recorded_label_ref.
+ (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
+ CODE_LABEL for this function, and not already in REG_LABEL note.
+
+2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
+
+ * resource.c (mark_referenced_resources): Fix typo in introductory
+ comment.
+ * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
+ string constant.
+
+2001-02-16 Jason Merrill <jason@redhat.com>
+
+ * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
+ NULL.
+ (gen_subprogram_die): Don't abort on seeing a second definition if
+ the previous one was abstract. Don't replace an abstract instance
+ in the lookup table.
+
+ * dwarf2out.c (dwarf2out_abstract_function): Rename from
+ gen_abstract_function.
+ * dwarf2out.h: Declare it.
+ * toplev.c (note_outlining_of_inline_function): New fn.
+ * toplev.h: Declare it.
+ * integrate.c (output_inline_function): Call it.
+ * c-decl.c (duplicate_decls): Call it when redefining an extern
+ inline. Don't inline the new defn.
+
+ * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
+
+2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
+
+ * .gdbinit: Rename to gdbinit.in.
+ * gdbinit.in: New file,
+ * configure.in: Generate .gdbinit from gdbinit.in.
+ * configure: Regenerated.
+ * Makefile.in (distclean): Always remove .gdbinit.
+
+2001-02-16 Jakub Jelinek <jakub@redhat.com>
+
+ * objc/objc-act.c (start_class): Register implemented_classes with
+ GC.
+
+2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cppfiles.c (_cpp_make_system_header): Generate a file
+ change callback.
+
+2001-02-15 Jim Meyering <meyering@lucent.com>
+
+ * Makefile.in (install-common): Don't depend on installdirs here.
+ Instead, make each of the lang.install-common targets (e.g.,
+ c++.install-common in cp/Make-lang.in) depend on it.
+ (install-driver): Depend on installdirs.
+
+Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
+
+ * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
+ do in memory.
+
+2001-02-15 Mark Mitchell <mark@codesourcery.com>
+
+ * invoke.texi (--param): Document.
+
+Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
+
+ * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
+
+Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
+
+ * i386.md (extendsfdf2_2): Fix constraints.
+
+Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
+
+ * i386.md (fop_df_3 splitter): Fix operand number.
+
+Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
+
+ * invoke.texi (-mreg-alloc): Nuke.
+ * i386.c (ix86_reg_alloc_order, regs_allocated,
+ order_regs_for_local_alloc): Nuke.
+ (override_options): Kill reg_alloc code.
+ * i386.h (TARGET_OPTIONS): Kill reg-alloc.
+ (REG_ALLOC_ORDER): SSE goes before I387.
+ (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
+ (ix86_reg_alloc_order): Likewise.
+ * i386-protos.h (ix86_reg_alloc_order): Kill.
+
+2001-02-14 Richard Henderson <rth@redhat.com>
+
+ * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
+
+Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
+
+ * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
+
+Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
+
+ * i386-protos.h (ix86_memory_move_cost): Move offline.
+ * i386.c (ix86_register_move_cost): Compute properly cost of
+ SSE, MMX and i387 instructions.
+ (*_cost): Add costs of SSE/MMX moves.
+ (ix86_memory_move_cost): Move offline from ....; Likewise.
+ * i386.h (MEMORY_MOVE_COST): .... here;
+ (struct processor costs): Add new fields to represent costs
+ of SSE/MMX moves.
+
+Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
+
+ * regclass.c (init_reg_sets_1): Reinstall the optimization of
+ move_cost together with Matt Kraai's fix.
+
+2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
+
+ * Makefile.in (OBJS): Add params.o.
+
+2001-02-14 Richard Henderson <rth@redhat.com>
+ DJ Delorie <dj@redhat.com>
+
+ * jump.c (jump_optimize_1): When we delete a conditional jump
+ preceding a non-conditional jump to effectively the same place,
+ make sure that the combined jump skips any clobber insns between
+ the two labels.
+
+2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
+
+ * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
+
+2001-02-14 Mark Mitchell <mark@codesourcery.com>
+
+ * Makefile.in (toplev.o): Depend on params.h.
+ (intergate.o): Likewise.
+ (params.o): New target.
+ * flags.h (inline_max_insns): Remove.
+ * integrate.c: Include params.h.
+ Use MAX_INLINE_INSNS instead of inline_max_insns.
+ * params.c: New file.
+ * params.h: Likewise.
+ * params.def: Likewise.
+ * toplev.c: Include params.h.
+ (lang_independent_params): New variable.
+ (decode_f_option): Use the param machinery instead of setting
+ max_inline_insns.
+ (independent_decode_option): Handle "--param name=value".
+ (main): Register language-independent parameters.
+
+Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
+
+ * i386.md (pushsf, pushdf_nointeger): Fix constraint.
+
+2001-02-14 Richard Henderson <rth@redhat.com>
+
+ * regclass.c (init_reg_sets_1): Revert last two changes.
+
+2001-02-14 Jakub Jelinek <jakub@redhat.com>
+
+ * stor-layout.c (is_pending_size, put_pending_size): New functions.
+ (variable_size): Call put_pending_size.
+ * tree.h (is_pending_size, put_pending_size): Add prototypes.
+ * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
+ sizes list, put newly created SAVE_EXPR there as well.
+
+2001-02-14 Jakub Jelinek <jakub@redhat.com>
+
+ * config/ia64/ia64.c (last_group): Only 2 entries are needed.
+ (errata_find_address_regs): load_group has only 2 entries.
+ (errata_emit_nops): Likewise. shladd is not problematic.
+ Clear last_group if nop was emitted.
+ (fixup_errata): load_group has only 2 entries.
+ Optimize.
+
+2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * c-lex.c (lex_number): Only warn traditionally for U suffix
+ outside system macros.
+ * cppexp.c (parse_number): Similarly.
+ * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
+ * cppmacro.c (struct cpp_macro): New member node.
+ (parse_args): Only warn about missing rest args if not
+ a system macro.
+ (funlike_invocation_p): Similarly for uninvoked funlike macros.
+ (cpp_sys_objmacro_p): New.
+ (_cpp_create_definition): Store the node with the macro defn.
+ Remember if the macro is defined in a system header.
+
+2001-02-13 DJ Delorie <dj@redhat.com>
+
+ * configure.in (check_languages): determine languages to check
+ * Makefile.in (check-c++): alias for check-g++
+ (check-f77): alias for check-g77
+ (CHECK_TARGETS): depend on configured languages
+
+Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
+
+ * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
+ (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
+ (sqrtsf2 patterns): Use 'x' instead of 'Y'.
+ (sqrtextendsfdf2): Disable for SSE2.
+
+Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
+
+ * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
+ (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
+ (sqrtsf2 patterns): Use 'x' instead of 'Y'.
+ (sqrtextendsfdf2): Disable for SSE2.
+
+Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
+
+ * i386.md (movsfcc_1): Support integer cmove instruction.
+ (movdfcc_1): Likewise; new splitter.
+
+Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
+
+ * i386.c (output_fp_compare): Support SSE.
+ (prepare_fp_compare_args): SSE comparisons always support memory.
+ * i386.h (TARGET_CMOVE): SSE imply cmove.
+ * i386.md (cmp?f2): Enable for SSE too.
+ (cmpfp_i*): Support SSE.
+ (cmpfp_i_sse): New.
+ (cmpfp_i_sse_only): New.
+ (s*, b* fp expanters): Enable for SSE too.
+ (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
+ New patterns.
+
+Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
+
+ * regclass.c (init_reg_sets_1): Silence warning.
+
+Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
+
+ * i386.md (sqrt?f2): Change to expander.
+ (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
+
+Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * rtlanal.c (find_reg_equal_equiv_note): New function.
+ * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
+ (simplify_gen_relational, simplify_replace_rtx): Likewise.
+ * rtl.h: Add declarations for above functions.
+
+Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
+
+ * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
+ conditionals.
+ * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
+ * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
+ * flow.c (mark_regs_live_at_end): Likewise.
+ (calculate_global_regs_live): Likewise.
+ * gcse.c (compute_hash_table): Likewise.
+ (compute_kill_rd): Likewise.
+ * resource.c (mark_target_live_regs): Likewise.
+ * rtl.h (INVALID_REGNUM): New macro.
+
+Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
+
+ * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
+
+Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
+
+ * i386.md (fixsfsi2, fixdfdi2): Force operand to register
+ for SSE.
+
+Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
+
+ * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
+ too.
+ (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
+ (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
+ (fop_sf_1_sse, fop_df_1_sse): New patterns
+ (fop_*): Disable float_extend and float patterns for SSE compilation.
+ * i386.c (output_387_binary_op): Support SSE.
+
+Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
+
+ * i386.md (dummy_extendsfdf2): Support SSE2
+ (extendsfdf2): Enable if 80387 or SSE2.
+ (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
+ and no MIX_I387_SSE2
+ (extendsfdf2_1_sse_only): New pattern.
+ (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
+ of SSE.
+ (truncdfsf2_1): Support SSE.
+ (truncdfsf2_2): Support SSE.
+ (truncdfsf2_2_1_sse): New pattern.
+ (fixtruncsfsi2): Always use SSE if available.
+ (fix_truncsfsi_sse): New pattern.
+ (fix_truncdfsi_sse): New pattern.
+ (floatsis?f2): Support SSE.
+ (floatsidf2_i387): New pattern.
+ (floatsidf2_sse): Likewise.
+
+Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * configure.in: Use "have_gnat" variable, not "gnat".
+ * configure: Regenerated.
+
+ * config/sparc/sparc.c (function_value): Treat all non-record
+ aggregate types like used to treat UNION_TYPE.
+
+Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
+
+ * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
+ * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
+ (MASK_SSE2): New.
+ (MASK_MIX_SSE_I387): New.
+ (TARGET_SSE): SSE2 imply SSE.
+ (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
+ (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
+ (enum reg_class): Add new classes.
+ (REG_CLASS_NAMES): Likewise.
+ (REG_CLASS_CONTENTS): Likewise.
+ (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
+ (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
+ supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
+ (CLASS_MAX_NREGS): Use new macros.
+ (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
+ * i386.md (pushsf, movsf): Support SSE.
+ (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
+ splitters to use ANY_FP_REGNO_P.
+ (movdf_nointeger, movdf_integer): Likewise.
+
+2001-02-13 Alexandre Oliva <aoliva@redhat.com>
+
+ * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
+ (try_combine): Use it.
+
+Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
+
+ * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
+ MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
+ (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
+ (REGISTER_MOVE_COST): Likewise.
+ * i386-protos.h (ix86_secondary_memory_needed,
+ ix86_preferred_reload_class, ix86_register_move_cost): Declare.
+ * i386.c (ix86_secondary_memory_needed,
+ ix86_preferred_reload_class, ix86_register_move_cost): New function.
+
+Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
+
+ * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
+ (HARD_REGNO_MODE_OK): Move offline to ....
+ * i386.c (ix86_hard_regno_mode_ok) ... here;
+ refuse all incorrect modes.
+ * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
+
+2001-02-13 Richard Henderson <rth@redhat.com>
+
+ * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
+ entire operator; replicate that and match_dup the operands.
+ (cmp_ccx_arith_op_set): Likewise.
+ (cmp_cc_arith_op_not_set): Likewise.
+ (cmp_ccx_arith_op_not_set): Likewise.
+
+2001-02-13 Alexandre Oliva <aoliva@redhat.com>
+
+ * explow.c (trunc_int_for_mode): Sign-extend value to mode.
+
+2001-02-12 Geoffrey Keating <geoffk@redhat.com>
+
+ * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
+ (TARGET_NO_BITFIELD_WORD): New macro.
+ (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
+ (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
+
+Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * cselib.c: New file, from simplify-rtx.c.
+ * simplify-rtx.c: Remove cselib parts.
+ * Makefile.in: Add cselib.o.
+
+2001-02-12 Geoffrey Keating <geoffk@redhat.com>
+
+ * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
+ (setup_incoming_varargs): Remove warning.
+
+ * config/rs6000/rs6000.c (validate_condition_mode): When
+ flag_fast_math, allow floating-point conditionals to be reversed.
+ (rs6000_generate_compare): When flag_fast_math, don't generate
+ cror operations for FP conditionals.
+
+ * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
+ -mcall-i960.
+ (ASM_SPEC): Likewise.
+ (CC1_ENDIAN_LITTLE_SPEC): Likewise.
+ (CC1_SPEC): Likewise.
+ (LINK_TARGET_SPEC): Likewise.
+ (CPP_ENDIAN_SPEC): Likewise.
+ * Makefile.in (check-consistency): New target.
+
+2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-decl.c (grokdeclarator): In C99 mode, give the more specific
+ "return type defaults" warning for functions with return type
+ defaulting to int.
+ * c-lang.c (c_init): In C99 mode, enable warnings for implicit
+ function declarations by default rather than only when pedantic.
+
+Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
+
+ * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
+ arrays.
+
+2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
+
+ * extend.texi (Deprecated): Deprecate new initializer lists.
+
+2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
+
+ * mkdeps.c (deps_add_default_target): Robustify. Add
+ basename component only.
+ * cpp.texi (-M): Describe how default target is generated.
+ * invoke.texi (-M): Likewise.
+
+2001-02-12 Kazu Hirata <kazu@hxi.com>
+
+ * toplev.c (push_float_handler): Remove.
+ (pop_float_handler): Remove.
+ * toplev.h: Remove prototypes for the above functions.
+
+2001-02-12 Jakub Jelinek <jakub@redhat.com>
+
+ * c-common.c (constant_fits_type_p): New function.
+ (convert_and_check): Use it.
+
+2001-02-11 Mark Mitchell <mark@codesourcery.com>
+
+ * Makefile.in (GXX_ABI_FLAG): Don't define.
+ * configure.in (--enable-new-gxx-abi): Remove option.
+ * config.in: Regenerated.
+ * configure: Likewise.
+
+2001-02-12 Alexandre Oliva <aoliva@redhat.com>
+
+ * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
+ basic block.
+ (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
+ regular basic block, and arrange for all edges into it to switch
+ to normal mode.
+
+2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
+
+ * Makefile.in (distclean): Do not remove .gdbinit.
+
+2001-02-11 Mark Mitchell <mark@codesourcery.com>
+
+ * Makefile.in (gcc.o): Fix typos.
+ (protize.o): Likewise.
+ (unprotoize.o): Likewise.
+
+2001-02-11 Richard Henderson <rth@redhat.com>
+
+ * tree.c (build1): Check for null operand in last change.
+
+2001-02-11 Richard Henderson <rth@redhat.com>
+
+ * fold-const.c (split_tree): Don't assume a constant isn't splittable.
+ (fold): Don't assume a constant isn't foldable.
+ * tree.c (build): Set TREE_CONSTANT for an expression with no
+ side-effects and constant operands.
+ (build1): Likewise.
+
+2001-02-10 Richard Henderson <rth@redhat.com>
+
+ * jump.c (squeeze_notes): Revert 2000-05-12 change.
+
+2001-02-10 Anthony Green <green@redhat.com>
+
+ * cpp.texi (Standard Predefined): Add documentation for
+ __OPTIMIZE_SIZE__.
+
+ * c-common.c (combine_strings): Improve warning message.
+
+2001-02-10 Geoffrey Keating <geoffk@redhat.com>
+
+ * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
+ --oformat.
+ * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
+
+Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
+
+ * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
+ CYGWIN_CROSS_DIR.
+
+2001-02-09 Alexandre Oliva <aoliva@redhat.com>
+
+ * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
+ fp_mode attribute.
+
+2001-02-09 Nick Clifton <nickc@redhat.com>
+
+ * config/arm/arm.md: Change output contraint on post inc
+ load/store multiple patterns to be a read/write contraint.
+
+2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * gcc.c (cpp_options): Delete .d files on error. Don't delete
+ .o files when using the -M options.
+
+2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
+ David Edelsohn <edelsohn@gnu.org>
+
+ * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
+ handle DImode constants. Use one TOC entry for SImode and smaller
+ constants, aligned properly.
+
+2001-02-08 Jason Merrill <jason@redhat.com>
+
+ * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
+ about the SP adjustment for saving the static chain pointer.
+ * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
+ offset when setting a temporary CFA register.
+
+2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
+
+ * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
+ powerpc-*-chorusos* .
+ * config/rs6000/chorus.h : New file.
+ * config/i386/chorus.h : New file.
+ * config/sparc/chorus.h : New file.
+ * config/sparc/t-chorus-elf : New file.
+
+2001-02-08 David Edelsohn <edelsohn@gnu.org>
+
+ * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
+ * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
+ * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
+ (__WCHAR_TYPE__): Correct macro name.
+
+2001-02-08 Richard Henderson <rth@redhat.com>
+
+ * config/i386/i386.c (ix86_frame_pointer_required): New.
+ (ix86_setup_frame_addresses): New.
+ (struct machine_function): Add accesses_prev_frame.
+ * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
+ ix86_frame_pointer_required.
+ (SUBTARGET_FRAME_POINTER_REQUIRED): New.
+ (SETUP_FRAME_ADDRESSES): New.
+ * config/i386/i386-protos.h: Update.
+ * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
+ from FRAME_POINTER_REQUIRED.
+ * config/i386/svr3gas.h: Likewise.
+ * config/i386/sysv3.h: Likewise.
+ * config/i386/v3gas.h: Likewise.
+
+2001-02-08 Richard Henderson <rth@redhat.com>
+
+ * config/sparc/sparc.c (function_arg_record_value_3): Fix
+ calculation of the number of integer registers required.
+ (function_arg_record_value): Likewise.
+
+2001-02-08 Jason Merrill <jason@redhat.com>
+
+ * diagnostic.c (internal_error): Say "confused" after 1 error, not
+ two. Print file and line with "confused" message.
+
+ * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
+
+Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
+
+2001-02-08 Bernd Schmidt <bernds@redhat.com>
+
+ * final.c (cleanup_subreg_operands): The address of a MEM can
+ contain SUBREGs.
+
+ * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
+ for asms, too.
+
+2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * gcc.texi (Incompatibilities): Update documentation of
+ preprocessing numbers.
+
+2001-02-07 Jakub Jelinek <jakub@redhat.com>
+
+ * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
+
+2001-02-07 Mark Mitchell <mark@codesourcery.com>
+
+ * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
+
+ * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
+ * gcc.c (struct compiler): Add cpp_spec field.
+ (input_file_compiler): New variable.
+ (do_spec_1): Allow a particular compiler to handle `%C'
+ specially.
+ (main): Store the current compiler in input_file_compiler.
+ * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
+
+2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
+
+ * cpphash.h (struct spec_nodes): Add n_true and n_false.
+ * cppinit.c (cpp_create_reader): Initialize them.
+ (append_include_chain): cxx_aware arg might be unused.
+ * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
+ keywords and give them their phase 7 meaning. Pedwarn about
+ this unless '__bool_true_false_are_defined' is defined.
+
+2001-02-07 Alexandre Oliva <aoliva@redhat.com>
+
+ * lcm.c (optimize_mode_switching): Emit mode_set before the
+ JUMP_INSN of an abnormal edge.
+
+2001-02-07 Bernd Schmidt <bernds@redhat.com>
+
+ * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
+ a scheduling barrier at the end.
+
+ * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
+
+2001-02-07 Alexandre Oliva <aoliva@redhat.com>
+
+ * config/sh/sh.md (reload_outsf): Removed.
+ (movsf_ie): Introduce constraints for FPUL loads and stores.
+ (reload_insf): Broaden the output constraint.
+
+ * config/elfos.h (INT_ASM_OP): Don't define it if it's already
+ defined.
+ * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
+ ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
+
+2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
+
+ * final.c: Revert my previous changes.
+ * output.h: Make profile_label_no extern.
+ * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
+ for generating label.
+
+2001-02-06 Laurynas Biveinis <lauras@softhome.net>
+
+ * config/i386/djgpp.h: Add comments about standard paths.
+ (MD_EXEC_PREFIX): Undefine before defining.
+ (MD_STARTFILE_PREFIX): New.
+
+2001-01-30 Bruce Korb <bkorb@gnu.org>
+
+ fixinc/fixincl.c(process): Emit error message only if appropriate :)
+ (load_file): do not rely on load_file_data() to close file pointer
+ fixinc/fixlib.c(load_file_data): do not close passed in file pointer
+ fixinc/inclhack.def(irix_limits_const): add test_text
+
+2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cppexp.c (parse_defined): Improve diagnostics for invalid
+ syntax.
+
+2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
+
+2001-02-06 Mark Mitchell <mark@codesourcery.com>
+
+ * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
+ * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
+ * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
+ (rs6000_output_symbol_ref): New function.
+ (output_toc): Use VTABLE_NAME_P.
+
+Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * print-tree.c (print_node, case PARM_DECL):
+ Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
+
+ * stor-layout.c (reference_types_internal): New variable.
+ (internal_reference_types): New function.
+ (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
+ * tree.h (internal_reference_types): New declaration.
+
+ * cse.c (find_best_addr): Fix typo in computing cost.
+
+Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
+ and this is the sum of a pointer and a constant, we know the result
+ did not overflow.
+ (num_sign_bit_copies, case PLUS): Likewise.
+ * explow.c (convert_memory_address): Remove opposite SUBREG.
+ * function.c (instantiate_new_reg): New function (from common code).
+ (instantiate_virtual_regs_1): Call it.
+ For PLUS, handle if (plus (subreg (virt-reg) (const_int))
+ if pointers sign- or zero-extend.
+ * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
+ If pointers extend unsigned, use inside of SUBREG.
+ (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
+
+2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
+
+ * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
+ subdir of gcc_gxx_include_dir.
+ (gcc_gxx_target_include_dir): Remove.
+
+2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
+
+ * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
+ (dwarf2out_frame_debug_expr): Revise introductory comments to add
+ a high-level description.
+
+2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
+
+ * final.c: Move the declaration of profile_label_no to ...
+ * output.h: ... here.
+ * function.c (expand_function_start): Call PROFILE_HOOK.
+ * config/rs6000/aix.h: Define PROFILE_HOOK.
+ * config/rs6000/rs6000-protos.h: output_profile_hook new.
+ * config/rs6000/rs6000.c (output_profile_hook): Define.
+ (output_prolog): Do nothing for ABI_AIX as it is taken care by
+ output_profile_hook.
+ tm.texi : Explain new macro PROFILE_HOOK.
+
+2001-02-06 Hans-Peter Nilsson <hp@axis.com>
+
+ * extend.texi (Extended Asm): Do not say that semicolon is always
+ a valid line-breaking character for GNU assemblers. Use
+ newline-tab as the most commonly supported syntax. Use
+ newline-tab rather than semicolon in multi-insn examples.
+
+2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
+
+ * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
+
+2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
+ David Edelsohn <edelsohn@gnu.org>
+
+ * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
+ code for AIX, even without flag_pic.
+
+2001-02-05 Jakub Jelinek <jakub@redhat.com>
+
+ * c-typeck.c (common_type): push and pop binding level around
+ calling common_type on function parameters.
+
+Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
+
+ * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
+
+Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * config/mips/mips.c (override_options): Fix typo in last change.
+ (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
+ (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
+
+2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
+
+ * invoke.texi (-fdump-class-layout): Document.
+ (-fdump-translation-unit): Use `=' as filename separator.
+
+2001-02-05 Mark Mitchell <mark@codesourcery.com>
+
+ * Makefile.in (s-mlib): Don't build multilibs if
+ --disable-multilib.
+ (DRIVER_DEFINES): Adjust accordingly.
+ (gcc.o): Likewise.
+ (protoize.o): Likewise.
+ (unprotoize.o): Likewise.
+ * configure.in: Recognize --enable-multilib.
+
+2001-02-04 Mark Mitchell <mark@codesourcery.com>
+
+ * Makefile.in (DRIVER_DEFINES): Fix quoting.
+
+ * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
+ * configure.in: Remove --enable-libstdcxx_v3 support.
+ * configure: Regenerated.
+
+Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
+ Call abort instead of fatal.
+ (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
+ * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
+ (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
+ (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
+ (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
+ * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
+
+ * diagnostic.h (set_internal_error_function): Renamed.
+ * toplev.h (internal_error): Renamed from fatal.
+ (pfatal_with_name): Deleted.
+ (fatal_io_error): Now has printf-style arguments.
+ * diagnostic.c (pfatal_with_name): Deleted.
+ (fatal_io_error): Rework to have args in printf-style.
+ (set_internal_error_function): Renamed from set_fatal_function.
+ (internal_error): Renamed from fatal.
+ (error_recursion, fancy_abort): Call internal_error instead of fatal.
+ * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
+ * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
+ * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
+ * flow.c (verify_flow_info): Likewise.
+ * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
+ * config/mips/mips.c (save_restore_insns): Likewise.
+
+ * except.c (duplicate_eh_handlers): Call abort instead of fatal.
+ * flow.c (verify_flow_info): Likewise.
+ * config/arm/arm.c (thumb_load_double_from_address): Likewise.
+ * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
+ (avr_normalize_condition): Likewise.
+ * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
+ * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
+ (limit_reload_class, double_reg_to_memory): Likewise.
+ (print_operand_address, emit_1600_code_shift): Likewise.
+ (gen_tst_reg, gen_compare_reg): Likewise.
+ * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
+ * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
+ Deleted.
+ * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
+
+ * c-parse.in (methoddef): Call fatal_error instead of fatal.
+ * objc/objc-act.c (build_ivar_chain): Likewise.
+ * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
+ pfatal_with_name.
+ * graph.c (clean_graph_dump_file): Likewise.
+ * profile.c (init_branch_prob): Likewise.
+ * objc/objc-act.c (objc_init): Likewise.
+
+ * config/arm/arm.c (arm_override_options): Make errors non-fatal.
+ * config/avr/avr.c (avr_override_options): Likewise.
+ * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
+ * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
+ * config/h8300/h8300.c (h8300_init_once): Likewise.
+ * config/mips/mips.c (override_options): Likewise.
+ * config/i386/i386.c (override_options): Likewise, rework.
+ * config/m68k/m68k.c (override_options): Likewise.
+
+ * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
+ instead of fatal.
+ * config/mips/mips.c (print_operand): Likewise.
+ * hash.c (hash_allocate): Don't check for failure returns from
+ obstack functions that can't fail.
+ (hash_table_init_n, hash_table_init): Likewise; also now return void.
+ * hash.h (hash_table_init_n, hash_table_init): Now return void.
+ * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
+ (get_object_reference): Likewise.
+
+2001-02-04 Nick Clifton <nickc@redhat.com>
+
+ * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
+ StrongARM1110, 10TDMI, and 1020T.
+
+2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
+
+2001-02-04 Alexandre Oliva <aoliva@redhat.com>
+
+ * config/sh/sh.md (movdf load split): Pass register number to
+ FP_OR_XD_REGISTER_P.
+
+2001-02-04 Mark Mitchell <mark@codesourcery.com>
+
+ * cppinit.c (BC): New macro.
+ (builtin_array): Add __GXX_WEAK__.
+ * cpplib.h (builtin_type): Add BT_WEAK.
+ * cppmacro.c (builtin_macro): Handle BT_WEAK.
+ * defaults.h (SUPPORTS_ONE_ONLY): Define.
+ * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
+
+2001-02-03 Jakub Jelinek <jakub@redhat.com>
+
+ * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
+
+2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cpphash.h: Rename _ALIGN POOL_ALIGN.
+ * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
+
+2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cpphash.h: Rename ALIGN _ALIGN.
+ * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
+
+Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
+
+ * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
+ compilation environment.
+ * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
+ control over location of cygwin includes and libs.
+
+2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
+
+ * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
+
+2001-02-02 lars brinkhoff <lars@nocrew.org>
+
+ * md.texi (Standard Names): remove reference to spur.md.
+
+2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
+
+ * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
+ (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
+ (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
+ * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
+ (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
+
+2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
+
+ * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
+ c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
+ number before reload.
+ (c4x_adjust_cost): Return zero before reload.
+ * c4x.md (load_immed_address+1, load_immed_address+2): Do not
+ split before reload.
+
+2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
+
+ * c4x.c (c4x_hard_regno_rename_ok): New.
+ * c4x-protos.h (c4x_hard_regno_rename_ok): New.
+ * c4x.h (HARD_REGNO_RENAME_OK): Define.
+
+Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * diagnostic.h: Add missing "extern" in all declarations.
+
+2001-02-02 Alex Samuel <samuel@codesourcery.com>
+
+ * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
+ as for gcc_gxx_include_dir.
+
+2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cpp.texi, invoke.texi: Update -Wtraditional documentation.
+
+2001-02-02 Alexandre Oliva <aoliva@redhat.com>
+
+ * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
+ label before alignment to be used as the braf base address.
+ * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
+ branches.
+ (casesi_jump_2): Require at least TARGET_SH2.
+
+ * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
+ truncation to 32-bit doubles on -m3e and -m4-single-only.
+
+2001-02-02 Mark Mitchell <mark@codesourcery.com>
+
+ * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
+ the default when building a shared object.
+ (init_spec): Use it.
+ * testsuite/lib/g++.exp: Include the directory where libgcc
+ is located to the LD_LIBRARY_PATH list.
+ * invoke.texi (-shared-libgcc): Document the cases in which
+ GCC defaults to using the shared libgcc.
+
+2001-02-02 Alexandre Oliva <aoliva@redhat.com>
+
+ * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
+ unsigned is wide enough.
+ (BITS_PER_SI): New.
+ * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
+ (si_to_float): Likewise.
+ (float_to_si, float_to_usi): Use BITS_PER_SI.
+
+2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
+
+ * dwarf2out.c: Added explanation of abbreviations.
+ (def_cfa_1): Added comments listing DWARF2 instructions.
+ (cfa_temp_reg): Removed in favor of cfa_temp.
+ (cfa_temp_value): Removed in favor of cfa_temp.
+ (cfa_temp): New global variable.
+ (dwarf2out_frame_debug_expr): Added extensive introductory
+ comments explaining the function's transformations. Revised to
+ use cfa_temp. Added some rtx checking. Generalize IOR case.
+ (dwarf2out_frame_debug): Revised to use cfa_temp.
+ (output_aranges): Cast as "unsigned" to avoid warning.
+ * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
+ explain which instructions must be marked.
+
+2001-02-01 Richard Henderson <rth@redhat.com>
+
+ * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
+ new instruction.
+
+2001-02-01 Alexandre Oliva <aoliva@redhat.com>
+
+ * config/sh/crt1.asm (main_k): Modified so that start calls
+ ___setup_argv_and_call_main.
+
+2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
+ * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
+ and AVOID_LPASTE is cleared on meeting an unescaped newline.
+ * cppmacro.c (builtin_macro): Set builtin flags here.
+ (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
+ (replace_args): Clarify intent.
+ (cpp_get_token): Macro expansion tokens get the saved flags.
+ Update.
+ * cppmain.c (scan_buffer): Remove now-redundant print.printed
+ check.
+
+2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
+
+ * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
+ 2001-Jan-29.
+
+Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
+ returns Pmode pseudo, but we need ptr_mode.
+ * explow.c (allocate_dynamic_stack_space): Use plus_constant.
+ Remove bogus conversions; use HOST_WIDE_INT for size.
+ Don't use TARGET if wrong mode.
+
+ * config/i386/i386.c (ix86_compute_frame_size): Allow
+ stack_alignment_needed to be non-default even if size is zero.
+
+2001-01-31 Alan Modra <alan@linuxcare.com.au>
+
+ * pa.c (hppa_init_pic_save): New function.
+ * pa.h (hppa_init_pic_save): Declare.
+ * pa.md (call, call_value, sibcall, sibcall_value): Use
+ the above instead of duplicated code.
+
+ * pa.c (hppa_encode_label): Correct size of alloca buffer
+ so we don't overrun it. Correct leading `*' case.
+ * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
+ need to handle `*@'.
+ (FUNCTION_NAME_P): Likewise.
+
+2001-01-31 Richard Henderson <rth@redhat.com>
+
+ * config.gcc (alpha-osf5): Use float-i128.h.
+
+ * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
+ * config/float-i32.h: Likewise.
+ * config/float-i64.h: Likewise.
+ * config/float-sh.h: Likewise.
+ * config/float-sparc.h: Likewise.
+
+2001-01-31 DJ Delorie <dj@redhat.com>
+
+ * expmed.c (extract_bit_field): allow non-integral modes if we
+ want to extract a whole register from itself.
+
+2001-01-31 Jakub Jelinek <jakub@redhat.com>
+
+ * c-typeck.c (set_init_index): If first is equal to last, assume as
+ if it was not a range at all.
+
+2001-01-31 Alexandre Oliva <aoliva@redhat.com>
+
+ * config/fp-bit.c: Include tm.h.
+ (float_to_si): Don't assume SImode is 32-bits wide.
+ (float_to_usi): Likewise.
+
+2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
+ incomplete type.
+ (typename): Call pending_xref_error after parsing typed_typespecs.
+ * c-decl.c (lookup_tag): Give error immediately rather than
+ leaving it pending if the tag of the wrong type is in the same
+ binding level.
+ (xref_tag): Don't pedwarn for forward declarations of enum types
+ here.
+ * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
+ and enum tags.
+
+2001-01-31 Alexandre Oliva <aoliva@redhat.com>
+
+ * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
+
+2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
+ (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
+
+2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cpphash.h (struct cpp_reader): New saved_flags.
+ * cppmacro.c (cpp_get_token): Use saved_flags to remember
+ to avoid a paste after a pasted token.
+
+2001-01-31 Alexandre Oliva <aoliva@redhat.com>
+
+ * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
+ * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
+ Wtype_MIN instead of LONG_MIN.
+
+2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
+
+ * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
+ README file.
+ * fixinc/fixincl.x: Regenerated.
+ * fixinc/inclhack.def (irix_limits_const): New definition to
+ convert "const" to "__const" in limits.h.
+
+2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
+
+ * fixinc/genfixes (AG): Fix "autogen4" thinko.
+
+2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
+
+ * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
+ when register dies in the insn.
+
+2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * diagnostic.c (fatal): Fix word wrap.
+
+2001-01-30 Alexandre Oliva <aoliva@redhat.com>
+
+ * combine.c (try_combine): Fix SUBREG setting for
+ HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
+
+2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
+
+ * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
+ comparison codes.
+
+2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
+ is not NULL.
+ * toplev.c (decode_W_option): Update warn_larger_than
+ unconditionally for each processed switch.
+
+2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
+
+ * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
+ to NULL_RTX.
+ (hppa_expand_prologue): Delete code to save pic offset table register
+ in the function prologue.
+ * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
+ * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
+ table register at the beginning of the function after the prologue.
+
+2001-01-29 lars brinkhoff <lars@nocrew.org>
+
+ * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
+
+2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
+ Jeff Law <law@redhat.com>
+
+ * pa.md (return): Revise comment for trivial return.
+ (return_internal): Non-trivial return pattern for non-PIC code.
+ (return_internal_pic): Non-trivial return pattern for PIC code.
+ It uses the PIC register to ensure it is restored after
+ function calls.
+ (epilogue): Generate appropriate return for PIC and non-PIC code.
+
+Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
+
+ * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
+
+2001-01-29 DJ Delorie <dj@redhat.com>
+
+ * combine.c (if_then_else_cond): Pass the correct mode to
+ operand_subword() for constants.
+
+Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
+
+ * config/i386/cygwin.h: Add w32api to include search. Search different
+ directories in a cross-build environment.
+
+2001-11-29 Tim Josling <tej@melbpc.org.au>
+
+ * tree.h (TYPE_STUB_DECL): Add documentation.
+
+2001-11-29 Laurynas Biveinis <lauras@softhome.net>
+
+ * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
+ (sdbout_field_types): Likwise. Fix use of host_integerp.
+
+2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
+
+ * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
+ cygwin.h.
+
+2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
+
+ * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
+ to use flag_gnu_linker.
+
+2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cpplib.c (T_BAD_DIRECTIVE): Remove.
+ (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
+
+2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * tree.c, tree.h (build_parse_node): Remove; was identical to
+ build_nt.
+ * c-lang.c (start_cdtor), objc/objc-act.c
+ (build_module_descriptor): Use build_nt instead of
+ build_parse_node.
+
+2001-01-29 Jakub Jelinek <jakub@redhat.com>
+
+ * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
+ (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
+ not have any upper bits set.
+
+2001-01-29 Phil Edwards <pme@sources.redhat.com>
+
+ * COPYING.LIB: Update to LGPL 2.1 from the FSF.
+
+2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * stmt.c (estimate_case_costs): Use integer_minus_one_node.
+
+ * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
+
+ * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
+ (integer_minus_one_node): Define.
+
+2001-01-28 Alexandre Oliva <aoliva@redhat.com>
+
+ * Makefile.in (bootstrap2-lean): Fix typo.
+
+2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
+ : Don't set fe_value.
+ * cpplib.h (AVOID_LPASTE): New flag.
+ (struct cpp_hashnode): Remove fe_value.
+ * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
+ * cppmacro.c (builtin_macro): Don't set flags here.
+ (replace_args): Set AVOID_LPASTE flag on first token of an
+ argument, and the token following it.
+ (cpp_get_token): Set AVOID_LPASTE flag on first token of a
+ macro expansion, and on the token following it. Do it for
+ builtins too.
+ * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
+
+2001-01-27 Richard Henderson <rth@redhat.com>
+
+ * config/alpha/t-ieee: Remove multilibbing.
+ (TARGET_LIBGCC2_CFLAGS): Add -mieee.
+
+2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
+
+ * Makefile.in: Remove all dependencies on defaults.h.
+ * builtins.c: Don't include defaults.h.
+ * c-common.c: Likewise.
+ * c-decl.c: Likewise.
+ * c-pragma.c: Likewise.
+ * c-typeck.c: Likewise.
+ * combine.c: Likewise.
+ * i386.c: Likewise.
+ * frame-ia64.c: Likewise.
+ * cppexp.c: Likewise.
+ * crtstuff.c: Likewise.
+ * dbxout.c: Likewise.
+ * dwarf2out.c: Likewise.
+ * dwarfout.c: Likewise.
+ * emit-rtl.c: Likewise.
+ * except.c: Likewise.
+ * expr.c: Likewise.
+ * final.c: Likewise.
+ * frame-dwarf2.c: Likewise.
+ * libgcc2.c: Likewise.
+ * optabs.c: Likewise.
+ * profile.c: Likewise.
+ * sdbout.c: Likewise.
+ * toplev.c: Likewise.
+ * tradcif.y: Likewise.
+ * tree.c: Likewise.
+ * varasm.c: Likewise.
+
+2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * builtins.c (expand_builtin_fputs): Use size_one_node when
+ transforming into fwrite.
+
+2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * extend.texi (Attribute Syntax): New section.
+
+2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
+
+ * fixproto: Correctly install synthesized unistd.h and stdlib.h when
+ they didn't need fixing.
+
+2001-01-27 Janis Johnson <janis@us.ibm.com>
+
+ * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
+ if appropriate.
+ * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
+ to remove macro definitions that are duplicated from elfos.h.
+
+2001-01-27 Richard Henderson <rth@redhat.com>
+
+ * config/i386/sco5gas.h: Move ...
+ * config/usegas.h: ... here.
+ * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
+
+2001-01-27 Jakub Jelinek <jakub@redhat.com>
+
+ * c-typeck.c (struct constructor_stack): Add range_stack member.
+ (really_start_incremental_init): Clear it.
+ (push_init_level): Save constructor_range_stack and clear it if
+ pushing explicit braces.
+ (pop_init_level): abort if constructor_range_stack is nonzero at
+ explicit closing brace. Restore saved constructor_range_stack if
+ not implicit.
+
+2001-01-27 Alexandre Oliva <aoliva@redhat.com>
+
+ * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
+ into register was forced into memory.
+
+2001-01-27 Alexandre Oliva <aoliva@redhat.com>
+
+ * Makefile.in: Remove uses of + before $(MAKE).
+
+2001-01-26 Richard Henderson <rth@redhat.com>
+
+ * stmt.c (cost_table): Remove.
+ (COST_TABLE, cost_table_initialized): New.
+ (estimate_case_costs): Use the later instead of the former.
+ (balance_case_nodes): Likewise.
+
+2001-01-26 Richard Henderson <rth@redhat.com>
+
+ * alias.c (objects_must_conflict_p): Read-only slots may not
+ conflict despite having the same type.
+
+2001-01-27 Michael Hayes <mhayes@redhat.com>
+
+ * loop.c (loop_giv_reduce_benefit): Copy mode size into
+ int variable.
+ (check_ext_dependant_givs): Initialize u_start_val and
+ u_end_val.
+ (load_mems): Make last_max_reg unsigned.
+ (try_swap_copy_prop): Use INSN_P and initialize set.
+
+Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
+
+ * README.AVR : Removed.
+
+Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
+
+ * pa-64.h (text_section): Remove declaration.
+
+ * pa.md (return_internal): Remove mode on PIC register use.
+
+2001-01-25 lars brinkhoff <lars@nocrew.org>
+
+ * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
+ ASM_CLOSE_PAREN): fix typos.
+
+2001-01-25 Mark Mitchell <mark@codesourcery.com>
+
+ * acconfig.h: Define `const' to the empty string if neither
+ __STDC__ nor __cplusplus is defined.
+ * config.in: Regenerated.
+
+2001-01-25 David Edelsohn <edelsohn@gnu.org>
+
+ * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
+ * collect2.c (main): Delete importf. Add ".obj" file extension.
+ (GCC_CHECK_HDR): Handle AIX V5 new magic number.
+ (aix_std_libs): Add additional AIX libraries to skip.
+ * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
+ * config/rs6000/aix51.h: New file.
+
+2001-01-25 Michael Hayes <mhayes@redhat.com>
+
+ * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
+ (loop_insn_emit_before): No longer static.
+ (move_movables): Replace emit_insn_after with loop_insn_emit_after.
+ (loop_givs_rescan, load_mems): Likewise.
+ (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
+ (maybe_eliminate_biv_1):
+ (move_movables): Replace emit_call_insn_before with
+ loop_call_insn_hoist.
+ * loop.h (loop_insn_emit_before): Add.
+ * unroll.c (copy_loop_body): Replace emit_insn_before with
+ loop_insn_emit_before.
+
+2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * diagnostic.c (fatal): Request preprocessed source.
+
+Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
+
+ * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
+ olddecl has argument types and newdecl has none, use the argument
+ types from olddecl.
+
+2001-01-24 Ulrich Drepper <drepper@redhat.com>
+
+ * dwarf2out.c (prefix_of): New function. Determine longest common
+ prefix of the two arguments. The units are whole path components.
+ (output_file_names): When adding a new directory find the one entry
+ with the longest common prefix already in the list. Artificially
+ generate entry if there is none for this prefix.
+ Fix test to check whether the zeroth directory entry is used.
+
+Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
+
+ * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
+ Changed all callers. Take it into account when deciding if a
+ previously loaded value matches.
+
+2001-01-24 Richard Henderson <rth@redhat.com>
+
+ * reload.c (find_reloads_subreg_address): Fail the substitution
+ if the resulting address is insufficiently aligned.
+
+2001-01-24 DJ Delorie <dj@redhat.com>
+
+ * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
+ check the original operand's mode also.
+ * simplify-rtx.c (simplify_ternary_operation): Ditto.
+
+2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-parse.in (cast_expr): Move compound literals from here ...
+ (primary): ... to here. Use standard terminology "compound
+ literal" instead of "constructor expression".
+
+2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * gcc.1, cpp.1: Regenerate.
+
+2001-01-24 Alexandre Oliva <aoliva@redhat.com>
+
+ * calls.c (emit_library_call_value_1): Memory slot for
+ pass-by-reference argument should have the mode of the argument,
+ not of the pointer to it.
+
+2001-01-24 Tom Tromey <tromey@redhat.com>
+
+ * gcc.texi (G++ and GCC): Mention gcj manual.
+ (Standards): Link to section of manual mentioning gcj/Java
+ compatibility.
+
+2001-01-24 Jakub Jelinek <jakub@redhat.com>
+
+ * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
+ * cppinit.c (cpp_start_read): Remove deps_add_dep call.
+ * tradcpp.c (main): Add -imacros or -include'd dependencies
+ for -M*.
+ * cpp.texi (-M, -MM): Document -M -include behavior.
+
+2001-01-24 Roger Collins <roger@ProProject.com>
+
+ * config/i386/xm-i386.h: Make __i386__ a boolean macro.
+
+2001-01-24 Will Cohen <wcohen@redhat.com>
+
+ * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
+ whether registers are 32 bits or 64 bits in size.
+
+2001-01-24 Ben Elliston <bje@redhat.com>
+
+ * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
+
+2001-01-24 Richard Henderson <rth@redhat.com>
+
+ * config/alpha/alpha.md (builtin_longjmp_internal): New.
+ (builtin_longjmp): Use it instead of emit_indirect_jump.
+
+2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
+
+ * bb-reorder.c (make_reorder_chain_1): Handle case where
+ jump edge goes to the same block as the fallthru edge.
+
+2001-01-23 Jim Wilson <wilson@redhat.com>
+
+ * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
+ * frame.h (__ia64_personality_v1): Add prototype.
+ * libgcc2.c (ia64_throw_helper): Change personality declaration to
+ prototype form. Add void * cast to first argument to personality
+ call.
+ * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
+ (asctoe113): Likewise.
+ * config/ia64/frame-ia64.c: Include eh-common.h.
+ * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
+ prototypes.
+ * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
+ to dump parameter.
+ (itanium_split_issue): Add prototype.
+ (gen_nop_type): Ifdef out.
+ (find_best_packet): Initialize best_packet.
+ (ia64_encode_section_info): New local string. Use for ggc_alloc_string
+ result.
+ * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
+ * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
+ (flushrs): Add explicit stop bit at end.
+ * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
+ trailing \ to >.
+
+2001-01-23 Chris Demetriou <cgd@broadcom.com>
+
+ * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
+ of EH symbols.
+ * libgcc2.c (__terminate_func): Make variable static.
+ (__terminate_set_func): New function to set __terminate_func.
+ * libgcc2.h (__terminate_func_ptr): New typedef.
+ (__terminate_set_func): New function.
+
+2001-01-23 Richard Henderson <rth@redhat.com>
+
+ * flow.c (init_propagate_block_info): Don't consider unchanging
+ memories for dead frame store elimination.
+
+2001-01-23 Richard Henderson <rth@redhat.com>
+
+ * varasm.c (UNIQUE_SECTION): Move default implementation ...
+ * defaults.h: ... here.
+
+2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
+
+2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * c-lex.c (lex_charconst): Fix typo: s/p/str.
+
+2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
+
+ * rs6000.h (rs6000_return_addr): Move prototype from here...
+ * rs6000-protos.h (rs6000_return_addr): ...to here.
+ (rs6000_init_expanders): Delete prototype.
+
+2001-01-23 Nick Clifton <nickc@redhat.com>
+
+ * invoke.texi: Replace , with \, inside @gccoptlist macros.
+ (Spec Files): Document %B and %j and %. and %v3 and %M and
+ %{S*&T} spec switches.
+
+2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
+
+ * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
+
+2001-01-23 Chris Demetriou <cgd@sibyte.com>
+ Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cpperror.c: Merge handlers of PEDWARN and WARNING.
+ Have -Werror make pedantic warnings errors, like the
+ rest of GCC.
+
+2001-01-23 Phil Edwards <pme@sources.redhat.com>
+
+ * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
+
+2001-01-23 Jakub Jelinek <jakub@redhat.com>
+
+ * integrate.h (struct inline_remap): Add compare_src, compare_mode.
+ * integrate.c (expand_inline_function): Initialize them.
+ (subst_constants): If changing COMPARE so that both its arguments
+ will be VOIDmode and the comparison mode will be lost, note
+ compare_mode. Use the recorded compare_mode to optimize
+ IF_THEN_ELSE.
+
+2001-01-23 Jason Merrill <jason@redhat.com>
+
+ * dwarf2out.c (new_die): Use xcalloc.
+ (output_die): Abort rather than emit a local reference to offset 0.
+
+2001-01-17 Andrew Haley <aph@redhat.com>
+
+ * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
+ of a saved register; return NULL instead.
+ (copy_reg): Take a pointer to a source register rather than a
+ frame_state.
+ (next_stack_level): Remember the address in the stack frame of all
+ saved registers.
+ Use the saved register pointer array as the source of the CFA.
+ (throw_helper): Rewrite. Unwind once rather than twice and keep
+ track of saved registers as we go.
+
+2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
+
+ * c4x-protos.h (c4x_legitimize_reload_address): Remove.
+ * c4x.c (c4x_legitimize_reload_address): Remove.
+ * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
+ reload address for ldp(k) insn.
+
+Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
+
+ * pa.md (return_internal): Add a USE of the PIC register to ensure
+ it is restored after each call.
+ (return expander): Corresponding changes.
+
+2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
+
+ * rs6000.h (INIT_EXPANDERS): Delete.
+ (RETURN_ADDR_RTX): Call rs6000_return_addr().
+ * rs6000.c (rs6000_override_options): Call *_machine_status from
+ here...
+ (rs6000_init_expanders): ...instead of here. Delete.
+ (rs6000_mark_machine_status): New function.
+ (rs6000_init_machine_status): Use xcalloc.
+ (rs6000_return_addr): Generate RTX for the return address.
+ (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
+ (rs6000_stack_info): Use it.
+
+2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
+
+ * gthr-win32.h: Include errno.h to get a declaration for
+ EINVAL and _mingw.h if the target is mingw32.
+
+2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
+
+ * cpp.texi: Correct typos.
+
+Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * explow.c (probe_stack_range): Ensure value passed to
+ stack_check_libfunc is ptr_mode, not Pmode.
+
+Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
+
+ * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
+ case, don't use operand_subword to calculate a SUBREG that is
+ wider than a word.
+
+ * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
+
+2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
+
+ * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
+ (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
+ valid. If not replace it by equivalent insns.
+
+2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
+
+ * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
+ contains SYMBOL_REF, LABEL_REF and CONST_INT.
+ (c4x_U_constraint, symbolic_address_operand): Likewise.
+ (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
+ memory.
+ (c4x_r11_set_p, c4x_check_laj_p): New functions.
+ * c4x-protos.h (c4x_check_laj_p): Add prototype.
+ * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
+ anulling slot because of silicon bug.
+ (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
+
+2001-01-22 Alan Modra <alan@linuxcare.com.au>
+
+ * cppexp.c (parse_charconst): Change `mask' type to agree
+ with parse_escape.
+
+2001-01-21 Richard Henderson <rth@redhat.com>
+
+ * config/i386/i386.c (ix86_asm_file_end): Disable putting
+ pic_label_name in a linkonce section.
+
+2001-01-17 Philipp Thomas <pthomas@suse.de>
+
+ * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
+ found in libintl.
+ * configure: Regenerate.
+
+Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
+
+ * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
+ uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
+
+Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
+
+ * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
+ If REVERSE nonzero then condition code in X must be reversed.
+ (encode_section_info): Optimize if/else.
+ (avr_function_value): Fix formatting.
+
+ * config/avr/avr.md (branch): Call to ret_cond_branch changed.
+ (difficult_branch): Likewise.
+ (rvbranch): Likewise.
+ (difficult_rvbranch): Likewise.
+
+ * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
+
+ * config/avr/libgcc.S: Fix comment.
+
+2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
+
+ * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
+
+2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
+
+ * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
+
+2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
+
+ * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
+ * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
+ * configure, config.in: Regenerate.
+ * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
+ (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
+ (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
+ (doprint.o): New rule.
+
+2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-typeck.c (digest_init): Handle boolean types as scalars.
+
+Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * stmt.c (expand_return): Don't return anything if size is zero.
+ Delete redundant assignment to BYTES.
+ * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
+
+2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
+
+ * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
+ the same as the default library function names.
+ * config/avr/avr.md: Document special characters after '%'.
+ (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
+ knowing which of the call-used registers are really clobbered.
+ (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
+ New. Both quotient and remainder from one libgcc.S call.
+ * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
+ clobber as few registers as possible.
+ * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
+
+2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cppmacro.c (funlike_invocation_p): Don't move back up to the
+ context of the top of the stack.
+
+2001-01-20 Jakub Jelinek <jakub@redhat.com>
+
+ * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
+ (fixup_var_refs_insns): ...here.
+
+2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
+
+ * function.c (fixup_var_refs_insns): Break up into
+ fixup_var_refs_insn [body of loop], fixup_var_refs_insns
+ [loop over entire insn list], and fixup_var_refs_insns_with_hash
+ [loop over hash table entries].
+ (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
+ fixup_var_refs_insns_with_hash, to match above changes.
+
+2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
+
+ * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
+ (libgcc.a): Likewise.
+ (stmp-multilib): Likewise.
+ (STAGE2_FLAGS_TO_PASS): Likewise.
+
+2001-01-19 Alexandre Oliva <aoliva@redhat.com>
+
+ * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
+ temporary if no_new_pseudos.
+
+2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cppinternals.texi: Update.
+
+2001-01-19 Richard Earnshaw <rearnsha@arm.com>
+
+ * arm.c (arm_init_builtins): Re-enable builtins.
+
+Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
+ * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
+ element to be null, and always expect an EXPR_LIST.
+ * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
+ * sched-deps.c (sched_analyze_1): Likewise.
+ * sched-rgn.c (check_live_1, update_live_1): Likewise.
+
+ * regclass.c (max_set_parallel): New variable.
+ (reg_scan): Take it into account in computation of max_parallel.
+ (reg_scan_mark_refs, case SET): Compute it.
+
+ * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
+ args are REG.
+ * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
+ * function.c (assign_parms): Use INTVAL for a CONST_INT.
+
+2001-01-19 Jason Merrill <jason@redhat.com>
+
+ * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
+ for the abstract instance of an inline function.
+
+Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
+ J"orn Rennecke <amylaar@redhat.com>
+
+ * reload1.c (move2add_note_store): Treat all registers directly or
+ indirectly derived from a base register as members of the same set
+ of values.
+ (reload_cse_move2add): Adjust accordingly. Take mode and offset
+ of base register into account.
+
+Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
+
+ * alias.c (find_base_value): Recognize TRUNCATE.
+ (record_set): In PLUS case, invalidate if other summand is also a
+ base value.
+
+Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
+ entry to be EXPR_LIST.
+ * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
+ be an EXPR_LIST (but not null, which other code doesn't allow).
+ (note_stores): Properly handle PARALLEL in SET.
+ Recursively call for top-level PARALLEL.
+ * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
+ * sched-rgn.c (check_live_1, update_live_1): Likewise.
+
+ * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
+
+2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
+ not pfile->skipping (== 0).
+
+2001-01-17 Nick Clifton <nickc@redhat.com>
+
+ * config/rs6000/rs6000.c: Add prototypes for {init|free}_
+ machine_status.
+
+2001-01-17 Jim Wilson <wilson@redhat.com>
+
+ * invoke.texi (IA-64 options): Improve.
+
+2001-01-17 Tom Tromey <tromey@redhat.com>
+
+ * invoke.texi (Optimize Options): Use `{}' to around @samp
+ argument.
+
+2001-01-17 Aldy Hernandez <aldyh@redhat.com>
+
+ * invoke.texi (-fno-guess-branch-probability): New option.
+
+Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * combine.c (try_combine): Don't set i3_subst_into_i2 for
+ case of making new double-word constant.
+ Revert last change: instead just test i3_subst_into_i2.
+
+2001-01-17 Jakub Jelinek <jakub@redhat.com>
+
+ * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
+ Use q constraints instead of r.
+
+Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
+
+ * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
+ (machine_function): Define.
+ (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
+ * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
+ pa_free_machine_status): New functions.
+ (override_options): Set {init,mark,free}_machine_status to above.
+ (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
+ PIC_OFFSET_TABLE_REGNUM_SAVED.
+ * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
+ PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
+ * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
+ references to PIC_OFFSET_TABLE_REGNUM_SAVED.
+ * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
+
+2001-01-15 DJ Delorie <dj@redhat.com>
+
+ * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
+ (cpp.1): Ditto.
+ (gcc.1): Ditto.
+
+Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * flow.c (propagate_one_insn): Make trying to delete a prologue
+ or epilogue insn an ICE, not a warning. Allow doing this if
+ the current function returns with stack pointer depressed.
+
+ * combine.c (try_combine): If i3_subst_into_i2, properly check for
+ I3 having more than one SET.
+
+2001-01-16 Jim Wilson <wilson@redhat.com>
+
+ * invoke.texi: Document IA-64 options.
+
+ * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
+ (fixup_errata): Delete TARGET_A_STEP use.
+ * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
+ (TARGET_SWITCHES): Delete -ma-step option.
+ * config/ia64/ia64.md (all FP patterns): Delete %B0.
+ (movqicc_astep, movqi_internal_astep, movhicc_astep,
+ movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
+ movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
+ movdfcc_astep, movdf_internal_astep, movtfcc_astep,
+ movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
+ Delete.
+ (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
+ movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
+ cmovsi_internal): Delete ! TARGET_A_STEP check.
+
+2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
+
+ * gcc.texi (Bug Lists): Do not mention newsgroups nor the
+ possibility to report bugs via postal mail. Change a URL and
+ merge in a nearly duplicate statement...
+ (Bug Reporting): ...from here.
+ (Service): Refer to the Bug Reporting section instead of
+ duplicating an URL.
+ (Contributing): Remove trivial explanations concerning snapshots.
+
+2001-01-16 Alan Modra <alan@linuxcare.com.au>
+
+ * cppmain.c (general_init): Don't use ANSI prototype.
+
+2001-01-16 Tom Tromey <tromey@redhat.com>
+
+ * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
+
+2001-01-16 Richard Henderson <rth@redhat.com>
+
+ * config/i386/i386.h: Fix comment typo.
+ * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
+ (ashr+compare patterns): Match CCGOCmode not CCNOmode.
+
+2001-01-16 Phil Edwards <pme@sources.redhat.com>
+
+ * gcc.c: Revert previous -fsyntax-only-related change; move
+ to cp/g++spec.c.
+
+2001-01-16 Jakub Jelinek <jakub@redhat.com>
+
+ * config/i386/i386.c (fcmov_comparison_operator): Only initialize
+ inmode after checking GET_CODE (op).
+
+2001-01-16 Richard Henderson <rth@redhat.com>
+
+ * flow.c (struct propagate_block_info): Add mem_set_list_len.
+ (MAX_MEM_SET_LIST_LEN): New.
+ (propagate_one_insn): Update mem_set_list_len.
+ (invalidate_mems_from_autoinc): Likewise.
+ (invalidate_mems_from_set): Likewise.
+ (mark_used_regs): Likewise.
+ (init_propagate_block_info): Likewise. Stop collecting memories
+ when we reach MAX_MEM_SET_LIST_LEN.
+ (mark_set_1): Likewise.
+
+2001-01-16 Richard Henderson <rth@redhat.com>
+
+ * unroll.c (precondition_loop_p): Fail if no iteration
+ variable found.
+
+2001-01-16 Phil Edwards <pme@sources.redhat.com>
+
+ * gcc.c: When -fsyntax-only is given, do not complain about
+ unused libraries.
+
+2001-01-15 Richard Henderson <rth@redhat.com>
+
+ * config/i386/i386.c (asm_output_function_prefix): Remove.
+ (ix86_asm_file_end): New.
+ (load_pic_register): Generate pic_label_name into a
+ statically allocated buffer.
+ * config/i386/i386-protos.h: Update.
+ * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
+ (ASM_FILE_END): New.
+ * config/i386/i386afe.h: New file.
+ * config.gcc (i?86-*-elf) [tm_file]: Use it.
+ (i?86-*-{freebsd,linux*,moss*}): Likewise.
+ * config/elfos.h (ASM_FILE_END): Undef before redefinition.
+ * config/i386/cygwin.h (ASM_FILE_END): Likewise.
+ * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
+ * config/i386/sco5.h (ASM_FILE_END): Likewise.
+ * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
+
+2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * Makefile.in (install-man): Remove explicit dependency on
+ $(srcdir)/gcc.1.
+
+ * configure.in, configure: Revert previous patch requiring perl
+ 5.6.0.
+
+2001-01-12 Aldy Hernandez <aldyh@redhat.com>
+
+ * toplev.c (flag_guess_branch_prob): New.
+ (f_options): Add guess-branch-probability option.
+ (rest_of_decl_compilation): Only estimate branch probability if
+ flag set.
+ (main): set flag_guess_branch_prob.
+
+ * flags.h (flag_guess_branch_prob): New.
+
+2001-01-15 DJ Delorie <dj@redhat.com>
+
+ * gcc.texi (Makefile): Add documentation for Makefile targets.
+
+2001-01-15 Philip Blundell <philb@gnu.org>
+
+ * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
+ (is_pic): Delete.
+ * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
+ (is_pic): Delete declaration.
+ * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
+ (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
+ * config/arm/arm.md (builtin_setjmp_receiver): New.
+
+2001-01-15 Richard Earnshaw <rearnsha@arm.com>
+
+ * arm.c (use_return_insn): Don't try to determine the function type
+ until after reload has completed.
+ (arm_output_epilogue): Don't adjust the sp value recovered from the
+ stack.
+ (emit_multi_reg_push): Don't record dwarf information for the pc.
+ * arm.md (eh_epilogue): The function type may have changed, so it
+ needs to be recalculated.
+ * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
+ unwind tables on arm/netbsd.
+
+2001-01-15 Richard Earnshaw <rearnsha@arm.com>
+
+ * arm.md (cbranchsi4): Correct calculation of branch ranges.
+ (negated_cbranchsi4): Likewise.
+
+2001-01-15 Richard Earnshaw <rearnsha@arm.com>
+
+ * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
+ (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
+ (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
+ pass -mapcs-* options to assembler.
+ * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
+ (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
+ (ASM_SPEC): Call subtarget_extra_asm_spec.
+
+2001-01-15 Andreas Jaeger <aj@suse.de>
+
+ * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
+ warnings.
+ (ix86_expand_builtin): Likewise.
+
+ * gencodes.c (output_predicate_decls): Make i size_t to avoid
+ warning about comparison between signed and unsigned.
+
+2001-01-14 Geoffrey Keating <geoffk@redhat.com>
+
+ * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
+
+2001-01-14 Ralf Baechle <ralf@gnu.org>
+
+ * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
+ SUBTARGET_CPP_SPEC appropriately.
+
+2001-01-12 Mark Mitchell <mark@codesourcery.com>
+
+ * varasm.c (make_decl_rtl): Fix typo in last change.
+
+2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
+
+ * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
+ linker supports the init_priority C++ attribute.
+ * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
+ * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
+ linker does not support init_priority C++ attribute.
+
+Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
+
+ * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
+
+2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * c-parse.in (finish_parse): Add comment about cpp_destroy.
+ * cp/lex.c (finish_parse): Similarly.
+ * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
+ Return the number of errors encountered.
+ * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
+ * cppmain.c (main): Don't call cpp_destroy.
+
+2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * configure.in: Require at least perl 5.6.0 to regenerate
+ manpages.
+ * configure: Regenerate.
+
+2001-01-14 Richard Henderson <rth@redhat.com>
+
+ * genrecog.c (DT_veclen_ge): New.
+ (add_to_sequence) [MATCH_PARALLEL]: Generate one.
+ (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
+ (nodes_identical_1): Handle DT_veclen_ge.
+ (write_cond, debug_decision_2): Likewise.
+
+2001-01-14 Richard Earnshaw <rearnsha@arm.com>
+
+ * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
+ with ...
+ (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
+
+2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cppmain.c (do_preprocessing): New function; most of the old
+ main.
+ (main): Call it to do most of the work.
+ (cb): Move from global scope to set_callbacks ().
+ (setup_callbacks): Get the callback pointer.
+ (general_init, printer_init): Clean up code and comments.
+
+2001-01-14 Richard Earnshaw <rearnsha@arm.com>
+
+ * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
+ compiling PIC.
+
+2001-01-14 Kazu Hirata <kazu@hxi.com>
+
+ * config/h8300/h8300.c (get_shift_alg): Update comments.
+
+Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * ggc-page.c (alloc_annon): Call perror and correctly call exit.
+ (alloc_page, ggc_alloc): Add casts to remove warnings.
+
+2001-01-14 Geoffrey Keating <geoffk@redhat.com>
+
+ * combine.c (simplify_comparison): Don't change `code' when
+ can't reverse comparison.
+
+2001-01-14 Richard Henderson <rth@redhat.com>
+
+ * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
+ update all call sites. Return true for all non-label constants.
+
+Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
+
+ * i386.c (ix86_expand_compare): Add bypass_test and second_test
+ parameters.
+ (ix86_expand_branch): Update.
+ (ix86_expand_setcc): Update to handle multiple test conditions.
+ (expand_int_movcc): Likewise.
+ (expand_fp_movcc): Likewise.
+ * i386-protos.h (ix86_expand_compare): New.
+ * i386.md (andqi_?_slp, orqi_?_slp): New.
+ (conditional trap expander): Update call to ix86_expand_compare.
+
+2001-01-14 Richard Henderson <rth@redhat.com>
+
+ * config/vax/vax.md: Use nonimmediate_operand instead of
+ general_operand in destinations.
+
+ * config/vax/vax.md (indirect_jump): Use register_operand.
+
+ * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
+ * config/vax/vax.md (call_pop): Turn into an expander.
+ (call_value_pop): Likewise.
+ (call, call_value): New.
+
+2001-01-14 Andreas Jaeger <aj@suse.de>
+
+ * config/i386/i386.c (ix86_split_fp_branch): Remove unused
+ variables.
+ (ix86_fp_compare_mode): Add unused attribute.
+ (ix86_expand_fp_movcc): Remove unused variable.
+ (ix86_expand_builtin): Make fcode unsigned.
+
+ * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
+ (expand_expr): Add cast to avoid signed warning.
+ (store_field): Likewise.
+ (store_constructor_field): Likewise.
+ (store_constructor): Likewise.
+ (store_expr): Likewise.
+ (clear_storage): Likewise.
+ (emit_group_store): Likewise.
+ (emit_group_load): Likewise.
+
+2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-common.c: Move format checking code to ...
+ * c-format.c: ... here. New file. Reorder some functions and
+ declarations.
+ (decl_handle_format_attribute, decl_handle_format_arg_attribute):
+ New functions.
+ * c-common.h (decl_handle_format_attribute,
+ decl_handle_format_arg_attribute): Declare.
+ * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
+ (c-common.o): Adjust dependencies.
+ (c-format.o): New list of dependencies.
+
+2001-01-13 Jakub Jelinek <jakub@redhat.com>
+
+ * unroll.c (loop_iterations): If we cannot prove iteration variable
+ is set once in each iteration, punt.
+
+Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
+
+ * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
+ (*strlenhi): Remove clobber (which was buggy) of output address.
+
+2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * Makefile.in (generated-manpages): Add gcc.1
+ ($(srcdir)/gcc.1): New target.
+ (maintainer-clean): Delete $(srcdir)/gcc.1.
+ * gcc.texi: Add macros @gccoptlist and @gol.
+ * invoke.texi: Include option summary in manpage. Mark up option
+ summary with @gccoptlist and @gol. Use @r in one place where
+ appropriate.
+ * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
+ * gcc.1: Generate from invoke.texi.
+
+2001-01-13 Richard Henderson <rth@redhat.com>
+
+ * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
+ (struct page_entry): Add group member.
+ (struct page_group): New.
+ (struct globals): Add page_groups member.
+ (alloc_anon): Only define for using mmap; remove valloc call.
+ (page_group_index): New.
+ (set_page_group_in_use): New.
+ (clear_page_group_in_use): New.
+ (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
+ (free_page, release_pages): Likewise.
+ * configure.in (with-gc): Default to ggc-page always.
+
+2001-01-13 Alexandre Oliva <aoliva@redhat.com>
+
+ * reload1.c (replace_pseudos_in_call_usage): Use
+ reg_equiv_constant and reg_equiv_address, and don't try
+ regno_reg_rtx first.
+
+2001-01-13 Richard Henderson <rth@redhat.com>
+
+ * ggc-page.c (alloc_page): Round up allocation size to one page.
+ Set e->order on extra pages.
+
+2001-01-13 Richard Henderson <rth@redhat.com>
+
+ * genrecog.c (nodes_identical): Expand commentary.
+ (write_switch): Watch out for identical nodes.
+
+2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cppfiles.c (_cpp_fake_include): New function.
+ * cpphash.h (_cpp_fake_include): New.
+ * cpplib.c (do_line): Call _cpp_fake_include when entering
+ header files in preprocessed input.
+ * cppmain.c (cb_pragma_implementation): Remove handling.
+ (setup_callbacks): Don't register pragmas.
+
+2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * extend.texi: Udate for CPP.
+
+2001-01-13 Andreas Jaeger <aj@suse.de>
+
+ * reload1.c: Add prototype for replace_pseudos_in_call_usage.
+
+ * regmove.c: Add prototype for replace_in_call_usage.
+
+2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
+ struct cpp_chunk, struct htab, struct toklist,
+ struct cpp_context, CPP_STACK_MAX, struct lexer_state,
+ struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
+ CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
+ ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
+ (struct macro_args): Delete.
+ * cpphash.h: See above.
+
+2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cppmain.c (struct printer): Remove no_line_dirs.
+ (options, cb): New.
+ (main, setup_callbacks, scan_buffer, printer_init, cb_define)
+ : Use options rather than CPP_OPTION.
+ (setup_callbacks): Use cb rather than pfile->cb.
+ (main): No need to check for a buffer. Use cpp_errors.
+ (printer_init): Don't set no_line_dirs.
+ (maybe_print_line): Use options not no_line_dirs.
+ (cb_file_change): Don't call print_line if -P.
+
+2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
+ callbacks.
+ * c-parse.in (finish_parse): Use cpp_errors.
+ (__yylex): Use return value of cpp_pop_buffer.
+ * cp/lex.c (finish_parse): Use cpp_errors.
+ * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
+
+Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
+
+ * README.AVR: URLs corrected.
+
+Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * c-decl.c (start_function): Don't warn if old prototype is builtin
+ that's not in C's namespace.
+ * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
+ (_bb): Add prototype for ctime.
+ * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
+
+Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
+
+ * i386.c (ix86_fp_comparison_arithmetics_cost,
+ ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
+ ix86_fp_comparison_cost): New functions.
+ (ix86_expand_fp_compare): Use the costs to choose best bethod; add
+ two new parameters SECOND_TEST and BYPASS_TEST; allow generating
+ two-branch sequences; make static.
+ (ix86_use_fcomi_compare): Do decision according to the costs.
+ (split_fp_branch): New.
+ * i386.md (compare-and-branch patterns): Use split_fp_branch.
+ * i386-protos.h (ix86_expand_fp_compare): Remove
+ (ix86_split_fp_branch): Declare.
+
+ * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
+ and ix86_comparison_operator.
+
+ * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
+ to make it cheaper.
+
+ * i386.c (put_condition_code): Output properly the unordered/ordered
+ compares in fp case.
+ (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
+
+ * tm.texi (REVERSE_CONDITION): Document.
+ * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
+ in -ffast-math mode.
+ * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
+
+2001-01-13 Alexandre Oliva <aoliva@redhat.com>
+
+ * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
+
+ * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
+ optimized away.
+
+ * config/sh/sh.c (mova_p): Fix test for mova_const.
+
+2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * fix-header.c (read_scan_file): Use cpp_get_callbacks and
+ cpp_get_options rather than dereferencing pfile and using
+ CPP_OPTION.
+ * scan-decls.c (scan_decls): Use return value of
+ cpp_pop_buffer rather than CPP_BUFFER.
+
+2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cppinit.c (cpp_handle_option): help_only is now part of the
+ cpp_options structure.
+ * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
+ cpp_set_callbacks): New functions.
+ * cpplib.h (cpp_callbacks): Break out as a named structure.
+ (cpp_options): Move help_only here from cpp_reader.
+ (CPP_FATAL_ERRORS): Update to use cpp_errors.
+ (cpp_errors, cpp_get_options, cpp_get_callbacks,
+ cpp_set_callbacks): New prototypes.
+ * cppmain.c (main): Update for help_only.
+
+2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * Makefile.in (info, maintainer-clean, install-info, uninstall):
+ Also build and remove and install and uninstall c-tree.info and
+ cppinternals.info.
+ ($(srcdir)/gcc.info): Add dependency on contrib.texi.
+ ($(srcdir)/cppinternals.info): New target.
+ * c-tree.texi: Change file name used when makeinfo used without -o
+ from ir.info to c-tree.info. Add info directory entry.
+ * cppinternals.texi: Add info directory entry.
+ * .cvsignore: Update.
+
+2001-01-12 Jakub Jelinek <jakub@redhat.com>
+
+ * c-typeck.c (store_init_value): Don't require constant initializer
+ elements with -pedantic -std=c99.
+ (digest_init): Change error about non-constant initializer elements
+ into pedwarn.
+ (constructor_range_end): Remove.
+ (constructor_incremental, designator_depth,
+ designator_errorneous): New variables.
+ (struct constructor_stack): Remove range_end, add incremental.
+ (struct constructor_range_stack, constructor_range_stack): New.
+ (struct initializer_stack): Add constructor_range_stack.
+ (finish_init): Set it.
+ (start_init): Likewise. require_constant_elements for non-static
+ trees only if not flag_isoc99.
+ (really_start_incremental_init): Remove constructor_range_end, add
+ constructor_incremental.
+ (pop_init_level): Likewise.
+ (push_init_level): Likewise. If implicit and the subobject had some
+ value set already, preinitialize the level with it.
+ Warn about missing braces only if not pushing due to designators.
+ (set_designator, push_range_stack): New functions.
+ (set_init_label): Use them.
+ (set_init_index): Likewise. Remove constructor_range_end.
+ Error if designator index is outside of array bounds.
+ (add_pending_init): Compare values of purpose index trees, not the
+ trees themselves. Allow overwriting of already initialized element.
+ Issue a warning if it had side-effects.
+ (set_nonincremental_init, set_nonincremental_init_from_string): New
+ functions.
+ (pending_init_member): Rename to...
+ (find_init_member): ...this function. Call set_nonincremental_init
+ if necessary. Compare values of purpose index trees, not the trees
+ themselves. Return the actual value, not just nonzero if something
+ is found.
+ (output_init_element): Remove checks for duplicates.
+ If field has zero size, only check the initializer for correctness.
+ Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
+ if constructor_incremental is zero. Change error about initializers
+ not computable at load time into pedwarn.
+ (output_pending_init_elements): Compare bit positions, not
+ FIELD_DECLs to take into account zero-sized fields.
+ (process_init_element): Use constructor_range_stack to fill all
+ ranges in the designator lists from current level up.
+ * extend.texi: Update documentation for labeled elements.
+
+2001-01-12 Alexandre Oliva <aoliva@redhat.com>
+
+ * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
+ to function usage for arguments passed by reference. Optimize
+ callee-copied arguments.
+ * regmove.c (replace_in_call_usage): New function.
+ (fixup_match_1): Call it.
+ * cse.c (cse_insn): Canonicalize registers in function usage.
+ * reload1.c (replace_pseudos_in_call_usage): New function.
+ (reload): Call it.
+
+ * Makefile.in: Reverted yesterday's wrong patch. Installed the
+ right version.
+
+2001-01-12 Jakub Jelinek <jakub@redhat.com>
+
+ * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
+ not XEXP (tmp, 0).
+
+2001-01-12 DJ Delorie <dj@redhat.com>
+
+ * Makefile.in (bootstrap): rename stages to be mnemonic. Add
+ restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
+ targets.
+
+2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
+ tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
+ -std options alongside references to -ansi. Update some
+ documentation for C99.
+ * cpp.1: Regenerate.
+
+2001-01-12 Andreas Jaeger <aj@suse.de>
+
+ * haifa-sched.c (restore_line_notes): Remove argument block B
+ since it's unused.
+ * sched-ebb.c (schedule_ebb): Change caller.
+ * sched-rgn.c (schedule_region): Likewise.
+ * sched-int.h (restore_line_notes): Adjust prototype.
+
+ * loop.h: Remove wrong declaration of doloop_condition_get.
+
+2001-01-12 Phil Edwards <pme@sources.redhat.com>
+
+ * extend.texi: Move C++-extension-related node from the C section
+ into the C++ section.
+
+2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * extend.texi: Refer to an array of pointers to functions instead
+ of one of functions.
+
+Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
+ Jan Hubicka <jh@suse.cz>
+
+ * combine.c (reversed_comparison): Fix typo in last patch.
+ Check X for NULL.
+ (combine_reversed_comparison_code): Make static to follow
+ prototype declaration.
+
+2001-01-12 Phil Edwards <pme@sources.redhat.com>
+
+ * install.texi: Remove misplaced duplicate entry.
+
+2001-01-11 Ulrich Drepper <drepper@redhat.com>
+
+ * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
+
+Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
+
+ * final.c: (leaf_function_p): Fix typo.
+
+2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
+
+ * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
+ Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
+ which you have.
+ (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
+ * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
+ mmap_anon, and valloc is available.
+ * ggc-page.c: Restructure ifdef logic to match new autoconf
+ spec. Don't throw away the test page in init_ggc.
+
+ * configure, config.in: Regenerate.
+
+2001-01-12 Michael Hayes <mhayes@redhat.com>
+
+ * loop.h (total_biv_increment): Constify iv_class pointer.
+ (struct induction): Replace `mem_mode' with `mem' rtx.
+ * unroll.c (total_biv_increment): Constify iv_class pointer.
+ * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
+ (find_mem_givs, combine_givs_p): Likewise.
+ (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
+
+2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
+
+ * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
+ LastError.
+ (__gthread_getspecific): Ditto.
+
+Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
+
+ * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
+ put_condition_code): Convert fp comparison codes to integer
+ before handling.
+ (ix86_expand_fp_compare): Postnote the fp comparison code conversion
+ to final.
+
+ * i386.c (unsigned_comparison, no_comparison_operator): Kill.
+ * i386-protos.h (no_comparison_operator): Kill.
+
+ * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
+
+ * combine.c (REVERSIBLE_CC_MODE): Remove.
+ (reversible_comparison_p): Remove.
+ (combine_reversed_comparison_code): New.
+ (reversed_comparison): New.
+ (combine_simplify_rtx): Use
+ combine_reversed_comparison_code/reversed_comparison instead
+ of reversible_comparison_p.
+ (simplify_if_then_else): Likewise.
+ (simplify_set): Likewise.
+ (simplify_logical): Likewise.
+ (if_then_else_cond): Likewise.
+ (known_cond): Likewise.
+ (simplify_comparison): Likewise.
+
+2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
+
+ * builtins.c (std_expand_builtin_va_start): Handle varargs when
+ sizeof (int) is larger than sizeof(__word__).
+
+2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cppinit.c (do_includes): Fix typo.
+
+2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
+
+ * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
+ in S_REGS does not occur because not all sources are possible
+ when a S_REGS is a destination (sometimes needs a clobber).
+ (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
+ (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
+ (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
+ (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
+ (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
+ (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
+ (lshrdi_const1, lshrsi3_const16): Likewise.
+ (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
+ (*movhi_68hc12, *movqi_68hc12): Likewise.
+ (movstrictqi): Make sure reloading in D_REGS as a destination
+ does not happen.
+
+2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
+
+2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
+ -D, -U and -A, and don't initialize the builtins.
+ (do_includes): Error if -include or -imacros with -fpreprocessed.
+ * cppmain.c (cb_define, cb_undef): Unconditionally process
+ the callback.
+ * tradcpp.c (main): Fix typo.
+
+2001-01-11 Mark Elbrecht <snowball3@bigfoot.com>
+
+ * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
+ (read_name_map): Use IS_ABSOLUTE_PATH.
+ * tradcpp.c (get_filename): Likewise.
+
+2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
+
+ * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
+ (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
+ (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
+ (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
+ (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
+ (cmphi_z_used): Don't use '@' for the output.
+ (tstqi_z_used): Likewise.
+ (cmpqi_z_used): Likewise.
+ (one_cmplsi2): Likewise.
+
+2001-01-11 Alexandre Oliva <aoliva@redhat.com>
+
+ * config/sh/sh.c (barrier_align): Recognize branch around far
+ branch and redundant insn.
+
+2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * invoke.texi: Restore documentation of the drivers' switches -MD
+ and -MMD.
+
+2001-01-11 Alexandre Oliva <aoliva@redhat.com>
+
+ * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
+
+ * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
+ check-objc//%): Support parallel testing of multilibs.
+ (TESTSUITEDIR): Set to testsuite by default, but override for
+ parallel testing.
+ (check-gcc, check-g++, check-g77, check-objc): Enter
+ $(TESTSUITEDIR).
+
+2001-01-11 Bernd Schmidt <bernds@redhat.com>
+
+ * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
+ * sched-deps.c (deps_may_trap_p): Likewise.
+ * basic-block.h: Remove a comment.
+ * flow.c (PROP_POSTRELOAD): Remove.
+ (update_life_info): Don't add it to prop_flags.
+ (mark_set_1): Lose the code that was enabled by it.
+
+2001-01-11 Michael Hayes <mhayes@redhat.com>
+
+ * flow.c (flow_call_edges_add): New.
+ * basic_block.h (flow_call_edges_add): New.
+
+2001-01-11 J"orn Rennecke <amylaar@redhat.com>
+
+ * reload1.c (move2add_note_store): Update reg_set_luid even if
+ base reg remains the same.
+
+2001-01-10 Nick Clifton <nickc@redhat.com>
+
+ * config/d30v/d30v.c (d30v_init_machine_status): Initialize
+ machine_function structure to zero.
+ Add prototypes for machine_status functions.
+
+2001-01-10 Mark Mitchell <mark@codesourcery.com>
+
+ * c-common.h (CTI_VOID_LIST): Remove.
+ (void_list_node): Likewise.
+ * tree.h (TI_VOID_LIST_NODE): New enumeral.
+ (void_list_node): New macro.
+ * config/arm/arm.c (arm_init_builtins): Use void_list_node.
+ * config/i386/i386.c (ix86_init_builtins): Likewise.
+ * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
+
+2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
+ * cppinit.c (cpp_start_read): Update comment, remove unneeded
+ if statement.
+ * tradcpp.c: Include mkdeps.h.
+ (deps, print_deps_phony_targets, deps_append, output_deps,
+ init_dependency_output, output_deps): New.
+ (deps_buffer, deps_allocated_size, deps_size, deps_column,
+ deps_output): Delete.
+ (print_deps_missing_files): Rename deps_missing_files.
+ (inhibit_output): Make global.
+ (main): Delete inhibit_output, deps_stream, deps_target.
+ Use mkdeps functionality in the same way as cpplib. Remove
+ -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
+ -M and -MM. Remove old handling of deps via deps_out, and
+ old reading of environment variables.
+ (get_filename): Update to use deps_add_dep.
+
+2001-01-10 Mark Mitchell <mark@codesourcery.com>
+
+ * output.h (make_function_rtl): Remove prototype.
+ (make_decl_rtl): Likewise.
+ * varasm.c (make_function_rtl): Remove.
+ (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
+ than from a third parameter.
+ * tree.h (make_decl_rtl): Remove last parameter.
+ * c-decl.c (builtin_function): Remove last argument in call to
+ make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
+ (start_function): Likewise.
+ * except.c (call_get_eh_context): Likewise.
+ * expr.c (emit_block_move): Likewise.
+ (clear_storage): Likewise.
+ * profile.c (output_func_start_profiler): Likewise.
+ * toplev.c (rest_of_decl_compilation): Likewise.
+ * objc/objc-act.c (create_builtin_decl): Likewise.
+ (synth_module_prologue): Likewise.
+ (generate_static_reference): Likewise.
+ (build_selector_reference_decl): Likewise.
+ (build_class_reference_decl): Likewise.
+ (build_objc_string_decl): Likewise.
+ (build_protocol_reference): Likewise.
+
+2001-01-10 Richard Henderson <rth@redhat.com>
+
+ * hwint.h: Revert yesterday's change.
+
+2001-01-10 Nick Clifton <nickc@redhat.com>
+
+ * function.h (save_machine_status): Delete.
+ (restore_machine_status): Delete.
+ Amend comment describing {init|mark|free}_machine_status.
+
+ * function.c (save_machine_status): Delete.
+ (restore_machine_status): Delete.
+ Amend comment describing {init|mark|free}_machine_status.
+ (push_function_context_to): Remove invocation of
+ save_machine_status.
+ (pop_function_context_from): Remove invocation of
+ restore_machine_status.
+
+ * emit-rtl.c (init_emit_once): Amend comment describing
+ {init|mark|free}_machine_status.
+
+ * tm.texi (Per-Function Data): New node. Describe the
+ INIT_EXPANDERS macro and the {init|mark|free}_machine_status
+ function pointers.
+
+2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cppinit.c (OPT_g): Remove.
+ (cpp_handle_option): Update for removed -g3.
+ (print_help): Update.
+ * cpplib.h (struct cpp_options): Remove debug_output.
+ * cppmain.c (setup_callbacks, cb_define): Update.
+ * gcc.c (cpp_options): Translate -g3 to -dD.
+
+2001-01-10 Aldy Hernandez <aldyh@redhat.com>
+
+ * config/i960/i960.md: Change modifier to + on the zero_extract
+ pattern after the (rotate -2 reg) canonicalization pattern.
+
+2001-01-10 Richard Henderson <rth@redhat.com>
+
+ * config/alpha/alpha.c (alpha_free_machine_status): New.
+ (override_options): Install it.
+ (alpha_mark_machine_status): Verify machine non-null.
+ * config/i386/i386.c (ix86_free_machine_status): New.
+ (override_options): Install it.
+ (ix86_init_machine_status): Use xcalloc.
+ (ix86_mark_machine_status): Verify machine non-null.
+ * config/ia64/ia64.c (ia64_free_machine_status): New.
+ (ia64_override_options): Install it.
+ (ia64_mark_machine_status): Verify machine non-null.
+
+Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
+
+ * function.c (instantiate_virtual_regs): Instantiate virtual
+ registers found in CALL_INSN_FUNCTION_USAGE.
+
+2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
+ equivalent to -ansi in disabling -Di386.
+
+Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
+
+ * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
+ new functions.
+ (ix86_expand_fp_compare): Make trivial use of new infrastructure.
+
+2001-01-10 Richard Earnshaw <rearnsha@arm.com>
+
+ * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
+
+2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * invoke.texi: Document that -fcond-mismatch isn't supported for
+ C++.
+
+2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * gcc.texi: Define macro gcctabopt.
+ * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
+ @command, @env and @option in some places where appropriate. Use
+ @gcctabopt where appropriate. Put URLs and email addresses inside
+ @w.
+
+2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
+
+ * gcc.c (cpp_options): Set MD file name from output
+ filename, if specified.
+ (suffix_subst): New static variable.
+ (do_spec): Clear it.
+ (do_spec_1, case '.'): Handle new `%.suffix' spec.
+ Clear it.
+ (give_switch): Handle suffix_subst.
+
+2001-01-10 Phil Edwards <pme@sources.redhat.com>
+
+ * invoke.texi: Fix another typo.
+
+2001-01-10 Phil Edwards <pme@sources.redhat.com>
+
+ * invoke.texi: Fix typo.
+
+2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * c-lang.c (lang_hooks): Update.
+ (lang_decode_option): Remove.
+ (lang_init_options): Rename c_init_options.
+ * toplev.c (main): Use lang_hooks for lang_init_options
+ and lang_decode_option.
+ * toplev.h (lang_hooks): Add 2 new hooks.
+ * tree.h: Remove lang_init_options and lang_decode_option.
+ * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
+ * cp/decl2.c: Similarly.
+ * cp/lex.c (lang_init_options): Rename cxx_init_options.
+ (lang_hooks): Update.
+ * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
+ for consistency.
+ (lang_init_options): Rename ffe_init_options.
+ (lang_hooks): Update.
+ (lang_decode_option): Remove.
+ * java/lang.c (lang_init_options): Rename java_init_options.
+ (lang_decode_option): Rename java_decode_option.
+ (lang_hooks): Update.
+ * objc/objc-act.c (lang_init_options): Rename objc_init_options.
+ (lang_decode_option): Rename objc_decode_option.
+ (lang_hooks): Update.
+
+2001-01-09 Nick Clifton <nickc@redhat.com>
+
+ * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
+ (d30v_return_addr_rtx): Delete.
+ (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
+ cfun->machine structure.
+ (struct machine_function): Move to d30v.h
+ (d30v_save_machine_status): Delete.
+ (d30v_restore_machine_status): Delete.
+ (d30v_init_machine_status): New Function.
+ (d30v_mark_machine_status): New Function.
+ (d30v_free_machine_status): New Function.
+ (d30v_init_expanders): Use new functions.
+ (d30v_return_addr): Use ra_rtx field in cfun->machine.
+ (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
+ d30v_return_addr_rtx.
+
+ * config/d30v/d30v.h (struct_machine): Move here.
+ Add eh_epilogue_sp_ofs field.
+
+ *config/d30v/d30v.md (epilogue): Initialize eh_epilogue_sp_ofs
+ field in cfun->machine structure.
+
+Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
+
+ * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
+ PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
+ * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
+
+Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
+
+ * objc/lang-options.h: Remove bogus reference to
+ Java trademark.
+
+2001-01-09 Kazu Hirata <kazu@hxi.com>
+
+ * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
+ return the result.
+
+2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
+
+ * reload.c (find_reloads_address): Check for eliminable registers
+ when substituting a constant expression for a pseudo.
+
+2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-common.c (enum format_type): Add format_type_error.
+ (decode_format_type): New function.
+ (decl_attributes): Use it.
+ (format_kind_info): Adjust comment.
+
+2001-01-09 David O'Brien <obrien@BSDi.com>
+
+ * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
+ i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
+ files in tm_file.
+ * config/i386/gnu.h: Don't include required platform specific .h files,
+ tm.h will do it instead.
+ * config/i386/i386elf.h: Likewise.
+ * config/i386/linux.h: Likewise.
+ * config/i386/moss.h: Likewise.
+ * config/mips/gnu.h: Likewise.
+
+2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
+
+ * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
+ (rs6000-ibm-aix3.[01]*): Likewise.
+ (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
+ (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
+ (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
+ (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
+ (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
+ (powerpc-*-eabiaix*): Likewise.
+ (powerpc-*-eabisim*): Likewise.
+ (powerpc-*-elf*): Likewise.
+ (powerpc-*-eabi*): Likewise.
+ (powerpc-*-rtems*): Likewise.
+ (powerpc-*-linux*libc1): Likewise.
+ (powerpc-*-linux*): Likewise.
+ (powerpc-wrs-vxworks*): Likewise.
+ (powerpcle-wrs-vxworks*): Likewise.
+ (powerpcle-*-sysv*): Likewise.
+ (powerpcle-*-elf*): Likewise.
+ (powerpcle-*-eabisim*): Likewise.
+ (powerpcle-*-eabi*): Likewise.
+ (powerpcle-*-solaris2*): Likewise.
+ * config/rs6000/aix31.h: Delete includes.
+ * config/rs6000/aix3newas.h: Likewise.
+ * config/rs6000/aix41.h: Likewise.
+ * config/rs6000/aix43.h: Likewise.
+ * config/rs6000/beos.h: Likewise.
+ * config/rs6000/rtems.h: Likewise.
+ * config/rs6000/sysv4.h: Likewise.
+
+2001-01-09 Kazu Hirata <kazu@hxi.com>
+
+ * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
+ Change an argument mode of machine_mode to shift_mode of
+ shift_mode. Remove an extra error check.
+ (emit_a_shift): Adopt to the new calling prototype of
+ get_shift_alg.
+ (function_prologue): Fix code for a monitor
+ function. Support H8S.
+ (function_epilogue): Do not output pop for a monitor function.
+
+2001-01-09 Nick Clifton <nickc@redhat.com>
+
+ * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
+ (setup_incoming_varargs): Use sysv_varargs_p field of the
+ cfun->machine structure.
+ (struct machine_function): Move to rs6000.h
+ (rs6000_save_machine_status): Delete.
+ (rs6000_restore_machine_status): Delete.
+ (rs6000_init_machine_status): New Function.
+ (rs6000_free_machine_status): New Function.
+ (rs6000_init_expanders): Use new functions.
+
+ * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
+ export.
+ (struct machine_function): Move here.
+
+ * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
+ sysv_varargs_p field of the cfun->machine structure.
+
+ * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
+ Remove prototype.
+ (rs6000_restore_machine_status): Remove prototype.
+
+2001-01-09 Richard Henderson <rth@redhat.com>
+
+ * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
+ reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
+ * sched-deps.c (sched_analyze_1): Update uses of struct deps.
+ (sched_analyze_2, sched_analyze_insn): Likewise.
+ (sched_analyze, init_deps): Likewise.
+ (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
+ * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
+ (compute_block_backward_dependences): Update propagate_deps call.
+
+2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
+
+ * gcc.c (process_command): Set switches[n_switches].ordering to 0.
+
+2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cppinit.c (OPT_MD, OPT_MMD): Restore.
+ (cpp_handle_option): Handle them.
+ (cpp_post_options): Ensure one of -M or -MM is specified with
+ any other -M? option.
+ (init_dependency_output): Suppress output with -MG.
+
+2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cpp.texi: Update.
+ * invoke.texi: Update.
+
+2001-01-09 Bernd Schmidt <bernds@redhat.com>
+
+ * sh.md (reload_outsf): Generate recognizable patterns for
+ TARGET_SH3E.
+
+2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * c-lang.c (lang_hooks): Update.
+ (lang_init): Rename c_init.
+ (lang_finish): Remove.
+ * toplev.c (compile_file): Use lang_hooks for lang_init ()
+ and lang_finish ().
+ * toplev.h (lang_hooks): Add init () and finish ().
+ * tree.h (lang_init, lang_finish): Remove.
+ * cp/tree.h (lang_init, lang_finish): Remove.
+ * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
+ * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
+ lang_hooks): New.
+ (lang_init, lang_finish): Remove.
+ * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
+ (lang_hooks): Update.
+ * java/lang.c (lang_init): Rename java_init.
+ (lang_finish): Remove.
+ (lang_hooks): Update.
+ * objc/objc-act.c (lang_init): Rename objc_init.
+ (lang_finish): Remove.
+ (lang_hoooks): Update.
+
+2001-01-09 Graham Stott <grahams@redhat.com>
+
+ * cppfiles.c (_cpp_execute_include): Move `len` initialisation
+ after `ptr` is initialized.
+
+2001-01-09 Alexandre Oliva <aoliva@redhat.com>
+
+ * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
+ (INITIALIZE_TRAMPOLINE): Adjust accordingly.
+ * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
+ stack adjusts, instead of r3.
+
+2001-01-09 Michael Hayes <mhayes@redhat.com>
+
+ * flow.c (flow_loop_scan): Break out of ...
+ (flow_loops_find) ... here.
+ * basic-block.h (flow_loop_scan): New.
+ (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
+ (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
+
+2001-01-09 Alexandre Oliva <aoliva@redhat.com>
+
+ * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
+ macro_buffer_len.
+ * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
+ realloc()ing macro_buffer.
+
+ * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
+ if it's wider than long and the target's long is wider than the
+ host's.
+
+2001-01-09 Mark Mitchell <mark@codesourcery.com>
+
+ Remove support for using UWIN as a host machine.
+ * configure.in: Issue an error message.
+ * configure: Regenerated.
+ * config.gcc: Remove xm_* UWIN configury.
+ * config/i386/xm-uwin.h: Remove.
+
+2001-01-08 Nick Clifton <nickc@redhat.com>
+
+ * config/v850/v850.c (ra_rtx): Delete.
+ (v850_save_machine_status): Delete.
+ (v850_restore_machine_status): Delete.
+ (v850_init_machine_status): New function.
+ (v850_mark_machine_status): New function.
+ (v850_free_machine_status): New function.
+ (v850_return_addr): Use ra_rtx field in machine structure.
+ (v850_init_expanders): Use new functions.
+
+ * config/v850/v850-protos.h: Fix prototypes for v850_output_*
+ * config/v850/v850.c: Change arguments to v850_output+* functions
+ to take a const char *, to avoid compile time warning.
+ * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
+ (USER_LABEL_PREFIX): Redefine.
+
+2001-01-08 Jim Wilson <wilson@redhat.com>
+
+ * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
+ 1 to unsigned HOST_WIDE_INT before left shift.
+
+2001-01-08 Nick Clifton <nickc@redhat.com>
+
+ * config/arm/arm.c (arm_mark_machine_status): Check to see if
+ the machine structure has been allocated.
+ (arm_free_machine_status): New function: Free the machine
+ specific function structure.
+
+2001-01-08 Richard Henderson <rth@redhat.com>
+
+ * jump.c (simplejump_p): Revert last change.
+
+2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cppinit.c (init): Rename init_library.
+ (cpp_create_reader): Update.
+ * gcc.c (cpp_options): If -o given, use it as the target of
+ any -M options.
+
+2001-01-08 Richard Earnshaw <rearnsha@arm.com>
+
+ * arm.c (arm_arch5e): New variable.
+ (all_cores): XScale is a 5TE device.
+ (arm_override_options): Set arm_arch5e.
+ (arm_init_builtins): __builtin_prefetch is in arch5e.
+ * arm.h (arm_arch5e): Declare it.
+
+ * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
+
+ * arm.md (define_constants): Add defines for UNSPEC and
+ UNSPEC_VOLATILE insns. Update all users.
+ (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
+ * arm.c (multi_register_push, note_invalid_constants)
+ (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
+ * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
+ (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
+
+Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
+
+ * jump.c (jump_optimize_1): Use reversed_comparison_code
+ instead of can_reverse_comparison_p.
+ (jump_back_p): Likewise.
+ (invert_exp_1): Likewise.
+ (thread_jumps): Likewise.
+ * simplify-rtx.c (simplify_unary_operation): Likewise.
+ (simplify_ternary_operation): Likewise.
+ * cse.c (find_comparison_args): Convert to use
+ can_reverse_comparison_p.
+ (record_jump_equiv): Likewise.
+
+2001-01-08 Richard Earnshaw <rearnsha@arm.com>
+
+ * arm.h (HARD_REGNO_RENAME_OK): Delete.
+ (EPILOGUE_USES): Define.
+ (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
+ automatically stack the LR if it isn't live.
+
+Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
+
+ * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
+ properly.
+
+Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
+
+ * ggc-page.c (max_alignment): New structure.
+ (MAX_ALIGNMENT): New macro.
+ (init_ggc): Use it to round up the sizes in the
+ extra_order_size_table.
+
+2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
+
+ * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
+ after reload.
+
+2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * builtins.def (BUILT_IN_FPRINTF): New entry.
+
+ * c-common.c (c_expand_builtin_fprintf): New function.
+ (init_function_format_info): Handle __builtin_fprintf.
+ (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
+ (c_expand_builtin): Handle BUILT_IN_FPRINTF.
+
+ * c-decl.c (duplicate_decls): Adjust comment.
+
+ * extend.texi (fprintf): Document new builtin.
+
+2001-01-07 Richard Henderson <rth@redhat.com>
+
+ * jump.c (simplejump_p): Recognize any single_set jump
+ of the proper form.
+
+2001-01-07 Richard Henderson <rth@redhat.com>
+
+ * configure.in (slibdir): Accept an --with-slibdir option.
+ Use "test" not "[" in configure. Default to $(libdir).
+
+ * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
+ fix typo in rm -f.
+ * config/t-aix43 (SHLIB_INSTALL): Likewise.
+ * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
+ (SHLIB_LINK): Create links for the soname.
+ * config/mips/t-iris6: Likewise.
+ * config/sparc/t-slibgcc: Likewise.
+ * config/sparc/t-slibgcc-sld: Likewise.
+
+2001-01-07 Jakub Jelinek <jakub@redhat.com>
+
+ * config/i386/i386.c (constant_call_address_operand): Accept
+ (const (plus (symbol_ref) (const_int))).
+ * config/i386/i386.h (PREDICATE_CODES): Add CONST for
+ constant_call_address_operand.
+
+2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
+ and LONG_LONG_TYPE_SIZE > 32.
+
+2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
+
+ * jump.c (reversed_comparison_code_parts): Fix typo introduced by
+ the previous change.
+
+Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
+
+ * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
+ New.
+ (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
+ (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
+ * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
+ Declare.
+
+2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * fix-header.c (read_scan_file): s/pfile/scan_in/.
+
+2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * c-lang.c (c_post_options): Call cpp_post_options.
+ * objc/objc-act.c (objc_post_options): Similarly.
+ * cppmain.c (main): Similarly.
+ * fix-header.c (read_scan_file): Similarly.
+ * cppinit.c (cpp_start_read): Move option consistency checks
+ to cpp_post_options. Don't call init_dependency_output.
+ If needed, add default target and main file dependency.
+ (OPT_MD, OPT_MMD): Remove.
+ (OPT_MF): New.
+ (cpp_handle_option): Update for OPT_* changes.
+ (cpp_post_options): New.
+ (init_dependency_output): Command line -MF overrides environment
+ variables. Don't set default target etc. Suppress output
+ if dependencies are going to stdout.
+ (print_help): Update.
+ * cpplib.h (cpp_post_options): New.
+ * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
+
+Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
+
+ * jump.c (comparison_dominates_p): Support unordered compares.
+
+Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
+
+ * simplify-rtx.c (simplify_relational_operation): Always simplify
+ ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
+ and UNGE.
+
+Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
+
+ * combine.c (combine_simplify_rtx): Recognize the unordered compares.
+ (nonzero_bits): Likewise.
+ (simplify_comparison): Likewise.
+ (num_sign_bit_copies): Likewise; return more sane value depending
+ on STORE_FLAG_VALUE.
+ (known_cond): Do not assume EQ to be always true for equivalent
+ operands.
+
+Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
+
+ * cse.c (fold_rtx): Handle unordered comparisons.
+
+Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
+
+ * rtlanal.c (set_of_1): New static function.
+ (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
+ reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
+ reg_set_last_last_regno): Remove.
+ (set_of): New global function.
+ (set_of_data): New structure.
+ (reg_set_p, reg_set_last): Revamp for set_of.
+ * rtl.h (set_of): New.
+
+2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
+ * extend.texi: Document _Exit builtin.
+
+2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * (initialize, initialize_builtins,
+ initialize_dependency_output, initialize_standard_includes):
+ Rename s/initialize/init. Update.
+ (init_dependency_output): Move to after
+ cpp_handle_options, the correct location temporally at least.
+ (opt_comp): Move next to init (), its caller. Fix prototype.
+ (init): Make "initialized" local scope.
+ (cpp_create_reader): Always call init ().
+ (cpp_start_read): Update.
+ (output_deps): New function, broken out of cpp_finish.
+ (cpp_finish): Break out output_deps.
+
+2001-01-07 Richard Henderson <rth@redhat.com>
+
+ * collect2.c (COFF specific stuff): Revert 12-06 patch
+ to prototype system functions.
+
+2001-01-07 Michael Hayes <mhayes@redhat.com>
+
+ * hard-reg-set.h: Add multiple include guard.
+ * basic-block.h (struct loop): Add `sink' field.
+ * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
+ (emit_iv_add_mult): Delete.
+ (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
+ (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
+ (unroll_loop): Remove end_insert_before argument.
+ * loop.c (loop_givs_rescan): Remove end_insert_before argument.
+ (maybe_eliminate_biv_1): Likewise.
+ (emit_iv_add_mult): Delete.
+ (gen_add_mult, loop_regs_update): New.
+ (loop_insn_emit_after, loop_insn_emit_before): New.
+ (loop_insn_sink, loop_insn_sink_or_swim): New.
+ (emit_iv_add_mult): Delete.
+ (scan_loop): Set loop->sink.
+ (loop_givs_reduce): Use loop_insn_sink and its ilk.
+ (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
+ (maybe_eliminate_biv_1): Likewise.
+ (maybe_eliminate_biv_1): Add basic block argument.
+ * unroll.c (unroll_loop): Remove end_insert_before argument.
+ (find_splittable_regs): Likewise.
+ (find_splittable_regs): Use loop_insn_sink and its ilk.
+ (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
+
+2001-01-07 Michael Hayes <mhayes@redhat.com>
+
+ * loop.h (loop_insn_hoist): New prototype.
+ * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
+ (move_movables, loop_givs_rescan): Use loop_insn_hoist.
+ (check_dbra_loop, load_mems): Likewise.
+ * unroll.c (unroll_loop, find_splittable_regs): Likewise.
+ (find_splittable_givs): Likewise.
+
+2001-01-07 Michael Hayes <mhayes@redhat.com>
+
+ * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
+
+2001-01-07 Richard Henderson <rth@redhat.com>
+
+ * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
+
+2001-01-07 Richard Henderson <rth@redhat.com>
+
+ * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
+ NO_SHARED_LIBGCC_MULTILIB as required for the target.
+ * gcc.c (init_spec): Massage the existing libgcc_spec into a
+ variant that handles a shared libgcc.
+ (process_command): Always validate -{static,shared}-libgcc.
+ (do_spec_1): New 'M' case.
+ * invoke.text (Link Options): Document -{static,shared}-libgcc.
+
+2001-01-07 Richard Henderson <rth@redhat.com>
+
+ * Makefile.in (slibdir): New variable.
+ (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
+ (installdirs): Create slibdir.
+ (install-libgcc, install-multilib): Defer to libgcc.mk.
+ * configure.in (slibdir): Substitute.
+ * mklibgcc.in (install): New target.
+
+ * config/t-linux (SHLIB_LINK): Create links for the soname.
+ (SHLIB_INSTALL): New.
+ * config/alpha/t-osf4 (SHLIB_INSTALL): New.
+ * config/mips/t-iris6 (SHLIB_INSTALL): New.
+ * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
+ * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
+ * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
+
+2001-01-07 Richard Henderson <rth@redhat.com>
+
+ * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
+ * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
+ * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
+
+2001-01-07 Michael Hayes <mhayes@redhat.com>
+
+ * loop.c (count_loop_regs_set): Delete.
+ (load_mems_and_recount_loop_regs_set): Delete.
+ (loop_regs_scan): Merge common code from count_loop_regs_set,
+ scan_loop, and load_mems_and_recount_loop_regs_set.
+ (scan_loop): Call load_mems directly and loop_regs_scan
+ again if new registers created.
+
+2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * toplev.c (main): Call the front-end specific post_options
+ hook if one is given.
+ * toplev.h (struct_lang_hooks, lang_hooks): New.
+ * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
+ for the C front end.
+ * cp/decl2.c (cxx_post_options, lang_hooks): Implement
+ lang_hooks for the C++ front end.
+ * objc/objc-act.c (objc_post_options, lang_hooks): Implement
+ lang_hooks for the ObjC front end.
+ * f/com.c (lang_hooks): Hooks for the Fortran front end.
+ * java/lang.c (lang_hooks): Hooks for the Java front end.
+
+2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * c-lex.c (init_c_lex): Request #define / #undef callbacks
+ for verbose DWARF[2] debugging.
+ (cb_define, cb_undef): The new callbacks.
+ * toplev.h (debug_define, debug_undef): Make const correct.
+ * toplev.c (debug_define, debug_undef): Similarly. Do not
+ perform the verbosity tests here anymore.
+
+2001-01-07 Alexandre Oliva <aoliva@redhat.com>
+
+ * reload.c (subst_reloads): Take INSN argument. When
+ replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
+ * reload.h (subst_reloads): Adjust prototype.
+ * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
+ * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
+ present in JUMP_INSNs and copy them to JUMP_LABEL.
+ * flow.c (find_label_refs, find_basic_blocks_1): Skip
+ JUMP_INSNs and insns with REG_LABELs that are followed by
+ JUMP_INSNs with the same REG_LABEL.
+ * sched-rgn.c (is_cfg_nonregular): Likewise.
+ * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
+ note is available.
+ * unroll.c (unroll_loop): Look for REG_LABEL notes in
+ JUMP_INSNs too.
+ * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
+
+2001-01-06 Richard Henderson <rth@redhat.com>
+
+ * loop.c (scan_loop): Use xcalloc for the regs array.
+ (load_mems_and_recount_loop_regs_set): Zero the new memory
+ received from xrealloc.
+
+2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * mkdeps.c (deps_add_dep): Fix vector re-allocation.
+
+Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
+
+ * integrate.c (copy_rtx_and_substitute): When copying
+ an ignored return value, strip REG_FUNCTION_VALUE_P.
+
+2001-01-06 Michael Hayes <mhayes@redhat.com>
+
+ * loop.c (debug_biv, debug_giv): New.
+ (loop_biv_dump): Break out from ...
+ (record_biv): ... here.
+ (loop_giv_dump): Break out from ...
+ (record_giv): ... here.
+ (loop_bivs_check): Use print_simple_rtl.
+ * unroll.c (loop_iterations): Use print_simple_rtl.
+
+2001-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
+
+ * pa.md (return, return_internal): Modify patterns to prevent regrename
+ mucking with the return pointer.
+
+2001-01-05 Richard Henderson <rth@redhat.com>
+
+ * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
+
+Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
+
+ * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
+ version supplied by Matteo Frigo.
+
+2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cpp.texi: Update for -MQ.
+ * cppinit.c (cpp_create_reader): Always create pfile->deps.
+ (cpp_cleanup): Always free pfile->deps.
+ (initialize_dependency_output): Don't create pfile->deps.
+ (cpp_handle_option): Similarly.
+ (OPT_MQ): New.
+ * gcc.c (cpp_options): Handle -MQ.
+ (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
+ * mkdeps.c (base_name): Remove.
+ (deps_init): Don't allocate vector space until it's needed.
+ (deps_free): Only free vectors if allocated.
+ (deps_add_target, deps_add_dep): Update for initial allocation.
+ (deps_add_default_target): Don't strip to the base_name.
+
+2001-01-05 DJ Delorie <dj@redhat.com>
+
+ * config/v850/v850.h (RETURN_ADDR_RTX): Define.
+ (INIT_EXPANDERS): Define.
+
+ * config/v850/v850.c (struct machine_function): Define.
+ (v850_save_machine_status): New function.
+ (v850_restore_machine_status): New function.
+ (v850_return_addr): New function.
+ (v850_init_expanders): New function.
+
+ * config/v850/v850-protos.h: Add prototypes for v850_return_addr
+ and v850_init_expanders.
+
+2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
+
+ * cpplib.h (struct cpp_reader): Add help_only field.
+ * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
+ (cpp_handle_option): Set pfile->help_only if we see -h,
+ --help, -target-help, or --version. Print version string but
+ do not set help_only if we see -v or -version. Make text
+ printed by -v match that printed by (-)-version.
+
+ * cppmain.c (main): Exit after option parsing if
+ pfile->help_only is true.
+
+ * toplev.c (independent_decode_option): Call print_version,
+ then exit, if we see --version (but not -version).
+ (print_version): Split lengthy message into two lines.
+
+2001-01-05 Nick Clifton <nickc@redhat.com>
+
+ * config/v850/v850.c (v850_encode_data_area): Use alloca to create
+ temporary string for initialisation before calling ggc_alloc_string.
+
+2001-01-06 Michael Hayes <mhayes@redhat.com>
+
+ * rtl.h (print_simple_rtl): New.
+ * print-rtl.c (print_simple_rtl): New.
+ (flag_simple): New.
+ (print_rtx): Disable printing of flags and modes, etc.,
+ if `flag_simple` nonzero.
+
+2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
+
+ * function.c (fixup_var_refs): Use push_to_full_sequence where
+ possible.
+
+2001-01-05 Michael Meissner <meissner@redhat.com>
+
+ * flags.h (flag_reorder_blocks): Add declaration.
+ (flag_rename_block): Ditto.
+
+2001-01-05 DJ Delorie <dj@redhat.com>
+
+ * function.c (reorder_blocks): Make sure the flags are all reset
+ before using them to mark blocks, else a second invocation will
+ corrupt the block chain.
+ (reorder_blocks_0): New, resets the flags.
+
+Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
+
+ * cse.c (find_comparison_args): Stop if the argument is known to
+ be constant.
+
+2001-01-05 Alexandre Oliva <aoliva@redhat.com>
+
+ * config/sh/sh.md (movdf): When splitting load into pair of
+ registers, don't clobber the register used in the address too
+ early.
+
+2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
+
+ * varasm.c (mark_constant_pool): Improve initial comments.
+ (mark_constants): Move marking of constants to mark_constant.
+ (mark_constant): New function to recursively mark all constants
+ referred to by a constant.
+
+2001-01-05 Catherine Moore <clm@redhat.com>
+
+ * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
+
+2001-01-05 Phil Edwards <pme@sources.redhat.com>
+
+ * cp/lang-options.h: Bring comment in line with reality.
+ * f/lang-options.h: Likewise.
+ * java/lang-options.h: Likewise.
+ * objc/lang-options.h: Likewise.
+ * ch/lang-options.h: Likewise.
+ * f/g77.texi: And update the manual.
+
+2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
+ Denis Chertykov <denisc@overta.ru>
+
+ * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
+ * config/avr/avr.c (avr_peep2_scratch_safe): New function.
+ * config/avr/avr.md (all peepholes that request a scratch register):
+ Call it, FAIL the peephole if not safe (in interrupt functions).
+
+2001-01-05 Mark Mitchell <mark@codesourcery.com>
+
+ * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
+
+2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
+ Define.
+ * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
+ BUILT_IN_CREAL and BUILT_IN_CIMAG.
+ * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
+ conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
+ (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
+ BUILT_IN_CIMAG.
+ * extend.texi: Document these builtins.
+
+2001-01-05 Daniel Berlin <dberlin@redhat.com>
+
+ * c-common.c (lang_get_alias_set): Say we know nothing of
+ VECTOR_TYPE aliasing.
+
+ * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
+
+2001-01-05 Bruce Korb <bkorb@gnu.org>
+
+ * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
+ their x* equivalent versions for atexit-less systems
+ * fixinc/fixincl.c(main): do not return from main() on atexit-less
+ systems (or any other system any more).
+
+2001-01-05 Richard Earnshaw <rearnsha@arm.com>
+
+ * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
+ output operands. Use arm_hard_register_operand for operand 4.
+ (stmsi_postinc): Similarly.
+ (ldmsi): Use arm_hard_register_operand for opernand 2.
+ (stmsi): Similarly.
+ * arm.c (arm_hard_register_operand): New function.
+ * arm-protos.h (arm_hard_register_operand): Prototype it.
+
+ * arm.h (HARD_REGNO_RENAME_OK): Define.
+
+Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
+
+ * simplify-rtx.c (cfc_args): add "unordered" field.
+ (check_fold_consts): Set unordered field.
+ (simplify_relational_operation): Simplify the unordered
+ comparisons.
+
+ * reg-stack.c (swap_rtx_condition): Ensure that the transformation
+ is valid.
+
+ * emit-rtl.c (try_split): Fix code to mark labels.
+ * jump.c (mark_jump_label): Make global.
+ * rtl.h (mark_jump_label): Declare.
+
+ * predict.c (estimate_probability): Handle unordred comparisons.
+
+2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cpp.texi: Update for -MP. Clarify behavior of -MT.
+ * cppinit.c (initialize_dependency_output): Update.
+ (cpp_finish): Output dummy targets for -MP.
+ (OPT_MP): New.
+ (cpp_handle_option): Handle -MP. Don't quote -MT options.
+ * cpplib.h (struct cpp_options): Add deps_phony_targets.
+ * gcc.c (cpp_options): Update to handle -MP.
+ * mkdeps.c (deps_add_target, deps_add_default_target): Update
+ to quote only the default target.
+ (deps_phony_targets): Insert a preceding newline. Rename from
+ deps_dummy_targets for consistency.
+ * mkdeps.h: Update
+
+2001-01-05 Alexandre Oliva <aoliva@redhat.com>
+
+ * calls.c (emit_library_call_value_1): Support
+ INIT_CUMULATIVE_LIBCALL_ARGS.
+ * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
+
+2001-01-04 Richard Henderson <rth@redhat.com>
+
+ * c-decl.c (finish_struct): Detect flexible array members
+ used in an inappropriate context.
+ * c-typeck.c (really_start_incremental_init): Special case
+ constructor_max_index for zero length arrays.
+ (pop_init_level): Allow initialization of flexible array
+ members. Deprecate initialization of zero length arrays.
+ Don't issue missing initializer warning for flexible array
+ members or zero length arrays.
+ (process_init_element): Don't dereference null DECL_SIZE.
+ * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
+ Don't abort for empty constructors. Use size_binop
+ (output_constructor): Add commentary regarding zero length
+ array futures. Abort if we try to initialize an array of
+ unspecified length with a non-empty constructor in the middle
+ of a structure.
+
+ * extend.texi (Zero Length): Update and clarify documentation
+ on static initialization.
+
+2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
+ with more than 32767 words of local storage.
+
+2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
+
+ * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
+ for 'abs', 'labs', and 'fabs'.
+ (c4x_expand_builtin): Likewise.
+ * config/c4x/c4x.h (enum c4x_builtins): Likewise.
+
+2001-01-05 Alexandre Oliva <aoliva@redhat.com>
+
+ * config/sh/sh.md (prget, prset): New insn types.
+ (return delay slot): Don't allow prset.
+ (call, sfunc delay slot): Don't allow prget.
+ (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
+ for prset and prget.
+
+2001-01-05 Michael Hayes <mhayes@redhat.com>
+
+ * loop.h (struct loop_reg): New.
+ (struct loop_regs): Change to use array of `struct loop_reg'.
+ * loop.c: Replace assortment of varrays with single regs array.
+ (count_one_set): Delete may_not_move array argument
+ and use regs array instead. All caller's changed.
+ (count_loop_regs_set): Delete may_not_move and single_usage
+ arguments and use regs array instead. All caller's changed.
+ (find_single_use_in_loop): Replace usage array argument with pointer
+ to regs structure. All caller's changed.
+ (loop_optimize): Delete `moved_once' array.
+
+2001-01-05 Michael Hayes <mhayes@redhat.com>
+
+ * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
+ Use it instead of loop_info->has_call for scanning loop mems.
+ (check_dbra_loop): Replace loop_info->has_call test with
+ loop_info->has_nonconst_call.
+
+2001-01-04 Matthew Hiller <hiller@redhat.com>
+
+ * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
+ for TARGET_SH3E.
+
+2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
+ use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
+
+2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
+ (flag_short_double, flag_short_wchar): Define.
+ (c_common_nodes_and_builtins): Create many tree nodes shared
+ between C and C++ here instead of in cp/decl.c and ...
+ * c-decl.c (init_decl_processing): ... here.
+ (SIZE_TYPE, WCHAR_TYPE): Don't define.
+ (flag_short_double, flag_short_wchar): Don't define.
+ (record_builtin_type): New function.
+ (build_void_list_node): New function.
+ * c-common.h (flag_short_double, flag_short_wchar,
+ record_builtin_type, build_void_list_node): Declare.
+
+Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
+
+ * integrate.c (expand_inline_function): Don't put a virtual
+ register into the reg map.
+
+ * function.c (fixup_var_refs_1): If force_operand didn't put
+ the address into the target, move it there.
+
+2001-01-04 Mark Mitchell <mark@codesourcery.com>
+
+ Special-case tree_decl/tree_list allocations.
+ * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
+ (OBJECT_SIZE): New macro.
+ (NUM_EXTRA_ORDER): Likewise.
+ (extra_order_size_table): New variable.
+ (NUM_ORDERS): New macro.
+ (objects_per_page_table): New variable.
+ (object_size_table): New variable.
+ (G.pages): Use NUM_ORDERS to bound the array.
+ (G.page_tails): Likewise.
+ (DIV_ROUND_UP): Remove.
+ (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
+ (alloc_page): Use OBJECT_SIZE.
+ (size_lookup): Don't make it const.
+ (ggc_alloc): Use OBJECT_SIZE.
+ (ggc_set_mark): Likewise.
+ (ggc_get_size): Likewise.
+ (init_ggc): Set up the object_size_table, objects_per_page_table,
+ and adjust size_lookup.
+ (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
+ (ggc_pop_context): Use NUM_ORDERS.
+ (clear_marks): Likewise.
+ (sweep_pages): Likewise.
+ (poison_pages): Likewise.
+ (ggc_print_statistics): Use OBJECT_SIZE.
+
+Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
+ Only call array_size_for_constructor if last field and array type
+ with no upper bound.
+
+2001-01-04 Philip Blundell <philb@gnu.org>
+
+ * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
+ from bit 31 downwards, if this requires no more insns.
+ (count_insns_for_constant): New helper function for above.
+
+2001-01-04 Alexandre Oliva <aoliva@redhat.com>
+
+ * gencodes.c (output_predicate_decls): Remove empty initializer.
+
+2001-01-04 Mark Mitchell <mark@codesourcery.com>
+
+ * tree.c (copy_node): Remove documentation about obstacks.
+ (buidl1): Check that nobody tries to build 2-argument nodes this
+ way.
+
+2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
+ fp_high_losum_p.
+
+ * gencodes.c (output_predicate_decls): Fill empty initializer
+ braces.
+
+2001-01-04 Jakub Jelinek <jakub@redhat.com>
+
+ * tradcpp.c (deps_file, print_deps_missing_files): New variables.
+ (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
+ or -MM.
+ (do_include): Handle missing headers like cpp0.
+ * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
+ paths with first include pathname. Don't strcat to uninitialized
+ string.
+
+2001-01-04 Bernd Schmidt <bernds@redhat.com>
+
+ * regrename.c (regrename_optimize): Don't rename from frame pointer
+ if frame_pointer_needed.
+ (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
+ * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
+ (ia64_reorg): Use it instead of scheduling if ! optimize.
+ (errata_emit_nops): Properly call asm_noperands.
+ (ia64_sched_reorder): Finish cycle if we see an asm.
+ (ia64_variable_issue): Clear scheduling state after asms.
+
+2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
+
+ * cpp.texi: Update for -MT.
+ * cppinit.c (initialize_dependency_output): Add a default
+ target if none has been given already.
+ (no_tgt, OPT_MT): New.
+ (cpp_handle_option): Handle -MT. Update -M etc.
+ * cpplib.h (struct cpp_options): Remove deps_target.
+ * gcc.c (cpp_options): Handle -MT.
+ * mkdeps.c (struct deps): Move from mkdeps.h.
+ (deps_calc_target): Rename deps_add_default_target. Add a
+ default target if none has been specified already.
+ * mkdeps.h (struct deps): Move to mkdeps.c.
+ (deps_calc_target): Rename deps_add_default_target.
+
+2001-01-03 Richard Henderson <rth@redhat.com>
+
+ * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
+ Remove dead code.
+ * c-typeck.c (push_init_level): Move checks for flexible array
+ members and zero length arrays ...
+ (pop_init_level): ... here. Silently discard empty initializations.
+ Remove dead code.
+ * varasm.c (output_constructor): Update for sizeof change to
+ zero-length arrays.
+
+ * extend.texi (Zero Length): Clarify semantics.
+
+2001-01-03 Alexandre Oliva <aoliva@redhat.com>
+
+ * configure.in (tm.h): Include isns-codes.h last.
+ * configure: Rebuilt.
+
+2001-01-03 Richard Henderson <rth@redhat.com>
+
+ * config/alpha/alpha.md (addvsi3, addvdi3): New.
+ (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
+
+2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
+
+ * tradcpp.c (main): Make sure finclude() is called with a valid
+ indepth value while handling -include.
+
+2001-01-03 Alexandre Oliva <aoliva@redhat.com>
+
+ * gencodes.c (output_predicate_decls): New function.
+ (main): Call it.
+ * machmode.h (GET_MODE_MASK): Arrange for it to be defined
+ even if it is not the first time machmode.h is #included.
+ * config/sh/sh.c (fpul_operand): Declare MODE argument.
+ * tm.texi (PREDICATE_CODES): Document predicate declarations.
+ * gcc.texi (Copyright): Added 2001.
+
+2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * c-common.c (c_common_lang_init): New function. Warn if format
+ warning options which only have effects when used with -Wformat
+ are used without -Wformat.
+ * c-common.h (c_common_lang_init): Declare.
+ * c-lang.c (lang_init): Call c_common_lang_init.
+ * objc/objc-act.c (lang_init): Call c_common_lang_init.
+
+2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * configure.in: Check for the mktemp command.
+ * configure: Regenerate.
+ * gccbug.in: Use a separate temporary file $TEMP0 for one use of
+ $TEMP. Create temporary files with mktemp, if available at
+ configure time; otherwise use set -C. Remove temporary files
+ before exit.
+
+2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
+
+ * configure.in: Require at least texinfo 4.0. Check for whether
+ Pod::Man is sufficiently recent to regenerate GCC manpages.
+ * configure: Regenerate.
+ * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
+ on #!.
+ (GENERATED_MANPAGES): Define.
+ (generated-manpages): New target. Depend on cpp.1 as well as
+ gcov.1.
+ (install-man): Depend on $(GENERATED_MANPAGES) (defined by
+ configure to generated-manpages or empty) rather than on the
+ manpages directly. Remove execute permission from installed
+ gcov.1 as well as cpp.1.
+ * cpp.1, gcov.1: Regenerate.
+
+2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * builtins.c (expand_builtin_strncmp): Use host_integerp and
+ tree_low_cst. Allow using cmpstrsi in more cases.
+
+Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
+ sized types.
+
+Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
+
+ * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
+ * Makefile.in (HOST_CFLAGS): Mention build-make.
+
+Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
+ as JUMP_INSN.
+
+2001-01-01 Bernd Schmidt <bernds@redhat.com>
+
+ * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
+ a REG rtx.
+
+ * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
+ callers changed.
+
+ * alias.c (throughout): Use ORIGINAL_REGNO when accessing
+ reg_base_value and reg_known_value arrays.
+ (init_alias_analysis): Add more cases to detect known values.
+ * sched-deps.c (deps_may_trap_p): New function.
+ (sched_analyze_2): Use it.
+
+2001-01-03 Alexandre Oliva <aoliva@redhat.com>
+
+ * combine.c (simplify_shift_const): Even if we're sign-extracting,
+ don't discard an ASHIFTRT if we're shifting in a wider mode.
+
+2001-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
+
+ * toplev.c (rest_of_compilation): Don't print basic block information
+ when CFG isn't up to date.
+
+2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
+
+ * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
+ (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
+ (UNALIGNED_SHORT_ASM_OP): Define.
+ (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
+
+2001-01-02 Mark Mitchell <mark@codesourcery.com>
+
+ * fold-const.c (fold_convert): Fix typo.
+
+2001-01-02 Richard Henderson <rth@redhat.com>
+
+ * c-common.h (ASM_INPUT_P): New.
+ * c-parse.in (asm): Set it when needed.
+ * c-semantics.c (genrtl_asm_stmt): Test it instead of the
+ existence of an operand.
+
+Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
+
+ * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
+ (dwarf2out_frame_debug_expr): Likewise.
+ (mem_loc_descriptor): Handle PRE and POST_MODIFY.
+
+Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
+
+ * i386.c (ix86_split_to_parts): Return number of part required;
+ handle TFmodes.
+ (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
+ TFmodes.
+ (ix86_split_long_move): Use number of part returned
+ by ix86_split_to_parts
+ * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
+ New macros.
+ (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
+ (LONG_DOUBLE_TYPE_SIZE): Change from constant.
+ (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
+ (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
+ (ALIGN_MODE_128): Add TFmode.
+ (IS_STACK_MODE): Likewise.
+ (HARD_REGNO_NREGS): TFmode needs 3 registers.
+ (HARD_REGNO_OK): Support TFmodes.
+ (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
+ * i386.md (scheduler definitions): Use memory operand to determine
+ fst/fld instructions; use mode attribute to determine real mode of
+ the instruction.
+ (*tf): New patterns, expanders and splitters; based on XFmode patterns.
+ * invoke.texi (128bit-long-double, 96bit-long-double): Document.
+
+2001-01-02 Mark Mitchell <mark@codesourcery.com>
+
+ * tree.def (TRUTH_NOT_EXPR): Improve documentation.
+
+Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
+
+ * expr.c (store_constructor_field): Update ALIGN before calling
+ store_constructor.
+
+2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
+
+ * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
+ host_integerp.
+
+2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
+
+ * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
+ incomplete type.
+
+Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
+
+ * c-decl.c (start_function): Don't warn on third parameter to main.
+
+2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * tsystem.h: Define HAVE_DECL_GETOPT.
+
+2001-01-02 Philip Blundell <pb@futuretv.com>
+
+ * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
+ of input operand.
+
+2001-01-02 Richard Henderson <rth@redhat.com>
+
+ * alpha.md (*ze_and_ne): Duplicate insn condition to split.
+
+2001-01-02 Andreas Jaeger <aj@suse.de>
+
+ * c-decl.c (c_decode_option): Remove support of
+ -Wmissing-noreturn.
+
+ * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
+ (W_options): Add -Wmissing-noreturn here.
+
+ * flow.c: Define lang_missing_noreturn_ok_p.
+ (check_function_return_warnings): Use it.
+
+ * c-common.h: Declare lang_missing_noreturn_ok_p.
+
+ * c-lang.c (c_missing_noreturn_ok_p): New function.
+ (lang_init): Set lang_missing_noreturn_ok_p.
+
+ * invoke.texi (Warning Options): Document this.
+
+2000-12-27 Phil Edwards <pme@sources.redhat.com>
+
+ * extend.texi (C++ Extensions): New node for C++ attributes;
+ describe init_priority and com_interface.
+ * invoke.texi: Remove -finit-priority as it now has zero effect.
+ * install.texi: Fix xref syntax.
+ * md.texi: Likewise.
+
+Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * config.gcc (sparc64-wrs-vxworks*): New case.
+ * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
+
+ * config/sparc/sparc.c (sparc_override_options): Do support different
+ pointer and architecture size.
+ * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
+ (POINTERS_EXTEND_UNSIGNED): Define.
+ (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
+ (FUNCTION_MODE): Define to be Pmode.
+ * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
+
+ * function.c (expand_function_end): Properly handle DECL_RESULT
+ and copy when ptr_mode != Pmode.
+ * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
+
+2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * c-common.c (c_common_nodes_and_builtins): Set prototype
+ parameters for __builtin_fputs, __builtin_fputc and
+ __builtin_fwrite. Don't declare plain fputc as a builtin.
+
+2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
+
+ * loop.c (add_label_notes): Increment the label usage count when
+ a note is added to an insn which refers to a CODE_LABEL.
+ * gcse.c (add_label_notes): Likewise.
+
+2001-01-01 Andreas Jaeger <aj@suse.de>
+
+ * loop.c (scan_loop): Use xmalloc to allocate movables.
+
+2001-01-01 Alexandre Oliva <aoliva@redhat.com>
+
+ * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
+ * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
+ * reload1.c (REGISTER_MOVE_COST): Likewise.
+ * regclass.c (REGISTER_MOVE_COST): Likewise.
+ (move_cost, may_move_in_cost, may_move_out_cost): Add mode
+ dimension. Adjust all users.
+ (init_reg_sets_1): Iterate on all modes.
+ * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
+ * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
+ * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
+ * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
+ * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
+ * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
+ * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
+ * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
+ * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
+ * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
+ * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
+ * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
+ * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
+ * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
+ * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
+ * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
+ * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
+ * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
+ * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
+ * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
+ * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
+ * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
+ * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
+ * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
+ * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
+ * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
+ * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
+
+2001-01-01 Bernd Schmidt <bernds@redhat.com>
+
+ * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
+ arg VARIES_P. Call it with extra arg.
+ (true_dependence): Likewise.
+ * rtl.h (rtx_addr_can_trap_p): Declare.
+ (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
+ prototypes.
+ * rtlanal.c (rtx_addr_can_trap_p): No longer static.
+ (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
+ pic offset table register if it's zero. All callers changed.
+ (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
+
+Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * explow.c (convert_memory_address, case SYMBOL_REF): Copy
+ STRING_POOL_ADDRESS_P.
+
+ * config/sparc/sparc.c (input_operand): Properly test for short op.
+
+ * config.gcc (sparc-*-elf): Include sparc/sol2.h.
+ (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
+ (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
+ * config/sparc/elf.h: No longer include sol2.h.
+ * config/sparc/lifeelf.h: No longer include sparc/elf.h.
+ * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
+
+ * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
+
+2001-01-01 Michael Hayes <mhayes@redhat.com>
+
+ * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
+ (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
+ (record_initial): Likewise.
+ * unroll.c (copy_loop_body, loop_iterations): Likewise.
+ (remap_split_bivs): Likewise.
+
+2001-01-01 Michael Hayes <mhayes@redhat.com>
+
+ * loop.c (loop_ivs_free): New function.
+ (strength_reduce): Break out from...
+
+2001-01-01 Michael Hayes <mhayes@redhat.com>
+
+ * loop.h (struct iv): New.
+ (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
+ (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
+ 'reg_biv_class' fields with 'regs' and 'n_regs'.
+ (struct ivs): Rename 'loop_iv_list' field to 'list'.
+ * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
+ * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
+
+2001-01-01 Michael Hayes <mhayes@redhat.com>
+
+ * loop.h (REG_IV_CLASS): New accessor macro.
+ * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
+ * unroll.c (REG_IV_CLASS): Likewise.
+
+
+Copyright (C) 2001 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.