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Diffstat (limited to 'gcc/ChangeLog-1998')
| -rw-r--r-- | gcc/ChangeLog-1998 | 17623 |
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diff --git a/gcc/ChangeLog-1998 b/gcc/ChangeLog-1998 new file mode 100644 index 000000000..9657d833c --- /dev/null +++ b/gcc/ChangeLog-1998 @@ -0,0 +1,17623 @@ +Wed Dec 30 23:38:55 1998 Jeffrey A Law (law@cygnus.com) + + * m68k.md (adddi_dilshr32): Allow all operands to be registers too. + (adddi_dishl32): Similarly. + + * cse.c (invalidate_skipped_block): Call invalidate_from_clobbers + for each insn in the skipped block. + + * reload1.c (reload_as_needed): Verify that the insn satisfies its + constraints after replacing a register address with an autoincrement + address for reload inheritance purposes. + + * i386.md (doubleword shifts): Avoid namespace pollution. + +Wed Dec 30 23:00:28 1998 David O'Brien <obrien@NUXI.com> + + * configure.in (FreeBSD ELF): Needs special crt files. + +Wed Dec 30 22:50:13 1998 Geoffrey Noer <noer@cygnus.com> + + * i386/xm-cygwin.h: Change DIR_SEPARATOR to forward slash. + +1998-12-30 Andreas Schwab <schwab@issan.cs.uni-dortmund.de> + + * loop.c (check_dbra_loop): While reversing the loop, if the + comparison value has a VOID mode use the mode of the other operand + to compute the mask. + +Wed Dec 30 22:24:00 1998 Michael Meissner <meissner@cygnus.com> + + * rs6000.md ({save,restore}_stack_function): Take 2 operands to + avoid warnings in compiling explow.c. + + (patch from Ken Raeburn, raeburn@cygnus.com) + * rs6000.c (rs6000_stack_info): Force 8-byte alignment of + fpmem_offset. Compute total size after that, and then + rs6000_fpmem_offset using both values. + +Mon Dec 28 19:26:32 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at> + + * gcc.texi (Non-bugs): ``Empty'' loops will be optimized away in + the future; indeed that already happens in some cases. + +Tue Dec 29 11:58:53 1998 Richard Henderson <rth@cygnus.com> + + * sparc.c (input_operand): Recognize (const (constant_p_rtx)). + (arith_operand): Remove constant_p_rtx handling. + (const64_operand, const64_high_operand): Likewise. + (arith11_operand, arith10_operand, arith_double_operand): Likewise. + (arith11_double_operand, arith10_double_operand, small_int): Likewise. + (small_int_or_double, uns_small_int, zero_operand): Likewise. + * sparc.h (PREDICATE_CODES): Likewise. + + * rtl.h (CONSTANT_P): Remove CONSTANT_P_RTX. + +Tue Dec 29 11:32:54 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * rtl.def (CONSTANT_P_RTX): Clarify commentary. + * expr.c (expand_builtin, case BUILT_IN_CONSTANT_P): Rework to + consider constant CONSTRUCTOR constant and to defer some cases + to cse. + * cse.c (fold_rtx, case CONST): Add handling for CONSTANT_P_RTX. + * regclass.c (reg_scan_mark_refs, case CONST): Likewise. + +Tue Dec 29 11:30:10 1998 Richard Henderson <rth@cygnus.com> + + * expr.c (init_expr_once): Kill can_handle_constant_p recognition. + * cse.c (fold_rtx, case 'x'): Remove standalone CONSTANT_P_RTX code. + + * alpha.c (reg_or_6bit_operand): Remove CONSTANT_P_RTX handling. + (reg_or_8bit_operand, cint8_operand, add_operand): Likewise. + (sext_add_operand, and_operand, or_operand): Likewise. + (reg_or_cint_operand, some_operand, input_operand): Likewise. + * alpha.h (PREDICATE_CODES): Likewise. + +Sat Dec 26 23:26:26 1998 Jeff Law (law@cygnus.com) + + * version.c: Bump for snapshot. + +Sat Dec 26 09:17:04 1998 Jeffrey A Law (law@cygnus.com) + + * gengenrtl.c (gencode): Always use bzero to clear memory instead + of dangerous casts and stores. + + * Makefile.in (compare, gnucompare): Add missing else true clauses. + +Fri Dec 25 23:00:56 1998 Jeffrey A Law (law@cygnus.com) + + * alpha.md (builtin_longjmp): Add missing "DONE". + +Thu Dec 24 10:39:57 1998 Stan Cox <scox@cygnus.com> + + * gcc.c (execute): Enable -pipe with win32. + +Wed Dec 23 10:27:44 1998 Nick Clifton <nickc@cygnus.com> + + * config/arm/t-arm-elf: Add multiplib option for leading + underscores. + + * config/arm/thumb.h (ASM_OUTPUT_LABELREF): Use variable + 'user_label_prefix' rather than macro USER_LABEL_PREFIX. + + (thumb_shiftable_const): Use macro 'BASE_REG_CLASS' rather + than variable 'reload_address_base_reg_class'. [Note this + change is unrelated to the others in this patch]. + + * config/arm/unknown-elf.h (USER_LABEL_PREFIX): Default to no + leading underscore. + +Wed Dec 23 09:51:32 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * alias.c (record_alias_subset): Remove ignored `&'. + (init_alias_once): Likewise. + + * c-lex.c (UNGETC): Cast first argument of comma expression to void. + + * config/mips/mips.c (mips_asm_file_end): Cast the result of + fwrite to `int' when comparing against one. + + * config/mips/mips.h (CAN_ELIMINATE): Add parens around && within ||. + (INITIAL_ELIMINATION_OFFSET): Add braces to avoid ambiguous `else'. + + * cse.c (rehash_using_reg): Change type of variable `i' to + unsigned int. + + * dwarf2out.c (initial_return_save): Cast -1 to unsigned before + assigning it to one. + + * except.c (duplicate_eh_handlers): Remove unused variable `tmp'. + + * final.c (final_scan_insn): Likewise for variable `i'. + (output_asm_insn): Cast a char to unsigned char when used as an + array index. + + * gcse.c (compute_pre_ppinout): Cast -1 to SBITMAP_ELT_TYPE when + assigning it to one. + + * loop.c (strength_reduce): Remove unused variables `count' and `temp'. + + * recog.c (preprocess_constraints): Cast a char to unsigned char + when used as an array index. + + * regmove.c (find_matches): Likewise. + + * reload1.c (calculate_needs): Add default case in switch. + (eliminate_regs_in_insn): Initialize variable `offset'. + (set_offsets_for_label): Change type of variable `i' to unsigned. + (reload_as_needed): Wrap variable `i' in macro check on + AUTO_INC_DEC || INSN_CLOBBERS_REGNO_P. + + * scan-decls.c (scan_decls): Mark parameters `argc' and `argv' + with ATTRIBUTE_UNUSED. Cast variable `start_written' to size_t + when comparing against one. + + * stor-layout.c (layout_decl): Cast maximum_field_alignment to + unsigned when comparing against one. Likewise for + GET_MODE_ALIGNMENT(). + (layout_record): Cast record_align to int when comparing against a + signed value. + (layout_type): Cast TYPE_ALIGN() to int when comparing against a + signed value. + + * tree.c (get_identifier): Cast variable `len' to unsigned when + comparing against one. + (maybe_get_identifier): Likewise + +Wed Dec 23 00:10:01 1998 Jeffrey A Law (law@cygnus.com) + + * toplev.c (rest_of_compilation): Do not set reload_completed. + * reload1.c (reload): Set reload_completed before calling + cleanup_subreg_operands. + +Tue Dec 22 23:58:31 1998 Richard Henderson <rth@cygnus.com> + + * reload1.c (emit_reload_insns): Check `set' not null before use. + +Tue Dec 22 15:15:45 1998 Nick Clifton <nickc@cygnus.com> + + * rtlanal.c (multiple_sets): Change type of 'found' from 'rtx' to + 'int'. + +Tue Dec 22 13:55:44 1998 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr> + + * halfpic.c (half_pic_encode): Delete redundant code. + +Tue Dec 22 13:02:22 1998 Michael Meissner <meissner@cygnus.com> + + * toplev.c (main): Delete handling of -dM as a preprocessor + option. + +Mon Dec 21 17:39:38 1998 Michael Meissner <meissner@cygnus.com> + + * toplev.c (main): Don't emit any warnings when using -dD, -dM, or + -dI, which are handled by the preprocessor. + +Sun Dec 20 16:13:44 1998 John F. Carr <jfc@mit.edu> + + * configure.in: Handle Digital UNIX 5.x the same as 4.x. + * i386/sol2.h: Define LOCAL_LABEL_PREFIX as ".". + +Sun Dec 20 07:39:52 1998 Jeff Law (law@cygnus.com) + + * version.c: Bump for snapshot. + +Sat Dec 19 22:24:22 1998 Jeff Law (law@cygnus.com) + + * version.c: Bump for snapshot. + +Sat Dec 19 21:41:32 1998 Jeff Law (law@cygnus.com) + + * version.c: Bump for snapshot. + +Sat Dec 19 09:52:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * genattr.c (fatal): Qualify a char* with the `const' keyword. + + * genattrtab.c (fatal, attr_printf, attr_string, write_attr_set, + write_unit_name, write_eligible_delay, expand_units, + make_length_attrs, write_attr_case, find_attr, + make_internal_attr): Likewise. + * gencheck.c (tree_codes): Likewise. + * gencodes.c (fatal): Likewise. + * genconfig.c (fatal): Likewise. + * genemit.c (fatal): Likewise. + * genextract.c (fatal, walk_rtx, copystr): Likewise. + * genflags.c (fatal): Likewise. + * genopinit.c (fatal, optabs, gen_insn): Likewise. + * genoutput.c (fatal, error, predicates): Likewise. + * genpeep.c (fatal): Likewise. + * genrecog.c (fatal, decision, pred_table, add_to_sequence, + write_tree_1, write_tree, change_state, copystr, indents): Likewise. + +Thu Dec 17 18:21:49 1998 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> + + * configure.in (with-fast-fixincludes): Fix whitespace. + * configure: Rebuilt. + + * fixincludes (c_asm.h): Wrap Digital UNIX V4.0B DEC C specific + asm() etc. function declarations in __DECC. + +Thu Dec 17 13:57:23 1998 Nick Clifton <nickc@cygnus.com> + + * expr.c (emit_move_insn_1): Only emit a clobber if the target + is a pseudo register. + +Thu Dec 17 13:50:29 1998 Nick Clifton <nickc@cygnus.com> + + * gcse.c: Include expr.h in order to get the prototype for + get_condition() which is used in delete_null_pointer_checks(). + +Thu Dec 17 15:58:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * hwint.h: New file to consolidate HOST_WIDE_INT (etc) macros. + +Thu Dec 17 12:31:12 1998 Jim Wilson <wilson@cygnus.com> + + * Makefile.in (INTERNAL_CFLAGS): Add SCHED_CFLAGS. + (ALL_CFLAGS): Delete SCHED_CFLAGS. + +1998-12-17 Vladimir N. Makarov <vmakarov@cygnus.com> + + * config/i60/i960.md (extendqihi2): Fix typo (usage ',' instead of + ';'). + +1998-12-17 Michael Tiemann <tiemann@axon.cygnus.com> + + * i960.md (extend*, zero_extend*): Don't generate rtl that looks + like (subreg:SI (reg:SI N) 0), because it's wrong, and it hides + optimizations from the combiner. + +Thu Dec 17 08:27:03 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * loop.c (combine_givs_used_by_other): Don't depend on n_times_set. + +Wed Dec 16 17:30:35 1998 Nick Clifton <nickc@cygnus.com> + + * toplev.c (main): Disable optimize_size if a specific + optimization level is requested. Always set optimization + level to 2 if -Os is specified. + +Wed Dec 16 16:33:04 1998 Dave Brolley <brolley@cygnus.com> + + * objc/lang-specs.h: Pass -MD, -MMD and -MG to cc1obj if configured with + cpplib. + * cpplib.c (cpp_start_read): If in_fname is not initialized, try to + initialize it using fname. + +1998-12-16 Zack Weinberg <zack@rabi.phys.columbia.edu> + + * cpplib.c (do_include): Treat #include_next in the + primary source file as #include plus warning. Treat + #include_next in a file included by absolute path as an + error. fp == CPP_NULL_BUFFER is a fatal inconsistency. + +Wed Dec 16 12:28:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * cccp.c: Don't define MIN/MAX anymore. + * cpplib.c: Likewise. + * machmode.h: Likewise. + * system.h: Provide definitions for MIN/MAX. + +Tue Dec 15 23:47:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu> + + * fix-header.c: Don't define xstrdup here. + +Wed Dec 16 05:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * loop.c (consec_sets_giv): New argument last_consec_insn. + (strength_reduce): Provide / use it. + +Wed Dec 16 17:24:07 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + + * loop.h (loop_info): New field 'vtop'. + * loop.c (check_dbra_loop): Use loop_info->vtop rather than + scanning loop for vtop. + * unroll.c (subtract_reg_term, find_common_reg_term): New functions. + (loop_iterations): Use them to determine if loop has a constant + number of iterations. Set loop_info->vtop. Don't subtract + common reg term from initial_value and final_value if have a + do-while loop. + +Tue Dec 15 13:49:55 1998 Jeffrey A Law (law@cygnus.com) + + * mn10200.md (addsi3 expander): Use "nonmemory_operand" for operand 2. + + * mn10300.md (bset, bclr): Operand 0 is a read/write operand. + + * mn10200.md (abssf2, negsf2): New expanders. + + * mn10300.md (absdf2, abssf2, negdf2, negsf2): New expanders. + +Tue Dec 15 11:55:30 1998 Nick Clifton <nickc@cygnus.com> + + * integrate.c (copy_rtx_and_substitute): If a SUBREG is + replaced by a CONCAT whose components do not have the same + mode as the original SUBREG, use a new SUBREG to restore the + mode. + + * emit-rtl.c (subreg_realpart_p): Cope with subregs containing + multiword complex values. + +1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu> + + * cppalloc.c: Add xstrdup here. + * cpplib.h: Remove savestring prototype. + * cpplib.c: Remove savestring function. s/savestring/xstrdup/ + throughout. + * cppfiles.c: s/savestring/xstrdup/ throughout. + +1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu> + + * cpplib.c: Make all directive handlers read their own + arguments. + (struct directive): Remove last two arguments from FUNC + member prototype. Remove `command_reads_line' member + entirely. + (directive_table): Remove initializations of + command_reads_line flag. Pretty-print. + (eval_if_expression, do_define, do_line, do_include, + do_undef, do_error, do_pragma, do_ident, do_if, do_xifdef, + do_else, do_elif, do_sccs, do_assert, do_unassert, + do_warning): Take only two args. + + (cpp_define): Call do_define with two args and the text to + define stuffed into a buffer. + (make_assertion): Call do_assert with two args. + (handle_directive): Call do_line with two args. Call + kt->func with two args. Remove command_reads_line + processing. + (do_define, do_undef, do_error, do_warning, do_pragma, + do_sccs): Read the rest of the line here. + (do_ident): Gobble rest of line, as cccp does. + (cpp_undef): New function. + (cpp_start_read): Call cpp_undef instead of do_undef. + +1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu> + + * cpphash.h (union hash_value): Remove `keydef' member, add a + `struct hashnode *aschain' member for #assert. + + * cpplib.c (struct tokenlist_list, struct + assertion_hashnode): Delete structure definitions. + (assertion_install, assertion_lookup, delete_assertion, + check_assertion, compare_token_lists, reverse_token_list, + read_token_list, free_token_list): Delete functions. + (parse_assertion): New function. + (cpp_cleanup): Don't destroy the assertion_hashtable. + + (do_assert): Gut and rewrite. #assert foo (bar) places + entries for `#foo' and `#foo(bar)' in the macro hash table, + type T_ASSERT. The value union's `aschain' member is used + to chain all answers for a given predicate together. + (do_unassert): Also rewritten. Take an un-asserted + answer off the chain from its predicate and call + delete_macro on the hashnode, or walk a predicate chain + calling delete_macro on all the entries. + (cpp_read_check_assertion): Simply call parse_assertion to + get the canonical assertion name, and look that up in the + hash table. + + * cpplib.h (ASSERTION_HASHNODE,ASSERTION_HASHSIZE,assertion_hashtab): + Removed. + + * cpphash.c (install): Use bcopy instead of an explicit loop + to copy the macro name. + + * cppexp.c (cpp_lex): Convert the result of + cpp_read_check_assertion to a `struct operation' directly; + don't go through parse_number. + +Tue Dec 15 18:27:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * loop.h (struct induction): Delete times_used member. + * loop.c (n_times_set): Rename to set_in_loop. Changed all users. + (n_times_used): Rename to n_times_set. Changed all users. + (scan_loop): Free reg_single_usage before strength reduction. + (record_giv, combine_givs): Remove handling of times_used member. + (combine_givs_used_once): Rename to: + (combine_givs_used_by_other) . Changed all callers. + +Tue Dec 15 01:45:26 1998 Jason Merrill <jason@yorick.cygnus.com> + + * dwarf2out.c (gen_struct_or_union_type_die): Check AGGREGATE_TYPE_P + instead of TREE_CODE_CLASS == 't'. + (gen_type_die): Likewise. + (scope_die_for): Ignore FUNCTION_TYPE "scopes". + +Mon Dec 14 16:23:27 1998 Jim Wilson <wilson@cygnus.com> + + * real.c (endian): Disable last change unless + HOST_BITS_PER_WIDE_INT is greater than 32. + +Mon Dec 14 17:13:36 1998 Andrew MacLeod <amacleod@cygnus.com> + + * output.h (force_data_section): New prototype. + * varasm.c (force_data_section): New function to force the + data section, regardless of what in_section thinks. + * dwarf2out.c (output_call_frame_info): Call force_data_section + since varasm may not realize we've changes sections. + +Mon Dec 14 14:09:34 1998 Nick Clifton <nickc@cygnus.com> + + * reload1.c (reload): Delete REG_RETVAL and REG_LIBCALL notes + after completing reload. + + * rtl.texi: Document that REG_RETVAL and REG_LIBCALL are + deleted after reload. + +Mon Dec 14 01:39:28 1998 Jeffrey A Law (law@cygnus.com) + + * rtl.h (multiple_sets): Fix prototype. + * rtlanal.c (multiple_sets): Fix return type. + +Sun Dec 13 12:43:58 1998 Jeff Law (law@cygnus.com) + + * version.c: Bump for snapshot. + +Sun Dec 13 01:05:22 1998 Jeff Law (law@cygnus.com) + + * version.c: Bump for snapshot. + +1998-12-13 Manfred Hollstein <manfred@s-direktnet.de> + + * protoize.c (fputs): Wrap extern declaration in #ifndef fputs. + +Sun Dec 13 00:24:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * rtl.h (recompute_reg_usage): Add second argument. + * flow.c (recompute_reg_usage): Likewise. + * toplev.c (rest_of_compilation): Supply second argument to + recompute_reg_usage. + + * reload1.c (compute_use_by_pseudos): Allow reg_renumber[regno] < 0 + after reload. + +Sat Dec 12 23:39:10 1998 Jeffrey A Law (law@cygnus.com) + + * m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcpu32. + (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000. + (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000, + mcpu32 or m5200. + + * i386/next.h (ASM_OUTPUT_ALIGN): Use 0x90 for fill character. + + * rtlanal.c (multiple_sets): New function. + * rtl.h (multiple_sets): Declare it. + * local-alloc.c (wipe_dead_reg): Use it. + * global.c (global_conflicts): Likewise. + +Sat Dec 12 22:13:02 1998 Mark Mitchell <mark@markmitchell.com> + + * global.c (record_conflicts): Don't use an array of shorts to + store an array of ints. + (global_conflicts): Likewise. + +Sat Dec 12 16:49:24 1998 Richard Henderson <rth@cygnus.com> + + * alpha.c (alpha_expand_block_move): mode_for_size expects + bits, not bytes. Infer extra alignment from addressof. + +1998-12-11 Michael Meissner <meissner@cygnus.com> + + * rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Put small data in the + .sbss section, not .sdata. + +1998-12-11 Manfred Hollstein <manfred@s-direktnet.de> + + * cccp.c: Do not #include <sys/stat.h> here; this is already done + by "system.h". + * collect2.c: Likewise. + * cpplib.h: Likewise. + * gcc.c: Likewise. + * gcov.c: Likewise. + * getpwd.c: Likewise. + * protoize.c: Likewise. + * toplev.c: Likewise. + + * cpplib.h (HOST_WIDE_INT): Get definition from "machmode.h" + and don't try to define it here. + * Makefile.in (cppmain.o): Depend on machmode.h. + (cpplib.o): Likewise. + (cpperror.o): Likewise. + (cppexp.o): Likewise. + (cppfiles.o): Likewise. + (cpphash.o): Likewise. + (cppalloc.o): Likewise. + (fix-header.o): Likewise. + (scan-decls.o): Likewise. + +Fri Dec 11 11:02:49 1998 Stan Cox <scox@cygnus.com> + + * sh.c (print_operand): Lookup interrupt_handler attribute instead + of relying on static variable. + * (calc_live_regs): Likewise. + * (sh_pragma_insert_attributes): Create interrupt_handler + attribute if a pragma was specified. + * (sh_valid_machine_decl_attribute): Don't set static flag. + * sh.h (PRAGMA_INSERT_ATTRIBUTES): New. + +Fri Dec 11 12:56:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * reload1.c (reload_combine): Use BASIC_BLOCK_LIVE_AT_START + to determine if a register is live at a jump destination. + Everything is dead at a BARRIER. + +Thu Dec 10 16:02:06 1998 Jim Wilson <wilson@cygnus.com> + + * cse.c (simplify_unary_operation): Sign-extend constants when + they have the most significant bit set for the target. + * real.c (endian): Sign-extend 32 bit output values on a 64 bit + host. + * m32r/m32r.c (m32r_expand_prologue): Store pretend_size in + HOST_WIDE_INT temporary before negating it. + * m32r/m32r.md (movsi_insn+1): Use ~0xffff instead of 0xffff0000. + +Thu Dec 10 15:05:59 1998 Dave Brolley <brolley@cygnus.com> + + * objc/objc-act.c (lang_init_options): Enclose cpplib related code in + #if USE_CPPLIB. + +Thu Dec 10 13:39:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * collect2.h: New header file for prototypes. + + * Makefile.in (collect2.o, tlink.o): Depend on collect2.h. + + * collect2.c: Include collect2.h. + * tlink.c: Likewise. + +Wed Dec 9 23:55:11 1998 Jeffrey A Law (law@cygnus.com) + + * flow.c: Update some comments. + +Wed Dec 9 15:29:26 1998 Dave Brolley <brolley@cygnus.com> + + * objc/objc-act.c (cpp_initialized): Removed. + (lang_init_options): Initialize cpplib. + (lang_decode_option): Move initialization of cpplib to + lang_init_options. + * c-lang.c (parse_options,parse_in): Added. + (lang_init_options): Initialized cpplib here. + * c-decl.c (parse_options,cpp_initialized): Removed. + (c_decode_option): Move initialization of cpplib to + lang_init_options. + +Wed Dec 9 19:36:57 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * reload1.c (reload_combine, reload_combine_note_store): + Make STORE_RUID always valid. + (reload_combine): Check if BASE is clobbered too early. + +Wed Dec 9 09:53:58 1998 Nick Clifton <nickc@cygnus.com> + + * reload.c (find_reloads): Display the insn that cannot be + reloaded. + +Wed Dec 9 12:15:26 1998 Dave Brolley <brolley@cygnus.com> + + * cccp.c (create_definition): Fix end of buffer logic. + +Wed Dec 9 10:15:45 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * except.c (duplicate_eh_handlers, rethrow_symbol_map): Function + pointer parameters changed to use the PARAMS() macro. + +Wed Dec 9 09:12:40 1998 Andrew MacLeod <amacleod@cygnus.com> + + * except.h (struct handler_info): Add handler_number field. + * except.c (gen_exception_label): EH labels no longer need to be + on the permanent obstack. + (get_new_handler): Set the label number field. + (output_exception_table_entry): Regenerate handler label reference + from the label number field. + (init_eh): Remove a blank line. + * integrate.c (get_label_from_map): Labels no longer need to be + on the permanent obstack. + +Tue Dec 8 22:04:33 1998 Jim Wilson <wilson@cygnus.com> + + * i960/i960.h (CONST_COSTS, case CONST_INT): Accept power2_operand + only when OUTER_CODE is SET. + +Tue Dec 8 22:47:15 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * loop.c (strength_reduce): If scan_start points to the loop exit + test, be wary of subversive use of gotos inside expression statements. + Don't set maybe_multiple for a backward jump that does not + include the label under consideration into its range. + * unroll.c (biv_total_increment): Make use of maybe_multiple field. + +Tue Dec 8 22:33:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * explow.c (plus_constant_wide): Don't immediately return with + result of recursive call. + +Tue Dec 8 15:32:56 1998 Andrew MacLeod <amacleod@cygnus.com> + + * eh-common.h (struct eh_context): Add table_index for rethrows. + + * rtl.h (enum reg_note): Add REG_EH_REGION and REG_EH_RETHROW reg notes. + (SYMBOL_REF_NEED_ADJUST): New flag indicating symbol needs to be + processed when inlined or unrolled (ie duplicated in some way). + + * rtl.c (reg_note_name): Add strings for new reg_note enums. + + * expr.h (rethrow_libfunc): New library decl. + + * optabs.c (rethrow_libfunc): Initialize. + + * except.h (struct eh_entry): Add new field 'rethrow_label'. + (new_eh_region_entry): No longer exported from except.c. + (duplicate_handlers): Renamed to duplicate_eh_handlers and + different prototype. + (rethrow_symbol_map, rethrow_used): New exported functions. + (eh_region_from_symbol): New exported function. + + * except.c (create_rethrow_ref): New function to create a single + SYMBOL_REF for a rethrow region. + (push_eh_entry): Initialize a rethrow ref. + (func_eh_entry): Add a rethrow_label field. + (new_eh_region_entry): Make static, and initialize the rethrow entry. + (duplicate_eh_handlers): Create a new region, and remap labels/symbols. + (eh_region_from_symbol): Find an EH region based on its rethrow symbol. + (rethrow_symbol_map): Given a label map, maps a rethrow symbol for + a region into an appropriate new symbol. + (rethrow_used): Indicate whether a rethrow symbol has been referenced. + (expand_eh_region_end): Don't issue jump around code for new-exceptions. + (end_catch_handler): Emit a barrier for new-exceptions since + control can never drop through the end of a catch block. + (expand_end_all_catch): new-exceptions never fall through a catch + block. + (expand_rethrow): Use __rethrow routine for new exceptions. + (output_exception_table_entry): Generate rethrow labels, if needed. + (output_exception_table): Generate start and end rethrow labels. + (init_eh): Create rethrow symbols for beginning and end of table. + (scan_region): Don't eliminate EH regions which are the targets of + rethrows. + + * flow.c (make_edges): Add different edges for rethrow calls, + identified by having the REG_EH_RETHROW reg label. + (delete_unreachable_blocks): Don't delete regions markers which are + the target of a rethrow. + + * integrate.c (save_for_inline_eh_labelmap): New callback routine to + allow save_for_inline_copying to call duplicate_eh_handlers. + (save_for_inline_copying): Call duplicate_eh_handlers instead of + exposing internal details of exception regions. + (copy_for_inline): Check if SYMBOL_REFs need adjustment. + (expand_inline_function_eh_labelmap): New callback routine to + allow expand_inline_function to call duplicate_eh_handlers. + (expand_inline_function): Call duplicate_eh_handlers instead of + exposing internal details of exception regions. + (copy_rtx_and_substitute): Adjust SYMBOL_REFS if SYMBOL_REF_NEED_ADJUST + flag is set. + + * libgcc2.c (find_exception_handler): Generalize to enable it to + pick up processing where it left off last time for a rethrow. + (__unwinding_cleanup): New function. debug hook which is called before + unwinding when __throw finds there is nothing but cleanups left. + (throw_helper): Common parts of __throw extracted out for reuse. + (__throw): Common parts moved to throw_helper. + (__rethrow): New function for performing rethrows. + +Tue Dec 8 13:11:04 1998 Jeffrey A Law (law@cygnus.com) + + * reload1.c (current_function_decl): Tweak declaration. + +Tue Dec 8 10:23:52 1998 Richard Henderson <rth@cygnus.com> + + * c-decl.c (flag_isoc9x): Default off. + (c_decode_option): Kill -std=gnu, add -std=gnu89 and -std=gnu9x. + * cccp.c (print_help, main): Likewise. + * gcc.c (default_compilers): Update for -std=gnu*. + +Tue Dec 8 01:14:46 1998 Jeffrey A Law (law@cygnus.com) + + * Makefile.in (DEMANGLE_H): Change location to shared demangle.h. + * demangle.h: Deleted. + + * reload1.c (current_function_decl): Declare. + +Tue Dec 8 11:58:51 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * cpplib.c (convert_string): Use `0x00ff', not `0x00ffU'. + +Tue Dec 8 09:28:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * dbxout.c: If USG is defined use gstab.h, even if HAVE_STAB_H is set. + +1998-12-08 Ulrich Drepper <drepper@cygnus.com> + + * configure.in: Test for availability of putc_unlocked, fputc_unlocked, + and fputs_unlocked. + * configure: Rebuilt. + * system.h: If the *_unlocked functions are available use them + instead of the locked counterparts by defining macros. + * config.in: Regenerated. + +Tue Dec 8 00:34:05 1998 Mike Stump <mrs@wrs.com> + + * i386/bsd.h (ASM_FILE_START): Don't use dump_base_name, it is + wrong and should only be used for dump related things, not + debugging information, instead main_input_filename should be used. + Also, reuse output_file_directive if possible. + * i386/aix386ng.h (ASM_FILE_START): Likewise. + * i386/isc.h (ASM_FILE_START): Likewise. + * i386/win-nt.h (ASM_FILE_START): Likewise. + * i386/sun386.h (ASM_FILE_START): Likewise. + +Mon Dec 7 23:56:28 1998 Robert Lipe <robertl@dgii.com> + + * configure.in (mips*-*-linux*): Handle big and little endian + systems. + * configure: Rebuilt. + +Mon Dec 7 23:14:51 1998 Mike Stump <mrs@wrs.com> + + * emit-rtl.c: Fix typo. + +Mon Dec 7 23:07:38 1998 Nathan Sidwell <nathan@acm.org> + + * reload1.c (eliminate_regs): Don't do anything, if we're not + generating code. + +Mon Dec 7 15:27:09 1998 DJ Delorie <dj@cygnus.com> + + * mips/mips.h (ENCODE_SECTION_INFO): Handle TARGET_EMBEDDED_DATA. + Add comment. + * mips/mips.c (mips_select_section): Add comment. + +Mon Dec 7 17:55:06 1998 Mike Stump <mrs@wrs.com> + + * cccp.c (ignore_escape_flag): Add support for \ as `natural' + characters in file names in #line to be consistent with #include + handling. We support escape processing in the # 1 "..." version of + the command. See also support in cp/lex.c. + (handle_directive): Likewise. + (do_line): Likewise. + +1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu> + + * cpplib.c (initialize_char_syntax): Use ISALPHA and ISALNUM + so it'll work on non-ASCII platforms. Always consider $ an + identifier character. Take no arguments. + (cpp_reader_init): Call initialize_char_syntax with no + arguments. + (cpp_start_read): Don't call initialize_char_syntax again. + Clear is_idchar['$'] and is_idstart['$'] if not + opts->dollars_in_ident. + + * cpplib.h (struct cpp_reader): Replace void *data element by + cpp_options *opts. Rearrange elements to make gdb printout + less annoying (put buffer stack at end). + (CPP_OPTIONS): Get rid of now-unnecessary cast. + + * cppmain.c: s/data/opts/ when initializing cpp_reader + structure. + * c-decl.c: Likewise. + * objc/objc-act.c: Likewise. + * fix-header.c: Likewise. + +1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu> + + * cpplib.h (struct cpp_buffer): Replace dir and dlen members + with a struct file_name_list pointer. + (struct cpp_reader): Add pointer to chain of `actual + directory' include searchpath entries. + (struct file_name_list): Add *alloc pointer for the sake of + the actual-directory chain. + + Move definition of HOST_WIDE_INT here. + (cpp_parse_escape): Change prototype to match changes in + cppexp.c. + + * cppfiles.c (actual_directory): New function. + (finclude): Use it to initialize the buffer's actual_dir + entry. + (find_include_file): We don't need to fix up max_include_len + here. + + * cpplib.c (do_include): Don't allocate a file_name_list on + the fly for current directory "" includes, use the one that's + been preallocated in pfile->buffer->actual_dir. Hoist out + duplicate code from the search_start selection logic. + (cpp_reader_init): Initialize pfile->actual_dirs. + + Remove definition of HOST_WIDE_INT. Change calls + to cpp_parse_escape to match changes in cppexp.c (note + hardcoded MASK, which is safe since this is the source + character set). + + * cppexp.c: Bring over changes to cpp_parse_escape from cccp.c + to handle wide character constants in #if directives. The + function now returns a HOST_WIDE_INT, and takes a third + argument which is a binary mask for all legal values (0x00ff + for 8-bit `char', 0xffff for 16-bit `wchar_t', etc.) Define + MAX_CHAR_TYPE_MASK and MAX_WCHAR_TYPE_MASK. Change callers of + cpp_parse_escape to match. [Fixes c-torture/execute/widechar-1.c] + +Mon Dec 7 15:38:25 1998 Dave Brolley <brolley@cygnus.com> + + * gcc.c (default_compilers): Fix typo in USE_CPPLIB spec for cc1. + +Mon Dec 7 15:38:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * c-aux-info.c (concat): Wrap function definition in !USE_CPPLIB. + * cppalloc.c: Move function `xcalloc' from cpplib.c to here. + * cpplib.c: Move function `xcalloc' from here to cppalloc.c. + +Mon Dec 7 11:30:49 1998 Nick Clifton <nickc@cygnus.com> + + * final.c (output_asm_name): Use tabs to separate comments from + assembly text. + + Include instruction lengths (if defined) in output. + +Mon Dec 7 10:53:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + + * loop.c (check_dbra_loop): Fix initial_value and initial_equiv_value + in the loop_info structure. + +Mon Dec 7 11:04:40 1998 Catherine Moore <clm@cygnus.com> + + * configure.in (arm*-*-ecos-elf): New target. + * configure: Regenerated. + * config/arm/elf.h (ASM_WEAKEN_LABEL): Define. + * config/arm/ecos-elf.h: New file. + * config/arm/unknown-elf.h (TARGET_VERSION): Check + for redefinition. + +Mon Dec 7 16:15:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * sh.c (output_far_jump): Emit braf only for TARGET_SH2. + +Sun Dec 6 04:19:45 1998 Jeff Law (law@cygnus.com) + + * version.c: Bump for snapshot. + +Sun Dec 6 05:16:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + + * loop.c (check_dbra_loop): New argument loop_info. Update fields + as needed. + +Sun Dec 6 03:40:13 1998 Jeff Law (law@cygnus.com) + + * version.c: Bump for snapshot. + +Sun Dec 6 07:49:29 1998 Alexandre Oliva <oliva@dcc.unicamp.br> + + * gcc.texi (Bug Reporting): 40Kb is a soft limit, larger + compressed reports are ok and preferred over URLs. + +Sun Dec 6 07:45:33 1998 Alexandre Oliva <oliva@dcc.unicamp.br> + + * invoke.texi (Warning Options): Soften the tone of -pedantic. + +Sun Dec 6 00:20:44 1998 H.J. Lu (hjl@gnu.org) + + * print-rtl.c (print_rtx): Add prototype. + + * unroll.c (iteration_info): Make it static. + +Sun Dec 6 01:19:46 1998 Richard Henderson <rth@cygnus.com> + + * alias.c (memrefs_conflict_p): A second ANDed address + disables the aligned address optimization. + +Sat Dec 5 18:48:25 1998 Richard Henderson <rth@cygnus.com> + + * alpha.c (alpha_emit_set_const_1): Fix parenthesis error + in -c << n case. + +Sat Dec 5 15:14:52 1998 Jason Merrill <jason@yorick.cygnus.com> + + * i960.h (BOOL_TYPE_SIZE): Define. + +Sun Dec 6 00:28:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + + * config/c4x/c4x.c (valid_parallel_load_store): Flog functionality + from old valid_parallel_operands_4. + (valid_parallel_operands_4): Check that operands for 4 operand + parallel insns are valid, excluding load/store insns. + * config/c4x/c4x.h (valid_parallel_load_store): Add prototype. + * config/c4x/c4x.md (*movqf_parallel, *movqi_parallel): Use + valid_parallel_load_store instead of valid_parallel_operands_4. + (*absqf2_movqf_clobber, *floatqiqf2_movqf_clobber, + *negqf2_movqf_clobber, *absqi2_movqi_clobber, + *fixqfqi2_movqi_clobber, *negqi2_movqi_clobber, + *notqi_movqi_clobber): Use valid_parallel_operands_4. + (*subqf3_movqf_clobber, *ashlqi3_movqi_clobber, + *ashrqi3_movqi_clobber, *lshrqi3_movqi_clobber, + *subqi3_movqi_clobber): Use valid_parallel_operands_5. + +Sat Dec 5 23:52:01 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + + * config/c4x/c4x.c (iteration_info): Delete extern. + +Fri Dec 4 20:15:57 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de> + + * tm.texi (SMALL_REGISTER_CLASSES): Make description match reality. + + * final.c (cleanup_subreg_operands): Delete some unused code. + + * recog.h (MAX_RECOG_ALTERNATIVES): New macro. + (struct insn_alternative): New structure definition. + (recog_op_alt): Declare variable. + (preprocess_constraints): Declare function. + * recog.c (recog_op_alt): New variable. + (extract_insn): Verify number of alternatives is in range. + (preprocess_constraints): New function. + * reg-stack.c: Include recog.h. + (constrain_asm_operands): Delete. + (get_asm_operand_lengths): Delete. + (get_asm_operand_n_inputs): New function. + (record_asm_reg_life): Delete OPERANDS, CONSTRAINTS, N_INPUTS and + N_OUTPUTS args. All callers changed. + Compute number of inputs and outputs here by calling + get_asm_operand_n_inputs. + Instead of constrain_asm_operands, call extract_insn, + constrain_operands and preprocess_constraints. Use information + computed by these functions throughout. + (record_reg_life): Delete code that is unused due to changes in + record_asm_reg_life. + (subst_asm_stack_regs): Delete OPERANDS, OPERAND_LOC, CONSTRAINTS, + N_INPUTS and N_OUTPUTS args. All callers changed. + Similar changes as in record_asm_reg_life. + (subst_stack_regs): Move n_operands declaration into the if statement + where it's used. + Delete code that is unused due to changes in subst_asm_stack_regs. + * stmt.c (expand_asm_operands): Verify number of alternatives is in + range. + * Makefile.in (reg-stack.o): Depend on recog.h. + +Fri Dec 4 02:23:24 1998 Jeffrey A Law (law@cygnus.com) + + * except.c (set_exception_version_code): Argument is an "int". + +Fri Dec 4 01:29:28 1998 Jeffrey A Law (law@cygnus.com) + + * configure.in (hppa2*-*-*): Handle like hppa1.1-*-* for now. + * configure: Rebuilt. + +Fri Dec 4 01:29:28 1998 Robert Lipe <robertl@dgii.com> + + * configure.in (mipsel-*-linux*): New target. + * mips/linux.h: New file, based on other Linux targets. + +Thu Dec 3 11:19:50 1998 Mike Stump <mrs@wrs.com> + + * gthr-vxworks.h (__ehdtor): Fix memory leak. The delete hook + runs in the context of the deleter, not the deletee, so we must + use taskVarGet to find the correct memory to free. + (__gthread_key_create): Initialize the task + variable subsystem so that the task variable is still active when + the delete hook is run. + +1998-12-03 Joseph S. Myers <jsm28@cam.ac.uk> + + * pdp11.h: Use optimize_size for space optimizations. + * pdp11.c: Likewise. + * pdp11.md: Likewise. + + * pdp11.h (TARGET_40_PLUS): Fix typo. + +Thu Dec 3 11:48:32 1998 Jeffrey A Law (law@cygnus.com) + + * local-alloc.c (block_alloc): Slightly retune heuristic to widen + qty lifetimes. + +Thu Dec 3 22:30:18 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + + * alias.c (addr_side_effect_eval): New function. + (memrefs_conflict_p): Use it. + * rtl.h (addr_side_effect_eval): Prototype it. + +1998-12-02 Joseph S. Myers <jsm28@cam.ac.uk> + + * pdp11.md (extendsfdf2): Fix mode mismatch in SET. + +Wed Dec 2 11:23:07 1998 Jim Wilson <wilson@cygnus.com> + + * reload.c (find_reloads): When force const to memory, put result + in substed_operand not *recog_operand_loc. + +1998-12-02 Ulrich Drepper <drepper@cygnus.com> + + * c-lex.c: Fix indentation from last patch. + Remove trailing whitespace. + * real.c: Likewise. + +Wed Dec 2 10:11:12 1998 Jeffrey A Law (law@cygnus.com) + + * flow.c (delete_block): Call set_last_insn after we have reset + NEXT_INSN (kept_tail). + +Wed Dec 2 00:47:31 1998 Jeffrey A Law (law@cygnus.com) + + * mips.md (trap_if): Use "$0" for the value zero. + +Tue Dec 1 20:49:49 1998 Ulrich Drepper <drepper@cygnus.com> + Stephen L Moshier <moshier@world.std.com> + Richard Henderson <rth@cygnus.com> + + * c-common.c (declare_function_name): Declare predefined variable + `__func__'. + + * c-decl.c (flag_isoc9x): Set to 1 by default. + (c_decode_option): Handle -std= option. Remove -flang-isoc9x. + (grokdeclarator): Always emit warning about implicit int for ISO C 9x. + + * c-parse.in: Allow constructors in ISO C 9x. + Rewrite designator list handling. + Allow [*] parameters. + Don't warn about comma at end of enum definition for ISO C 9x. + + * cccp.c (c9x): New variable. + (rest_extension): New variable. + (print_help): Document new -std= option. + (main): Recognize -std= option. Set c9x appropriately. + (create_definition): Recognize ISO C 9x vararg macros. + + * gcc.c (default_compilers): Adjust specs for -std options. + (option_map): Add --std. + (display_help): Document -std. + + * toplev.c (documented_lang_options): Add -std and remove + -flang-isoc9x. + + * c-lex.c (yylex): Recognize hex FP constants and call REAL_VALUE_ATOF + or REAL_VALUE_HTOF based on base of the constants. + * fold-const.c (real_hex_to_f): New function. Replacement function + for hex FP conversion if REAL_ARITHMETIC is not defined. + * real.c (asctoeg): Add handling of hex FP constants. + * real.h: Define REAL_VALUE_HTOF if necessary using ereal_atof or + real_hex_to_f. + +Tue Dec 1 16:45:49 1998 Stan Cox <scox@cygnus.com> + + * mips.md (divmodsi4*, divmoddi4*, udivmodsi4*, udivmoddi4): Add + -mcheck-range-division/-mcheck-zero-division checking. Avoid as macro + expansion. Use hi/lo as destination register. + (div_trap): New. + (divsi3*, divdi3*, modsi3*, moddi3*, udivsi3*, udivdi3*, umodsi3*, + umoddi3*): Add -mcheck-range-division/-mcheck-zero-division checking. + Avoid as macro expansion. Use hi/lo as destination register. + + * mips.h (MASK_CHECK_RANGE_DIV): New. + (MASK_NO_CHECK_ZERO_DIV): New. + (ELIMINABLE_REGS): Added GP_REG_FIRST + 31. + (CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): Allow for getting + return address for leaf functions out of r31 to support + builtin_return_address. + +Tue Dec 1 15:03:30 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl> + + * jump.c (jump_optimize): Call regs_set_between_p with PREV_INSN(x), + NEXT_INSN(x) to check insn x. + +Tue Dec 1 15:20:44 1998 Jeffrey A Law (law@cygnus.com) + + * flow.c (delete_block): Call set_last_insn if we end up deleting the + last insn in the rtl chain. + + * reload1.c (reload): Do not set reload_completed or split insns + here. Instead... + * toplev.c (rest_of_compilation): Set reload_completed after + reload returns. Split insns after reload_cse has run. + +Tue Dec 1 11:55:04 1998 Richard Henderson <rth@cygnus.com> + + * final.c (final_scan_insn): Abort if block_depth falls below 0. + +Tue Dec 1 10:23:16 1998 Nick Clifton <nickc@cygnus.com> + + * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Define inhibit_libc. + +Tue Dec 1 10:22:18 1998 Nick Clifton <nickc@cygnus.com> + + * config/arm/unknown-elf.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove + use of user-label_prefix. + +Tue Dec 1 17:58:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * reload1.c (emit_reload_insns): Clear spill_reg_store + when doing a new non-inherited reload from the same pseudo. + + * local-alloc.c (function_invariant_p): New function. + (update_equiv_regs): Use function_invariant_p instead of CONSTANT_P + to decide if an equivalence should be recorded. + * reload1.c (num_eliminable_invariants): New static variable. + (reload): Set it. Use function_invariant_p instead of CONSTANT_P + to decide if an equivalence should be recorded. + Unshare PLUS. + (calculate_needs_all_insns): Skip insns that only set an equivalence. + Take num_eliminable_invariants into account when deciding + if register elimination should be done. + (reload_as_needed): Take num_eliminable_invariants into account + when deciding if register elimination should be done. + (eliminate_regs): Handle non-constant reg_equiv_constant. + * rtl.h (function_invariant_p): Declare. + +Mon Nov 30 02:00:08 1998 Jeff Law (law@cygnus.com) + + * version.c: Bump for snapshot. + +Mon Nov 30 00:42:59 1998 Jeff Law (law@cygnus.com) + + * version.c: Bump for snapshot. + +Sun Nov 29 22:59:40 1998 Jason Merrill <jason@yorick.cygnus.com> + + * except.c (add_new_handler): Complain about additional handlers + after one that catches everything. + +Sat Nov 28 10:56:32 1998 Jeffrey A Law (law@cygnus.com) + + * configure.in (alpha*-*-netbsd): Fix typo. + * configure: Rebuilt. + +Fri Nov 27 12:28:56 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * system.h: Include libiberty.h. + + * c-aux-info.c: Remove prototypes for concat/concat3. Change + function `concat' from fixed parameters to variable parameters, + as is done in libiberty. All callers of concat/concat3 + changed to use the new `concat' with variable args. + + * cccp.c: Remove things made redundant by libiberty.h and/or + conform to libiberty standards. + * cexp.y: Likewise. + * collect2.c: Likewise. + * config/1750a/1750a.h: Likewise. + * cppalloc.c: Likewise. + * cppexp.c: Likewise. + * cppfiles.c: Likewise. + * cpphash.c: Likewise. + * cpplib.c: Likewise. + * dyn-string.c: Likewise. + * fix-header.c: Likewise. + * gcc.c: Likewise. + * gcov.c: Likewise. + * genattr.c: Likewise. + * genattrtab.c: Likewise. + * gencheck.c: Likewise. + * gencodes.c: Likewise. + * genconfig.c: Likewise. + * genemit.c: Likewise. + * genextract.c: Likewise. + * genflags.c: Likewise. + * gengenrtl.c: Likewise. + * genopinit.c: Likewise. + * genoutput.c: Likewise. + * genpeep.c: Likewise. + * genrecog.c: Likewise. + * getpwd.c: Likewise. + * halfpic.c: Likewise. + * hash.c: Likewise. + * mips-tdump.c: Likewise. Wrap malloc/realloc/calloc prototypes + in NEED_DECLARATION_* macros. + + * mips-tfile.c: Remove things made redundant by libiberty.h and/or + conform to libiberty standards. + (fatal): Fix const-ification of variable `format' in + !ANSI_PROTOTYPES case. + + * prefix.c: Remove things made redundant by libiberty.h and/or + conform to libiberty standards. + + * print-rtl.c: Rename variable `spaces' to `xspaces' to avoid + conflicting with function `spaces' from libiberty. + + * profile.c: Remove things made redundant by libiberty.h and/or + conform to libiberty standards. + * protoize.c: Likewise. + * rtl.h: Likewise. + * scan.h: Likewise. + * tlink.c: Likewise. + * toplev.c: Likewise. + * toplev.h: Likewise. + * tree.h: Likewise. + +Thu Nov 26 08:38:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * cppfiles.c (simplify_pathname): Un-ANSI-fy function definition. + +Thu Nov 26 23:45:37 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + + * README.C4X: Updated URLs. + * config/c4x/c4x.c (c4x_address_conflict): Fix typo. + (valid_parallel_operands_5): Remove unused variable. + +Thu Nov 26 23:40:03 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + + * config/c4x/c4x.h (TARGET_DEFAULT): Fix typo. + +1998-11-26 Manfred Hollstein <manfred@s-direktnet.de> + + * Makefile.in (CONFIG_LANGUAGES): New macro taking all languages + which can be configured. + (LANGUAGES): Use $(CONFIG_LANGUAGES) instead of @all_languages@ + (Makefile): Pass actual LANGUAGES through the environment when + re-configuring. + (cstamp-h): Likewise. + (config.status): Likewise. + + * configure.in (enable_languages): Add new configuration parameter + "--enable-languages=lang1,lang2,...". + (${srcdir}/*/config-lang.in): Change handling to configure only + those directories, that the user might have enabled; default to + "all" existing languages. + * configure: Regenerate. + +Thu Nov 26 00:19:19 1998 Richard Henderson <rth@cygnus.com> + + * rtlanal.c (regs_set_between_p): New function. + * rtl.h (regs_set_between_p): Prototype it. + * jump.c (jump_optimize): Use it instead of modified_between_p + in the Sep 2 change. + +Wed Nov 25 23:32:02 1998 Ian Dall <Ian.Dall@dsto.defence.gov.au> + Matthias Pfaller <leo@dachau.marco.de> + + * invoke.texi (Option Summary, NS32K Options): Add description + of NS32K specific options. + + * ns32k.md (tstdf, cmpdf, movdf, truncdfsf2, fixdfqi2, fixdfhi2, + fixdfsi2, fixunsdfqi2, fixunsdfhi2, fixunsdfsi2, fix_truncdfqi2, + fix_truncdfhi2, fix_truncdfsi2, adddf3, subdf3, muldf3, divdf3, + negdf2, absdf2): Use l instead of f since the double class and + float class are no longer the same. + (cmpsi, truncsiqi2, truncsihi2, addsi3, subsi3, mulsi3, umulsidi3, + divsi3, modsi3, andsi3, iorsi3, xorsi3, negsi2, one_cmplsi2, + ashlsi3, ashlhi3, ashlqi3, rotlsi3, rotlhi3, rotlqi3, abssi2,...): + Use "g" instead of "rmn" since LEGITIMATE_PIC_OPERAND has been + fixed. + (cmpsi, cmphi, cmpqi): Use general_operand instead of + non_immediate_operand. Removes erroneous assumption that can't + compare constants. + (movsf, movsi, movhi, movqi,...): New register numbering scheme. + (movsi, addsi3): Use NS32K_DISPLACEMENT_P instead of hard coded + constants. + (movstrsi, movstrsi1, movstrsi2): Completely new block move + scheme. + (...): Patterns to exploit multiply-add instructions. + (udivmodsi4, udivmodsi_internal4, udivmodhi4, + udivmoddihi4_internal, udivmodqi4, udivmoddiqi4_internal): New + patterns to exploit extended divide insns. + (udivsi3, udivhi3, udivqi3): Remove since superseded by udivmodsi + etc patterns. + + * ns32k.h (FUNCTION_VALUE, LIBCALL_VALUE): Use f0 for complex + float return values as well as simple scalar floats. + (TARGET_32381, TARGET_MULT_ADD, TARGET_SWITCHES): + Support new flag to denote 32381 fpu. + (OVERRIDE_OPTIONS): 32381 is a strict superset of 32081. + (CONDITIONAL_REGISTER_USAGE): Disable extra 32381 registers if not + compiling for 32381. + (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS, + REGISTER_NAMES, ADDITIONAL_REGISTER_NAMES, OUTPUT_REGISTER_NAMES, + REG_ALLOC_ORDER, DBX_REGISTER_NUMBER, R0_REGNUM, F0_REGNUM, + L1_REGNUM, STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM, + LONG_FP_REGS_P, ARG_POINTER_REGNUM, reg_class, REG_CLASS_NAMES, + REG_CLASS_CONTENTS, SUBSET_P,REGNO_REG_CLASS, + REG_CLASS_FROM_LETTER, FUNCTION_PROLOGUE, FUNCTION_EPILOGUE, + REGNO_OK_FOR_INDEX_P, FP_REG_P, REG_OK_FOR_INDEX_P, + REG_OK_FOR_BASE_P, MEM_REG): New register scheme to include 32381 + fpu registers and special register classes for new 32381 + instructions dotf and polyf. + (MODES_TIEABLE_P): Allow all integer modes, notably DI and SI, to + be tieable. + (INCOMING_RETURN_ADDR_RTX, RETURN_ADDR_RTX, + INCOMING_FRAME_SP_OFFSET): New macros in case DWARF support is + required. + (SMALL_REGISTER_CLASSES): Make dependent on -mmult-add option. + (MOVE_RATIO): Set to zero because of smart movstrsi implementation. + (REGISTER_MOVE_COST): Move code to register_move_cost function for + ease of coding and debugging. + (CLASS_LIKELY_SPILLED_P): Under new register scheme class + LONG_FLOAT_REGO is likely spilled but not caught by default + definition. + (CONSTANT_ADDRESS_P, CONSTANT_ADDRESS_NO_LABEL_P): Use macro + instead of hard coded numbers in range check. + (ASM_OUTPUT_LABELREF_AS_INT): Delete since unused. + (...): Add prototypes for functions in ns32k.c but disable because + of problems when ns32k.h is included in machine independent files. + + * ns32k.c: Include "system.h", "tree.h", "expr.h", "flags.h". + (ns32k_reg_class_contents, regcass_map, ns32k_out_reg_names, + hard_regno_mode_ok, secondary_reload_class, + print_operand, print_operand_address): New register scheme to + include 32381 fpu registers and special register classes for new + 32381 instructions dotf and polyf. + (gen_indexed_expr): Make static to keep namespace clean. + (check_reg): Remove since never called. + (move_tail, expand_block_move): Helper functions for "movstrsi" + block move insn. + (register_move_cost): Helper function for REGISTER_MOVE_COST macro. + Increase cost of moves which go via memory. + * netbsd.h (TARGET_DEFAULT): Set (new) 32381 fpu flag. + (CPP_PREDEFINES): No longer predefine "unix". + + * ns32k.md (movsi, movsi, adddi3, subdi3, subsi3, subhi3, subqi3,...): + Remove erroneous %$. print_operand() can work out from the rtx is + an immediate prefix is required. + + * ns32k.h (RETURN_POPS_ARGS, VALID_MACHINE_DECL_ATTRIBUTE, + VALID_MACHINE_TYPE_ATTRIBUTE, COMP_TYPE_ATTRIBUTES, + SET_DEFAULT_TYPE_ATTRIBUTES): Support for -mrtd calling + convention. + (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST): Correct handling of + pic operands. + + * ns32k.c (symbolic_reference_mentioned_p, print_operand): + Correct handling of pic operands. + (ns32k_valid_decl_attribute_p, ns32k_valid_type_attribute_p, + ns32k_comp_type_attributes, ns32k_return_pops_args): Support for + -mrtd calling convention. + +Wed Nov 25 23:42:20 1998 Tom Tromey <tromey@cygnus.com> + + * gcc.c (option_map): Recognize --output-class-directory. + +Thu Nov 26 18:26:21 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + + * loop.h (precondition_loop_p): Added new mode argument. + * unroll.c (precondition_loop_p): Likewise. + (approx_final_value): Function deleted and subsumed + into loop_iterations. + (loop_find_equiv_value): New function. + (loop_iterations): Use loop_find_equiv_value to find increments + too large to be immediate constants. Also use it to find terms + common to initial and final iteration values that can be removed. + +Thu Nov 26 18:05:04 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + + * loop.h (struct loop_info): Define new structure. + (precondition_loop_p): Added prototype. + (unroll_loop): Added new argument loop_info to prototype. + (final_biv_value, final_giv_value): Added new argument n_iterations + to prototype. + * loop.c (strength_reduce): Declare new structure loop_iteration_info + and new pointer loop_info. + (loop_n_iterations): Replace global variable by element in + loop_info structure. + (check_final_value): New argument n_iterations. + (insert_bct): New argument loop_info. + (loop_unroll_factor): Replace global array by element in + loop_info structure. + (loop_optimize): Remove code to allocate and initialize + loop_unroll_factor_array. + * unroll.c (precondition_loop_p): No longer static since + used by branch on count optimization. + (precondition_loop_p, unroll_loop): New argument loop_info. + (final_biv_value, final_giv_value, find_splittable_regs): New + argument n_iterations. + (loop_iteration_var, loop_initial_value, loop_increment, + loop_final_value, loop_comparison_code, loop_unroll_factor): + Replaced global variables by loop_info structure. + (loop_unroll_factor): Replace global array by element in + loop_info structure. + +Thu Nov 26 17:49:29 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + + * loop.c (check_dbra_loop): Update JUMP_LABEL field of jump insn + when loop reversed. + + * unroll.c (precondition_loop_p): Return loop_initial_value + for initial_value instead of loop_iteration_var. + +Thu Nov 26 17:15:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + + * config/c4x/c4x.md: Fix minor formatting problems. Update docs. + (*b, *b_rev, *b_noov, *b_noov_rev, *db, + decrement_and_branch_until_zero, rptb_end): Use c4x_output_cbranch + to output the instruction sequences. + (rpts): Delete. + (rptb_top): Provide alternatives to use any register or memory + for loop counter. + (rptb_end): Emit use of operands rather than assigning them + explicitly to the RS and RE registers. + +Thu Nov 26 16:37:59 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + + * config/c4x/c4x.c (c4x_modified_between_p, c4x_mem_set_p, + c4x_mem_set_p, c4x_mem_modified_between_p, c4x_insn_moveable_p, + c4x_parallel_pack, c4x_parallel_find, c4x_update_info_reg, + c4x_update_info_regs, c4x_copy_insn_after, c4x_copy_insns_after, + c4x_merge_notes, c4x_parallel_process, + c4x_combine_parallel_independent, c4x_combine_parallel_dependent, + c4x_combine_parallel): Delete. + +Thu Nov 26 15:16:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + + * config/c4x/c4x.c (c4x_override_options): For compatibility + with old target options clear flag_branch_on_count_reg if + -mno-rptb specified and set flag_argument_alias is -mno-aliases + specified. + (c4x_output_cbranch): Handle a sequence of insns rather than a + single insn. + (c4x_rptb_insert): Do not emit a RPTB insn if the RC register + has not been allocated as the loop counter. + (c4x_address_conflict): Do not allow two volatile memory references. + (valid_parallel_operands_4, valid_parallel_operands_5, + valid_parallel_operands_6): Reject pattern if the register destination + of the first set is used as part of an address in the second set. + +Thu Nov 26 14:56:32 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + + * config/c4x/c4x.h (TARGET_DEFAULT): Add PARALEL_MPY_FLAG. + (TARGET_SMALL_REG_CLASS): Set to 0 so that SMALL_REGISTER_CLASSES + is no longer enabled if PARALLEL_MPY_FLAG set. + (HARD_REGNO_CALL_CLOBBERED): Add parentheses to remove ambiguity. + (REG_CLASS_CONTENTS): Add braces around initializers. + (HAVE_MULTIPLE_PACK): Define. + (ASM_OUTPUT_BYTE_FLOAT): Use %lf format specifier with + REAL_VALUE_TO_DECIMAL. + (ASM_OUTPUT_SHORT_FLOAT): Use %lf format specifier with + REAL_VALUE_TO_DECIMAL. + (ar0_reg_operand): Add prototype. + (ar0_mem_operand): Likewise. + (ar1_reg_operand): Likewise. + (ar1_mem_operand): Likewise. + (ar2_reg_operand): Likewise. + (ar2_mem_operand): Likewise. + (ar3_reg_operand): Likewise. + (ar3_mem_operand): Likewise. + (ar4_reg_operand): Likewise. + (ar4_mem_operand): Likewise. + (ar5_reg_operand): Likewise. + (ar5_mem_operand): Likewise. + (ar6_reg_operand): Likewise. + (ar6_mem_operand): Likewise. + (ar7_reg_operand): Likewise. + (ar7_mem_operand): Likewise. + (ir0_reg_operand): Likewise. + (ir0_mem_operand): Likewise. + (ir1_reg_operand): Likewise. + (ir1_mem_operand): Likewise. + (group1_reg_operand): Likewise. + (group1_mem_operand): Likewise. + (ir1_reg_operand): Likewise. + (arx_reg_operand): Likewise. + (not_rc_reg): Likewise. + (not_modify_reg): Likewise. + (c4x_group1_reg_operand): Remove prototype. + (c4x_group1_mem_operand): Likewise. + (c4x_arx_reg_operand): Likewise. + +Wed Nov 25 19:02:55 1998 (Stephen L Moshier) <moshier@world.std.com> + + * emit-rtl.c (gen_lowpart_common): Remove earlier change. + * real.c (make_nan): Make SIGN arg actually specify the sign bit. + +Thu Nov 26 14:12:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + + * config/c4x/c4x.md (addqi3): Emit addqi3_noclobber pattern + during reload. + +Wed Nov 25 22:05:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * config/sh/lib1funcs.asm (___udivsi3_i4): Don't switch to sz == 1 + unless FMOVD_WORKS is defined. + +Wed Nov 25 20:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * regclass.c (init_reg_sets): Move code that calculates tables + dependent on reg_class_contents from here... + (init_reg_sets_1): To here. + +Wed Nov 25 14:54:46 1998 Zack Weinberg <zack@rabi.phys.columbia.edu> + + * cpplib.h: Delete struct import_file. Add ihash element to + struct cpp_buffer. Delete dont_repeat_files and + import_hash_table elements from cpp_reader; change + all_include_files to a hash table. Delete all foobar_include + / last_foobar_include elements from struct cpp_options; put + back four such: quote_include, bracket_include, + system_include, after_include. Redo struct file_name_list + completely. Add new structure type include_hash. Add + prototypes for merge_include_chains and include_hash. Change + prototypes for finclude, find_include_file, and + append_include_chain to match changes below. + + * cppfiles.c (simplify_pathname, include_hash, + remap_filename, merge_include_chains): New functions. + (add_import, lookup_import, open_include_file): Removed. + (INO_T_EQ): Define this (copied from cccp.c). + (hack_vms_include_specification): Remove all calls and #if 0 + out the definition. It was being called incorrectly and at + the wrong times. Until a VMSie can look at this, it's better + to not pretend to support it. + (append_include_chain): Change calling convention; now takes + only one directory at a time, and sets up the data structure + itself. + (redundant_include_p): Rewritten - this is now used for all + include redundancy, whether by #ifndef, #import, or #pragma + once. Looks up things in the include hash table. + (file_cleanup): Decrement pfile->system_include_depth here if + it's >0. + (find_include_file): Calling convention changed; now passes + around a struct include_hash instead of 3 separate parameters. + Guts ripped out and replaced with new include_hash mechanism. + (finclude): Calling convention changed as for + find_include_file. Error exits pulled out-of-line. Reformat. + (safe_read): Return a long, not an int. + (deps_output): Don't recurse. + + * cpplib.c (is_system_include): Deleted. + (path_include): Fix up call to append_include_chain. + (do_include): Fix up calls to find_include_file and finclude. + Clean up dependency output a bit. Shorten obnoxiously lengthy + #import warning message. Don't decrement + pfile->system_include_depth here. + (do_pragma): Understand the include_hash structure. Reformat. + (do_endif): Correct handling of control macros. Understand + the include_hash. + (cpp_start_read): Fix up calls to finclude. Call + merge_include_chains. + (cpp_handle_option): Fix up calls to append_include_chain. + Understand the four partial include chains. + (cpp_finish): Add debugging code (#if 0-ed out) for the + include_hash. + (cpp_cleanup): Free the include_hash, not the import hash and + the all_include and dont_repeat lists which no longer exist. + +Wed Nov 25 11:26:19 1998 Jeffrey A Law (law@cygnus.com) + + * toplev.c (no_new_pseudos): Define. + (rest_of_compilation): Set no_new_pseudos as needed. + * emit-rtl.c (gen_reg_rtx): Abort if we try to create a new pseudo + if no_new_pseudos is set. + * rtl.h (no_new_pseudos): Declare it. + * reload1.c (reload): Update comments. + * md.texi: Corresponding changes. + +Wed Nov 25 11:26:17 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de> + + * reload1.c (reg_used_in_insn): Renamed from reg_used_by_pseudo. + (choose_reload_regs): Rename it here as well. When computing it, + also merge in used hardregs. + +1998-11-25 Zack Weinberg <zack@rabi.phys.columbia.edu> + + * gcc.c: Split out Objective-C specs to... + * objc/lang-specs.h: here. (New file.) Make the specs cpplib + aware. + + * c-lex.c (init_parse): Always initialize the filename global. + * objc/objc-act.c (lang_init): Always call check_newline at + beginning of file. + +Wed Nov 25 00:48:29 1998 Graham <grahams@rcp.co.uk> + + * reload1.c (reload): Remove unused variable. + (reload_reg_free_for_value_p): Add missing parameter definition. + + * jump.c (jump_optimize): Remove unused variable. + +Wed Nov 25 00:07:11 1998 Jeffrey A Law (law@cygnus.com) + + * Makefile.in (graph.o): Depend on $(RTL_H), not rtl.h. + + * cse.c (fold_rtx): Make autoincrement addressing mode tests be + runtime selectable. + * expr.c (move_by_pieces): Similarly. + (move_by_pieces_1, clear_by_pieces, clear_by_pieces_1): Similarly. + * flow.c (find_auto_inc): Similarly. + (try_pre_increment): Similarly. + * loop.c (strength_reduce): Similarly. + * regclass.c (auto_inc_dec_reg_p): Similarly. + * regmove.c (try_auto_increment): Similarly. + (fixup_match_1): Similarly. + * rtl.h (HAVE_PRE_INCREMENT): Define if not already defined. + (HAVE_PRE_DECREMENT): Similarly. + (HAVE_POST_INCREMENT, HAVE_POST_DECREMENT): Similarly. + * Corresponding changes to all target header files. + * tm.texi: Update docs for autoinc addressing modes. + +Tue Nov 24 20:24:59 1998 Jim Wilson <wilson@cygnus.com> + + * configure.in (m68020-*-elf*, m68k-*-elf*): New targets. + * configure: Rebuild. + * config/elfos.h: New file. + * config/m68k/m68020-elf.h, config/m68k/m68kelf.h, + config/m68k/t-m68kelf: New file. + +Tue Nov 24 13:40:06 1998 Jeffrey A Law (law@cygnus.com) + + * Makefile.in (HOST_AR): Define. + (HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Similarly. + (libcpp.a): Use the host tools explicitly. + (STAGESTUFF): Add libcpp.a. + +Tue Nov 24 09:33:49 1998 Nick Clifton <nickc@cygnus.com> + + * config/m32r/m32r.md (movstrsi_internal): Describe changes made + to source and destination registers. + +Mon Nov 23 20:28:02 1998 Mike Stump <mrs@wrs.com> + + * libgcc2.c (top_elt): Remove top_elt, it isn't thread safe. + The strategy we now use is to pre allocate the top_elt along + with the EH context so that each thread has its own top_elt. + This is necessary as the dynamic cleanup chain is used on the + top element of the stack and each thread MUST have its own. + (eh_context_static): Likewise. + (new_eh_context): Likewise. + (__sjthrow): Likewise. + +Mon Nov 23 20:25:03 1998 Jason Merrill <jason@yorick.cygnus.com> + + * i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Wrap in do...while. + * i386.md (prologue_get_pc): Remove unused variable. + +Mon Nov 23 17:05:40 1998 Geoffrey Noer <noer@cygnus.com> + + * i386/xm-cygwin.h: Rename cygwin_ path funcs back to cygwin32_. + +Mon Nov 23 16:40:00 1998 Ulrich Drepper <drepper@cygnus.com> + + * Makefile.in (OBJS): Add graph.o. + (graph.o): New dependency list. + * flags.h: Declare dump_for_graph and define graph_dump_types type. + * print-rtl.c (dump_for_graph): Define new variable. + (print_rtx): Rewrite to allow use in graph dumping functions. + * toplev.c: Declare print_rtl_graph_with_bb, clean_graph_dump_file, + finish_graph_dump_file. + Define graph_dump_format. + (compile_file): If graph dumping is enabled also clear these files. + Finish graph dump files. + (rest_of_compilation): Also dump graph information if enabled. + (main): Recognize -dv to enabled VCG based graph dumping. + * graph.c: New file. Graph dumping functions. + +Mon Nov 23 16:39:04 1998 Richard Henderson <rth@cygnus.com> + + * configure.in: Look for <sys/stat.h>. + * system.h: Include it before substitute S_ISREG definitions. + +Mon Nov 23 17:40:37 1998 Gavin Romig-Koch <gavin@cygnus.com> + + * config/mips/abi.h: Use ABI_O64, duplicating ABI_32 usage. + * config/mips/iris6.h: Same. + * config/mips/mips.md: Same. + * config/mips/mips.c: Same; also add "-mabi=o64" option. + * config/mips/mips.h: Same; also define ABI_O64. + +Mon Nov 23 17:02:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * configure.in: Use AC_PREREQ(2.12.1). + +Mon Nov 23 10:16:38 1998 Melissa O'Neill <oneill@cs.sfu.ca> + + * cccp.c (S_ISREG, S_ISDIR): Delete defines. + * cpplib.c, gcc.c: Likewise. + * system.h (S_ISREG, S_ISDIR): Define if not already defined. + +Mon Nov 23 09:53:44 1998 Richard Henderson <rth@cygnus.com> + + * local-alloc.c (local_alloc): Use malloc not alloca for + reg_qty, reg_offset, ref_next_in_qty. + +Mon Nov 23 16:46:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * caller-save.c (insert_one_insn): Initialize the live_before and + live_after register sets. + + Add SH4 support: + + * config/sh/lib1funcs.asm (___movstr_i4_even, ___movstr_i4_odd): Define. + (___movstrSI12_i4, ___sdivsi3_i4, ___udivsi3_i4): Define. + * sh.c (reg_class_from_letter, regno_reg_class): Add DF_REGS. + (fp_reg_names, assembler_dialect): New variables. + (print_operand_address): Handle SUBREGs. + (print_operand): Added 'o' case. + Don't use adj_offsettable_operand on PRE_DEC / POST_INC. + Name of FP registers depends on mode. + (expand_block_move): Emit different code for SH4 hardware. + (prepare_scc_operands): Use emit_sf_insn / emit_df_insn as appropriate. + (from_compare): Likewise. + (add_constant): New argument last_value. Changed all callers. + (find_barrier): Don't try HImode load for FPUL_REG. + (machine_dependent_reorg): Likewise. + (sfunc_uses_reg): A CLOBBER cannot be the address register use. + (gen_far_branch): Emit a barrier after the new jump. + (barrier_align): Don't trust instruction lengths before + fixing up pcloads. + (machine_dependent_reorg): Add support for FIRST_XD_REG .. LAST_XD_REG. + Use auto-inc addressing for fp registers if doubles need to + be loaded in two steps. + Set sh_flag_remove_dead_before_cse. + (push): Support for TARGET_FMOVD. Use gen_push_fpul for fpul. + (pop): Support for TARGET_FMOVD. Use gen_pop_fpul for fpul. + (calc_live_regs): Support for TARGET_FMOVD. Don't save FPSCR. + Support for FIRST_XD_REG .. LAST_XD_REG. + (sh_expand_prologue): Support for FIRST_XD_REG .. LAST_XD_REG. + (sh_expand_epilogue): Likewise. + (sh_builtin_saveregs): Use DFmode moves for fp regs on SH4. + (initial_elimination_offset): Take TARGET_ALIGN_DOUBLE into account. + (arith_reg_operand): FPUL_REG is OK for SH4. + (fp_arith_reg_operand, fp_extended_operand): New functions. + (tertiary_reload_operand, fpscr_operand): Likewise. + (commutative_float_operator, noncommutative_float_operator): Likewise. + (binary_float_operator, get_fpscr_rtx, emit_sf_insn): Likewise. + (emit_df_insn, expand_sf_unop, expand_sf_binop): Likewise. + (expand_df_unop, expand_df_binop, expand_fp_branch): Likewise. + (emit_fpscr_use, mark_use, remove_dead_before_cse): Likewise. + * sh.h (CPP_SPEC): Add support for -m4, m4-single, m4-single-only. + (CONDITIONAL_REGISTER_USAGE): Likewise. + (HARD_SH4_BIT, FPU_SINGLE_BIT, SH4_BIT, FMOVD_BIT): Define. + (TARGET_CACHE32, TARGET_SUPERSCALAR, TARGET_HARWARD): Define. + (TARGET_HARD_SH4, TARGET_FPU_SINGLE, TARGET_SH4, TARGET_FMOVD): Define. + (target_flag): Add -m4, m4-single, m4-single-only, -mfmovd. + (OPTIMIZATION_OPTIONS): If optimizing, set flag_omit_frame_pointer + to -1 and sh_flag_remove_dead_before_cse to 1. + (ASSEMBLER_DIALECT): Define to assembler_dialect. + (assembler_dialect, fp_reg_names): Declare. + (OVERRIDE_OPTIONS): Add code for TARGET_SH4. + Hide names of registers that are not accessible. + (CACHE_LOG): Take TARGET_CACHE32 into account. + (LOOP_ALIGN): Take TARGET_HARWARD into account. + (FIRST_XD_REG, LAST_XD_REG, FPSCR_REG): Define. + (FIRST_PSEUDO_REGISTER: Now 49. + (FIXED_REGISTERS, CALL_USED_REGISTERS): Include values for registers. + (HARD_REGNO_NREGS): Special treatment of FIRST_XD_REG .. LAST_XD_REG. + (HARD_REGNO_MODE_OK): Update. + (enum reg_class): Add DF_REGS and FPSCR_REGS. + (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REG_ALLOC_ORDER): Likewise. + (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Update. + (CLASS_CANNOT_CHANGE_SIZE, DEBUG_REGISTER_NAMES): Define. + (NPARM_REGS): Eight floating point parameter registers on SH4. + (BASE_RETURN_VALUE_REG): SH4 also passes double values + in floating point registers. + (GET_SH_ARG_CLASS): Likewise. + Complex float types are also returned in float registers. + (BASE_ARG_REG): Complex float types are also passes in float registers. + (FUNCTION_VALUE): Change mode like PROMOTE_MODE does. + (LIBCALL_VALUE): Remove trailing semicolon. + (ROUND_REG): Round when double precision value is passed in floating + point register(s). + (FUNCTION_ARG_ADVANCE): No change wanted for SH4 when things are + passed on the stack. + (FUNCTION_ARG): Little endian adjustment for SH4 SFmode. + (FUNCTION_ARG_PARTIAL_NREGS): Zero for SH4. + (TRAMPOLINE_ALIGNMENT): Take TARGET_HARWARD into account. + (INITIALIZE_TRAMPOLINE): Emit ic_invalidate_line for TARGET_HARWARD. + (MODE_DISP_OK_8): Not for SH4 DFmode. + (GO_IF_LEGITIMATE_ADDRESS): No base reg + index reg for SH4 DFmode. + Allow indexed addressing for PSImode after reload. + (LEGITIMIZE_ADDRESS): Not for SH4 DFmode. + (LEGITIMIZE_RELOAD_ADDRESS): Handle SH3E SFmode. + Don't change SH4 DFmode nor PSImode RELOAD_FOR_INPUT_ADDRESS. + (DOUBLE_TYPE_SIZE): 64 for SH4. + (RTX_COSTS): Add PLUS case. + Increase cost of ASHIFT, ASHIFTRT, LSHIFTRT case. + (REGISTER_MOVE_COST): Add handling of R0_REGS, FPUL_REGS, T_REGS, + MAC_REGS, PR_REGS, DF_REGS. + (REGISTER_NAMES): Use fp_reg_names. + (enum processor_type): Add PROCESSOR_SH4. + (sh_flag_remove_dead_before_cse): Declare. + (rtx_equal_function_value_matters, fpscr_rtx, get_fpscr_rtx): Declare. + (PREDICATE_CODES): Add binary_float_operator, + commutative_float_operator, fp_arith_reg_operand, fp_extended_operand, + fpscr_operand, noncommutative_float_operator. + (ADJUST_COST): Use different scale for TARGET_SUPERSCALAR. + (SH_DYNAMIC_SHIFT_COST): Cheaper for SH4. + * sh.md (attribute cpu): Add value sh4. + (attrbutes fmovd, issues): Define. + (attribute type): Add values dfp_arith, dfp_cmp, dfp_conv, dfdiv. + (function units memory, int, mpy, fp): Make dependent on issue rate. + (function units issue, single_issue, load_si, load): Define. + (function units load_store, fdiv, gp_fpul): Define. + (attribute hit_stack): Provide proper default. + (use_sfunc_addr+1, udivsi3): Predicated on ! TARGET_SH4. + (udivsi3_i4, udivsi3_i4_single, divsi3_i4, divsi3_i4_single): New insns. + (udivsi3, divsi3): Emit special patterns for SH4 hardware, + (mulsi3_call): Now uses match_operand for function address. + (mulsi3): Also emit code for SH1 case. Wrap result in REG_LIBCALL / + REG_RETVAL notes. + (push, pop, push_e, pop_e): Now define_expands. + (push_fpul, push_4, pop_fpul, pop_4, ic_invalidate_line): New expanders. + (movsi_ie): Added y/i alternative. + (ic_invalidate_line_i, movdf_i4): New insns. + (movdf_i4+[123], reload_outdf+[12345], movsi_y+[12]): New splitters. + (reload_indf, reload_outdf, reload_outsf, reload_insi): New expanders. + (movdf): Add special code for SH4. + (movsf_ie, movsf_ie+1, reload_insf, calli): Make use of fpscr visible. + (call_valuei, calli, call_value): Likewise. + (movsf): Emit no-op move. + (mov_nop, movsi_y): New insns. + (blt, sge): Generalize to handle DFmode. + (return predicate): Call emit_fpscr_use and remove_dead_before_cse. + (block_move_real, block_lump_real): Predicate on ! TARGET_HARD_SH4. + (block_move_real_i4, block_lump_real_i4, fpu_switch): New insns. + (fpu_switch0, fpu_switch1, movpsi): New expanders. + (fpu_switch+[12], fix_truncsfsi2_i4_2+1): New splitters. + (toggle_sz): New insn. + (addsf3, subsf3, mulsf3, divsf3): Now define_expands. + (addsf3_i, subsf3_i, mulsf3_i4, mulsf3_ie, divsf3_i): New insns. + (macsf3): Make use of fpscr visible. Disable for SH4. + (floatsisf2): Make use of fpscr visible. + (floatsisf2_i4): New insn. + (floatsisf2_ie, fixsfsi, cmpgtsf_t, cmpeqsf_t): Disable for SH4. + (ieee_ccmpeqsf_t): Likewise. + (fix_truncsfsi2): Emit different code for SH4. + (fix_truncsfsi2_i4, fix_truncsfsi2_i4_2, cmpgtsf_t_i4): New insns. + (cmpeqsf_t_i4, ieee_ccmpeqsf_t_4): New insns. + (negsf2, sqrtsf2, abssf2): Now expanders. + (adddf3, subdf3i, muldf2, divdf3, floatsidf2): New expanders. + (negsf2_i, sqrtsf2_i, abssf2_i, adddf3_i, subdf3_i): New insns. + (muldf3_i, divdf3_i, floatsidf2_i, fix_truncdfsi2_i): New insns. + (fix_truncdfsi2, cmpdf, negdf2, sqrtdf2, absdf2): New expanders. + (fix_truncdfsi2_i4, cmpgtdf_t, cmpeqdf_t, ieee_ccmpeqdf_t): New insns. + (fix_truncdfsi2_i4_2+1): New splitters. + (negdf2_i, sqrtdf2_i, absdf2_i, extendsfdf2_i4): New insns. + (extendsfdf2, truncdfsf2): New expanders. + (truncdfsf2_i4): New insn. + * t-sh (LIB1ASMFUNCS): Add _movstr_i4, _sdivsi3_i4, _udivsi3_i4. + (MULTILIB_OPTIONS): Add m4-single-only/m4-single/m4. + * float-sh.h: When testing for __SH3E__, also test for + __SH4_SINGLE_ONLY__ . + * va-sh.h (__va_freg): Define to float. + (__va_greg, __fa_freg, __gnuc_va_list, va_start): + Define for __SH4_SINGLE_ONLY__ like for __SH3E__ . + (__PASS_AS_FLOAT, __TARGET_SH4_P): Likewise. + (__PASS_AS_FLOAT): Use different definition for __SH4__ and + __SH4_SINGLE__. + (TARGET_SH4_P): Define. + (va_arg): Use it. + + * sh.md (movdf_k, movsf_i): Tweak the condition so that + init_expr_once is satisfied about the existence of load / store insns. + + * sh.md (movsi_i, movsi_ie, movsi_i_lowpart, movsf_i, movsf_ie): + Change m constraint in source operand to mr / mf. + + * va-sh.h (__va_arg_sh1): Use __asm instead of asm. + + * (__VA_REEF): Define. + (__va_arg_sh1): Use it. + + * va-sh.h (va_start, va_arg, va_copy): Add parentheses. + +Sun Nov 22 21:34:02 1998 Jeffrey A Law (law@cygnus.com) + + * i386/dgux.c (struct option): Add new "description field". + * m88k/m88k.c (struct option): Likewise. + +Sun Nov 22 16:07:57 1998 Jeff Law (law@cygnus.com) + + * version.c: Bump for snapshot. + +Sun Nov 22 13:40:02 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de> + + * regmove.c (regmove_profitable_p): Use return value of find_matches + properly. + +Sun Nov 22 02:47:37 1998 Jeff Law (law@cygnus.com) + + * version.c: Bump for snapshot. + +Sat Nov 21 22:12:09 1998 Jeffrey A Law (law@cygnus.com) + + * reload1.c (eliminate_regs): Do not lose if eliminate_regs is called + without reload having been called earlier. + + * v850.c (ep_memory_operand): Offsets < 0 are not valid for EP + addressing modes. + (v850_reorg): Similarly. + + * loop.c (check_dbra_loop): Avoid using gen_add2_insn. + +Sat Nov 21 02:18:38 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * loop.c (move_movables): Start of libcall might be new loop start. + +Fri Nov 20 12:14:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * hash.c (hash_table_init_n): Wrap prototype arguments in PARAMS(). + +Fri Nov 20 08:34:00 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de> + + * function.c (nonlocal_goto_handler_slots): Renamed from + nonlocal_goto_handler_slot; now an EXPR_LIST chain. + (push_function_context_to): Adjust for this change. + (pop_function_context_from): Likewise. + (init_function_start): Likewise. + (expand_function_end): Likewise. + * function.h (struct function): Likewise. + * calls.c (expand_call): Likewise. + * explow.c (allocate_dynamic_stack_space): Likewise. + * expr.h (nonlocal_goto_handler_slots): Rename its declaration. + * stmt.c (declare_nonlocal_label): Make a new handler slot for each + label. + (expand_goto): When doing a nonlocal goto, find corresponding handler + slot for it. Don't put the label address in the static chain register. + (expand_end_bindings): Break out nonlocal goto handling code into + three new functions. + (expand_nl_handler_label, expand_nl_goto_receiver, + expand_nl_goto_receivers): New static functions, broken out of + expand_end_bindings and adapted to create one handler per nonlocal + label. + * function.c (delete_handlers): Delete insn if it references any of + the nonlocal goto handler slots. + * i960.md (nonlocal_goto): Comment out code that modifies + static_chain_rtx. + * sparc.md (nonlocal_goto): Likewise. + (goto_handler_and_restore_v9): Comment out. + (goto_handler_and_restore_v9_sp64): Comment out. + +Thu Nov 19 23:44:38 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de> + + * expr.c (STACK_BYTES): Delete unused macro. + * calls.c: Provide default for PREFERRED_STACK_BOUNDARY. + (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY. + (expand_call): Likewise. + (emit_library_call): Likewise. + (emit_library_call_value): Likewise. + * function.c: Provide default for PREFERRED_STACK_BOUNDARY. + (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY. + * explow.c: Provide default for PREFERRED_STACK_BOUNDARY. + (round_push): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY. + (allocate_dynamic_stack_space): Likewise. + * tm.texi (PREFERRED_STACK_BOUNDARY): Document new macro. + (STACK_BOUNDARY): Update description to reflect the new situation. + +Thu Nov 19 22:20:51 1998 Jeffrey A Law (law@cygnus.com) + + * reorg.c (relax_delay_slots): When optimizing for code size, if a + return with a filled delay slot is followed by a return with an + unfilled delay slot, delete the first return and reemit the insn + that was previously in its delay slot. + + * i860.c (single_insn_src_p): Add missing parens. + * ginclude/math-3300.h: Likewise. + +Thu Nov 19 20:55:59 1998 H.J. Lu (hjl@gnu.org) + + * regclass.c (init_reg_sets_1): Add prototype. + (init_reg_modes): Likewise. + +1998-11-19 Zack Weinberg <zack@rabi.phys.columbia.edu> + + * c-common.c: Change warning messages to say `comparison is + always true' or `comparison is always false' instead of the + confusing `is always 0', `is always 1'. + +Thu Nov 19 19:05:49 1998 Per Bothner <bothner@cygnus.com> + + * print-tree.c (print_node): After printing BLOCK or BIND_EXPR, + break instead of return (which loses closing '>'). + +Thu Nov 19 19:34:13 1998 Jeffrey A Law (law@cygnus.com) + + * i386.h (LEGITIMATE_CONSTANT_P): Reject CONST_DOUBLEs that are not + standard 387 constants. + + * i386.md (jump): Explicitly set "memory" attribute. + (indirect_jump, prologue_set_stack_ptr): Likewise. + (prologue_get_pc_and_set_got, pop): Likewise. + (allocate_stack_worder, blockage, return_internal): Likewise. + (return_pop_internal, nop): Likewise. + (epilogue_set_stack_ptr, leave): Likewise. + +Thu Nov 19 15:42:54 1998 Nick Clifton <nickc@cygnus.com> + + * config/arm/coff.h: Set USER_LABEL_PREFIX to "_". + +Thu Nov 19 23:20:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * reload1.c (reload_reg_free_for_value_p): + Early auto_inc reloads don't conflict with outputs. + +Thu Nov 19 12:58:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * configure.in: Don't do AC_CHECK_HEADERS(wait.h sys/wait.h). + Instead call AC_HEADER_SYS_WAIT. + + * collect2.c: Don't provide defaults for sys/wait.h macros. + * gcc.c: Likewise. + * protoize.c: Likewise. Also, don't include sys/wait.h. + + * system.h: Include sys/wait.h and provide macro defaults. + +1998-11-19 Andreas Schwab <schwab@issan.cs.uni-dortmund.de> + + * Makefile.in (mandir): Set to @mandir@. + (man1dir): New variable to hold the former value of $(mandir). + Replace all uses of $(mandir) by $(man1dir). + +Wed Nov 18 16:31:28 1998 Jim Wilson <wilson@cygnus.com> + + * reload.c (find_reloads_address_part): If have a CONST_INT, create + a new one before passing it to force_const_mem. + + * reload.c (find_reloads_toplev): Pass &x instead of NULL_PTR in + find_reloads_address call. + +Wed Nov 18 22:13:00 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * expr.c (store_expr): Don't generate load-store pair + if TEMP is identical (according to ==) with TARGET. + +Tue Nov 17 22:25:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * reload1.c (reload_reg_free_for_value_p): When considered reload + has an output, matching inputs are not sufficient to avoid conflict. + +Tue Nov 17 11:51:16 1998 Mark Mitchell <mark@markmitchell.com> + + * hash.h (hash_table_key): New type. + (hash_entry): Change `string' field to generic `key'. + (hash_table): Add `comp' and `hash' functions. + (hash_table_init): Take them as input. + (hash_table_init_n): Likewise. + (hash_lookup): Modify for generic keys. + (hash_newfunc): Likewise. + (hash_traverse): Likewise. + (string_hash): New function. + (string_compare): Likewise. + (string_copy): Likewise. + * hash.c (hash_table_init_n): Modify for generic keys. + (hash_table_init): Likewise. + (hash_lookup): Likewise. + (hash_newfunc): Likewise. + (hash_traverse): Likewise. + (string_hash): Split out from hash_lookup. + (string_compare): New function. + (string_copy): Split out from hash_lookup. + * tlink.c (symbol_hash_newfunc): Modify for new interfaces to hash + tables. + (symbol_hash_lookup): Likewise. + (file_hash_newfunc): Likewise. + (file_hash_lookup): Likewise. + (demangled_hash_newfunc): Likewise. + (demangled_hash_lookup): Likewise. + (tlink_int): Likewise. + (read_repo_file): Likewise. + (recompile_files): Likewise. + (demangle_new_symbols): Likewise. + (scan_linker_output): Likewise. + +Tue Nov 17 17:13:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * flow.c (insn_dead_p): New argument NOTES. Changed all callers. + +Mon Nov 16 17:56:07 1998 David Edelsohn <edelsohn@gnu.org> + + * rs6000.c (output_mi_thunk): Improve test for local branch. + +Mon Nov 16 17:56:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com> + + * rs6000.c (output_mi_thunk): Correct test for aggregate values. + +Mon Nov 16 21:02:52 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * reload1.c (reload_reg_free_before_p): Delete. + Changed all callers to use reload_reg_free_for_value_p instead. + (reload_reg_free_for_value_p): Handle more reload types. + A RELOAD_FOR_INPUT doesn't conflict with its + RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS. + Add special case for OUT == const0_rtx. + Added ignore_address_reloads argument. Changed all callers. + +Mon Nov 16 02:22:29 1998 Jason Merrill <jason@yorick.cygnus.com> + + * toplev.c (compile_file): Don't pedwarn about undefined static + functions just because we passed -Wunused. + +Mon Nov 16 04:41:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * function.c (purge_addressof_1): Unshare rtl created by + store_bit_field. + +Mon Nov 16 04:23:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * regmove.c (regmove_optimize): Don't do anything but + optimize_reg_copy[123] when flag_regmove is not set. + +Sat Nov 14 15:05:07 1998 Richard Henderson <rth@cygnus.com> + + * alpha.md (addsi3, subsi3): Revise 5 Nov change to store DImode + value in paradoxical SImode result, rather than truncating midpoint. + +Fri Nov 13 22:19:23 1998 Richard Henderson <rth@cygnus.com> + + * alpha.c (reg_not_elim_operand): New. + * alpha.h (PREDICATE_CODES): Add it. + * alpha.md (s48addq, s48subq patterns): Use it as the predicate + for the multiplicand. + +Fri Nov 13 22:50:37 1998 David Edelsohn <edelsohn@gnu.org> + + * rs6000.md (movsf): Remove explicit secondary-reload-like + functionality. Only truncate SFmode store if in FPR. + (movsf splitters): Combine const_double splitters. + (movsf_hardfloat): Add GPR support. + +Fri Nov 13 11:02:11 1998 Stan Cox <scox@cygnus.com> + + * splet.h (SUBTARGET_OVERRIDE_OPTIONS): New to + deprecate -mlive-g0 and -mbroken-saverestore. + * t-splet (MULTILIB_OPTIONS): Likewise. + + * sparc.c (sparc_flat_compute_frame_size): Correctly calc args_size + in a leaf function. Clarify total_size/extra_size relationship. + +Thu Nov 12 19:20:57 1998 Geoffrey Noer <noer@cygnus.com> + + * i386/cygwin32.asm: Delete. + * i386/cygwin.asm: New file, renamed from cygwin32.asm. + * i386/cygwin32.h: Delete. + * i386/cygwin.h: New file, renamed from cygwin32.h. + * i386/t-cygwin32: Delete. + * i386/t-cygwin: New file, renamed from t-cygwin32. Include + cygwin.asm instead of cygwin32.asm. Remove "32" from comment. + * i386/x-cygwin32: Delete. + * i386/x-cygwin: New file, renamed from x-cygwin32. + * i386/xm-cygwin32: Delete. + * i386/xm-cygwin: New file, renamed from xm-cygwin32. Use newly + renamed cygwin_ funcs for path translations. + * i386/win32.h: Define __CYGWIN__ when -mcygwin given. + * i386/winnt.c: Remove "32" from comment about cygwin. + * i386/mingw32.h: Fix references to cygwin32.h in light of above. + * rs6000/cygwin32.h: Delete. + * rs6000/cygwin.h: New file, renamed from cygwin32.h. Add + -D__CYGWIN__ to CPP_PREDEFINES. + * rs6000/x-cygwin32: Delete. + * rs6000/x-cygwin: New file, renamed from x-cygwin32. + * rs6000/xm-cygwin32: Delete. + * rs6000/xm-cygwin: New file, renamed from xm-cygwin32. + + * configure.in: Check for cygwin* instead of cygwin32. Account + for the rename of cygwin-related config files to lose the "32"s. + * configure: Regenerate. + + * cccp.c, collect2.c, gcc.c, getpwd.c, libgcc2.c, protoize.c, + toplev.c: Change all refs to __CYGWIN32__ to __CYGWIN__. + +Wed Nov 11 12:25:19 1998 Tom Tromey <tromey@cygnus.com> + + * Makefile.in (JAVAGC): New macro. + * configure: Rebuilt. + * configure.in: Recognize --enable-java-gc argument. Subst + `JAVAGC' variable. + +Thu Nov 12 03:32:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + Handle equivalences that have been obscured by gcse: + + * reload1.c (reload): Handle equivalences set up in multiple places. + * local-alloc.c (reg_equiv_init_insns): New variable. + (no_equiv): New function. + (update_equiv_regs): Handle equivalences set up in multiple places. + Don't ignore an insn just because its destination is likely to be + spilled. + +Wed Nov 11 13:46:13 1998 Jim Wilson <wilson@cygnus.com> + + * except.c (expand_eh_return): Readd force_operand call lost in + Sept 15 change. + +Tue Nov 10 17:04:11 1998 David Edelsohn <edelsohn@gnu.org> + + * rs6000.h (LEGITIMIZE_ADDRESS): Add missing goto on last case. + +1998-11-09 Andreas Schwab <schwab@issan.cs.uni-dortmund.de> + + * dbxout.c: Check HAVE_STAB_H instead of HAVE_STABS_H. + +Mon Nov 9 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de> + + * regmove.c (regmove_optimize): Fix error in last change. + +Mon Nov 9 16:37:52 1998 Andrew Cagney <cagney@b1.cygnus.com> + + * mips.c (function_prologue): When TARGET_MIPS16, adjust the register + offset in the .mask pseudo to compensate for frame pointer adjustments. + (mips16_fp_args, build_mips16_call_stub): For little endian, do not + word swap arguments moved to/from FP registers. + * mips16.S (DFREVCMP): Reverse arguments to OPCODE. + +Mon Nov 9 09:47:06 1998 Jeff Law (law@cygnus.com) + + * version.c: Bump for snapshot. + +Mon Nov 9 02:14:14 1998 Jeff Law (law@cygnus.com) + + * version.c: Bump for snapshot. + +Mon Nov 9 03:06:24 1998 Jeffrey A Law (law@cygnus.com) + + * reload1.c (delete_output_reload_insn): If a pseudo is set multiple + times, then it can not be completely replaced. + +Mon Nov 9 00:39:02 1998 Richard Henderson <rth@cygnus.com> + + * alpha.md (call, call_value) [OSF]: Correct alt 3 insn length. + +Sun Nov 8 17:50:30 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * gansidecl.h: Prepend a "G" to the macro wrapping this file + (to distinguish it from the macro wrapping ansidecl.h.) + Include libiberty's ansidecl.h. Remove all redundant definitions. + Define the PROTO() style macros in terms of the PARAMS() ones. + + + * calls.c (emit_library_call): Switch on ANSI_PROTOTYPES, not + __STDC__, when deciding whether to use ANSI variable args. + (emit_library_call_value): Likewise. + + * cccp.c (error): Likewise. + (warning): Likewise. + (error_with_line): Likewise. + (warning_with_line): Likewise. + (pedwarn): Likewise. + (pedwarn_with_line): Likewise. + (pedwarn_with_file_and_line): Likewise. + (fatal): Likewise. + + * cexp.y (error): Likewise. + (pedwarn): Likewise. + (warning): Likewise. + + * collect2.c (fatal_perror): Likewise. + (fatal): Likewise. + (error): Likewise. + + * combine.c (gen_rtx_combine): Likewise. + + * cpperror.c (cpp_message): Likewise. + (cpp_fatal): Likewise. + + * cpplib.c (cpp_error): Likewise. + (cpp_warning): Likewise. + (cpp_pedwarn): Likewise. + (cpp_error_with_line): Likewise. + (cpp_warning_with_line): Likewise. + (cpp_pedwarn_with_line): Likewise. + (cpp_pedwarn_with_file_and_line): Likewise. + + * cpplib.h: Don't define PARAMS() macro. + + * demangle.h: Likewise. + + * doprint.c (checkit): Switch on ANSI_PROTOTYPES, not __STDC__, + when deciding whether to use ANSI variable args. + + * emit-rtl.c (gen_rtx): Likewise. + (gen_rtvec): Likewise. + + * final.c (asm_fprintf): Likewise. + + * fix-header.c (cpp_message): Likewise. + (fatal): Likewise. + (cpp_fatal): Likewise. + + * gcc.c (concat): Likewise. + (fatal): Likewise. + (error): Likewise. + + * genattr.c (fatal): Likewise. + + * genattrtab.c (attr_rtx): Likewise. + (attr_printf): Likewise. + (fatal): Likewise. + + * gencodes.c (fatal): Likewise. + + * genconfig.c (fatal): Likewise. + + * genemit.c (fatal): Likewise. + + * genextract.c (fatal): Likewise. + + * genflags.c (fatal): Likewise. + + * genopinit.c (fatal): Likewise. + + * genoutput.c (fatal): Likewise. + (error): Likewise. + + * genpeep.c (fatal): Likewise. + + * genrecog.c (fatal): Likewise. + + * halfpic.h: Switch on ANSI_PROTOTYPES, not __STDC__, when + deciding whether to declare `tree_node' and `rtx_def'. + + * hash.h: Don't define stuff we get from gansidecl.h. + + * mips-tfile.c: Likewise. Define __proto() in terms of PARAMS(). + (fatal): Switch on ANSI_PROTOTYPES, not __STDC__, when deciding + whether to use ANSI variable args. + (error): Likewise. + + * prefix.c (concat): Likewise. + + * scan.h: Likewise. + + * system.h: Likewise. + + * toplev.c (error_with_file_and_line): Likewise. + (error_with_decl): Likewise. + (error_for_asm): Likewise. + (error): Likewise. + (fatal): Likewise. + (warning_with_file_and_line): Likewise. + (warning_with_decl): Likewise. + (warning_for_asm): Likewise. + (warning): Likewise. + (pedwarn): Likewise. + (pedwarn_with_decl): Likewise. + (pedwarn_with_file_and_line): Likewise. + (sorry): Likewise. + (really_sorry): Likewise. + + * toplev.h: Switch on ANSI_PROTOTYPES, not __STDC__, when deciding + whether to declare `tree_node' and `rtx_def'. + + * tree.c (build): Switch on ANSI_PROTOTYPES, not __STDC__, when + deciding whether to use ANSI variable args. + (build_nt): Likewise. + (build_parse_node): Likewise. + +Sun Nov 8 13:10:55 1998 Jeff Law (law@cygnus.com) + + * version.c: Bump for snapshot. + +Sat Nov 7 23:34:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * Makefile.in (libcpp.a): Check RANLIB_TEST before runing RANLIB. + +Sat Nov 7 22:26:19 1998 David Edelsohn <edelsohn@gnu.org> + + * collect2.c (main, case 'b'): Use else if. + +Sat Nov 7 15:35:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * configure.in (host_xm_file, build_xm_file, xm_file, tm_file): + Arrange to include gansidecl.h in {ht}config.h & tm.h just + before the config/ directory headers. + (tm_file_list, host_xm_file_list, build_xm_file_list): Handle + gansidecl.h in the list of dependencies. + + * Makefile.in (RTL_BASE_H): Don't depend on gansidecl.h. + (TREE_H, DEMANGLE_H, RECOG_H, REGS_H, libgcc2.a, stmp-multilib, + mbchar.o, collect2.o, pexecute.o, vfprintf.o, splay-tree.o, gcc.o, + gencheck.o, choose-temp.o, mkstemp.o, mkstemp.o, prefix.o, + dyn-string.o, cexp.o, cccp.o, cppmain.o, cpplib.o, cpperror.o, + cppexp.o, cppfiles.o, cpphash.o, cppalloc.o, scan-decls.o): + Likewise. + + * cccp.c: Don't include gansidecl.h. + * cexp.y: Likewise. + * collect2.c: Likewise. + * config/c4x/c4x.c: Likewise. + * config/v850/v850.h: Likewise. + * cppalloc.c: Likewise. + * cpperror.c: Likewise. + * cppexp.c: Likewise. + * cppfiles.c: Likewise. + * cpphash.c: Likewise. + * cpplib.c: Likewise. + * cppmain.c: Likewise. + * cppulp.c: Likewise. + * demangle.h: Likewise. + * doprint.c: Likewise. + * dyn-string.c: Likewise. + * eh-common.h: Likewise. + * fix-header.c: Likewise. + * frame.c: Likewise. + * gcc.c: Likewise. + * gcov.c: Likewise. + * gen-protos.c: Likewise. + * gencheck.c: Likewise. + * halfpic.h: Likewise. + * hash.c: Likewise. + * machmode.h: Likewise. + * mbchar.c: Likewise. + * prefix.c: Likewise. + * protoize.c: Likewise. + * recog.h: Likewise. + * rtl.h: Likewise. + * scan-decls.c: Likewise. + * tree.h: Likewise. + * varray.h: Likewise. + +Sat Nov 7 11:37:53 1998 Richard Henderson <rth@cygnus.com> + + * i386.md (call_value_pop): If we're not popping anything, + defer to call_value. + (call_pop): Likewise defer to call. + +Sat Nov 7 02:49:56 1998 Richard Henderson <rth@cygnus.com> + + * function.c (purge_addressof): Clear purge_addressof_replacements + only after processing the whole function. + +Sat Nov 7 00:54:55 1998 Jeffrey A Law (law@cygnus.com) + + * reload1.c (reload): If we can not perform a particular elimination + when we thought we could earlier, then we must always iterate through + the loop at least one more time. + +Fri Nov 6 19:37:33 1998 Richard Henderson <rth@cygnus.com> + + * alpha.c (add_operand): Simplify the CONST_INT match. + (sext_add_operand): Correct typo in comparison by using + CONST_OK_FOR_LETTER_P. + * alpha.md (s?addq): Use sext_add_operand to allow the negative + constant alternatives to be generated. + (mulsi3, muldi3, umuldi3_highpart): Loosen constraints to allow + small constants, since the hw instructions do. + +Fri Nov 6 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de> + + * reload1.c (emit_reload_insns): When rewriting the SET_DEST of a + previous insn to store directly into our reload register, make sure + that if the source of the previous insn is a reload register, its + spill_reg_store and spill_reg_stored_to values are cleared. + +Fri Nov 6 16:35:10 1998 David Edelsohn <edelsohn@gnu.org> + + * rs6000.md (floatunssidf2_internal splitter): Use base register + operand, not hard-coded SP. + +Fri Nov 6 04:07:53 1998 David S. Miller <davem@pierdol.cobaltmicro.com> + + * jump.c (calculate_can_reach_end): Fix thinko. + +Fri Nov 6 00:16:04 1998 Jeffrey A Law (law@cygnus.com) + + * reorg.c (fill_simple_delay_slots): Fix typo. + + * romp.h (LEGITIMIZE_ADDRESS): Fix typo. + +Fri Nov 6 00:10:00 1998 Jan Hubicka (hubicka@freesoft.cz) + + * i386.md (extendsidi2): Use # in the output template. + (extendsidi splitters): New splitters. + +Thu Nov 5 11:13:27 1998 Nick Clifton <nickc@cygnus.com> + + * configure.in: Use unknown-elf.h as tm_file for arm-elf + configurations. + * configure: Regenerate. + +Thu Nov 5 07:59:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com> + + * jump.c (init_label_info, delete_barrier_successors, + mark_all_labels, delete_unreferenced_labels, + delete_noop_moves, calculate_can_reach_end): New functions broken + out of jump_optimize. + (jump_optimize): Use them. + +Thu Nov 5 07:57:45 1998 Andrew MacLeod <amacleod@cygnus.com> + + * except.c (expand_fixup_region_end): Make sure outer context labels + are not issued in an inner context during cleanups. + +Thu Nov 5 04:03:06 1998 Richard Henderson <rth@cygnus.com> + + * alpha.md (addsi3, subsi3): No new temporaries once cse is + no longer expected. + +Thu Nov 5 03:29:19 1998 Richard Henderson <rth@cygnus.com> + + * alpha.md (addsi3, subsi3): Expand to a DImode temporary so as + to expose this midpoint to CSE. + +Thu Nov 5 03:42:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com> + + * config/sparc/sparc.md (movdf_const_intreg_sp64): Enable again. + +Thu Nov 5 10:53:01 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de> + + * configure.in: Bring over gcc2 change of Nov 19 1997. + +Wed Nov 4 23:43:08 1998 Graham <grahams@rcp.co.uk> + + * toplev.c (output_lang_identify): Make definition dependent on + ASM_IDENTIFY_LANGUAGE. + + * print-rtl.c (spaces): Make static. + +Wed Nov 4 22:16:36 1998 Hans-Peter Nilsson <hp@axis.se> + + * extend.texi: Clarify proper uses for register clobbers in asms. + +Wed Nov 4 22:16:36 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de> + + * recog.h (enum op_type): Define. + (constrain_operands): Adjust prototype. + (recog_op_type): Declare new variable. + * recog.c (recog_op_type): New variable. + (insn_invalid_p): Allow modifying an asm statement after reload. + (extract_insn): Set up recog_op_type. + (constrain_operands): Lose INSN_CODE_NUM arg. All callers changed. + Don't compute operand types, use recog_op_type. + Use the information computed by extract_insn instead of the previous + method of finding it by insn code number. + * caller-save.c (init_caller_save): Use extract_insn, not insn_extract. + * reorg.c (fill_slots_from_thread): Likewise. + * reload1.c (reload_as_needed): Likewise. + (gen_reload): Likewise. + (inc_for_reload): Likewise. + (reload_cse_simplify_operands): Likewise. + Use the information computed by extract_insn instead of the previous + method of finding it by insn code number. + * genattrtab.c (write_attr_case): Generate call to extract_insn, not + insn_extract. + * final.c (final_scan_insn): Use extract_insn, not insn_extract. + (cleanup_operand_subregs): Use extract_insn, not insn_extract. + Use the information computed by extract_insn instead of the previous + method of finding it by insn code number. + * regmove.c (find_matches): Likewise. Change meaning of the return + value to be nonzero if the optimization can be performed, zero if + not. All callers changed. + Shorten some variable names to fix formatting problems. + (regmove_optimize): Shorten some variable names to fix formatting + problems. + Use the information computed by extract_insn instead of the previous + method of finding it by insn code number. + * regclass.c (scan_one_insn): Likewise. + (record_reg_classes): Don't compute operand types, use recog_op_type. + * reload.c (find_reloads): Lose CONSTRAINTS1 variable; use + recog_constraints instead. + +Wed Nov 4 21:37:46 1998 Jeffrey A Law (law@cygnus.com) + + * rtl.h (flow2_completed): Declare. + * flow.c (flow2_completed): Definition. + * toplev.c (rest_of_compilation): Set and clear flow2_completed + as necessary. + +Wed Nov 4 19:15:37 1998 Melissa O'Neill <oneill@cs.sfu.ca> + + * Makefile.in (libcpp.a): Ranlib libcpp.a. + + * cppulp.c (user_label_prefix): Initialize. + +Wed Nov 4 19:07:08 1998 John Wehle (john@feith.com) + + * flow.c (mark_regs_live_at_end): Mark the stack pointer as live + at a RETURN if current_function_sp_is_unchanging is set. + +Wed Nov 4 18:16:29 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl> + + * emit-rtl.c (try_split): Fixed error in Oct 10 patch. + +Wed Nov 4 15:11:15 1998 Geoffrey Noer <noer@cygnus.com> + + * i386/cygwin32.h (MASK_WIN32, MASK_CYGWIN, MASK_WINDOWS, MASK_DLL, + TARGET_WIN32, TARGET_CYGWIN, TARGET_WINDOWS, TARGET_DLL): New. + (SUBTARGET_SWITCHES): Add -mno-cygwin, -mcygwin, and -mdll options. + (CPP_PREDEFINES): Don't define __CYGWIN32__ here. + (STARTFILE_SPEC): Handle -mdll, -mno-cygwin options. + (CPP_SPEC): Handle -mno-cygwin option. Define __CYWIN__ in addition + to __CYGWIN32__. + (LIB_SPEC): Handle -mno-cygwin option. + (LINK_SPEC): Handle -mdll. + +Wed Nov 4 22:56:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * reload.c (find_reloads): Fix test for usage by other reload + to handle secondary reloads properly. + +Wed Nov 4 17:25:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * reload1.c (ELIMINABLE_REGS, NUM_ELIMINABLE_REGS): Introduce an + intermediate structure which has exactly the members provided by + ELIMINABLE_REGS. Define NUM_ELIMINABLE_REGS in terms of the + static intermediate structure. + + (init_elim_table): Xmalloc() `reg_eliminate', and initialize it + from the intermediate structure. Do the same analogous fix in + the case where ELIMINABLE_REGS is not defined. + +Tue Nov 3 20:50:03 1998 Jeffrey A Law (law@cygnus.com) + + * pa.h (SELECT_SECTION): Fix thinko. + +Tue Nov 3 17:51:36 1998 Jim Wilson <wilson@cygnus.com> + + * dwarf2out.c (output_call_frame_info): Comments on last change. + +Tue Nov 3 07:51:43 1998 Richard Earnshaw (rearnsha@arm.com) + + * arm.c (add_constant): When taking the address of an item in the + pool, get the mode of the item addressed. + + * arm.c (final_prescan_insn case INSN): If an insn doesn't + contain a SET or a PARALLEL, don't consider it for conditional + execution. + + Restore ABI compatibility for NetBSD. + * arm/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Override setting in + arm.h. + (RETURN_IN_MEMORY): Likewise. + +Mon Nov 2 11:46:17 1998 Doug Evans <devans@canuck.cygnus.com> + + * m32r/m32r.c (m32r_expand_block_move): Fix byte count computations. + (m32r_output_block_move): Rewrite bytes < 4 handling. + +Mon Nov 2 10:10:35 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * configure.in: Call AC_FUNC_VFORK. + + * collect2.c: Define VFORK_STRING as a printable string for + error messages (either "vfork" or "fork".) If HAVE_VFORK_H is + defined, include vfork.h. If VMS is defined, define vfork() + appropriately. Remove vfork check on USG, we're using autoconf. + (collect_execute): Pass VFORK_STRING to fatal_perror instead of + checking locally what string to pass. + (scan_prog_file): Likewise. + (scan_libraries): Likewise. + + * gcc.c: Remove vfork check on USG, we're using autoconf. + Besides, no calls to vfork/fork occur in this file. + + * protoize.c: Likewise. + +Mon Nov 2 07:52:28 1998 Alexandre Oliva <oliva@dcc.unicamp.br> + + * configure.in (DEFAULT_LINKER): Renamed from LD. + (DEFAULT_ASSEMBLER): Renamed from AS; reverted Schwab's patch. + (gcc_cv_as): Try $DEFAULT_ASSEMBLER before $AS. + * configure: Rebuilt. + +Mon Nov 2 01:48:10 1998 Alexandre Oliva <oliva@dcc.unicamp.br> + + * BUGS: Fix the regexp for `more' to find the appropriate node. + Reported by Joerg Pietschmann <joerg_pietschmann@zkb.ch> + + * BUGS: Added link to the WWW FAQ. + +Sun Nov 1 18:27:15 1998 Jeff Law (law@cygnus.com) + + * version.c: Bump for snapshot. + +Sun Nov 1 11:04:32 1998 Jeffrey A Law (law@cygnus.com) + + * From Christian Gafton: + * i386/linux.h (CPP_PREDEFINES): Add -D__i386__. + * sparc/linux.h (CPP_PREDEFINES): Add -D__sparc__. + * sparc/linux64.h (CPP_PREDEFINES): Add -D__sparc__. + +Sat Oct 31 21:42:39 1998 Mark Mitchell <mark@markmitchell.com> + + * c-common.c (c_get_alias_set): Allow all type-punning through + unions. Don't get confused about the type of a bit-field, despite + the antics of build_modify_expr. + +Sat Oct 31 22:35:29 1998 Jean-Pierre Radley <jpr@jpr.com> + + * fixinc.sco: Parameterize #include_next values. + * fixinc/fixinc.sco: Likewise. + +Sat Oct 31 20:39:35 1998 Jeffrey A Law (law@cygnus.com) + + * toplev.c (rest_of_compilation): No longer set reload_completed. + * reload1.c (reload): Set it here. Perform instruction splitting + after reload has completed if we will be running the scheduler + again. + +Sat Oct 31 12:30:02 1998 Jeffrey A Law (law@cygnus.com) + + * jump.c (jump_optimize): Initialize mappings from INSN_UID to + EH region if exceptions are enabled and we're performing cross + jump optimizations. + (find_cross_jump): Exit loop if the insns are in different EH regions. + +Sat Oct 31 10:02:48 1998 Mark Mitchell <mark@markmitchell.com> + + * dwarf2out.c (output_call_frame_info): Use + ASM_OUTPUT_DWARF_DELTA4 for the CIE offset to match frame.c. + +Sat Oct 31 10:23:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + Reinstall Apr 24th fix, lost during May 6th gcc2 merge: + * c-common.c (check_format_info): Don't check for the 'x' + format character twice, instead check for 'x' and 'X' + +Fri Oct 30 14:50:25 1998 Jeffrey A Law (law@cygnus.com) + + * configure.in (assembler features): Also make gas is configured if + we find it in the source tree. + +Fri Oct 30 13:23:20 1998 Richard Henderson <rth@cygnus.com> + + * i386.c (i386_comp_type_attributes): Compare whether the + attributes are defined, not their tree nodes. + +Fri Oct 30 11:39:47 1998 Alexandre Oliva <oliva@dcc.unicamp.br> + + * configure.in (gxx_include_dir): Bitten by autoconf quoting + characters. :-( + * configure: Rebuilt. + +Fri Oct 30 10:43:29 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de> + + * configure.in: Ignore non-absolute value in $AS. + +Fri Oct 30 00:54:25 1998 Peter Jakubek <pjak@snafu.de> + + * m68k.h (INDIRECTABLE_1_ADDRESS_P): Fix thinko. + +Fri Oct 30 00:42:34 1998 Mark Elbrecht <snowball3@usa.net> + + * configure.in (msdosdjgpp): Set exeext and target_alias. + +Thu Oct 29 23:55:43 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de> + + * flow.c (XNMALLOC): New macro. + (flow_int_list_blocks, basic_block_succ, basic_block_pred): New + static variables. + (add_edge, add_edge_to_label): New static functions. + (free_bb_memory): New function. + (flow_delete_insn): Delete function. + (basic_block_drops_in): Delete variable. + (find_basic_blocks): Allocate and initialize basic_block_head, + basic_block_succ. Don't allocate basic_block_drops_in. + Call free_bb_memory at the beginning. + (find_basic_blocks_1): Don't do multiple passes. + Delete code to compute basic_block_drops_in. + After calling make_edges, mark blocks reached by current block live. + Update test for unreachable live blocks. + (mark_label_ref): Delete args X, CHECKDUP. Add PRED arg. All callers + changed. + Simplify to call add_edge_to_label when a LABEL_REF is found. + (make_edges): Simplify to call add_edge_to_label instead of + mark_label_ref most of the time. + Compute here whether control drops into the next block. + (delete_unreachable_blocks): Return void. All callers changed. + Delete unreachable blocks in reverse order. + After deleting all unreachable blocks, renumber the remaining ones + and update n_basic_blocks. + (delete_block): Speed up deletion a bit. + Don't set basic_block_drops_in for deleted blocks. + (free_basic_block_vars): Don't free basic_block_drops_in. + (life_analysis_1): Update to use new edge representation. + (dump_flow_info): Delete code to print basic block info; call + dump_bb_data instead. + (compute_preds_succs): Delete code to recompute basic_block_drops_in + and uid_block_number. + Simply copy the previously computed cfg. + (dump_bb_data): New arg LIVE_INFO. All callers changed. + Print register lifetime information if LIVE_INFO is nonzero. + * basic-block.h (dump_bb_data): Adjust prototype. + * gcse.c (gcse_main): Update call to dump_bb_data. + * rtl.h (free_bb_memory): Declare. + * toplev.c (rest_of_compilation): Call free_bb_memory. + + * reload1.c (struct elim_table): Delete MAX_OFFSET member. + (update_eliminable_offsets): Don't compute it. + (set_initial_elim_offsets): Don't initialize it. + Break out some code into set_initial_label_offsets so the rest of + this function can be called from reload_as_needed. + Assume that INITIAL_FRAME_POINTER_OFFSET is defined when + ELIMINABLE_REGS isn't. + (set_initial_label_offsets): New function, broken out of + set_initial_elim_offsets. + (set_offsets_for_label): New function, broken out of set_label_offsets + and reload_as_needed. + (reload): Call the two new functions. + (reload_as_needed): Call set_initial_elim_offsets instead of + duplicating the code. Likewise for set_offsets_for_label. + + * reload1.c (choose_reload_regs): Fix typo in Oct 17 change. + (emit_reload_insns): Ensure that when we set reg_reloaded_valid for + any hard reg, reg_reloaded_dead contains valid data. + +Thu Oct 29 22:30:54 1998 Marcus Meissner <Marcus.Meissner@informatik.uni-erlangen.de> + + * i386.c (i386_comp_type_attributes): Return nonzero for mismatched + "stdcall" and "cdecl" attributes. + +Thu Oct 29 19:05:17 1998 Jim Wilson <wilson@cygnus.com> + + * sched.c (update_flow_info): Add code to ! found_orig_dest case to + handle deleted no-op moves of hard registers. + * haifa-sched.c (update_flow_info): Likewise. + +Thu Oct 29 18:07:47 1998 Jeffrey A Law (law@cygnus.com) + + * mips.md (reload_{in,out}{si,di}): Emit a USE of HILO at the end + of the sequences to reload the HILO register which do not actually + reference HILO. + +Thu Oct 29 12:39:35 1998 Jim Wilson <wilson@cygnus.com> + + * c-common.c (c_get_alias_set): Handle ARRAY_REF of union field. + +Thu Oct 29 14:10:22 1998 Andrew MacLeod <amacleod@cygnus.com> + + * except.c (emit_eh_context): Make the EH context register stay alive + at -O0 so stupid.c doesn't get confused. + +1998-10-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl> + + * emit-rtl.c (try_split): Do not try to split a BARRIER. + +Thu Oct 29 01:33:54 1998 Jan Hubicka <hubicka@freesoft.cz> + Jeffrey A Law (law@cygnus.com) + + * i386.md: Change ix86_cpu == PROCESSOR_PENTIUM to TARGET_PENTIUM. + (zero_extendsidi2): Use # in output template and handle completely by + splits. + (zero_extend splitters): New define_splits. + (ashiftrt_32): New pattern. + +Wed Oct 28 22:58:35 1998 Jason Merrill <jason@yorick.cygnus.com> + + * tree.c (append_random_chars): New fn. + (get_file_function_name_long): Use it. + +Wed Oct 28 22:27:05 1998 Richard Henderson <rth@cygnus.com> + + * Makefile.in (cc1): Put C_OBJS, and thence @extra_c_objs@ last. + (LIBCPP_OBJS): New. Add cppulp.o. + (cppmain, fix-header): Depend on and use libcpp.a. + * configure.in (extra_c_objs, extra_cxx_objs): Use libcpp.a instead + of the individual object files. + * objc/Make-lang.in (cc1obj): Put OBJC_OBJS, and thence @extra_c_objs@, + last. + + * cccp.c (user_label_prefix): New. + (main): Set it off -f*leading-underscore. + (special_symbol): Use it. + * cpplib.c (special_symbol): Likewise. + (cpp_handle_option): Handle -f*leading-underscore. + * cppulp.c: New file. + + * output.h (user_label_prefix): Declare it. + * dwarf2out.c (ASM_NAME_TO_STRING): Prepend user_label_prefix. + * toplev.c (f_options, main): Handle -f*leading-underscore. + + * defaults.h (ASM_OUTPUT_LABELREF): Use asm_fprintf instead of + referencing USER_LABEL_PREFIX directly. + * config/nextstep.h (ASM_OUTPUT_LABELREF): Likewise. + * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise. + * final.c (asm_fprintf): Use user_label_prefix instead. + * arm/thumb.c (thumb_print_operand): Likewise. + + * gcc.c (default_compilers): Pass -f*leading-underscore on to + cpp wherever appropriate. + +Wed Oct 28 23:09:25 1998 Robert Lipe <robertl@dgii.com> + + * sco5.h (SUBTARGET_SWITCHES): Add documentation for OpenServer- + specific compiler switches. + +Wed Oct 28 21:05:53 1998 Jeffrey A Law (law@cygnus.com) + + * Makefile.in (c-common.o): Depend on c-pragma.h. Use $(RTL_H) instead + of rtl.h. + +Wed Oct 28 20:52:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * gcc.c (EXTRA_SPECS, extra_specs): Introduce an intermediate + structure which has exactly the members provided by EXTRA_SPECS. + Xmalloc() the real `extra_specs', and initialize it from this + intermediate structure. + + * alpha.h (EXTRA_SPECS): Revert change for missing initializers. + + * mips.h (EXTRA_SPECS): Likewise. + + * sparc.h (EXTRA_SPECS): Likewise. + +Wed Oct 28 16:46:07 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de> + + * function.c (purge_addressof_1): Instead of aborting when a + bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not + work just put the ADDRESSOF on stack. Otherwise remember all such + successful replacements, so that exactly the same replacements + can be made on the REG_NOTEs. Remove the special case for CALL + insns again. + (purge_addressof_replacements): New variable. + (purge_addressof): Clear it at end. + +1998-10-28 Zack Weinberg <zack@rabi.phys.columbia.edu> + + * c-lang.c: Declare extern char *yy_cur if USE_CPPLIB. + (lang_init): Call check_newline always. + * c-lex.c (init_parse) [USE_CPPLIB=1]: After calling + cpp_start_read, set yy_cur and yy_lim to read from + parse_in.token_buffer, so that we'll see the first #line + directive. + * cpplib.c (cpp_start_read): finclude the main input file + before processing -include/-imacros. Process -imacros and + -include separately, and handle -include by stacking a + buffer for the file in question as if it'd been #included. + * toplev.c (documented_lang_options): Recognize -H when + USE_CPPLIB is on. + +1998-10-28 Zack Weinberg <zack@rabi.phys.columbia.edu> + + * cpplib.c: Merge do_once into do_pragma. Break file handling + code out of do_include. + Move append_include_chain, deps_output, + file_cleanup, redundant_include_p, import_hash, + lookup_import, add_import, read_filename_string, read_name_map, + open_include_file, finclude, safe_read to cppfiles.c. + Move prototypes for deps_output, append_include_chain, + finclude to cpplib.h. Move definition of struct + file_name_list there also. + + * cppfiles.c: New file. Contains all the above functions + broken out of cpplib.c; also hack_vms_include_specification + from cccp.c and find_include_file, a new function broken out of + do_include. + + * Makefile.in (cppmain): Depend on cppfiles.o. + (fix-header): Likewise. + (cppfiles.o): New target. + * configure.in (--enable-c-cpplib): Add cppfiles.o to + extra_c_objs. Add ../cppfiles.o to extra_cxx_objs. + +Wed Oct 28 14:06:49 1998 Jim Wilson <wilson@cygnus.com> + + * dwarfout.c (dwarfout_file_scope_decl): If DECL_CONTEXT, don't abort + if pending_types is nonzero. + (dwarfout_finish): Verify pending_types is zero before finishing. + +Wed Oct 28 10:29:09 1998 Nick Clifton <nickc@cygnus.com> + + * expr.c (convert_move): Use shifts to perform the move if a + suitable extend pattern cannot be found. Code written by + Richard Henderson <rth@cygnus.com>. + +Wed Oct 28 03:59:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de> + + * regclass.c (renumber, regno_allocated): New static variables, moved + out of allocate_reg_info. + (allocate_reg_info): Move these two variables outside the function. + Move code to free memory into new function free_reg_info. + (free_reg_info): New function, broken out of allocate_reg_info. + * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info. + * rtl.h (allocate_reg_info): Don't declare. + (free_reg_info): Declare. + + * final.c (cleanup_subreg_operands): ASM_INPUTs need no treatment. + +Wed Oct 28 02:38:12 1998 Jason Merrill <jason@yorick.cygnus.com> + + * toplev.c (compile_file): Temporarily revert last change. + +Wed Oct 28 00:00:35 1998 Jason Merrill <jason@yorick.cygnus.com> + + * c-typeck.c (convert_for_assignment): Parenthesize. + +1998-10-28 Andreas Schwab <schwab@issan.cs.uni-dortmund.de> + + * reload1.c (delete_output_reload): Avoid ambigous else. + +Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com) + + * toplev.c (compile_file): Call allocate_reg_info to free register + table memory. + * rtl.h (allocate_reg_info): Declare. + + * PROJECTS: Remove entry for local spilling. + + * final.c (cleanup_subreg_operands): New function. + (final_scan_insn): Use it. + (alter_subreg): Clear the "used" field when we turn a SUBREG into + a REG. + * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG + operands when reload has finished. + * reload.h (cleanup_subreg_operands): Declare.. + * flow.c (life_analysis_1): No longer delete CLOBBER insns after + reload. Handled in reload itself. + +Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de> + + * reload1.c (verify_initial_offsets): New function. + (reload): Call it after reload_as_needed. Also verify that the frame + size stays constant during reload_as_needed. + * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change. + + * reload.h (struct insn_chain): Add need_operand_change element. + * reload1.c (new_insn_chain): Clear it. + (calculate_needs_all_insns): Set it; don't overload need_reload. + (reload_as_needed): Use it. + + * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of + reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS + and reload_address_index_reg_class. + (find_reloads_address_1): Likewise. + * reload.h (reload_address_base_reg_class, + reload_address_index_reg_class): Don't declare. + * reload1.c (reg_old_renumber, pseudo_previous_regs, + pseudo_forbidden_regs, bad_spill_regs_global): New static variables. + (used_spill_regs): Now static. + (reload_address_base_reg_class, reload_address_index_reg_class, + regs_explicitly_used, counted_for_groups, counted_for_nongroups, + basic_block_needs, max_needs, group_size, group_mode, max_groups, + max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn, + forbidden_regs): + Deleted variables. + (init_reload): Delete code to compute base/index reg classes. + (reload): Delete variable J. + Delete code to manage basic_block_needs. + Don't compute regs_explicitly_used. + Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs, + pseudo_previous_regs. + Initialize bad_spill_regs_global. + Don't call order_regs_for_reload here. + Don't initialize spill_reg_order and n_spills. + Don't forbid explicitly used regs to be used for spill regs. + Change main loop to infinite loop, with explicit break statements. + Make SOMETHING_CHANGED variable local to that loop. + Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn, + max_groups_insn, max_nongroups_insn, group_size, group_mode. + Make sure spilled_pseudos is cleared before calling spill_hard_reg or + new_spill_reg. + Don't call dump_needs. + Delete code to reset potential_reload_regs. + Delete code to terminate loop conditional on the global needs variables + showing no further needs. + (calculate_needs_all_insns): Return void. All callers changed. + Initialize something_needs_elimination here, not in reload. + Delete avoid_return_reg kludge. + (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void. + All callers changed. + Initialize the group_mode and group_size elements of the arg CHAIN. + Delete code to manage basic_block_needs. + Operate on elements of CHAIN instead of global variables. + Delete avoid_return_reg kludge. + (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void. + All callers changed. + Operate on elements of CHAIN instead of global variables. + Delete special SMALL_REGISTER_CLASSES code. + Delete spill_failure code; now in new_spill_reg. + (find_group): Lose GLOBAL arg, take CHAIN arg, return void. + All callers changed. + Operate on elements of CHAIN instead of global variables. + (maybe_mark_pseudo_spilled): New static function. + (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void. + All callers changed. + Operate on elements of CHAIN instead of global variables. + Call order_regs_for_reload here, not in reload. + Initialize spill_reg_order and n_spills. + Simplify test whether an asm insn is involved. + Delete spill_failure code; now in new_spill_reg. + Call maybe_mark_pseudo_spilled for everything marked as live in + CHAIN. Merge CHAIN's used_spill_regs into the global variable + used_spill_regs. + (dump_needs): Take CHAIN arg. No longer static, to prevent the + compiler from optimizing this function (now unused) away. + Operate on elements of CHAIN instead of global variables. + (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers + changed. + Operate on elements of CHAIN instead of global variables. + (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args, + take CHAIN arg. All callers changed. + Operate on elements of CHAIN instead of global variables. + (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take + CHAIN, NONGROUP args. Return void. All callers changed. + Verify caller isn't trying to spill a pseudo. + Simplify test for illegal reg, just use bad_spill_regs. + Generate better error messages. + Operate on elements of CHAIN instead of global variables. + Mark spilled register in CHAIN's used_spill_regs element. + Don't call spill_hard_reg. + (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed. + Mark spilled hard regs in bad_spill_regs_global. + Mark affected pseudos in spilled_pseudos, but don't spill them. + (ior_hard_reg_set): New static function. + (finish_spills): Return int. All callers changed. + Compute spill_reg_order, n_spills and spill_regs here. Also update + regs_ever_live for regs used as spills. + For every pseudo in spilled_pseudos, spill it and mark the previous + hard reg it had in pseudo_previous_regs. Compute which hard regs + are used as spills in insns during which it is live, and retry global + register allocation. Update all life information in the + reload_insn_chain not to include pseudos without hard regs. + Call alter_reg for all affected speudos. + + (scan_paradoxical_subregs): Disable SMALL_REGISTER_CLASSES special + case, it's not clear what it's supposed to do. + + (hard_reg_use_compare): Take bad_spill_regs into account. + (pseudos_counted): New static variable. + (count_pseudo): New static function. + (order_regs_for_reload): Take CHAIN arg. All callers changed. + Initialize bad_spill_regs from bad_spill_regs_global, then merge any + hard registers explicitly used across the current insn into the set. + Compute hard_reg_n_uses taking only pseudos live across this insn + into account. + Tweak sorting of potential_reload_regs. + (compare_spill_regs): Delete function. + (reload_as_needed): Don't sort the spill_regs array, it's computed + in proper order in finish_spills. + Delete avoid_return_reg kludge. + Delete code to manage basic_block_needs. + (allocate_reload_reg): Minor speed/readability tweaks. + Operate on elements of CHAIN instead of global variables. + (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed. + Delete avoid_return_reg kludge. + Initialize reload_reg_used from CHAIN's used_spill_regs element. + Delete unused label FAIL. + (reload_combine): Replace reload_address_index_reg_class with + INDEX_REGS. + Don't use used_spill_regs to determine information about lifetime of + hard regs. + +Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com> + + * toplev.c (display_help): Ignore empty target specific + options, and if -W is also specified on the command line then + display undocumented options. + + * config/arm/arm.c: Updated with changes in devo sources. + * config/arm/arm.h: Updated with changes in devo sources. + * config/arm/lib1funcs.asm: Updated with changes in devo sources. + * config/arm/lib1thumb.asm: Add ELF support. + +Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@gnu.org> + + * collect2.c (aix64_flag): New variable. + (main, case 'b'): Parse it. + (GCC_CHECK_HDR): Object magic number must match mode. + (scan_prog_file): Only check for shared object if valid header. + Print debugging if header/mode mismatch. + +Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com> + + Added support for arm-elf-linux configuration, submitted by Philip + Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf + code developed by Catherine Moore <clm@cygnus.com>. The following + files are affected: + + * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf + targets. + + * configure: Regenerated. + + * config/arm/aout.h: Add default definitions of REGISTER_PREFIX, + USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro + definitions conditional on their not having been already defined. + + * config/arm/lin1funcs.asm: Add ELF only macros to generate .size + and .type directives, and add "(PLT)" qualification to function + calls. + + * config/arm/linux.h: Deleted. This file is now superseded by + either linux-elf.h or linux-aout.h. + + * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling. + (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel + support). + Move definitions from old linux.h file here. + + * config/arm/elf.h: New file. Generic ARM/ELF support. + + * config/arm/linux-aout.h: New file. Support for Linux with a.out. + + * config/arm/linux-elf.h: New file. Support for Linux with ELF. + + * config/arm/linux-elf26.h: New file. Support for Linux with ELF + using the 26bit APCS. + + * config/arm/unknown-elf.h: New file. Support for OS'es other + than Linux with ELF. + + * config/arm/t-arm-elf: New file. makefile fragment for arm-elf + builds. + + * config/arm/coff.h: Include aout.h for basic assembler macros. + Add support for -mstructure_size_boundary=<n> command line option. + + * config/arm/arm.h: Add support for -mstructure_size_boundary=<n> + command line option. Make macro definitions conditional on their + not having been already defined. + + * config/arm/arm.c: Add support for -mstructure_size_boundary=<n> + command line option. + + +Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com> + + * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING + has been changed to not include a newline. Use this macro instead. + (output_enumeral_list, const_value_attribute, name_attribute, + comp_dir_attribute, prototyped_attribute, producer_attribute, + inline_attribute, pure_or_virtual_attribute, output_inheritance_die, + dwarfout_file_scope_decl, generate_new_sfname_entry, + generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use + ASM_OUTPUT_DWARF_STRING_NEWLINE macro. + +Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com> + + * combine.c (subst): Process the inputs to a parallel asm_operands + only once. + +Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com> + + * stmt.c (expand_asm_operands): Accept `=' or `+' at any position. + +Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com) + + * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document. + +Mon Oct 26 00:36:58 1998 Jeff Law (law@cygnus.com) + + * version.c: Bump for snapshot. + +Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com> + + * stmt.c (expand_fixup): Set fixup->before_jump to a + NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG. + +Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * Makefile.in (recog.o): Depend on toplev.h. + (insn-emit.o): Depend on recog.h. + (insn-peep.o): Depend on recog.h and insn-config.h. + + * combine.c (simplify_set): Remove unused variable `scratches'. + + * final.c (final_scan_insn): Wrap declaration of variables `vlen' + and `idx' in macro conditional controlling their use. + + * genemit.c (main): Make the generated output file include + recog.h. Don't have it declare `insn_operand_constraint', since + we get it from recog.h. + + * genpeep.c (main): Make the generated output file include + insn-config.h and recog.h. + + * recog.c: Include toplev.h. + (extract_insn): Remove unused variable `p'. + + * regclass.c (fix_register): Add missing braces around initializer + for `what_option'. + (allocate_reg_info): Move variable `i' into the scope where it is + used. Change its type to `size_t'. + +Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de> + + * reload.c (push_reload): When merging reloads, make sure + that reload_in_reg and reload_in are from the same reload in + all cases. + +Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu> + + * i386/crtdll.h (CPP_PREDEFINES): Fix typo. + * i386/mingw32.h (CPP_PREDEFINES): Likewise. + +Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@gnu.org> + + * loop.c (loop_has_tablejump): New variable. + (prescan_loop): Scan for it. + (insert_bct): Replace explicit scan with use of it. + * regclass.c (regclass): Restore loop variable j. + (record_reg_classes): Deterine op_types modifiers and initialize + classes[i] before matching constraints. Handle matching + constraints 5-9. + +Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com> + + * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete + subreg support. + +Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * mips.h (EXTRA_SPECS): Add missing initializers. + +Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * sparc.h (EXTRA_SPECS): Add missing initializers. + (sparc_defer_case_vector): Provide a prototype. + + * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when + comparing it to the result of a pointer subtraction. + +Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast + the argument to (unsigned char). + + * alpha.h (EXTRA_SPECS): Add missing initializers. + (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the + format specifier. + +Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com) + + * flow.c (life_analysis_1): Enable "rescan" code after reload. + (propagate_block): Delete dead code after reload. + + * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings + back Oct 15, 1998 change. + * haifa-sched.c (update_flow_info): Likewise. + * flow.c (life_analysis_1): Delete CLOBBER insns after reload. + + * mn10200.md (truncated shift): Accept constant inputs too. + +Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com) + + * machmode.h (mode_mask_array): No longer const. + * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined. + +Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de> + + * frame.c: Somewhat explain `FDE'. + Suggested by Brendan Kehoe + +Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com> + + * expr.c (pending_chain): Move up. + (save_expr_status): Do save pending_chain. + (restore_expr_status): And restore it. + * function.h (struct function): Add pending_chain. + +1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl> + + * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The + did not match the code. + +Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de> + + * regclass.c (regclass): Break out some code into new function + scan_one_insn, and into regclass_init. + (init_cost): New static variable, moved out of regclass. + (regclass_init): Initialize it here, not in . + (scan_one_insn): New static function, broken out of regclass. + * recog.c (apply_change_group): Break out some code into new + function insn_invalid_p. + (insn_invalid_p): New static fn, broken out of apply_change_group. + +Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com> + + * reload1.c (reload_as_needed): When rewrite POST_INC, verify + reg_reloaded_contents matches incremented pseudo. + + * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support. + +Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + + * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for + addressing modes with side effects. These are currently + placeholders for the C4x target. + +Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de> + + * loop.c (express_from): Make sure that when generating a PLUS of + a PLUS, any constant expression appears on the outermost PLUS. + +Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com) + + * Makefile.in (distdir-cvs, distdir-start): Clean up so it + works if "$(srcdir)" != ".". + +Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com> + + * expmed.c (store_bit_field): If need to add a SUBREG, then remove + existing SUBREG if we can, otherwise abort. + +Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com> + + * c-common.c (c_apply_type_quals_to_decl): Don't crash when + `restrict' is applied to a non-pointer variable. + +Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com> + + * invoke.texi: Document -flang-isoc9x. + + * Makefile.in (OBJS): Add splay-tree.o. + (c-common.o): Depend on rtl.h. + (splay-tree.o): List dependencies and provide build rule. + + * rtl.h (record_alias_subset): New function. + * alias.c: Include splay-tree.h. + (alias_set_entry): New type. + (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove. + (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p. + (mems_in_disjoin_alias_sets_p): New function. + (alias_set_compare): Likewise. + (insert_subset_children): Likewise. + (get_alias_set_entry): Likewise. + + * tree.h (TYPE_RESTRICT): New macro. + (TYPE_UNQUALIFIED): New manifest constant. + (TYPE_QUAL_CONST): Likewise. + (TYPE_QUAL_VOLATILE): Likewise. + (TYPE_QUAL_RESTRICT): Likewise. + (tree_type): Add restrict_flag. Reduce count of free bits. + (DECL_POINTER_ALIAS_SET): New macro. + (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise. + (tree_decl): Add pointer_alias_set. + (build_qualified_type): New function. + (build_type_variant): Define in terms of build_qualified_type. + * tree.c (set_type_quals): New function. + (make_node): Initialize DECL_POINTER_ALIAS_SET. + (build_type_attribute_variant): Use build_qualified_type and + set_type_quals. + (build_type_variant): Rename, and modify, to become... + (build_qualified_type): New function. + (build_complex_type): Use set_type_quals. + + * c-tree.h (C_TYPE_OBJECT_P): New macro. + (C_TYPE_FUNCTION_P): Likewise. + (C_TYPE_INCOMPLETE_P): Likewise. + (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise. + (c_apply_type_quals_to_decl): New function. + (c_build_qualified_type): New function. + (c_build_type_variant): Define in terms of c_build_qualified_type. + (flag_isoc9x): Declare. + * c-typeck.c (qualify_type): Use c_build_qualified_type. + (common_type): Change to use TYPE_QUALS. + (comptypes): Likewise. + (convert_for_assignment): Likewise. + * c-aux-info.c (gen_type): Likewise. Deal with `restrict'. + * c-decl.c (flag_isoc9x): Define. + (c_decode_option): Handle -flang-isoc9x. + (grokdeclarator): Update to handle restrict. Use TYPE_QUALS, + c_build_qualified_type, etc. Use c_apply_type_quals_to_decl. + * c-lex.c (init_lex): Deal with restrict. + (init_lex): Don't treat restrict as a reserved word in + -traditional mode, or without -flang-isoc9x. + * c-lex.h (rid): Add RID_RESTRICT. + * c-parse.gperf (restrict, __restrict, __restrict__): Make + equivalent to RID_RESTRICT. + * c-parse.in (TYPE_QUAL): Update comment. + * c-common.c: Include rtl.h. + (c_find_base_decl): New function. + (c_build_type_variant): Rename, and modify, to become ... + (c_build_qualified_type): New function. + (c_apply_type_quals_to_decl): Likewise. + (c_get_alias_set): For INDIRECT_REFs, check to see if we can find + a particular alias set for the reference. + * toplev.c (documented_lang_options): Add -flang-isoc9x. + +Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com> + + * config/arm/arm.h (TARGET_SWITCHES): Document arm specific + command line switches. + +Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk> + + * reload.c (loc_mentioned_in_p): Add missing braces to bind + else to correct if. + +Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com> + + * gcc.c (option_map): Added --classpath and --CLASSPATH. + +Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com> + + * regclass.c (fix_register): Add error message. + * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the + new error message. + +Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * c-decl.c (warn_missing_noreturn): New global variable. + (c_decode_option): Check for new flags -W{no-}missing-noreturn. + (finish_function): Implement missing noreturn warning. + + * c-tree.h (warn_missing_noreturn): Declare extern. + + * invoke.texi: Document new flags. + + * toplev.c (documented_lang_options): Add description. + +Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + + * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT + loop optimization stable for the C4x. + (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop, + c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get, + c4x_rptb_emit_init, c4x_rptb_process): Deleted (superseded by BCT + loop optimization). + (c4x_address_conflict): Be more paranoid when packing a volatile + memref in a parallel load/store. + +Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + + * config/c4x/c4x.md (repeat_block_top, repeat_block_end, + repeat_block_filler): Deleted. + (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber): + Condition code not set if destination register from 'c' class. + (*subbqi3_carry_clobber): Fix typo. + +1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl> + + * reorg.c (steal_delay_list_from_target): Check for insns that + modify the condition codes and effect the direction of the jump + in the sequence. + +Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk> + + * function.c (purge_addressof_1): Replace call to + emit_insns_before() with emit_insn_before(). + +Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com> + + * libgcc2.c (__pure_virtual): Call __terminate instead of _exit. + +Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de> + + * jump.c (sets_cc0_p): Compile only if HAVE_cc0. + +Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com) + + * gcse.c (compute_hash_table): Correctly identify hard regs which are + clobbered across calls. + + * loop.c (scan_loop): Be more selective about what invariants are + moved out of a loop. + +Mon Oct 19 10:46:58 1998 Jeff Law (law@cygnus.com) + + * version.c: Bump for snapshot. + +Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com) + + * libgcc2.c (eh_context_static): Do not call malloc to allocate the + static eh_context structure. + +Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de> + + * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All + callers changed. + (try_combine): Don't update max_scratch. + * flow.c (max_scratch, num_scratch): Delete variables. + (life_analysis_1): Don't initialize max_scratch. + (propagate_block): Don't update max_scratch. + (mark_set_1): Don't increment num_scratch. + * regs.h (max_scratch): Delete declaration. + +Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com) + + * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV + is nonzero. This is temporary! + + * sched.c (update_flow_info): Handle death notes made invalid by + instruction splitting. Partially reverts Oct 15, 1998 patch. + * haifa-sched.c (update_flow_info): Likewise. + +Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com) + + * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL + if it has a nonzero DECL_INITIAL. + +Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * Makefile.in (flow.o): Depend on recog.h. + + * cpplib.h (directive_table): Add missing initializiers. + (finclude): Change type of variable `bsize' to size_t. + + * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED. + + * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE. + + * fix-header.c (lookup_std_proto): Cast the result of `strlen' to + `int' when comparing against one. + (cpp_file_line_for_message): Mark parameter `pfile' with + ATTRIBUTE_UNUSED. + (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED. + + * flow.c: Include recog.h. + (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR). + + * function.c (thread_prologue_and_epilogue_insns): Mark parameter + `f' with ATTRIBUTE_UNUSED. + (reposition_prologue_and_epilogue_notes): Likewise. + + * genopinit.c (gen_insn): Cast argument of ctype functions to + `unsigned char'. + + * haifa-sched.c: Include recog.h. + (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when + comparing against one. + + * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now. + + * mips-tfile.c (parse_end): Cast the argument of ctype function to + `unsigned char'. + (parse_ent): Likewise. + (parse_input): Likewise. + + * optabs.c (init_libfuncs): Likewise. + + * protoize.c (find_rightmost_formals_list): Likewise. + + * recog.h (const_double_operand): Fix typo in prototype. + + * tlink.c (scan_linker_output): Cast the argument of ctype + function to `unsigned char'. + + * toplev.c (check_lang_option): Cast the result of `strlen' to + `int' when comparing against one. + +Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk> + + * gcse.c (dump_cuid_table): Correct typo. + +Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com> + + * toplev.c (display_help): Prepend '-m' to target specific + options. + (check_lang_option): Ignore text after end of first word of a + language specific option. + +Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de> + + * reload1.c (reg_used_by_pseudo): New static variable. + (choose_reload_regs): Initialize it. + Use it instead of testing spill_reg_order to determine whether a + pseudo is live in a hard register across the current insn. + Fix a typo in a reference to reload_reg_rtx. + + * flow.c (propagate_block): Replace code that computes and uses + regs_sometimes_live with simpler code that just walks the set of + currently live registers. + + * Makefile.in (insn-extract.o): Fix dependencies. + * genextract.c (main): Generate includes for insn-config.h and + recog.h. + Delete generation of declarations which are now in recog.h. + * genrecog.c (main): Delete generation of definitions which are + now in recog.c. + * local-alloc.c (block_alloc): Use extract_insn and the variables + it sets up instead of looking up values by insn_code. + * recog.c (recog_operand, recog_operand_loc, recog_dup_loc, + recog_dup_num): Define here instead of generating the definition in + genrecog.c. + (recog_n_operands, recog_n_dups, recog_n_alternatives, + recog_operand_mode, recog_constraints, recog_operand_address_p): + New variables. + (extract_insn): New function. + * recog.h (extract_insn): Declare function. + (which_alternative, recog_n_operands, recog_n_dups, + recog_n_alternatives, recog_operand_mode, recog_constraints, + recog_operand_address_p): Declare variables. + * regclass.c (n_occurrences): New static function. + * reload.c (n_occurrences): Delete function. + (find_reloads): Use extract_insn. + * reload.h (n_occurrences): Delete declaration. + +Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com) + + * reload1.c (reload_as_needed): Fix test for when to call + update_eliminable_offsets. + +Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + Fix consistency problems with reg_equiv_{mem,address}; + Improve reload inheritance; + + * reload.c (reload_out_reg): New variable. + (loc_mentioned_in_p, remove_address_replacements): New functions. + (remove_replacements): Deleted. + (push_reload): Set reload_out_reg[i]. + When merging, also set reload_{in,out}_reg[i], and remove + duplicate address reloads. + (combine_reloads): Copy reload_out_reg[i]. + (find_reloads): Do make_memloc substitution also when + reg_equiv_memory_loc[regno] and num_not_at_initial_offset + are both nonzero. + Include *recog_operand_loc in commutativity operand changes. + Generate optional output reloads. + Delete reference to n_memlocs. Don't set *recog_operand_loc before + processing operands. Call make_memloc in reg_equiv_address code. + Set *recog_operand_loc only after processing operands, and only + if replace is true. Return a value. + When changing address reload types for operands that didn't get + reloaded, use RELOAD_FOR_OPADDR_ADDRESS for + RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads. + Don't emit USEs for pseudo SUBREGs when not replacing. + (find_reloads_address): Do make_memloc substitution also when + reg_equiv_memory_loc[regno] and num_not_at_initial_offset + are both nonzero. + (find_reloads_toplev): Likewise. + Call make_memloc in reg_equiv_address code. + (debug_reload_to_stream): Add code to output reload_out_reg. + (make_memloc): Delete local variable i, ifdefed out code, and + references to memlocs and n_memlocs. + (memlocs, n_memlocs): Delete. + (push_secondary_reload): Clear reload_out_reg. + (find_reloads_address_1): Provide memrefloc argument to all calls + to find_reloads_address. + In AUTO_INC code, handle non-directly addressable equivalences properly. + * reload.h (reload_out_reg, num_not_at_initial_offset): Declare. + (find_reloads): Add return type. + (remove_address_replacements, deallocate_reload_reg): Declare. + * reload1.c (num_not_at_initial_offset): No longer static. + (delete_address_reloads, delete_address_reloads_1): Likewise. + (deallocate_reload_reg): New function. + (spill_reg_stored_to): New array. + (eliminate_regs): Don't substitute from reg_equiv_memory_loc. + (eliminate_regs_in_insn): Move assignments of previous_offset and + max_offset fields, and recalculation of num_not_at_initial_offset + into new static function: + (update_eliminable_offsets) . + (reload_as_needed): Call update_eliminable_offsets after calling + find_reloads. + Call forget_old_reloads_1 with contents of reloaded auto_inc + expressions if the actual addressing can't be changed to match the + auto_inc. + (choose_reload_regs): For inheritance, replace + reload_reg_free_before_p test with reload_reg_used_at_all test, and + remove stand-alone reload_reg_used_at_all test. + Use reload_out_reg to determine which reload regs have output reloads. + Treat reload_override_in more similar to inherited reloads. + Handle (subreg (reg... for inheritance. + For flag_expensive_optimizations, add an extra pass to remove + unnecessary reloads from known working inheritance. + Delete obsolete code for pseudos replaced with MEMs. + Handle inheritance from auto_inc expressions. + (emit_reload_insns): If reload_in is a MEM, set OLD to + reload_in_reg[j]. + Don't reload directly from oldequiv; if it's a pseudo with a + stack slot, use reload_in[j]. + Check that reload_in_reg[j] is a MEM before replacing reload_in + from reg_reloaded_contents. + Include non-spill registers in reload inheritance processing. + Also try to use reload_out_reg to set spill_reg_store / + reg_last_reload_reg. + In code to set new_spill_reg_store, use single_set to find out if + there is a single set. + Add code that allows to delete optional output reloads. + Add code to allow deletion of output reloads that use no spill reg. + At the end, set reload_override_in to oldequiv. + Also call delete_output_reload if reload_out_reg is equal to old + in oldequiv code. + Add code to call delete_output_reload for stores with no matching load. + Set / use spill_reg_stored_to. + Handle case where secondary output reload uses a temporary, but + actual store isn't found. + When looking for a store of a value not loaded in order to call + delete_output_reload, count_occurrences should return 0 for no + loads; but discount inherited input reloadill_reg_stored_to. + Do checks for extra uses of REG. Changed all + callers. + Use delete_address_reloads. + (reload): Take return value of find_reloads into account. + If a no-op set needs more than one reload, delete it. + (reload_reg_free_before_p): RELOAD_FOR_INPUT + can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS + for the same operand. + (clear_reload_reg_in_use): Check for other reloads that keep a + register in use. + (reload_reg_free_for_value_p): Handle RELOAD_FOR_OPERAND_ADDRESS / + RELOAD_FOR_OPADDR_ADDR. + Take into account when an address address reload is only needed + for the address reload we are considering. + (count_occurrences): Use rtx_equal_p for MEMs. + (inc_for_reload): Return instruction that stores into RELOADREG. + New argument two, IN, and rtx. Changed all callers. + (calculate_needs_all_insns, reload_as_needed): + Don't clear after_call for a CLOBBER. + Keep track of how many hard registers need to be copied from + after_call, and don't clear after_call before we have seen + that much copies, or we see a different instruction. + +Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com) + + * flow.c (find_basic_blocks_1): Do not delete unreachable blocks + after reload has completed. + +Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com> + + * cpplib.c (cpp_get_token): Replace whitespace that occurs between + a macro name and the next token with a single blank if that whitespace + is in a macro buffer and the next token is not '('. + +Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com> + + * cccp.c (rescan): Handle multibyte characters ending in backslash. + (rescan): Likewise. + (skip_if_group): Likewise. + (skip_to_end_of_comment): Likewise. + (macarg1): Likewise. + (discard_comments): Likewise. + (change_newlines): Likewise. + +Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com> + + * c-lex.c (yylex): Fix unaligned access of wchar_t. + +Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com> + + * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation. + (TARGET_OPTIONS): Add --help documentation. + +Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change. + +Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com> + + * fixinc/* Moved in from ../contrib directory in preparation + for integrating it into the normal build process. In particular, + fixinc/Makefile.in must be config-ed into the build directory + as fixinc/Makefile. Proposed patches to ./Makefile.in and + ./configure.in will be "in the mail" momentarily. + +Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com> + + * cse.c (cse_basic_block): Fixup hash flushing loop so we do not + accidently walk into the free list. Comment how that can happen. + (invalidate): Fix indentation. + +Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de> + Jeffrey A Law (law@cygnus.com) + + * flow.c (life_analysis_1): Do not clobber regs_ever_live after + reload. Never perform rescans of the insn chain after reload. + (propagate_block): Do not delete insn or create new autoinc addressing + modes after reload. + + * jump.c (jump_optimize): Unconditionally use the code that was + previously conditional on PRESERVE_DEATH_INFO_REGNO_P. + * reload1.c (reload): When reloading is finished, delete all + REG_DEAD and REG_UNUSED notes. + (emit_reload_insns): Delete all code that was conditional on + PRESERVE_DEATH_INFO_REGNO_P. + (no_longer_dead_regs): Delete variable. + (reload_cse_delete_death_notes): Delete function. + (reload_cse_no_longer_dead): Delete function. + (reload_cse_regs_1): Delete all code to handle deletion of death + notes. + (reload_cse_noop_set_p): Likewise. + (reload_cse_simplify_set): Likewise. + (reload_cse_simplify_operands): Likewise. + (reload_cse_move2add): Likewise. + * reorg.c (used_spill_regs): Delete declaration. + (max_label_num_after_reload): Delete declaration. + (find_dead_or_set_registers): Don't assume that spill regs are + dead at a CODE_LABEL. + * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate, + even after reload. + * sched.c (sched_analyze_insn): Likewise. + (update_flow_info): Likewise. + * haifa-sched.c (sched_analyze_insn): Likewise. + (update_flow_info): Likewise. + * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation. + * toplev.c (max_label_num_after_reload): Delete variable. + (rest_of_compilation): Don't set max_label_num_after_reload. + Call life_analysis after reload_cse_regs if optimizing. + * config/gmicro/gmicro.h: Delete comment referring to + PRESERVE_DEATH_INFO_REGNO_P. + * config/i386/i386.h: Likewise. + * config/m88k/m88k.h: Likewise. + * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition. + * config/sh/sh.h: Likewise. + +Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@gnu.org> + + * loop.c (strength_reduce): Restore marking bct_p as + ATTRIBUTE_UNUSED. + * rs6000.c (optimization_options): Change #ifdef HAIFA to + HAVE_decrement_and_branch_on_count. + (small_data_operand): Remove TARGET_ELF condition for marking + parameters ATTRIBUTE_UNUSED. + +Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com> + + * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define. + (SELECT_SECTION): Resync with svr4.h. + +Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@gnu.org> + + * loop.c (strength_reduce): Undo Oct 14 change marking bct_p + ATTRIBUTE_UNUSED. + +Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com> + + * c-pragma.c (handle_pragma_token): Test for null tree before + dereferencing TREE_CODE. + +Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + + * config/c4x/c4x.c: Convert to use GEN_INT. + (c4x_parallel_process): Rework to handle new repeat loop structure. + + * config/c4x/c4x.md: Convert to use GEN_INT. + (rptb_end): Convert to use GE test. Replace uses with clobbers. + (decrement_and_branch_on_count): Likewise. + + * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that + loop.c has the desired functionality. + (rc_reg_operand): New prototype. + + * config/c4x/t-c4x: Can now build all front ends. + +Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com) + + * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS. + +Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com) + + * Makefile.in (stmp-fixinc): Do not install assert.h if not desired. + * config/t-rtems: Do not install assert.h -- use newlib's. + +Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * combine.c (combine_instructions): When finished, call init_recog. + * regmove.c (optimize_reg_copy_3): Reject volatile MEMs. + +Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com> + + * toplev.c: If flag_syntax_only, don't open or write assembler file. + +Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * cppalloc.c (memory_full): Mark function prototype with + ATTRIBUTE_NORETURN. + + * demangle.h (collect_exit): Likewise. + + * fix-header.c (v_fatal, fatal): Likewise. + + * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort): + Likewise. + + * gcov.c (print_usage): Likewise. + + * genattr.c (fatal, fancy_abort): Likewise. + + * genattrtab.c (fatal, fancy_abort): Likewise. + + * gencodes.c (fatal, fancy_abort): Likewise. + + * genconfig.c (fatal, fancy_abort): Likewise. + + * genemit.c (fatal, fancy_abort): Likewise. + + * genextract.c (fatal, fancy_abort): Likewise. + + * genflags.c (fatal, fancy_abort): Likewise. + + * genopinit.c (fatal, fancy_abort): Likewise. + + * genoutput.c (fatal, fancy_abort): Likewise. + + * genpeep.c (fatal, fancy_abort): Likewise. + + * genrecog.c (fatal, fancy_abort): Likewise. + + * libgcc2.c (__eprintf, __default_terminate, __sjthrow, + __sjpopnthrow, __throw): Likewise. + + * objc/objc-act.c (objc_fatal): Likewise. + + * protoize.c (usage, aux_info_corrupted, + declare_source_confusing): Likewise. + + * rtl.c (dump_and_abort): Likewise. + + * rtl.h (sets_cc0_p): Likewise. + + * toplev.c (float_signal, pipe_closed): Likewise. + +1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de> + + * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges + when generating the decision tree for the general case. + + * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes + wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs. + +Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * Makefile.in (sched.o): Depend on recog.h. + + * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to + (unsigned) when comparing against one. + (find_base_value): Likewise. + (record_base_value): Cast variable `regno' to (unsigned) when + comparing against one. Cast the result of REGNO() macro to + (unsigned) when comparing against one. + (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to + unsigned. + (init_alias_analysis): Add unsigned variable `ui'. Use it as loop + variable where an unsigned index is needed. + + * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code) + before comparing against one. + + * collect2.c: Add prototypes for functions `error', `fatal' and + `fatal_perror'. Make these functions take variable arguments + instead of faking it with a fixed number of args. + (write_c_file_stat): Cast the argument of ctype macro to (unsigned + char). + + * combine.c (can_combine_p): Mark parameter `pred' with + ATTRIBUTE_UNUSED. + (find_split_point): Cast variable `src' to (unsigned + HOST_WIDE_INT) when comparing against one. + (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift. + (simplify_logical): Likewise. + (force_to_mode): Cast result of INTVAL() macro to (unsigned + HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned + HOST_WIDE_INT) in shift. + (simplify_and_const_int): Cast result of INTVAL() macro to + `unsigned HOST_WIDE_INT' when comparing against one. + (merge_outer_ops): Cast variable const0 to `unsigned + HOST_WIDE_INT' when comparing against the result of + GET_MODE_MASK() macro. + (simplify_comparison): Likewise for variable `c0'. Cast variable + `const_op' to `unsigned HOST_WIDE_INT' when comparing against + one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the + result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing + against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast + result of INTVAL() macro to `unsigned HOST_WIDE_INT' when + comparing against one. + (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'. + + config/mips/mips.c (gen_int_relational): Cast result of INTVAL() + macro to `unsigned HOST_WIDE_INT' when comparing against one. + (output_block_move): Cast `sizeof' expression to (int) when + comparing against one. + (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing + against one. + (save_restore_insns): Cast `base_offset' to `long' to match format + specifier in fprintf. + + * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro + to `enum machine_mode'. + + * flow.c (life_analysis_1): Remove unused variable `insn'. + + * gcc.c (translate_options): Move variables `j' and `k' into the + scope in which they are used. Change their types to `size_t'. + (set_spec): Cast the argument of ctype macro to `unsigned char'. + (read_specs): Likewise. + (process_command): Cast `sizeof' to (int) when comparing against one. + (do_spec_1): Cast the argument of ctype macro to `unsigned char'. + (handle_braces): Cast both sides of `==' expression to `long' to + ensure sign matching. + (main): Cast variable `i' to `int' when comparing against one. + + * gcov-io.h (__fetch_long): Change type of parameter `bytes' from + int to size_t. Cast variable `i' to size_t when comparing against + one. + + * genattrtab.c (convert_set_attr_alternative): Remove unused + parameter `insn_code'. All callers changed. + (convert_set_attr): Likewise. + + * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to + size_t when comparing against one. Likewise for variable `len'. + + * global.c (global_alloc): Cast variable `max_regno' to size_t + when comparing against one. Likewise for variable `max_allocno'. + + * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED. + + * local-alloc.c (validate_equiv_mem_from_store): Mark parameter + `set' with ATTRIBUTE_UNUSED. + (find_free_reg): Cast `sizeof' expression to (int) when comparing + against one. + + * loop.c (count_loop_regs_set): Remove unused variable `dest'. + (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED. + (get_condition): Cast variable `const_val' to `unsigned + HOST_WIDE_INT' when comparing against one. Cast unsigned + expression to HOST_WIDE_INT when comparing against one. + (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED. + (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to + `unsigned' when comparing against one. + + * protoize.c (is_id_char): Change type of parameter `ch' to + unsigned char. + (munge_compile_params): Cast argument of ctype macro to (const + unsigned char). + (process_aux_info_file): Cast variable `aux_info_size' to int when + comparing against one. + (forward_to_next_token_char): Cast argument of ctype macro to + `const unsigned char'. + (edit_formals_lists): Likewise. + (find_rightmost_formals_list): Likewise. + (add_local_decl): Likewise. + (add_global_decls): Likewise. + (edit_fn_definition): Likewise. + (do_cleaning): Likewise. + (scan_for_missed_items): Likewise. + (edit_file): Cast variable `orig_size' to (int) when comparing + against one. + (main): Cast argument of ctype macro to `const unsigned char'. + + * recog.c (const_int_operand): Mark parameter `mode' with + ATTRIBUTE_UNUSED. + + * regclass.c (record_reg_classes): Change type of variable `c' to + `unsigned char'. Cast `char' array index to `unsigned char'. + + * reload.c (push_secondary_reload): Cast argument to + REG_CLASS_FROM_LETTER() macro to `unsigned char'. + + * reload1.c (calculate_needs): Cast `char' array index to + `unsigned char'. + (set_label_offsets): Change type of variable `i' to unsigned int. + Cast result of XVECLEN() macro to unsigned when comparing against + one. + (mark_not_eliminable): Change type of variable `i' to unsigned. + (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned + when comparing against one. + (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when + comparing against one. + (choose_reload_regs): Hide unused label `fail'. + (reload_cse_simplify_operands): Cast `char' array index to + `unsigned char'. + (reload_combine_note_store): Mark parameter `set' with + ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing + against one. + (reload_cse_move2add): Remove unused variable `src2'. + + * sched.c: Include recog.h. + (sched_note_set): Remove unused parameter `b'. All callers + changed. + (split_hard_reg_notes): Likewise for parameter `orig_insn'. + (blockage_range): Cast result of UNIT_BLOCKED() macro to (int) + when comparing against one. + + * stupid.c (stupid_find_reg): Mark parameter `changes_size' with + ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when + comparing against one. + + * unroll.c (precondition_loop_p): Remove unused parameter + `loop_end'. All callers changed. + +Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de> + + * reload1.c (maybe_fix_stack_asms): New static function. + (reload): Call it. + + * reload.h (compute_use_by_pseudos): Declare. + + * reload1.c (spilled_pseudos, insns_need_reload): New variables. + (something_needs_reloads): Delete variable. + (finish_spills): New function. + (compute_use_by_pseudos): New function. + + (delete_caller_save_insns): Lose argument FIRST. All callers changed. + Use the reload_insn_chain instead of walking the rtl directly. + + (reload): Allocate and free spilled_pseudos. + Ensure that all calls of spill_hard_reg are followed by a call to + finish_spills. + Use the insns_need_reload list instead of something_needs_reloads + to find out if reload_as_needed must be called. + Clear unused_insn_chains at the end. + + (calculate_needs_all_insns): Lose FIRST parameter. All callers + changed. + Delete code to keep track of current basic block. + Walk reload_insn_chain instead of the rtl structure. Build the + insns_need_reload chain. + Remember which insns need reloading/elimination by setting the + appropriate fields in struct insn_chain, not by putting modes on the + insn. + + (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of + arg INSN. All callers changed. + Delete declaration of struct needs. + Don't set something_needs_reloads. + Record insn needs in the CHAIN argument. + + (spill_hard_reg): Record the affected pseudos in spilled_pseudos. + + (reload_as_needed): Lose FIRST arg. All callers changed. + Walk the reload_insn_chain instead of the rtx structure. + Delete code to keep track of current basic block. + Rename one of the NEXT variables to OLD_NEXT. + + (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All + callers changed. + (choose_reload_regs): Likewise. + + (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All + callers changed. + + * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout + instead of (MOVE_MAX / UNITS_PER_WORD) computation. + (hard_regs_live, hard_regs_need_restore): Delete variables. + (n_regs_saved): Now static. + (referenced_regs, this_insn_sets): New variables. + + (setup_save_areas): Restructure the code a bit. + + (restore_referenced_regs): Delete function. + (mark_referenced_regs): New function, similar to the old + restore_referenced_regs, but mark registers in referenced_regs. + + (clear_reg_live): Delete function. + (mark_set_regs): Renamed from set_reg_live. All callers changed. + Only mark registers in this_insn_sets. + + (save_call_clobbered_regs): Rework this function to walk the + reload_insn_chain instead of using the list of instructions directly. + Delete code to keep track of register lives, compute live regs on the + fly from information in the chain. + Instead of calling restore_referenced_regs, use mark_referenced_regs, + then walk the set it computes and call insert_restore as appropriate. + + (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All + callers changed. + Restructure the code a bit. Test hard_regs_saved instead of + hard_regs_need_restore. + (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE + args. All callers changed. + Restructure the code a bit. Use TO_SAVE to determine which regs to + save instead of more complicated test. + (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All + callers changed. + Create a new insn_chain structure for the new insn and place it + into the chain. + + * rtl.texi: Update documentation to reflect that reload no longer + puts modes on the insns. + +1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de> + + * function.c (purge_addressof_1): Force the first argument of a + CALL insn to memory. + +Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com) + + * rtl.h: Delete duplicate prototypes. Add some missing + prototypes. + * rtlanal.c (for_each_rtx): Formatting tweak. + +1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl> + + * real.c (emdnorm and etoasc): Disable round to even for c4x target + to be compatible with TI compiler. + + * Makefile.in (USER_H): Add va-c4x.h to definition. + +Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com> + + * function.c (purge_addressof_1): Fix typo in inequality: do + bitfield optimization for equal mode sizes. + * expmed.c (store_bit_field): Don't take subregs of subregs in + the movstrict case. Tidy a potential problem in the multi-word case. + (extract_bit_field): Likewise. + +Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de> + + * flow.c (find_basic_blocks): Emit NOPs after normal calls in this + function. + Compute max_uid_for_flow by calling get_max_uid after the scan. + (find_basic_blocks_1): Don't emit NOPs here. + +Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com> + + * alias.c (base_alias_check): Accept new args for the modes of the + two references. Use them to determine if an AND can overlap. Update + all callers. + (memrefs_conflict_p): Assume sizes are aligned, and uses them + to determine if an AND can overlap. + +Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com> + + * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16 + check. Add comment to document problems with TARGET_SUN_FPA version + of this macro. + * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves. + +Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * Makefile.in (gencheck.o): Depend on gansidecl.h. + + * c-common.c (print_char_table): Add missing initializers. + (scan_char_table): Likewise. + (time_char_table): Likewise. + + * c-decl.c (c_decode_option): Mark parameter `argc' with + ATTRIBUTE_UNUSED. + (declare_parm_level): Mark parameter `definition_flag' with + ATTRIBUTE_UNUSED. + + * c-lex.c (readescape): Use `(unsigned)1' in shift. + (yylex): Likewise. Cast `sizeof' to an (int) when comparing + against one. + + * calls.c (store_one_arg): Remove unused parameter `fndecl'. All + callers changed. + (emit_call_1): Mark parameters `fndecl' and `funtype' with + ATTRIBUTE_UNUSED. + (expand_call): Cast result of MIN() to (unsigned int) when + comparing against an unsigned value. + + * cccp.c (pcfinclude): Remove unused parameter `limit'. All + callers changed. + (make_definition): Remove unused parameter `op'. All callers + changed. + (create_definition): Cast REST_EXTENSION_LENGTH to (long) when + comparing against the result of pointer arithmetic. + + * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned) + when comparing against one. + + * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and + HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against + one. + (output_die): Move variable `i' into the scope in which it is + used. Change its type to `unsigned'. + (output_die): Cast the result of `strlen' to (int) when passing it + to ASM_OUTPUT_ASCII(). + (output_pubnames): Likewise. + (output_line_info): Likewise. + + * emit-rtl.c (global_rtl): Add missing initializers. + + * explow.c (promote_mode): Mark parameter `for_call' with + ATTRIBUTE_UNUSED. + + * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to + `unsigned HOST_WIDE_INT' when comparing against one. + (synth_mult): Change type of variable `cost' to int. + (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift. + + * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned) + when comparing against one. + (get_inner_reference): Change variable `alignment' to unsigned. + (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned + int) when comparing against one. + (expand_builtin_setjmp): Change type of variable `i' to size_t. + + * fold-const.c (div_and_round_double): Cast BASE to + (HOST_WIDE_INT) when comparing against one. + + * gencheck.c: Include gansidecl.h. + (main): Mark parameter `argv' with ATTRIBUTE_UNUSED. + + * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and + `tcode' with ATTRIBUTE_UNUSED. + + * real.c (edivm): Cast constant value to (unsigned long) in + expression compared against an unsigned value. + + * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when + comparing against one. + (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int) + when comparing against one. + + * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to + (unsigned int) when comparing against one. Likewise for + GET_MODE_BITSIZE. + (smallest_mode_for_size): Likewise. + (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED. + (restore_storage_status): Likewise. + + * toplev.c (debug_args): Add missing initializer. + (f_options): Spelling correction. Add missing initializers. + (documented_lang_options): Likewise. + (debug_end_source_file): Mark parameter `lineno' with + ATTRIBUTE_UNUSED. + + * tree.c (valid_machine_attribute): Mark parameters `attr_args', + `decl' and `type' with ATTRIBUTE_UNUSED. + + * varasm.c (decode_reg_name): Cast `sizeof' expression to (int) + when comparing against one. + (assemble_variable): Mark parameter `top_level' with + ATTRIBUTE_UNUSED. + (assemble_external_libcall): Mark parameter `fun' with + ATTRIBUTE_UNUSED. + (output_constant_pool): Mark parameters `fnname' and `fndecl' with + ATTRIBUTE_UNUSED. + +Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com> + + * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration. + Replace use of r5 with use of r19. + + * config/v850/v850.h (LINK_POINTER_REGNUM): Define. + + * config/v850/v850.c (compute_register_save_size): Allow for the + fact that helper functions save all registers, not just those used + by the function. + + Replace constant 31 with macro LINK_POINTER_REGNUM. + + * config/v850/v850.md: Use 'indirect_operand' rather than + 'memory_operand' for bit test/set/clear patterns. + +Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com> + + * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL. + * varasm.c (assemble_start_function et al): Don't call + ASM_GLOBALIZE_LABEL for weak symbols. + +Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com> + + * cse.c (equiv_constant): Check for NULL return from + gen_lowpart_if_possible(). + +Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com) + + * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands. + + * collect2.c (main): Pass -EL/-EB through to the compiler. + +1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl> + + * expr.c (push_block): Handle targets where the stack grows + to higher addresses, but args grow to lower addresses and + ACCUMULATE_OUTGOING_ARGS is not defined. + +Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com> + + * config/v850/v850.c (print_operand): Extend meaning + of 'c' operands to support .vtinherit. + +Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + + * config/c4x/c4x.c: Convert to gen_rtx_FOO. + Added ATTRIBUTE_UNUSED to unused function arguments. + (rc_reg_operand): New predicate. + (c4x_rptb_insert): New function. + (c4x_rptb_nop_p): Recognize modified rptb_top pattern. + (c4x_optimization_options): New function. + + * config/c4x/c4x.md: Convert to gen_rtx_FOO. + (decrement_and_branch_on_count): New pattern. + (rptb_top): Modified pattern to work with BCT optimization. + + * config/c4x/c4x.h (RC_REG): New register class. + (rc_reg_operand): Define prototype. + (IS_RC_REG): New macro. + (IS_RC_OR_PSEUDO_REG): New macro. + (IS_RC_OR_PSEUDO_REGNO): New macro. + (OPTIMIZATION_OPTIONS): Define. + +Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com> + + * collect2.c (extract_init_priority): No priority is 65535. + +Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br> + + * Makefile.in (build_tooldir): New variable, same as old + $(tooldir), but without depending on $(libdir)/$(unlibsubdir). + (GCC_FOR_TARGET): Add -B$(build_tooldir)/bin/. + (bootstrap, bootstrap2, bootstrap3, bootstrap4): Likewise. + + * configure.in (gxx_include_dir): Set default based on unlibsubdir. + * Makefile.in (tooldir): Likewise. + (cccp.o, cpplib.o): Use unlibsubdir implicitly through + gxx_include_dir, includedir and tooldir. + (protoize.o, unprotoize.o): Likewise. + +Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com> + + * config/arm/arm.md: Replace (reg 24) with (reg:CC 24). + + * config/arm/thumb.c (thumb_override_options): Add warning about + PIC code not being supported just yet. + +Sun Oct 11 16:49:15 1998 John Wehle (john@feith.com) + + * flow.c: Update comment. + (notice_stack_pointer_modification): New static function. + (record_volatile_insns): Use it. + (mark_regs_live_at_end): Mark the stack pointer as alive + at the end of the function if current_function_sp_is_unchanging + is set. + (life_analysis_1): Set current_function_sp_is_unchanging. + * function.c: Define it. + (init_function_start): Initialize it. + * output.h: Declare it. + * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark + the stack pointer as alive at the end of the function if + current_function_sp_is_unchanging is set. + * i386.c (ix86_epilogue): Optimize the restoring + of the stack pointer. + +Mon Oct 12 01:22:53 1998 Jeff Law (law@cygnus.com) + + * version.c: Bump for snapshot. + +Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com> + + * c-pragma.c (handle_pragma_token): If passed a token instead + of a tree, use that as the pack value. + +Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com> + + * flow.c (find_basic_blocks_1): Fix prototype. + +Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com> + + * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros. + (struct tree_decl): New fields no_check_memory_usage. + * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE. + (init_attributes): Register it as a new attribute. + (decl_attributes): Set flags on functions given that attribute. + * c-decl.c (duplicate_decls): Merge new attribute. + * expr.h (current_function_check_memory_usage): Declare new var. + * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c, + pa.c, sparc.c: Replace uses of flag_check_memory_usage with + current_function_check_memory_usage. + * function.h: Add field to struct function. + * function.c (current_function_check_memory_usage): Define it. + (push_function_context_to, pop_function_context_from): Save and + restore it. + (expand_function_start): Set it, based on global flag and function + attribute. + + * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do + check non-automatic variables, to permit detection of writes to + read-only locations in embedded systems without memory management. + * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument + when emitting chkr_set_right_libfunc call, even if the argument is + BLKmode or variable-sized; don't abort. + + * optabs.c (init_optabs): Create Checker and __cyg_profile_* + symbols in Pmode, not VOIDmode. + +Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu> + + * cppexp.c: When forcing unsigned comparisons, cast both sides + of the operation. + + * cpphash.h: Move static declaration of hashtab[]... + * cpphash.c: ...here. + + * cpplib.c: Cast difference of two pointers to size_t before + comparing it to size_t. Cast signed to unsigned + before comparing to size_t. (FIXME: struct argdata should use + unsigned buffer sizes.) + * cpplib.h (struct cpp_reader): Declare token_buffer_size as + unsigned int. (CPP_WRITTEN): Cast return value to size_t. + (CPP_RESERVE): Parenthesize N for evaluation order, cast to + size_t before comparison. + +Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com) + + * flow.c (find_basic_blocks): Delete "live_reachable_p" argument. + (find_basic_blocks_1): Similarly. + * output.h (find_basic_blocks): Fix prototype. + * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to + find_basic_blocks anymore. + +Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com> + + * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro. + (sbitmap_free, sbitmap_vector_free): New macros. + * output.h (rtl_dump_file): Declare. + +Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com) + + * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION. + +Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * fp-bit.c (SFtype): Don't implicitly use int in declaration. + (DFtype): Likewise. + (_fpdiv_parts): Remove unused parameter `tmp', all callers changed. + (divide): Remove unused variable `tmp'. + (si_to_float): Cast numeric constant to (SItype) before comparing + it against one. + +Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk> + + * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use. + * gcc.c (add_preprocessor_option): Correct typo when allocating + memory, sizeof() argument had one too many `*'. + (add_assembler_option): Likewise. + (add_linker_option): Likewise. + * gcov.c (output_data): Likewise. + * local-alloc.c (memref_used_between_p): Likewise. + (update_equiv_regs): Likewise. + * loop.c (strength_reduce): Likewise. + * reg-stack.c (record_asm_reg_life): Likewise. + (subst_asm_stack_reg): Likewise. + * reorg.c (dbr_schedule): Likewise. + +Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE> + + * flow.c (life_analysis_1): Break out some functions. + (find_basic_blocks_1): Likewise. Also move some variables out and + make them static. + Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize + new static var nonlocal_label_list with it. + (active_eh_region, nested_eh_region, label_value_list, + nonlocal_label_list): New static variables. + (make_edges, delete_unreachable_blocks, delete_block): New static + functions, broken out of find_basic_blocks_1. + (record_volatile_insns, mark_regs_live_at_end, set_noop_p, + noop_move_p): New static functions, broken out of life_analysis_1. + +Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com> + + * expmed.c (store_bit_field): Pun non-integral str_rtx modes. + Take extra care for op0 now possibly being a subreg. + (extract_bit_field): Likewise. + * function.c (purge_addressof_1): Revert Oct 4 change. Drop + the reg to memory if there is no equal sized integral mode. + * stor-layout.c (int_mode_for_mode): New function. + * machmode.h: Prototype it. + +Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com) + + * global.c (build_insn_chain): Verify no real insns exist past the + end of the last basic block, then exit the loop. + +Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@gnu.org> + + * loop.c (insert_bct): Ensure loop_iteration_var nonzero before use. + +Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com> + + * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS. + +Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@gnu.org> + + * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases. + +Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com> + + * flow.c (find_basic_blocks): Correctly determine when a call + is within an exception region. + +Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com) + + * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'. + + * cpplib.h: Protect from multiple inclusions. + * cpplib.c: Fix minor formatting problems. + + * i386/xm-cygwin32.h: Only define POSIX if it is not already defined. + + * jump.c (jump_optimize): Revert accidental patch. + + * Makefile.in (cpplib.o): Use unlibsubdir. + +Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com> + + * loop.c (get_condition): Allow combine when either compare is + VOIDmode. + +Thu Oct 8 11:31:01 1998 Jeff Law (law@cygnus.com) + + * version.c: Bump for snapshot. + +Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk> + + * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF. + (init_lex): Initialize ridpointers[RID_BYREF]. + * c-lex.h (enum rid): Add RID_BYREF. + * c-parse.gperf: Add RID_BYREF as a type qualifier. + * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF. + (encode_type_qualifiers): Similarly. + * c-gperf.h: Rebuilt. + +Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com) + + * c-common.c (type_for_mode): Only return TItype nodes when + HOST_BITS_PER_WIDE_INT is >= 64 bits. + * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare + when HOST_BITS_PER_WIDE_INT is >= 64 bits. + (init_decl_processing): Only create TItype nodes when + HOST_BITS_PER_WIDE_INT is >= 64 bits. + * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare + when HOST_BITS_PER_WIDE_INT is >= 64 bits. + +Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE> + + * stmt.c (n_occurrences): New static function. + (expand_asm_operands): Verify that all constrains match in the + number of alternatives. + Verify that '+' or '=' are at the beginning of an output constraint. + Don't allow '&' for input operands. + Verify that '%' isn't written for the last operand. + * reload.c (find_reloads): Abort if an asm is found with invalid + constraints; all possible problems ought to be checked for earlier. + +Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + + * flags.h (flag_branch_on_count_reg): Always declare. + * toplev.c (flag_branch_on_count_reg): Likewise. + * toplev.c: Fix typos. + + * real.c (c4xtoe): Remove unused variables. Add some missing parens. + (toc4x): Similarly. + +Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com> + + * flow.c (find_basic_blocks): Calc upper bound for extra nops in + max_uids_for_flow. + (find_basic_blocks_1): Add a nop to the end of a basic block when + a trailing call insn does not have abnormal control flow. + * gcse.c (pre_transpout): New variable. + (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it. + (compute_pre_transpout): Calculate it. + (compute_pre_ppinout): Use it to eliminate impossible placements + due to abnormal control flow through calls. + (compute_pre_data): Call compute_pre_transpout. + +Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com> + + * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo. + +Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com> + + * config/mips/mips.md (tablejump_internal3, tablejump_internal4 + and matching define_insns): Tack on a `use' of the table label, so + flow analysis will recognize a tablejump. + +Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com> + + * gcse.c (pre_insert_insn): Tweek to notice that calls do not + always end basic blocks for abnormal edge reasons. + +Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com> + + * config/i386/i386.h: Remove definition of + HANDLE_PRAGMA_PACK_PUSH_POP. + + * config/i386/go32.h: Add definition of + HANDLE_PRAGMA_PACK_PUSH_POP. + + * config/i386/win32.h: Add definition of + HANDLE_PRAGMA_PACK_PUSH_POP. + + * config/i386/cygwin32.h: Add definition of + HANDLE_PRAGMA_PACK_PUSH_POP. + + * c-pragma.c (insert_pack_attributes): Do not insert + attributes unless #pragma pack(push,<n>) is in effect. + +Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com> + + * expr.c (emit_group_store): Handle a PARALLEL destination. + +Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com> + + * gcse.c (pre_insert_insn): When a call ends a bb, insert + the new insns before the argument regs are loaded. + +Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf. + (c-parse.gperf): Update comments describing invocation flags. + (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs). + +1998-10-07 Manfred Hollstein <manfred@s-direktnet.de> + + * reload1.c (reload): Call free before clobbering the memory + locations or constants pointers. + +Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com> + + * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework + for efficiency by checking whether we need to modify the current + stack permission at all. + (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define. + * config/sparc/sparc.c (sparc_initialize_trampoline): Emit + __enable_execute_stack libcall here too if + TRANSFER_FROM_TRAMPOLINE is defined. + * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if + IN_LIBGCC2. + +Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com) + + * Makefile.in (DRIVER_DEFINES): Remove last change. + +Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE> + + * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all + insns we're going to copy. + * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX. + + * loop.c (count_one_set): Add prototype. + + * caller-save.c (restore_referenced_regs): Lose mode argument. + (insert_save): Lose mode argument. + (insert_restore): Lose mode argument. + (insert_one_insn): Lose mode argument. + (save_call_clobbered_regs): Lose mode argument. + (setup_save_areas): Take no argument and return void. All callers + changed. + Don't verify validity of memory addresses. + * reload.h (setup_save_ares): Adjust prototype. + (save_call_clobbered_regs): Likewise. + * reload1.c (delete_caller_save_insns): New function. + (caller_save_spill_class): Delete variable. + (caller_save_group_size): Delete variable. + (reload): Call setup_save_areas and save_call_clobbered_regs + in the main loop, before calling calculate_needs_all_insns. + Don't call save_call_clobbered_regs after the loop. + Call delete_caller_save_insns at the end of an iteration if + something changed. + Delete code to manage caller_save_spill_class. + Emit the final note before setting reload_first_uid. + Simplify test that determines whether reload_as_needed gets run. + (calculate_needs): Delete code to manage caller_save_spill_class. + +Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com> + + * collect2.c (main): Initialize ld_file_name. + +Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com> + + * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't + check for flag_function_sections. + +Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * cse.c (insert_regs): Fix bug in Sep 24 change. + +Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * flags.h (flag_dump_unnumbered): Declare. + * toplev.c (flag_dump_unnumbered): Don't declare. + * print-rtl.c (flags.h): Include. + (print_rtl_single): Add return value. + * rtl.h (print_rtl_single): Update declaration. + * flow.c (flag_dump_unnumbered): Don't declare. + (print_rtl_with_bb): Use return value of print_rtl_single. + +Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE> + + * loop.c (count_one_set): New static function, broken out of + count_loop_regs_set. + (count_loop_regs_set): Call it. + * global.c (mark_reg_store): Handle clobbers here by not calling + set_preference. + (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER + is in fact a clobber. + * integrate.c (process_reg_param): New function, broken out of + expand_inline_function. + (expand_inline_function): Call it. + + * i386.md (addsidi3_1): Delete unused variable temp. + (addsidi3_2): Likewise. + (clstrstrsi): Delete unused variable addr1. + + * rtl.h: Don't declare any functions also declared in recog.h. + + * Makefile.in (stupid.o): Update dependencies. + (global.o): Likewise. + + * global.c: Include reload.h. + (reg_becomes_live): New function. + (reg_dies): New function. + (build_insn_chain): New function. + (global_alloc): Call build_insn_chain before calling reload. + + * reload.h (struct needs): New structure definition. + (struct insn_chain): Likewise. + (reload_insn_chain): Declare variable. + (new_insn_chain): Declare function. + + * reload1.c (reload_startobj): New variable. + (reload_insn_chain): New variable. + (unused_insn_chains): New variable. + (new_insn_chain): New function. + (init_reload): Initialize reload_startobj, not reload_firstobj. + (reload): Initialize reload_firstobj. + Before returning, free everything on the reload_obstack. + + * stupid.c: Include insn-config.h, reload.h and basic-block.h. + (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber, + current_chain): New variables. + (reg_where_born): Delete variable. + (REG_WHERE_BORN): New macro. + (find_clobbered_regs): New function. + (stupid_life_analysis): Don't allocate/free reg_where_born. + Allocate and free reg_where_born_exact, reg_where_born_clobber, + reg_where_dead_chain. + Use REG_WHERE_BORN instead of reg_where_born. + While processing the insns, build the reload_insn_chain with + information about register lifetimes. + (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born. + (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers + changed. + Compute and information about birth and death of pseudo registers in + reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber. + Delete code to set elements of reg_where_born. + +Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com> + + * tree.def (GOTO_EXPR): Modified documentation. + * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed + goto. + +Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@gnu.org> + + * unroll.c (loop_iteration_var, loop_initial_value, loop_increment + loop_final_value, loop_comparison_code): No longer static. + (unroll_loop): Delete loop_start_value update. + * loop.h (loop_iteration_var, loop_initial_value, loop_increment, + loop_final_value, loop_comparison_code): Extern. + (loop_start_value): Delete extern. + * loop.c (loop_can_insert_bct, loop_increment, loop_start_value, + loop_comparison_value, loop_comparison_code): Delete. + (loop_optimize): Remove initialization for deleted variables. + (strength_reduce): Delete analyze_loop_iterations call. Only call + insert_bct if flag_branch_count_on_reg set. + (analyze_loop_iterations): Delete. + (insert_bct): Remove iteration count calculation. Move checks for + viable BCT optimization to here. Obtain iteration count from + loop_iterations and correct for unrolling. Check for enough + iteration to be beneficial. Comment out runtime iteration count + case. + (insert_bct): Print iteration count in dump file. Remove + loop_var_mode and use word_mode directly. + + * rs6000.h (processor_type): Add PROCESSOR_PPC604e. + * rs6000.c (rs6000_override_options): Use it. + (optimization_options): Enable use of flag_branch_on_count_reg. + * rs6000.md (define_function_unit): Describe 604e. + +1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl> + + * loop.c (move_movables): Corrected threshold calculation for + moved_once registers. + +Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE> + + * loop.c (combine_givs_p): Fix test for identical givs. + +Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com> + + * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't + call abort if the function is already defined. + +Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com) + + * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if + truncation is not a no-op. + +Mon Oct 5 09:02:04 1998 Jeff Law (law@cygnus.com) + + * version.c: Bump for snapshot. + +Mon Oct 5 08:19:55 1998 Jeff Law (law@cygnus.com) + + * version.c: Bump for snapshot. + +Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se> + + * expmed.c (expand_divmod): Don't widen for computing remainder + if we seem to have a divmod pattern for needed mode. + +Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu> + + * cpplib.c (macroexpand): Correct off-by-one error in handling + of escapes. + +Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com> + + * combine.c (expand_field_assignment): Don't do bitwise operations + on MODE_FLOAT; pun to MODE_INT if possible. + +Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com> + scott snyder <snyder@d0sgif.fnal.gov> + + * tlink.c (scan_linker_output): Recognize errors from irix 6.2 + linker. Recognize mangled names in quotes. + +Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz> + + * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64. + (ashlsi3_const1, ashldi3_const1): New combiner patterns. + (ashrsi3_extend, ashrsi3_extend2): New combiner patterns. + (lshrsi3_extend, lshrsi3_extend2): Likewise. + +Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com> + + * function.c (purge_addressof_1): If trying to take a sub-word + integral piece of a floating point mode, put it on the stack. + +Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com> + + * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake. + +Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com> + + * PROJECTS: Remove template friends. + + * collect2.c (sort_ids): Remove unused variable. + + * tm.texi (MATH_LIBRARY): Document. + (NEED_MATH_LIBRARY): Remove. + + * varasm.c (assemble_start_function, assemble_variable, weak_finish, + assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too. + +Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu> + + * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize + last_end to 0x7fffffff. + +Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com> + + * function.c (purge_addressof_1): Do not perform endianness + corrections on bitpos, who we call will do it for us. + +Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com) + + * h8300.c (WORD_REG_USED): Fix typo. + (initial_offset): Use WORD_REG_USED. + + * h8300.c (handle_pragma): Fix typo. + +Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE> + + * caller-save.c (insert_save_restore): Break this function up + into new functions insert_restore, insert_save and insert_one_insn. + All callers changed. + (insert_restore): New function, mostly broken out of + insert_save_restore. + (insert_save): Likewise. + (insert_one_insn): Likewise. + (restore_referenced_regs): New argument BLOCK. All callers changed. + (save_call_clobbered_regs): Don't keep track of basic block boundaries + in this function, do it in insert_one_insn instead. + + * reload1.c (reload): Break out some more pieces into separate + functions. + (dump_needs): New function, broken out of reload. + (set_initial_elim_offsets): Likewise. + (init_elim_table): Likewise. + (update_eliminables): Likewise. + + * global.c (global_alloc): Delete code to manage the scratch_list. + * local-alloc.c (qty_scratch_rtx): Delete. + (scratch_block): Delete. + (scratch_list): Delete. + (scratch_list_length): Delete. + (scratch_index): Delete. + (alloc_qty_for_scratch): Delete. + (local-alloc): Update initialization of max_qty. + Delete code to manage the scratch list. + Delete code to allocate/initialize qty_scratch_rtx. + (block_alloc): Don't allocate quantities for scratches. + Delete code to manage the scratch list. + * regs.h (scratch_list): Delete declaration. + (scratch_block): Delete declaration. + (scratch_list_length): Delete declaration. + * reload1.c (reload): Delete code to manage the scratch list. + (spill_hard_reg): Likewise. + (mark_scratch_live): Delete. + + * recog.c (alter_subreg): Delete declaration. + +1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de> + + * Makefile.in (cccp.o): Fix typo in last patch. + +Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * t-sh (LIB1ASMFUNCS): Add _set_fpscr . + * config/sh/lib1funcs.asm (___set_fpscr): Add. + +Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com) + + * regclass.c (reg_scan_mark_refs): Return immediately if passed a + NULL_RTX as an argument. + + * Makefile.in (unlibsubdir): Define. + (DRIVER_DEFINES): Use unlibsubdir. + (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly. + (stmp-fixinc): Similarly. + +Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE> + + * regmove.c (regmove_optimize): Add variable old_max_uid. + At the end of the function, update basic_block_end. + +Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com> + + * dwarf2out.c (expand_builtin_dwarf_reg_size): Use + FIRST_PSEUDO_REGISTER as upper bound for last_end, not an + arbitrary constant. + +Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com> + + * config/arm/arm.c: Improve interworking support. + +Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was + copied from reload_out[r] . + +Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu> + + * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work + with more than three size ranges. + + * flow.c (sbitmap_copy): Use bcopy to copy bitmap. + + * rtl.c (mode_name): Add a null string at the end of the array. + (mode_wider_mode): Change type to unsigned char. + (mode_mask_array): New variable. + (init_rtl): Update for mode_wider_mode type change. + + * rtl.h (mode_wider_mode): Change type to unsigned char. + (mode_mask_array): Declare. + (GET_MODE_MASK): Use mode_mask_array. + +Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com> + + * calls.c (expand_call) : Encapsulate code into + copy_blkmode_from_reg. + * expr.c (copy_blkmode_from_reg): New function. + * expr.h (copy_blkmode_from_reg): New function. + * integrate.c (function_cannot_inline_p): We can inline + these now. + (expand_inline_function): Use copy_blkmode_from_reg + if needed. Avoid creating BLKmode REGs. + (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode + object. + +Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com> + + * config/v850/v850.c: Add function prototypes. + Add support for v850 special data areas. + + * config/v850/v850.h: Add support for v850 special data areas. + + * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and + HANDLE_PRAGMA_PACK_PUSH_POP. + (push_alignment): New function: Cache an alignment requested + by a #pragma pack(push,<n>). + (pop_alignment): New function: Pop an alignment from the + alignment stack. + (insert_pack_attributes): New function: Generate __packed__ + and __aligned__ attributes for new decls whilst a #pragma pack + is in effect. + (add_weak): New function: Cache a #pragma weak directive. + (handle_pragma_token): Document calling conventions. Add + support for #pragma pack(push,<n>) and #pragma pack (pop). + + * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP + are defined enable HANDLE_PRAGMA_PACK. + Move 'struct weak_syms' here (from varasm.c). + Add pragma states for push and pop pragmas. + + * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES + if it is defined. + + * c-lex.c: Replace occurrences of HANDLE_SYSV_PRAGMA with + HANDLE_GENERIC_PRAGMAS. + + * varasm.c: Move definition of 'struct weak_syms' into + c-pragma.h. + (handle_pragma_weak): Deleted. + + * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP. + + * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP. + + * c-decl.c (start_function): Add invocation of + SET_DEFAULT_DECL_ATTRIBUTES, if defined. + + * tm.texi: Remove description of non-existent macro + SET_DEFAULT_SECTION_NAME. + + (HANDLE_SYSV_PRAGMA): Document. + (HANDLE_PRAGMA_PACK_PUSH_POP): Document. + +Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com> + + * config.sub: Recognize i[34567]86-pc-udk as new target. + * configure.in: Likewise. + * config/i386/t-udk: New file. + * config/i386/udk.h: New file. + +Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com) + + * reorg.c (check_annul_list_true_false): Remove unused variables. + (steal_delay_list_from_target): Add missing "used_annul" variable. + (try_merge_delay_insns): Close out half formed comment. + +Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu> + + * cpplib.c (macroexpand): If arg->raw_before or + arg->raw_after, remove any no-reexpansion escape at the + beginning of the pasted token. Correct handling of whitespace + markers and no-reexpand markers at the end if arg->raw_after. + + * toplev.c (documented_lang_options): Recognize -include, + -imacros, -iwithprefix, -iwithprefixbefore. + * cpplib.c (cpp_start_read): Process -imacros and -include + switches at the same time and in command-line order, after + initializing the dependency-output code. Emit properly nested + #line directives for them. Emit a #line for the main file + before processing these switches, and don't do it again + afterward. + +Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com> + + * function.c (purge_addressof_1): Use bitfield manipulation + routines to handle mem mode < reg mode. + +Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl> + + * reorg.c (try_merge_delay_insns): Account for resources referenced + in each instruction in INSN's delay list before trying to eliminate + useless instructions. Similarly when looking at a trial insn's delay + slots. + + * reorg.c (check_annul_list_true_false): New function. + (steal_delay_list_from_{target,fallthrough}): Call it and also + refine tests for when we may annul if already filled a slot. + (fill_slots_from_thread): Likewise. + (delete_from_delay_slot): Return newly-created thread. + (try_merge_delay_isns): Use its new return value. + +Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com) + + * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is + used to compute a giv or as some other non-counting use. + +Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + + * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro. + * local-alloc.c (find_free_reg): Use it. + * global.c (find_reg): Likewise. + * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED. + + * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro. + * caller-save.c (init_caller_save): Use it. + * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE. + +Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu> + + * configure.in: Add --enable-cpplib option which uses cpplib + for cpp, but doesn't link cpplib into cc1. Make help text + capitalization consistent. + * configure: Rebuilt. + +Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com> + + * function.c (gen_mem_addressof): If the address REG is + REG_USERVAR_P make the new REG be so also. + * loop.c (scan_loop): Apply DeMorgan's laws and add documentation + in an attempt to clarify slightly. + +Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com) + + * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF + and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE. + +Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com> + + * toplev.c: Fix last patch. + +Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com> + + * loop.c (get_condition): Fix typo in May 9 change. + +Tue Sep 29 11:11:38 1998 Andrew MacLeod <amacleod@cygnus.com> + + * invoke.texi (-fexceptions): Merge 2 different descriptions. + +Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * toplev.c (documented_lang_options): Spelling corrections. + +Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br> + + * configure.in: New flags --with-ld and --with-as, equivalent + to setting LD and AS environment variables. Test whether + specified arguments are GNU commands, and report them with + checking messages. Use the specified AS for configure + tests too. + * configure: Likewise. + * acconfig.h: Add DEFAULT_ASSEMBLER and DEFAULT_LINKER. + * config.in: Likewise. + * gcc.c (find_a_file): When looking for `as' and `ld', return + the DEFAULT program if it exists. + * collect2.c (main): Use DEFAULT_LINKER if it exists. + + * gcc.c (find_a_file): The test for existence of a full + pathname was reversed. + +Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com> + + * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems. + * rs6000.c (output_mi_thunk): Always use a raw jump for now. + +Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com> + + * tree.h (TYPE_BINFO): Document. + +Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com> + + * i386-coff.h (dbxcoff.h): Added. + +Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com> + + * toplev.c: Fix bad patch around flag_data_sections. + +Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com> + + * reload1.c (reload): Use reload_address_index_reg_class and + reload_address_base_reg_class when setting + caller_save_spill_class. (Patch generated by Jim Wilson: + wilson@cygnus.com). + +Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com> + + * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs + and ARRAY_TYPEs. Tidy up. Improve support for type-punning. + * expr.c (store_field): Add alias_set parameter. Set the + MEM_ALIAS_SET accordingly, if the target is a MEM. + (expand_assignment): Use it. + (store_constructor_field): Pass 0. + (expand_expr): Likewise. + +Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com> + + * flags.h: Add flag_data_sections. + * toplev.c: Add option -fdata-sections. Add flag_data_sections. + (compile_file): Error if flag_data_sections not supported. + * varasm.c (assemble_variable): Handle flag_data_sections. + * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME. + * config/mips/elf.h: Likewise. + * config/mips/elf64.h: Likewise. + * invoke.texi: Describe -fdata-sections. + +Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org> + + * invoke.texi (-ffloat-store): Clarify that this option + does not affect intermediate results -- only variables. + +Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com) + + * cpp.texi: Update for Fortran usage from Craig. + +Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@gnu.org> + + * rs6000.c (function_arg_boundary): Revert accidental change on + September 18. + +Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com> + + * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk. + (output_mi_thunk): Declare. + + * rs6000.c (output_mi_thunk): Function to create thunks for MI. + (output_function_profiler): Use r12 for temp, instead of r11 so + that we preserve the static chain register. + +Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com> + + * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums. + +Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * sh.c (gen_shl_sext): Fix case 5. + +Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * reload1.c (reload_combine): Re-add line that got accidentally lost. + +Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid + accessing variables until they are initialized via va_arg(). + +Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com> + + * reload1.c (reload_combine): Initialize set before using. + +Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com> + + * sdbout.c (sdbout_field_types): Don't emit the types of fields we + won't be emitting. + +Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com> + + * config/arm/arm.md (insv): Add comment. In CONST_INT case, and + operand3 with mask before using it. Patch provided by Jim Wilson. + +Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz> + + * config/sparc/sparc.c (function_value): Perform the equivalent of + PROMOTE_MODE for ARCH64. + (eligible_for_epilogue_delay): Allow DImode operations in delay + slot of a return for ARCH64. + +Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * sh.md (sqrtsf2): Fix mode of sqrt. + +Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * reload1.c (choose_reload_regs): Also try inheritance when + reload_in is a stack slot of a pseudo, even if we already got a + reload reg. + +Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs. + (reload_cse_regs): New function body: call reload_cse_regs_1, + reload_combine, reload_cse_move2add. + When doing expensive_optimizations, call reload_cse_regs_1 a + second time after reload_cse_move2add. + (reload_combine, reload_combine_note_store): New functions. + (reload_combine_note_use): New function. + (reload_cse_move2add, move2add_note_store): New functions. + +Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR + reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing. + + Properly keep track of first RELOAD_FOR_X_ADDRESS also for + more than 3 such reloads. + + If there is not more than one RELOAD_FOR_X_ADDRESS, don't change + RELOAD_FOR_X_ADDR_ADDR reload. + +Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * expr.c (store_constructor): When initializing a field that is smaller + than a word, at the start of a word, try to widen it to a full word. + + * cse.c (cse_insn): When we are about to change a register, + remove any invalid references to it. + + (remove_invalid_subreg_refs): New function. + (mention_regs): Special treatment for SUBREGs. + (insert_regs): Don't strip SUBREG for call to mention_regs. + Check if reg_tick needs to be bumped up before that call. + (lookup_as_function): Try to match known word_mode constants when + looking for a norrower constant. + (canon_hash): Special treatment for SUBREGs. + +Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com> + + * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define. + * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is + defined, emit libcall to __enable_execute_stack. Also fix opcodes + and offsets in actual stack trampoline code so they match the + commentary and actually work. + +Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz> + + * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for + tmake_file. + (sparc64-*-linux): Use t-linux and sparc/t-linux64 for + tmake_file. Set extra_parts to needed crt objects. + * configure: Rebuilt. + * config/sparc/linux64.h (SPARC_BI_ARCH): Define. + (TARGET_DEFAULT): Set if default is v9 or ultra. + (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros. + (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH. + (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise. + (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC, + LINK_SPEC, LINK_ARCH_SPEC): Likewise. + (TARGET_VERSION): Define. + (MULTILIB_DEFAULT): Define. + * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that + mixed 32/64 bit compilers based upon SPARC_BI_ARCH work. + (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define + appropriately. + (TARGET_SWITCHES): Allow ptr32/ptr64 options once more. + * config/sparc/sparc.c (sparc_override_options): If arch and + pointer size disagree, emit diagnostic and fix it up. If + SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off + V8PLUS in 64-bit mode. + * config/sparc/t-linux64: New file. + * config/sparc/t-sol2-64: New file. + * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS. + * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define. + (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC, + CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define. + (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those. + (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC): + Define. + (STARTFILE_SPEC): Set appropriately based upon those. + (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon + disposition of DEFAULT_ARCH32_P. + (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define. + (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those. + (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P. + (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH. + * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on + arch64/v9. + * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise. + +Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com> + + * rtl.h (init_virtual_regs): New function. + * emit-rtl.c (init_virtual_regs): Define. + (insn_emit): Use it. + * integrate.c (save_for_inline_copying): Likewise. + +Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com> + + * config/arm/thumb.h: The following patches were made by Jim Wilson: + (enum reg_class): Add NONARG_LO_REGS support. + (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS, + PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise. + (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload + completes. Re-enable HImode REG+OFFSET addresses. + (LEGITIMIZE_RELOAD_ADDRESS): Define. + + * expmed.c (extract_bit_field): Add comment from Jim Wilson. + +Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com> + + * alpha.c (get_aligned_mem): Revert Sep 20 change. + (alpha_set_memflags, alpha_set_memflags_1): Likewise. + (alpha_align_insns): Properly calculate initial offset wrt max_align. + +Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com) + + * arm.c (find_barrier): Revert change of Apr 23. Handle table + jumps as a single entity, taking into account the size of the + table. + +Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com> + + * tree.def (SWITCH_EXPR): New tree node definition. + +Mon Sep 21 23:40:38 1998 Jeff Law (law@cygnus.com) + + * version.c: Bump for snapshot. + +Mon Sep 21 22:31:14 1998 Jeff Law (law@cygnus.com) + + * version.c: Bump for snapshot. + +Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com) + + * configure.in: Recognize i[34567]86-*-openbsd* and handle it like + NetBSD. + +Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com) + + * Revert this patch. + * reload.c (find_reloads): Do not replace a pseudo with + (MEM (reg_equiv_addr)) in the initializing insn for the + pseudo. + +Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu> + + * final.c (final_scan_insn): Disable tracking CC across branches. + +Mon Sep 21 17:15:26 1998 Andrew MacLeod <amacleod@cygnus.com> + + * expr.h (eh_rtime_match_libfunc): New extern declaration. + * optabs.c (init_optabs): Set eh_rtime_match_libfunc. + * except.c (start_catch_handler): Use eh_rtime_match_libfunc. + * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is + NULL. Only include <stdio.h> if inhibit_libc is not defined. + +Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com> + + * toplev.c (rest_of_compilation): Skip compiling anything with + DECL_EXTERNAL set, not just if it has DECL_INLINE as well. + +Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com> + + * flow.c (find_basic_blocks): Delete check for in_libcall_block when + prev_code is a CALL_INSN. Change check for REG_RETVAL note to + use in_libcall_block. + (find_basic_blocks_1): Delete check for in_libcall_block when prev_code + is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code + to INSN. + +Mon Sep 21 14:02:23 1998 Robert Lipe <robertl@dgii.com> + + * i386.h (TARGET_SWITCHES): Improve doc for align-double. Fix + typo in no-fancy-math-387 description. + +Mon Sep 21 09:27:18 1998 Jeff Law (law@cygnus.com) + + * version.c: Bump for snapshot. + +Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com> + + * i386-coff.h (DBX_DEBUGGING_INFO): Added. + +Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com> + + * i386.h (TARGET_SWITCHES): Add description fields for flags + documented in install.texi. + (TARGET_OPTIONS): Likewise. + +Mon Sep 21 01:39:03 1998 Jeff Law (law@cygnus.com) + + * version.c: Bump for snapshot. + +Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com> + + * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT (). + * cccp.c (main): Likewise. + + * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h: + Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some + macro-use bugs. + +Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com> + + * Makefile.in (LIBS): Link in libiberty.a. + * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy. + +Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com> + + * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use + it to update bb boundaries. Update caller. + * function.c (reposition_prologue_and_epilogue_notes): Update + bb boundaries wrt the moved note. + +Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com> + + * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder + problems. + * configure: Regenerate. + +Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com> + + * alpha.c (alpha_sr_alias_set): New variable. + (override_options): Set it. + (alpha_expand_prologue, alpha_expand_epilogue): Use it. + (mode_mask_operand): Fix signed-unsigned comparison warning. + (alpha_expand_block_move): Likewise. + (print_operand): Likewise. + (get_aligned_mem): Use change_address. + (alpha_set_memflags, alpha_set_memflags_1): Set the alias set. + (alphaev4_insn_pipe, alphaev4_next_group): New functions. + (alphaev4_next_nop, alphaev5_next_nop): New functions. + (alpha_align_insns): Remade from old alphaev5_align_insns + to handle multiple processors. + (alpha_reorg): Call alpha_align_insns for both ev4 and ev5. + * output.h (label_to_alignment): Prototype. + + * tree.c (new_alias_set): New function. + * tree.h (new_alias_set): Declare it. + * c-common.c (c_get_alias_set): Use it. + +Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com> + + * fold-const.c (fold): Yet another COND_EXPR bug: when folding + to an ABS expr, convert an unsigned input to signed. + +Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com) + + * fold-const.c (fold): Fix another type in COND_EXPR handling code. + +1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + + * configure.in: Add support for c4x targets. + * configure: Rebuilt. + +Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com> + + * combine.c (distribute_notes): If an insn is a cc0 user, only + delete it if we can also delete the cc0 setter. + +Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org> + + * fold-const.c (fold): Fix typo in COND_EXPR handling code. + (invert_truthvalue): Enable truthvalue inversion for + floating-point operands if -ffast-math. + +Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca> + + * configure.in: Disable collect2 for nextstep. Instead use + crtbegin/crtend. + * configure: Rebuilt. + * config/nextstep.h (STARTFILE_SPEC): Add crtbegin. + (ENDFILE_SPEC): Define. + (OBJECT_FORMAT_MACHO): Define. + (EH_FRAME_SECTION_ASM_OP): Define. + * crtstuff.c: Handle MACHO. + +Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com> + + * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define. + +1998-09-19 Torbjorn Granlund <tege@matematik.su.se> + + * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0. + (_fpadd_parts): Get sign right for 0. + +1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz> + + * ginclude/varargs.h: Add support for C4x target. + * ginclude/stdargs.h: Likewise. + +Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com> + + * alpha.c (alpha_return_addr): SET should be VOIDmode. + (alpha_emit_set_long_const): Rewrite to be callable from reload + and 32-bit hosts. + (alpha_expand_epilogue): Update for alpha_emit_set_long_const. + * alpha.md (movdi): Likewise. + +Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com) + + * arm.c (add_constant): New parameter address_only, change caller. + Set it nonzero if taking the address of an item in the pool. + (arm_reorg): Handle cases where we need the address of an item in + the pool. + + * arm.c (bad_signed_byte_operand): Check both arms of a sum in + a memory address. + * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle + memory addresses that are not in standard canonical form. + +Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz) + + * README.C4X: New file with information about the c4x ports. + * ginclude/va-c4x.h: New file for c4x varargs support. + * config/c4x: New directory with c4x port files. + +Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com) + + * reload.c (find_reloads): Do not replace a pseudo with + (MEM (reg_equiv_addr)) in the initializing insn for the + pseudo. + +Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@gnu.org> + + * toplev.c (rest_of_compilation): Set bct_p on second call to + loop_optimize. + * loop.c (loop_optimize, scan_loop, strength_reduce): New argument + bct_p. + (strength_reduce): Only call analyze_loop_iterations and + insert_bct if bct_p set. + (check_dbra_loop): Fix typo. + (insert_bct): Use word_mode instead of SImode. + (instrument_loop_bct): Likewise. Do not delete iteration count + condition code generation insn. Initialize iteration count before + loop start. + * rtl.h (loop_optimize): Update prototype. + + * ginclude/va-ppc.h (va_arg): longlong types in overflow area are + not doubleword aligned. + + * rs6000.c (optimization_options): New function. + (secondary_reload_class): Only call true_regnum for PSEUDO_REGs. + * rs6000.h (OPTIMIZATION_OPTIONS): Define. + (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters + first; cr1 can be used for FP record condition insns. + +Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com> + + * config/m32r/m32r.h (m32r_block_immediate_operand): Add to + PREDICATE_CODES. + + * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal" + patterns. + + * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p' + operators. + (block_move_call): New function: Call a library routine to copy a + block of memory. + (m32r_expand_block_move): New function: Expand a "movstrsi" + pattern into a sequence of insns. + (m32r_output_block_move): New function: Expand a + "movstrsi_internal" pattern into a sequence of assembler opcodes. + (m32r_block_immediate_operand): New function: Return true if the + RTL is an integer constant, less than or equal to MAX_MOVE_BYTES. + +Thu Sep 17 16:42:16 1998 Andrew MacLeod <amacleod@cygnus.com> + + * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and + re-align some code. + * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>. + +Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * regmove.c (copy_src_to_dest): Check that modes match. + +Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com> + + * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF. + +Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com> + + * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class + narrower than FLOAT_REGS. + +Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br> + + * cpplib.c: Removed OLD_GPLUSPLUS_INCLUDE_DIR. + * cccp.c: Likewise. + * Makefile.in (old_gxx_include_dir): Removed. + +Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com> + + * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match + new specification. + + * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma(). + (sh_handle_pragma): Change function arguments to match new + specification for HANDLE_PRAGMA. + +Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to + `unsigned char'. + (main): Mark parameter `argc' with ATTRIBUTE_UNUSED. + When generating output, initialize missing struct member to zero. + +Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * regmove.c (copy_src_to_dest): Don't copy if that requires + (a) new register(s). + +Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de> + + * global.c (reg_allocno): Now static. + * reload1.c (reg_allocno): Delete declaration. + (order_regs_for_reload): Take no arguments. Don't treat regs + allocated by global differently than those allocated by local-alloc. + +Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl> + + * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q + condition, fix format strings. + (output_function_epilogue): Likewise. + + * m68k/m68k.c: Don't include <stdlib.h> directly. + +Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au> + + * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set, + mem_first_set, mem_last_set; because 0 can be a CUID. + (oprs_unchanged_p): Use new definition. + (record_last_reg_set_info): Likewise. + (record_last_mem_set_info): Likewise. + (compute_hash_table): Likewise. + +Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com) + + * rs6000.c (output_epilogue): Handle Chill. + + * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define. + * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define. + + * combine.c (make_extraction): If no mode is specified for + an operand of insv, extv, or extzv, default it to word_mode. + (simplify_comparison): Similarly. + * expmed.c (store_bit_field): Similarly. + (extract_bit_field): Similarly. + * function.c (fixup_var_regs_1): Similarly. + * recog.c (validate_replace_rtx_1): Similarly. + * mips.md (extv, extzv, insv expanders): Default modes for most + operands. Handle TARGET_64BIT. + (movdi_uld, movdi_usd): New patterns. + + * pa.c (emit_move_sequence): Do not replace a pseudo with its + equivalent memory location unless we have been provided a scratch + register. Similarly do not call find_replacement unless a + scratch register has been provided. + +Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de> + + * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants, + return FLOAT_REGS. + +Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com> + + * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill. + (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill. + (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill. + (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New. + * c-decl.c (init_decl_processing): Update accordingly. + * expr.c (expand_builtin): Likewise. + + * rtl.h (global_rtl): Add cfa entry. + (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New. + (LAST_VIRTUAL_REGISTER): Update. + * emit-rtl.c (global_rtl): Add cfa entry. + (init_emit): Initialize it. + * function.c (cfa_offset): New. + (instantiate_virtual_regs): Initialize it. + (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx. + (expand_function_end): Call expand_eh_return. + * tm.texi (ARG_POINTER_CFA_OFFSET): New. + + * except.c (current_function_eh_stub_label): Kill. + (current_function_eh_old_stub_label): Likwise; update all references. + (expand_builtin_set_return_addr_reg): Kill. + (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill. + (expand_builtin_set_eh_regs): Kill. + (eh_regs): Produce a third reg for the actual handler address. + (eh_return_context, eh_return_stack_adjust): New. + (eh_return_handler, eh_return_stub_label): New. + (init_eh_for_function): Initialize them. + (expand_builtin_eh_return, expand_eh_return): New. + * except.h: Update prototypes. + * flow.c (find_basic_blocks_1): Update references to the stub label. + * function.h (struct function): Kill stub label elements. + + * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the + register number is one that would be in the previous window. + Provide a dummy definition for non-windowed targets. + (get_reg_addr): New function. + (get_reg, put_reg, copy_reg): Use it. + (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub + generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa. + + * alpha.c (alpha_eh_epilogue_sp_ofs): New. + (alpha_init_expanders): Initialize it. + (alpha_expand_epilogue): Use it. + * alpha.h: Declare it. + * alpha.md (eh_epilogue): New. + + * m68h.h (ARG_POINTER_CFA_OFFSET): New. + * sparc.h (ARG_POINTER_CFA_OFFSET): New. + +Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com> + + * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant + flag bit mask. + +Tue Sep 15 14:10:54 1998 Andrew MacLeod <amacleod@cygnus.com> + + * except.h (struct eh_entry): Add false_label field. + (end_catch_handler): Add prototype. + * except.c (push_eh_entry): Set false_label field to NULL_RTX. + (start_catch_handler): When using old style exceptions, issue + runtime typematch code before continuing with the handler. + (end_catch_handler): New function, generates label after handler + if needed by older style exceptions. + (expand_start_all_catch): No need to check for new style exceptions. + (output_exception_table_entry): Only output the first handler label + for old style exceptions. + * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching + mechanism into one function, if a runtime matcher is provided. + +Tue Sep 15 13:53:59 1998 Andrew MacLeod <amacleod@cygnus.com> + + * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1. + +Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com> + + * integrate.c (copy_decl_list): Fix typo. + +Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com> + + * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length + attribute. + +Mon Sep 14 14:02:53 1998 Jeff Law (law@cygnus.com) + + * version.c: Bump for snapshot. + +Mon Sep 14 10:33:56 1998 Jeff Law (law@cygnus.com) + + * version.c: Bump for snapshot. + +Mon Sep 14 09:51:05 1998 Jeff Law (law@cygnus.com) + + * version.c: Bump for snapshot. + +Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com> + + * invoke.texi (C Dialect Options): Put back missing @end itemize. + +Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br> + + * configure.in: Remove usage of `!' to negate the result of a + command; some common shells do not support it. + +Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com> + + * configure.in: In sparc9-sol2 config, use 'if test' not + brackets. + * configure: Rebuilt. + + * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to + CM_MEDANY. + (CPP_CPU_SPEC): Do not define _LP64, header files do this. + (CPP_CPU_DEFAULT_SPEC): Likewise. + * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right + for arch64 libfuncs. + + * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode + for operand zero. + +Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub. + + * collect2.c: Don't declare `sys_siglist' here. + (my_strsignal): Prototype and define new function. Use it in + place of `sys_siglist' hacks. + + * mips_tfile.c: Likewise. + + * configure.in (AC_CHECK_FUNCS): Check for strsignal. + (GCC_NEED_DECLARATIONS): Likewise. + + * system.h (strsignal): Prototype it, if necessary. + (sys_siglist): Declare it, if necessary. + +Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com> + + * loop.c (move_movables): While removing insn sequences, preserve + the next pointer of the most recently deleted insn when we skip + over a NOTE. + +Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com> + + * objc/config-lang.in: Do not output the name of the selected + thread file when building the front-end. The Makefile for the + runtime library will do this. + + * objc/Make-lang.in: Do not build the runtime library or install + the Objective-C header files. The Makefile for the runtime + library will do this. + + * objc/Makefile.in (all.indirect): Only build the front-end. + (compiler): Rename to `frontend'. + (obj-runtime): Remove target. + (copy-headers): Likewise. + (clean): No need to remove `libobjc.a' any longer. + +Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com> + + * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines + supported with -mcpu=xxx. + +Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com> + + * flow.c (mark_set_1): Recognize multi-register structure return + values in CALL insns. + (mark_used_regs): Likewise. + (count_reg_sets_1): Likewise. + (count_reg_references): Likewise. + * rtlanal.c (note_stores): Likewise. + (reg_overlap_mentioned_p): Likewise. + * haifa-sched.c (check_live_1): Likewise. + (update_live_1): Likewise. + (sched_analyze_1): Likewise. + (sched_note_set): Likewise. + (birthing_insn_p): Likewise. + (attach_deaths): Likewise. + + * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable. + +Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com> + + * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h. + +Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com> + + * glimits.h (__LONG_MAX__): Recognize __sparcv9 too. + +Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz> + + * configure.in: Add check for GAS subsection -1 support. + * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add. + * configure config.in: Rebuilt. + * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use + SImode is subsection -1 works, else use DImode. + (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if + subsection -1 works. + * config/sparc/sparc.c (sparc_output_addr_vec, + sparc_output_addr_diff_vec): Use them if defined. + +Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com> + + * tree.h (DECL_ORIGIN): New macro. + * integrate.c (copy_and_set_decl_abstract_origin): New function. + (copy_decl_list): Use it. + (integrate_parm_decls): Likewise. + (integrate_decl_tree): Likewise. + * dwarf2out.c (decl_ultimate_origin): Simplify. + * dwarfout.c (decl_ultimate_origin): Likewise. + * c-decl.c (duplicate_decls): Use DECL_ORIGIN. + (pushdecl): Likewise. + +Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com> + + * config/rs6000/rs6000.c (output_epilog): Add Java support. + +Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de> + + * invoke.texi (C++ Dialect Options): Document -fhonor-std. + +Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com) + + * reg-stack.c (straighten_stack): Do nothing if the virtual stack is + empty or has a single entry. + + * toplev.c (rest_of_compilation): Open up the dump file for reg-stack + before calling reg_to_stack. + +Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com> + + * alpha.c (alphaev5_insn_pipe): Abort on default case. + (alphaev5_next_group): Swallow CLOBBERs and USEs. + + * c-tree.h (warn_long_long): Declare it. + +Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com> + + * emit-rtl.c (gen_lowpart_common): Disable optimization of + initialized float-int union if the value is a NaN. + +Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org> + + * c-lex.c (real_yylex): Don't warn about long long constants if + we're allowing long long + +Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de> + + * except.h (current_function_eh_stub_label): Declare. + (current_function_eh_old_stub_label): Declare. + * function.h (struct function): New members eh_stub_label and + eh_old_stub_label. + * except.c (current_function_eh_stub_label): New variable. + (current_function_eh_old_stub_label): New variable. + (init_eh_for_function): Clear them. + (save_eh_status): Save them. + (restore_eh_status): Restore them. + (expand_builtin_eh_stub): Set current_function_eh_stub_label. + (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label. + * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't + make an edge from the block that contains it to the block starting + with the label if this label is one of the eh stub labels. + If eh stub labels exist, show they are reachable from the last block + in the function. + + * reload1.c (reload): Break out several subroutines and make some + variables global. + (calculate_needs_all_insns): New function, broken out of reload. + (calculate_needs): Likewise. + (find_reload_regs): Likewise. + (find_group): Likewise. + (find_tworeg_group): Likewise. + (something_needs_reloads): New global variable, formerly in reload. + (something_needs_elimination): Likewise. + (caller_save_spill_class): Likewise. + (caller_save_group_size): Likewise. + (max_needs): Likewise. + (group_size): Likewise. + (max_groups): Likewise. + (max_nongroups): Likewise. + (group_mode): Likewise. + (max_needs_insn): Likewise. + (max_groups_insn): Likewise. + (max_nongroups_insn): Likewise. + (failure): Likewise. + + * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET. + +Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com> + + * loop.c (load_mems): Copy rtx for output mem. + +Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com> + + * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for + mips1 or mips2 either. + +Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com) + + * pa.c (pa_reorg): New marking scheme for jumps inside switch + tables. + (pa_adjust_insn_length): Update to work with new marking scheme + for jumps inside switch tables. + * pa.md (switch_jump): Remove pattern. + (jump): Handle jumps inside jump tables. + + * Makefile.in (profile.o): Depend on insn-config.h + +Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com> + + * iris6.h (DWARF2_UNWIND_INFO): Undef. + +Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com> + + Add preliminary native sparcv9 Solaris support. + * configure.in: Recognize sparv9-*-solaris2* + * configure: Rebuilt. + * config.sub: Recognize sparcv9 just like sparc64. + * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm + config/sparc/sol2-cn.asm: Macroize so it can be shared between + 32-bit and 64-bit Solaris systems. + * config/sparc/t-sol2: Assemble those with cpp. + * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9. + (*TF*_LIBCALL): If ARCH64 use V9 names. + * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files. + +Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz> + + * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation. + (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and + not doing pic. + (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not + Pmode. + * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0 + to Pmode if CASE_VECTOR_MODE is something else. + +Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com) + + * prefix.c (update_path): Correctly handle cases where PATH is + a substring of the builtin prefix, but specifies a different + directory location. + +Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se> + + * expr.c: Corrected comment about what MOVE_RATIO does. + * config/alpha/alpha.h: Likewise. + * config/1750a/1750a.h: Likewise. + * config/clipper/clipper.h: Likewise. + * config/i386/i386.h: Likewise. + +Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com) + + * configure.in (m68k-next-nextstep3*): Use collect2. + Similarly for x86 NeXT configurations. + * configure: Rebuilt. + +Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org> + + * configure.in: Don't assume srcdir is .../gcc. + * configure: Rebuilt. + +Sat Sep 5 16:34:34 1998 John Wehle (john@feith.com) + + * global.c: Update comments. + (global_alloc): Assign allocation-numbers + even for registers allocated by local_alloc in case + they are later spilled and retry_global_alloc is called. + (mark_reg_store, mark_reg_clobber, + mark_reg_conflicts, mark_reg_death): Always record a + conflict with a pseudo register even if it has been + assigned to a hard register. + (dump_conflicts): Don't list pseudo registers already assigned to + a hard register as needing to be allocated, but do list their + conflicts. + * local-alloc.c: Update comment. + +Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com) + + * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH. + * configure: Rebuilt. + +Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com> + + * rs6000.c (rs6000_override_options): Fix name for ec603e, to add + missing 'c'. + * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx + for all targets that set -msoft-float. + +Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * toplev.c (print_switch_values): Make static to match prototype. + +Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com) + + * configure.in: If we are unable to find the "gnatbind" program, + then do not configure the ada subdir. + * configure: Rebuilt. + +Sun Sep 6 14:03:58 1998 Jeff Law (law@cygnus.com) + + * version.c: Bump for snapshot. + +Sun Sep 6 13:28:07 1998 Jeff Law (law@cygnus.com) + + * version.c: Bump for snapshot. + +Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * Makefile.in (toplev.o): Depend on $(EXPR_H). + (insn-extract.o, insn-attrtab.o): Depend on toplev.h. + + * gansidecl.h: Define ATTRIBUTE_NORETURN. + + * genattrtab.c: Have insn-attrtab.c include toplev.h. + + * genextract.c: Have insn-extract.c include toplev.h. + + * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'. + + * toplev.c: Include expr.h. + (really_sorry, fancy_abort): Remove prototypes. + (set_target_switch): Add argument in prototype. + (vfatal): Mark prototype with ATTRIBUTE_NORETURN. + (v_really_sorry): Likewise. + (print_version, print_single_switch, print_switch_values): Make + static and add prototype arguments. + (decl_printable_name): Add prototype arguments. + (lang_expand_expr_t): New typedef. + (lang_expand_expr): Declare as a lang_expand_expr_t. + (incomplete_decl_finalize_hook): Add prototype argument. + (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED. + (botch): Likewise for variable `s'. + (rest_of_type_compilation): Mark variables `type' and `toplev' + with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO, + XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined. + (display_help): Make variable `i' an `unsigned long'. + (main): Remove unused parameter `envp'. + Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'. + Cast -1 when comparing it with a `size_t'. + + * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark + prototype with ATTRIBUTE_NORETURN. + (fatal_insn_not_found, fatal_insn, really_sorry, + push_float_handler, pop_float_handler): Add prototypes. + (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN. + (do_abort, botch): Add prototypes. + +Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu> + + * final.c (final): If a label is reached only from a single jump, + call NOTICE_UPDATE_CC on the jump and its predecessor before + emitting the insn after the label. + + * i386.h: Add AMD K6 support. + Change TARGET_* macros to use table lookup. + (INITIALIZE_TRAMPOLINE): Improve trampoline code. + (ADJUST_COST): Change definition to call function in i386.c. + (ISSUE_RATE): Define as 2 for anything newer than an 80486. + * i386.c: Add AMD K6 support. + Add constants for feature tests used by TARGET_* macros. + (split_di): If before reload, call gen_lowpart and gen_highpart. + (x86_adjust_cost): New function. + (put_jump_code): New function. + (print_operand): New codes 'D' and 'd'. + * i386.md: New insn types. New insn attribute "memory". + Redefine scheduling parameters to use new types and add AMD K6 + support. Explicitly set type of most insns. + (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium + Pro and K6 prefer movl $1,reg to incl reg. + (adddi3, subdi3): Set cc_status. + (DImode shift patterns): Change label counters from HOST_WIDE_INT + to int; x86 can't have more than 2^31 DImode shifts per file. + (setcc): Combine all setcc patterns. Allow writing memory. + Combine all jump patterns using match_operator. + (*bzero): Name pattern. Emit multiple stos instructions when that + is faster than rep stos. + (xordi3, anddi3, iordi3): Simplify DImode logical patterns and + add define_split. + +Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk> + + * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771 + linking. + +Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com> + + * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence, + not whatever we're generating now. + + * alpha.c (set_frame_related_p, FRP): New. + (alpha_expand_prologue): Mark frame related insns. + (alpha_expand_epilogue): Likewise, but with a null FRP. + * alpha.h (INCOMING_RETURN_ADDR_RTX): New. + * alpha.md (exception_receiver): New. + * alpha/crtbegin.asm (.eh_frame): New beginning. + (__do_frame_setup, __do_frame_takedown): New. + * alpha/crtend.asm (.eh_frame): New ending. + * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define. + (ASM_SPEC): Don't emit both dwarf2 and mdebug. + (ASM_FILE_START): Don't emit .file for dwarf2. + + * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR. + * rtl.c (reg_note_name): Likewise. + * rtl.texi (REG_NOTES): Likewise. + * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store + without an offset. + +Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com> + + * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS. + * i386.md (movsf, movdf, movxf): Validate memory address returned + from force_const_mem. Kill useless REG_EQUAL setting code. + +Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se> + + * m68k.md (zero_extendsidi2): Fix typo. + +Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se> + + * configure.in: Removed references to the removed file. + * config/xm-netbsd.h: Use ${cpu_type}/xm-netbsd.h for + arm*-*-netbsd* and ns32k-*-netbsd*. + * config/i386/xm-netbsd.h: Removed unnecessary file. + * config/m68k/xm-netbsd.h: Likewise. + * config/sparc/xm-netbsd.h: Likewise. + * config/mips/xm-netbsd.h: Likewise. + +Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu> + + * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define. + (PCC_BITFIELD_TYPE_MATTERS): Define to be 0. + + * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for + for exact section attributions. + + * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc + runtime. + * i386/crtdll.h (CPP_PREDEFINES): Define. + +Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com) + + * m68k.md (5200 movqi): Do not allow byte sized memory references + using address regs. + * m68k.c (output_move_qimode): Do not use byte sized operations on + address registers. + + * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide + explicit rules for building. Similarly for alloca, vfprintf, + choose-temp and mkstemp, getopt, getopt1, and obstack. + (INCLUDES): Add $(srcdir)/../include. + * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete. + * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise. + +Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com> + + * gcc.c (do_spec_1): [case 'o'] Account for + lang_specific_extra_outfiles. + (main): Correctly clear all slots in outfiles for + lang_specific_extra_outfiles. Set input_file_number before + calling lang_specific_pre_link. + +Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com> + + * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call. + +Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com> + + * config/sparc/sparc.c (output_double_int): In all V9 symbolic + cases, use xword. + (sparc_output_deferred_case_vectors): If no work to do, return. + Fix thinko in Sept 1 change. + +1998-09-03 SL Baur <steve@altair.xemacs.org> + + * Makefile.in: Add semicolon in BISON definition for portability. + +Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl> + + * config/nextstep.c (handle_pragma): Correct name of third + argument. + +Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com> + + * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17). + * config/m32r/m32r.h: Make register 17 be fixed. + * config/m32r/m32r.c: Use SImode for cc operations. + +Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com> + + * invoke.texi (Warning Options): Add -Wnon-template-friend + documentation. + +Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com> + + * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}. + +Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@gnu.org> + + * rs6000.md (movsf): Disable explicit secondary-reload-like + functionality if TARGET_POWERPC64. + (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like + functionality. + +Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com> + + * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h + and term.h from fixinc.wrap. + +Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is + safe to include both string.h and strings.h together. + (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding + which headers to search for function declarations. Continue to + prefer string.h over strings.h when both are not acceptable. + + * acconfig.h (STRING_WITH_STRINGS): Add stub. + + * configure.in: Call GCC_HEADER_STRING. + + * system.h: Test STRING_WITH_STRINGS when deciding which headers + to include. Continue to prefer string.h over strings.h when both + are not acceptable. + +Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com> + + * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do + not assume top 32-bits of symbolic addresses are zero if + flag_pic. + +Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com> + + * ginclude/va-alpha.h: Protect entire second portion of the + file against double inclusion. + +Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com> + + Added support for the Boehm's garbage collector. + * configure.in: Handle --enable-objc-gc. + * configure: Rebuilt. + * Makefile.in (CHECK_TARGETS): Add check-objc. + (check-objc): New rule. + * objc/Make-lang.in: Build a different Objective-C library that + runs with the Boehm's collector. + * objc/encoding.c (objc_round_acc_size_for_types): New function. + * objc/encoding.c: Correctly compute the size of compound types in + the presence of bitfields. Skip the variable name of the type if + any. Added support for long long. + * objc/encoding.h (_C_GCINVISIBLE): New specifier. + (_F_GCINVISIBLE): New mask. + * objc/gc.c: New file. Compute the type memory mask associated with + a class based on the runtime information. + * objc/misc.c: Added the hooks that use the Boehm's collector + allocation functions. + * objc/objc-act.c (build_class_template): Generate a new class + member (gc_object_type) to hold the class' type memory mask. + (build_shared_structure_initializer): Initialize the new member to + NULL. + (encode_complete_bitfield): New function. Generate the new + encoding. + (encode_field_decl): Generate the new encoding only for the GNU + runtime. + * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the + long long types. + (class_get_gc_object_type): New function to mark a pointer instance + variable as a weak pointer. + * objc/objc-features.texi: New file. + * objc/objc.h (gc_object_type): New class member. + * objc/objects.c (class_create_instance): Create a typed memory + object when compiled with Boehm's collector support. + * objc/sendmsg.c (__objc_init_install_dtable): Call + __objc_send_initialize instead of setting the initialize flag. + (__objc_send_initialize): Call __objc_generate_gc_type_description + to generate the class type memory mask. Rewrite the code that + sends the +initialize so that it is called only once (bug report + and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>). + * testsuite/objc: New testsuite for Objective-C type encoding. + * testsuite/lib/objc-torture.exp: New file. + * testsuite/lib/objc.exp: New file. + +Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com> + + * jump.c (jump_optimize): In if/then/else transformations, add + another call to modified_between_p for the jump insn. + +Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com) + + * fix-header.c (symlink): Treat like readlink. + +Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles + as FT_float. + +Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com> + + * config/nextstep.h: Update HANDLE_PRAGMA macro. + * config/h8300/h8300.h: Update HANDLE_PRAGMA macro. + * config/i960/i960.h: Update HANDLE_PRAGMA macro. + + * config/nextstep.c (handle_pragma): Take three arguments, as per + the new HANDLE_PRAGMA macro specification. + * config/h8300/h8300.c (handle_pragma): Take three arguments, as + per the new HANDLE_PRAGMA macro specification. + * config/i960/i960.c (process_pragma): Take three arguments, as + per the new HANDLE_PRAGMA macro specification. + +Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com> + + * c-lex.c (check_newline): Call HANDLE_PRAGMA before + HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages + if unknown pragmas are encountered. + (handle_sysv_pragma): Interpret return code from + handle_pragma_token (). Return success/failure indication rather + than next unprocessed character. + (pragma_getc): New function: retrieves characters from the + input stream. Defined when HANDLE_PRAGMA is enabled. + (pragma_ungetc): New function: replaces characters back into the + input stream. Defined when HANDLE_PRAGMA is enabled. + + * c-pragma.c (handle_pragma_token): Return success/failure status + of the parse. + + * c-pragma.h: Change prototype of handle_pragma_token(). + + * varasm.c (handle_pragma_weak): Only create this function if + HANDLE_PRAGMA_WEAK is defined. + + * c-common,c (decl_attributes): If defined call the expression + contained within the INSERT_ATTRIBUTES macro before adding + attributes to a decl. + + * tm.texi (HANDLE_PRAGMA): Document the new version of + HANDLE_PRAGMA, which takes three arguments. + (INSERT_ATTRIBUTES): Document this new macro. + + * LANGUAGES: Document the new version of HANDLE_PRAGMA and the + new INSERT_ATTRIBUTES macro. + +Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com> + + * config/sparc/sparc.md (movdf): Only generate special RTL for + LABEL_REFs when PIC. + (move_label_di): Remove. + (movdi_pic_label_ref, movdi_high_pic_label_ref, + movdi_lo_sum_pic_label_ref): New patterns for 64-bit label + references when PIC. + * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT, + ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW, + output an .xword for all 64-bit cases. + +Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com> + + * config/sparc/sparc.c (finalize_pic): Don't output arbitrary + alignment, use FUNCTION_BOUNDARY instead. + (sparc_output_deferred_case_vectors): Likewise. + +Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com> + + * config/sparc/sparc.md (movsf_const_intreg): Kill warning. + (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives. + +Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com> + + * alpha/va_list.h: New file. + * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h. + +Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com) + + * NEWS: Add SCO Openserver and Unixware 7 notes. + + * NEWS: Fix typos. + +Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com> + + * varasm.c (compare_constant_1): Handle RANGE_EXPR. + (record_constant_1): Handle RANGE_EXPR. + +Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com> + + * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap. + * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START + and NOTE_INSN_RANGE_END specially. + (reemit_notes): Likewise. + +Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'. + (ultrasparc_sched_init): Remove unneeded &. + +Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> + + * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040 + for m68020-60, to prevent the use of fintrz. + +Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com> + + * configure.in: If the native compiler is GCC use $(WARN_CFLAGS) + even in stage1. + * Makefile.in: Likewise. + * configure: Regenerated. + +Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org) + + * configure.in (gxx_include_dir): Changed to + '${prefix}/include/g++'-${libstdcxx_interface}. + * configure: Rebuilt. + +Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se> + + * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use + consistent. + * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move + *sequences* *below* which scalar moves will be used. + +Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com) + + * collect2.c (mktemp): Delete unused declaration. + + * config/xm-netbsd.h: Remove unnecessary file. + * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h + file anymore, it is not needed. + +Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com> + + * convert.c (convert_to_integer): Issue an error on conversions to + incomplete types. + +Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de> + + * Makefile.in: Add lang_tree_files and gencheck.h. + * configure.in: Generate them. + * gencheck.c: Include gencheck.h. + +Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com> + + * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to + movdi_lo_sum_pic and movdi_high_pic and make visible. + * config/sparc/sparc.c (legitimize_pic_address): For -fPIC, + emit these when Pmode is not SImode. + * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW. + +Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu> + + * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit + .linkonce directive after the first time. + +Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com) + + * m68k.md (beq0_di): Generate correct (and more efficient) code when + the clobbered operand overlaps with an input. + (bne0_di): Similarly. + + * Makefile.in (INSTALL): Remove "--no-header" argument. + + * NEWS: Various updates. + +Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com> + + * config/sparc/sparc.c (arith_operand, const64_operand, + const64_high_operand, arith_double_4096_operand): Mark mode as + unused. + (create_simple_focus_bits): Remove unused arg highest_bit_set, all + callers changed. + (sparc_emit_set_const64): Remove unused variable i. + (sparc_splitdi_legitimate): Likewise for addr_part. + (ultra_code_from_mask): Likewise for mask. + (ultra_cmove_results_ready_p): Fixup entry modulo calc. and + reverse return values so it matches usage and comments. + (ultra_flush_pipeline): Likewise. + (ultra_fpmode_conflict_exists): Likewise, remove unused variable + this_type, and allow loads and stores of differing FP modes as + they do not create a conflict. + (ultra_find_type): Initialize fpmode to SFmode, fix + parenthesization thinkos in large conditional. + (ultrasparc_sched_init): Mark dump and sched_verbose as unused. + Init free_slot_mask after ultra_cur_hist is reset, not before. + (ultrasparc_rescan_pipeline_state): Remove unused variable ucode. + (ultrasparc_sched_reorder): Don't bzero current pipeline state, + use ultra_flush_pipeline instead, then re-init group pointer. + Fix statement with no effect. If no progress made in, and no + instructions scheduled at all, advance to new pipeline cycle else + we get into an endless loop. + (ultrasparc_adjust_cost): Remove previous arg. + * config/sparc/sparc.h (ADJUST_COST): Update to reflect that. + +Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com> + + * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference + code. Use reg_overlap_mentioned_p to detect when source and + destination overlap. + (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands. + +1998-08-28 Brendan Kehoe <brendan@cygnus.com> + + * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not + COMPARISON_VAL, into invariant_p. + +Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * regmove.c (regclass_compatible_p): New function. + (regmove_optimize): Use it. + + Use NREGS parameter instead of calling max_reg_num. + + (fixup_match_1): Don't use code = MINUS when later tieing with + a hard register is likely. + +Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when + COMPARISON_VAL was normalized. + +Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com) + + * loop.c (check_dbra_loop): The loop ending comparison value + must be an invariant or we can not reverse the loop. + + * loop.c (scan_loop): Count down from max_reg_num - 1 to + FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration + of the loop. + (load_mems_and_recount_loop_regs_set): Likewise. + + * i386.c (print_operand): Remove obsolete 'c' docs. + +Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com> + + * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION. + * frame.c (init_object_mutex): New function. + (init_object_mutex_once): Likewise. + (find_fde): Call it. + (__register_frame_info): Likewise. + (__register_frame_info_table): Likewise. + (__deregister_frame_info): Likewise. + +Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com) + + * haifa-sched.c (sched_analyze_insn): Fix thinko in last change. + +Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * loop.c (check_dbra_loop): Enable code for reversal + of some loops without a known constant loop end. + +Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com> + + * haifa-sched.c (last_clock_var): New. + (schedule_block): Initialize it. + (schedule_insn): Use it to fill insn modes with issue information. + + * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit. + Tag trapb and next insn with TImode. + (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New. + (alpha_reorg): Add conditional for alpha_handle_trap_shadows. + Invoke alphaev5_align_insns as appropriate. + * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER. + (MD_SCHED_VARIABLE_ISSUE): New. + * alpha.md (attr type): Add multi. + (define_asm_attributes): New. + (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi. + (arg_home): Likewise. + (fnop, unop, realign): New. + +Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com> + + * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef. + * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define. + + * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*. + (rs6000-ibm-aix4.[12]*): Likewise. + * configure: Regenerate. + +Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com> + + * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it + already contains the return address. + +Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com) + + * calls.c (expand_call): Use bitfield instructions to extract/deposit + word sized hunks when loading unaligned args into registers. + + * haifa-sched.c (sched_analyze_insn): Only create scheduling + barriers for LOOP, EH and SETJMP notes on the loop_notes list. + + * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too. + +Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * loop.c (check_dbra_loop): Add some code that would allow reversal + of some loops without a known constant loop end if it were enabled. + +Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com> + + * mips.md (lshrsi3_internal2+2): Fix type-o. + +Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * system.h: Include stdarg.h/varargs.h, make sure they are ordered + correctly with regards to stdio.h. + + * calls.c: Remove stdarg.h/varargs.h. + * cccp.c: Likewise. + * cexp.y: Likewise. + * combine.c: Likewise. + * cpperror.c: Likewise. + * cpplib.c: Likewise. + * cpplib.h: Likewise. + * doprint.c: Likewise. + * emit-rtl.c: Likewise. + * final.c: Likewise. + * fix-header.c: Likewise. + * gcc.c: Likewise. + * genattr.c: Likewise. + * genattrtab.c: Likewise. + * gencodes.c: Likewise. + * genconfig.c: Likewise. + * genemit.c: Likewise. + * genextract.c: Likewise. + * genflags.c: Likewise. + * genopinit.c: Likewise. + * genoutput.c: Likewise. + * genpeep.c: Likewise. + * genrecog.c: Likewise. + * mips-tfile.c: Likewise. + * prefix.c: Likewise. + * protoize.c: Likewise. + * regmove.c: Likewise. + * toplev.c: Likewise. + * tree.c: Likewise. + +Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz> + + * config/sparc/sparc.c (sparc_override_options): If not + TARGET_FPU, turn off TARGET_VIS. + * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis. + (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS. + * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero. + (movdi_insn_sp64): Add VIS fzero alternative. + (clear_sf, clear_df): New VIS patterns. + (movsf, movdf expanders): Allow fp_zero_operand flat out when + TARGET_VIS. + (one_cmpldi2_sp64): Provide new fnot1 VIS alternative. + +Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com> + + * loop.c (n_times_set, n_times_used, may_not_optimize, + reg_single_usage): Convert to varrays. All uses changed. + (insert_loop_mem): Return a value. + (scan_loop): Tweak AVOID_CC_MODE_COPIES code. + (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if + necessary. + +Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com) + + * From Alexandre: + * configure.in: Do not set thread_file to "irix" since no such + support exists yet. + + * sparc.md (float abs/neg splits): Check reload_completed before + calling alter_subreg. + +Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com> + + * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New + function. + * config/sparc/sparc.h: Declare it. + * config/sparc/sparc.md (float abs/neg splits): Use it. + (all other splits): Handle SUBREGs properly where necessary. + (unnamed (1<<x)-1 V8PLUS pattern): Disable for now. + +Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com) + + * reorg.c (fill_simple_delay_slots): Do not abort if we encounter + an insn on the unfilled_slots_list that has no delay slots. + (fill_eager_delay_slots): Similarly. + +Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com> + + * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX + as an ordinary operand. + +Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com> + + * tree.c (valid_machine_attribute): Don't apply attributes to both + decl and type. + +Tue Aug 25 12:23:20 1998 Richard Henderson <rth@cygnus.com> + + * reload.c (operands_match_p): Handle rtvecs. + + * i386.c (legitimate_pic_address_disp_p): New. + (legitimate_address_p): Use it. + (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF. + Handle constant pool symbols just like statics. + (emit_pic_move): Use Pmode not SImode for clarity. + (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks. + [UNSPEC]: New, handling what we killed above. + [PLUS]: Detect and abort on invalid symbol arithmetic. + * i386.h (CONSTANT_ADDRESS_P): Remove HIGH. + +Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com> + + * alias.c: Include output.h. + (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as + different if we're in a varargs function. + * Makefile.in (alias.o): Depend on output.h + +Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * sh.h (GIV_SORT_CRITERION): Delete. + +Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com> + + * regclass.c (regclass): Use xmalloc/free instead of alloca. + * stupid.c (stupid_life_analysis): Likewise. + * reload1.c (reload): Likewise. + +Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz> + + * config/sparc/sparc.c (arith_4096_operand, arith_add_operand, + arith_double_4096_operand, arith_double_add_operand): New + predicates. + * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them. + * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use + them to transform add/sub 4096 into add/sub -4096. + +Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com> + + * loop.c (scan_loop): Allocate some slop to handle pseudos + generated by move_movables. + (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES + here too. + +Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com> + + * tree.def (DECL_RESULT): Correct documentation. + +Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed + all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR: + conflicts will all RELOAD_FOR_OUTPUT reloads. + + * reload1.c (reload_cse_regs_1): When deleting a no-op move that + loads the function result, substitute with a USE. + +Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@gnu.org> + + * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64 + when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode. + (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup. + * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4. + (print_operand, cases 'O' and 'T'): Fix typos in lossage strings. + * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT + operand. + (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change + 'o' to 'm' for GPR variant constraints. + +Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com) + + * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES. + + * h8300.h (STRIP_NAME_ENCODING): Fix typo. + + * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect + when the source and destination overlap. + + * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid + clash with global type. + +Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com> + + * fixinc.irix: Add curses.h handling from fixinc.wrap. + + * c-common.c (combine_strings): Also set TREE_READONLY. + Change warn_write_strings to flag_const_strings. + * c-decl.c, c-tree.h: Likewise. + +Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com> + + * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a + CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM + sequence, use SET/IOR instead so CSE can see it. + * config/sparc/sparc.md (movhi_const64_special, + movsi_const64_special): New patterns necessitated by that change. + (movhi_high): Remove. + (movhi_lo_sum): Change to match an IOR. + (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64. + (movdf_insn_v9only): New pattern for when V9 but not ARCH64. + (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64. + (movdf splits): Allow when not V9 or when not ARCH64 and integer + registers are involved. + (snesi_zero_extend split): Remove reload_completed test. + (unnamed plus and minus zero_extend sidi splits): Add it. + +Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com> + + * extend.texi: Remove description of extension to explicit + instantiation that is now endorsed by standard C++. + +Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com> + + * config/arc/arc.c (arc_initialize_pic): Remove. + * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does + nothing on any platform and is invoked by no-one, it does not even + appear in the documentation. + * config/sparc/sparc.h (INITIALIZE_PIC): Likewise. + * config/sparc/sparc.c (initialize_pic): Likewise. + (find_addr_reg): Remove this as well, no longer referenced after + my rewrite. + +Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com) + + * recog.c (validate_replace_rtx_group): New function. + * recog.h (validate_replace_rtx_group): Declare it. + * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo + the entire group of substitutions. + +Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de) + + * loop.c (load_mems): Fix initializers. + +Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com> + + * config/sparc/sparc.md (TFmode splits): Handle destination + registers being referenced in the address correctly. + + * expmed.c (make_tree) [CONST_INT]: Sign extend even if + TREE_UNSIGNED, when bitsize of type's mode is larger than + HOST_BITS_PER_WIDE_INT. + +Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com> + + * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes. + * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY, + EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New + macros. + * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and + EXIT_BLOCK_EXPR. + +Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com) + + * h8300.c (h8300_encode_label): Use '&' for tiny data items. + * h8300.h (TINY_DATA_NAME_P): Likewise. + (STRIP_NAME_ENCODING): Handle '&'. + + * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the + register (it could be accessed via an outer SUBREG). + (REG_OK_FOR_BASE_P): Likewise. + (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P. + + * remove.c (optimize_reg_copy_3): Abort instead of silently generating + bogus rtl. + + * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative. + +Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com> + + * config/sparc/sparc.md (movtf_insn_sp32): All memory operands + must be offsettable so the splits can be made. + +Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com> + + * config/i386/winnt.c: Include system.h, not stdio.h to get + sys/param.h pulled in before rtl.h in case the system defines MIN + and MAX. + +Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@gnu.org> + + * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX. + +Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com> + + * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for + arrays of bits. + * cpplib.c (cpp_define): Handle macros with parameters. + +Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@gnu.org> + + * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit. + (output_toc): Use single TOC slot or llong minimal-toc for DFmode + and DImode 64-bit. Use llong for minimal-toc SFmode and + SYMBOL_REF / LABEL_REF 64-bit. + (output_function_profiler): Use llong for profiler label and ld to + load 64-bit label address. + +Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com) + + * config/arm/thumb.md (extendqisi2_insn): Cope with REG + + OFFSET addressing. + +Wed Aug 19 14:13:31 1998 Jeff Law (law@cygnus.com) + + * version.c: Bump for snapshot. + +Wed Aug 19 13:10:30 1998 Jeff Law (law@cygnus.com) + + * version.c: Bump for snapshot. + +Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com> + + * collect2.c (extract_init_priority): Use atoi instead of strtoul. + +Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se> + + * tm.texi (Misc): Fix typo "teh". + + * tm.texi (PIC): Fix typo "PPIC". + + * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no + effect when -O2 and higher. + * invoke.texi (Optimize Options): Likewise for -fcaller-saves. + +1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz> + + * regclass.c: Changed register set documentation to be consistent + with GCC behavior. + + * final.c (final_start_function): Removed redundant test for + call_fixed_regs. + +Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com> + + * rtl.h (rtx_function): New type. + (for_each_rtx): New function. + * rtlanal.c (for_each_rtx): Define it. + + * recog.c (change_t): New type. + (change_objects, change_old_codes, change_locs, change_olds): + Replace with ... + (changes): New variable. + (validate_change): Dynamically allocate room for more changes, if + necessary. Uses changes array instead of change_objects, etc. + (apply_change_group): Use changes array instead of + change_objects, etc. + + * loop.c (loop_mem_info): New type. + (loop_mems): New variable. + (loop_mems_idx): Likewise. + (looop_mems_allocated): Likewise. + (scan_loop): Remove nregs parameter. + (next_insn_in_loop): New function. + (load_mems_and_recount_loop_regs_set): Likewise. + (load_mems): Likewise. + (insert_loop_mem): Likewise. + (replace_loop_mem): Likewise. + (replace_label): Likewise. + (INSN_IN_RANGE_P): New macro. + (loop_optimize): Don't pass max_reg_num() to scan_loop. + (scan_loop): Remove nregs parameter, compute it after any new + registers are created by load_mems. Use INSN_IN_RANGE_P and + next_insn_in_loop rather than expanding them inline. Call + load_mems to load memory into pseudos, if appropriate. + (prescan_loop): Figure out whether or not there are jumps from the + loop to targets other than the label immediately following the + loop. Call insert_loop_mem to notice all the MEMs used in the + loop, if it could be safe to pull MEMs into REGs for the duration + of the loop. + (strength_reduce): Use next_insn_in_loop. Tweak comments. + +Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com) + + * arm.c (arm_override_options): Remove lie about ignoring PIC flag. + +Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com> + + * config/sparc/sparc.c (finalize_pic): Check for the correct + nonlocal_goto_receiver UNSPEC number. + * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment + making note of this dependency existing in sparc.c. + (negtf2_notv9 split): Give NEG SFmode. + (negsf2): Fix insn output string. + +Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com> + + * c-common.c (decl_attributes): Issue an error if the argument + to alias is not a string. + +Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com) + + * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last + pending memory flush list. + + * combine.c (can_combine_p): Allow combining insns with REG_RETVAL + notes. + (try_combine): Allow combining insns with REG_LIBCALL notes. + + * expr.c (emit_block_move): Do not call memcpy as a libcall + instead build up a CALL_EXPR and call it like any other + function. + (clear_storage): Similarly for memset. + + * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p + on notes. + + * Makefile.in (cplus-dem.o): Provide explicit rules for building + cplus-dem.o. + + * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED + and REG_LIVE_LENGTH as successful substitutions are made. + +Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * config/sparc/sparc.c (ultra_find_type): Add empty semicolon + statement after end of loop label. + +Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com> + + * config/sparc/sparc.c (ultra_types_avail): New variable. + (ultra_build_types_avail): New function to record mask of insn + types in ready list at this cycle. + (ultrasparc_sched_reorder): Call it. + (ultra_find_type): Use it to quicken the search. Also simplif + dependency check, don't use rtx_equal_p because we know exactly + what we are looking for. + +Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com) + + * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling + for architecture v4. + +Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com> + + * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call + gen_compare_reg. + (movsf_const_intreg, movsf_const_high, movsf_const_lo, + movdf_const_intreg and helper splits): New patterns to move float + constants into integer registers. + (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and + splits. + +Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com) + + * From Graham + * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype + to itype. + * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem. + + * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that + a BASE_REGS register is needed as an intermediate when copying + a symbolic value into any register class other than BASE_REGS. + + * expr.c (move_by_pieces): No longer static. Remove prototype. + * rtl.h (move_by_pieces): Add extern prototype. + * mips.c (expand_block_move): Handle aligned straight line copy by + calling move_by_pieces. + + * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs + and VAR_DECLs. + +Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com> + + * stmt.c (expand_end_loop): Tidy. Allow unconditional + jumps out of the loop to be treated as part of the exit test. + +Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + Jeff Law <law@cygnus.com> + + * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty. + * cplus-dem.c: Delete. + + * Makefile.in (fold-const.o): Depend on $(RTL_H). + + * fold-const.c: Include rtl.h to get the prototype for + `set_identifier_local_value'. + + * loop.c (express_from_1): Remove unused variable `tmp'. + (combine_givs): Cast the first argument of bzero to char *. + + * toplev.c (display_help): Remove unused variable `looking_for_start'. + + * c-decl.c (init_decl_processing): Remove unneeded &. + + * alpha.h (alpha_initialize_trampoline): Provide prototype. + + * except.c (set_exception_lang_code, set_exception_version_code): + Change parameter from `short' to `int' to avoid using a gcc + extension. + + * except.h (set_exception_lang_code, set_exception_version_code): + Likewise for prototypes. + + * flow.c (count_reg_references): Remove unused variables `regno' + and `i'. + + * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'. + + * prefix.c (translate_name): Cast the result of `alloca'. + + * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement. + +Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> + + * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>. + Include "toplev.h". + (valid_dbcc_comparison_p): Mark mode argument as unused. + (symbolic_operand): Likewise. + (legitimize_pic_address): Likewise. + (const_uint32_operand): Likewise. + (const_sint32_operand): Likewise. + * sched.c [!INSN_SCHEDULING]: Define only dummy function + schedule_insns and comment out rest of file. + + * m68k.c (output_move_simode_const): Use subl to move a zero into an + address register. + (output_move_[hq]imode): Likewise. + +Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com) + + * toplev.c (main): Enable -fstrict-aliasing for -O2 and above. + * invoke.texi: Corresponding changes. + +Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com> + + * regclass.c (allocate_reg_info): Respect MIN when clearing data. + +Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com> + + * config/sparc/sparc.c (ultra_code_from_mask, + ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists, + ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline, + ultrasparc_sched_init, ultrasparc_variable_issue, + ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New + functions to describe UltraSPARC pipeline exactly to Haifa. + (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost, + as there is nothing the scheduler can do about it. Indicate that + REG_DEP_OUTPUT's collide. Fixup formatting. + * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and + divide costs on Ultra for DImode. + (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE): + Define. + * config/sparc/sparc.md (ieu_unnamed function unit): Rename to + ieuN and add call_no_delay_slot to type list. + (cti function unit): New unit for branches on UltraSPARC. + (subx/addx insns): Set type to misc. + (sidi zero/sign extension insns on arch64): Set type to shift. + (sign_extendhidi2_insn): Set type to sload. + +Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@gnu.org> + + * rs6000.c (rs6000_stack_info): Use if == 0 for sizes. + (output_epilog): Use if != 0 for offset. + (rs6000_fatal_bad_address): Prepare for Intl. + * rs6000.h (rs6000_fatal_bad_address): Declare. + * rs6000.md (movsfcc, movdfcc): Use else if. + (elf_high): Use {liu|lis}. + (elf_low): Use {cal|la}. Remove %a template from old mnemonics. + (movsi): Use rs6000_fatal_bad_address. + +Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com> + + * reload.c (find_equiv_reg): Reject equivalences separated + by a volatile instruction. + +Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com> + + * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define. + +Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com> + + * alpha.md (movsicc): Fix mode mismatch. + +Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org) + + * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated + return type. + * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise. + +Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com> + + * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove + write-only modifier from operand 1 constraint. + +Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com> + + * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If + emitting a XOR of -1 at the end, emit a NOT instead for combine's + sake. + (sparc_emit_set_const64): Likewise, also when computing trailing + bits do not negate low_bits and make fast_int an int. + +Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com) + + * loop.c (add_label_notes): Do not ignore references to labels + before dispatch tables. Mirrors Apr 8 change to mark_jump_label. + * gcse.c (add_label_notes): Similarly. + + * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding. + + * m68k.md (adddi_dilshr32): One of the operands must be a register. + (adddi_dishl32): Similarly. + +Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com> + + * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings. + * alias.c (memrefs_conflict_p): Add braces to shut up warnings. + * cse.c (cse_basic_block): Add parens to shut up warnings. + +Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com> + + * config/sparc/sparc.c (sparc_emit_set_const64_quick2, + sparc_emit_set_const64_longway, const64_is_2insns, + create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs + in 64-bit constant formation. + * config/sparc/sparc.md (snesi_zero_extend split): Generate + rtl for addx not subx. + (define_insn movdi_const64_special): Make available even when + HOST_BITS_PER_WIDE_INT is not 64. + (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove. + (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand. + (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both + instances of operand 1 inside a QI subreg. + (xordi3_sp64_dbl): Remove '%' constraint for op1. + (one_cmpldi2_sp64): Fix output string. + (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra + alternative case. + (unnamed arch64 ashift DI): Truncate shift count if greater than + 63, not 31. + +Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * expr.c (store_expr): Don't optimize away load-store pair + when either source or destination have a side effect. + +Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu> + + * genrecog.c (add_to_sequence): Fatal error if the modes of the + operands of SET are incompatible. + + * alpha.md: Fix max and min patterns so modes of SET operands match. + +Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com> + + * configure.in: Avoid [[ by using test and changequote. + * configure: Rebuild. + +Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com> + + * rtl.def (CONSTANT_P_RTX): Fix typo in string name. + + * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc, + seqsi_special_extend, snesi_special_extend, snesi_zero_extend and + split, snedi_zero_trunc and split, seqsi_zero_extend and split, + seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di, + movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and + split, addx_extend_sp64, subx_extend_sp64, subx_extend and split): + Fix mismatching modes in SET operands. + (conditional move patterns): Fix formatting. + (unnamed subx arch64 pattern): Remove duplicate insn. + +Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com> + + * config/sparc/sparc.c (const64_operand, const64_high_operand): + Get it right when HOST_BITS_PER_WIDE_INT is not 64. + (input_operand): Fixup test for what we accept for constant + integers. + (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give + set VOIDmode. + (safe_constDI): Remove. + (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64, + gen_safe_XOR64): New functions. + (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2, + sparc_emit_set_const64_longway, sparc_emit_set_const64): Use + them. + * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make + available when HOST_BITS_PER_WIDE_INT is not 64. + (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and + move before movdi_insn_sp64 pattern. + (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove. + (define_insn sethi_di_medlow, seth44, setm44, sethh): Use + symbolic_operand as predicate for second operand. + (DImode minus split on arch32, negsi2 expander, one_cmplsi2 + expander): Give set VOIDmode. + +Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu> + + * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define. + +Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au> + + * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker. + +Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com) + + * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating + point. + (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly. + +Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com> + + * install.texi: Various SCO OpenServer tweaks. + +Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com> + + * reload1.c (eliminate_regs_in_insn): Handle another case when + eliminating the frame pointer to the hard frame pointer. Add + missing ep->to_rtx check to one existing case. + + * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI. + +Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com> + + * tree.h: De-conditionalize init_priority code. + + * mips.h (NM_FLAGS): Change from -Bp to -Bn. + * collect2.c (NM_FLAGS): Change from -p to -n. + + * configure.in: Turn on collect2 for mipstx39-elf. + Handle use_collect2=no properly. + + * c-common.c: De-conditionalize init_priority code. + * collect2.c (extract_init_priority, sort_ids): New fns. + (main): Call sort_ids. + Move sequence_number to file scope. + + * configure.in: Handle --enable-init-priority. + * c-common.c (attrs): Add A_INIT_PRIORITY. + (init_attributes, decl_attributes): Likewise. + * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros. + * tree.c (get_file_function_name_long): Split out... + (get_file_function_name): ...from here. + +Thu Aug 13 16:09:53 1998 Martin von Löwis <loewis@informatik.hu-berlin.de> + + * expr.c (safe_from_p): Change code to ERROR_MARK only when not + accessing nodes. + +Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com> + + * toplev.c (display_help): Add braces to shut up warnings. + * tree.c (simple_cst_equal): Likewise. + + * fold-const.c (non_lvalue): Don't deal with null pointer + constants here. + (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR. + + * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0 + of any size to a pointer. + +Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com> + + * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED. + +Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com) + + * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers + which will be saved. + * mn10300.md (prologue insn): Only save registers which need saving. + (epilogue insn): Similarly. + + * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register" + optimizations. + +Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com> + + * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for + VAR_DECL's in gp addressable sections. + +Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu> + + * sparc.c: Change return <exp> to <exp>; return; in functions + returning void. + * sparc.md: Add empty semicolon statement after final label in + move expanders. + +Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com> + + * config/sparc/sparc.md (define_insn addx_extend): Rename to + addx_extend_sp64, only allow when TARGET_ARCH64. + (define_insn addx_extend_sp32 and split): Version that works when + not TARGET_ARCH64. + (define_insn subx_extend): Likewise. + (define_split adddi3 and subdi3 with zero extension): Fixup and + correct bugs when not TARGET_ARCH64. + +Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu> + + * except.c (set_exception_lang_code, set_exception_version_code): + Use prototype-style definition if __STDC__, to match declaration + in except.h. + + * genemit.c: Change FAIL and DONE macros not to use loops. + +Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com> + + * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use + ASM_OUTPUT_DWARF2_ADDR_CONST if defined. + + * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16. + +Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk> + + * README.g77: Update from Craig. + +Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com> + + * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of + type HOST_WIDE_INT. + (safe_constDI sparc_emit_set_const64_quick1, + sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway, + analyze_64bit_constant, const64_is_2insns, + create_simple_focus_bits): Fix some bugs when compiled on real + 64-bit hosts. + (function_arg_record_value_3, function_arg_record_value_2, + function_arg_record_value): Add fully prototyped forward decls. + * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back + to cmpsi_insn and use on both 64 and 32 bit targets. + (define_insn cmpsi_insn_sp64): Remove. + (define_expand zero_extendsidi2): Allow for 32-bit target too. + (define_insn zero_extendsidi2_insn): Rename to + zero_extendsidi2_insn_sp64. + (define_insn zero_extendsidi2_insn_sp32): New pattern and + associated forced split for it. + + * config/sparc/sparc.c (const64_operand, const64_high_operand): + New predicates. + * config/sparc/sparc.h: Declare them. + (PREDICATE_CODES): Add them. + * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl, + movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them. + +Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu> + + * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt + in v9 case as the latter makes the Solaris assembler crash. + +Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com> + + * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM + for TFmode when !v9. We require offsettable memory addresses. + * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to + DFmode register number conversions. + * config/sparc/sparc.md (define_split DFmode moves): If register + is a SUBREG do alter_subreg on it before using. + (define_expand movtf): Fixup comment about alignment on v9. + (define_split TFmode moves): Don't use gen_{high,low}part, create + explicit SUBREGs instead. + +Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu> + + * Makefile.in (mbchar.o): Depend on mbchar.c. + +Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com> + Richard Henderson <rth@cygnus.com> + + Rewrite SPARC backend for better code generation and + improved sparc64 support. + * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to + zero. + * config/sparc/sysv4.h: Likewise. + * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand, + move_operand, v8plus_regcmp_op, emit_move_sequence, + singlemove_string, doublemove_string, mem_aligned_8, + output_move_double, output_move_quad, output_fp_move_double, + move_quad_direction, output_fp_move_quad, output_scc_insn): + Remove. + (small_int_or_double): New predicate. + (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission. + (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of + old pic_{sethi,lo_sum}_si patterns. + (mem_min_alignment): New generic function to replace + mem_aligned_8, which uses REGNO_POINTER_ALIGN information when + available and can test for arbitrary alignments. All callers + changed. + (save_regs, restore_regs, build_big_number, + output_function_prologue, output_cbranch, output_return, + sparc_flat_save_restore, sparc_flat_output_function_prologue, + sparc_flat_output_function_epilogue): Prettify + insn output. + (output_function_epilogue): Likewise and add code to output + deferred case vectors. + (output_v9branch): Likewise, add new arg INSN and use it to tack + on branch prediction settings. All callers changed. + (print_operand): Likewise and output %l44 for LO_SUMs when + TARGET_CM_MEDMID. + (sparc_splitdi_legitimate): New function to make sure DImode + splits can be run properly when !arch64. + (sparc_initialize_trampoline, sparc64_initialize_trampoline): + Reformat example code in comments. + (set_extends): Remove UNSPEC/v8plus_clear_high case. + (sparc_addr_diff_list, sparc_addr_list): New statics to keep track + of deferred case vectors we need to output. + (sparc_defer_case_vector): Record a case vector. + (sparc_output_addr_vec, sparc_output_addr_diff_vec, + sparc_output_deferred_case_vectors): New functions to output them. + (sparc_emit_set_const32): New function to form 32-bit constants in + registers when that requires more than one instruction. + (safe_constDI, sparc_emit_set_const64_quick1, + sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway, + analyze_64bit_constant, const64_is_2insns, + create_simple_focus_bits, sparc_emit_set_const64): New functions + which do the same for 64-bit constants when arch64. + (sparc_emit_set_symbolic_const64): New function to emit address + loading for all code models on v9. + * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make + %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0. + (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1. + (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix + inaccuracies in comments, add symbolic and text_segment operands + when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use + GENERAL_REGS in these cases as a temp REG is needed to load these + addresses into a register properly. + (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it + is no longer used. + (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp + quads are guaranteed to have 16-byte alignment. + (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use + copy_to_suggested_reg instead of explicit LO_SUM and HIGH. + (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for + deferred case vector implementation. + (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline. + (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls. + Generate "internal label - label" instead of "label - 1b". + (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID. + (PREDICATE_CODES): Remove sparc_operand, move_operand, + v8plus_regcmp_op. Add small_int_or_double, input_operand, and + zero_operand. + (doublemove_string, output_block_move, output_fp_move_double, + output_fp_move_quad, output_move_double, output_move_quad, + output_scc_insn, singlemove_string, mem_aligned_8, move_operand, + sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs. + (sparc_emit_set_const32, sparc_emit_set_const64, + sparc_emit_set_symbolic_const64, input_operand, zero_operand, + mem_min_alignment, small_int_or_double): Add externs. + * config/sparc/sparc.md: Document the many uses of UNSPEC and + UNSPEC_VOLATILE in this backend. + (define_function_unit ieu): Rename to ieu_unnamed. Add move and + unary to types which execute in it. + (define_function_unit ieu_shift): Rename to ieu0. + (define_function_unit ieu1): New, executes compare, call, and + uncond_branch type insns. + (define_function_units for type fdivs, fdivd, fsqrt): These + execute in the fpu multiply unit not the adder on UltraSPARC. + (define_expand cmpdi): Disallow TARGET_V8PLUS. + (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32. + (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it + allows the arith_double_operand predicate and rHI constraint when + TARGET_ARCH64. + (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe, + cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn, + neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn, + sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu, + sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64, + movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64, + movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64, + movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64, + movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn, + cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn, + sign_extendqihi2_insn, sign_extendqisi2_insn, + sign_extendqidi2_insn, sign_extendhidi2_insn, + extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2, + trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2, + floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2, + fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2, + adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64, + subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3, + muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus, + const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3, + smulsi3_highpart_v8plus, unnamed subreg mult, + const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32, + const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32, + const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus, + const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32, + const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3, + udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64, + andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3, + or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64, + xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op, + cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not, + cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not, + cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set, + cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg, + cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not, + cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3, + addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3, + muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2, + negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2, + ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1, + cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt, + ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt, + lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32, + call_symbolic_sp32, call_address_sp64, call_symbolic_sp64, + call_address_struct_value_sp32, call_symbolic_struct_value_sp32, + call_address_untyped_struct_value_sp32, + call_symbolic_untyped_struct_value_sp32, call_value_address_sp32, + call_value_symbolic_sp32, call_value_address_sp64, + call_value_symbolic_sp64, branch_sp32, branch_sp64, + flush_register_windows, goto_handler_and_restore, + goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64, + flush, all ldd/std peepholes, return_qi, return_hi, return_si, + return_addsi, return_di, return_adddi, return_sf, all call+jump + peepholes, trap, unnamed trap insns): Prettify output strings. + (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32, + or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2): + Likewise and force + implement splits for integer cases. + (define_insn return_sf_no_fpu): Likewise and allow to match when + no-fpu because of our subreg SFmode splits. + (define_insn zero_extendqihi2, zero_extendqisi2_insn, + zero_extendqidi2_insn, zero_extendhidi2_insn, + zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use + input_operand for second operand. + (cmp_minus_cc, cmp_minus_cc_set): Likewise and use + reg_or_0_operand for operand 2 so new splits can use it. + (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus, + cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0 + too. + (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow + CONST_DOUBLEs for operand 2. + (define_insn move_label_di): Likewise and label distance + optimization because it no longer works with new deferred case + vector scheme. To be revisited. + (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise + and allow reg_or_0_operand and J constraint for second operand. + (define_insn jump): Set branch predict taken on V9. + (define_insn tablejump): Emit LABEL_REF + PLUS memory address for + new deferred case vector scheme. + (define_insn pic_tablejump_32, pic_tablejump_64): Remove. + (define_insn negdi2_sp32): Force + implement splits. + (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and + one_cmplsi2_not_liveg0 respectively, and create expander of original + names which emit special rtl for TARGET_LIVE_G0. + (define_insn cmpdi_v8plus, scc_si, scc_di): Remove. + (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do + gen_compare_reg, FAIL instead. + (define_insn sgtu, sleu): Likewise and check gen_s*() return + values when trying to reverse condition codes, if they FAIL then + do likewise. + (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend, + snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero, + neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero, + seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0, + x_minus_i_eq_0): Add new splits to perform these multi-insn cases, + set output string to # to indicate they are mandatory splits. + (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di, + pic_sethi_di, move_pic_label_si): Remove. + (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic, + movsi_high_pic, movsi_pic_label_reg): New patterns to take their + place. + (define_expand movsi_pic_label_ref, define_insn + movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New + expander and insns to handle PIC label references and deferred + case vectors. + (define_insn get_pc_via_rdpc): Comment out as it is no longer + used. + (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf): + Rewrite to not use emit_move_sequence, make use of new constant + formation code, and new splits for all multi-insn cases. + (define_insn movqi_insn): Remove sethi case, it can never happen. + Use reg_or_zero_operand instead of const0_rtx explicit test, + use input_operand instead of move_operand for source, and use + general_operand now for dest. + (define_insn movhi_insn): Similar but leave sethi case. + (define_insn lo_sum_qi, store_qi, store_hi): Remove. + (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and + movhi_lo_sum respectively, prettify output string. + (define_insn movsi_zero_liveg0): New pattern to put zero into a + register when needed on TARGET_LIVE_G0. + (define_insn movsi_insn): Use general_operand and input_operand + for dest and src respectively. Simplify applicability test. + Prettify output strings, and add clr alternative for J + constraint. + (define_insn movdi_sp32_v9, movdi_sp32, define_splits for + deprecated std and reg-reg DI moves): Remove and... + (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new + implementation which uses forced splits for all non-single insn + cases. + (define_split DI move cases on !arch64): New splits to handle all + situations of 64-bit double register DImode on 32bit, and + unaligned registers and memory addresses for all subtargets. + (define_insn movsf_const_insn, movdf_const_insn, store_sf): + Remove. + (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and + input_operand for dest and src respectively, prettify output + strings. + (define_insn movdf_insn, movdf_no_e_insn, store_df, + movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove + and... + (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32, + movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn, + movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64, + movtf_no_e_insn_sp64): Replace with new + implementation which uses forced splits for all non-single insn + cases. + (define_split DF move cases): New splits in similar vein to DI + move counterparts. + (define_insn sethi_di_medlow, sethi_di_medium_pic, + sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64, + movdi_sp64_insn): Remove old v9 code model and constant loading + support insns and.. + (define_insn pic_lo_sum_di, pic_sethi_di, + sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow, + seth44, setm44, setl44, sethh, setlm, sethm, setlo, + embmedany_sethi, embmedany_losum, embmedany_brsum, + embmedany_textuhi, embmedany_texthi, embmedany_textulo, + embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl, + movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new + scheme, using unspecs, secondary reloads, and one to one sparc + insn to rtl insn mapping for better scheduling and code gen. + (define_expand reload_indi, reload_outdi): Reload helpers for + MEDANY and EMBMEDANY symbol address loading cases which require a + temporary register. + (define_expand movsicc): Remove v8plus_regcmp cases. + (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, + cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc, + cmp_diqi_trunc_set): New patterns used by some of the new scc + splits on arch64. + (define_insn xordi3_sp64_dbl): New pattern used for constant + formation when crossing from 32-bit targets. + (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper + split): Remove. + (define_insn addx, subx): Make visible and prettify. + (define_insn adddi3_insn_sp32): Likewise and force split. + (define_insn addx_extend, subx_extend, unnamed): New patterns for + 64bit scc split usage. + (define_insn unnamed plusDI zero_extend, unnamed minusDI + zero_extend, subdi3): Force and implement splits. + + * final.c (final_scan_insn): Don't output labels if target + specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations + instead. + + * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end, + don't forget to walk inside SEQUENCESs too as these are what the + delay slot scheduler will create. + +Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com> + + * alpha.md (extxl+1,+2): New patterns to work around + combine lossage. + +Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org) + + * rs6000.c (rs6000_allocate_stack_space): Fix typo which + caused bad assembly code to be generated. + +Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com) + + * netbsd.h: Fix typo. + +Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com> + + * config.sub: Fix typo. + +Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se> + + * invoke.texi (Environment Variables): Typo: Change "ascpects" + into "aspects". + (Running Protoize): Typo: Change "ther" into "other". + +Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com) + + * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO. + * m68k/netbsd.h: Likewise. + * ns32k/netbsd.h: Likewise. + * sparc/netbsd.h: Likewise. + +Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com> + + * ginclude/va-alpha.h (va_list): Use a typedef, not a define. + * ginclude/va-clipper.h (va_list): Likewise. + +Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com> + + * rs6000.c (rs6000_override_options): If big endian and -Os, use + load/store multiple instructions unless user overrides. + +Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com) + + * ns32k/netbsd.h: Fix typo. + +Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com> + + * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number + labels with .debugsym if no parallel insns. + +Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com> + + * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN. + (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap. + +Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@gnu.org> + + * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete. + (AR_FOR_TARGET): Define. + +Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com> + + * dyn-string.h: New file. + * dyn-string.c: Likewise. + * Makefile.in (OBJS): Add dyn-string.o. + (dwarf2out.o): Add dyn-string.h dependency. + (dyn-string.o): List dependencies. + * dwarf2out.c: Include dyn-string.h. + (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy. + (addr_const_to_string): Take a dyn_string_t, not a char* as a + prototype. Use dyn_string_append rather than strcat, throughout. + (addr_to_string): Use dyn_string_t. + +Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com> + + Function entry/exit profiling instrumentation: + * expr.h (profile_function_entry_libfunc, + profile_function_exit_libfunc): Declare new variables. + * optabs.c: Define them here. + (init_optabs): Initialize them. + * tree.h (struct tree_decl): New flag + no_instrument_function_entry_exit. + (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro. + * c-decl.c (duplicate_decls): Merge it. + * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION. + (init_attributes): Use it for "no_instrument_function". + (decl_attributes): Handle it, for functions that have not yet been + compiled. Set decl flag. + * flags.h (flag_instrument_function_entry_exit): Declare new + variable. + * toplev.c (flag_instrument_function_entry_exit): Define it here. + (f_options): New option "instrument-functions". + * function.h (struct function): New field instrument_entry_exit. + * function.c (current_function_instrument_entry_exit): New + variable. + (push_function_context_to, pop_function_context_from): Save and + restore. + (expand_function_start): Set current_ variable, maybe emit return + label and entry profile call. + (expand_function_end): Maybe emit exit profile call. + +Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com) + + * i386.md (movqi): When optimizing a load of (const_int 1) into a + NON_QI_REG_P, pretend the register is SImode. + +Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org> + + * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist). + Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any + manufacturer id for ns32k. + * configure: Regenerated. + * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too. + * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc. + * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0. + * config/m68k/netbsd.h: Same. + * config/ns32k/netbsd.h: Same. + * config/sparc/netbsd.h: Same. + +Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com) + + * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO + or UNROLL_COMPLETELY loop that starts with a jump to its + exit code. + +Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@gnu.org> + + * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS. + * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT. + (print_operand, case 'B'): Don't fall through. + (print_operand, case 'S'): Correct mask begin/end computation. + Use HOST_BITS_PER_WIDE_INT. + * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG. + (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT. + * rs6000/aix41.h (CPP_PREDEFINES): Same. + * rs6000/aix43.h (CPP_PREDEFINES): Same. + +Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com> + + * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber + constraint from second alternative. + +Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com> + + * configure.in: Fix --without/--disable cases for local-prefix, + gxx-include-dir and checking. + +Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com> + + * configure.in (enable_haifa): Set by default for sparc64 too. + configure: Rebuilt. + +Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com> + + * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro. + * i386/winnt.c (associated_type): New fn. + (i386_pe_valid_type_attribute_p): New fn. + (i386_pe_check_vtable_importexport): Remove. + (i386_pe_dllexport_p): Use associated_type. + (i386_pe_dllimport_p): Likewise. + + From Antonio M. O. Neto <anmendes@cruzeironet.com.br>: + * i386.c (i386_valid_type_attribute_p): Also accept + attributes for METHOD_TYPEs. + +Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de> + + * tree.c (build_range_type): Copy TYPE_SIZE_UNIT. + +Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org> + + * gcc.c: Fix commentary describing %g, %u, %U, and %O. + + * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent + them from generating a new base name for each occurrence of + a specific suffix. + +1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com> + + * cse.c (cse_insn): Enable substitution inside libcall only for REG, + SUBREG, MEM. + * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE. + + * cplus-dem.c (type_kind_t): New type. + (demangle_template_value_parm): Add type_kind_t parameter. Rely + on this parameter, rather than demangling the type again. + (demangle_integral_value): Pass tk_integral. + (demangle_template_: Pass the value returned from do_type. + (do_type): Return a type_kind_t. Pass tk_integral to + demangle_template_value_parm for array bounds. + (demangle_fund_type): Likewise. + +Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com> + + * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are + identical. + +Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com) + + * pa.c (move_operand): Accept CONSTANT_P_RTX. + +Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com> + + * stor-layout.c (layout_type): Handle arrays of bits, for Chill. + + * expr.c (get_inner_reference): Handle zero-based, unsigned, array + index conversion. + +Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com) + + * mn10300.h (DEBUGGER_AUTO_OFFSET): Define. + (DEBUGGER_ARG_OFFSET): Likewise. + + * mn10300.md (movsf): Remove last change. Not needed. + +Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com> + + * c-lex.c (yylex): Fix boundary conditions in character literal and + string literal loops. + +Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com> + + * longlong.h (count_leading_zeros): SPARClite scan instruction was + being invoked incorrectly. + + * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation. + * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE): + Add -pg support. + * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration. + * configure.in: Added i[34567]86-*-win32. + * config.sub: Likewise. + * configure: Rebuilt. + +Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org) + + * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating + the frame pointer and compiling PIC code and reload has not completed. + + * i386.c (output_to_reg): Add code to emulate non-popping DImode + case. + +Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com) + + * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head. + +Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at> + + * Makefile.in (install-info): Only try to update the info + directory file if it exists in the first place. + +Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de> + + * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete. + +Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com) + + * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle + CONST_DOUBLE source. + +Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com> + + * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm + strings as the insertion of USER_LABEL_PREFIX. + * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a + valid code. + * config/arm/thumb.md: Use %_ as a prefix to gcc library function + calls. + +Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com> + + * dbxout.c (dbxout_range_type): Only call dbxout_type_index for + already defined type. + +Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com) + + * expr.c (check_max_integer_computation_mode): Allow conversions + of constant integers to MAX_INTEGER_COMPUTATION_MODE. + (expand_expr): Likewise. + +Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com> + + * expr.c (expand_expr): Expand RETURN_EXPR. + +Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com> + + * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION. + +Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com> + + * dwarf2out.c (output_aranges): Call stripattributes + for TEXT_SECTION references. + (output_line_info): Likewise. + +Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com> + + * profile.c (branch_prob): Call allocate_reg_info after outputting + profile rtl in instrument_arcs. + +Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com> + + * fixinc.irix (math.h): Install wrapper instead of copying. + +Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com> + + * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression + so WFL are expanded correctly when contained in a COMPOUND_EXPR. + * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use + lang_flag_0. Added documentation in the flag table. + +Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de> + + * cccp.c (do_include): Fix vax c style include handling. + +Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com> + + * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays. + +Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com> + + * fold-const.c (non_lvalue): Don't deal with null pointer + constants here. + (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR. + +Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@gnu.org> + + * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX. + * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX. + * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX. + (u_short_cint_operand): Same. + (reg_or_cint_operand): Same. + (logical_operand): Same. + (input_operand): Same. + (reg_or_short_operand): Use u_short_cint_operand. + +Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com> + + * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands, + but keep the insns and splits. Adjust so when the ultimate destination + is memory, use cvtql. + +Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com> + + * flow.c (regno_uninitialized): Fixed regs are never uninitialized. + +Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com) + + * gcc.c (do_spec): Call "error" not "warning". + + * configure.in: Fix minor problems with gas feature detection code. + * configure: Rebuilt. + + * gcc.c (do_spec): Issue a warning for '%[]' usage. + + * Undo this change. + * gcc.c: Delete %[spec] support. + (do_spec_1, case '('): Likewise. + (do_spec_1, case '['): Call error. + +Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com> + + * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget. + (CPP_SUBTARGET_SPEC): Default to empty string. + (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New. + (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New. + * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker). + * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New. + (LIB_SPEC): Tidy. + * alpha/linux.h (CPP_PREDEFINES): Tidy. + * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New. + * alpha/netbsd.h (CPP_PREDEFINES): Tidy. + * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC. + * alpha/win-nt.h (CPP_PREDEFINES): Likewise. + * alpha/vsf.h (CPP_PREDEFINES): Likewise. + (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC. + * alpha/vxworks.h: Likewise. + +Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com> + + * mips.md (reload_outsi): Added missing REGNO call. + (smulsi3_highpart, umulsi3_highpart): Provide prototype for + function pointer. + (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use + another match_operator and compare the codes. + + * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero. + + * MIPS multiply pattern fixes: + * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): + Add union classes for HI, LO, or HILO plus general registers. + (GENERATE_MADD): Deleted. + * mips.md (mulsi3_mult3): Don't disparage output-LO alternative. + Add TARGET_MAD to condition. + (mulsi3): Test HAVE_mulsi3_mult3, not specific flags. + (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use + "*d" for accumulator, to give preference to LO initially but not + during reload. + +Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com> + + * configure.in (enable_c_mbchar): New configure option. + (extra_cpp_objs): Always available now. + + * cexp.y (mbchar.h): #include it. + (yylex): Handle Multibyte characters in character literals. + + * cccp.c (mbchar.h): #include it. + (main): Set character set based on LANG environment variable. + (rescan): Handle multibyte characters in comments. + (skip_if_group): See above. + (validate_else): See above. + (skip_to_end_of_comment): See above. + (macarg1): See above. + (discard_comments): See above. + (rescan): Handle multibyte characters in string and character literals. + (collect_expansion): See above. + (skip_quoted_string): See above. + (macroexpand): See above. + (macarg1): See above. + (discard_comments): See above. + (change_newlines): See above. + + * c-lex.c (mbchar.h): #include it. + (GET_ENVIRONMENT): New macro. + (init_lex): Set character set based on LANG environment variable. + (yylex): Handle multibyte characters in character literals. + (yylex): Handle multibyte characters in string literals. + + * Makefile.in (mbchar.o): New target. + (cccp$(exeext)): @extra_cpp_objs@ is always available. + (cppmain$(exeext)): @extra_cpp_objs@ is always available. + + * mbchar.[ch]: New files for multibyte character handling. + +Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com> + + * jump.c (jump_optimize): When simplifying noop moves and + PUSH_ROUNDING, fix thinko so we use same criterion for identifying + the PUSHes to rewrite in second loop as we did in the first. + +Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * cplus-dem.c (demangle_nested_args): Make function definition + static to match the prototype. + +Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com> + + * alloca.c: Respect USE_C_ALLOCA. + * gencheck.c (xmalloc): Ignore __GNUC__ for definition. + * gengenrtl.c (xmalloc): Likewise. + +Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com> + + * loop.h (struct induction): Add no_const_addval. + * loop.c (the_movables, reg_address_cost): New variables. + (init_loop): Init reg_address_cost. + (loop_optimize): Call end_alias_analysis. + (scan_loop): Init the_movables. + (record_giv): Init induction->no_const_addval. + (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==. + [REG]: Rearrange loop search test to catch more cases. + (general_induction_var): Return success not benefit; take an extra + argument for that. Change all callers. + (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus. + [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants. + [default]: Search the_movables for additional combinations. + (sge_plus_constant, sge_plus): New functions. + (express_from_1): New function. + (express_from): Always define. Rewrite using express_from_1. + (combine_givs_p): Handle more cases. Ignore address cost. + (cmp_combine_givs_stats): New function. + (combine_givs_used_once, combine_givs_benefit_from): New functions. + (combine_givs): Rewrite to do best-fit combination. + + * fold-const.c (operand_equal_p): Handle RTL_EXPR. + (fold): Do a complete (A*C)+(B*C) association check. + +Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com> + + * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT. + +Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com) + + * mn10300.c (MODES_TIEABLE_P): Fix typo. + +Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com) + + * tree.c (valid_machine_attribute): Only create a new type variant if + there is a decl to use it. + +Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com> + + * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have + a suffix. + +Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se> + + * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may + be deleted" + +Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com) + + * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed. + Simplify tests for clearing an address register. + (expand_prologue): Corresponding changes. + + * mn10300.md (movXX patterns): Make sure the destination is an + ADDRESS_REG when substituting "zero_areg" for (const_int 0). + (logical patterns): Split into expanders + patterns. + (zero and sign extension patterns): Similarly. + (shift patterns): Similarly. + +Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com> + + * loop.c (emit_iv_add_mult): Scan the entire insn list generated + for the sequence, recording base values. + +Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com> + + * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix). + +Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com> + + * gcc.c: Remove ANSI-C ism from --help code. + + * toplev.c: Support --help with USE_CPPLIB. + +Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com) + + * configure.in: Rework gas feature code to work with symlink based + source trees. + + * extend.texi: Clarify some issues related to local variables + assigned to explicit registers. + + * mn10300.md (mulsi): Turn into expander + pattern. + + * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a + alternative. + +Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com) + + * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h. + +Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com) + + * version.c: Bump again to distinguish mainline tree from the + egcs-1.1 branch. + +Tue Jul 14 02:20:38 1998 Jeffrey A Law (law@cygnus.com) + + * version.c: Bump to avoid problems with old spec files during + bootstrap. + +Mon Jul 13 23:11:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com> + + * config/sparc/sparc.c (output_scc_insn): Enclose || conditions in + parens while walking over notes. + * config/sparc/sparc.md (reg movdi split): Clean up matching + conditions. + (all DI arithop splits on 32-bit): Handle immediate arguments + correctly when they are CONST_INTs. + +Mon Jul 13 23:57:21 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl> + + * m68k/m68k.h (TARGET_SWITCHES): Clear MASK_68040_ONLY for + -m68020-40, -m68020-60 and -m5200. + +Mon Jul 13 23:52:05 1998 Weiwen Liu <weiwen.liu@yale.edu> + + * gcc.c (do_spec_1): Fix %O handling for secure temporary file + creation. + +Mon Jul 13 23:42:36 1998 Ralf Corsepius <corsepiu@faw.uni-ulm.de> + + * sh/elf.h (MAX_OFILE_ALIGNMENT): Undefine before including svr4.h. + +Mon Jul 13 23:36:08 1998 Jim Wilson <wilson@cygnus.com> + + * i386/i386.h (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): New specs. + (CPP_CPU_DEFAULT_SPEC, CPP_CPU_SPEC): Use them. + (EXTRA_SPECS): Support them. + * gcc.c: Delete %[spec] support. + (do_spec_1, case '('): Likewise. + (do_spec_1, case '['): Call error. + * i386/aix386ng.h, cygwin32.h, freebsd-elf.h, gas.h, isc.h, + linux-aout.h, linux-oldld.h, linux.h, osfelf.h, osfrose.h, sco.h, + sco4.h, sco4dbx.h, sco5.h, sol2.h, sysv3.h (CPP_SPEC): Delete + %[cpp_cpu]. + +Mon Jul 13 23:31:04 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> + + * m68k.c (output_scc_di): Use cmpw #0 only for address registers. + +Mon Jul 13 23:26:43 1998 Jeffrey A Law (law@cygnus.com) + + * tree.h (tree_common): Note front-end dependencies on layout of + this structure. + +Mon Jul 13 23:18:39 1998 Craig Burley <burley@gnu.org> + + * stmt.c (expand_expr_stmt): If not assigning fresh + value to last_expr_value, zero it, so old garbage + doesn't get dereferenced. + +Mon Jul 13 23:06:55 1998 Henning.Petersen@t-online.de (Henning Petersen) + + * gcse.c (hash_scan_insn): Add missing argument declaration. + +Mon Jul 13 18:59:13 1998 Jim Wilson <wilson@cygnus.com> + + * configure.in (mips-sgi-irix5cross64, mips-sgi-irix5*): Remove + HAVE_INTTYPES_H from xm_defines. Define xm_file to mips/xm-iris5.h. + * mips/xm-iris5.h (USG): Delete. + +Mon Jul 13 17:18:47 1998 Nick Clifton <nickc@cygnus.com> + + * cccp.c (main): Add support for parsing --help. + (display_help): New function: display command line switches. + + * cpplib.c (cpp_handle_option): Add support for parsing --help. + (display_help): New function: display command line switches. + + * gcc.c (main): Add support for parsing --help, and passing it on + to the sub-processes invoked by gcc. + (display_help): New function: display command line switches. + + * tm.texi (TARGET_SWITCHES and TARGET_OPTIONS): Document + 'description' field added to structure. + + * toplev.c: Add support for parsing --help. + Add documentation strings to command line option tables. + (display_help): New function: display comman line switches. + +Mon Jul 13 16:15:10 1998 John Carr <jfc@mit.edu> + + * sparc.c, sparc.h, sparc.md: New trampoline code. + Allow integer operand 1 to V8+ DImode shift instructions. + Fix bugs in V8+ wide multiply patterns. + In 32 bit mode, split DImode register moves and logical instructions. + Write V9 branch prediction flag. + Use V9 conditional move more often for scc. + +Mon Jul 13 15:10:09 1998 Philippe De Muyter <phdm@macqel.be> + + * invoke.texi(-fno-builtin): Explain that the names of built-in + functions begin with `__builtin_', not `__'. + +Mon Jul 13 19:01:52 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * reload1.c (reload_reg_free_before_p): Abort for RELOAD_FOR_OUTPUT. + +Mon Jul 13 10:50:17 1998 Mark Mitchell <mark@markmitchell.com> + + * cplus-dem.c (SCOPE_STRING): Remove DMGL_JAVA stuff. + (cplus_demangle_opname): Initialize work. + (demangle_template): Remove is_java_array. + (do_type): Remove DMGL_JAVA stuff. + (long_options): Remove "java". + (main): Remove 'j' option. + +Mon Jul 13 10:19:00 1998 Jeffrey A Law (law@cygnus.com) + + * mn10300.h (REG_CLASS_FROM_LETTER): Map 'y' to SP_REGS. + Handle 'x' as NO_REGS for this cpu. + (REGNO_OK_FOR_BIT_BASE_P): Define. + (REG_OK_FOR_BIT_BASE_P): Define. + (GO_IF_LEGITIMATE_ADDRESS): Use them. + (REG_OK_FOR_INDEX_P): Tweak. + * mn13000.c (REG_SAVE_BYTES): Define. + (expand_epilogue, initial_offset): Use it. + (secondary_reload_class): Slightly reformat. + (output_tst): Tweak comments. + * mn10300.md: Change 'x' to 'y' for SP_REGS. Then add 'x' to many + patterns. + (addsi3): Turn into a define_expand/define_insn pair. Rework code for + three operand addition case to be more efficient. + (subsi3): Turn into a define_expand/define_insn pair. + + * expr.c (expand_expr): Only set MEM_IN_STRUCT_P if the memory address + is not varying for REFERENCE_TYPE or when we think we might have found + an optimized access to the first element in an array. + +Mon Jul 13 02:24:08 1998 David S. Miller <davem@pierdol.cobaltmicro.com> + + * regclass.c (reg_scan_mark_refs): New arg min_regno. Only update + regscan information for REGs with numbers greater than or equal to + this. All callers changed. + (reg_scan_update): New function to efficiently update regscan + information on the fly. + * rtl.h: Add prototype. + * jump.c (jump_optimize): Call it when we make a transformation + which generates new pseudo-REGs. + +Sun Jul 12 13:08:14 1998 Jeffrey A Law (law@cygnus.com) + + * collect2.c (main): Use "-x c" instead of "-lang-c" for force the + compiler into C mode. + +Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com> + + * cplus-dem.c (demangle_nested_args): Return a value. + + * tree.h (TYPE_P): New macro. + +Sat Jul 11 16:19:48 1998 Mark Mitchell <mark@markmitchell.com> + + * cplus-dem.c (string): Move definition before work_stuff. + (work_stuff): Add volatile_type, forgetting_types, + previous_argument, and nrepeats fields. + (SCOPE_STRING): New macro. + (demangle_template): Add `remember' parameter. Add comment. + Register the `B' code type here, if remembering. Tidy. Fix crash + on NULL tmpl_argvec. Be consistent with use of tname/trawname. + (demangle_nested_args): New function. + (internal_cplus_demangle): Handle volatile-qualified member + functions. + (mop_up): Delete the previous_argument string if present. + (demangle_signature): Tidy. Handle volatile-qualified member + functions. Handle back-references using the `B' code. Use extra + parameter to demangle_template and SCOPE_STRING where appropriate. + (demangle_template_value_parm): Fix thinko; 'B' is not an integral + code. + (demangle_class): Use SCOPE_STRING. + (gnu_special): Pass additional argument to demangle_template. + Use SCOPE_STRING. + (demangle_qualified): Save qualified types for later + back-references. Handle constructors and destructors for template + types correctly. + (do_type): Tidy. Use SCOPE_STRING. Pass extra argument to + demangle_template. Use demangled_nested_args. Don't remember + qualified types here; that's now done in demangle_qualified. + Similarly for templates. + (do_arg): Improve comment. Handle 'n' repeat code. + (remember_type): Check forgetting_types. + (demangle_args): Deal with 'n' repeat codes. Tidy. + +Sat Jul 11 02:59:08 1998 Richard Earnshaw <rearnsha@arm.com> + + * arm.md (extendhisi2_mem, movhi, movhi_bytes): Propagate the volatile + and structure attribute flags to MEMs generated. + (splits for sign-extended HI & QI mode from memory): Also propagate + the volatile flag. + + * configure.in (thumb-*-coff*): Don't cause fixincludes to be run. + +Fri Jul 10 19:06:59 1998 Michael Meissner <meissner@cygnus.com> + + * varray.h: Include system.h if it hasn't already been included + before to get size_t declared. + +Fri Jul 10 12:53:58 1998 David S. Miller <davem@pierdol.cobaltmicro.com> + + * jump.c (jump_optimize): If after_regscan and our transformations + generate new REGs, rerun reg_scan. + +Fri Jul 10 11:50:43 1998 Andrew MacLeod <amacleod@cygnus.com> + + * config/i960/i960.c (i960_address_cost): MEMA operands with + positive offsets < 4096 are free. + +Fri Jul 10 12:34:37 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> + + * config/m68k/m68k.c (const_uint32_operand): Recognize + CONSTANT_P_RTX. + (const_sint32_operand): Likewise. + +Thu Jul 9 22:58:59 1998 Jeffrey A Law (law@cygnus.com) + + * Makefile.in (alias.o): Depend on $(EXPR_H). + +Thu Jul 9 18:24:56 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * reload1.c (choose_reload_regs): If using an equivalence from + find_equiv_reg and reg_reloaded_valid is not set for this register, + clear the associated spill_reg_store. + +Thu Jul 9 18:12:49 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * reload1.c (emit_reload_insns): If an output reload copies only + to a secondary reload register, indicate that the secondary reload + does the actual store. + +Thu Jul 9 18:01:05 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * reload.c (find_equiv_reg): If need_stable_sp is set, + check if stack pointer is changed directly in a PARALLEL. + +Thu Jul 9 10:38:14 1998 Jeffrey A Law (law@cygnus.com) + + * jump.c (duplicate_loop_exit_test): Fix thinko. + +Thu Jul 9 01:30:37 1998 Joel Sherrill <joel@OARcorp.com> + Ralf Corsepius <corsepiu@faw.uni-ulm.de> + + * config/i386/rtemself.h: Updated to keep in sync with + config/i386/linux.h. + + * configure.in: Added sh-rtemself. + * configure: Rebuilt. + * config/sh/rtems.h: Removed -D__ELF__ since it is now COFF. + * config/sh/rtemself.h: New file. + + * config/rs6000/rtems.h: Defined STARTFILE_DEFAULT_SPEC. + +Wed Jul 8 21:43:14 1998 Jeffrey A Law (law@cygnus.com) + + * configure.in: Check if the assembler supports ".balign" and + ".p2align" and define HAVE_GAS_BALIGN_AND_P2ALIGN appropriately. + * acconfig.h (HAVE_GAS_BALIGN_AND_P2ALIGN): New tag. + * i386/gas.h (ASM_OUTPUT_ALIGN): If the assembler has support for + ".balign" then use it. + + * print-rtl.c (print_rtx): Revert previous patch. + + * jump.c (duplicate_loop_exit_test): Do not duplicate the loop exit + test if the exit code has an insn with ASM_OPERANDS. + + * i386/cygwin32.h (STDIO_PROTO): Fix typo. + * m32r.h (STDIO_PROTO): Fix typo. + + * pa.h (LEGITIMIZE_RELOAD_ADDRESS): Handle addresses created by + LEGITIMIZE_RELOAD_ADDRESS. + * tm.texi (LEGITIMIZE_RELOAD_ADDRESS): Note that this macro must be + able to handle addresses created by previous invocations of the macro. + + * flow.c (find_auto_inc): Remove most recent change. Real bug was + elsewhere. + + * cse.c (count_reg_usage): Count registers used in addresses of + CLOBBERs. + +Wed Jul 8 15:08:29 1998 Jim Wilson <wilson@cygnus.com> + + * Makefile.in (STAGESTUFF): Readd line lost during June 9 FSF merge. + + * configure.in (mips64orion-*-rtems*): Use elf64.h not elfl64.h. + +1998-07-08 Vladimir N. Makarov <vmakarov@cygnus.com> + + * config/fp-bit.c (__gexf2, __fixxfsi, __floatsixf): Add function + stubs. + + * toplev.c (lang_options): Add -Wlong-long, -Wno-long-long + options. + * c-decl.c (warn_long_long): Define. + (c_decode_option): Parse -Wlong-long, -Wno-long-long options. + (grokdeclarator): Add flag `warn_long_long' as guard for + warning "ANSI C does not support `long long'". + * invoke.texi: Add description of options -Wlong-long, + -Wno-long-long. + * gcc.1: The same as above. + +Wed Jul 8 02:43:34 1998 Jeffrey A Law (law@cygnus.com) + + * rtlanal.c (reg_overlap_mentioned_p): Handle STRICT_LOW_PART. If + either argument is CONSTANT_P, then return zero. + * reload.c (reg_overlap_mentioned_for_reload_p): Similarly. + + * configure.in: Also look at $srcdir/gas/configure to find a + gas version #. + +Wed Jul 8 00:28:22 1998 Carlo Wood <carlo@runaway.xs4all.nl> + + * dsp16xx.h : Clean up of macro OPTIMIZATION_OPTIONS + +Tue Jul 7 21:18:14 1998 Mumit Khan <khan@xraylith.wisc.edu> + + * i386/cygwin32.h (ASM_DECLARE_FUNCTION_NAME): Merge duplicate + definitions from last two patches. + +Tue Jul 7 23:03:34 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * reload1.c (choose_reload_regs): Don't set reload_override_in + if EQUIV is clobbered in INSN and the reload is done after INSN. + +Tue Jul 7 21:23:36 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * expr.c (emit_queue): If emitting a SEQUENCE, set QUEUED_INSN + to the first insn of the sequence. + +Tue Jul 7 21:05:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * cse.c (cse_insn): Don't make change without validation. + +Tue Jul 7 11:40:05 1998 Jeffrey A Law (law@cygnus.com) + + * mn10200.md (various zero/sign extension patterns): Zero and sign + extensions which use "sub" clobber cc0. + +Tue Jul 7 09:12:08 1998 Jeff Law (law@cygnus.com) + + * version.c: Bump for snapshot. + +Tue Jul 7 10:07:20 1998 Jeffrey A Law (law@cygnus.com) + + * print-rtl.c (print_rtx): Use REAL_VALUE_TYPE instead of "double". + +Tue Jul 7 08:41:27 1998 Richard Henderson (rth@cygnus.com) + + * print-rtl.c (print_rtx): Only print fp values when REAL_VALUE_TYPE + is a double. + +Tue Jul 7 00:31:58 1998 Jeff Law (law@cygnus.com) + + * version.c: Bump for snapshot. + +Tue Jul 7 01:03:03 1998 Mumit Khan <khan@xraylith.wisc.edu> + + Support for dllimport and dllexport attributes for i386-pe. + + * tree.h (DECL_NON_ADDR_CONST_P): New accessor macro. + (struct tree_decl): Add non_addr_const_p field. + * tree.c (staticp): Use. + + * i386/cygwin32.h (CPP_PREDEFINES): Map __declspec(x) to GCC + attributes. + (SUBTARGET_SWITCHES): Switches to turn on/off dllimport|export + attributes. Also accept -mwindows option. + (VALID_MACHINE_DECL_ATTRIBUTE): New macro. + (MERGE_MACHINE_DECL_ATTRIBUTE): New macro. + (REDO_SECTION_INFO_P): New macro. + (DRECTVE_SECTION_FUNCTION): New macro. + (drectve_section): Cover function to implement above. + (SWITCH_TO_SECTION_FUNCTION): New macro. + (switch_to_section): Covert function to implement above. + (EXTRA_SECTIONS): Add in_drectve. + (EXTRA_SECTION_FUNCTIONS): Add in_drectve and switch_to_section. + (ENCODE_SECTION_INFO): Delete old macro and redefine as a function. + (STRIP_NAME_ENCODING): Handle new attributes. + (ASM_OUTPUT_LABELREF): New macro. + (ASM_OUTPUT_FUNCTION_NAME): New macro. + (ASM_OUTPUT_COMMON): New macro. + (ASM_OUTPUT_DECLARE_OBJECT_NAME): New macro. + + * i386/mingw32.h (CPP_PREDEFINES): Map __declspec(x) to GCC + attributes. + + * i386/winnt.c (i386_pe_valid_decl_attribute_p): New function. + (i386_pe_merge_decl_attributes): New function. + (i386_pe_check_vtable_importexport): New function. + (i386_pe_dllexport_p): New function. + (i386_pe_dllimport_p): New function. + (i386_pe_dllexport_name_p): New function. + (i386_pe_dllimport_name_p): New function. + (i386_pe_mark_dllexport): New function. + (i386_pe_mark_dllimport): New function. + (i386_pe_encode_section_info): New function. + (i386_pe_unique_section): Strip encoding from name first. + +Tue Jul 7 00:50:17 1998 Manfred Hollstein (manfred@s-direktnet.de) + + * libgcc2.c (L_exit): Provide a fake for atexit on systems which + define ON_EXIT but not HAVE_ATEXIT. + +Tue Jul 7 00:44:35 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com> + + * m68k.md (zero_extend QI to HI): Correctly handle TARGET_5200. + +Tue Jul 7 00:36:41 1998 Ulrich Drepper <drepper@cygnus.com> + + * i386.c: Remove random whitespace at end of lines. + + * i386.c (ix86_epilogue): For pentium processors, try to deallocate + 4 or 8 byte stacks with pop instructions instead of an add instruction. + +Tue Jul 7 00:30:08 1998 Klaus Kaempf <kkaempf@rmi.de> + + * alpha.c: Include tree.h before expr.h. + +Mon Jul 6 22:50:48 1998 Jason Merrill <jason@yorick.cygnus.com> + + * c-parse.in (struct_head, union_head, enum_head): New nonterminals. + (structsp): Use them. Update files generated from c-parse.in. + * extend.texi (Type Attributes): Document it. + + * c-decl.c: Add warn_multichar. + (c_decode_option): Handle -Wno-multichar. + * c-lex.c (yylex): Check it. + * c-tree.h: Declare it. + * toplev.c (lang_options): Add it. + * invoke.texi: Document it. + +Mon Jul 6 22:47:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * reload.c (find_equiv_reg): When looking for stack pointer + const, + make sure we don't use a stack adjust. + + * reload.c (find_equiv_reg): If need_stable_sp is set, + check if stack pointer is changed directly. + + * reload1.c (delete_dead_insn): Don't delete feeding insn + if that insn has side effects. + + * flow.c (find_auto_inc): Clear UNCHANGING bit of register that is + changed. + + * reload1.c (reload_reg_free_before_p): RELOAD_FOR_OPADDR_ADDR + precedes RELOAD_FOR_OUTADDR_ADDRESS. + + * gcse.c (hash_scan_insn): New argument IN_LIBCALL_BLOCK. Changed + caller. + +Mon Jul 6 22:21:56 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl> + + * m68k.c (output_scc_di): Use cmpw #0 instead of tstl when + testing address registers on the 68000. + +Mon Jul 6 22:17:19 1998 Alasdair Baird <alasdair@wildcat.demon.co.uk> + + * i386.c (is_fp_test): Fix thinko. + + * jump.c (jump_optimize): Check for CONST_INT before using INTVAL. + +Mon Jul 6 22:14:31 1998 Richard Henderson (rth@cygnus.com) + + * print-rtl.c (print_rtx): Display the real-value equivalent of + a const_double when easy. + + * real.h (REAL_VALUE_TO_TARGET_SINGLE): Use a union to pun types. + Zero memory first for predictability. + (REAL_VALUE_TO_TARGET_DOUBLE): Likewise. + * varasm.c (immed_real_const_1): Notice width of H_W_I == double. + + * regclass.c (allocate_reg_info): Initialize the entire reg_data + virtual array. + +Mon Jul 6 22:09:32 1998 Ian Lance Taylor <ian@cygnus.com> + Jeff Law <law@cygnus.com> + + * i386/cygwin32.h: Add some declaration of external functions. + (ASM_DECLARE_FUNCTION_NAME): Define. + (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define. + (ASM_FILE_END): Define. + * i386/winnt.c (i386_pe_declare_function_type): New function. + (struct extern_list, extern_head): Define. + (i386_pe_record_external_function): New function. + (i386_pe_asm_file_end): New function. + + * cpplib.c (cpp_options_init): Initialize cplusplus_comments to 1, + matching July 18, 1995 change to cccp.c. If -traditional then + disable cplusplus_comments. + +Mon Jul 6 21:28:14 1998 Jeffrey A Law (law@cygnus.com) + + * combine.c (expand_compound_operation): Fix thinko in code to optimize + (zero_extend:DI (subreg:SI (foo:DI) 0)) to foo:DI. + + * Disable the following change from gcc2. Not appropriate for egcs: + + Sun Jun 7 09:30:31 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + * reload.c (find_reloads): Give preference to pseudo that was the + reloaded output of previous insn. + +Mon Jul 6 21:07:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * aclocal.m4 (GCC_FUNC_PRINTF_PTR): Don't define HOST_PTR_PRINTF. + Instead, define a new macro HAVE_PRINTF_PTR which only signifies + whether we have the %p format specifier or not. + + * acconfig.h: Delete stub for HOST_PTR_PRINTF, add HAVE_PRINTF_PTR. + + * machmode.h (HOST_PTR_PRINTF): When determining the definition, + check HAVE_PRINTF_PTR to see whether "%p" is okay. + + * mips-tfile.c: Include machmode.h to get HOST_PTR_PRINTF. + + * Makefile.in (mips-tfile.o): Depend on machmode.h. + +Mon Jul 6 10:42:05 1998 Mark Mitchell <mark@markmitchell.com> + + * jump.c (duplicate_loop_exit_test): Don't refuse to copy a + section of code just because it contains + NOTE_INSN_BLOCK_{BEG,END}. + * stmt.c (expand_end_loop): Likewise. Also, don't refuse to + move CALL_INSNs or CODE_LABELs. When moving code, don't move + NOTE_INSN_BLOCK_{BEG,END}. + +Mon Jul 6 09:38:15 1998 Mark Mitchell <mark@markmitchell.com> + + * cse.c (CSE_ADDRESS_COST): New macro, based on ADDRESS_COST, but + dealing with ADDRESSOF. + (find_best_addr): Use it. + +Mon Jul 6 09:27:08 1998 Richard Henderson <rth@cygnus.com> + + * alpha/vms.h (TRAMPOLINE_TEMPLATE): Revert last change. + +Mon Jul 6 09:25:06 1998 Dave Love <d.love@dl.ac.uk> + + * libgcc2.c (__eprintf): Make args consistent with prototype in + assert.h. + +Mon Jul 6 00:28:43 1998 Mark Mitchell <mark@markmitchell.com> + + * cse.c (cse_insn): When SETting (MEM (ADDRESSOF (X))) to Y, + don't claim that the former is equivalent to the latter. + +Sun Jul 5 23:58:19 1998 Jeffrey A Law (law@cygnus.com) + + * cse.c (cse_insn): Second arg is an RTX now. Update all callers. + (cse_basic_block): Keep track of the current RETVAL insn for a + libcall instead of just noting that we're in a libcall. + + * combine.c (simplify_comparison): Do not commute a AND into + a paradoxical SUBREG if not WORD_REGISTER_OPERATIONS. + + * i386/freebsd-elf.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Protect with + HAVE_GAS_MAX_SKIP_P2ALIGN. + * i386/linux.h: Likewise. + +Fri Jul 3 02:33:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com> + + * sparc.c (sparc_operand, move_operand, arith_operand, + arith11_operand, arith10_operand, arith_double_operand, + arith11_double_operand, arith10_double_operand, small_int, + uns_small_int): Recognize CONSTANT_P_RTX. + (output_sized_memop, output_move_with_extension, + output_load_address, output_size_for_block_move, + output_block_move, delay_operand): Remove, has not been + enabled or referenced for years. + * sparc.md (movstrsi, block_move_insn): Likewise. + * sparc.h (PREDICATE_CODES): Define. + * linux-aout.h (MACHINE_STATE_{SAVE,RESTORE}): Override with + version which uses getcc/setcc traps to save/restore condition + codes. + * linux64.h: Likewise. + * sunos4.h: Likewise. + * linux.h: Likewise. + * sol2.h: Likewise. + * sun4o3.h: Likewise. + +Fri Jul 3 02:28:05 1998 Richard Henderson <rth@cygnus.com> + + * alpha.c (alpha_initialize_trampoline): Hack around Pmode/ptr_mode + lossage on VMS. Reported by kkaempf@rmi.de. + * alpha/vms.h (TRAMPOLINE_TEMPLATE): Add missing 0. + +Thu Jul 2 17:41:14 1998 Nick Clifton <nickc@cygnus.com> + + * config/m32r/m32r.h (MUST_PASS_IN_STACK): Override default + version. + +Thu Jul 2 14:34:48 1998 David Edelsohn <edelsohn@mhpcc.edu> + + * expr.h (STACK_SIZE_MODE): New macro. + * explow.c (allocate_dynamic_stack_space): Use it for + mode of allocate_stack pattern increment operand. + * tm.texi (STACK_SAVEAREA_MODE, STACK_SIZE_MODE): Document. + * md.texi (stack_save_block, ...): Reflect use of macro. + + * rs6000.h (PROMOTE_MODE): Always promote to word_mode. + (PROMOTE_FUNCTION_ARGS): Define. + (PROMOTE_FUNCTION_RETURN): Define. + (FUNCTION_VALUE): Promote to word_mode if smaller. + Convert to gen_rtx_FOO. + * rs6000.md (call_indirect): Store doubleword in 64-bit mode. + Convert to gen_rtx_FOO. + * rs6000.c: Convert to gen_rtx_FOO. + +Thu Jul 2 14:16:11 1998 Michael Meissner <meissner@cygnus.com> + + * varray.{c,h}: New files to provide virtual array support. + + * Makefile.in (OBJS): Add varray.o. + (varray.o): Add new file. + (REGS_H): New variable for dependencies for files including + regs.h. Add varray.h and files it includes. Change all regs.h + dependencies to $(REGS_H). + + * toplev.c (x{m,re}alloc): If size is 0, allocate 1 byte. + (xcalloc): Provide frontend for calloc. + * {tree,rtl}.h (xcalloc): Add declaration. + + * basic-block.h (REG_BASIC_BLOCK): Convert reg_n_info to be a + varray. + + * regs.h (toplevel): Include varray.h. + (reg_n_info): Switch to use a varray. + (REG_*): Likewise. + (allocate_reg_info): Change num_regs argument to be size_t. + + * regclass.c (reg_info_data): New structure to remember groups of + reg_info structures allocated that are to be zeroed. + ({pref,alt}class_buffer): New statics to hold buffers + allocate_reg_info allocates for {pref,alt}class_buffer. + (regclass): Use {pref,alt}class_buffer to initialize + {pref,alt}class. + (allocate_reg_info): Switch to make reg_n_info use varrays. + Allocate buffers for the preferred and alter register class + information. Change num_regs argument to be size_t, not int. + + * flow.c (reg_n_info): Switch to use varrays. + +Thu Jul 2 10:11:47 1998 Robert Lipe <robertl@dgii.com> + + * install.texi (sco3.2v5): Document new --with-gnu-as flag. + * config/i386/sco5.h (JUMP_TABLES_IN_TEXT_SECTION): Defined as + in other targets. + (USE_GAS): Conditionalize away native assembler usage. + * config/i386/sco5gas.h: New file. + * config/i386/t-sco5gas: New file. + * configure.in (ix86-sco3.2v5*): Use new files if --with-gnu-as + +Thu Jul 2 08:20:00 1998 Catherine Moore <clm@cygnus.com> + + * haifa-sched.c (alloc_EXPR_LIST): Change to use + unused_expr_list. + +Thu Jul 2 14:13:28 1998 Dave Love <d.love@dl.ac.uk> + + * Makefile.in (install-info): Don't use $realfile. Ignore + possible errors from the install-info program. + +Thu Jul 2 01:53:32 1998 Alasdair Baird <alasdair@wildcat.demon.co.uk> + + * combine.c (simplify_comparison): Apply SUBREG_REG to SUBREGs. + +Wed Jul 1 23:06:03 1998 Richard Henderson <rth@cygnus.com> + + * i386.h (HARD_REGNO_MODE_OK): Kill spurious test. + (MODES_TIEABLE_P): Tie SImode and HImode. + +1998-07-01 Andreas Jaeger <aj@arthur.rhein-neckar.de> + + * invoke.texi (Optimize Options): Fix typo. + +Wed Jul 1 22:25:43 1998 Jim Wilson <wilson@cygnus.com> + + * xcoffout.c (xcoffout_begin_function): Call xcoffout_block for + the zero'th block. + +Wed Jul 1 23:12:58 1998 Ken Raeburn <raeburn@cygnus.com> + + * h8300.c (print_operand): Delete %L support. + * h8300.md (branch_true, branch_false): Use %= with a prefix + instead of %L for local branch labels. + +Wed Jul 1 21:27:13 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * reload1.c (emit_reload_insns): Use proper register classes for + SECONDARY_INPUT_RELOAD_CLASS / SECONDARY_MEMORY_NEEDED code. + +Wed Jul 1 21:17:36 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * reload.c (find_reloads): If there are multiple + RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_OUTPUT_ADDRESS reloads for + one operand, change RELOAD_FOR_INPADDR_ADDRESS / + RELOAD_FOR_OUTADDR_ADDRESS for all but the first + RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_OUTPUT_ADDRESS reloads. + +Wed Jul 1 17:23:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * regmove.c (fixup_match_2): Check that P has RTX_CLASS 'i' before + using its PATTERN. + +Wed Jul 1 05:04:41 1998 Richard Henderson <rth@cygnus.com> + + * expr.c (emit_group_load, emit_group_store): Rewrite considering + the size and alignment of the structure being manipulated. + * expr.c, calls.c, function.c: Update all callers. + * expr.h: Update prototypes. + * cse.c (invalidate): Cope with parallels. + +Wed Jul 1 04:22:23 1998 Richard Henderson <rth@cygnus.com> + + * sparc.c (function_arg_record_value): Take a MODE arg with which to + create the PARALLEL. Update all callers. + +Wed Jul 1 04:10:35 1998 Richard Henderson <rth@cygnus.com> + + * expr.c (expand_assignment, store_constructor, expand_expr): Use + convert_memory_address instead of convert_to_mode when possible. + +Wed Jul 1 03:48:00 1998 Richard Henderson <rth@cygnus.com> + + * alpha.c (alpha_initialize_trampoline): Take arguments describing + the layout. Use ptr_mode. Disable hint generation. Use gen_imb. + * alpha.h (INITIALIZE_TRAMPOLINE): Pass extra args to the init func. + (TRANSFER_FROM_TRAMPOLINE): Move ... + * alpha/osf.h: ... here. + * alpha/vms.h (INITIALIZE_TRAMPOLINE): Use alpha_initialize_trampoline. + (TRANSFER_FROM_TRAMPOLINE): Remove undef. + * alpha/win-nt.h: Likewise. + * alpha/vxworks.h: Likewise. + + * alpha/linux.h: Revert gcc2 merge lossage. + +Wed Jul 1 10:56:55 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> + + * c-decl.c (grokdeclarator): Don't warn about implicit int in + `typedef foo = bar'. + +Wed Jul 1 02:12:33 1998 Robert Lipe <robertl@dgii.com> + + * i386.c (asm_output_function_prefix): Make 686 function + prologues not issue .types for non-global labels. + +Tue Jun 30 23:46:53 1998 Dmitrij Tejblum <tejblum@arc.hq.cti.ru> + + * i386/freebsd.h (WCHAR_TYPE): Chagne to an "int". + (WCHAR_TYPE_SIZE): Update appropriately. + +Tue Jun 30 23:16:39 1998 Jeffrey A Law (law@cygnus.com) + + * flow.c (recompute_reg_usage): Does not return a value. + * rtl.h (recompute_reg_usage): Update prototype. + + * jump.c (jump_optimize): Show that the jump chain is not + valid when not optimizing. + +Tue Jun 30 16:01:01 1998 Richard Henderson <rth@cygnus.com> + + * rtl.def (CONSTANT_P_RTX): New. + * rtl.h (CONSTANT_P): Recognize it. + * cse.c (fold_rtx): Eliminate it. + * expr.c (can_handle_constant_p): New variable. + (init_expr_once): Initialize it. + (expand_builtin): Generate CONSTANT_P_RTX if the expression is not + immediately recognizable as a constant. + + * alpha.c (reg_or_6bit_operand): Recognize CONSTANT_P_RTX. + (reg_or_8bit_operand, cint8_operand, add_operand): Likewise. + (sext_add_operand, and_operand, or_operand): Likewise. + (reg_or_cint_operand, some_operand, input_operand): Likewise. + * alpha.h (PREDICATE_CODES): Add CONSTANT_P_RTX where needed. + +1998-06-30 Benjamin Kosnik <bkoz@bliss.nabi.net> + + * dbxout.c (dbxout_type_methods): Remove warn_template_debugging. + +Tue Jun 30 14:03:34 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * aclocal.m4 (GCC_NEED_DECLARATION): Accept an optional second + argument, which is typically preprocessor code used to draw in + additional header files when looking for a function declaration. + (GCC_NEED_DECLARATIONS): Likewise. + + * configure.in (GCC_NEED_DECLARATIONS): Add checks for getrlimit + and setrlimit, search for them in sys/resource.h. + + * acconfig.h: Add stubs for NEED_DECLARATION_GETRLIMIT and + NEED_DECLARATION_SETRLIMIT. + + * system.h: Prototype getrlimit/setrlimit if necessary. + +Tue Jun 30 10:54:48 1998 Mark Mitchell <mark@markmitchell.com> + + * rtl.texi: Don't say that RTX_INTEGRATED_P is not depended + upon. + +Tue Jun 30 13:11:42 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com> + + * rs6000/sysv4.h (asm output): Add tabs for asm directives. + +Tue Jun 30 13:11:42 1998 David Edelsohn <edelsohn@mhpcc.edu> + + * Makefile.in (FLAGS_TO_PASS): Set AR_FLAGS to AR_FOR_TARGET_FLAGS. + +Tue Jun 30 08:59:15 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * gansidecl.h (ATTRIBUTE_UNUSED): Use __unused__ not `unused'. + Don't define NULL here. Also, remove all vestiges of autoconf + based checks for bcmp/bcopy/bzero/index/rindex. + + * system.h: Immediately after including stdio.h, check for and if + necessary provide a default definition of NULL. + +Tue Jun 30 08:22:05 1998 Michael Meissner <meissner@cygnus.com> + + * reload1.c (reload_cse_simplify_operands): Call + fatal_insn_not_found, not abort. + +Tue Jun 30 02:34:02 1998 Jeffrey A Law (law@cygnus.com) + + * choose-temp.c (make_temp_file): Accept new argument for the + file suffix to use. Allocate space for it and add it to the + template. + * mkstemp.c (mkstemps): Renamed from mkstemp. Accept new argument + for the length of the suffix. Update template structure checks + to handle optional suffix. + * collect2.c (make_temp_file): Update prototype. + (main): Put proper suffixes on temporary files. + * gcc.c (make_temp_file): Update prototype. + (do_spec_1): Put proper suffixes on temporary files. + +Tue Jun 30 00:56:19 1998 Bruno Haible <haible@ilog.fr> + + * invoke.texi: Document new implicit structure initialization + warning. + +Mon Jun 29 21:40:15 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * toplev.c (flag_dump_unnumbered): Declare. + (f_options): Add dump-unnumbered. + * print-rtl.c (flag_dump_unnumbered): Define. + (print_rtx): Print only '#' for insn numbers if flag_dump_unnumbered + is nonzero. + (print_rtl): Don't output line number notes if flag_dump_unnumbered + is nonzero. + * flow.c (print_rtl_with_bb): Don't output newline after line + numbers note if flag_dump_unnumbered is nonzero. + +Mon Jun 29 22:12:06 1998 Jeffrey A Law (law@cygnus.com) + + * Merge from gcc2 June 9, 1998 snapshot. See ChangeLog.13 for + details. + + * pa.c, pa.h, pa.md: Convert to gen_rtx_FOO. + +Mon Jun 29 20:12:41 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * Makefile.in (fix-header): Don't needlessly depend on cpperror.o. + + * alias.c (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Cast expansion to + void since it is evaluated in a comma list. + + * mips.h (ASM_GENERATE_INTERNAL_LABEL): Always sprintf `NUM' + argument as a long and cast `NUM' to long to ensure it is of the + proper width. Wrap macro arguments in parens when they appear in + the expansion. + + * sol2.h (ASM_GENERATE_INTERNAL_LABEL): Likewise. + + * sparc.h (ASM_GENERATE_INTERNAL_LABEL): Likewise. + (ASM_DECLARE_RESULT): Fix fprintf format specifier to match + function argument return type. + (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_FP_P, + REGNO_OK_FOR_CCFP_P): Use `(unsigned)' not `U'. + + * cpplib.c (cpp_message_from_errno): Remove unneeded argument to + cpp_message. + + * dbxout.c: Fix the comments after an #endif to reflect the actual + condition tested in the preceding #if. + + * except.c (find_all_handler_type_matches): Switch to old-style + function definition. + + * expr.c (expand_builtin): Remove unused variable `type' twice. + + * gbl-ctors.h (DO_GLOBAL_CTORS_BODY): Cast -1 before comparing it + to an unsigned long. + + * haifa-sched.c (print_insn_chain): Remove unused function. + + * objc/objc-act.c (build_msg_pool_reference): Hide prototype and + definition. + + * toplev.c: When testing whether to include dbxout.h, also include + it when XCOFF_DEBUGGING_INFO is defined. + + * unroll.c (unroll_loop): Add parentheses around assignment used + as truth value. + +Mon Jun 29 12:18:00 1998 Catherine Moore <clm@cygnus.com> + + * config/lb1spc.asm (.div, .udiv): Replace routines. + +Mon Jun 29 09:44:24 1998 Mark Mitchell <mark@markmitchell.com> + + * rtl.h: Update comment about special gen_rtx variants. + * emit-rtl.c (gen_rtx): Handle MEMs using gen_rtx_MEM. + +Sun Jun 28 20:58:51 1998 Jeffrey A Law (law@cygnus.com) + + * choose-temp.c (choose_temp_base): Restore original variant of + this function for compatibility. + (make_temp_file): This is the new, preferred interface to create + temporary files. + * collect2.c (choose_temp_base): Delete declaration. + (make_temp_file): Declare. + (temp_filename_length, temp_filename): Delete. + (main): Use make_temp_file to get temporary files. Use --lang-c + to force the resulting ctort/dtor file to be compiled with the C + compiler. Make sure to remove temporary files on all exit paths. + * gcc.c (make_temp_file): Provide prototype if MKTEMP_EACH_FILE is + defined. + (choose_temp_base): Only provide prototype if MKTEMP_EACH_FILE is + not defined. + (do_spec): Use make_temp_file if MKTEMP_EACH_FILE is defined. + +Sun Jun 28 08:57:09 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * configure.in (GCC_NEED_DECLARATIONS): Add strerror, getcwd and + getwd. + + * acconfig.m4: Add stubs for NEED_DECLARATION_STRERROR, + NEED_DECLARATION_GETCWD and NEED_DECLARATION_GETWD. + + * cccp.c: Remove strerror()/sys_nerr/sys_errlist decls. + (my_strerror): Add prototype and make it static. + + * collect2.c: Likewise. + + * cpplib.c: Likewise. + + * gcc.c: Likewise, but keep `my_strerror' extern. + + * protoize.c: Likewise. + + * pexecute.c (my_strerror): Add argument to prototype. + + * system.h: Add prototypes for getcwd, getwd and strerror. Add + extern decls for sys_nerr and sys_errlist. Make abort decl + explicitly extern. + + * getpwd.c: Remove decls for getwd and getcwd. + +Sun Jun 28 02:11:16 1998 Jeff Law (law@cygnus.com) + + * version.c: Bump for snapshot. + +Sat Jun 27 23:32:25 1998 Richard Henderson <rth@cygnus.com> + + * jump.c (jump_optimize): Use side_effects_p & may_trap_p instead + of rtx_unsafe_p. Use modified_between_p instead of reg_set_between_p. + Allow FP moves to be optimized. + (rtx_unsafe_p): Delete. + +Sat Jun 27 23:02:04 1998 Richard Henderson <rth@cygnus.com> + + * objc/archive.c: Remove <string.h> prototypes. + +Sat Jun 27 22:37:05 1998 Jeffrey A Law (law@cygnus.com) + + * tm.texi (NEED_MATH_LIBRARY): Document new target macro. + + * Makefile.in (gencheck): Remove $(TREE_H) dependency. + +Sat Jun 27 20:20:00 1998 John Carr <jfc@mit.edu> + + * dsp16xx.h (FIRST_PSEUDO_REGISTER): Add parentheses to definition. + * dsp16xx.c (next_cc_user_unsigned): New function. + Remove save_next_cc_user_code. + (print_operand): Use HOST_WIDE_INT_PRINT_* macros. + * dsp16xx.md: Call next_cc_user_unsigned instead of using + save_next_cc_user_code. + Use gen_rtx_* functions instead of gen_rtx. + +Sat Jun 27 20:18:34 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com> + + * rs6000.h: Add trap_comparison_operator to PREDICATE_CODES. + +Sat Jun 27 16:45:42 1998 Jeffrey A Law (law@cygnus.com) + + * flow.c (count_reg_sets): New function. + (count_reg_sets_1, count_ref_references): Likewise. + (recompute_reg_usage): Likewise. + * rtl.h (recompute_reg_usage): Add prototype. + * toplev.c (rest_of_compilation): Call recompute_reg_usage just + before local register allocation. + +Sat Jun 27 13:15:30 1998 Richard Henderson <rth@cygnus.com> + + * alpha.md (negsf, negdf): Revert Jan 22 change. + +Sat Jun 27 07:35:21 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * mkstemp.c: Include gansidecl.h. Rename uint64_t to gcc_uint64_t. + (mkstemp): Remove size specifier for variable `letters'. Call + gettimeofday, not __gettimeofday. + + * Makefile.in (EXPR_H): New dependency variable. + (c-typeck.o): Depend on $(EXPR_H) instead of expr.h. + (c-iterate.o): Likewise. + (gencheck): Depend on $(TREE_H) instead of tree.h, etc. + (stor-layout.o): Depend on $(EXPR_H) instead of expr.h. + (toplev.o): Likewise. Also depend on $(RECOG_H) instead of recog.h. + (varasm.o): Depend on $(EXPR_H) instead of expr.h. + (function.o): Likewise. + (stmt.o): Likewise. + (except.o): Likewise. + (expr.o): Likewise. + (calls.o): Likewise. + (expmed.o): Likewise. + (explow.o): Likewise. + (optabs.o): Likewise. + (sdbout.o): Likewise. + (dwarf2out.o): Likewise. + (emit-rtl.o): Likewise. + (integrate.o): Likewise. + (jump.o): Likewise. + (cse.o): Likewise. + (gcse.o): Likewise. Also depend on $(BASIC_BLOCK_H) instead of + basic-block.h. + (loop.o): Depend on $(EXPR_H) instead of expr.h. + (unroll.o): Likewise. + (combine.o): Likewise. + (reload.o): Likewise. + (reload1.o): Likewise. + (caller-save.o): Likewise. + (reorg.o): Likewise. + (alias.o): Don't depend on insn-codes.h. + (regmove.o): Depend on $(RECOG_H)/$(EXPR_H) instead of recog.h/expr.h. + (insn-emit.o): Depend on $(EXPR_H) instead of expr.h. + (insn-opinit.o): Likewise. + +Sat Jun 27 01:35:14 1998 Jeffrey A Law (law@cygnus.com) + + * choose-temp.c (choose_temp_base): Remove MPW bits. Use mkstemp + instead of mktemp. + * gcc.c (MKTEMP_EACH_FILE): Define. + (main): No need to call choose_temp_base if we are going to + use choose_temp_base to create each file later. + * mkstemp.c: New file. Adapted from glibc. + * Makefile.in (xgcc, colect2, protoize, unprotoize): Link in mkstemp.o. + (mkstemp.o): Add dependencies. + + * configure.in (gettimeofday): Check for its existence. + * config.in (HAVE_GETTIMEOFDAY): Define. + * configure: Rebuilt. + +1998-06-26 Michael Meissner <meissner@cygnus.com> + + * rs6000.md (ne 0, non power case): Add missing & constraint. + Name pattern ne0. + (negative abs insns): Add pattern names. + +Fri Jun 26 17:36:42 1998 Dave Love <d.love@dl.ac.uk> + + * Makefile.in (install-info): Run install-info program in separate + loop. + +Fri Jun 26 16:03:15 1998 Michael Meissner <meissner@cygnus.com> + + * haifa-sched.c (schedule_block): Add hooks for the machine + description to reorder the ready list, and update how many more + instructions can be issued this cycle. + * tm.texi (MD_SCHED_{INIT,REORDER,VARIABLE_ISSUE}): Document. + +Fri Jun 26 11:54:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com> + + * config/sparc/sparc.h (REGNO_OK_FOR_{INDEX,BASE,FP,CCFP}_P): + Explicitly mark the constant being compared against as unsigned. + * config/sparc/sparc.c (sparc_select, cpu_default, cpu_table): + Fully initialize final members. + (mem_aligned_8): Explicit init of offset to zero. + (output_function_prologue): Explicit init of n_regs to zero. + (output_function_epilogue): Likewise, and mark arg size as + unused. + (init_cumulative_args): Mark libname and indirect as unused. + (function_arg_pass_by_reference): Likewise for cum and named. + (sparc_builtin_saveregs): Likewise for arglist. + (sparc_flat_eligible_for_epilogue_delay): Likewise for slot. + +Fri Jun 26 06:58:54 1998 Richard Earnshaw (rearnsha@arm.com) + + * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Only need a secondary reload + if reloading a MEM. + + * arm.h (arm_adjust_cost): Renamed bogus prototype from + arm_adjust_code. + (bad_signed_byte_operand): Add prototype. + * arm.c (arm_override_options): Make I unsigned. + (const_ok_for_arm): Add casts to the constants. + (load_multiple_operation): Don't redeclare elt in sub-block. + (arm_gen_movstrqi): Delete external declaration of optimize. + (gen_compare_reg): Declare parameter fp. + + * arm.c (final_prescan_insn): Only initialize scanbody if the insn + has a pattern. + +Fri Jun 26 09:31:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * alpha.c: Include system.h and toplev.h. + (cint8_operand): Mark parameter `mode' with ATTRIBUTE_UNUSED. + (const48_operand): Likewise. + (mode_width_operand): Likewise. + (mode_mask_operand): Likewise. + (mul8_operand): Likewise. + (current_file_function_operand): Likewise. + (signed_comparison_operator): Likewise. + (divmod_operator): Likewise. + (any_memory_operand): Likewise. + (alpha_return_addr): Likewise for parameter `frame'. + (alpha_builtin_saveregs): Likewise for parameter `arglist'. + (vms_valid_decl_attribute_p): Likewise for parameters `decl' and + `attributes'. + (alpha_start_function): Likewise for parameter `decl'. Use + HOST_WIDE_INT_PRINT_DEC in call to fprintf. Fix various format + specifiers. Remove unused variables `lab' and `name'. + (alpha_end_function): Mark parameter `decl' with ATTRIBUTE_UNUSED. + (check_float_value): Likewise for parameter `overflow'. + (alpha_need_linkage): Likewise for parameters `name' and `is_local'. + + * alpha.h (ASM_IDENTIFY_GCC, ASM_IDENTIFY_LANGUAGE): Define as + taking an argument. + (ASM_OUTPUT_SHORT): Cast argument to `int' in call to fprintf. + (ASM_OUTPUT_CHAR): Likewise. + (ASM_OUTPUT_BYTE): Likewise. + (PRINT_OPERAND_ADDRESS): Use HOST_WIDE_INT_PRINT_DEC in call to + fprintf. + (PUT_SDB_EPILOGUE_END): Mention argument `NAME' in definition. + Add prototypes for functions in alpha.c. + + * alpha.md (ashldi3): Add default case in switch. + +1998-06-26 Manfred Hollstein <manfred@s-direktnet.de> + + * Makefile.in (gcc_version, gcc_version_trigger): New macros. + (version): Initialize from $(gcc_version). + + * configure.in (version): Rename to gcc_version. + (gcc_version_trigger): New variable; call AC_SUBST for it and + emit it into the generated config.status. + * configure: Regenerate. + +Thu Jun 25 12:47:41 1998 Mark Mitchell <mark@markmitchell.com> + + * fold-const.c (make_range): Don't go looking at TREE_OPERANDs of + nodes that are not expressions. + +Thu Jun 25 15:08:16 1998 Mark Mitchell <mark@markmitchell.com> + + * invoke.texi (-fstrict-aliasing): Document. + * rtl.texi (MEM_ALIAS_SET): Document. + + * flags.h (flag_strict_aliasing): Declare. + * toplev.c (flag_strict_aliasing): Define. + (f_options): Add -strict-aliasing. + (main): Set flag_strict_aliasing if -O2 or higher. + + * tree.h (tree_type): Add alias_set field. + (TYPE_ALIAS_SET): New macro. + (TYPE_ALIAS_SET_KNOWN_P): Likewise. + (get_alias_set): Declare. + * tree.c (lang_get_alias_set): Define. + (make_node): Initialize TYPE_ALIAS_SET. + (get_alias_set): New function. + * print-tree.c (print_node): Dump the alias set for a type. + + * c-tree.h (c_get_alias_set): Declare. + * c-common.c (c_get_alias_set): New function. + * c-decl.c (init_decl_processing): Set lang_get_alias_set. + + * expr.c (protect_from_queue): Propagate alias sets. + (expand_assignment): Calculate alias set for new MEMs. + (expand_expr): Likewise. + * function.c (put_var_into_stack): Likewise. + (put_reg_into_stack): Likewise. + (gen_mem_addressof): Likewise. + (assign_parms): Likewise. + * stmt.c (expand_decl): Likewise. + * varasm.c (make_decl_rtl): Eliminate redundant clearing of + DECL_RTL. Calculate alias set for new MEMs. + + * rtl.def (REG): Add dummy operand. + (MEM): Add extra operand to store the MEM_ALIAS_SET. + * rtl.h (MEM_ALIAS_SET): New macro. + (gen_rtx_MEM): Declare. + * emit-rtl.c (gen_rtx_MEM): New function. + * gengenrtl.c (sepcial_rtx): Make MEMs special. + + * alias.c (CHECK_ALIAS_SETS_FOR_CONSISTENCY): New macro. + (DIFFERENT_ALIAS_SETS_P): Likewise. + (canon_rtx): Propagate the alias set to the new MEM. + (true_dependence): Check the alias sets. + (anti_dependence): Likewise. + (output_dependence): Likewise. + * explow.c (stabilize): Progoate alias sets. + * integrate.c (copy_rtx_and_substitute): Likewise. + * final.c (alter_subreg): Make sure not to leave MEM_IN_STRUCT_P + in an unpredictable state. Propagate alias sets. + * reload1.c (reload): Clear MEM_ALIAS_SET for new MEMs about which + we have no alias information. + +Thu Jun 25 16:59:18 1998 Andrew MacLeod <amacleod@cygnus.com> + + * except.h (CATCH_ALL_TYPE): Definition moved to eh-common.h. + (find_all_handler_type_matches): Add function prototype. + * eh-common.h (CATCH_ALL_TYPE): Definition added. + * except.c (find_all_handler_type_matches): Add function to find all + runtime type info in the exception table. + (output_exception_table_entry): Special case for CATCH_ALL_TYPE. + +Thu Jun 25 15:47:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * Makefile.in (xcoffout.o): Depend on toplev.h, output.h and dbxout.h. + + * config/fp-bit.c (_fpmul_parts): Move variables `x', `ylow', + `yhigh' and `bit' into the scope in which they are used. + (_fpdiv_parts): Remove unused variables `low', `high', `r0', `r1', + `y0', `y1', `q', `remainder', `carry', `d0' and `d1'. + + * rs6000.c: Move include of output.h below tree.h. Include toplev.h. + (any_operand): Mark unused parameters `op' and `mode' with + ATTRIBUTE_UNUSED. + (count_register_operand): Likewise for parameter `mode'. + (fpmem_operand): Likewise. + (short_cint_operand): Likewise. + (u_short_cint_operand): Likewise. + (non_short_cint_operand): Likewise. + (got_operand): Likewise. + (got_no_const_operand): Likewise. + (non_add_cint_operand): Likewise. + (non_logical_cint_operand): Likewise. + (mask_operand): Likewise. + (current_file_function_operand): Likewise. + (small_data_operand): Likewise for parameters `op' and `mode' but + only when !TARGET_ELF. + (init_cumulative_args): Mark parameters `libname' with + ATTRIBUTE_UNUSED. + (function_arg_pass_by_reference): Likewise for parameters `cum', + `mode' and `named'. + (expand_builtin_saveregs): Likewise for parameter `args'. + (load_multiple_operation): Likewise for parameter `mode'. + (store_multiple_operation): Likewise. + (branch_comparison_operator): Likewise. + (secondary_reload_class): Likewise. + (print_operand): Add parentheses around & operation. + (output_prolog): Mark parameter `size' with ATTRIBUTE_UNUSED. + (output_epilog): Likewise. Cast argument to fprintf to int. + (rs6000_adjust_cost): Mark parameter `dep_insn' with ATTRIBUTE_UNUSED. + (rs6000_valid_decl_attribute_p): Likewise for parameters `decl', + `attributes', `identifier' and `args'. + (rs6000_valid_type_attribute_p): Likewise for parameter `attributes'. + (rs6000_comp_type_attributes): Likewise for parameters `type1' and + `type2'. + (rs6000_set_default_type_attributes): Likewise for parameter `type'. + + * rs6000.h (RTX_COSTS): Add parentheses around & operation. + (toc_section, private_data_section, trap_comparison_operator): Add + prototypes. + + * dbxout.h (dbxout_parms, dbxout_reg_parms, dbxout_syms): Add + prototypes. + + * xcoffout.c: Include toplev.h, outout.h and dbxout.h. + + * xcoffout.h (stab_to_sclass, xcoffout_begin_function, + xcoffout_begin_block, xcoffout_end_epilogue, + xcoffout_end_function, xcoffout_end_block, + xcoff_output_standard_types, xcoffout_declare_function, + xcoffout_source_line): Add prototypes. + +Thu Jun 25 09:54:55 1998 Nick Clifton <nickc@cygnus.com> + + * config/arm/arm.h (REG_ALLOC_ORDER): Add ARG_POINTER_REGNUM, + noticed by grahams@rcp.co.uk. + +Thu Jun 25 11:12:29 1998 Dave Brolley <brolley@cygnus.com> + + * gcc.c (default_compilers): Use new | syntax to eliminate + string concatenation. + +Thu Jun 25 01:00:48 1998 Richard Henderson <rth@cygnus.com> + + * alpha.c (alpha_function_name): Delete. + (alpha_ra_ever_killed): Notice current_function_is_thunk. + (alpha_sa_mask, alpha_sa_size, alpha_does_function_need_gp): Likewise. + (alpha_start_function): Reorg from output_prologue. + (alpha_end_function): Reorg from output_epilogue. + * alpha.h (ASM_DECLARE_FUNCTION_NAME): Call alpha_start_function. + (ASM_DECLARE_FUNCTION_SIZE): New. + (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Delete. + (PROFILE_BEFORE_PROLOGUE): Set. + (ASM_OUTPUT_MI_THUNK): Remove bits now output by start/end_function. + * alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise. + +Thu Jun 25 01:18:47 1998 John Wehle (john@feith.com) + + * i386/freebsd-elf.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Define. + +1998-06-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl> + + * expr.c (expand_assignment): Rework address calculation for structure + field members to expose more invariant computations to the loop + optimizer. + (expand_expr): Likewise. + +Wed Jun 24 22:44:22 1998 Jeffrey A Law (law@cygnus.com) + + * local-alloc.c (block_alloc): Do not try to avoid false dependencies + when SMALL_REGISTER_CLASSES is nonzero. + +Wed Jun 24 17:55:15 1998 Klaus Kaempf <kkaempf@progis.de> + + * alpha.md (call_vms, call_value_vms): Strip leading * from symbol. + +Wed Jun 24 16:27:23 1998 John Carr <jfc@mit.edu> + + * expr.c (get_memory_rtx): New function. + (expand_builtin): Call get_memory_rtx for MEM arguments to builtin + string functions. + + * expmed.c (init_expmed): Initialize all elements of *_cost arrays. + + * optabs.c: Use gen_rtx_FOO (...) instead of gen_rtx (FOO, ...). + * expr.c: Likewise. + * explow.c: Likewise. + * combine.c: Likewise. + * reload1.c: Likewise. + * gcse.c: Likewise. + +Wed Jun 24 15:13:01 1998 Dave Brolley <brolley@cygnus.com> + + * README.gnat: Add patch for new lang_decode_options interface. + +Wed Jun 24 09:14:04 1998 Andrew MacLeod <amacleod@cygnus.com> + + * except.c (start_catch_handler): Do nothing if EH is not on. + +1998-06-24 Manfred Hollstein <manfred@s-direktnet.de> + + * configure.in (gxx_include_dir): Initialize default value depending on + new flag --enable-version-specific-runtime-libs; remove superfluous + default initialization afterwards. + * configure: Regenerate. + +Wed Jun 24 01:32:12 1998 David S. Miller <davem@pierdol.cobaltmicro.com> + + * toplev.c (rest_of_compilation): Revert May 15 change. + +Tue Jun 23 21:27:27 1998 Ken Raeburn <raeburn@cygnus.com> + + * reload.c (find_reloads): Fix check for failure to match any + alternative, to account for Mar 26 change in initial "best" cost. + +Tue Jun 23 16:44:21 1998 Dave Brolley <brolley@cygnus.com> + + * cpplib.c (do_line): Typo broke #line directive. + (cpp_message_from_errno): New function. + (cpp_error_from_errno): Call cpp_message_from_errno. + * cpplib.h (cpp_message_from_errno): New function. + +Tue Jun 23 13:38:18 1998 Andrew MacLeod <amacleod@cygnus.com> + + * libgcc2.c (__get_eh_table_version, __get_eh_table_language): New + functions to return exception descriptor information. + (find_exception_handler): Pass match_info field to runtime matcher, + not a descriptor table entry. + +Tue Jun 23 09:30:58 1998 Dave Love <d.love@dl.ac.uk> + + * cpp.texi, gcc.texi: Add @dircategory, @direntry meant to + accompany previous Makefile.in (install-info) change. + +Tue Jun 23 10:06:07 1998 Andrew MacLeod <amacleod@cygnus.com> + + * eh-common.h (struct __eh_info): Remove coerced value field. + * libgcc2.c (find_exception_handler): Don't set coerced_value field. + * except.c (get_dynamic_handler_chain, get_dynamic_cleanup_chain): Use + POINTER_SIZE instead of Pmode. + (expand_start_all_catch): Call start_catch_handler() if we are not + using new style exceptions. + +Tue Jun 23 06:45:00 1998 Catherine Moore <clm@cygnus.com> + + * varasm.c (assemble_variable): Remove reference to warn_bss_align. + +Mon Jun 22 23:57:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com> + + * config/sparc/sparc.md (zero_extendhidi2, extendhisi2, + extendqihi2, extendqisi2, extendqidi2, extendhidi2, adddi3, + subdi3, negdi2, call, call_value, untyped_return, nonlocal_goto, + splits and peepholes): Change remaining generic gen_rtx calls to + specific genrtl ones. + * config/sparc/sparc.c: Likewise. + +Mon Jun 22 22:21:46 1998 Richard Henderson <rth@cygnus.com> + + * gcc.c (handle_braces): Recognize | between options as an or. + +Mon Jun 22 23:13:47 1998 John Wehle (john@feith.com) + + * i386/freebsd-elf.h (JUMP_TABLES_IN_TEXT_SECTION): Define as flag_pic. + * i386/sysv4.h (JUMP_TABLES_IN_TEXT_SECTION): Define as flag_pic. + + * i386.md (exception_receiver): Define. + +Mon Jun 22 12:01:48 1998 Jim Wilson <wilson@cygnus.com> + + * Makefile.in (PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, + PROTOIZE_CROSS_NAME, UNPROTOIZE_CROSS_NAME): New variables. + (install-common): Use them. + + * gcse.c (add_label_notes): New function. + (pre_insert_insn): Call it. + * unroll.c (unroll_loop): Look for insns with a REG_LABEL note, and + pass the label to set_label_in_map. + +Mon Jun 22 19:01:14 1998 Dave Love <d.love@dl.ac.uk> + + * Makefile.in (install-info): Fix typpo in previous change. + +Mon Jun 22 11:10:00 1998 Catherine Moore <clm@cygnus.com> + + * varasm.c (assemble_variable): Emit alignment warning. + +Mon Jun 22 08:18:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * Makefile.in (varasm.o): Depend on sdbout.h. + (sdbout.o): Depend on toplev.h. + + * collect2.c (scan_prog_file): Cast fprintf argument to `long' and + use %ld specifier. + + * final.c (shorten_branches): Cast first arg of `bzero' to char *. + + * genextract.c (main): When creating insn-extract.c, mark variable + `i' with ATTRIBUTE_UNUSED. + + * genpeep.c (main): When creating insn-peep.c, mark variables + `insn', `x' and `pat' with ATTRIBUTE_UNUSED. + + * objc/init.c (__objc_tree_print): Wrap function definition in + macro `DEBUG'. + + * objc/objc-act.c (encode_array): Cast sprintf argument to `long' + and use %ld specifier. + (adorn_decl): Likewise, twice. + + * reload1.c (reload_cse_regs): Cast first arg of `bzero' to char *. + + * sdbout.c: Include output.h and toplev.h. + (PUT_SDB_INT_VAL): Use HOST_WIDE_INT_PRINT_DEV to print argument + `a'. Cast `a' to HOST_WIDE_INT to force it to always be so. + (PUT_SDB_SIZE): Likewise. + + * sdbout.h (sdbout_mark_begin_function): Add prototype. + + * stmt.c (check_for_full_enumeration_handling): Cast argument of + `warning' to long and use %ld specifier. + + * toplev.c (main): Likewise for `fprintf'. + + * toplev.h (output_file_directive): Add prototype. + + * unroll.c (unroll_loop): Use HOST_WIDE_INT_PRINT_DEC specifier in + call to `fprintf'. + (precondition_loop_p): Likewise. + + * varasm.c Include sdbout.h. + (assemble_static_space): Move sometimes-unused variable `rounded' + into the scope in which it is used. + + * mips.c (gpr_mode): Don't say `static' twice. + + * cpplib.c (cpp_handle_option): Don't pass unneeded NULL to cpp_fatal. + + * objc/objc-act.c (init_selector): Hide prototype and definition. + + * optabs.c (gen_cond_trap): Remove unused variable `icode'. + + * regmove.c (copy_src_to_dest): Likewise for `i'. + + * mips-tfile.c (add_local_symbol): Cast width format specifier to int. + (add_ext_symbol): Likewise. + (add_file): Likewise. + (parse_def): Likewise. + (write_varray): Use HOST_PTR_PRINTF to print a pointer. Fix + remaining format specifiers and arguments. + (write_object): Likewise, several times. + (read_seek): Likewise. + (out_of_bounds): Likewise. + (allocate_cluster): Likewise. + (xmalloc): Likewise. + (xcalloc): Likewise. + (xrealloc): Likewise. + (xfree): Likewise. + + * mips-tdump.c (print_symbol): Likewise. + +Sun Jun 21 17:05:34 1998 Dave Love <d.love@dl.ac.uk> + + * Makefile.in (install-info): Use install-info program if + available, per GNU standard. + +Sun Jun 21 18:56:44 1998 Jeffrey A Law (law@cygnus.com) + + * invoke.texi: Document -mrelax for the mn10300 and mn10200. + + * basic-block.h (init_regset_vector): Delete declaration. + * flow.c (init_regset_vector): Make it static and add a prototype. + + * bitmap.h (debug_bitmap): Declare. + + * haifa-sched.c (debug_ready_list): Make static. + + * toplev.h (fancy_abort): Declare. + +Sun Jun 21 18:30:13 1998 H.J. Lu (hjl@gnu.org) + + * basic-block.h (init_regset_vector): New declaration. + + * Makefile.in (sdbout.o): Add insn-codes.h to dependency. + + * global.c: Include machmode.h amd move hard-reg-set.h before + rtl.h. + + * haifa-sched.c (insn_issue_delay, birthing_insn_p, + adjust_priority, print_insn_chaino): New declaration. + (schedule_insns): Remove declaration. + (init_target_units, get_visual_tbl_length, + init_block_visualization): Add prototype. + + * integrate.c (pushdecl, poplevel): Remove declaration. + + * rtl.h (expand_expr): Remove declaration. + + * loop.c (oballoc): Remove declaration. + (replace_call_address): Add prototype. + +Sun Jun 21 01:08:17 1998 Jeff Law (law@cygnus.com) + + * version.c: Bump for snapshot. + +Sun Jun 21 01:16:38 1998 John Wehle (john@feith.com) + + * i386.c (output_fp_conditional_move): Don't bother handling + (cc_prev_status.flags && CC_NO_OVERFLOW) since the INSN patterns + prevent this from happening. + + * i386.md (nonlocal_goto_receiver): Delete. + +Sun Jun 21 00:42:20 1998 H.J. Lu (hjl@gnu.org) + + * Makefile.in (crtbeginS.o, crtendS.o): Add -fno-exceptions and + -DCRTSTUFFS_O. + (INSTALL): cd $(srcdir) before make. + + * flow.c (allocate_for_life_analysis, init_regset_vector): + Remove declaration. + + * function.h (get_first_block_beg): New declaration. + + * gbl-ctors.h (__do_global_dtors): Add prototype. + + * gcov-io.h (__fetch_long): New declaration. + (__store_long): Likewise. + (__read_long): Likewise. + (__write_long): Likewise. + + * gcov.c (print_usage): New declaration. + + * Makefile.in (c-iterate.o): Depend on insn-codes.h too. + +Sat Jun 20 00:36:16 1998 Jeffrey A Law (law@cygnus.com) + + * calls.c (expand_call): Initialize "src" and "dest". + * stmt.c (expand_return): Likewise. + * expmed.c (extract_split_bit_field): Similarly for "result" + * gcse.c (compute_hash_table): Mark first arg as unused. + * jump.c (jump_optimize): Initialize reversep. + * tree.c (make_node): Initialize length. + + * c-common.c (check_format_info): Initialize length_char and + fci to keep -Wall quiet. + + * except.c (jumpif_rtx): Put declaration and definition + inside a suitable #ifdef. + (jumpifnot_rtx): Delete dead function. + + * i386.h (output_int_conditional_move): Declare. + (output_fp_conditional_move): Likewise. + (ix86_can_use_return_insn_p): Likewise. + + * optabs.c (init_traps): Put prototype inside a suitable #ifdef. + +Sat Jun 20 00:27:40 1998 Graham <grahams@rcp.co.uk> + + * alias.c: Include toplev.h. + * caller-save.c: Include toplev.h. + * combine.c: Include toplev.h. + * flow.c Include toplev.h. + * global.c: Include toplev.h. + * jump.c: Include toplev.h. + * local-alloc.c: Include toplev.h. + * loop.c: Include toplev.h. + * regmove.c: Include toplev.h. + * stupid.c: Include toplev.h. + * unroll.c: Include toplev.h. + * Makefile.in: Add toplev.h dependencies. + +Fri Jun 19 22:40:25 1998 Jason Merrill <jason@yorick.cygnus.com> + + * regmove.c (copy_src_to_dest): Add decl for loop_depth. + + * svr4.h (ASM_GENERATE_INTERNAL_LABEL): Cast arg to unsigned. + * dwarf2out.c (ASM_OUTPUT_DWARF_DATA1): Likewise. + Add parens to various macros. + +Fri Jun 19 23:22:42 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de> + + * c-typeck.c (pop_init_level): Warn about implicit zero initialization + of struct members. + +Fri Jun 19 23:06:33 1998 Jason Merrill <jason@yorick.cygnus.com> + + * varasm.c (assemble_start_function): Add weak_global_object_name. + * tree.c (get_file_function_name): Use it. + +Fri Jun 19 22:55:14 1998 Jeffrey A Law (law@cygnus.com) + + * except.c (jumpif_rtx): Make static and add prototype. + (jumpifnot_rtx): Likewise. + + * README.gnat: Add a build patch from Fred Fish. + + * c-lang.c (GNU_xref_begin, GNU_xref_end): Deleted. + + * Makefile.in (c-iterate.o): Depend on expr.h. + +Fri Jun 19 20:38:34 1998 H.J. Lu (hjl@gnu.org) + + * except.h (emit_unwinder, end_eh_unwinder): Removed. + + * dwarfout.c (getpwd): Add prototype. + (is_pseudo_reg, type_main_variant, is_tagged_type, + is_redundant_typedef): New declaration. + (output_decl): Add prototype for FUNC. + (type_main_variant): Make it static. + (is_tagged_type): Likewise. + (is_redundant_typedef): Likewise. + + * expr.c (do_jump_by_parts_greater_rtx): Removed. + (truthvalue_conversion): Likewise. + + * c-iterate.c: Include "expr.h". + (expand_expr): Use proper values when calling the function. + + * explow.c (emit_stack_save): Add prototype for FCN. + (emit_stack_restore): Likewise. + + * dwarf2out.c (getpwd): Add prototype. + + * dwarf2out.h (debug_dwarf, debug_dwarf_die): New declarations. + + * c-typeck.c (c_expand_asm_operands): Use proper values when calling + expand_expr. + + * c-lex.c (yyprint): Add prototype. + (check_newline, build_objc_string): Remove declaration. + + * c-tree.h (comptypes_record_hook): Removed. + (finish_incomplete_decl): New prototype. + + * alias.c (find_base_value): Add prototype. + (true_dependence): Add prototype for function argument. + + * c-aux-info.c (xmalloc): Remove declaration. + +Fri Jun 19 20:23:05 1998 Robert Lipe <robertl@dgii.com> + + * i386.c: Include system.h. Remove redundant includes. + (optimization_options): Mark param 'size' with ATTRIBUTE_UNUSED. + (i386_cc_probably_useless_p): Likewise for 'decl', 'attributes', + 'identifier', 'args'. + (i386_valid_type_attribute_p): Likewise for 'attributes'. + (i386_comp_type_attribute_p): Likewise for 'type1', 'type2'. + (function_arg_partial_nregs): Likewise for 'cum', 'mode', 'type', + and 'named'. + (symbolic_operand): Likewise for 'mode'. + (call_insn_operand): Likewise. + (expander_call_insn_operand): Likewise. + (ix86_logical_operator): Likewise. + (ix86_binary_operator_ok): Likewise. + (emit_pic_move): Likewise. + (VOIDmode_compare_op): Likewise. + (is_mul): Likewise. + (str_immediate_operand): Likewise. + (ix86_uary_operator_ok): Likewise for 'code', 'mode', and 'operands'.yy + (asm_output_function_prefix): Likewise for 'name'. + (function_prologue): Likewise for 'file', and 'size'. + (function_epilogue): Likewise. + +1998-06-19 Jim Wilson <wilson@cygnus.com> + + * loop.h (struct induction): Clarify comment for unrolled field. + * unroll.c (find_splittable_givs): Move set of unrolled field + after address validity check. + +Fri Jun 19 18:38:04 1998 Michael Meissner <meissner@cygnus.com> + + * config/fp-bit.c (INLINE): Only define if not already defined. + +1998-06-19 Manfred Hollstein <manfred@s-direktnet.de> + + * Makefile.in (installdirs): Loop over directories in $(libsubdir) + creating probably missing ones, instead of single if statements. + +Fri Jun 19 10:43:52 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> + + * c-common.c (truthvalue_conversion): Protect side effects in the + expression when splitting a complex value. + * fold-const.c (fold): Likewise. + +Fri Jun 19 02:31:16 1998 Klaus Kaempf (kkaempf@progis.de) + + * cccp.c (hack_vms_include_specification): Rewrite to handle + '#include <dir/file.h>' correctly. + +Fri Jun 19 02:24:11 1998 H.J. Lu (hjl@gnu.org) + + * config/i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Defined. + +Fri Jun 19 02:10:10 1998 John Wehle (john@feith.com) + + * i386.c (notice_update_cc): Integer conditional moves don't + affect cc0. + + * i386.md (movsfcc, movdfcc, movxfcc): Use emit_store_flag + to support LT, LE, GE, and GT signed integer comparisons. + (movsfcc+1, movsfcc+2, movdfcc+1, movdfcc+2, + movxfcc+1, movxfcc+2): Pattern doesn't match if the comparison + is LT, LE, GE, or GT. + (movdicc): Remove code resulting from an earlier patch which + didn't apply correctly. + +Fri Jun 19 02:00:19 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * reload1.c (reload_cse_regno_equal_p): If -ffloat-store, don't + consider a MEM in FP mode as equal. + +Fri Jun 19 01:02:17 1998 Jeffrey A Law (law@cygnus.com) + + * c-decl.c (duplicate_decls): Avoid setting TREE_ASM_WRITTEN for + duplicate declarations of a function. + +Fri Jun 19 00:33:33 1998 H.J. Lu (hjl@gnu.org) + + * config/float-i386.h: New. + + * configure.in (i[34567]86-*-linux-*): Set float_format to i386. + +Thu Jun 18 20:11:00 1998 Jim Wilson <wilson@cygnus.com> + + * sched.c (schedule_insns): Use xmalloc not alloca for max_uid + indexed arrays. Call free at the end of the function for them. + * haifa-sched.c (schedule_insns): Likewise. + +Thu Jun 18 18:16:01 1998 Jim Wilson <wilson@cygnus.com> + + * dwarf2out.c (size_of_string): Do count backslashes. + +Thu Jun 18 11:43:54 1998 Nick Clifton <nickc@cygnus.com> + + * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Disallow REG+REG + addressing when one register is the frame pointer or stack + pointer. Disallow REG+CONST addressing in HI mode. + +Thu Jun 18 17:30:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * reload.c (find_reloads): Don't narrow scope of RELOAD_OTHER to + RELOAD_FOR_INSN. + +Thu Jun 18 09:36:50 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * Makefile.in (c-lang.o): Depend on output.h. + + * c-lang.c: Include output.h. + + * sparc.c (sparc_builtin_saveregs): Remove unused variable `fntype'. + + * except.c (expand_builtin_eh_stub): Likewise for variable `jump_to'. + + * genrecog.c (write_subroutine): When writing insn-recog.c, mark + variables `insn', `pnum_clobbers', `x[0 .. max_depth]' and `tem' + with ATTRIBUTE_UNUSED. + + * regmove.c (copy_src_to_dest): Make function static to match its + prototype. + + * reload1.c Include hard-reg-set.h before rtl.h to get macro + HARD_CONST. Include machmode.h before hard-reg-set.h. + + * rtl.h: Prototype `retry_global_alloc' and wrap with macro + HARD_CONST to protect usage of typedef HARD_REG_SET. + + * tree.c: Prototype `_obstack_allocated_p'. + + * varasm.c: Wrap prototype of `asm_output_aligned_bss' in macro + BSS_SECTION_ASM_OP. + +Thu Jun 18 09:20:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * pa.c: Include system.h and toplev.h. Remove redundant code. + (call_operand_address): Mark parameter `mode' with ATTRIBUTE_UNUSED. + (symbolic_operand): Likewise. + (symbolic_memory_operand): Likewise. + (pic_label_operand): Likewise. + (fp_reg_operand): Likewise. + (pre_cint_operand): Likewise. + (post_cint_operand): Likewise. + (ireg_or_int5_operand): Likewise. + (int5_operand): Likewise. + (uint5_operand): Likewise. + (int11_operand): Likewise. + (uint32_operand): Likewise. + (ior_operand): Likewise. + (lhs_lshift_cint_operand): Likewise. + (pc_or_label_operand): Likewise. + (legitimize_pic_address): Likewise. + (hppa_legitimize_address): Likewise for parameter `old'. + (output_block_move): Likewise for parameter `size_is_constant'. + (output_function_prologue): Likewise for parameter `size'. + (output_function_epilogue): Likewise. + (return_addr_rtx): Likewise for parameter `count'. + (output_mul_insn): Likewise for parameter `unsignedp'. + (hppa_builtin_saveregs): Likewise for parameter `arglist'. + (output_bb): Likewise for parameter `operands'. + (output_bvb): Likewise. + (function_label_operand): Likewise for parameter `mode'. + (plus_xor_ior_operator): Likewise. + (shadd_operand): Likewise. + (non_hard_reg_operand): Likewise. + (eq_neq_comparison_operator): Likewise. + (movb_comparison_operator): Likewise. + (pa_combine_instructions): Likewise for parameter `insns'. + + * pa.h: Add prototypes for functions `output_deferred_plabels', + `override_options', `output_ascii', `output_function_prologue', + `output_function_epilogue', `print_operand', + `symbolic_expression_p', `reloc_needed', `compute_frame_size', + `hppa_address_cost', `and_mask_p', `symbolic_memory_operand', + `pa_adjust_cost', `pa_adjust_insn_length' and + `secondary_reload_class'. + +Wed Jun 17 22:28:48 1998 Jason Merrill <jason@yorick.cygnus.com> + + * configure.in: Don't turn on collect2 unconditionally. + +Wed Jun 17 20:20:48 1998 Mark Mitchell <mark@markmitchell.com> + + * cse.c (cse_basic_block): Don't include NOTE insns in the count + that is used to decide whether or not it is time to erase the + equivalence table. + +Wed Jun 17 18:30:43 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com> + + * rs6000/linux.h (JUMP_TABLES_IN_TEXT_SECTION): Define to zero. + +Wed Jun 17 19:05:03 1998 John Carr <jfc@mit.edu> + + * haifa-sched.c (haifa_classify_insn): TRAP_IF is risky. + (sched_analyze_2): Allow scheduling TRAP_IF. + + * reorg.c (mark_referenced_resources): Examine operands of TRAP_IF. + + * rtl.h (TRAP_CODE): New macro. + + * rtl.def (TRAP_IF): Change second operand type to rtx. + + * optabs.c (gen_cond_trap): New function. + (init_traps): New function. + (init_optabs): Call init_traps. + * expr.h: Declare gen_cond_trap. + + * jump.c (jump_optimize): Optimize jumps to and around traps. + + * sparc.md: Define trap instructions. + + * rs6000.md: Define trap instructions. + * rs6000.c (print_operand): New code 'V' for trap condition. + (trap_comparison_operator): New function. + + * m88k.md: Update use of TRAP_IF. + + * tree.h (enum built_in_function): New function code BUILT_IN_TRAP. + * c-decl.c (init_decl_processing): New builtin __builtin_trap. + * expr.c (expand_builtin): Handle BUILT_IN_TRAP. + + * expr.c (expand_builtin): Error if __builtin_longjmp second argument + is not 1. + +Wed Jun 17 15:20:00 1998 Catherine Moore <clm@cygnus.com> + + * reload1.c (spill_hard_reg): Check mode of register when + spilling from scratch_list. + +Wed Jun 17 16:25:38 1998 Andrew MacLeod (amacleod@cygnus.com) + + * except.c (add_new_handler): Fix bug in finding last region handler. + * libgcc2.c (find_exception_handler): Pass exception table pointer + to runtime type matcher, not the match info field. + +Wed Jun 17 15:57:48 1998 Andrew MacLeod (amacleod@cygnus.com) + + * eh-common.h (struct eh_context): Add comment for hidden use of + field dynamic_handler_chain. + * except.c (get_dynamic_handler_chain): Comment on, and use the + correct offset of the dynamic_handler_chain field. + +1998-06-17 Jim Wilson <wilson@cygnus.com> + + * mips/iris6.h (LINK_SPEC): Add -woff 131. + +1998-06-17 Jason Merrill <jason@yorick.cygnus.com> + + * dwarf2out.c: Disable EH_FRAME_SECTION if we don't have .init. + + * configure.in: Don't disable collect2 when we have GNU ld. + +Wed Jun 17 08:38:13 1998 Jeffrey A Law (law@cygnus.com) + + * fold-const.c (make_range): Do not widen the type of the expression. + + * expr.c (check_max_integer_computation_mode): New function. + (expand_expr): Avoid integer computations in modes wider than + MAX_INTEGER_COMPUTATION_MODE. + * fold-const.c (fold): Likewise. + * tree.h (check_max_integer_computation_mode): Declare. + * tm.texi (MAX_INTEGER_COMPUTATION_MODE): Document it. + + * configure.in (nm): Make a link to "nm" in the build tree too. + + * mn10300.md (andsi3): Fix typo. + +Tue Jun 16 22:58:40 1998 Richard Henderson <rth@cygnus.com> + + * reload1.c (reload_cse_regs): Call bzero instead of looping. + +Tue Jun 16 18:30:35 1998 Jim Wilson <wilson@cygnus.com> + + * dwarf2out.c (stripattributes): Prepend '*' to the section name. + +Tue Jun 16 16:49:26 1998 Richard Henderson <rth@cygnus.com> + + * alpha.c (alpha_expand_prologue, alpha_expand_epilogue): New fns. + (output_prologue, output_epilogue): Merge VMS and OSF versions; + Remove anything related to the actual code generation. + (output_end_prologue): New function. + (alpha_sa_mask, alpha_sa_size): Merge VMS and OSF versions. + (alpha_does_function_need_gp): Return false for VMS. + (alpha_function_needs_gp): Make static. + (add_long_const): Delete. + (summarize_insn): Don't assume a SUBREG is of a REG. + Prototype all static functions. Rename VMS-specific global + variables vms_*. + * alpha.h (TARGET_CAN_FAULT_IN_PROLOGUE): Default to 0. + (FUNCTION_BOUNDARY): Align to cache line. + (LOOP_ALIGN, ALIGN_LABEL_AFTER_BARRIER): Align to octaword. + (FUNCTION_END_PROLOGUE): New macro. + * alpha.md (attribute length): New. Mark all insns. + (return_internal, prologue_stack_probe_loop): New patterns. + (prologue, init_fp, epilogue): New patterns. + Disable peepholes. + * linux.h (TARGET_CAN_FAULT_IN_PROLOGUE): Define. + +Tue Jun 16 17:36:35 1998 Dave Brolley <brolley@cygnus.com> + + * toplev.c (lang_options): Add -trigraphs option for cpplib. + +Tue Jun 16 23:33:24 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * reload1.c (reload_reg_free_before_p): RELOAD_FOR_OUTADDR_ADDRESS + is earlier than RELOAD_FOR_OUTPUT_ADDRESS; RELOAD_FOR_INPADDR_ADDRESS + is earlier than RELOAD_FOR_INPUT_ADDRESS. + +Tue Jun 16 13:15:16 1998 Jim Wilson <wilson@cygnus.com> + + * libgcc1-test.c (memcpy): Define. + +Tue Jun 16 13:44:02 1998 Michael Meissner <meissner@cygnus.com> + + * genattrtab.c (struct attr_desc): Change int flags to bit + fields. Add bit fields for this being function_units_used + or *_blockage_range attributes. + (write_unit_name): New function to print a function unit name + given unit #. + (expand_units): Indicate whether this is function_units_used or + *_blockage_range attributes. + (write_toplevel_expr): Print function_units_used and + *_blockage_range attributes in a more friendly fashion. + (make_internal_attr): Indicate whether this attribute is either + function_units_used or *_blockage_range. + +Mon Jun 15 17:06:43 1998 Michael Meissner <meissner@cygnus.com> + Jim Wilson <wilson@cygnus.com> + + * regmove.c (copy_src_to_dest): Do not copy src to dest if either + the source or destination is special. + +Mon Jun 15 13:20:33 1998 Jim Wilson <wilson@cygnus.com> + + * c-decl.c (shadow_tag_warned): Use specs not declspecs in for loop. + +Mon Jun 15 07:16:29 1998 Jeff Law (law@cygnus.com) + + * version.c: Bump for snapshot. + +Sat Jun 13 13:10:40 1998 Krister Walfridsson <cato@df.lth.se> + + * config/sparc/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Undefine before + redefining it. + +Fri Jun 12 18:06:45 1998 Doug Evans <devans@egcs.cygnus.com> + + * m32r/m32r.h (STARTFILE_SPEC): Delete crtsysc.o. + (ENDFILE_SPEC): Add -lgloss. + +Fri Jun 12 14:57:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * mips.c (small_int): Mark parameter `mode' with ATTRIBUTE_UNUSED. + (large_int): Likewise. + (pc_or_label_operand): Likewise. + (call_insn_operand): Likewise. + (consttable_operand): Likewise. + (m16_uimm3_b): Likewise. + (m16_simm4_1): Likewise. + (m16_nsimm4_1): Likewise. + (m16_simm5_1): Likewise. + (m16_nsimm5_1): Likewise. + (m16_uimm5_4): Likewise. + (m16_nuimm5_4): Likewise. + (m16_simm8_1): Likewise. + (m16_nsimm8_1): Likewise. + (m16_uimm8_1): Likewise. + (m16_nuimm8_1): Likewise. + (m16_uimm8_m1_1): Likewise. + (m16_uimm8_4): Likewise. + (m16_nuimm8_4): Likewise. + (m16_simm8_8): Likewise. + (m16_nsimm8_8): Likewise. + (m16_usym8_4): Likewise. + (m16_usym5_4): Likewise. + (mips_move_1word): Change type of variable `i' from int to size_t. + (mips_move_2words): Likewise. + (output_block_move): Mark parameter `libname' with ATTRIBUTE_UNUSED. + (function_arg_advance): Use HOST_PTR_PRINTF to print an address. + (function_arg): Likewise. + (function_arg_partial_nregs): Mark parameter `named' with + ATTRIBUTE_UNUSED. + (override_options): Use ISDIGIT instead of isdigit. + (mips_output_external): Mark parameter `file' with ATTRIBUTE_UNUSED. + (final_prescan_insn): Likewise for parameters `opvec' and `noperands'. + (save_restore_insns): Cast HOST_WIDE_INT arguments passed to + function `fatal' to long before printing. Use + HOST_WIDE_INT_PRINT_DEC in fprintf. Both changes done several + times in this function. + (function_prologue): Mark parameter `size' with ATTRIBUTE_UNUSED. + (function_epilogue): Likewise for parameters `file' and `size'. + Print an int with "%d" not "%ld". + (mips_select_rtx_section): Mark parameter `x' with ATTRIBUTE_UNUSED. + (mips_function_value): Likewise for parameter `func'. + (function_arg_pass_by_reference): Likewise for parameters `cum' + and `named'. + (extend_operator): Likewise for parameter `mode' + (highpart_shift_operator): Likewise. + + * mips.md (mul_acc_si): Remove unused variable `macc'. + +Fri Jun 12 09:33:44 1998 Richard Henderson <rth@cygnus.com> + + * fold-const.c (fold): Revert last change. It breaks constant + expressions somehow. + +Fri Jun 12 10:23:36 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> + + * expr.c (do_jump, case EQ_EXPR, NE_EXPR): When comparing complex + prevent operands from being evaluated twice. + +Fri Jun 12 00:50:27 1998 Sergey Okhapkin <sos@prospect.com.ru> + + * toplev.c (lang_options): Add -remap as a preprocessor option. + +Fri Jun 12 00:30:32 1998 John Wehle (john@feith.com) + + * i386.md (cmpsi_1, cmphi_1, cmpqi_1): Remove code + which set CC_REVERSED since reload should ensure that + the operands are already the correct type. + +Thu Jun 11 17:14:15 1998 Jim Wilson <wilson@cygnus.com> + + * except.c (expand_builtin_eh_stub): Call emit_move_insn rather than + calling gen_rtx_SET. + +Thu Jun 11 18:45:49 1998 David Edelsohn <edelsohn@mhpcc.edu> + + * config/rs6000/x-aix43 (AR): Delete. + (AR_FOR_TARGET_FLAGS): Add -X32_64 here. + +Thu Jun 11 16:19:17 1998 David W. Schuler <schuld@btv.ibm.com> + + * config/i386/aix386ng.h (CPP_SPEC): Remove extraneous quote. + +Thu Jun 11 12:40:27 1998 Jim Wilson <wilson@cygnus.com> + + * mips.c (override_options): Replace word_mode with explicit + TARGET_64BIT check. + +Thu Jun 11 14:50:02 1998 Michael Meissner <meissner@cygnus.com> + + * regmove.c (regmove_optimize): If we can't replace the + destination in an insn that sets the source, generate an explicit + move of the source to the destination. + (copy_src_to_dest): New function. + (toplevel): Include basic-block.h. + + * Makefile.in (regmove.o): Add basic-block.h dependencies. + +Thu Jun 11 10:30:09 1998 Dave Brolley <brolley@cygnus.com> + + * toplev.c (lang_options): Add missing options (nostdinc, idirafter). + +Wed Jun 10 23:39:32 1998 Mark Mitchell <mark@markmitchell.com> + + * rtl.h (rtx_def): Improve documentation. + (MEM_IN_STRUCT_P): Likewise. + +Wed Jun 10 23:23:17 1998 Graham <grahams@rcp.co.uk> + + * c-decl.c (start_decl): Correct test for -Wmain. + + * c-decl.c (grokdeclarator): Remove unused variable "last". + +Wed Jun 10 14:52:27 1998 Jim Wilson <wilson@cygnus.com> + + * expr.c (expand_builtin_setjmp): Store const1_rtx in target. + (expand_builtin_longjmp): Abort if value isn't const1_rtx. + Delete code storing value in static_chain_rtx. + (expand_builtin, case BUILT_IN_LONGJMP): Pass NULL_RTX for target + to second expand_expr call. + +Wed Jun 10 13:08:41 1998 Mark Mitchell <mark@markmitchell.com> + + * mips/mips.c: Remove -mabi=o32 and -mabi=n64. + +Wed Jun 10 13:41:23 1998 Dave Brolley <brolley@cygnus.com> + + * cppmain.c (fatal): New function. + * configure.in (cpp_main): New configuration variable. + * configure: Regenerated. + * Makefile.in (CCCP): Use a configuration variable to select basex + for cccp. + (cppmain$(exeext)): Add @extra_cpp_objs@. + +Wed Jun 10 13:07:02 1998 Dave Brolley <brolley@cygnus.com> + + * objc/objc-act.c: Add cpplib declarations. + (lang_decode_option): Initialize cpplib if necessary. + (lang_decode_option): New argc/argv interface. + * tree.h (lang_decode_option): New argc/argv interface. + * toplev.c (lang_options): Add cpp options. + (main): New interface for lang_decode_option. + * gcc.c (default_compilers): Don't call cpp for a cpplib-enabled C compiler + unless -E, -M or -MM is specified. + * cpplib.h (cpp_handle_option): New function. + * cpplib.c (cpp_handle_option): New function. + (cpp_handle_options): Now calls cpp_handle_option. + * c-tree.h (c_decode_option): New argc/argv interface. + * c-lex.c (init_parse): cpplib now initialized in c_decode_option. + * c-lang.c (lang_decode_option): New argc/argv interface. + * c-decl.c: Add cpplib declarations. + (c_decode_option): New argc/argv interface. + (c_decode_option): Call cpp_handle_option. + (c_decode_option): Now returns number of strings processed. + +Wed Jun 10 09:47:13 1998 Richard Earnshaw (rearnsha@arm.com) + + * unroll.c (verify_addresses): Use validate_replace_rtx to undo the + changes. Abort if the undo fails. + +1998-06-10 Vladimir N. Makarov <vmakarov@cygnus.com> + + * config/rs6000/rs6000.c (output_prolog): Change locations and + directions of saving and restoring arguments of main on the stack. + +Wed Jun 10 08:56:27 1998 John Carr <jfc@mit.edu> + + * reload1.c (reload_cse_simplify_operands): Do not call gen_rtx_REG + for each alternative. Do not replace a CONST_INT with a REG unless + the reg is cheaper. + +Wed Jun 10 02:11:55 1998 Jeffrey A Law (law@cygnus.com) + + * decl.c (init_decl_processing): Fix typo. + + * mips.c (gpr_mode): New variable. + (override_options): Initialize gpr_mode. + (compute_frame_size): Use "gpr_mode" instead of "word_mode" to + determine size and offset of general purpose registers save slots. + (save_restore_insns, mips_expand_prologue): Similarly. + + * reload.c (find_reloads_toplev): Use gen_lowpart common to convert + between constant representations when we have (SUBREG (REG)) with + REG equivalent to a constant. + +Wed Jun 10 01:39:00 1998 Juha Sarlin <juha@c3l.tyreso.se> + + * h8300.c (get_shift_alg): Add special cases for shifts of 8 and 24. + +Tue Jun 9 22:05:34 1998 Richard Henderson <rth@cygnus.com> + + * fold-const.c (fold): Even with otherwise constant trees, look for + opportunities to combine integer constants. + +Wed Jun 3 23:41:24 1998 John Wehle (john@feith.com) + + * i386.c (notice_update_cc): Clear cc_status.value2 in the + case of UNSPEC 5 (bsf). + + * i386.md (movsfcc, movdfcc, movxfcc): The floating point + conditional move instructions don't support signed integer + comparisons. + +Tue Jun 9 14:31:19 1998 Nick Clifton <nickc@cygnus.com> + + * config/v850/t-v850 (TCFLAGS): Add assembler options to warn of + overflows. + + * config/v850/lib1funcs.asm (__return_interrupt): Use 'addi + 16,sp,sp' ratehr than 'add 16,sp'. Patch courtesy of Biomedin + <glctr@abc.it>. + +Tue Jun 9 16:23:13 1998 Andrew MacLeod <amacleod@cygnus.com> + + * except.c (expand_start_catch): Rename to start_catch_handler. + (expand_end_catch): Delete function. + (expand_end_all_catch): Remove catch status that expand_end_catch + use to do. + * except.h (expand_start_catch): Rename prototype. + (expand_end_catch): Delete prototype. + +Tue Jun 9 12:57:32 1998 Mark Mitchell <mark@markmitchell.com> + + * invoke.texi: Add documentation for -mips4 and -mabi=*. + +Tue Jun 9 12:12:34 1998 Klaus Kaempf (kkaempf@progis.de) + + * alpha/vms.h (EXTRA_SECTIONS): Add in_ctors and in_dtors. + (EXTRA_SECTION_FUNCTIONS): Add ctors_section and dtors_section. + (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define. + +Tue Jun 9 12:10:27 1998 John Carr <jfc@mit.edu> + + * haifa-sched.c (update_flow_info): Use UNITS_PER_WORD, not MOVE_MAX, + as the threshold to permit splitting memory operations. + +Tue Jun 9 12:36:16 1998 Jeffrey A Law (law@cygnus.com) + + * mips.c (gpr_mode): New variable. + (override_options): Initialize gpr_mode. + (compute_frame_size): Use "gpr_mode" instead of "word_mode" to + determine size and offset of general purpose registers save slots. + (save_restore_insns, mips_expand_prologue): Similarly. + + * Makefile.in (LIB2FUNCS_EH): Define. Just "_eh" for now. + (LIBGCC2_CFLAGS): Remove -fexceptions. + (LIB2FUNCS): Remove "_eh". + (libgcc2.a): Iterate over LIB2FUNCS_EH and build everything in + it with -fexceptions. + + * Makefile.in (local-alloc.o): Depend on insn-attr.h. + * local-alloc.c (block_alloc): Avoid creating false + dependencies for targets which use instruction scheduling. + +Tue Jun 9 02:40:49 1998 Richard Henderson <rth@cygnus.com> + + * mips/elf.h (ASM_DECLARE_OBJECT_NAME): Define. + (ASM_FINISH_DECLARE_OBJECT): Define; + * mips/elf64.h: Likewise. + +Tue Jun 9 01:08:47 1998 Richard Henderson <rth@cygnus.com> + + * toplev.c (flag_new_exceptions): Remove extraneous `extern'. + +Mon Jun 8 23:24:48 1998 Jeff Law (law@cygnus.com) + + * version.c: Bump for snapshot. + +Mon Jun 8 23:24:58 1998 David Edelsohn <edelsohn@mhpcc.edu> + + * rs6000.md (mulsidi3): Add !TARGET_POWERPC64 constraint. + (mulsidi3_ppc64): Delete. + +Mon Jun 8 20:57:40 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * Makefile.in (varasm.o): Depend on dbxout.h. + (cse.o): Depend on toplev.h and output.h. + (gcse.o): Depend on output.h. + + * mips.c: Include system.h and toplev.h and remove redundant code. + Include output.h after tree.h so all its prototypes get activated. + * mips.md (table_jump): Remove unused variable `dest'. + + * sparc.h: Add prototype for `v8plus_regcmp_op'. + + * crtstuff.c (fini_dummy, init_dummy): Mark function definitions + with __attribute__ ((__unused__)). + (__frame_dummy): Provide prototype before use, wrap it with + EH_FRAME_SECTION_ASM_OP. + + * cse.c: Move inclusion of <setjmp.h> above local headers. + Include toplev.h and output.h. + + * dbxout.h: Add prototype for `dbxout_begin_function'. + + * final.c (final_scan_insn): Wrap variable `max_skip' in macro + ASM_OUTPUT_MAX_SKIP_ALIGN. + + * gcse.c: Include system.h and output.h. + (dump_cuid_table, dump_rd_table, dump_cprop_data, dump_pre_data): + Make extern instead of static. + (compute_can_copy): Only declare variables `reg' and `insn' when + AVOID_CCMODE_COPIES is not defined. + (record_set_info): Mark parameter `setter' with ATTRIBUTE_UNUSED. + (hash_scan_clobber): Likewise for `x' and `insn'. + (hash_scan_call): Likewise. + (record_last_set_info): Likewise for `setter'. + (mark_call): Likewise for `pat'. + (pre_insert_insn): Wrap variable `note' in macro HAVE_cc0. + + * libgcc2.c (__bb_init_prg): Replace bzero with memset and fix the + length parameter so that it multiplies the number of elements by + the sizeof(element). + + * output.h: Add prototype for `weak_finish'. + + * recog.h: Likewise for `validate_replace_src'. + + * rtl.h: Likewise for `optimize_save_area_alloca', + `fix_sched_param', `purge_addressof', `gcse_main', + `regmove_optimize', `dbr_schedule', `branch_prob' and + `end_branch_prob'. + + * toplev.h: Likewise for `set_float_handler' and + `output_quoted_string'. + + * varasm.c: Include dbxout.h. + +Mon Jun 8 18:12:06 1998 Jim Wilson <wilson@cygnus.com> + + * mips.c (mips_secondary_reload_class): Use gp_reg_p instead of + GP_REG_P. Use gr_regs instead of GR_REGS. + +Mon Jun 8 16:54:12 1998 Ken Raeburn <raeburn@cygnus.com> + Jeff Law <law@cygnus.com> + + * Revamped multiply support for MIPS chips. + * mips.c (extend_operator): New function. + (highpart_shift_operator): Likewise. + * mips.h: Declare new functions. + (PREDICATE_CODES): Add support for new predicates. + * mips.md (mulsi3 expander): Simplify. + (mulsi_mult3): Add another constraint alternative. Support + 3 operand multiply instructions as found on various mips + parts. + (mulsi3_r4650): Delete pattern, now handled by mulsi_mult3. + (mul_acc_si): New pattern and associated splitters. + (mulsidi3 expander): Rework to use mulsidi3_64bit and + mulsidi3_internal. + (umulsidi3): New expander. + (mulsidi3_internal): Accept either sign or zero extended + operands and generate code as appropriate appropriately. + (mulsidi3_64bit): Similarly. + (smulsi3_highpart): Turn into an expander and generate code + to match new patterns. + (umulsi3_highpart): Likewise. + (xmulsi3_highpart_internal): New pattern. + (maddi patterns): Delete. Replace with: + (mul_acc_di, mul-acc_64bit_di): New patterns. + +Mon Jun 8 14:16:15 1998 Andrew MacLeod <amacleod@cygnus.com> + + * eh-common.h: Remove NEW_EH_MODEL compile time flag, and replace with + flag_new_exceptions runtime flag. + (struct old_exception_table): New struct which represents what + the exception table looks like without the new model. + (NEW_EH_RUNTIME): New value used as a tag in the exception table to + flag that this is a new style table. + * except.h: Remove compile time flag NEW_EH_MODEL. + (expand_builtin_eh_stub_old): New prototype. + * tree.h (enum built_in_function): Add BUILT_IN_EH_STUB_OLD. + * expr.c (expand_builtin): New builtin func BUILT_IN_EH_STUB_OLD. + * c-decl.c (init_decl_processing): Add new builtin function + __builtin_eh_stub_old. + * final.c (final_scan_insn): Replace compile time flag NEW_EH_MODEL. + * flags.h (flag_new_exceptions): New runtime flag. + * toplev.c (flag_new_exceptions): Initialize default to 0, + -fnew-exceptions sets to 1. + * except.c (output_exception_table_entry): Output New style exception + identifier into table, and replace compile time flag NEW_EH_MODEL + with runtime flag flag_new_exceptions. + (output_exception_table): Replace compile time flag NEW_EH_MODEL. + (expand_builtin_eh_stub_old): Duplicates original functionality of + expand_builtin_eh_stub. + (expand_builtin_eh_stub): Replace compile time flag NEW_EH_MODEL. + * libgcc2.c (find_exception_handler): Remove NEW_EH_MODEL #ifdefs. + (old_find_exception_handler): New func, same as find_exception_handler + except it works on the old style exception table. + (__throw): Replace NEW_EH_MODEL. Detect new model based on presence + of identifier in the exception table, and call appropriate routines. + +Mon Jun 8 01:21:13 1998 Jason Merrill <jason@yorick.cygnus.com> + + * function.c: Define current_function_cannot_inline. + (push_function_context_to): Save it. + (pop_function_context_from): Restore it. + * function.h (struct function): Provide it a home. + * output.h: Declare it. + * integrate.c (function_cannot_inline_p): Check it. + +Mon Jun 8 10:43:15 1998 Richard Henderson <rth@cygnus.com> + + * expr.c (force_operand): Detect PIC address loads before + splitting arithmetic. + +Mon Jun 8 09:22:38 1998 Jeff Law (law@cygnus.com) + + * version.c: Bump for snapshot. + +Mon Jun 8 02:55:56 1998 Graham <grahams@rcp.co.uk> + + * tree.c (tree_class_check): Add braces to eliminate ambiguous + else warning. + (tree_check): Likewise. + +Mon Jun 8 02:49:23 1998 H.J. Lu (hjl@gnu.org) + + * reg-stack.c (subst_stack_regs_pat): Make sure the top of + stack is the destination for conditional move insn. + +Mon Jun 8 01:21:13 1998 Jason Merrill <jason@yorick.cygnus.com> + + * tree.h (TREE_VEC_END): Cast unused value to void. + + * i386.c (print_operand): Use %lx for long operand. + +Mon Jun 8 00:04:07 1998 Richard Henderson <rth@cygnus.com> + + * alpha.c (summarize_insn): Ignore rtl slot format 'i'. + +Sun Jun 7 14:15:45 1998 John Carr <jfc@mit.edu> + + * sol2.h (INIT_SUBTARGET_OPTABS): Use Solaris libc float/long long + conversion functions. + +Sun Jun 7 14:02:58 1998 Richard Henderson <rth@cygnus.com> + + * toplev.c (flag_exceptions): Default to 0. + (compile_file): Remove flag_exceptions == 2 hack. + (main): Call lang_init_options. + * tree.h: Declare it. + * c-lang.c: Implement it. + * objc/objc-act.c: Likewise. + +Sun Jun 7 12:27:30 1998 David Edelsohn <edelsohn@mhpcc.edu> + + * rs6000.md (restore_stack_block): Generate MEM and specify mode. + * rs6000.h (STACK_SAVEAREA_MODE): SAVE_FUNCTION is VOIDmode. + * rs6000.c (rs6000_output_load_toc_table): Use fputs. + (output_function_profiler): Use asm_fprintf and fputs. + +Sat Jun 6 12:17:12 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * gencheck.c: Remove redundant stdio.h include. Add a definition + of xmalloc for when we are forced to link with alloca.o. + + * reload1.c (reload_reg_free_for_value_p): Use `(unsigned)1' + instead of `1U'. + + * fold-const.c (constant_boolean_node): Make definition static to + match the prototype. + +Fri Jun 5 15:53:17 1998 Per Bothner <bothner@cygnus.com> + + * gcc.c (lang_specific_pre_link): New LANG_SPECIFIC_DRIVER function. + (lang_specific_extra_outfiles): New LANG_SPECIFIC_DRIVER variable. + (do_spec, input_filename, input_filename_length): Make public. + (main): Adjust outfiles allocation by lang_specific_extra_outfiles. + Call lang_specific_pre_link befor elinking. + +Fri Jun 5 12:29:28 1998 Jeffrey A Law (law@cygnus.com) + + * haifa-sched.c (rank_for_schedule): For "equally good insns", prefer + the insn which has the most insns dependent on it. + +Fri Jun 5 09:03:22 1998 John Carr <jfc@mit.edu> + + * alias.c (find_base_value): Avoid reading past end of reg_base_value. + +Fri Jun 5 03:05:34 1998 Richard Henderson <rth@cygnus.com> + + * alpha.md (insxh-1): New insxl pattern for combine. + +Fri Jun 5 01:12:15 1998 H.J. Lu (hjl@gnu.org) + + * i386/i386.c (output_fp_conditional_move): New function + to output floating point conditional move. + (output_int_conditional_move): New function to output integer + conditional move. + + * i386/i386.md (movsicci+5, movhicc+5, movdicc+5): Call + output_int_conditional_move () to output int conditional move. + (movsfcc+5, movdfcc+5, movxfcc+5): Call + output_fp_conditional_move () to output floating point + conditional move. + + * i386/i386.c (put_condition_code): In INT mode, check + cc_prev_status.flags & CC_NO_OVERFLOW for GE and LT. + +Thu Jun 4 16:09:51 1998 Dave Brolley <brolley@cygnus.com> + + * dbxout.c (dbxout_type): Output arrays of bits as if + they were bitstrings for Chill + +Thu Jun 4 14:35:27 1998 David Edelsohn <edelsohn@mhpcc.edu> + + * tree.c (get_inner_array_type): New function. + * tree.h (get_inner_array_type): Prototype. + * expr.h (STACK_SAVEAREA_MODE): New macro. + * expr.c (expand_builtin_setjmp): Initialize sa_mode using + STACK_SAVEAREA_MODE. + (expand_builtin_longjmp): Likewise. + * explow.c (emit_stack_save): Likewise. + (allocate_dynamic_stack_space): Use Pmode not insn_operand_mode. + + * rs6000/aix41.h (ASM_CPU_SPEC): Define relative to ASM_DEFAULT_SPEC. + (CPP_CPU_SPEC): Define relative to CPU_DEFAULT_SPEC. + * rs6000/aix43.h: New file. + * rs6000/t-aix43: New file. + * rs6000/x-aix41: New file. + * rs6000/x-aix43: New file. + * configure.in (rs6000-ibm-aix*): Use them. + * rs6000/powerpc.h: Delete. + * rs6000/sysv4.h: Move necessary powerpc.h definitions to here, + * rs6000/netware.h: and here, + * rs6000/win-nt.h: and here. + + * rs6000/rs6000.c (processor_target_table, 620): Do not affect + MASK_POWERPC64. + (rs6000_override_options): Ignore flag_pic for AIX. + (rs6000_immed_double_const): Delete. + (u_short_cint_operand): Don't assume 32-bit CONST_INT. + (reg_or_u_short_operand): Don't assume 32-bit CONST_INT. + (num_insns_constant): mask64_operand() is 2 insns. + (logical_operand): Don't assume 32-bit CONST_INT. + (non_logical_cint_operand): Don't assume 32-bit CONST_INT. + (easy_fp_constant): Any CONST_DOUBLE_HIGH is okay for 64-bit. + (mask_constant): HOST_WIDE_INT parameter. + (non_and_cint_operand): Delete. + (mask64_operand): New function. + (and64_operand): New function. + (function_arg_advance): DImode arguments do not need special + alignment when 64-bit. + (function_arg): Likewise. + (setup_incoming_varargs): Reverse reg_size assignment. + (print_operand): HOST_WIDE_INT second parameter. + (print_operand, 'B'): New case. + (print_operand, 'M'): Fix typo in lossage string. + (print_operandm 'S'): New case. + (rs6000_stack_info): Reverse reg_size assignment. Use total_raw_size + to compute AIX push_p. Use reg_size to compute {cr,lr}_save_offset. + (rs6000_output_load_toc_table): Reverse init_ptr assignment. Use + TARGET_64BIT not TARGET_POWERPC64. Convert fprintf to fputs. + Load GOT highpart, don't add it. Add lowpart with {cal|la}. + (rs6000_allocate_stack_space): Use {cal|la}. + (output_epilog): Use {cal|la} + (output_function_profiler): Add call glue to mcount call. + Load GOT highpart, don't add it. Add lowpart with {cal|la}. + + * rs6000/rs6000.h (TARGET_SWITCHES): Add powerpc64. + (STACK_BOUNDARY): Depend on TARGET_32BIT. + (ADJUST_FIELD_ALIGN): Calculate array alignment using innermost type. + (CONST_OK_FOR_LETTER_P): Don't assume 32-bit CONST_INT. + (EXTRA_CONSTRAINTS): Remove NT 'S' and 'T'. Replace 'S' with + 64-bit mask operand. + (RS6000_SAVE_TOC): Depend on TARGET_32BIT. + (STACK_SAVEAREA_MODE): New macro. + (LEGITIMATE_CONSTANT_P): DImode okay for 64bit. + (LEGITIMIZE_RELOAD_ADDRESS): New macro. + (RTX_COSTS, AND/IOR/XOR): Reflect current machine description. + (ASM_FILE_START): Emit 64-bit ABI directive. + (ASM_DECLARE_FUNCTION_NAME): Align CSECT on doubleword in 64-bit mode. + (ASM_OUTPUT_SPECIAL_POOL_ENTRY): DImode okay for 64-bit. + (PREDICATE_CODES): Add "and64_operand" and "mask64_operand". + Delete "non_and_cint_operand". "input_operand" includes CONST_DOUBLE. + + * rs6000/rs6000.md (iorsi3, xorsi3): Use HOST_WIDE_INT for mask. + Restore define_splits. + (floatsidf2, floatunssidf2): Remove !TARGET_POWERPC64 final constraint. + (floatsidf2_internal, floatunssidf2_internal2): Likewise. + Do not specify base register operand mode. + (floatsidf2_loadaddr): Do not specify base register operand mode. + (floatsidf2_store1, floatsidf2_store2): Operand 1 must be base + register; do not specify mode. Remove !TARGET_POWERPC64 final + constraint. + (floatsidf2_load): Do not specify base register operand mode. Remove + !TARGET_POWERPC64 final constraint. + (fix_truncdfsi2_internal, fix_truncdfsi2_{store,load}): Do not specify + base register operand mode. + (adddi3): Split large constants early. + (absdi3): Shift by 63, not 31. + (*mulsidi3_ppc64): New pattern. + (rotldi3): Add masking combiner patterns. + (anddi3): Add rldic{r,l} masking. Remove split of large constants + because PPC insns zero-extend. + (iordi3, xordi3): Split large constants early. + (movsi matcher): Remove S and T constraints. + (movsf const_double): Create SImode constant from TARGET_DOUBLE. + (movdf_hardfloat32): Add default abort() case. + (movdf easy_fp_const): Create DImode constant from TARGET_DOUBLE. + (movdi): Remove 64-bit constant generator. Try to convert + CONST_DOUBLE to CONST_INT. Handle TOC memory constants. + (movdi_32): Add default abort() case. + (movdi_64): Add numerous ways to split 64-bit constants. + Make catch-all define_split more optimal and never FAIL. + (movti_ppc64): Add default abort() case. + (allocate_stack): Remove operand modes. Use Pmode. + (restore_stack_block): Remove operand modes. Generate Pmode + temporary. + (save_stack_nonlocal, restore_stack_nonlocal): Generate Pmode + temporary. Save area is double Pmode. + (call_indirect_aix64, call_value_indirect_aix64): New patterns. + (call, call_value): Do not specify address operand mode. Choose + appropriate AIX ABI. + (*call_local64, *ret_call_local64): New patterns. + (*call_nonlocal_aix64, *ret_call_nonlocal_aix64): New patterns. + (*ret_call_nonlocal_aix32): Use call_value_indirect for REG. + (compare): Materialize DImode truthvalues. + +Thu Jun 4 01:26:57 1998 Craig Burley <burley@gnu.org> + + * expr.c (safe_from_p): Avoid combinatorial explosion + over duplicate SAVE_EXPRs by ensuring we never recurse + on one that has already been visited. + +Thu Jun 4 00:54:21 1998 Graham <grahams@rcp.co.uk> + + * loop.c (check_dbra_loop): Initialize final_value before + normalizing the loop. + +Wed Jun 3 20:00:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * reload1.c (reload_reg_free_for_value_p): New arguments out and + reloadnum. Changed all callers. + +1998-06-03 Ulrich Drepper <drepper@cygnus.com> + + * system.h: Add _() and N_() macros in preparation for gettext. + +Wed Jun 3 11:02:24 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> + + * c-common.c (check_format_info): Put back check for C9x `hh' + length modifier. Warn about %n format writing into const. Remove + obsolete comment. + (format_char_info): Fix comments. + + * configure.in: Set float_format to m68k for all m68k targets that + do not override LONG_DOUBLE_TYPE_SIZE. + * config/float-m68k.h: New file. + +Tue Jun 2 23:14:01 1998 Richard Henderson <rth@cygnus.com> + + * jump.c (jump_optimize): Remove debug messages accidentally left in + with the previous change. + +Tue Jun 2 22:46:08 1998 Richard Henderson <rth@cygnus.com> + + * expr.c (store_expr): Revert stray patch associated with + 1998-05-23 commit. + +Tue Jun 2 21:59:01 1998 Richard Henderson <rth@cygnus.com> + + * jump.c (rtx_unsafe_p): New function. + (jump_optimize): Use it on if/then/else transformations and + conditional move transformations. + +Tue Jun 2 22:50:10 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> + + * fold-const.c (fold, case EQ_EXPR): When folding VAR++ == CONST + or VAR-- == CONST construct a proper mask if VAR is a bitfield. + Cope with CONST being out of range for the bitfield. + +Tue Jun 2 22:28:31 1998 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE> + + * expr.c (emit_move_insn_1): When moving complex values in several + steps, emit a CLOBBER to show the destination dies. + +Tue Jun 2 22:17:26 1998 Jeffrey A Law (law@cygnus.com) + + * Makefile.in (site.exp): Use the object testsuite directory as + the temporary directory. + + * expr.c (expand_expr, case ADDR_EXPR): Handle taking the + address of an ADDRESSOF rtx. + +1998-06-02 Mike Stump <mrs@wrs.com> + + * expr.c (expand_builtin_setjmp): Handle BUILTIN_SETJMP_FRAME_VALUE. + * i960.h (SETUP_FRAME_ADDRESSES, BUILTIN_SETJMP_FRAME_VALUE): Define. + * i960.md (ret, flush_register_windows): Define. + (nonlocal_goto): Likewise. Nested function nonlocal gotos don't + work yet. + * tm.texi (BUILTIN_SETJMP_FRAME_VALUE): Document new macro. + +Tue Jun 2 14:02:38 1998 Richard Henderson <rth@cygnus.com> + + * alpha.md (divsi3, udivsi3, modsi3, umodsi3): Enable, and work + around an OSF/1 library bug wrt sign-extension of inputs. + +Tue Jun 2 13:02:44 1998 Richard Henderson <rth@cygnus.com> + + * vax/netbsd.h (DWARF2_UNWIND_INFO): Must be undef, not defined 0. + +Mon Jun 1 03:44:03 1998 Catherine Moore <clm@cygnus.com> + + * config/sh/sh.h (MAX_OFILE_ALIGNMENT): Define. + + * varasm.c (assemble_variable): Augment alignment warning. + +Mon Jun 1 12:14:28 1998 Michael Meissner <meissner@cygnus.com> + + * config/fp-bit.c (_fp{add,div}_parts): Return correct IEEE result + in the presence of IEEE negative 0's. + +Sun May 31 16:11:41 1998 John Wehle (john@feith.com) + + * reload.c (find_reloads): Record the existing mode if + operand_mode == VOIDmode before replacing a register with + a constant. + * i386.md (tstsi, tsthi, tstqi, tstsf, tstdf, tstxf): Set + i386_compare_op1 to const0_rtx for the benefit of the + conditional move patterns. + (movsicc, movhicc, movsfcc, movdfcc, movxfcc, movdicc): Rewrite + based on suggestions from Jim Wilson. + +Sun May 31 00:44:02 1998 Jeff Law (law@cygnus.com) + + * version.c: Bump for snapshot. + +Sun May 31 00:34:17 1998 Bruce Korb <korbb@datadesign.com> + + * Makefile.in (fixinc.sh): Update rules again. + +Sun May 31 00:27:47 1998 Jeffrey A Law (law@cygnus.com) + + * extend.texi: Bring back reference to trampoline paper. + +Sun May 31 00:22:34 1998 Ulrich Drepper <drepper@cygnus.com> + + * Makefile.in (USER_H): Add stdbool.h. + * ginclude/stdbool.h: New file. + +Fri May 29 01:48:25 1998 Jeffrey A Law (law@cygnus.com) + + * jump.c (thread_jumps): Do not look at the NOTE_LINE_NUMBER + of a non-note insn. + + * gcse.c (pre_delete): Fix code to determine the mode of + the reaching pseudo register. + +Fri May 29 01:07:28 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE> + + * Makefile.in (GEN): Add gencheck. + (STAGESTUFF): Add tree-check.h and gencheck. + +Fri May 29 00:57:37 1998 Bruce Korb <korbb@datadesign.com> + + * Makefile.in (cstamp-h.in): Remove before trying to recreate. + (fixinc.sh): Set some additional environment variables before + calling mkfixinc.sh. + +Thu May 28 12:57:05 1998 Jeffrey A Law (law@cygnus.com) + + * reload.c (find_reloads): Do not force a reloads of match_operators. + +Thu May 28 10:22:22 1998 Andrew MacLeod <amacleod@cygnus.com> + + * except.h (remove_handler): Add new prototype. + * except.c (remove_handler): New function to remove handlers + from an exception region. + * flow.c (find_basic_blocks_1): Remove handlers from regions when + handler label is deleted; remove exception regions with no handlers. + +Thu May 28 09:36:39 1998 Michael Meissner <meissner@cygnus.com> + + * except.h (rtx): Define rtx type correctly if needed. + * function.h (rtx): Likewise. + (tree): Define tree type correctly if needed. + + * c-pragma.c (toplevel): Include rtl.h. + + * stor-layout.c (toplevel): Move include of rtl.h before + except.h. + + * Makefile.in (c-pragma.o): Add except.h, rtl.h dependencies. + (tree.o): Add except.h dependency. + +Wed May 27 22:02:40 1998 Jeffrey A Law (law@cygnus.com) + + * reload1.c: Revert accidental checkin. + + * configure.lang: Fix thinko when adding a definition for + target_alias to the Makefile. + +Wed May 27 02:50:00 1998 Catherine Moore (clm@cygnus.com) + + * config/sparc/lb1spc.asm (.rem and .urem): Replace + routines. + +Wed May 27 02:48:31 1998 Richard Earnshaw (rearnsha@arm.com) + + * arm.c (arm_gen_constant): Rework to eliminate uninitialized + variable warnings. Don't generate scratch registers if only + counting insns. + (find_barrier): Eliminate unused variable SRC. + +1998-05-27 Manfred Hollstein <manfred@s-direktnet.de> + + * toplev.h (rtx_def): Provide global declaration to avoid + `limited scope' warnings. + +Tue May 26 23:47:52 1998 Mumit Khan <khan@xraylith.wisc.edu> + + * Makefile.in (gencheck.o): Use HOST_CC. + * i386/t-mingw32: New file. + * configure.in (i386-*-mingw32*): Use. + +Tue May 26 07:31:04 1998 Richard Earnshaw (rearnsha@arm.com) + + * arm.c (bad_signed_byte_operand): New predicate function. + * arm.h (PREDICATE_CODES): Add it to the list. + * arm.md (*extendqi[sh]i_insn): Split any addresses that ldrsb + can't handle. + (define_split): Two new splits for above insns. + + * arm.c: Include toplev.h. + (arm_override_options): Add parentheses around use of tune_flags. + (arm_split_constant): Remove unused variable. + (arm_gen_constant, arm_gen_movstrqi, add_constant): Likewise. + (output_func_prologue, arm_expand_prologue): Likewise. + (arm_canonicalize_comparison): Make I unsigned; rework constants + accordingly. Add missing parentheses around << operation. + (arm_rtx_costs): Correctly parenthesize MULT costs. Add a DEFAULT + clause. + ({load,store}_multiple_sequence): Initialize BASE_REG. + (select_dominance_cc_mode): Add DEFAULT clauses. + (broken_move): Return zero if the destination is not a register. + (arm_reorg): Move unused REGNO declaration into the dead code. + * arm.h (CANONICALIZE_COMPARISON): Ensure OP1 is updated. + +Mon May 25 22:49:56 1998 Jeff Law (law@cygnus.com) + + * version.c: Bump for snapshot. + +Mon May 25 11:56:24 1998 Jeff Law (law@cygnus.com) + + * version.c: Bump for snapshot. + +Mon May 25 14:00:13 1998 Dave Brolley <brolley@cygnus.com> + + * cpperror.c (v_cpp_message): Remove static prototype. + * cpplib.c (v_cpp_message): Move prototype to cpplib.h. + * cpplib.h (v_cpp_message): Add protoptype. + (stdarg.h,varargs.h): Needed for v_cpp_message prototype. + +Sun May 24 20:36:15 1998 Jeff Law (law@cygnus.com) + + * version.c: Bump for snapshot. + +Sun May 24 02:08:57 1998 Jeff Law (law@cygnus.com) + + * version.c: Bump for snapshot. + +1998-05-24 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> + + * m68k.h: Declare more functions used in macros. + (REG_CLASS_CONTENTS): Completely embrace initializer. + * m68k.md (adddi3, subdi3): Add abort call to avoid warning + about returning no value. + * cse.c (find_best_addr): Declare p and found_better only if + needed. + * dbxout.c (dbxout_continue): Define only if DBX_CONTIN_LENGTH > 0. + * dwarfout.c (string_length_attribute): #if 0 away. + * function.c (expand_function_end): Define varible blktramp only + if needed. + * jump.c (find_insert_position): Define only if !HAVE_cc0. + * loop.c (combine_givs_p): Define variable tem only if needed. + * real.c: Comment out unused functions eabs, eround, + e{24,53,64,113}toasc and eiinfin. + +Sat May 23 23:44:53 1998 Alexandre Oliva <oliva@dcc.unicamp.br> + + * Makefile.in (boostrap2-lean, bootstrap3-lean, + bootstrap4-lean): New targets. + +Sat May 23 23:35:14 1998 Jeffrey A Law (law@cygnus.com) + + * warn_summary, test_summary: Moved into the contrib directory. + +1998-05-23 Manfred Hollstein <manfred@s-direktnet.de> + + * Makefile.in (ENQUIRE_CFLAGS, ENQUIRE_LDFLAGS): Move down to the end + of the Makefile. + (FLOAT_H_TEST): Likewise. + (ENQUIRE): Likewise. + (float.h-nat): Likewise. + (float.h-cross): Likewise. + (enquire): Likewise. + (enquire.o): Likewise. + (stmp-int-hdrs): Fix comment about enquire; depend upon gfloat.h. + (stmp-headers): Move actions to stmp-int-hdrs, retaining only a + no-op. + (FLOAT_H): Remove old float.h-nat version; move current definition + to CROSS_FLOAT_H location. + (all.cross): Remove comments about enquire stuff. + + * Makefile.in (all.cross): Swap $(LIBGCC) and $(STMP_FIXPROTO). + (rest.encap): Likewise. + (libgcc2.ready): Depend upon $(STMP_FIXPROTO) + + * toplev.h (tree_node): Provide global declaration to avoid + `limited scope' warnings. + +Sat May 23 23:23:35 1998 Robert Lipe <robertl@dgii.com> + + * test_summary: Display section breaks for each entry + in a multilibbed target's output. + +1998-05-23 Richard Henderson <rth@cygnus.com> + + * expr.c (expand_expr): For {BITFIELD,COMPONENT,ARRAY}_REF, if the + offset's mode is not ptr_mode, convert it. + +1998-05-22 Jason Merrill <jason@yorick.cygnus.com> + + * fold-const.c (ssize_binop): New fn. + * tree.h: Declare it. + +Fri May 22 03:42:05 1998 Richard Earnshaw (rearnsha@arm.com) + + * genextract.c (print_path): Handle zero-length path as a special + case. + +Fri May 22 01:38:07 1998 Hans-Peter Nilsson <hp@axis.se> + + * cplus-dem.c (MBUF_SIZE): Bumped from 512 to 32767. + +Fri May 22 00:57:00 1998 Bernd Schmidt (crux@pool.informatik.rwth-aachen.de> + + * final.c (JUMP_TABLES_IN_TEXT_SECTION): Provide a default value. + (shorten_branches, final_scan_insn): Test value of + JUMP_TABLES_IN_TEXT_SECTION instead of just testing whether it + is defined. + * tm.texi (JUMP_TABLES_IN_TEXT_SECTION): Corresponding changes. + * arm/coff.h: Define JUMP_TABLES_IN_TEXT_SECTION to 1. + * arm/tcoff.h: Likewise. + * i386/386bsd.h: Likewise. + * i386/freebsd-elf.h: Likewise. + * i386/freebsd.h: Likewise. + * i386/netbsd.h: Likewise. + * i386/ptx4-i.h: Likewise. + * i386/sysv4.h: Likewise. + * pa/pa.h: Likewise. + * rs6000/linux.h: Likewise. + * rs6000/rs6000.h: Likewise. + * sh/sh.h: Likewise. + * sparc/sp64-elf.h: Likewise. + * v850/v850.h: Likewise. + * rs6000/sysv4.h: Define JUMP_TABLES_IN_TEXT_SECTION to 0. + * i386/linux.h: Define JUMP_TABLES_IN_TEXT_SECTION to (flag_pic). + +Thu May 21 19:50:13 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * regmove.c (gen_add3_insn): New function. + (fixup_match_2): Use it instead of calling gen_addsi3. + +Thu May 21 23:09:50 1998 Jeffrey A Law (law@cygnus.com) + + * Makefile.in (gencheck): Depend on HOST_LIBDEPS. + + * alias.c (rtx_equal_for_memref_p): Handle SCRATCH as a memory + address. + +Thu May 21 20:18:13 1998 Martin von Löwis <loewis@informatik.hu-berlin.de> + + * Makefile.in (TREE_H): Add tree-check.h. + (tree-check.h, gencheck): New targets. + * gencheck.c: New file. + * tree.c (tree_check, tree_class_check): New functions. + * tree.h (TREE_CHECK, TREE_CLASS_CHECK): Define. + (TYPE_CHECK, DECL_CHECK): Define. + Modify all access macros to use generated checking macros. + +Wed May 20 23:44:28 1998 John Wehle (john@feith.com) + + * acconfig.h (HAVE_GAS_MAX_SKIP_P2ALIGN): New tag. + * configure.in: Check for it. + * i386/gas.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Use it. + * final.c (uid_align, uid_shuid, label_align): Make static. + (label_align): Change type to struct label_alignment pointer. + (LABEL_TO_ALIGNMENT, shorten_branches): Update due to type change. + (LABEL_TO_MAX_SKIP): Define. + (LABEL_ALIGN_MAX_SKIP, LOOP_ALIGN_MAX_SKIP, + LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Provide defaults. + (shorten_branches): Record the maximum bytes to skip when + aligning a label. + (final_scan_insn): Use the maximum bytes to skip when aligning a label + if ASM_OUTPUT_MAX_SKIP_ALIGN is available. + * i386.h (LOOP_ALIGN_MAX_SKIP, + LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Define. + * i386.c (override_options): i386_align_jumps and i386_align_loops + default to 4 if ASM_OUTPUT_MAX_SKIP_ALIGN is available. + * invoke.texi: Document new i386 align-loops and align-jumps behavior. + +1998-05-21 Mark Mitchell <mmitchell@usa.net> + + * cplus-dem.c (do_type): Handle volatile qualification. + +Thu May 21 12:23:17 1998 Per Bothner <bothner@cygnus.com> + + * function.c (init_function_start): Don't call emit_line_note if + lineno is 0. (Can happen when compiling Java .class files.) + +Thu May 21 19:50:13 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * reload1.c (reload_reg_free_for_value_p): Fix RELOAD_FOR_INPUT + end of lifetime and RELOAD_FOR_OUTPUT start of lifetime. + +Thu May 21 19:32:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * combine.c (nonzero_bits): For paradoxical subregs, take + LOAD_EXTENDED_OP into account. + +Thu May 21 11:51:15 1998 Dave Brolley <brolley@cygnus.com> + + * configure.in (extra_c_objs): Add prefix.o. + (extra_cxx_objs): Extra objects for C++ with cpplib. + * configure: Regenerate. + + * c-tree.h (get_directive_line): Different prototype for cpplib. + (GET_DIRECTIVE_LINE): Macro wrapper for get_directive_line. + + * c-lex.h (get_directive_line): Not needed here for cpplib. + + * c-lex.c (yy_cur,yy_lim,yy_get_token): Move to c-common.c. + (GET_DIRECTIVE_LINE): Move to c-common.c and rename to get_directive_line. + + * c-common.c (parse_in,parse_options,cpp_token): Declare for cpplib. + (yy_cur,yy_lim,yy_get_token,get_directive,line): Moved here from c-lex.c + +Thu May 21 09:04:42 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * gengenrtl.c (type_from_format, accessor_from_format): Change + type of parameter `c' from `char' to `int'. + +Wed May 20 22:28:34 1998 Jeffrey A Law (law@cygnus.com) + + * warn_summary, test_summary: New scripts from + Kaveh Ghazi and Alexandre Oliva respectively. + + * gcse.c (current_function_calls_longjmp): Declare. + +1998-05-20 Jason Merrill <jason@yorick.cygnus.com> + + * dwarf2out.c (base_type_die): Use int_size_in_bytes. + +Wed May 20 01:11:02 1998 Doug Evans (devans@cygnus.com) + Jeff Law (law@cygnus.com) + + * Global CSE and constant/copy propagation. + * Makefile.in (OBJS): Add gcse.o. + (STAGESTUFF): Add *.gcse. + (gcse.o): Add dependencies. + (mostlyclean): Remove *.gcse and */*.gcse. + * gcse.c: New file. + * loop.c (loop_optimize): Move call to init_alias_analysis. + * recog.c (validate_replace_src): New function. + * toplev.c (gcse_dump): New global variable. + (flag_gcse, gcse_time): Likewise. + (compile_file): Initialize gcse_time and clean out the gcse dump + file if necessary. + (rest_of_compilation): Call gcse_main as requested. Dump RTL + after gcse if requested. + (main): Enable gcse for -O2 and above. Handle -dG. Enable gcse + dumps for -da. + * gcc.texi: Add gcse related internal documentation. + * invoke.texi: Note new command line options for gcse. + * tm.texi: Document AVOID_CCMODE_COPIES. + * mips.h (AVOID_CCMODE_COPIES): Define. + +Tue May 19 22:31:20 1998 Jeffrey A Law (law@cygnus.com) + + * Makefile.in (deduced.h): Only run scan-types if $(SYSTEM_HEADER_DIR) + exists. + (stmp-fixproto): Simlarly for running fixproto. + * cross-make (SYSTEM_HEADER_DIR): Now $(tooldir)/sys-include. + +Tue May 19 19:08:52 1998 Jim Wilson <wilson@cygnus.com> + + * config/mips/mips.c (double_memory_operand): Accept any MEM during + reload when TARGET_64BIT. + +Tue May 19 18:21:25 1998 Jim Wilson <wilson@cygnus.com> + + Finish incomplete change started by Kenner. + * configure.in (*-*-linux-gnu*): Delete NO_STAB_H from xm_defines. + (powerpcle-*-cygwin32): Delete xm_defines. + * final.c, mips-tfile.c, xcoffout.c, config/mips/mips.c: Use + HAVE_STAB_H instead of NO_STAB_H. + * config/xm-linux.h (NO_STAB_H): Delete. + (HAVE_STAB_H): Undefine. + * config/i386/xm-go32.h (NO_STAB_H): Delete. + +1998-05-19 Jim Wilson <wilson@cygnus.com> + + * dwarfout.c (dwarfout_file_scope_decl, case TYPE_DECL): Ignore + LANG_TYPE trees with DECL_SOURCE_LINE of 0. + +Tue May 19 15:07:54 1998 Todd Vierling <tv@netbsd.org> + + * arm/netbsd.h: Ensure DWARF2_UNWIND_INFO is undefined. + +Tue May 19 17:19:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * reload1.c (reload_reg_free_for_value_p): New function. + (allocate_reload_reg, choose_reload_regs): Use it. + +Tue May 19 11:51:00 1998 Andrew MacLeod (amacleod@cygnus.com) + + * except.c (expand_start_catch): Correct logic for when to + generate a new handler label, and when to use the old one. + +Tue May 19 11:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * Makefile.in (print-rtl.o): Depend on bitmap.h. + (dbxout.o): Depend on toplev.h. + ($(SCHED_PREFIX)sched.o): Likewise. + ($(out_object_file)): Likewise for system.h and toplev.h. + (cppmain.o): Depend on gansidecl.h. + (cpplib.o): Likewise. + (cpperror.o): Likewise. + (cppexp.o): Likewise. + (cpphash.o): Likewise. + (cppalloc.o): Likewise. + (fix-header.o): Depend on cpplib.h and cpphash.h. + (scan-decls.o): Depend on gansidecl.h. + + * basic-block.h (free_regset_vector): Add prototype. + + * cccp.c (check_precompiled): Mark parameter `fname' with + ATTRIBUTE_UNUSED. + (do_assert): Likewise for `op' and `keyword'. + (do_unassert): Likewise. + (do_line): Likewise for `keyword'. + (do_error): Likewise for `op' and `keyword'. + (do_warning): Likewise. + (do_ident): Likewise for `keyword'. + (do_pragma): Likewise for `limit', `op' and `keyword'. + (do_sccs): Likewise. + (do_if): Likewise for `keyword'. + (do_elif): Likewise. + (do_else): Likewise. + (do_endif): Likewise. + + * collect2.c (getenv): Remove redundant prototype. + (collect_exit, collect_execute, dump_file): Likewise. + (dump_list): Wrap prototype and definition in COLLECT_EXPORT_LIST. + (dump_prefix_list): Hide prototype and definition. + + * sparc.c: Include toplev.h. + (intreg_operand): Mark parameter `mode' with ATTRIBUTE_UNUSED. + (symbolic_memory_operand): Likewise. + (sp64_medium_pic_operand): Likewise. + (data_segment_operand): Likewise. + (text_segment_operand): Likewise. + (splittable_symbolic_memory_operand): Likewise. + (splittable_immediate_memory_operand): Likewise. + (eq_or_neq): Likewise. + (normal_comp_operator): Likewise. + (noov_compare_op): Likewise. + (v9_regcmp_op): Likewise. + (v8plus_regcmp_op): Likewise. + (extend_op): Likewise. + (cc_arithop): Likewise. + (cc_arithopn): Likewise. + (small_int): Likewise. + (uns_small_int): Likewise. + (clobbered_register): Likewise. + (legitimize_pic_address): Likewise. + (delay_operand): Likewise. + (sparc_builtin_saveregs): Remove unused variable `stdarg'. + + * sparc.h (order_regs_for_local_alloc, eligible_for_return_delay, + sparc_issue_rate, v8plus_regcmp_p): Add prototypes. + + * sparc.md (cmpdi_v8plus): Add abort for default case in switch. + + * cppalloc.c: Include gansidecl.h. + + * cpperror.c: Include stdarg.h/varargs.h and gansidecl.h. + (cpp_file_line_for_message): Mark parameter `pfile' with + ATTRIBUTE_UNUSED. + (v_cpp_message): New function. + (cpp_message): Use it. Also convert to variable arguments. + (cpp_fatal): Likewise. + (cpp_pfatal_with_name): Constify parameter `name'. + + * cppexp.c: Move gansidecl.h before cpplib.h. + * cpphash.c: Likewise. + * cpphash.h (hashf, delete_macro): Add prototypes. + + * cpplib.c: Include stdarg.h/varargs.h and move gansidecl.h before + cpplib.h. Don't include errno.h. + (update_path): Add arguments to prototype. + (cpp_fatal, cpp_file_line_for_message, cpp_message, delete_macro, + cpp_print_containing_files): Remove redundant prototypes. + (cpp_hash_cleanup, add_import, append_include_chain, + make_assertion, path_include, initialize_builtins, + initialize_char_syntax, finclude, validate_else, comp_def_part, + lookup_import, redundant_include_p, is_system_include, + read_name_map, read_filename_string, open_include_file, + check_macro_name, compare_defs, compare_token_lists, + eval_if_expression, change_newlines): Add prototype arguments. + (hashf): Remove redundant prototype. + (read_token_list, free_token_list, safe_read, xcalloc, savestring, + conditional_skip, skip_if_group): Add prototype arguments. + (fdopen): Remove redundant prototype. + (do_define, do_line, do_include, do_undef, do_error, do_pragma, + do_ident, do_if, do_xifdef, do_else, do_elif, do_endif, do_sccs, + do_once, do_assert, do_unassert, do_warning): Add prototype arguments. + (struct directive): Add prototype arguments to function pointer + member `func'. + (handle_directive): Add missing arguments to call to `do_line'. + (do_include): Mark parameters `unused1' and `unused2' with + ATTRIBUTE_UNUSED. + (do_line): Likewise for `keyword' and new parameters `unused1' and + `unused2'. + (do_error): Likewise for `keyword'. + (do_warning): Likewise. Also add missing argument `pfile' in call + to cpp_pedwarn. + (do_once): Mark parameter `keyword', `unused1' and `unused2' with + ATTRIBUTE_UNUSED. + (do_ident): Likewise for `keyword', `buf' and `limit'. + (do_pragma): Likewise. Also add missing arguments in call to do_once. + (do_sccs): Mark parameter `keyword', `buf' and `limit' with + ATTRIBUTE_UNUSED. + (do_if): Likewise for `keyword'. + (do_elif): Likewise. + (eval_if_expression): Likewise for `buf' and `length'. + (do_xifdef): Likewise for `unused1' and `unused2'. + (do_else): Likewise for `keyword', `buf' and `limit'. + (do_endif): Likewise. + (parse_name): Add missing argument `pfile' in call to cpp_pedwarn. + (cpp_handle_options): Remove superfluous NULL argument in call to + cpp_fatal. + (cpp_handle_options): Likewise. + (do_assert): Mark parameter `keyword', `buf' and `limit' with + ATTRIBUTE_UNUSED. + (do_unassert): Likewise. + (cpp_print_file_and_line): Add missing argument `pfile' in call to + cpp_file_line_for_message. + (v_cpp_error): New function. + (cpp_error): Use it. Also accept variable arguments. + (v_cpp_warning): New function. + (cpp_warning): Use it. Also accept variable arguments. + (cpp_pedwarn): Accept variable arguments. + (v_cpp_error_with_line): New function. + (cpp_error_with_line): Use it. Accept variable arguments. + (v_cpp_warning_with_line): New function. + (cpp_warning_with_line): Use it. Accept variable arguments. Hide + definition. + (cpp_pedwarn_with_line): Accept variable arguments. + (cpp_pedwarn_with_file_and_line): Likewise. + (cpp_error_from_errno): Constify parameter `name'. Add missing + argument `pfile' in call to cpp_file_line_for_message. + (cpp_perror_with_name): Constify parameter `name'. + + * cpplib.h: Define PARAMS() in terms of PROTO(). + (fatal): Remove redundant prototype. + (cpp_error, cpp_warning, cpp_pedwarn, cpp_error_with_line, + cpp_pedwarn_with_line, cpp_pedwarn_with_file_and_line, + cpp_error_from_errno, cpp_perror_with_name, cpp_pfatal_with_name, + cpp_fatal, cpp_message, cpp_pfatal_with_name, + cpp_file_line_for_message, cpp_print_containing_files): Add + arguments to prototypes. + (scan_decls, cpp_finish): Add prototypes. + + * cppmain.c: Include gansidecl.h. + (main): Remove unused variable `i'. + + * dbxout.c: Include toplev.h. + + * demangle.h (do_tlink, collect_execute, collect_exit, + collect_wait, dump_file, file_exists): Add prototype. + + * dwarf2out.c (dwarf_type_encoding_name, decl_start_label): Hide + prototype and definition. + (gen_unspecified_parameters_die): Don't assign results of call to + function new_die() to unused variable `parm_die'. + (dwarf2out_line): Mark parameter `filename' with ATTRIBUTE_UNUSED. + (dwarf2out_define): Likewise for `lineno' and `buffer'. + + * dwarfout.c (output_unsigned_leb128, output_signed_leb128): Hide + prototype and definition. + (output_die): Add prototype arguments to function pointer arg. + (output_unspecified_parameters_die): Mark parameter `arg' with + ATTRIBUTE_UNUSED. + + * except.c (output_exception_table_entry): Remove unused variable + `eh_entry'. + + * except.h (expand_fixup_region_start, expand_fixup_region_end): + Add prototypes. + + * expr.c (do_jump_by_parts_equality_rtx): Remove prototype. + + * expr.h (do_jump_by_parts_equality_rtx): Add prototype. + + * fix-header.c: Include stdarg.h/varargs.h, move gansidecl.h + before cpplib.h, include cpphash.h, remove redundant prototype of + cpp_fatal, don't define `const', add a prototype for `fatal'. + (cpp_file_line_for_message): Add missing arguments `pfile'. + (v_cpp_message): New function. + (cpp_message): Use it. + (v_fatal): New function. + (fatal, cpp_fatal): Use it. + (cpp_pfatal_with_name): Constify parameter `name'. + + * flow.c (free_regset_vector): Remove redundant prototype. + + * function.c (round_down): Wrap prototype and definition with + macro ARGS_GROW_DOWNWARD. + (record_insns): Wrap prototype and definition with + defined (HAVE_prologue) || defined (HAVE_epilogue). + + * gansidecl.h (ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5): New macros. + + * gen-protos.c: Include gansidecl.h. + (hashf): Don't make it static, constify parameter `name'. + + * genattrtab.c (check_attr_test): Change XEXP() to XSTR() to match + specifier %s in calls to function `fatal'. + + * haifa-sched.c: Include toplev.h. + (find_rgns): Remove unused variable `j'. + + * integrate.c (note_modified_parmregs): Mark parameter `x' with + ATTRIBUTE_UNUSED. + (mark_stores): Likewise. + + * jump.c (mark_modified_reg): Likewise. + + * output.h (insn_current_reference_address): Add prototype. + (eh_frame_section): Likewise. + + * print-rtl.c: Include bitmap.h. + + * reload1.c (reload): Wrap variables `note' and `next' in macro + PRESERVE_DEATH_INFO_REGNO_P. + (forget_old_reloads_1): Mark parameter `ignored' with + ATTRIBUTE_UNUSED. + (choose_reload_regs): Remove unused variable `in'. + (reload_cse_invalidate_mem): Mark parameter `ignore' with + ATTRIBUTE_UNUSED. + (reload_cse_check_clobber): Likewise. + + * rtl.h (expand_null_return, reg_classes_intersect_p): Add prototype. + (mark_elimination): Fix typo in prototype. + + * scan-decls.c: Include gansidecl.h. + + * tree.h (using_eh_for_cleanups, supports_one_only): Add prototype. + +Mon May 18 22:37:33 1998 Jeffrey A Law (law@cygnus.com) + + * function.c (identify_blocks): Fix thinko when setting the + block number for NOTE_INSN_BLOCK_END. + +Mon May 18 15:30:42 1998 Nick Clifton <nickc@cygnus.com> + + * config/v850/lib1funcs.asm: Add .text pseudo op to start of + ___udivsi3. + + * config/v850/lib1funcs.asm: Fix .size pseudo ops to use three + underscores for the prefixes to the names of the maths functions. + + * dbxout.c (dbxout_parms): Revert to using DECL_ARG_TYPE. Add + comment explaining why. + +Mon May 18 13:20:23 1998 Richard Henderson <rth@cygnus.com> + + * tree.h (TYPE_SIZE_UNIT): New. + (struct tree_type): Add size_unit member. + * stor-layout.c (layout_type): Initialize it. + * expr.c (get_inner_reference) [ARRAY_REF]: Use it. + * tree.c (size_in_bytes, int_size_in_bytes): Likewise. + +Mon May 18 12:07:37 1998 Richard Earnshaw (rearnsha@arm.com) + + * stor-layout.c (layout_record): Fix off-by-one error when checking + length of the TYPE_BINFO vector. + +Mon May 18 10:59:23 1998 Nick Clifton <nickc@cygnus.com> + + * dbxout.c (dbxout_parms): Use TREE_ARG to compute the type of a + function parameter passed in memory. + +Mon May 18 09:02:09 1998 Robert Lipe <robertl@dgii.com> + + * dwarfout.h, dwarf2out.h, dbxout.h, sdbout.h: New files. + Prototypes for externally used functions in respective C files. + * dwarfout.c, dbxout.c, dwarf2out.c, sdbout.c, toplev,c, + final.c: Include above files. + * Makefile.in (toplev.o): Add dependency for above four headers. + (final.o): Likewise. + (dwarfout.o, dbxout.o, dwarf2out.o, sdbout.o): Depend on four + respective header files. + +Mon May 18 01:23:33 1998 Jeffrey A Law (law@cygnus.com) + + * Makefile.in (TARGET_TOOLPREFIX): No longer define. + (AR_FOR_TARGET, RANLIB_FOR_TARGET): Define to use versions in + the build tree if they exist. + (AR, AR_FLAGS, OLDAR, OLDAR_FLAGS, RANLIB, RANLIB_TEST): Update + appropriately. + (objdir): Let configure substitute value. + (FLOAT_H): Let configure select a pre-built version from the + config subdir. + * build-make (INSTALL_TARGET, ALL): Disable, no longer needed. + * configure.in: Substitute for objdir. + + * Makefile.in (build_canonical, host_canonical): Let configure + substitute values for these variables. + * configure.in: Substitute for build_canonical, host_canonical + and target_subdir in generated Makefile. + + * output.h (find_basic_blocks): Declare. + (free_basic_block_vars, set_block_num, life_analysis): Likewise. + + * Makefile.in (BISON): Use bison from the build tree if it exists. + (FLEX): Similarly. + +Mon May 18 00:08:19 1998 Nick Clifton <nickc@cygnus.com> + + * gcc.c (SWITCH_CURTAILS_COMPILATION): Definition. + (DEFAULT_SWITCH_CURTAILS_COMPILATION): True for options -S and -c. + (process_command): If HAVE_EXECUTABLE_SUFFIX is defined then scan + command line arguments to see if an executable is not being + created, and if so - do not append the suffix. + + * tm.texi (SWITCH_CURTAILS_COMPILATION): Add description of new + driver macro. + +Sun May 17 23:59:45 1998 John Wehle (john@feith.com) + + * i386.h (ALIGN_DFmode): Delete. + (CONSTANT_ALIGNMENT): Define. + * varasm.c (force_const_mem): Use it. + +Sun May 17 19:31:05 1998 Richard Henderson <rth@cygnus.com> + + * alpha.c (alpha_emit_conditional_branch): Clear cmp_code after + using it with swap_condition, not before. + +Sun May 17 13:44:32 1998 Jim Wilson <wilson@cygnus.com> + + * alias.c (mode_alias_check): Delete. + (true_dependence, anti_dependence, output_dependence): Revert April 21 + change. + +Sun May 17 08:45:21 1998 Krister Walfridsson <cato@df.lth.se> + + * toplev.c (output_lang_identify): Enable prototype and definition. + +Sun May 17 01:12:27 1998 Jeff Law (law@cygnus.com) + + * version.c: Bump for snapshot. + +Sat May 16 23:20:32 1998 Richard Henderson <rth@cygnus.com> + + * alpha/osf.h (HAVE_STAMP_H): Define. + * alpha.c: Use it. + * alpha/netbsd.h, alpha/netbsd-elf.h: New files. + * configure.in (alpha*-*-netbsd*): New. + Based on patches from Paul H. Anderson <pha@pdq.com>. + + * configure.in (alpha*-*-linux-*): Kill xm_defines. + (alpha*-*-linux-gnulibc1*) [fixincludes]: Define. + * alpha/xm-linux.h: Remove file. + +Sat May 16 18:32:45 1998 Doug Evans <devans@canuck.cygnus.com> + + * dbxout.c (dbxout_parms): If mode of type of parameter living + in memory doesn't match mode of DECL_RTL, make big endian correction. + +Fri May 15 21:40:06 1998 John Wehle (john@feith.com) + + * i386.md (movdi-1, movdi): Rewrite based on SI move patterns. + +Fri May 15 18:55:22 1998 Jason Merrill <jason@yorick.cygnus.com> + + * tree.h (BINFO_SIZE, TYPE_BINFO_SIZE): New macros. + * stor-layout.c (layout_record): Set it. + +Fri May 15 18:49:30 1998 Mark Mitchell <mmitchell@usa.net> + + * toplev.c (rest_of_compilation): Don't defer nested functions. + +Fri May 15 17:42:52 1998 Bob Manson <manson@charmed.cygnus.com> + + * config/rs6000/rs6000.c (rs6000_stack_info): Align the stack bottom + to an 8-byte boundary if info_ptr->fpmem_p. + +Fri May 15 17:36:11 1998 Bill Moyer <ttk@cygnus.com> + + * loop.c (basic_induction_var): Added test preventing + CCmode parameter passed to convert_modes(). + +Fri May 15 17:26:18 1998 Alexandre Petit-Bianco <apbianco@cygnus.com> + + * expr.c (expand_expr, case EXPR_WITH_FILE_LOCATION): Save/restore + input_filename and lineno around expand_expr call. Set them to values + in WFL before expand_expr call. + +Fri May 15 12:44:57 1998 Benjamin Kosnik <bkoz@rhino.cygnus.com> + + * stor-layout.c (set_sizetype): Set TYPE_NAME on bitsizetype. + +Fri May 15 07:20:03 1998 Mark Mitchell <mmitchell@usa.net> + + * fold-const.c (constant_boolean_node): New function. + (fold): Use it. + +Fri May 15 11:21:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * sh.c (gen_shl_and): Don't sign extend constant for kind two. + Abort if trying to split kind 3 or 4 outside of combine. + +Fri May 15 01:47:37 1998 Jeffrey A Law (law@cygnus.com) + + * mips.c (print_operand, case 'x'): Use HOST_WIDE_INT_PRINT_HEX. + +Fri May 15 01:42:45 1998 Mumit Khan <khan@xraylith.wisc.edu> + + * objc/Make-lang.in (OBJC_O): Add missing exeext. + (libobjc.a, runtime-info.h): Likewise. + +Fri May 15 01:29:39 1998 John Wehle (john@feith.com) + + * i386.h (DATA_ALIGNMENT): Define. + +Fri May 15 05:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * reload1.c (delete_output_reload): Ignore single USE that + was emitted for the pseudo use of this INSN. + If the no reference to REG between OUTPUT_RELOAD_INSN and INSN + remains, we can always delete OUTPUT_RELOAD_INSN. + +Thu May 14 18:38:50 1998 Jim Wilson <wilson@cygnus.com> + + * reload.c (find_reloads): Don't penalize SCRATCH output reload. + +Thu May 14 15:10:30 1998 Jeffrey A Law (law@cygnus.com) + + * Makefile.in (expr.o): Remove dependency on deleted modemap.def file. + +Thu May 14 16:30:47 1998 Andrew MacLeod <amacleod@cygnus.com> + + * eh-common.h: New file for basic EH data structures. + * except.h: Various prototypes and structures for NEW_EH_MODEL. + * function.h (struct function): Add a struct eh_stack for the catch + clause stack. + * except.c (gen_exception_label): New function to generate an + exception label. + (push_eh_entry): Use gen_exception_label() and init 'label_used' field. + (push_entry): New function to push an existing entry onto a stack. + (receive_exception_label): New function to emit the code required + at the start of all catch blocks. + (struct func_eh_entry): New structure for maintaining handlers + associated with EH regions. + (new_eh_region_entry): New function to register an EH region. + (add_new_handler): New function to register a handler with a region. + (get_new_handler): Creates anew handler entry for registering. + (find_func_region): New function to convert a NOTE eh region number + to an Eh region index. + (get_first_handler): New function to get the first handler in a region. + (clear_function_eh_region): New function to release memory. + (duplicate_handlers): New function to duplicate a list of handlers. + (expand_eh_region_end): Create a new region entry node as well. + (expand_leftover_cleanups): Call receive_exception_label() and + register the cleanup as a handler to the current region. + (expand_start_catch): New function to start a catch clause. + (expand_end_catch): New function to end a catch clause. + (expand_start_all_catch): Restructure to not do the equivalent of + what expand_start_catch() does now. Push the exception region being + handled onto the catch stack. + (output_exception_table_entry): Issue an entry for each handler + associated with a region. + (set_exception_lang_code): New function for setting the language code. + (set_exception_version_code): New function to set the version number. + (output_exception_table): Output version and language codes. + (find_exception_handler_labels): Find handler labels using new scheme. + (is_exception_handler_label): New function, returns 1 if label is + present as a handler in some exception region. + (check_exception_handler_labels): Use the new scheme. + (init_eh_for_function): Initialize the catch stack. + (save_eh_status): Save the catch stack. + (restore_eh_status): Restore the catch stack. + (scan_region): Don't remove unreferenced handler label. Flow does it. + (get_reg_for_handler): New function to get the eh_context pointer + passed by __throw. + (expand_builtin_eh_stub): Changes required for NEW_EH_MODEL only. + * final.c (final_scan_insn): With NEW_EH_MODEL, add EH table + entry when processing END region rather that START region. + * flow.c (find_basic_blocks_1): Find all potential handler regions + now that we don't automatically know what the labels might be. + Let scan_region() remove unreferenced EH BEGIN/END labels. + * integrate.c (get_label_from_map): Put inlined labels onto the + permanent obstack since we don't know which ones might be exception + labels. + (save_for_inline_copying): Make new copies of all the handlers. + (expand_inline_function): Make new copies of all the handlers. + * libgcc2.c: Remove local struct decls, and include eh-common.h. + (find_exception_handler): With NEW_EH_MODEL the first matching + region we find is the right one. Add eh_info as a new parameter. + (__throw): Pass eh_info to find_exception_handler. Set handler + and pass use different regs under NEW_EH_MODEL. + +Thu May 14 12:58:21 1998 Jim Wilson <wilson@cygnus.com> + + * i960.h (hard_regno_mode_ok): Changed to function from array of + unsigned. + (HARD_REGNO_MODE_OK): Call function instead of testing bit. + * i960.c (hard_regno_mode_ok): Changed to function from array of + unsigned. + +Thu May 14 08:41:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * reload.c (remove_replacements): New function. + * reload.h (remove_replacements): Declare. + * reload1.c (choose_reload_regs): Disable some reloads that + belong to inherited reloads. + +Thu May 14 02:17:17 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * loop.c (scan_loop): Don't call move_movables for optimize_size. + + * reload1.c (merge_assigned_reloads): When merging, reset + reload_spill_index for the eliminated reload. + +Wed May 13 17:51:13 1998 Jeffrey A Law (law@cygnus.com) + + * haifa-sched.c (schedule_insns): Fix merge goof. + +1998-05-13 Jim Wilson <wilson@cygnus.com> + + * varasm.c (make_decl_rtl): Revert April 1 change. + * alpha/alpha.h, alpha/win-nt.h, arm/arm.h, i386/unix.h, i960/i960.h, + m68k/linux.h, pa/pa.h, sparc/sparc.h, vax/vax.h (ASM_OUTPUT_MI_THUNK): + Get function name from the SYMBOL_REF in the DECL_RTL, not from + DECL_ASSEMBLER_NAME. + * i386/winnt.c (gen_stdcall_suffix): Comment for questionable use of + DECL_ASSEMBLER_NAME. + +Wed May 13 13:09:19 1998 Jim Wilson <wilson@cygnus.com> + + * i386.c (notice_update_cc, output_float_compare): Disable + TARGET_CMOVE support. + +Wed May 13 15:28:59 1998 Michael Meissner <meissner@cygnus.com> + Jeff Law <law@cygnus.com> + + * rtlanal.c (find_reg_note): Ignore notes that are not on on + insns of class 'i'. + (find_regno_note): Likewise. + + * Makefile.in (stor-layout.o): Depend on except.h. + (varasm.o, function.o): Likewise. + (expr.o): Depend on except.h, modemap.def and hard-reg-set.h. + + * Makefile.in (HOST_RTL): Add $(HOST_PREFIX)bitmap.o. + (rtl.o, emit-rtl.o): Add dependency on bitmap.h. + ($(HOST_PREFIX_1)rtl.o): Likewise. + ($(HOST_PREFIX_1)bitmap.o): New host object. + * emit-rtl.c (toplevel): Include bitmap.h. + (gen_rtx): Handle 't' and 'b' nodes. + * print-rtl.c (print_rtx): Handle printing NOTE_INSN_LIVE notes. + Print block number for block begin/end notes. Print 't' type + nodes as a pointer. Know that the 3rd argument of live range + start/stop notes is really a range_info rtx. If type is 'b', print + out argument as a bitmap. + * rtl.c: Include bitmap.c. + (copy_rtx): Copy tree nodes as is. Copy bitmaps if type is 'b'. + (note_insn_name): Add NOTE_INSN_RANGE_{START,END}, NOTE_INSN_LIVE. + * rtl.def (RANGE_LIVE): New node to hold live information while we + recalculate the basic blocks. + (RANGE_REG, RANGE_INFO): New rtl types for live range splitting. + (RANGE_VAR): New node, to hold information saved in symbol node for New + communicating live range information to the debug output functions. + * rtl.h (rtunion_def): Add rttree and rtbit fields. + (XBITMAP, XTREE): New accessor macros. + (NOTE_LIVE_INFO): Overload NOTE_SOURCE_FILE for NOTE_INSN_LIVE notes. + (NOTE_RANGE_INFO): Similarly for NOTE_INSN_RANGE_{START,END} notes. + (NOTE_BLOCK_LIVE_RANGE_BLOCK): Define. + (NOTE_INSN_RANGE_START, NOTE_INSN_RANGE_END, NOTE_INSN_LIVE): New notes. + (RANGE_LIVE_{BITMAP,ORIG_BLOCK}): New accessor macros. + (RANGE_REG_{SYMBOL,BLOCK}_NODE, RANGE_VAR_*): New accessor macros. + (RANGE_INFO_*): Likewise. + * sched.c (sched_analyze): Keep live range start/stop notes. + (unlink_other_notes): Likewise. + * haifa-sched.c (sched_analyze): Keep live range start/stop notes. + (unlink_other_notes): Likewise. + * tree.h (BLOCK_LIVE_RANGE_{START,END,VAR_FLAG}): New accessor macros. + (BLOCK_LIVE_RANGE_FLAG): Likewise. + (DECL_LIVE_RANGE_RTL): Likewise. + (struct tree_block): Add live_range_flag, live_range_var_flag, + live_range_start and live_range_end. + (struct tree_decl): Add live_range_rtl field. + * gengenrtl.c (type_from_format): Handle 'b' and 't'. + (accessor_from_format): Likewise. + + * haifa-sched.c (schedule_block): Make verbose output line up. + Also add a blank line in printing the individual ready lists. + +Wed May 13 15:43:44 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * Makefile.in (c-lang.o): Depend on c-tree.h, c-lex.h and toplev.h. + (c-lex.o): Depend on output.h. + (c-common.o): Likewise. + (stmt.o): Likewise. + (calls.o): Likewise. + (integrate.o): Depend on toplev.h. + (regclass.o): Depend on output.h. + (final.o): Depend on reload.h. + + * c-common.c: Include output.h. + (check_format_info): Remove unused variable `integral_format'. + + * c-decl.c (print_lang_decl): Mark parameters `file', `node' and + `indent' with ATTRIBUTE_UNUSED. + (print_lang_type): Likewise. + (maybe_build_cleanup): Likewise for parameter `decl'. + (copy_lang_decl): Likewise for parameter `node'. + + * c-lang.c: Include c-tree.h, c-lex.h and toplev.h. + (lang_print_xnode): Mark parameters `file', `node' and `indent' + with ATTRIBUTE_UNUSED. + (lookup_interface): Likewise for parameter `arg'. + (is_class_name): Likewise. + (maybe_objc_check_decl): Likewise for parameter `decl'. + (maybe_objc_comptypes): Likewise for parameters `lhs', `rhs' and + `reflexive'. + (maybe_objc_method_name): Likewise for parameter `decl'. + (build_objc_string): Likewise for parameters `len' and `str'. + + * c-lex.c: Include output.h. + + * c-lex.h (position_after_white_space): Correct typo in prototype. + + * c-tree.h (finish_file, c_expand_start_cond, c_expand_start_else, + c_expand_end_cond, init_iterators): Add prototypes. + + * caller-save.c (set_reg_live): Mark parameters `reg' and `setter' + with ATTRIBUTE_UNUSED. + + * calls.c: Include output.h. + + * cccp.c (pipe_closed): Mark parameter `signo' with + ATTRIBUTE_UNUSED. + + * combine.c: Move inclusion of expr.h to after insn-config.h. + + * iris6.h (ASM_IDENTIFY_GCC, ASM_IDENTIFY_LANGUAGE): Don't define + as empty, rather define as ((void)0). + + * sparc.c (sparc_check_64): Add braces around ambiguous `else'. + Add parentheses around assignment used as truth value. + + * cplus-dem.c (squangle_mop_up): Change return type to void. + (internal_cplus_demangle): Remove unused parameter `options'. + All callers changed. + (cplus_demangle_opname): Remove function wide variable `int i' and + replace with `size_t i' at each location where it is used. + (cplus_demangle_opname): Change type of `i' from int to size_t. + + * cppexp.c (right_shift): Mark parameter `pfile' with + ATTRIBUTE_UNUSED. + + * cpphash.c (cpp_lookup): Likewise. + (cpp_hash_cleanup): Likewise. + + * cpplib.c (parse_name): Add a prototype and make it static. + (null_underflow): Mark parameter `pfile' with ATTRIBUTE_UNUSED. + (null_cleanup): Likewise for parameters `pbuf' and `pfile'. + (macro_cleanup): Likewise for parameter `pfile'. + (file_cleanup): Likewise. + + * cpplib.h (cpp_reader_init, cpp_options_init, cpp_start_read, + cpp_read_check_assertion, skip_rest_of_line): Add prototypes. + + * crtstuff.c (force_to_data, __CTOR_LIST__, force_to_data, + __DTOR_END__, __FRAME_END__): Mark with ATTRIBUTE_UNUSED. + + * cse.c (cse_check_loop_start): Mark parameter `set' with + ATTRIBUTE_UNUSED. + + * dbxout.c (flag_minimal_debug, have_used_extensions, + source_label_number): Move inside macro wrapper check against + defined (DBX_DEBUGGING_INFO) || defined (XCOFF_DEBUGGING_INFO). + + * dwarf2out.c (gen_entry_point_die): Hide prototype and definition. + + * except.h (doing_eh): Provide prototype. + + * expr.c: Move inclusion of expr.h to after insn-config.h. + + * final.c: Include reload.h. + (shorten_branches): Cast the first argument of bzero to char *. + + * fix-header.c (cpp_print_containing_files): Mark parameter + `pfile' with ATTRIBUTE_UNUSED. + (cpp_fatal): Likewise. + + * flow.c (find_basic_blocks_1): Cast the first argument of bzero + to char *. + + * genattrtab.c (make_length_attrs): Change the type of variable + `i' from int to size_t. + (zero_fn): Mark parameter `exp' with ATTRIBUTE_UNUSED. + (one_fn): Likewise. + + * genextract.c (main): When generating insn-extract.c, mark + variable `junk' with ATTRIBUTE_UNUSED. + + * gengenrtl.c (gencode): When generating genrtl.c, cast the first + argument of bzero to char*. + + * integrate.c: Include toplev.h. + + * libgcc2.c: Wrap `struct exception_table' and + `find_exception_handler' in macro DWARF2_UNWIND_INFO. + + * objc/Make-lang.in (objc-act.o): Depend on toplev.h. + + * objc/objc-act.c: Include toplev.h. + (lang_print_xnode): Mark parameters `file', `node' and `indent' + with ATTRIBUTE_UNUSED. + (finish_protocol): Likewise for parameter `protocol'. + + * output.h (declare_weak): Add prototype. + (decode_reg_name): Don't wrap with TREE_CODE macro. + (assemble_alias): Add prototype. + + * regclass.c: Include output.h. + + * reload.h (reloads_conflict): Add prototype. + + * rtl.h (print_rtl_single, mark_elimination, reg_class_subset_p, + output_func_start_profiler): Add prototypes. + + * rtlanal.c (reg_set_p_1): Mark parameters `x' and `pat' with + ATTRIBUTE_UNUSED. + + * scan-decls.c: Include scan.h. + + * scan.h (recognized_function, recognized_extern): Add prototypes. + + * stmt.c: Include output.h. + + * toplev.c (error_for_asm, warning_for_asm): Remove prototypes. + (output_lang_identify): Hide prototype and definition. + (float_signal): Mark parameter `signo' with ATTRIBUTE_UNUSED. + (pipe_closed): Likewise. + + * toplev.h (count_error, strip_off_ending, error_for_asm, + warning_for_asm): Add prototypes. + +Wed May 13 12:54:19 1998 Michael Meissner <meissner@cygnus.com> + + * toplev.c (rest_of_compilation): "Charge" final for any time + doing various cleanup operations after finishing compilation + of a function. + + * flow.c (dump_flow_info): Also print number of sets and + whether or not the pseudo is a user variable. + + * flow.c (reg_n_max): New global variable. + * regclass.c (allocate_reg_info): Keep reg_n_max up to date. + Delete regno_max variable. + * regs.h (REG_N_CHECK): Define. + (REG_N_REFS, REG_N_SETS, REG_N_DEATHS): Use REG_N_CHECK. + (REG_N_CHANGES_SIZE, REG_N_CALLS_CROSSED, REG_LIVE_LENGTH): Likewise. + (REGNO_FIRST_UID, REGNO_LAST_UID, REGNO_LAST_NOTE_UID): Likewise. + +Wed May 13 12:54:19 1998 Martin von Löwis <martin@mira.isdn.cs.tu-berlin.de> + + * acconfig.h (ENABLE_CHECKING): Undefine. + * configure.in (--enable-checking): New option. + +Wed May 13 08:52:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * reload1.c (merge_assigned_reloads): Can merge + RELOAD_FOR_INPUT_ADDRESS and RELOAD_FOR_OTHER_ADDRESS even + if RELOAD_FOR_INPUT with the same reload_reg_rtx is present. + +Tue May 12 20:05:57 1998 Jim Wilson <wilson@cygnus.com> + + * collect2.c (main): Ignore do_collecting when COLLECT_EXPORT_LIST. + +Wed May 13 03:23:45 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * reload1.c (gen_reload): Create REG_EQUIV notes. + +Tue May 12 22:21:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * reload1.c (reload): Fix check for USEs to use code of pattern. + (choose_reload_regs): Remove dead variable use_insn. + +Tue May 12 14:04:49 1998 Jeffrey A Law (law@cygnus.com) + + * pa.h (DBX_CONTIN_LENGTH): Reduce to 3000 bytes. + +Tue May 12 15:16:02 1998 Michael Meissner <meissner@cygnus.com> + + * haifa-sched.c (HAIFA_INLINE): Define to be __inline unless + already defined. + (find_insn_{,mem_}list): Use HAIFA_INLINE, not __inline. + (insn_{unit,issue_delay}): Likewise. + (blockage_range): Likewise. + (actual_hazard{,_this_instance}): Likewise. + (schedule_unit): Likewise. + (potential_hazard): Likewise. + (insn_cost): Likewise. + (swap_sort): Likewise. + (queue_insn): Likewise. + (birthing_insn_p): Likewise. + (adjust_priority): Likewise. + (get_block_head_tail): Likewise. + (init_rgn_data_dependences): Likewise. + +Tue May 12 10:27:54 1998 Klaus Kaempf <kkaempf@progis.de> + + * alpha/vms.h (COMMON_ASM_OP, ASM_OUTPUT_ALIGNED_COMMON): Define. + +Tue May 12 11:44:14 1998 Gavin Koch <gavin@cygnus.com> + + * config/mips/mips.h (ASM_OUTPUT_ALIGN): Remove trailing semi-colon. + +Tue May 12 11:38:31 1998 Gavin Koch <gavin@cygnus.com> + + * config/mips/mips.md (dslot): Move after definition of "cpu" + attribute. Handle r3900 case. + +Tue May 12 10:21:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * system.h: Define the STRINGIFY macro here. + * protoize.c: Not here. + * gengenrtl.c (DEF_RTL_EXPR): Use the STRINGIFY macro. + +Tue May 12 00:47:33 1998 John Wehle (john@feith.com) + + * varasm.c (assemble_variable): Compute the alignment of the data + earlier so that both initialized and uninitialized variables are + effected by DATA_ALIGNMENT. + * tm.texi (DATA_ALIGNMENT): Updated appropriately. + +Mon May 11 19:57:58 1998 Jeffrey A Law (law@cygnus.com) + + * mips.c: Prototype static functions. + +Mon May 11 17:43:03 1998 Jim Wilson <wilson@cygnus.com> + + * regmove.c (fixup_match_2, find_matches, regmove_profitable): + Add explanatory comments. + + * sparc.h (SPARC_INCOMING_INT_ARG_FIRST): Support TARGET_FLAT. + +Mon May 11 17:24:27 1998 Richard Henderson <rth@cygnus.com> + + * sparc.md (ffsdi2): Disable. Simplify the expression as well. + +Mon May 11 13:30:44 1998 Jim Wilson <wilson@cygnus.com> + + * varasm.c (make_decl_rtl): Disable April 1 change. + +Mon May 11 09:14:41 1998 Richard Henderson <rth@cygnus.com> + + * configure.in (alpha-*-linux-gnu): Undo lossage from gcc2 merge. + +Mon May 11 08:24:18 1998 Richard Henderson <rth@cygnus.com> + + * alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Add '`'. + * alpha.c (print_operand): Handle it. + * alpha.md (fix_truncdfsi2, fix_truncsfsi2): New patterns and + related define_splits. Also add peepholes for SImode reload + plus sign_extend lossage. + +Mon May 11 09:33:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * genattr.c: Include stdarg.h/varargs.h. Change function + `fatal' to use variable arguments instead of faking it with + integer parameters. Provide a prototype which also + checks the format specifiers using ATTRIBUTE_PRINTF_1. + + * genattrtab.c: Likewise. + * gencodes.c: Likewise. + * genconfig.c: Likewise. + * genemit.c: Likewise. + * genextract.c: Likewise. + * genflags.c: Likewise. + * genopinit.c: Likewise. + * genpeep.c: Likewise. + * genrecog.c: Likewise. + * genoutput.c: Likewise. Similarly for function `error'. + +Sun May 10 02:27:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * acconfig.h (HAVE_VOLATILE): Insert stub for autoconf. + * alocal.m4 (GCC_C_VOLATILE): New autoconf test. + * configure.in: Use GCC_C_VOLATILE. + * system.h (volatile): Define as empty if no volatile support is + available. + +Sun May 10 01:21:43 1998 Jeffrey A Law (law@cygnus.com) + + * genemit.c (output_add_clobbers): Removed unused variable 'i' from + generated function. + +Sat May 9 02:02:15 1998 Richard Henderson <rth@cygnus.com> + + * loop.c (get_condition): Don't combine when either compare is MODE_CC. + * alpha.c (alpha_emit_conditional_branch): New function. Taken from + the body of beq; additionally set the mode of the branch to CCmode for + FP compares and not fast_math. + (alpha_emit_conditional_move): Always use a compare insn for FP + when not fast_math, as well as setting CCmode on the cmov. + * alpha.md (beq, bne, blt, et al): Call alpha_emit_conditional_branch. + + * machmode.h (COMPLEX_MODE_P): New macro. + +Sat May 9 01:53:23 1998 Richard Henderson <rth@cygnus.com> + + * haifa-sched.c (print_exp): Fix typo. + +Fri May 8 21:48:50 1998 Jeff Law (law@cygnus.com) + + * version.c: Bump for snapshot. + +Fri May 8 18:23:08 1998 Michael Meissner <meissner@cygnus.com> + + * final.c (final_scan_insn): Call fatal_insn instead of abort if + we could not split an insn when required to. + + * m32r.md ({add,sub}di3): Add define_splits and appropriate low + level insns. + (peepholes): Disable peepholes that call dead_or_set_p. + (movsi): Rewrite to handle addresses better after last change. + Add define_split to split load of addresses in large/medium modes. + (prologue): Call m32r_expand_prologue. + (movsi_{push,pop}): Generators for push/pop. + (movsi): Support PRE_{INC,DEC}, POST_INC. + (mov{di,df}): Rewrite. Always split the insns. + (movsf): Add define_split to get register load in correct mode. + (cmp_ne_small_const_insn): Use 'N' instead of 'S' constraint. + (attributes): Rewrite attributes so that type indicates both the + type and the length of the insn directly. + (all insns): Change to use new type attributes. + (debug): New attribute to convey whether -mdebug was used. + (opt_space): New attribute to convey whether -Os was used. + (function units): Loads are 3 cycles, not 2. Better classify all + insns into short/long. + (load/store/extend insns): Add separate case for load/store + indirect operations without an offset. + (divsi3): Division is a long operation, not short. + + * m32r.h (LEGITIMATE_LO_SUM_ADDRESS_P): Do not allow LO_SUM for + modes > 1 word. + (GO_IF_MODE_DEPENDENT_ADDRESS): LO_SUM is now mode dependent. + (CONST_OK_FOR_LETTER_P): Make 'N' handle reverse 8 bit compares. + (EXTRA_CONSTRAINT): Remove 'S' special support. Add 'U' for + operands with PRE_{INC,DEC}, POST_INC. + (FUNCTION_PROFILER): Call abort instead of doing nothing. + (GO_IF_LEGITIMATE_ADDRESS): Allow PRE_{INC,DEC}, POST_INC of + SImode variables. + (gen_split_move_double): Declare. + (EXTRA_CONSTRAINT): Add 'T' for memory reference with no offset. + + * m32r.c (gen_split_move_double): Fix typo. Also, don't call + emit_move_insn, build up SET's directly. + (toplevel): Include system.h, not stdio.h. + (move_double_src_operand): Allow any DF or DI mode constant. + (gen_split_move_double): Split moves of DI or DF values into the + appropriate moves, loads, or stores. Don't handle use of auto + inc/dec if using dead index. Do handle overlapping moves, etc. + (m32r_frame_info): Remove prologue_size field. + (m32r_compute_frame_size): Don't calculate prologue size. + (m32r_output_function_prologue): Change to pretty much a NOP. + (m32r_expand_prologue): Expand prologue as a series of INSNs. + (m32r_print_operand): Add support for PRE_{INC,DEC}, POST_INC. + (m32r_print_operand_address): Likewise. + +Fri May 8 14:13:21 1998 H.J. Lu (hjl@gnu.org) + + * reload1.c (emit_reload_insns): When performing expensive + optimizations, do not output the last reload insn if OLD is + not the dest of NSN and is in the src and is clobbered by INSN. + +Fri May 8 09:47:29 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * Makefile.in (genrtl.o): Depend on system.h. + * gengenrtl.c (gencode): When creating genrtl.c, have it + include system.h. + +Fri May 8 10:57:33 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> + + * config/m68k/t-linux: Remove extra stuff already included in + config/t-linux. + +Fri May 8 09:53:24 1998 Paul Eggert <eggert@twinsun.com> + + * fixinc.wrap: Renamed from fixinc.math. Put wrapper around + curses.h if it contains `typedef char bool;', as suggested by + Manfred Hollstein <manfred@s-direktnet.de>. + + * configure.in: Rename fixinc.math to fixinc.wrap. + +Thu May 7 19:26:34 1998 Jim Wilson <wilson@cygnus.com> + + * gcc.c (read_specs): Handle missing blank line at end of specs file. + + * i386.md (movsicc, movhicc, movsicc_1, movhicc_1, movsfcc_1, + movdfcc_1): Disable. + +Thu May 7 15:39:14 1998 Jim Wilson <wilson@cygnus.com> + + * configure.in (enable_threads): Rename to enable_threads_flag before + main loop. Set enable_threads to enable_threads_flag inside main + loop. + +Thu May 7 17:38:03 1998 Michael Meissner <meissner@cygnus.com> + + * r6000/eabi.asm (__eabi): Restore LR in case __eabi is called + multiple times. + +Thu May 7 14:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * aclocal.m4 (GCC_FUNC_VFPRINTF_DOPRNT): New macro. + + * configure.in: Add a call to GCC_FUNC_VFPRINTF_DOPRNT. + (AC_CHECK_HEADERS): Remove unused check for varargs.h,sys/varargs.h. + (AC_CHECK_FUNCS): Remove unused check for vprintf. + + * Makefile.in: Add support for linking in vfprintf.c and doprint.c. + (cccp.o): Depend on gansidecl.h. + (cexp.o): Likewise. + + * cccp.c: Convert from using PRINTF_ALIST/PRINTF_DCL to VPROTO as + per the rest of gcc source. + * cexp.y: Likewise. Include gansidecl.h and remove all code made + redundant. + + * cccp.c: Remove checks for HAVE_VPRINTF and the associated code + used when vfprintf is missing. + * cexp.y: Likewise. + * gcc.c: Likewise. + * genattrtab.c: Likewise. + * mips-tfile.c: Likewise. + * toplev.c: Likewise. + + * vfprintf.c: New file. + * doprint.c: New file. + +Thu May 7 10:18:41 1998 Jeffrey A Law (law@cygnus.com) + + * config/linux.h (ASM_COMMENT_START): Remove from here, + * config/linux-aout.h (ASM_COMMENT_START): and here, + * config/i386/linux.h (ASM_COMMENT_START): to here, + * config/i386/linux-aout.h (ASM_COMMENT_START): and here. + * config/i386/linux-oldld.h (ASM_COMMENT_START): Define + here as '#' too. + +Thu May 7 10:55:59 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> + + * config/m68k/m68k.md (adddi3, subdi3): Properly negate the DImode + constant. + +Wed May 6 22:32:37 1998 Robert Lipe <robertl@dgii.com> + + * Makefile.in (dwarfout.o): Add toplev.h dependency. + * dwarfout.c, i386.c: Include toplev.h. + * toplev.h (pfatal_with_name): Add prototype. + +Wed May 6 19:02:29 1998 Jason Merrill <jason@yorick.cygnus.com> + + * Makefile.in: Fix .SUFFIXES. + +Wed May 6 19:31:32 1998 Alan Modra <alan@spri.levels.unisa.edu.au> + + * config/linux.h (ASM_COMMENT_START): Define as "#". + * config/linux-aout.h (ASM_COMMENT_START): Likewise. + +Wed May 6 15:51:39 1998 Jim Wilson <wilson@cygnus.com> + + * objc/Make-lang.h (objc-parse.o): Add toplev.h dependency. + * objc/objc-parse.y, objc/objc-parse.c: Regenerate. + + * toplev.c: Include toplev.h. + * Makefile.in (c-common.o, c-convert.o, c-decl.o, c-iterate.o, + c-lex.o, c-parse.o, c-pragma.o, c-typeck.o, calls.o, convert.o, + dwarf2out.o, except.o, expr.o, final.o, fold-const.o, function.o, + hash.o, profile.o, real.o, reg-stack.o, regclass.o, reload.o, + reload1.o, stmt.o, stor-layout.o, tlink.o, tree.o, varasm.o): Add + toplev.h dependency. + + * mips/mips.c (save_restore_insns): Change FRAME_POINTER_REGNUM to + HARD_FRAME_POINTER_REGNUM. + + * expr.c (target_temp_slot_level): Delete duplicate definition. + +Wed May 6 16:46:01 1998 Jeffrey A Law (law@cygnus.com) + + * stmt.c (mark_seen_cases): Make it have external linkage again. + * expr.h (mark_seen_cases): Add declaration, but only when tree.h + has been included. + + * haifa-sched.c (print_value, case SUBREG): Fix typo. + + * i386.c (output_387_binary_op): Add some braces to avoid warnings. + * i386.h (REG_CLASS_CONTENTS): Similarly. + + * toplev.c (-fsched-max): Delete flag. + (-fsched-interblock-max-blocks,-fsched-interblock-max-insns): Likewise. + * haifa-sched.c: Remove -fsched-max-N, -fsched-interblock-max-blocks-N + and -fsched-interblock-max-insns-N support. Remove INTERBLOCK_DEBUG + conditionals. + + * haifa-sched.c (find_rgns): Correctly handle reducible loops with + inner loops which are not reducible. + + * loop.c (regs_match_p): Fix typo in prototype. + + * regmove.c (try_auto_increment): Wrap declaration inside an + #ifdef AUTO_INC_DEC. + +Wed May 6 17:07:47 1998 Michael Meissner <meissner@cygnus.com> + + * final.c (output_operand_lossage): Call fatal with the operand + lossage message instead of calling abort. + +Wed May 6 15:37:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * c-common.c: Convert to using ctype macros defined in system.h. + * c-lex.c: Likewise. + * cccp.c: Likewise. + * collect2.c: Likewise. + * rs6000.c: Likewise. + * cpplib.c: Likewise. + * fix-header.c: Likewise. + * gcc.c: Likewise. + * gen-protos.c: Likewise. + * pexecute.c: Likewise. + * protoize.c: Likewise. + * rtl.c: Likewise. + * scan.c: Likewise. + * stmt.c: Likewise. + * tlink.c: Likewise. + * toplev.c: Likewise. + +Wed May 6 14:44:14 1998 Gavin Koch <gavin@cygnus.com> + + * config/mips/r3900.h (SUBTARGET_ASM_DEBUGGING_SPEC) : + Replace -gdwarf-2 with -g0. + +Wed May 6 11:43:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * Makefile.in (mips-tfile.o, mips-tdump.o): Depend on system.h. + * mips-tdump.c: Include system.h, remove redundant headers. + * mips-tfile.c: Likewise. Also, convert all ctype function calls + to calls of the macro versions defined in system.h. + + * objc/Make-lang.in (objc-act.o): Depend on system.h. + * objc/objc-act.c: Include system.h, remove redundant headers. + +Wed May 6 11:21:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * configure.in (AC_CHECK_FUNCS): Add isascii. + (GCC_NEED_DECLARATIONS): Add atof. + + * system.h: Provide prototypes for abort, atof, atol and sbrk here. + * rtl.c, rtl.h, toplev.c, tree.h: Not here. + +Wed May 6 10:52:49 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * system.h: Wrap time.h and sys/file.h in autoconf checks. + Provide default definitions for O_RDONLY and O_WRONLY here. + + * cccp.c, cpplib.c, fix-header.c, gcc.c, protoize.c: Not here. + +1998-05-06 Mark Mitchell <mmitchell@usa.net> + + * tree.h (IS_EXPR_CODE_CLASS): Remove bogus '3'. + +Wed May 6 06:35:38 1998 Robert Lipe <robertl@dgii.com> + + * toplev.h: New file. Protypes for functions in toplev.c. + * tree.h, rtl.h: Deleted protos for functions in toplev.c. + * c-common.c, c-convert.c, c-decl.c, c-iterate.c, c-lex.c, + c-parse.in, c-parse.y, c-pragma.c, c-typeck.c, calls.c, + convert.c, dwarf2out.c, except.c, expr.c, final.c, fold-const.c, + function.c, hash.c, profile.c, real.c, reg-stack.c, regclass.c, + reload.c, reload1.c, stmt.c, stor-layout.c, tlink.c, tree.c, + varasm.c: Include it. + +Wed May 6 01:09:01 1998 Jeffrey A Law (law@cygnus.com) + Jim Wilson (wilson@cygnus.com) + + * haifa-sched.c (find_rgns): In no_loops case, fix test for leaf + blocks. Check for 1 successor which is the EXIT_BLOCK. + + * haifa-sched.c (find_rgns): Detect unreachable blocks, including + unreachable loops with more than one block. + +Wed May 6 08:22:24 1998 Manfred Hollstein <manfred@s-direktnet.de> + + * fix-header.c (write_rbrac): Add "abort" to functions which need to + be protected. + +Wed May 6 00:09:36 1998 Jeffrey A Law (law@cygnus.com) + + * Check in merge from gcc2. See ChangeLog.12 for details. + +Tue May 5 14:33:49 1998 Jim Wilson <wilson@cygnus.com> + + * c-common.c (scan_char_table): Separate 's' and 'c'. 'c' does not + accept 'a' flag. 'S' does accept 'a' flag. + (check_format_info): When pedantic, warn for m/C/S/a/A formats, + and `a' flag. + + * elf64.h (MULTILIB_DEFAULTS): Move definition after mips.h include. + +Tue May 5 10:50:39 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> + + * config/m68k/m68k.h: Declare functions from m68k.c used in + macros and machine description. + (ASM_OUTPUT_LONG_DOUBLE): Always use `l' flag in print format for + long values. + (ASM_OUTPUT_FLOAT): Likewise. + (ASM_OUTPUT_FLOAT_OPERAND): Likewise. + +Tue May 5 01:28:12 1998 Jason Merrill <jason@yorick.cygnus.com> + + * tree.def: Add NAMESPACE_DECL. + * dwarfout.c (type_ok_for_scope): Ignore NAMESPACE_DECLs for now. + * dwarf2out.c (push_decl_scope): Likewise. + (scope_die_for): Likewise. + * tree.c (decl_function_context): Use TREE_CODE_CLASS to determine + how to get next context level. + +Tue May 5 01:43:16 1998 Jim Wilson <wilson@cygnus.com> + + * i386.c (output_fix_trunc): Add code to emulate non-popping DImode + case. + +Tue May 5 01:15:06 1998 Jeffrey A Law (law@cygnus.com) + + * h8300.h (ADDITIONAL_REGISTER_NAMES): Add "er" registers. + + * reorg.c (fill_slots_from_thread): Update REG_DEAD/REG_UNUSED notes + for any insns skipped at the start of a block because they were + redundant. + +Mon May 4 20:23:51 1998 Jim Wilson <wilson@cygnus.com> + + * alpha.h (DBX_CONTIN_LENGTH): Decrease to 3000. + +1998-05-04 Ulrich Drepper <drepper@cygnus.com> + + * c-common.c (format_char_info): Add new field hhlen. + (print_char_table, scan_char_table, time_char_table): Initialize + hhlen field appropriately. + (char_format_info): Recognize hh modifier and lookup correct char + table entry. + +Mon May 4 19:15:29 1998 Jim Wilson <wilson@cygnus.com> + + * expr.c (expand_expr, case INDIRECT_REF): Don't optimize string + reference if this is a store. + +Mon May 4 17:25:17 1998 Richard Henderson <rth@cygnus.com> + + * sparc.c (output_move_quad): Fix typo in mov_by_64 argument. + +Sun May 3 23:57:25 1998 Robert Lipe <robertl@dgii.com> + + Make UnixWare 7 bootstrap support work with final shipping product. + * configure.in (i[34567]86-*-sysv5): Append, not overwrite, xm_file. + Pick up xm-siglist and xm-alloca. + (xm_defines): Add USG so dbxout will build. + * configure: Regenerate. + +Sun May 3 13:51:34 1998 Richard Henderson <rth@cygnus.com> + + Support for official SPARC V9 ABI: + * sparc.c (sparc_override_options): Force stack bias off for !arch64. + Care for flag_pcc_struct_return default. + (output_move_quad): Rewrite to move by halves on v9 and in the + proper direction. + (move_quad_direction): New function. + (output_fp_move_quad): Use it to determine the direction of copy. + (function_arg_slotno): Return -1 for FP reg overflow as well. + (function_arg_record_value*): New functions. + (function_arg): Use them. Streamline unprototyped parameter passing. + (function_arg_pass_by_reference): Pass TCmode by reference. + (function_value): New function. + * sparc.h (PTRDIFF_TYPE, SIZE_TYPE): For -pedantic's sake, don't use + long long in 64-bit mode. + (RETURN_IN_MEMORY): v9 returns structs < 32-bytes in regs. + (DEFAULT_PCC_STRUCT_RETURN): Make the default detectable. + (BASE_RETURN_VALUE_REG): Consider complex float types for arch64. + (BASE_OUTGOING_VALUE_REG, BASE_PASSING_ARG_REG): Likewise. + (BASE_INCOMING_ARG_REG): Likewise. + (FUNCTION_VALUE): Call function_value. + (FUNCTION_OUTGOING_VALUE, LIBCALL_VALUE): Likewise. + * sparc.md (movdi_sp32_v9): Disable for arch64. + (movsf, movdf, movtf): Sort all alternatives using fp regs first. + (call_value_address_sp64): Remove register class constraints. + (call_value_symbolic_sp64): Likewise. + (nonlocal_goto): Pass label reg directly to goto_handlers. Constrain + v9 case to 32-bit constants. + (goto_handler_and_restore_v9): Provide a version for arch64. + * sparc/linux64.h (SIZE_TYPE, PTRDIFF_TYPE): Remove private definition. + * sparc/sp64-aout.h (TARGET_DEFAULT): Turn on stack bias. + (CPP_PREDEFINES): New. + * sparc/sp64-elf.h: Likewise. + (PREFERRED_DEBUGGING_TYPE): Dwarf2. + (ASM_OUTPUT_DWARF2_ADDR_CONST): New. + * sparc/sysv4.h (SIZE_TYPE, PTRDIFF_TYPE): Undo svr4.h's changes. + +Sat May 2 17:47:17 1998 Jeff Law (law@cygnus.com) + + * version.c: Bump for snapshot. + +Sat May 2 01:37:29 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * reload.c (find_reloads): Emit USEs to mark where a pseudo + is reloaded with the MEM of its stack slot. + * reload1.c (cannot_omit_stores): Delete. + (reload): Don't initialize it. + Don't apply avoid_return_reg logic to USEs. + When done, remove USEs that have a REG_EQUAL note on them. + (emit_reload_insns): Handle case where we have inherited a MEM. + (choose_reload_regs): Likewise. + (delete_output_reload): Don't use cannot_omit_stores. + +Thu Apr 30 18:59:03 1998 Jim Wilson <wilson@cygnus.com> + + * Makefile.in (cpp.info, gcc.info): Put -o option before input file. + +Thu Apr 30 16:57:34 1998 Michael Meissner <meissner@cygnus.com> + + * haifa-sched.c (print_{exp,value}): Various changes to make the + debug output easier to read. Also, use only one buffer, and make + sure the buffer we are passed in doesn't overflow. + (safe_concat): Concatenate to a buffer without overflow. + +Thu Apr 30 16:57:34 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * haifa-sched.c (alloc_{INSN,EXPR}_LIST): Make static to agree + with the prototype. + +Wed Apr 29 21:45:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * sched.c (new_insn_dead_notes): Check if the register was + used in the original instruction. + * haifa-sched.c (new_insn_dead_notes): Likewise. + +Wed Apr 29 13:46:03 1998 Jim Wilson <wilson@cygnus.com> + + * dwarf2out.c (scope_die_for): If could not find proper scope, + check for and handle tagged type with incorrect TYPE_CONTEXT. + +Wed Apr 29 15:34:40 1998 John Carr <jfc@mit.edu> + + * calls.c (expand_call): Fix recognition of C++ operator new. + + * alias.c (mode_alias_check): Disable type based alias detection. + +Wed Apr 29 15:06:42 1998 Gavin Koch <gavin@cygnus.com> + + * config/mips/elf.h (ASM_OUTPUT_DEF,ASM_WEAKEN_LABEL, + ASM_OUTPUT_WEAK_ALIAS): Define. + * config/mips/elf64.h: Same. + * config/mips/r3900.h (ASM_OUTPUT_DEF,SUPPORTS_WEAK, + ASM_WEAKEN_LABEL): Removed. + +Wed Apr 29 10:53:29 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> + + * calls.c (expand_call): Bump the length limit on the specially + recognized function names to 17. + +Tue Apr 28 17:53:33 1998 Jim Wilson <wilson@cygnus.com> + + * ginclude/stddef.h: Add check for _MACHINE_ANSI_H_ for BSD/OS + when undefining macros at the end. + + * expr.c (expand_builtin, case BUILT_IN_MEMSET): Break if either + val or len has TREE_SIDE_EFFECTS set. + + * sparc.md (mulsidi3): Call const v8plus and v8plus routines. + (mulsidi3_v8plus, const_mulsidi3_v8plus): Delete asterisk from name. + (smuldi3_highpart): Call const v8plus routine. + (smulsi3_highpart_v8plus): Renamed from smulsidi3_highpart_v8plus. + (const_smulsi3_highpart_v8plus): New pattern. + (smulsi3_highpart_sp32): Renamed from smulsidi3_highpart_sp32. + (umulsidi3): Call const v8plus routine. + (umulsi3_highpart): Handle const before v8plus. Call const v8plus + routine. + (umulsi3_highpart_v8plus): Renamed from umulsidi3_highpart_v8plus. + (umulsi3_highpart_sp32): Renamed from umulsidi3_highpart_sp32. + +Tue Apr 28 08:55:26 1998 Michael Meissner <meissner@cygnus.com> + + * m32r.c (*_oper{and|ator}): Change enum arguments and return + values to int, so they can be prototyped even in files that don't + include rtl.h. + ({small,large}_insn_p): Likewise. + (m32r_select_cc_mode): Likewise. + (gen_compare): Likewise. + (function_arg_partial_nregs): Likewise. + (m32r_setup_incoming_varargs): Likewise. + (init_reg_tables): Add prototype. + (m32r_frame_info): Add prolog_size field. + (m32r_compute_frame_size): Calculate the size of the prologue. + (m32r_first_insn_address): Return prologue size. + (m32r_output_function_prologue): Calculate frame size before + printing out information. Print out the prologue size. + + * m32r.h: Prototype all functions in m32r.c. + (FIRST_INSN_ADDRESS): Declare, returning prologue size. + + * m32r.md (bcc functions): Cast enum's to int. + + * m32r.c (conditional_move_operand): Silence a debug message. + ({small,long}_insn): New predicates. + + * m32r.h (TARGET_M32R): New macro. + (PREDICATE_CODES): Rearrange somewhat, add small_insn/long_insn. + (HAIFA_P): Define as 1/0 depending on whether the Haifa scheduler + was selected. + (ISSUE_RATE): Define as 2. + + * m32r.md (insn_size): New attribute. + ({,rev_}branch_insn): Add .s qualifier to branches believed to be + short. + (m32r): New attribute. + + * configure.in (enable_haifa): Switch m32r to Haifa by default. + * configure: Regenerate. + + (Changes from Nick Clifton <nickc@cygnus.com>) + * m32r.h (EXTRA_CONSTRAINT): Implement 'S' constraint to perfoirm + the equivalent of a negated 'I' constraint. + (PRESERVE_DEATH_INFO_REGNO_P): Define in order to allow peephole + optimization to work. + + * m32r.md (cmp_ne_small_const_insn): Use 'S' constraint rather + than 'I' since the value is negated. + (peephole): Add peephole optimization to cope with optimization of + divide and subtracts of the same operands. + + * m32r.c zero_and_one, emit_cond_move): Add support for MVFC. + * m32r.h: Likewise. + * m32r.md: Likewise. + + * m32r.h (PREDICATE_CODES): Add declaration of machine specific + predicates. + +Tue Apr 28 07:25:53 1998 Manfred Hollstein <manfred@s-direktnet.de> + + * Makefile.in (libgcc2.ready): Revert last patch (Apr 24). + +Mon Apr 27 18:39:47 1998 Nick Clifton <nickc@cygnus.com> + + * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Check against + frame_pointer_rtx not FRAME_POINTER_REGNUM. + +Mon Apr 27 18:36:28 1998 Jim Wilson <wilson@cygnus.com> + + * reg-stack.c: Revert last patch (Apr 20). + (convert_regs): Set insn to PREV_INSN (next) after do while loop. + + * m68k/lb1sf68.asm (Laddsf$3): Fix typos in mcf5200 exg code. + + * loop.c (check_dbra_loop): New locals jump, first_compare, and + compare_and_branch. Call get_condition to set first_compare. + Set compare_and_branch to number of compare/branch instructions. + Replace PREV_INSN (PREV_INSN (loop_end)) with first_compare. + Replace '2' with compare_and_branch. + +Mon Apr 27 15:53:30 1998 Andrew MacLeod <amacleod@cygnus.com> + + * cplus-dem.c (demangle_qualified): Replace missing else. + +Mon Apr 27 20:22:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * sh.c (gen_ashift_hi): Don't make SUBREG of a SUBREG. + +Mon Apr 27 18:23:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * sh.c (sh_expand_prologue, sh_expand_epilogue): + If TARGET_DOUBLE_ALIGN, preserve 64 bit stack alignment. + * sh.h (STACK_BOUNDARY): Likewise. + +Mon Apr 27 17:22:48 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * sh.h (LEGITIMIZE_RELOAD_ADDRESS): Define. + +Mon Apr 27 08:55:23 1998 Michael Meissner <meissner@cygnus.com> + + * system.h (abort): If abort is not defined, and neither is + USE_SYSTEM_ABORT, redefine abort to call fprintf and exit, + reporting the line and filename of the error. + + * .gdbinit: Add breakpoints on exit and fancy_abort. + + * final.c (split_double): Avoid a compiler warning if + BITS_PER_WORD is less than or equal to HOST_BIT_PER_WIDE_INT. + + * rtl.h (JUMP_{CROSS_JUMP,NOOP_MOVES,AFTER_REGSCAN}): New macros + for calling jump_optimize. + + * toplev.c (rest_of_compilation): Call jump_optimize using JUMP_* + macros, rather than 0/1's. + +Sun Apr 26 23:19:10 1998 Richard Henderson <rth@cygnus.com> + + * alpha.h (CONST_COSTS): Zero is always free. + (RTX_COSTS): Add EV6 costs. Abort if alpha_cpu is unknown. + +Sun Apr 26 15:38:50 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> + + * cplus-dem.c (gnu_special): Fix off-by-one bug when checking the + length in the name of a virtual table. + +Sun Apr 26 01:21:06 1998 Richard Henderson <rth@cygnus.com> + + * alpha.c (print_operand): Don't add 'v' suffix for ALPHA_FPTM_N. + +Sat Apr 25 22:11:38 1998 Jeff Law (law@cygnus.com) + + * version.c: Bump for snapshot. + +Sat Apr 25 17:17:15 1998 Jeffrey A Law (law@cygnus.com) + + * fold-const.c (fold_convert): Fix typo. + +Sat Apr 25 17:55:54 1998 John Carr <jfc@mit.edu> + + * alias.c (alias_invariant): New variable. + (record_base_value): New argument INVARIANT. + (memrefs_conflict_p): If a register has an entry in the alias_invariant + array, try substituting that value for the register. + + * rtl.h: Declare record_base_value. + + * loop.c, unroll.c: Update callers of record_base_value. + + * alias.c (find_base_value, find_base_term): SIGN_EXTEND and + ZERO_EXTEND do not affect base values. + +Fri Apr 24 15:57:02 1998 Jeffrey A Law (law@cygnus.com) + + * dbxout.c (dbxout_type): Fix typo. + (dbxout_range_type): Another HOST_WIDE_INT_PRINT_DEC fix. + + * configure.in: Use CC_FOR_BUILD, not BUILD_CC. + +Fri Apr 24 16:11:47 1998 John Carr <jfc@mit.edu> + + * expr.c (expand_builtin, case MEMSET): Set MEM_IN_STRUCT_P + if the argument is the address of a structure or array. + + * configure.in: Enable Haifa scheduler by default for SPARC. + +Fri Apr 24 20:55:47 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * cse.c (cse_set_around_loop): Don't do optimization when + new pseudos are created. + +Fri Apr 24 11:00:18 1998 Jeffrey A Law (law@cygnus.com) + + * dbxout.c (dbxout_type_fields): Use HOST_WIDE_INT_PRINT_DEC + appropriately. + (dbxout_type_method_1, dbxout_type): Likewise. + (print_int_cst_octal, print_octal, dbxout_symbol): Likewise. + (dbxout_type): Fix check for when to print a type range in + octal vs decimal. + +Fri Apr 24 16:45:03 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * (gen_shl_and, in case 1): Fix comparison with mask. + +Fri Apr 24 06:46:40 1998 Nick Clifton <nickc@cygnus.com> + + * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Disallow frame + pointer as second register in REG+REG pair. + +Fri Apr 24 09:22:23 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * c-common.c (check_format_info): Don't check for the 'x' format + character twice, instead check for 'x' and 'X' + +Fri Apr 24 08:02:30 1998 Manfred Hollstein <manfred@s-direktnet.de> + + * Makefile.in (libgcc2.ready): Add explicit dependency from + $(STMP_FIXPROTO) to ensure all necessary include files have + been created and to guarantee proper parallel builds. + +Fri Apr 24 04:42:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * sh.c (sh_expand_prologue, in !SH3E code): Don't push an extra + register for stdarg functions. + * sh.h (current_function_varargs): Declare. + (FUNCTION_ARG): Ignore NAMED for stdarg functions. + +1998-04-23 Jim Wilson <wilson@cygnus.com> + + * frame.c, libgcc2.c (stdlib.h, unistd.h): Don't include when + inhibit_libc is defined. + + * c-aux-info.c (gen_type): Use DECL_NAME only for TYPE_DECL. + +Thu Apr 23 19:09:33 1998 Jim Wilson <wilson@cygnus.com> + + * profile.c (tablejump_entry_p): New function. + (branch_prob): Add code to recognize MIPS tablejump entry branch. + Use tablejump_entry_p in MIPS and HPPA tablejump checking code. + +Thu Apr 23 15:01:13 1998 Nick Clifton <nickc@cygnus.com> + + * config/arm/arm.c (find_barrier): Return as soon as a barrier is + found, rather than at end of the loop, after the insn has been + changed. + +Thu Apr 23 20:21:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * sh.c (gen_ashift_hi): Implement right shifts via gen_ashift. + * sh.md (ashrhi3_k, lshrhi3_k, lshrhi3_m, lshrhi3, lshrhi3+1): Delete. + +Wed Apr 22 17:07:35 1998 Michael Meissner <meissner@cygnus.com> + + * loop.c (note_addr_stored): Correct function to take 2 arguments, + instead of 1. + + * rtl.def (MATCH_INSN2): Add new matching pattern. + * genrecog.c (add_to_sequence): Support MATCH_INSN2. + +Wed Apr 22 15:52:22 1998 John Carr <jfc@mit.edu> + + * emit-rtl.c (gen_highpart): The high part of a CONST_INT is not zero + if HOST_BITS_PER_WIDE_INT is larger than BITS_PER_WORD. + + * final.c (split_double): Sign extend both halves of a split CONST_INT. + +Wed Apr 22 10:42:45 1998 Jeffrey A Law (law@cygnus.com) + + * mips.c (compute_frame_size): Change only argument to a HOST_WIDE_INT. + +Wed Apr 22 10:53:49 1998 Andrew MacLeod <amacleod@cygnus.com> + + * cplus-dem.c (struct work stuff): Add field for B and K mangle codes. + (cplus_demangle_opname): Call mop_up_squangle. + (cplus_demangle): Initialize squangle info, then call + internal_cplus_demangle. (Most code moved there as well) + (internal_cplus_demangle): New function, performs most of what use + to be done in cplus_demangle, but is only called with this file. + (squangle_mop_up): New function to clean up B and K code data. + (mop_up): Set pointers to NULL after freeing. + (demangle_signature, demangle_template, demangle_class): Add + switch elements to handle K and B codes. + (demangle_prefix, gnu_special, demangle_qualified): Add + code to handle K and B codes. + (do_type, demangle_fund_type): Handle B and K codes. + (remember_Ktype): New function to store K info. + (register_Btype, remember_Btype): New functions for B codes. + (forget_B_and_K_types): New function to destroy B and K info. + +1998-04-21 Jim Wilson <wilson@cygnus.com> + + * stmt.c (check_seenlabel): When search for line number note for + warning, handle case where there is no such note. + +Tue Apr 21 20:48:37 1998 John Carr <jfc@mit.edu> + + * genemit.c (gen_exp): Allow machine description to set mode of + MATCH_OP_DUP. + +Tue Apr 21 16:36:01 1998 John Carr <jfc@mit.edu> + + * alias.c (mode_alias_check): New function. + (true_dependence, anti_dependence, output_dependence): Call + mode_alias_check. + +Tue Apr 21 12:05:32 1998 Jeffrey A Law (law@cygnus.com) + + * mips.h (STACK_BOUNDARY): Allow specific targets to override. + (MIPS_STACK_ALIGN): Similarly. + + * c-common.c (type_for_mode): Handle TI types. + * c-decl.c (intTI_type_node, unsigned_int_TI_type_node): Define. + (init_decl_processing): Handle TI types. + * c-tree.h (intTI_type_node, unsigned_int_TI_type_node): Declare. + + * mips.c (block_move_loop): Test Pmode == DImode instead of + TARGET_MIPS64. + (expand_block_move, save_restore_insns): Likewise. + (function_prologue, mips_expand_prologue): Likewise. + (mips_expand_epilogue): Likewise. + * mips.h (POINTER_SIZE): Allow specific targets to override. + (Pmode): Allow specific targets to override. + (FUNCTION_PROFILER): Test Pmode == DImode instead of TARGET_MIPS64. + (POINTER_BOUNDARY, FUNCTION_MODE): Likewise. + (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise. + (TRAMPOLINE_ALIGNMENT, INITIALIZE_TRAMPOLINE): Likewise. + (CASE_VECTOR_MODE, ASM_OUTPUT_ADDR_VEC_ELT): Likewise. + (ASM_OUTPUT_ADDR_DIFF_ELT, SIZE_TYPE, PTRDIFF_TYPE): Likewise. + * mips.md (indirect, tablejump & casesi support): Test for + Pmode == DImode instead of TARGET_MIPS64. + (call patterns): Likewise. + +Tue Apr 21 09:43:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * objc/sendmsg.c: Define gen_rtx_MEM() to 1, as is already done + for gen_rtx(MEM, ...). + +Tue Apr 21 02:15:36 1998 Richard Henderson <rth@cygnus.com> + + * sparc.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Rewrite + to not be so gross, and to properly function with PIC. + +Mon Apr 20 20:44:25 1998 Jim Wilson <wilson@cygnus.com> + + * frame.c (heapsort): Rename to frame_heapsort. + + * gcc.c (do_spec_1, case '['): Move flag out of loop and initialize it. + +Mon Apr 20 12:43:09 1998 Doug Evans <devans@canuck.cygnus.com> + + * flow.c (sbitmap_vector_alloc): Ensure sbitmaps properly aligned. + +Mon Apr 20 15:04:14 1998 John Wehle (john@feith.com) + + * i386.md (movsf_push, movdf_push, movxf_push): Allow memory + operands during and after reload. + +Mon Apr 20 22:37:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * final.c (shorten_branches, init_insn_lengths): Move code + to free label_align, uid_shuid, insn_lengths, insn_addresses + and uid_align from the former function into the latter one; + Add code to clear these variables. + * sh.h (label_align): Remove declaration. + +Mon Apr 20 14:48:29 1998 Michael Meissner <meissner@cygnus.com> + + * gcc.c (lang_specific_driver): Declare prototype properly so + fatal can be passed to it without error. + + * configure.in (AC_CHECK_FUNCS): Check for strchr and strrchr. + * configure: Regenerate. + * config.in: Add #undef's for strchr and strrchr. + + * protoize.c (toplevel): If we have rindex, but not strrchr, map + rindex to strrchr. + (file_could_be_converted): Use strrchr, not rindex since rindex is + not defined on Linux systems when _POSIX_SOURCE is defined. + (file_normally_convertible): Likewise. + (process_aux_info_file): Likewise. + (main): Likewise. + + * rs6000.md (mov{sf,df} define_splits): When splitting a move of + a constant to an integer register, don't split the insns that do + the simple AND and OR operations, rather just split each word, and + let the normal movsi define split handle it further. + +Mon Apr 20 18:19:40 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * sh.c (find_barrier): Fix bug in ADDR_DIFF_VEC handling. + (split_branches): Call init_insn_lengths. + +Mon Apr 20 07:37:49 1998 Michael Meissner <meissner@cygnus.com> + + * i386.c: Include expr.h to get the change_address prototype + declared. + +Mon Apr 20 01:00:05 1998 H.J. Lu (hjl@gnu.org) + + * reg-stack.c (subst_asm_stack_regs): Change to return the last + new insn generated by this function. + (subst_stack_regs): Likewise. + (convert_regs): Record the last newly generated insn and use + it for change_stack () instead of INSN. + +Sun Apr 19 15:41:24 1998 Manfred Hollstein <manfred@s-direktnet.de> + + * fix-header.c (enum special_file): Undefine enumerators if they + are already defined by include files. + * fixproto (rel_source_file in unistd.h stdlib.h): Prefix file protection + macro with '__' to not pollute user namespace. + +Sun Apr 19 02:42:06 1998 Richard Henderson <rth@cygnus.com> + + * haifa-sched.c (queue_to_ready): Fix typo in prototype. + +Sat Apr 18 23:52:35 1998 Jeff Law (law@cygnus.com) + + * version.c: Bump for snapshot. + +Sat Apr 18 18:30:22 1998 Jim Wilson <wilson@cygnus.com> + + * i386.md (fix_truncsfdi2+[123]): Add + to operand 1 constraints. + + * i386.h (CPP_CPU_DEFAULT): Renamed to CPP_CPU_DEFAULT_SPEC. + Add missing -Dpentium* options. + (CPP_CPU_SPEC): Delete redundant definition. Include cpp_cpu_default + instead of CPP_CPU_DEFAULT. + (EXTRA_SPECS): Add entry for cpp_cpu_default. + +Sat Apr 18 19:06:59 1998 David Edelsohn <edelsohn@mhpcc.edu> + + * rs6000.md (floatsidf2_loadaddr): rs6000_fpmem_offset will be + negative in a stackless frame. + * rs6000.c (rs6000_stack_info): Don't include fixed-size link area + in stackless frame size. Support 64-bit stackless frame size. + Combine fpmem offset calculations and don't add total_size to + offset if not pushing a stack frame. + +Sat Apr 18 15:41:16 1998 Jim Wilson <wilson@cygnus.com> + + * regmove.c (fixup_match_1): In three places, in flag_exceptions + check, change p to q. + +Sat Apr 18 15:30:49 1998 Jim Wilson <wilson@cygnus.com> + + * gcc.c (lang_specific_driver): Add new parm type to prototype. + (added_libraries): New file scope static variable. + (process_command): Initialize added_libraries. Pass it to + lang_specific_driver. + (main): Use added_libraries in check for no input files. + +Sat Apr 18 01:23:11 1998 John Carr <jfc@mit.edu> + + * sparc.c, sparc.h, sparc.md, sol2.h: Many changes related to V9 + code generation. Use 64 bit instructions in 32 bit mode when + possible. Use V9 return instruction. UltraSPARC optimizations. + + * sparc.h: Change gen_rtx (CODE to gen_rtx_CODE (. + +Fri Apr 17 22:38:17 1998 Jeffrey A Law (law@cygnus.com) + + * global.c (global_alloc): Don't pass HARD_CONST (0) to find_reg, + just pass zero. That will work regardless of the size of HARD_REG_SET. + + * libgcc2.c (__floatdisf): Fix a couple typos. + +Fri Apr 17 17:28:26 1998 Jim Wilson <wilson@cygnus.com> + + * Makefile.in (mostlyclean): Delete *.mach and *.bp files. + +Fri Apr 17 16:35:35 1998 Greg McGary <gkm@gnu.org> + + * emit-rtl.c (gen_highpart): Initialize `word' properly for pseudo. + +Fri Apr 17 14:30:37 1998 John Carr <jfc@mit.edu> + + * emit-rtl.c (operand_subword_force): If a register can not be + accessed by words, copy it to a pseudo register. + +Fri Apr 17 14:30:37 1998 Jim Wilson <wilson@cygnus.com> + + * rs6000/vxppc.h (CPP_SPEC): Add support for mrelocatable*. + +Fri Apr 17 17:01:25 1998 Michael Meissner <meissner@cygnus.com> + + * tree.h (mark_seen_cases): Delete declaration. + +Fri Apr 17 13:32:20 1998 Jeffrey A Law (law@cygnus.com) + + * stmt.c (mark_seen_cases): Make static and add prototype. + +Fri Apr 17 11:21:43 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * frame.c: Include stdlib.h and unistd.h to possibly get various + function prototypes. The fixproto script guarantees these header + files exist on the target system. + * libgcc2.c: Likewise. + + * gthr-single.h (__gthread_mutex_lock, __gthread_mutex_trylock, + __gthread_mutex_unlock): Add __attribute__ ((__unused__)) to the + function parameters. + * libgcc2.c (__udiv_w_sdiv): Likewise. + +Thu Apr 16 22:41:02 1998 Jeffrey A Law (law@cygnus.com) + + * varasm.c (asm_output_bss): Add prototype. + (asm_output_aligned_bss): Likewise. + + * unroll.c (verify_addresses): Add prototype. + + * toplev.c: Add many prototypes. Too many to mention here. + + * stmt.c (check_seenlabel): Add prototype. + + * rtlanal.c (reg_set_p_1): Add prototype. + (reg_set_last_1): Likewise. + + * reorg.c (find_dead_or_set_registers): Add prototype. + + * regmove (try_auto_increment): Add prototype. + + * reg-stack.c (pop_stack): Add prototype. + + * recog.c (validate_replace_rtx_1): Add prototype. + (find_constant_term_loc): Likewise. + + * loop.c (regs_patch_p): Add prototype. + (add_label_notes, count_nonfixed_reads): Likewise. + (find_single_use_in_loop): Likewise. + (express_from): Surround prototype with #ifdef. + (giv_sort): Similarly. + + * jump.c (mark_modified_reg): Add prototype. + + * haifa-sched.c (is_prisky): Add prototype. + (queue_to_ready): Likewise. + + * genextract.c (gen_insn): Add prototype. + + * genemit.c (max_operand_1): Add prototype. + (max_operand_vec, print_code, gen_exp, gen_insn): Likewise. + (gen_expand, gen_explit, output_add_clobbers): Likewise. + (output_init_mov_optab): Likewise. + + * genattrtab.c (attr_hash_add_rtx): Add prototype. + (attr_hash_add_string, write_length_unit_log): Likewise. + + * genattr.c (init_range): Add prototype. + + * combine.c (sets_function_arg_p): Add prototype. + + * expr.c (store_constructor_field): Add prototype. + (get_memory_usage_from_modifier): Likewise. + + * expmed.c (synth_mult): Add prototype. + (choose_multiplier, invert_mod2n): Likewise. + + * except.c (push_eh_entry): Add prototype. + (pop_eh_entry, enqueue_eh_entry, dequeu_eh_entry): Likewise. + (call_get_eh_context, start_dynamic_cleanup): Likewise. + (start_dynamic_handler, can_throw): Likewise. + (output_exception_table_entry, scan_region): Likewise. + (eh_regs, set_insn_eh_region): Likewise. + + * dwarfout.c (decl_class_context): Add prototype. + (output_inheritance_die, type_ok_for_scope): Likewise. + + * c-lex.c (skip_white_space_on_line): Add prototype. + + * alias.c (record_set): Add prototype. + (find_base_term, base_alias_check): Likewise. + + * function.c (assign_outer_stack_local): Make static and add prototype. + + * haifa-sched.c (build_control_flow): Accept raw data as inputs + instead of computing it locally. Callers changed. + (find_rgns): Several new arguments. Callers changed. + Generally clean up and comment better. Use dominators to + identify reducible loops. Convert some flag arrays to bitmaps. + Convert most of the code to work on pred/succ lists instead of + an edge table. Add comments for future improvements. + (schedule_insns): Allocate temporary tables for flow data, call + routines to compute flow data and pass it along to children as + arguments. + (debug_control_flow): Delete. Use dump_bb_data instead. + + * basic-block.h (compute_dominators): Declare. + + * flow.c (dump_sbitmap, dump_sbitmap_vector): New debugging + functions. + * basic-block.h: Declare them. + +Thu Apr 16 13:45:51 1998 Jim Wilson <wilson@cygnus.com> + + * reg-stack.c (constrain_asm_operands): Set n_alternatives to zero if + no operands. + +Wed Apr 15 11:33:09 1998 Alexandre Petit-Bianco <apbianco@sendai.cygnus.com> + + * tree.c (build_expr_wfl): Use NULL_TREE if the file name is NULL. + Propagate TREE_SIDE_EFFECTS and TREE_TYPE iff the encapsulated + node is non NULL. Cache last file name and file name identifier node. + +1998-04-15 Mark Mitchell <mmitchell@usa.net> + + * c-common.c (declare_hidden_char_array): Use TYPE_DOMAIN to get + the length of an array, not TREE_TYPE. + +Wed Apr 15 15:31:34 1998 Jeffrey A Law (law@cygnus.com) + + * flow.c (sbitmap_union_of_successors): New function. + * basic-block.h (sbitmap_union_of_successors): Declare it. + +Wed Apr 15 12:38:03 1998 Jim Wilson <wilson@cygnus.com> + + * configure.in (gnu_ld): Rename to gnu_ld_flag before main loop. + Set gnu_ld to gnu_ld_flag inside main loop. + (gas): Likewise. + +Wed Apr 15 14:50:05 1998 Dave Brolley <brolley@cygnus.com> + + * toplev.c (compile_file): Call init_parse using new interface. + (init_lex): Remove declaration. + + * c-lex.c (init_parse): Now returns char* containing filename. + +Wed Apr 15 12:37:10 1998 Jeffrey A Law (law@cygnus.com) + + * pa.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing if not optimizing. + +Wed Apr 15 12:10:18 1998 Michael Meissner <meissner@cygnus.com> + + * Makefile.in (gen{config,flags,codes,emit}): Link in host print-rtl.o. + (gen{extract,peep,opinit,output}): Likewise. + + * gen{attr,codes,config,emit,output}.c (insn_attr_name): Provide a + global definition so print-rtl.o can be linked in. + * gen{peep,recog}.c (insn_attr_name): Likewise. + +Tue Apr 14 07:30:57 1998 K. Richard Pixley <rich@kyoto.noir.com> + + * fixincludes: Discard empty C++ comments, as found in sys/time.h + on hpux-11.0. + +Wed Apr 15 10:47:21 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> + + * config/m68k/m68k.md (adddi3, subdi3): Optimize for constant + operand. + +Wed Apr 15 01:21:21 1998 Jeffrey A Law (law@cygnus.com) + + * emit-rtl.c (operand_subword): Rework slightly to avoid + bogus warning from previous change. + +Tue Apr 14 23:39:13 1998 Richard Henderson <rth@cygnus.com> + + * alpha.md: Revert Oct 27 change, as it is superseded by Kenner's + Nov 8 find_replacement change. Move decls of get_unaligned_address + * alpha.h: ... here. + +Tue Apr 14 22:00:39 1998 John Carr <jfc@mit.edu> + + * function.c (assign_parms): Initialize unsignedp before passing + its pointer to promote_mode. + + * genattrtab.c (check_attr_test): Handle MATCH_INSN like MATCH_OPERAND. + (write_test_expr): Allow MATCH_INSN. + +Tue Apr 14 21:57:57 1998 Paul Eggert <eggert@twinsun.com> + + * install.texi: Update section on warnings that can be safely ignored. + +Tue Apr 14 14:55:16 1998 Jim Wilson <wilson@cygnus.com> + + * mips.md (reload_outdi): Change the scratch mode from DImode to + TImode. New variable scratch, used instead of operand[2] in template. + Add code for MIPS16 HILO_REGNUM case where output reg is not M16_REG_P. + +Tue Apr 14 16:19:03 1998 Michael Meissner <meissner@cygnus.com> + + * expr.c (MOVE_RATIO): Set to 3 if optimizing for space. + +Tue Apr 14 11:31:28 1998 Krister Walfridsson <cato@df.lth.se> + + * i386/bsd386.h (ASM_OUTPUT_ALIGN): Redefine. + +Tue Apr 14 09:02:32 1998 Jeffrey A Law (law@cygnus.com) + + * svr4.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC. + (ASM_FINISH_DECLARE_OBJECT): Likewise. + + * Idea and part of the patch from HJ. + * Makefile.in: auto-host.h renamed from auto-config.h. All references + changed. + (distclean): Remove auto-build.h too. + * configure.in: Rename host autoconf generated file to auto-host.h. + If host != build, then run autoconf to generate auto-build.h for + the build machine and include it in build_xm_files. + Check for wait.h and sys/wait.h. + + * combine.c (simplify_rtx, case TRUNCATE): Respect value of + TRULY_NOOP_TRUNCATION. + +Mon Apr 13 11:31:49 1998 Jason Merrill <jason@yorick.cygnus.com> + + * tree.h (BINFO_OFFSET_ZEROP): Use integer_zerop. + +Sun Apr 12 20:55:32 1998 Catherine Moore <clm@cygnus.com> + + * invoke.texi (ld options): Include memset requirements + for options -nodstdlib and -nodefaultlibs. + +1998-04-12 Paul Eggert <eggert@twinsun.com> + + This change is from an idea suggested by Arthur David Olson. + + * c-common.c (decl_attributes, record_function_format, + check_format_info, init_function_format_info): + Add support for strftime format checking. + (enum format_type): New type. + (record_function_format): Now static, and takes value of type + enum format_type instead of int. + (time_char_table): New constant. + (struct function_format_info): format_type member renamed from is_scan. + (check_format_info): Use `warning' rather than sprintf followed by + `warning', to avoid mishandling `%' in warnings. + Change `pedwarn' to `warning', since these warnings do not necessarily + mean the program does not conform to the C Standard, as the code + need not be executed. + + * c-tree.h (record_function_format): Remove decl; no longer extern. + + * extend.texi: Add documentation for strftime format checking. + +Sun Apr 12 20:23:03 1998 Jeffrey A Law (law@cygnus.com) + + * mips/ecoffl.h: Do not include mips.h. + * mips/elf.h: Likewise. + + * configure.in (mips-*-ecoff): Do not mention mips/mips.h in tm_files. + * mips/ecoff.h: Include "mips/mips.h". + +Sat Apr 11 22:42:54 1998 Jeff Law (law@cygnus.com) + + * version.c: Bump for snapshot. + +Sat Apr 11 01:24:28 1998 Jeffrey A Law (law@cygnus.com) + + * cse.c (count_reg_usage): Correctly handle REG_NONNEG notes. + (delete_trivially_dead_insns): Renamed from delete_dead_from_cse. + * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns instead of delete_dead_from_cse. Also call delete_trivially_dead_insns + between loop optimization passes. + * rtl.h: Updated appropriately. + +Fri Apr 10 22:28:32 1998 Jeffrey A Law (law@cygnus.com) + + Reinstall this patch from Jason. + * function.c (push_function_context_to): Don't call init_emit. + +Fri Apr 10 13:40:20 1998 Nick Clifton <nickc@cygnus.com> + + * rtl.c (read_skip_spaces): Prevent infinite loops upon + encountering unterminated comments. + +Fri Apr 10 10:43:41 1998 Jeffrey A Law (law@cygnus.com) + + * emit-rtl.c (operand_subword): Properly handle CONST_INTs for + 64x32 cross builds. + + * configure.in: Handle --with-fast-fixincludes. + (fixincludes): If --with-fast-fixincludes, then use a different + fixincludes program by default. + * Makefile.in (fixinc.sh): New rule. + +Fri Apr 10 00:36:31 1998 H.J. Lu (hjl@gnu.org) + + * i386.md (movqi+1): Handle invalid QI register. + (movsf_push-1): Likewise. + +Thu Apr 9 16:53:59 1998 Nick Clifton <nickc@cygnus.com> + + * config/m32r/m32r.c: call_address_operand(): Only accept symbolic + addresses. + symbolic_memort_operand(), call32_operand(), int8_operand(), + int16_operand(), uint24_operand(), reg_or_int8_operand(): Removed. + Not used. + uint16_operand(): Made static. + +Thu Apr 9 01:43:04 1998 Jeffrey A Law (law@cygnus.com) + + * calls.c (expand_call): Fix typo. + +Thu Apr 9 00:18:44 1998 Dave Brolley (brolley@cygnus.com) + + * c-lex.c (finput): New global. + (init_parse): Always included. Handle !USE_CPPLIB using + code originally in compile_file. + (finish_parse): Update for CPPLIB. + * toplev.c (init_parse, finish_parse): Declare. + (finput): Delete variable. Now in front-ends. + (compile_file): Remove code which is now handled by init_parse + which is unconditionally called. Similarly for finish_parse. + +Wed Apr 8 23:13:50 1998 Gavin Koch <gavin@cygnus.com> + + * config/mips/r3900.h (ASM_OUTPUT_DEF,SUPPORTS_WEAK, + ASM_WEAKEN_LABEL): Add. + +Wed Apr 8 18:21:30 1998 Richard Henderson <rth@cygnus.com> + + * alpha/crtbegin.asm, alpha/crtend.asm, alpha/t-crtb: New files. + * configure.in (alpha-*-linux*): Use them. + +Fri Apr 3 17:02:13 1998 Alexandre Petit-Bianco <apbianco@cygnus.com> + + * tree.def (EXPR_WITH_FILE_LOCATION): New tree node definition. + * tree.h (EXPR_WFL_{NODE,FILENAME,FILENAME_NODE,LINENO, + COLNO,LINECOL,SET_LINECOL,EMIT_LINE_NOTE}): New macros. + (build_expr_wfl): New prototype declaration. + * tree.c (build_expr_wfl): New function, to build + EXPR_WITH_FILE_LOCATION nodes. + (copy_node): Don't zero TREE_CHAIN if copying a + EXPR_WITH_FILE_LOCATION node. + * print-tree.c (print_node): Handle EXPR_WITH_FILE_LOCATION. + * expr.c (expand_expr): Handle EXPR_WITH_FILE_LOCATION. + +Wed Apr 8 12:51:19 1998 Jeffrey A Law (law@cygnus.com) + + * configure.in (v850): Use t-v850. + (ix86-wrs-vxworks): Recognize 786 just like other x86 configurations. + + * protoize.c (creat, read, write): Do not declare. + + * jump.c (mark_jump_label): Record REG_LABEL notes for insns which + refer to the CODE_LABEL before a dispatch table. + + * invoke.texi: Add ARC options. + + * gcc.c (process_command): Improve error message for -o with + either -c or -S. + + * i386/x-cygwin32 (CLIB): Link in advapi32. + + * alpha.h (ASM_IDENTIFY_GCC): Define to nothing. + (ASM_IDENTIFY_LANGUAGE): Likewise. + + * i386.md (movqi recognizer): Don't perfom byte increment into + a NON_QI_REG_P. + + * configure.in (x86-dg-dgux): Run fixinc.dgux. + + * i370.h: Fix typo in GEN_INT changes. + + * bitmap.c (bitmap_element_allocate): Use "void" for arglist instead + of an empty arglist in prototype. + + * Makefile.in: Remove bytecode crud that crept back in after the + gcc2 merge. + +1998-04-08 Brendan Kehoe <brendan@cygnus.com> + + * c-lex.h (is_class_name): Fix arg type to be tree, not void. + (make_pointer_declarator, reinit_parse_for_function): Fix typo. + +Wed Apr 8 06:16:45 1998 Richard Earnshaw (rearnsha@arm.com) + + * arm.h (LEGITIMIZE_RELOAD_ADDRESS): Define. + +Wed Apr 8 00:44:18 1998 Bernd Schmidt (crux@pool.informatik.rwth-aachen.de> + + * c-lex.c (is_class_name): Delete declaration. + (whitespace_cr): Make static and add prototype. + * c-lex.h (make_pointer_declarator, reinit_parse_for_function, + yylex, get_directive_line): Turn declarations into prototypes. + (position_after_whitespace, check_newline, yyerror,, is_class_name, + forget_protocol_qualifiers, remember_protocol_qualifiers): Add + prototypes. + * genattr.c (extend_range, write_upcase, gen_attr, write_units): Add + prototypes. + * gencodes.c (gen_insn): Add prototype. + * genconfig.c (walk_insn, gen_insn, gen_expand, gen_split, + gen_peephole): Add prototypes. + * genflags.c (num_operands, gen_proto, gen_nonproto, gen_insn): Add + prototypes. + * gengenrtl.c (type_from_format, accessor_from_format, special_rtx, + special_format, find_formats, gendecl, genmacro, gendef, genlegend, + genheader, gencode): Add prototypes. + * genopinit.c (gen_insn): Add prototype. + * genoutput.c (output_prologue, output_epilogue, scan_operands, + process_template, validate_insn_alternatives, gen_insn, gen_peephole, + gen_expand, gen_split, n_occurrences): Add prototypes. + * genpeep.c (gen_peephole): Add prototype. + * loop.c (find_and_verify_loops, mark_loop_jump, prescan_loop, + reg_in_basic_block_p, consec_sets_invariant_p, libcall_other_reg, + labels_in_range_p, count_loop_regs_set, note_addr_stored, + loop_reg_used_before_p, scan_loop, replace_call_address, + skip_consec_insns, libcall_benefit, ignore_some_movables, + force_movables, combine_movables, rtx_equal_for_loop_p, move_movables, + strength_reduce, valid_initial_value_p, find_mem_givs, record_biv, + check_final_value, record_giv, update_giv_derive, basic_induction_var, + simplify_giv_expr, general_induction_var, consec_sets_giv, + check_dbra_loop, express_from, combine_givs_p, combine_givs, + product_cheap_p, maybe_eliminate_biv, maybe_eliminate_biv_1, + last_use_this_basic_block, record_initial, update_reg_last_use, + iteration_info, analyze_loop_iterations, insert_bct, + instrument_loop_bct, indirect_jump_in_function_p): Turn declarations + into prototypes. + +Tue Apr 7 21:48:52 1998 Jeffrey A Law (law@cygnus.com) + + * pa.h (LEGITIMIZE_RELOAD_ADDRESS): Define. + +1998-04-07 Ken Raeburn <raeburn@cygnus.com> + + * config/mips/mips.c (siginfo): Deleted. + (override_options): Don't install SIGINFO signal handler. + +Tue Apr 7 11:58:04 1998 Jim Wilson <wilson@cygnus.com> + + * loop.c (check_dbra_loop): When normalize comparison_val, add check + to verify it is non-negative. + +Tue Apr 7 02:01:47 1998 Richard Henderson <rth@cygnus.com> + + * alpha.c (alpha_expand_block_move): Correctly collect block offsets. + (alpha_expand_block_clear): Likewise. + +Mon Apr 6 23:36:01 1998 Richard Henderson <rth@cygnus.com> + + * tree.h (sizetype_tab): Fix previous change for K&R. + +Mon Apr 6 22:23:29 1998 Jeff Law (law@cygnus.com) + + * version.c: Bump for snapshot. + +Mon Apr 6 23:16:10 1998 Richard Earnshaw (rearnsha@arm.com) + + * configure.in (sparc-*-solaris2*): Add xm-siglist.h to xm_file. + Add USG and POSIX to xm_defines. + +Mon Apr 6 21:49:57 1998 Bob Manson <manson@charmed.cygnus.com> + + * gcc.c: Add linker spec. + (link_command_spec): Use %(linker) instead of ld. + (main): If collect2 is requested as the linker, see if it exists; + if not, use ld instead. + + * Makefile.in (USE_COLLECT2): It's named collect2 now, not ld. + (ld): Deleted. + (install-collect2): Install as collect2, not ld. + + * configure.in(will_use_collect2): It's named collect2 now. + + * collect2: Remove checks to see if we were invoked recursively. + (collect_execute): Use _spawnvp under cygwin32. + +Mon Apr 6 17:23:41 1998 Jim Wilson <wilson@cygnus.com> + + * haifa-sched.c (build_control_flow): Set unreachable for block whose + only predecessor is itself. + +Mon Apr 6 16:08:04 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * c-parse.in: Include system.h, and remove stuff now made redundant. + * cccp.c: Likewise. + * cexp.y: Likewise. + * protoize.c: Likewise. Properly check for cpp stringification. + + * Makefile.in (c-parse.o, cccp.o, cexp.o, protoize.o, unprotoize.o): + Depend on system.h. + + * objc/Make-lang.in (objc-parse.o): Likewise. + +Mon Apr 6 14:59:58 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * gansidecl.h: Check if compiler supports __attribute__. Provide + definitions for ATTRIBUTE_UNUSED and ATTRIBUTE_PRINTF using + __attribute__ when its available. Also provide definitions for + ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2 and ATTRIBUTE_PRINTF_3 in + terms of ATTRIBUTE_PRINTF. + + * genoutput.c (process_template): Use ATTRIBUTE_UNUSED in place + of __attribute__. + +Mon Apr 6 07:17:52 1998 Catherine Moore <clm@cygnus.com> + + * combine.c (can_combine_p): Include successor in volatile test. + +Mon Apr 6 14:16:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * sh.h (CASE_VECTOR_SHORTEN_MODE): Fix logic when to set + offset_unsigned. + +Mon Apr 6 02:03:29 1998 Jeffrey A Law (law@cygnus.com) + + * objc/objc-act.c (encode_aggregate_within): Avoid GNU extensions + in prototype and definition. + +Mon Apr 6 00:48:56 1998 Jeff Law (law@cygnus.com) + + * version.c: Bump for snapshot. + +Mon Apr 6 00:08:50 1998 Richard Henderson <rth@cygnus.com> + + * alpha.c (alpha_expand_block_clear): Add missing offset arg to + alpha_expand_unaligned_store_words. + +Sun Apr 5 21:31:24 1998 John Wehle (john@feith.com) + + * i386.md (movsf_push, movsf_mem): Remove. + (movsf_push): Rename from movsf_push_nomove and move in front of + movsf. Use nonmemory_operand predicate and don't bother checking + TARGET_MOVE. + (movsf_push_memory): New pattern. + (movsf): Don't bother checking for push_operand. If TARGET_MOVE and + both operands refer to memory then force operand[1] into a register. + (movsf_normal): Change to unnamed pattern. + Likewise for movdf, movxf, and friends. + +Sun Apr 5 18:45:51 1998 Jeff Law (law@cygnus.com) + + * version.c: Bump for snapshot. + +Sun Apr 5 16:31:10 1998 Richard Henderson <rth@cygnus.com> + + * configure.in (alpha-dec-osf*): Match osf1.3 correctly. + +Sun Apr 5 16:53:37 1998 Don Bowman <don@pixsci.com> + + * configure.in (mips-wrs-vxworks): New target. + +Sat Apr 4 23:34:32 1998 Jeff Law (law@cygnus.com) + + * expmed.c (synth_mult): The value -1, has no zeros, so it can + never have the form ...011. + + * version.c: Bump for snapshot. + +Sat Apr 4 20:16:46 1998 Richard Henderson <rth@cygnus.com> + + * i386.c (asm_output_function_prefix, load_pic_register): + Use ASM_GENERATE_INTERNAL_LABEL properly. + (output_pic_addr_const): Recognize %X to suppress any PIC sym suffix. + (print_operand): Ignore it. + (load_pic_register): Use it for the got load call. + * i386.md (prologue_set_got, prologue_get_pc): Likewise. + (prologue_get_pc_and_set_got): Likewise. + * i386.h: Update print_operand docs. + +Sat Apr 4 19:08:37 1998 Richard Henderson <rth@cygnus.com> + + * i386.md (ffssi, ffshi): Rewrite as define_expands. + (ffssi_1, ffshi_1): New (unspec [] 5) support patterns. + * i386.c (notice_update_cc): Recognize unspec 5. + +Sat Apr 4 18:07:16 1998 David Mosberger-Tang (davidm@mostang.com) + + * alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Accept '(' for s/sv/svi. + * alpha.c (print_operand): Handle it. + * alpha.md (fix_truncsfdi2): Use it. Add earlyclobber pattern + for ALPHA_TP_INSN. + (fix_truncdfdi2): Likewise. + +Sat Apr 4 17:42:05 1998 Richard Henderson <rth@cygnus.com> + + * tree.h (sizetype_tab[2], sbitsizetype, ubitsizetype): Merge all + of these into a single struct, with additional [us]sizetype entries. + * stor-layout.c (set_sizetype): Initialize [us]sizetype. + * fold-const.c (size_int_wide): Don't rely on sizetype_tab being + an array. + +Sat Apr 4 17:04:41 1998 Richard Henderson <rth@cygnus.com> + + * configure.in (alpha-*-linux-*): Undo tm_file changes from gcc2 merge. + +Sat Apr 4 13:50:01 1998 Richard Henderson <rth@cygnus.com> + + * haifa-sched.c (split_block_insns): Don't suppress insn splitting + on subsequent passes. + + * alpha.c (hard_fp_register_operand): New function. + * alpha.h (PREDICATE_CODES): Add it. + * alpha.md (extendsidi2): Kill bogus f<-f cvtql+cvtlq case. Add an + f<-m case and accompanying define_split. + (trapb): Use a unique unspec_volatile number. + +Sat Apr 4 13:32:08 1998 Richard Henderson <rth@cygnus.com> + + * configure.in (alpha-*-linux-gnu*): Undo Feb 3 change brought in + from gcc2 merge. + +Sat Apr 4 10:23:41 1998 Jeffrey A Law (law@cygnus.com) + + * Check in merge from gcc2. See ChangeLog.11 and ChangeLog.12 + for details. + + * haifa-sched.c: Mirror recent changes from gcc2. + +Fri Apr 3 00:17:01 1998 Jeffrey A Law (law@cygnus.com) + + * Makefile.in (insn*.o): Depend on system.h. + + * pa.c (output_global_address): Initialize base. + * pa.h (GO_IF_LEGITIMATE_ADDRESS): Initialize index. + +1998-04-03 Mike Stump <mrs@wrs.com> + + * gthr.h: Support systems that don't have weak, but have threads. + * configure.in (*wrs-vxworks*): Use VxWorks threads by default. + * gthr-vxworks.h: New file. + * objc/thr-vxworks.h: Dummy file from thr-single.c for now. + +Thu Apr 2 18:00:52 1998 Jim Wilson <wilson@cygnus.com> + + * i386.md (movqi+1): Change alternative 1 from *r/r to *r/*rn. + +1998-04-02 Vladimir N. Makarov <vmakarov@cygnus.com> + + * ginclude/va-i960.h (va_end): Change void * to void. + +Thu Apr 2 13:51:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * Makefile.in (choose-temp.o): Depend on system.h. + + * choose-temp.c: Include system.h when IN_GCC. + +Thu Apr 2 02:37:07 1998 Joern Rennecke (amylaar@cygnus.co.uk) + Richard Henderson <rth@cygnus.com> + + * reload.c (find_reloads_address): Try LEGITIMIZE_RELOAD_ADDRESS. + (move_replacements): New function. + * reload.h: Prototype it. + + * alpha.h (LEGITIMIZE_RELOAD_ADDRESS): New definition. + +Thu Apr 2 01:01:34 1998 Richard Henderson <rth@cygnus.com> + + * configure (alpha-*-linuxecoff, alpha-*-linux-gnulibc1): + Run fixincludes. + + * emit-rtl.c (gen_lowpart_common): Skip count by HARD_REGNO_NREGS. + (gen_highpart): Likewise. + * final.c (alter_subreg): Allow the target to hook by-mode subreg + hard register number changes. + +Wed Apr 1 22:26:22 1998 Jeffrey A Law (law@cygnus.com) + + * fold-const.c optimze_bit_field_compare): Initialize rnbitpos, + rnbitsize, rnmode and rinner. + (make_range): Initialize type. + (fold): Initialize arg0, arg1 and varop. + + * function.c (instantiate_virtual_regs_1): Initialize offset, regnoi + and regnor. + (expand_function_start): Initialize last_ptr. + + * stor-layout.c (layout_record): Initialize desired_align. + (get_best_mode): Initialize unit. + + * tree.c (copy_node): Initialize length. + + * c-lex.c (yylex): Initialize traditional_type, ansi_type and type. + + * caller-save.c (insert_save_restore): Initialize pat, code and + numregs. + + * emit-rtl.c (push_to_sequence): Initialize top. + (push_topmost_sequence): Likewise. + + * genattrtab.c (simplify_by_exploding): Initialize defval. + + * profile.c (branch_prob): Initialize dest. + + * rtl.h (note_stores): Remove duplicate prototype. + (GEN_INT): Reinstate cast of second arg to HOST_WIDE_INT. + + * cplus-dem.c (gnu_special): Don't get confused by .<digits> + strings that are not actually lengths. + + * genattrtab.c: Make generated file use system.h, instead of + including stdio.h, etc directly. + * genextract.c, genopinit.c, genoutput.c: Likewise. + * genpeep.c, genrecog.c: Likewise. + + * genoutput.c (process_template): Mark operands in the generated + function as potentially unused if compiling with GNU CC. + + * i386/freebsd-elf.h (CPP_PREDEFINES): Update from FreeBSD folks. + + * pa.md (reload peepholes): Remove unused variable "mode". + +Wed Apr 1 17:06:19 1998 Nick Clifton <nickc@cygnus.com> + + * config/arm/thumb.h: Add super interworking support. + * config/arm/thumb.c: Add super interworking support. + * config/arm/thumb.md: Add super interworking support. + * config/arm/lib1funcs.asm: Add interworking support. + * config/arm/lib1thumb.asm: Add super interworking support. + * config/arm/t-semi: Add interworking support. + * config/arm/t-thumb: Add interworking support. + * config/arm/README-interworking: New file. + +Wed Apr 1 14:38:10 1998 Jim Wilson <wilson@cygnus.com> + + * config/mips/iris6.h (MD_EXEC_PREFIX): Set to /usr/bin/. + (MD_STARTFILE_PREFIX): Unset. + +1998-04-01 Mark Mitchell <mmitchell@usa.net> + + * varasm.c (make_decl_rtl): Update the DECL_ASSEMBLER_NAME for a + entity in a local scope. + + * fold-const.c (fold): Call truthvalue_conversion for values which + are folded to boolean type. + +Wed Apr 1 06:09:53 1998 Jeffrey A Law (law@cygnus.com) + + * 1750a.md, arm.c, clipper.c, clipper.md: Use GEN_INT consistently. + * convex.h, dsp16xx.c, fx80.md, gmicro.c, gmicro.md: Likewise. + * i370.h, i370.md, i860.c, i860.h, i860.md, i960.c: Likewise. + * i960.h, i960.md, m32r.md, m68k.md, m68kv4.h, m88k.c: Likewise. + * m88k.md, ns32k.c, ns32k.md, pdp11.c, pdp11.h, pdp11.md: Likewise. + * pyr.c, pyr.h, pyr.md, romp.c, romp.h, romp.md: Likewise. + * rs6000.md, sparc.c, sparc.h, sparc.md, spur.c, spur.md: Likewise. + * tahoe.md, vax.h, vax.md, we32k.c, we32k.h, we32k.md: Likewise. + * md.texi: Likewise. + +Wed Apr 1 08:33:44 1998 Manfred Hollstein <manfred@s-direktnet.de> + + * fixincludes (limits.h): Fix nested comments in Motorola's + limits.h and sys/limits.h. + +Tue Mar 31 16:57:33 1998 Jim Wilson <wilson@cygnus.com> + + * alpha.c (alpha_expand_unaligned_load): Use tgt instead of addr + as dest of expand_binop call. + + * alpha.md (extzv): Correct check for valid operand[2] values. + + * profile.c (branch_prob): Add code to recognize HPPA tablejump entry + branch. + + * toplev.c (rest_of__compilation): Call init_recog_no_volatile at end. + +Mon Mar 30 13:11:05 1998 Stan Cox <scox@cygnus.com> + + * libgcc2.c (__main, __do_global_dtors, __do_global_ctors): + For __CYGWIN32__ use the versions in winsup/dcrt0.cc. + + * gcc.c, cccp.c, cpplib.c, collect2.c (GET_ENVIRONMENT): Added. + cygwin32 can override this to allow both unix and win32 style PATHs. + + * i386/xm-cygwin32.h (GET_ENVIRONMENT): Defined to allow win32 + style environment paths. + +Mon Mar 30 14:43:20 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * Makefile.in (cppalloc.o, cpperror.o, cppexp.o, cpphash.o, + cpplib.o, cppmain.o, fix-header.o, gcov.o, gen-protos.o, + gengenrtl.o, halfpic.o, hash.o, scan-decls.o, scan.o): Depend on + system.h. + + * cpphash.c: Include config.h. + * cppalloc.c: Include system.h. Add parameters to various + function prototypes. + * cpperror.c: Likewise. + * cppexp.c: Likewise. + * cpphash.c: Likewise. + * cpplib.c: Likewise. + * cppmain.c: Likewise. + * fix-header.c: Likewise. + * gcov.c: Likewise. + * gen-protos.c: Likewise. + * gengenrtl.c: Likewise. + * halfpic.c: Likewise. + * hash.c: Likewise. + * scan-decls.c: Likewise. + * scan.c: Likewise. + +Mon Mar 30 11:06:45 1998 Jim Wilson <wilson@cygnus.com> + + * README.gnat: Add lang_print_xnode definition. + +Mon Mar 30 11:12:24 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> + + * config/m68k/m68k.c (standard_68881_constant_p): Don't use + fmovecr on the 68060. + +Mon Mar 30 00:21:03 1998 Jeffrey A Law (law@cygnus.com) + + * genemit.c (DONE): Rework so that it works in the true arm if + an if-else conditional. + (FAIL): Likewise. + +Sun Mar 29 12:45:23 1998 Jeffrey A Law (law@cygnus.com) + + * rs6000.c: Do not include stdioh or ctype.h anymore. + + * Makefile.in (c-typeck.o): Delete on expr.h, insn-codes.h and + $(RTL_H). + (stor-layout.o): Likewise. + * c-typeck.c: Include rtl.h and expr.h. + * stor-layout.c: Likewise. + + * cpplib.c (cpp_file_line_for_message): Delete unused parameter. + All callers changed. + (do_sccs): Wrap in an SCCS_DIRECTIVE ifdef. + * fix-header.c (cpp_file_line_for_message): Delete unused parameter. + All callers changed. + + * collect2.c (is_in_list): Wrap inside COLLECT_EXPORT_LIST ifdef. + + * local-alloc.c (reg_classes_overlap_p): Delete dead function. + + * tree.h (lang_print_xnode): Provide prototype. + +Sat Mar 28 23:50:44 1998 Jeff Law (law@cygnus.com) + + * version.c: Bump for snapshot. + +Sun Mar 29 00:42:21 1998 Jeffrey A Law (law@cygnus.com) + + * objc/sendmsg.c (__objc_block_forward): Add braces for return + value if INVISIBLE_STRUCT_RETURN. + + * pa.c (arith_double_operand): Fix parens. + + * haifa-sched.c (print_pattern): Correct arg to sprintf. + + * Makefile.in (libgcc1.null): Make return type for __foo void. + +Sat Mar 28 14:37:20 1998 Jeffrey A Law (law@cygnus.com) + + * pa.h: Add declarations for many functions defined in pa.c. + + * genpeep.c (main): Remove unused variable 'i' from the generated + file. + + * genemit.c (gen_expand): Do not emit "_done" or "_fail" labels. + (gen_split): Likewise. + (main): Rework generated definitions of DONE and FAIL so that they + no longer use gotos. Avoids warnings about unused labels. + + * integrate.c (copy_rtx_and_substitute): Rework to avoid need for + unused "junk" variable. + + * genattrtab.c (write_complex_function): Add a default case in + generated switch statement to keep -W -Wall quiet. + +Sat Mar 28 10:47:21 1998 Nick Clifton <nickc@cygnus.com> + + * invoke.texi: Document more ARM and Thumb command line options. + + * config/arm/xm-thumb.h: New file. + +Sat Mar 28 01:37:33 1998 Craig Burley <burley@gnu.ai.mit.edu> + + * stmt.c (expand_expr_stmt): Must generate code for + statements within an expression (gcc's `({ ... )}') + even if -fsyntax-only. + +Sat Mar 28 01:06:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de> + Jeffrey A Law (law@cygnus.com) + + * basic-block.h (basic_block_computed_jump_target): Declare. + * flags.h (current_function_has_computed_jump): Declare. + * flow.c (basic_block_computed_jump_target): Define. + (flow_analysis): Allocate it. Set current_function_has_computed_jump + to 0. + (find_basic_blocks): Set current_function_has_computed_jump and + elements of basic_block_computed_jump_target to 1 as appropriate. + * function.c (current_function_has_computed_jump): Define. + * global.c (global_conflicts): Don't allocate pseudos into stack regs + at the start of a block that is reachable by a computed jump. + * reg-stack.c (stack_reg_life_analysis): If must restart, do so + immediately. + (subst_stack_regs): Undo change from Sep 4 1997. + (uses_reg_or_mem): Now unused, deleted. + * stupid.c (stupid_life_analysis): Compute + current_function_has_computed_jump. + (stupid_find_reg): Don't allocate stack regs if the function has a + computed goto. + * haifa-sched.c (is_cfg_nonregular): Delete code to determine if + the current function has a computed jump. Use the global value + instead. + +Sat Mar 28 00:21:37 1998 Jeffrey A Law (law@cygnus.com) + + * i386/freebsd.h (CPP_PREDEFINES): Remove __386BSD__. + (DWARF2_UNWIND_INFO): Define to zero. + +Fri Mar 27 16:04:49 1998 Michael Meissner <meissner@cygnus.com> + + * gcc.c (set_std_prefix): Add declaration. + (process_command): If GCC_EXEC_PREFIX is set, remove /lib/gcc-lib/ + suffix, and update the standard prefix prefix.c uses. + + * prefix.c (std_prefix): New global to hold default prefix value. + (get_key_value): Change to use std_prefix instead of PREFIX. + (translate_name): Likewise. + (update_path): Likewise. + (get_key_value): Release allocated scratch storage. + (set_std_prefix): New function to reset the standard prefix. + +Fri Mar 27 18:08:21 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * sh.c (find_barrier): Fix calculations for alignment increase. + +Fri Mar 27 08:56:52 1998 Manfred Hollstein <manfred@s-direktnet.de> + + * Makefile.in (stmp-fixinc): If we're actually fixing include + files, copy gcc's assert.h into the fixed include dir. + * fixincludes (assert.h): Avoid any attempts to fix a probably + broken system specific assert.h file. + * fixproto (stdlib.h): Make sure, it'll contain a definition of + size_t. + +Fri Mar 27 00:49:46 1998 Jeffrey A Law (law@cygnus.com) + + * regclass.c (reg_scan_mark_refs): Be more selective about + when we mark a register with REGNO_POINTER_FLAG. + +Thu Mar 26 23:00:11 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + reload inheritance improvement: + * reload1.c (reg_reloaded_contents, reg_reloaded_insn): + Change meaning: index is now hard reg number. + (reg_reloaded_valid, reg_reloaded_dead): New variables. + (reload_spill_index): Content is now a hard reg number. + (reload_as_needed): Change to fit new variable meaning. + (forget_old_reloads_1, allocate_reload_reg): Likewise. + (choose_reload_regs, emit_reload_insns): Likewise. + +Thu Mar 26 18:34:13 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * regclass.c (record_reg_classes): '?' increases cost by two. + + * reload.c (find_reloads): Double previous costs. Output + reloads cost one unit extra. + + * reload1.c (eliminate_regs): Delete LOAD_EXTENDED_OP code that + boiled down to && ! 0. + + * reload.c (find_equiv_reg): Also consider a goal offset from the + frame pointer to be constant. + +Thu Mar 26 17:34:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * sh.h (OPTIMIZATION_OPTIONS): Define. + +Thu Mar 26 00:19:47 1998 Richard Henderson <rth@cygnus.com> + + * combine.c (make_compound_operation): Simplify (subreg (*_extend) 0). + +Wed Mar 25 23:53:11 1998 Jeffrey A Law (law@cygnus.com) + + * pa.c (pa_adjust_cost): Avoid redundant calls to get_attr_type. + +Wed Mar 25 13:40:48 1998 Jim Wilson <wilson@cygnus.com> + + * c-common.c (check_format_info): Initialize type, is_type. New local + integral_format. Don't warn for 'L' when pedantic. Do warn for 'L' + when pedantic if used with integral format specifier. + +Wed Mar 25 16:09:01 1998 Michael Meissner <meissner@cygnus.com> + + * rs6000.h (FUNCTION_ARG_PADDING): Cast result to be enum + direction. + (function_arg_padding): Declare. + + * rs6000.c: Include system.h. + (function_arg_padding): Change return type to int, cast enum's to + int. + + (From Kaveh R. Ghazi <ghazi@caip.rutgers.edu>) + * collect2.c (scan_prog_file): Add explicit braces to avoid + ambiguous `else'. + + * dbxout.c (dbxout_type_fields): Add braces around empty body in + an if-statement. + (dbxout_type): Likewise. + + * rs6000.c (rs6000_override_options): Change type of `i', `j' and + `ptt_size' from int to size_t. + (rs6000_file_start): Likewise for `i'. + (rs6000_replace_regno): Add default case in enumeration switch. + (output_epilog): Remove unused variable `i'. + (rs6000_longcall_ref): Remove unused variables `len', `p', `reg1' + and `reg2'. + + * rs6000.h (ADDITIONAL_REGISTER_NAMES): Add missing braces around + initializer. + (get_issue_rate, non_logical_cint_operand): Add prototype. + (rs6000_output_load_toc_table): Likewise. + + * rs6000.md (udivmodsi4): Add explicit braces to avoid ambiguous + `else'. + +Wed Mar 25 10:05:19 1998 Nick Clifton <nickc@cygnus.com> + + * config/arm/thumb.c: New File. Support for ARM's Thumb + instruction set. + * config/arm/thumb.h: New File. Thumb definitions. + * config/arm/thumb.md: New File. Thumb machine description. + * config/arm/tcoff.h: New File. Thumb COFF support. + * config/arm/t-thumb: New File. Thumb makefile fragment. + * config/arm/lib1thumb.asm: New File. Thumb libgcc support functions. + + * configure.in: Add Thumb-coff target. + * configure: Add Thumb-coff target. + * config.sub: Add Thumb-coff target. + +Wed Mar 25 10:30:32 1998 Jim Wilson <wilson@cygnus.com> + + * loop.c (scan_loop): Initialize move_insn_first to zero. + +Wed Mar 25 01:06:49 1998 Joel Sherrill (joel@OARcorp.com) + + * config/i386/go32-rtems.h: Defined TARGET_MEM_FUNCTIONS. + * config/i386/rtems.h: Likewise. + * config/i960/rtems.h: Likewise. + * config/m68k/rtems.h: Likewise. + * config/mips/rtems64.h: Likewise. + * config/pa/rtems.h: Likewise. + * config/rs6000/rtems.h: Likewise. + * config/sh/rtems.h: Likewise. + * config/sparc/rtems.h: Likewise. + +Wed Mar 25 00:57:26 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * pa.c (emit_move_sequence): If in reload, call find_replacement. + +Tue Mar 24 10:44:11 1998 Nick Clifton <nickc@cygnus.com> + + * Makefile.in (gcov$(exeext)): Support .exe extension to gcov. + + * collect2.c (find_a_file): Add debugging. + (find_a_file): Test for win32 style absolute paths if + DIR_SERPARATOR is defined. + (prefix_from_string): Add debugging. + (main): Test for debug command line switch at start of program + execution. + (main): Use GET_ENVIRONMENT rather than getenv(). + (prefix_from_env): Use GET_ENVIRONMENT. + +1998-03-24 Mark Mitchell <mmitchell@usa.net> + + * cplus-dem.c (optable): Add sizeof. + (demangle_template_value_parm): New function containing code + previously found in demangle_template. + (demangle_integral_value): New function which handles complicated + integral expressions. + (demangle_template): Use them. + +Tue Mar 24 12:13:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * Makefile.in (genconfig.o, genflags.o, gencodes.o, genemit.o, + genopinit.o, genrecog.o, genextract.o, genpeep.o, genattr.o, + genattrtab.o, genoutput.o): Depend on system.h. + + * genattr.c: Include system.h. Add arguments to various function + prototypes. Remove redundant prototype of read_rtx(). + * genattrtab.c: Likewise. + * gencodes.c: Likewise. + * genconfig.c: Likewise. + * genemit.c: Likewise. + * genextract.c: Likewise. + * genflags.c: Likewise. + * genopinit.c: Likewise. + * genoutput.c: Likewise. + * genpeep.c: Likewise. + * genrecog.c: Likewise. + +1998-03-24 Martin von Löwis <loewis@informatik.hu-berlin.de> + + * c-lang.c (lang_print_xnode): New function. + * objc/objc-act.c (lang_print_xnode): Likewise. + * print-tree.c (print_node): Call it + +Mon Mar 23 23:59:11 1998 H.J. Lu (hjl@gnu.org) + + * c-parse.in: Recognize protocol qualifiers in class + definitions for objc. + Include "output.h". + (yyerror): Remove redundant decl. + (yyprint): Fix prototype. + +Mon Mar 23 23:49:47 1998 Jeffrey A Law (law@cygnus.com) + + * cse.c (rtx_cost): Only call CONST_COSTS if it is defined. + + * stmt.c (unroll_block_trees): Free block_vector if needed. + +Mon Mar 23 23:26:42 1998 Philippe De Muyter <phdm@macqel.be> + + * m68k/m68k.md (zero_extendqidi2, zero_extendhidi2): New patterns. + (zero_extendsidi2): Avoid useless copy. + (iordi_zext): New pattern. + (iorsi_zexthi_ashl16): Pattern reworked to avoid "0" constraint for + operand 2. + (iorsi_zext): New name for old unnamed pattern; indentation fixes. + + * m68k/m68k.md (ashldi_const): Allow shift count in range ]32,63]. + (ashldi3): Allow constant shift count in range ]32,63]. + (ashrdi_const, ashrid3, lshrdi_const, lshrdi3): Likewise. + +1998-03-22 Mark Mitchell <mmitchell@usa.net> + + * tree.h (IS_EXPR_CODE_CLASS): New macro. + +Mon Mar 23 23:18:48 1998 Jeffrey A Law (law@cygnus.com) + + * h8300.h (CONST_COSTS): Remove definition. + (DEFAULT_RTX_COSTS): Define. + +Mon Mar 23 22:58:22 1998 Joel Sherrill (joel@OARcorp.com) + + * config/sh/rtems.h: Switched from ELF to COFF. + +Mon Mar 23 14:14:20 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * freebsd.h (ASM_OUTPUT_ALIGN): Redefine. + +Sat Mar 21 23:52:56 1998 Jeff Law (law@cygnus.com) + + * version.c: Bump for snapshot. + +Sun Mar 22 00:50:42 1998 Nick Clifton <nickc@cygnus.com> + Geoff Noer <noer@cygnus.com> + + * Makefile.in: Various fixes for building cygwin32 native toolchains. + + * objc/Makefile.in: Various fixes for building cygwin32 native toolchains. + * objc/Make-lang.in: Likewise. + + * config/i386/xm-cygwin32.h (PATH_SEPARATOR): Set to a semi-colon. + +Sun Mar 22 00:21:46 1998 R. Ganesan <rganesan@novell.com> + + * configure.in: Handle with-PACKAGE=no correctly + +Fri Mar 20 17:36:23 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * Makefile.in (alias.o, bitmap.o, c-aux-info.o, c-common.o, + c-decl.o, c-iterate.o, c-lang.o, c-lex.o, c-pragma.o, c-typeck.o, + caller-save.o, calls.o, collect2.o, combine.o, cse.o, dbxout.o, + dwarf2out.o, dwarfout.o, emit-rtl.o, except.o, explow.o, expmed.o, + expr.o, final.o, flow.o, function.o, getpwd.o, global.o, + integrate.o, jump.o, local-alloc.o, loop.o, optabs.o, pexecute.o, + prefix.o, print-rtl.o, print-tree.o, profile.o, real.o, recog.o, + reg-stack.o, regclass.o, regmove.o, reload.o, reload1.o, reorg.o, + rtl.o, rtlanal.o, sdbout.o, stmt.o, stor-layout.o, stupid.o, + tlink.o, toplev.o, tree.o, unroll.o, varasm.o, xcoffout.o): Depend + on system.h. + + * alias.c, bitmap.c, c-aux-info.c, c-common.c, c-decl.c, + c-iterate.c, c-lang.c, c-lex.c, c-pragma.c, c-typeck.c, + caller-save.c, calls.c, collect2.c, combine.c, cse.c, dbxout.c, + dwarf2out.c, dwarfout.c, emit-rtl.c, except.c, explow.c, expmed.c, + expr.c, final.c, flow.c, function.c, gcc.c, getpwd.c, global.c, + integrate.c, jump.c, local-alloc.c, loop.c, optabs.c, pexecute.c, + prefix.c, print-rtl.c, print-tree.c, profile.c, real.c, recog.c, + reg-stack.c, regclass.c, regmove.c, reload.c, reload1.c, reorg.c, + rtl.c, rtlanal.c, sched.c, sdbout.c, stmt.c, stor-layout.c, + stupid.c, tlink.c, toplev.c, tree.c, unroll.c, varasm.c, + xcoffout.c: Include system.h. Organize include ordering so + that stdarg/varargs comes before other system headers. Remove + spurious casts of functions assured of a prototype in system.h. + +Fri Mar 20 11:19:40 1998 Stan Cox <scox@equinox.cygnus.com> + + * reg-stack.c (pop_stack): Define. Pops any register on the + regstack and adjusts regstack. + (compare_for_stack_reg): Use pop_stack. + +Thu Mar 19 23:51:01 1998 Jeffrey A Law (law@cygnus.com) + + * configure.in (hppa1.0-hp-hpux10): Handle threads for this + config too. + +Thu Mar 19 20:30:31 1998 Philippe De Muyter <phdm@macqel.be> + + * libgcc2.c (exit): Do not call __bb_exit_func if HAVE_ATEXIT. + + * fold-const.c (fold): Replace sign-extension of a zero extended + value by a single zero extension. + +Thu Mar 19 00:58:07 1998 Jason Merrill <jason@yorick.cygnus.com> + + * except.c (init_eh): Do nothing. + (save_eh_status): Call init_eh_for_function, not init_eh. + * function.c (push_function_context_to): Don't call init_emit. + +Thu Mar 19 13:39:52 1998 Michael Meissner <meissner@cygnus.com> + + * rs6000/sysv4.h (RELATIVE_PREFIX_NOT_LINKDIR): Undef for System V + and EABI. + +Thu Mar 19 10:10:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * final.c (shorten_branches): Add parentheses around +/- in + operand of &. + + * flow.c (life_analysis): Wrap variable `i' in macro ELIMINABLE_REGS. + +Thu Mar 19 09:15:17 1998 Manfred Hollstein <manfred@s-direktnet.de> + + * regclass.c (memory_move_secondary_cost): Wrap uses of + SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS + with #ifdef tests. + +Thu Mar 19 09:06:35 1998 Manfred Hollstein <manfred@s-direktnet.de> + + * config/m68k/m68k.md (addqi3): Fix typo gen_INT vs. GEN_INT. + + * flow.c (life_analysis): #include <sys/types.h> to make sure + size_t is defined. + * cplus-dem.c (demangle_function_name): Likewise. + +Thu Mar 19 09:00:01 1998 Manfred Hollstein <manfred@s-direktnet.de> + + * final.c (insn_noperands): Change type to unsigned int. + (final_scan_insn): Likewise for noperands; + properly check operand number boundaries. + +Wed Mar 18 16:20:30 1998 Richard Henderson <rth@cygnus.com> + + * alpha.md (extzv): Don't reject register operands. Fix + mode of operand 1. + +Wed Mar 18 16:14:23 1998 Richard Henderson <rth@cygnus.com> + + * dbxout.c (dbxout_function_end): Fix last change. The correct + predicate is ASM_OUTPUT_SECTION_NAME. + +Wed Mar 18 12:43:20 1998 Jim Wilson <wilson@cygnus.com> + + * sh.md (ashlsi_c-1): Delete 3rd argument to gen_ashlsi_c. + (ashlsi): Use match_dup 1 instead of match_operand 2. + +Wed Mar 18 13:46:07 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * fold-const.c (operand_equal_for_comparison_p): See if equal + when nop conversions are removed. + +Wed Mar 18 13:42:01 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * expr.c (expand_expr, case COND_EXPR): If have conditional move, + don't use ORIGINAL_TARGET unless REG. + +Wed Mar 18 16:53:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * netbsd.h (ASM_OUTPUT_ALIGN): Redefine. + +Wed Mar 18 12:43:20 1998 Jim Wilson <wilson@cygnus.com> + + * loop.c (struct movable): New field move_insn_first. + (scan_loop): In consec sets code, set it. Clear it otherwise. + (move_movables): In consec sets code, use it. Copy REG_NOTES from + p to i1 only if i1 does not have REG_NOTES. Delete obsolete ifdefed + out code. + +Wed Mar 18 09:52:56 1998 Richard Henderson <rth@cygnus.com> + + * rtl.c (read_rtx): Fall back on homebrew atoll if HOST_WIDE_INT + is large, and the system doesn't provide atoll or atoq. + (atoll): New. + + * alpha/xm-vms.h (HAVE_ATOLL): Define. + Reported by Klaus Kaempf <kkaempf@progis.de>. + +Wed Mar 18 09:56:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * c-lang.c (finish_file): Wrap variable `void_list_node' with macro + test !ASM_OUTPUT_CONSTRUCTOR || !ASM_OUTPUT_DESTRUCTOR. + + * calls.c (emit_call_1): Wrap variable `already_popped' with macro + test !ACCUMULATE_OUTGOING_ARGS. + + * collect2.c (write_c_file_glob): Wrap function definition in + macro test !LD_INIT_SWITCH. + + * combine.c (try_combine): Wrap variables `cc_use' and + `compare_mode' in macro test EXTRA_CC_MODES. + + * cpplib.c (do_ident): Remove unused variable `len'. + (skip_if_group): Remove unused variables `at_beg_of_line' and + `after_ident'. + (cpp_get_token): Remove unused variable `dummy'. + + * dbxout.c (scope_labelno): Move static variable definition inside + the one function scope where it is used. + (dbxout_function_end): Wrap prototype and definition in + macro test !NO_DBX_FUNCTION_END. + + * dwarf2out.c (add_subscript_info): Wrap variable `dimension_number' + in macro test !MIPS_DEBUGGING_INFO. + + * expr.c (expand_builtin_setjmp): Move declaration of variable `i' + into the scope where it is used. Wrap empty else-statement body + in braces. + + * fix-header.c: Fix typo in comment. + (inf_skip_spaces): Cast results of INF_UNGET to (void). + (check_protection, main): Likewise. + + * flow.c (find_basic_blocks_1): Remove dangling comment text. + + * function.c (contains): Wrap prototype and definition in macro + test HAVE_prologue || HAVE_epilogue. + (fixup_var_refs_1): Remove unused variable `width'. + + * gen-protos.c (main): Remove unused variable `optr'. + + * haifa-sched.c (debug_control_flow): Remove unused variable `j'. + + * libgcc2.c (__udiv_w_sdiv): Provide dummy return value of 0. + (__sjpopnthrow): Remove unused variable `jmpbuf'. + (__throw): Remove unused variable `val'. + + * protoize.c: Check for a previously existing definition before + defining *_OK macros. + + * scan-decls.c (scan_decls): Remove unused variable `old_written'. + +Tue Mar 17 00:45:48 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * vax.h (ADDR_VEC_ALIGN): Define. + +Mon Mar 16 15:57:17 1998 Michael Meissner <meissner@cygnus.com> + + * gcc.c (default_arg): Don't wander off the end of allocated + memory. + + (From Geoffrey Keating <geoffk@ozemail.com.au>) + * rs6000.c (small_data_operand): Ensure that any address + referenced relative to the small data area is inside the SDA. + +Mon Mar 16 12:55:15 1998 Jim Wilson <wilson@cygnus.com> + + * config/m68k/netbsd.h (ASM_SPEC): Add %{m68060}. + +Mon Mar 16 15:50:20 1998 Andrew MacLeod <amacleod@cygnus.com> + + * except.h (in_same_eh_region): New prototype. + (free_insn_eh_region, init_insn_eh_region): New prototypes. + * except.c (insn_eh_region, maximum_uid): New static variables. + (set_insn_eh_region): New static function to set region numbers. + (free_insn_eh_region): New function to free EH region table. + (init_insn_eh_region): New function to initialize EH region table. + (in_same_eh_region): New function used to determine if two rtl + instructions are in the same exception region or not. + * final.c (final): Initialize the table indicating which instructions + belong in which exception region. + * genpeep.c (main): Add "except.h" to include file list in generated + file insn-peep.c. + * config/sparc/sparc.md: Add calls to 'in_same_eh_region' in 4 + peepholes involving calls and unconditional branches. + +Mon Mar 16 11:16:50 1998 Jim Wilson <wilson@cygnus.com> + + * README.gnat: New file. + +Mon Mar 16 11:14:20 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> + + * config/m68k/m68k.c: Include <stdlib.h> for atoi. Include + "recog.h" for offsettable_memref_p. + (legitimize_pic_address): Remove unused variable `offset'. + (notice_update_cc): Change return type to void. Add default label + to switch. + (standard_68881_constant_p): Remove unused variable mode. + (print_operand): Define local variable i only if SUPPORT_SUN_FPA. + (const_int_cost): Explicitly declare as returning int. + (output_dbcc_and_branch): Change return type to void. + + * config/m68k/linux.h, config/m68k/m68k.md, config/m68k/m68k.c, + config/m68k/m68k.h: Replace gen_rtx (XXX, ...) with gen_rtx_XXX + (...). Use GEN_INT instead of gen_rtx_CONST_INT. + +Sun Mar 15 22:30:44 1998 Jeff Law (law@cygnus.com) + + * version.c: Bump for snapshot. + +Fri Mar 13 11:30:12 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> + + * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Fix logic in range + check for 'M' constraint. + +Thu Mar 12 14:47:14 1998 Jim Wilson <wilson@cygnus.com> + + * cccp.c (create_definition): If pedantic, call pedwarn for macro + varargs feature. + +Thu Mar 12 13:43:25 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE> + + * i386.c (ix86_logical_operator): New function. + (split_di): Ensure that when a MEM is split, the resulting MEMs have + SImode. + * i386.md (anddi3, xordi3, iordi3): New patterns. Add a define_split + to implement them. + +Thu Mar 12 15:13:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + Richard Earnshaw <rearnsha@arm.com> + Nick Clifton <nickc@cygnus.com> + + * tm.texi (DEFAULT_RTX_COSTS): Document new macro. + + * arm.h (DEFAULT_RTX_COSTS): Define instead of RTX_COSTS. + + * cse.c (rtx_cost): Provide a default case in an enumeration + switch, and call DEFAULT_RTX_COSTS if it's defined. + +Thu Mar 12 10:02:38 1998 Manfred Hollstein <manfred@s-direktnet.de> + + * basic-block.h (compute_preds_succs): Change return type in + prototype to void. + * flow.c (compute_preds_succs): Likewise in function definition. + + * regmove.c (find_matches): Cast char used as array index to unsigned char + to suppress warning. + +Thu Mar 12 09:39:40 1998 Manfred Hollstein <manfred@s-direktnet.de> + + * i386.h (RTX_COSTS): Insert braces around nested if. + (ADDITIONAL_REGISTER_NAMES): Insert braces around structured + elements. + + * gcc.c (default_compilers): Properly put brackets around array elements in + initializer. + + * getopt.c (_getopt_internal): Add explicit braces around nested if; + reformatted. + + * reg-stack.c (record_asm_reg_life): Add explicit braces around nested if's. + (record_reg_life_pat): Add explicit parens around && and || in expression. + (stack_reg_life_analysis): Add parens around assignment used as expression. + (convert_regs): Likewise. + +Thu Mar 12 09:25:29 1998 Manfred Hollstein <manfred@s-direktnet.de> + + * bitmap.c (bitmap_element_allocate): Remove unused parameter; + change callers accordingly. + + * cplus-dem.c (arm_special): Remove unused parameter work in prototype + and definition; change all callers accordingly. + + * except.c (init_eh): Avoid assignment of unused return value of + build_pointer_type; cast it to void, instead, and remove unused + variable type. + + * gcc.c (lang_specific_driver): Define prototype only #ifdef + LANG_SPECIFIC_DRIVER. + (temp_names): Define only #ifdef MKTEMP_EACH_FILE. + + * genoutput.c (output_epilogue): Initialize next_name to 0. + + * real.c (efrexp): #if 0 prototype and function definition. + (eremain): Likewise. + (uditoe): Likewise. + (ditoe): Likewise. + (etoudi): Likewise. + (etodi): Likewise. + (esqrt): Likewise. + + * reload.c (push_secondary_reload): Define prototype only + #ifdef HAVE_SECONDARY_RELOADS. + + * varasm.c (assemble_static_space): Define rounded only + #ifndef ASM_OUTPUT_ALIGNED_LOCAL. + +Thu Mar 12 09:11:35 1998 Manfred Hollstein <manfred@s-direktnet.de> + + * i386.md (andsi): Add default case in enumeration switch. + (iorsi3): Likewise. + (iorhi3): Likewise. + (xorsi3): Likewise. + +Thu Mar 12 08:37:02 1998 Manfred Hollstein <manfred@s-direktnet.de> + + * c-decl (finish_struct): Change type of min_align to unsigned. + + * cplus-dem.c (demangle_function_name): Change type of variable i to size_t; + remove unused variable len. + + * dwarf2out.c (reg_save): Add explicit cast of -1 to unsigned and a + comment indicating this is proper behavior. + (reg_loc_descriptor): Remove redundant comparison of unsigned variable + reg >= 0. + (based_loc_descr): Likewise. + + * enquire.c (bitpattern): Change type of variable i to unsigned. + + * final.c (output_asm_insn): Don't cast insn_noperands to unsigned. + + * flow.c (life_analysis): Change type of variable i to size_t; + remove unused variable insn. + + * gcc.c (translate_options): Change type of variables optlen, arglen and + complen to size_t. + (input_filename_length): Change type to size_t. + (do_spec_1): Change type of variable bufsize to size_t. + (main): Change type of variables i and j to size_t; + remove subblock local definition of variable i. + (lookup_compiler): Change type of second argument to size_t; + change type of variable i to size_t. + + * genemit.c (output_init_mov_optab): Change type of variable i to size_t. + + * genopinit.c (get_insn): Change type of variable pindex to size_t. + + * genrecog.c (add_to_sequence): Change type of variable i to size_t. + + * global.c (global_alloc): Change type of variable i to size_t. + + * regclass.c (init_reg_sets): Change type of variables i and j to unsigned. + + * stmt.c (expand_end_bindings): Change type of variable i to size_t. + (expand_end_case): Change type of variable count to size_t. + + * toplev.c (main): Change type of variable j to size_t. + (set_target_switch): Change type of variable j to size_t. + (print_switch_values): Change type of variable j to size_t; + remove unused variable flags. + + * varasm.c (assemble_variable): Change type of variable align to size_t. + (const_hash_rtx): Change type of variable i to size_t. + +1998-03-11 Mark Mitchell <mmitchell@usa.net> + + * dbxout.c (dbxout_type_methods): Only treat TYPE_METHODS as a + TREE_VEC if that's what it really is. + +Wed Mar 11 15:16:01 1998 Michael Meissner <meissner@cygnus.com> + + * {haifa-,}sched.c (rank_for_schedule): Only take void * arguments + as per ISO C spec. + +Wed Mar 11 12:05:20 1998 Teemu Torma <tot@trema.com> + + * gthr.h: Changed the comment about return values. + * gthr-solaris.h (__gthread_once): Do not use errno; return the + error number instead of -1. + (__gthread_key_create): Any nonzero return value is an error. + * libgcc2.c (eh_context_initialize): Check for nonzero return + value from __gthread_once. + Check that the value of get_eh_context was really changed. + +Wed Mar 11 18:26:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * sh.h (LOOP_ALIGN): Only align when optimizing. + * sh.c (find_barrier): Clear inc for CODE_LABELs. + When not optimizing, calculate alignment for BARRIERs directly. + +Wed Mar 11 15:07:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * final.c (shorten_branches): Remove conditionalizing on + SHORTEN_WITH_ADJUST_INSN_LENGTH. + * sh.h, pa.h (SHORTEN_WITH_ADJUST_INSN_LENGTH): Remove. + +Wed Mar 11 02:37:41 1998 Jeffrey A Law (law@cygnus.com) + + * flow.c (find_basic_blocks_1): Keep the cfg accurate when removing + an unconditional jump around deleted blocks. + +Mon Mar 9 12:02:23 1998 Jim Wilson <wilson@cygnus.com> + + * profile.c (branch_prob): If see computed goto, call fatal instead of + abort. + + * config/mips/sni-svr4.h (CPP_PREDEFINE): Add -DSNI and -Dsinix. + + * configure.in (alpha-dec-osf): Add default case for osf* to switch. + Patch from Bruno Haible. + + * function.c (put_reg_into_stack): Copy MEM_IN_STRUCT_P from new. + (assign_parms): Set aggregate if hide_last_arg and last_named. + +Mon Mar 9 19:57:56 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * final.c (shorten_branches): Initialize insn_addresses. + +Mon Mar 9 14:10:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * sh.h (MUST_PASS_IN_STACK): Define. + +Sun Mar 8 13:01:56 1998 Jeffrey A Law (law@cygnus.com) + + * final.c (shorten_branches): Fix minor logic error in + ADDR_DIFF_VEC shortening support. + +Sun Mar 8 02:17:42 1998 Jeff Law (law@cygnus.com) + + * version.c: Bump for snapshot. + +Sat Mar 7 00:54:15 1998 Jeffrey A Law (law@cygnus.com) + + * haifa-sched.c (is_cfg_nonregular): Change return type to + an int. No longer compute "estimated" number of edges. Use + computed_jump_p instead of duplicating the code. Fixup/add + some comments. + (build_control_flow): Returns a value indicating an irregularity + in the cfg was detected. Count the number of edges in the cfg. + allocate various edge tables. + (find_rgns): No longer look for unreachable blocks. + (schedule_insns): Do not allocate memory for edge tables here. + Free memory for edge tables before returning. Do not perform + cross block scheduling if build_control_flow returns nonzero. + * flow.c (compute_preds_succs): More accurately determine when + a block drops in. + + * basic-block.h (free_basic_block_vargs): Provide prototype. + + * cccp.c (main): Fix dumb mistakes in last change. + +Fri Mar 6 21:28:45 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * rtl.h (addr_diff_vec_flags): New typedef. + (union rtunion_def): New member rt_addr_diff_vec_flags. + (ADDR_DIFF_VEC_FLAGS): New macro. + + * sh.c (output_branch): Fix offset overflow problems. + + * final.c (shorten_branches): Implement CASE_VECTOR_SHORTEN_MODE. + (final_scan_insn): New argument BODY for ASM_OUTPUT_ADDR_DIFF_ELT. + * rtl.def (ADDR_DIFF_VEC): Three new fields (min, max and flags). + * stmt.c (expand_end_case): Supply new arguments to + gen_rtx_ADDR_DIFF_VEC. + * 1750a.h (ASM_OUTPUT_ADDR_DIFF_ELT): New argument BODY. + * alpha.h, arc.h, clipper.h, convex.h : Likewise. + * dsp16xx.h, elxsi.h, fx80.h, gmicro.h, h8300.h : Likewise. + * i370.h, i386.h, i860.h, i960.h, m32r.h, m68k.h, m88k.h : Likewise. + * mips.h, mn10200.h, mn10300.h, ns32k.h, pa.h, pyr.h : Likewise. + * rs6000.h, sh.h, sparc.h, spur.h, tahoe.h, v850.h : Likewise. + * vax.h, we32k.h, alpha/vms.h, arm/aof.h, arm/aout.h : Likewise. + * i386/386bsd.h, i386/freebsd-elf.h : Likewise. + * i386/freebsd.h, i386/linux.h : Likewise. + * i386/netbsd.h, i386/osfrose.h, i386/ptx4-i.h, i386/sco5.h : Likewise. + * i386/sysv4.h, m68k/3b1.h, m68k/dpx2.h, m68k/hp320.h : Likewise. + * m68k/mot3300.h, m68k/sgs.h : Likewise. + * m68k/tower-as.h, ns32k/encore.h, sparc/pbd.h : Likewise. + * sh.h (INSN_ALIGN, INSN_LENGTH_ALIGNMENT): Define. + (CASE_VECTOR_SHORTEN_MODE): Define. + (short_cbranch_p, align_length, addr_diff_vec_adjust): Don't declare. + (med_branch_p, braf_branch_p): Don't declare. + (mdep_reorg_phase, barrier_align): Declare. + (ADJUST_INSN_LENGTH): Remove alignment handling. + * sh.c (uid_align, uid_align_max): Deleted. + (max_uid_before_fixup_addr_diff_vecs, branch_offset): Deleted. + (short_cbranch_p, med_branch_p, braf_branch_p, align_length): Deleted. + (cache_align_p, fixup_aligns, addr_diff_vec_adjust): Deleted. + (output_far_jump): Don't use braf_branch_p. + (output_branchy_insn): Don't use branch_offset. + (find_barrier): Remove checks for max_uid_before_fixup_addr_diff_vecs. + Remove paired barrier stuff. + Don't use cache_align_p. + Take alignment insns into account. + (fixup_addr_diff_vecs): Reduce to only fixing up the base label of + the addr_diff_vec. + (barrier_align, branch_dest): New function. + (machine_dependent_reorg, split_branches): Remove infrastructure + for branch shortening that is now provided in the backend. + * sh.md (short_cbranch_p, med_branch_p, med_cbranch_p): New attributes. + (braf_branch_p, braf_cbranch_p): Likewise. + (attribute length): Use new attributes. + (casesi_worker): Get mode and unsignednedd from ADDR_DIFF_VEC. + (addr_diff_vec_adjust): Delete. + (align_2): Now a define_expand. + (align_log): Now length 0. + +Fri Mar 6 14:41:33 1998 Michael Meissner <meissner@cygnus.com> + + * m32r.md (right): Correctly check for length == 2, not 1. + +Fri Mar 6 14:00:04 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * mips/mips.h: Prototype `machine_dependent_reorg'. + (ASM_OUTPUT_ALIGN): Remove unused variable `mask'. + +Fri Mar 6 11:43:35 1998 Joern Rennecke (amylaar@cygnus.co.uk) + + * final.c (shorten_branches): Restore accidentally removed code. + +Fri Mar 6 11:00:49 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> + + * configure.in: Remove duplicate uses of AC_PROG_CC and + AC_PROG_MAKE_SET. + +Fri Mar 6 00:59:30 1998 Richard Henderson <rth@cygnus.com> + + * configure.in (target_cpu_default2): Correct typo for alphapca56. + +Thu Mar 5 23:24:50 1998 Jeffrey A Law (law@cygnus.com) + Doug Evans (devans@cygnus.com) + + * haifa-sched.c (build_jmp_edges): Delete dead function. + (build_control_flow): Use cfg routines from flow.c. + (schedule_insns): Remove debugging code accidentally checked + in earlier today. + + * basic-block.h: Add external integer list structures, typdefs, + accessor macros and function declarations. Similarly for + basic block pred/succ support and simple bitmap stuff. + * flow.c: Add functions for integer list, basic block pred/succ + support and simple bitmap support. + (compute_dominators): New function to compute dominators and + post dominators. + (find_basic_blocks): Split into two functions. + (life_analysis): Likewise. + (flow_analysis): Removed. Now handled by calling find_basic_blocks, + the life_analysis from toplev.c. + * toplev.c (rest_of_compilation): Call find_basic_blocks, then + life_analysis instead of flow_analysis. + +Thu Mar 5 23:06:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * jump.c (jump_optimize): Call mark_jump_label also for deleted + insns. + (mark_jump_label): Don't increment ref counts for deleted insns. + +Thu Mar 5 09:55:15 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * mips/iris6.h (TARGET_DEFAULT): Parenthesize macro definition. + + * mips/mips.c: Include stdlib.h and unistd.h. + (mips_asm_file_end): Add braces around empty body in an if-statement. + (function_prologue): Wrap variable `fnname' in + !FUNCTION_NAME_ALREADY_DECLARED. Correct format specifier in fprintf. + (mips_select_rtx_section, mips_select_section): Declare as void. + + * mips/mips.h: Add prototypes for extern functions in mips.c. + (FUNCTION_ARG_REGNO_P): Add parentheses around && within ||. + (ENCODE_SECTION_INFO): Add braces around empty body in an + if-statement. + + * mips/mips.md (movdi): Add parentheses around && within ||. + (movsf, movdf): Likewise. + (branch_zero, branch_zero_di): Add default case in + enumeration switch. + +Thu Mar 5 02:45:48 1998 Richard Henderson <rth@cygnus.com> + + * alpha/alpha.h (TARGET_WINDOWS_NT, TARGET_OPEN_VMS): Just make them + real constants, since they can't be changed. + (TARGET_AS_CAN_SUBTRACT_LABELS): New. + * alpha/alpha.md (builtin_setjmp_receiver): Use it. + * alpha/osf.h (TARGET_AS_CAN_SUBTRACT_LABELS): New. + * alpha/osf2or3.h (TARGET_AS_CAN_SUBTRACT_LABELS): New. + * alpha/vms.h (TARGET_OPEN_VMS): New. + * alpha/win-nt.h (TARGET_WINDOWS_NT): New. + +Thu Mar 5 02:41:27 1998 Richard Henderson <rth@cygnus.com> + + * reload.c (find_reloads): Always force (subreg (mem)) to be + reloaded if WORD_REGISTER_OPERATIONS. + +Thu Mar 5 02:14:44 1998 Richard Henderson <rth@cygnus.com> + + * haifa-sched.c (free_list): Rename from free_pnd_lst. + (free_pending_lists): Rename free_pnd_lst uses. + (remove_dependence): Place expunged element on unused_insn_list. + (alloc_INSN_LIST, alloc_EXPR_LIST): New. Change all callers of + gen_rtx_*_LIST and alloc_rtx to use them. + (compute_block_backward_dependences): Free the reg_last_* lists. + +Thu Mar 5 00:05:40 1998 Jeffrey A Law (law@cygnus.com) + + * cccp.c (main): Avoid undefined behavior when setting pend_includes + and pend_files. + +Wed Mar 4 21:58:25 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com> + + * rs6000/linux.h: Don't define DEFAULT_VTABLE_THUNKS to 1 if + USE_GNULIBC_1 is defined. + * configure.in: Add a new case powerpc-*-linux-gnulibc1 which + includes the t-linux-gnulibc1 fragment. + +Wed Mar 4 12:11:36 1998 Jim Wilson <wilson@cygnus.com> + + * mips.md (movdf_internal1a): Fix misplaced parenthesis in condition. + +Wed Mar 4 18:47:48 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * final.c (final_scan_insn, case CODE_LABEL: Cleanup. + +Wed Mar 4 15:51:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * final.c (shorten_branches): Tag the loop alignment onto the + first label after NOTE_INSN_LOOP_BEG even if there is an + intervening insn. + +Tue Mar 3 21:48:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * final.c (insn_current_reference_address): + Use SEQ instead of BRANCH as argument to align_fuzz, to get a + proper alignment chain. + + * final.c (max_labelno): New static variable. + (final_scan_insn): Check max_labelno before outputting an + alignment for a label. + (shorten_branches): Remove unused variable length_align. + +Tue Mar 3 14:27:23 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * sparc.c (ultrasparc_adjust_cost): Add default case in + enumeration switch. + + * sparc.h: Add prototypes for extern functions defined in + sparc.c. + +Tue Mar 3 10:00:11 1998 Nick Clifton <nickc@cygnus.com> + + * toplev.c: Only generate <name>.dbr file when dumping RTL if + DEALY_SLOTS is defined. + +Tue Mar 3 07:36:37 1998 Manfred Hollstein <manfred@s-direktnet.de> + + * reorg.c (fill_eager_delay_slots): Add new argument delay_list + in call to fill_slots_from_thread. + +Mon Mar 2 13:45:03 1998 Richard Henderson <rth@cygnus.com> + + * alpha/linux.h (CPP_PREDEFINES): Correct connecting whitespace + to SUB_CPP_PREDEFINES. Reported by asun@saul4.u.washington.edu. + +Mon Mar 2 22:59:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * final.c (insn_last_address, insn_current_align, uid_align): + New variables. + (in_align_chain, align_fuzz, align_shrink_fuzz): New functions. + (insn_current_reference_address): Likewise. + (shorten_branches, final_scan_insn): Implement LABEL_ALIGN, + LABEL_ALIGN_AFTER_BARRIER and LOOP_ALIGN target macros. + (label_to_alignment): New function. + * genattrtab.c (write_test_expr): If one of LABEL_ALIGN, + LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN is defined, call + insn_current_reference_address instead of insn_current_address. + (or_attr_value, write_length_unit_log): New functions. + (main): Call write_length_unit_log. + (write_const_num_delay_slots): Output extra '\n'. + * alpha.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE): + Replace with: + (LOOP_ALIGN, ALIGN_LABEL_AFTER_BARRIER). + * i386.h, i386/osfrose.h, i386/svr3dbx.h, m68k.h, sparc.h: Likewise. + * arc.h, m32r.h (ASM_OUTPUT_LOOP_ALIGN): Replace with: + (LOOP_ALIGN). + * i960.h, m88k.h (ASM_OUTPUT_ALIGN_CODE): Replace with: + (LABEL_ALIGN_AFTER_BARRIER). + * ns32k/encore.h, ns32k/merlin.h, ns32k.h, ns32k/sequent.h: Likewise. + * ns32k/tek6000.h: Likewise. + * i386/gas.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE): Delete. + * i386.md (casesi+1): Use ASM_OUTPUT_ALIGN instead of + ASM_OUTPUT_ALIGN_CODE. + +Mon Mar 2 01:05:50 1998 Jeff Law (law@cygnus.com) + + * version.c: Bump for snapshot. + +Mon Mar 2 00:52:18 1998 Jeff Law (law@cygnus.com) + + * version.c: Bump for snapshot. + +Sun Mar 1 18:25:49 1998 Michael P. Hayes <michaelh@ongaonga.chch.cri.nz> + + * reorg.c (fill_slots_from_thread): Don't steal delay list from target + if condition code of jump conflicts with opposite_needed. + + * reorg.c (fill_slots_from_thread): Mark resources referenced in + opposite_needed thread. Return delay_list even when cannot get + any more delay insns from end of subroutine. + +Sun Mar 1 18:26:21 1998 Ken Rose (rose@acm.org) + + * reorg.c (fill_slots_from_thread): New parameter, delay_list. + All callers changed. + +Sun Mar 1 18:25:37 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de> + + * frame.c (start_fde_sort, fde_split, heapsort, fde_merge, + end_fde_sort): New functions for fast sorting of an FDE array. + (fde_insert): Simplified. + (add_fdes): Change argument list. + (frame_init): Use the new functions. + +Sun Mar 1 18:06:21 1998 Jeffrey A Law (law@cygnus.com) + + * ginclude/va-ppc.h (va_arg): Fix typo in long long support. + + * i386.c (reg_mentioned_in_mem): Fix dangling else statement. + + * fold-const.c (fold_range_test): Always return a value. + +Sun Mar 1 17:57:34 1998 Mumit Khan <khan@xraylith.wisc.edu> + + * config/i386/winnt.c (i386_pe_unique_section): Put read-only + data in the text section unless READONLY_DATA_SECTION is defined. + +Sun Mar 1 17:48:46 1998 Jeffrey A Law (law@cygnus.com) + + * c-parse.in (undeclared variable error): Tweak error message to + be clearer. + +Sun Mar 1 10:22:36 1998 Jeff Law (law@cygnus.com) + + * version.c: Bump for snapshot. + +1998-02-28 Mark Mitchell <mmitchell@usa.net> + + * final.c (final_scan_insn): Undo overzealous removal of `set'. + +Sat Feb 28 07:54:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * pa.h (CONST_COSTS): When checking the CONST_DOUBLE enumerated + case, add parentheses to specify the proper order of precedence in + the if-statement. + + * c-aux-info.c: Include string.h/strings.h. + + * pa.c: Include stdlib.h. + (pa_combine_instructions): Prototype the function. + (pa_can_combine_p, forward_branch_p, shadd_constant_p): Likewise. + (reloc_needed): Add default case for enumeration switch. + (remove_useless_addtr_insns): Remove unused variable `all'. + (hppa_expand_prologue): Add explicit braces to avoid + ambiguous `else'. + (output_function_epilogue): Remove unused variable `i'. + (output_millicode_call): Remove unused variable `link'. + (shadd_constant_p, forward_branch_p): Make the function static. + (following_call): Explicitly declare to return int. + (pa_reorg): Declare as void. + (pa_combine_instructions): Declare as static void. Add + parentheses around && within ||. + + * pa.h: Add prototypes for pa_reorg, symbolic_operand, + following_call, function_label_operand, lhs_lshift_cint_operand + and zdepi_cint_p. + + * pa.md: Add parentheses around && within ||. + + * cppalloc.c: Include stdlib.h. + + * cpperror.c (cpp_print_containing_files): Remove unused variable + `i'. Fix format specifier in fprintf. + + * cse.c (cse_around_loop): Add explicit braces to avoid + ambiguous `else'. + (delete_dead_from_cse): Wrap variable `tem' in macro HAVE_cc0. + + * expr.c (expand_expr): Add parentheses around && within ||. + + * final.c (app_enable): Replace fprintf with fputs where there are + no format specifiers and no trailing argument after the string. + Eg, when printing ASM_APP_ON/ASM_APP_OFF. + (app_disable): Likewise. + (final_end_function): Likewise. + (final_scan_insn): Likewise. Remove unused variable `set'. + (profile_function): Wrap empty if-statement body in {} brackets. + + * function.c: Include stdlib.h. + (pad_below): Wrap prototype and definition in ARGS_GROW_DOWNWARD. + (reposition_prologue_and_epilogue_notes): Add parentheses + around assignment used as truth value. + + * integrate.c (expand_inline_function): Wrap variable + `cc0_insn' in macro HAVE_cc0. + + * jump.c (jump_optimize): Wrap variable `q' in macro + HAVE_cc0. Remove unused variable `prev1'. + + * libgcc2.c (__bb_exit_trace_func): Add parentheses around && + within ||. Fix format specifier in fprintf. + (__bb_init_prg): Add parentheses around assignment used as + truth value. + + * local-alloc.c: Include stdlib.h. + (requires_inout): Add parentheses around assignment used + as truth value. + + * loop.c (analyze_loop_iterations): Wrap prototype and definition + in macro HAVE_decrement_and_branch_on_count. + (insert_bct, instrument_loop_bct): Likewise. + (move_movables): Add parentheses around assignment used as + truth value. + (consec_sets_invariant_p): Likewise. + (maybe_eliminate_biv_1): Wrap variable `new' in macro HAVE_cc0. + + * objc/objc-act.c: Include stdlib.h. + (lookup_method_in_protocol_list): Wrap empty else-statement body + in braces. + (lookup_protocol_in_reflist): Likewise. + (objc_add_static_instance): Remove unused variables `decl_expr' + and `decl_spec'. + (get_objc_string_decl): Remove unused variable `decl'. + (generate_static_references): Remove unused variables `idecl' and + `instance'. + (check_protocols): Wrap empty else-statement body in braces. + + * protoize.c: Include stdlib.h. + (substr): Add parentheses around assignment used as truth value. + (abspath): Likewise. + (shortpath): Likewise. + + * regmove.c (fixup_match_1): Add parentheses around assignment + used as truth value. + + * reload.c (push_secondary_reload): Remove unused variable `i'. + (find_reloads): Add parentheses around assignment used as truth + value. + + * reload1.c: Include stdlib.h. + + * rtl.h: Correct typo in prototype of offsettable_memref_p. + + * stmt.c (add_case_node): Add parentheses around assignment used + as truth value. + (case_tree2list): Likewise. + + * tree.c (valid_machine_attribute): Wrap variable `decl_attr_list' + in macro VALID_MACHINE_DECL_ATTRIBUTE. Wrap variable + `type_attr_list' in macro VALID_MACHINE_TYPE_ATTRIBUTE. + (merge_attributes): Add explicit braces to avoid ambiguous + `else'. + + * unroll.c (copy_loop_body): Wrap variable `cc0_insn' in + macro HAVE_cc0. + + * varasm.c: Include stdlib.h. + + * system.h: Remove sys/stat.h. + * gcc.c: Add sys/stat.h. + + * genattr.c: Wrap prototype of `free' in NEED_DECLARATION_FREE. + * genattrtab.c: Likewise. + * genconfig.c: Likewise. + * genemit.c: Likewise. + * genextract.c: Likewise. + * genflags.c: Likewise. + * genopinit.c: Likewise. + * genoutput.c: Likewise. + * genpeep.c: Likewise. + * genrecog.c: Likewise. + * tlink.c: Likewise. Also wrap `getenv' in NEED_DECLARATION_GETENV. + +Fri Feb 27 11:02:47 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> + + * invoke.texi: Use @itemx for a secondary item in a @table. + + * config/m68k/m68k.md (movsf+1): Optimize moving a CONST_DOUBLE + zero. + +Thu Feb 26 00:13:21 1998 Ian Lance Taylor <ian@cygnus.com> + + * choose-temp.c: Fix handling of sys/file.h to work in libiberty. + +Wed Feb 25 23:40:54 1998 Jeffrey A Law (law@cygnus.com) + + * i386.c (struct machine_function): Add new fields for PIC stuff. + (save_386_machine_status): Fix argument to xmalloc. Save pic_label_rtx + and pic_label_name. + (restore_386_machine_status): Corresponding changes. + (clear_386_stack_locals): Also clear pic_label_rtx and pic_label_name. + +Wed Feb 25 01:31:40 1998 Jeffrey A Law (law@cygnus.com) + + * c-parse.y (undeclared variable error): Tweak error message + to be clearer. + +Tue Feb 24 23:54:07 1998 Richard Henderson <rth@cygnus.com> + + * flags.h (g_switch_value, g_switch_set): Declare. + * alpha.c (override_options): Set g_switch_value=8 if not set. + * alpha/elf.h (CC1_SPEC): New. + (ASM_SPEC): New. + (LINK_SPEC): Pass along the -G value we were given. + (LOCAL_ASM_OP): Remove. + (ASM_OUTPUT_ALIGNED_LOCAL): Output to .bss or .sbss by size. + (MAX_OFILE_ALIGNMENT): New. + (BSS_SECTION_ASM_OP, SBSS_SECTION_ASM_OP, SDATA_SECTION_ASM_OP): New. + (EXTRA_SECTIONS): Add sbss and sdata. + (SECTION_FUNCTION_TEMPLATE): New. + (EXTRA_SECTION_FUNCTIONS): Use it. + (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove. + (SELECT_SECTION): Use sdata when small enough. + * alpha/linux.h (ASM_SPEC): Remove. + +Mon Feb 23 15:09:18 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de> + * config.sub (sco5): Fix typo. + +Mon Feb 23 18:19:31 1998 Manfred Hollstein <manfred@s-direktnet.de> + + * config/t-linux (LIBGCC1, CROSS_LIBGCC1, LIBGCC1_TEST): Add macros and + set to empty. + * config/t-linux-aout (LIBGCC1, CROSS_LIBGCC1, LIBGCC1_TEST): Likewise. + * config/alpha/t-linux: Remove file. + * config/sparc/t-linux: Remove file. + * config/m68k/t-linux (LIBGCC1, CROSS_LIBGCC1): Remove. + * config/m68k/t-linux-aout (LIBGCC1, CROSS_LIBGCC1): Likewise. + * configure.in (alpha*-*-linux-gnulibc1*): Use t-linux instead of alpha/t-linux + for tmake_file. + (alpha*-*-linux-gnu*): Likewise. + (sparc-*-linux-gnulibc1*): Use t-linux instead of sparc/t-linux for tmake_file. + (sparc-*-linux-gnu*): Likewise. + +Mon Feb 23 10:47:39 1998 Robert Lipe <robertl@dgii.com> + * collect2.c (ldd_file_name): Bracket declaration with same + manifests as use. + (full_real_ld_suffix): Deleted. Variable was calloced and + written into, but never read. + +1998-02-23 Mike Stump <mrs@wrs.com> + + * configure.in: Add support for i386-wrs-vxworks configuration. + * i386/vxi386.h: New file. + +Sun Feb 22 21:16:51 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de> + + * tree.c (contains_placeholder_p): Ensure function always returns + a value. + * sparc.md (movdi_sp64_insn): Add default case in enumeration switch. + (movsf_const_insn, movdf_const_insn, movtf_const_insn): Likewise. + +Sun Feb 22 20:58:19 1998 Jeffrey A Law (law@cygnus.com) + + * vms.h (SELECT_SECTION): Use TREE_CODE_CLASS correctly. + +1998-02-22 Paul Eggert <eggert@twinsun.com> + + * config/sparc/sol2-sld.h (LINKER_DOES_NOT_WORK_WITH_DWARF2): + Define this new symbol. + (DWARF2_DEBUGGING_INFO, DWARF_DEBUGGING_INFO): Do not #undef. + * toplev.c (main): Do not default to DWARF2_DEBUG with -ggdb if + LINKER_DOES_NOT_WORK_WITH_DWARF2 is defined. + +Sun Feb 22 20:07:32 1998 Jim Wilson <wilson@cygnus.com> + + * iris5.h (DWARF2_UNWIND_INFO): Define to 0. + * iris5gas.h (DWARF2_UNWIND_INFO): Define to 1. + +Sun Feb 22 15:29:48 1998 Richard Henderson <rth@cygnus.com> + + * objc/Object.m (-error): Call objc_verror with our va_list. + +Sun Feb 22 09:45:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * collect2.c (scan_prog_file): Completely cover uses of variable + `exports' with macro COLLECT_EXPORT_LIST. + +Sat Feb 21 20:36:23 1998 Jeff Law (law@cygnus.com) + + * version.c: Bump for snapshot. + +Fri Feb 20 16:22:13 1998 Michael Meissner <meissner@cygnus.com> + + * sched.c (schedule_block): Remove code to get arguments from hard + regs into pseudos early. Same as Aug 25, 1997 change to + haifa-sched.c. + +1998-02-20 Jason Merrill <jason@yorick.cygnus.com> + + * collect2.c (main): Still handle !do_collecting for non-AIX targets. + +1998-02-16 Mark Mitchell <mmitchell@usa.net> + + * toplev.c (rest_of_compilation): Do not defer the output of a + nested function. + +Fri Feb 20 10:39:47 1998 Michael Tiemann <michael@impact.tiemann.org> + + * ginclude/va-mips.h (va_arg): Remove trailing space after '\' + continuation character (line 243). + +Fri Feb 20 12:10:26 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> + + * genrecog.c (main): Remove duplicated sentence in emitted comment. + +Thu Feb 19 22:36:53 1998 Andrey Slepuhin <pooh@msu.net> + David Edelsohn <edelsohn@mhpcc.edu> + + * collect2.c (XCOFF_SCAN_LIBS): Remove. + (export_flag): New variable. + (export_file): #ifdef COLLECT_EXPORT_LIST. + (import_file, exports, imports, undefined): New variables. + (libs, cmdline_lib_dirs, libpath_lib_dirs, libpath, libexts): Same. + (dump_list, dump_prefix_list, is_in_list): New functions. + (write_export_file): $ifdef COLLECT_EXPORT_LIST. + (write_import_file, resolve_lib_name): New functions. + (use_import_list, ignore_library): Same. + (collect_exit): maybe_unlink import_file and #ifdef. + (handler): Same. + (main): New variable importf, #ifdef exportf. Move parsing of + -shared before general argument parsing. Resolve AIX library + paths and import libgcc.a symbols. Treat .so shared libraries the + same as objects and .a libraries. Create alias for object_lst and + increment it instead of original pointer. Scan AIX libraries as + objects earlier instead of using scan_libraries. Perform AIX + tlink later to resolve templates instead of forking ld. + (GCC_OK_SYMBOL): Ensure symbol not in undef section. + (GCC_UNDEF_SYMBOL): New macro. + (scan_prog_file): Loop for members of AIX libraries. Handle + export/import of ctors/dtors. + (aix_std_libs): New variable. + (scan_libraries, XCOFF): Delete. + +Thu Feb 19 22:36:52 1998 Robert Lipe <robertl@dgii.com> + + * collect2.c (full_real_ld_suffix): #ifdef CROSS_COMPILE. + +1998-02-19 Mike Stump <mrs@wrs.com> + + * Makefile.in: Use $tooldir for sys-include to match toplevel + configure. + +Thu Feb 19 01:32:37 1998 Jeffrey A Law (law@cygnus.com) + Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * emit-rtl.c (gen_lowpart_common): Suppress last change if __complex__. + + * emit-rtl.c (hard-reg-set.h): Include. + (get_lowpart_common): Don't make new REG for hard reg in a + class that cannot change size. + * Makefile.in (emit-rtl.o): Depend on hard-reg-set.h. + + * combine.c: Revert previous patch. + +1998-02-19 Paul Eggert <eggert@twinsun.com> + + * config/sparc/sol2-sld.h: New file. + * configure.in (sparc-*-solaris2*): Use it when using the + system linker. + +Thu Feb 19 00:46:59 1998 Jeffrey A Law (law@cygnus.com) + + * loop.c (force_movables): Fix typo. + +Thu Feb 19 08:26:30 1998 Manfred Hollstein <manfred@s-direktnet.de> + + * m88k.h: Change file pattern to match reality. + +Wed Feb 18 23:19:52 1998 Jeffrey A Law (law@cygnus.com) + + * varasm.c (output_constant_pool): Fix dumb thinko in last + change. + + * pa.h (ASM_OUTPUT_FUNCTION_PREFIX): Correctly translate from + a function name to a section name. + +1998-02-18 Doug Evans <devans@cygnus.com> + + * tree.h (merge_machine_{type,decl}_attributes): Declare. + (split_specs_attrs, strip_attrs): Add prototypes. + * tree.c (merge_machine_{type,decl}_attributes): New functions. + * c-decl.c (duplicate_decls): Call merge_machine_decl_attributes. + Update olddecl's attributes too. + * c-common.c (strip_attrs): New function. + * c-typeck.c (common_type): Call merge_machine_type_attributes. + * varasm.c (make_function_rtl): New target macro REDO_SECTION_INFO_P. + (make_decl_rtl): Likewise. + +1998-02-18 Jim Wilson <wilson@cygnus.com> + + * c-decl.c (shadow_tag_warned): Call split_specs_attrs. + +Wed Feb 18 09:09:50 1998 Jeffrey A Law (law@cygnus.com) + + Remove this change until we can fix it correctly. + * collect2.c: Bracket declaration of 'exportf' and + 'full_real_ld_suffix'. + +Wed Feb 18 08:44:25 1998 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE> + + * Makefile.in (STAGESTUFF): Add genrtl.c, genrtl.h and gengenrtl. + +Tue Feb 17 23:30:20 1998 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE> + + * c-common.c (c_expand_start_cond, c_expand_end_cond, + c_expand_start_else): Don't warn about non-ambiguous else even if + braces are missing. + +Tue Feb 17 23:56:50 1998 Robert Lipe <robertl@dgii.com> + + * sco5.h (ASM_OUTPUT_DOUBLE, ASM_OUTPUT_FLOAT, + ASM_OUTPUT_LONG_DOUBLE): Delete. Use the ones from i386.h + instead. + +Tue Feb 17 22:56:14 1998 Richard Henderson <rth@cygnus.com> + + * combine.c (simplify_rtx): Obey CLASS_CANNOT_CHANGE_SIZE when + simplifying a subreg of a hard reg. + (expand_compound_operation): Likewise. + (force_to_mode): Likewise. + +Tue Feb 17 22:37:22 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * fold-const.c: Include "system.h" to get stdlib.h and stdio.h. + (lshift_double): Add parentheses around + or - inside shift. + (rshift_double): Likewise. + (size_int_wide): Explicitly set type of `bit_p' to `int'. + + * Makefile.in (fold-const.o): Depend on system.h. + + * Makefile.in (gcc.o): Depend on system.h, in accordance with last + change to gcc.c. + + * haifa-sched.c: Include "system.h" to get <stdlib.h> and <stdio.h>. + (BLOCKAGE_RANGE): Add parentheses around arithmetic in operand of |. + (sched_note_set): Remove unused parameter `b', all callers changed. + (schedule_block): Likewise for `rgn'. + (split_hard_reg_notes): Likewise for `orig_insn'. + (check_live): Likewise for `trg'. + (update_live): Likewise. + (check_live_1): Explicitly declare variable `i' as int. + (update_live_1): Likewise. + (insn_issue_delay): Remove unused variable `link'. + (sched_analyze_2): Add default case in enumeration switch. + (schedule_insns): Remove unused variable `i'. + + * Makefile.in ($(SCHED_PREFIX)sched.o): Depend on system.h. + +Tue Feb 17 22:31:04 1998 Jeffrey A Law (law@cygnus.com) + + * loop.c (rtx_equal_for_loop_p): Add some braces to disambiguate + a dangling else clause. + +Tue Feb 17 21:28:12 1998 Gavin Koch <gavin@cygnus.com> + + * mips/mips.h (CAN_ELIMINATE): Don't eliminate the frame + pointer for the stack pointer in MIPS16 and 64BIT. + +Tue Feb 17 21:17:30 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * rtl.h (force_line_numbers, restore_line_number_status): Declare. + * emit-rtl.c (force_line_numbers, restore_line_number_status): + New functions. + * stmt.c (struct nesting): Replace seenlabel with line_number_status. + (expand_start_case): Adjust to this change. + (check_seenlabel): New function. + (pushcase, pushcase_range, expand_endcase): Use it. + +Tue Feb 17 10:14:32 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * i386.md (adddi3): Add =!r,0,0,X alternative. + +Mon Feb 16 16:13:43 1998 David Edelsohn <edelsohn@mhpcc.edu> + + * rs6000.h (MY_ISCOFF): Add numeric value of U803XTOCMAGIC. + * x-aix31 (INSTALL): Delete. + +Mon Feb 16 09:24:32 1998 Gavin Koch <gavin@cygnus.com> + + * mips/mips.c (mips_expand_epilogue): Update tsize_rtx if + tsize changes to something other than zero. + +Mon Feb 16 09:11:48 1998 Gavin Koch <gavin@cygnus.com> + + * ginclude/va-mips.h: Replace casts of pointers to int with + casts of pointers to __PTRDIFF_TYPE__. + +Mon Feb 16 08:17:14 1998 John Carr <jfc@mit.edu> + + * loop.c (strength_reduce, record_biv, record_giv): Use + HOST_WIDE_INT_PRINT_DEC to print CONST_INT values. + +1998-02-16 Jason Merrill <jason@yorick.cygnus.com> + + * tree.c (first_rtl_op): New fn. + (unsave_expr_now): Use it. + * print-tree.c (print_node): Likewise. + * tree.c (has_cleanups): New fn. + * fold-const.c (fold, case CLEANUP_POINT_EXPR): Use it. Be more + conservative about pushing the cleanup point down. + * tree.h: Declare them. + +Sun Feb 15 23:28:44 1998 Jeffrey A Law (law@cygnus.com) + + * toplev.c (flag_schedule_reverse_before_reload): Delete variable. + (flag_schedule_reverse_after_reload): Likewise. + (f_options): Remove reverse scheduling support. + * flags.h (flag_schedule_reverse_before_reload): Delete declaration. + (flag_schedule_reverse_after_reload): Likewise. + * haifa-sched.c (rank_for_schedule): Remove support for reverse + scheduling. + +Sun Feb 15 21:33:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * gcc.c: Get system includes, prototypes and macros via "system.h" + instead of doing it manually. Change all calls of the ctype + macros to custom versions defined in "system.h". + + * system.h: Fix return type of bcmp prototype from `void' to `int'. + Make bcopy, bcmp and bzero prototypes explicitly `extern'. + Add a prototype for getenv. + +Sun Feb 15 17:05:41 1998 Jim Wilson <wilson@cygnus.com> + + * mips/mips.h (INITIAL_ELIMINATION_OFFSET): Readd Jun 6 change. + +Sun Feb 15 15:23:15 1998 John Carr <jfc@mit.edu> + + * alias.c: Include <stdlib.h> and <string.h>. + (init_alias_analysis): Pass NULL_RTX instead of 0 to record_set. + +Sat Feb 14 11:23:09 1998 Jeff Law (law@cygnus.com) + + * version.c: Bump for snapshot. + +Sat Feb 14 05:08:21 1998 Richard Earnshaw (rearnsha@arm.com) + + * arm.md (movsfcc): Also validate operands[3] when compiling hard + float. + (movdfcc): Only accept fpu_add_operand for operands[3]. + + * arm/t-semi (STMP_FIXPROTO): Define to nothing. + * arm/t-semiaof (STMP_FIXPROTO): Likewise. + +Sat Feb 14 02:02:41 1998 Jeffrey A Law (law@cygnus.com) + + * varasm.c (output_constant_pool): Bring back 'done' label inside + an appropriate #ifdef. + + * bitmap.c (bitmap_element_allocate): Wrap variable 'i' in an + appropriate #ifdef. + (bitmap_copy, bitmap_operation): Likewise. + * combine.c (combinable_i3pat): Similarly for 'src'. + * function.c (fixup_var_refs_1): Similarly for 'outerdest'. + (locate_and_pad_parm): Similarly for 'reg_parm_stack_space'. + * regclass.c (copy_cost): Similarly for 'secondary_class'. + * reload.c (make_memloc): Similarly for 'i'. + (find_reloads_address_1): Similarly for 'link'. + * reload1.c (reload): Similarly for 'previous_frame_pointer_needed'. + (emit_reload_insns): Similarly for 'second_reloadreg'. + * unroll.c (iteration_info): Similarly for 'v'. + + * caller-save.c (insert_save_restore): Remove unused variable 'i'. + * calls.c (expand_call): Similarly for 'i'. + (emit_library_call, emit_library_call_value): Similarly for 'mode'. + * fold-const.c (strip_compound_expr): Similarly for 'type'. + * function.c (fixup_var_refs_1): Similarly for 'width'. + (fixup_memory_subreg): Similarly for 'saved'. + (locate_and_pad_parm): Similarly for 'boundary_in_bytes.' + (setjmp_protect): Similarly for 'sub'. + (thread_prologue_and_epilogue_insns): Similarly for 'insn'. + * loop.c (record_giv): Similarly for 'p'. + (combine_givs): Similarly for 'temp_iv'. + (indirect_jump_in_function_p): Similarly for 'is_indirect_jump'. + * recog.c (validate_replace_rtx_1): Similarly for 'width'. + * tree.c (get_set_constructor_bytes): Similarly for 'vals'. + * unroll.c (unroll_loop): Similarly for 'copy'. + (iteration_info): Similarly for 'b'. + * varasm.c (assemble_string): Similarly for 'i'. + * i386.h (LEGITIMIZE_ADDRESS): Similarly for 'orig_x'. + +1998-02-13 Martin von Löwis <loewis@informatik.hu-berlin.de> + + * c-lang.c (lang_print_xnode): New function. + * objc/objc-act.c (lang_print_xnode): Likewise. + * print-tree.c (print_node): Call it + +Fri Feb 13 14:38:34 1998 Jim Wilson <wilson@cygnus.com> + + * dwarf2out.c (decl_scope_node): New type. + (decl_scope_table): Change type to use it. + (decl_scope_table_allocated, decl_scope_depth): Change type to int. + (push_decl_scope): Use new type. New locals containing_scope, i. + Add code to handle setting previous field. + (scope_die_for): Change type of local i to int. Add code to use + previous field. + (dwarf2out_init): Use new type. + +1998-02-13 Jason Merrill <jason@yorick.cygnus.com> + + * except.c (emit_throw): Lose throw_used. + +Fri Feb 13 20:36:05 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * sched.c (update_flow_info, REG_WAS_0): Ignore if setting insn + was deleted. + * haifa-sched.c (update_flow_info, REG_WAS_0): Likewise. + +Fri Feb 13 12:18:40 1998 Jeffrey A Law (law@cygnus.com) + + * genextract.c (main): Fix typo. + +Fri Feb 13 08:41:49 1998 Robert Lipe <robertl@dgii.com> + + * c-lang.c (finish_file): Bracket declaration of static_ctors, + static_dtors. + + * calls.c (expand_call): Bracket declaration of 'rtx_before_call', + 'old_stack_arg_under_construction' + (emit_library_call): Bracket declaration of 'upper_bound', + 'lower_bound', 'i', 'reg_parm_stack_space' + (emit_library_call_value): Likewise. + (store_one_arg): + + * collect2.c: Include <unistd.h> when appropriate. + Bracket declaration of 'exportf' and 'full_real_ld_suffix'. + + * emit-rtl.c (prev_cc0_setter): Remove unused variable 'link'. + + * explow.c (plus_constant_for_output_wide): Remove unused variable + 'code'. + (memory_address): Remove unused variable 'orig_x'. + + * genattrtab.c (make_canonical): Remove unreferenced label 'cond:'. + (write_const_num_delay_slots): Remove unused variable 'i'. + + * genopinit.c (main): Remove unused variables 'dummy', 'insn_ptr'. + (gen_insn): Remove unused variable 'obstack_ptr'. + + * libgcc2.c (__bb_exit_func): Remove unused variables 'ret', + 'j', 'tmp', 'i'. + (__bb_exit_trace_func): Remove unused variable 'e'. + + * optabs.c (expand_binop): Remove unused variables 'lhs', 'rhs', + 'funexp'. + (expand_unop): Remove unused variable 'funexp'. + (expand_complex_abs): Remove unused variable 'funexp'. + (init_optabs): Bracket declaration of 'j'. + (init_complex_libfuncs): Deleted. Dead static function. + + * profile.c (branch_prob): Remove unused variables 'insn', 'dest'. + + * reg-stack.c: Fix typo in proto for 'get_asm_operand_lengths' + (reg_to_stack): 'initialized', 'before_function_beg' + explicitly type as ints instead of defaulting. + (emit_swap_insn): Remove unused variable 'i2'. + (compare_for_stack_reg): Remove unused variable 'src_note'. + + * rtlanal.c (computed_jump_p): Remove unused variable 'computed_jump'. + + * sched.c (actual_hazard): Bracket declaration of 'this_cost'. + + * stmt.c (add_case_node): Add parens for assignment used as truth. + (all_cases_count): Remove unused variable 'count_high'. + (mark_seen_cases): Remove unused variable 'i'. + (check_for_full_enumeration_handling): Remove unused variable 't'. + Bracket declaration of 'all_values', 'l'. + + * tlink.c: Include <stdlib.h>, <unistd.h>, <string.h>/<strings.h>. + + * varasm.c (assemble_string): Remove unused variable 'i'. + (immed_double_const): Remove unused variable 'in_current_obstack'. + (immed_real_const_1): Likewise. + (output_constant_pool): Remove unreferenced label 'done'. + (output_constant): Remove unused variable 'x'. + + * i386/i386.h (ENCODE_SECTION_INFO): TREE_PUBLIC is an int, not + a string. + + * i386/sco5.h (ASM_OUTPUT_ASCII): Add parens for assignment used + as truth. + +Fri Feb 13 10:21:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * combine.c (can_combine_p): Handle USEs in PARALLELs. + +Fri Feb 13 01:34:14 1998 H.J. Lu (hjl@gnu.org) + + * config/linux.h (LIB_SPEC): Add -lc for -shared if + USE_GNULIBC_1 is not defined. + * config/sparc/linux.h; Likewise. + + * config/sparc/linux64.h (LIB_SPEC): Add -lc for -shared. + + * config/alpha/linux-elf.h (LIB_SPEC): New. Defined if + USE_GNULIBC_1 is not defined. + +Fri Feb 13 01:29:29 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com> + + * rs6000/sysv4.h (ENDFILE_SPEC): Add missing %(endfile_linux) + for -mcall-linux. + +Fri Feb 13 01:23:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * system.h: New file to get common systems includes and various + definitions and declarations based on autoconf macros. + +Fri Feb 13 00:46:19 1998 Jeffrey A Law (law@cygnus.com) + + * cccp.c (new_include_prefix): Correctly handle -I./. + +Thu Feb 12 20:16:35 1998 Michael Meissner <meissner@cygnus.com> + + * rs6000.md: Replace gen_rtx (CONST_INT,...) with GEN_INT. + +Thu Feb 12 16:45:17 1998 Robert Lipe <robertl@dgii.com> + + * expr.c (expand_assignment): Correct typo exposed by -Wall. + offset should have been a truth value, not an assignment. + +Thu Feb 12 15:26:50 1998 Jeffrey A Law (law@cygnus.com) + + * cse.c (delete_dead_from_cse): If a libcall produces a constant + result and that result can be substituted into SET_SRC of the + insn with the REG_RETVAL note, then perform the substitution + and delete the libcall. + +Thu Feb 12 14:04:09 1998 Gavin Koch <gavin@cygnus.com> + + * mips.md (trucndihi2,truncdiqi2): Change these to support + mips16. + +Thu Feb 12 11:34:55 1998 Gavin Koch <gavin@cygnus.com> + + * mips/mips.c (movdi_operand): Direct references to symbols + that arn't mips16 consts in mips16 mode arn't valid operands. + + * mips/mips.c (mips_move_2words): Add gprel handling. + +Thu Feb 12 11:18:37 1998 Gavin Koch <gavin@cygnus.com> + + * mips.md (extendsidi2): Allow extension to/from a non-mips16 + register. + +Thu Feb 12 00:04:16 1998 Marc Lehmann <pcg@goof.com> + + * i386.c: Conditionally include <stdlib.h>, <string.h>, and + <strings.h>. + +Wed Feb 11 11:43:34 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * Makefile.in (WARN_CFLAGS): New variable. + (bootstrap, bootstrap2, bootstrap3, bootstrap4): Use it. + +1998-02-11 Mark Mitchell <mmitchell@usa.net> + + * config/i386/i386.c (reg_mentioned_in_mem): Don't abort when + falling through default case in switch. + (i386_aligned_p): Likewise. + +Wed Feb 11 12:59:56 1998 Lee Iverson <leei@Canada.AI.SRI.COM> + + * mips/mips.h (mips_abi_string): Correct typo in comment. + +Wed Feb 11 08:29:56 1998 Gavin Koch <gavin@cygnus.com> + + * mips/mips.md (movdi): These PLUS's need to be Pmode. + +Wed Feb 11 01:47:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * Makefile.in (dwarf2out.o, emit-rtl.o, jump.o, cse.o, unroll.o, + reorg.o, regmove.o): Depend on insn-codes.h, it gets included + indirectly via expr.h. + +Wed Feb 11 01:44:13 1998 Richard Henderson <rth@cygnus.com> + + * stor-layout.c (layout_type): Do upper - lower in the native type, + so as to properly handle negative indices. + +Wed Feb 11 01:35:55 1998 Robert Lipe <robertl@dgii.com> + + * except.c (start_dynamic_cleanup): Remove unused variable 'dhc'. + (expand_eh_region_start_tree): Remove unused variable 'note'. + (exception_optimize): Remove unused variable 'regions'. + (expand_builtin_eh_stub): Remove unused variable 'temp'. + (copy_eh_entry): Deleted. Dead function. + + * expr.c (move_block_to_reg): Bracket declaration of 'pat' and + 'last' with same #if HAVE_load_multiple as use of it. + (move_block_from_reg): Likewise. + (emit_move_insn_1): Remove unused variable 'insns'. + (store_constructor): Bracket declaration of startb, endb with + #if TARGET_MEMFUNCTIONS. Remove unused variables 'set_word_size' + 'target', and 'xtarget'. + (expand_builtin_setjmp): Remove unused variables 'op0', + 'next_arg_reg', 'old_inhibit_defer_pop'. + (expand_builtin): Remove unused variable 'offset'. + (do_store_flag): Remove unused variables 'pattern', 'jump_pat'. + (emit_queue): Add parens for assignment used as conditional. + (expand_expr): Case TARGET_EXPR: Remove unused variable 'temp'. + +Wed Feb 11 01:30:49 1998 Marc Lehmann <pcg@goof.com> + + * i386.c: Added include for recog.h. + (override_options): Removed unused variable p. Initialized regno to + avoid warning. + (order_regs_for_local_alloc): Initialized regno to avoid warning. + (legitimize_address): Likewise for 'other'. + (i386_aligned_reg_p): Added default case with abort (). + (print_operand): Likewise. + (reg_mentioned_in_mem): Likewise. + (ix86_expand_binary_operator): Removed unused variables i & insn. + (ix86_expand_unary_operator): Removed unused variable insn. + (output_fp_cc0_set): Removed unused variable unordered_label. + +Wed Feb 11 01:23:03 1998 John F. Carr <jfc@mit.edu> + + * i386.c, i386.h, i386.md: Change gen_rtx (X, ...) to gen_rtx_X (...). + Use GEN_INT instead of gen_rtx (CONST_INT). Make printf arguments + and format string match. + +Wed Feb 11 01:17:39 1998 Jeffrey A Law (law@cygnus.com) + + * flow.c (life_analysis): Do not consider the stack pointer live at + the end of a function if the function calls alloca. + (mark_used_regs): Similarly. + +1998-02-10 John F Carr <jfc@mit.edu> + + * config/sparc/sparc.md (movdi_v8plus): Output stx on alternative + 1, fzero on alternative 8. + +Tue Feb 10 09:02:19 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * rs6000.c (setup_incoming_varargs): Always set rs6000_sysv_varargs_p. + +Tue Feb 10 03:35:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * reload.c (find_reloads_toplev): Handle arbitrary non-paradoxical + SUBREGs of CONST_INTs. + +Mon Feb 9 17:52:36 1998 John Carr <jfc@mit.edu> + + * mips.c (print_operand, function_prologue): Make printf format + match argument type. + +Mon Feb 9 02:37:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * alpha.c (alpha_return_addr): Remove unused variable `first'. + (alpha_ra_ever_killed): Remove unused variables `ra' and `i'. + (output_epilog): Remove unused variable `frame_size_from_reg_save'. + +Sun Feb 8 14:56:03 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * loop.c (strength_reduce): When placing increment for auto-inc + case, do comparison in loop order. + +Sun Feb 8 13:21:38 1998 John Carr <jfc@mit.edu> + + * bitmap.c (bitmap_debug_file): HOST_PTR_PRINTF converts a pointer, + not a HOST_WIDE_INT. + + * calls.c (expand_call): Change test of expand_inline_function + return value to stop compiler warning. + + * genattrtab.c (RTL_HASH): Cast pointer to long, not HOST_WIDE_INT. + +Sun Feb 8 12:04:24 1998 Jim Wilson (wilson@cygnus.com) + Jeff Law (law@cygnus.com) + + * regmove.c: Fix various minor formatting problems. + (optimize_reg_copy_1): Stop search at CALL_INSNs if flag_exceptions + is true. Make end of basic block tests consistent through regmove.c. + (optimize_reg_copy_2, optimize_reg_copy_3): Likewise. + (fixup_match_2, fixup_match_1, regmove_optimize): Likewise. + +Sun Feb 8 01:49:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * gansidecl.h: Check for a conflicting macro definition before + attempting to prototype bcopy, bcmp or bzero. + +Sun Feb 8 00:09:59 1998 Jeffrey A Law (law@cygnus.com) + + * expr.c (clear_pending_stack_adjust): Handle case where a function + calls alloca, but the user has specified -fomit-fframe-pointer. + + * function.c (assign_parms): Fix typo in last change. + +Sat Feb 7 23:54:29 1998 Robert Lipe <robertl@dgii.com> + + * gcc.c: Include <strings.h>/<string.h>, <stdlib.h>, <unistd.h>, + <fcntl.h>. + (free_path_suffix): Remove unreferenced static function. + (process_command): Remove unused variable temp. + (default_arg): Remove unused variable i. + (do_spec_1): Add parens for assignment used as truth value. + (main): Likewise. + (validate_all_switches): Likewise. + (main): Remove unused variables i, first_time> + + * c-common.c: Include <stdlib.h> and <string.h>/<strings.h>. + + * calls.c (expand_call): Remove unused variables funtree, + n_regs, and tmpmode. + + * dbxout.c, except.c: Include <string.h>/<strings.h>. + + * explow.c (plus_constant_for_output_wide): Removed unused + variable all_constant. + + * c-decl.c, genattr.c, genattrtab.c, getconfig.c, genemit.c + genextract.c, genflags.c, genopinit.c genoutput.c, genpeep.c, + genrecog.c, global.c, integrate.c , stupid.c : Include + <stdlib.h>. + + * genextract.c (walk_rtx): Remove unused variable link. + + * genrecog.c (concat): Remove unreferenced static function. + + * prefix.c: Include <string.h>/<strings.h>, <stdlib.h> + + * stmt.c: Include <stdlib.h>. + (expand_asm_operands): Remove unused variable val1. + (expand_return): Remove unused variable block. + (pushcase): Remove unused variables l and n. + (pushcaserange): Likewise. + + * unroll.c (unroll_loop): Remove unused variable temp. + +Sat Feb 7 23:46:09 1998 Greg McGary <gkm@gnu.org> + + * c-decl.c (pushdecl): Set DECL_ORIGINAL_TYPE once only. + +Sat Feb 7 15:11:28 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * aclocal.m4 (GCC_FUNC_PRINTF_PTR): New macro to test the printf + functions for whether they support the %p format specifier. + * acconfig.h (HOST_PTR_PRINTF): Insert stub for autoconf. + * configure.in (GCC_FUNC_PRINTF_PTR): Use it. + * configure, config.in: Rebuild. + +Fri Feb 6 14:20:16 1998 Jim Wilson <wilson@cygnus.com> + + * function.c (assign_parms): New variable named_arg, with value + depending on STRICT_ARGUMENT_NAMING. Use instead of ! last_named. + +Fri Feb 6 14:34:28 1998 Gavin Koch <gavin@cygnus.com> + + * mips/t-r3900: New - same as t-ecoff but eliminate + multilibs: mips1 and mips3. + * configure.in (tx39*): Use new mips/t-r3900. + * configure: Rebuild. + * mips/r3900.h (MULTILIB_DEFAULTS): Eliminate mips1. + +1998-02-06 Jason Merrill <jason@yorick.cygnus.com> + + * dwarf2out.c: Add old_args_size. + (dwarf2out_args_size): Use it. + (dwarf2out_begin_prologue): Initialize it. + (dwarf2out_stack_adjust): If !asynchronous_exceptions, save up + pushed args until we see a call. + * final.c (final_scan_insn): Hand CALL_INSNs off to the dwarf2 code + before outputting them. + +1998-02-06 Kriang Lerdsuwanakij <lerdsuwa@scf.usc.edu> + + * cplus-dem.c (demangle_template_template_parm): New function. + (demangle_template): Handle template template parameters. + +1998-02-02 Mark Mitchell <mmitchell@usa.net> + + * calls.c (expand_call): Don't confuse member functions named + realloc, setjmp, and so forth with the standard library + functions of the same names. + +Thu Feb 5 21:59:49 1998 Jeffrey A Law (law@cygnus.com) + + * stmt.c (expand_asm_operands): Correctly identify asm statements + no output operands. + +Thu Feb 5 21:56:06 1998 Mumit Khan <khan@xraylith.wisc.edu> + + * c-common.c (decl_attributes): Flag unrecognized attribute + functions as warnings instead of as errors. + +1998-02-05 Marc Lehmann <pcg@goof.com> + + * integrate.c (INTEGRATE_THRESHOLD): Inline only small functions + when -Os is specified. + * toplev.c (main): Don't disable flag_inline_functions anymore when + -Os is in effect. + +Fri Feb 6 00:27:36 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * regmove.c: Update. + * flags.h (flag_regmove): Declare. + * rtl.h (optimize_reg_copy_1, optimize_reg_copy_2): Don't declare. + * local-alloc.c (optimize_reg_copy_1, optimize_reg_copy_2): + Moved into regmove; changed caller. + * toplev.c (rest_of_compilation): Call regmove_optimize also for + expensive_optimizations. + +Thu Feb 5 13:38:42 1998 Jeff Law (law@cygnus.com) + + * version.c: Bump for snapshot. + +Thu Feb 5 01:45:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + Undo this change (the problem was actually in reload): + Fri Jan 23 23:28:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * sh.md (movqi_i+1): New peephole. + +Tue Feb 3 01:11:12 1998 Jeffrey A Law (law@cygnus.com) + + * jump.c (jump_optimize): Lose calls to modified_in_p they are + not needed anymore due to changes elsewhere in jump.c. + + * jump.c (jump_optimize): Fix first arg to modified_in_p in + previous change. + +Mon Feb 2 19:18:14 1998 Richard Henderson <rth@cygnus.com> + + * expr.c (expand_builtin_setjmp): Accept two new arguments for + the labels to branch to on first and subsequent executions. Don't + play with __dummy. Rename `setjmp' insn to `builtin_setjmp_setup', + and provide it with the jmp_buf. Use only one of + `builtin_setjmp_receiver' or `nonlocal_goto_receiver', + and provide the former with the target label. + (expand_builtin) [BUILTIN_SETJMP]: Generate a label for use by setjmp. + (expand_builtin) [BUILTIN_LONGJMP]: Split out to ... + (expand_builtin_longjmp): ... here. Recognize a `builtin_longjmp' + insn to replace all of the normal nonlocal_goto code. Don't play + with __dummy. Correct arguments to nonlocal_goto. + * expr.h (expand_builtin_setjmp): Update prototype. + * except.c (start_dynamic_handler): When using builtin_setjmp, + generate more accurate flow information. + + * alpha.md (nonlocal_goto_receiver_osf): Delete. + (nonlocal_goto_receiver_vms): Rename to nonlocal_goto_receiver. + (builtin_longjmp, builtin_setjmp_receiver): New. + * sparc.md (update_return): Disambiguate unspec number. + (nonlocal_goto): Rearrange arguments to match caller in except.c. + (builtin_setjmp_setup): Rename from setjmp. Match and ignore the + jmp_buf operand. + * mips.md (nonlocal_goto_receiver, builtin_setjmp_receiver): Remove. + (builtin_setjmp_setup*, builtin_longjmp): New. + +Mon Feb 2 16:43:10 1998 John Carr <jfc@mit.edu> + + * mips.md: Change gen_rtx (CONST_INT) to GEN_INT. + +Mon Feb 2 13:06:47 1998 Jim Wilson <wilson@cygnus.com> + + * vmsconfig.com: Remove bytecode references. + +1998-01-30 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> + + * dwarf2out.c (dwarf2out_frame_init): Undo last change, so that + -fno-sjlj-exceptions works for a target that defines + DWARF2_UNWIND_INFO as zero. + + * regmove.c (fixup_match_1): Undo last change which removed some + "useless" code, and add a comment explaining this. + +Mon Feb 2 10:47:14 1998 Gavin Koch (gavin@cygnus.com) + + * mips.c (mips_expand_prologue): Change uses of TARGET_64BIT + to TARGET_LONG64. + +Mon Feb 2 10:38:41 1998 Klaus Kaempf <kkaempf@progis.de> + + * makefile.vms: Remove bytecode references. + Create genrtl files. + +Mon Feb 2 02:08:04 1998 Michael P. Hayes <michaelh@ongaonga.chch.cri.nz> + + * jump.c (jump_optimize): Allow conditional loading of floating point + constants and constants from memory. Reinstalled modified_in_p tests. + +Mon Feb 2 01:38:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * loop.c (get_condition): Handle sign-extended constants. + +Mon Feb 2 01:22:46 1998 Hans-Peter Nilsson <hp@axis.se> + + * expr.c (emit_push_insn): Add code to use movstrti if present. + + * expr.c (emit_push_insn): Use same max-move-amount for movstrhi + and movstrqi as in emit_block_move (). + +Mon Feb 2 00:09:52 1998 Toon Moene <toon@moene.indiv.nluug.nl> + + * config/m68k/x-next: Remove /NextDeveloper/Headers from + the directories to fixinclude - /usr/include is a link + to it and hence its contents are fixed by default. + +Sun Feb 1 14:15:33 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com> + + * rs6000/linux.h: Define JUMP_TABLES_IN_TEXT_SECTION. + +Sun Feb 1 13:01:15 1998 Klaus Kaempf <kkaempf@progis.de> + + * cccp.c (main): Predefine __VMS_VER on VMS. + +Sun Feb 1 12:39:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * expr.c (get_inner_reference): Use sbitsizetype for type sizes. + * fold-const.c (size_int): Replace with + (size_int_wide). + (make_bit_field_ref): Use bitsize_int for bit position. + * stor-layout.c (sizetype): Delete. + (sizetype_tab, sbitsizetype, ubitsizetype): Declare. + (layout_record, layout_union, layout_type): + Use bitsize_int for bit size. + (set_sizetype): New function. + (make_signed_type, make_unsigned_type): Use it. + * c-decl.c (init_decl_processing): Likewise. + * tree.h (size_int): Don't delcare, #define. + (size_int_wide, sizetype_tab, sbitsize, ubitsize): Declare. + (set_sizetype): Declare. + (bitsize_int, size_int_2, BITS_PER_UNIT_LOG, sizetype, bitsizetype): + Define. + * c-typeck.c (c_sizeof, c_sizeof_nowarn, c_size_in_bytes): + Convert result to sizetype. + (really_start_incremental_init, push_init_level): + Set type of constructor_bit_index to sbitsizetype. + (push_init_level): Use unsigned arithmetic to determine padding. + (output_init_element): Likewise. + +Sun Feb 1 03:32:07 1998 Jeffrey A Law (law@cygnus.com) + + * combine.c (simplify_shift_const): Fix typo in last change. + +Sun Feb 1 02:50:46 1998 John Carr <jfc@mit.edu> + + * combine.c (simplify_shift_const): (lshiftrt (truncate (lshiftrt))) + is (truncate (lshiftrt)). + +Sun Feb 1 01:06:53 1998 Richard Henderson <rth@cygnus.com> + + * alpha.c (alpha_expand_unaligned_load): Use expand_binop properly. + Make sure result winds up in TGT. + (alpha_expand_unaligned_store): Use expand_binop properly. Allow + src to be other than DImode. + (alpha_expand_unaligned_load_words): Tidy. Take an offset argument. + (alpha_expand_unaligned_store_words): Likewise. + (alpha_expand_block_move): Use REGNO_POINTER_ALIGN. Restructure so + that source and destination are separately optimized for alignment. + (alpha_expand_block_clear): Use REGNO_POINTER_ALIGN. + +Sun Feb 1 01:55:09 1998 Jeffrey A Law (law@cygnus.com) + + * mips.md (adddi3_internal_2): Be consistent with adddi3 expander + with handling of -32768. + +Sun Feb 1 01:48:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * aclocal.m4 (GCC_NEED_DECLARATION): Modify macro to accept a + shell variable argument instead of only hard coded functions. + (GCC_NEED_DECLARATIONS): New macro to accept multiple functions. + + * configure.in: Collapse multiple calls to AC_CHECK_FUNCS into one + call. Collapse multiple calls to GCC_NEED_DECLARATION into one + call to GCC_NEED_DECLARATIONS (new macro.) Check if we need + declarations for bcopy, bcmp and bzero. + + * acconfig.h: Add stubs for bcopy, bcmp and bzero declarations. + + * gansidecl.h: If we have bcopy but don't declare it, then do so. + Likewise for bcmp and bzero. Only define macros for bcopy, bcmp, + bzero, index and rindex if they aren't already present. + +Sat Jan 31 11:26:58 1998 Jeffrey A Law (law@cygnus.com) + + * toplev.c (close_dump_file): Wrap function prototype for + argument "func" in PROTO. + (dump_rtl): Likewise. + +Fri Jan 30 22:30:39 1998 John Carr <jfc@mit.edu> + + * sparc.c (sparc_override_options): Make v8plus and ultrasparc set + MASK_V8PLUS. + (output_function_epilogue): Omit epilogue if nothing drops through. + (output_move_double): Suppress int ldd usage on ultrasparc and v9. + (registers_ok_for_ldd_peep): Likewise. + (print_operand): Suppress b,a on ultrasparc. Let Y accept a constant. + (ultrasparc_adjust_cost): New function. + (sparc_issue_rate): New function. + * sparc.h (MASK_VIS, TARGET_VIS): New. + (MASK_V8PLUS, TARGET_V8PLUS): New. + (TARGET_HARD_MUL32, TARGET_HARD_MUL): New. + (TARGET_SWITCHES): Add vis and v8plus. + (REG_CLASS_FROM_LETTER): Accept d and b for VIS. + (REGISTER_MOVE_COST): FP<->INT move cost 12 for ultrasparc. + (RTX_COSTS): Use TARGET_HARD_MUL. + (ADJUST_COST): Call ultrasparc_adjust_cost. + (ISSUE_RATE): New. + * sparc.md (attr type): Add sload, fpmove, fpcmove. Adjust users + of load & fp appropriately. + (supersparc function units): Adjust for Haifa. + (ultrasparc function units): Likewise. + (get_pc_via_rdpc): All v9, not just arch64. + (movdi_v8plus, movdi_v8plus+1): New. + (adddi3_sp32+1): New. + (subdi3_sp32+1): New. + (movsi_insn, movsf_const_insn, movdf_const_insn): Know VIS. + (addsi3, subsi3, anddi3_sp32, andsi3, and_not_di_sp32): Likewise. + (and_not_si, iordi3_sp32, iorsi3, or_not_di_sp32, or_not_si): Likewise. + (xorsi3_sp32, xorsi3, xor_not_di_sp32, xor_not_si): Likewise. + (one_cmpldi2_sp32, one_cmplsi2): Likewise. + (ldd peepholes): Suppress for v9. + (return_adddi): Kill redundant test. Arg1 may be arith_operand. + (return_subsi): Revmove. + +Fri Jan 30 18:30:03 1998 John F Carr <jfc@mit.edu> + + * mips.c (save_restore_insns): Set RTX_UNCHANGING_P in register + save/restore MEM rtl. + +Fri Jan 30 09:08:16 1998 Jeffrey A Law (law@cygnus.com) + + * configure.in: Check for declaration of abort. + * acconfig.h: Corresponding changes. + * toplev.c: Use NEED_DECLARATION_ABORT to determine if abort should + be declared. + +Thu Jan 29 20:26:12 1998 Jeffrey A Law (law@cygnus.com) + + * genattrtab.c (optimize): Define in case PRESERVE_DEATH_INFO_REGNO_P + uses it. + +Thu Jan 29 09:27:56 1998 Jeff Law (law@cygnus.com) + + * version.c: Bump for snapshot. + +Thu Jan 29 10:12:27 1998 Jeffrey A Law (law@cygnus.com) + + * configure.in: Check for atoq and atoll. + * rtl.c (read_rtx): Use HAVE_ATOLL and HAVE_ATOQ to select the + proper routine for converting ascii into long long values. + +Thu Jan 29 01:28:14 1998 Klaus Kaempf <kkaempf@progis.de> + + * cccp.c (SYS$SEARCH, SYS$PARSE): Write as upper-case. + + * vmsconfig.com: Remove bytecode references. + + * alpha/vms.h (PREFIX): Define. + + * alpha/vms.h (ASM_OUTPUT_ALIGNED_COMMON): Remove. + + * am-alpha.h: Don't include alloca for OPEN_VMS. + + * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Define. + + * alpha/xm-vms.h (INCLUDE_DEFAULTS): Define. + (GCC_INCLUDE_DIR): Define. + + * make-cc.com, make-cccp.com, make-cc1.com: Removed. + * makefile.vms: New file. + + * alpha/vms.h (CPP_PREDEFINES): Remove -Dalpha. + + * alpha.c (output_prolog): Output '.name' directive + for minimal traceback information. + + * alpha.c (output_prolog): Don't prepend entry point symbols + with '$' on OPEN_VMS. + +Thu Jan 29 00:25:35 1998 David S. Miller <davem@tanya.rutgers.edu> + Jeffrey A Law (law@cygnus.com) + + * rtl.c (read_rtx): Use atol/atoq based upon disposition of + HOST_WIDE_INT. + + * genattrtab.c (write_test_expr): Use HOST_WIDE_INT_PRINT_DEC + as needed. + * genemit.c (gen_exp): Likewise. + * genpeep.c (match_rtx): Likewise. + * genrecog.c (write_tree_1): Likewise. + + * c-lex.c (yyprint): Use proper format string based upon + disposition of HOST_BITS_PER_WIDE_INT. + (yylex): Put casts in right place for args to build_int_2. + +Thu Jan 29 00:24:29 1998 Jeffrey A Law (law@cygnus.com) + + * combine.c: Fix typos in Jan27 changes. + +Thu Jan 29 00:07:49 1998 Ollivier Robert <roberto@keltia.freenix.fr> + + * i386/freebsd.h (LIB_SPEC): Correctly handle -shared, -p and friends. + (LINK_SPEC): Likewise. + (STARTFILE_SPEC): Likewise. + +1998-01-28 Mike Stump <mrs@wrs.com> + + * rtlanal.c (dead_or_set_regno_p): Ignore REG_DEAD notes after + reload completes. + * genattrtab.c (reload_completed): Define. + + * m32r.md, mips.md, mn10200.md, mn10300.md, pyr.md: Remove obsolete + comments. + +Wed Jan 28 20:11:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the + SUBREG_REG if the word count is unchanged, also in the input reload + case. Disable non-applicable sanity checks. + +Wed Jan 28 20:08:26 1998 Jeffrey A Law (law@cygnus.com) + + * config/t-svr4 (TARGET_LIBGCC2_CFLAGS): Add -fPIC. + +Wed Jan 28 20:04:43 1998 Ian Lance Taylor <ian@cygnus.com> + + * i386/t-cygwin32 (LIMITS_H_TEST, LIBGCC2_INCLUDES): Define. + +Wed Jan 28 11:45:27 1998 Per Bothner <bothner@cygnus.com> + + * dbxout.c (dbxout_type): For a RECORD_TYPE, check that TYPE_BINFO + is a TREE_VEC before trying to use it for baseclasses. + (Chill uses the same field for a different purpose.) + + * toplev.c (strip_off_ending): Generalize to endings up to 5 chars. + +Tue Jan 27 23:15:55 1998 Lassi A. Tuura <lat@iki.fi> + + * config.sub: More accurate determination of HP processor types. + +Tue Jan 27 23:11:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * c-lex.c: Include <stdlib.h> and <string.h>/<strings.h>. Add + prototype for `handle_sysv_pragma', and make it static. Add + parentheses around assignment used as truth value. + + * combine.c (combine_instructions): Protect variable `prev' with + macro HAVE_cc0. + (can_combine_p): Protect variable `link' with AUTO_INC_DEC. + (extract_left_shift): Add parentheses around operand of &. + (merge_outer_ops): Avoid an empty body in an else-statement. + (gen_rtx_combine): Remove unused variable `i'. + + * sparc/gmon-sol2.c: Include <fcntl.h>. Make return type of + function monstartup `void'. Likewise for internal_mcount. Add + `static void' prototype for moncontrol. Reconcile sprintf format + vs. args. + + * sparc/sparc.c: Include <stdlib.h> and <string.h>/<strings.h>. + Make return type of function_arg_slotno explicitly `int'. + (reg_unused_after): Add parentheses around assignment used as + truth value. + (save_regs): Add explicit braces to avoid ambiguous `else'. + (function_arg_slotno): Add parentheses around && within ||. + (function_arg_pass_by_reference): Likewise. + (sparc_flat_output_function_prologue): Reconcile fprintf format + vs. args. + + * svr4.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around + assignment used as truth value. + + * cplus-dem.c: Include <stdlib.h>. + (demangle_signature): Avoid an empty body in an else-statement. + (do_type): Remove unused variable `lvl'. + + * cppexp.c: Don't have <stdlib.h> depend on MULTIBYTE_CHARS. + Include <string.h>/<strings.h>. + (cpp_lex): Remove unused variable `namelen'. + (cpp_lex): Explicitly declare `num_chars' as an int. + + * cpplib.c: Avoid duplicate inclusion of <stdlib.h>, include + <unistd.h> instead. Explicitly declare is_system_include + returning int. + (make_assertion): Remove unused variable `kt'. + (cpp_expand_to_buffer): Hide variable `obuf'. + (output_line_command): Remove unused variables, `line_end', + `line_cmd_buf' and `len'. + (macarg): Remove unused variable `arg_start'. + (special_symbol): Remove unused variable `i'. Add parentheses + around assignment used as truth value. + (do_include): Remove unused variables `pcfname' and `retried', + hide `pcf' and `pcfbuflimit'. + (do_line): Remove unused variable `i'. + (finclude): Hide variable `missing_newline'. + (cpp_handle_options): Remove unused variable `j'. + (read_token_list): Remove unused variable `eofp'. + (cpp_error_with_line): Remove unused variable `i'. + (cpp_warning_with_line): Likewise. + (cpp_pedwarn_with_line): Explicitly declare `column' as int. + (cpp_error_from_errno): Remove unused variable `i'. + + * cse.c (invalidate): Add parentheses around assignment used as + truth value. + (find_best_addr): Move declaration of variable `our_cost' inside + the conditional macro where its used. + (fold_rtx): Avoid an empty body in an if-statement. + (cse_insn): Wrap variables `this_insn_cc0_mode' and + `this_insn_cc0' in macro HAVE_cc0. + + * dwarf2out.c: Include <stdlib.h> and <string.h>/<string.h>. + (ASM_OUTPUT_DWARF_DATA8): Reconcile format vs. args in fprintf's. + (output_uleb128): Likewise. + (output_sleb128): Likewise. + (output_cfi): Likewise. + (output_call_frame_info): Remove unused variables `j', `fde_size' + and `fde_pad'. + (comp_unit_has_inlines): Hide declaration as per rest of file. + (size_of_line_prolog): Correct typo in prototype. + (add_arange): Likewise. + (output_aranges): Likewise. + (add_name_and_src_coords_attributes): Likewise. + (gen_array_type_die): Likewise. + (gen_inlined_subroutine_die): Likewise. + (equate_decl_number_to_die): Remove unused variable `i'. + (print_die): Reconcile format vs. args in fprintf's. + (print_dwarf_line_table): Likewise. + (output_die): Likewise. + (output_line_info): Likewise. + (add_subscript_info): Avoid an empty body in an else-statement. + (gen_subprogram_die): Remove unused variable `fp_loc'. + + * dwarfout.c: Explicitly declare `next_pubname_number' as int. + Protect `ordering_attribute' prototype with USE_ORDERING_ATTRIBUTE + macro. Protect `src_coords_attribute' prototype with + DWARF_DECL_COORDINATES macro. Hide `output_entry_point_die' + prototype as in the rest of the file. Likewise for + `output_pointer_type_die' and `output_reference_type_die'. Remove + prototype for `type_of_for_scope'. + (output_unsigned_leb128): Reconcile format vs. args in fprintf. + (type_attribute): Add explicit braces to avoid ambiguous `else'. + + * final.c: Include <stdlib.h> and <string.h>/<strings.h>. + (shorten_branches): Protect declaration of tmp_length with + SHORTEN_WITH_ADJUST_INSN_LENGTH and ADJUST_INSN_LENGTH macros. + (profile_function): Protect declaration of `sval' and `cxt' + variables with appropriate macros. + (final_scan_insn): Likewise for `note' variable. Add explicit + braces to avoid empty body in an if-statement. + (output_asm_insn): Move variable `i' inside macro conditional + where it is used. Add parentheses around assignment used as truth + value. + (asm_fprintf): Likewise, likewise. + + * fix-header.c (main): Remove unused variable `done'. Protect + declaration of `i' with FIXPROTO_IGNORE_LIST. + + * pexecute.c: Include <unistd.h>. Prototype `my_strerror'. + + * print-rtl.c (print_inline_rtx): Explicitly declare the parameter + `ind'. + + * profile.c: Include <string.h>/<strings.h>. + (instrument_arcs): Remove unused variables `note', `inverted', + `zero' and `neg_one'. + (branch_prob): Avoid empty body in an if-statement. + + * regclass.c: Include <stdlib.h>. + (reg_alternate_class): Explicitly declare parameter `regno'. + + * regmove.c (regmove_optimize): Remove unused variable `p'. Add + parentheses around assignment used as truth value. + (find_matches): Remove unused variables `output_operand' and + `matching_operand'. + (fixup_match_1): Remove statement with no effect: "if (0) ;". + + * scan.c (sstring_append): Explicitly declare `count' as int. + (scan_string): Explicitly declare parameter `init' as int. + + * sched.c: Include <stdlib.h>. + (BLOCKAGE_RANGE): Add parentheses around arithmetic in operand of |. + (rank_for_schedule): Add parentheses around assignment used as + truth value. + (schedule_block): Likewise. + (regno_use_in): Likewise. + (schedule_insns): Remove unused variable `i'. + + * toplev.c: Include <stdlib.h> and <string.h>/<strings.h>. + (v_message_with_decl): Remove unused variable `n'. + (botch): Explicitly declare parameter `s' as char *. + (main): Add parentheses around assignment used as truth value. + + * tree.c (make_node): Protect the variable `kind' with the + GATHER_STATISTICS macro. + (real_value_from_int_cst): Move variable `e' inside conditional + macro area where it is used. + (tree_last): Add parentheses around assignment used as truth value. + (build1): Protect the variable `kind' with the GATHER_STATISTICS + macro. + (print_obstack_statistics): Reconcile format vs. args in fprintf. + Protect variables `i', `total_nodes', and `total_bytes' with the + GATHER_STATISTICS macro. + +Tue Jan 27 23:01:55 1998 Mike Stump <mrs@wrs.com> + + * m32r.md, mips.md, mn10200.md, mn10300.md, pyr.md: Add + some comments regarding use of dead_or_set_p. + +Tue Jan 27 22:14:48 1998 Todd Vierling <tv@pobox.com> + + * fixincludes: Tweak fix for struct exception in math.h + +Tue Jan 27 17:21:09 1998 Gavin Koch (gavin@cygnus.com) + + * mips/mips.c (mips_expand_prologue,mips_expand_epilogue): + Change mode of registers used to add/sub from + hard_frame_pointer_rtx from word_mode to Pmode. + +Tue Jan 27 11:02:04 1998 Nick Clifton <nickc@cygnus.com> + + * v850.h (ASM_OUTPUT_ALIGNED_BSS): Use + asm_output_aligned_bss() instead of asm_output_bss(). + + * toplev.c (rest_of_compilation): Replace references to + stack_reg_dump_file and dbr_sched_dump_file with references to + rtl_dump_file. + +Tue Jan 27 10:22:13 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl> + + * tlink.c (scan_linker_output): Call fclose() for opened files. + +Tue Jan 27 05:05:26 1998 Richard Henderson <rth@cygnus.com> + + * alpha.c (output_epilog [!VMS]): Don't tag global functions if + compiling with -fpic -- we want to be able to override symbols + properly. + (alpha_expand_block_move): Fix thinko in last change. + + * alpha.h (ASM_OUTPUT_MI_THUNK): New define. + * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): New define. + * config/alpha/vms.h (ASM_OUTPUT_MI_THUNK): New undef. + +Tue Jan 27 03:21:23 1998 Richard Henderson <rth@cygnus.com> + + * alpha.md (abssf, absdf): Revert last change. + +Tue Jan 27 00:26:50 1998 John Carr <jfc@mit.edu> + + * dwarf2out.c (dwarf2out_frame_init): Test value of DWARF2_UNWIND_INFO. + * mips/sni-svr4.h: Define DWARF2_UNWIND_INFO as 0. + +Tue Jan 27 00:07:02 1998 Jeffrey A Law (law@cygnus.com) + + * emit-rtl.c (gen_lowpart_common): Handle more case where converting + a CONST_INT into SFmode. + +Tue Jan 20 16:01:03 1998 Anthony Green <green@cygnus.com> + + * flags.h: New flag (optimize_size). + * toplev.c (main): Parse -Os option and set optimize_space + accordingly. + * gcc.c (default_compilers), cp/lang-specs.h, f/lang-specs.h: Define + __OPTIMIZE_SIZE__ when compiling with -Os. + * config/dsp16xx/dsp16xx.h, config/i386/i386.h, + config/i386/dgux.h, config/i960/i960.h, config/pdp11/pdp11.h, + config/v850/v850.h (OPTIMIZATION_OPTIONS): New SIZE argument + to macro. + * config/i386/i386.c (optimization_options): Accept new SIZE argument. + +Mon Jan 26 23:57:39 1998 Manfred Hollstein <manfred@s-direktnet.de> + + * libgcc2.c (__clear_insn_cache): On sysV68 enable the memctl + stuff only if MCT_TEXT is #define'd. + +Mon Jan 26 23:52:51 1998 Markus F.X.J. Oberhumer <k3040e4@c210.edvz.uni-linz.ac.at> + + * configure.in (i*86-pc-msdosdjgpp): Treat like msdos & go32 + configurations. + +Fri Jan 23 09:39:36 1998 Nick Clifton <nickc@cygnus.com> + + * toplev.c: Add -dM command line option to dump RTL after the + machine dependent reorganization pass, if there is one. + Reorganize RTL dump code, so that only one file handle is + needed. + +Mon Jan 26 12:09:42 1998 Benjamin Kosnik <bkoz@rhino.cygnus.com> + + * except.c (check_exception_handler_labels): Disable warning when + flag_syntax_only. + +Mon Jan 26 18:17:32 1998 Jim Wilson <wilson@cygnus.com> + + * sparc.c (pic_setup_code): Don't set LABEL_PRESERVE_P. + +Mon Jan 26 18:11:30 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * c-decl.c (grokdeclarator): Get parameter tags from + last_function_parm_tags. + * dwarfout.c (output_formal_types): Set TREE_ASM_WRITTEN before + traversing the parameter types. + (output_type): No early exit for FUNCTION_TYPE / METHOD_TYPE context. + +Mon Jan 26 01:44:12 1998 Jeffrey A Law (law@cygnus.com) + + * h8300.c (print_operand): Handle CONST_DOUBLE for 'e', 'f', and + the default case. + (get_shift_alg): Fix typo. + +Sun Jan 25 22:22:04 1998 Richard Henderson <rth@cygnus.com> + + * alpha.c (alpha_expand_block_move): Copy ADDRESSOF to reg. + +Sun Jan 25 22:14:28 1998 Richard Henderson <rth@cygnus.com> + + * toplev.c (get_run_time): Make sure each case gets its variables. + +Sun Jan 25 22:10:21 1998 Richard Henderson <rth@cygnus.com> + + * configure.in (build_xm_file): Add auto-config.h if host=build. + (host_xm_file_list): Don't add $(srcdir) to auto-config.h. + (build_xm_file_list): Likewise. + * configure: Rebuild. + +Sun Jan 25 22:00:25 1998 Alasdair Baird <alasdair@wildcat.demon.co.uk> + + * recog.c (validate_replace_rtx_1): Only perform substitutions + of arguments to commutative and comparison operators once. + +Sun Jan 25 12:30:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * sparc.c (output_cbranch): Add default case in + enumeration switch. + + * reorg.c (insn_sets_resource_p): Correct typo in prototype. + (emit_delay_sequence): Eliminate unused parameter, all callers + changed. + (fill_simple_delay_slots): Likewise. + (fill_slots_from_thread): Likewise. + (fill_eager_delay_slots): Likewise. + (mark_referenced_resources): Add default case in enumeration switch. + (mark_set_resources): Likewise. + (rare_destination): Likewise. + (mostly_true_jump): Likewise. + (find_dead_or_set_registers): Likewise. + (redirect_with_delay_slots_safe_p): Remove unused variable `slots'. + (update_reg_unused_notes): Remove unused variable `p'. + (mark_target_live_regs): Remove unused variables `next' and + `jump_count'. + (fill_simple_delay_slots): Remove unused variable `j'. + (fill_slots_from_thread): Add parentheses around assignment used + as truth value. + (dbr_schedule): Likewise. + + * objc/Make-lang.in (objc.stage1): Depend on stage1-start. + (objc.stage2, objc.stage3, objc.stage4): Likewise. + +Sun Jan 25 12:13:47 1998 Michael Tiemann <michael@tiemann.org> + + * cse.c (simplify_ternary_operation): Don't try to simplify + IF_THEN_ELSE expressions (created by combine) that don't use + relational operators. + +Fri Jan 23 22:48:24 1998 Jeffrey A Law (law@cygnus.com) + + * cse.c (simplify_ternary_operation): Handle more IF_THEN_ELSE + simplifications. + + * crtstuff.c (init_dummy): Keep the epilogue in the init + section for non-ELF systems. + +Fri Jan 23 23:28:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + + * sh.md (movqi_i+1): New peephole. + +Fri Jan 23 15:39:42 1998 Jim Wilson <wilson@cygnus.com> + + * Makefile.in: Remove remaining bytecode stuff. + * emit-rtl.c, expr.c: Likewise. + +Fri Jan 23 12:41:10 1998 Nick Clifton (nickc@cygnus.com) + + * toplev.c (lang_options): Add unknown-pragma options. + +Thu Jan 22 23:43:38 1998 Per Bothner <bothner@cygnus.com> + + * dwarfout.c (byte_size_attribute): Simplify and fix - don't need + special (and incomplete) handling for Chill arrays. + +Fri Jan 23 00:27:23 1998 John Carr <jfc@mit.edu> + + * toplev.c (get_run_time): Call sysconf(_SC_CLK_TCK), when available, + to get clock rate. + +Fri Jan 23 00:19:36 1998 Gavin Koch (gavin@cygnus.com) + + * mips.md (muldi3_internal2): Reverse test for TARGET_MIPS16. + +1998-01-22 scott snyder <snyder@d0sgif.fnal.gov> + + * mips.c (function_prologue): Use HARD_FRAME_POINTER_REGNUM in + .frame directive instead of FRAME_POINTER_REGNUM. + +Fri Jan 23 00:08:55 1998 Robin Kirkham <rjk@mlb.dmt.csiro.au> + + * m68k.h (TARGET_SWITCHES): -mcpu32 now clears MASK_68881. + (MACHINE_STATE_m68010_up): Replaced __mc68332__ with __mcpu32__. + * m68k/m68k-none.h(CPP_FPU_SPEC): Update relative to TARGET_SWITCHES. + (CPP_SPEC, ASM_SPEC, CC1_SPEC): Likewise. + (CPP_SPEC): -m68332 defines both __mc68332 and __mcpu32__. + * m68k/t-m68kbare (MULTILIB_OPTIONS): Add mcpu32. + (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000. + (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000, + mcpu32 or m5200. + * longlong.h: Replace __mc68332__ with __mcpu32__. + +Thu Jan 22 19:55:40 1998 Jeff Law (law@cygnus.com) + + * version.c: Bump for snapshot. + +Thu Jan 22 14:47:31 1998 Jim Wilson <wilson@cygnus.com> + + * reload.c (push_reload): In WORD_REGISTER_OPERATIONS code, add test + to require the SUBREG mode to be smaller than the SUBREG_REG mode. + * reload1.c (eliminate_regs): Likewise. + +Thu Jan 22 14:49:14 1998 Jeffrey A Law (law@cygnus.com) + + * regmove.c (find_matches): Initialize matches->earlyclobber too. + +Thu Jan 22 01:40:52 1998 Richard Henderson <rth@cygnus.com> + + * alpha.md (abssf2, absdf2): Disable in IEEE mode. + (negsf2, negdf2): Use proper subtract in IEEE mode. + +Tue Jan 20 09:29:09 1998 Jeffrey A Law (law@cygnus.com) + + * Makefile.in: Remove more bytecode stuff. + * expr.c, stmt.c, config/msdos/top.sed: Likewise. + * vax/xm-vms.h, winnt/config-nt.sed: Likewise. + * f/install.texi, objc/Make-lang.in: Likewise. + + * Makefile.in: Remove all bytecode support. + (OBJS): Make sure last entry is a real object file, not EXTRA_OBJS. + * emit-rtl.c: Remove all bytecode support. + * expr.c, expr.h function.c, integrate.c: Likewise. + * output.h, regclass.c, rtl.h, stmt.c, toplev.c: Likewise. + * tree.h, varasm.c: Likewise. + * config/m68k/m68k.h: Likewise. + * bi-*, bc-*, bytecode*: Delete bytecode related files. + * modemap.def: Likewise. + +Tue Jan 20 09:02:31 1998 Gavin Koch (gavin@cygnus.com) + + * mips/mips.md (divsi3,divdi3,modsi3,moddi3,udivsi3,udivdi3, + umodsi3,umoddi3): Handle mips16 div/mod by a constant. + +Mon Jan 19 21:57:00 1998 Richard Henderson <rth@cygnus.com> + + * i386.md (push): Prohibit symbolic constants if flag_pic. + (movsi+1): Likewise for move to non-register. + +Mon Jan 19 11:15:38 1998 Jim Wilson <wilson@cygnus.com> + + * alpha.c (mode_mask_operand): Accept 0xffffffff on 32 bit host. + (print_operand): Handle 0xffffffff on 32 bit host. + + * configure.in (thread_file): Rename uses before main loop to + target_thread_file. Initialize to empty in main loop. Set thread_file + to target_thread_file after main loop if not set. + * configure: Rebuild. + + * genattrtab.c (find_and_mark_used_attributes): Handle CONST_INT. + (add_values_to_cover): Revert last change (which had no ChangeLog + entry). + (simplify_with_current_value_aux): Handle CONST_INT. + +Mon Jan 19 10:14:55 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> + + * unprotoize.c: Define UNPROTOIZE first, to actually take effect. + +Mon Jan 19 10:11:52 1998 Richard Henderson <rth@cygnus.com> + + * configure.in: Add cpp stringify test. + * acconfig.h (HAVE_CPP_STRINGIFY): New tag. + * gengenrtl.c: Use it. + * configure, config.in: Rebuild. + +Mon Jan 19 09:43:15 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> + + * Makefile.in (genrtl.c genrtl.h): Add dummy command for GNU make. + +Mon Jan 19 09:38:18 1998 Richard Henderson <rth@cygnus.com> + + * configure.in: Find declaration for sbrk. + * acconfig.h (NEED_DECLARATION_SBRK): New tag. + * config.in, configure: Rebuild. + * mips-tfile.c: Properly protect declaration of sbrk and free. + * toplev.c: Properly protect declaration of sbrk. + +Sun Jan 18 20:18:01 1998 Richard Henderson <rth@cygnus.com> + + * alpha.c (alpha_handle_trap_shadows): Ignore CLOBBERs. + +Sun Jan 18 01:54:27 1998 Jeffrey A Law (law@cygnus.com) + + * alpha/xm-winnt.h (HAS_INIT_SECTION): Undefine. + +Sun Jan 18 00:57:35 1998 Mike Stump <mrs@wrs.com> + + * configure.in (i960-wrs-vxworks): Default to latest vxworks release. + +Sat Jan 17 23:41:36 1998 David S. Miller <davem@tanya.rutgers.edu> + + * combine.c (force_to_mode, nonzero_bits): Correctly optimize + constant offset computations from objects with known alignment in + the presence of STACK_BIAS. + + * varasm.c (immed_double_const): Add casts to HOST_WIDE_INT where + necessary. + (const_hash): Hash val is unsigned long. + (SYMHASH): Likewise. + + * tree.c (TYPE_HASH): Type of hash val is unsigned long. + + * print-tree.c (print_node_brief): HOST_PTR_PRINTF format wants a + char pointer, not HOST_WIDE_INT. + (print_node): Likewise. Also hash is unsigned long not + HOST_WIDE_INT. + + * cse.c (canon_hash): Hash is unsigned long not HOST_WIDE_INT. + + * explow.c (optimize_save_area_alloca): New function for targets + where SETJMP_VIA_SAVE_AREA is true. + (allocate_dynamic_stack_space): On SETJMP_VIA_SAVE_AREA targets, + compute the amount of stack space needed should we find later that + setjmp is never called by this function, stuff rtl for this inside + a REG_NOTE of the final SET of stack_pointer_rtx. + * toplev.c (rest_of_compilation): If SETJMP_VIA_SAVE_AREA and + current_function_calls_alloca, call optimize_save_area_alloca. + +Sat Jan 17 23:22:59 1998 John Wehle (john@feith.com) + + * i386.md: Remove redundant integer push patterns. + Don't bother checking for TARGET_PUSH_MEMORY when + pushing constants or registers. + +Sat Jan 17 22:35:39 1998 Mumit Khan <khan@xraylith.wisc.edu> + J.J VanderHeijden <J.J.vanderHeijden@student.utwente.nl> + + * pexecute.c (pexecute): New function for mingw32. Supports pipes. + (pwait): New function for mingw32. + + * gcc.c (execute): Mingw32 pexecute() supports pipes, but cygwin32 + pipe support is broken for now. + +1998-01-17 Lee Iverson <leei@Canada.AI.SRI.COM> + + * emit_rtl.c (init_emit_once): Ensure that potential aliasing + between frame_pointer_rtx, hard_frame_pointer_rtx, and + arg_pointer_rtx is respected in initialization. + (init_emit_once): Use gen_rtx_raw_REG() to create + return_address_pointer_rtx. + + * reorg.c: #include "expr.h" for rtx prototypes. + * Makefile.in (reorg.o): Depend on expr.h + +Sat Jan 17 21:28:08 1998 Pieter Nagel <pnagel@epiuse.co.za> + + * Makefile.in (FLAGS_TO_PASS): Pass down gcc_include_dir and + local_prefix to sub-make invocations. + +Sat Jan 17 21:24:16 1998 David T. McWherter <dtm@waterw.com> + + * objc-parse.c: Recognize protocol qualifiers in class definitions. + +Sat Jan 17 21:16:19 1998 Jeffrey A Law (law@cygnus.com) + + * rtl.h: Fix typos. + + * acconfig.h (NEED_DECLARATION_ATOL): New declaration to check for. + * configure.in: Check for atol. + * rtl.c (atol): Only provide the declaration if NEED_DECLARATION_ATOL. + + * rtl.c (read_rtx): Initialize list_rtx to NULL, not NULL_RTX. + + * loop.c (find_and_verify_loops): When attempting to move insns from + inside the loop outside the loop, create a BARRIER if no suitable + one was found. + + * jump.c (jump_optimize): Remove Dec 17, 1997 chance in + favor of an equivalent change from gcc-2.8. + + * i386/x-sco5 (CC): Remove trailing whitespace. + +Sat Jan 17 21:09:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * gengenrtl.c (type_from_format): De-ANSIfy function signature. + (accessor_from_format): Likewise. + (xmalloc): New function for use when linking with alloca.o. + +Mon Jan 5 02:53:01 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de> + + * frame.c (find_fde): Correct FDE's upper bound. + +Fri Jan 16 16:23:52 1998 Richard Henderson <rth@cygnus.com> + + * gengenrtl.c (DEF_RTL_EXPR): Provide a K&R compliant version. + +Fri Jan 16 10:16:10 1998 Jeffrey A Law (law@cygnus.com) + + * calls.c (expand_call): Move #ifdef code out of macro argument + lists. + (emit_library_call, emit_library_call_value): Likewise. + +Fri Jan 16 00:46:40 1998 Jeffrey A Law (law@cygnus.com) + + * rtl.def (INLINE_HEADER): Fix bug exposed by gen_rtx_FOO changes. + +Thu Jan 15 01:02:30 1998 Jeffrey A Law (law@cygnus.com) + + * version.c: Bump for snapshot. + +Wed Jan 14 22:49:17 1998 Richard Henderson <rth@cygnus.com> + + * alias.c: Change all uses of gen_rtx(FOO...) to gen_rtx_FOO; + change gen_rtx(expr...) to gen_rtx_fmt_foo(expr...). + * caller-save.c, calls.c, combine.c, cse.c: Likewise. + * dwarf2out.c, except.c, explow.c, expmed.c, expr.c: Likewise. + * final.c, flow.c, function.c, genpeep.c, haifa-sched.c: Likewise. + * halfpic.c, integrate.c, jump.c, local-alloc.c, loop.c: Likewise. + * profile.c, recog.c, reg-stack.c, regclass.c, regmove.c: Likewise. + * reload.c, reload1.c, reorg.c, sched.c, stmt.c, stupid.c: Likewise. + * unroll.c, varasm.c: Likewise. + * config/alpha/alpha.c, config/alpha/alpha.md: Likewise. + +Wed Jan 14 19:36:08 1998 Gavin Koch (gavin@cygnus.com) + + * mips.h: Fix some type-o's from a previous change. + +Wed Jan 14 01:26:05 1998 Jeffrey A Law (law@cygnus.com) + + * loop.c (check_dbra_loop): Make sure initial value is a + CONST_INT before trying to normalize it. + +Tue Jan 13 23:27:54 1998 Robert Lipe (robertl@dgii.com) + + * sco5.h (ASM_OUTPUT_SECTION_NAME): Refresh from ../svr4.h. + +Tue Jan 13 22:47:02 1998 Herman ten Brugge <herman@htbrug.net.HCC.nl> + + * cppexp.c: Include gansidecl.h + +Tue Jan 13 22:43:35 1998 Ian Lance Taylor <ian@cygnus.com> + + * svr4.h (LINK_SPEC): Never specify -h. + * ptx4.h (LINK_SPEC): Likewise. + * rs6000/sysv4.h (LINK_SPEC): Likewise. + * sparc/sol2.h (LINK_SPEC): Likewise. + +Tue Jan 13 22:39:40 1998 Richard Henderson (rth@cygnus.com) + + * c-typeck.c (comptypes): Exit early on NULL input. + + * haifa-sched.c (schedule_insns): Correctly remove inter-block + dependencies after reload. + +Tue Jan 13 22:22:31 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com> + + * rs6000/linux.h (CPP_PREDEFINES): Add -D__ELF__. + +Tue Jan 13 22:14:57 1998 Klaus Kaempf <kkaempf@progis.de> + + * alpha/vms.h (DIR_SEPARATOR): Define. + +Tue Jan 13 22:13:04 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de> + + * Makefile.in (stamp-proto): Remove. + (protoize.o, unprotoize.o): Straightforward compile. + * unprotoize.c: Define UNPROTOIZE here, not in the Makefile. + +Tue Jan 13 21:59:39 1998 Mumit Khan <khan@xraylith.wisc.edu> + + * i386/cygwin32.h (STRIP_NAME_ENCODING): Define for Win32 to strip + off the trailing @[NUM] added by ENCODE_SECTION_INFO. + +Tue Jan 13 21:55:06 1998 Jeffrey A Law (law@cygnus.com) + + * arm/netbsd.h (DWARF2_UNWIND_INFO): Define as zero for now. + * i386/netbsd.h, m68k/netbsd.h, ns32k/netbsd.h: Likewise. + * sparc/netbsd.h, vax/netbsd.h: Likewise. + +Tue Jan 13 21:37:07 1998 Shigeya Suzuki <shigeya@foretune.co.jp> + + * i386/bsd386.h (DWARF2_UNWIND_INFO): Define as zero for now. + +Tue Jan 13 17:50:55 1998 Jim Wilson <wilson@cygnus.com> + + * configure.in (target_cpu_default, target_cpu_default2): Use double + quotes around them when testing their value. + * configure: Rebuilt. + +Tue Jan 13 09:07:44 1998 John Carr <jfc@mit.edu> + + * gengenrtl.c (gencode): Emit new function obstack_alloc_rtx + to allocate rtx. + (gendef): Call obstack_alloc_rtx. + +Tue Jan 13 01:16:36 1998 Robert Lipe (robertl@dgii.com) + + * configure.in (i[3456]86-UnixWare7-sysv5): Treat much like SVR4 + for now. + +Thu Dec 18 18:40:17 1997 Mumit Khan <khan@xraylith.wisc.edu> + + * i386/mingw32.h (INCOMING_RETURN_ADDR_RTX): Delete. Use the value + of DWARF2_UNWIND_INFO, if any, from i386/cygwin32.h instead. + (STANDARD_INCLUDE_DIR): Change to /usr/local/i386-mingw32/include. + +Tue Jan 13 00:44:02 1998 Jim Wilson <wilson@cygnus.com> + + * mips.md (return_internal): Change mode from SImode to VOIDmode. + +Sat Jan 10 22:11:39 1998 J. Kean Johnston <jkj@sco.com> + + * i386/sco5.h (STARTFILE_SPEC, ENDFILE_SPEC): Correctly handle + "-static". + +Sat Jan 10 22:04:15 1998 Stan Cox <scox@equinox.cygnus.com> + + * i386.md (movsicc_1, movhicc_1): For alternate 3 set the opcode + suffix from operand 3. + +Sat Jan 10 21:50:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk> + Jeffrey A Law (law@cygnus.com) + + * regmove.c: New implementation of regmove pass. + * local-alloc.c (optimize_reg_copy_1, optimize_reg_copy_2): Remove + decls, make them have external linkage. Return a value from + optimize_reg_copy_1. + * reload.h (count_occurrences): Add decl. + * reload1.c (count_occurrences): Delete decl, make it have external + linkage. + * rtl.h (optimize_reg_copy_1, optimize_reg_copy_2): Declare. + +Sat Jan 10 20:30:12 1998 Jeffrey A Law (law@cygnus.com) + + * regclass.c (record_address_regs): Don't use REG_OK_FOR_BASE_P + if it is not defined. + +Thu Jan 8 21:06:54 1998 Richard Henderson <rth@cygnus.com> + + * Makefile.in (OBJ, GEN, RTL_H): Add genrtl.[oh] bits. + * emit-rtl.c (gen_rtx): Move special code to ... + (gen_rtx_CONST_INT): New function. + (gen_rtx_REG): New function. + (*): Update all calls to gen_rtx. + * genemit.c (gen_exp): Emit calls to gen_rtx_FOO for constant FOO. + * rtl.h: Include genrtl.h; prototype CONST_INT & REG generators. + (GEN_INT): Call gen_rtx_CONST_INT. + * gengenrtl.c: New file. + +Mon Jan 5 13:00:18 1998 John F. Carr <jfc@mit.edu> + + * alias.c (*_dependence): Call base_alias_check before canon_rtx. + (base_alias_check): If no base found for address call canon_rtx and + try again. + +Mon Jan 5 11:39:49 1998 Jeffrey A Law (law@cygnus.com) + + * mips.c (mips_expand_prologue): Handle large frame with no outgoing + arguments for mips16. + (mips_expand_epilogue): Pass "orig_tsize" to save_restore_insns. + Don't lose if tsize is zero after handling large stack for mips16. + * mips.md (return): For trivial return, return address is in $31. + +Sun Jan 4 20:24:00 1998 Nigel Stephens <nigel@algor.co.uk> + + * mips/mips16.S: Various changes to make it work with -msingle-float + and -EL. + +Sun Jan 4 14:25:18 1998 Gavin Koch <gavin@cygnus.com> + Ian Lance Taylor <ian@cygnus.com> + Jeff Law <law@cygnus.com> + + * mips.c, mips.h, mips.md: First cut at merging in mips16 + support. Major modifications throughout all three files. + +Sun Jan 4 01:01:50 1998 scott snyder <snyder@d0sgif.fnal.gov> + + * configure.in: Make gthr-default.h a forwarding header instead of + a symlink. + +Sat Jan 3 12:08:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu> + + * gcov-io.h: Include sys/types.h to ensure we get size_t. + + * pa.h (ASM_OUTPUT_MI_THUNK): Add missing % in fprintf. + +Fri Jan 2 23:40:09 1998 Jim Wilson (wilson@cygnus.com) + Jeffrey A Law (law@cygnus.com) + + * crtstuff.c (__frame_dummy): New function for irix6. + (__do_global_ctors): Call __frame_dummy for irix6. + * iris6.h (LINK_SPEC): Hide __frame_dummy too. + +Fri Jan 2 04:57:57 1998 Weiwen Liu <liu@hepmail.physics.yale.edu> + + * alpha.c (vms_valid_decl_attribute_p): Move within #if OPEN_VMS. + +Fri Jan 2 04:34:14 1998 Richard Henderson <rth@cygnus.com> + + * c-decl.c (init_decl_processing): Provide proper fallback symbol + for __builtin_memset. + * expr.c (expand_builtin) [MEMSET]: Arg 3 type code is INTEGER_TYPE + not INTEGER_CST. Assert arg 3 is a constant. + + * alpha.c (mode_width_operand): Accept 64-bit modes. + (mode_mask_operand): Likewise. + (print_operand): Likewise for 'M' and 'U' codes. + (alpha_expand_unaligned_load): New function. + (alpha_expand_unaligned_store): Likewise. + (alpha_expand_unaligned_load_words): Likewise. + (alpha_expand_unaligned_store_words): Likewise. + (alpha_expand_block_move): Likewise. + (alpha_expand_block_clear): Likewise. + * alpha.h (MOVE_RATIO): New define. + * alpha.md (extxl, ext*h, ins*l, mskxl): Name them. + (insql, insxh, mskxh, extv, extzv, insv, movstrqi, clrstrqi): New. + + * alpha.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE): Set to 3. + (CONSTANT_ALIGNMENT, DATA_ALIGNMENT): Disable. + +Thu Jan 1 15:40:15 1998 Richard Henderson <rth@cygnus.com> + + * configure.in: Put parenthesis around TARGET_CPU_DEFAULT's value. + * configure: Update. + +Thu Jan 1 10:49:12 1998 Jeffrey A Law (law@cygnus.com) + + * emit-rtl.c (operand_subword): Correctly handle extracting a word + from a CONST_DOUBLE for 16bit targets with !WORDS_BIG_ENDIAN. + + * mn10200.md (tstxx, cmpxx): Use "nonimmediate_operand" as predicate + for first argument. + + +Copyright (C) 1998 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. |