1 2000-08-09 Alexandre Oliva <aoliva@redhat.com>
3 * caller-save.c (mark_referenced_regs): Mark partially-overwritten
6 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
8 * c-common.c (combine_strings, check_format_info): Refer to ISO C
9 or ISO C89 instead of ANSI C.
10 * c-decl.c (grokdeclarator, xref_tag, finish_struct,
11 build_enumerator, do_case): Likewise.
12 * c-lex.c (parse_float, yylex): Likewise.
13 * c-parse.in: Likewise.
14 * c-typeck.c (common_type, build_array_ref, build_binary_op,
15 build_unary_op, pedantic_lvalue_warning, build_conditional_expr,
16 build_c_cast, convert_for_assignment, set_init_index,
17 set_init_label, c_expand_start_case): Likewise.
18 * toplev.c (documented_lang_options, display_help): Likewise.
20 2000-08-08 Kazu Hirata <kazu@hxi.com>
22 * h8300.c: Fix formatting.
25 (movsi_h8300hs): Fix formatting of the resulting assembly code.
27 * reload1.c: Fix formatting.
29 2000-08-08 Rodney Brown <RodneyBrown@mynd.com>
31 * alpha/alpha.c (alpha_emit_xfloating_libcall):
32 Use GEN_CALL_VALUE define.
33 * alpha/alpha.md (untyped_call): Use GEN_CALL define.
34 * clipper/clipper.md (untyped_call): Likewise.
35 * dsp16xx/dsp16xx.md (untyped_call): Likewise.
36 * fx80/fx80.md (untyped_call): Likewise.
37 * mips/mips.md (untyped_call): Likewise.
38 * ns32k/ns32k.md (untyped_call): Likewise.
39 * pa/pa.md (untyped_call): Likewise.
40 * romp/romp.md (untyped_call): Likewise.
41 * sparc/sparc.md (untyped_call): Likewise.
43 2000-08-08 Jason Eckhardt <jle@cygnus.com>
45 * config/i860/i860.c (singlemove_string): Do not generate assembler
46 pseudo instructions that must be expanded (that is, with signed
47 constants larger than 16 bits).
49 2000-08-08 Richard Henderson <rth@cygnus.com>
51 * flow.c (life_analysis): Only turn off PROP_LOG_LINKS and
52 PROP_AUTOINC at -O0. Don't collect alias info at -O0.
53 (init_propagate_block_info): Don't kill memory stores at -O0.
54 (mark_set_1, mark_used_regs): Likewise.
56 2000-08-08 David Edelsohn <edelsohn@gnu.org>
58 * rs6000.c (optimization_options): Decorate 'level' as
60 (mask64_operand): Remove sign-extend thinko.
61 (rldic_operand): New function.
62 (load_multiple_operation): regno's are unsigned ints.
63 (store_multiple_operation): Likewise.
64 (lmw_operation): Likewise.
65 (stmw_operation): Likewise.
66 (includes_lshift_p): shift_mask is unsigned int.
67 (includes_lshift64_p): New function.
68 (addrs_ok_for_quad_peep): unsigned int reg1.
69 (print_operand): Consistently add "else" after
70 output_operand_lossage().
71 (print_operand, case 'b'): Fold in case 'W'.
72 (print_operand, case 'W'): Print rldic MB value.
73 (output_epilogue): Update Objective-C language string.
74 (output_toc): unsigned HOST_WIDE_INT low, compare unsigned.
75 * rs6000.h (PREDICATE_CODES): Add rldic_operand.
76 * rs6000.md (ashldi3): Add rldic instruction.
77 (iordi3, xordi3): Remove redundant "else if CONST_DOUBLE".
78 (cmpsi_internal2, cmpdi_interal2): Use 'b' output template
81 2000-08-08 Richard Henderson <rth@cygnus.com>
83 * config/ia64/ia64-protos.h: Remove duplicates. Update
84 for massive code rearrangements.
85 * config/ia64/ia64.c (ia64_arpfs_regno): Remove.
86 (ia64_rp_regno, ia64_fp_regno, ia64_input_regs): Remove.
87 (ia64_local_regs, ia64_need_regstk): Remove.
88 (ar_ccv_reg_operand): New.
89 (ia64_gp_save_reg): New.
90 (struct ia64_frame_info): Combine most of the size elements;
91 add new gr save elements.
93 (next_scratch_gr_reg): New.
94 (mark_reg_gr_used_mask): New.
95 (ia64_compute_frame_size): Rewrite. Allocate special AR regs
96 to GR backing store regs when possible.
97 (ia64_initial_elimination_offset): New.
98 (ia64_rap_fp_offset): Remove.
99 (save_restore_insns): Remove.
100 (setup_spill_pointers): New.
101 (finish_spill_pointers): New.
102 (spill_restore_mem): New.
103 (do_spill, do_restore): New.
104 (ia64_expand_prologue): Rewrite to use them.
105 (ia64_expand_epilogue): Likewise.
106 (ia64_direct_return): Update for current_frame_info changes.
107 (ia64_function_prologue): Simplify .prologue emission. Emit
109 (ia64_setup_incoming_varargs): Don't ever emit rtl.
110 (ia64_dbx_register_number): New.
111 (ia64_initialize_trampoline): New.
112 (ia64_secondary_reload_class): Request GR_REGS for integer
113 arithmetic destined for FR_REGS.
114 (ia64_init_machine_status): Don't reset return_address_pointer_rtx.
115 (ia64_mark_machine_status): Mark ia64_gp_save.
116 (rws_access_regno): Rename from rws_access_reg; don't treat
117 predicates specially.
118 (rws_access_reg): New. Update all callers.
119 (rtx_needs_barrier): Remove dead unspecs.
120 (ia64_epilogue_uses): Mark ar.pfs and ar.unat live on exit.
121 (ia64_encode_section_info): Silence signed/unsigned warnings.
122 (spill_offset, sp_offset, spill_offset_emitted): Remove.
123 (tmp_reg, tmp_saved): Remove.
124 (process_set): Rewrite to expect complicated bits via
125 REG_FRAME_RELATED_EXPR.
126 (ia64_expand_fetch_and_op): Use emit_move_insn; be explicit
127 in the use of ar.ccv; never set RTX_UNCHANGING_P.
128 (ia64_expand_op_and_fetch): Likewise.
129 (ia64_expand_compare_and_swap): Likewise.
130 (ia64_expand_builtin): Likewise.
131 * config/ia64/ia64.h (AR_UNAT_REGNUM): New.
132 (FIRST_PSEUDO_REGISTER): Update.
133 (AR_M_REGNO_P): Update.
134 (FIXED_REGS): Don't mark three local registers as used.
135 (EXTRA_CC_MODES): New.
136 (SELECT_CC_MODE): New.
137 (HARD_REGNO_NREGS): Allow DImode in p0; handle CCImode.
138 (HARD_REGNO_MODE_OK): Disallow CCImode from non-predicates.
139 (FRAME_GROWS_DOWNWARD): Unset.
140 (STARTING_FRAME_OFFSET): Zero.
141 (ELIMINABLE_REGS): Eliminate from the soft to hard frame pointer.
142 (INITIAL_ELIMINATION_OFFSET): Defer to out of line function.
143 (HARD_FRAME_POINTER_REGNUM): New.
144 (CAN_DEBUG_WITHOUT_FP): Define.
145 (TRAMPOLINE_TEMPLATE): Remove.
146 (TRAMPOLINE_SIZE): Lower to 32.
147 (TRAMPOLINE_ALIGNMENT): Lower to 64.
148 (INITIALIZE_TRAMPOLINE): Defer to out of line function.
149 (PREDICATE_CODES): Update.
150 (struct machine_function): Add ia64_gp_save.
151 * config/ia64/ia64.md: Purge unused unspecs.
152 (movsi patterns): Allow moves to/from AR_M_REGS.
153 (movdi patterns): Allow moves to/from p0.
154 (call patterns): Move most setjmp hackery to ia64_gp_save_reg.
155 (gr_spill, gr_restore): Indicate ar.unat read/written.
156 (nonlocal_goto): Don't pass old frame_pointer.
157 (nonlocal_goto_receiver): Remove.
158 (exception_receiver): New.
159 (builtin_setjmp_setup): New.
160 (builtin_setjmp_receiver): New.
161 * config/ia64/lib1funcs.asm (__ia64_save_stack_nonlocal): Bundle.
162 (__ia64_nonlocal_goto): Bundle. Don't kill r7.
163 (__ia64_restore_stack_nonlocal): Likewise.
164 (__ia64_trampoline): New.
165 * config/ia64/sysv4.h (DBX_REGISTER_NUMBER): Defer to out of line
167 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __trampoline.
169 2000-08-08 Richard Henderson <rth@cygnus.com>
171 * frame.h (ia64_frame_state): Add my_psp.
172 * libgcc2.c (ia64_throw_helper): Add throw_sp argument.
173 (__throw): Pass it in. Don't clobber r7.
174 * config/ia64/frame-ia64.c (init_ia64_reg_loc): Mark inline.
175 (execute_one_ia64_descriptor) [mem_stack_v]: Sets psp.when
176 and nothing to do with sp.
177 (normalize_reg_loc): Use frame->my_psp.
178 (frame_translate): Handle frame-pointer-less functions. Set
179 spill_base correctly, in absence of being told.
180 (__build_ia64_frame_state): New sp argument. Fill in frame->my_sp.
181 (__ia64_backtrace_helper): New sp argument. Use
182 builtin_return_address instead of label addresses.
183 (print_record) [mem_stack_v]: No size member.
185 2000-08-08 Richard Henderson <rth@cygnus.com>
187 * regclass.c (choose_hard_reg_mode): Iterate over all CC modes.
189 2000-08-08 Richard Henderson <rth@cygnus.com>
191 * tm.texi (LOCAL_REGNO): Document.
192 * flow.c (LOCAL_REGNO, EPILOGUE_USES): Provide default.
193 (mark_regs_live_at_end): Don't mark LOCAL_REGNO registers.
194 * reload1.c (reload): Likewise when considering nonlocal labels.
196 * config/ia64/ia64.h (LOCAL_REGNO): New.
197 * config/sparc/sparc.h (LOCAL_REGNO): New.
199 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
201 * c-lex.c (yylex): Don't allow integer suffixes 'LUL', 'Ll', 'lL'.
203 2000-08-07 Nick Clifton <nickc@redhat.com>
205 * config/mips/mips.c: Fix compile time warning messages.
206 * config/mips/mips-protos.h: Add prototype for equality_op.
208 * mn10300.h (TARGET_SWITCHES): Document `-mam33'.
210 2000-08-07 Graham Stott <grahams@cygnus.co.uk>
212 * mn10300.md: Use nonimmediate_operand instead of general_operand
215 * mn10300.h (PREFERRED_RELOAD_CLASS): Limit memory reloads.
217 2000-08-07 Alexandre Oliva <aoliva@redhat.com>
219 * sh.h (EXTRA_CONSTRAINT_Q): Adjust to GNU Coding Standards.
220 * sh.c (expand_block_move): Break long lines.
221 (expand_ashiftrt, fpscr_set_from_mem): Likewise.
222 * sh.md (mulsi3): Likewise.
223 (movdi): Adjust spacing.
225 2000-08-07 Richard Henderson <rth@cygnus.com>
227 * expmed.c (store_bit_field): Don't require MEM_IN_STRUCT_P.
228 * expr.c (emit_group_store): Don't set it.
230 2000-08-07 Kazu Hirata <kazu@hxi.com>
232 * invoke.texi (Options for Debugging Your Program or GCC): Remove
233 duplicate entries for 'w' and 'z'.
235 * flow.c: Fix a comment typo.
237 Sun Aug 6 23:47:35 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
239 * c-parse.in: Changed the language string for Objective-C to "GNU
242 Sun Aug 6 11:54:03 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
244 * gthr-posix.h: Integrated Chris Ball's <cball@fmco.com> changes
245 to improve the Posix thread support for Objective-C.
247 2000-08-06 Joseph S. Myers <jsm28@cam.ac.uk>
249 * c-common.h (enum c_tree_index): Add CTI_SIGNED_SIZE_TYPE and
250 CTI_UNSIGNED_PTRDIFF_TYPE.
251 (signed_size_type_node): Define.
252 (unsigned_ptrdiff_type_node): Define.
253 * c-decl.c (init_decl_processing): Create the
254 signed_size_type_node and unsigned_ptrdiff_type_node types.
255 * c-common.c (T_SC): Define.
258 (print_char_table): Use T_SST for %zd, %zi, %zn. Use T_UPD for
259 %to, %tu, %tx, %tX. Allow %hhn (T_SC). Add "c" to the flags for
261 (scan_char_table): Use T_SC for %hhd, %hhi, %hhn. Use T_SST for
262 %zd, %zi, %zn. Use T_UPD for %to, %tu, %tx, %tX. Add "c" to the
263 flags for %c, %s and %[.
264 (check_format_info): Only allow leniency for signedness of targets
265 of character pointers (when pedantic) for formats flagged with
266 "c", so for strings but not for %hh formats. When pedantic, don't
267 allow character pointers to substitute for void pointers if a
268 second level of indirection is present.
270 2000-08-06 Kazu Hirata <kazu@hxi.com>
272 * invoke.texi (Options for Debugging Your Program or GCC): Update
273 the names of dump files.
275 * h8300.c (dosize): Rearrange code for conciseness.
276 (split_adds_subs): Likewise.
278 * loop.c: Fix formatting.
280 * dwarf2out.c: Fix formatting.
282 * tm.texi (FUNCTION_ARG_PARTIAL_NREGS): Fix a typo.
284 * expr.c: Fix formatting.
286 2000-08-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
288 * rs6000.c (rs6000_maybe_dead): Prototype.
290 2000-08-06 Richard Henderson <rth@cygnus.com>
292 * stmt.c (expand_goto): Do virtual_stack_vars_rtx replacement for
293 HAVE_nonlocal_goto as well.
294 * config/i960/i960.md (nonlocal_goto): Don't do it here.
295 * config/pj/pj.md (nonlocal_goto): Likewise.
297 2000-08-07 Michael Hayes <mhayes@cygnus.com>
299 * loop.c (try_swap_copy_prop): New function.
300 (load_mems): Rename copies to load_copies and add new regset
301 store_copies. Check for sets of shadow registers and mark
302 in store_copies. Call try_swap_copy_prop for registers
303 marked in store_copies.
305 Sun Aug 6 00:54:42 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
307 * objc/objc-act.c: New command line option -fconstant-string-class
308 to allow specifying a user defined constant string class,
309 different from NXConstantString.
311 * toplev.c: Moved the Objective-C specific options to
314 * objc/lang-options.h: Moved the Objective-C specific options from
315 toplev.c. Added -fconstant-string-class.
317 2000-08-05 Chris Demetriou <cgd@sibyte.com>
319 * mips/elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
320 DTOR_LIST_BEGIN, DTOR_LIST_END): change type of
321 __CTOR_LIST__ from func_ptr array to just func_ptr, to
322 avoid extra alignment imposed on arrays.
323 * mips/elf64.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
324 DTOR_LIST_BEGIN, DTOR_LIST_END): Likewise.
326 * mips.h: Clean up comments and spacing near MASKs.
327 (TARGET_UNIX_ASM): Delete.
328 (MASK_MIPS16, MASK_NO_CHECK_ZERO_DIV, MASK_CHECK_RANGE_DIV,
329 MASK_UNINIT_CONST_IN_RODATA): Change values to make mask
332 2000-08-05 Joseph S. Myers <jsm28@cam.ac.uk>
334 * c-common.c (print_char_table): Add entries for the X/Open '
335 format flag (print decimals with locale's thousands grouping
336 character). Make %C expect wint_t.
337 (check_format_info): If pedantic, warn when the %n$ operand
338 number form is used. Allow for the ' flag; warn about it if
341 2000-08-05 Zack Weinberg <zack@wolery.cumb.org>
343 * i386.h (FUNCTION_OK_FOR_SIBCALL): Not OK if DECL's return
344 type is a float mode, cfun->decl's return type is not, and
345 TARGET_FLOAT_RETURNS_IN_80387.
347 2000-08-04 Andreas Schwab <schwab@suse.de>
349 * cppmain.c (cb_def_pragma): Skip the first two tokens from the
350 token list, which are always `#' and `pragma'.
352 2000-08-04 Zack Weinberg <zack@wolery.cumb.org>
354 * tree.c (tree_expr_nonnegative_p): Move to...
355 * fold-const.c: ... here. Also handle BIND_EXPR and RTL_EXPR.
356 (rtl_expr_nonnegative_p): New.
357 * tree.h: Add prototype for rtl_expr_nonnegative_p.
359 * real.h (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH, CONST_DOUBLE_MEM,
360 CONST_DOUBLE_CHAIN: Move to...
361 * rtl.h: ...here. Use XCINT/XCEXP.
363 * Makefile.in: Remove toplev.o from OBJS. Add rule to make
364 libbackend.a; add libbackend.a to STAGESTUFF. Add BACKEND
365 variable. Use BACKEND when linking cc1, not OBJS. Add BACKEND
368 * objc/Make-lang.in (cc1obj): Link with $(BACKEND).
370 2000-08-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
372 * config/c4x/c4x.md (return_indirect_internal): New.
373 * config/c4x/c4x.c (c4x_expand_epilogue): Use it.
375 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
377 * c-common.c (time_char_table): Mark up formats added in C99 and
378 make other corrections. %D and %g were added in C99. %Og is an
379 extension. %EX is permitted. %R, %T, %n, %r, %t were added in
380 C99. %e was added in C99. %Oj is an extension. %G and %z are in
381 C99 rather than GNU extensions, but %OG and %Oz are extensions.
382 %h was added in C99. %C was added in C99. %OY and %OC are
383 extensions. Add the C99 format %F.
384 (check_format_info): If pedantic and not in C99 mode, warn for C99
387 Fri Aug 4 23:01:58 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
389 * function.c (schedule_fixup_var_refs): New function, broken out
390 of put_reg_into_stack.
391 (put_reg_into_stack): Use it.
392 (put_var_into_stack): In CONCAT case, fixup up references for
393 components only after fixing up references to the whole concat.
395 2000-08-04 Rodney Brown <RodneyBrown@pmsc.com>
397 * alias.c (mark_constant_function): Use INSN_P.
398 (init_alias_analysis): Likewise.
399 * combine.c (combine_instructions): Use INSN_P.
400 (can_combine_p): Likewise.
401 (try_combine): Likewise.
402 (distribute_notes): Likewise.
403 (distribute_links): Likewise.
404 * cse.c (cse_around_loop): Use INSN_P.
405 (invalidate_skipped_block): Likewise.
406 (cse_set_around_loop): Likewise.
407 (cse_end_of_basic_block): Likewise.
408 (delete_trivially_dead_insns): Likewise.
409 * emit-rtl.c (unshare_all_rtl_again): Use INSN_P.
410 (unshare_all_rtl_1): Likewise.
411 (next_cc0_user): Likewise.
412 (try_split make_insn_raw): Likewise.
413 (remove_unnecessary_notes): Likewise.
414 * final.c (shorten_branches): Use INSN_P.
415 (leaf_renumber_regs): Likewise.
416 (leaf_renumber_regs_insn): Likewise.
417 * flow.c (find_label_refs): Use INSN_P.
418 (verify_wide_reg): Likewise.
419 (notice_stack_pointer_modification): Likewise.
420 (count_or_remove_death_notes): Likewise.
421 (verify_flow_info): Likewise.
422 (clear_log_links): Likewise.
423 * function.c (fixup_var_refs_insns): Use INSN_P.
424 (compute_insns_for_mem): Likewise.
425 * gcse.c (alloc_gcse_mem): Use INSN_P.
426 (compute_sets): Likewise.
427 (compute_hash_table): Likewise.
428 (classic_gcse): Likewise.
430 (insert_insn_end_bb): Likewise.
431 (delete_null_pointer_checks_1): Likewise.
432 * global.c (expand_preferences): Use INSN_P.
433 (build_insn_chain): Likewise.
434 * graph.c (node_data): Use INSN_P.
435 * haifa-sched.c (priority): Use INSN_P.
436 (rm_line_notes): Likewise.
437 (rm_other_notes): Likewise.
438 (find_insn_reg_weight): Likewise.
439 (init_target_units): Likewise.
440 (schedule_block): Likewise.
441 (compute_block_forward_dependences): Likewise.
442 (debug_dependencies): Likewise.
443 (set_priorities): Likewise.
444 * integrate.c (function_cannot_inline_p): Use INSN_P.
445 (save_parm_insns): Likewise.
446 (copy_insn_list): Likewise.
447 * jump.c (mark_all_labels): Use INSN_P.
448 (never_reached_warning): Likewise.
449 * lcm.c (optimize_mode_switching): Use INSN_P.
450 * local-alloc.c (validate_equiv_mem): Use INSN_P.
451 (memref_used_between_p): Likewise.
452 (update_equiv_regs): Likewise.
453 (block_alloc): Likewise.
454 (no_conflict_p): Likewise.
455 * loop.c (scan_loop): Use INSN_P.
456 (find_and_verify_loops): Likewise.
457 (count_loop_regs_set): Likewise.
458 (loop_reg_used_before_p): Likewise.
459 (strength_reduce): Likewise.
460 (recombine_givs): Likewise.
461 (check_dbra_loop): Likewise.
462 (load_mems): Likewise.
463 (try_copy_prop): Likewise.
464 * print-rtl.c (print_rtx): Use INSN_P.
465 * recog.c (find_single_use): Use INSN_P.
466 * reg-stack.c (stack_regs_mentioned): Use INSN_P.
467 (next_flags_user): Likewise.
468 (swap_rtx_condition): Likewise.
469 * regmove.c (mark_flags_life_zones): Use INSN_P.
470 (optimize_reg_copy_1): Likewise.
471 (optimize_reg_copy_2): Likewise.
472 (optimize_reg_copy_3): Likewise.
473 (reg_is_remote_constant_p): Likewise.
474 (fixup_match_2): Likewise.
475 (regmove_optimize): Likewise.
476 (fixup_match_1): Likewise.
477 * regrename.c (build_def_use): Use INSN_P.
478 (replace_reg_in_block): Likewise.
479 (consider_use): Likewise.
480 * reload.c (find_equiv_reg): Use INSN_P.
481 * reload1.c (reload): Use INSN_P.
482 (maybe_fix_stack_asms): Likewise.
483 (calculate_needs_all_insns): Likewise.
484 (reload_as_needed): Likewise.
485 (emit_output_reload_insns): Likewise.
486 (delete_address_reloads_1): Likewise.
487 (reload_cse_regs_1): Likewise.
488 (reload_combine): Likewise.
489 (reload_cse_move2add): Likewise.
490 * reorg.c (redundant_insn): Use INSN_P.
491 (dbr_schedule): Likewise.
492 * resource.c (find_dead_or_set_registers): Use INSN_P.
493 (mark_target_live_regs): Likewise.
494 * rtlanal.c (reg_used_between_p): Use INSN_P.
495 (reg_referenced_between_p): Likewise.
496 (reg_set_between_p): Likewise.
497 (reg_set_p): Likewise.
498 (single_set): Likewise.
499 (multiple_sets): Likewise.
500 (find_last_value): Likewise.
501 (reg_set_last): Likewise.
502 (find_reg_note): Likewise.
503 (find_regno_note): Likewise.
504 * sibcall.c (sequence_uses_addressof): Use INSN_P.
505 * simplify-rtx.c (cselib_process_insn): Use INSN_P.
506 * ssa.c (find_evaluations): Use INSN_P.
507 (rename_block): Likewise.
508 (rename_equivalent_regs): Likewise.
509 * unroll.c (loop_find_equiv_value): Use INSN_P.
510 (set_dominates_use): Likewise.
511 * varasm.c (mark_constant_pool): Use INSN_P.
512 (mark_constants): Likewise.
513 * config/alpha/alpha.c (alpha_does_function_need_gp): Use INSN_P.
514 (alphaev4_next_group): Likewise.
515 (alphaev5_next_group): Likewise.
516 * config/c4x/c4x.c (c4x_process_after_reload): Use INSN_P.
517 (c4x_rptb_rpts_p): Likewise.
518 * config/mips/mips.c (mips16_optimize_gp): Use INSN_P.
519 * config/rs6000/rs6000.c (uses_TOC): Use INSN_P.
520 (rs6000_adjust_priority): Likewise.
521 * config/sh/sh.c (sh_loop_align): Use INSN_P.
522 (machine_dependent_reorg): Likewise.
523 (split_branches): Likewise.
524 * config/tahoe/tahoe.c (tahoe_cmp_check): Use INSN_P.
526 Fri Aug 4 11:43:49 2000 John Wehle (john@feith.com)
528 * combine.c (recog_for_combine): Remove the old notes
529 prior to attempting to recognize the new pattern.
530 (distribute_notes): Ignore REG_NONNEG notes.
532 2000-08-04 Chandrakala Chavva <cchavva@redhat.com>
534 * varasm.c (output_constructor): Add .align 0 for packed vars.
536 2000-08-04 J. David Anglin <dave@hiauly1.hia.nrc.ca>
538 * configure.in: Use default thread_file even when enable_threads is
539 yes or dce because hpux10.20 pa port uses MULTILIB implementation.
540 * configure: Rebuilt.
542 * gthr-dce.h (__gthread_objc_condition_allocate): Fix typo.
544 2000-08-04 Donn Terry (donnte@microsoft.com)
546 * prefix.c (translate_name): Don't strip trailing DIR_SEPARATOR.
548 2000-08-04 Mark Elbrecht <snowball3@bigfoot.com>
550 * i386/x-djgpp: Delete code that conditionally modifies target_alias.
551 Delete code that conditionally modifies 'version'.
552 Delete X_CPPFLAGS. Add comment for SYSTEM_HEADER_DIR.
553 * i386/xm-djgpp.h (GCC_DRIVER_HOST_INITIALIZATION): New macro.
554 * gcc.c (main): Use it.
555 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): New macro.
556 * prefix.c (update_path): Use it.
557 * i386/djgpp.h (STANDARD_INCLUDE_DIR): Define.
558 (MD_EXEC_PREFIX): Set to '/dev/env/DJDIR/bin/'.
559 (ASM_OUTPUT_SECTION_NAME): Add code attribute to sections containing
561 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Default to true.
562 (SUBTARGET_SWITCHES): Adjust.
563 (WCHAR_UNSIGNED, WCHAR_TYPE_SIZE, WCHAR_TYPE): Undefine before
565 (WINT_TYPE, SIZE_TYPE, PTRDIFF_TYPE): Define.
567 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
569 * c-common.h (flag_isoc94): Declare.
570 * c-decl.c (flag_isoc94): Define.
571 (c_decode_option): Set flag_isoc94 as appropriate.
572 * c-common.c (T_PD, T_IM, T_UIM): Define.
573 (format_char_info): Add tlen and jlen.
574 (print_char_table): Add entries for %t and %j. Allow %zn. Allow
576 (scan_char_table): Add entries for %t and %j. Allow %F. Allow
578 (time_char_table): Add NULL entries for %t and %j.
579 (check_format_info): Allow for %t and %j. Warn for %F if pedantic
580 and not C99. Warn for %lc, %ls and %l[ if pedantic and not C94.
581 Warn for printf %lf if pedantic and not C99. Don't warn for empty
582 precision. Allow precision argument to be unsigned int. If
583 pedantic, warn for %p passed an argument not a pointer to possibly
584 qualified void or a possibly qualified character type, and for
585 pointer targets of the wrong sign, except for character pointers.
587 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
589 * ginclude/stddef.h: Don't declare wint_t unless __need_wint_t.
590 * c-common.h (enum c_tree_index): Add CTI_WINT_TYPE.
591 (wint_type_node): Define.
592 * c-decl.c (WINT_TYPE): Define.
593 (init_decl_processing): Create the wint_type_node type.
594 * c-common.c (T_WI): Define.
595 (print_char_table): Use T_WI for %lc format.
597 2000-08-04 Bruce Korb <bkorb@gnu.org>
599 * fixinc/: Verified that the MSDOS patch does not break
600 the UNIX functionality and applied the next three patches
603 2000-07-28 Eli Zaretskii <eliz@is.elta.co.il>
605 * fixinc/fixfixes.c (main) [__MSDOS__]: Avoid overwriting the
606 output file with the temporary one by appending ".X" to generate
607 the temporary fuile's name. If the output file already has an
608 extension, replace it with ".X".
610 * fixinc/fixincl.c (fix_with_system) [__MSDOS__]: Use $ORIGDIR,
611 not $DESTDIR, to find applyfix. Use sprintf instead of snprintf;
612 reallocate the command buffer while copying the command-line
613 argument. Redirect the output directly to the temporary file,
614 instead of going through another temporary file.
615 (process): Close the temporary file before unlinking it.
616 (machine_matches) [__MSDOS__]: If the machine doesn't match, set
617 the FD_SKIP_TEST flag. Pay attention to the FD_MACH_IFNOT flag.
618 (run_compiles): Pass p_fixd argument to machine_matches, as it
621 * fixinc/fixincl.sh: Export ORIGDIR. If $DJDIR is set in the
622 environment, assume there are no symlinks in the include
623 directory. When cleaning up the DONE files, look for them
624 case-insensitively. Don't try to remove symlinks if they aren't
627 * fixinc/fixlib.c (make_raw_shell_str): Accept new argument smax;
628 all callers changed. Declare pz "const char *", to avoid compiler
631 * fixinc/fixlib.h (ENV_TABLE): Get ORIGDIR from the environment.
632 Change prototype of make_raw_shell_str.
634 2000-07-27 Eli Zaretskii <eliz@is.elta.co.il>
636 * fixinc/fixincl.c [__MSDOS__]: Don't include "server.h".
637 (initialize) [__MSDOS__]: Use tempnam.
638 (initialize): Don't use SIGPIPE if it is not defined.
640 * fixinc/fixfixes.c (main) [__MSDOS__]: freopen for stdout should
643 2000-07-25 Bruce Korb <bkorb@gnu.org>
645 * fixinc/fix*.[ch]: substantially reworked to make it possible
646 to run this program without using fork(2) or pipe(2) (i.e. in
649 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
651 * cppdefault.h (WINT_TYPE): Define.
652 * cppinit.c (builtin_array): Define __WINT_TYPE__.
653 * tradcpp.c (initialize_builtins): Define __WINT_TYPE__.
654 * tm.texi (NO_BUILTIN_WINT_TYPE, WINT_TYPE): Document.
656 Fri Aug 4 06:53:46 2000 Clinton Popetz <cpopetz@cygnus.com>
658 * (mips_legitimate_address_p): Don't allow register+offset
659 if the offset is large and negative, and we are compiling
660 for 64 bit registers.
662 2000-08-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
664 * gencodes.c (main): Define CODE_FOR_nothing as the last possible
665 insn_code_number + 1.
667 2000-08-04 Kazu Hirata <kazu@hxi.com>
669 * h8300.c (function_prologue): Rearrange code for conciseness.
670 (function_epilogue): Likewise.
671 * h8300.h (OK_FOR_U): Fix formatting.
673 * cse.c: Fix a comment typo. Fix formatting.
675 2000-08-03 Richard Henderson <rth@cygnus.com>
677 * config/i386/i386.md (return_indirect_internal): New.
678 * config/i386/i386.c (ix86_expand_epilogue): Use it.
680 2000-08-03 Zack Weinberg <zack@wolery.cumb.org>
682 * cpplex.c (parse_name): Might have to glue a CPP_OTHER token
684 (lex_line): Glue @ onto the beginning of identifiers and
685 string constants, in Objective-C mode.
686 (output_token, spell_token): Handle CPP_OSTRING.
687 (can_paste, maybe_paste_with_next): Handle pasting @ onto the
688 beginning of a NAME or a STRING, in objc mode.
690 * cpplib.c (get_define_node): Do not permit identifiers that
691 begin with @ to be #defined.
692 * cppmacro.c (CAN_PASTE_AFTER): Add CPP_OTHER.
693 * cpplib.h (TTYPE_TABLE): Add CPP_OSTRING.
695 * c-lang.c, objc/objc-act.c (build_objc_string): Delete.
696 * c-tree.h (build_objc_string): Delete prototype.
697 * objc/objc-tree.def: Delete OBJC_STRING_CST.
698 * c-lex.c (yylex): Use build_string for all three kinds of strings.
700 * c-parse.in, objc/objc-act.c: Update commentary.
702 2000-08-03 Mark Mitchell <mark@codesourcery.com>
704 * extend.texi: Fix typo in last change.
706 * extend.texi: Add commentary on statement-expressions and their
707 interactions with C++.
709 2000-08-03 Nick Clifton <nickc@cygnus.com>
711 * dwarf2.h (DW_LANG_Java): Change value to 0x000b.
712 * dwarf.h (LANG_JAVA): Change value to 0x000b.
714 2000-08-03 Anthony Green <green@cygnus.com>
716 * dwarf2out.c (gen_compile_unit_die): Add java language support.
717 (add_bound_info): Check for java language.
718 (is_java): New function.
719 * dwarfout.c (output_compile_unit_die): Ditto.
720 * dwarf.h (dwarf_source_language): Add java source language type.
721 * dwarf2.h (dwarf_source_language): Ditto.
723 Thu Aug 3 20:32:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
725 * reg-stack.c (subst_stack_regs_pat): Use replace_reg to swap
728 * i386.c (ix86_expand_branch): Mode of comparison in
729 IF_THEN_ELSE is VOIDmode.
731 Thu Aug 3 10:05:53 2000 Akiko Matsushita <matusita@sra.co.jp>
733 * gengenrtl.c, rtl.c: Avoid #elif.
735 2000-08-03 Michael Poole <poole@troilus.org>
737 * tm.texi (Register Classes): Clarify order of sub-initializers
738 in REG_CLASS_CONTENTS.
740 Thu Aug 3 15:53:03 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
742 From SAITOH Masanobu:
743 * sh.h (ASM_OUTPUT_REG_PUSH): Fix syntax.
745 2000-08-03 David Billinghurst <David.Billinghurst@riotinto.com.au>
747 * config/i386/cygwin.h: Remove -remap from CPP_SPEC since this option
748 is not supported by tradcpp and isn't actually needed for cygwin.
750 2000-08-03 Kazu Hirata <kazu@hxi.com>
752 * h8300.c: Fix a comment typo.
753 * h8300.h (OK_FOR_U): Accept a 32-bit constant address on H8/S.
755 * jump.c: Fix formatting.
757 * toplev.c: Fix formatting.
759 Thu Aug 3 01:05:32 2000 Jeffrey A Law (law@cygnus.com)
761 * flow.c (find_auto_inc): Verify that we've got a REG before
762 peeking at its regno. Fail, don't abort if we can't find
763 the increment of the desired register.
765 * pa.md (shadd height reduction patterns/splitters): Remove.
767 2000-08-02 Jim Wilson <wilson@cygnus.com>
769 * config/ia64/ia64-protos.h (flag_ssa): Declare.
770 * config/ia64/ia64.md (movti_internal, movti_internal+1): New.
772 2000-08-02 Mark Mitchell <mark@codesourcery.com>
774 * dce.c: Remove all uses of assert.
775 * dwarf2out.c: Likewise.
776 * dwarfout.c: Likewise.
779 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
781 * gcc.h (lang_specific_driver): Constify second argument.
782 * gcc.c (translate_options, process_command, main): Likewise.
783 Constify variables to match. Cast second argument to
786 * cppspec.c, gccspec.c: Adjust type of second argument to
787 lang_specific_driver, and update code as necessary.
789 2000-08-02 Jakub Jelinek <jakub@redhat.com>
791 * loop.c (scan_loop): Ensure update_end label does not
792 go away until reg_scan_update is run.
794 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
796 * c-common.h: Prototype min_precision and c_build_qualified_type here...
797 * c-tree.h: ... not here.
798 * errors.h: Prototype fancy_abort.
800 * emit-rtl.c (gen_lowpart_common): Move variable 'c' into
801 HOST_BITS_PER_WIDE_INT == 64 ifdef block.
802 * regrename.c (regrename_optimize): Make control flow explicit.
803 (replace_reg_in_block): Initialize reg_use to 0.
805 * i386.c (legitimate_address_p): Rename error label to
806 report_error to avoid namespace clash.
808 2000-08-02 Kazu Hirata <kazu@hxi.com>
810 * fold-const.c: Fix formatting.
812 Wed Aug 2 16:26:15 MET DST 2000 Jan Hubicka <jh@suse.cz>
814 * i386.c (legitimate_address_p): Accept other bases than
815 pic_offset_table_rtx for GOTOFF constructs.
817 Wed Aug 2 15:59:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
819 * i386.md (shift to lea splitter): Use const_int_operand.
821 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
823 * cppexp.c, cppinit.c, cpplex.c, cpplib.c, cppmacro.c,
824 cppspec.c: Do not use 'legal' or 'illegal' in error messages
827 * cppmain.c (cb_define, cb_undef): Don't generate any output
828 if not done_initializing.
829 * cpplex.c (maybe_paste_with_next): When the token after a ##
830 is an omitted rest argument, only delete the token before it
831 if that token is a comma. Do not warn about bogus token
832 pastes for , ## rest_arg.
837 2000-08-02 Fred Fish <fnf@be.com>
839 * config/i386/beos-elf.h (STARTFILE_SPEC): Add i386-mcount.o
840 when user gives -p option. Add init_term_dyn.o for BeOS 5.0
843 * config/i386/beos-elf.h (INCLUDE_DEFAULTS): Add additional
844 Be directories to search path.
846 Remove support for __declspec(dllimport) and __declspec(dllexport).
847 This is leftover cruft from the earlier BeOS gcc port when BeOS
848 used Microsoft's PE object file format.
849 * configure.in (i*86-*-beoself): Remove extra_objs=winnt.o.
850 * config/i386/t-beos (winnt.o): Remove Makefile frag.
851 * config/i386/beos-elf.h (TARGET_NOP_FUN_DLLIMPORT): Remove.
852 (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
853 (VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
854 (MERGE_MACHINE_DECL_ATTRIBUTES): Remove.
855 (REDO_SECTION_INFO_P): Remove.
856 (ASM_EXPORT_DECL): Remove.
857 (ASM_DECLARE_FUNCTION_NAME): Remove.
858 (ASM_DECLARE_OBJECT_NAME): Remove.
859 (ASM_OUTPUT_ALIGNED_COMMON): Remove.
860 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Remove.
861 (ASM_OUTPUT_ALIGNED_LOCAL): Remove.
862 (STRIP_NAME_ENCODING): Remove.
864 Remove support for obsolete version of BeOS that is no longer
866 * configure.in (i*86-*-beospe*): Remove.
867 * config/i386/beos-pe.h: Remove.
869 2000-08-01 Jeffrey Oldham <oldham@codesourcery.com>
870 Mark Mitchell <mark@codesourcery.com>
872 * Makefile.in (OBJS): Added dce.o.
873 (ssa.o): Updated target to include ssa.h.
875 (toplev.o): Likewise.
876 (dce.o): Created target.
877 * basic-block.h: Added comments.
878 (INVALID_BLOCK): Added definition.
879 (connect_infinite_loops_to_exit): Added declaration.
880 Moved SSA declarations to ssa.h.
881 * flow.c: Added inclusion of ssa.h.
882 (struct depth_first_search_dsS, depth_first_search_ds):
884 (compute_immediate_postdominators): Added definition.
885 (connect_infinite_loops_to_exit): Likewise.
886 (flow_dfs_compute_reverse_init): Likewise.
887 (flow_dfs_compute_reverse_add_bb): Likewise.
888 (flow_dfs_compute_reverse_execute): Likewise.
889 (flow_dfs_compute_reverse_finish): Likewise.
890 * rtl.h (rtx/in_struct): Added use to determine insn necessity.
891 (LABEL_P): Added definition.
894 (BARRIER_P): Likewise.
895 (JUMP_TABLE_DATA_P): Likewise.
896 (INSN_DEAD_CODE_P): Likewise.
897 * ssa.c: Replaced inclusions with ssa.h inclusion.
898 (CONVERT_HARD_REGISTER_TO_SSA_P): Moved to ssa.h.
899 (rename_registers): Removed unnecessary variables.
900 * ssa.h: Created by moving declarations from ssa.c and
902 * timevar.def: Defined TV_DEAD_CODE_ELIM.
903 * toplev.c: Added ssa.h inclusion.
904 (dump_file_index): Added DFI_dce.
905 (dump_file): Added "dce" entry.
907 (f_options): Added dce entry.
908 * invoke.texi: Document -fdce. Emphasize experimental status of
912 2000-08-01 Zack Weinberg <zack@wolery.cumb.org>
914 * cpperror.c (v_message): Split into _cpp_begin_message and
915 v_message macro. All callers updated.
916 (_cpp_begin_message): Do inhibit_errors/inhibit_warnings
919 * cppfiles.c (cpp_syshdr_flags): New function.
920 (read_include_file): Don't call cpp_output_tokens. Call
922 * cppinit.c (dump_macros_helper): Moved to cppmain.c.
923 (cpp_reader_init): Don't initialize token_buffer. Call
924 _cpp_init_internal_pragmas.
925 (cpp_cleanup): Don't clear token_buffer.
926 (cpp_start_read): Don't worry about output from -D processing.
927 Don't call cpp_output_tokens.
928 (cpp_finish): Don't dump macros here. Don't call
930 * cppmacro.c (_cpp_dump_definition): Rename
931 cpp_dump_definition. Write directly to a FILE *.
932 (dump_funlike_macro): Delete.
933 (dump_macro_args): New.
935 * cpplex.c (TOKEN_LEN): Convert to inline function.
936 (_cpp_grow_token_buffer, safe_fwrite, cpp_output_tokens,
937 cpp_scan_line, _cpp_dump_list): Delete.
938 (cpp_printf, cpp_output_list): New.
939 (output_line_command): Don't worry about entering or leaving files.
940 (cpp_scan_buffer): Just output each token as we hit it.
941 (process_directive): Don't call cpp_output_tokens.
942 (_cpp_glue_header_name): Don't use token_buffer.
943 (output_token, dump_param_spelling): Write directly to a FILE *.
945 * cpplib.c (pass_thru_directive, dump_macro_name,
946 pragma_dispatch, do_pragma_gcc): Delete.
947 (do_define, do_undef, parse_include, do_line, do_ident, do_pragma,
948 do_pragma_poison, cpp_pop_buffer): Call the appropriate hook
950 (do_error, do_warning, pragma_dependency): Call
951 _cpp_begin_message, then cpp_output_list.
952 (cpp_register_pragma, cpp_register_pragma_space,
953 _cpp_init_internal_pragmas): New.
954 (do_pragma): Walk the pragmas table here.
955 (do_pragma_once, do_pragma_poison, do_pragma_system_header,
956 do_pragma_dependency): Return void.
957 (do_pragma_implementation): Moved to cppmain.c.
959 * cpplib.h: Update prototypes.
960 (struct cpp_reader): Remove printer, token_buffer,
961 token_buffer_size, and limit. Add struct cb, and pragmas.
962 (struct cpp_printer): Remove last_id and written.
963 (CPP_WRITTEN, CPP_PWRITTEN, CPP_SET_WRITTEN,
964 CPP_ADJUST_WRITTEN): Delete.
965 * cpphash.h: Update prototypes.
966 (ufputs): New wrapper.
968 * cppmain.c (cb_define, cb_undef, cb_include, cb_ident,
969 cb_enter_file, cb_leave_file, cb_def_pragma): New functions.
970 (main): Set up callbacks. Register #pragma implementation.
971 Dump macros from here.
973 2000-08-01 Geoff Keating <geoffk@cygnus.com>
975 * rtl.h (enum reg_note): Add REG_MAYBE_DEAD.
976 * rtl.c (reg_note_name): Add REG_MAYBE_DEAD.
977 * flow.c (propagate_one_insn): Allow deletion of prologue/epilogue
978 insns if they have a REG_MAYBE_DEAD note attached.
979 * config/rs6000/rs6000.c (rs6000_maybe_dead): New function.
980 (rs6000_emit_load_toc_table): TOC loads may go dead.
982 2000-08-01 Jim Wilson <wilson@cygnus.com>
984 * config/ia64/ia64.c (ia64_function_arg): Fix last change. Verify
985 type exists before using it. Use number of words as alignment
987 (ia64_function_arg_partial_nregs, ia64_function_arg_advance,
988 ia64_va_arg): Propagate ia64_function_args changes here.
990 2000-08-01 Richard Henderson <rth@cygnus.com>
992 * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Care for null DECL.
993 * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
995 2000-08-01 Bernd Schmidt <bernds@cygnus.co.uk>
998 * sh.h (CPP_SPEC, TARGET_SWITCHES): Add m4-nofpu.
999 * sh.md (udivsi3, divsi3): Don't use libcalls that use the FPU
1000 unless TARGET_SH3E is set.
1001 * t-sh (MULTILIB_MATCHES): Add m2=m4-nofpu.
1003 * sh.md (ashlsi3_d, ashlsi3_k): Remove, replace with
1004 (ashlsi3_std): New pattern.
1005 (ashlsi3 expander): Use it for TARGET_SH3.
1006 * sh.c (gen_ashift): Use it instead of ashlsi3_k.
1008 Tue Aug 1 12:34:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
1010 * loop.c (canonicalize_condition): Use destination, not source to
1011 determine SET's mode.
1013 2000-07-31 Mark Mitchell <mark@codesourcery.com>
1015 * flow.c (clear_log_links): Fix typo.
1017 Mon Jul 31 22:19:24 2000 Jeffrey A Law (law@cygnus.com)
1019 * loop.c (check_dbra_loop): Make change from July 17, 2000 work
1020 on targets which need more than one insn for a compare/cbranch
1023 2000-07-31 Jim Wilson <wilson@cygnus.com>
1025 * config/ia64/ia64.c (ia64_function_arg): Use alignment not size
1026 when computing offset.
1028 Mon Jul 31 20:35:50 2000 Denis Chertykov <denisc@overta.ru>
1030 * genpeep.c (main): Handle DEFINE_PEEPHOLE2.
1032 2000-07-31 Geoff Keating <geoffk@cygnus.com>
1034 * flow.c (clear_log_links): Nuke global_live_at_start and
1035 global_live_at_end data, since if the log_links stuff is invalid
1036 so is global_live_at_*.
1038 2000-07-31 Richard Henderson <rth@cygnus.com>
1040 * tm.texi (Addressing Modes): Clarify PRE/POST_MODIFY descriptions.
1042 2000-07-31 Jakub Jelinek <jakub@redhat.com>
1044 * cpplex.c (_cpp_get_line): If index is 0, return line 0 col 0.
1045 (_cpp_get_token): Don't macro expand a just pasted token if it
1046 was pasted at no_expand_level.
1048 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
1050 * cppmacro.c (find_param, count_params, save_expansion):
1051 Permit 'defined' as a macro parameter name.
1053 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
1055 * Makefile.in: Rename cpp to cpp0, tradcpp to tradcpp0, and
1056 xcpp to cpp throughout.
1057 (native): Remove unnecessary dependency on cpp.
1059 * gcc.c (trad_capable_cpp, C specs): Rename cpp to cpp,
1060 tradcpp to tradcpp0.
1061 (.i spec): Add missing output-file spec to cc1 command line.
1062 * objc/lang-specs.h: Rename cpp to cpp0 and/or tradcpp to tradcpp0.
1064 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
1066 * c-decl.c (mesg_implicit_function_declaration): Init to -1.
1067 (implicit_decl_warning): New function.
1068 (implicitly_declare): Use it.
1069 * c-typeck.c (build_external_ref): Use implicit_decl_warning
1070 to complain about implicit decls of builtins.
1072 * c-lang.c (lang_init): Set mesg_implicit_function_declaration
1073 based on pedantic && flag_isoc99, if not already set.
1074 * c-tree.h: Declare mesg_implicit_function_declaration.
1075 Prototype implicit_decl_warning.
1077 2000-07-30 Jeffrey D. Oldham <oldham@codesourcery.com>
1079 * Makefile.in (ssa.o): Updated header files in dependences.
1080 * basic-block.h: Added compute_immediate_postdominators declaration.
1081 * config/i386/i386.h (CONVERT_HARD_REGISTER_TO_SSA_P): Added
1083 * flow.c (compute_immediate_dominators): Updated comment.
1084 (compute_immediate_postdominators): Added definition.
1085 * rtl.h (HARD_REGISTER_P): Added definition.
1086 * ssa.c: Include additional header files.
1087 (assert): Added definition.
1088 (ssa_rename_to_lookup): Added to reimplement ssa_rename_to to
1089 include select hard registers.
1090 (ssa_rename_to_insert): Likewise.
1091 (ssa_rename_from_initialize): Likewise.
1092 (ssa_rename_from_lookup): Likewise.
1093 (original_register): Likewise.
1094 (ssa_rename_from_insert): Added to reimplement ssa_rename_from to
1095 include select hard reigsters.
1096 (ssa_rename_from_traverse): Likewise.
1097 (ssa_rename_from_free): Likewise.
1098 (ssa_rename_from_print): Likewise.
1099 (ssa_rename_from_print_1): Likewise.
1100 (ssa_rename_from_hash_function): Likewise.
1101 (ssa_rename_from_equal): Likewise.
1102 (ssa_rename_from_delete): Likewise.
1103 (simplify_to_immediate_dominators): Removed in favor of
1104 flow.c:compute_immediate_dominators.
1105 (find_evaluations_1): Modified to work with hard registers.
1106 (insert_phi_node): Likewise.
1107 (insert_phi_nodes): Likewise.
1108 (struct rename_set_data): Updated prev_reg comment.
1109 (create_delayed_rename): Modified to work with hard registers.
1110 (RENAME_NO_RTX): Updated comment.
1111 (apply_delayed_renames): Modified to work with hard registers.
1112 (rename_insn_1): Likewise and added handling of CLOBBER rtls.
1113 (rename_block): Updated to use revised ssa_rename_to interface.
1114 (rename_registers): Updated to use revised ssa_rename_to and
1115 ssa_rename_from interface.
1116 (convert_to_ssa): Revised to use compute_immediate_dominators and
1117 deal with hard registers.
1118 (make_regs_equivalent_over_bad_edges): Modified to work with hard
1119 registers. Added check for illegal unification of hard register.
1120 (make_equivalent_phi_alternatives_equivalent): Modified to work
1121 with hard registers.
1122 (compute_conservative_reg_partition): Likewise.
1123 (coalesce_if_unconflicting): Modified to work with hard registers
1124 and check for conflicting hard registers.
1125 (mark_phi_and_copy_regs): Revised loop to work only on pseudo
1127 (rename_equivalent_regs_in_insn): Modified to work with hard
1129 (record_canonical_element_1): Added definition.
1130 (check_hard_regs_in_partition): Added definition.
1131 (convert_from_ssa): Added data structure deallocation and check
1132 for illegal hard register unification.
1133 (conflict_hard_regs_p): Added definition.
1134 * toplev.c (rest_of_compilation): Added comment.
1136 2000-07-31 Anthony Green <green@redhat.com>
1138 * config/ia64/crtbegin.asm (__EH_FRAME_BEGIN__): Align correctly.
1140 2000-07-31 Jason McMullan <jmcmullan@linuxcare.com>
1142 * builtins.c (expand_builtin_apply): Don't defer pop during
1145 2000-07-31 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1147 * calls.c (combine_pending_stack_adjustment_and_call): Only use
1148 preferred_unit_stack_boundary when it is > 1.
1150 2000-07-31 Joseph S. Myers <jsm28@cam.ac.uk>
1152 * c-common.c (init_function_format_info): Add C99 format functions
1155 * c-decl.c (get_parm_info): Don't treat 'const void', 'volatile
1156 void' or 'register void' as being the special case of 'void' alone
1157 in a parameter list.
1159 * c-typeck.c (build_c_cast): Change -Wcast-qual pedwarn for
1160 discarding qualifiers into a plain warning.
1162 2000-07-31 Kazu Hirata <kazu@hxi.com>
1164 * combine.c: Fix formatting.
1166 * h8300.md: Fix formatting.
1168 * local-alloc.c: Fix formatting.
1170 * h8300.c (get_shift_alg): Remove the variable alg.
1171 (emit_a_shift): Rearrange code to improve readability.
1173 * h8300.md (movsi_h8300hs): Rearrange code to improve readability.
1175 * h8300.h (MODES_TIEABLE_P): Accept a combination of QImode and
1176 HImode on all architectures and a combination of HImode and SImode
1177 on H8/300H and H8/S.
1179 * h8300.c (split_adds_subs): Rearrange code for conciseness.
1181 Mon Jul 31 12:27:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
1183 * i386.md (addsi to lea splitter, ashlqi3_1_lea): Fix bugs
1186 Mon Jul 31 10:41:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
1188 * recog.c (extract_insn): Set operand_mode according to
1189 operand if match_operand is VOIDmode.
1191 Mon Jul 31 10:36:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
1193 * recog.c (validate_replace_rtx_1): Do not abort for (nil) expression.
1195 2000-07-31 Geoff Keating <geoffk@cygnus.com>
1197 * c-parse.in (extdefs): Call ggc_collect between external
1200 2000-07-30 Michael Hayes <mhayes@cygnus.com>
1201 Richard Henderson <rth@cygnus.com>
1203 * Makefile.in (OBJS): Add doloop.o.
1204 * doloop.c: New file.
1206 * final.c (insn_current_reference_address): Return 0 before final.
1207 * flags.h (flag_branch_on_count_reg): Fix typos in commentary.
1208 * jump.c (any_uncondjump_p): Likewise.
1209 * loop.c (indirect_jump_in_function): Make static.
1210 (strength_reduce): Call doloop_optimize.
1211 (insert_bct, instrument_loop_bct): Remove.
1212 * loop.h (doloop_optimize): Prototype.
1213 * recog.c (split_all_insns): Split all INSN_P.
1214 * toplev.c (flag_branch_on_count_reg): Default on.
1216 * config/c4x/c4x.c (c4x_optimization_options): Don't set
1217 flag_branch_on_count_reg.
1218 * config/i386/i386.c (override_options): Likewise.
1219 * config/rs6000/rs6000.c (optimization_options): Likewise.
1221 * config/i386/i386.md (decrement_and_branch_on_count): Remove.
1223 (dbra_ge): Remove, as well as all it's splitters.
1225 * config/rs6000/rs6000.md (decrement_and_branch_on_count): Remove.
1228 * config/ia64/ia64-protos.h (ar_lc_reg_operand): Declare.
1229 (ia64_register_move_cost): Declare.
1230 * config/ia64/ia64.c (ar_lc_reg_operand): New.
1231 (struct ia64_frame_info): Add ar_size.
1232 (ia64_compute_frame_size): Set it.
1233 (save_restore_insns): Save and restore ar.lc.
1234 (ia64_register_move_cost): New, moved from header file. Handle
1235 application registers.
1236 (REG_AR_PFS, REG_AR_EC): Remove. Replace with AR_*_REGNUM numbers.
1237 (emit_insn_group_barriers): Special case doloop_end_internal.
1238 (ia64_epilogue_uses): Mark ar.lc live at end.
1239 * config/ia64/ia64.h (AR_CCV_REGNUM, AR_LC_REGNUM): New registers.
1240 (AR_EC_REGNUM, AR_PFS_REGNUM): New registers.
1241 (FIRST_PSEUDO_REGISTER): Make room.
1242 (AR_M_REGNO_P, AR_I_REGNO_P, AR_REGNO_P): New.
1243 (FIXED_REGISTERS, CALL_USED_REGISTERS): Update.
1244 (REG_ALLOC_ORDER): Update.
1245 (HARD_REGNO_MODE_OK): Update.
1246 (REGISTER_NAMES): Update.
1247 (enum reg_class): Add AR_M_REGS and AR_I_REGS.
1248 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
1249 (REGNO_REG_CLASS): Update.
1250 (LEGITIMATE_ADDRESS_DISP): Displacement range is 9 bits, not 10.
1251 (REGISTER_MOVE_COST): Move out of line.
1252 (PREDICATE_CODES): Update.
1253 * config/ia64/ia64.md (movdi patterns): Handle ar register classes.
1254 (addsi3_plus1_alt, adddi3_plus1_alt): New.
1255 (shladd_elim splitter): Allow constants in the predicate.
1256 (doloop_end, doloop_end_internal): New.
1258 2000-07-30 Richard Henderson <rth@cygnus.com>
1260 * genattrtab.c (struct insn_def): Add lineno member.
1261 (struct insn_ent): Likewise.
1262 (struct attr_desc): Likewise.
1263 (struct delay_desc): Likewise.
1264 (struct function_unit_op): Likewise.
1265 (struct function_unit): Likewise.
1266 (check_attr_value): Use message_with_line.
1267 (check_defs): Likewise.
1268 (expand_units): Likewise.
1269 (check_attr_test): Take a lineno argument.
1270 (gen_attr): Likewise.
1271 (gen_insn): Likewise.
1272 (gen_delay): Likewise.
1273 (gen_unit): Likewise.
1274 (main): Give it to them.
1275 (convert_set_attr_alternative): Take an insn_def argument
1276 instead of num_alt and insn_index.
1277 (convert_set_attr): Likewise.
1278 (write_test_expr): Protect INSN_ADDRESSES load
1279 with INSN_ADDRESSES_SET_P.
1281 2000-07-30 Richard Henderson <rth@cygnus.com>
1283 * flow.c (init_propagate_block_info): Use pc_set.
1285 Sun Jul 30 20:58:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
1287 * i386.md (*lea_general_[123]) New insns and splits.
1288 (addsi3 to lea splitter): Handle other modes too.
1289 (shlsi3 to lea splitter): Likewise.
1290 (addhi_1_lea, shlhi_1_lea): New patterns.
1291 (addhi_1, shlhi_1): Conditionize by PARTIAL_REG_STALL.
1293 Sun Jul 30 20:51:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
1295 * recog.c (general_operand, nonimmediate_operand): Accept
1296 any mode for VOIDmode CONSTANT_P operands.
1298 Sun Jul 30 20:42:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
1300 * gcse.c (try_replace_reg): Use validate_replace_rtx_subexp
1301 instead of replace_rtx.
1302 * recog.c (validate_replace_rtx_subexp): New function.
1303 * recog.h (validate_replace_rtx_subexp): Declare.
1305 Sun Jul 30 20:38:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
1307 * combine.c (simplify_set, make_extraction, make_compound_operation
1308 make_field_assignment): Use full mask instead of GET_MODE_MASK (mode)
1309 as force_to_mode argument.
1311 Sun Jul 30 20:30:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
1313 * combine.c (if_then_else_cond): Be sure that mode fits in
1316 Sun Jul 30 20:27:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
1318 * combine.c (record_promoted_value): Allow bitsize of mode
1319 to be equivalent to HOST_BITS_PER_WISE_INT.
1321 Sun Jul 30 20:25:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
1323 * function.c (assign_stack_local_1, assign_stack_temp_for_type):
1324 Do not call gen_mode_alignment when mode is BLKmode.
1326 Sun Jul 30 20:21:54 MET DST 2000 Jan Hubicka <jh@suse.cz>
1328 * loop.c (express_from_1): Fix call of simplify_gen_binary.
1330 Sun Jul 30 20:08:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
1332 * simplify-rtx.c (simplify_relational_operation): Verify that mode ==
1333 VOIDmode implies both operands to be VOIDmode.
1334 (simplify_ternary_operation): Compute properly the mode of comparison.
1335 * combine.c (combine_simplify_rtx): Likewise.
1337 2000-07-25 Michael Hayes <mph@paradise.net.nz>
1339 * basic-block.h (struct loops): New field rc_order.
1340 * flow.c (flow_loops_cfg_dump): Dump rc_order if computed.
1341 (flow_loops_free): Free rc_order.
1342 (flow_depth_first_order_compute): New parameter rc_order.
1343 (flow_loops_find): Allocate rc_order and swap usage with
1346 2000-07-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1347 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1349 * config/c4x/c4x.md (set_ldp_prologue): Add for RTL prologue/epilogue.
1350 (push_st, push_dp, pop_st, pop_dp, popqi_unspec): Likewise.
1351 (nodb_call, return_from_epilogue): Likewise.
1352 (return_from_interrupt_epilogue, prologue, epilogue): Likewise.
1353 * config/c4x/c4x.c (c4x_expand_prologue, c4x_expand_eplilogue): Add.
1354 * config/c4x/c4x-protos.h (c4x_interrupt_function_p): Add.
1355 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
1356 (c4x_valid_type_attribute_p): Likewise.
1357 * config/c4x/c4x.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Delete.
1358 (FUNCTION_BLOCK_PROFILER_EXIT): Convert to emit RTL.
1360 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1362 * config/c4x/c4x.c (c4x_emit_move_sequence): Use loadqi_big_constant
1363 and loadhi_big_constant if applicable.
1364 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant): Tweak
1365 and add new splitter.s
1367 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1369 * config/c4x/c4x.c (c4x_rptb_insert): Make more robust.
1371 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1373 * config/c4x/c4x.h (ASM_FORMAT_PRIVATE_NAME): Output $ in label.
1375 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1377 * config/c4x/c4x.h (IS_XXX_REGNO): Rewrite to avoid unsigned warnings.
1379 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1381 * config/c4x/libgcc.S (divqf3): Improve accuracy.
1383 2000-07-27 Mark Mitchell <mark@codesourcery.com>
1385 Put phi nodes after NOTE_INSN_BASIC_BLOCK.
1386 * rtl.h (NOTE_INSN_BASIC_BLOCK_P): New macro.
1387 * bb-reorder.c (get_next_bb_note): Use NOTE_INSN_BASIC_BLOCK_P.
1388 (get_prev_bb_note): Likewise.
1389 (remove_scope_notes): Likewise.
1390 * flow.c (commit_one_edge_insertion): Likewise.
1391 (merge_blocks_nomove): Likewise.
1392 (verify_flow_info): Likewise.
1393 * gcse.c (insert_insn_end_bb): Likewise.
1394 * reg-stack.c (emit_swap_insn): Likewise.
1395 * ssa.c (first_insn_after_basic_block_note): New function.
1396 (insert_phi_node): Use it.
1397 (rename_block): Likewise.
1398 (eliminate_phi): Likewise.
1399 (make_regs_equivalent_over_bad_edges): Likewise.
1400 (make_equivalent_phi_alternatives_equivalent): Likewise.
1401 (for_each_successor_phi): Likewise.
1402 (convert_from_ssa): Modify phi-node deletion algorithm.
1404 2000-07-29 Andreas Jaeger <aj@suse.de>
1406 * configure.in (mips*-*-linux*): Use mips*el to check for little
1407 endian MIPS, add tmake_file.
1409 * config/mips/linux.h (TARGET_VERSION): Use GNU/Linux.
1410 (SUBTARGET_CPP_SPEC): Default MIPS_ISA is 1.
1411 Patches by Maciej W. Rozycki <macro@ds2.pg.gda.pl>.
1413 2000-07-28 Richard Henderson <rth@cygnus.com>
1415 * config/ia64/ia64.c (ia64_print_operand): Fix typos.
1416 Sign extend mode size before negating.
1418 2000-07-28 Richard Henderson <rth@cygnus.com>
1420 * emit-rtl.c (gen_lowpart_common): Add missing 'c' variable.
1422 2000-07-28 Bernd Schmidt <bernds@cygnus.co.uk>
1424 * cse.c (canon_hash): Handle PRE_MODIFY/POST_MODIFY.
1425 (cse_insn): Likewise.
1426 (addr_affects_sp_p): Likewise.
1427 * expr.c (move_by_pieces): Likewise.
1428 (clear_by_pieces): Likewise.
1429 * gcse.c (oprs_unchanged_p): Likewise.
1430 * haifa-sched.c (sched_analyze_2): Likewise.
1431 * recog.c (offsettable_address_p): Likewise.
1432 * regclass.c (record_address_regs): Likewise.
1433 * reload.c (find_reusable_reload): Likewise.
1434 (push_reload): Likewise.
1435 (operands_match_p): Likewise.
1436 (decompose): Likewise.
1437 (find_reloads_address_1): Likewise.
1438 (find_inc_amount): Likewise.
1439 * reload1.c (elimination_effects): Likewise.
1440 * resource.c (mark_set_resources): Likewise.
1441 * flow.c (attempt_auto_inc): New function; mostly broken out
1443 (find_auto_inc): Split into two functions and enhanced to
1444 generate POST_MODIFY.
1445 * rtl.def (PRE_MODIFY, POST_MODIFY): Adjust comment.
1446 * rtl.h (count_all_occurrences): Declare.
1447 (HAVE_{PRE,POST}_MODIFY_{DISP,REG}): Provide default of 0 if not
1449 * rtlanal.c (count_all_occurrences): New function.
1450 * tm.texi (HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_DISP,
1451 HAVE_POST_MODIFY_REG, HAVE_PRE_MODIFY_REG): Document.
1453 * config/ia64/ia64-protos.h (destination_operand): Declare.
1454 * config/ia64/ia64.c (destination_operand): New function.
1455 (ia64_print_operand): Handle POST_MODIFY.
1456 (rtx_needs_barrier): Likewise.
1457 * config/ia64/ia64.h (HAVE_POST_MODIFY_DISP): Define to 1.
1458 (HAVE_POST_MODIFY_REG): Define to 1.
1459 (MAX_REGS_PER_ADDRESS): Change to 2.
1460 (GO_IF_LEGITIMATE_ADDRESS): Accept POST_MODIFY too.
1461 (LEGITIMATE_ADDRESS_REG): New helper macro.
1462 (LEGITIMATE_ADDRESS_DISP): Likewise.
1463 (PREDICATE_CODES): Add entry for destination_operand.
1464 * config/ia64/ia64.md (all mov patterns): Use destination_operand
1465 predicate for operand 0.
1467 2000-07-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1469 * dwarf2out.c: Indent #error directive.
1471 * gbl-ctors.h: Fix typo in comment.
1472 (__do_global_ctors): Prototype.
1474 * gcse.c (record_one_set, pre_delete): Remove unused variables.
1476 * rs6000.c (rs6000_maybe_dead): Delete unused prototype.
1477 (print_operand): Initialize variable `t'.
1479 2000-07-27 Aldy Hernandez <aldyh@redhat.com>
1481 * config/arm/arm.md ("call_value"): removed constraints.
1482 Constraints are ignored in expanders.
1483 (*call_value_reg): split =rf into various constraints.
1484 (*call_value_mem): same
1485 (*call_value_symbol): same
1486 (*sibcall_value_insn): same
1488 2000-07-28 Philipp Thomas <pthomas@suse.de>
1490 * install.texi (--enable-nls): Change the description of the NLS
1491 related configure options to match the current state.
1492 (--with-included-gettext): Likewise.
1493 (--enable-maintainer-mode): New description added.
1494 * extend.texi (-fstrict-prototype): Add missing '.'.
1496 2000-07-27 Jim Wilson <wilson@cygnus.com>
1498 * dwarf2out.c (gen_decl_die): Don't call gen_abstract_function if
1499 DECL_INITIAL (decl) == NULL_TREE.
1501 2000-07-27 Alexandre Oliva <aoliva@redhat.com>
1503 * Makefile.in (INSN_ATTR_H): New macro. Replace all dependencies
1504 on insn-attr.h with it.
1505 * genattr.c: Generate `#include "insn-addr.h"' if HAVE_ATTR_length.
1506 * insn-addr.h: New header.
1507 (insn_addresses_): Renamed from insn_addresses.
1508 (INSN_ADDRESSES_DEFN, INSN_ADDRESSES, INSN_ADDRESSES_ALLOC,
1509 INSN_ADDRESSES_FREE, INSN_ADDRESSES_SET_P, INSN_ADDRESSES_SIZE,
1510 INSN_ADDRESSES_NEW): New macros.
1511 * genattrtab.c (write_test_expr): Use new macros.
1512 * final.c (insn_addresses, init_insn_lengths): Likewise.
1513 (align_fuzz, shorten_branches): Likewise.
1514 (final): Likewise. Do not reject new insns if their addresses
1515 have been added to INSN_ADDRESSES.
1516 * config/arm/arm.c, config/avr/avr.c: Use new macros.
1517 * config/h8300/h8300.c, config/i370/i370.c: Likewise.
1518 * config/m88k/m88k.c, config/pa/pa.c, config/pa/pa.md: Likewise.
1519 * config/sparc/sparc.c, config/sparc/sparc.md: Likewise.
1520 * config/sh/sh.c: Likewise.
1521 (output_branchy_insn): Use INSN_ADDRESSES_NEW.
1523 * Makefile.in (bootstrap): Move -BstageN/ back to the beginning.
1525 2000-07-27 Andrew Cagney <cagney@b1.cygnus.com>
1527 * gcc.c (struct prefix_list): Add member priority.
1528 (enum path_prefix_priority): Declare.
1529 (add_prefix): Replace ``first'' with ``priority''. Append new
1530 entry but keep list in priority order.
1531 (process_command): Update. Pass PREFIX_PRIORITY_B_OPT or
1532 PREFIX_PRIORITY_LAST to add_prefix.
1533 (process_command): Move include kludge - foo/stageN - to before
1536 2000-07-27 Jason Merrill <jason@redhat.com>
1538 * dwarf2out.c (gen_typedef_die): Abort if we get identical
1539 TREE_TYPE and DECL_ORIGINAL_TYPE on a typedef.
1541 2000-07-27 RodneyBrown <RodneyBrown@pmsc.com>
1543 * expr.h (get_alias_set, lang_get_alias_set): Delete prototypes.
1544 * tree.h (get_alias_set, lang_get_alias_set): Prototype.
1546 2000-07-27 Joseph S. Myers <jsm28@cam.ac.uk>
1548 * c-decl.c (finish_function): Don't treat 'main' specially unless
1549 flag_hosted. In C99 mode, return 0 from 'main' unless
1550 DEFAULT_MAIN_RETURN is otherwise defined.
1552 * c-decl.c (store_parm_decls): In C99 mode, pedwarn for function
1553 parameters defaulting to int in an old-style function definition.
1555 2000-07-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1557 * c-parse.in (string): For -Wtraditional, warn about string
1558 concatenation only once per line.
1560 Thu Jul 27 09:25:17 2000 Akiko Matsushita <matusita@sra.co.jp>
1562 * pa/x-pa-hpux: Add -D_HIUX_SOURCE to FIXPROTO_DEFINES
1563 for HI-UX/WE2 systems.
1565 2000-07-24 Bruce Korb <bkorb@gnu.org>
1567 * fixincl/fixfixes.c(emit_gnu_type): rewrote to *rely* on GCC
1568 defining the __xxx_TYPE__ macros.
1569 * fixincl/fixincl.tpl(gnu_type_map): now obsolete
1570 * fixincl/fixlib.h: don't need to include "tm.h" anymore
1571 * fixincl/inclhack.def(type_map): now obsolete
1573 Thu Jul 27 11:54:17 2000 Andrew Cagney <cagney@b1.cygnus.com>
1575 * cpp.texi: Append a trailing full-stop to xrefs where needed.
1577 2000-07-26 Dave Pitts <dpitts@cozx.com>
1579 * i370.c: Remove LONGEXTERNAL ifdef from alias_number. Added hash
1581 (mvs_hash_alias): New function.
1582 (mvs_add_alias): Change argument spacing.
1583 (mvs_need_alias): Change aliasing criteria. Added documentation.
1584 (mvs_get_alias): Change to use hashed name. The hashed name prevents
1585 CSECT name collisions.
1586 (mvs_check_alias): Likewise.
1587 (handle_pragma): Change documentation.
1588 * i370.md (mulsi3, divsi3, udivsi3, modsi3, umodsi3): Changed gen_rtx
1589 mode from SImode to DImode.
1590 (iorhi3): Changed LTORG size for insn.
1592 Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
1594 * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
1595 mem if the address is a mode_dependent_address_p.
1597 2000-07-26 Kazu Hirata <kazu@hxi.com>
1599 * h8300.c (print_operand): Print ":8" when the 'R' operand is
1600 suitable for 8-bit absolute.
1601 * h8300.h (EIGHTBIT_CONSTANT_ADDRESS_P): New.
1602 (OK_FOR_U): Add a case for the 8-bit constant address on the
1605 Wed Jul 26 19:26:21 2000 Hans-Peter Nilsson <hp@axis.com>
1607 * varasm.c (assemble_variable) [! defined(ASM_OUTPUT_ALIGNED_COMMON)
1608 && ! defined (ASM_OUTPUT_ALIGNED_BSS]): Also test
1609 ! defined(ASM_OUTPUT_ALIGNED_DECL_COMMON) before complaining about
1610 lack of implemented alignment.
1612 2000-07-26 Geoffrey Keating <geoffk@cygnus.com>
1614 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETIC]: Handle
1615 cross-compiling between 64-bit and 32-bit machines.
1617 2000-07-27 Richard Henderson <rth@cygnus.com>
1619 * config/ia64/ia64.md (movqicc_astep, movqi_internal_astep): New.
1620 (movhicc_astep, movhi_internal_astep): New.
1621 (movsicc_astep, movsi_internal_astep): New.
1622 (movdicc_astep, movdi_internal_astep): New.
1623 (movsfcc_astep, movsf_internal_astep): New.
1624 (movdfcc_astep, movdf_internal_astep): New.
1625 (movxfcc_astep, movxf_internal_astep): New.
1626 (cmovdi_internal_astep, cmovsi_internal_astep): New.
1627 Unify the cmov[ds]i splitters.
1629 2000-07-27 Rodney Brown <RodneyBrown@pmsc.com>
1631 * real.c (asctoeg): Rename `error' label to unexpected_char_error
1633 2000-07-26 Nick Clifton <nickc@cygnus.com>
1635 * config/arm/vxarm.h (CPP_PREDEFINES): Remove definition of
1636 __arm__. Allow it to be defined by CPP_ISA_SPEC in arm.h
1638 * dwarf2out.c (dwarf2out_frame_debug_expr): Accept SEQUENCE as
1639 well as PARALLEL blocks in FRAME_RELATED_EXPR notes.
1641 2000-07-26 Alexandre Oliva <aoliva@redhat.com>
1643 * c-decl.c (finish_enum): Convert enumerations that fit in an
1645 (build_enumerator): In pedantic mode, cast to `int' those that
1648 2000-07-25 Rodney Brown <RodneyBrown@pmsc.com>
1650 * config/alpha/osf.h (SIZE_TYPE, PTRDIFF_TYPE): New.
1652 Tue Jul 25 23:08:33 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1654 * sh.md (cmpgtdi_t): Must be split.
1655 (cmpgtdi_t+1): New splitter.
1657 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
1659 * cpplib.c (_cpp_check_directive): Issue -Wtraditional
1660 warnings for indented directives even if we are skipping.
1662 2000-07-25 Nathan Sidwell <nathan@codesourcery.com>
1664 * invoke.texi (strict-prototypes): Remove.
1665 * extend.texi (Deprecated Features): Add strict-prototypes.
1666 (Backwards Compatibility): New node.
1668 2000-07-25 Jakub Jelinek <jakub@redhat.com>
1670 * config/i386/i386.md (andsi_1+1): Allow HImode.
1671 (andsi_1+2): Require q_regs_operand.
1673 2000-07-25 Jakub Jelinek <jakub@redhat.com>
1675 * config/i386/i386.md (call_pop): Check operands[0],
1676 not operands[1]. Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
1678 (call_value_pop): Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
1679 (call_value): Likewise.
1681 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
1683 * toplev.c (pipe_closed): Delete.
1684 (crash_signal): New. Generate ICE for a fatal signal.
1685 (float_signal): Call crash_signal outside a float-handler
1687 (main): Install crash_signal as handler for core-dumping signals.
1689 2000-07-25 David Edelsohn <edelsohn@gnu.org>
1691 * rs6000.c (print_operand, case 'T'): New case.
1693 * rs6000.md (call_indirect_aix32): Convert to expander of
1694 scheduled instructions.
1695 (call_indirect_aix64): Likewise.
1696 (call_value_indirect_aix{32,64}): Likewise.
1697 (call, call_value): Invoke expanders for AIX. Fall through to
1699 (call_indirect_nonlocal_aix{32,64}): New patterns (ctr and lr).
1700 (call_value_indirect_nonlocal_aix{32,64}): New patterns.
1701 (call_nonlocal_aix32): Remove CALL_LONG alternative. Operand 1
1702 only "g" constraint.
1703 (call_nonlocal_aix64): Likewise.
1704 (call_value_nonlocal_aix{32,64}): Likewise.
1705 (call_nonlocal_sysv): New pattern for ctr, lr, and symbolic
1707 (call_value_nonlocal_sysv): New pattern.
1708 (indirect_jump{si,di}): Use new 'T' modifier.
1709 (tablejump{si,di} matchers): Likewise.
1710 (return_internal_{si,di}): Likewise.
1711 (return_eh_{si,di}): Likewise.
1713 2000-07-24 Richard Henderson <rth@cygnus.com>
1715 * config/ia64/ia64.c (ia64_print_operand): Handle "%,".
1716 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): Likewise.
1717 * config/ia64/ia64.md (movdi_internal): Use it.
1719 2000-07-24 Zack Weinberg <zack@wolery.cumb.org>
1721 * cppexp.c: Warn about unary + if -Wtraditional.
1722 * cpplex.c (lex_line): Always set BOL on the first token of a line.
1724 2000-07-24 Michael Meissner <meissner@redhat.com>
1726 * d30v.h (FUNCTION_ARG_KEEP_AS_REFERENCE): Delete references to
1729 2000-07-24 Nick Clifton <nickc@cygnus.com>
1731 * config/arm/arm.c (emit_multi_reg_push): Generate a
1732 REG_FRAME_RELEATED_NOTE that is compatable with the code in
1733 dwarf2out_debug_frame_expr.
1735 2000-07-24 Jason Merrill <jason@redhat.com>
1737 * dwarf2out.c: Complain if DWARF2_DEBUGGING_INFO is defined without
1738 UNALIGNED_INT_ASM_OP.
1739 (def_cfa_1): Don't emit def_cfa_register or def_cfa_offset to adjust
1740 a location expression.
1741 (dwarf2out_frame_debug_expr): Lose cfa_old_reg stuff. Don't
1742 assume indirect access if we're saving the CFA address exactly.
1744 * Makefile.in (bootstrap): Move -BstageN/ to the end.
1746 2000-07-24 Jakub Jelinek <jakub@redhat.com>
1748 * tradcpp.c (main): Update max_include_len for cpp_include_defaults
1751 2000-07-24 Michael Meissner <meissner@redhat.com>
1753 * invoke.texi (D30V Options): Add d30v options.
1755 Mon Jul 24 02:04:52 2000 Jeffrey A Law (law@cygnus.com)
1757 * gcse.c (alloc_pre_mem): Do not alloc TRANSPOUT, it is not
1758 needed by our gcse pass anymore.
1759 (free_pre_mem): Corresponding changes.
1760 (compute_pre_data): Do not call compute_transpout anymore.
1762 * gcse.c (alloc_avail_expr_mem): Kill unused 'u_bitmap'.
1763 (free_avail_expr_mem, alloc_pre_mem, free_pre_mem): Corresponding
1766 * gcse.c (free_pre_mem): Do not free ANTLOC and AE_KILL here.
1767 (compute_pre_data): Do it here instead.
1769 * gcse.c (alloc_pre_mem, free_pre_mem): Delete unused bitmap
1771 (pre_delete): Corresponding changes.
1773 2000-07-23 Mark Mitchell <mark@codesourcery.com>
1775 * c-semantics.c (make_rtl_for_local_static): Use TREE_ASM_WRITTEN
1776 to figure out whether or not a variable has already been emitted.
1778 Sun Jul 23 14:49:12 2000 Jason Eckhardt <jle@cygnus.com>
1780 * config/i860/i860.md (untyped_call expander): Use GEN_CALL
1781 instead of gen_call.
1783 Sun Jul 23 11:52:03 2000 George Helffrich (george@gly.bris.ac.uk)
1785 * dbxout.c (dbxout_type, case COMPLEX_TYPE): Fix length field in stab.
1787 2000-07-23 Kazu Hirata <kazu@hxi.com>
1789 * h8300.c: Fix formatting.
1791 2000-07-23 Joseph S. Myers <jsm28@cam.ac.uk>
1793 * c-typeck.c (c_expand_start_case): Change -Wtraditional pedwarn
1794 for `long' switch expression into a plain warning.
1796 * c-lex.c (init_lex): Keep the "inline" keyword in C99 mode.
1797 (yylex): Don't pedwarn for "inline" in C99 mode.
1799 * bitmap.c (debug_bitmap_file): Cast pointers to PTR for printing
1801 * ggc-page.c (debug_print_page_list, alloc_page, free_page,
1802 ggc_alloc): Likewise.
1803 * bb-reorder.c (dump_scope_forest_1): Likewise.
1805 2000-07-22 Aldy Hernandez <aldyh@redhat.com>
1807 * reload.c (find_reloads_toplev): Add new parameter
1809 (find_reloads): Add new parameter to find_reloads_toplev calls.
1811 2000-07-22 Jeffrey Oldham <oldham@codesourcery.com>
1813 * collect2.c (main): Typo fixed.
1814 * diagnostic.c: Typo fixed.
1815 * dwarf2out.c (dwarf2out_frame_debug_expr): Typo fixed.
1816 * eh-common.h: Typo fixed.
1817 * emit-rtl.c (start_sequence): Typo fixed.
1818 * flow.c (find_label_refs): Typo fixed.
1819 (calculate_global_regs_live): Typo fixed.
1820 (mark_regno_cond_dead): Typo fixed.
1821 (create_edge_list): Typos fixed.
1822 (verify_edge_list): Typo fixed.
1823 * ggc-common.c (ggc_mark_rtx_children): Typo fixed.
1824 * loop.c (strength_reduce): Typo in function name fixed.
1825 * rtl.h: Added comments. Typo in function name fixed.
1826 * rtlanal.c: Typo in function name fixed.
1827 (insn_dependant_p): Rename to ...
1828 (insn_dependent_p): ... this.
1829 (computed_jumo_p): Typo fixed.
1831 2000-07-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1833 * system.h (__FUNCTION__): Wrap definition in #ifndef.
1835 2000-07-21 David Edelsohn <edelsohn@gnu.org>
1837 * rs6000.h (SIZE_TYPE): Define.
1839 2000-07-21 Mark Mitchell <mark@codesourcery.com>
1841 * ssa.c (rename_insn_1): Don't rename registers that are
1844 2000-07-21 Zack Weinberg <zack@wolery.cumb.org>
1846 * diagnostic.c (trim_filename, fancy_abort): Moved here from
1848 (fatal_function, set_fatal_function): Removed.
1849 (fatal): Don't prepare for or call the fatal_function.
1850 (diagnostic_lock, error_recursion): New.
1851 (diagnostic_for_decl, report_diagnostic): Guard against
1852 re-entering the error reporting routines.
1853 (fancy_abort): Assume function is not NULL.
1855 * errors.c (fancy_abort): New. Assume function is not NULL.
1856 * tradcpp.c (fancy_abort): Assume function is not NULL.
1858 * system.h: Provide default definition of __FUNCTION__.
1859 * rtl.h: Use __FUNCTION__ not __PRETTY_FUNCTION__ throughout.
1860 Always use __FUNCTION__ in definition of abort.
1862 * varray.h: Likewise.
1863 * toplev.h: Likewise. Don't prototype set_fatal_function.
1865 2000-07-20 Geoff Keating <geoffk@cygnus.com>
1867 * config/rs6000/aix43.h (CPP_SPEC): Define __LONG_MAX__ correctly
1869 * glimits.h: Don't do #if defined for ARCH_PPC.
1871 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): All
1872 constants of size no larger than a pointer should go in the TOC.
1873 Add 'MODE' parameter.
1874 (LEGITIMIZE_RELOAD_ADDRESS): Add MODE parameter to
1875 ASM_OUTPUT_SPECIAL_POOL_ENTRY_P.
1876 (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Likewise.
1877 * config/rs6000/aix.h (SELECT_RTX_SECTION): Likewise.
1878 * config/rs6000/netware.h (SELECT_RTX_SECTION): Likewise.
1879 * config/rs6000/rs6000.c (constant_pool_expr_1): Likewise.
1880 (rs6000_legitimize_address): Likewise.
1881 (rs6000_emit_move): Likewise.
1882 (rs6000_select_rtx_section): Likewise.
1883 (output_toc): Deal properly with outputting small constants like
1884 HImode, and SFmode in 32-bit mode, and DFmode in 64-bit mode.
1885 * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Add
1886 MODE parameter. Put small constants in the TOC.
1888 * config/rs6000/rs6000.c (easy_fp_constant_p): All constants are
1890 (rs6000_emit_move): When reload calls us with an illegitimate
1891 address, exit early. Move the change_address calls to one place
1892 at the end of the routine. Merge the SImode and DImode expanders.
1893 When called by reload to put an integer into a FP register, force
1896 * config/rs6000/rs6000.c (struct toc_hash_struct): Add 'key_mode'
1898 (rs6000_hash_constant): Hash mode too.
1899 (toc_hash_function): Allow for key_mode.
1900 (toc_hash_eq): Structures are different if key_mode differs.
1901 (output_toc): Add 'mode' parameter. Save key_mode.
1902 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY):
1903 Pass 'mode' parameter.
1904 * config/rs6000/rs6000-protos.h (output_toc): Add 'mode' param.
1906 * config/rs6000/rs6000.c (output_toc): Use RS6000_OUTPUT_BASENAME
1907 for vtable references.
1909 * config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): If we have a
1910 choice, don't put integer values in FP regs.
1912 Thu Jul 20 18:13:52 2000 Jeffrey A Law (law@cygnus.com)
1914 * flow.c (verify_flow_info): Revamp code to verify that the
1915 head and end of each basic block are in the insn chain.
1917 Thu Jul 20 18:02:35 2000 Michael Matz <matzmich@cs.tu-berlin.de>
1919 * gcse.c (record_one_set): Prepend instead of append onto
1920 reg_set_table, making it O(n) instead O(n^2).
1921 * lcm.c (compute_antinout_edge,compute_laterin,compute_available):
1922 Use a queue instead of a stack as worklist.
1924 2000-07-20 Kazu Hirata <kazu@hxi.com>
1926 * h8300.c (two_insn_adds_subs_operand): Fix a typo.
1927 * h8300.h (OK_FOR_T): New.
1928 (EXTRA_CONSTRAINT): Support OK_FOR_T.
1929 * h8300.md: Use inc/dec.[wl] for increment/decrement
1930 by 1 and 2 in HI and SI modes.
1932 2000-07-20 Jim Wilson <wilson@cygnus.com>
1934 * config/ia64/ia64.h (ASM_OUTPUT_MI_THUNK): Handle DELTA values
1935 larger than 14 bits.
1937 2000-07-20 Zack Weinberg <zack@wolery.cumb.org>
1939 * cppmacro.c (CAN_PASTE_AFTER): New macro.
1940 (count_params): Don't set GNU_REST_ARGS on anything.
1941 (save_expansion): Set PASTE_LEFT only on tokens for which
1942 CAN_PASTE_AFTER is true, or which are named operators.
1944 * cpplex.c (parse_args): Distinguish between a rest argument
1945 given one empty argument, and a rest argument given zero arguments.
1946 (maybe_paste_with_next): Look for VOID_REST tag, and trigger
1947 deletion of previous token based on that.
1948 (get_raw_token): Flatten some control structure.
1950 * cpplib.h (CPP_LAST_EQ): Correct.
1951 (VOID_REST): New token flag.
1952 (GNU_REST_ARGS): Delete.
1954 * tradcpp.c (main): Don't munge -D options.
1955 (make_definition): Bring -D handling in line with cpplib.
1956 (do_define): Strip all leading whitespace from macro definitions.
1958 2000-07-20 David Billinghurst <David.Billinghurst@riotinto.com.au>
1960 * Makefile.in (tradcpp): Depend on intl.o and version.o.
1962 2000-07-20 Bruce Korb <bkorb@gnu.org>
1964 * fixincl/check.tpl: strip the platform specific types before testing
1965 * fixincl/fixfixes.c(gnu_type_fix): use platform specific types
1966 * fixincl/fixincl.tpl: use platform specific types
1967 * fixincl/fixlib.h: include the platform specific types
1968 * fixincl/inclhack.def(gnu_types): don't supply the types
1969 * fixincl/fixincl.x: regen
1971 2000-07-19 Jim Wilson <wilson@cygnus.com>
1973 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): Don't allow XFmode in
1976 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
1978 * tradcpp.c (rescan): Do not recognize directives when the #
1981 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
1983 Implement C++ named operators.
1985 * cpplib.h (TTYPE_TABLE): Move CPP_MIN and CPP_MAX into block
1986 of operators allowed in #if and having an _EQ variant. Add
1987 CPP_MIN_EQ, CPP_MAX_EQ, and CPP_DEFINED.
1988 (cpp_token flags): Add NAMED_OP.
1989 (enum node_type): Add T_OPERATOR.
1990 (struct cpp_hashnode): Add code slot to value union.
1991 * cpphash.h (spec_nodes): Remove n_defined.
1993 * cpplex.c (lex_line): Convert T_OPERATOR nodes to their proper types.
1994 (spell_token, can_paste, maybe_paste_with_next): Handle named operators.
1995 (is_macro_disabled): Tweak error messages.
1997 * cpplib.c (get_define_node): Disallow all named operators as
1998 macro names. Tweak error messages.
1999 (_cpp_init_stacks): Don't set up spec_nodes->n_defined.
2001 * cppinit.c (builtin_array): Add entries for the named operators.
2002 * cppexp.c (lex): Check for CPP_DEFINED token.
2003 (priority table): Add entries for CPP_MIN and CPP_MAX.
2004 (_cpp_parse_expr): Handle CPP_MIN and CPP_MAX.
2006 2000-07-19 Bernd Schmidt <bernds@cygnus.co.uk>
2008 * gcse.c (INSN_CUID): If ENABLE_CHECKING, abort if the uid is
2009 larger than the array of cuids.
2010 (alloc_gcse_mem): Use uid_cuid rather than INSN_CUID when computing
2013 2000-07-19 Bruce Korb <bkorb@gnu.org>
2015 * fixinc/fixincl.c: Convert to using a table of environment variables
2016 and activate the auto-edit marker on the fixed output files.
2017 * fixinc/fixlib.h: Define the environment table
2018 * fixinc/fixincl.sh: export the ${INPUT} dir
2019 * fixinc/check.tpl: likewise
2021 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
2023 * gcc.c (.h spec): Fix typo.
2025 Wed Jul 19 01:22:15 CEST 2000 Marc Espie <espie@cvs.openbsd.org>
2027 * Makefile.in: Fix tradcif.c path.
2029 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
2031 * cpplib.h (TTYPE_TABLE): Rearrange to use only two per-entry
2034 * cpphash.h (TOKEN_NAME): New macro.
2035 (_cpp_spell_operator): Deleted.
2036 (token_spellings): Now _cpp_token_spellings.
2038 * cppexp.c: Use TOKEN_NAME or TYPE_NAME, not _cpp_spell_operator.
2039 * cpplex.c: Use OP and TK macros when expanding the
2040 TTYPE_TABLE. Eliminate token_names. For non-OPERATOR tokens,
2041 store the stringification of the enumeration name (CPP_CHAR,
2042 etc.) in the name slot of token_spellings.
2043 Use TOKEN_NAME and/or TOKEN_SPELL, do not reference
2044 token_spellings directly.
2045 * cpplib.c: Use TOKEN_SPELL.
2047 * cpplex.c (_cpp_push_token): If the token being pushed back
2048 is the previous token in this context, just subtract one from
2050 * cppmacro.c (save_expansion): Clear aux field when storing a
2053 2000-07-18 Jakub Jelinek <jakub@redhat.com>
2055 * cpplex.c (cpp_scan_buffer): Output line command even at the stop
2056 buffer, provided it is not NULL.
2058 2000-07-18 Alexandre Oliva <aoliva@redhat.com>
2060 * c-decl.c (duplicate_decls): Do not call make_var_volatile() in
2061 case of invalid volatile re-declaration.
2063 2000-07-18 Jakub Jelinek <jakub@redhat.com>
2065 * calls.c (store_arg): Return non-zero if sibcall_failure is desired.
2066 (expand_call): Adjust caller.
2068 2000-07-17 Gabriel Dos Reis <gdr@codesourcery.com>
2070 * diagnostic.h (report_diagnostic): Change prototype.
2072 * diagnostic.c (output_do_verbatim, diagnostic_for_asm,
2073 diagnostic_for_decl): Change prototype.
2074 (error_with_decl, warning_with_decl, pedwarn_with_decl, warning,
2075 error, warning, error_with_file_and_line,
2076 warning_with_file_and_line, pedwarn_with_file_and_line, fatal):
2077 Adjust call to report_diagnostic, diagnostic_for_decl.
2078 (error_for_asm, warning_for_asm): Adjust call to diagnostic_for_asm.
2079 (output_verbatim, verbatim): Adjust call to output_do_verbatim.
2081 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic. End
2082 varaible argument list.
2084 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
2086 * cpphash.c: Don't include hashtab.h. Most macro-handling code
2087 moved to cppmacro.c.
2088 (hash_HASHNODE, eq_HASHNODE, _cpp_dump_macro_hash,
2089 dump_hash_helper): Delete.
2090 (expand_hash, higher_prime_number, _cpp_lookup_with_hash,
2091 cpp_forall_identifiers): New. Implement specialized version of
2092 Vlad's expandable hash table.
2093 (cpp_lookup): Use new functions.
2094 (_cpp_init_macros, _cpp_cleanup_macros): Adjust for new
2096 * cppmacro.c: New file.
2097 * cppinit.c (dump_macros_helper): New.
2098 (cpp_finish): Iterate over the identifier table directly.
2099 * cpplex.c (parse_name): Calculate the hash of the identifier
2100 while we scan it. Use _cpp_lookup_with_hash when we can.
2102 * cpphash.h: Update prototypes.
2103 (xcnewvec, HASHSTEP): New helper macros.
2104 * cpplib.h: Update prototypes.
2105 * Makefile.in (LIBCPP_OBJS): Add cppmacro.o.
2106 (cppmacro.o): New rule.
2107 (cpphash.o): Update deps.
2109 * cppmain.c: Do not set pfile->printer if no_output is on.
2111 2000-07-15 Neil Booth <neilb@earthling.net>
2113 * cpplib.c: Change all directive-handler functions to return
2115 * cpphash.h: Update typedefs.
2117 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
2119 * configure: Regenerate.
2121 * extend.texi (Extended Asm): Mention that a memory clobber
2122 does not count as a side-effect.
2124 * unroll.c (copy_loop_body): Fix one instance of using host
2125 arithmetic on the target; fixes loop-4 on a 32-bit -> 64-bit
2128 * tlink.c (scan_linker_output): Tweak for output of AIX ld.
2130 2000-07-17 Richard Henderson <rth@cygnus.com>
2132 * config/ia64/ia64.md (movdi): Split out load address code.
2133 New post-reload splitter for symbolic operands.
2134 (movdi_internal): Abort if we didn't split symbolic operands
2135 when we should have.
2136 * config/ia64/ia64.c (ia64_expand_load_address): New, from movdi bits.
2137 (ia64_reorg): Split insns when not optimizing.
2138 * config/ia64/ia64-protos.h (ia64_expand_load_address): Declare.
2140 Mon Jul 17 23:43:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
2142 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Use LONG_DOUBLE_TYPE_SIZE
2143 instead of MAX_LONG_DOUBLE_TYPE_SIZE to decide output format.
2145 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
2147 * loop.c (check_dbra_loop) : Changed loop_continue to loop->cont.
2149 2000-07-17 Jason Merrill <jason@redhat.com>
2151 * Makefile.in (clean): Remove libgcc directory.
2153 * configure.in (-Wno-long-long check): Use higher-level macros.
2155 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
2157 * simplify-rtx.c (simplify_binary_operation): Recognize
2158 (compare (gt[u] (cc) 0) (lt[u] (cc) 0)).
2159 (simplify_ternary_operation): Do not examine MODE_BITSIZE of
2160 a CONST_INT, it will always be zero.
2162 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
2164 * loop.c (check_dbra_loop) : Return if more than one condition is
2165 present to control the loop.
2167 Mon Jul 17 08:26:35 2000 Clinton Popetz <cpopetz@cygnus.com>
2169 * mips.c (mips_expand_prologue): Don't calculate the last argument
2170 register unless we need it. When we are calculating this, make
2171 sure FUNCTION_ARG is giving us a REG.
2173 2000-07-17 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2175 * flow.c (libcall_dead_p): Use single_set to verify the insn
2176 has only one set and get for analysis.
2177 (propagate_one_insn): Don't pass the PATTERN of the insn.
2179 2000-07-17 Mark Klein <mklein@dis.com>
2181 * pa.c (emit_hpdiv_const): Update to match new pattern for udivsi3.
2183 2000-07-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2185 * Makefile.in (TARGET_GETGROUPS_T): New configuration variable.
2186 * configure.in (TARGET_GETGROUPS_T): Evaluate.
2187 * sys-protos.h (getgroups): Use TARGET_GETGROUPS_T for array type
2188 of second argument of getgroups.
2189 * configure, config.in: Rebuilt.
2191 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
2193 * simplify-rtx.c (simplify_relational_operation): Two signed
2194 values with equal high words are less/greater than each other if
2195 their low words are less/greater when considered as unsigned.
2197 Mon Jul 17 02:37:06 2000 Marc Espie <espie@openbsd.org>
2199 * configure.in (vax-*-openbsd): Change to new style configuration,
2200 add collect2/float_format information.
2201 * configure: Rebuilt.
2202 * config/vax/openbsd1.h: New.
2203 * config/vax/openbsd.h: New.
2204 * config/vax/t-openbsd: New.
2206 2000-07-17 Chip Salzenberg <chip@valinux.com>
2208 * c-common.c (shorten_compare): Quiet warnings about unsigned
2209 comparisons with zero when they occur in a system header.
2211 2000-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
2213 * invoke.texi (-pedantic): Refer to ISO C instead of ANSI C, and
2214 update to describe current practice.
2216 * glimits.h (LLONG_MIN, LLONG_MAX, ULLONG_MAX): Define for C99.
2218 * contrib.texi, cpp.texi, extend.texi, invoke.texi: Update
2219 references to C9X. Change references to -fstd and -flang-isoc9x
2222 * c-common.c (scan_char_table): Allow "z" length modifiers on
2224 (check_format_info): Use TYPE_DOMAIN on the type matched against
2225 for "z" formats, to retrieve the language size_t rather than the
2228 * c-common.c (check_format_info): Do not make a pedantic objection
2229 to the 'L' length modifier if used with a floating point type
2232 * c-lex.c (yylex): Don't pedwarn for hexadecimal floating point
2233 constants in C99 mode.
2235 2000-07-17 Kazu Hirata <kazu@hxi.com>
2237 * h8300.md: Fix the format of mac.
2238 (movsi_h8300hs): Output a tab after stmac instead of a space.
2240 * h8300.c (two_insn_adds_subs_operand): Improve code for detecting
2241 profitable adds/subs sequences.
2243 * fold-const.c: Fix comment typos.
2245 2000-07-16 Laurynas Biveinis <lauras@softhome.net>
2247 * cppfiles.c (read_name_map): Set map_list_ptr->map_list_map to NULL.
2249 2000-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2251 * fixinc/fixfixes.c (emit_gnu_type): Avoid string concatenation.
2253 2000-07-16 Neil Booth <NeilB@earthling.net>
2255 * cpplex.c: Update comments.
2256 * README.Portability: Small update.
2258 2000-07-16 Neil Booth <NeilB@earthling.net>
2260 * README.Portability: Small update.
2262 2000-07-15 Richard Henderson <rth@cygnus.com>
2264 * config/ia64/ia64-protos.h (ia64_move_ok): Prototype.
2265 * config/ia64/ia64.c (ia64_move_ok): New function.
2266 * config/ia64/ia64.md (movqi, movqi_internal): Use it.
2267 (movhi, movsi, movdi, movsf, movdf, movxf): Likewise.
2269 2000-07-15 Zack Weinberg <zack@wolery.cumb.org>
2271 * cpphash.c (save_expansion): Clear PREV_WHITE on tokens
2272 immediately following a paste operator.
2273 * cppinit.c (sort_options): New function (only for HOST_EBCDIC).
2274 (cpp_reader_init): Call it, if HOST_EBCDIC.
2275 (cpp_handle_options): Do not sort option list here.
2276 (handle_option): Rename to cpp_handle_option and export.
2277 * cpplex.c (cpp_scan_buffer_nooutput, cpp_scan_buffer): Use
2278 _cpp_get_token directly.
2279 (cpp_scan_line): Return 0 at EOF, 1 otherwise.
2280 * cpplib.c (cpp_push_buffer): Don't set new->lineno to 1.
2281 * cpplib.h: Prototype cpp_handle_option. Update prototype of
2284 2000-07-15 Richard Henderson <rth@cygnus.com>
2286 * fold-const.c (extract_muldiv): Don't optimize past an unsigned
2287 cast around an expression. Tidy other unsigned tests.
2289 2000-07-15 Gabriel Dos Reis <gdr@codesourcery.com>
2291 * diagnostic.c (doing_line_wrapping, line_wrapper_printf, notice,
2292 v_error_with_decl, v_warning_with_decl, v_pedwarn_with_decl): Remove.
2293 (v_message_with_decl): Rename to ...
2294 (format_with_decl): ... this. Tweak
2295 (diagnostic_for_decl): New function.
2296 (fatal_io_error): Use verbatim in lieu of notice.
2297 (announce_function): Use verbatim.
2298 (default_print_error_function): Likewise.
2299 (error_with_decl, warning_with_decl, pedwarn_with_decl): Use new
2302 2000-07-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2304 * mips.c (function_arg_pass_by_reference): Don't do automatic
2305 aggregate initialization.
2306 (machine_dependent_reorg): Initialize variable `mode'.
2308 * mips.md (absdi2): Change variable `regno1' to unsigned int.
2309 (reload_indi): Rename loword/hiword to lo_word/hi_word to avoid
2310 conflicts with sys/param.h macro of the same name.
2311 (reload_outdi): Likewise.
2313 2000-07-15 Michael Meissner <meissner@redhat.com>
2315 * fold-const.c (fold): When optimizing FOO++ == CONST into ++FOO
2316 == CONST + INCREMENT, don't overwrite the tree node for FOO++,
2317 create a new node instead.
2319 2000-07-15 Neil Booth <NeilB@earthling.net>
2321 * README.Portability: Correct example about calling a function
2322 through a pointer to function. Format wide paragraphs.
2324 2000-07-15 Michael Meissner <meissner@redhat.com>
2326 * README.Portability: Update integer suffixes and function
2329 2000-07-15 Neil Booth <NeilB@earthling.net>
2331 * README.Portability: Small update.
2333 2000-07-15 Neil Booth <NeilB@earthling.net>
2335 * README.Portability: New file.
2337 Fri Jul 14 18:13:53 2000 Mark P Mitchell <mark@codesourcery.com>
2339 * INSTALL: Give special instructions for building GCC on Irix 6.
2340 * config/mips/x-iris6 (CC): Don't set it.
2343 2000-07-14 Jason Merrill <jason@redhat.com>
2345 * dwarf2out.c (dwarf2out_frame_debug_expr): If we store the CFA
2346 register in the stack and later in another register, use the new
2349 Fri Jul 14 10:25:53 2000 Clinton Popetz <cpopetz@cygnus.com>
2351 * config/mips/mips.md: (absdi2): Handle sign_extend for
2354 2000-07-14 Nathan Sidwell <nathan@codesourcery.com>
2356 * cpplib.c (do_pragma_dependency): Tidy warning messages.
2358 2000-07-14 Zack Weinberg <zack@wolery.cumb.org>
2360 * .cvsignore: Correct typo.
2362 2000-07-13 Mark Mitchell <mark@codesourcery.com>
2364 * .cvsignore: Add generated YACC files.
2365 * objc/.cvsignore: New file.
2367 2000-07-14 Neil Booth <NeilB@earthling.net>
2369 * cpplex.c (adjust_column): New funcion.
2370 (skip_whitespace): Use it.
2371 (skip_block_comment): Use it, and warn about /*/* with
2374 2000-07-14 Neil Booth <NeilB@earthling.net>
2376 * cpphash.c (struct macro_info): Add new members.
2377 (_cpp_free_definition): Delete the macro directly.
2378 (count_params): Return void, with first token of
2379 expansion in struct macro_info on success.
2380 (parse_define): Return int. Hoist syntax checking from
2381 save_macro_expansion. Leave call to save_expansion to
2382 _cpp_create_definition.
2383 (alloc_macro): Needs just 2 arguments.
2384 (free_macro): Delete.
2385 (save_expansion): Don't perform syntax check.
2386 (_cpp_create_definition): Call save_expansion.
2388 2000-07-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2390 * genrecog.c (write_header): Split long string.
2392 * cpphash.c (macro_info): Don't use the `signed' keyword.
2394 * system.h (alloca): Prototype if __GNUC__ && __SIZE_TYPE__.
2396 2000-07-13 Jakub Jelinek <jakub@redhat.com>
2398 * calls.c (stored_args_map): New variable.
2399 (check_sibcall_argument_overlap_1): New.
2400 (check_sibcall_argument_overlap): New.
2401 (expand_call): Initialize stored_args_map.
2402 Call check_sibcall_argument_overlap.
2404 2000-07-13 Bruce Korb <bkorb@gnu.org>
2406 * fixinc/fixfixes.c: move EXIT_BROKEN to header, add sub-expr max count
2407 (emit_gnu_type): utility procedure for gnu_type_fix
2408 (gnu_type_fix): implement various pre-processor guards around
2409 standard types so these types can be defined over and over
2410 * fixinc/fixincl.tpl: add a "gnu_type_map" that forces the standard
2411 types alluded to above will have GNU-compliant base types
2412 * fixinc/fixlib.h: add EXIT_BROKEN define and the gnu_type_map struct
2413 * fixinc/inclhack.def: add test_text entries and utilize the new
2414 "gnu_types" fix for the ptrdiff_t, size_t and wchar_t types.
2415 * fixinc/fixincl.x: regenerate
2417 2000-07-12 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
2419 * diagnostic.c (vline_wrapper_message_with_location,
2420 v_message_with_file_and_line, v_error_with_file_and_file,
2421 v_error_for_asm, v_warning_for_asm, vfatal,
2422 v_warning_with_file_and_line, v_pedwarn_with_file_and_line,
2423 vsorry, verror, vwarning, vpedwarn): Remove.
2424 (diagnostic_for_asm): New function.
2425 (pedwarn, error, warning, pedwarn_with_file_and_line,
2426 error_with_file_and_line, warning_with_file_and_line, sorry,
2427 error_for_asm, warning_for_asm, fatal): Reimplement.
2428 (finish_diagnostic): Clear diagnostic info as well.
2430 2000-07-13 Neil Booth <NeilB@earthling.net>
2432 * c-common.h (flag_digraphs): New.
2433 * c-decl.c (c_decode_option): Set flag_digraphs as appropriate.
2434 * c-lex.c (yylex): Use flag_digraphs to decide whether to
2437 2000-07-13 Zack Weinberg <zack@wolery.cumb.org>
2439 * gcc.c (do_spec_1): Add new %B operator.
2440 (set_input): Prepare for %B.
2442 (link_command_spec): Move up with the other tm.h-
2443 overrideable specs. Factor out the portion conditional on
2444 LINK_LIBGCC_SPECIAL into a new spec, %(link_libgcc).
2445 (struct compiler): Just have a single spec string. All users
2447 (default_compilers): Remove unnecessary braces.
2448 (static_specs): Update.
2450 (trad_capable_cpp, cpp_options, cc1_options, asm_options): New
2452 (C and assembly specs): Use the new named specs, as appropriate.
2454 * objc/lang-specs.h: Use the new named specs.
2455 Remove unnecessary braces.
2457 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
2459 * gcc.c (execute): If a subprocess gets a fatal signal, report
2460 strsignal() of the signal number, and ask for a bug report.
2461 Do not do this for SIGPIPE if there's already been an error.
2463 * tradcpp.c: Don't include signal.h. Don't catch SIGPIPE.
2466 * tradcif.c: Remove.
2468 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
2470 * final.c (profile_function): Do not emit profile counters in
2471 the data section, if NO_PROFILE_COUNTERS is defined.
2472 * tm.texi: Document NO_PROFILE_COUNTERS. Update doc for
2475 * config/i386/linux.h (NO_PROFILE_COUNTERS): Define.
2476 (FUNCTION_PROFILER): Just emit a call to mcount.
2478 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
2480 * tradcpp.c (main): Rename 'perror' label to 'sys_error'.
2482 * cppexp.c, cpphash.c, cpphash.h, cppinit.c, cpplex.c,
2483 cpplib.c, cpplib.h: Eradicate all traces of code dependent on
2484 traditional, lang_chill, or lang_fortran.
2486 * cppfiles.c: #undef strcmp to suppress warning about macros
2487 used without arguments.
2488 (_cpp_execute_include): Use f, not fname, in "No include path"
2490 (_cpp_pop_file_buffer): New function.
2491 * cpplib.c: Don't include <sys/mman.h>.
2492 (cpp_push_buffer): Set line_base and lineno in new buffer.
2493 (cpp_pop_buffer): Use _cpp_pop_file_buffer.
2495 * cpplex.c: Move all prototypes and structure declarations to the
2496 top of the file. Properly parenthesise some macro arguments.
2497 (cpp_scan_line): New function.
2498 (special_symbol [case T_INCLUDE_DEPTH]): Use pfile->include_depth,
2499 don't need to walk up the stack counting.
2501 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2503 * c-common.c (combine_strings): Emit a pedantic warning when a
2504 string length is greater than the minimum ANSI C is required
2507 Wed Jul 12 13:24:30 2000 Jeffrey A Law (law@cygnus.com)
2509 * pa/xm-pa64.h (NO_SYS_SIGLIST): Kill.
2510 * d30v/xm-d30v.h (NO_SYS_SIGLIST): Kill.
2512 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2514 * c-decl.c (define_label): Warn about identifier conflicts with
2515 labels in traditional C.
2517 * c-parse.in (unop +): Warn about the unary plus operator for
2520 * c-typeck.c (store_init_value): Warn about automatic aggregate
2521 initialization for traditional C.
2523 * invoke.texi (-Wtraditional): Document new warnings.
2525 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
2527 * Makefile.in (c-errors.o): Fix thinko in dependency.
2529 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
2531 * gcc.c (C specs [!USE_CPPLIB]): Invoke tradcpp if any of
2532 -traditional, -ftraditional, or -traditional-cpp was given.
2533 Do not pass -traditional to the preprocessor.
2534 (.S spec): Likewise. Don't bother defining __ASSEMBLER__, the
2535 preprocessor does it automatically.
2536 * objc/lang-specs.h: Likewise. Don't bother defining __OBJC__.
2538 * ch/lang-specs.h: Always use tradcpp. Do not pass
2539 -traditional, -trigraphs, or -pedantic to the preprocessor.
2540 * f/lang-specs.h (.F spec): Likewise. Don't bother defining
2543 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
2545 * cppexp.c (LOGICAL): Delete macro.
2546 (_cpp_parse_expr): Do not use UNARY for unary +. Implement ||
2549 * cpphash.c (HASHSIZE): Increase to 4096.
2550 (struct hashdummy): Add hash field.
2551 (eq_HASHNODE): Compare unreduced hashes, then lengths, then
2552 the string values using memcmp.
2553 (cpp_lookup): Set dummy.hash.
2555 Wed Jul 12 13:15:16 2000 Marc Espie <espie@openbsd.org>
2557 * configure.in (m88k-openbsd): Express configuration using new fragment
2559 * configure: Rebuilt.
2560 * m88k/aout-dbx.h: New.
2561 * m88k/openbsd.h: New.
2562 * m88k/xm-openbsd.h: New.
2564 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2566 * expr.c (expand_expr): Return const0_rtx, not error_mark_node.
2568 2000-07-12 Richard Henderson <rth@cygnus.com>
2570 * reload.c (push_secondary_reload): Make sure to add the new
2571 reload at the end, after acquiring secondary memory.
2573 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2575 * cpplex.c (is_macro_disabled): Use CPP_WTRADITIONAL.
2577 * c-decl.c (set_current_function_name_declared, anon_aggr_type_p,
2578 lang_expand_stmt): Mark parameters with ATTRIBUTE_UNUSED.
2580 * c-parse.in (stmt): Delete unused variables.
2582 * convert.c (convert_to_vector): Likewise.
2584 * gensupport.c (process_rtx): Declare attr as `rtvec' not `rtx'.
2586 * tree.c (finish_vector_type): Prototype.
2588 2000-07-12 Bruce Korb <bkorb@gnu.org>
2590 * fixinc/fixfixes.c: use xmalloc
2591 * fixinc/fixincl.c(initialize): set program name for xmalloc
2592 * fixinc/fixlib.c(must_malloc): obsolete
2593 (is_cxx_header): no longer used - disabled
2594 (skip_quote): inserted and disabled for future use
2595 * fixinc/fixlib.h: reflects above
2596 * fixinc/fixtests.c: removed dinkleberries
2598 2000-07-12 Neil Booth <NeilB@earthling.net>
2600 * cpphash.h: (TOKEN_SPELL) Pulled from cpplex.c.
2601 * cpplex.c (TOKEN_SPELL) Move to cpphash.h.
2603 * cpphash.c: (struct macro_info, alloc_macro, free_macro,
2604 struct toklist_dummy): New.
2605 (cpp_free_definition): Free macros with free_macro.
2606 (count_params): Don't save paramter spellings. Save macro
2607 information in a struct macro_info.
2608 (parse_define): Don't allocate a token list.
2609 (save_expansion): Allocate the macro's token list, and
2610 save parameter spellings if necessary. Use TOKEN_SPELL.
2611 (cpp_create_definition): Make list const.
2613 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
2615 * c-typeck.c (pedwarn_c99): Move to
2616 * c-errors.c: ... Here.
2617 * toplev.h (verror, vwarning, vpedwarn): Remove prototypes.
2618 * diagnostic.c (verror, vwarning, vpedwarn): Make static.
2619 * Makefile.in (C_AND_OBJC_OBJS): Include c-errors.o
2620 (c-errors.o): List dependency.
2622 2000-07-12 Mark Mitchell <mark@codesourcery.com>
2624 * c-parse.c: Remove.
2625 * c-parse.h: Likewise.
2626 * c-parse.y: Likewise.
2627 * objc/objc-parse.c: Likewise.
2628 * objc/objc-pasre.y: Likewise.
2630 2000-07-11 Rodney Brown <RodneyBrown@pmsc.com>
2632 * gcc.texi: Fix minor typos
2633 * extend.texi: Fix minor typos
2635 2000-07-11 Marc Espie <espie@openbsd.org>
2637 * collect2.c (main): Recognize .lo as object files.
2639 2000-07-11 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2641 * pa.c (hppa_encode_label): Store labels in gc memory when ggc_p is
2644 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Extend test to detect systems
2645 with MAP_ANONYMOUS and MAP_ANON.
2646 * configure, config.in: Rebuilt.
2648 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
2650 * diagnostic.c (save_output_state): Remove.
2651 (restore_output_state): Likewise.
2652 (clear_text_info): New function.
2653 (clear_diagnostic_info): Likewise.
2654 (output_text_length, is_starting_newline, output_prefix,
2655 line_wrap_cutoff, ideal_line_wrap_cutoff, prefix_was_emitted_for,
2656 prefixing_policy, output_buffer_ptr_to_format_args): New macros
2657 (set_real_maximum_length, output_set_maximum_length,
2658 output_set_prefix, output_get_prefix, output_set_maximum_length,
2659 output_destroy_prefix, init_output_buffer,
2660 reshape_diagnostic_buffer, output_space_left, output_emit_prefix,
2661 output_add_newline, output_add_character, output_add_space,
2662 output_append_r, output_append, wrap_text, output_format,
2663 output_do_printf, output_printf, output_do_verbatim,
2664 output_verbatim, verbatim): Use them.
2665 (output_clear): Split into cleat_text_info and
2666 clear_diagnostic_info.
2667 (struct output_state): Move to...
2669 * diagnostic.h: ...Here
2670 (struct output_buffer): Adjust.
2672 2000-07-11 Zack Weinberg <zack@wolery.cumb.org>
2674 * cpplex.c (parse_name): No longer inline (premature optimization).
2675 (do_pop_context): Fold into pop_context.
2676 (pop_context): Returns int.
2677 (lex_next): Hoist test for end of directive into pop_context.
2678 (push_macro_context): Returns int; takes just reader and token.
2679 Hoist test for excessive nesting to caller.
2680 (push_arg_context): Returns void; takes just reader and token.
2681 Do not call stringify_arg or get_raw_token.
2682 (get_raw_token): Convert tail recursion through push_arg_context
2683 to a loop at this level. Call stringify_arg here if appropriate.
2684 (maybe_paste_with_next): Convert tail recursion to a while loop.
2685 Hoist test of paste_level to caller.
2687 (stringify_arg): Push arg context at beginning.
2688 (cpp_get_token): Split out core into _cpp_get_token. Call
2689 process_directive here. Throw away CPP_PLACEMARKER tokens.
2690 (_cpp_get_token): Convert tail recursion through
2691 push_macro_context to a loop at this level.
2692 (_cpp_glue_header_name, is_macro_disabled, stringify_arg,
2693 _cpp_get_raw_token): Use _cpp_get_token.
2694 (_cpp_skip_rest_of_line): Drop the context stack directly; do
2695 not call pop_context.
2696 (_cpp_run_directive): Call lex_next directly.
2698 * cpphash.h: Prototype _cpp_get_token.
2699 * cppexp.c (lex): Use it.
2700 * cpphash.c (parse_define): Use it.
2701 * cpplib.c (get_define_node, do_undef, parse_include,
2702 read_line_number, do_line, do_ident, do_pragma, do_pragma_gcc,
2703 do_pragma_implementation, do_pragma_poison, do_pragma_dependency,
2704 parse_ifdef, validate_else): Use it.
2705 (cpp_push_buffer): Tweak error message; abort if anyone tries
2706 to push a buffer while macro expansions are stacked.
2708 2000-07-11 Donn Terry <donnte@microsoft.com>
2710 * cpplex.c (free_macro_args, save_token): Cast arg of free
2711 and/or xrealloc to PTR.
2712 (_cpp_init_input_buffer): Clear all fields of the base context.
2714 Tue Jul 11 15:28:21 CDT 2000 Clinton Popetz <cpopetz@cygnus.com>
2716 * gensupport.c (process_rtx): Make rtl checking stop
2717 complaining about the define_insn while it is being
2718 converted from a define_insn_and_split.
2720 Tue Jul 11 16:26:17 2000 Clinton Popetz <cpopetz@cygnus.com>
2722 * config/mips/mips.c (simple_memory_operand): Access the
2723 INTVAL of the address, not it's containing MEM.
2725 2000-07-11 Bruce Korb <bkorb@gnu.org>
2727 * fixinc/fixtests.c(double_slash): obsolete
2728 (else_endif_label): likewise
2729 * fixinc/inclhack.def(irix_multiline_cmnt): obsolete
2730 (libc1_ifdefd_memx): correct initial comment
2731 and omit the #if/#endif pair from the memxxx declarations
2732 * fixinc/fixincl.x: regen
2734 2000-07-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2736 * cpplex.c (T, I, S, C, N): Avoid non-constant initializers.
2738 2000-07-11 Neil Booth <NeilB@earthling.net>
2742 2000-07-11 Neil Booth <NeilB@earthling.net>
2744 * cppinit.c: (cpp_reader_init): Allow digraphs by default.
2745 (handle_option): Set digraphs according to standard.
2746 Merge OPT_lang_c89 handler with OPT_std_c89.
2748 * cpplex.c: (lex_line, can_paste): Honour digraphs in
2749 accordance with the digraphs flag.
2751 * cpplib.h: (struct cpp_options): New option digraphs.
2753 2000-07-10 Hans-Peter Nilsson <hp@axis.com>
2754 Bruce Korb <bkorb@gnu.org>
2756 * fixinc/inclhack.def (libc1_ifdefd_memx): New fix.
2757 * fixinc/fixincl.x: Regenerate.
2758 * fixinc/tests/base/testing.h: Add testcase.
2760 2000-07-10 Richard Henderson <rth@cygnus.com>
2762 * config/ia64/ia64.c (got_symbolic_operand): New.
2763 (symbolic_operand, move_operand): Revert 0701 change.
2764 * config/ia64/ia64.h (PREDICATE_CODES): Update.
2765 * config/ia64/ia64-protos.h (got_symbolic_operand): Declare.
2766 * config/ia64/ia64.md (movdi): Revert 0701 wrt symbolic_operand;
2767 split the offset into a 14-bit low part instead of a 13-bit low part.
2768 (load_fptr): Mark the mem as unchanging.
2769 (load_symptr): Use got_symbolic_operand.
2771 2000-07-10 Nick Clifton <nickc@cygnus.com>
2773 * libgcc2.c (next_stack_level): Cast result of computation to
2774 (void **) so that the assignment does not generate a warning.
2776 2000-07-10 Chandrakala Chavva <cchavva@redhat.com>
2778 * flags.h : Add new variable flag_single_precision_constant.
2779 * toplev.c (display_help) : Add -fsingle-precision-constant option.
2780 (flag_single_precision_constant): New.
2781 * c-lex.c (yylex): Convert floating point constant to single
2783 * invoke.texi : Add documentation for this new option.
2785 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
2787 * diagnostic.c (output_octal): Second parameter is unsigned.
2788 (output_long_octal): Likewise.
2789 (output_hexadecimal): Likewise.
2790 (output_long_hexadecimal): Likewise.
2791 (output_format): Adjust arguments extraction. Tweak.
2792 (output_verbatim, verbatim): End variable argument list.
2793 (report_diagnostic): Improve documentation.
2795 2000-07-10 Benjamin Chelf <chelf@codesourcery.com>
2797 * c-common.h (build_stmt): Declare.
2798 (build_continue_stmt): Likewise.
2799 (build_break_stmt): Likewise.
2800 (build_return_stmt): Likewise.
2802 * c-decl.c (do_case): Rewrite to do what previously done in
2805 * c-semantics.c (build_stmt): Define.
2806 (build_return_stmt): Likewise.
2807 (build_break_stmt): Likewise.
2808 (build_continue_stmt): Likewise.
2809 (build_case_label): Likewise.
2811 * c-parse.in (BREAK): Change to build tree, then generate RTL.
2812 (CONTINUE): Likewise.
2815 (DEFAULT): Likewise.
2817 * c-parse.y: Regenerate.
2818 * c-pasre.c: Likewise.
2820 2000-07-09 Jason Merrill <jason@redhat.com>
2822 * expr.c (expand_expr): Bail earlier if we get an error_mark_node.
2824 * tree.h (STRIP_NOPS): Check for error_mark_node.
2825 (STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Likewise.
2826 (dwarf2out_*): Remove duplicate declarations.
2828 * c-decl.c (duplicate_decls): Copy DECL_ABSTRACT_ORIGIN from
2829 DECL_ABSTRACT_ORIGIN, not DECL_ORIGIN.
2831 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
2833 * diagnostic.c (wrap_text): New function.
2834 (maybe_wrap_text): Likewise.
2835 (output_add_string): Use it.
2836 (output_format): Likewise.
2837 (count_error): Use verbatim instead of notice.
2838 (report_error_function): Likewise. Don't use plain fprintf.
2839 (finish_diagnostic): New function.
2840 (output_do_verbatim): Tweak. Commonalize functionalities in
2841 output_verbatim and verbatim.
2842 (output_verbatim): Adjust.
2843 (verbatim): Likewise.
2844 (report_diagnostic): Define.
2846 * diagnostic.h (report_diagnostic): Prototype.
2848 2000-07-09 Zack Weinberg <zack@wolery.cumb.org>
2850 * cppexp.c (_cpp_parse_expr): Don't use unary plus.
2852 2000-07-09 Neil Booth <NeilB@earthling.net>
2854 * cpphash.h: ISvspace, is_vspace, is_nvspace: New.
2855 IShspace, ISspace: Update.
2857 * cppinit.c: ISTABLE: Update.
2860 * cpplex.c (IS_HSPACE, S_NEWLINE): Remove.
2861 (IS_DIRECTIVE): Rename KNOWN_DIRECTIVE.
2862 (skip_block_comment, skip_line_comment, parse_string,
2863 lex_line): Use is_vspace rather than IS_NEWLINE.
2864 (skip_whitespace, lex_line): Clean up to use is_nvspace.
2865 (lex_line): Use KNOWN_DIRECTIVE. Any kind of directive
2867 (lex_next): Unconditionally stop if within a directive.
2868 Treat directives within macro invocations as directives
2869 (after parse_args emits error), not as the argument.
2871 2000-07-09 Gabriel Dos Reis <gdr@codesourcery.com>
2873 * diagnostic.c (diagnostic_args): New macro.
2874 (diagnostic_msg): Likewise.
2875 (output_formatted_integer): Likewise.
2876 (output_state): New data type.
2877 (digit_buffer): Make global.
2878 (output_add_integer): Rename to output_decimal. Squeeze
2880 (output_long_decimal, output_unsigned_decimal,
2881 output_long_unsigned_decimal, output_octal, output_long_octal,
2882 output_hexadecimal, output_long_hexadecimal): New functions.
2883 (output_append_r): New function.
2884 (output_append): Tweak.
2885 (output_flush_on): Rename to output_to_stream.
2886 (output_format): Change prototype. Improve documentation. Handle
2887 more format specifiers.
2888 (build_location_prefix): Rename to context_as_prefix.
2889 (output_notice): Rename to output_do_printf.
2890 (output_printf): Tweak.
2891 (line_wrapper_printf): Likewise.
2892 (vline_wrapper_message_with_location): Adjust call to renamed
2894 (v_message_with_decl): Likewise.
2895 (default_print_error_function): Likewise.
2896 (save_output_state): New function.
2897 (restore_output_state): Likewise.
2898 (output_do_verbatim): Likewise.
2899 (output_verbatim): Define.
2900 (verbatim): Likewise.
2902 * diagnostic.h (printer_fn): Change return type from void to int.
2903 Improve documentation.
2904 (output_add_integer): Rename to output_decimal.
2905 (output_flush_on, output_format): Don't export.
2906 (output_verbatim, verbatim): Declare.
2908 2000-07-08 Toon Moene <toon@moene.indiv.nluug.nl>
2910 * fold-const.c (extract_muldiv) case PLUS_EXPR, MINUS_EXPR:
2911 Check whether c divides op1 exactly if operation is not
2914 2000-07-08 Richard Henderson <rth@cygnus.com>
2916 * final.c (final): Do not abort when reg-stack introduces
2919 2000-07-08 Zack Weinberg <zack@wolery.cumb.org>
2921 * cpplib.h (struct cpp_name): Now struct cpp_string.
2922 (CPP_INT, CPP_FLOAT, CPP_NUMBER, CPP_COMMENT,
2923 CPP_HEADER_NAME): Change to type S.
2924 (struct cpp_token): Rename 'name' field to 'str'. Add 'node'
2925 field, a cpp_hashnode *. All references to val.name updated
2926 to use val.str or val.node as appropriate.
2927 (struct cpp_reader): Add spec_nodes field.
2928 (cpp_idcmp): Now cpp_ideq; takes a token * and a char *.
2930 * cpphash.h (struct spec_nodes): New.
2931 (enum spell_type): Reorder. Only SPELL_STRING tokens use
2932 val.str. All references to 'spelling > SPELL_NONE' updated to
2935 (CPP_IN_SYSTEM_HEADER): Check pfile->buffer and
2936 pfile->buffer->inc are not NULL before dereferencing them.
2938 * cpplex.c (parse_name): Take a pointer to the current token,
2939 plus current position and limit as args; return the new
2940 position; don't copy the text of a name into the string
2941 buffer, instead call cpp_lookup and store the node pointer.
2942 If extending a token, copy out the text of the old into a
2943 scratch buffer, append the new, look that up and store the new
2944 node pointer. Inline.
2945 (maybe_paste_with_next): If the result of paste is a NAME,
2946 then look up the pasted text and store its node pointer.
2947 (lex_line): Adjust for new parse_name interface.
2948 Check for L"str", L'str' using spec_nodes->n_L.
2949 (spell_token): SPELL_IDENT tokens have their spelling in
2950 val.node->name. Handle SPELL_STRING tokens that don't have
2952 (_cpp_expand_name_space,
2953 (can_paste): Check for L ## "str" using spec_nodes->n_L.
2954 (cpp_get_token, special_symbol): No need to call cpp_lookup.
2955 (cpp_idcmp): Now cpp_ideq; take a token * and a const char *;
2956 return 1=equal 0=not, not a tristate.
2958 * cpphash.c (var_args_str): Delete.
2959 (find_param): Compare node fields directly.
2960 (is__va_args__): Use CPP_PEDANTIC. Just compare
2961 token->val.node with spec_nodes->n__VA_ARGS__.
2962 (dump_funlike_macro): Don't use var_args_str.
2964 * cpplib.c (_cpp_check_directive): Just walk through
2965 spec_nodes->dirs comparing pointers.
2966 (get_define_node, do_pragma_poison, detect_if_not_defined,
2967 parse_ifdef): The identifier has already been looked up.
2968 (do_ifdef, do_ifndef): parse_ifdef won't return a poisoned
2970 (do_if): Only call detect_if_not_defined at beginning of file.
2971 (_cpp_parse_assertion): Only copy string pointers for
2972 SPELL_STRING tokens.
2973 (pragma_dispatch): Take a node pointer and examine its name
2975 (_cpp_init_stacks): Also initialize the spec_nodes structure.
2977 * cppinit.c (cpp_reader_init): Call _cpp_init_stacks after
2979 (cpp_cleanup): Free pfile->spec_nodes. Call _cpp_cleanup_* in
2980 reverse order from the corresponding _cpp_init_* routines.
2982 * cppexp.c (parse_number, parse_charconst, parse_defined,
2983 lex): Check val.node->type instead of calling cpp_defined.
2984 Use spec_nodes entries where appropriate.
2986 * fix-header.c, scan-decls.c: Update for interface changes.
2988 2000-07-08 Geoffrey Keating <geoffk@cygnus.com>
2990 * config/rs6000/rs6000.c (rs6000_emit_move): Fix conditions for
2991 emitting aux_truncdfsf2.
2993 2000-07-03 Donn Terry (donnte@microsoft.com)
2995 * cppinit.c (print_help): split overlong line into ISO C89
2998 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
3000 * cppexp.c: Update all code for new lexer interface.
3001 (op_t, operator codes, struct token, tokentab2, op_to_str): Remove.
3002 (struct suffix, vsuf_1, vsuf_2, vsuf_3, op_to_prio): New.
3003 * cpplex.c (token_names): Trim leading CPP_ from names; make
3004 the strings unsigned.
3005 (_cpp_spell_operator): New.
3006 (is_macro_disabled): Disable all macros if rescanning
3008 (_cpp_get_directive_token): Remove.
3010 * cppinit.c: Don't set no_macro_expand.
3011 * cpplib.c (read_line_number, do_line): Check only for EOF,
3013 * cpphash.h: Update prototypes.
3014 * cpplib.h (CPP_VSPACE): Remove.
3015 (struct cpp_reader): Remove no_macro_expand.
3017 2000-07-08 Neil Booth <NeilB@earthling.net>
3019 * cpphash.c (is__va_args__): New function.
3020 (count_params): Fix line reported in error messages. Use
3021 is__va_args__. Don't return ')' on error. Flag GNU style
3022 rest args macro definitions.
3023 (parse_define): Check macro name is not __VA_ARGS__.
3024 (save_expansion): Check identifier in non-varargs-macro is
3025 not __VA_ARGS__. Don't flag GNU_VARARGS.
3026 * cpplex.c (parse_args): Accept no argument iff GNU_REST_ARGS.
3027 (maybe_paste_with_next): Use per-macro GNU_REST_ARGS rather
3028 than per-token GNU_VARARGS.
3029 * cpplib.h (GNU_VARARGS): Remove.
3030 (GNU_REST_ARGS): New.
3032 Sat Jul 8 01:38:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
3034 * i386.md (call_pop, call, call_value_pop): Do not set
3035 current_function_uses_pic_offset_table for calls to static
3036 functions or indirect calls.
3038 2000-07-07 Jim Wilson <wilson@cygnus.com>
3040 * config/ia64/ia64.c (rws_access_reg): New local write_count. If
3041 is_predicate_reg, then take max write_count of register pair.
3043 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3045 * tradcpp.c (main): Rename label `include' to `add_include' to
3046 avoid conflicts with variable `include' in traditional C.
3048 2000-07-07 Jakub Jelinek <jakub@redhat.com>
3050 * integrate.c (copy_insn_list): Remove REG_LABEL notes.
3052 2000-07-07 Jakub Jelinek <jakub@redhat.com>
3054 * sibcall.c (uses_addressof): Add INMEM argument, check for
3055 current_function_internal_arg_pointer outside of MEM rtxs in addition
3057 (sequence_uses_addressof): Update caller.
3059 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
3061 * tradcpp.c (initialize_builtins): Honor NO_BUILTIN_SIZE_TYPE
3064 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3066 * system.h (UNION_INIT_ZERO): New macro for initializing union
3069 * cpplex.c (placemarker_token, eof_token): Use UNION_INIT_ZERO.
3071 2000-07-07 Neil Booth <NeilB@earthling.net>
3075 Fri Jul 7 07:47:35 2000 Jeffrey A Law (law@cygnus.com)
3077 * final.c (final): Detect out of bounds array access to
3078 the insn_lengths array.
3080 2000-07-07 Kazu Hirata <kazu@hxi.com>
3082 * fold-const.c (fold): Fix a comment typo.
3084 2000-07-07 Neil Booth <NeilB@earthling.net>
3086 * cpp.texi: Update to new lexer.
3088 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
3090 * tradcpp.c: New file.
3091 * tradcif.y: New file.
3092 * tradcif.c: New generated file.
3094 * Makefile.in: Add rules to build tradcpp.o, tradcif.o,
3095 $(srcdir)/tradcif.c. Add tradcpp to STAGESTUFF and
3096 dependencies of C. Install tradcpp from install-common, in
3099 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
3101 * cppinit.c: Include cppdefault.h. Refer to
3102 cpp_GCC_INCLUDE_DIR and cpp_GCC_INCLUDE_DIR_len, not directly
3103 to GCC_INCLUDE_DIR and its length.
3104 (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
3105 USER_LABEL_PREFIX, REGISTER_PREFIX, struct default_include,
3106 STANDARD_INCLUDE_DIR, STANDARD_INCLUDE_COMPONENT): Move to
3108 (include_defaults_array): Move to cppdefault.c.
3110 * cppdefault.h: New file.
3111 * cppdefault.c: New file.
3113 * Makefile.in (LIBCPP_OBJS): Add cppdefault.o.
3114 (cppinit.o): Don't apply $(PREPROCESSOR_DEFINES) to this file.
3115 (cppdefault.o): New rule; apply $(PREPROCESSOR_DEFINES) to
3118 Thu Jul 6 18:30:36 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3120 * reload.c (push_reload): When seeing if can reuse a register,
3121 check extra registers against widest of INMODE and OUTMODE.
3123 2000-07-06 Neil Booth <NeilB@earthling.net>
3125 * cpplib.c: (_cpp_parse_assertion): Perform hash lookups
3126 based on full length of predicate.
3128 2000-07-06 Hans-Peter Nilsson <hp@axis.com>
3130 * timevar.c: [HAVE_SYS_RESOURCE_H]: Include <sys/resource.h>.
3131 [NEED_DECLARATION_GETRUSAGE]: Declare getrusage.
3133 2000-07-05 Kazu Hirata <kazu@hxi.com>
3135 * h8300-proto.h: Fix formatting.
3136 * h8300.c: Likewise.
3137 * h8300.h: Likewise.
3139 2000-07-05 Jim Wilson <wilson@cygnus.com>
3141 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): If FR_REGNO_P, disallow
3144 2000-07-05 Rodney Brown <RodneyBrown@pmsc.com>
3146 * invoke.texi: Fix minor typos
3147 * md.texi: Fix minor typos
3149 2000-07-05 Zack Weinberg <zack@wolery.cumb.org>
3151 * cpplib.c (_cpp_parse_assertion): Fix buffer overrun.
3153 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
3155 * cpplex.c: Don't include sys/mman.h.
3156 (cpp_push_buffer, cpp_pop_buffer): Moved to cpplib.c.
3158 * cpplib.c: Include sys/mman.h and obstack.h.
3159 (cpp_push_buffer): Moved from cpplex.c; allocate buffers on an
3161 (cpp_pop_buffer): Moved from cpplex.c; free buffers from an obstack.
3162 (_cpp_unwind_if_stack): Now static, unwind_if_stack. Don't
3163 bother freeing if stack entries (they will be freed with their buffer).
3164 (do_endif): Free if stack entries from the buffer obstack.
3165 (push_conditional): Allocate if stack entries from the buffer obstack.
3167 (find_answer): Rename to _cpp_find_answer.
3168 (do_assert, do_unassert): Update.
3170 * cpphash.h: Update prototypes.
3171 (xobnew): New convenience macro.
3172 * cpplib.h (struct cpp_reader): Add hash_ob and buffer_ob fields.
3174 (struct cpp_hashnode): Remove disabled field.
3176 * cppinit.c: Don't include hashtab.h or splay-tree.h.
3177 (report_missing_guard): Moved to cppfiles.c.
3178 (cpp_reader_init): Call cpp_init_stacks, cpp_init_macros,
3180 (cpp_cleanup): Call cpp_cleanup_stacks, cpp_cleanup_macros,
3181 cpp_cleanup_includes. Don't destroy hashtab or
3182 all_include_files here.
3183 (cpp_finish): Use _cpp_report_missing_guards.
3185 * cppfiles.c (report_missing_guard): Moved from cppinit.c.
3186 (_cpp_init_include_table): Rename _cpp_init_includes.
3187 (_cpp_cleanup_includes, _cpp_report_missing_guards): New.
3189 * cppexp.c (parse_assertion): Update for new name of
3192 * Makefile.in (cpplib.o, cpphash.o, cppinit.o): Update deps.
3194 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
3196 * cpplib.c (do_ident): s/VSPACE/EOF/
3198 2000-07-05 Neil Booth <NeilB@earthling.net>
3200 * cpplex.c: Fix trigraph replacement within strings.
3202 2000-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3204 * rs6000/aix.h (ASM_GENERATE_INTERNAL_LABEL): Fix format specifier.
3206 * xcoffout.c (assign_type_number): Constify.
3207 (xcoffout_source_file): Add static prototype. Don't needlessly
3208 cast away const-ness.
3210 2000-07-04 Jason Merrill <jason@redhat.com>
3212 * frame.h (frame_state): Move base_offset to end.
3214 Mon Jul 3 21:31:43 2000 Clinton Popetz <cpopetz@cygnus.com>
3216 * calls.c (emit_library_call_value_1): Revert previous change.
3218 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
3220 * fix-header.c (struct partial_proto): Remove unnecessary fields.
3221 (recognized_extern, recognized_function, read_scan_file):
3222 Update for new scheme.
3223 (check_protection): It's still a multiple include guard even
3224 if it doesn't always trigger.
3225 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
3227 * scan.h: Declare struct cpp_token. Update prototypes.
3229 2000-07-03 Neil Booth <neilb@earthling.net>
3230 Zack Weinberg <zack@wolery.cumb.org>
3232 Complete overhaul of the lexer and macro expander.
3234 * cpphash.c (object_defn, funct_defn, push_macro_expansion,
3235 arg, arglist, argdata, reflist, collect_objlike_expansion,
3236 collect_funlike_expansion, collect_params,
3237 warn_trad_stringify, trad_stringify, duplicate_arg_p, add_pat,
3238 unsafe_chars, macarg, compare_defs, special_symbol,
3239 scan_arguments, stringify, funlike_macroexpand,
3240 _cpp_quote_string, monthnames): Delete.
3241 (cpp_lookup, _cpp_free_definition, dump_funlike_macro,
3242 _cpp_create_definition, _cpp_dump_definition,
3243 dump_hash_helper): Adjust.
3244 (find_param, count_params, parse_define, var_args_str,
3245 check_macro_redefinition, save_expansion): New.
3247 * cpplex.c (skip_block_comment, skip_line_comment, parse_name,
3248 parse_string, output_line_command, trigraph_replace,
3249 lex_line, cpp_push_buffer, cpp_pop_buffer, cpp_output_tokens,
3250 cpp_scan_buffer_nooutput, cpp_scan_buffer, cpp_free_toklist,
3251 cpp_idcmp, _cpp_get_directive_token, _cpp_init_input_buffer,
3252 _cpp_skip_rest_of_line): Modify.
3254 (maybe_macroexpand, skip_comment, copy_comment, skip_string,
3255 find_position, null_warning, bump_column, expand_name_space,
3256 pedantic_whitespace, _cpp_output_list, _cpp_slice_toklist,
3257 _cpp_squeeze_toklist, _cpp_scan_until, _cpp_skip_hspace,
3258 _cpp_parse_name, _cpp_lex_token, cpp_get_non_space_token,
3259 _cpp_prescan): Delete.
3261 (dump_param_spelling, process_directive, lex_next,
3262 is_macro_disabled, stringify_arg, expand_context_stack,
3263 output_token, make_string_token, alloc_number_token,
3264 special_symbol, duplicate_token, maybe_paste_with_next,
3265 can_paste, prevent_macro_expansion, restore_macro_expansion,
3266 get_temp_token, release_temp_tokens, quote_string,
3267 token_names, token_spellings, _cpp_expand_name_space,
3268 _cpp_glue_header_name, _cpp_reserve_name_space,
3269 digraph_spellings, trigraph_ok, skip_whitespace, save_comment,
3270 placemarker_token, eof_token, cpp_context, macro_args,
3271 get_raw_token, parse_arg, parse_args, save_token,
3272 push_arg_context, push_macro_context, pop_context,
3273 do_pop_context, free_macro_args, _cpp_get_line,
3274 _cpp_run_directive): New.
3276 * cpplib.c (validate_else, parse_include, push_conditional,
3277 pass_thru_directive, read_line_number, parse_ifdef,
3278 detect_if_not_defined, _cpp_check_directive, do_define,
3279 do_undef, do_include, do_import, do_include_next, do_error,
3280 do_warning, do_ident, do_pragma, pragma_dispatch, gcc_pragmas,
3281 top_pragmas, do_pragma_gcc, do_pragma_implementation,
3282 do_pragma_poison, do_pragma_system_header,
3283 do_pragma_dependency, do_sccs, do_ifdef, do_ifndef, do_else,
3284 dl_elif, do_endif, _cpp_unwind_if_stack, do_assert,
3285 do_unassert, cpp_define, cpp_undef, cpp_assert, cpp_unassert,
3286 cpp_defined): Update for new scheme.
3287 (strtoul_for_line, get_define_node, dump_macro_name,
3288 _cpp_check_linemarker, _cpp_parse_assertion): New.
3289 (_cpp_handle_directive, do_pragma_default): Delete.
3291 * cpphash.h (struct predicate): Now struct answer.
3292 (enum spell_type, struct token_spelling, struct directive,
3293 directive_handler): New.
3294 Update prototypes. Remove unused macros.
3295 * cpplib.h: Update prototypes. Remove unused macros,
3296 structure definitions, and fields.
3298 * cpperror.c (print_containing_files, v_message): Adjust.
3299 * cppexp.c (parse_assertion, lex, parse_escape,
3300 _cpp_parse_expr): Adjust.
3301 * cppfiles.c (open_include_file, _cpp_execute_include,
3302 _cpp_compare_file_date, cpp_read_file, read_include_file):
3304 * cppinit.c (dump_special_to_buffer): Delete.
3305 (append_include_chain, merge_include_chains, cpp_reader_init,
3306 cpp_cleanup, initialize_builtins, builtin_array, cpp_start_read,
3307 cpp_finish, handle_option, print_help): Adjust.
3308 * cppmain.c (main): Adjust.
3310 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
3312 * cppspec.c (lang_specific_driver): Use double quotes in error
3315 Mon Jul 3 16:53:43 2000 Clinton Popetz <cpopetz@cygnus.com>
3317 * calls.c (emit_library_call_value_1): Use valreg instead
3318 of hard_libcall_value.
3320 2000-07-03 Geoff Keating <geoffk@cygnus.com>
3322 * config/rs6000/rs6000.c (rs6000_emit_move): New function.
3323 * config/rs6000/rs6000-proto.h: Prototype rs6000_emit_move.
3324 * config/rs6000/rs6000.md (movsi): Use rs6000_emit_move.
3332 * expmed.c (expand_mult_highpart): Use op1 instead of wide_op1 when
3333 mode instead of wider_mode is being used.
3335 2000-07-03 Jakub Jelinek <jakub@redhat.com>
3337 * config/i386/i386.md (movstrictqi_xor): Use 'q' constraint instead
3338 of 'r'. Use q_regs_operand.
3339 (andsi_1+2): Use q_regs_operand.
3341 2000-07-03 Jakub Jelinek <jakub@redhat.com>
3343 * builtins.c (get_memory_rtx): Always put into alias set 0.
3345 2000-07-03 Nick Clifton <nickc@cygnus.com>
3347 * config/arm/arm.md: Fix post increment and pre increment
3348 peepholes so that they do not generate UNPREDICATBLE opcodes.
3349 (ie ones where the increment clobbers the source/destination).
3351 2000-07-01 Marek Michalkiewicz <marekm@linux.org.pl>
3353 * config/avr/avr.c (out_adj_frame_ptr): Make "frame pointer
3354 change too big for -mtiny-stack" a warning, if larger than 63.
3355 (out_set_stack_ptr): Change the logic so -mno-interrupts is
3356 always safe to use on possible future devices.
3357 (function_prologue): Write SPH before SPL, for consistency.
3358 If interrupt_func_p true, we know we have enabled interrupts.
3359 (avr_num_arg_regs): New function. Round up to even number of
3360 bytes if no -mpack-args or if calling a libgcc function.
3361 (function_arg, function_arg_advance): Use it.
3362 (output_movsisf, ashlsi3_out, ashrsi3_out, lshrsi3_out):
3363 Output "movw" if available.
3364 (out_tsthi, out_tstsi, ashlqi3_out, lshrqi3_out): Change uses
3365 of TEST_HARD_REG_CLASS macro to test_hard_reg_class function.
3366 (asm_output_section_name): Add blanks for consistent output.
3367 (encode_section_info): Set TREE_READONLY for progmem data to
3368 avoid gas warnings about changed section attributes.
3369 (avr_hard_regno_mode_ok): Force non-QImode data to start in
3370 even numbered registers on devices with "movw".
3371 * config/avr/avr.h (MASK_*): Define bits for target_flags.
3372 (TARGET_SWITCHES): Mark help strings for translation.
3373 Add new -mpack-args and -menhanced switches.
3374 (TARGET_OPTIONS): Mark help strings for translation.
3375 (progmem_section): Add section attributes.
3376 * config/avr/avr.md (*movhi, call_insn, call_value_insn):
3377 Output "movw" if available.
3378 (mulqi3, mulqihi3, umulqihi3, mulhi3, *tablejump_enh):
3380 * config/avr/libgcc.S (_mulqi3, _divqi3): Update to the new
3381 call convention (arguments aligned on even registers).
3382 (_cleanup, _exit): Make weak symbols libc can override.
3384 2000-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3386 * fp-bit.h: New file.
3388 * fp-bit.c: Move common code, prototypes, etc into fp-bit.h.
3389 Comment #endif statements.
3390 (__thenan_sf, __thenan_df): Add missing braces around initializer.
3392 Mon Jul 3 00:32:47 2000 Jeffrey A Law (law@cygnus.com)
3394 * gcse.c (compute_pre_data): Compute ae_kill using other local
3395 properties instead of calling compute_ae_kill.
3397 * alias.c (init_alias_analysis): Do not call
3398 prologue_epilogue_contains until after reload has completed.
3400 2000-07-02 Benjamin Chelf <chelf@codesourcery.com>
3402 * c-common.h (genrtl_begin_compound_stmt): Remove declaration.
3403 (genrtl_finish_compound_stmt): Likewise.
3404 (genrtl_compound_stmt): Change to return void.
3406 * c-semantics.c (genrtl_begin_compound_stmt): Remove function and
3407 move code from here to ...
3408 (genrtl_compound_stmt): ... here.
3409 (genrtl_finish_compound_stmt): Remove.
3410 (expand_stmt): Add comment.
3412 2000-07-02 Zack Weinberg <zack@wolery.cumb.org>
3414 * c-typeck.c (build_indirect_ref): Use COMPLETE_OR_VOID_TYPE_P
3417 2000-07-02 Jakub Jelinek <jakub@redhat.com>
3419 * cpplib.h (struct cpp_reader): New field include_depth.
3420 (struct cpp_printer): Rename last_bsd to last_id.
3421 * cppfiles.c (read_include_file): Bump include_depth.
3422 * cpplex.c (cpp_pop_buffer): Decrement include_depth.
3423 (output_line_command): Output correct #line if a header
3424 is including itself and is not protected against multiple inclusion.
3425 Use include_depth instead of buffer_stack_depth, last_id instead of
3427 * cppinit.c (cpp_start_read): Initialize last_id instead of
3430 2000-07-01 Benjamin Chelf <chelf@codesourcery.com>
3432 * Makefile.in (C_AND_OBJC_OBJS): Added c-semantics.o.
3433 (c-semantics.o): New target.
3435 * c-common.h (TREE_LANG_FLAG_?): Added documentation.
3436 (genrtl_do_pushlevel): Moved from cp/cp-tree.h.
3437 (genrtl_clear_out_block): Likewise.
3438 (genrtl_goto_stmt): Likewise.
3439 (genrtl_expr_stmt): Likewise.
3440 (genrtl_decl_stmt): Likewise.
3441 (genrtl_if_stmt): Likewise.
3442 (genrtl_while_stmt): Likewise.
3443 (genrtl_do_stmt): Likewise.
3444 (genrtl_return_stmt): Likewise.
3445 (genrtl_for_stmt): Likewise.
3446 (genrtl_break_stmt): Likewise.
3447 (genrtl_continue_stmt): Likewise.
3448 (genrtl_scope_stmt): Likewise.
3449 (genrtl_switch_stmt): Likewise.
3450 (genrtl_case_label): Likewise.
3451 (genrtl_begin_compound_stmt): Likewise.
3452 (gerntl_finish_compound_stmt): Likewise.
3453 (genrtl_compound_stmt): Likewise.
3454 (genrtl_asm_stmt): Likewise.
3455 (genrtl_decl_cleanup): Likewise.
3456 (DECL_ANON_UNION_ELEMS): Likewise.
3457 (emit_local_var): Likewise.
3458 (make_rtl_for_local_static): Likewise.
3459 (expand_cond): Likewise.
3460 (expand_stmt): Likewise.
3461 (c_expand_return): Likewise.
3462 (c_expand_start_case): Likewise.
3463 (do_case): Likewise.
3464 (COMPOUND_STMT_NO_SCOPE): Likewise.
3465 (c_expand_asm_operands): Likewise.
3466 (NEW_FOR_SCOPE_P): New macro.
3467 (expand_expr_stmt_fn): New type.
3469 (set_current_function_name_declared): Likewise.
3470 (current_function_name_declared): Likewise.
3471 (lang_expand_stmt): Likewise.
3472 (stmts_are_full_exprs_p): Likewise.
3473 (anon_aggr_type_p): Likewise.
3474 (lang_expand_expr_stmt): Likewise.
3475 (build_case_label): Likewise.
3477 * c-decl.c (lang_expand_expr_stmt): Initialize.
3478 (stmts_are_full_exprs_p): Define.
3479 (current_function_name_declared): Likewise.
3480 (do_case): Likewise.
3481 (lang_expand_stmt): Likewise.
3482 (set_current_function_name_declared): Likewise.
3483 (anon_aggr_type_p): Likewise.
3485 * c-semantics.c: New file.
3486 (expand_cond): Moved from cp/semantics.c.
3487 (genrtl_do_pushlevel): Likewise.
3488 (genrtl_clear_out_block): Likewise.
3489 (genrtl_goto_stmt): Likewise.
3490 (genrtl_expr_stmt): Likewise.
3491 (genrtl_decl_stmt): Likewise.
3492 (genrtl_if_stmt): Likewise.
3493 (genrtl_while_stmt): Likewise.
3494 (genrtl_do_stmt): Likewise.
3495 (genrtl_return_stmt): Likewise.
3496 (genrtl_for_stmt): Likewise.
3497 (genrtl_break_stmt): Likewise.
3498 (genrtl_continue_stmt): Likewise.
3499 (genrtl_scope_stmt): Likewise.
3500 (genrtl_switch_stmt): Likewise.
3501 (genrtl_case_label): Likewise.
3502 (genrtl_begin_compound_stmt): Likewise.
3503 (genrtl_finish_compound_stmt): Likewise.
3504 (genrtl_compound_stmt): Likewise.
3505 (genrtl_asm_stmt): Likewise.
3506 (genrtl_decl_cleanup): Likewise.
3507 (make_rtl_for_local_static): Moved from cp/decl.c.
3508 (emit_local_var): Likewise.
3509 (expand_stmt): Define.
3511 * c-tree.h: (c_expand_asm_operands): Moved to c-common.h.
3512 (c_expand_return): Likewise.
3513 (c_expand_start_case): Likewise.
3515 2000-07-01 Richard Henderson <rth@cygnus.com>
3517 * config/ia64/ia64.c (symbolic_operand): Reject CONST expressions
3518 with the low 13 bits set.
3519 (move_operand): Check for CONST|SYMBOL_REF|LABEL_REF directly.
3520 * config/ia64/ia64.md (movdi): Likewise. Expand a CONST with one
3521 of the low 13 bits into a CONST plus an adddi3.
3522 (load_symptr): Set RTX_UNCHANGING_P.
3524 See ChangeLog.3 for earlier changes.