1 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
3 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
4 target_cpu_default. Remove dead assignment to
7 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
9 * regclass.c (contains_reg_of_mode): Make global.
10 (init_reg_sets): Remove contains_reg_of_mode; take into account
11 CLASS_MAX_NREGS when looking for the proper mode.
12 (dump_regclass): Dump only classes considered for the pseudo.
13 (regclass): Use contains_reg_of_mode.
15 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
17 * gcc.c (do_spec_1): 'n' for printing notices.
18 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
20 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
22 * reg-stack.c (next_flags_user): Use current_block->end
23 (swap_rtx_condition): Look for next user if flags don't die;
24 give up on CALL_INSNs; use current_block->end.
26 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
28 * sibcall.c (call_ends_block_p): New function.
29 (optimize_sibling_and_tail_recursive_call): Use it.
31 2001-02-18 Kazu Hirata <kazu@hxi.com>
33 * config/h8300/h8300.md: Update copyright.
34 (andsi3): Do not output an extra newline character.
36 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
38 * toplev.c (note_deferral_of_defined_inlined_function): Argument
41 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
42 follow jumps after first run.
43 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
44 it doesn't change any jumps.
46 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
48 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
49 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
50 (mostlyclean): Corresponding changes.
51 * rtlanal.c (hard-reg-set.h): Include.
52 (rtx_unstable_p): Do not treat the argument pointer specially
53 if it is not a fixed register.
54 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
56 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
58 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
59 against last real insn in basic block.
60 Rework to avoid gotos.
62 * Makefile.in (gcse.o): Now includes ggc.h.
63 * gcse.c: Include ggc.h.
64 (want_to_gcse_p): Verify expression can be in SET as valid insn.
65 (try_replace_reg): Remove warning of uninitialize variable.
66 (process_insert_insn): Call invalid_insn_p to validate insn.
67 * recog.c (insn_invalid_p): Now global.
68 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
69 * recog.h (insn_invalid_p): New declaration.
71 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
73 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
74 assignments from FP constants sonce 'Y' output code can't handle it.
75 (eligible_for_sibcall_delay): Likewise.
77 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
78 Call fancy_abort directly, passing args.
79 (print_rtl_and_abort): Now a macro, like fancy_abort.
81 * final.c (output_operand_lossage): Use internal_error, not error.
83 2001-02-18 Shane Nay <shane@agendacomputing.com>
85 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
86 structure shift insns.
88 2001-02-18 Mark Mitchell <mark@codesourcery.com>
90 * invoke.texi (-fsquangle): Remove documentation.
91 (-fname-mangling-version): Likewise.
93 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
95 * optabs.c (expand_abs): Remove reference to
96 HAVE_contitional_arithmetic.
97 * combine.c (simplify_set): Likewise.
99 2001-02-18 Richard Henderson <rth@redhat.com>
101 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
104 2001-02-18 Richard Henderson <rth@redhat.com>
106 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
108 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
110 * reload1.c (reload_cse_simplify_set): Fix typo.
112 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
114 * diagnostic.c (_fatal_insn): Decrement errorcount.
116 * invoke.texi (-I): Add note avoiding use for system header files.
118 * rtl.h (add_clobbers): Remove duplicate declaration.
119 * recog.h (added_clobbers_hard_reg_p): New declaration.
120 * genemit.c (struct clobber_pat): New field has_hard_reg.
121 (gen_insn): Record if added clobbers clobber hard reg.
122 (gen_split): Avoid unused warning if number of operands is 0.
123 (output_added_clobbers_hard_reg_p): New function.
126 2001-02-18 Alan Modra <alan@linuxcare.com.au>
128 * pa.c (hppa_expand_prologue): Simplify code storing return
129 pointer. For large (>=8k) frames with a post_store, adjust stack
130 pointer by 8k-64 first rather than by 64. When testing with
131 VAL_14_BITS_P, always use the actual value rather than the value
132 negated. Add blockage to prevent scheduling of spills before
133 stack frame has been created.
134 (hppa_expand_epilogue): Simplify code loading return pointer.
135 Allow a slightly larger range for merge_sp_adjust_with_load case.
136 When testing with VAL_14_BITS_P, always use the actual value.
138 * pa.c (pa_adjust_insn_length): Check that block move
139 pattern is a set before looking at operands.
141 2001-02-17 Mark Mitchell <mark@codesourcery.com>
143 * fold-const.c (fold_binary_op_with_conditional_arg): New
144 function, split out from ...
146 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
147 conditional arms that throw exceptions.
149 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
152 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
154 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
155 define HAVE_DECL_* to 1 to mask potential backup declarations.
156 * configure: Regenerated.
158 2001-02-17 Mark Mitchell <mark@codesourcery.com>
160 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
162 2001-02-17 Richard Henderson <rth@redhat.com>
164 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
165 when replacing a memory load with a register.
167 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
168 Jan Hubicka <jh@suse.cz>
170 * recog.c (validate_replace_src_1): New.
171 (validate_replace_src_data): Likewise.
172 (validate_replace_src): Use note_uses.
173 * rtl.h (note_uses): Declare.
174 * rtlanal.c (note_uses): New.
176 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
178 * reg-stack.c (stack_def): Make field reg unsigned.
179 (remove_regno_note): Unsignetize parameter.
181 2001-02-16 Jes Sorensen <jes@linuxcare.com>
183 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
184 shladd_operand() call.
186 2001-02-16 Bruce Korb <bkorb@gnu.org>
187 Rodney Brown <RodneyBrown@mynd.com>
189 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
190 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
192 * fixinc/fixincl.x: regen
194 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
196 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
198 (hash_scan_insn): Clean up calls to hash_scan_set.
199 (compute_kill_rd): REGNO now unsigned.
200 (try_replace_reg): Rework to use simplify_replace_rtx.
201 (cprop_jump, cprop_cc0_jump): Likewise.
202 (cprop_insn): Call find_reg_equal_equiv_note.
203 Reflect changes to cprop_jump and cprop_cc0_jump.
205 * recog.c (validate_replace_src): Replace in operands of
206 ZERO_EXTRACT in SET_DEST.
208 * cse.c (new_label_ref): New variable.
209 (insert): Set it instead of recorded_label_ref.
210 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
211 CODE_LABEL for this function, and not already in REG_LABEL note.
213 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
215 * resource.c (mark_referenced_resources): Fix typo in introductory
217 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
220 2001-02-16 Jason Merrill <jason@redhat.com>
222 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
224 (gen_subprogram_die): Don't abort on seeing a second definition if
225 the previous one was abstract. Don't replace an abstract instance
228 * dwarf2out.c (dwarf2out_abstract_function): Rename from
229 gen_abstract_function.
230 * dwarf2out.h: Declare it.
231 * toplev.c (note_outlining_of_inline_function): New fn.
232 * toplev.h: Declare it.
233 * integrate.c (output_inline_function): Call it.
234 * c-decl.c (duplicate_decls): Call it when redefining an extern
235 inline. Don't inline the new defn.
237 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
239 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
241 * .gdbinit: Rename to gdbinit.in.
242 * gdbinit.in: New file,
243 * configure.in: Generate .gdbinit from gdbinit.in.
244 * configure: Regenerated.
245 * Makefile.in (distclean): Always remove .gdbinit.
247 2001-02-16 Jakub Jelinek <jakub@redhat.com>
249 * objc/objc-act.c (start_class): Register implemented_classes with
252 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
254 * cppfiles.c (_cpp_make_system_header): Generate a file
257 2001-02-15 Jim Meyering <meyering@lucent.com>
259 * Makefile.in (install-common): Don't depend on installdirs here.
260 Instead, make each of the lang.install-common targets (e.g.,
261 c++.install-common in cp/Make-lang.in) depend on it.
262 (install-driver): Depend on installdirs.
264 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
266 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
268 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
271 2001-02-15 Mark Mitchell <mark@codesourcery.com>
273 * invoke.texi (--param): Document.
275 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
277 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
279 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
281 * i386.md (extendsfdf2_2): Fix constraints.
283 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
285 * i386.md (fop_df_3 splitter): Fix operand number.
287 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
289 * invoke.texi (-mreg-alloc): Nuke.
290 * i386.c (ix86_reg_alloc_order, regs_allocated,
291 order_regs_for_local_alloc): Nuke.
292 (override_options): Kill reg_alloc code.
293 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
294 (REG_ALLOC_ORDER): SSE goes before I387.
295 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
296 (ix86_reg_alloc_order): Likewise.
297 * i386-protos.h (ix86_reg_alloc_order): Kill.
299 2001-02-14 Richard Henderson <rth@redhat.com>
301 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
303 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
305 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
307 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
309 * i386-protos.h (ix86_memory_move_cost): Move offline.
310 * i386.c (ix86_register_move_cost): Compute properly cost of
311 SSE, MMX and i387 instructions.
312 (*_cost): Add costs of SSE/MMX moves.
313 (ix86_memory_move_cost): Move offline from ....; Likewise.
314 * i386.h (MEMORY_MOVE_COST): .... here;
315 (struct processor costs): Add new fields to represent costs
318 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
320 * regclass.c (init_reg_sets_1): Reinstall the optimization of
321 move_cost together with Matt Kraai's fix.
323 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
325 * Makefile.in (OBJS): Add params.o.
327 2001-02-14 Richard Henderson <rth@redhat.com>
328 DJ Delorie <dj@redhat.com>
330 * jump.c (jump_optimize_1): When we delete a conditional jump
331 preceeding a non-conditional jump to effectively the same place,
332 make sure that the combined jump skips any clobber insns between
335 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
337 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
339 2001-02-14 Mark Mitchell <mark@codesourcery.com>
341 * Makefile.in (toplev.o): Depend on params.h.
342 (intergate.o): Likewise.
343 (params.o): New target.
344 * flags.h (inline_max_insns): Remove.
345 * integrate.c: Include params.h.
346 Use MAX_INLINE_INSNS instead of inline_max_insns.
347 * params.c: New file.
348 * params.h: Likewise.
349 * params.def: Likewise.
350 * toplev.c: Include params.h.
351 (lang_independent_params): New variable.
352 (decode_f_option): Use the param machinery instead of setting
354 (independent_decode_option): Handle "--param name=value".
355 (main): Register language-independent parameters.
357 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
359 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
361 2001-02-14 Richard Henderson <rth@redhat.com>
363 * regclass.c (init_reg_sets_1): Revert last two changes.
365 2001-02-14 Jakub Jelinek <jakub@redhat.com>
367 * stor-layout.c (is_pending_size, put_pending_size): New functions.
368 (variable_size): Call put_pending_size.
369 * tree.h (is_pending_size, put_pending_size): Add prototypes.
370 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
371 sizes list, put newly created SAVE_EXPR there as well.
373 2001-02-14 Jakub Jelinek <jakub@redhat.com>
375 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
376 (errata_find_address_regs): load_group has only 2 entries.
377 (errata_emit_nops): Likewise. shladd is not problematic.
378 Clear last_group if nop was emitted.
379 (fixup_errata): load_group has only 2 entries.
382 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
384 * c-lex.c (lex_number): Only warn traditionally for U suffix
385 outside system macros.
386 * cppexp.c (parse_number): Similarly.
387 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
388 * cppmacro.c (struct cpp_macro): New member node.
389 (parse_args): Only warn about missing rest args if not
391 (funlike_invocation_p): Similarly for uninvoked funlike macros.
392 (cpp_sys_objmacro_p): New.
393 (_cpp_create_definition): Store the node with the macro defn.
394 Remember if the macro is defined in a system header.
396 2001-02-13 DJ Delorie <dj@redhat.com>
398 * configure.in (check_languages): determine languages to check
399 * Makefile.in (check-c++): alias for check-g++
400 (check-f77): alias for check-g77
401 (CHECK_TARGETS): depend on configured languages
403 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
405 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
406 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
407 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
408 (sqrtextendsfdf2): Disable for SSE2.
410 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
412 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
413 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
414 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
415 (sqrtextendsfdf2): Disable for SSE2.
417 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
419 * i386.md (movsfcc_1): Support integer cmove instruction.
420 (movdfcc_1): Likewise; new splitter.
422 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
424 * i386.c (output_fp_compare): Support SSE.
425 (prepare_fp_compare_args): SSE comparisons always support memory.
426 * i386.h (TARGET_CMOVE): SSE imply cmove.
427 * i386.md (cmp?f2): Enable for SSE too.
428 (cmpfp_i*): Support SSE.
430 (cmpfp_i_sse_only): New.
431 (s*, b* fp expanters): Enable for SSE too.
432 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
435 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
437 * regclass.c (init_reg_sets_1): Silence warning.
439 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
441 * i386.md (sqrt?f2): Change to expander.
442 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
444 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
446 * rtlanal.c (find_reg_equal_equiv_note): New function.
447 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
448 (simplify_gen_relational, simplify_replace_rtx): Likewise.
449 * rtl.h: Add declarations for above functions.
451 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
453 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
455 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
456 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
457 * flow.c (mark_regs_live_at_end): Likewise.
458 (calculate_global_regs_live): Likewise.
459 * gcse.c (compute_hash_table): Likewise.
460 (compute_kill_rd): Likewise.
461 * resource.c (mark_target_live_regs): Likewise.
462 * rtl.h (INVALID_REGNUM): New macro.
464 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
466 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
468 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
470 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
473 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
475 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
477 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
478 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
479 (fop_sf_1_sse, fop_df_1_sse): New patterns
480 (fop_*): Disable float_extend and float patterns for SSE compilation.
481 * i386.c (output_387_binary_op): Support SSE.
483 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
485 * i386.md (dummy_extendsfdf2): Support SSE2
486 (extendsfdf2): Enable if 80387 or SSE2.
487 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
489 (extendsfdf2_1_sse_only): New pattern.
490 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
492 (truncdfsf2_1): Support SSE.
493 (truncdfsf2_2): Support SSE.
494 (truncdfsf2_2_1_sse): New pattern.
495 (fixtruncsfsi2): Always use SSE if available.
496 (fix_truncsfsi_sse): New pattern.
497 (fix_truncdfsi_sse): New pattern.
498 (floatsis?f2): Support SSE.
499 (floatsidf2_i387): New pattern.
500 (floatsidf2_sse): Likewise.
502 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
504 * configure.in: Use "have_gnat" variable, not "gnat".
505 * configure: Regenerated.
507 * config/sparc/sparc.c (function_value): Treat all non-record
508 aggregate types like used to treat UNION_TYPE.
510 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
512 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
513 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
515 (MASK_MIX_SSE_I387): New.
516 (TARGET_SSE): SSE2 imply SSE.
517 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
518 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
519 (enum reg_class): Add new classes.
520 (REG_CLASS_NAMES): Likewise.
521 (REG_CLASS_CONTENTS): Likewise.
522 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
523 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
524 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
525 (CLASS_MAX_NREGS): Use new macros.
526 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
527 * i386.md (pushsf, movsf): Support SSE.
528 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
529 splitters to use ANY_FP_REGNO_P.
530 (movdf_nointeger, movdf_integer): Likewise.
532 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
534 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
535 (try_combine): Use it.
537 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
539 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
540 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
541 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
542 (REGISTER_MOVE_COST): Likewise.
543 * i386-protos.h (ix86_secondary_memory_needed,
544 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
545 * i386.c (ix86_secondary_memory_needed,
546 ix86_preferred_reload_class, ix86_register_move_cost): New function.
548 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
550 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
551 (HARD_REGNO_MODE_OK): Move offline to ....
552 * i386.c (ix86_hard_regno_mode_ok) ... here;
553 refuse all incorrect modes.
554 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
556 2001-02-13 Richard Henderson <rth@redhat.com>
558 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
559 entire operator; replicate that and match_dup the operands.
560 (cmp_ccx_arith_op_set): Likewise.
561 (cmp_cc_arith_op_not_set): Likewise.
562 (cmp_ccx_arith_op_not_set): Likewise.
564 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
566 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
568 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
570 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
571 (TARGET_NO_BITFIELD_WORD): New macro.
572 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
573 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
575 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
577 * cselib.c: New file, from simplify-rtx.c.
578 * simplify-rtx.c: Remove cselib parts.
579 * Makefile.in: Add cselib.o.
581 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
583 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
584 (setup_incoming_varargs): Remove warning.
586 * config/rs6000/rs6000.c (validate_condition_mode): When
587 flag_fast_math, allow floating-point conditionals to be reversed.
588 (rs6000_generate_compare): When flag_fast_math, don't generate
589 cror operations for FP conditionals.
591 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
593 (ASM_SPEC): Likewise.
594 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
595 (CC1_SPEC): Likewise.
596 (LINK_TARGET_SPEC): Likewise.
597 (CPP_ENDIAN_SPEC): Likewise.
598 * Makefile.in (check-consistency): New target.
600 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
602 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
603 "return type defaults" warning for functions with return type
605 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
606 function declarations by default rather than only when pedantic.
608 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
610 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
613 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
615 * extend.texi (Deprecated): Deprecate new initializer lists.
617 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
619 * mkdeps.c (deps_add_default_target): Robustify. Add
620 basename component only.
621 * cpp.texi (-M): Describe how default target is generated.
622 * invoke.texi (-M): Likewise.
624 2001-02-12 Kazu Hirata <kazu@hxi.com>
626 * toplev.c (push_float_handler): Remove.
627 (pop_float_handler): Remove.
628 * toplev.h: Remove prototypes for the above functions.
630 2001-02-12 Jakub Jelinek <jakub@redhat.com>
632 * c-common.c (constant_fits_type_p): New function.
633 (convert_and_check): Use it.
635 2001-02-11 Mark Mitchell <mark@codesourcery.com>
637 * Makefile.in (GXX_ABI_FLAG): Don't define.
638 * configure.in (--enable-new-gxx-abi): Remove option.
639 * config.in: Regenerated.
640 * configure: Likewise.
642 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
644 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
646 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
647 regular basic block, and arrange for all edges into it to switch
650 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
652 * Makefile.in (distclean): Do not remove .gdbinit.
654 2001-02-11 Mark Mitchell <mark@codesourcery.com>
656 * Makefile.in (gcc.o): Fix typos.
657 (protize.o): Likewise.
658 (unprotoize.o): Likewise.
660 2001-02-11 Richard Henderson <rth@redhat.com>
662 * tree.c (build1): Check for null operand in last change.
664 2001-02-11 Richard Henderson <rth@redhat.com>
666 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
667 (fold): Don't assume a constant isn't foldable.
668 * tree.c (build): Set TREE_CONSTANT for an expression with no
669 side-effects and constant operands.
672 2001-02-10 Richard Henderson <rth@redhat.com>
674 * jump.c (squeeze_notes): Revert 2000-05-12 change.
676 2001-02-10 Anthony Green <green@redhat.com>
678 * cpp.texi (Standard Predefined): Add documentation for
681 * c-common.c (combine_strings): Improve warning message.
683 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
685 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
687 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
689 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
691 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
694 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
696 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
699 2001-02-09 Nick Clifton <nickc@redhat.com>
701 * config/arm/arm.md: Change output contraint on post inc
702 load/store multiple patterns to be a read/write contraint.
704 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
706 * gcc.c (cpp_options): Delete .d files on error. Don't delete
707 .o files when using the -M options.
709 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
710 David Edelsohn <edelsohn@gnu.org>
712 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
713 handle DImode constants. Use one TOC entry for SImode and smaller
714 constants, aligned properly.
716 2001-02-08 Jason Merrill <jason@redhat.com>
718 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
719 about the SP adjustment for saving the static chain pointer.
720 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
721 offset when setting a temporary CFA register.
723 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
725 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
726 powerpc-*-chorusos* .
727 * config/rs6000/chorus.h : New file.
728 * config/i386/chorus.h : New file.
729 * config/sparc/chorus.h : New file.
730 * config/sparc/t-chorus-elf : New file.
732 2001-02-08 David Edelsohn <edelsohn@gnu.org>
734 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
735 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
736 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
737 (__WCHAR_TYPE__): Correct macro name.
739 2001-02-08 Richard Henderson <rth@redhat.com>
741 * config/i386/i386.c (ix86_frame_pointer_required): New.
742 (ix86_setup_frame_addresses): New.
743 (struct machine_funciton): Add accesses_prev_frame.
744 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
745 ix86_frame_pointer_required.
746 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
747 (SETUP_FRAME_ADDRESSES): New.
748 * config/i386/i386-protos.h: Update.
749 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
750 from FRAME_POINTER_REQUIRED.
751 * config/i386/svr3gas.h: Likewise.
752 * config/i386/sysv3.h: Likewise.
753 * config/i386/v3gas.h: Likewise.
755 2001-02-08 Richard Henderson <rth@redhat.com>
757 * config/sparc/sparc.c (function_arg_record_value_3): Fix
758 calculation of the number of integer registers required.
759 (function_arg_record_value): Likewise.
761 2001-02-08 Jason Merrill <jason@redhat.com>
763 * diagnostic.c (internal_error): Say "confused" after 1 error, not
764 two. Print file and line with "confused" message.
766 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
768 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
770 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
772 2001-02-08 Bernd Schmidt <bernds@redhat.com>
774 * final.c (cleanup_subreg_operands): The address of a MEM can
777 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
780 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
782 * gcc.texi (Incompatibilities): Update documentation of
783 preprocessing numbers.
785 2001-02-07 Jakub Jelinek <jakub@redhat.com>
787 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
789 2001-02-07 Mark Mitchell <mark@codesourcery.com>
791 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
793 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
794 * gcc.c (struct compiler): Add cpp_spec field.
795 (input_file_compiler): New variable.
796 (do_spec_1): Allow a particular compiler to handle `%C'
798 (main): Store the current compiler in input_file_compiler.
799 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
801 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
803 * cpphash.h (struct spec_nodes): Add n_true and n_false.
804 * cppinit.c (cpp_create_reader): Initialize them.
805 (append_include_chain): cxx_aware arg might be unused.
806 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
807 keywords and give them their phase 7 meaning. Pedwarn about
808 this unless '__bool_true_false_are_defined' is defined.
810 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
812 * lcm.c (optimize_mode_switching): Emit mode_set before the
813 JUMP_INSN of an abnormal edge.
815 2001-02-07 Bernd Schmidt <bernds@redhat.com>
817 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
818 a scheduling barrier at the end.
820 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
822 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
824 * config/sh/sh.md (reload_outsf): Removed.
825 (movsf_ie): Introduce constraints for FPUL loads and stores.
826 (reload_insf): Broaden the output constraint.
828 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
830 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
831 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
833 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
835 * final.c: Revert my previous changes.
836 * output.h: Make profile_label_no extern.
837 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
838 for generating label.
840 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
842 * config/i386/djgpp.h: Add comments about standard paths.
843 (MD_EXEC_PREFIX): Undefine before defining.
844 (MD_STARTFILE_PREFIX): New.
846 2001-01-30 Bruce Korb <bkorb@gnu.org>
848 fixinc/fixincl.c(process): Emit error message only if appropriate :)
849 (load_file): do not rely on load_file_data() to close file pointer
850 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
851 fixinc/inclhack.def(irix_limits_const): add test_text
853 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
855 * cppexp.c (parse_defined): Improve diagnostics for invalid
858 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
860 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
862 2001-02-06 Mark Mitchell <mark@codesourcery.com>
864 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
865 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
866 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
867 (rs6000_output_symbol_ref): New function.
868 (output_toc): Use VTABLE_NAME_P.
870 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
872 * print-tree.c (print_node, case PARM_DECL):
873 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
875 * stor-layout.c (reference_types_internal): New variable.
876 (internal_reference_types): New function.
877 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
878 * tree.h (internal_reference_types): New declaration.
880 * cse.c (find_best_addr): Fix typo in computing cost.
882 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
884 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
885 and this is the sum of a pointer and a constant, we know the result
887 (num_sign_bit_copies, case PLUS): Likewise.
888 * explow.c (convert_memory_address): Remove opposite SUBREG.
889 * function.c (instantiate_new_reg): New function (from common code).
890 (instantiate_virtual_regs_1): Call it.
891 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
892 if pointers sign- or zero-extend.
893 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
894 If pointers extend unsigned, use inside of SUBREG.
895 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
897 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
899 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
900 subdir of gcc_gxx_include_dir.
901 (gcc_gxx_target_include_dir): Remove.
903 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
905 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
906 (dwarf2out_frame_debug_expr): Revise introductory comments to add
907 a high-level description.
909 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
911 * final.c: Move the declaration of profile_label_no to ...
912 * output.h: ... here.
913 * function.c (expand_function_start): Call PROFILE_HOOK.
914 * config/rs6000/aix.h: Define PROFILE_HOOK.
915 * config/rs6000/rs6000-protos.h: output_profile_hook new.
916 * config/rs6000/rs6000.c (output_profile_hook): Define.
917 (output_prolog): Do nothing for ABI_AIX as it is taken care by
919 tm.texi : Explain new macro PROFILE_HOOK.
921 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
923 * extend.texi (Extended Asm): Do not say that semicolon is always
924 a valid line-breaking character for GNU assemblers. Use
925 newline-tab as the most commonly supported syntax. Use
926 newline-tab rather than semicolon in multi-insn examples.
928 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
930 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
932 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
933 David Edelsohn <edelsohn@gnu.org>
935 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
936 code for AIX, even without flag_pic.
938 2001-02-05 Jakub Jelinek <jakub@redhat.com>
940 * c-typeck.c (common_type): push and pop binding level around
941 calling common_type on function parameters.
943 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
945 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
947 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
949 * config/mips/mips.c (override_options): Fix typo in last change.
950 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
951 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
953 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
955 * invoke.texi (-fdump-class-layout): Document.
956 (-fdump-translation-unit): Use `=' as filename separator.
958 2001-02-05 Mark Mitchell <mark@codesourcery.com>
960 * Makefile.in (s-mlib): Don't build multilibs if
962 (DRIVER_DEFINES): Adjust accordingly.
964 (protoize.o): Likewise.
965 (unprotoize.o): Likewise.
966 * configure.in: Recognize --enable-multilib.
968 2001-02-04 Mark Mitchell <mark@codesourcery.com>
970 * Makefile.in (DRIVER_DEFINES): Fix quoting.
972 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
973 * configure.in: Remove --enable-libstdcxx_v3 support.
974 * configure: Regenerated.
976 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
978 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
979 Call abort instead of fatal.
980 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
981 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
982 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
983 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
984 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
985 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
987 * diagnostic.h (set_internal_error_function): Renamed.
988 * toplev.h (internal_error): Renamed from fatal.
989 (pfatal_with_name): Deleted.
990 (fatal_io_error): Now has printf-style arguments.
991 * diagnostic.c (pfatal_with_name): Deleted.
992 (fatal_io_error): Rework to have args in printf-style.
993 (set_internal_error_function): Renamed from set_fatal_function.
994 (internal_error): Renamed from fatal.
995 (error_recursion, fancy_abort): Call internal_error instead of fatal.
996 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
997 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
998 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
999 * flow.c (verify_flow_info): Likewise.
1000 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
1001 * config/mips/mips.c (save_restore_insns): Likewise.
1003 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
1004 * flow.c (verify_flow_info): Likewise.
1005 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
1006 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
1007 (avr_normalize_condition): Likewise.
1008 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
1009 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
1010 (limit_reload_class, double_reg_to_memory): Likewise.
1011 (print_operand_address, emit_1600_code_shift): Likewise.
1012 (gen_tst_reg, gen_compare_reg): Likewise.
1013 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
1014 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
1016 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
1018 * c-parse.in (methoddef): Call fatal_error instead of fatal.
1019 * objc/objc-act.c (build_ivar_chain): Likewise.
1020 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
1022 * graph.c (clean_graph_dump_file): Likewise.
1023 * profile.c (init_branch_prob): Likewise.
1024 * objc/objc-act.c (objc_init): Likewise.
1026 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
1027 * config/avr/avr.c (avr_override_options): Likewise.
1028 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
1029 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
1030 * config/h8300/h8300.c (h8300_init_once): Likewise.
1031 * config/mips/mips.c (override_options): Likewise.
1032 * config/i386/i386.c (override_options): Likewise, rework.
1033 * config/m68k/m68k.c (override_options): Likewise.
1035 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
1037 * config/mips/mips.c (print_operand): Likewise.
1038 * hash.c (hash_allocate): Don't check for failure returns from
1039 obstack functions that can't fail.
1040 (hash_table_init_n, hash_table_init): Likewise; also now return void.
1041 * hash.h (hash_table_init_n, hash_table_init): Now return void.
1042 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
1043 (get_object_reference): Likewise.
1045 2001-02-04 Nick Clifton <nickc@redhat.com>
1047 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
1048 StrongARM1110, 10TDMI, and 1020T.
1050 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1052 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
1054 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
1056 * config/sh/sh.md (movdf load split): Pass register number to
1057 FP_OR_XD_REGISTER_P.
1059 2001-02-04 Mark Mitchell <mark@codesourcery.com>
1061 * cppinit.c (BC): New macro.
1062 (builtin_array): Add __GXX_WEAK__.
1063 * cpplib.h (builtin_type): Add BT_WEAK.
1064 * cppmacro.c (builtin_macro): Handle BT_WEAK.
1065 * defaults.h (SUPPORTS_ONE_ONLY): Define.
1066 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
1068 2001-02-03 Jakub Jelinek <jakub@redhat.com>
1070 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
1072 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
1074 * cpphash.h: Rename _ALIGN POOL_ALIGN.
1075 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
1077 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
1079 * cpphash.h: Rename ALIGN _ALIGN.
1080 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
1082 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
1084 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
1085 compilation environment.
1086 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
1087 control over location of cygwin includes and libs.
1089 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
1091 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
1093 2001-02-02 lars brinkhoff <lars@nocrew.org>
1095 * md.texi (Standard Names): remove reference to spur.md.
1097 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
1099 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
1100 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
1101 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
1102 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
1103 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
1105 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1107 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
1108 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
1109 number before reload.
1110 (c4x_adjust_cost): Return zero before reload.
1111 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
1112 split before reload.
1114 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1116 * c4x.c (c4x_hard_regno_rename_ok): New.
1117 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
1118 * c4x.h (HARD_REGNO_RENAME_OK): Define.
1120 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1122 * diagnostic.h: Add missing "extern" in all declarations.
1124 2001-02-02 Alex Samuel <samuel@codesourcery.com>
1126 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
1127 as for gcc_gxx_include_dir.
1129 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
1131 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
1133 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
1135 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
1136 label before alignment to be used as the braf base address.
1137 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
1139 (casesi_jump_2): Require at least TARGET_SH2.
1141 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
1142 truncation to 32-bit doubles on -m3e and -m4-single-only.
1144 2001-02-02 Mark Mitchell <mark@codesourcery.com>
1146 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
1147 the default when building a shared object.
1148 (init_spec): Use it.
1149 * testsuite/lib/g++.exp: Include the directory where libgcc
1150 is located to the LD_LIBRARY_PATH list.
1151 * invoke.texi (-shared-libgcc): Document the cases in which
1152 GCC defaults to using the shared libgcc.
1154 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
1156 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
1157 unsigned is wide enough.
1159 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
1160 (si_to_float): Likewise.
1161 (float_to_si, float_to_usi): Use BITS_PER_SI.
1163 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
1165 * dwarf2out.c: Added explanation of abbreviations.
1166 (def_cfa_1): Added comments listing DWARF2 instructions.
1167 (cfa_temp_reg): Removed in favor of cfa_temp.
1168 (cfa_temp_value): Removed in favor of cfa_temp.
1169 (cfa_temp): New global variable.
1170 (dwarf2out_frame_debug_expr): Added extensive introductory
1171 comments explaining the function's transformations. Revised to
1172 use cfa_temp. Added some rtx checking. Generalize IOR case.
1173 (dwarf2out_frame_debug): Revised to use cfa_temp.
1174 (output_aranges): Cast as "unsigned" to avoid warning.
1175 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
1176 explain which instructions must be marked.
1178 2001-02-01 Richard Henderson <rth@redhat.com>
1180 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
1183 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
1185 * config/sh/crt1.asm (main_k): Modified so that start calls
1186 ___setup_argv_and_call_main.
1188 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
1190 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
1191 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
1192 and AVOID_LPASTE is cleared on meeting an unescaped newline.
1193 * cppmacro.c (builtin_macro): Set builtin flags here.
1194 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
1195 (replace_args): Clarify intent.
1196 (cpp_get_token): Macro expansion tokens get the saved flags.
1198 * cppmain.c (scan_buffer): Remove now-redundant print.printed
1201 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
1203 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
1206 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1208 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
1209 returns Pmode pseudo, but we need ptr_mode.
1210 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
1211 Remove bogus conversions; use HOST_WIDE_INT for size.
1212 Don't use TARGET if wrong mode.
1214 * config/i386/i386.c (ix86_compute_frame_size): Allow
1215 stack_alignment_needed to be non-default even if size is zero.
1217 2001-01-31 Alan Modra <alan@linuxcare.com.au>
1219 * (hppa_init_pic_save): Emit the pic offset table
1220 reg save after last_parm_insn.
1221 * pa.c (hppa_init_pic_save): New function.
1222 * pa.h (hppa_init_pic_save): Declare.
1223 * pa.md (call, call_value, sibcall, sibcall_value): Use
1224 the above instead of duplicated code.
1226 * pa.c (hppa_encode_label): Correct size of alloca buffer
1227 so we don't overrun it. Correct leading `*' case.
1228 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
1229 need to handle `*@'.
1230 (FUNCTION_NAME_P): Likewise.
1232 2001-01-31 Richard Henderson <rth@redhat.com>
1234 * config.gcc (alpha-osf5): Use float-i128.h.
1236 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
1237 * config/float-i32.h: Likewise.
1238 * config/float-i64.h: Likewise.
1239 * config/float-sh.h: Likewise.
1240 * config/float-sparc.h: Likewise.
1242 2001-01-31 DJ Delorie <dj@redhat.com>
1244 * expmed.c (extract_bit_field): allow non-integral modes if we
1245 want to extract a whole register from itself.
1247 2001-01-31 Jakub Jelinek <jakub@redhat.com>
1249 * c-typeck.c (set_init_index): If first is equal to last, assume as
1250 if it was not a range at all.
1252 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
1254 * config/fp-bit.c: Include tm.h.
1255 (float_to_si): Don't assume SImode is 32-bits wide.
1256 (float_to_usi): Likewise.
1258 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
1260 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
1262 (typename): Call pending_xref_error after parsing typed_typespecs.
1263 * c-decl.c (lookup_tag): Give error immediately rather than
1264 leaving it pending if the tag of the wrong type is in the same
1266 (xref_tag): Don't pedwarn for forward declarations of enum types
1268 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
1271 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
1273 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
1275 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
1277 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
1278 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
1280 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
1282 * cpphash.h (struct cpp_reader): New saved_flags.
1283 * cppmacro.c (cpp_get_token): Use saved_flags to remember
1284 to avoid a paste after a pasted token.
1286 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
1288 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
1289 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
1290 Wtype_MIN instead of LONG_MIN.
1292 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
1294 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
1296 * fixinc/fixincl.x: Regenerated.
1297 * fixinc/inclhack.def (irix_limits_const): New definition to
1298 convert "const" to "__const" in limits.h.
1300 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
1302 * fixinc/genfixes (AG): Fix "autogen4" thinko.
1304 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1306 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
1307 when register dies in the insn.
1309 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
1311 * diagnostic.c (fatal): Fix word wrap.
1313 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
1315 * combine.c (try_combine): Fix SUBREG setting for
1316 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
1318 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1320 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
1323 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
1325 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
1327 * toplev.c (decode_W_option): Update warn_larger_than
1328 unconditionally for each processed switch.
1330 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
1332 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
1334 (hppa_expand_prologue): Delete code to save pic offset table register
1335 in the function prologue.
1336 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
1337 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
1338 table register at the beginning of the function after the prologue.
1340 2001-01-29 lars brinkhoff <lars@nocrew.org>
1342 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
1344 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
1345 Jeff Law <law@redhat.com>
1347 * pa.md (return): Revise comment for trivial return.
1348 (return_internal): Non-trivial return pattern for non-PIC code.
1349 (return_internal_pic): Non-trivial return pattern for PIC code.
1350 It uses the PIC register to ensure it is restored after
1352 (epilogue): Generate appropriate return for PIC and non-PIC code.
1354 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
1356 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
1358 2001-01-29 DJ Delorie <dj@redhat.com>
1360 * combine.c (if_then_else_cond): Pass the correct mode to
1361 operand_subword() for constants.
1363 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
1365 * config/i386/cygwin.h: Add w32api to include search. Search different
1366 directories in a cross-build environment.
1368 2001-11-29 Tim Josling <tej@melbpc.org.au>
1370 * tree.h (TYPE_STUB_DECL): Add documentation.
1372 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
1374 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
1375 (sdbout_field_types): Likwise. Fix use of host_integerp.
1377 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
1379 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
1382 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
1384 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
1385 to use flag_gnu_linker.
1387 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
1389 * cpplib.c (T_BAD_DIRECTIVE): Remove.
1390 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
1392 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
1394 * tree.c, tree.h (build_parse_node): Remove; was identical to
1396 * c-lang.c (start_cdtor), objc/objc-act.c
1397 (build_module_descriptor): Use build_nt instead of
1400 2001-01-29 Jakub Jelinek <jakub@redhat.com>
1402 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
1403 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
1404 not have any upper bits set.
1406 2001-01-29 Phil Edwards <pme@sources.redhat.com>
1408 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
1410 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1412 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
1414 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
1416 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
1417 (integer_minus_one_node): Define.
1419 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
1421 * Makefile.in (bootstrap2-lean): Fix typo.
1423 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
1425 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
1426 : Don't set fe_value.
1427 * cpplib.h (AVOID_LPASTE): New flag.
1428 (struct cpp_hashnode): Remove fe_value.
1429 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
1430 * cppmacro.c (builtin_macro): Don't set flags here.
1431 (replace_args): Set AVOID_LPASTE flag on first token of an
1432 argument, and the token following it.
1433 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
1434 macro expansion, and on the token following it. Do it for
1436 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
1438 2001-01-27 Richard Henderson <rth@redhat.com>
1440 * config/alpha/t-ieee: Remove multilibbing.
1441 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
1443 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1445 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
1447 * Makefile.in: Remove all dependencies on defaults.h.
1448 * builtins.c: Don't include defaults.h.
1449 * c-common.c: Likewise.
1450 * c-decl.c: Likewise.
1451 * c-pragma.c: Likewise.
1452 * c-typeck.c: Likewise.
1453 * combine.c: Likewise.
1455 * frame-ia64.c: Likewise.
1456 * cppexp.c: Likewise.
1457 * crtstuff.c: Likewise.
1458 * dbxout.c: Likewise.
1459 * dwarf2out.c: Likewise.
1460 * dwarfout.c: Likewise.
1461 * emit-rtl.c: Likewise.
1462 * except.c: Likewise.
1464 * final.c: Likewise.
1465 * frame-dwarf2.c: Likewise.
1466 * libgcc2.c: Likewise.
1467 * optabs.c: Likewise.
1468 * profile.c: Likewise.
1469 * sdbout.c: Likewise.
1470 * toplev.c: Likewise.
1471 * tradcif.y: Likewise.
1473 * varasm.c: Likewise.
1475 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1477 * builtins.c (expand_builtin_fputs): Use size_one_node when
1478 transforming into fwrite.
1480 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
1482 * extend.texi (Attribute Syntax): New section.
1484 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
1486 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
1487 they didn't need fixing.
1489 2001-01-27 Janis Johnson <janis@us.ibm.com>
1491 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
1493 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
1494 to remove macro definitions that are duplicated from elfos.h.
1496 2001-01-27 Richard Henderson <rth@redhat.com>
1498 * config/i386/sco5gas.h: Move ...
1499 * config/usegas.h: ... here.
1500 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
1502 2001-01-27 Jakub Jelinek <jakub@redhat.com>
1504 * c-typeck.c (struct constructor_stack): Add range_stack member.
1505 (really_start_incremental_init): Clear it.
1506 (push_init_level): Save constructor_range_stack and clear it if
1507 pushing explicit braces.
1508 (pop_init_level): abort if constructor_range_stack is non-zero at
1509 explicit closing brace. Restore saved constructor_range_stack if
1512 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
1514 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
1515 into register was forced into memory.
1517 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
1519 * Makefile.in: Remove uses of + before $(MAKE).
1521 2001-01-26 Richard Henderson <rth@redhat.com>
1523 * stmt.c (cost_table): Remove.
1524 (COST_TABLE, cost_table_initialized): New.
1525 (estimate_case_costs): Use the later instead of the former.
1526 (balance_case_nodes): Likewise.
1528 2001-01-26 Richard Henderson <rth@redhat.com>
1530 * alias.c (objects_must_conflict_p): Read-only slots may not
1531 conflict despite having the same type.
1533 2001-01-27 Michael Hayes <mhayes@redhat.com>
1535 * loop.c (loop_giv_reduce_benefit): Copy mode size into
1537 (check_ext_dependant_givs): Initialise u_start_val and
1539 (load_mems): Make last_max_reg unsigned.
1540 (try_swap_copy_prop): Use INSN_P and initialise set.
1542 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
1544 * README.AVR : Removed.
1546 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
1548 * pa-64.h (text_section): Remove declaration.
1550 * pa.md (return_internal): Remove mode on PIC register use.
1552 2001-01-25 lars brinkhoff <lars@nocrew.org>
1554 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
1555 ASM_CLOSE_PAREN): fix typos.
1557 2001-01-25 Mark Mitchell <mark@codesourcery.com>
1559 * acconfig.h: Define `const' to the empty string if neither
1560 __STDC__ nor __cplusplus is defined.
1561 * config.in: Regenerated.
1563 2001-01-25 David Edelsohn <edelsohn@gnu.org>
1565 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
1566 * collect2.c (main): Delete importf. Add ".obj" file extension.
1567 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
1568 (aix_std_libs): Add additional AIX libraries to skip.
1569 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
1570 * config/rs6000/aix51.h: New file.
1572 2001-01-25 Michael Hayes <mhayes@redhat.com>
1574 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
1575 (loop_insn_emit_before): No longer static.
1576 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
1577 (loop_givs_rescan, load_mems): Likewise.
1578 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
1579 (maybe_eliminate_biv_1):
1580 (move_movables): Replace emit_call_insn_before with
1581 loop_call_insn_hoist.
1582 * loop.h (loop_insn_emit_before): Add.
1583 * unroll.c (copy_loop_body): Replace emit_insn_before with
1584 loop_insn_emit_before.
1586 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
1588 * diagnostic.c (fatal): Request preprocessed source.
1590 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
1592 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
1593 olddecl has argument types and newdecl has none, use the argument
1596 2001-01-24 Ulrich Drepper <drepper@redhat.com>
1598 * dwarf2out.c (prefix_of): New function. Determine longest common
1599 prefix of the two arguments. The units are whole path components.
1600 (output_file_names): When adding a new directory find the one entry
1601 with the longest common prefix already in the list. Artificially
1602 generate entry if there is none for this prefix.
1603 Fix test to check whether the zeroth directory entry is used.
1605 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
1607 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
1608 Changed all callers. Take it into account when deciding if a
1609 previously loaded value matches.
1611 2001-01-24 Richard Henderson <rth@redhat.com>
1613 * reload.c (find_reloads_subreg_address): Fail the substitution
1614 if the resulting address is insufficiently aligned.
1616 2001-01-24 DJ Delorie <dj@redhat.com>
1618 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
1619 check the original operand's mode also.
1620 * simplify-rtx.c (simplify_ternary_operation): Ditto.
1622 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
1624 * c-parse.in (cast_expr): Move compound literals from here ...
1625 (primary): ... to here. Use standard terminology "compound
1626 literal" instead of "constructor expression".
1628 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
1630 * gcc.1, cpp.1: Regenerate.
1632 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
1634 * calls.c (emit_library_call_value_1): Memory slot for
1635 pass-by-reference argument should have the mode of the argument,
1636 not of the pointer to it.
1638 2001-01-24 Tom Tromey <tromey@redhat.com>
1640 * gcc.texi (G++ and GCC): Mention gcj manual.
1641 (Standards): Link to section of manual mentioning gcj/Java
1644 2001-01-24 Jakub Jelinek <jakub@redhat.com>
1646 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
1647 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
1648 * tradcpp.c (main): Add -imacros or -include'd dependencies
1650 * cpp.texi (-M, -MM): Document -M -include behaviour.
1652 2001-01-24 Roger Collins <roger@ProProject.com>
1654 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
1656 2001-01-24 Will Cohen <wcohen@redhat.com>
1658 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
1659 whether registers are 32 bits or 64 bits in size.
1661 2001-01-24 Ben Elliston <bje@redhat.com>
1663 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
1665 2001-01-24 Richard Henderson <rth@redhat.com>
1667 * config/alpha/alpha.md (builtin_longjmp_internal): New.
1668 (builtin_longjmp): Use it instead of emit_indirect_jump.
1670 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
1672 * bb-reorder.c (make_reorder_chain_1): Handle case where
1673 jump edge goes to the same block as the fallthru edge.
1675 2001-01-23 Jim Wilson <wilson@redhat.com>
1677 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
1678 * frame.h (__ia64_personality_v1): Add prototype.
1679 * libgcc2.c (ia64_throw_helper): Change personality declaration to
1680 prototype form. Add void * cast to first argument to personality
1682 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
1683 (asctoe113): Likewise.
1684 * config/ia64/frame-ia64.c: Include eh-common.h.
1685 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
1687 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
1689 (itanium_split_issue): Add prototype.
1690 (gen_nop_type): Ifdef out.
1691 (find_best_packet): Initialize best_packet.
1692 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
1694 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
1695 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
1696 (flushrs): Add explicit stop bit at end.
1697 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
1700 2001-01-23 Chris Demetriou <cgd@broadcom.com>
1702 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
1704 * libgcc2.c (__terminate_func): Make variable static.
1705 (__terminate_set_func): New function to set __terminate_func.
1706 * libgcc2.h (__terminate_func_ptr): New typedef.
1707 (__terminate_set_func): New function.
1709 2001-01-23 Richard Henderson <rth@redhat.com>
1711 * flow.c (init_propagate_block_info): Don't consider unchanging
1712 memories for dead frame store elimination.
1714 2001-01-23 Richard Henderson <rth@redhat.com>
1716 * varasm.c (UNIQUE_SECTION): Move default implementation ...
1717 * defaults.h: ... here.
1719 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1721 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
1723 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
1725 * c-lex.c (lex_charconst): Fix typo: s/p/str.
1727 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1729 * rs6000.h (rs6000_return_addr): Move prototype from here...
1730 * rs6000-protos.h (rs6000_return_addr): ...to here.
1731 (rs6000_init_expanders): Delete prototype.
1733 2001-01-23 Nick Clifton <nickc@redhat.com>
1735 * invoke.texi: Replace , with \, inside @gccoptlist macros.
1736 (Spec Files): Document %B and %j and %. and %v3 and %M and
1737 %{S*&T} spec switches.
1739 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1741 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
1743 2001-01-23 Chris Demetriou <cgd@sibyte.com>
1744 Neil Booth <neil@daikokuya.demon.co.uk>
1746 * cpperror.c: Merge handlers of PEDWARN and WARNING.
1747 Have -Werror make pedantic warnings errors, like the
1750 2001-01-23 Phil Edwards <pme@sources.redhat.com>
1752 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
1754 2001-01-23 Jakub Jelinek <jakub@redhat.com>
1756 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
1757 * integrate.c (expand_inline_function): Initialize them.
1758 (subst_constants): If changing COMPARE so that both its arguments
1759 will be VOIDmode and the comparison mode will be lost, note
1760 compare_mode. Use the recorded compare_mode to optimize
1763 2001-01-23 Jason Merrill <jason@redhat.com>
1765 * dwarf2out.c (new_die): Use xcalloc.
1766 (output_die): Abort rather than emit a local reference to offset 0.
1768 2001-01-17 Andrew Haley <aph@redhat.com>
1770 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
1771 of a saved register; return NULL instead.
1772 (copy_reg): Take a pointer to a source register rather than a
1774 (next_stack_level): Remember the address in the stack frame of all
1776 Use the saved register pointer array as the source of the CFA.
1777 (throw_helper): Rewrite. Unwind once rather than twice and keep
1778 track of saved registers as we go.
1780 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1782 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
1783 * c4x.c (c4x_legitimize_reload_address): Remove.
1784 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
1785 reload address for ldp(k) insn.
1787 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
1789 * pa.md (return_internal): Add a USE of the PIC register to ensure
1790 it is restored after each call.
1791 (return expander): Corresponding changes.
1793 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1795 * rs6000.h (INIT_EXPANDERS): Delete.
1796 (RETURN_ADDR_RTX): Call rs6000_return_addr().
1797 * rs6000.c (rs6000_override_options): Call *_machine_status from
1799 (rs6000_init_expanders): ...instead of here. Delete.
1800 (rs6000_mark_machine_status): New function.
1801 (rs6000_init_machine_status): Use xcalloc.
1802 (rs6000_return_addr): Generate RTX for the return address.
1803 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
1804 (rs6000_stack_info): Use it.
1806 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
1808 * gthr-win32.h: Include errno.h to get a declaration for
1809 EINVAL and _mingw.h if the target is mingw32.
1811 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
1813 * cpp.texi: Correct typos.
1815 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1817 * explow.c (probe_stack_range): Ensure value passed to
1818 stack_check_libfunc is ptr_mode, not Pmode.
1820 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
1822 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
1823 case, don't use operand_subword to calculate a SUBREG that is
1826 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
1828 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1830 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
1831 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
1832 valid. If not replace it by equivalent insns.
1834 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1836 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
1837 contains SYMBOL_REF, LABEL_REF and CONST_INT.
1838 (c4x_U_constraint, symbolic_address_operand): Likewise.
1839 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
1841 (c4x_r11_set_p, c4x_check_laj_p): New functions.
1842 * c4x-protos.h (c4x_check_laj_p): Add prototype.
1843 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
1844 anulling slot because of silicon bug.
1845 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
1847 2001-01-22 Alan Modra <alan@linuxcare.com.au>
1849 * cppexp.c (parse_charconst): Change `mask' type to agree
1852 2001-01-21 Richard Henderson <rth@redhat.com>
1854 * config/i386/i386.c (ix86_asm_file_end): Disable putting
1855 pic_label_name in a linkonce section.
1857 2001-01-17 Philipp Thomas <pthomas@suse.de>
1859 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
1861 * configure: Regenerate.
1863 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
1865 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
1866 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
1868 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
1870 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
1871 If REVERSE nonzero then condition code in X must be reversed.
1872 (encode_section_info): Optimise if/else.
1873 (avr_function_value): Fix formatting.
1875 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
1876 (difficult_branch): Likewise.
1877 (rvbranch): Likewise.
1878 (difficult_rvbranch): Likewise.
1880 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
1882 * config/avr/libgcc.S: Fix comment.
1884 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
1886 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
1888 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
1890 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
1892 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
1894 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
1895 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
1896 * configure, config.in: Regenerate.
1897 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
1898 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
1899 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
1900 (doprint.o): New rule.
1902 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
1904 * c-typeck.c (digest_init): Handle boolean types as scalars.
1906 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1908 * stmt.c (expand_return): Don't return anything if size is zero.
1909 Delete redundant assignment to BYTES.
1910 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
1912 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
1914 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
1915 the same as the default library function names.
1916 * config/avr/avr.md: Document special characters after '%'.
1917 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
1918 knowing which of the call-used registers are really clobbered.
1919 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
1920 New. Both quotient and remainder from one libgcc.S call.
1921 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
1922 clobber as few registers as possible.
1923 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
1925 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
1927 * cppmacro.c (funlike_invocation_p): Don't move back up to the
1928 context of the top of the stack.
1930 2001-01-20 Jakub Jelinek <jakub@redhat.com>
1932 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
1933 (fixup_var_refs_insns): ...here.
1935 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
1937 * function.c (fixup_var_refs_insns): Break up into
1938 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
1939 [loop over entire insn list], and fixup_var_refs_insns_with_hash
1940 [loop over hash table entries].
1941 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
1942 fixup_var_refs_insns_with_hash, to match above changes.
1944 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
1946 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
1947 (libgcc.a): Likewise.
1948 (stmp-multilib): Likewise.
1949 (STAGE2_FLAGS_TO_PASS): Likewise.
1951 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
1953 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
1954 temporary if no_new_pseudos.
1956 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
1958 * cppinternals.texi: Update.
1960 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
1962 * arm.c (arm_init_builtins): Re-enable builtins.
1964 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1966 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
1967 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
1968 element to be null, and always expect an EXPR_LIST.
1969 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
1970 * sched-deps.c (sched_analyze_1): Likewise.
1971 * sched-rgn.c (check_live_1, update_live_1): Likewise.
1973 * regclass.c (max_set_parallel): New variable.
1974 (reg_scan): Take it into account in computation of max_parallel.
1975 (reg_scan_mark_refs, case SET): Compute it.
1977 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
1979 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
1980 * function.c (assign_parms): Use INTVAL for a CONST_INT.
1982 2001-01-19 Jason Merrill <jason@redhat.com>
1984 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
1985 for the abstract instance of an inline function.
1987 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
1988 J"orn Rennecke <amylaar@redhat.com>
1990 * reload1.c (move2add_note_store): Treat all registers directly or
1991 indirectly derived from a base register as members of the same set
1993 (reload_cse_move2add): Adjust accordingly. Take mode and offset
1994 of base register into account.
1996 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
1998 * alias.c (find_base_value): Recognize TRUNCATE.
1999 (record_set): In PLUS case, invalidate if other summand is also a
2002 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2004 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
2005 entry to be EXPR_LIST.
2006 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
2007 be an EXPR_LIST (but not null, which other code doesn't allow).
2008 (note_stores): Properly handle PARALLEL in SET.
2009 Recursively call for top-level PARALLEL.
2010 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
2011 * sched-rgn.c (check_live_1, update_live_1): Likewise.
2013 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
2015 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
2017 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
2018 not pfile->skipping (== 0).
2020 2001-01-17 Nick Clifton <nickc@redhat.com>
2022 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
2025 2001-01-17 Jim Wilson <wilson@redhat.com>
2027 * invoke.texi (IA-64 options): Improve.
2029 2001-01-17 Tom Tromey <tromey@redhat.com>
2031 * invoke.texi (Optimize Options): Use `{}' to around @samp
2034 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
2036 * invoke.texi (-fno-guess-branch-probability): New option.
2038 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2040 * combine.c (try_combine): Don't set i3_subst_into_i2 for
2041 case of making new double-word constant.
2042 Revert last change: instead just test i3_subst_into_i2.
2044 2001-01-17 Jakub Jelinek <jakub@redhat.com>
2046 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
2047 Use q constraints instead of r.
2049 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
2051 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
2052 (machine_function): Define.
2053 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
2054 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
2055 pa_free_machine_status): New functions.
2056 (override_options): Set {init,mark,free}_machine_status to above.
2057 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
2058 PIC_OFFSET_TABLE_REGNUM_SAVED.
2059 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
2060 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
2061 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
2062 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
2063 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
2065 2001-01-15 DJ Delorie <dj@redhat.com>
2067 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
2071 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2073 * flow.c (propagate_on_insn): Make trying to delete a prologue
2074 or epilogue insn an ICE, not a warning. Allow doing this if
2075 the current function returns with stack pointer depressed.
2077 * combine.c (try_combine): If i3_subst_into_i2, properly check for
2078 I3 having more than one SET.
2080 2001-01-16 Jim Wilson <wilson@redhat.com>
2082 * invoke.texi: Document IA-64 options.
2084 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
2085 (fixup_errata): Delete TARGET_A_STEP use.
2086 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
2087 (TARGET_SWITCHES): Delete -ma-step option.
2088 * config/ia64/ia64.md (all FP patterns): Delete %B0.
2089 (movqicc_astep, movqi_internal_astep, movhicc_astep,
2090 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
2091 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
2092 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
2093 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
2095 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
2096 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
2097 cmovsi_internal): Delete ! TARGET_A_STEP check.
2099 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2101 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
2102 possibility to report bugs via postal mail. Change a URL and
2103 merge in a nearly duplicate statement...
2104 (Bug Reporting): ...from here.
2105 (Service): Refer to the Bug Reporting section instead of
2107 (Contributing): Remove trivial explanations concerning snapshots.
2109 2001-01-16 Alan Modra <alan@linuxcare.com.au>
2111 * cppmain.c (general_init): Don't use ANSI prototype.
2113 2001-01-16 Tom Tromey <tromey@redhat.com>
2115 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
2117 2001-01-16 Richard Henderson <rth@redhat.com>
2119 * config/i386/i386.h: Fix comment typo.
2120 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
2121 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
2123 2001-01-16 Phil Edwards <pme@sources.redhat.com>
2125 * gcc.c: Revert previous -fsyntax-only-related change; move
2128 2001-01-16 Jakub Jelinek <jakub@redhat.com>
2130 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
2131 inmode after checking GET_CODE (op).
2133 2001-01-16 Richard Henderson <rth@redhat.com>
2135 * flow.c (struct propagate_block_info): Add mem_set_list_len.
2136 (MAX_MEM_SET_LIST_LEN): New.
2137 (propagate_one_insn): Update mem_set_list_len.
2138 (invalidate_mems_from_autoinc): Likewise.
2139 (invalidate_mems_from_set): Likewise.
2140 (mark_used_regs): Likewise.
2141 (init_propagate_block_info): Likewise. Stop collecting memories
2142 when we reach MAX_MEM_SET_LIST_LEN.
2143 (mark_set_1): Likewise.
2145 2001-01-16 Richard Henderson <rth@redhat.com>
2147 * unroll.c (precondition_loop_p): Fail if no iteration
2150 2001-01-16 Phil Edwards <pme@sources.redhat.com>
2152 * gcc.c: When -fsyntax-only is given, do not complain about
2155 2001-01-15 Richard Henderson <rth@redhat.com>
2157 * config/i386/i386.c (asm_output_function_prefix): Remove.
2158 (ix86_asm_file_end): New.
2159 (load_pic_register): Generate pic_label_name into a
2160 staticly allocated buffer.
2161 * config/i386/i386-protos.h: Update.
2162 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
2163 (ASM_FILE_END): New.
2164 * config/i386/i386afe.h: New file.
2165 * config.gcc (i?86-*-elf) [tm_file]: Use it.
2166 (i?86-*-{freebsd,linux*,moss*}): Likewise.
2167 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
2168 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
2169 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
2170 * config/i386/sco5.h (ASM_FILE_END): Likewise.
2171 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
2173 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
2175 * Makefile.in (install-man): Remove explicit dependency on
2178 * configure.in, configure: Revert previous patch requiring perl
2181 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
2183 * toplev.c (flag_guess_branch_prob): New.
2184 (f_options): Add guess-branch-probability option.
2185 (rest_of_decl_compilation): Only estimate branch probability if
2187 (main): set flag_guess_branch_prob.
2189 * flags.h (flag_guess_branch_prob): New.
2191 2001-01-15 DJ Delorie <dj@redhat.com>
2193 * gcc.texi (Makefile): Add documentation for Makefile targets.
2195 2001-01-15 Philip Blundell <philb@gnu.org>
2197 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
2199 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
2200 (is_pic): Delete declaration.
2201 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
2202 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
2203 * config/arm/arm.md (builtin_setjmp_receiver): New.
2205 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
2207 * arm.c (use_return_insn): Don't try to determine the function type
2208 until after reload has completed.
2209 (arm_output_epilogue): Don't adjust the sp value recovered from the
2211 (emit_multi_reg_push): Don't record dwarf information for the pc.
2212 * arm.md (eh_epilogue): The function type may have changed, so it
2213 needs to be recalculated.
2214 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
2215 unwind tables on arm/netbsd.
2217 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
2219 * arm.md (cbranchsi4): Correct calculation of branch ranges.
2220 (negated_cbranchsi4): Likewise.
2222 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
2224 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
2225 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
2226 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
2227 pass -mapcs-* options to assembler.
2228 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
2229 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
2230 (ASM_SPEC): Call subtarget_extra_asm_spec.
2232 2001-01-15 Andreas Jaeger <aj@suse.de>
2234 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
2236 (ix86_expand_builtin): Likewise.
2238 * gencodes.c (output_predicate_decls): Make i size_t to avoid
2239 warning about comparison between signed and unsigned.
2241 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
2243 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
2245 2001-01-14 Ralf Baechle <ralf@gnu.org>
2247 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
2248 SUBTARGET_CPP_SPEC apropriatly.
2250 2001-01-12 Mark Mitchell <mark@codesourcery.com>
2252 * varasm.c (make_decl_rtl): Fix typo in last change.
2254 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
2256 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
2257 linker supports the init_priority C++ attribute.
2258 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
2259 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
2260 linker does not support init_priority C++ attribute.
2262 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
2264 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
2266 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
2268 * c-parse.in (finish_parse): Add comment about cpp_destroy.
2269 * cp/lex.c (finish_parse): Similarly.
2270 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
2271 Return the number of errors encountered.
2272 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
2273 * cppmain.c (main): Don't call cpp_destroy.
2275 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
2277 * configure.in: Require at least perl 5.6.0 to regenerate
2279 * configure: Regenerate.
2281 2001-01-14 Richard Henderson <rth@redhat.com>
2283 * genrecog.c (DT_veclen_ge): New.
2284 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
2285 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
2286 (nodes_identical_1): Handle DT_veclen_ge.
2287 (write_cond, debug_decision_2): Likewise.
2289 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
2291 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
2293 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
2295 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
2297 * cppmain.c (do_preprocessing): New function; most of the old
2299 (main): Call it to do most of the work.
2300 (cb): Move from global scope to set_callbacks ().
2301 (setup_callbacks): Get the callback pointer.
2302 (general_init, printer_init): Clean up code and comments.
2304 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
2306 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
2309 2001-01-14 Kazu Hirata <kazu@hxi.com>
2311 * config/h8300/h8300.c (get_shift_alg): Update comments.
2313 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2315 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
2316 (alloc_page, ggc_alloc): Add casts to remove warnings.
2318 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
2320 * combine.c (simplify_comparison): Don't change `code' when
2321 can't reverse comparison.
2323 2001-01-14 Richard Henderson <rth@redhat.com>
2325 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
2326 update all call sites. Return true for all non-label constants.
2328 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
2330 * i386.c (ix86_expand_compare): Add bypass_test and second_test
2332 (ix86_expand_branch): Update.
2333 (ix86_expand_setcc): Update to handle multiple test conditions.
2334 (expand_int_movcc): Likewise.
2335 (expand_fp_movcc): Likewise.
2336 * i386-protos.h (ix86_expand_compare): New.
2337 * i386.md (andqi_?_slp, orqi_?_slp): New.
2338 (conditional trap expander): Update call to ix86_expand_compare.
2340 2001-01-14 Richard Henderson <rth@redhat.com>
2342 * config/vax/vax.md: Use nonimmediate_operand instead of
2343 general_operand in destinations.
2345 * config/vax/vax.md (indirect_jump): Use register_operand.
2347 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
2348 * config/vax/vax.md (call_pop): Turn into an expander.
2349 (call_value_pop): Likewise.
2350 (call, call_value): New.
2352 2001-01-14 Andreas Jaeger <aj@suse.de>
2354 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
2356 (ix86_fp_compare_mode): Add unused attribute.
2357 (ix86_expand_fp_movcc): Remove unused variable.
2358 (ix86_expand_builtin): Make fcode unsigned.
2360 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
2361 (expand_expr): Add cast to avoid signed warning.
2362 (store_field): Likewise.
2363 (store_constructor_field): Likewise.
2364 (store_constructor): Likewise.
2365 (store_expr): Likewise.
2366 (clear_storage): Likewise.
2367 (emit_group_store): Likewise.
2368 (emit_group_load): Likewise.
2370 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
2372 * c-common.c: Move format checking code to ...
2373 * c-format.c: ... here. New file. Reorder some functions and
2375 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
2377 * c-common.h (decl_handle_format_attribute,
2378 decl_handle_format_arg_attribute): Declare.
2379 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
2380 (c-common.o): Adjust dependencies.
2381 (c-format.o): New list of dependencies.
2383 2001-01-13 Jakub Jelinek <jakub@redhat.com>
2385 * unroll.c (loop_iterations): If we cannot prove iteration variable
2386 is set once in each iteration, punt.
2388 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
2390 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
2391 (*strlenhi): Remove clobber (which was buggy) of output address.
2393 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
2395 * Makefile.in (generated-manpages): Add gcc.1
2396 ($(srcdir)/gcc.1): New target.
2397 (maintainer-clean): Delete $(srcdir)/gcc.1.
2398 * gcc.texi: Add macros @gccoptlist and @gol.
2399 * invoke.texi: Include option summary in manpage. Mark up option
2400 summary with @gccoptlist and @gol. Use @r in one place where
2402 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
2403 * gcc.1: Generate from invoke.texi.
2405 2001-01-13 Richard Henderson <rth@redhat.com>
2407 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
2408 (struct page_entry): Add group member.
2409 (struct page_group): New.
2410 (struct globals): Add page_groups member.
2411 (alloc_anon): Only define for using mmap; remove valloc call.
2412 (page_group_index): New.
2413 (set_page_group_in_use): New.
2414 (clear_page_group_in_use): New.
2415 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
2416 (free_page, release_pages): Likewise.
2417 * configure.in (with-gc): Default to ggc-page always.
2419 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
2421 * reload1.c (replace_pseudos_in_call_usage): Use
2422 reg_equiv_constant and reg_equiv_address, and don't try
2423 regno_reg_rtx first.
2425 2001-01-13 Richard Henderson <rth@redhat.com>
2427 * ggc-page.c (alloc_page): Round up allocation size to one page.
2428 Set e->order on extra pages.
2430 2001-01-13 Richard Henderson <rth@redhat.com>
2432 * genrecog.c (nodes_identical): Expand commentary.
2433 (write_switch): Watch out for identical nodes.
2435 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2437 * cppfiles.c (_cpp_fake_include): New function.
2438 * cpphash.h (_cpp_fake_include): New.
2439 * cpplib.c (do_line): Call _cpp_fake_include when entering
2440 header files in preprocessed input.
2441 * cppmain.c (cb_pragma_implementation): Remove handling.
2442 (setup_callbacks): Don't register pragmas.
2444 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2446 * extend.texi: Udate for CPP.
2448 2001-01-13 Andreas Jaeger <aj@suse.de>
2450 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
2452 * regmove.c: Add prototype for replace_in_call_usage.
2454 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2456 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
2457 struct cpp_chunk, struct htab, struct toklist,
2458 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
2459 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
2460 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
2461 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
2462 (struct macro_args): Delete.
2463 * cpphash.h: See above.
2465 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2467 * cppmain.c (struct printer): Remove no_line_dirs.
2469 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
2470 : Use options rather than CPP_OPTION.
2471 (setup_callbacks): Use cb rather than pfile->cb.
2472 (main): No need to check for a buffer. Use cpp_errors.
2473 (printer_init): Don't set no_line_dirs.
2474 (maybe_print_line): Use options not no_line_dirs.
2475 (cb_file_change): Don't call print_line if -P.
2477 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2479 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
2481 * c-parse.in (finish_parse): Use cpp_errors.
2482 (__yylex): Use return value of cpp_pop_buffer.
2483 * cp/lex.c (finish_parse): Use cpp_errors.
2484 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
2486 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
2488 * README.AVR: URLs corrected.
2490 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2492 * c-decl.c (start_function): Don't warn if old prototype is builtin
2493 that's not in C's namespace.
2494 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
2495 (_bb): Add prototype for ctime.
2496 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
2498 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
2500 * i386.c (ix86_fp_comparison_arithmetics_cost,
2501 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
2502 ix86_fp_comparison_cost): New functions.
2503 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
2504 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
2505 two-branch sequences; make static.
2506 (ix86_use_fcomi_compare): Do decision according to the costs.
2507 (split_fp_branch): New.
2508 * i386.md (compare-and-branch patterns): Use split_fp_branch.
2509 * i386-protos.h (ix86_expand_fp_compare): Remove
2510 (ix86_split_fp_branch): Declare.
2512 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
2513 and ix86_comparison_operator.
2515 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
2518 * i386.c (put_condition_code): Output properly the unordered/ordered
2519 compares in fp case.
2520 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
2522 * tm.texi (REVERSE_CONDITION): Document.
2523 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
2524 in -ffast-math mode.
2525 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
2527 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
2529 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
2531 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
2534 * config/sh/sh.c (mova_p): Fix test for mova_const.
2536 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2538 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
2539 cpp_get_options rather than dereferencing pfile and using
2541 * scan-decls.c (scan_decls): Use return value of
2542 cpp_pop_buffer rather than CPP_BUFFER.
2544 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2546 * cppinit.c (cpp_handle_option): help_only is now part of the
2547 cpp_options structure.
2548 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
2549 cpp_set_callbacks): New functions.
2550 * cpplib.h (cpp_callbacks): Break out as a named structure.
2551 (cpp_options): Move help_only here from cpp_reader.
2552 (CPP_FATAL_ERRORS): Update to use cpp_errors.
2553 (cpp_errors, cpp_get_options, cpp_get_callbacks,
2554 cpp_set_callbacks): New prototypes.
2555 * cppmain.c (main): Update for help_only.
2557 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
2559 * Makefile.in (info, maintainer-clean, install-info, uninstall):
2560 Also build and remove and install and uninstall c-tree.info and
2562 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
2563 ($(srcdir)/cppinternals.info): New target.
2564 * c-tree.texi: Change file name used when makeinfo used without -o
2565 from ir.info to c-tree.info. Add info directory entry.
2566 * cppinternals.texi: Add info directory entry.
2567 * .cvsignore: Update.
2569 2001-01-12 Jakub Jelinek <jakub@redhat.com>
2571 * c-typeck.c (store_init_value): Don't require constant initializer
2572 elements with -pedantic -std=c99.
2573 (digest_init): Change error about non-constant initializer elements
2575 (constructor_range_end): Remove.
2576 (constructor_incremental, designator_depth,
2577 designator_errorneous): New variables.
2578 (struct constructor_stack): Remove range_end, add incremental.
2579 (struct constructor_range_stack, constructor_range_stack): New.
2580 (struct initializer_stack): Add constructor_range_stack.
2581 (finish_init): Set it.
2582 (start_init): Likewise. require_constant_elements for non-static
2583 trees only if not flag_isoc99.
2584 (really_start_incremental_init): Remove constructor_range_end, add
2585 constructor_incremental.
2586 (pop_init_level): Likewise.
2587 (push_init_level): Likewise. If implicit and the subobject had some
2588 value set already, preinitialize the level with it.
2589 Warn about missing braces only if not pushing due to designators.
2590 (set_designator, push_range_stack): New functions.
2591 (set_init_label): Use them.
2592 (set_init_index): Likewise. Remove constructor_range_end.
2593 Error if designator index is outside of array bounds.
2594 (add_pending_init): Compare values of purpose index trees, not the
2595 trees themselves. Allow overwriting of already initialized element.
2596 Issue a warning if it had side-effects.
2597 (set_nonincremental_init, set_nonincremental_init_from_string): New
2599 (pending_init_member): Rename to...
2600 (find_init_member): ...this function. Call set_nonincremental_init
2601 if necessary. Compare values of purpose index trees, not the trees
2602 themselves. Return the actual value, not just non-zero if something
2604 (output_init_element): Remove checks for duplicates.
2605 If field has zero size, only check the initializer for correctness.
2606 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
2607 if constructor_incremental is zero. Change error about initializers
2608 not computable at load time into pedwarn.
2609 (output_pending_init_elements): Compare bit positions, not
2610 FIELD_DECLs to take into account zero-sized fields.
2611 (process_init_element): Use constructor_range_stack to fill all
2612 ranges in the designator lists from current level up.
2613 * extend.texi: Update documentation for labeled elements.
2615 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
2617 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
2618 to function usage for arguments passed by reference. Optimize
2619 callee-copied arguments.
2620 * regmove.c (replace_in_call_usage): New function.
2621 (fixup_match_1): Call it.
2622 * cse.c (cse_insn): Canonicalize registers in function usage.
2623 * reload1.c (replace_pseudos_in_call_usage): New function.
2626 * Makefile.in: Reverted yesterday's wrong patch. Installed the
2629 2001-01-12 Jakub Jelinek <jakub@redhat.com>
2631 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
2634 2001-01-12 DJ Delorie <dj@redhat.com>
2636 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
2637 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
2640 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
2642 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
2643 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
2644 -std options alongside references to -ansi. Update some
2645 documentation for C99.
2646 * cpp.1: Regenerate.
2648 2001-01-12 Andreas Jaeger <aj@suse.de>
2650 * haifa-sched.c (restore_line_notes): Remove argument block B
2652 * sched-ebb.c (schedule_ebb): Change caller.
2653 * sched-rgn.c (schedule_region): Likewise.
2654 * sched-int.h (restore_line_notes): Adjust prototype.
2656 * loop.h: Remove wrong declaration of doloop_condition_get.
2658 2001-01-12 Phil Edwards <pme@sources.redhat.com>
2660 * extend.texi: Move C++-extension-related node from the C section
2661 into the C++ section.
2663 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
2665 * extend.texi: Refer to an array of pointers to functions instead
2666 of one of functions.
2668 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
2669 Jan Hubicka <jh@suse.cz>
2671 * combine.c (reversed_comparison): Fix typo in last patch.
2673 (combine_reversed_comparison_code): Make static to follow
2674 prototype declaration.
2676 2001-01-12 Phil Edwards <pme@sources.redhat.com>
2678 * install.texi: Remove misplaced duplicate entry.
2680 2001-01-11 Ulrich Drepper <drepper@redhat.com>
2682 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
2684 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
2686 * final.c: (leaf_function_p): Fix typo.
2688 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
2690 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
2691 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
2693 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
2694 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
2695 mmap_anon, and valloc is available.
2696 * ggc-page.c: Restructure ifdef logic to match new autoconf
2697 spec. Don't throw away the test page in init_ggc.
2699 * configure, config.in: Regenerate.
2701 2001-01-12 Michael Hayes <mhayes@redhat.com>
2703 * loop.h (total_biv_increment): Constify iv_class pointer.
2704 (struct induction): Replace `mem_mode' with `mem' rtx.
2705 * unroll.c (total_biv_increment): Constify iv_class pointer.
2706 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
2707 (find_mem_givs, combine_givs_p): Likewise.
2708 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
2710 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
2712 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
2714 (__gthread_getspecific): Ditto.
2716 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
2718 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
2719 put_condition_code): Convert fp comparison codes to integer
2721 (ix86_expand_fp_compare): Postnote the fp comparison code converison
2724 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
2725 * i386-protos.h (no_comparison_operator): Kill.
2727 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
2729 * combine.c (REVERSIBLE_CC_MODE): Remove.
2730 (reversible_comparison_p): Remove.
2731 (combine_reversed_comparison_code): New.
2732 (reversed_comparison): New.
2733 (combine_simplify_rtx): Use
2734 combine_reversed_comparison_code/reversed_comparison instead
2735 of reversible_comparison_p.
2736 (simplify_if_then_else): Likewise.
2737 (simplify_set): Likewise.
2738 (simplify_logical): Likewise.
2739 (if_then_else_cond): Likewise.
2740 (known_cond): Likewise.
2741 (simplify_comparison): Likewise.
2743 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
2745 * builtins.c (std_expand_builtin_va_start): Handle varargs when
2746 sizeof (int) is larger than sizeof(__word__).
2748 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
2750 * cppinit.c (do_includes): Fix typo.
2752 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2754 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
2755 in S_REGS does not occur because not all sources are possible
2756 when a S_REGS is a destination (sometimes needs a clobber).
2757 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
2758 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
2759 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
2760 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
2761 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
2762 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
2763 (lshrdi_const1, lshrsi3_const16): Likewise.
2764 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
2765 (*movhi_68hc12, *movqi_68hc12): Likewise.
2766 (movstrictqi): Make sure reloading in D_REGS as a destination
2769 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
2771 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
2773 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
2775 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
2776 -D, -U and -A, and don't initialize the builtins.
2777 (do_includes): Error if -include or -imacros with -fpreprocessed.
2778 * cppmain.c (cb_define, cb_undef): Unconditionally process
2780 * tradcpp.c (main): Fix typo.
2782 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
2784 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
2785 (read_name_map): Use IS_ABSOLUTE_PATH.
2786 * tradcpp.c (get_filename): Likewise.
2788 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2790 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
2791 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
2792 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
2793 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
2794 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
2795 (cmphi_z_used): Don't use '@' for the output.
2796 (tstqi_z_used): Likewise.
2797 (cmpqi_z_used): Likewise.
2798 (one_cmplsi2): Likewise.
2800 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
2802 * config/sh/sh.c (barrier_align): Recognize branch around far
2803 branch and redundant insn.
2805 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
2807 * invoke.texi: Restore documentation of the drivers' switches -MD
2810 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
2812 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
2814 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
2815 check-objc//%): Support parallel testing of multilibs.
2816 (TESTSUITEDIR): Set to testsuite by default, but override for
2818 (check-gcc, check-g++, check-g77, check-objc): Enter
2821 2001-01-11 Bernd Schmidt <bernds@redhat.com>
2823 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
2824 * sched-deps.c (deps_may_trap_p): Likewise.
2825 * basic-block.h: Remove a comment.
2826 * flow.c (PROP_POSTRELOAD): Remove.
2827 (update_life_info): Don't add it to prop_flags.
2828 (mark_set_1): Lose the code that was enabled by it.
2830 2001-01-11 Michael Hayes <mhayes@redhat.com>
2832 * flow.c (flow_call_edges_add): New.
2833 * basic_block.h (flow_call_edges_add): New.
2835 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
2837 * reload1.c (move2add_note_store): Update reg_set_luid even if
2838 base reg remains the same.
2840 2001-01-10 Nick Clifton <nickc@redhat.com>
2842 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
2843 machine_function structure to zero.
2844 Add prototypes for machine_status functions.
2846 2001-01-10 Mark Mitchell <mark@codesourcery.com>
2848 * c-common.h (CTI_VOID_LIST): Remove.
2849 (void_list_node): Likewise.
2850 * tree.h (TI_VOID_LIST_NODE): New enumeral.
2851 (void_list_node): New macro.
2852 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
2853 * config/i386/i386.c (ix86_init_builtins): Likewise.
2854 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
2856 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
2858 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
2859 * cppinit.c (cpp_start_read): Update comment, remove unneeded
2861 * tradcpp.c: Include mkdeps.h.
2862 (deps, print_deps_phony_targets, deps_append, output_deps,
2863 init_dependency_output, output_deps): New.
2864 (deps_buffer, deps_allocated_size, deps_size, deps_column,
2865 deps_output): Delete.
2866 (print_deps_missing_files): Rename deps_missing_files.
2867 (inhibit_output): Make global.
2868 (main): Delete inhibit_output, deps_stream, deps_target.
2869 Use mkdeps functionality in the same way as cpplib. Remove
2870 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
2871 -M and -MM. Remove old handling of deps via deps_out, and
2872 old reading of environment variables.
2873 (get_filename): Update to use deps_add_dep.
2875 2001-01-10 Mark Mitchell <mark@codesourcery.com>
2877 * output.h (make_function_rtl): Remove prototype.
2878 (make_decl_rtl): Likewise.
2879 * varasm.c (make_function_rtl): Remove.
2880 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
2881 than from a third parameter.
2882 * tree.h (make_decl_rtl): Remove last parameter.
2883 * c-decl.c (builtin_function): Remove last argument in call to
2884 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
2885 (start_function): Likewise.
2886 * except.c (call_get_eh_context): Likewise.
2887 * expr.c (emit_block_move): Likewise.
2888 (clear_storage): Likewise.
2889 * profile.c (output_func_start_profiler): Likewise.
2890 * toplev.c (rest_of_decl_compilation): Likewise.
2891 * objc/objc-act.c (create_builtin_decl): Likewise.
2892 (synth_module_prologue): Likewise.
2893 (generate_static_reference): Likewise.
2894 (build_selector_reference_decl): Likewise.
2895 (build_class_reference_decl): Likewise.
2896 (build_objc_string_decl): Likewise.
2897 (build_protocol_reference): Likewise.
2899 2001-01-10 Richard Henderson <rth@redhat.com>
2901 * hwint.h: Revert yesterday's change.
2903 2001-01-10 Nick Clifton <nickc@redhat.com>
2905 * function.h (save_machine_status): Delete.
2906 (restore_machine_status): Delete.
2907 Amend comment describing {init|mark|free}_machine_status.
2909 * function.c (save_machine_status): Delete.
2910 (restore_machine_status): Delete.
2911 Amend comment describing {init|mark|free}_machine_status.
2912 (push_function_context_to): Remove invocation of
2913 save_machine_status.
2914 (pop_function_context_from): Remove invocation of
2915 restore_machine_status.
2917 * emit-rtl.c (init_emit_once): Amend comment describing
2918 {init|mark|free}_machine_status.
2920 * tm.texi (Per-Function Data): New node. Describe the
2921 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
2924 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
2926 * cppinit.c (OPT_g): Remove.
2927 (cpp_handle_option): Update for removed -g3.
2928 (print_help): Update.
2929 * cpplib.h (struct cpp_options): Remove debug_output.
2930 * cppmain.c (setup_callbacks, cb_define): Update.
2931 * gcc.c (cpp_options): Translate -g3 to -dD.
2933 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
2935 * config/i960/i960.md: Change modifier to + on the zero_extract
2936 pattern after the (rotate -2 reg) canonicalization pattern.
2938 2001-01-10 Richard Henderson <rth@redhat.com>
2940 * config/alpha/alpha.c (alpha_free_machine_status): New.
2941 (override_options): Install it.
2942 (alpha_mark_machine_status): Verify machine non-null.
2943 * config/i386/i386.c (ix86_free_machine_status): New.
2944 (override_options): Install it.
2945 (ix86_init_machine_status): Use xcalloc.
2946 (ix86_mark_machine_status): Verify machine non-null.
2947 * config/ia64/ia64.c (ia64_free_machine_status): New.
2948 (ia64_override_options): Install it.
2949 (ia64_mark_machine_status): Verify machine non-null.
2951 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
2953 * function.c (instantiate_virtual_regs): Instantiate virtual
2954 registers found in CALL_INSN_FUNCTION_USAGE.
2956 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
2958 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
2959 equivalent to -ansi in disabling -Di386.
2961 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
2963 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
2965 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
2967 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
2969 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
2971 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
2973 * invoke.texi: Document that -fcond-mismatch isn't supported for
2976 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
2978 * gcc.texi: Define macro gcctabopt.
2979 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
2980 @command, @env and @option in some places where appropriate. Use
2981 @gcctabopt where appropriate. Put URLs and email addresses inside
2984 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
2986 * gcc.c (cpp_options): Set MD file name from output
2987 filename, if specified.
2988 (suffix_subst): New static variable.
2989 (do_spec): Clear it.
2990 (do_spec_1, case '.'): Handle new `%.suffix' spec.
2992 (give_switch): Handle suffix_subst.
2994 2001-01-10 Phil Edwards <pme@sources.redhat.com>
2996 * invoke.texi: Fix another typo.
2998 2001-01-10 Phil Edwards <pme@sources.redhat.com>
3000 * invoke.texi: Fix typo.
3002 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
3004 * c-lang.c (lang_hooks): Update.
3005 (lang_decode_option): Remove.
3006 (lang_init_options): Rename c_init_options.
3007 * toplev.c (main): Use lang_hooks for lang_init_options
3008 and lang_decode_option.
3009 * toplev.h (lang_hooks): Add 2 new hooks.
3010 * tree.h: Remove lang_init_options and lang_decode_option.
3011 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
3012 * cp/decl2.c: Similarly.
3013 * cp/lex.c (lang_init_options): Rename cxx_init_options.
3014 (lang_hooks): Update.
3015 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
3017 (lang_init_options): Rename ffe_init_options.
3018 (lang_hooks): Update.
3019 (lang_decode_option): Remove.
3020 * java/lang.c (lang_init_options): Rename java_init_options.
3021 (lang_decode_option): Rename java_decode_option.
3022 (lang_hooks): Update.
3023 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
3024 (lang_decode_option): Rename objc_decode_option.
3025 (lang_hooks): Update.
3027 2001-01-09 Nick Clifton <nickc@redhat.com>
3029 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
3030 (d30v_return_addr_rtx): Delete.
3031 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
3032 cfun->machine structure.
3033 (struct machine_function): Move to d30v.h
3034 (d30v_save_machine_status): Delete.
3035 (d30v_restore_machine_status): Delete.
3036 (d30v_init_machine_status): New Function.
3037 (d30v_mark_machine_status): New Function.
3038 (d30v_free_machine_status): New Function.
3039 (d30v_init_expanders): Use new functions.
3040 (d30v_return_addr): Use ra_rtx field in cfun->machine.
3041 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
3042 d30v_return_addr_rtx.
3044 * config/d30v/d30v.h (struct_machine): Move here.
3045 Add eh_epilogue_sp_ofs field.
3047 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
3048 field in cfun->machine structure.
3050 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
3052 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
3053 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
3054 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
3056 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
3058 * objc/lang-options.h: Remove bogus reference to
3061 2001-01-09 Kazu Hirata <kazu@hxi.com>
3063 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
3066 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
3068 * reload.c (find_reloads_address): Check for eliminable registers
3069 when substituting a constant expression for a pseudo.
3071 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
3073 * c-common.c (enum format_type): Add format_type_error.
3074 (decode_format_type): New function.
3075 (decl_attributes): Use it.
3076 (format_kind_info): Adjust comment.
3078 2001-01-09 David O'Brien <obrien@BSDi.com>
3080 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
3081 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
3083 * config/i386/gnu.h: Don't include required platform specific .h files,
3084 tm.h will do it instead.
3085 * config/i386/i386elf.h: Likewise.
3086 * config/i386/linux.h: Likewise.
3087 * config/i386/moss.h: Likewise.
3088 * config/mips/gnu.h: Likewise.
3090 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3092 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
3093 (rs6000-ibm-aix3.[01]*): Likewise.
3094 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
3095 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
3096 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
3097 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
3098 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
3099 (powerpc-*-eabiaix*): Likewise.
3100 (powerpc-*-eabisim*): Likewise.
3101 (powerpc-*-elf*): Likewise.
3102 (powerpc-*-eabi*): Likewise.
3103 (powerpc-*-rtems*): Likewise.
3104 (powerpc-*-linux*libc1): Likewise.
3105 (powerpc-*-linux*): Likewise.
3106 (powerpc-wrs-vxworks*): Likewise.
3107 (powerpcle-wrs-vxworks*): Likewise.
3108 (powerpcle-*-sysv*): Likewise.
3109 (powerpcle-*-elf*): Likewise.
3110 (powerpcle-*-eabisim*): Likewise.
3111 (powerpcle-*-eabi*): Likewise.
3112 (powerpcle-*-solaris2*): Likewise.
3113 * config/rs6000/aix31.h: Delete includes.
3114 * config/rs6000/aix3newas.h: Likewise.
3115 * config/rs6000/aix41.h: Likewise.
3116 * config/rs6000/aix43.h: Likewise.
3117 * config/rs6000/beos.h: Likewise.
3118 * config/rs6000/rtems.h: Likewise.
3119 * config/rs6000/sysv4.h: Likewise.
3121 2001-01-09 Kazu Hirata <kazu@hxi.com>
3123 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
3124 Change an argument mode of machine_mode to shift_mode of
3125 shift_mode. Remove an extra error check.
3126 (emit_a_shift): Adopt to the new calling prototype of
3128 (function_prologue): Fix code for a monitor
3129 function. Support H8/S.
3130 (function_epilogue): Do not output pop for a monitor function.
3132 2001-01-09 Nick Clifton <nickc@redhat.com>
3134 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
3135 (setup_incoming_varargs): Use sysv_varargs_p field of the
3136 cfun->machine structure.
3137 (struct machine_function): Move to rs6000.h
3138 (rs6000_save_machine_status): Delete.
3139 (rs6000_restore_machine_status): Delete.
3140 (rs6000_init_machine_status): New Function.
3141 (rs6000_free_machine_status): New Function.
3142 (rs6000_init_expanders): Use new functions.
3144 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
3146 (struct machine_function): Move here.
3148 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
3149 sysv_varargs_p field of the cfun->machine structure.
3151 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
3153 (rs6000_restore_machine_status): Remove prototype.
3155 2001-01-09 Richard Henderson <rth@redhat.com>
3157 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
3158 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
3159 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
3160 (sched_analyze_2, sched_analyze_insn): Likewise.
3161 (sched_analyze, init_deps): Likewise.
3162 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
3163 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
3164 (compute_block_backward_dependences): Update propagate_deps call.
3166 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
3168 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
3170 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
3172 * cppinit.c (OPT_MD, OPT_MMD): Restore.
3173 (cpp_handle_option): Handle them.
3174 (cpp_post_options): Ensure one of -M or -MM is specified with
3175 any other -M? option.
3176 (init_dependency_output): Suppress output with -MG.
3178 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
3181 * invoke.texi: Update.
3183 2001-01-09 Bernd Schmidt <bernds@redhat.com>
3185 * sh.md (reload_outsf): Generate recognizable patterns for
3188 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
3190 * c-lang.c (lang_hooks): Update.
3191 (lang_init): Rename c_init.
3192 (lang_finish): Remove.
3193 * toplev.c (compile_file): Use lang_hooks for lang_init ()
3195 * toplev.h (lang_hooks): Add init () and finish ().
3196 * tree.h (lang_init, lang_finish): Remove.
3197 * cp/tree.h (lang_init, lang_finish): Remove.
3198 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
3199 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
3201 (lang_init, lang_finish): Remove.
3202 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
3203 (lang_hooks): Update.
3204 * java/lang.c (lang_init): Rename java_init.
3205 (lang_finish): Remove.
3206 (lang_hooks): Update.
3207 * objc/objc-act.c (lang_init): Rename objc_init.
3208 (lang_finish): Remove.
3209 (lang_hoooks): Update.
3211 20001-01-09 Graham Stott <grahams@redhat.com>
3213 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
3214 after `ptr` is initialised.
3216 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
3218 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
3219 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
3220 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
3221 stack adjusts, instead of r3.
3223 2001-01-09 Michael Hayes <mhayes@redhat.com>
3225 * flow.c (flow_loop_scan): Break out of ...
3226 (flow_loops_find) ... here.
3227 * basic-block.h (flow_loop_scan): New.
3228 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
3229 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
3231 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
3233 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
3235 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
3236 realloc()ing macro_buffer.
3238 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
3239 if it's wider than long and the target's long is wider than the
3242 2001-01-09 Mark Mitchell <mark@codesourcery.com>
3244 Remove support for using UWIN as a host machine.
3245 * configure.in: Issue an error message.
3246 * configure: Regenerated.
3247 * config.gcc: Remove xm_* UWIN configury.
3248 * config/i386/xm-uwin.h: Remove.
3250 2001-01-08 Nick Clifton <nickc@redhat.com>
3252 * config/v850/v850.c (ra_rtx): Delete.
3253 (v850_save_machine_status): Delete.
3254 (v850_restore_machine_status): Delete.
3255 (v850_init_machine_status): New function.
3256 (v850_mark_machine_status): New function.
3257 (v850_free_machine_status): New function.
3258 (v850_return_addr): Use ra_rtx field in machine structure.
3259 (v850_init_expanders): Use new functions.
3261 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
3262 * config/v850/v850.c: Change arguments to v850_output+* functions
3263 to take a const char *, to avoid compile time warning.
3264 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
3265 (USER_LABEL_PREFIX): Redefine.
3267 2000-01-08 Jim Wilson <wilson@redhat.com>
3269 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
3270 1 to unsigned HOST_WIDE_INT before left shift.
3272 2001-01-08 Nick Clifton <nickc@redhat.com>
3274 * config/arm/arm.c (arm_mark_machine_status): Check to see if
3275 the machine structure has been allocated.
3276 (arm_free_machine_status): New function: Free the machine
3277 specific function structure.
3279 2001-01-08 Richard Henderson <rth@redhat.com>
3281 * jump.c (simplejump_p): Revert last change.
3283 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
3285 * cppinit.c (init): Rename init_library.
3286 (cpp_create_reader): Update.
3287 * gcc.c (cpp_options): If -o given, use it as the target of
3290 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
3292 * arm.c (arm_arch5e): New variable.
3293 (all_cores): XScale is a 5TE device.
3294 (arm_override_options): Set arm_arch5e.
3295 (arm_init_builtins): __builtin_prefetch is in arch5e.
3296 * arm.h (arm_arch5e): Declare it.
3298 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
3300 * arm.md (define_constants): Add defines for UNSPEC and
3301 UNSPEC_VOLATILE insns. Update all users.
3302 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
3303 * arm.c (multi_register_push, note_invalid_constants)
3304 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
3305 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
3306 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
3308 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
3310 * jump.c (jump_optimize_1): Use reversed_comparison_code
3311 instead of can_reverse_comparison_p.
3312 (jump_back_p): Likewise.
3313 (invert_exp_1): Likewise.
3314 (thread_jumps): Likewise.
3315 * simplify-rtx.c (simplify_unary_operation): Likewise.
3316 (simplify_ternary_operation): Likewise.
3317 * cse.c (find_comparison_args): Convert to use
3318 can_reverse_comparison_p.
3319 (record_jump_equiv): Likewise.
3321 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
3323 * arm.h (HARD_REGNO_RENAME_OK): Delete.
3324 (EPILOGUE_USES): Define.
3325 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
3326 automatically stack the LR if it isn't live.
3328 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
3330 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
3333 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
3335 * ggc-page.c (max_alignment): New structure.
3336 (MAX_ALIGNMENT): New macro.
3337 (init_ggc): Use it to round up the sizes in the
3338 extra_order_size_table.
3340 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3342 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
3345 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3347 * builtins.def (BUILT_IN_FPRINTF): New entry.
3349 * c-common.c (c_expand_builtin_fprintf): New function.
3350 (init_function_format_info): Handle __builtin_fprintf.
3351 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
3352 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
3354 * c-decl.c (duplicate_decls): Adjust comment.
3356 * extend.texi (fprintf): Document new builtin.
3358 2001-01-07 Richard Henderson <rth@redhat.com>
3360 * jump.c (simplejump_p): Recognize any single_set jump
3363 2001-01-07 Richard Henderson <rth@redhat.com>
3365 * configure.in (slibdir): Accept an --with-slibdir option.
3366 Use "test" not "[" in configure. Default to $(libdir).
3368 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
3370 * config/t-aix43 (SHLIB_INSTALL): Likewise.
3371 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
3372 (SHLIB_LINK): Create links for the soname.
3373 * config/mips/t-iris6: Likewise.
3374 * config/sparc/t-slibgcc: Likewise.
3375 * config/sparc/t-slibgcc-sld: Likewise.
3377 2001-01-07 Jakub Jelinek <jakub@redhat.com>
3379 * config/i386/i386.c (constant_call_address_operand): Accept
3380 (const (plus (symbol_ref) (const_int))).
3381 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
3382 constant_call_address_operand.
3384 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3386 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
3387 and LONG_LONG_TYPE_SIZE > 32.
3389 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3391 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
3392 the previous change.
3394 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
3396 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
3398 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
3399 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
3400 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
3403 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
3405 * fix-header.c (read_scan_file): s/pfile/scan_in/.
3407 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
3409 * c-lang.c (c_post_options): Call cpp_post_options.
3410 * objc/objc-act.c (objc_post_options): Similarly.
3411 * cppmain.c (main): Similarly.
3412 * fix-header.c (read_scan_file): Similarly.
3413 * cppinit.c (cpp_start_read): Move option consistency checks
3414 to cpp_post_options. Don't call init_dependency_output.
3415 If needed, add default target and main file dependency.
3416 (OPT_MD, OPT_MMD): Remove.
3418 (cpp_handle_option): Update for OPT_* changes.
3419 (cpp_post_options): New.
3420 (init_dependency_output): Command line -MF overrides environment
3421 variables. Don't set default target etc. Suppress output
3422 if dependencies are going to stdout.
3423 (print_help): Update.
3424 * cpplib.h (cpp_post_options): New.
3425 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
3427 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
3429 * jump.c (comparison_dominates_p): Support unordered compares.
3431 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
3433 * simplify-rtx.c (simplify_relational_operation): Always simplify
3434 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
3437 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
3439 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
3440 (nonzero_bits): Likewise.
3441 (simplify_comparison): Likewise.
3442 (num_sign_bit_copies): Likewise; return more sane value depending
3443 on STORE_FLAG_VALUE.
3444 (known_cond): Do not assume EQ to be always true for equivalent
3447 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
3449 * cse.c (fold_rtx): Handle unordered comparisons.
3451 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
3453 * rtlanal.c (set_of_1): New static function.
3454 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
3455 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
3456 reg_set_last_last_regno): Remove.
3457 (set_of): New global function.
3458 (set_of_data): New structure.
3459 (reg_set_p, reg_set_last): Revamp for set_of.
3460 * rtl.h (set_of): New.
3462 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
3464 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
3465 * extend.texi: Document _Exit builtin.
3467 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
3469 * (initialize, initialize_builtins,
3470 initialize_dependency_output, initialize_standard_includes):
3471 Rename s/initialize/init. Update.
3472 (init_dependency_output): Move to after
3473 cpp_handle_options, the correct location temporally at least.
3474 (opt_comp): Move next to init (), its caller. Fix prototype.
3475 (init): Make "initialized" local scope.
3476 (cpp_create_reader): Always call init ().
3477 (cpp_start_read): Update.
3478 (output_deps): New function, broken out of cpp_finish.
3479 (cpp_finish): Break out output_deps.
3481 2001-01-07 Richard Henderson <rth@redhat.com>
3483 * collect2.c (COFF specific stuff): Revert 12-06 patch
3484 to prototype system functions.
3486 2001-01-07 Michael Hayes <mhayes@redhat.com>
3488 * hard-reg-set.h: Add multiple include guard.
3489 * basic-block.h (struct loop): Add `sink' field.
3490 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
3491 (emit_iv_add_mult): Delete.
3492 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
3493 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
3494 (unroll_loop): Remove end_insert_before argument.
3495 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
3496 (maybe_eliminate_biv_1): Likewise.
3497 (emit_iv_add_mult): Delete.
3498 (gen_add_mult, loop_regs_update): New.
3499 (loop_insn_emit_after, loop_insn_emit_before): New.
3500 (loop_insn_sink, loop_insn_sink_or_swim): New.
3501 (emit_iv_add_mult): Delete.
3502 (scan_loop): Set loop->sink.
3503 (loop_givs_reduce): Use loop_insn_sink and its ilk.
3504 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
3505 (maybe_eliminate_biv_1): Likewise.
3506 (maybe_eliminate_biv_1): Add basic block argument.
3507 * unroll.c (unroll_loop): Remove end_insert_before argument.
3508 (find_splittable_regs): Likewise.
3509 (find_splittable_regs): Use loop_insn_sink and its ilk.
3510 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
3512 2001-01-07 Michael Hayes <mhayes@redhat.com>
3514 * loop.h (loop_insn_hoist): New prototype.
3515 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
3516 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
3517 (check_dbra_loop, load_mems): Likewise.
3518 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
3519 (find_splittable_givs): Likewise.
3521 2001-01-07 Michael Hayes <mhayes@redhat.com>
3523 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
3525 2001-01-07 Richard Henderson <rth@redhat.com>
3527 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
3529 2001-01-07 Richard Henderson <rth@redhat.com>
3531 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
3532 NO_SHARED_LIBGCC_MULTILIB as required for the target.
3533 * gcc.c (init_spec): Massage the existing libgcc_spec into a
3534 variant that handles a shared libgcc.
3535 (process_command): Always validate -{static,shared}-libgcc.
3536 (do_spec_1): New 'M' case.
3537 * invoke.text (Link Options): Document -{static,shared}-libgcc.
3539 2001-01-07 Richard Henderson <rth@redhat.com>
3541 * Makefile.in (slibdir): New variable.
3542 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
3543 (installdirs): Create slibdir.
3544 (install-libgcc, install-multilib): Defer to libgcc.mk.
3545 * configure.in (slibdir): Substitute.
3546 * mklibgcc.in (install): New target.
3548 * config/t-linux (SHLIB_LINK): Create links for the soname.
3549 (SHLIB_INSTALL): New.
3550 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
3551 * config/mips/t-iris6 (SHLIB_INSTALL): New.
3552 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
3553 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
3554 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
3556 2001-01-07 Richard Henderson <rth@redhat.com>
3558 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
3559 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
3560 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
3562 2001-01-07 Michael Hayes <mhayes@redhat.com>
3564 * loop.c (count_loop_regs_set): Delete.
3565 (load_mems_and_recount_loop_regs_set): Delete.
3566 (loop_regs_scan): Merge common code from count_loop_regs_set,
3567 scan_loop, and load_mems_and_recount_loop_regs_set.
3568 (scan_loop): Call load_mems directly and loop_regs_scan
3569 again if new registers created.
3571 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
3573 * toplev.c (main): Call the front-end specific post_options
3574 hook if one is given.
3575 * toplev.h (struct_lang_hooks, lang_hooks): New.
3576 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
3577 for the C front end.
3578 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
3579 lang_hooks for the C++ front end.
3580 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
3581 lang_hooks for the ObjC front end.
3582 * f/com.c (lang_hooks): Hooks for the Fortran front end.
3583 * java/lang.c (lang_hooks): Hooks for the Java front end.
3585 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
3587 * c-lex.c (init_c_lex): Request #define / #undef callbacks
3588 for verbose DWARF[2] debugging.
3589 (cb_define, cb_undef): The new callbacks.
3590 * toplev.h (debug_define, debug_undef): Make const correct.
3591 * toplev.c (debug_define, debug_undef): Similarly. Do not
3592 perform the verbosity tests here anymore.
3594 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
3596 * reload.c (subst_reloads): Take INSN argument. When
3597 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
3598 * reload.h (subst_reloads): Adjust prototype.
3599 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
3600 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
3601 present in JUMP_INSNs and copy them to JUMP_LABEL.
3602 * flow.c (find_label_refs, find_basic_blocks_1): Skip
3603 JUMP_INSNs and insns with REG_LABELs that are followed by
3604 JUMP_INSNs with the same REG_LABEL.
3605 * sched-rgn.c (is_cfg_nonregular): Likewise.
3606 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
3608 * unroll.c (unroll_loop): Look for REG_LABEL notes in
3610 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
3612 2001-01-06 Richard Henderson <rth@redhat.com>
3614 * loop.c (scan_loop): Use xcalloc for the regs array.
3615 (load_mems_and_recount_loop_regs_set): Zero the new memory
3616 received from xrealloc.
3618 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
3620 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
3622 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
3624 * integrate.c (copy_rtx_and_substitute): When copying
3625 an ignored return value, strip REG_FUNCTION_VALUE_P.
3627 2001-01-06 Michael Hayes <mhayes@redhat.com>
3629 * loop.c (debug_biv, debug_giv): New.
3630 (loop_biv_dump): Break out from ...
3631 (record_biv): ... here.
3632 (loop_giv_dump): Break out from ...
3633 (record_giv): ... here.
3634 (loop_bivs_check): Use print_simple_rtl.
3635 * unroll.c (loop_iterations): Use print_simple_rtl.
3637 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
3639 * pa.md (return, return_internal): Modify patterns to prevent regrename
3640 mucking with the return pointer.
3642 2001-01-05 Richard Henderson <rth@redhat.com>
3644 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
3646 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
3648 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
3649 version supplied by Matteo Frigo.
3651 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
3653 * cpp.texi: Update for -MQ.
3654 * cppinit.c (cpp_create_reader): Always create pfile->deps.
3655 (cpp_cleanup): Always free pfile->deps.
3656 (initialize_dependency_output): Don't create pfile->deps.
3657 (cpp_handle_option): Similarly.
3659 * gcc.c (cpp_options): Handle -MQ.
3660 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
3661 * mkdeps.c (base_name): Remove.
3662 (deps_init): Don't allocate vector space until it's needed.
3663 (deps_free): Only free vectors if allocated.
3664 (deps_add_target, deps_add_dep): Update for initial allocation.
3665 (deps_add_default_target): Don't strip to the base_name.
3667 2001-01-05 DJ Delorie <dj@redhat.com>
3669 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
3670 (INIT_EXPANDERS): Define.
3672 * config/v850/v850.c (struct machine_function): Define.
3673 (v850_save_machine_status): New function.
3674 (v850_restore_machine_status): New function.
3675 (v850_return_addr): New function.
3676 (v850_init_expanders): New function.
3678 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
3679 and v850_init_expanders.
3681 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
3683 * cpplib.h (struct cpp_reader): Add help_only field.
3684 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
3685 (cpp_handle_option): Set pfile->help_only if we see -h,
3686 --help, -target-help, or --version. Print version string but
3687 do not set help_only if we see -v or -version. Make text
3688 printed by -v match that printed by (-)-version.
3690 * cppmain.c (main): Exit after option parsing if
3691 pfile->help_only is true.
3693 * toplev.c (independent_decode_option): Call print_version,
3694 then exit, if we see --version (but not -version).
3695 (print_version): Split lengthy message into two lines.
3697 2001-01-05 Nick Clifton <nickc@redhat.com>
3699 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
3700 temporary string for initialisation before calling ggc_alloc_string.
3702 2001-01-06 Michael Hayes <mhayes@redhat.com>
3704 * rtl.h (print_simple_rtl): New.
3705 * print-rtl.c (print_simple_rtl): New.
3707 (print_rtx): Disable printing of flags and modes, etc.,
3708 if `flag_simple` nonzero.
3710 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
3712 * function.c (fixup_var_refs): Use push_to_full_sequence where
3715 2001-01-05 Michael Meissner <meissner@redhat.com>
3717 * flags.h (flag_reorder_blocks): Add declaration.
3718 (flag_rename_block): Ditto.
3720 2001-01-05 DJ Delorie <dj@redhat.com>
3722 * function.c (reorder_blocks): Make sure the flags are all reset
3723 before using them to mark blocks, else a second invocation will
3724 corrupt the block chain.
3725 (reorder_blocks_0): New, resets the flags.
3727 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
3729 * cse.c (find_comparison_args): Stop if the argument is known to
3732 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
3734 * config/sh/sh.md (movdf): When splitting load into pair of
3735 registers, don't clobber the register used in the address too
3738 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
3740 * varasm.c (mark_constant_pool): Improve initial comments.
3741 (mark_constants): Move marking of constants to mark_constant.
3742 (mark_constant): New function to recursively mark all constants
3743 referred to by a constant.
3745 2001-01-05 Catherine Moore <clm@redhat.com>
3747 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
3749 2001-01-05 Phil Edwards <pme@sources.redhat.com>
3751 * cp/lang-options.h: Bring comment in line with reality.
3752 * f/lang-options.h: Likewise.
3753 * java/lang-options.h: Likewise.
3754 * objc/lang-options.h: Likewise.
3755 * ch/lang-options.h: Likewise.
3756 * f/g77.texi: And update the manual.
3758 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
3759 Denis Chertykov <denisc@overta.ru>
3761 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
3762 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
3763 * config/avr/avr.md (all peepholes that request a scratch register):
3764 Call it, FAIL the peephole if not safe (in interrupt functions).
3766 2001-01-05 Mark Mitchell <mark@codesourcery.com>
3768 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
3770 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
3772 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
3774 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
3775 BUILT_IN_CREAL and BUILT_IN_CIMAG.
3776 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
3777 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
3778 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
3780 * extend.texi: Document these builtins.
3782 2001-01-05 Daniel Berlin <dberlin@redhat.com>
3784 * c-common.c (lang_get_alias_set): Say we know nothing of
3785 VECTOR_TYPE aliasing.
3787 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
3789 2001-01-05 Bruce Korb <bkorb@gnu.org>
3791 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
3792 their x* equivalent versions for atexit-less systems
3793 * fixinc/fixincl.c(main): do not return from main() on atexit-less
3794 systems (or any other system any more).
3796 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
3798 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
3799 output operands. Use arm_hard_register_operand for operand 4.
3800 (stmsi_postinc): Similarly.
3801 (ldmsi): Use arm_hard_register_operand for opernand 2.
3803 * arm.c (arm_hard_register_operand): New function.
3804 * arm-protos.h (arm_hard_register_operand): Prototype it.
3806 * arm.h (HARD_REGNO_RENAME_OK): Define.
3808 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
3810 * simplify-rtx.c (cfc_args): add "unordered" field.
3811 (check_fold_consts): Set unordered field.
3812 (simplify_relational_operation): Simplify the unordered
3815 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
3818 * emit-rtl.c (try_split): Fix code to mark labels.
3819 * jump.c (mark_jump_label): Make global.
3820 * rtl.h (mark_jump_label): Declare.
3822 * predict.c (estimate_probability): Handle unordred comparisons.
3824 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
3826 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
3827 * cppinit.c (initialize_dependency_output): Update.
3828 (cpp_finish): Output dummy targets for -MP.
3830 (cpp_handle_option): Handle -MP. Don't quote -MT options.
3831 * cpplib.h (struct cpp_options): Add deps_phony_targets.
3832 * gcc.c (cpp_options): Update to handle -MP.
3833 * mkdeps.c (deps_add_target, deps_add_default_target): Update
3834 to quote only the default target.
3835 (deps_phony_targets): Insert a preceding newline. Rename from
3836 deps_dummy_targets for consistency.
3839 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
3841 * calls.c (emit_library_call_value_1): Support
3842 INIT_CUMULATIVE_LIBCALL_ARGS.
3843 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
3845 2001-01-04 Richard Henderson <rth@redhat.com>
3847 * c-decl.c (finish_struct): Detect flexible array members
3848 used in an inappropriate context.
3849 * c-typeck.c (really_start_incremental_init): Special case
3850 constructor_max_index for zero length arrays.
3851 (pop_init_level): Allow initialization of flexible array
3852 members. Deprecate initialization of zero length arrays.
3853 Don't issue missing initializer warning for flexible array
3854 members or zero length arrays.
3855 (process_init_element): Don't dereference null DECL_SIZE.
3856 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
3857 Don't abort for empty constructors. Use size_binop
3858 (output_constructor): Add commentary regarding zero length
3859 array futures. Abort if we try to initialize an array of
3860 unspecified length with a non-empty constructor in the middle
3863 * extend.texi (Zero Length): Update and clarify documentation
3864 on static initialization.
3866 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3868 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
3869 with more than 32767 words of local storage.
3871 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3873 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
3874 for 'abs', 'labs', and 'fabs'.
3875 (c4x_expand_builtin): Likewise.
3876 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
3878 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
3880 * config/sh/sh.md (prget, prset): New insn types.
3881 (return delay slot): Dont' allow prset.
3882 (call, sfunc delay slot): Don't allow prget.
3883 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
3884 for prset and prget.
3886 2001-01-05 Michael Hayes <mhayes@redhat.com>
3888 * loop.h (struct loop_reg): New.
3889 (struct loop_regs): Change to use array of `struct loop_reg'.
3890 * loop.c: Replace assortment of varrays with single regs array.
3891 (count_one_set): Delete may_not_move array argument
3892 and use regs array instead. All caller's changed.
3893 (count_loop_regs_set): Delete may_not_move and single_usage
3894 arguments and use regs array instead. All caller's changed.
3895 (find_single_use_in_loop): Replace usage array argument with pointer
3896 to regs structure. All caller's changed.
3897 (loop_optimize): Delete `moved_once' array.
3899 2001-01-05 Michael Hayes <mhayes@redhat.com>
3901 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
3902 Use it instead of loop_info->has_call for scanning loop mems.
3903 (check_dbra_loop): Replace loop_info->has_call test with
3904 loop_info->has_nonconst_call.
3906 2000-01-04 Matthew Hiller <hiller@redhat.com>
3908 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
3911 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
3913 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
3914 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
3916 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
3918 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
3919 (flag_short_double, flag_short_wchar): Define.
3920 (c_common_nodes_and_builtins): Create many tree nodes shared
3921 between C and C++ here instead of in cp/decl.c and ...
3922 * c-decl.c (init_decl_processing): ... here.
3923 (SIZE_TYPE, WCHAR_TYPE): Don't define.
3924 (flag_short_double, flag_short_wchar): Don't define.
3925 (record_builtin_type): New function.
3926 (build_void_list_node): New function.
3927 * c-common.h (flag_short_double, flag_short_wchar,
3928 record_builtin_type, build_void_list_node): Declare.
3930 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
3932 * integrate.c (expand_inline_function): Don't put a virtual
3933 register into the reg map.
3935 * function.c (fixup_var_refs_1): If force_operand didn't put
3936 the address into the target, move it there.
3938 2001-01-04 Mark Mitchell <mark@codesourcery.com>
3940 Special-case tree_decl/tree_list allocations.
3941 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
3942 (OBJECT_SIZE): New macro.
3943 (NUM_EXTRA_ORDER): Likewise.
3944 (extra_order_size_table): New variable.
3945 (NUM_ORDERS): New macro.
3946 (objects_per_page_table): New variable.
3947 (object_size_table): New variable.
3948 (G.pages): Use NUM_ORDERS to bound the array.
3949 (G.page_tails): Likewise.
3950 (DIV_ROUND_UP): Remove.
3951 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
3952 (alloc_page): Use OBJECT_SIZE.
3953 (size_lookup): Don't make it const.
3954 (ggc_alloc): Use OBJECT_SIZE.
3955 (ggc_set_mark): Likewise.
3956 (ggc_get_size): Likewise.
3957 (init_ggc): Set up the object_size_table, objects_per_page_table,
3958 and adjust size_lookup.
3959 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
3960 (ggc_pop_context): Use NUM_ORDERS.
3961 (clear_marks): Likewise.
3962 (sweep_pages): Likewise.
3963 (poison_pages): Likewise.
3964 (ggc_print_statistics): Use OBJECT_SIZE.
3966 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3968 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
3969 Only call array_size_for_constructor if last field and array type
3970 with no upper bound.
3972 2001-01-04 Philip Blundell <philb@gnu.org>
3974 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
3975 from bit 31 downwards, if this requires no more insns.
3976 (count_insns_for_constant): New helper function for above.
3978 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
3980 * gencodes.c (output_predicate_decls): Remove empty initializer.
3982 2001-01-04 Mark Mitchell <mark@codesourcery.com>
3984 * tree.c (copy_node): Remove documentation about obstacks.
3985 (buidl1): Check that nobody tries to build 2-argument nodes this
3988 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3990 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
3993 * gencodes.c (output_predicate_decls): Fill empty initializer
3996 2001-01-04 Jakub Jelinek <jakub@redhat.com>
3998 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
3999 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
4001 (do_include): Handle missing headers like cpp0.
4002 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
4003 paths with first include pathname. Don't strcat to uninitialized
4006 2001-01-04 Bernd Schmidt <bernds@redhat.com>
4008 * regrename.c (regrename_optimize): Don't rename from frame pointer
4009 if frame_pointer_needed.
4010 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
4011 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
4012 (ia64_reorg): Use it instead of scheduling if ! optimize.
4013 (errata_emit_nops): Properly call asm_noperands.
4014 (ia64_sched_reorder): Finish cycle if we see an asm.
4015 (ia64_variable_issue): Clear scheduling state after asms.
4017 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
4019 * cpp.texi: Update for -MT.
4020 * cppinit.c (initialize_dependency_output): Add a default
4021 target if none has been given already.
4022 (no_tgt, OPT_MT): New.
4023 (cpp_handle_option): Handle -MT. Update -M etc.
4024 * cpplib.h (struct cpp_options): Remove deps_target.
4025 * gcc.c (cpp_options): Handle -MT.
4026 * mkdeps.c (struct deps): Move from mkdeps.h.
4027 (deps_calc_target): Rename deps_add_default_target. Add a
4028 default target if none has been specified already.
4029 * mkdeps.h (struct deps): Move to mkdeps.c.
4030 (deps_calc_target): Rename deps_add_default_target.
4032 2000-01-03 Richard Henderson <rth@redhat.com>
4034 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
4036 * c-typeck.c (push_init_level): Move checks for flexible array
4037 members and zero length arrays ...
4038 (pop_init_level): ... here. Silently discard empty initializations.
4040 * varasm.c (output_constructor): Update for sizeof change to
4043 * extend.texi (Zero Length): Clarify semantics.
4045 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
4047 * configure.in (tm.h): Include isns-codes.h last.
4048 * configure: Rebuilt.
4050 2001-01-03 Richard Henderson <rth@redhat.com>
4052 * config/alpha/alpha.md (addvsi3, addvdi3): New.
4053 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
4055 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4057 * tradcpp.c (main): Make sure finclude() is called with a valid
4058 indepth value while handling -include.
4060 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
4062 * gencodes.c (output_predicate_decls): New function.
4064 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
4065 even if it is not the first time machmode.h is #included.
4066 * config/sh/sh.c (fpul_operand): Declare MODE argument.
4067 * tm.texi (PREDICATE_CODES): Document predicate declarations.
4068 * gcc.texi (Copyright): Added 2001.
4070 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
4072 * c-common.c (c_common_lang_init): New function. Warn if format
4073 warning options which only have effects when used with -Wformat
4074 are used without -Wformat.
4075 * c-common.h (c_common_lang_init): Declare.
4076 * c-lang.c (lang_init): Call c_common_lang_init.
4077 * objc/objc-act.c (lang_init): Call c_common_lang_init.
4079 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
4081 * configure.in: Check for the mktemp command.
4082 * configure: Regenerate.
4083 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
4084 $TEMP. Create temporary files with mktemp, if available at
4085 configure time; otherwise use set -C. Remove temporary files
4088 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
4090 * configure.in: Require at least texinfo 4.0. Check for whether
4091 Pod::Man is sufficiently recent to regenerate GCC manpages.
4092 * configure: Regenerate.
4093 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
4095 (GENERATED_MANPAGES): Define.
4096 (generated-manpages): New target. Depend on cpp.1 as well as
4098 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
4099 configure to generated-manpages or empty) rather than on the
4100 manpages directly. Remove execute permission from installed
4101 gcov.1 as well as cpp.1.
4102 * cpp.1, gcov.1: Regenerate.
4104 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4106 * builtins.c (expand_builtin_strncmp): Use host_integerp and
4107 tree_low_cst. Allow using cmpstrsi in more cases.
4109 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4111 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
4114 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
4116 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
4117 * Makefile.in (HOST_CFLAGS): Mention build-make.
4119 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4121 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
4124 2001-01-01 Bernd Schmidt <bernds@redhat.com>
4126 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
4129 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
4132 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
4133 reg_base_value and reg_known_value arrays.
4134 (init_alias_analysis): Add more cases to detect known values.
4135 * sched-deps.c (deps_may_trap_p): New function.
4136 (sched_analyze_2): Use it.
4138 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
4140 * combine.c (simplify_shift_const): Even if we're sign-extracting,
4141 don't discard an ASHIFTRT if we're shifting in a wider mode.
4143 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
4145 * toplev.c (rest_of_compilation): Don't print basic block information
4146 when CFG isn't up to date.
4148 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
4150 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
4151 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
4152 (UNALIGNED_SHORT_ASM_OP): Define.
4153 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
4155 2001-01-02 Mark Mitchell <mark@codesourcery.com>
4157 * fold-const.c (fold_convert): Fix typo.
4159 2001-01-02 Richard Henderson <rth@redhat.com>
4161 * c-common.h (ASM_INPUT_P): New.
4162 * c-parse.in (asm): Set it when needed.
4163 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
4164 existance of an operand.
4166 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
4168 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
4169 (dwarf2out_frame_debug_expr): Likewise.
4170 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
4172 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
4174 * i386.c (ix86_split_to_parts): Return number of part required;
4176 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
4178 (ix86_split_long_move): Use number of part returned
4179 by ix86_split_to_parts
4180 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
4182 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
4183 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
4184 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
4185 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
4186 (ALIGN_MODE_128): Add TFmode.
4187 (IS_STACK_MODE): Likewise.
4188 (HARD_REGNO_NREGS): TFmode needs 3 registers.
4189 (HARD_REGNO_OK): Support TFmodes.
4190 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
4191 * i386.md (scheduler definitions): Use memory operand to determine
4192 fst/fld instructions; use mode attribute to determine real mode of
4194 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
4195 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
4197 2001-01-02 Mark Mitchell <mark@codesourcery.com>
4199 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
4201 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
4203 * expr.c (store_constructor_field): Update ALIGN before calling
4206 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
4208 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
4211 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
4213 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
4216 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
4218 * c-decl.c (start_function): Don't warn on third parameter to main.
4220 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4222 * tsystem.h: Define HAVE_DECL_GETOPT.
4224 2001-01-02 Philip Blundell <pb@futuretv.com>
4226 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
4229 2001-01-02 Richard Henderson <rth@redhat.com>
4231 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
4233 2001-01-02 Andreas Jaeger <aj@suse.de>
4235 * c-decl.c (c_decode_option): Remove support of
4238 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
4239 (W_options): Add -Wmissing-noreturn here.
4241 * flow.c: Define lang_missing_noreturn_ok_p.
4242 (check_function_return_warnings): Use it.
4244 * c-common.h: Declare lang_missing_noreturn_ok_p.
4246 * c-lang.c (c_missing_noreturn_ok_p): New function.
4247 (lang_init): Set lang_missing_noreturn_ok_p.
4249 * invoke.texi (Warning Options): Document this.
4251 2000-12-27 Phil Edwards <pme@sources.redhat.com>
4253 * extend.texi (C++ Extensions): New node for C++ attributes;
4254 describe init_priority and com_interface.
4255 * invoke.texi: Remove -finit-priority as it now has zero effect.
4256 * install.texi: Fix xref syntax.
4257 * md.texi: Likewise.
4259 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4261 * config.gcc (sparc64-wrs-vxworks*): New case.
4262 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
4264 * config/sparc/sparc.c (sparc_override_options): Do support different
4265 pointer and architecture size.
4266 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
4267 (POINTERS_EXTEND_UNSIGNED): Define.
4268 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
4269 (FUNCTION_MODE): Define to be Pmode.
4270 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
4272 * function.c (expand_function_end): Properly handle DECL_RESULT
4273 and copy when ptr_mode != Pmode.
4274 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
4276 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4278 * c-common.c (c_common_nodes_and_builtins): Set prototype
4279 parameters for __builtin_fputs, __builtin_fputc and
4280 __builtin_fwrite. Don't declare plain fputc as a builtin.
4282 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
4284 * loop.c (add_label_notes): Increment the label usage count when
4285 a note is added to an insn which refers to a CODE_LABEL.
4286 * gcse.c (add_label_notes): Likewise.
4288 2001-01-01 Andreas Jaeger <aj@suse.de>
4290 * loop.c (scan_loop): Use xmalloc to allocate movables.
4292 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
4294 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
4295 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
4296 * reload1.c (REGISTER_MOVE_COST): Likewise.
4297 * regclass.c (REGISTER_MOVE_COST): Likewise.
4298 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
4299 dimension. Adjust all users.
4300 (init_reg_sets_1): Iterate on all modes.
4301 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
4302 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
4303 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
4304 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
4305 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
4306 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
4307 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
4308 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
4309 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
4310 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
4311 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
4312 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
4313 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
4314 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
4315 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
4316 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
4317 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
4318 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
4319 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
4320 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
4321 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
4322 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
4323 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
4324 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
4325 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
4326 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
4327 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
4329 2001-01-01 Bernd Schmidt <bernds@redhat.com>
4331 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
4332 arg VARIES_P. Call it with extra arg.
4333 (true_dependence): Likewise.
4334 * rtl.h (rtx_addr_can_trap_p): Declare.
4335 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
4337 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
4338 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
4339 pic offset table register if it's zero. All callers changed.
4340 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
4342 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4344 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
4345 STRING_POOL_ADDRESS_P.
4347 * config/sparc/sparc.c (input_operand): Properly test for short op.
4349 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
4350 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
4351 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
4352 * config/sparc/elf.h: No longer include sol2.h.
4353 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
4354 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
4356 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
4358 2001-01-01 Michael Hayes <mhayes@redhat.com>
4360 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
4361 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
4362 (record_initial): Likewise.
4363 * unroll.c (copy_loop_body, loop_iterations): Likewise.
4364 (remap_split_bivs): Likewise.
4366 2001-01-01 Michael Hayes <mhayes@redhat.com>
4368 * loop.c (loop_ivs_free): New function.
4369 (strength_reduce): Break out from...
4371 2001-01-01 Michael Hayes <mhayes@redhat.com>
4373 * loop.h (struct iv): New.
4374 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
4375 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
4376 'reg_biv_class' fields with 'regs' and 'n_regs'.
4377 (struct ivs): Rename 'loop_iv_list' field to 'list'.
4378 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
4379 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
4381 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
4383 * resource.c (mark_referenced_resources): Abort() before
4384 attempting to mark a pseudo register.
4385 (mark_set_resources): Likewise.
4387 2001-01-01 Michael Hayes <mhayes@redhat.com>
4389 * loop.h (REG_IV_CLASS): New accessor macro.
4390 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
4391 * unroll.c (REG_IV_CLASS): Likewise.
4393 See ChangeLog.4 for earlier changes.