1 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3 * final.c (output_operand_lossage): Use internal_error, not error.
5 2001-02-18 Shane Nay <shane@agendacomputing.com>
7 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
10 2001-02-18 Mark Mitchell <mark@codesourcery.com>
12 * invoke.texi (-fsquangle): Remove documentation.
13 (-fname-mangling-version): Likewise.
15 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
17 * optabs.c (expand_abs): Remove reference to
18 HAVE_contitional_arithmetic.
19 * combine.c (simplify_set): Likewise.
21 2001-02-18 Richard Henderson <rth@redhat.com>
23 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
26 2001-02-18 Richard Henderson <rth@redhat.com>
28 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
30 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
32 * reload1.c (reload_cse_simplify_set): Fix typo.
34 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
36 * diagnostic.c (_fatal_insn): Decrement errorcount.
38 * invoke.texi (-I): Add note avoiding use for system header files.
40 * rtl.h (add_clobbers): Remove duplicate declaration.
41 * recog.h (added_clobbers_hard_reg_p): New declaration.
42 * genemit.c (struct clobber_pat): New field has_hard_reg.
43 (gen_insn): Record if added clobbers clobber hard reg.
44 (gen_split): Avoid unused warning if number of operands is 0.
45 (output_added_clobbers_hard_reg_p): New function.
48 2001-02-18 Alan Modra <alan@linuxcare.com.au>
50 * pa.c (hppa_expand_prologue): Simplify code storing return
51 pointer. For large (>=8k) frames with a post_store, adjust stack
52 pointer by 8k-64 first rather than by 64. When testing with
53 VAL_14_BITS_P, always use the actual value rather than the value
54 negated. Add blockage to prevent scheduling of spills before
55 stack frame has been created.
56 (hppa_expand_epilogue): Simplify code loading return pointer.
57 Allow a slightly larger range for merge_sp_adjust_with_load case.
58 When testing with VAL_14_BITS_P, always use the actual value.
60 * pa.c (pa_adjust_insn_length): Check that block move
61 pattern is a set before looking at operands.
63 2001-02-17 Mark Mitchell <mark@codesourcery.com>
65 * fold-const.c (fold_binary_op_with_conditional_arg): New
66 function, split out from ...
68 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
69 conditional arms that throw exceptions.
71 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
74 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
76 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
77 define HAVE_DECL_* to 1 to mask potential backup declarations.
78 * configure: Regenerated.
80 2001-02-17 Mark Mitchell <mark@codesourcery.com>
82 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
84 2001-02-17 Richard Henderson <rth@redhat.com>
86 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
87 when replacing a memory load with a register.
89 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
90 Jan Hubicka <jh@suse.cz>
92 * recog.c (validate_replace_src_1): New.
93 (validate_replace_src_data): Likewise.
94 (validate_replace_src): Use note_uses.
95 * rtl.h (note_uses): Declare.
96 * rtlanal.c (note_uses): New.
98 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
100 * reg-stack.c (stack_def): Make field reg unsigned.
101 (remove_regno_note): Unsignetize parameter.
103 2001-02-16 Jes Sorensen <jes@linuxcare.com>
105 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
106 shladd_operand() call.
108 2001-02-16 Bruce Korb <bkorb@gnu.org>
109 Rodney Brown <RodneyBrown@mynd.com>
111 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
112 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
114 * fixinc/fixincl.x: regen
116 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
118 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
120 (hash_scan_insn): Clean up calls to hash_scan_set.
121 (compute_kill_rd): REGNO now unsigned.
122 (try_replace_reg): Rework to use simplify_replace_rtx.
123 (cprop_jump, cprop_cc0_jump): Likewise.
124 (cprop_insn): Call find_reg_equal_equiv_note.
125 Reflect changes to cprop_jump and cprop_cc0_jump.
127 * recog.c (validate_replace_src): Replace in operands of
128 ZERO_EXTRACT in SET_DEST.
130 * cse.c (new_label_ref): New variable.
131 (insert): Set it instead of recorded_label_ref.
132 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
133 CODE_LABEL for this function, and not already in REG_LABEL note.
135 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
137 * resource.c (mark_referenced_resources): Fix typo in introductory
139 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
142 2001-02-16 Jason Merrill <jason@redhat.com>
144 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
146 (gen_subprogram_die): Don't abort on seeing a second definition if
147 the previous one was abstract. Don't replace an abstract instance
150 * dwarf2out.c (dwarf2out_abstract_function): Rename from
151 gen_abstract_function.
152 * dwarf2out.h: Declare it.
153 * toplev.c (note_outlining_of_inline_function): New fn.
154 * toplev.h: Declare it.
155 * integrate.c (output_inline_function): Call it.
156 * c-decl.c (duplicate_decls): Call it when redefining an extern
157 inline. Don't inline the new defn.
159 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
161 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
163 * .gdbinit: Rename to gdbinit.in.
164 * gdbinit.in: New file,
165 * configure.in: Generate .gdbinit from gdbinit.in.
166 * configure: Regenerated.
167 * Makefile.in (distclean): Always remove .gdbinit.
169 2001-02-16 Jakub Jelinek <jakub@redhat.com>
171 * objc/objc-act.c (start_class): Register implemented_classes with
174 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
176 * cppfiles.c (_cpp_make_system_header): Generate a file
179 2001-02-15 Jim Meyering <meyering@lucent.com>
181 * Makefile.in (install-common): Don't depend on installdirs here.
182 Instead, make each of the lang.install-common targets (e.g.,
183 c++.install-common in cp/Make-lang.in) depend on it.
184 (install-driver): Depend on installdirs.
186 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
188 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
190 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
193 2001-02-15 Mark Mitchell <mark@codesourcery.com>
195 * invoke.texi (--param): Document.
197 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
199 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
201 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
203 * i386.md (extendsfdf2_2): Fix constraints.
205 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
207 * i386.md (fop_df_3 splitter): Fix operand number.
209 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
211 * invoke.texi (-mreg-alloc): Nuke.
212 * i386.c (ix86_reg_alloc_order, regs_allocated,
213 order_regs_for_local_alloc): Nuke.
214 (override_options): Kill reg_alloc code.
215 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
216 (REG_ALLOC_ORDER): SSE goes before I387.
217 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
218 (ix86_reg_alloc_order): Likewise.
219 * i386-protos.h (ix86_reg_alloc_order): Kill.
221 2001-02-14 Richard Henderson <rth@redhat.com>
223 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
225 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
227 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
229 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
231 * i386-protos.h (ix86_memory_move_cost): Move offline.
232 * i386.c (ix86_register_move_cost): Compute properly cost of
233 SSE, MMX and i387 instructions.
234 (*_cost): Add costs of SSE/MMX moves.
235 (ix86_memory_move_cost): Move offline from ....; Likewise.
236 * i386.h (MEMORY_MOVE_COST): .... here;
237 (struct processor costs): Add new fields to represent costs
240 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
242 * regclass.c (init_reg_sets_1): Reinstall the optimization of
243 move_cost together with Matt Kraai's fix.
245 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
247 * Makefile.in (OBJS): Add params.o.
249 2001-02-14 Richard Henderson <rth@redhat.com>
250 DJ Delorie <dj@redhat.com>
252 * jump.c (jump_optimize_1): When we delete a conditional jump
253 preceeding a non-conditional jump to effectively the same place,
254 make sure that the combined jump skips any clobber insns between
257 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
259 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
261 2001-02-14 Mark Mitchell <mark@codesourcery.com>
263 * Makefile.in (toplev.o): Depend on params.h.
264 (intergate.o): Likewise.
265 (params.o): New target.
266 * flags.h (inline_max_insns): Remove.
267 * integrate.c: Include params.h.
268 Use MAX_INLINE_INSNS instead of inline_max_insns.
269 * params.c: New file.
270 * params.h: Likewise.
271 * params.def: Likewise.
272 * toplev.c: Include params.h.
273 (lang_independent_params): New variable.
274 (decode_f_option): Use the param machinery instead of setting
276 (independent_decode_option): Handle "--param name=value".
277 (main): Register language-independent parameters.
279 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
281 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
283 2001-02-14 Richard Henderson <rth@redhat.com>
285 * regclass.c (init_reg_sets_1): Revert last two changes.
287 2001-02-14 Jakub Jelinek <jakub@redhat.com>
289 * stor-layout.c (is_pending_size, put_pending_size): New functions.
290 (variable_size): Call put_pending_size.
291 * tree.h (is_pending_size, put_pending_size): Add prototypes.
292 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
293 sizes list, put newly created SAVE_EXPR there as well.
295 2001-02-14 Jakub Jelinek <jakub@redhat.com>
297 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
298 (errata_find_address_regs): load_group has only 2 entries.
299 (errata_emit_nops): Likewise. shladd is not problematic.
300 Clear last_group if nop was emitted.
301 (fixup_errata): load_group has only 2 entries.
304 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
306 * c-lex.c (lex_number): Only warn traditionally for U suffix
307 outside system macros.
308 * cppexp.c (parse_number): Similarly.
309 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
310 * cppmacro.c (struct cpp_macro): New member node.
311 (parse_args): Only warn about missing rest args if not
313 (funlike_invocation_p): Similarly for uninvoked funlike macros.
314 (cpp_sys_objmacro_p): New.
315 (_cpp_create_definition): Store the node with the macro defn.
316 Remember if the macro is defined in a system header.
318 2001-02-13 DJ Delorie <dj@redhat.com>
320 * configure.in (check_languages): determine languages to check
321 * Makefile.in (check-c++): alias for check-g++
322 (check-f77): alias for check-g77
323 (CHECK_TARGETS): depend on configured languages
325 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
327 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
328 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
329 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
330 (sqrtextendsfdf2): Disable for SSE2.
332 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
334 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
335 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
336 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
337 (sqrtextendsfdf2): Disable for SSE2.
339 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
341 * i386.md (movsfcc_1): Support integer cmove instruction.
342 (movdfcc_1): Likewise; new splitter.
344 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
346 * i386.c (output_fp_compare): Support SSE.
347 (prepare_fp_compare_args): SSE comparisons always support memory.
348 * i386.h (TARGET_CMOVE): SSE imply cmove.
349 * i386.md (cmp?f2): Enable for SSE too.
350 (cmpfp_i*): Support SSE.
352 (cmpfp_i_sse_only): New.
353 (s*, b* fp expanters): Enable for SSE too.
354 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
357 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
359 * regclass.c (init_reg_sets_1): Silence warning.
361 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
363 * i386.md (sqrt?f2): Change to expander.
364 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
366 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
368 * rtlanal.c (find_reg_equal_equiv_note): New function.
369 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
370 (simplify_gen_relational, simplify_replace_rtx): Likewise.
371 * rtl.h: Add declarations for above functions.
373 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
375 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
377 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
378 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
379 * flow.c (mark_regs_live_at_end): Likewise.
380 (calculate_global_regs_live): Likewise.
381 * gcse.c (compute_hash_table): Likewise.
382 (compute_kill_rd): Likewise.
383 * resource.c (mark_target_live_regs): Likewise.
384 * rtl.h (INVALID_REGNUM): New macro.
386 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
388 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
390 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
392 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
395 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
397 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
399 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
400 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
401 (fop_sf_1_sse, fop_df_1_sse): New patterns
402 (fop_*): Disable float_extend and float patterns for SSE compilation.
403 * i386.c (output_387_binary_op): Support SSE.
405 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
407 * i386.md (dummy_extendsfdf2): Support SSE2
408 (extendsfdf2): Enable if 80387 or SSE2.
409 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
411 (extendsfdf2_1_sse_only): New pattern.
412 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
414 (truncdfsf2_1): Support SSE.
415 (truncdfsf2_2): Support SSE.
416 (truncdfsf2_2_1_sse): New pattern.
417 (fixtruncsfsi2): Always use SSE if available.
418 (fix_truncsfsi_sse): New pattern.
419 (fix_truncdfsi_sse): New pattern.
420 (floatsis?f2): Support SSE.
421 (floatsidf2_i387): New pattern.
422 (floatsidf2_sse): Likewise.
424 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
426 * configure.in: Use "have_gnat" variable, not "gnat".
427 * configure: Regenerated.
429 * config/sparc/sparc.c (function_value): Treat all non-record
430 aggregate types like used to treat UNION_TYPE.
432 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
434 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
435 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
437 (MASK_MIX_SSE_I387): New.
438 (TARGET_SSE): SSE2 imply SSE.
439 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
440 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
441 (enum reg_class): Add new classes.
442 (REG_CLASS_NAMES): Likewise.
443 (REG_CLASS_CONTENTS): Likewise.
444 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
445 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
446 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
447 (CLASS_MAX_NREGS): Use new macros.
448 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
449 * i386.md (pushsf, movsf): Support SSE.
450 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
451 splitters to use ANY_FP_REGNO_P.
452 (movdf_nointeger, movdf_integer): Likewise.
454 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
456 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
457 (try_combine): Use it.
459 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
461 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
462 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
463 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
464 (REGISTER_MOVE_COST): Likewise.
465 * i386-protos.h (ix86_secondary_memory_needed,
466 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
467 * i386.c (ix86_secondary_memory_needed,
468 ix86_preferred_reload_class, ix86_register_move_cost): New function.
470 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
472 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
473 (HARD_REGNO_MODE_OK): Move offline to ....
474 * i386.c (ix86_hard_regno_mode_ok) ... here;
475 refuse all incorrect modes.
476 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
478 2001-02-13 Richard Henderson <rth@redhat.com>
480 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
481 entire operator; replicate that and match_dup the operands.
482 (cmp_ccx_arith_op_set): Likewise.
483 (cmp_cc_arith_op_not_set): Likewise.
484 (cmp_ccx_arith_op_not_set): Likewise.
486 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
488 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
490 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
492 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
493 (TARGET_NO_BITFIELD_WORD): New macro.
494 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
495 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
497 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
499 * cselib.c: New file, from simplify-rtx.c.
500 * simplify-rtx.c: Remove cselib parts.
501 * Makefile.in: Add cselib.o.
503 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
505 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
506 (setup_incoming_varargs): Remove warning.
508 * config/rs6000/rs6000.c (validate_condition_mode): When
509 flag_fast_math, allow floating-point conditionals to be reversed.
510 (rs6000_generate_compare): When flag_fast_math, don't generate
511 cror operations for FP conditionals.
513 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
515 (ASM_SPEC): Likewise.
516 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
517 (CC1_SPEC): Likewise.
518 (LINK_TARGET_SPEC): Likewise.
519 (CPP_ENDIAN_SPEC): Likewise.
520 * Makefile.in (check-consistency): New target.
522 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
524 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
525 "return type defaults" warning for functions with return type
527 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
528 function declarations by default rather than only when pedantic.
530 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
532 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
535 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
537 * extend.texi (Deprecated): Deprecate new initializer lists.
539 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
541 * mkdeps.c (deps_add_default_target): Robustify. Add
542 basename component only.
543 * cpp.texi (-M): Describe how default target is generated.
544 * invoke.texi (-M): Likewise.
546 2001-02-12 Kazu Hirata <kazu@hxi.com>
548 * toplev.c (push_float_handler): Remove.
549 (pop_float_handler): Remove.
550 * toplev.h: Remove prototypes for the above functions.
552 2001-02-12 Jakub Jelinek <jakub@redhat.com>
554 * c-common.c (constant_fits_type_p): New function.
555 (convert_and_check): Use it.
557 2001-02-11 Mark Mitchell <mark@codesourcery.com>
559 * Makefile.in (GXX_ABI_FLAG): Don't define.
560 * configure.in (--enable-new-gxx-abi): Remove option.
561 * config.in: Regenerated.
562 * configure: Likewise.
564 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
566 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
568 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
569 regular basic block, and arrange for all edges into it to switch
572 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
574 * Makefile.in (distclean): Do not remove .gdbinit.
576 2001-02-11 Mark Mitchell <mark@codesourcery.com>
578 * Makefile.in (gcc.o): Fix typos.
579 (protize.o): Likewise.
580 (unprotoize.o): Likewise.
582 2001-02-11 Richard Henderson <rth@redhat.com>
584 * tree.c (build1): Check for null operand in last change.
586 2001-02-11 Richard Henderson <rth@redhat.com>
588 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
589 (fold): Don't assume a constant isn't foldable.
590 * tree.c (build): Set TREE_CONSTANT for an expression with no
591 side-effects and constant operands.
594 2001-02-10 Richard Henderson <rth@redhat.com>
596 * jump.c (squeeze_notes): Revert 2000-05-12 change.
598 2001-02-10 Anthony Green <green@redhat.com>
600 * cpp.texi (Standard Predefined): Add documentation for
603 * c-common.c (combine_strings): Improve warning message.
605 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
607 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
609 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
611 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
613 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
616 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
618 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
621 2001-02-09 Nick Clifton <nickc@redhat.com>
623 * config/arm/arm.md: Change output contraint on post inc
624 load/store multiple patterns to be a read/write contraint.
626 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
628 * gcc.c (cpp_options): Delete .d files on error. Don't delete
629 .o files when using the -M options.
631 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
632 David Edelsohn <edelsohn@gnu.org>
634 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
635 handle DImode constants. Use one TOC entry for SImode and smaller
636 constants, aligned properly.
638 2001-02-08 Jason Merrill <jason@redhat.com>
640 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
641 about the SP adjustment for saving the static chain pointer.
642 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
643 offset when setting a temporary CFA register.
645 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
647 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
648 powerpc-*-chorusos* .
649 * config/rs6000/chorus.h : New file.
650 * config/i386/chorus.h : New file.
651 * config/sparc/chorus.h : New file.
652 * config/sparc/t-chorus-elf : New file.
654 2001-02-08 David Edelsohn <edelsohn@gnu.org>
656 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
657 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
658 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
659 (__WCHAR_TYPE__): Correct macro name.
661 2001-02-08 Richard Henderson <rth@redhat.com>
663 * config/i386/i386.c (ix86_frame_pointer_required): New.
664 (ix86_setup_frame_addresses): New.
665 (struct machine_funciton): Add accesses_prev_frame.
666 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
667 ix86_frame_pointer_required.
668 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
669 (SETUP_FRAME_ADDRESSES): New.
670 * config/i386/i386-protos.h: Update.
671 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
672 from FRAME_POINTER_REQUIRED.
673 * config/i386/svr3gas.h: Likewise.
674 * config/i386/sysv3.h: Likewise.
675 * config/i386/v3gas.h: Likewise.
677 2001-02-08 Richard Henderson <rth@redhat.com>
679 * config/sparc/sparc.c (function_arg_record_value_3): Fix
680 calculation of the number of integer registers required.
681 (function_arg_record_value): Likewise.
683 2001-02-08 Jason Merrill <jason@redhat.com>
685 * diagnostic.c (internal_error): Say "confused" after 1 error, not
686 two. Print file and line with "confused" message.
688 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
690 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
692 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
694 2001-02-08 Bernd Schmidt <bernds@redhat.com>
696 * final.c (cleanup_subreg_operands): The address of a MEM can
699 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
702 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
704 * gcc.texi (Incompatibilities): Update documentation of
705 preprocessing numbers.
707 2001-02-07 Jakub Jelinek <jakub@redhat.com>
709 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
711 2001-02-07 Mark Mitchell <mark@codesourcery.com>
713 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
715 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
716 * gcc.c (struct compiler): Add cpp_spec field.
717 (input_file_compiler): New variable.
718 (do_spec_1): Allow a particular compiler to handle `%C'
720 (main): Store the current compiler in input_file_compiler.
721 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
723 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
725 * cpphash.h (struct spec_nodes): Add n_true and n_false.
726 * cppinit.c (cpp_create_reader): Initialize them.
727 (append_include_chain): cxx_aware arg might be unused.
728 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
729 keywords and give them their phase 7 meaning. Pedwarn about
730 this unless '__bool_true_false_are_defined' is defined.
732 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
734 * lcm.c (optimize_mode_switching): Emit mode_set before the
735 JUMP_INSN of an abnormal edge.
737 2001-02-07 Bernd Schmidt <bernds@redhat.com>
739 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
740 a scheduling barrier at the end.
742 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
744 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
746 * config/sh/sh.md (reload_outsf): Removed.
747 (movsf_ie): Introduce constraints for FPUL loads and stores.
748 (reload_insf): Broaden the output constraint.
750 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
752 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
753 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
755 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
757 * final.c: Revert my previous changes.
758 * output.h: Make profile_label_no extern.
759 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
760 for generating label.
762 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
764 * config/i386/djgpp.h: Add comments about standard paths.
765 (MD_EXEC_PREFIX): Undefine before defining.
766 (MD_STARTFILE_PREFIX): New.
768 2001-01-30 Bruce Korb <bkorb@gnu.org>
770 fixinc/fixincl.c(process): Emit error message only if appropriate :)
771 (load_file): do not rely on load_file_data() to close file pointer
772 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
773 fixinc/inclhack.def(irix_limits_const): add test_text
775 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
777 * cppexp.c (parse_defined): Improve diagnostics for invalid
780 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
782 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
784 2001-02-06 Mark Mitchell <mark@codesourcery.com>
786 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
787 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
788 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
789 (rs6000_output_symbol_ref): New function.
790 (output_toc): Use VTABLE_NAME_P.
792 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
794 * print-tree.c (print_node, case PARM_DECL):
795 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
797 * stor-layout.c (reference_types_internal): New variable.
798 (internal_reference_types): New function.
799 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
800 * tree.h (internal_reference_types): New declaration.
802 * cse.c (find_best_addr): Fix typo in computing cost.
804 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
806 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
807 and this is the sum of a pointer and a constant, we know the result
809 (num_sign_bit_copies, case PLUS): Likewise.
810 * explow.c (convert_memory_address): Remove opposite SUBREG.
811 * function.c (instantiate_new_reg): New function (from common code).
812 (instantiate_virtual_regs_1): Call it.
813 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
814 if pointers sign- or zero-extend.
815 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
816 If pointers extend unsigned, use inside of SUBREG.
817 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
819 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
821 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
822 subdir of gcc_gxx_include_dir.
823 (gcc_gxx_target_include_dir): Remove.
825 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
827 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
828 (dwarf2out_frame_debug_expr): Revise introductory comments to add
829 a high-level description.
831 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
833 * final.c: Move the declaration of profile_label_no to ...
834 * output.h: ... here.
835 * function.c (expand_function_start): Call PROFILE_HOOK.
836 * config/rs6000/aix.h: Define PROFILE_HOOK.
837 * config/rs6000/rs6000-protos.h: output_profile_hook new.
838 * config/rs6000/rs6000.c (output_profile_hook): Define.
839 (output_prolog): Do nothing for ABI_AIX as it is taken care by
841 tm.texi : Explain new macro PROFILE_HOOK.
843 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
845 * extend.texi (Extended Asm): Do not say that semicolon is always
846 a valid line-breaking character for GNU assemblers. Use
847 newline-tab as the most commonly supported syntax. Use
848 newline-tab rather than semicolon in multi-insn examples.
850 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
852 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
854 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
855 David Edelsohn <edelsohn@gnu.org>
857 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
858 code for AIX, even without flag_pic.
860 2001-02-05 Jakub Jelinek <jakub@redhat.com>
862 * c-typeck.c (common_type): push and pop binding level around
863 calling common_type on function parameters.
865 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
867 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
869 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
871 * config/mips/mips.c (override_options): Fix typo in last change.
872 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
873 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
875 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
877 * invoke.texi (-fdump-class-layout): Document.
878 (-fdump-translation-unit): Use `=' as filename separator.
880 2001-02-05 Mark Mitchell <mark@codesourcery.com>
882 * Makefile.in (s-mlib): Don't build multilibs if
884 (DRIVER_DEFINES): Adjust accordingly.
886 (protoize.o): Likewise.
887 (unprotoize.o): Likewise.
888 * configure.in: Recognize --enable-multilib.
890 2001-02-04 Mark Mitchell <mark@codesourcery.com>
892 * Makefile.in (DRIVER_DEFINES): Fix quoting.
894 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
895 * configure.in: Remove --enable-libstdcxx_v3 support.
896 * configure: Regenerated.
898 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
900 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
901 Call abort instead of fatal.
902 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
903 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
904 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
905 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
906 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
907 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
909 * diagnostic.h (set_internal_error_function): Renamed.
910 * toplev.h (internal_error): Renamed from fatal.
911 (pfatal_with_name): Deleted.
912 (fatal_io_error): Now has printf-style arguments.
913 * diagnostic.c (pfatal_with_name): Deleted.
914 (fatal_io_error): Rework to have args in printf-style.
915 (set_internal_error_function): Renamed from set_fatal_function.
916 (internal_error): Renamed from fatal.
917 (error_recursion, fancy_abort): Call internal_error instead of fatal.
918 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
919 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
920 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
921 * flow.c (verify_flow_info): Likewise.
922 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
923 * config/mips/mips.c (save_restore_insns): Likewise.
925 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
926 * flow.c (verify_flow_info): Likewise.
927 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
928 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
929 (avr_normalize_condition): Likewise.
930 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
931 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
932 (limit_reload_class, double_reg_to_memory): Likewise.
933 (print_operand_address, emit_1600_code_shift): Likewise.
934 (gen_tst_reg, gen_compare_reg): Likewise.
935 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
936 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
938 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
940 * c-parse.in (methoddef): Call fatal_error instead of fatal.
941 * objc/objc-act.c (build_ivar_chain): Likewise.
942 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
944 * graph.c (clean_graph_dump_file): Likewise.
945 * profile.c (init_branch_prob): Likewise.
946 * objc/objc-act.c (objc_init): Likewise.
948 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
949 * config/avr/avr.c (avr_override_options): Likewise.
950 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
951 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
952 * config/h8300/h8300.c (h8300_init_once): Likewise.
953 * config/mips/mips.c (override_options): Likewise.
954 * config/i386/i386.c (override_options): Likewise, rework.
955 * config/m68k/m68k.c (override_options): Likewise.
957 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
959 * config/mips/mips.c (print_operand): Likewise.
960 * hash.c (hash_allocate): Don't check for failure returns from
961 obstack functions that can't fail.
962 (hash_table_init_n, hash_table_init): Likewise; also now return void.
963 * hash.h (hash_table_init_n, hash_table_init): Now return void.
964 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
965 (get_object_reference): Likewise.
967 2001-02-04 Nick Clifton <nickc@redhat.com>
969 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
970 StrongARM1110, 10TDMI, and 1020T.
972 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
974 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
976 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
978 * config/sh/sh.md (movdf load split): Pass register number to
981 2001-02-04 Mark Mitchell <mark@codesourcery.com>
983 * cppinit.c (BC): New macro.
984 (builtin_array): Add __GXX_WEAK__.
985 * cpplib.h (builtin_type): Add BT_WEAK.
986 * cppmacro.c (builtin_macro): Handle BT_WEAK.
987 * defaults.h (SUPPORTS_ONE_ONLY): Define.
988 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
990 2001-02-03 Jakub Jelinek <jakub@redhat.com>
992 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
994 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
996 * cpphash.h: Rename _ALIGN POOL_ALIGN.
997 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
999 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
1001 * cpphash.h: Rename ALIGN _ALIGN.
1002 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
1004 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
1006 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
1007 compilation environment.
1008 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
1009 control over location of cygwin includes and libs.
1011 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
1013 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
1015 2001-02-02 lars brinkhoff <lars@nocrew.org>
1017 * md.texi (Standard Names): remove reference to spur.md.
1019 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
1021 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
1022 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
1023 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
1024 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
1025 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
1027 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1029 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
1030 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
1031 number before reload.
1032 (c4x_adjust_cost): Return zero before reload.
1033 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
1034 split before reload.
1036 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1038 * c4x.c (c4x_hard_regno_rename_ok): New.
1039 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
1040 * c4x.h (HARD_REGNO_RENAME_OK): Define.
1042 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1044 * diagnostic.h: Add missing "extern" in all declarations.
1046 2001-02-02 Alex Samuel <samuel@codesourcery.com>
1048 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
1049 as for gcc_gxx_include_dir.
1051 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
1053 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
1055 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
1057 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
1058 label before alignment to be used as the braf base address.
1059 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
1061 (casesi_jump_2): Require at least TARGET_SH2.
1063 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
1064 truncation to 32-bit doubles on -m3e and -m4-single-only.
1066 2001-02-02 Mark Mitchell <mark@codesourcery.com>
1068 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
1069 the default when building a shared object.
1070 (init_spec): Use it.
1071 * testsuite/lib/g++.exp: Include the directory where libgcc
1072 is located to the LD_LIBRARY_PATH list.
1073 * invoke.texi (-shared-libgcc): Document the cases in which
1074 GCC defaults to using the shared libgcc.
1076 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
1078 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
1079 unsigned is wide enough.
1081 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
1082 (si_to_float): Likewise.
1083 (float_to_si, float_to_usi): Use BITS_PER_SI.
1085 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
1087 * dwarf2out.c: Added explanation of abbreviations.
1088 (def_cfa_1): Added comments listing DWARF2 instructions.
1089 (cfa_temp_reg): Removed in favor of cfa_temp.
1090 (cfa_temp_value): Removed in favor of cfa_temp.
1091 (cfa_temp): New global variable.
1092 (dwarf2out_frame_debug_expr): Added extensive introductory
1093 comments explaining the function's transformations. Revised to
1094 use cfa_temp. Added some rtx checking. Generalize IOR case.
1095 (dwarf2out_frame_debug): Revised to use cfa_temp.
1096 (output_aranges): Cast as "unsigned" to avoid warning.
1097 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
1098 explain which instructions must be marked.
1100 2001-02-01 Richard Henderson <rth@redhat.com>
1102 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
1105 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
1107 * config/sh/crt1.asm (main_k): Modified so that start calls
1108 ___setup_argv_and_call_main.
1110 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
1112 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
1113 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
1114 and AVOID_LPASTE is cleared on meeting an unescaped newline.
1115 * cppmacro.c (builtin_macro): Set builtin flags here.
1116 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
1117 (replace_args): Clarify intent.
1118 (cpp_get_token): Macro expansion tokens get the saved flags.
1120 * cppmain.c (scan_buffer): Remove now-redundant print.printed
1123 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
1125 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
1128 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1130 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
1131 returns Pmode pseudo, but we need ptr_mode.
1132 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
1133 Remove bogus conversions; use HOST_WIDE_INT for size.
1134 Don't use TARGET if wrong mode.
1136 * config/i386/i386.c (ix86_compute_frame_size): Allow
1137 stack_alignment_needed to be non-default even if size is zero.
1139 2001-01-31 Alan Modra <alan@linuxcare.com.au>
1141 * (hppa_init_pic_save): Emit the pic offset table
1142 reg save after last_parm_insn.
1143 * pa.c (hppa_init_pic_save): New function.
1144 * pa.h (hppa_init_pic_save): Declare.
1145 * pa.md (call, call_value, sibcall, sibcall_value): Use
1146 the above instead of duplicated code.
1148 * pa.c (hppa_encode_label): Correct size of alloca buffer
1149 so we don't overrun it. Correct leading `*' case.
1150 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
1151 need to handle `*@'.
1152 (FUNCTION_NAME_P): Likewise.
1154 2001-01-31 Richard Henderson <rth@redhat.com>
1156 * config.gcc (alpha-osf5): Use float-i128.h.
1158 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
1159 * config/float-i32.h: Likewise.
1160 * config/float-i64.h: Likewise.
1161 * config/float-sh.h: Likewise.
1162 * config/float-sparc.h: Likewise.
1164 2001-01-31 DJ Delorie <dj@redhat.com>
1166 * expmed.c (extract_bit_field): allow non-integral modes if we
1167 want to extract a whole register from itself.
1169 2001-01-31 Jakub Jelinek <jakub@redhat.com>
1171 * c-typeck.c (set_init_index): If first is equal to last, assume as
1172 if it was not a range at all.
1174 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
1176 * config/fp-bit.c: Include tm.h.
1177 (float_to_si): Don't assume SImode is 32-bits wide.
1178 (float_to_usi): Likewise.
1180 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
1182 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
1184 (typename): Call pending_xref_error after parsing typed_typespecs.
1185 * c-decl.c (lookup_tag): Give error immediately rather than
1186 leaving it pending if the tag of the wrong type is in the same
1188 (xref_tag): Don't pedwarn for forward declarations of enum types
1190 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
1193 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
1195 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
1197 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
1199 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
1200 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
1202 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
1204 * cpphash.h (struct cpp_reader): New saved_flags.
1205 * cppmacro.c (cpp_get_token): Use saved_flags to remember
1206 to avoid a paste after a pasted token.
1208 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
1210 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
1211 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
1212 Wtype_MIN instead of LONG_MIN.
1214 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
1216 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
1218 * fixinc/fixincl.x: Regenerated.
1219 * fixinc/inclhack.def (irix_limits_const): New definition to
1220 convert "const" to "__const" in limits.h.
1222 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
1224 * fixinc/genfixes (AG): Fix "autogen4" thinko.
1226 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1228 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
1229 when register dies in the insn.
1231 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
1233 * diagnostic.c (fatal): Fix word wrap.
1235 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
1237 * combine.c (try_combine): Fix SUBREG setting for
1238 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
1240 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1242 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
1245 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
1247 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
1249 * toplev.c (decode_W_option): Update warn_larger_than
1250 unconditionally for each processed switch.
1252 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
1254 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
1256 (hppa_expand_prologue): Delete code to save pic offset table register
1257 in the function prologue.
1258 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
1259 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
1260 table register at the beginning of the function after the prologue.
1262 2001-01-29 lars brinkhoff <lars@nocrew.org>
1264 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
1266 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
1267 Jeff Law <law@redhat.com>
1269 * pa.md (return): Revise comment for trivial return.
1270 (return_internal): Non-trivial return pattern for non-PIC code.
1271 (return_internal_pic): Non-trivial return pattern for PIC code.
1272 It uses the PIC register to ensure it is restored after
1274 (epilogue): Generate appropriate return for PIC and non-PIC code.
1276 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
1278 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
1280 2001-01-29 DJ Delorie <dj@redhat.com>
1282 * combine.c (if_then_else_cond): Pass the correct mode to
1283 operand_subword() for constants.
1285 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
1287 * config/i386/cygwin.h: Add w32api to include search. Search different
1288 directories in a cross-build environment.
1290 2001-11-29 Tim Josling <tej@melbpc.org.au>
1292 * tree.h (TYPE_STUB_DECL): Add documentation.
1294 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
1296 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
1297 (sdbout_field_types): Likwise. Fix use of host_integerp.
1299 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
1301 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
1304 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
1306 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
1307 to use flag_gnu_linker.
1309 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
1311 * cpplib.c (T_BAD_DIRECTIVE): Remove.
1312 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
1314 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
1316 * tree.c, tree.h (build_parse_node): Remove; was identical to
1318 * c-lang.c (start_cdtor), objc/objc-act.c
1319 (build_module_descriptor): Use build_nt instead of
1322 2001-01-29 Jakub Jelinek <jakub@redhat.com>
1324 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
1325 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
1326 not have any upper bits set.
1328 2001-01-29 Phil Edwards <pme@sources.redhat.com>
1330 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
1332 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1334 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
1336 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
1338 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
1339 (integer_minus_one_node): Define.
1341 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
1343 * Makefile.in (bootstrap2-lean): Fix typo.
1345 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
1347 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
1348 : Don't set fe_value.
1349 * cpplib.h (AVOID_LPASTE): New flag.
1350 (struct cpp_hashnode): Remove fe_value.
1351 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
1352 * cppmacro.c (builtin_macro): Don't set flags here.
1353 (replace_args): Set AVOID_LPASTE flag on first token of an
1354 argument, and the token following it.
1355 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
1356 macro expansion, and on the token following it. Do it for
1358 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
1360 2001-01-27 Richard Henderson <rth@redhat.com>
1362 * config/alpha/t-ieee: Remove multilibbing.
1363 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
1365 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1367 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
1369 * Makefile.in: Remove all dependencies on defaults.h.
1370 * builtins.c: Don't include defaults.h.
1371 * c-common.c: Likewise.
1372 * c-decl.c: Likewise.
1373 * c-pragma.c: Likewise.
1374 * c-typeck.c: Likewise.
1375 * combine.c: Likewise.
1377 * frame-ia64.c: Likewise.
1378 * cppexp.c: Likewise.
1379 * crtstuff.c: Likewise.
1380 * dbxout.c: Likewise.
1381 * dwarf2out.c: Likewise.
1382 * dwarfout.c: Likewise.
1383 * emit-rtl.c: Likewise.
1384 * except.c: Likewise.
1386 * final.c: Likewise.
1387 * frame-dwarf2.c: Likewise.
1388 * libgcc2.c: Likewise.
1389 * optabs.c: Likewise.
1390 * profile.c: Likewise.
1391 * sdbout.c: Likewise.
1392 * toplev.c: Likewise.
1393 * tradcif.y: Likewise.
1395 * varasm.c: Likewise.
1397 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1399 * builtins.c (expand_builtin_fputs): Use size_one_node when
1400 transforming into fwrite.
1402 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
1404 * extend.texi (Attribute Syntax): New section.
1406 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
1408 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
1409 they didn't need fixing.
1411 2001-01-27 Janis Johnson <janis@us.ibm.com>
1413 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
1415 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
1416 to remove macro definitions that are duplicated from elfos.h.
1418 2001-01-27 Richard Henderson <rth@redhat.com>
1420 * config/i386/sco5gas.h: Move ...
1421 * config/usegas.h: ... here.
1422 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
1424 2001-01-27 Jakub Jelinek <jakub@redhat.com>
1426 * c-typeck.c (struct constructor_stack): Add range_stack member.
1427 (really_start_incremental_init): Clear it.
1428 (push_init_level): Save constructor_range_stack and clear it if
1429 pushing explicit braces.
1430 (pop_init_level): abort if constructor_range_stack is non-zero at
1431 explicit closing brace. Restore saved constructor_range_stack if
1434 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
1436 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
1437 into register was forced into memory.
1439 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
1441 * Makefile.in: Remove uses of + before $(MAKE).
1443 2001-01-26 Richard Henderson <rth@redhat.com>
1445 * stmt.c (cost_table): Remove.
1446 (COST_TABLE, cost_table_initialized): New.
1447 (estimate_case_costs): Use the later instead of the former.
1448 (balance_case_nodes): Likewise.
1450 2001-01-26 Richard Henderson <rth@redhat.com>
1452 * alias.c (objects_must_conflict_p): Read-only slots may not
1453 conflict despite having the same type.
1455 2001-01-27 Michael Hayes <mhayes@redhat.com>
1457 * loop.c (loop_giv_reduce_benefit): Copy mode size into
1459 (check_ext_dependant_givs): Initialise u_start_val and
1461 (load_mems): Make last_max_reg unsigned.
1462 (try_swap_copy_prop): Use INSN_P and initialise set.
1464 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
1466 * README.AVR : Removed.
1468 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
1470 * pa-64.h (text_section): Remove declaration.
1472 * pa.md (return_internal): Remove mode on PIC register use.
1474 2001-01-25 lars brinkhoff <lars@nocrew.org>
1476 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
1477 ASM_CLOSE_PAREN): fix typos.
1479 2001-01-25 Mark Mitchell <mark@codesourcery.com>
1481 * acconfig.h: Define `const' to the empty string if neither
1482 __STDC__ nor __cplusplus is defined.
1483 * config.in: Regenerated.
1485 2001-01-25 David Edelsohn <edelsohn@gnu.org>
1487 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
1488 * collect2.c (main): Delete importf. Add ".obj" file extension.
1489 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
1490 (aix_std_libs): Add additional AIX libraries to skip.
1491 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
1492 * config/rs6000/aix51.h: New file.
1494 2001-01-25 Michael Hayes <mhayes@redhat.com>
1496 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
1497 (loop_insn_emit_before): No longer static.
1498 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
1499 (loop_givs_rescan, load_mems): Likewise.
1500 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
1501 (maybe_eliminate_biv_1):
1502 (move_movables): Replace emit_call_insn_before with
1503 loop_call_insn_hoist.
1504 * loop.h (loop_insn_emit_before): Add.
1505 * unroll.c (copy_loop_body): Replace emit_insn_before with
1506 loop_insn_emit_before.
1508 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
1510 * diagnostic.c (fatal): Request preprocessed source.
1512 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
1514 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
1515 olddecl has argument types and newdecl has none, use the argument
1518 2001-01-24 Ulrich Drepper <drepper@redhat.com>
1520 * dwarf2out.c (prefix_of): New function. Determine longest common
1521 prefix of the two arguments. The units are whole path components.
1522 (output_file_names): When adding a new directory find the one entry
1523 with the longest common prefix already in the list. Artificially
1524 generate entry if there is none for this prefix.
1525 Fix test to check whether the zeroth directory entry is used.
1527 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
1529 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
1530 Changed all callers. Take it into account when deciding if a
1531 previously loaded value matches.
1533 2001-01-24 Richard Henderson <rth@redhat.com>
1535 * reload.c (find_reloads_subreg_address): Fail the substitution
1536 if the resulting address is insufficiently aligned.
1538 2001-01-24 DJ Delorie <dj@redhat.com>
1540 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
1541 check the original operand's mode also.
1542 * simplify-rtx.c (simplify_ternary_operation): Ditto.
1544 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
1546 * c-parse.in (cast_expr): Move compound literals from here ...
1547 (primary): ... to here. Use standard terminology "compound
1548 literal" instead of "constructor expression".
1550 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
1552 * gcc.1, cpp.1: Regenerate.
1554 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
1556 * calls.c (emit_library_call_value_1): Memory slot for
1557 pass-by-reference argument should have the mode of the argument,
1558 not of the pointer to it.
1560 2001-01-24 Tom Tromey <tromey@redhat.com>
1562 * gcc.texi (G++ and GCC): Mention gcj manual.
1563 (Standards): Link to section of manual mentioning gcj/Java
1566 2001-01-24 Jakub Jelinek <jakub@redhat.com>
1568 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
1569 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
1570 * tradcpp.c (main): Add -imacros or -include'd dependencies
1572 * cpp.texi (-M, -MM): Document -M -include behaviour.
1574 2001-01-24 Roger Collins <roger@ProProject.com>
1576 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
1578 2001-01-24 Will Cohen <wcohen@redhat.com>
1580 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
1581 whether registers are 32 bits or 64 bits in size.
1583 2001-01-24 Ben Elliston <bje@redhat.com>
1585 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
1587 2001-01-24 Richard Henderson <rth@redhat.com>
1589 * config/alpha/alpha.md (builtin_longjmp_internal): New.
1590 (builtin_longjmp): Use it instead of emit_indirect_jump.
1592 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
1594 * bb-reorder.c (make_reorder_chain_1): Handle case where
1595 jump edge goes to the same block as the fallthru edge.
1597 2001-01-23 Jim Wilson <wilson@redhat.com>
1599 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
1600 * frame.h (__ia64_personality_v1): Add prototype.
1601 * libgcc2.c (ia64_throw_helper): Change personality declaration to
1602 prototype form. Add void * cast to first argument to personality
1604 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
1605 (asctoe113): Likewise.
1606 * config/ia64/frame-ia64.c: Include eh-common.h.
1607 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
1609 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
1611 (itanium_split_issue): Add prototype.
1612 (gen_nop_type): Ifdef out.
1613 (find_best_packet): Initialize best_packet.
1614 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
1616 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
1617 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
1618 (flushrs): Add explicit stop bit at end.
1619 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
1622 2001-01-23 Chris Demetriou <cgd@broadcom.com>
1624 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
1626 * libgcc2.c (__terminate_func): Make variable static.
1627 (__terminate_set_func): New function to set __terminate_func.
1628 * libgcc2.h (__terminate_func_ptr): New typedef.
1629 (__terminate_set_func): New function.
1631 2001-01-23 Richard Henderson <rth@redhat.com>
1633 * flow.c (init_propagate_block_info): Don't consider unchanging
1634 memories for dead frame store elimination.
1636 2001-01-23 Richard Henderson <rth@redhat.com>
1638 * varasm.c (UNIQUE_SECTION): Move default implementation ...
1639 * defaults.h: ... here.
1641 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1643 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
1645 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
1647 * c-lex.c (lex_charconst): Fix typo: s/p/str.
1649 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1651 * rs6000.h (rs6000_return_addr): Move prototype from here...
1652 * rs6000-protos.h (rs6000_return_addr): ...to here.
1653 (rs6000_init_expanders): Delete prototype.
1655 2001-01-23 Nick Clifton <nickc@redhat.com>
1657 * invoke.texi: Replace , with \, inside @gccoptlist macros.
1658 (Spec Files): Document %B and %j and %. and %v3 and %M and
1659 %{S*&T} spec switches.
1661 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1663 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
1665 2001-01-23 Chris Demetriou <cgd@sibyte.com>
1666 Neil Booth <neil@daikokuya.demon.co.uk>
1668 * cpperror.c: Merge handlers of PEDWARN and WARNING.
1669 Have -Werror make pedantic warnings errors, like the
1672 2001-01-23 Phil Edwards <pme@sources.redhat.com>
1674 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
1676 2001-01-23 Jakub Jelinek <jakub@redhat.com>
1678 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
1679 * integrate.c (expand_inline_function): Initialize them.
1680 (subst_constants): If changing COMPARE so that both its arguments
1681 will be VOIDmode and the comparison mode will be lost, note
1682 compare_mode. Use the recorded compare_mode to optimize
1685 2001-01-23 Jason Merrill <jason@redhat.com>
1687 * dwarf2out.c (new_die): Use xcalloc.
1688 (output_die): Abort rather than emit a local reference to offset 0.
1690 2001-01-17 Andrew Haley <aph@redhat.com>
1692 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
1693 of a saved register; return NULL instead.
1694 (copy_reg): Take a pointer to a source register rather than a
1696 (next_stack_level): Remember the address in the stack frame of all
1698 Use the saved register pointer array as the source of the CFA.
1699 (throw_helper): Rewrite. Unwind once rather than twice and keep
1700 track of saved registers as we go.
1702 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1704 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
1705 * c4x.c (c4x_legitimize_reload_address): Remove.
1706 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
1707 reload address for ldp(k) insn.
1709 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
1711 * pa.md (return_internal): Add a USE of the PIC register to ensure
1712 it is restored after each call.
1713 (return expander): Corresponding changes.
1715 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1717 * rs6000.h (INIT_EXPANDERS): Delete.
1718 (RETURN_ADDR_RTX): Call rs6000_return_addr().
1719 * rs6000.c (rs6000_override_options): Call *_machine_status from
1721 (rs6000_init_expanders): ...instead of here. Delete.
1722 (rs6000_mark_machine_status): New function.
1723 (rs6000_init_machine_status): Use xcalloc.
1724 (rs6000_return_addr): Generate RTX for the return address.
1725 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
1726 (rs6000_stack_info): Use it.
1728 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
1730 * gthr-win32.h: Include errno.h to get a declaration for
1731 EINVAL and _mingw.h if the target is mingw32.
1733 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
1735 * cpp.texi: Correct typos.
1737 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1739 * explow.c (probe_stack_range): Ensure value passed to
1740 stack_check_libfunc is ptr_mode, not Pmode.
1742 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
1744 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
1745 case, don't use operand_subword to calculate a SUBREG that is
1748 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
1750 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1752 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
1753 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
1754 valid. If not replace it by equivalent insns.
1756 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1758 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
1759 contains SYMBOL_REF, LABEL_REF and CONST_INT.
1760 (c4x_U_constraint, symbolic_address_operand): Likewise.
1761 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
1763 (c4x_r11_set_p, c4x_check_laj_p): New functions.
1764 * c4x-protos.h (c4x_check_laj_p): Add prototype.
1765 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
1766 anulling slot because of silicon bug.
1767 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
1769 2001-01-22 Alan Modra <alan@linuxcare.com.au>
1771 * cppexp.c (parse_charconst): Change `mask' type to agree
1774 2001-01-21 Richard Henderson <rth@redhat.com>
1776 * config/i386/i386.c (ix86_asm_file_end): Disable putting
1777 pic_label_name in a linkonce section.
1779 2001-01-17 Philipp Thomas <pthomas@suse.de>
1781 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
1783 * configure: Regenerate.
1785 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
1787 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
1788 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
1790 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
1792 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
1793 If REVERSE nonzero then condition code in X must be reversed.
1794 (encode_section_info): Optimise if/else.
1795 (avr_function_value): Fix formatting.
1797 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
1798 (difficult_branch): Likewise.
1799 (rvbranch): Likewise.
1800 (difficult_rvbranch): Likewise.
1802 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
1804 * config/avr/libgcc.S: Fix comment.
1806 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
1808 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
1810 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
1812 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
1814 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
1816 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
1817 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
1818 * configure, config.in: Regenerate.
1819 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
1820 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
1821 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
1822 (doprint.o): New rule.
1824 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
1826 * c-typeck.c (digest_init): Handle boolean types as scalars.
1828 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1830 * stmt.c (expand_return): Don't return anything if size is zero.
1831 Delete redundant assignment to BYTES.
1832 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
1834 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
1836 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
1837 the same as the default library function names.
1838 * config/avr/avr.md: Document special characters after '%'.
1839 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
1840 knowing which of the call-used registers are really clobbered.
1841 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
1842 New. Both quotient and remainder from one libgcc.S call.
1843 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
1844 clobber as few registers as possible.
1845 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
1847 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
1849 * cppmacro.c (funlike_invocation_p): Don't move back up to the
1850 context of the top of the stack.
1852 2001-01-20 Jakub Jelinek <jakub@redhat.com>
1854 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
1855 (fixup_var_refs_insns): ...here.
1857 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
1859 * function.c (fixup_var_refs_insns): Break up into
1860 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
1861 [loop over entire insn list], and fixup_var_refs_insns_with_hash
1862 [loop over hash table entries].
1863 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
1864 fixup_var_refs_insns_with_hash, to match above changes.
1866 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
1868 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
1869 (libgcc.a): Likewise.
1870 (stmp-multilib): Likewise.
1871 (STAGE2_FLAGS_TO_PASS): Likewise.
1873 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
1875 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
1876 temporary if no_new_pseudos.
1878 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
1880 * cppinternals.texi: Update.
1882 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
1884 * arm.c (arm_init_builtins): Re-enable builtins.
1886 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1888 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
1889 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
1890 element to be null, and always expect an EXPR_LIST.
1891 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
1892 * sched-deps.c (sched_analyze_1): Likewise.
1893 * sched-rgn.c (check_live_1, update_live_1): Likewise.
1895 * regclass.c (max_set_parallel): New variable.
1896 (reg_scan): Take it into account in computation of max_parallel.
1897 (reg_scan_mark_refs, case SET): Compute it.
1899 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
1901 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
1902 * function.c (assign_parms): Use INTVAL for a CONST_INT.
1904 2001-01-19 Jason Merrill <jason@redhat.com>
1906 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
1907 for the abstract instance of an inline function.
1909 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
1910 J"orn Rennecke <amylaar@redhat.com>
1912 * reload1.c (move2add_note_store): Treat all registers directly or
1913 indirectly derived from a base register as members of the same set
1915 (reload_cse_move2add): Adjust accordingly. Take mode and offset
1916 of base register into account.
1918 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
1920 * alias.c (find_base_value): Recognize TRUNCATE.
1921 (record_set): In PLUS case, invalidate if other summand is also a
1924 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1926 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
1927 entry to be EXPR_LIST.
1928 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
1929 be an EXPR_LIST (but not null, which other code doesn't allow).
1930 (note_stores): Properly handle PARALLEL in SET.
1931 Recursively call for top-level PARALLEL.
1932 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
1933 * sched-rgn.c (check_live_1, update_live_1): Likewise.
1935 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
1937 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
1939 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
1940 not pfile->skipping (== 0).
1942 2001-01-17 Nick Clifton <nickc@redhat.com>
1944 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
1947 2001-01-17 Jim Wilson <wilson@redhat.com>
1949 * invoke.texi (IA-64 options): Improve.
1951 2001-01-17 Tom Tromey <tromey@redhat.com>
1953 * invoke.texi (Optimize Options): Use `{}' to around @samp
1956 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
1958 * invoke.texi (-fno-guess-branch-probability): New option.
1960 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1962 * combine.c (try_combine): Don't set i3_subst_into_i2 for
1963 case of making new double-word constant.
1964 Revert last change: instead just test i3_subst_into_i2.
1966 2001-01-17 Jakub Jelinek <jakub@redhat.com>
1968 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
1969 Use q constraints instead of r.
1971 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
1973 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
1974 (machine_function): Define.
1975 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
1976 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
1977 pa_free_machine_status): New functions.
1978 (override_options): Set {init,mark,free}_machine_status to above.
1979 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
1980 PIC_OFFSET_TABLE_REGNUM_SAVED.
1981 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
1982 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
1983 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
1984 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
1985 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
1987 2001-01-15 DJ Delorie <dj@redhat.com>
1989 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
1993 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1995 * flow.c (propagate_on_insn): Make trying to delete a prologue
1996 or epilogue insn an ICE, not a warning. Allow doing this if
1997 the current function returns with stack pointer depressed.
1999 * combine.c (try_combine): If i3_subst_into_i2, properly check for
2000 I3 having more than one SET.
2002 2001-01-16 Jim Wilson <wilson@redhat.com>
2004 * invoke.texi: Document IA-64 options.
2006 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
2007 (fixup_errata): Delete TARGET_A_STEP use.
2008 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
2009 (TARGET_SWITCHES): Delete -ma-step option.
2010 * config/ia64/ia64.md (all FP patterns): Delete %B0.
2011 (movqicc_astep, movqi_internal_astep, movhicc_astep,
2012 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
2013 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
2014 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
2015 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
2017 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
2018 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
2019 cmovsi_internal): Delete ! TARGET_A_STEP check.
2021 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2023 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
2024 possibility to report bugs via postal mail. Change a URL and
2025 merge in a nearly duplicate statement...
2026 (Bug Reporting): ...from here.
2027 (Service): Refer to the Bug Reporting section instead of
2029 (Contributing): Remove trivial explanations concerning snapshots.
2031 2001-01-16 Alan Modra <alan@linuxcare.com.au>
2033 * cppmain.c (general_init): Don't use ANSI prototype.
2035 2001-01-16 Tom Tromey <tromey@redhat.com>
2037 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
2039 2001-01-16 Richard Henderson <rth@redhat.com>
2041 * config/i386/i386.h: Fix comment typo.
2042 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
2043 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
2045 2001-01-16 Phil Edwards <pme@sources.redhat.com>
2047 * gcc.c: Revert previous -fsyntax-only-related change; move
2050 2001-01-16 Jakub Jelinek <jakub@redhat.com>
2052 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
2053 inmode after checking GET_CODE (op).
2055 2001-01-16 Richard Henderson <rth@redhat.com>
2057 * flow.c (struct propagate_block_info): Add mem_set_list_len.
2058 (MAX_MEM_SET_LIST_LEN): New.
2059 (propagate_one_insn): Update mem_set_list_len.
2060 (invalidate_mems_from_autoinc): Likewise.
2061 (invalidate_mems_from_set): Likewise.
2062 (mark_used_regs): Likewise.
2063 (init_propagate_block_info): Likewise. Stop collecting memories
2064 when we reach MAX_MEM_SET_LIST_LEN.
2065 (mark_set_1): Likewise.
2067 2001-01-16 Richard Henderson <rth@redhat.com>
2069 * unroll.c (precondition_loop_p): Fail if no iteration
2072 2001-01-16 Phil Edwards <pme@sources.redhat.com>
2074 * gcc.c: When -fsyntax-only is given, do not complain about
2077 2001-01-15 Richard Henderson <rth@redhat.com>
2079 * config/i386/i386.c (asm_output_function_prefix): Remove.
2080 (ix86_asm_file_end): New.
2081 (load_pic_register): Generate pic_label_name into a
2082 staticly allocated buffer.
2083 * config/i386/i386-protos.h: Update.
2084 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
2085 (ASM_FILE_END): New.
2086 * config/i386/i386afe.h: New file.
2087 * config.gcc (i?86-*-elf) [tm_file]: Use it.
2088 (i?86-*-{freebsd,linux*,moss*}): Likewise.
2089 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
2090 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
2091 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
2092 * config/i386/sco5.h (ASM_FILE_END): Likewise.
2093 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
2095 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
2097 * Makefile.in (install-man): Remove explicit dependency on
2100 * configure.in, configure: Revert previous patch requiring perl
2103 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
2105 * toplev.c (flag_guess_branch_prob): New.
2106 (f_options): Add guess-branch-probability option.
2107 (rest_of_decl_compilation): Only estimate branch probability if
2109 (main): set flag_guess_branch_prob.
2111 * flags.h (flag_guess_branch_prob): New.
2113 2001-01-15 DJ Delorie <dj@redhat.com>
2115 * gcc.texi (Makefile): Add documentation for Makefile targets.
2117 2001-01-15 Philip Blundell <philb@gnu.org>
2119 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
2121 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
2122 (is_pic): Delete declaration.
2123 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
2124 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
2125 * config/arm/arm.md (builtin_setjmp_receiver): New.
2127 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
2129 * arm.c (use_return_insn): Don't try to determine the function type
2130 until after reload has completed.
2131 (arm_output_epilogue): Don't adjust the sp value recovered from the
2133 (emit_multi_reg_push): Don't record dwarf information for the pc.
2134 * arm.md (eh_epilogue): The function type may have changed, so it
2135 needs to be recalculated.
2136 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
2137 unwind tables on arm/netbsd.
2139 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
2141 * arm.md (cbranchsi4): Correct calculation of branch ranges.
2142 (negated_cbranchsi4): Likewise.
2144 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
2146 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
2147 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
2148 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
2149 pass -mapcs-* options to assembler.
2150 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
2151 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
2152 (ASM_SPEC): Call subtarget_extra_asm_spec.
2154 2001-01-15 Andreas Jaeger <aj@suse.de>
2156 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
2158 (ix86_expand_builtin): Likewise.
2160 * gencodes.c (output_predicate_decls): Make i size_t to avoid
2161 warning about comparison between signed and unsigned.
2163 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
2165 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
2167 2001-01-14 Ralf Baechle <ralf@gnu.org>
2169 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
2170 SUBTARGET_CPP_SPEC apropriatly.
2172 2001-01-12 Mark Mitchell <mark@codesourcery.com>
2174 * varasm.c (make_decl_rtl): Fix typo in last change.
2176 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
2178 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
2179 linker supports the init_priority C++ attribute.
2180 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
2181 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
2182 linker does not support init_priority C++ attribute.
2184 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
2186 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
2188 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
2190 * c-parse.in (finish_parse): Add comment about cpp_destroy.
2191 * cp/lex.c (finish_parse): Similarly.
2192 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
2193 Return the number of errors encountered.
2194 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
2195 * cppmain.c (main): Don't call cpp_destroy.
2197 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
2199 * configure.in: Require at least perl 5.6.0 to regenerate
2201 * configure: Regenerate.
2203 2001-01-14 Richard Henderson <rth@redhat.com>
2205 * genrecog.c (DT_veclen_ge): New.
2206 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
2207 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
2208 (nodes_identical_1): Handle DT_veclen_ge.
2209 (write_cond, debug_decision_2): Likewise.
2211 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
2213 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
2215 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
2217 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
2219 * cppmain.c (do_preprocessing): New function; most of the old
2221 (main): Call it to do most of the work.
2222 (cb): Move from global scope to set_callbacks ().
2223 (setup_callbacks): Get the callback pointer.
2224 (general_init, printer_init): Clean up code and comments.
2226 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
2228 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
2231 2001-01-14 Kazu Hirata <kazu@hxi.com>
2233 * config/h8300/h8300.c (get_shift_alg): Update comments.
2235 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2237 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
2238 (alloc_page, ggc_alloc): Add casts to remove warnings.
2240 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
2242 * combine.c (simplify_comparison): Don't change `code' when
2243 can't reverse comparison.
2245 2001-01-14 Richard Henderson <rth@redhat.com>
2247 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
2248 update all call sites. Return true for all non-label constants.
2250 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
2252 * i386.c (ix86_expand_compare): Add bypass_test and second_test
2254 (ix86_expand_branch): Update.
2255 (ix86_expand_setcc): Update to handle multiple test conditions.
2256 (expand_int_movcc): Likewise.
2257 (expand_fp_movcc): Likewise.
2258 * i386-protos.h (ix86_expand_compare): New.
2259 * i386.md (andqi_?_slp, orqi_?_slp): New.
2260 (conditional trap expander): Update call to ix86_expand_compare.
2262 2001-01-14 Richard Henderson <rth@redhat.com>
2264 * config/vax/vax.md: Use nonimmediate_operand instead of
2265 general_operand in destinations.
2267 * config/vax/vax.md (indirect_jump): Use register_operand.
2269 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
2270 * config/vax/vax.md (call_pop): Turn into an expander.
2271 (call_value_pop): Likewise.
2272 (call, call_value): New.
2274 2001-01-14 Andreas Jaeger <aj@suse.de>
2276 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
2278 (ix86_fp_compare_mode): Add unused attribute.
2279 (ix86_expand_fp_movcc): Remove unused variable.
2280 (ix86_expand_builtin): Make fcode unsigned.
2282 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
2283 (expand_expr): Add cast to avoid signed warning.
2284 (store_field): Likewise.
2285 (store_constructor_field): Likewise.
2286 (store_constructor): Likewise.
2287 (store_expr): Likewise.
2288 (clear_storage): Likewise.
2289 (emit_group_store): Likewise.
2290 (emit_group_load): Likewise.
2292 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
2294 * c-common.c: Move format checking code to ...
2295 * c-format.c: ... here. New file. Reorder some functions and
2297 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
2299 * c-common.h (decl_handle_format_attribute,
2300 decl_handle_format_arg_attribute): Declare.
2301 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
2302 (c-common.o): Adjust dependencies.
2303 (c-format.o): New list of dependencies.
2305 2001-01-13 Jakub Jelinek <jakub@redhat.com>
2307 * unroll.c (loop_iterations): If we cannot prove iteration variable
2308 is set once in each iteration, punt.
2310 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
2312 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
2313 (*strlenhi): Remove clobber (which was buggy) of output address.
2315 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
2317 * Makefile.in (generated-manpages): Add gcc.1
2318 ($(srcdir)/gcc.1): New target.
2319 (maintainer-clean): Delete $(srcdir)/gcc.1.
2320 * gcc.texi: Add macros @gccoptlist and @gol.
2321 * invoke.texi: Include option summary in manpage. Mark up option
2322 summary with @gccoptlist and @gol. Use @r in one place where
2324 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
2325 * gcc.1: Generate from invoke.texi.
2327 2001-01-13 Richard Henderson <rth@redhat.com>
2329 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
2330 (struct page_entry): Add group member.
2331 (struct page_group): New.
2332 (struct globals): Add page_groups member.
2333 (alloc_anon): Only define for using mmap; remove valloc call.
2334 (page_group_index): New.
2335 (set_page_group_in_use): New.
2336 (clear_page_group_in_use): New.
2337 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
2338 (free_page, release_pages): Likewise.
2339 * configure.in (with-gc): Default to ggc-page always.
2341 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
2343 * reload1.c (replace_pseudos_in_call_usage): Use
2344 reg_equiv_constant and reg_equiv_address, and don't try
2345 regno_reg_rtx first.
2347 2001-01-13 Richard Henderson <rth@redhat.com>
2349 * ggc-page.c (alloc_page): Round up allocation size to one page.
2350 Set e->order on extra pages.
2352 2001-01-13 Richard Henderson <rth@redhat.com>
2354 * genrecog.c (nodes_identical): Expand commentary.
2355 (write_switch): Watch out for identical nodes.
2357 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2359 * cppfiles.c (_cpp_fake_include): New function.
2360 * cpphash.h (_cpp_fake_include): New.
2361 * cpplib.c (do_line): Call _cpp_fake_include when entering
2362 header files in preprocessed input.
2363 * cppmain.c (cb_pragma_implementation): Remove handling.
2364 (setup_callbacks): Don't register pragmas.
2366 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2368 * extend.texi: Udate for CPP.
2370 2001-01-13 Andreas Jaeger <aj@suse.de>
2372 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
2374 * regmove.c: Add prototype for replace_in_call_usage.
2376 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2378 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
2379 struct cpp_chunk, struct htab, struct toklist,
2380 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
2381 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
2382 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
2383 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
2384 (struct macro_args): Delete.
2385 * cpphash.h: See above.
2387 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2389 * cppmain.c (struct printer): Remove no_line_dirs.
2391 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
2392 : Use options rather than CPP_OPTION.
2393 (setup_callbacks): Use cb rather than pfile->cb.
2394 (main): No need to check for a buffer. Use cpp_errors.
2395 (printer_init): Don't set no_line_dirs.
2396 (maybe_print_line): Use options not no_line_dirs.
2397 (cb_file_change): Don't call print_line if -P.
2399 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2401 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
2403 * c-parse.in (finish_parse): Use cpp_errors.
2404 (__yylex): Use return value of cpp_pop_buffer.
2405 * cp/lex.c (finish_parse): Use cpp_errors.
2406 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
2408 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
2410 * README.AVR: URLs corrected.
2412 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2414 * c-decl.c (start_function): Don't warn if old prototype is builtin
2415 that's not in C's namespace.
2416 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
2417 (_bb): Add prototype for ctime.
2418 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
2420 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
2422 * i386.c (ix86_fp_comparison_arithmetics_cost,
2423 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
2424 ix86_fp_comparison_cost): New functions.
2425 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
2426 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
2427 two-branch sequences; make static.
2428 (ix86_use_fcomi_compare): Do decision according to the costs.
2429 (split_fp_branch): New.
2430 * i386.md (compare-and-branch patterns): Use split_fp_branch.
2431 * i386-protos.h (ix86_expand_fp_compare): Remove
2432 (ix86_split_fp_branch): Declare.
2434 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
2435 and ix86_comparison_operator.
2437 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
2440 * i386.c (put_condition_code): Output properly the unordered/ordered
2441 compares in fp case.
2442 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
2444 * tm.texi (REVERSE_CONDITION): Document.
2445 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
2446 in -ffast-math mode.
2447 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
2449 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
2451 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
2453 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
2456 * config/sh/sh.c (mova_p): Fix test for mova_const.
2458 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2460 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
2461 cpp_get_options rather than dereferencing pfile and using
2463 * scan-decls.c (scan_decls): Use return value of
2464 cpp_pop_buffer rather than CPP_BUFFER.
2466 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2468 * cppinit.c (cpp_handle_option): help_only is now part of the
2469 cpp_options structure.
2470 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
2471 cpp_set_callbacks): New functions.
2472 * cpplib.h (cpp_callbacks): Break out as a named structure.
2473 (cpp_options): Move help_only here from cpp_reader.
2474 (CPP_FATAL_ERRORS): Update to use cpp_errors.
2475 (cpp_errors, cpp_get_options, cpp_get_callbacks,
2476 cpp_set_callbacks): New prototypes.
2477 * cppmain.c (main): Update for help_only.
2479 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
2481 * Makefile.in (info, maintainer-clean, install-info, uninstall):
2482 Also build and remove and install and uninstall c-tree.info and
2484 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
2485 ($(srcdir)/cppinternals.info): New target.
2486 * c-tree.texi: Change file name used when makeinfo used without -o
2487 from ir.info to c-tree.info. Add info directory entry.
2488 * cppinternals.texi: Add info directory entry.
2489 * .cvsignore: Update.
2491 2001-01-12 Jakub Jelinek <jakub@redhat.com>
2493 * c-typeck.c (store_init_value): Don't require constant initializer
2494 elements with -pedantic -std=c99.
2495 (digest_init): Change error about non-constant initializer elements
2497 (constructor_range_end): Remove.
2498 (constructor_incremental, designator_depth,
2499 designator_errorneous): New variables.
2500 (struct constructor_stack): Remove range_end, add incremental.
2501 (struct constructor_range_stack, constructor_range_stack): New.
2502 (struct initializer_stack): Add constructor_range_stack.
2503 (finish_init): Set it.
2504 (start_init): Likewise. require_constant_elements for non-static
2505 trees only if not flag_isoc99.
2506 (really_start_incremental_init): Remove constructor_range_end, add
2507 constructor_incremental.
2508 (pop_init_level): Likewise.
2509 (push_init_level): Likewise. If implicit and the subobject had some
2510 value set already, preinitialize the level with it.
2511 Warn about missing braces only if not pushing due to designators.
2512 (set_designator, push_range_stack): New functions.
2513 (set_init_label): Use them.
2514 (set_init_index): Likewise. Remove constructor_range_end.
2515 Error if designator index is outside of array bounds.
2516 (add_pending_init): Compare values of purpose index trees, not the
2517 trees themselves. Allow overwriting of already initialized element.
2518 Issue a warning if it had side-effects.
2519 (set_nonincremental_init, set_nonincremental_init_from_string): New
2521 (pending_init_member): Rename to...
2522 (find_init_member): ...this function. Call set_nonincremental_init
2523 if necessary. Compare values of purpose index trees, not the trees
2524 themselves. Return the actual value, not just non-zero if something
2526 (output_init_element): Remove checks for duplicates.
2527 If field has zero size, only check the initializer for correctness.
2528 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
2529 if constructor_incremental is zero. Change error about initializers
2530 not computable at load time into pedwarn.
2531 (output_pending_init_elements): Compare bit positions, not
2532 FIELD_DECLs to take into account zero-sized fields.
2533 (process_init_element): Use constructor_range_stack to fill all
2534 ranges in the designator lists from current level up.
2535 * extend.texi: Update documentation for labeled elements.
2537 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
2539 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
2540 to function usage for arguments passed by reference. Optimize
2541 callee-copied arguments.
2542 * regmove.c (replace_in_call_usage): New function.
2543 (fixup_match_1): Call it.
2544 * cse.c (cse_insn): Canonicalize registers in function usage.
2545 * reload1.c (replace_pseudos_in_call_usage): New function.
2548 * Makefile.in: Reverted yesterday's wrong patch. Installed the
2551 2001-01-12 Jakub Jelinek <jakub@redhat.com>
2553 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
2556 2001-01-12 DJ Delorie <dj@redhat.com>
2558 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
2559 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
2562 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
2564 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
2565 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
2566 -std options alongside references to -ansi. Update some
2567 documentation for C99.
2568 * cpp.1: Regenerate.
2570 2001-01-12 Andreas Jaeger <aj@suse.de>
2572 * haifa-sched.c (restore_line_notes): Remove argument block B
2574 * sched-ebb.c (schedule_ebb): Change caller.
2575 * sched-rgn.c (schedule_region): Likewise.
2576 * sched-int.h (restore_line_notes): Adjust prototype.
2578 * loop.h: Remove wrong declaration of doloop_condition_get.
2580 2001-01-12 Phil Edwards <pme@sources.redhat.com>
2582 * extend.texi: Move C++-extension-related node from the C section
2583 into the C++ section.
2585 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
2587 * extend.texi: Refer to an array of pointers to functions instead
2588 of one of functions.
2590 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
2591 Jan Hubicka <jh@suse.cz>
2593 * combine.c (reversed_comparison): Fix typo in last patch.
2595 (combine_reversed_comparison_code): Make static to follow
2596 prototype declaration.
2598 2001-01-12 Phil Edwards <pme@sources.redhat.com>
2600 * install.texi: Remove misplaced duplicate entry.
2602 2001-01-11 Ulrich Drepper <drepper@redhat.com>
2604 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
2606 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
2608 * final.c: (leaf_function_p): Fix typo.
2610 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
2612 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
2613 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
2615 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
2616 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
2617 mmap_anon, and valloc is available.
2618 * ggc-page.c: Restructure ifdef logic to match new autoconf
2619 spec. Don't throw away the test page in init_ggc.
2621 * configure, config.in: Regenerate.
2623 2001-01-12 Michael Hayes <mhayes@redhat.com>
2625 * loop.h (total_biv_increment): Constify iv_class pointer.
2626 (struct induction): Replace `mem_mode' with `mem' rtx.
2627 * unroll.c (total_biv_increment): Constify iv_class pointer.
2628 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
2629 (find_mem_givs, combine_givs_p): Likewise.
2630 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
2632 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
2634 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
2636 (__gthread_getspecific): Ditto.
2638 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
2640 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
2641 put_condition_code): Convert fp comparison codes to integer
2643 (ix86_expand_fp_compare): Postnote the fp comparison code converison
2646 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
2647 * i386-protos.h (no_comparison_operator): Kill.
2649 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
2651 * combine.c (REVERSIBLE_CC_MODE): Remove.
2652 (reversible_comparison_p): Remove.
2653 (combine_reversed_comparison_code): New.
2654 (reversed_comparison): New.
2655 (combine_simplify_rtx): Use
2656 combine_reversed_comparison_code/reversed_comparison instead
2657 of reversible_comparison_p.
2658 (simplify_if_then_else): Likewise.
2659 (simplify_set): Likewise.
2660 (simplify_logical): Likewise.
2661 (if_then_else_cond): Likewise.
2662 (known_cond): Likewise.
2663 (simplify_comparison): Likewise.
2665 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
2667 * builtins.c (std_expand_builtin_va_start): Handle varargs when
2668 sizeof (int) is larger than sizeof(__word__).
2670 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
2672 * cppinit.c (do_includes): Fix typo.
2674 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2676 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
2677 in S_REGS does not occur because not all sources are possible
2678 when a S_REGS is a destination (sometimes needs a clobber).
2679 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
2680 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
2681 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
2682 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
2683 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
2684 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
2685 (lshrdi_const1, lshrsi3_const16): Likewise.
2686 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
2687 (*movhi_68hc12, *movqi_68hc12): Likewise.
2688 (movstrictqi): Make sure reloading in D_REGS as a destination
2691 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
2693 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
2695 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
2697 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
2698 -D, -U and -A, and don't initialize the builtins.
2699 (do_includes): Error if -include or -imacros with -fpreprocessed.
2700 * cppmain.c (cb_define, cb_undef): Unconditionally process
2702 * tradcpp.c (main): Fix typo.
2704 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
2706 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
2707 (read_name_map): Use IS_ABSOLUTE_PATH.
2708 * tradcpp.c (get_filename): Likewise.
2710 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2712 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
2713 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
2714 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
2715 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
2716 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
2717 (cmphi_z_used): Don't use '@' for the output.
2718 (tstqi_z_used): Likewise.
2719 (cmpqi_z_used): Likewise.
2720 (one_cmplsi2): Likewise.
2722 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
2724 * config/sh/sh.c (barrier_align): Recognize branch around far
2725 branch and redundant insn.
2727 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
2729 * invoke.texi: Restore documentation of the drivers' switches -MD
2732 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
2734 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
2736 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
2737 check-objc//%): Support parallel testing of multilibs.
2738 (TESTSUITEDIR): Set to testsuite by default, but override for
2740 (check-gcc, check-g++, check-g77, check-objc): Enter
2743 2001-01-11 Bernd Schmidt <bernds@redhat.com>
2745 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
2746 * sched-deps.c (deps_may_trap_p): Likewise.
2747 * basic-block.h: Remove a comment.
2748 * flow.c (PROP_POSTRELOAD): Remove.
2749 (update_life_info): Don't add it to prop_flags.
2750 (mark_set_1): Lose the code that was enabled by it.
2752 2001-01-11 Michael Hayes <mhayes@redhat.com>
2754 * flow.c (flow_call_edges_add): New.
2755 * basic_block.h (flow_call_edges_add): New.
2757 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
2759 * reload1.c (move2add_note_store): Update reg_set_luid even if
2760 base reg remains the same.
2762 2001-01-10 Nick Clifton <nickc@redhat.com>
2764 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
2765 machine_function structure to zero.
2766 Add prototypes for machine_status functions.
2768 2001-01-10 Mark Mitchell <mark@codesourcery.com>
2770 * c-common.h (CTI_VOID_LIST): Remove.
2771 (void_list_node): Likewise.
2772 * tree.h (TI_VOID_LIST_NODE): New enumeral.
2773 (void_list_node): New macro.
2774 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
2775 * config/i386/i386.c (ix86_init_builtins): Likewise.
2776 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
2778 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
2780 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
2781 * cppinit.c (cpp_start_read): Update comment, remove unneeded
2783 * tradcpp.c: Include mkdeps.h.
2784 (deps, print_deps_phony_targets, deps_append, output_deps,
2785 init_dependency_output, output_deps): New.
2786 (deps_buffer, deps_allocated_size, deps_size, deps_column,
2787 deps_output): Delete.
2788 (print_deps_missing_files): Rename deps_missing_files.
2789 (inhibit_output): Make global.
2790 (main): Delete inhibit_output, deps_stream, deps_target.
2791 Use mkdeps functionality in the same way as cpplib. Remove
2792 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
2793 -M and -MM. Remove old handling of deps via deps_out, and
2794 old reading of environment variables.
2795 (get_filename): Update to use deps_add_dep.
2797 2001-01-10 Mark Mitchell <mark@codesourcery.com>
2799 * output.h (make_function_rtl): Remove prototype.
2800 (make_decl_rtl): Likewise.
2801 * varasm.c (make_function_rtl): Remove.
2802 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
2803 than from a third parameter.
2804 * tree.h (make_decl_rtl): Remove last parameter.
2805 * c-decl.c (builtin_function): Remove last argument in call to
2806 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
2807 (start_function): Likewise.
2808 * except.c (call_get_eh_context): Likewise.
2809 * expr.c (emit_block_move): Likewise.
2810 (clear_storage): Likewise.
2811 * profile.c (output_func_start_profiler): Likewise.
2812 * toplev.c (rest_of_decl_compilation): Likewise.
2813 * objc/objc-act.c (create_builtin_decl): Likewise.
2814 (synth_module_prologue): Likewise.
2815 (generate_static_reference): Likewise.
2816 (build_selector_reference_decl): Likewise.
2817 (build_class_reference_decl): Likewise.
2818 (build_objc_string_decl): Likewise.
2819 (build_protocol_reference): Likewise.
2821 2001-01-10 Richard Henderson <rth@redhat.com>
2823 * hwint.h: Revert yesterday's change.
2825 2001-01-10 Nick Clifton <nickc@redhat.com>
2827 * function.h (save_machine_status): Delete.
2828 (restore_machine_status): Delete.
2829 Amend comment describing {init|mark|free}_machine_status.
2831 * function.c (save_machine_status): Delete.
2832 (restore_machine_status): Delete.
2833 Amend comment describing {init|mark|free}_machine_status.
2834 (push_function_context_to): Remove invocation of
2835 save_machine_status.
2836 (pop_function_context_from): Remove invocation of
2837 restore_machine_status.
2839 * emit-rtl.c (init_emit_once): Amend comment describing
2840 {init|mark|free}_machine_status.
2842 * tm.texi (Per-Function Data): New node. Describe the
2843 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
2846 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
2848 * cppinit.c (OPT_g): Remove.
2849 (cpp_handle_option): Update for removed -g3.
2850 (print_help): Update.
2851 * cpplib.h (struct cpp_options): Remove debug_output.
2852 * cppmain.c (setup_callbacks, cb_define): Update.
2853 * gcc.c (cpp_options): Translate -g3 to -dD.
2855 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
2857 * config/i960/i960.md: Change modifier to + on the zero_extract
2858 pattern after the (rotate -2 reg) canonicalization pattern.
2860 2001-01-10 Richard Henderson <rth@redhat.com>
2862 * config/alpha/alpha.c (alpha_free_machine_status): New.
2863 (override_options): Install it.
2864 (alpha_mark_machine_status): Verify machine non-null.
2865 * config/i386/i386.c (ix86_free_machine_status): New.
2866 (override_options): Install it.
2867 (ix86_init_machine_status): Use xcalloc.
2868 (ix86_mark_machine_status): Verify machine non-null.
2869 * config/ia64/ia64.c (ia64_free_machine_status): New.
2870 (ia64_override_options): Install it.
2871 (ia64_mark_machine_status): Verify machine non-null.
2873 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
2875 * function.c (instantiate_virtual_regs): Instantiate virtual
2876 registers found in CALL_INSN_FUNCTION_USAGE.
2878 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
2880 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
2881 equivalent to -ansi in disabling -Di386.
2883 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
2885 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
2887 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
2889 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
2891 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
2893 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
2895 * invoke.texi: Document that -fcond-mismatch isn't supported for
2898 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
2900 * gcc.texi: Define macro gcctabopt.
2901 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
2902 @command, @env and @option in some places where appropriate. Use
2903 @gcctabopt where appropriate. Put URLs and email addresses inside
2906 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
2908 * gcc.c (cpp_options): Set MD file name from output
2909 filename, if specified.
2910 (suffix_subst): New static variable.
2911 (do_spec): Clear it.
2912 (do_spec_1, case '.'): Handle new `%.suffix' spec.
2914 (give_switch): Handle suffix_subst.
2916 2001-01-10 Phil Edwards <pme@sources.redhat.com>
2918 * invoke.texi: Fix another typo.
2920 2001-01-10 Phil Edwards <pme@sources.redhat.com>
2922 * invoke.texi: Fix typo.
2924 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
2926 * c-lang.c (lang_hooks): Update.
2927 (lang_decode_option): Remove.
2928 (lang_init_options): Rename c_init_options.
2929 * toplev.c (main): Use lang_hooks for lang_init_options
2930 and lang_decode_option.
2931 * toplev.h (lang_hooks): Add 2 new hooks.
2932 * tree.h: Remove lang_init_options and lang_decode_option.
2933 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
2934 * cp/decl2.c: Similarly.
2935 * cp/lex.c (lang_init_options): Rename cxx_init_options.
2936 (lang_hooks): Update.
2937 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
2939 (lang_init_options): Rename ffe_init_options.
2940 (lang_hooks): Update.
2941 (lang_decode_option): Remove.
2942 * java/lang.c (lang_init_options): Rename java_init_options.
2943 (lang_decode_option): Rename java_decode_option.
2944 (lang_hooks): Update.
2945 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
2946 (lang_decode_option): Rename objc_decode_option.
2947 (lang_hooks): Update.
2949 2001-01-09 Nick Clifton <nickc@redhat.com>
2951 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
2952 (d30v_return_addr_rtx): Delete.
2953 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
2954 cfun->machine structure.
2955 (struct machine_function): Move to d30v.h
2956 (d30v_save_machine_status): Delete.
2957 (d30v_restore_machine_status): Delete.
2958 (d30v_init_machine_status): New Function.
2959 (d30v_mark_machine_status): New Function.
2960 (d30v_free_machine_status): New Function.
2961 (d30v_init_expanders): Use new functions.
2962 (d30v_return_addr): Use ra_rtx field in cfun->machine.
2963 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
2964 d30v_return_addr_rtx.
2966 * config/d30v/d30v.h (struct_machine): Move here.
2967 Add eh_epilogue_sp_ofs field.
2969 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
2970 field in cfun->machine structure.
2972 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
2974 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
2975 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
2976 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
2978 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
2980 * objc/lang-options.h: Remove bogus reference to
2983 2001-01-09 Kazu Hirata <kazu@hxi.com>
2985 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
2988 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
2990 * reload.c (find_reloads_address): Check for eliminable registers
2991 when substituting a constant expression for a pseudo.
2993 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
2995 * c-common.c (enum format_type): Add format_type_error.
2996 (decode_format_type): New function.
2997 (decl_attributes): Use it.
2998 (format_kind_info): Adjust comment.
3000 2001-01-09 David O'Brien <obrien@BSDi.com>
3002 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
3003 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
3005 * config/i386/gnu.h: Don't include required platform specific .h files,
3006 tm.h will do it instead.
3007 * config/i386/i386elf.h: Likewise.
3008 * config/i386/linux.h: Likewise.
3009 * config/i386/moss.h: Likewise.
3010 * config/mips/gnu.h: Likewise.
3012 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3014 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
3015 (rs6000-ibm-aix3.[01]*): Likewise.
3016 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
3017 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
3018 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
3019 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
3020 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
3021 (powerpc-*-eabiaix*): Likewise.
3022 (powerpc-*-eabisim*): Likewise.
3023 (powerpc-*-elf*): Likewise.
3024 (powerpc-*-eabi*): Likewise.
3025 (powerpc-*-rtems*): Likewise.
3026 (powerpc-*-linux*libc1): Likewise.
3027 (powerpc-*-linux*): Likewise.
3028 (powerpc-wrs-vxworks*): Likewise.
3029 (powerpcle-wrs-vxworks*): Likewise.
3030 (powerpcle-*-sysv*): Likewise.
3031 (powerpcle-*-elf*): Likewise.
3032 (powerpcle-*-eabisim*): Likewise.
3033 (powerpcle-*-eabi*): Likewise.
3034 (powerpcle-*-solaris2*): Likewise.
3035 * config/rs6000/aix31.h: Delete includes.
3036 * config/rs6000/aix3newas.h: Likewise.
3037 * config/rs6000/aix41.h: Likewise.
3038 * config/rs6000/aix43.h: Likewise.
3039 * config/rs6000/beos.h: Likewise.
3040 * config/rs6000/rtems.h: Likewise.
3041 * config/rs6000/sysv4.h: Likewise.
3043 2001-01-09 Kazu Hirata <kazu@hxi.com>
3045 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
3046 Change an argument mode of machine_mode to shift_mode of
3047 shift_mode. Remove an extra error check.
3048 (emit_a_shift): Adopt to the new calling prototype of
3050 (function_prologue): Fix code for a monitor
3051 function. Support H8/S.
3052 (function_epilogue): Do not output pop for a monitor function.
3054 2001-01-09 Nick Clifton <nickc@redhat.com>
3056 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
3057 (setup_incoming_varargs): Use sysv_varargs_p field of the
3058 cfun->machine structure.
3059 (struct machine_function): Move to rs6000.h
3060 (rs6000_save_machine_status): Delete.
3061 (rs6000_restore_machine_status): Delete.
3062 (rs6000_init_machine_status): New Function.
3063 (rs6000_free_machine_status): New Function.
3064 (rs6000_init_expanders): Use new functions.
3066 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
3068 (struct machine_function): Move here.
3070 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
3071 sysv_varargs_p field of the cfun->machine structure.
3073 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
3075 (rs6000_restore_machine_status): Remove prototype.
3077 2001-01-09 Richard Henderson <rth@redhat.com>
3079 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
3080 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
3081 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
3082 (sched_analyze_2, sched_analyze_insn): Likewise.
3083 (sched_analyze, init_deps): Likewise.
3084 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
3085 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
3086 (compute_block_backward_dependences): Update propagate_deps call.
3088 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
3090 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
3092 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
3094 * cppinit.c (OPT_MD, OPT_MMD): Restore.
3095 (cpp_handle_option): Handle them.
3096 (cpp_post_options): Ensure one of -M or -MM is specified with
3097 any other -M? option.
3098 (init_dependency_output): Suppress output with -MG.
3100 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
3103 * invoke.texi: Update.
3105 2001-01-09 Bernd Schmidt <bernds@redhat.com>
3107 * sh.md (reload_outsf): Generate recognizable patterns for
3110 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
3112 * c-lang.c (lang_hooks): Update.
3113 (lang_init): Rename c_init.
3114 (lang_finish): Remove.
3115 * toplev.c (compile_file): Use lang_hooks for lang_init ()
3117 * toplev.h (lang_hooks): Add init () and finish ().
3118 * tree.h (lang_init, lang_finish): Remove.
3119 * cp/tree.h (lang_init, lang_finish): Remove.
3120 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
3121 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
3123 (lang_init, lang_finish): Remove.
3124 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
3125 (lang_hooks): Update.
3126 * java/lang.c (lang_init): Rename java_init.
3127 (lang_finish): Remove.
3128 (lang_hooks): Update.
3129 * objc/objc-act.c (lang_init): Rename objc_init.
3130 (lang_finish): Remove.
3131 (lang_hoooks): Update.
3133 20001-01-09 Graham Stott <grahams@redhat.com>
3135 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
3136 after `ptr` is initialised.
3138 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
3140 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
3141 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
3142 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
3143 stack adjusts, instead of r3.
3145 2001-01-09 Michael Hayes <mhayes@redhat.com>
3147 * flow.c (flow_loop_scan): Break out of ...
3148 (flow_loops_find) ... here.
3149 * basic-block.h (flow_loop_scan): New.
3150 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
3151 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
3153 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
3155 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
3157 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
3158 realloc()ing macro_buffer.
3160 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
3161 if it's wider than long and the target's long is wider than the
3164 2001-01-09 Mark Mitchell <mark@codesourcery.com>
3166 Remove support for using UWIN as a host machine.
3167 * configure.in: Issue an error message.
3168 * configure: Regenerated.
3169 * config.gcc: Remove xm_* UWIN configury.
3170 * config/i386/xm-uwin.h: Remove.
3172 2001-01-08 Nick Clifton <nickc@redhat.com>
3174 * config/v850/v850.c (ra_rtx): Delete.
3175 (v850_save_machine_status): Delete.
3176 (v850_restore_machine_status): Delete.
3177 (v850_init_machine_status): New function.
3178 (v850_mark_machine_status): New function.
3179 (v850_free_machine_status): New function.
3180 (v850_return_addr): Use ra_rtx field in machine structure.
3181 (v850_init_expanders): Use new functions.
3183 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
3184 * config/v850/v850.c: Change arguments to v850_output+* functions
3185 to take a const char *, to avoid compile time warning.
3186 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
3187 (USER_LABEL_PREFIX): Redefine.
3189 2000-01-08 Jim Wilson <wilson@redhat.com>
3191 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
3192 1 to unsigned HOST_WIDE_INT before left shift.
3194 2001-01-08 Nick Clifton <nickc@redhat.com>
3196 * config/arm/arm.c (arm_mark_machine_status): Check to see if
3197 the machine structure has been allocated.
3198 (arm_free_machine_status): New function: Free the machine
3199 specific function structure.
3201 2001-01-08 Richard Henderson <rth@redhat.com>
3203 * jump.c (simplejump_p): Revert last change.
3205 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
3207 * cppinit.c (init): Rename init_library.
3208 (cpp_create_reader): Update.
3209 * gcc.c (cpp_options): If -o given, use it as the target of
3212 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
3214 * arm.c (arm_arch5e): New variable.
3215 (all_cores): XScale is a 5TE device.
3216 (arm_override_options): Set arm_arch5e.
3217 (arm_init_builtins): __builtin_prefetch is in arch5e.
3218 * arm.h (arm_arch5e): Declare it.
3220 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
3222 * arm.md (define_constants): Add defines for UNSPEC and
3223 UNSPEC_VOLATILE insns. Update all users.
3224 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
3225 * arm.c (multi_register_push, note_invalid_constants)
3226 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
3227 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
3228 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
3230 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
3232 * jump.c (jump_optimize_1): Use reversed_comparison_code
3233 instead of can_reverse_comparison_p.
3234 (jump_back_p): Likewise.
3235 (invert_exp_1): Likewise.
3236 (thread_jumps): Likewise.
3237 * simplify-rtx.c (simplify_unary_operation): Likewise.
3238 (simplify_ternary_operation): Likewise.
3239 * cse.c (find_comparison_args): Convert to use
3240 can_reverse_comparison_p.
3241 (record_jump_equiv): Likewise.
3243 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
3245 * arm.h (HARD_REGNO_RENAME_OK): Delete.
3246 (EPILOGUE_USES): Define.
3247 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
3248 automatically stack the LR if it isn't live.
3250 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
3252 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
3255 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
3257 * ggc-page.c (max_alignment): New structure.
3258 (MAX_ALIGNMENT): New macro.
3259 (init_ggc): Use it to round up the sizes in the
3260 extra_order_size_table.
3262 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3264 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
3267 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3269 * builtins.def (BUILT_IN_FPRINTF): New entry.
3271 * c-common.c (c_expand_builtin_fprintf): New function.
3272 (init_function_format_info): Handle __builtin_fprintf.
3273 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
3274 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
3276 * c-decl.c (duplicate_decls): Adjust comment.
3278 * extend.texi (fprintf): Document new builtin.
3280 2001-01-07 Richard Henderson <rth@redhat.com>
3282 * jump.c (simplejump_p): Recognize any single_set jump
3285 2001-01-07 Richard Henderson <rth@redhat.com>
3287 * configure.in (slibdir): Accept an --with-slibdir option.
3288 Use "test" not "[" in configure. Default to $(libdir).
3290 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
3292 * config/t-aix43 (SHLIB_INSTALL): Likewise.
3293 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
3294 (SHLIB_LINK): Create links for the soname.
3295 * config/mips/t-iris6: Likewise.
3296 * config/sparc/t-slibgcc: Likewise.
3297 * config/sparc/t-slibgcc-sld: Likewise.
3299 2001-01-07 Jakub Jelinek <jakub@redhat.com>
3301 * config/i386/i386.c (constant_call_address_operand): Accept
3302 (const (plus (symbol_ref) (const_int))).
3303 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
3304 constant_call_address_operand.
3306 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3308 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
3309 and LONG_LONG_TYPE_SIZE > 32.
3311 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3313 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
3314 the previous change.
3316 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
3318 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
3320 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
3321 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
3322 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
3325 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
3327 * fix-header.c (read_scan_file): s/pfile/scan_in/.
3329 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
3331 * c-lang.c (c_post_options): Call cpp_post_options.
3332 * objc/objc-act.c (objc_post_options): Similarly.
3333 * cppmain.c (main): Similarly.
3334 * fix-header.c (read_scan_file): Similarly.
3335 * cppinit.c (cpp_start_read): Move option consistency checks
3336 to cpp_post_options. Don't call init_dependency_output.
3337 If needed, add default target and main file dependency.
3338 (OPT_MD, OPT_MMD): Remove.
3340 (cpp_handle_option): Update for OPT_* changes.
3341 (cpp_post_options): New.
3342 (init_dependency_output): Command line -MF overrides environment
3343 variables. Don't set default target etc. Suppress output
3344 if dependencies are going to stdout.
3345 (print_help): Update.
3346 * cpplib.h (cpp_post_options): New.
3347 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
3349 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
3351 * jump.c (comparison_dominates_p): Support unordered compares.
3353 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
3355 * simplify-rtx.c (simplify_relational_operation): Always simplify
3356 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
3359 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
3361 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
3362 (nonzero_bits): Likewise.
3363 (simplify_comparison): Likewise.
3364 (num_sign_bit_copies): Likewise; return more sane value depending
3365 on STORE_FLAG_VALUE.
3366 (known_cond): Do not assume EQ to be always true for equivalent
3369 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
3371 * cse.c (fold_rtx): Handle unordered comparisons.
3373 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
3375 * rtlanal.c (set_of_1): New static function.
3376 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
3377 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
3378 reg_set_last_last_regno): Remove.
3379 (set_of): New global function.
3380 (set_of_data): New structure.
3381 (reg_set_p, reg_set_last): Revamp for set_of.
3382 * rtl.h (set_of): New.
3384 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
3386 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
3387 * extend.texi: Document _Exit builtin.
3389 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
3391 * (initialize, initialize_builtins,
3392 initialize_dependency_output, initialize_standard_includes):
3393 Rename s/initialize/init. Update.
3394 (init_dependency_output): Move to after
3395 cpp_handle_options, the correct location temporally at least.
3396 (opt_comp): Move next to init (), its caller. Fix prototype.
3397 (init): Make "initialized" local scope.
3398 (cpp_create_reader): Always call init ().
3399 (cpp_start_read): Update.
3400 (output_deps): New function, broken out of cpp_finish.
3401 (cpp_finish): Break out output_deps.
3403 2001-01-07 Richard Henderson <rth@redhat.com>
3405 * collect2.c (COFF specific stuff): Revert 12-06 patch
3406 to prototype system functions.
3408 2001-01-07 Michael Hayes <mhayes@redhat.com>
3410 * hard-reg-set.h: Add multiple include guard.
3411 * basic-block.h (struct loop): Add `sink' field.
3412 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
3413 (emit_iv_add_mult): Delete.
3414 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
3415 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
3416 (unroll_loop): Remove end_insert_before argument.
3417 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
3418 (maybe_eliminate_biv_1): Likewise.
3419 (emit_iv_add_mult): Delete.
3420 (gen_add_mult, loop_regs_update): New.
3421 (loop_insn_emit_after, loop_insn_emit_before): New.
3422 (loop_insn_sink, loop_insn_sink_or_swim): New.
3423 (emit_iv_add_mult): Delete.
3424 (scan_loop): Set loop->sink.
3425 (loop_givs_reduce): Use loop_insn_sink and its ilk.
3426 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
3427 (maybe_eliminate_biv_1): Likewise.
3428 (maybe_eliminate_biv_1): Add basic block argument.
3429 * unroll.c (unroll_loop): Remove end_insert_before argument.
3430 (find_splittable_regs): Likewise.
3431 (find_splittable_regs): Use loop_insn_sink and its ilk.
3432 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
3434 2001-01-07 Michael Hayes <mhayes@redhat.com>
3436 * loop.h (loop_insn_hoist): New prototype.
3437 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
3438 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
3439 (check_dbra_loop, load_mems): Likewise.
3440 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
3441 (find_splittable_givs): Likewise.
3443 2001-01-07 Michael Hayes <mhayes@redhat.com>
3445 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
3447 2001-01-07 Richard Henderson <rth@redhat.com>
3449 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
3451 2001-01-07 Richard Henderson <rth@redhat.com>
3453 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
3454 NO_SHARED_LIBGCC_MULTILIB as required for the target.
3455 * gcc.c (init_spec): Massage the existing libgcc_spec into a
3456 variant that handles a shared libgcc.
3457 (process_command): Always validate -{static,shared}-libgcc.
3458 (do_spec_1): New 'M' case.
3459 * invoke.text (Link Options): Document -{static,shared}-libgcc.
3461 2001-01-07 Richard Henderson <rth@redhat.com>
3463 * Makefile.in (slibdir): New variable.
3464 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
3465 (installdirs): Create slibdir.
3466 (install-libgcc, install-multilib): Defer to libgcc.mk.
3467 * configure.in (slibdir): Substitute.
3468 * mklibgcc.in (install): New target.
3470 * config/t-linux (SHLIB_LINK): Create links for the soname.
3471 (SHLIB_INSTALL): New.
3472 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
3473 * config/mips/t-iris6 (SHLIB_INSTALL): New.
3474 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
3475 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
3476 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
3478 2001-01-07 Richard Henderson <rth@redhat.com>
3480 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
3481 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
3482 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
3484 2001-01-07 Michael Hayes <mhayes@redhat.com>
3486 * loop.c (count_loop_regs_set): Delete.
3487 (load_mems_and_recount_loop_regs_set): Delete.
3488 (loop_regs_scan): Merge common code from count_loop_regs_set,
3489 scan_loop, and load_mems_and_recount_loop_regs_set.
3490 (scan_loop): Call load_mems directly and loop_regs_scan
3491 again if new registers created.
3493 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
3495 * toplev.c (main): Call the front-end specific post_options
3496 hook if one is given.
3497 * toplev.h (struct_lang_hooks, lang_hooks): New.
3498 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
3499 for the C front end.
3500 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
3501 lang_hooks for the C++ front end.
3502 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
3503 lang_hooks for the ObjC front end.
3504 * f/com.c (lang_hooks): Hooks for the Fortran front end.
3505 * java/lang.c (lang_hooks): Hooks for the Java front end.
3507 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
3509 * c-lex.c (init_c_lex): Request #define / #undef callbacks
3510 for verbose DWARF[2] debugging.
3511 (cb_define, cb_undef): The new callbacks.
3512 * toplev.h (debug_define, debug_undef): Make const correct.
3513 * toplev.c (debug_define, debug_undef): Similarly. Do not
3514 perform the verbosity tests here anymore.
3516 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
3518 * reload.c (subst_reloads): Take INSN argument. When
3519 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
3520 * reload.h (subst_reloads): Adjust prototype.
3521 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
3522 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
3523 present in JUMP_INSNs and copy them to JUMP_LABEL.
3524 * flow.c (find_label_refs, find_basic_blocks_1): Skip
3525 JUMP_INSNs and insns with REG_LABELs that are followed by
3526 JUMP_INSNs with the same REG_LABEL.
3527 * sched-rgn.c (is_cfg_nonregular): Likewise.
3528 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
3530 * unroll.c (unroll_loop): Look for REG_LABEL notes in
3532 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
3534 2001-01-06 Richard Henderson <rth@redhat.com>
3536 * loop.c (scan_loop): Use xcalloc for the regs array.
3537 (load_mems_and_recount_loop_regs_set): Zero the new memory
3538 received from xrealloc.
3540 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
3542 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
3544 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
3546 * integrate.c (copy_rtx_and_substitute): When copying
3547 an ignored return value, strip REG_FUNCTION_VALUE_P.
3549 2001-01-06 Michael Hayes <mhayes@redhat.com>
3551 * loop.c (debug_biv, debug_giv): New.
3552 (loop_biv_dump): Break out from ...
3553 (record_biv): ... here.
3554 (loop_giv_dump): Break out from ...
3555 (record_giv): ... here.
3556 (loop_bivs_check): Use print_simple_rtl.
3557 * unroll.c (loop_iterations): Use print_simple_rtl.
3559 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
3561 * pa.md (return, return_internal): Modify patterns to prevent regrename
3562 mucking with the return pointer.
3564 2001-01-05 Richard Henderson <rth@redhat.com>
3566 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
3568 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
3570 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
3571 version supplied by Matteo Frigo.
3573 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
3575 * cpp.texi: Update for -MQ.
3576 * cppinit.c (cpp_create_reader): Always create pfile->deps.
3577 (cpp_cleanup): Always free pfile->deps.
3578 (initialize_dependency_output): Don't create pfile->deps.
3579 (cpp_handle_option): Similarly.
3581 * gcc.c (cpp_options): Handle -MQ.
3582 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
3583 * mkdeps.c (base_name): Remove.
3584 (deps_init): Don't allocate vector space until it's needed.
3585 (deps_free): Only free vectors if allocated.
3586 (deps_add_target, deps_add_dep): Update for initial allocation.
3587 (deps_add_default_target): Don't strip to the base_name.
3589 2001-01-05 DJ Delorie <dj@redhat.com>
3591 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
3592 (INIT_EXPANDERS): Define.
3594 * config/v850/v850.c (struct machine_function): Define.
3595 (v850_save_machine_status): New function.
3596 (v850_restore_machine_status): New function.
3597 (v850_return_addr): New function.
3598 (v850_init_expanders): New function.
3600 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
3601 and v850_init_expanders.
3603 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
3605 * cpplib.h (struct cpp_reader): Add help_only field.
3606 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
3607 (cpp_handle_option): Set pfile->help_only if we see -h,
3608 --help, -target-help, or --version. Print version string but
3609 do not set help_only if we see -v or -version. Make text
3610 printed by -v match that printed by (-)-version.
3612 * cppmain.c (main): Exit after option parsing if
3613 pfile->help_only is true.
3615 * toplev.c (independent_decode_option): Call print_version,
3616 then exit, if we see --version (but not -version).
3617 (print_version): Split lengthy message into two lines.
3619 2001-01-05 Nick Clifton <nickc@redhat.com>
3621 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
3622 temporary string for initialisation before calling ggc_alloc_string.
3624 2001-01-06 Michael Hayes <mhayes@redhat.com>
3626 * rtl.h (print_simple_rtl): New.
3627 * print-rtl.c (print_simple_rtl): New.
3629 (print_rtx): Disable printing of flags and modes, etc.,
3630 if `flag_simple` nonzero.
3632 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
3634 * function.c (fixup_var_refs): Use push_to_full_sequence where
3637 2001-01-05 Michael Meissner <meissner@redhat.com>
3639 * flags.h (flag_reorder_blocks): Add declaration.
3640 (flag_rename_block): Ditto.
3642 2001-01-05 DJ Delorie <dj@redhat.com>
3644 * function.c (reorder_blocks): Make sure the flags are all reset
3645 before using them to mark blocks, else a second invocation will
3646 corrupt the block chain.
3647 (reorder_blocks_0): New, resets the flags.
3649 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
3651 * cse.c (find_comparison_args): Stop if the argument is known to
3654 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
3656 * config/sh/sh.md (movdf): When splitting load into pair of
3657 registers, don't clobber the register used in the address too
3660 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
3662 * varasm.c (mark_constant_pool): Improve initial comments.
3663 (mark_constants): Move marking of constants to mark_constant.
3664 (mark_constant): New function to recursively mark all constants
3665 referred to by a constant.
3667 2001-01-05 Catherine Moore <clm@redhat.com>
3669 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
3671 2001-01-05 Phil Edwards <pme@sources.redhat.com>
3673 * cp/lang-options.h: Bring comment in line with reality.
3674 * f/lang-options.h: Likewise.
3675 * java/lang-options.h: Likewise.
3676 * objc/lang-options.h: Likewise.
3677 * ch/lang-options.h: Likewise.
3678 * f/g77.texi: And update the manual.
3680 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
3681 Denis Chertykov <denisc@overta.ru>
3683 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
3684 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
3685 * config/avr/avr.md (all peepholes that request a scratch register):
3686 Call it, FAIL the peephole if not safe (in interrupt functions).
3688 2001-01-05 Mark Mitchell <mark@codesourcery.com>
3690 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
3692 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
3694 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
3696 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
3697 BUILT_IN_CREAL and BUILT_IN_CIMAG.
3698 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
3699 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
3700 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
3702 * extend.texi: Document these builtins.
3704 2001-01-05 Daniel Berlin <dberlin@redhat.com>
3706 * c-common.c (lang_get_alias_set): Say we know nothing of
3707 VECTOR_TYPE aliasing.
3709 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
3711 2001-01-05 Bruce Korb <bkorb@gnu.org>
3713 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
3714 their x* equivalent versions for atexit-less systems
3715 * fixinc/fixincl.c(main): do not return from main() on atexit-less
3716 systems (or any other system any more).
3718 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
3720 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
3721 output operands. Use arm_hard_register_operand for operand 4.
3722 (stmsi_postinc): Similarly.
3723 (ldmsi): Use arm_hard_register_operand for opernand 2.
3725 * arm.c (arm_hard_register_operand): New function.
3726 * arm-protos.h (arm_hard_register_operand): Prototype it.
3728 * arm.h (HARD_REGNO_RENAME_OK): Define.
3730 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
3732 * simplify-rtx.c (cfc_args): add "unordered" field.
3733 (check_fold_consts): Set unordered field.
3734 (simplify_relational_operation): Simplify the unordered
3737 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
3740 * emit-rtl.c (try_split): Fix code to mark labels.
3741 * jump.c (mark_jump_label): Make global.
3742 * rtl.h (mark_jump_label): Declare.
3744 * predict.c (estimate_probability): Handle unordred comparisons.
3746 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
3748 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
3749 * cppinit.c (initialize_dependency_output): Update.
3750 (cpp_finish): Output dummy targets for -MP.
3752 (cpp_handle_option): Handle -MP. Don't quote -MT options.
3753 * cpplib.h (struct cpp_options): Add deps_phony_targets.
3754 * gcc.c (cpp_options): Update to handle -MP.
3755 * mkdeps.c (deps_add_target, deps_add_default_target): Update
3756 to quote only the default target.
3757 (deps_phony_targets): Insert a preceding newline. Rename from
3758 deps_dummy_targets for consistency.
3761 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
3763 * calls.c (emit_library_call_value_1): Support
3764 INIT_CUMULATIVE_LIBCALL_ARGS.
3765 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
3767 2001-01-04 Richard Henderson <rth@redhat.com>
3769 * c-decl.c (finish_struct): Detect flexible array members
3770 used in an inappropriate context.
3771 * c-typeck.c (really_start_incremental_init): Special case
3772 constructor_max_index for zero length arrays.
3773 (pop_init_level): Allow initialization of flexible array
3774 members. Deprecate initialization of zero length arrays.
3775 Don't issue missing initializer warning for flexible array
3776 members or zero length arrays.
3777 (process_init_element): Don't dereference null DECL_SIZE.
3778 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
3779 Don't abort for empty constructors. Use size_binop
3780 (output_constructor): Add commentary regarding zero length
3781 array futures. Abort if we try to initialize an array of
3782 unspecified length with a non-empty constructor in the middle
3785 * extend.texi (Zero Length): Update and clarify documentation
3786 on static initialization.
3788 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3790 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
3791 with more than 32767 words of local storage.
3793 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3795 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
3796 for 'abs', 'labs', and 'fabs'.
3797 (c4x_expand_builtin): Likewise.
3798 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
3800 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
3802 * config/sh/sh.md (prget, prset): New insn types.
3803 (return delay slot): Dont' allow prset.
3804 (call, sfunc delay slot): Don't allow prget.
3805 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
3806 for prset and prget.
3808 2001-01-05 Michael Hayes <mhayes@redhat.com>
3810 * loop.h (struct loop_reg): New.
3811 (struct loop_regs): Change to use array of `struct loop_reg'.
3812 * loop.c: Replace assortment of varrays with single regs array.
3813 (count_one_set): Delete may_not_move array argument
3814 and use regs array instead. All caller's changed.
3815 (count_loop_regs_set): Delete may_not_move and single_usage
3816 arguments and use regs array instead. All caller's changed.
3817 (find_single_use_in_loop): Replace usage array argument with pointer
3818 to regs structure. All caller's changed.
3819 (loop_optimize): Delete `moved_once' array.
3821 2001-01-05 Michael Hayes <mhayes@redhat.com>
3823 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
3824 Use it instead of loop_info->has_call for scanning loop mems.
3825 (check_dbra_loop): Replace loop_info->has_call test with
3826 loop_info->has_nonconst_call.
3828 2000-01-04 Matthew Hiller <hiller@redhat.com>
3830 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
3833 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
3835 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
3836 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
3838 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
3840 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
3841 (flag_short_double, flag_short_wchar): Define.
3842 (c_common_nodes_and_builtins): Create many tree nodes shared
3843 between C and C++ here instead of in cp/decl.c and ...
3844 * c-decl.c (init_decl_processing): ... here.
3845 (SIZE_TYPE, WCHAR_TYPE): Don't define.
3846 (flag_short_double, flag_short_wchar): Don't define.
3847 (record_builtin_type): New function.
3848 (build_void_list_node): New function.
3849 * c-common.h (flag_short_double, flag_short_wchar,
3850 record_builtin_type, build_void_list_node): Declare.
3852 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
3854 * integrate.c (expand_inline_function): Don't put a virtual
3855 register into the reg map.
3857 * function.c (fixup_var_refs_1): If force_operand didn't put
3858 the address into the target, move it there.
3860 2001-01-04 Mark Mitchell <mark@codesourcery.com>
3862 Special-case tree_decl/tree_list allocations.
3863 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
3864 (OBJECT_SIZE): New macro.
3865 (NUM_EXTRA_ORDER): Likewise.
3866 (extra_order_size_table): New variable.
3867 (NUM_ORDERS): New macro.
3868 (objects_per_page_table): New variable.
3869 (object_size_table): New variable.
3870 (G.pages): Use NUM_ORDERS to bound the array.
3871 (G.page_tails): Likewise.
3872 (DIV_ROUND_UP): Remove.
3873 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
3874 (alloc_page): Use OBJECT_SIZE.
3875 (size_lookup): Don't make it const.
3876 (ggc_alloc): Use OBJECT_SIZE.
3877 (ggc_set_mark): Likewise.
3878 (ggc_get_size): Likewise.
3879 (init_ggc): Set up the object_size_table, objects_per_page_table,
3880 and adjust size_lookup.
3881 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
3882 (ggc_pop_context): Use NUM_ORDERS.
3883 (clear_marks): Likewise.
3884 (sweep_pages): Likewise.
3885 (poison_pages): Likewise.
3886 (ggc_print_statistics): Use OBJECT_SIZE.
3888 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3890 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
3891 Only call array_size_for_constructor if last field and array type
3892 with no upper bound.
3894 2001-01-04 Philip Blundell <philb@gnu.org>
3896 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
3897 from bit 31 downwards, if this requires no more insns.
3898 (count_insns_for_constant): New helper function for above.
3900 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
3902 * gencodes.c (output_predicate_decls): Remove empty initializer.
3904 2001-01-04 Mark Mitchell <mark@codesourcery.com>
3906 * tree.c (copy_node): Remove documentation about obstacks.
3907 (buidl1): Check that nobody tries to build 2-argument nodes this
3910 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3912 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
3915 * gencodes.c (output_predicate_decls): Fill empty initializer
3918 2001-01-04 Jakub Jelinek <jakub@redhat.com>
3920 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
3921 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
3923 (do_include): Handle missing headers like cpp0.
3924 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
3925 paths with first include pathname. Don't strcat to uninitialized
3928 2001-01-04 Bernd Schmidt <bernds@redhat.com>
3930 * regrename.c (regrename_optimize): Don't rename from frame pointer
3931 if frame_pointer_needed.
3932 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
3933 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
3934 (ia64_reorg): Use it instead of scheduling if ! optimize.
3935 (errata_emit_nops): Properly call asm_noperands.
3936 (ia64_sched_reorder): Finish cycle if we see an asm.
3937 (ia64_variable_issue): Clear scheduling state after asms.
3939 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
3941 * cpp.texi: Update for -MT.
3942 * cppinit.c (initialize_dependency_output): Add a default
3943 target if none has been given already.
3944 (no_tgt, OPT_MT): New.
3945 (cpp_handle_option): Handle -MT. Update -M etc.
3946 * cpplib.h (struct cpp_options): Remove deps_target.
3947 * gcc.c (cpp_options): Handle -MT.
3948 * mkdeps.c (struct deps): Move from mkdeps.h.
3949 (deps_calc_target): Rename deps_add_default_target. Add a
3950 default target if none has been specified already.
3951 * mkdeps.h (struct deps): Move to mkdeps.c.
3952 (deps_calc_target): Rename deps_add_default_target.
3954 2000-01-03 Richard Henderson <rth@redhat.com>
3956 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
3958 * c-typeck.c (push_init_level): Move checks for flexible array
3959 members and zero length arrays ...
3960 (pop_init_level): ... here. Silently discard empty initializations.
3962 * varasm.c (output_constructor): Update for sizeof change to
3965 * extend.texi (Zero Length): Clarify semantics.
3967 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
3969 * configure.in (tm.h): Include isns-codes.h last.
3970 * configure: Rebuilt.
3972 2001-01-03 Richard Henderson <rth@redhat.com>
3974 * config/alpha/alpha.md (addvsi3, addvdi3): New.
3975 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
3977 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3979 * tradcpp.c (main): Make sure finclude() is called with a valid
3980 indepth value while handling -include.
3982 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
3984 * gencodes.c (output_predicate_decls): New function.
3986 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
3987 even if it is not the first time machmode.h is #included.
3988 * config/sh/sh.c (fpul_operand): Declare MODE argument.
3989 * tm.texi (PREDICATE_CODES): Document predicate declarations.
3990 * gcc.texi (Copyright): Added 2001.
3992 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
3994 * c-common.c (c_common_lang_init): New function. Warn if format
3995 warning options which only have effects when used with -Wformat
3996 are used without -Wformat.
3997 * c-common.h (c_common_lang_init): Declare.
3998 * c-lang.c (lang_init): Call c_common_lang_init.
3999 * objc/objc-act.c (lang_init): Call c_common_lang_init.
4001 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
4003 * configure.in: Check for the mktemp command.
4004 * configure: Regenerate.
4005 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
4006 $TEMP. Create temporary files with mktemp, if available at
4007 configure time; otherwise use set -C. Remove temporary files
4010 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
4012 * configure.in: Require at least texinfo 4.0. Check for whether
4013 Pod::Man is sufficiently recent to regenerate GCC manpages.
4014 * configure: Regenerate.
4015 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
4017 (GENERATED_MANPAGES): Define.
4018 (generated-manpages): New target. Depend on cpp.1 as well as
4020 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
4021 configure to generated-manpages or empty) rather than on the
4022 manpages directly. Remove execute permission from installed
4023 gcov.1 as well as cpp.1.
4024 * cpp.1, gcov.1: Regenerate.
4026 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4028 * builtins.c (expand_builtin_strncmp): Use host_integerp and
4029 tree_low_cst. Allow using cmpstrsi in more cases.
4031 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4033 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
4036 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
4038 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
4039 * Makefile.in (HOST_CFLAGS): Mention build-make.
4041 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4043 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
4046 2001-01-01 Bernd Schmidt <bernds@redhat.com>
4048 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
4051 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
4054 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
4055 reg_base_value and reg_known_value arrays.
4056 (init_alias_analysis): Add more cases to detect known values.
4057 * sched-deps.c (deps_may_trap_p): New function.
4058 (sched_analyze_2): Use it.
4060 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
4062 * combine.c (simplify_shift_const): Even if we're sign-extracting,
4063 don't discard an ASHIFTRT if we're shifting in a wider mode.
4065 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
4067 * toplev.c (rest_of_compilation): Don't print basic block information
4068 when CFG isn't up to date.
4070 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
4072 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
4073 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
4074 (UNALIGNED_SHORT_ASM_OP): Define.
4075 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
4077 2001-01-02 Mark Mitchell <mark@codesourcery.com>
4079 * fold-const.c (fold_convert): Fix typo.
4081 2001-01-02 Richard Henderson <rth@redhat.com>
4083 * c-common.h (ASM_INPUT_P): New.
4084 * c-parse.in (asm): Set it when needed.
4085 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
4086 existance of an operand.
4088 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
4090 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
4091 (dwarf2out_frame_debug_expr): Likewise.
4092 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
4094 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
4096 * i386.c (ix86_split_to_parts): Return number of part required;
4098 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
4100 (ix86_split_long_move): Use number of part returned
4101 by ix86_split_to_parts
4102 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
4104 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
4105 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
4106 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
4107 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
4108 (ALIGN_MODE_128): Add TFmode.
4109 (IS_STACK_MODE): Likewise.
4110 (HARD_REGNO_NREGS): TFmode needs 3 registers.
4111 (HARD_REGNO_OK): Support TFmodes.
4112 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
4113 * i386.md (scheduler definitions): Use memory operand to determine
4114 fst/fld instructions; use mode attribute to determine real mode of
4116 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
4117 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
4119 2001-01-02 Mark Mitchell <mark@codesourcery.com>
4121 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
4123 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
4125 * expr.c (store_constructor_field): Update ALIGN before calling
4128 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
4130 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
4133 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
4135 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
4138 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
4140 * c-decl.c (start_function): Don't warn on third parameter to main.
4142 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4144 * tsystem.h: Define HAVE_DECL_GETOPT.
4146 2001-01-02 Philip Blundell <pb@futuretv.com>
4148 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
4151 2001-01-02 Richard Henderson <rth@redhat.com>
4153 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
4155 2001-01-02 Andreas Jaeger <aj@suse.de>
4157 * c-decl.c (c_decode_option): Remove support of
4160 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
4161 (W_options): Add -Wmissing-noreturn here.
4163 * flow.c: Define lang_missing_noreturn_ok_p.
4164 (check_function_return_warnings): Use it.
4166 * c-common.h: Declare lang_missing_noreturn_ok_p.
4168 * c-lang.c (c_missing_noreturn_ok_p): New function.
4169 (lang_init): Set lang_missing_noreturn_ok_p.
4171 * invoke.texi (Warning Options): Document this.
4173 2000-12-27 Phil Edwards <pme@sources.redhat.com>
4175 * extend.texi (C++ Extensions): New node for C++ attributes;
4176 describe init_priority and com_interface.
4177 * invoke.texi: Remove -finit-priority as it now has zero effect.
4178 * install.texi: Fix xref syntax.
4179 * md.texi: Likewise.
4181 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4183 * config.gcc (sparc64-wrs-vxworks*): New case.
4184 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
4186 * config/sparc/sparc.c (sparc_override_options): Do support different
4187 pointer and architecture size.
4188 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
4189 (POINTERS_EXTEND_UNSIGNED): Define.
4190 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
4191 (FUNCTION_MODE): Define to be Pmode.
4192 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
4194 * function.c (expand_function_end): Properly handle DECL_RESULT
4195 and copy when ptr_mode != Pmode.
4196 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
4198 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4200 * c-common.c (c_common_nodes_and_builtins): Set prototype
4201 parameters for __builtin_fputs, __builtin_fputc and
4202 __builtin_fwrite. Don't declare plain fputc as a builtin.
4204 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
4206 * loop.c (add_label_notes): Increment the label usage count when
4207 a note is added to an insn which refers to a CODE_LABEL.
4208 * gcse.c (add_label_notes): Likewise.
4210 2001-01-01 Andreas Jaeger <aj@suse.de>
4212 * loop.c (scan_loop): Use xmalloc to allocate movables.
4214 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
4216 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
4217 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
4218 * reload1.c (REGISTER_MOVE_COST): Likewise.
4219 * regclass.c (REGISTER_MOVE_COST): Likewise.
4220 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
4221 dimension. Adjust all users.
4222 (init_reg_sets_1): Iterate on all modes.
4223 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
4224 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
4225 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
4226 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
4227 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
4228 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
4229 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
4230 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
4231 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
4232 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
4233 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
4234 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
4235 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
4236 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
4237 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
4238 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
4239 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
4240 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
4241 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
4242 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
4243 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
4244 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
4245 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
4246 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
4247 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
4248 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
4249 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
4251 2001-01-01 Bernd Schmidt <bernds@redhat.com>
4253 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
4254 arg VARIES_P. Call it with extra arg.
4255 (true_dependence): Likewise.
4256 * rtl.h (rtx_addr_can_trap_p): Declare.
4257 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
4259 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
4260 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
4261 pic offset table register if it's zero. All callers changed.
4262 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
4264 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4266 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
4267 STRING_POOL_ADDRESS_P.
4269 * config/sparc/sparc.c (input_operand): Properly test for short op.
4271 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
4272 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
4273 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
4274 * config/sparc/elf.h: No longer include sol2.h.
4275 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
4276 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
4278 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
4280 2001-01-01 Michael Hayes <mhayes@redhat.com>
4282 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
4283 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
4284 (record_initial): Likewise.
4285 * unroll.c (copy_loop_body, loop_iterations): Likewise.
4286 (remap_split_bivs): Likewise.
4288 2001-01-01 Michael Hayes <mhayes@redhat.com>
4290 * loop.c (loop_ivs_free): New function.
4291 (strength_reduce): Break out from...
4293 2001-01-01 Michael Hayes <mhayes@redhat.com>
4295 * loop.h (struct iv): New.
4296 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
4297 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
4298 'reg_biv_class' fields with 'regs' and 'n_regs'.
4299 (struct ivs): Rename 'loop_iv_list' field to 'list'.
4300 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
4301 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
4303 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
4305 * resource.c (mark_referenced_resources): Abort() before
4306 attempting to mark a pseudo register.
4307 (mark_set_resources): Likewise.
4309 2001-01-01 Michael Hayes <mhayes@redhat.com>
4311 * loop.h (REG_IV_CLASS): New accessor macro.
4312 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
4313 * unroll.c (REG_IV_CLASS): Likewise.
4315 See ChangeLog.4 for earlier changes.