1 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
4 define HAVE_DECL_* to 1 to mask potential backup declarations.
5 * configure: Regenerated.
7 2001-02-17 Mark Mitchell <mark@codesourcery.com>
9 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
11 2001-02-17 Richard Henderson <rth@redhat.com>
13 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
14 when replacing a memory load with a register.
16 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
17 Jan Hubicka <jh@suse.cz>
19 * recog.c (validate_replace_src_1): New.
20 (validate_replace_src_data): Likewise.
21 (validate_replace_src): Use note_uses.
22 * rtl.h (note_uses): Declare.
23 * rtlanal.c (note_uses): New.
25 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
27 * reg-stack.c (stack_def): Make field reg unsigned.
28 (remove_regno_note): Unsignetize parameter.
30 2001-02-16 Jes Sorensen <jes@linuxcare.com>
32 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
33 shladd_operand() call.
35 2001-02-16 Bruce Korb <bkorb@gnu.org>
36 Rodney Brown <RodneyBrown@mynd.com>
38 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
39 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
41 * fixinc/fixincl.x: regen
43 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
45 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
47 (hash_scan_insn): Clean up calls to hash_scan_set.
48 (compute_kill_rd): REGNO now unsigned.
49 (try_replace_reg): Rework to use simplify_replace_rtx.
50 (cprop_jump, cprop_cc0_jump): Likewise.
51 (cprop_insn): Call find_reg_equal_equiv_note.
52 Reflect changes to cprop_jump and cprop_cc0_jump.
54 * recog.c (validate_replace_src): Replace in operands of
55 ZERO_EXTRACT in SET_DEST.
57 * cse.c (new_label_ref): New variable.
58 (insert): Set it instead of recorded_label_ref.
59 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
60 CODE_LABEL for this function, and not already in REG_LABEL note.
62 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
64 * resource.c (mark_referenced_resources): Fix typo in introductory
66 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
69 2001-02-16 Jason Merrill <jason@redhat.com>
71 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
73 (gen_subprogram_die): Don't abort on seeing a second definition if
74 the previous one was abstract. Don't replace an abstract instance
77 * dwarf2out.c (dwarf2out_abstract_function): Rename from
78 gen_abstract_function.
79 * dwarf2out.h: Declare it.
80 * toplev.c (note_outlining_of_inline_function): New fn.
81 * toplev.h: Declare it.
82 * integrate.c (output_inline_function): Call it.
83 * c-decl.c (duplicate_decls): Call it when redefining an extern
84 inline. Don't inline the new defn.
86 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
88 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
90 * .gdbinit: Rename to gdbinit.in.
91 * gdbinit.in: New file,
92 * configure.in: Generate .gdbinit from gdbinit.in.
93 * configure: Regenerated.
94 * Makefile.in (distclean): Always remove .gdbinit.
96 2001-02-16 Jakub Jelinek <jakub@redhat.com>
98 * objc/objc-act.c (start_class): Register implemented_classes with
101 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
103 * cppfiles.c (_cpp_make_system_header): Generate a file
106 2001-02-15 Jim Meyering <meyering@lucent.com>
108 * Makefile.in (install-common): Don't depend on installdirs here.
109 Instead, make each of the lang.install-common targets (e.g.,
110 c++.install-common in cp/Make-lang.in) depend on it.
111 (install-driver): Depend on installdirs.
113 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
115 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
117 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
120 2001-02-15 Mark Mitchell <mark@codesourcery.com>
122 * invoke.texi (--param): Document.
124 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
126 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
128 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
130 * i386.md (extendsfdf2_2): Fix constraints.
132 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
134 * i386.md (fop_df_3 splitter): Fix operand number.
136 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
138 * invoke.texi (-mreg-alloc): Nuke.
139 * i386.c (ix86_reg_alloc_order, regs_allocated,
140 order_regs_for_local_alloc): Nuke.
141 (override_options): Kill reg_alloc code.
142 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
143 (REG_ALLOC_ORDER): SSE goes before I387.
144 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
145 (ix86_reg_alloc_order): Likewise.
146 * i386-protos.h (ix86_reg_alloc_order): Kill.
148 2001-02-14 Richard Henderson <rth@redhat.com>
150 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
152 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
154 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
156 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
158 * i386-protos.h (ix86_memory_move_cost): Move offline.
159 * i386.c (ix86_register_move_cost): Compute properly cost of
160 SSE, MMX and i387 instructions.
161 (*_cost): Add costs of SSE/MMX moves.
162 (ix86_memory_move_cost): Move offline from ....; Likewise.
163 * i386.h (MEMORY_MOVE_COST): .... here;
164 (struct processor costs): Add new fields to represent costs
167 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
169 * regclass.c (init_reg_sets_1): Reinstall the optimization of
170 move_cost together with Matt Kraai's fix.
172 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
174 * Makefile.in (OBJS): Add params.o.
176 2001-02-14 Richard Henderson <rth@redhat.com>
177 DJ Delorie <dj@redhat.com>
179 * jump.c (jump_optimize_1): When we delete a conditional jump
180 preceeding a non-conditional jump to effectively the same place,
181 make sure that the combined jump skips any clobber insns between
184 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
186 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
188 2001-02-14 Mark Mitchell <mark@codesourcery.com>
190 * Makefile.in (toplev.o): Depend on params.h.
191 (intergate.o): Likewise.
192 (params.o): New target.
193 * flags.h (inline_max_insns): Remove.
194 * integrate.c: Include params.h.
195 Use MAX_INLINE_INSNS instead of inline_max_insns.
196 * params.c: New file.
197 * params.h: Likewise.
198 * params.def: Likewise.
199 * toplev.c: Include params.h.
200 (lang_independent_params): New variable.
201 (decode_f_option): Use the param machinery instead of setting
203 (independent_decode_option): Handle "--param name=value".
204 (main): Register language-independent parameters.
206 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
208 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
210 2001-02-14 Richard Henderson <rth@redhat.com>
212 * regclass.c (init_reg_sets_1): Revert last two changes.
214 2001-02-14 Jakub Jelinek <jakub@redhat.com>
216 * stor-layout.c (is_pending_size, put_pending_size): New functions.
217 (variable_size): Call put_pending_size.
218 * tree.h (is_pending_size, put_pending_size): Add prototypes.
219 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
220 sizes list, put newly created SAVE_EXPR there as well.
222 2001-02-14 Jakub Jelinek <jakub@redhat.com>
224 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
225 (errata_find_address_regs): load_group has only 2 entries.
226 (errata_emit_nops): Likewise. shladd is not problematic.
227 Clear last_group if nop was emitted.
228 (fixup_errata): load_group has only 2 entries.
231 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
233 * c-lex.c (lex_number): Only warn traditionally for U suffix
234 outside system macros.
235 * cppexp.c (parse_number): Similarly.
236 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
237 * cppmacro.c (struct cpp_macro): New member node.
238 (parse_args): Only warn about missing rest args if not
240 (funlike_invocation_p): Similarly for uninvoked funlike macros.
241 (cpp_sys_objmacro_p): New.
242 (_cpp_create_definition): Store the node with the macro defn.
243 Remember if the macro is defined in a system header.
245 2001-02-13 DJ Delorie <dj@redhat.com>
247 * configure.in (check_languages): determine languages to check
248 * Makefile.in (check-c++): alias for check-g++
249 (check-f77): alias for check-g77
250 (CHECK_TARGETS): depend on configured languages
252 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
254 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
255 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
256 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
257 (sqrtextendsfdf2): Disable for SSE2.
259 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
261 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
262 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
263 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
264 (sqrtextendsfdf2): Disable for SSE2.
266 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
268 * i386.md (movsfcc_1): Support integer cmove instruction.
269 (movdfcc_1): Likewise; new splitter.
271 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
273 * i386.c (output_fp_compare): Support SSE.
274 (prepare_fp_compare_args): SSE comparisons always support memory.
275 * i386.h (TARGET_CMOVE): SSE imply cmove.
276 * i386.md (cmp?f2): Enable for SSE too.
277 (cmpfp_i*): Support SSE.
279 (cmpfp_i_sse_only): New.
280 (s*, b* fp expanters): Enable for SSE too.
281 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
284 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
286 * regclass.c (init_reg_sets_1): Silence warning.
288 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
290 * i386.md (sqrt?f2): Change to expander.
291 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
293 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
295 * rtlanal.c (find_reg_equal_equiv_note): New function.
296 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
297 (simplify_gen_relational, simplify_replace_rtx): Likewise.
298 * rtl.h: Add declarations for above functions.
300 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
302 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
304 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
305 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
306 * flow.c (mark_regs_live_at_end): Likewise.
307 (calculate_global_regs_live): Likewise.
308 * gcse.c (compute_hash_table): Likewise.
309 (compute_kill_rd): Likewise.
310 * resource.c (mark_target_live_regs): Likewise.
311 * rtl.h (INVALID_REGNUM): New macro.
313 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
315 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
317 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
319 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
322 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
324 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
326 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
327 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
328 (fop_sf_1_sse, fop_df_1_sse): New patterns
329 (fop_*): Disable float_extend and float patterns for SSE compilation.
330 * i386.c (output_387_binary_op): Support SSE.
332 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
334 * i386.md (dummy_extendsfdf2): Support SSE2
335 (extendsfdf2): Enable if 80387 or SSE2.
336 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
338 (extendsfdf2_1_sse_only): New pattern.
339 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
341 (truncdfsf2_1): Support SSE.
342 (truncdfsf2_2): Support SSE.
343 (truncdfsf2_2_1_sse): New pattern.
344 (fixtruncsfsi2): Always use SSE if available.
345 (fix_truncsfsi_sse): New pattern.
346 (fix_truncdfsi_sse): New pattern.
347 (floatsis?f2): Support SSE.
348 (floatsidf2_i387): New pattern.
349 (floatsidf2_sse): Likewise.
351 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
353 * configure.in: Use "have_gnat" variable, not "gnat".
354 * configure: Regenerated.
356 * config/sparc/sparc.c (function_value): Treat all non-record
357 aggregate types like used to treat UNION_TYPE.
359 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
361 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
362 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
364 (MASK_MIX_SSE_I387): New.
365 (TARGET_SSE): SSE2 imply SSE.
366 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
367 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
368 (enum reg_class): Add new classes.
369 (REG_CLASS_NAMES): Likewise.
370 (REG_CLASS_CONTENTS): Likewise.
371 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
372 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
373 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
374 (CLASS_MAX_NREGS): Use new macros.
375 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
376 * i386.md (pushsf, movsf): Support SSE.
377 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
378 splitters to use ANY_FP_REGNO_P.
379 (movdf_nointeger, movdf_integer): Likewise.
381 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
383 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
384 (try_combine): Use it.
386 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
388 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
389 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
390 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
391 (REGISTER_MOVE_COST): Likewise.
392 * i386-protos.h (ix86_secondary_memory_needed,
393 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
394 * i386.c (ix86_secondary_memory_needed,
395 ix86_preferred_reload_class, ix86_register_move_cost): New function.
397 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
399 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
400 (HARD_REGNO_MODE_OK): Move offline to ....
401 * i386.c (ix86_hard_regno_mode_ok) ... here;
402 refuse all incorrect modes.
403 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
405 2001-02-13 Richard Henderson <rth@redhat.com>
407 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
408 entire operator; replicate that and match_dup the operands.
409 (cmp_ccx_arith_op_set): Likewise.
410 (cmp_cc_arith_op_not_set): Likewise.
411 (cmp_ccx_arith_op_not_set): Likewise.
413 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
415 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
417 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
419 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
420 (TARGET_NO_BITFIELD_WORD): New macro.
421 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
422 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
424 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
426 * cselib.c: New file, from simplify-rtx.c.
427 * simplify-rtx.c: Remove cselib parts.
428 * Makefile.in: Add cselib.o.
430 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
432 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
433 (setup_incoming_varargs): Remove warning.
435 * config/rs6000/rs6000.c (validate_condition_mode): When
436 flag_fast_math, allow floating-point conditionals to be reversed.
437 (rs6000_generate_compare): When flag_fast_math, don't generate
438 cror operations for FP conditionals.
440 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
442 (ASM_SPEC): Likewise.
443 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
444 (CC1_SPEC): Likewise.
445 (LINK_TARGET_SPEC): Likewise.
446 (CPP_ENDIAN_SPEC): Likewise.
447 * Makefile.in (check-consistency): New target.
449 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
451 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
452 "return type defaults" warning for functions with return type
454 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
455 function declarations by default rather than only when pedantic.
457 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
459 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
462 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
464 * extend.texi (Deprecated): Deprecate new initializer lists.
466 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
468 * mkdeps.c (deps_add_default_target): Robustify. Add
469 basename component only.
470 * cpp.texi (-M): Describe how default target is generated.
471 * invoke.texi (-M): Likewise.
473 2001-02-12 Kazu Hirata <kazu@hxi.com>
475 * toplev.c (push_float_handler): Remove.
476 (pop_float_handler): Remove.
477 * toplev.h: Remove prototypes for the above functions.
479 2001-02-12 Jakub Jelinek <jakub@redhat.com>
481 * c-common.c (constant_fits_type_p): New function.
482 (convert_and_check): Use it.
484 2001-02-11 Mark Mitchell <mark@codesourcery.com>
486 * Makefile.in (GXX_ABI_FLAG): Don't define.
487 * configure.in (--enable-new-gxx-abi): Remove option.
488 * config.in: Regenerated.
489 * configure: Likewise.
491 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
493 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
495 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
496 regular basic block, and arrange for all edges into it to switch
499 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
501 * Makefile.in (distclean): Do not remove .gdbinit.
503 2001-02-11 Mark Mitchell <mark@codesourcery.com>
505 * Makefile.in (gcc.o): Fix typos.
506 (protize.o): Likewise.
507 (unprotoize.o): Likewise.
509 2001-02-11 Richard Henderson <rth@redhat.com>
511 * tree.c (build1): Check for null operand in last change.
513 2001-02-11 Richard Henderson <rth@redhat.com>
515 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
516 (fold): Don't assume a constant isn't foldable.
517 * tree.c (build): Set TREE_CONSTANT for an expression with no
518 side-effects and constant operands.
521 2001-02-10 Richard Henderson <rth@redhat.com>
523 * jump.c (squeeze_notes): Revert 2000-05-12 change.
525 2001-02-10 Anthony Green <green@redhat.com>
527 * cpp.texi (Standard Predefined): Add documentation for
530 * c-common.c (combine_strings): Improve warning message.
532 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
534 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
536 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
538 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
540 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
543 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
545 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
548 2001-02-09 Nick Clifton <nickc@redhat.com>
550 * config/arm/arm.md: Change output contraint on post inc
551 load/store multiple patterns to be a read/write contraint.
553 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
555 * gcc.c (cpp_options): Delete .d files on error. Don't delete
556 .o files when using the -M options.
558 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
559 David Edelsohn <edelsohn@gnu.org>
561 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
562 handle DImode constants. Use one TOC entry for SImode and smaller
563 constants, aligned properly.
565 2001-02-08 Jason Merrill <jason@redhat.com>
567 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
568 about the SP adjustment for saving the static chain pointer.
569 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
570 offset when setting a temporary CFA register.
572 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
574 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
575 powerpc-*-chorusos* .
576 * config/rs6000/chorus.h : New file.
577 * config/i386/chorus.h : New file.
578 * config/sparc/chorus.h : New file.
579 * config/sparc/t-chorus-elf : New file.
581 2001-02-08 David Edelsohn <edelsohn@gnu.org>
583 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
584 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
585 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
586 (__WCHAR_TYPE__): Correct macro name.
588 2001-02-08 Richard Henderson <rth@redhat.com>
590 * config/i386/i386.c (ix86_frame_pointer_required): New.
591 (ix86_setup_frame_addresses): New.
592 (struct machine_funciton): Add accesses_prev_frame.
593 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
594 ix86_frame_pointer_required.
595 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
596 (SETUP_FRAME_ADDRESSES): New.
597 * config/i386/i386-protos.h: Update.
598 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
599 from FRAME_POINTER_REQUIRED.
600 * config/i386/svr3gas.h: Likewise.
601 * config/i386/sysv3.h: Likewise.
602 * config/i386/v3gas.h: Likewise.
604 2001-02-08 Richard Henderson <rth@redhat.com>
606 * config/sparc/sparc.c (function_arg_record_value_3): Fix
607 calculation of the number of integer registers required.
608 (function_arg_record_value): Likewise.
610 2001-02-08 Jason Merrill <jason@redhat.com>
612 * diagnostic.c (internal_error): Say "confused" after 1 error, not
613 two. Print file and line with "confused" message.
615 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
617 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
619 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
621 2001-02-08 Bernd Schmidt <bernds@redhat.com>
623 * final.c (cleanup_subreg_operands): The address of a MEM can
626 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
629 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
631 * gcc.texi (Incompatibilities): Update documentation of
632 preprocessing numbers.
634 2001-02-07 Jakub Jelinek <jakub@redhat.com>
636 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
638 2001-02-07 Mark Mitchell <mark@codesourcery.com>
640 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
642 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
643 * gcc.c (struct compiler): Add cpp_spec field.
644 (input_file_compiler): New variable.
645 (do_spec_1): Allow a particular compiler to handle `%C'
647 (main): Store the current compiler in input_file_compiler.
648 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
650 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
652 * cpphash.h (struct spec_nodes): Add n_true and n_false.
653 * cppinit.c (cpp_create_reader): Initialize them.
654 (append_include_chain): cxx_aware arg might be unused.
655 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
656 keywords and give them their phase 7 meaning. Pedwarn about
657 this unless '__bool_true_false_are_defined' is defined.
659 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
661 * lcm.c (optimize_mode_switching): Emit mode_set before the
662 JUMP_INSN of an abnormal edge.
664 2001-02-07 Bernd Schmidt <bernds@redhat.com>
666 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
667 a scheduling barrier at the end.
669 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
671 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
673 * config/sh/sh.md (reload_outsf): Removed.
674 (movsf_ie): Introduce constraints for FPUL loads and stores.
675 (reload_insf): Broaden the output constraint.
677 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
679 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
680 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
682 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
684 * final.c: Revert my previous changes.
685 * output.h: Make profile_label_no extern.
686 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
687 for generating label.
689 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
691 * config/i386/djgpp.h: Add comments about standard paths.
692 (MD_EXEC_PREFIX): Undefine before defining.
693 (MD_STARTFILE_PREFIX): New.
695 2001-01-30 Bruce Korb <bkorb@gnu.org>
697 fixinc/fixincl.c(process): Emit error message only if appropriate :)
698 (load_file): do not rely on load_file_data() to close file pointer
699 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
700 fixinc/inclhack.def(irix_limits_const): add test_text
702 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
704 * cppexp.c (parse_defined): Improve diagnostics for invalid
707 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
709 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
711 2001-02-06 Mark Mitchell <mark@codesourcery.com>
713 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
714 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
715 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
716 (rs6000_output_symbol_ref): New function.
717 (output_toc): Use VTABLE_NAME_P.
719 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
721 * print-tree.c (print_node, case PARM_DECL):
722 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
724 * stor-layout.c (reference_types_internal): New variable.
725 (internal_reference_types): New function.
726 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
727 * tree.h (internal_reference_types): New declaration.
729 * cse.c (find_best_addr): Fix typo in computing cost.
731 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
733 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
734 and this is the sum of a pointer and a constant, we know the result
736 (num_sign_bit_copies, case PLUS): Likewise.
737 * explow.c (convert_memory_address): Remove opposite SUBREG.
738 * function.c (instantiate_new_reg): New function (from common code).
739 (instantiate_virtual_regs_1): Call it.
740 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
741 if pointers sign- or zero-extend.
742 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
743 If pointers extend unsigned, use inside of SUBREG.
744 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
746 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
748 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
749 subdir of gcc_gxx_include_dir.
750 (gcc_gxx_target_include_dir): Remove.
752 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
754 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
755 (dwarf2out_frame_debug_expr): Revise introductory comments to add
756 a high-level description.
758 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
760 * final.c: Move the declaration of profile_label_no to ...
761 * output.h: ... here.
762 * function.c (expand_function_start): Call PROFILE_HOOK.
763 * config/rs6000/aix.h: Define PROFILE_HOOK.
764 * config/rs6000/rs6000-protos.h: output_profile_hook new.
765 * config/rs6000/rs6000.c (output_profile_hook): Define.
766 (output_prolog): Do nothing for ABI_AIX as it is taken care by
768 tm.texi : Explain new macro PROFILE_HOOK.
770 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
772 * extend.texi (Extended Asm): Do not say that semicolon is always
773 a valid line-breaking character for GNU assemblers. Use
774 newline-tab as the most commonly supported syntax. Use
775 newline-tab rather than semicolon in multi-insn examples.
777 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
779 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
781 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
782 David Edelsohn <edelsohn@gnu.org>
784 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
785 code for AIX, even without flag_pic.
787 2001-02-05 Jakub Jelinek <jakub@redhat.com>
789 * c-typeck.c (common_type): push and pop binding level around
790 calling common_type on function parameters.
792 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
794 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
796 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
798 * config/mips/mips.c (override_options): Fix typo in last change.
799 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
800 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
802 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
804 * invoke.texi (-fdump-class-layout): Document.
805 (-fdump-translation-unit): Use `=' as filename separator.
807 2001-02-05 Mark Mitchell <mark@codesourcery.com>
809 * Makefile.in (s-mlib): Don't build multilibs if
811 (DRIVER_DEFINES): Adjust accordingly.
813 (protoize.o): Likewise.
814 (unprotoize.o): Likewise.
815 * configure.in: Recognize --enable-multilib.
817 2001-02-04 Mark Mitchell <mark@codesourcery.com>
819 * Makefile.in (DRIVER_DEFINES): Fix quoting.
821 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
822 * configure.in: Remove --enable-libstdcxx_v3 support.
823 * configure: Regenerated.
825 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
827 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
828 Call abort instead of fatal.
829 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
830 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
831 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
832 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
833 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
834 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
836 * diagnostic.h (set_internal_error_function): Renamed.
837 * toplev.h (internal_error): Renamed from fatal.
838 (pfatal_with_name): Deleted.
839 (fatal_io_error): Now has printf-style arguments.
840 * diagnostic.c (pfatal_with_name): Deleted.
841 (fatal_io_error): Rework to have args in printf-style.
842 (set_internal_error_function): Renamed from set_fatal_function.
843 (internal_error): Renamed from fatal.
844 (error_recursion, fancy_abort): Call internal_error instead of fatal.
845 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
846 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
847 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
848 * flow.c (verify_flow_info): Likewise.
849 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
850 * config/mips/mips.c (save_restore_insns): Likewise.
852 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
853 * flow.c (verify_flow_info): Likewise.
854 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
855 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
856 (avr_normalize_condition): Likewise.
857 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
858 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
859 (limit_reload_class, double_reg_to_memory): Likewise.
860 (print_operand_address, emit_1600_code_shift): Likewise.
861 (gen_tst_reg, gen_compare_reg): Likewise.
862 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
863 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
865 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
867 * c-parse.in (methoddef): Call fatal_error instead of fatal.
868 * objc/objc-act.c (build_ivar_chain): Likewise.
869 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
871 * graph.c (clean_graph_dump_file): Likewise.
872 * profile.c (init_branch_prob): Likewise.
873 * objc/objc-act.c (objc_init): Likewise.
875 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
876 * config/avr/avr.c (avr_override_options): Likewise.
877 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
878 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
879 * config/h8300/h8300.c (h8300_init_once): Likewise.
880 * config/mips/mips.c (override_options): Likewise.
881 * config/i386/i386.c (override_options): Likewise, rework.
882 * config/m68k/m68k.c (override_options): Likewise.
884 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
886 * config/mips/mips.c (print_operand): Likewise.
887 * hash.c (hash_allocate): Don't check for failure returns from
888 obstack functions that can't fail.
889 (hash_table_init_n, hash_table_init): Likewise; also now return void.
890 * hash.h (hash_table_init_n, hash_table_init): Now return void.
891 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
892 (get_object_reference): Likewise.
894 2001-02-04 Nick Clifton <nickc@redhat.com>
896 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
897 StrongARM1110, 10TDMI, and 1020T.
899 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
901 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
903 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
905 * config/sh/sh.md (movdf load split): Pass register number to
908 2001-02-04 Mark Mitchell <mark@codesourcery.com>
910 * cppinit.c (BC): New macro.
911 (builtin_array): Add __GXX_WEAK__.
912 * cpplib.h (builtin_type): Add BT_WEAK.
913 * cppmacro.c (builtin_macro): Handle BT_WEAK.
914 * defaults.h (SUPPORTS_ONE_ONLY): Define.
915 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
917 2001-02-03 Jakub Jelinek <jakub@redhat.com>
919 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
921 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
923 * cpphash.h: Rename _ALIGN POOL_ALIGN.
924 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
926 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
928 * cpphash.h: Rename ALIGN _ALIGN.
929 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
931 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
933 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
934 compilation environment.
935 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
936 control over location of cygwin includes and libs.
938 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
940 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
942 2001-02-02 lars brinkhoff <lars@nocrew.org>
944 * md.texi (Standard Names): remove reference to spur.md.
946 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
948 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
949 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
950 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
951 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
952 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
954 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
956 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
957 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
958 number before reload.
959 (c4x_adjust_cost): Return zero before reload.
960 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
963 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
965 * c4x.c (c4x_hard_regno_rename_ok): New.
966 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
967 * c4x.h (HARD_REGNO_RENAME_OK): Define.
969 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
971 * diagnostic.h: Add missing "extern" in all declarations.
973 2001-02-02 Alex Samuel <samuel@codesourcery.com>
975 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
976 as for gcc_gxx_include_dir.
978 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
980 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
982 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
984 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
985 label before alignment to be used as the braf base address.
986 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
988 (casesi_jump_2): Require at least TARGET_SH2.
990 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
991 truncation to 32-bit doubles on -m3e and -m4-single-only.
993 2001-02-02 Mark Mitchell <mark@codesourcery.com>
995 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
996 the default when building a shared object.
998 * testsuite/lib/g++.exp: Include the directory where libgcc
999 is located to the LD_LIBRARY_PATH list.
1000 * invoke.texi (-shared-libgcc): Document the cases in which
1001 GCC defaults to using the shared libgcc.
1003 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
1005 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
1006 unsigned is wide enough.
1008 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
1009 (si_to_float): Likewise.
1010 (float_to_si, float_to_usi): Use BITS_PER_SI.
1012 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
1014 * dwarf2out.c: Added explanation of abbreviations.
1015 (def_cfa_1): Added comments listing DWARF2 instructions.
1016 (cfa_temp_reg): Removed in favor of cfa_temp.
1017 (cfa_temp_value): Removed in favor of cfa_temp.
1018 (cfa_temp): New global variable.
1019 (dwarf2out_frame_debug_expr): Added extensive introductory
1020 comments explaining the function's transformations. Revised to
1021 use cfa_temp. Added some rtx checking. Generalize IOR case.
1022 (dwarf2out_frame_debug): Revised to use cfa_temp.
1023 (output_aranges): Cast as "unsigned" to avoid warning.
1024 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
1025 explain which instructions must be marked.
1027 2001-02-01 Richard Henderson <rth@redhat.com>
1029 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
1032 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
1034 * config/sh/crt1.asm (main_k): Modified so that start calls
1035 ___setup_argv_and_call_main.
1037 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
1039 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
1040 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
1041 and AVOID_LPASTE is cleared on meeting an unescaped newline.
1042 * cppmacro.c (builtin_macro): Set builtin flags here.
1043 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
1044 (replace_args): Clarify intent.
1045 (cpp_get_token): Macro expansion tokens get the saved flags.
1047 * cppmain.c (scan_buffer): Remove now-redundant print.printed
1050 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
1052 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
1055 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1057 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
1058 returns Pmode pseudo, but we need ptr_mode.
1059 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
1060 Remove bogus conversions; use HOST_WIDE_INT for size.
1061 Don't use TARGET if wrong mode.
1063 * config/i386/i386.c (ix86_compute_frame_size): Allow
1064 stack_alignment_needed to be non-default even if size is zero.
1066 2001-01-31 Alan Modra <alan@linuxcare.com.au>
1068 * (hppa_init_pic_save): Emit the pic offset table
1069 reg save after last_parm_insn.
1070 * pa.c (hppa_init_pic_save): New function.
1071 * pa.h (hppa_init_pic_save): Declare.
1072 * pa.md (call, call_value, sibcall, sibcall_value): Use
1073 the above instead of duplicated code.
1075 * pa.c (hppa_encode_label): Correct size of alloca buffer
1076 so we don't overrun it. Correct leading `*' case.
1077 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
1078 need to handle `*@'.
1079 (FUNCTION_NAME_P): Likewise.
1081 2001-01-31 Richard Henderson <rth@redhat.com>
1083 * config.gcc (alpha-osf5): Use float-i128.h.
1085 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
1086 * config/float-i32.h: Likewise.
1087 * config/float-i64.h: Likewise.
1088 * config/float-sh.h: Likewise.
1089 * config/float-sparc.h: Likewise.
1091 2001-01-31 DJ Delorie <dj@redhat.com>
1093 * expmed.c (extract_bit_field): allow non-integral modes if we
1094 want to extract a whole register from itself.
1096 2001-01-31 Jakub Jelinek <jakub@redhat.com>
1098 * c-typeck.c (set_init_index): If first is equal to last, assume as
1099 if it was not a range at all.
1101 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
1103 * config/fp-bit.c: Include tm.h.
1104 (float_to_si): Don't assume SImode is 32-bits wide.
1105 (float_to_usi): Likewise.
1107 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
1109 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
1111 (typename): Call pending_xref_error after parsing typed_typespecs.
1112 * c-decl.c (lookup_tag): Give error immediately rather than
1113 leaving it pending if the tag of the wrong type is in the same
1115 (xref_tag): Don't pedwarn for forward declarations of enum types
1117 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
1120 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
1122 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
1124 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
1126 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
1127 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
1129 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
1131 * cpphash.h (struct cpp_reader): New saved_flags.
1132 * cppmacro.c (cpp_get_token): Use saved_flags to remember
1133 to avoid a paste after a pasted token.
1135 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
1137 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
1138 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
1139 Wtype_MIN instead of LONG_MIN.
1141 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
1143 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
1145 * fixinc/fixincl.x: Regenerated.
1146 * fixinc/inclhack.def (irix_limits_const): New definition to
1147 convert "const" to "__const" in limits.h.
1149 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
1151 * fixinc/genfixes (AG): Fix "autogen4" thinko.
1153 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1155 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
1156 when register dies in the insn.
1158 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
1160 * diagnostic.c (fatal): Fix word wrap.
1162 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
1164 * combine.c (try_combine): Fix SUBREG setting for
1165 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
1167 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1169 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
1172 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
1174 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
1176 * toplev.c (decode_W_option): Update warn_larger_than
1177 unconditionally for each processed switch.
1179 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
1181 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
1183 (hppa_expand_prologue): Delete code to save pic offset table register
1184 in the function prologue.
1185 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
1186 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
1187 table register at the beginning of the function after the prologue.
1189 2001-01-29 lars brinkhoff <lars@nocrew.org>
1191 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
1193 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
1194 Jeff Law <law@redhat.com>
1196 * pa.md (return): Revise comment for trivial return.
1197 (return_internal): Non-trivial return pattern for non-PIC code.
1198 (return_internal_pic): Non-trivial return pattern for PIC code.
1199 It uses the PIC register to ensure it is restored after
1201 (epilogue): Generate appropriate return for PIC and non-PIC code.
1203 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
1205 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
1207 2001-01-29 DJ Delorie <dj@redhat.com>
1209 * combine.c (if_then_else_cond): Pass the correct mode to
1210 operand_subword() for constants.
1212 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
1214 * config/i386/cygwin.h: Add w32api to include search. Search different
1215 directories in a cross-build environment.
1217 2001-11-29 Tim Josling <tej@melbpc.org.au>
1219 * tree.h (TYPE_STUB_DECL): Add documentation.
1221 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
1223 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
1224 (sdbout_field_types): Likwise. Fix use of host_integerp.
1226 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
1228 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
1231 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
1233 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
1234 to use flag_gnu_linker.
1236 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
1238 * cpplib.c (T_BAD_DIRECTIVE): Remove.
1239 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
1241 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
1243 * tree.c, tree.h (build_parse_node): Remove; was identical to
1245 * c-lang.c (start_cdtor), objc/objc-act.c
1246 (build_module_descriptor): Use build_nt instead of
1249 2001-01-29 Jakub Jelinek <jakub@redhat.com>
1251 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
1252 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
1253 not have any upper bits set.
1255 2001-01-29 Phil Edwards <pme@sources.redhat.com>
1257 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
1259 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1261 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
1263 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
1265 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
1266 (integer_minus_one_node): Define.
1268 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
1270 * Makefile.in (bootstrap2-lean): Fix typo.
1272 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
1274 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
1275 : Don't set fe_value.
1276 * cpplib.h (AVOID_LPASTE): New flag.
1277 (struct cpp_hashnode): Remove fe_value.
1278 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
1279 * cppmacro.c (builtin_macro): Don't set flags here.
1280 (replace_args): Set AVOID_LPASTE flag on first token of an
1281 argument, and the token following it.
1282 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
1283 macro expansion, and on the token following it. Do it for
1285 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
1287 2001-01-27 Richard Henderson <rth@redhat.com>
1289 * config/alpha/t-ieee: Remove multilibbing.
1290 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
1292 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1294 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
1296 * Makefile.in: Remove all dependencies on defaults.h.
1297 * builtins.c: Don't include defaults.h.
1298 * c-common.c: Likewise.
1299 * c-decl.c: Likewise.
1300 * c-pragma.c: Likewise.
1301 * c-typeck.c: Likewise.
1302 * combine.c: Likewise.
1304 * frame-ia64.c: Likewise.
1305 * cppexp.c: Likewise.
1306 * crtstuff.c: Likewise.
1307 * dbxout.c: Likewise.
1308 * dwarf2out.c: Likewise.
1309 * dwarfout.c: Likewise.
1310 * emit-rtl.c: Likewise.
1311 * except.c: Likewise.
1313 * final.c: Likewise.
1314 * frame-dwarf2.c: Likewise.
1315 * libgcc2.c: Likewise.
1316 * optabs.c: Likewise.
1317 * profile.c: Likewise.
1318 * sdbout.c: Likewise.
1319 * toplev.c: Likewise.
1320 * tradcif.y: Likewise.
1322 * varasm.c: Likewise.
1324 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1326 * builtins.c (expand_builtin_fputs): Use size_one_node when
1327 transforming into fwrite.
1329 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
1331 * extend.texi (Attribute Syntax): New section.
1333 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
1335 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
1336 they didn't need fixing.
1338 2001-01-27 Janis Johnson <janis@us.ibm.com>
1340 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
1342 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
1343 to remove macro definitions that are duplicated from elfos.h.
1345 2001-01-27 Richard Henderson <rth@redhat.com>
1347 * config/i386/sco5gas.h: Move ...
1348 * config/usegas.h: ... here.
1349 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
1351 2001-01-27 Jakub Jelinek <jakub@redhat.com>
1353 * c-typeck.c (struct constructor_stack): Add range_stack member.
1354 (really_start_incremental_init): Clear it.
1355 (push_init_level): Save constructor_range_stack and clear it if
1356 pushing explicit braces.
1357 (pop_init_level): abort if constructor_range_stack is non-zero at
1358 explicit closing brace. Restore saved constructor_range_stack if
1361 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
1363 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
1364 into register was forced into memory.
1366 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
1368 * Makefile.in: Remove uses of + before $(MAKE).
1370 2001-01-26 Richard Henderson <rth@redhat.com>
1372 * stmt.c (cost_table): Remove.
1373 (COST_TABLE, cost_table_initialized): New.
1374 (estimate_case_costs): Use the later instead of the former.
1375 (balance_case_nodes): Likewise.
1377 2001-01-26 Richard Henderson <rth@redhat.com>
1379 * alias.c (objects_must_conflict_p): Read-only slots may not
1380 conflict despite having the same type.
1382 2001-01-27 Michael Hayes <mhayes@redhat.com>
1384 * loop.c (loop_giv_reduce_benefit): Copy mode size into
1386 (check_ext_dependant_givs): Initialise u_start_val and
1388 (load_mems): Make last_max_reg unsigned.
1389 (try_swap_copy_prop): Use INSN_P and initialise set.
1391 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
1393 * README.AVR : Removed.
1395 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
1397 * pa-64.h (text_section): Remove declaration.
1399 * pa.md (return_internal): Remove mode on PIC register use.
1401 2001-01-25 lars brinkhoff <lars@nocrew.org>
1403 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
1404 ASM_CLOSE_PAREN): fix typos.
1406 2001-01-25 Mark Mitchell <mark@codesourcery.com>
1408 * acconfig.h: Define `const' to the empty string if neither
1409 __STDC__ nor __cplusplus is defined.
1410 * config.in: Regenerated.
1412 2001-01-25 David Edelsohn <edelsohn@gnu.org>
1414 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
1415 * collect2.c (main): Delete importf. Add ".obj" file extension.
1416 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
1417 (aix_std_libs): Add additional AIX libraries to skip.
1418 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
1419 * config/rs6000/aix51.h: New file.
1421 2001-01-25 Michael Hayes <mhayes@redhat.com>
1423 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
1424 (loop_insn_emit_before): No longer static.
1425 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
1426 (loop_givs_rescan, load_mems): Likewise.
1427 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
1428 (maybe_eliminate_biv_1):
1429 (move_movables): Replace emit_call_insn_before with
1430 loop_call_insn_hoist.
1431 * loop.h (loop_insn_emit_before): Add.
1432 * unroll.c (copy_loop_body): Replace emit_insn_before with
1433 loop_insn_emit_before.
1435 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
1437 * diagnostic.c (fatal): Request preprocessed source.
1439 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
1441 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
1442 olddecl has argument types and newdecl has none, use the argument
1445 2001-01-24 Ulrich Drepper <drepper@redhat.com>
1447 * dwarf2out.c (prefix_of): New function. Determine longest common
1448 prefix of the two arguments. The units are whole path components.
1449 (output_file_names): When adding a new directory find the one entry
1450 with the longest common prefix already in the list. Artificially
1451 generate entry if there is none for this prefix.
1452 Fix test to check whether the zeroth directory entry is used.
1454 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
1456 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
1457 Changed all callers. Take it into account when deciding if a
1458 previously loaded value matches.
1460 2001-01-24 Richard Henderson <rth@redhat.com>
1462 * reload.c (find_reloads_subreg_address): Fail the substitution
1463 if the resulting address is insufficiently aligned.
1465 2001-01-24 DJ Delorie <dj@redhat.com>
1467 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
1468 check the original operand's mode also.
1469 * simplify-rtx.c (simplify_ternary_operation): Ditto.
1471 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
1473 * c-parse.in (cast_expr): Move compound literals from here ...
1474 (primary): ... to here. Use standard terminology "compound
1475 literal" instead of "constructor expression".
1477 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
1479 * gcc.1, cpp.1: Regenerate.
1481 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
1483 * calls.c (emit_library_call_value_1): Memory slot for
1484 pass-by-reference argument should have the mode of the argument,
1485 not of the pointer to it.
1487 2001-01-24 Tom Tromey <tromey@redhat.com>
1489 * gcc.texi (G++ and GCC): Mention gcj manual.
1490 (Standards): Link to section of manual mentioning gcj/Java
1493 2001-01-24 Jakub Jelinek <jakub@redhat.com>
1495 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
1496 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
1497 * tradcpp.c (main): Add -imacros or -include'd dependencies
1499 * cpp.texi (-M, -MM): Document -M -include behaviour.
1501 2001-01-24 Roger Collins <roger@ProProject.com>
1503 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
1505 2001-01-24 Will Cohen <wcohen@redhat.com>
1507 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
1508 whether registers are 32 bits or 64 bits in size.
1510 2001-01-24 Ben Elliston <bje@redhat.com>
1512 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
1514 2001-01-24 Richard Henderson <rth@redhat.com>
1516 * config/alpha/alpha.md (builtin_longjmp_internal): New.
1517 (builtin_longjmp): Use it instead of emit_indirect_jump.
1519 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
1521 * bb-reorder.c (make_reorder_chain_1): Handle case where
1522 jump edge goes to the same block as the fallthru edge.
1524 2001-01-23 Jim Wilson <wilson@redhat.com>
1526 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
1527 * frame.h (__ia64_personality_v1): Add prototype.
1528 * libgcc2.c (ia64_throw_helper): Change personality declaration to
1529 prototype form. Add void * cast to first argument to personality
1531 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
1532 (asctoe113): Likewise.
1533 * config/ia64/frame-ia64.c: Include eh-common.h.
1534 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
1536 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
1538 (itanium_split_issue): Add prototype.
1539 (gen_nop_type): Ifdef out.
1540 (find_best_packet): Initialize best_packet.
1541 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
1543 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
1544 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
1545 (flushrs): Add explicit stop bit at end.
1546 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
1549 2001-01-23 Chris Demetriou <cgd@broadcom.com>
1551 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
1553 * libgcc2.c (__terminate_func): Make variable static.
1554 (__terminate_set_func): New function to set __terminate_func.
1555 * libgcc2.h (__terminate_func_ptr): New typedef.
1556 (__terminate_set_func): New function.
1558 2001-01-23 Richard Henderson <rth@redhat.com>
1560 * flow.c (init_propagate_block_info): Don't consider unchanging
1561 memories for dead frame store elimination.
1563 2001-01-23 Richard Henderson <rth@redhat.com>
1565 * varasm.c (UNIQUE_SECTION): Move default implementation ...
1566 * defaults.h: ... here.
1568 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1570 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
1572 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
1574 * c-lex.c (lex_charconst): Fix typo: s/p/str.
1576 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1578 * rs6000.h (rs6000_return_addr): Move prototype from here...
1579 * rs6000-protos.h (rs6000_return_addr): ...to here.
1580 (rs6000_init_expanders): Delete prototype.
1582 2001-01-23 Nick Clifton <nickc@redhat.com>
1584 * invoke.texi: Replace , with \, inside @gccoptlist macros.
1585 (Spec Files): Document %B and %j and %. and %v3 and %M and
1586 %{S*&T} spec switches.
1588 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1590 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
1592 2001-01-23 Chris Demetriou <cgd@sibyte.com>
1593 Neil Booth <neil@daikokuya.demon.co.uk>
1595 * cpperror.c: Merge handlers of PEDWARN and WARNING.
1596 Have -Werror make pedantic warnings errors, like the
1599 2001-01-23 Phil Edwards <pme@sources.redhat.com>
1601 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
1603 2001-01-23 Jakub Jelinek <jakub@redhat.com>
1605 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
1606 * integrate.c (expand_inline_function): Initialize them.
1607 (subst_constants): If changing COMPARE so that both its arguments
1608 will be VOIDmode and the comparison mode will be lost, note
1609 compare_mode. Use the recorded compare_mode to optimize
1612 2001-01-23 Jason Merrill <jason@redhat.com>
1614 * dwarf2out.c (new_die): Use xcalloc.
1615 (output_die): Abort rather than emit a local reference to offset 0.
1617 2001-01-17 Andrew Haley <aph@redhat.com>
1619 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
1620 of a saved register; return NULL instead.
1621 (copy_reg): Take a pointer to a source register rather than a
1623 (next_stack_level): Remember the address in the stack frame of all
1625 Use the saved register pointer array as the source of the CFA.
1626 (throw_helper): Rewrite. Unwind once rather than twice and keep
1627 track of saved registers as we go.
1629 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1631 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
1632 * c4x.c (c4x_legitimize_reload_address): Remove.
1633 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
1634 reload address for ldp(k) insn.
1636 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
1638 * pa.md (return_internal): Add a USE of the PIC register to ensure
1639 it is restored after each call.
1640 (return expander): Corresponding changes.
1642 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1644 * rs6000.h (INIT_EXPANDERS): Delete.
1645 (RETURN_ADDR_RTX): Call rs6000_return_addr().
1646 * rs6000.c (rs6000_override_options): Call *_machine_status from
1648 (rs6000_init_expanders): ...instead of here. Delete.
1649 (rs6000_mark_machine_status): New function.
1650 (rs6000_init_machine_status): Use xcalloc.
1651 (rs6000_return_addr): Generate RTX for the return address.
1652 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
1653 (rs6000_stack_info): Use it.
1655 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
1657 * gthr-win32.h: Include errno.h to get a declaration for
1658 EINVAL and _mingw.h if the target is mingw32.
1660 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
1662 * cpp.texi: Correct typos.
1664 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1666 * explow.c (probe_stack_range): Ensure value passed to
1667 stack_check_libfunc is ptr_mode, not Pmode.
1669 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
1671 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
1672 case, don't use operand_subword to calculate a SUBREG that is
1675 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
1677 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1679 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
1680 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
1681 valid. If not replace it by equivalent insns.
1683 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1685 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
1686 contains SYMBOL_REF, LABEL_REF and CONST_INT.
1687 (c4x_U_constraint, symbolic_address_operand): Likewise.
1688 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
1690 (c4x_r11_set_p, c4x_check_laj_p): New functions.
1691 * c4x-protos.h (c4x_check_laj_p): Add prototype.
1692 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
1693 anulling slot because of silicon bug.
1694 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
1696 2001-01-22 Alan Modra <alan@linuxcare.com.au>
1698 * cppexp.c (parse_charconst): Change `mask' type to agree
1701 2001-01-21 Richard Henderson <rth@redhat.com>
1703 * config/i386/i386.c (ix86_asm_file_end): Disable putting
1704 pic_label_name in a linkonce section.
1706 2001-01-17 Philipp Thomas <pthomas@suse.de>
1708 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
1710 * configure: Regenerate.
1712 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
1714 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
1715 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
1717 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
1719 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
1720 If REVERSE nonzero then condition code in X must be reversed.
1721 (encode_section_info): Optimise if/else.
1722 (avr_function_value): Fix formatting.
1724 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
1725 (difficult_branch): Likewise.
1726 (rvbranch): Likewise.
1727 (difficult_rvbranch): Likewise.
1729 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
1731 * config/avr/libgcc.S: Fix comment.
1733 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
1735 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
1737 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
1739 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
1741 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
1743 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
1744 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
1745 * configure, config.in: Regenerate.
1746 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
1747 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
1748 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
1749 (doprint.o): New rule.
1751 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
1753 * c-typeck.c (digest_init): Handle boolean types as scalars.
1755 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1757 * stmt.c (expand_return): Don't return anything if size is zero.
1758 Delete redundant assignment to BYTES.
1759 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
1761 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
1763 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
1764 the same as the default library function names.
1765 * config/avr/avr.md: Document special characters after '%'.
1766 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
1767 knowing which of the call-used registers are really clobbered.
1768 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
1769 New. Both quotient and remainder from one libgcc.S call.
1770 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
1771 clobber as few registers as possible.
1772 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
1774 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
1776 * cppmacro.c (funlike_invocation_p): Don't move back up to the
1777 context of the top of the stack.
1779 2001-01-20 Jakub Jelinek <jakub@redhat.com>
1781 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
1782 (fixup_var_refs_insns): ...here.
1784 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
1786 * function.c (fixup_var_refs_insns): Break up into
1787 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
1788 [loop over entire insn list], and fixup_var_refs_insns_with_hash
1789 [loop over hash table entries].
1790 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
1791 fixup_var_refs_insns_with_hash, to match above changes.
1793 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
1795 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
1796 (libgcc.a): Likewise.
1797 (stmp-multilib): Likewise.
1798 (STAGE2_FLAGS_TO_PASS): Likewise.
1800 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
1802 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
1803 temporary if no_new_pseudos.
1805 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
1807 * cppinternals.texi: Update.
1809 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
1811 * arm.c (arm_init_builtins): Re-enable builtins.
1813 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1815 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
1816 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
1817 element to be null, and always expect an EXPR_LIST.
1818 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
1819 * sched-deps.c (sched_analyze_1): Likewise.
1820 * sched-rgn.c (check_live_1, update_live_1): Likewise.
1822 * regclass.c (max_set_parallel): New variable.
1823 (reg_scan): Take it into account in computation of max_parallel.
1824 (reg_scan_mark_refs, case SET): Compute it.
1826 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
1828 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
1829 * function.c (assign_parms): Use INTVAL for a CONST_INT.
1831 2001-01-19 Jason Merrill <jason@redhat.com>
1833 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
1834 for the abstract instance of an inline function.
1836 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
1837 J"orn Rennecke <amylaar@redhat.com>
1839 * reload1.c (move2add_note_store): Treat all registers directly or
1840 indirectly derived from a base register as members of the same set
1842 (reload_cse_move2add): Adjust accordingly. Take mode and offset
1843 of base register into account.
1845 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
1847 * alias.c (find_base_value): Recognize TRUNCATE.
1848 (record_set): In PLUS case, invalidate if other summand is also a
1851 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1853 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
1854 entry to be EXPR_LIST.
1855 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
1856 be an EXPR_LIST (but not null, which other code doesn't allow).
1857 (note_stores): Properly handle PARALLEL in SET.
1858 Recursively call for top-level PARALLEL.
1859 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
1860 * sched-rgn.c (check_live_1, update_live_1): Likewise.
1862 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
1864 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
1866 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
1867 not pfile->skipping (== 0).
1869 2001-01-17 Nick Clifton <nickc@redhat.com>
1871 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
1874 2001-01-17 Jim Wilson <wilson@redhat.com>
1876 * invoke.texi (IA-64 options): Improve.
1878 2001-01-17 Tom Tromey <tromey@redhat.com>
1880 * invoke.texi (Optimize Options): Use `{}' to around @samp
1883 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
1885 * invoke.texi (-fno-guess-branch-probability): New option.
1887 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1889 * combine.c (try_combine): Don't set i3_subst_into_i2 for
1890 case of making new double-word constant.
1891 Revert last change: instead just test i3_subst_into_i2.
1893 2001-01-17 Jakub Jelinek <jakub@redhat.com>
1895 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
1896 Use q constraints instead of r.
1898 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
1900 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
1901 (machine_function): Define.
1902 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
1903 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
1904 pa_free_machine_status): New functions.
1905 (override_options): Set {init,mark,free}_machine_status to above.
1906 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
1907 PIC_OFFSET_TABLE_REGNUM_SAVED.
1908 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
1909 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
1910 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
1911 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
1912 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
1914 2001-01-15 DJ Delorie <dj@redhat.com>
1916 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
1920 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1922 * flow.c (propagate_on_insn): Make trying to delete a prologue
1923 or epilogue insn an ICE, not a warning. Allow doing this if
1924 the current function returns with stack pointer depressed.
1926 * combine.c (try_combine): If i3_subst_into_i2, properly check for
1927 I3 having more than one SET.
1929 2001-01-16 Jim Wilson <wilson@redhat.com>
1931 * invoke.texi: Document IA-64 options.
1933 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
1934 (fixup_errata): Delete TARGET_A_STEP use.
1935 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
1936 (TARGET_SWITCHES): Delete -ma-step option.
1937 * config/ia64/ia64.md (all FP patterns): Delete %B0.
1938 (movqicc_astep, movqi_internal_astep, movhicc_astep,
1939 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
1940 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
1941 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
1942 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
1944 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
1945 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
1946 cmovsi_internal): Delete ! TARGET_A_STEP check.
1948 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1950 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
1951 possibility to report bugs via postal mail. Change a URL and
1952 merge in a nearly duplicate statement...
1953 (Bug Reporting): ...from here.
1954 (Service): Refer to the Bug Reporting section instead of
1956 (Contributing): Remove trivial explanations concerning snapshots.
1958 2001-01-16 Alan Modra <alan@linuxcare.com.au>
1960 * cppmain.c (general_init): Don't use ANSI prototype.
1962 2001-01-16 Tom Tromey <tromey@redhat.com>
1964 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
1966 2001-01-16 Richard Henderson <rth@redhat.com>
1968 * config/i386/i386.h: Fix comment typo.
1969 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
1970 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
1972 2001-01-16 Phil Edwards <pme@sources.redhat.com>
1974 * gcc.c: Revert previous -fsyntax-only-related change; move
1977 2001-01-16 Jakub Jelinek <jakub@redhat.com>
1979 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
1980 inmode after checking GET_CODE (op).
1982 2001-01-16 Richard Henderson <rth@redhat.com>
1984 * flow.c (struct propagate_block_info): Add mem_set_list_len.
1985 (MAX_MEM_SET_LIST_LEN): New.
1986 (propagate_one_insn): Update mem_set_list_len.
1987 (invalidate_mems_from_autoinc): Likewise.
1988 (invalidate_mems_from_set): Likewise.
1989 (mark_used_regs): Likewise.
1990 (init_propagate_block_info): Likewise. Stop collecting memories
1991 when we reach MAX_MEM_SET_LIST_LEN.
1992 (mark_set_1): Likewise.
1994 2001-01-16 Richard Henderson <rth@redhat.com>
1996 * unroll.c (precondition_loop_p): Fail if no iteration
1999 2001-01-16 Phil Edwards <pme@sources.redhat.com>
2001 * gcc.c: When -fsyntax-only is given, do not complain about
2004 2001-01-15 Richard Henderson <rth@redhat.com>
2006 * config/i386/i386.c (asm_output_function_prefix): Remove.
2007 (ix86_asm_file_end): New.
2008 (load_pic_register): Generate pic_label_name into a
2009 staticly allocated buffer.
2010 * config/i386/i386-protos.h: Update.
2011 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
2012 (ASM_FILE_END): New.
2013 * config/i386/i386afe.h: New file.
2014 * config.gcc (i?86-*-elf) [tm_file]: Use it.
2015 (i?86-*-{freebsd,linux*,moss*}): Likewise.
2016 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
2017 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
2018 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
2019 * config/i386/sco5.h (ASM_FILE_END): Likewise.
2020 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
2022 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
2024 * Makefile.in (install-man): Remove explicit dependency on
2027 * configure.in, configure: Revert previous patch requiring perl
2030 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
2032 * toplev.c (flag_guess_branch_prob): New.
2033 (f_options): Add guess-branch-probability option.
2034 (rest_of_decl_compilation): Only estimate branch probability if
2036 (main): set flag_guess_branch_prob.
2038 * flags.h (flag_guess_branch_prob): New.
2040 2001-01-15 DJ Delorie <dj@redhat.com>
2042 * gcc.texi (Makefile): Add documentation for Makefile targets.
2044 2001-01-15 Philip Blundell <philb@gnu.org>
2046 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
2048 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
2049 (is_pic): Delete declaration.
2050 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
2051 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
2052 * config/arm/arm.md (builtin_setjmp_receiver): New.
2054 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
2056 * arm.c (use_return_insn): Don't try to determine the function type
2057 until after reload has completed.
2058 (arm_output_epilogue): Don't adjust the sp value recovered from the
2060 (emit_multi_reg_push): Don't record dwarf information for the pc.
2061 * arm.md (eh_epilogue): The function type may have changed, so it
2062 needs to be recalculated.
2063 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
2064 unwind tables on arm/netbsd.
2066 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
2068 * arm.md (cbranchsi4): Correct calculation of branch ranges.
2069 (negated_cbranchsi4): Likewise.
2071 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
2073 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
2074 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
2075 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
2076 pass -mapcs-* options to assembler.
2077 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
2078 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
2079 (ASM_SPEC): Call subtarget_extra_asm_spec.
2081 2001-01-15 Andreas Jaeger <aj@suse.de>
2083 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
2085 (ix86_expand_builtin): Likewise.
2087 * gencodes.c (output_predicate_decls): Make i size_t to avoid
2088 warning about comparison between signed and unsigned.
2090 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
2092 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
2094 2001-01-14 Ralf Baechle <ralf@gnu.org>
2096 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
2097 SUBTARGET_CPP_SPEC apropriatly.
2099 2001-01-12 Mark Mitchell <mark@codesourcery.com>
2101 * varasm.c (make_decl_rtl): Fix typo in last change.
2103 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
2105 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
2106 linker supports the init_priority C++ attribute.
2107 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
2108 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
2109 linker does not support init_priority C++ attribute.
2111 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
2113 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
2115 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
2117 * c-parse.in (finish_parse): Add comment about cpp_destroy.
2118 * cp/lex.c (finish_parse): Similarly.
2119 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
2120 Return the number of errors encountered.
2121 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
2122 * cppmain.c (main): Don't call cpp_destroy.
2124 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
2126 * configure.in: Require at least perl 5.6.0 to regenerate
2128 * configure: Regenerate.
2130 2001-01-14 Richard Henderson <rth@redhat.com>
2132 * genrecog.c (DT_veclen_ge): New.
2133 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
2134 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
2135 (nodes_identical_1): Handle DT_veclen_ge.
2136 (write_cond, debug_decision_2): Likewise.
2138 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
2140 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
2142 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
2144 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
2146 * cppmain.c (do_preprocessing): New function; most of the old
2148 (main): Call it to do most of the work.
2149 (cb): Move from global scope to set_callbacks ().
2150 (setup_callbacks): Get the callback pointer.
2151 (general_init, printer_init): Clean up code and comments.
2153 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
2155 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
2158 2001-01-14 Kazu Hirata <kazu@hxi.com>
2160 * config/h8300/h8300.c (get_shift_alg): Update comments.
2162 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2164 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
2165 (alloc_page, ggc_alloc): Add casts to remove warnings.
2167 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
2169 * combine.c (simplify_comparison): Don't change `code' when
2170 can't reverse comparison.
2172 2001-01-14 Richard Henderson <rth@redhat.com>
2174 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
2175 update all call sites. Return true for all non-label constants.
2177 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
2179 * i386.c (ix86_expand_compare): Add bypass_test and second_test
2181 (ix86_expand_branch): Update.
2182 (ix86_expand_setcc): Update to handle multiple test conditions.
2183 (expand_int_movcc): Likewise.
2184 (expand_fp_movcc): Likewise.
2185 * i386-protos.h (ix86_expand_compare): New.
2186 * i386.md (andqi_?_slp, orqi_?_slp): New.
2187 (conditional trap expander): Update call to ix86_expand_compare.
2189 2001-01-14 Richard Henderson <rth@redhat.com>
2191 * config/vax/vax.md: Use nonimmediate_operand instead of
2192 general_operand in destinations.
2194 * config/vax/vax.md (indirect_jump): Use register_operand.
2196 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
2197 * config/vax/vax.md (call_pop): Turn into an expander.
2198 (call_value_pop): Likewise.
2199 (call, call_value): New.
2201 2001-01-14 Andreas Jaeger <aj@suse.de>
2203 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
2205 (ix86_fp_compare_mode): Add unused attribute.
2206 (ix86_expand_fp_movcc): Remove unused variable.
2207 (ix86_expand_builtin): Make fcode unsigned.
2209 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
2210 (expand_expr): Add cast to avoid signed warning.
2211 (store_field): Likewise.
2212 (store_constructor_field): Likewise.
2213 (store_constructor): Likewise.
2214 (store_expr): Likewise.
2215 (clear_storage): Likewise.
2216 (emit_group_store): Likewise.
2217 (emit_group_load): Likewise.
2219 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
2221 * c-common.c: Move format checking code to ...
2222 * c-format.c: ... here. New file. Reorder some functions and
2224 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
2226 * c-common.h (decl_handle_format_attribute,
2227 decl_handle_format_arg_attribute): Declare.
2228 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
2229 (c-common.o): Adjust dependencies.
2230 (c-format.o): New list of dependencies.
2232 2001-01-13 Jakub Jelinek <jakub@redhat.com>
2234 * unroll.c (loop_iterations): If we cannot prove iteration variable
2235 is set once in each iteration, punt.
2237 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
2239 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
2240 (*strlenhi): Remove clobber (which was buggy) of output address.
2242 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
2244 * Makefile.in (generated-manpages): Add gcc.1
2245 ($(srcdir)/gcc.1): New target.
2246 (maintainer-clean): Delete $(srcdir)/gcc.1.
2247 * gcc.texi: Add macros @gccoptlist and @gol.
2248 * invoke.texi: Include option summary in manpage. Mark up option
2249 summary with @gccoptlist and @gol. Use @r in one place where
2251 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
2252 * gcc.1: Generate from invoke.texi.
2254 2001-01-13 Richard Henderson <rth@redhat.com>
2256 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
2257 (struct page_entry): Add group member.
2258 (struct page_group): New.
2259 (struct globals): Add page_groups member.
2260 (alloc_anon): Only define for using mmap; remove valloc call.
2261 (page_group_index): New.
2262 (set_page_group_in_use): New.
2263 (clear_page_group_in_use): New.
2264 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
2265 (free_page, release_pages): Likewise.
2266 * configure.in (with-gc): Default to ggc-page always.
2268 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
2270 * reload1.c (replace_pseudos_in_call_usage): Use
2271 reg_equiv_constant and reg_equiv_address, and don't try
2272 regno_reg_rtx first.
2274 2001-01-13 Richard Henderson <rth@redhat.com>
2276 * ggc-page.c (alloc_page): Round up allocation size to one page.
2277 Set e->order on extra pages.
2279 2001-01-13 Richard Henderson <rth@redhat.com>
2281 * genrecog.c (nodes_identical): Expand commentary.
2282 (write_switch): Watch out for identical nodes.
2284 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2286 * cppfiles.c (_cpp_fake_include): New function.
2287 * cpphash.h (_cpp_fake_include): New.
2288 * cpplib.c (do_line): Call _cpp_fake_include when entering
2289 header files in preprocessed input.
2290 * cppmain.c (cb_pragma_implementation): Remove handling.
2291 (setup_callbacks): Don't register pragmas.
2293 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2295 * extend.texi: Udate for CPP.
2297 2001-01-13 Andreas Jaeger <aj@suse.de>
2299 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
2301 * regmove.c: Add prototype for replace_in_call_usage.
2303 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2305 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
2306 struct cpp_chunk, struct htab, struct toklist,
2307 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
2308 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
2309 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
2310 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
2311 (struct macro_args): Delete.
2312 * cpphash.h: See above.
2314 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2316 * cppmain.c (struct printer): Remove no_line_dirs.
2318 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
2319 : Use options rather than CPP_OPTION.
2320 (setup_callbacks): Use cb rather than pfile->cb.
2321 (main): No need to check for a buffer. Use cpp_errors.
2322 (printer_init): Don't set no_line_dirs.
2323 (maybe_print_line): Use options not no_line_dirs.
2324 (cb_file_change): Don't call print_line if -P.
2326 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2328 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
2330 * c-parse.in (finish_parse): Use cpp_errors.
2331 (__yylex): Use return value of cpp_pop_buffer.
2332 * cp/lex.c (finish_parse): Use cpp_errors.
2333 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
2335 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
2337 * README.AVR: URLs corrected.
2339 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2341 * c-decl.c (start_function): Don't warn if old prototype is builtin
2342 that's not in C's namespace.
2343 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
2344 (_bb): Add prototype for ctime.
2345 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
2347 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
2349 * i386.c (ix86_fp_comparison_arithmetics_cost,
2350 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
2351 ix86_fp_comparison_cost): New functions.
2352 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
2353 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
2354 two-branch sequences; make static.
2355 (ix86_use_fcomi_compare): Do decision according to the costs.
2356 (split_fp_branch): New.
2357 * i386.md (compare-and-branch patterns): Use split_fp_branch.
2358 * i386-protos.h (ix86_expand_fp_compare): Remove
2359 (ix86_split_fp_branch): Declare.
2361 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
2362 and ix86_comparison_operator.
2364 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
2367 * i386.c (put_condition_code): Output properly the unordered/ordered
2368 compares in fp case.
2369 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
2371 * tm.texi (REVERSE_CONDITION): Document.
2372 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
2373 in -ffast-math mode.
2374 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
2376 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
2378 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
2380 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
2383 * config/sh/sh.c (mova_p): Fix test for mova_const.
2385 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2387 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
2388 cpp_get_options rather than dereferencing pfile and using
2390 * scan-decls.c (scan_decls): Use return value of
2391 cpp_pop_buffer rather than CPP_BUFFER.
2393 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2395 * cppinit.c (cpp_handle_option): help_only is now part of the
2396 cpp_options structure.
2397 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
2398 cpp_set_callbacks): New functions.
2399 * cpplib.h (cpp_callbacks): Break out as a named structure.
2400 (cpp_options): Move help_only here from cpp_reader.
2401 (CPP_FATAL_ERRORS): Update to use cpp_errors.
2402 (cpp_errors, cpp_get_options, cpp_get_callbacks,
2403 cpp_set_callbacks): New prototypes.
2404 * cppmain.c (main): Update for help_only.
2406 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
2408 * Makefile.in (info, maintainer-clean, install-info, uninstall):
2409 Also build and remove and install and uninstall c-tree.info and
2411 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
2412 ($(srcdir)/cppinternals.info): New target.
2413 * c-tree.texi: Change file name used when makeinfo used without -o
2414 from ir.info to c-tree.info. Add info directory entry.
2415 * cppinternals.texi: Add info directory entry.
2416 * .cvsignore: Update.
2418 2001-01-12 Jakub Jelinek <jakub@redhat.com>
2420 * c-typeck.c (store_init_value): Don't require constant initializer
2421 elements with -pedantic -std=c99.
2422 (digest_init): Change error about non-constant initializer elements
2424 (constructor_range_end): Remove.
2425 (constructor_incremental, designator_depth,
2426 designator_errorneous): New variables.
2427 (struct constructor_stack): Remove range_end, add incremental.
2428 (struct constructor_range_stack, constructor_range_stack): New.
2429 (struct initializer_stack): Add constructor_range_stack.
2430 (finish_init): Set it.
2431 (start_init): Likewise. require_constant_elements for non-static
2432 trees only if not flag_isoc99.
2433 (really_start_incremental_init): Remove constructor_range_end, add
2434 constructor_incremental.
2435 (pop_init_level): Likewise.
2436 (push_init_level): Likewise. If implicit and the subobject had some
2437 value set already, preinitialize the level with it.
2438 Warn about missing braces only if not pushing due to designators.
2439 (set_designator, push_range_stack): New functions.
2440 (set_init_label): Use them.
2441 (set_init_index): Likewise. Remove constructor_range_end.
2442 Error if designator index is outside of array bounds.
2443 (add_pending_init): Compare values of purpose index trees, not the
2444 trees themselves. Allow overwriting of already initialized element.
2445 Issue a warning if it had side-effects.
2446 (set_nonincremental_init, set_nonincremental_init_from_string): New
2448 (pending_init_member): Rename to...
2449 (find_init_member): ...this function. Call set_nonincremental_init
2450 if necessary. Compare values of purpose index trees, not the trees
2451 themselves. Return the actual value, not just non-zero if something
2453 (output_init_element): Remove checks for duplicates.
2454 If field has zero size, only check the initializer for correctness.
2455 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
2456 if constructor_incremental is zero. Change error about initializers
2457 not computable at load time into pedwarn.
2458 (output_pending_init_elements): Compare bit positions, not
2459 FIELD_DECLs to take into account zero-sized fields.
2460 (process_init_element): Use constructor_range_stack to fill all
2461 ranges in the designator lists from current level up.
2462 * extend.texi: Update documentation for labeled elements.
2464 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
2466 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
2467 to function usage for arguments passed by reference. Optimize
2468 callee-copied arguments.
2469 * regmove.c (replace_in_call_usage): New function.
2470 (fixup_match_1): Call it.
2471 * cse.c (cse_insn): Canonicalize registers in function usage.
2472 * reload1.c (replace_pseudos_in_call_usage): New function.
2475 * Makefile.in: Reverted yesterday's wrong patch. Installed the
2478 2001-01-12 Jakub Jelinek <jakub@redhat.com>
2480 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
2483 2001-01-12 DJ Delorie <dj@redhat.com>
2485 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
2486 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
2489 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
2491 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
2492 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
2493 -std options alongside references to -ansi. Update some
2494 documentation for C99.
2495 * cpp.1: Regenerate.
2497 2001-01-12 Andreas Jaeger <aj@suse.de>
2499 * haifa-sched.c (restore_line_notes): Remove argument block B
2501 * sched-ebb.c (schedule_ebb): Change caller.
2502 * sched-rgn.c (schedule_region): Likewise.
2503 * sched-int.h (restore_line_notes): Adjust prototype.
2505 * loop.h: Remove wrong declaration of doloop_condition_get.
2507 2001-01-12 Phil Edwards <pme@sources.redhat.com>
2509 * extend.texi: Move C++-extension-related node from the C section
2510 into the C++ section.
2512 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
2514 * extend.texi: Refer to an array of pointers to functions instead
2515 of one of functions.
2517 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
2518 Jan Hubicka <jh@suse.cz>
2520 * combine.c (reversed_comparison): Fix typo in last patch.
2522 (combine_reversed_comparison_code): Make static to follow
2523 prototype declaration.
2525 2001-01-12 Phil Edwards <pme@sources.redhat.com>
2527 * install.texi: Remove misplaced duplicate entry.
2529 2001-01-11 Ulrich Drepper <drepper@redhat.com>
2531 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
2533 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
2535 * final.c: (leaf_function_p): Fix typo.
2537 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
2539 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
2540 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
2542 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
2543 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
2544 mmap_anon, and valloc is available.
2545 * ggc-page.c: Restructure ifdef logic to match new autoconf
2546 spec. Don't throw away the test page in init_ggc.
2548 * configure, config.in: Regenerate.
2550 2001-01-12 Michael Hayes <mhayes@redhat.com>
2552 * loop.h (total_biv_increment): Constify iv_class pointer.
2553 (struct induction): Replace `mem_mode' with `mem' rtx.
2554 * unroll.c (total_biv_increment): Constify iv_class pointer.
2555 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
2556 (find_mem_givs, combine_givs_p): Likewise.
2557 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
2559 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
2561 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
2563 (__gthread_getspecific): Ditto.
2565 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
2567 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
2568 put_condition_code): Convert fp comparison codes to integer
2570 (ix86_expand_fp_compare): Postnote the fp comparison code converison
2573 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
2574 * i386-protos.h (no_comparison_operator): Kill.
2576 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
2578 * combine.c (REVERSIBLE_CC_MODE): Remove.
2579 (reversible_comparison_p): Remove.
2580 (combine_reversed_comparison_code): New.
2581 (reversed_comparison): New.
2582 (combine_simplify_rtx): Use
2583 combine_reversed_comparison_code/reversed_comparison instead
2584 of reversible_comparison_p.
2585 (simplify_if_then_else): Likewise.
2586 (simplify_set): Likewise.
2587 (simplify_logical): Likewise.
2588 (if_then_else_cond): Likewise.
2589 (known_cond): Likewise.
2590 (simplify_comparison): Likewise.
2592 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
2594 * builtins.c (std_expand_builtin_va_start): Handle varargs when
2595 sizeof (int) is larger than sizeof(__word__).
2597 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
2599 * cppinit.c (do_includes): Fix typo.
2601 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2603 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
2604 in S_REGS does not occur because not all sources are possible
2605 when a S_REGS is a destination (sometimes needs a clobber).
2606 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
2607 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
2608 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
2609 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
2610 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
2611 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
2612 (lshrdi_const1, lshrsi3_const16): Likewise.
2613 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
2614 (*movhi_68hc12, *movqi_68hc12): Likewise.
2615 (movstrictqi): Make sure reloading in D_REGS as a destination
2618 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
2620 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
2622 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
2624 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
2625 -D, -U and -A, and don't initialize the builtins.
2626 (do_includes): Error if -include or -imacros with -fpreprocessed.
2627 * cppmain.c (cb_define, cb_undef): Unconditionally process
2629 * tradcpp.c (main): Fix typo.
2631 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
2633 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
2634 (read_name_map): Use IS_ABSOLUTE_PATH.
2635 * tradcpp.c (get_filename): Likewise.
2637 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2639 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
2640 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
2641 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
2642 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
2643 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
2644 (cmphi_z_used): Don't use '@' for the output.
2645 (tstqi_z_used): Likewise.
2646 (cmpqi_z_used): Likewise.
2647 (one_cmplsi2): Likewise.
2649 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
2651 * config/sh/sh.c (barrier_align): Recognize branch around far
2652 branch and redundant insn.
2654 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
2656 * invoke.texi: Restore documentation of the drivers' switches -MD
2659 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
2661 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
2663 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
2664 check-objc//%): Support parallel testing of multilibs.
2665 (TESTSUITEDIR): Set to testsuite by default, but override for
2667 (check-gcc, check-g++, check-g77, check-objc): Enter
2670 2001-01-11 Bernd Schmidt <bernds@redhat.com>
2672 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
2673 * sched-deps.c (deps_may_trap_p): Likewise.
2674 * basic-block.h: Remove a comment.
2675 * flow.c (PROP_POSTRELOAD): Remove.
2676 (update_life_info): Don't add it to prop_flags.
2677 (mark_set_1): Lose the code that was enabled by it.
2679 2001-01-11 Michael Hayes <mhayes@redhat.com>
2681 * flow.c (flow_call_edges_add): New.
2682 * basic_block.h (flow_call_edges_add): New.
2684 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
2686 * reload1.c (move2add_note_store): Update reg_set_luid even if
2687 base reg remains the same.
2689 2001-01-10 Nick Clifton <nickc@redhat.com>
2691 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
2692 machine_function structure to zero.
2693 Add prototypes for machine_status functions.
2695 2001-01-10 Mark Mitchell <mark@codesourcery.com>
2697 * c-common.h (CTI_VOID_LIST): Remove.
2698 (void_list_node): Likewise.
2699 * tree.h (TI_VOID_LIST_NODE): New enumeral.
2700 (void_list_node): New macro.
2701 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
2702 * config/i386/i386.c (ix86_init_builtins): Likewise.
2703 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
2705 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
2707 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
2708 * cppinit.c (cpp_start_read): Update comment, remove unneeded
2710 * tradcpp.c: Include mkdeps.h.
2711 (deps, print_deps_phony_targets, deps_append, output_deps,
2712 init_dependency_output, output_deps): New.
2713 (deps_buffer, deps_allocated_size, deps_size, deps_column,
2714 deps_output): Delete.
2715 (print_deps_missing_files): Rename deps_missing_files.
2716 (inhibit_output): Make global.
2717 (main): Delete inhibit_output, deps_stream, deps_target.
2718 Use mkdeps functionality in the same way as cpplib. Remove
2719 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
2720 -M and -MM. Remove old handling of deps via deps_out, and
2721 old reading of environment variables.
2722 (get_filename): Update to use deps_add_dep.
2724 2001-01-10 Mark Mitchell <mark@codesourcery.com>
2726 * output.h (make_function_rtl): Remove prototype.
2727 (make_decl_rtl): Likewise.
2728 * varasm.c (make_function_rtl): Remove.
2729 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
2730 than from a third parameter.
2731 * tree.h (make_decl_rtl): Remove last parameter.
2732 * c-decl.c (builtin_function): Remove last argument in call to
2733 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
2734 (start_function): Likewise.
2735 * except.c (call_get_eh_context): Likewise.
2736 * expr.c (emit_block_move): Likewise.
2737 (clear_storage): Likewise.
2738 * profile.c (output_func_start_profiler): Likewise.
2739 * toplev.c (rest_of_decl_compilation): Likewise.
2740 * objc/objc-act.c (create_builtin_decl): Likewise.
2741 (synth_module_prologue): Likewise.
2742 (generate_static_reference): Likewise.
2743 (build_selector_reference_decl): Likewise.
2744 (build_class_reference_decl): Likewise.
2745 (build_objc_string_decl): Likewise.
2746 (build_protocol_reference): Likewise.
2748 2001-01-10 Richard Henderson <rth@redhat.com>
2750 * hwint.h: Revert yesterday's change.
2752 2001-01-10 Nick Clifton <nickc@redhat.com>
2754 * function.h (save_machine_status): Delete.
2755 (restore_machine_status): Delete.
2756 Amend comment describing {init|mark|free}_machine_status.
2758 * function.c (save_machine_status): Delete.
2759 (restore_machine_status): Delete.
2760 Amend comment describing {init|mark|free}_machine_status.
2761 (push_function_context_to): Remove invocation of
2762 save_machine_status.
2763 (pop_function_context_from): Remove invocation of
2764 restore_machine_status.
2766 * emit-rtl.c (init_emit_once): Amend comment describing
2767 {init|mark|free}_machine_status.
2769 * tm.texi (Per-Function Data): New node. Describe the
2770 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
2773 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
2775 * cppinit.c (OPT_g): Remove.
2776 (cpp_handle_option): Update for removed -g3.
2777 (print_help): Update.
2778 * cpplib.h (struct cpp_options): Remove debug_output.
2779 * cppmain.c (setup_callbacks, cb_define): Update.
2780 * gcc.c (cpp_options): Translate -g3 to -dD.
2782 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
2784 * config/i960/i960.md: Change modifier to + on the zero_extract
2785 pattern after the (rotate -2 reg) canonicalization pattern.
2787 2001-01-10 Richard Henderson <rth@redhat.com>
2789 * config/alpha/alpha.c (alpha_free_machine_status): New.
2790 (override_options): Install it.
2791 (alpha_mark_machine_status): Verify machine non-null.
2792 * config/i386/i386.c (ix86_free_machine_status): New.
2793 (override_options): Install it.
2794 (ix86_init_machine_status): Use xcalloc.
2795 (ix86_mark_machine_status): Verify machine non-null.
2796 * config/ia64/ia64.c (ia64_free_machine_status): New.
2797 (ia64_override_options): Install it.
2798 (ia64_mark_machine_status): Verify machine non-null.
2800 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
2802 * function.c (instantiate_virtual_regs): Instantiate virtual
2803 registers found in CALL_INSN_FUNCTION_USAGE.
2805 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
2807 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
2808 equivalent to -ansi in disabling -Di386.
2810 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
2812 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
2814 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
2816 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
2818 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
2820 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
2822 * invoke.texi: Document that -fcond-mismatch isn't supported for
2825 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
2827 * gcc.texi: Define macro gcctabopt.
2828 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
2829 @command, @env and @option in some places where appropriate. Use
2830 @gcctabopt where appropriate. Put URLs and email addresses inside
2833 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
2835 * gcc.c (cpp_options): Set MD file name from output
2836 filename, if specified.
2837 (suffix_subst): New static variable.
2838 (do_spec): Clear it.
2839 (do_spec_1, case '.'): Handle new `%.suffix' spec.
2841 (give_switch): Handle suffix_subst.
2843 2001-01-10 Phil Edwards <pme@sources.redhat.com>
2845 * invoke.texi: Fix another typo.
2847 2001-01-10 Phil Edwards <pme@sources.redhat.com>
2849 * invoke.texi: Fix typo.
2851 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
2853 * c-lang.c (lang_hooks): Update.
2854 (lang_decode_option): Remove.
2855 (lang_init_options): Rename c_init_options.
2856 * toplev.c (main): Use lang_hooks for lang_init_options
2857 and lang_decode_option.
2858 * toplev.h (lang_hooks): Add 2 new hooks.
2859 * tree.h: Remove lang_init_options and lang_decode_option.
2860 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
2861 * cp/decl2.c: Similarly.
2862 * cp/lex.c (lang_init_options): Rename cxx_init_options.
2863 (lang_hooks): Update.
2864 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
2866 (lang_init_options): Rename ffe_init_options.
2867 (lang_hooks): Update.
2868 (lang_decode_option): Remove.
2869 * java/lang.c (lang_init_options): Rename java_init_options.
2870 (lang_decode_option): Rename java_decode_option.
2871 (lang_hooks): Update.
2872 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
2873 (lang_decode_option): Rename objc_decode_option.
2874 (lang_hooks): Update.
2876 2001-01-09 Nick Clifton <nickc@redhat.com>
2878 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
2879 (d30v_return_addr_rtx): Delete.
2880 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
2881 cfun->machine structure.
2882 (struct machine_function): Move to d30v.h
2883 (d30v_save_machine_status): Delete.
2884 (d30v_restore_machine_status): Delete.
2885 (d30v_init_machine_status): New Function.
2886 (d30v_mark_machine_status): New Function.
2887 (d30v_free_machine_status): New Function.
2888 (d30v_init_expanders): Use new functions.
2889 (d30v_return_addr): Use ra_rtx field in cfun->machine.
2890 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
2891 d30v_return_addr_rtx.
2893 * config/d30v/d30v.h (struct_machine): Move here.
2894 Add eh_epilogue_sp_ofs field.
2896 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
2897 field in cfun->machine structure.
2899 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
2901 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
2902 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
2903 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
2905 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
2907 * objc/lang-options.h: Remove bogus reference to
2910 2001-01-09 Kazu Hirata <kazu@hxi.com>
2912 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
2915 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
2917 * reload.c (find_reloads_address): Check for eliminable registers
2918 when substituting a constant expression for a pseudo.
2920 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
2922 * c-common.c (enum format_type): Add format_type_error.
2923 (decode_format_type): New function.
2924 (decl_attributes): Use it.
2925 (format_kind_info): Adjust comment.
2927 2001-01-09 David O'Brien <obrien@BSDi.com>
2929 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
2930 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
2932 * config/i386/gnu.h: Don't include required platform specific .h files,
2933 tm.h will do it instead.
2934 * config/i386/i386elf.h: Likewise.
2935 * config/i386/linux.h: Likewise.
2936 * config/i386/moss.h: Likewise.
2937 * config/mips/gnu.h: Likewise.
2939 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2941 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
2942 (rs6000-ibm-aix3.[01]*): Likewise.
2943 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
2944 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
2945 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
2946 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
2947 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
2948 (powerpc-*-eabiaix*): Likewise.
2949 (powerpc-*-eabisim*): Likewise.
2950 (powerpc-*-elf*): Likewise.
2951 (powerpc-*-eabi*): Likewise.
2952 (powerpc-*-rtems*): Likewise.
2953 (powerpc-*-linux*libc1): Likewise.
2954 (powerpc-*-linux*): Likewise.
2955 (powerpc-wrs-vxworks*): Likewise.
2956 (powerpcle-wrs-vxworks*): Likewise.
2957 (powerpcle-*-sysv*): Likewise.
2958 (powerpcle-*-elf*): Likewise.
2959 (powerpcle-*-eabisim*): Likewise.
2960 (powerpcle-*-eabi*): Likewise.
2961 (powerpcle-*-solaris2*): Likewise.
2962 * config/rs6000/aix31.h: Delete includes.
2963 * config/rs6000/aix3newas.h: Likewise.
2964 * config/rs6000/aix41.h: Likewise.
2965 * config/rs6000/aix43.h: Likewise.
2966 * config/rs6000/beos.h: Likewise.
2967 * config/rs6000/rtems.h: Likewise.
2968 * config/rs6000/sysv4.h: Likewise.
2970 2001-01-09 Kazu Hirata <kazu@hxi.com>
2972 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
2973 Change an argument mode of machine_mode to shift_mode of
2974 shift_mode. Remove an extra error check.
2975 (emit_a_shift): Adopt to the new calling prototype of
2977 (function_prologue): Fix code for a monitor
2978 function. Support H8/S.
2979 (function_epilogue): Do not output pop for a monitor function.
2981 2001-01-09 Nick Clifton <nickc@redhat.com>
2983 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
2984 (setup_incoming_varargs): Use sysv_varargs_p field of the
2985 cfun->machine structure.
2986 (struct machine_function): Move to rs6000.h
2987 (rs6000_save_machine_status): Delete.
2988 (rs6000_restore_machine_status): Delete.
2989 (rs6000_init_machine_status): New Function.
2990 (rs6000_free_machine_status): New Function.
2991 (rs6000_init_expanders): Use new functions.
2993 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
2995 (struct machine_function): Move here.
2997 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
2998 sysv_varargs_p field of the cfun->machine structure.
3000 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
3002 (rs6000_restore_machine_status): Remove prototype.
3004 2001-01-09 Richard Henderson <rth@redhat.com>
3006 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
3007 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
3008 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
3009 (sched_analyze_2, sched_analyze_insn): Likewise.
3010 (sched_analyze, init_deps): Likewise.
3011 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
3012 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
3013 (compute_block_backward_dependences): Update propagate_deps call.
3015 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
3017 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
3019 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
3021 * cppinit.c (OPT_MD, OPT_MMD): Restore.
3022 (cpp_handle_option): Handle them.
3023 (cpp_post_options): Ensure one of -M or -MM is specified with
3024 any other -M? option.
3025 (init_dependency_output): Suppress output with -MG.
3027 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
3030 * invoke.texi: Update.
3032 2001-01-09 Bernd Schmidt <bernds@redhat.com>
3034 * sh.md (reload_outsf): Generate recognizable patterns for
3037 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
3039 * c-lang.c (lang_hooks): Update.
3040 (lang_init): Rename c_init.
3041 (lang_finish): Remove.
3042 * toplev.c (compile_file): Use lang_hooks for lang_init ()
3044 * toplev.h (lang_hooks): Add init () and finish ().
3045 * tree.h (lang_init, lang_finish): Remove.
3046 * cp/tree.h (lang_init, lang_finish): Remove.
3047 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
3048 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
3050 (lang_init, lang_finish): Remove.
3051 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
3052 (lang_hooks): Update.
3053 * java/lang.c (lang_init): Rename java_init.
3054 (lang_finish): Remove.
3055 (lang_hooks): Update.
3056 * objc/objc-act.c (lang_init): Rename objc_init.
3057 (lang_finish): Remove.
3058 (lang_hoooks): Update.
3060 20001-01-09 Graham Stott <grahams@redhat.com>
3062 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
3063 after `ptr` is initialised.
3065 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
3067 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
3068 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
3069 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
3070 stack adjusts, instead of r3.
3072 2001-01-09 Michael Hayes <mhayes@redhat.com>
3074 * flow.c (flow_loop_scan): Break out of ...
3075 (flow_loops_find) ... here.
3076 * basic-block.h (flow_loop_scan): New.
3077 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
3078 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
3080 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
3082 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
3084 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
3085 realloc()ing macro_buffer.
3087 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
3088 if it's wider than long and the target's long is wider than the
3091 2001-01-09 Mark Mitchell <mark@codesourcery.com>
3093 Remove support for using UWIN as a host machine.
3094 * configure.in: Issue an error message.
3095 * configure: Regenerated.
3096 * config.gcc: Remove xm_* UWIN configury.
3097 * config/i386/xm-uwin.h: Remove.
3099 2001-01-08 Nick Clifton <nickc@redhat.com>
3101 * config/v850/v850.c (ra_rtx): Delete.
3102 (v850_save_machine_status): Delete.
3103 (v850_restore_machine_status): Delete.
3104 (v850_init_machine_status): New function.
3105 (v850_mark_machine_status): New function.
3106 (v850_free_machine_status): New function.
3107 (v850_return_addr): Use ra_rtx field in machine structure.
3108 (v850_init_expanders): Use new functions.
3110 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
3111 * config/v850/v850.c: Change arguments to v850_output+* functions
3112 to take a const char *, to avoid compile time warning.
3113 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
3114 (USER_LABEL_PREFIX): Redefine.
3116 2000-01-08 Jim Wilson <wilson@redhat.com>
3118 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
3119 1 to unsigned HOST_WIDE_INT before left shift.
3121 2001-01-08 Nick Clifton <nickc@redhat.com>
3123 * config/arm/arm.c (arm_mark_machine_status): Check to see if
3124 the machine structure has been allocated.
3125 (arm_free_machine_status): New function: Free the machine
3126 specific function structure.
3128 2001-01-08 Richard Henderson <rth@redhat.com>
3130 * jump.c (simplejump_p): Revert last change.
3132 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
3134 * cppinit.c (init): Rename init_library.
3135 (cpp_create_reader): Update.
3136 * gcc.c (cpp_options): If -o given, use it as the target of
3139 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
3141 * arm.c (arm_arch5e): New variable.
3142 (all_cores): XScale is a 5TE device.
3143 (arm_override_options): Set arm_arch5e.
3144 (arm_init_builtins): __builtin_prefetch is in arch5e.
3145 * arm.h (arm_arch5e): Declare it.
3147 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
3149 * arm.md (define_constants): Add defines for UNSPEC and
3150 UNSPEC_VOLATILE insns. Update all users.
3151 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
3152 * arm.c (multi_register_push, note_invalid_constants)
3153 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
3154 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
3155 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
3157 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
3159 * jump.c (jump_optimize_1): Use reversed_comparison_code
3160 instead of can_reverse_comparison_p.
3161 (jump_back_p): Likewise.
3162 (invert_exp_1): Likewise.
3163 (thread_jumps): Likewise.
3164 * simplify-rtx.c (simplify_unary_operation): Likewise.
3165 (simplify_ternary_operation): Likewise.
3166 * cse.c (find_comparison_args): Convert to use
3167 can_reverse_comparison_p.
3168 (record_jump_equiv): Likewise.
3170 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
3172 * arm.h (HARD_REGNO_RENAME_OK): Delete.
3173 (EPILOGUE_USES): Define.
3174 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
3175 automatically stack the LR if it isn't live.
3177 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
3179 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
3182 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
3184 * ggc-page.c (max_alignment): New structure.
3185 (MAX_ALIGNMENT): New macro.
3186 (init_ggc): Use it to round up the sizes in the
3187 extra_order_size_table.
3189 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3191 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
3194 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3196 * builtins.def (BUILT_IN_FPRINTF): New entry.
3198 * c-common.c (c_expand_builtin_fprintf): New function.
3199 (init_function_format_info): Handle __builtin_fprintf.
3200 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
3201 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
3203 * c-decl.c (duplicate_decls): Adjust comment.
3205 * extend.texi (fprintf): Document new builtin.
3207 2001-01-07 Richard Henderson <rth@redhat.com>
3209 * jump.c (simplejump_p): Recognize any single_set jump
3212 2001-01-07 Richard Henderson <rth@redhat.com>
3214 * configure.in (slibdir): Accept an --with-slibdir option.
3215 Use "test" not "[" in configure. Default to $(libdir).
3217 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
3219 * config/t-aix43 (SHLIB_INSTALL): Likewise.
3220 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
3221 (SHLIB_LINK): Create links for the soname.
3222 * config/mips/t-iris6: Likewise.
3223 * config/sparc/t-slibgcc: Likewise.
3224 * config/sparc/t-slibgcc-sld: Likewise.
3226 2001-01-07 Jakub Jelinek <jakub@redhat.com>
3228 * config/i386/i386.c (constant_call_address_operand): Accept
3229 (const (plus (symbol_ref) (const_int))).
3230 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
3231 constant_call_address_operand.
3233 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3235 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
3236 and LONG_LONG_TYPE_SIZE > 32.
3238 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3240 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
3241 the previous change.
3243 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
3245 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
3247 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
3248 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
3249 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
3252 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
3254 * fix-header.c (read_scan_file): s/pfile/scan_in/.
3256 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
3258 * c-lang.c (c_post_options): Call cpp_post_options.
3259 * objc/objc-act.c (objc_post_options): Similarly.
3260 * cppmain.c (main): Similarly.
3261 * fix-header.c (read_scan_file): Similarly.
3262 * cppinit.c (cpp_start_read): Move option consistency checks
3263 to cpp_post_options. Don't call init_dependency_output.
3264 If needed, add default target and main file dependency.
3265 (OPT_MD, OPT_MMD): Remove.
3267 (cpp_handle_option): Update for OPT_* changes.
3268 (cpp_post_options): New.
3269 (init_dependency_output): Command line -MF overrides environment
3270 variables. Don't set default target etc. Suppress output
3271 if dependencies are going to stdout.
3272 (print_help): Update.
3273 * cpplib.h (cpp_post_options): New.
3274 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
3276 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
3278 * jump.c (comparison_dominates_p): Support unordered compares.
3280 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
3282 * simplify-rtx.c (simplify_relational_operation): Always simplify
3283 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
3286 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
3288 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
3289 (nonzero_bits): Likewise.
3290 (simplify_comparison): Likewise.
3291 (num_sign_bit_copies): Likewise; return more sane value depending
3292 on STORE_FLAG_VALUE.
3293 (known_cond): Do not assume EQ to be always true for equivalent
3296 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
3298 * cse.c (fold_rtx): Handle unordered comparisons.
3300 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
3302 * rtlanal.c (set_of_1): New static function.
3303 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
3304 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
3305 reg_set_last_last_regno): Remove.
3306 (set_of): New global function.
3307 (set_of_data): New structure.
3308 (reg_set_p, reg_set_last): Revamp for set_of.
3309 * rtl.h (set_of): New.
3311 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
3313 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
3314 * extend.texi: Document _Exit builtin.
3316 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
3318 * (initialize, initialize_builtins,
3319 initialize_dependency_output, initialize_standard_includes):
3320 Rename s/initialize/init. Update.
3321 (init_dependency_output): Move to after
3322 cpp_handle_options, the correct location temporally at least.
3323 (opt_comp): Move next to init (), its caller. Fix prototype.
3324 (init): Make "initialized" local scope.
3325 (cpp_create_reader): Always call init ().
3326 (cpp_start_read): Update.
3327 (output_deps): New function, broken out of cpp_finish.
3328 (cpp_finish): Break out output_deps.
3330 2001-01-07 Richard Henderson <rth@redhat.com>
3332 * collect2.c (COFF specific stuff): Revert 12-06 patch
3333 to prototype system functions.
3335 2001-01-07 Michael Hayes <mhayes@redhat.com>
3337 * hard-reg-set.h: Add multiple include guard.
3338 * basic-block.h (struct loop): Add `sink' field.
3339 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
3340 (emit_iv_add_mult): Delete.
3341 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
3342 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
3343 (unroll_loop): Remove end_insert_before argument.
3344 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
3345 (maybe_eliminate_biv_1): Likewise.
3346 (emit_iv_add_mult): Delete.
3347 (gen_add_mult, loop_regs_update): New.
3348 (loop_insn_emit_after, loop_insn_emit_before): New.
3349 (loop_insn_sink, loop_insn_sink_or_swim): New.
3350 (emit_iv_add_mult): Delete.
3351 (scan_loop): Set loop->sink.
3352 (loop_givs_reduce): Use loop_insn_sink and its ilk.
3353 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
3354 (maybe_eliminate_biv_1): Likewise.
3355 (maybe_eliminate_biv_1): Add basic block argument.
3356 * unroll.c (unroll_loop): Remove end_insert_before argument.
3357 (find_splittable_regs): Likewise.
3358 (find_splittable_regs): Use loop_insn_sink and its ilk.
3359 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
3361 2001-01-07 Michael Hayes <mhayes@redhat.com>
3363 * loop.h (loop_insn_hoist): New prototype.
3364 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
3365 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
3366 (check_dbra_loop, load_mems): Likewise.
3367 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
3368 (find_splittable_givs): Likewise.
3370 2001-01-07 Michael Hayes <mhayes@redhat.com>
3372 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
3374 2001-01-07 Richard Henderson <rth@redhat.com>
3376 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
3378 2001-01-07 Richard Henderson <rth@redhat.com>
3380 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
3381 NO_SHARED_LIBGCC_MULTILIB as required for the target.
3382 * gcc.c (init_spec): Massage the existing libgcc_spec into a
3383 variant that handles a shared libgcc.
3384 (process_command): Always validate -{static,shared}-libgcc.
3385 (do_spec_1): New 'M' case.
3386 * invoke.text (Link Options): Document -{static,shared}-libgcc.
3388 2001-01-07 Richard Henderson <rth@redhat.com>
3390 * Makefile.in (slibdir): New variable.
3391 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
3392 (installdirs): Create slibdir.
3393 (install-libgcc, install-multilib): Defer to libgcc.mk.
3394 * configure.in (slibdir): Substitute.
3395 * mklibgcc.in (install): New target.
3397 * config/t-linux (SHLIB_LINK): Create links for the soname.
3398 (SHLIB_INSTALL): New.
3399 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
3400 * config/mips/t-iris6 (SHLIB_INSTALL): New.
3401 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
3402 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
3403 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
3405 2001-01-07 Richard Henderson <rth@redhat.com>
3407 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
3408 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
3409 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
3411 2001-01-07 Michael Hayes <mhayes@redhat.com>
3413 * loop.c (count_loop_regs_set): Delete.
3414 (load_mems_and_recount_loop_regs_set): Delete.
3415 (loop_regs_scan): Merge common code from count_loop_regs_set,
3416 scan_loop, and load_mems_and_recount_loop_regs_set.
3417 (scan_loop): Call load_mems directly and loop_regs_scan
3418 again if new registers created.
3420 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
3422 * toplev.c (main): Call the front-end specific post_options
3423 hook if one is given.
3424 * toplev.h (struct_lang_hooks, lang_hooks): New.
3425 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
3426 for the C front end.
3427 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
3428 lang_hooks for the C++ front end.
3429 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
3430 lang_hooks for the ObjC front end.
3431 * f/com.c (lang_hooks): Hooks for the Fortran front end.
3432 * java/lang.c (lang_hooks): Hooks for the Java front end.
3434 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
3436 * c-lex.c (init_c_lex): Request #define / #undef callbacks
3437 for verbose DWARF[2] debugging.
3438 (cb_define, cb_undef): The new callbacks.
3439 * toplev.h (debug_define, debug_undef): Make const correct.
3440 * toplev.c (debug_define, debug_undef): Similarly. Do not
3441 perform the verbosity tests here anymore.
3443 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
3445 * reload.c (subst_reloads): Take INSN argument. When
3446 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
3447 * reload.h (subst_reloads): Adjust prototype.
3448 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
3449 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
3450 present in JUMP_INSNs and copy them to JUMP_LABEL.
3451 * flow.c (find_label_refs, find_basic_blocks_1): Skip
3452 JUMP_INSNs and insns with REG_LABELs that are followed by
3453 JUMP_INSNs with the same REG_LABEL.
3454 * sched-rgn.c (is_cfg_nonregular): Likewise.
3455 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
3457 * unroll.c (unroll_loop): Look for REG_LABEL notes in
3459 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
3461 2001-01-06 Richard Henderson <rth@redhat.com>
3463 * loop.c (scan_loop): Use xcalloc for the regs array.
3464 (load_mems_and_recount_loop_regs_set): Zero the new memory
3465 received from xrealloc.
3467 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
3469 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
3471 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
3473 * integrate.c (copy_rtx_and_substitute): When copying
3474 an ignored return value, strip REG_FUNCTION_VALUE_P.
3476 2001-01-06 Michael Hayes <mhayes@redhat.com>
3478 * loop.c (debug_biv, debug_giv): New.
3479 (loop_biv_dump): Break out from ...
3480 (record_biv): ... here.
3481 (loop_giv_dump): Break out from ...
3482 (record_giv): ... here.
3483 (loop_bivs_check): Use print_simple_rtl.
3484 * unroll.c (loop_iterations): Use print_simple_rtl.
3486 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
3488 * pa.md (return, return_internal): Modify patterns to prevent regrename
3489 mucking with the return pointer.
3491 2001-01-05 Richard Henderson <rth@redhat.com>
3493 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
3495 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
3497 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
3498 version supplied by Matteo Frigo.
3500 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
3502 * cpp.texi: Update for -MQ.
3503 * cppinit.c (cpp_create_reader): Always create pfile->deps.
3504 (cpp_cleanup): Always free pfile->deps.
3505 (initialize_dependency_output): Don't create pfile->deps.
3506 (cpp_handle_option): Similarly.
3508 * gcc.c (cpp_options): Handle -MQ.
3509 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
3510 * mkdeps.c (base_name): Remove.
3511 (deps_init): Don't allocate vector space until it's needed.
3512 (deps_free): Only free vectors if allocated.
3513 (deps_add_target, deps_add_dep): Update for initial allocation.
3514 (deps_add_default_target): Don't strip to the base_name.
3516 2001-01-05 DJ Delorie <dj@redhat.com>
3518 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
3519 (INIT_EXPANDERS): Define.
3521 * config/v850/v850.c (struct machine_function): Define.
3522 (v850_save_machine_status): New function.
3523 (v850_restore_machine_status): New function.
3524 (v850_return_addr): New function.
3525 (v850_init_expanders): New function.
3527 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
3528 and v850_init_expanders.
3530 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
3532 * cpplib.h (struct cpp_reader): Add help_only field.
3533 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
3534 (cpp_handle_option): Set pfile->help_only if we see -h,
3535 --help, -target-help, or --version. Print version string but
3536 do not set help_only if we see -v or -version. Make text
3537 printed by -v match that printed by (-)-version.
3539 * cppmain.c (main): Exit after option parsing if
3540 pfile->help_only is true.
3542 * toplev.c (independent_decode_option): Call print_version,
3543 then exit, if we see --version (but not -version).
3544 (print_version): Split lengthy message into two lines.
3546 2001-01-05 Nick Clifton <nickc@redhat.com>
3548 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
3549 temporary string for initialisation before calling ggc_alloc_string.
3551 2001-01-06 Michael Hayes <mhayes@redhat.com>
3553 * rtl.h (print_simple_rtl): New.
3554 * print-rtl.c (print_simple_rtl): New.
3556 (print_rtx): Disable printing of flags and modes, etc.,
3557 if `flag_simple` nonzero.
3559 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
3561 * function.c (fixup_var_refs): Use push_to_full_sequence where
3564 2001-01-05 Michael Meissner <meissner@redhat.com>
3566 * flags.h (flag_reorder_blocks): Add declaration.
3567 (flag_rename_block): Ditto.
3569 2001-01-05 DJ Delorie <dj@redhat.com>
3571 * function.c (reorder_blocks): Make sure the flags are all reset
3572 before using them to mark blocks, else a second invocation will
3573 corrupt the block chain.
3574 (reorder_blocks_0): New, resets the flags.
3576 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
3578 * cse.c (find_comparison_args): Stop if the argument is known to
3581 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
3583 * config/sh/sh.md (movdf): When splitting load into pair of
3584 registers, don't clobber the register used in the address too
3587 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
3589 * varasm.c (mark_constant_pool): Improve initial comments.
3590 (mark_constants): Move marking of constants to mark_constant.
3591 (mark_constant): New function to recursively mark all constants
3592 referred to by a constant.
3594 2001-01-05 Catherine Moore <clm@redhat.com>
3596 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
3598 2001-01-05 Phil Edwards <pme@sources.redhat.com>
3600 * cp/lang-options.h: Bring comment in line with reality.
3601 * f/lang-options.h: Likewise.
3602 * java/lang-options.h: Likewise.
3603 * objc/lang-options.h: Likewise.
3604 * ch/lang-options.h: Likewise.
3605 * f/g77.texi: And update the manual.
3607 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
3608 Denis Chertykov <denisc@overta.ru>
3610 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
3611 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
3612 * config/avr/avr.md (all peepholes that request a scratch register):
3613 Call it, FAIL the peephole if not safe (in interrupt functions).
3615 2001-01-05 Mark Mitchell <mark@codesourcery.com>
3617 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
3619 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
3621 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
3623 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
3624 BUILT_IN_CREAL and BUILT_IN_CIMAG.
3625 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
3626 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
3627 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
3629 * extend.texi: Document these builtins.
3631 2001-01-05 Daniel Berlin <dberlin@redhat.com>
3633 * c-common.c (lang_get_alias_set): Say we know nothing of
3634 VECTOR_TYPE aliasing.
3636 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
3638 2001-01-05 Bruce Korb <bkorb@gnu.org>
3640 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
3641 their x* equivalent versions for atexit-less systems
3642 * fixinc/fixincl.c(main): do not return from main() on atexit-less
3643 systems (or any other system any more).
3645 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
3647 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
3648 output operands. Use arm_hard_register_operand for operand 4.
3649 (stmsi_postinc): Similarly.
3650 (ldmsi): Use arm_hard_register_operand for opernand 2.
3652 * arm.c (arm_hard_register_operand): New function.
3653 * arm-protos.h (arm_hard_register_operand): Prototype it.
3655 * arm.h (HARD_REGNO_RENAME_OK): Define.
3657 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
3659 * simplify-rtx.c (cfc_args): add "unordered" field.
3660 (check_fold_consts): Set unordered field.
3661 (simplify_relational_operation): Simplify the unordered
3664 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
3667 * emit-rtl.c (try_split): Fix code to mark labels.
3668 * jump.c (mark_jump_label): Make global.
3669 * rtl.h (mark_jump_label): Declare.
3671 * predict.c (estimate_probability): Handle unordred comparisons.
3673 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
3675 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
3676 * cppinit.c (initialize_dependency_output): Update.
3677 (cpp_finish): Output dummy targets for -MP.
3679 (cpp_handle_option): Handle -MP. Don't quote -MT options.
3680 * cpplib.h (struct cpp_options): Add deps_phony_targets.
3681 * gcc.c (cpp_options): Update to handle -MP.
3682 * mkdeps.c (deps_add_target, deps_add_default_target): Update
3683 to quote only the default target.
3684 (deps_phony_targets): Insert a preceding newline. Rename from
3685 deps_dummy_targets for consistency.
3688 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
3690 * calls.c (emit_library_call_value_1): Support
3691 INIT_CUMULATIVE_LIBCALL_ARGS.
3692 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
3694 2001-01-04 Richard Henderson <rth@redhat.com>
3696 * c-decl.c (finish_struct): Detect flexible array members
3697 used in an inappropriate context.
3698 * c-typeck.c (really_start_incremental_init): Special case
3699 constructor_max_index for zero length arrays.
3700 (pop_init_level): Allow initialization of flexible array
3701 members. Deprecate initialization of zero length arrays.
3702 Don't issue missing initializer warning for flexible array
3703 members or zero length arrays.
3704 (process_init_element): Don't dereference null DECL_SIZE.
3705 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
3706 Don't abort for empty constructors. Use size_binop
3707 (output_constructor): Add commentary regarding zero length
3708 array futures. Abort if we try to initialize an array of
3709 unspecified length with a non-empty constructor in the middle
3712 * extend.texi (Zero Length): Update and clarify documentation
3713 on static initialization.
3715 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3717 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
3718 with more than 32767 words of local storage.
3720 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3722 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
3723 for 'abs', 'labs', and 'fabs'.
3724 (c4x_expand_builtin): Likewise.
3725 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
3727 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
3729 * config/sh/sh.md (prget, prset): New insn types.
3730 (return delay slot): Dont' allow prset.
3731 (call, sfunc delay slot): Don't allow prget.
3732 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
3733 for prset and prget.
3735 2001-01-05 Michael Hayes <mhayes@redhat.com>
3737 * loop.h (struct loop_reg): New.
3738 (struct loop_regs): Change to use array of `struct loop_reg'.
3739 * loop.c: Replace assortment of varrays with single regs array.
3740 (count_one_set): Delete may_not_move array argument
3741 and use regs array instead. All caller's changed.
3742 (count_loop_regs_set): Delete may_not_move and single_usage
3743 arguments and use regs array instead. All caller's changed.
3744 (find_single_use_in_loop): Replace usage array argument with pointer
3745 to regs structure. All caller's changed.
3746 (loop_optimize): Delete `moved_once' array.
3748 2001-01-05 Michael Hayes <mhayes@redhat.com>
3750 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
3751 Use it instead of loop_info->has_call for scanning loop mems.
3752 (check_dbra_loop): Replace loop_info->has_call test with
3753 loop_info->has_nonconst_call.
3755 2000-01-04 Matthew Hiller <hiller@redhat.com>
3757 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
3760 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
3762 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
3763 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
3765 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
3767 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
3768 (flag_short_double, flag_short_wchar): Define.
3769 (c_common_nodes_and_builtins): Create many tree nodes shared
3770 between C and C++ here instead of in cp/decl.c and ...
3771 * c-decl.c (init_decl_processing): ... here.
3772 (SIZE_TYPE, WCHAR_TYPE): Don't define.
3773 (flag_short_double, flag_short_wchar): Don't define.
3774 (record_builtin_type): New function.
3775 (build_void_list_node): New function.
3776 * c-common.h (flag_short_double, flag_short_wchar,
3777 record_builtin_type, build_void_list_node): Declare.
3779 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
3781 * integrate.c (expand_inline_function): Don't put a virtual
3782 register into the reg map.
3784 * function.c (fixup_var_refs_1): If force_operand didn't put
3785 the address into the target, move it there.
3787 2001-01-04 Mark Mitchell <mark@codesourcery.com>
3789 Special-case tree_decl/tree_list allocations.
3790 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
3791 (OBJECT_SIZE): New macro.
3792 (NUM_EXTRA_ORDER): Likewise.
3793 (extra_order_size_table): New variable.
3794 (NUM_ORDERS): New macro.
3795 (objects_per_page_table): New variable.
3796 (object_size_table): New variable.
3797 (G.pages): Use NUM_ORDERS to bound the array.
3798 (G.page_tails): Likewise.
3799 (DIV_ROUND_UP): Remove.
3800 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
3801 (alloc_page): Use OBJECT_SIZE.
3802 (size_lookup): Don't make it const.
3803 (ggc_alloc): Use OBJECT_SIZE.
3804 (ggc_set_mark): Likewise.
3805 (ggc_get_size): Likewise.
3806 (init_ggc): Set up the object_size_table, objects_per_page_table,
3807 and adjust size_lookup.
3808 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
3809 (ggc_pop_context): Use NUM_ORDERS.
3810 (clear_marks): Likewise.
3811 (sweep_pages): Likewise.
3812 (poison_pages): Likewise.
3813 (ggc_print_statistics): Use OBJECT_SIZE.
3815 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3817 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
3818 Only call array_size_for_constructor if last field and array type
3819 with no upper bound.
3821 2001-01-04 Philip Blundell <philb@gnu.org>
3823 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
3824 from bit 31 downwards, if this requires no more insns.
3825 (count_insns_for_constant): New helper function for above.
3827 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
3829 * gencodes.c (output_predicate_decls): Remove empty initializer.
3831 2001-01-04 Mark Mitchell <mark@codesourcery.com>
3833 * tree.c (copy_node): Remove documentation about obstacks.
3834 (buidl1): Check that nobody tries to build 2-argument nodes this
3837 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3839 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
3842 * gencodes.c (output_predicate_decls): Fill empty initializer
3845 2001-01-04 Jakub Jelinek <jakub@redhat.com>
3847 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
3848 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
3850 (do_include): Handle missing headers like cpp0.
3851 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
3852 paths with first include pathname. Don't strcat to uninitialized
3855 2001-01-04 Bernd Schmidt <bernds@redhat.com>
3857 * regrename.c (regrename_optimize): Don't rename from frame pointer
3858 if frame_pointer_needed.
3859 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
3860 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
3861 (ia64_reorg): Use it instead of scheduling if ! optimize.
3862 (errata_emit_nops): Properly call asm_noperands.
3863 (ia64_sched_reorder): Finish cycle if we see an asm.
3864 (ia64_variable_issue): Clear scheduling state after asms.
3866 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
3868 * cpp.texi: Update for -MT.
3869 * cppinit.c (initialize_dependency_output): Add a default
3870 target if none has been given already.
3871 (no_tgt, OPT_MT): New.
3872 (cpp_handle_option): Handle -MT. Update -M etc.
3873 * cpplib.h (struct cpp_options): Remove deps_target.
3874 * gcc.c (cpp_options): Handle -MT.
3875 * mkdeps.c (struct deps): Move from mkdeps.h.
3876 (deps_calc_target): Rename deps_add_default_target. Add a
3877 default target if none has been specified already.
3878 * mkdeps.h (struct deps): Move to mkdeps.c.
3879 (deps_calc_target): Rename deps_add_default_target.
3881 2000-01-03 Richard Henderson <rth@redhat.com>
3883 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
3885 * c-typeck.c (push_init_level): Move checks for flexible array
3886 members and zero length arrays ...
3887 (pop_init_level): ... here. Silently discard empty initializations.
3889 * varasm.c (output_constructor): Update for sizeof change to
3892 * extend.texi (Zero Length): Clarify semantics.
3894 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
3896 * configure.in (tm.h): Include isns-codes.h last.
3897 * configure: Rebuilt.
3899 2001-01-03 Richard Henderson <rth@redhat.com>
3901 * config/alpha/alpha.md (addvsi3, addvdi3): New.
3902 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
3904 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3906 * tradcpp.c (main): Make sure finclude() is called with a valid
3907 indepth value while handling -include.
3909 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
3911 * gencodes.c (output_predicate_decls): New function.
3913 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
3914 even if it is not the first time machmode.h is #included.
3915 * config/sh/sh.c (fpul_operand): Declare MODE argument.
3916 * tm.texi (PREDICATE_CODES): Document predicate declarations.
3917 * gcc.texi (Copyright): Added 2001.
3919 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
3921 * c-common.c (c_common_lang_init): New function. Warn if format
3922 warning options which only have effects when used with -Wformat
3923 are used without -Wformat.
3924 * c-common.h (c_common_lang_init): Declare.
3925 * c-lang.c (lang_init): Call c_common_lang_init.
3926 * objc/objc-act.c (lang_init): Call c_common_lang_init.
3928 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
3930 * configure.in: Check for the mktemp command.
3931 * configure: Regenerate.
3932 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
3933 $TEMP. Create temporary files with mktemp, if available at
3934 configure time; otherwise use set -C. Remove temporary files
3937 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
3939 * configure.in: Require at least texinfo 4.0. Check for whether
3940 Pod::Man is sufficiently recent to regenerate GCC manpages.
3941 * configure: Regenerate.
3942 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
3944 (GENERATED_MANPAGES): Define.
3945 (generated-manpages): New target. Depend on cpp.1 as well as
3947 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
3948 configure to generated-manpages or empty) rather than on the
3949 manpages directly. Remove execute permission from installed
3950 gcov.1 as well as cpp.1.
3951 * cpp.1, gcov.1: Regenerate.
3953 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3955 * builtins.c (expand_builtin_strncmp): Use host_integerp and
3956 tree_low_cst. Allow using cmpstrsi in more cases.
3958 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3960 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
3963 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
3965 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
3966 * Makefile.in (HOST_CFLAGS): Mention build-make.
3968 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3970 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
3973 2001-01-01 Bernd Schmidt <bernds@redhat.com>
3975 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
3978 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
3981 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
3982 reg_base_value and reg_known_value arrays.
3983 (init_alias_analysis): Add more cases to detect known values.
3984 * sched-deps.c (deps_may_trap_p): New function.
3985 (sched_analyze_2): Use it.
3987 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
3989 * combine.c (simplify_shift_const): Even if we're sign-extracting,
3990 don't discard an ASHIFTRT if we're shifting in a wider mode.
3992 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
3994 * toplev.c (rest_of_compilation): Don't print basic block information
3995 when CFG isn't up to date.
3997 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
3999 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
4000 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
4001 (UNALIGNED_SHORT_ASM_OP): Define.
4002 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
4004 2001-01-02 Mark Mitchell <mark@codesourcery.com>
4006 * fold-const.c (fold_convert): Fix typo.
4008 2001-01-02 Richard Henderson <rth@redhat.com>
4010 * c-common.h (ASM_INPUT_P): New.
4011 * c-parse.in (asm): Set it when needed.
4012 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
4013 existance of an operand.
4015 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
4017 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
4018 (dwarf2out_frame_debug_expr): Likewise.
4019 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
4021 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
4023 * i386.c (ix86_split_to_parts): Return number of part required;
4025 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
4027 (ix86_split_long_move): Use number of part returned
4028 by ix86_split_to_parts
4029 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
4031 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
4032 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
4033 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
4034 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
4035 (ALIGN_MODE_128): Add TFmode.
4036 (IS_STACK_MODE): Likewise.
4037 (HARD_REGNO_NREGS): TFmode needs 3 registers.
4038 (HARD_REGNO_OK): Support TFmodes.
4039 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
4040 * i386.md (scheduler definitions): Use memory operand to determine
4041 fst/fld instructions; use mode attribute to determine real mode of
4043 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
4044 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
4046 2001-01-02 Mark Mitchell <mark@codesourcery.com>
4048 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
4050 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
4052 * expr.c (store_constructor_field): Update ALIGN before calling
4055 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
4057 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
4060 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
4062 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
4065 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
4067 * c-decl.c (start_function): Don't warn on third parameter to main.
4069 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4071 * tsystem.h: Define HAVE_DECL_GETOPT.
4073 2001-01-02 Philip Blundell <pb@futuretv.com>
4075 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
4078 2001-01-02 Richard Henderson <rth@redhat.com>
4080 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
4082 2001-01-02 Andreas Jaeger <aj@suse.de>
4084 * c-decl.c (c_decode_option): Remove support of
4087 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
4088 (W_options): Add -Wmissing-noreturn here.
4090 * flow.c: Define lang_missing_noreturn_ok_p.
4091 (check_function_return_warnings): Use it.
4093 * c-common.h: Declare lang_missing_noreturn_ok_p.
4095 * c-lang.c (c_missing_noreturn_ok_p): New function.
4096 (lang_init): Set lang_missing_noreturn_ok_p.
4098 * invoke.texi (Warning Options): Document this.
4100 2000-12-27 Phil Edwards <pme@sources.redhat.com>
4102 * extend.texi (C++ Extensions): New node for C++ attributes;
4103 describe init_priority and com_interface.
4104 * invoke.texi: Remove -finit-priority as it now has zero effect.
4105 * install.texi: Fix xref syntax.
4106 * md.texi: Likewise.
4108 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4110 * config.gcc (sparc64-wrs-vxworks*): New case.
4111 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
4113 * config/sparc/sparc.c (sparc_override_options): Do support different
4114 pointer and architecture size.
4115 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
4116 (POINTERS_EXTEND_UNSIGNED): Define.
4117 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
4118 (FUNCTION_MODE): Define to be Pmode.
4119 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
4121 * function.c (expand_function_end): Properly handle DECL_RESULT
4122 and copy when ptr_mode != Pmode.
4123 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
4125 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4127 * c-common.c (c_common_nodes_and_builtins): Set prototype
4128 parameters for __builtin_fputs, __builtin_fputc and
4129 __builtin_fwrite. Don't declare plain fputc as a builtin.
4131 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
4133 * loop.c (add_label_notes): Increment the label usage count when
4134 a note is added to an insn which refers to a CODE_LABEL.
4135 * gcse.c (add_label_notes): Likewise.
4137 2001-01-01 Andreas Jaeger <aj@suse.de>
4139 * loop.c (scan_loop): Use xmalloc to allocate movables.
4141 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
4143 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
4144 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
4145 * reload1.c (REGISTER_MOVE_COST): Likewise.
4146 * regclass.c (REGISTER_MOVE_COST): Likewise.
4147 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
4148 dimension. Adjust all users.
4149 (init_reg_sets_1): Iterate on all modes.
4150 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
4151 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
4152 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
4153 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
4154 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
4155 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
4156 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
4157 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
4158 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
4159 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
4160 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
4161 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
4162 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
4163 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
4164 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
4165 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
4166 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
4167 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
4168 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
4169 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
4170 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
4171 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
4172 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
4173 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
4174 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
4175 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
4176 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
4178 2001-01-01 Bernd Schmidt <bernds@redhat.com>
4180 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
4181 arg VARIES_P. Call it with extra arg.
4182 (true_dependence): Likewise.
4183 * rtl.h (rtx_addr_can_trap_p): Declare.
4184 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
4186 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
4187 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
4188 pic offset table register if it's zero. All callers changed.
4189 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
4191 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4193 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
4194 STRING_POOL_ADDRESS_P.
4196 * config/sparc/sparc.c (input_operand): Properly test for short op.
4198 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
4199 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
4200 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
4201 * config/sparc/elf.h: No longer include sol2.h.
4202 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
4203 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
4205 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
4207 2001-01-01 Michael Hayes <mhayes@redhat.com>
4209 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
4210 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
4211 (record_initial): Likewise.
4212 * unroll.c (copy_loop_body, loop_iterations): Likewise.
4213 (remap_split_bivs): Likewise.
4215 2001-01-01 Michael Hayes <mhayes@redhat.com>
4217 * loop.c (loop_ivs_free): New function.
4218 (strength_reduce): Break out from...
4220 2001-01-01 Michael Hayes <mhayes@redhat.com>
4222 * loop.h (struct iv): New.
4223 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
4224 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
4225 'reg_biv_class' fields with 'regs' and 'n_regs'.
4226 (struct ivs): Rename 'loop_iv_list' field to 'list'.
4227 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
4228 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
4230 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
4232 * resource.c (mark_referenced_resources): Abort() before
4233 attempting to mark a pseudo register.
4234 (mark_set_resources): Likewise.
4236 2001-01-01 Michael Hayes <mhayes@redhat.com>
4238 * loop.h (REG_IV_CLASS): New accessor macro.
4239 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
4240 * unroll.c (REG_IV_CLASS): Likewise.
4242 See ChangeLog.4 for earlier changes.