1 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3 * cse.c (new_label_ref): New variable.
4 (insert): Set it instead of recorded_label_ref.
5 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
6 CODE_LABEL for this function, and not already in REG_LABEL note.
8 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
10 * resource.c (mark_referenced_resources): Fix typo in introductory
12 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
15 2001-02-16 Jason Merrill <jason@redhat.com>
17 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
19 (gen_subprogram_die): Don't abort on seeing a second definition if
20 the previous one was abstract. Don't replace an abstract instance
23 * dwarf2out.c (dwarf2out_abstract_function): Rename from
24 gen_abstract_function.
25 * dwarf2out.h: Declare it.
26 * toplev.c (note_outlining_of_inline_function): New fn.
27 * toplev.h: Declare it.
28 * integrate.c (output_inline_function): Call it.
29 * c-decl.c (duplicate_decls): Call it when redefining an extern
30 inline. Don't inline the new defn.
32 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
34 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
36 * .gdbinit: Rename to gdbinit.in.
37 * gdbinit.in: New file,
38 * configure.in: Generate .gdbinit from gdbinit.in.
39 * configure: Regenerated.
40 * Makefile.in (distclean): Always remove .gdbinit.
42 2001-02-16 Jakub Jelinek <jakub@redhat.com>
44 * objc/objc-act.c (start_class): Register implemented_classes with
47 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
49 * cppfiles.c (_cpp_make_system_header): Generate a file
52 2001-02-15 Jim Meyering <meyering@lucent.com>
54 * Makefile.in (install-common): Don't depend on installdirs here.
55 Instead, make each of the lang.install-common targets (e.g.,
56 c++.install-common in cp/Make-lang.in) depend on it.
57 (install-driver): Depend on installdirs.
59 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
61 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
63 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
66 2001-02-15 Mark Mitchell <mark@codesourcery.com>
68 * invoke.texi (--param): Document.
70 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
72 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
74 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
76 * i386.md (extendsfdf2_2): Fix constraints.
78 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
80 * i386.md (fop_df_3 splitter): Fix operand number.
82 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
84 * invoke.texi (-mreg-alloc): Nuke.
85 * i386.c (ix86_reg_alloc_order, regs_allocated,
86 order_regs_for_local_alloc): Nuke.
87 (override_options): Kill reg_alloc code.
88 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
89 (REG_ALLOC_ORDER): SSE goes before I387.
90 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
91 (ix86_reg_alloc_order): Likewise.
92 * i386-protos.h (ix86_reg_alloc_order): Kill.
94 2001-02-14 Richard Henderson <rth@redhat.com>
96 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
98 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
100 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
102 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
104 * i386-protos.h (ix86_memory_move_cost): Move offline.
105 * i386.c (ix86_register_move_cost): Compute properly cost of
106 SSE, MMX and i387 instructions.
107 (*_cost): Add costs of SSE/MMX moves.
108 (ix86_memory_move_cost): Move offline from ....; Likewise.
109 * i386.h (MEMORY_MOVE_COST): .... here;
110 (struct processor costs): Add new fields to represent costs
113 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
115 * regclass.c (init_reg_sets_1): Reinstall the optimization of
116 move_cost together with Matt Kraai's fix.
118 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
120 * Makefile.in (OBJS): Add params.o.
122 2001-02-14 Richard Henderson <rth@redhat.com>
123 DJ Delorie <dj@redhat.com>
125 * jump.c (jump_optimize_1): When we delete a conditional jump
126 preceeding a non-conditional jump to effectively the same place,
127 make sure that the combined jump skips any clobber insns between
130 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
132 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
134 2001-02-14 Mark Mitchell <mark@codesourcery.com>
136 * Makefile.in (toplev.o): Depend on params.h.
137 (intergate.o): Likewise.
138 (params.o): New target.
139 * flags.h (inline_max_insns): Remove.
140 * integrate.c: Include params.h.
141 Use MAX_INLINE_INSNS instead of inline_max_insns.
142 * params.c: New file.
143 * params.h: Likewise.
144 * params.def: Likewise.
145 * toplev.c: Include params.h.
146 (lang_independent_params): New variable.
147 (decode_f_option): Use the param machinery instead of setting
149 (independent_decode_option): Handle "--param name=value".
150 (main): Register language-independent parameters.
152 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
154 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
156 2001-02-14 Richard Henderson <rth@redhat.com>
158 * regclass.c (init_reg_sets_1): Revert last two changes.
160 2001-02-14 Jakub Jelinek <jakub@redhat.com>
162 * stor-layout.c (is_pending_size, put_pending_size): New functions.
163 (variable_size): Call put_pending_size.
164 * tree.h (is_pending_size, put_pending_size): Add prototypes.
165 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
166 sizes list, put newly created SAVE_EXPR there as well.
168 2001-02-14 Jakub Jelinek <jakub@redhat.com>
170 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
171 (errata_find_address_regs): load_group has only 2 entries.
172 (errata_emit_nops): Likewise. shladd is not problematic.
173 Clear last_group if nop was emitted.
174 (fixup_errata): load_group has only 2 entries.
177 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
179 * c-lex.c (lex_number): Only warn traditionally for U suffix
180 outside system macros.
181 * cppexp.c (parse_number): Similarly.
182 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
183 * cppmacro.c (struct cpp_macro): New member node.
184 (parse_args): Only warn about missing rest args if not
186 (funlike_invocation_p): Similarly for uninvoked funlike macros.
187 (cpp_sys_objmacro_p): New.
188 (_cpp_create_definition): Store the node with the macro defn.
189 Remember if the macro is defined in a system header.
191 2001-02-13 DJ Delorie <dj@redhat.com>
193 * configure.in (check_languages): determine languages to check
194 * Makefile.in (check-c++): alias for check-g++
195 (check-f77): alias for check-g77
196 (CHECK_TARGETS): depend on configured languages
198 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
200 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
201 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
202 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
203 (sqrtextendsfdf2): Disable for SSE2.
205 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
207 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
208 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
209 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
210 (sqrtextendsfdf2): Disable for SSE2.
212 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
214 * i386.md (movsfcc_1): Support integer cmove instruction.
215 (movdfcc_1): Likewise; new splitter.
217 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
219 * i386.c (output_fp_compare): Support SSE.
220 (prepare_fp_compare_args): SSE comparisons always support memory.
221 * i386.h (TARGET_CMOVE): SSE imply cmove.
222 * i386.md (cmp?f2): Enable for SSE too.
223 (cmpfp_i*): Support SSE.
225 (cmpfp_i_sse_only): New.
226 (s*, b* fp expanters): Enable for SSE too.
227 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
230 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
232 * regclass.c (init_reg_sets_1): Silence warning.
234 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
236 * i386.md (sqrt?f2): Change to expander.
237 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
239 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
241 * rtlanal.c (find_reg_equal_equiv_note): New function.
242 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
243 (simplify_gen_relational, simplify_replace_rtx): Likewise.
244 * rtl.h: Add declarations for above functions.
246 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
248 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
250 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
251 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
252 * flow.c (mark_regs_live_at_end): Likewise.
253 (calculate_global_regs_live): Likewise.
254 * gcse.c (compute_hash_table): Likewise.
255 (compute_kill_rd): Likewise.
256 * resource.c (mark_target_live_regs): Likewise.
257 * rtl.h (INVALID_REGNUM): New macro.
259 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
261 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
263 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
265 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
268 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
270 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
272 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
273 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
274 (fop_sf_1_sse, fop_df_1_sse): New patterns
275 (fop_*): Disable float_extend and float patterns for SSE compilation.
276 * i386.c (output_387_binary_op): Support SSE.
278 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
280 * i386.md (dummy_extendsfdf2): Support SSE2
281 (extendsfdf2): Enable if 80387 or SSE2.
282 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
284 (extendsfdf2_1_sse_only): New pattern.
285 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
287 (truncdfsf2_1): Support SSE.
288 (truncdfsf2_2): Support SSE.
289 (truncdfsf2_2_1_sse): New pattern.
290 (fixtruncsfsi2): Always use SSE if available.
291 (fix_truncsfsi_sse): New pattern.
292 (fix_truncdfsi_sse): New pattern.
293 (floatsis?f2): Support SSE.
294 (floatsidf2_i387): New pattern.
295 (floatsidf2_sse): Likewise.
297 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
299 * configure.in: Use "have_gnat" variable, not "gnat".
300 * configure: Regenerated.
302 * config/sparc/sparc.c (function_value): Treat all non-record
303 aggregate types like used to treat UNION_TYPE.
305 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
307 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
308 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
310 (MASK_MIX_SSE_I387): New.
311 (TARGET_SSE): SSE2 imply SSE.
312 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
313 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
314 (enum reg_class): Add new classes.
315 (REG_CLASS_NAMES): Likewise.
316 (REG_CLASS_CONTENTS): Likewise.
317 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
318 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
319 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
320 (CLASS_MAX_NREGS): Use new macros.
321 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
322 * i386.md (pushsf, movsf): Support SSE.
323 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
324 splitters to use ANY_FP_REGNO_P.
325 (movdf_nointeger, movdf_integer): Likewise.
327 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
329 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
330 (try_combine): Use it.
332 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
334 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
335 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
336 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
337 (REGISTER_MOVE_COST): Likewise.
338 * i386-protos.h (ix86_secondary_memory_needed,
339 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
340 * i386.c (ix86_secondary_memory_needed,
341 ix86_preferred_reload_class, ix86_register_move_cost): New function.
343 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
345 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
346 (HARD_REGNO_MODE_OK): Move offline to ....
347 * i386.c (ix86_hard_regno_mode_ok) ... here;
348 refuse all incorrect modes.
349 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
351 2001-02-13 Richard Henderson <rth@redhat.com>
353 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
354 entire operator; replicate that and match_dup the operands.
355 (cmp_ccx_arith_op_set): Likewise.
356 (cmp_cc_arith_op_not_set): Likewise.
357 (cmp_ccx_arith_op_not_set): Likewise.
359 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
361 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
363 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
365 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
366 (TARGET_NO_BITFIELD_WORD): New macro.
367 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
368 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
370 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
372 * cselib.c: New file, from simplify-rtx.c.
373 * simplify-rtx.c: Remove cselib parts.
374 * Makefile.in: Add cselib.o.
376 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
378 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
379 (setup_incoming_varargs): Remove warning.
381 * config/rs6000/rs6000.c (validate_condition_mode): When
382 flag_fast_math, allow floating-point conditionals to be reversed.
383 (rs6000_generate_compare): When flag_fast_math, don't generate
384 cror operations for FP conditionals.
386 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
388 (ASM_SPEC): Likewise.
389 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
390 (CC1_SPEC): Likewise.
391 (LINK_TARGET_SPEC): Likewise.
392 (CPP_ENDIAN_SPEC): Likewise.
393 * Makefile.in (check-consistency): New target.
395 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
397 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
398 "return type defaults" warning for functions with return type
400 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
401 function declarations by default rather than only when pedantic.
403 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
405 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
408 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
410 * extend.texi (Deprecated): Deprecate new initializer lists.
412 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
414 * mkdeps.c (deps_add_default_target): Robustify. Add
415 basename component only.
416 * cpp.texi (-M): Describe how default target is generated.
417 * invoke.texi (-M): Likewise.
419 2001-02-12 Kazu Hirata <kazu@hxi.com>
421 * toplev.c (push_float_handler): Remove.
422 (pop_float_handler): Remove.
423 * toplev.h: Remove prototypes for the above functions.
425 2001-02-12 Jakub Jelinek <jakub@redhat.com>
427 * c-common.c (constant_fits_type_p): New function.
428 (convert_and_check): Use it.
430 2001-02-11 Mark Mitchell <mark@codesourcery.com>
432 * Makefile.in (GXX_ABI_FLAG): Don't define.
433 * configure.in (--enable-new-gxx-abi): Remove option.
434 * config.in: Regenerated.
435 * configure: Likewise.
437 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
439 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
441 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
442 regular basic block, and arrange for all edges into it to switch
445 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
447 * Makefile.in (distclean): Do not remove .gdbinit.
449 2001-02-11 Mark Mitchell <mark@codesourcery.com>
451 * Makefile.in (gcc.o): Fix typos.
452 (protize.o): Likewise.
453 (unprotoize.o): Likewise.
455 2001-02-11 Richard Henderson <rth@redhat.com>
457 * tree.c (build1): Check for null operand in last change.
459 2001-02-11 Richard Henderson <rth@redhat.com>
461 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
462 (fold): Don't assume a constant isn't foldable.
463 * tree.c (build): Set TREE_CONSTANT for an expression with no
464 side-effects and constant operands.
467 2001-02-10 Richard Henderson <rth@redhat.com>
469 * jump.c (squeeze_notes): Revert 2000-05-12 change.
471 2001-02-10 Anthony Green <green@redhat.com>
473 * cpp.texi (Standard Predefined): Add documentation for
476 * c-common.c (combine_strings): Improve warning message.
478 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
480 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
482 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
484 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
486 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
489 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
491 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
494 2001-02-09 Nick Clifton <nickc@redhat.com>
496 * config/arm/arm.md: Change output contraint on post inc
497 load/store multiple patterns to be a read/write contraint.
499 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
501 * gcc.c (cpp_options): Delete .d files on error. Don't delete
502 .o files when using the -M options.
504 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
505 David Edelsohn <edelsohn@gnu.org>
507 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
508 handle DImode constants. Use one TOC entry for SImode and smaller
509 constants, aligned properly.
511 2001-02-08 Jason Merrill <jason@redhat.com>
513 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
514 about the SP adjustment for saving the static chain pointer.
515 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
516 offset when setting a temporary CFA register.
518 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
520 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
521 powerpc-*-chorusos* .
522 * config/rs6000/chorus.h : New file.
523 * config/i386/chorus.h : New file.
524 * config/sparc/chorus.h : New file.
525 * config/sparc/t-chorus-elf : New file.
527 2001-02-08 David Edelsohn <edelsohn@gnu.org>
529 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
530 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
531 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
532 (__WCHAR_TYPE__): Correct macro name.
534 2001-02-08 Richard Henderson <rth@redhat.com>
536 * config/i386/i386.c (ix86_frame_pointer_required): New.
537 (ix86_setup_frame_addresses): New.
538 (struct machine_funciton): Add accesses_prev_frame.
539 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
540 ix86_frame_pointer_required.
541 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
542 (SETUP_FRAME_ADDRESSES): New.
543 * config/i386/i386-protos.h: Update.
544 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
545 from FRAME_POINTER_REQUIRED.
546 * config/i386/svr3gas.h: Likewise.
547 * config/i386/sysv3.h: Likewise.
548 * config/i386/v3gas.h: Likewise.
550 2001-02-08 Richard Henderson <rth@redhat.com>
552 * config/sparc/sparc.c (function_arg_record_value_3): Fix
553 calculation of the number of integer registers required.
554 (function_arg_record_value): Likewise.
556 2001-02-08 Jason Merrill <jason@redhat.com>
558 * diagnostic.c (internal_error): Say "confused" after 1 error, not
559 two. Print file and line with "confused" message.
561 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
563 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
565 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
567 2001-02-08 Bernd Schmidt <bernds@redhat.com>
569 * final.c (cleanup_subreg_operands): The address of a MEM can
572 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
575 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
577 * gcc.texi (Incompatibilities): Update documentation of
578 preprocessing numbers.
580 2001-02-07 Jakub Jelinek <jakub@redhat.com>
582 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
584 2001-02-07 Mark Mitchell <mark@codesourcery.com>
586 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
588 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
589 * gcc.c (struct compiler): Add cpp_spec field.
590 (input_file_compiler): New variable.
591 (do_spec_1): Allow a particular compiler to handle `%C'
593 (main): Store the current compiler in input_file_compiler.
594 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
596 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
598 * cpphash.h (struct spec_nodes): Add n_true and n_false.
599 * cppinit.c (cpp_create_reader): Initialize them.
600 (append_include_chain): cxx_aware arg might be unused.
601 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
602 keywords and give them their phase 7 meaning. Pedwarn about
603 this unless '__bool_true_false_are_defined' is defined.
605 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
607 * lcm.c (optimize_mode_switching): Emit mode_set before the
608 JUMP_INSN of an abnormal edge.
610 2001-02-07 Bernd Schmidt <bernds@redhat.com>
612 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
613 a scheduling barrier at the end.
615 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
617 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
619 * config/sh/sh.md (reload_outsf): Removed.
620 (movsf_ie): Introduce constraints for FPUL loads and stores.
621 (reload_insf): Broaden the output constraint.
623 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
625 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
626 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
628 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
630 * final.c: Revert my previous changes.
631 * output.h: Make profile_label_no extern.
632 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
633 for generating label.
635 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
637 * config/i386/djgpp.h: Add comments about standard paths.
638 (MD_EXEC_PREFIX): Undefine before defining.
639 (MD_STARTFILE_PREFIX): New.
641 2001-01-30 Bruce Korb <bkorb@gnu.org>
643 fixinc/fixincl.c(process): Emit error message only if appropriate :)
644 (load_file): do not rely on load_file_data() to close file pointer
645 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
646 fixinc/inclhack.def(irix_limits_const): add test_text
648 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
650 * cppexp.c (parse_defined): Improve diagnostics for invalid
653 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
655 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
657 2001-02-06 Mark Mitchell <mark@codesourcery.com>
659 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
660 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
661 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
662 (rs6000_output_symbol_ref): New function.
663 (output_toc): Use VTABLE_NAME_P.
665 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
667 * print-tree.c (print_node, case PARM_DECL):
668 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
670 * stor-layout.c (reference_types_internal): New variable.
671 (internal_reference_types): New function.
672 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
673 * tree.h (internal_reference_types): New declaration.
675 * cse.c (find_best_addr): Fix typo in computing cost.
677 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
679 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
680 and this is the sum of a pointer and a constant, we know the result
682 (num_sign_bit_copies, case PLUS): Likewise.
683 * explow.c (convert_memory_address): Remove opposite SUBREG.
684 * function.c (instantiate_new_reg): New function (from common code).
685 (instantiate_virtual_regs_1): Call it.
686 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
687 if pointers sign- or zero-extend.
688 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
689 If pointers extend unsigned, use inside of SUBREG.
690 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
692 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
694 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
695 subdir of gcc_gxx_include_dir.
696 (gcc_gxx_target_include_dir): Remove.
698 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
700 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
701 (dwarf2out_frame_debug_expr): Revise introductory comments to add
702 a high-level description.
704 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
706 * final.c: Move the declaration of profile_label_no to ...
707 * output.h: ... here.
708 * function.c (expand_function_start): Call PROFILE_HOOK.
709 * config/rs6000/aix.h: Define PROFILE_HOOK.
710 * config/rs6000/rs6000-protos.h: output_profile_hook new.
711 * config/rs6000/rs6000.c (output_profile_hook): Define.
712 (output_prolog): Do nothing for ABI_AIX as it is taken care by
714 tm.texi : Explain new macro PROFILE_HOOK.
716 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
718 * extend.texi (Extended Asm): Do not say that semicolon is always
719 a valid line-breaking character for GNU assemblers. Use
720 newline-tab as the most commonly supported syntax. Use
721 newline-tab rather than semicolon in multi-insn examples.
723 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
725 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
727 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
728 David Edelsohn <edelsohn@gnu.org>
730 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
731 code for AIX, even without flag_pic.
733 2001-02-05 Jakub Jelinek <jakub@redhat.com>
735 * c-typeck.c (common_type): push and pop binding level around
736 calling common_type on function parameters.
738 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
740 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
742 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
744 * config/mips/mips.c (override_options): Fix typo in last change.
745 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
746 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
748 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
750 * invoke.texi (-fdump-class-layout): Document.
751 (-fdump-translation-unit): Use `=' as filename separator.
753 2001-02-05 Mark Mitchell <mark@codesourcery.com>
755 * Makefile.in (s-mlib): Don't build multilibs if
757 (DRIVER_DEFINES): Adjust accordingly.
759 (protoize.o): Likewise.
760 (unprotoize.o): Likewise.
761 * configure.in: Recognize --enable-multilib.
763 2001-02-04 Mark Mitchell <mark@codesourcery.com>
765 * Makefile.in (DRIVER_DEFINES): Fix quoting.
767 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
768 * configure.in: Remove --enable-libstdcxx_v3 support.
769 * configure: Regenerated.
771 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
773 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
774 Call abort instead of fatal.
775 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
776 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
777 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
778 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
779 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
780 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
782 * diagnostic.h (set_internal_error_function): Renamed.
783 * toplev.h (internal_error): Renamed from fatal.
784 (pfatal_with_name): Deleted.
785 (fatal_io_error): Now has printf-style arguments.
786 * diagnostic.c (pfatal_with_name): Deleted.
787 (fatal_io_error): Rework to have args in printf-style.
788 (set_internal_error_function): Renamed from set_fatal_function.
789 (internal_error): Renamed from fatal.
790 (error_recursion, fancy_abort): Call internal_error instead of fatal.
791 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
792 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
793 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
794 * flow.c (verify_flow_info): Likewise.
795 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
796 * config/mips/mips.c (save_restore_insns): Likewise.
798 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
799 * flow.c (verify_flow_info): Likewise.
800 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
801 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
802 (avr_normalize_condition): Likewise.
803 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
804 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
805 (limit_reload_class, double_reg_to_memory): Likewise.
806 (print_operand_address, emit_1600_code_shift): Likewise.
807 (gen_tst_reg, gen_compare_reg): Likewise.
808 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
809 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
811 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
813 * c-parse.in (methoddef): Call fatal_error instead of fatal.
814 * objc/objc-act.c (build_ivar_chain): Likewise.
815 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
817 * graph.c (clean_graph_dump_file): Likewise.
818 * profile.c (init_branch_prob): Likewise.
819 * objc/objc-act.c (objc_init): Likewise.
821 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
822 * config/avr/avr.c (avr_override_options): Likewise.
823 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
824 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
825 * config/h8300/h8300.c (h8300_init_once): Likewise.
826 * config/mips/mips.c (override_options): Likewise.
827 * config/i386/i386.c (override_options): Likewise, rework.
828 * config/m68k/m68k.c (override_options): Likewise.
830 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
832 * config/mips/mips.c (print_operand): Likewise.
833 * hash.c (hash_allocate): Don't check for failure returns from
834 obstack functions that can't fail.
835 (hash_table_init_n, hash_table_init): Likewise; also now return void.
836 * hash.h (hash_table_init_n, hash_table_init): Now return void.
837 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
838 (get_object_reference): Likewise.
840 2001-02-04 Nick Clifton <nickc@redhat.com>
842 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
843 StrongARM1110, 10TDMI, and 1020T.
845 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
847 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
849 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
851 * config/sh/sh.md (movdf load split): Pass register number to
854 2001-02-04 Mark Mitchell <mark@codesourcery.com>
856 * cppinit.c (BC): New macro.
857 (builtin_array): Add __GXX_WEAK__.
858 * cpplib.h (builtin_type): Add BT_WEAK.
859 * cppmacro.c (builtin_macro): Handle BT_WEAK.
860 * defaults.h (SUPPORTS_ONE_ONLY): Define.
861 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
863 2001-02-03 Jakub Jelinek <jakub@redhat.com>
865 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
867 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
869 * cpphash.h: Rename _ALIGN POOL_ALIGN.
870 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
872 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
874 * cpphash.h: Rename ALIGN _ALIGN.
875 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
877 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
879 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
880 compilation environment.
881 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
882 control over location of cygwin includes and libs.
884 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
886 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
888 2001-02-02 lars brinkhoff <lars@nocrew.org>
890 * md.texi (Standard Names): remove reference to spur.md.
892 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
894 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
895 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
896 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
897 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
898 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
900 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
902 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
903 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
904 number before reload.
905 (c4x_adjust_cost): Return zero before reload.
906 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
909 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
911 * c4x.c (c4x_hard_regno_rename_ok): New.
912 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
913 * c4x.h (HARD_REGNO_RENAME_OK): Define.
915 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
917 * diagnostic.h: Add missing "extern" in all declarations.
919 2001-02-02 Alex Samuel <samuel@codesourcery.com>
921 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
922 as for gcc_gxx_include_dir.
924 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
926 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
928 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
930 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
931 label before alignment to be used as the braf base address.
932 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
934 (casesi_jump_2): Require at least TARGET_SH2.
936 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
937 truncation to 32-bit doubles on -m3e and -m4-single-only.
939 2001-02-02 Mark Mitchell <mark@codesourcery.com>
941 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
942 the default when building a shared object.
944 * testsuite/lib/g++.exp: Include the directory where libgcc
945 is located to the LD_LIBRARY_PATH list.
946 * invoke.texi (-shared-libgcc): Document the cases in which
947 GCC defaults to using the shared libgcc.
949 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
951 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
952 unsigned is wide enough.
954 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
955 (si_to_float): Likewise.
956 (float_to_si, float_to_usi): Use BITS_PER_SI.
958 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
960 * dwarf2out.c: Added explanation of abbreviations.
961 (def_cfa_1): Added comments listing DWARF2 instructions.
962 (cfa_temp_reg): Removed in favor of cfa_temp.
963 (cfa_temp_value): Removed in favor of cfa_temp.
964 (cfa_temp): New global variable.
965 (dwarf2out_frame_debug_expr): Added extensive introductory
966 comments explaining the function's transformations. Revised to
967 use cfa_temp. Added some rtx checking. Generalize IOR case.
968 (dwarf2out_frame_debug): Revised to use cfa_temp.
969 (output_aranges): Cast as "unsigned" to avoid warning.
970 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
971 explain which instructions must be marked.
973 2001-02-01 Richard Henderson <rth@redhat.com>
975 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
978 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
980 * config/sh/crt1.asm (main_k): Modified so that start calls
981 ___setup_argv_and_call_main.
983 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
985 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
986 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
987 and AVOID_LPASTE is cleared on meeting an unescaped newline.
988 * cppmacro.c (builtin_macro): Set builtin flags here.
989 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
990 (replace_args): Clarify intent.
991 (cpp_get_token): Macro expansion tokens get the saved flags.
993 * cppmain.c (scan_buffer): Remove now-redundant print.printed
996 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
998 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
1001 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1003 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
1004 returns Pmode pseudo, but we need ptr_mode.
1005 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
1006 Remove bogus conversions; use HOST_WIDE_INT for size.
1007 Don't use TARGET if wrong mode.
1009 * config/i386/i386.c (ix86_compute_frame_size): Allow
1010 stack_alignment_needed to be non-default even if size is zero.
1012 2001-01-31 Alan Modra <alan@linuxcare.com.au>
1014 * (hppa_init_pic_save): Emit the pic offset table
1015 reg save after last_parm_insn.
1016 * pa.c (hppa_init_pic_save): New function.
1017 * pa.h (hppa_init_pic_save): Declare.
1018 * pa.md (call, call_value, sibcall, sibcall_value): Use
1019 the above instead of duplicated code.
1021 * pa.c (hppa_encode_label): Correct size of alloca buffer
1022 so we don't overrun it. Correct leading `*' case.
1023 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
1024 need to handle `*@'.
1025 (FUNCTION_NAME_P): Likewise.
1027 2001-01-31 Richard Henderson <rth@redhat.com>
1029 * config.gcc (alpha-osf5): Use float-i128.h.
1031 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
1032 * config/float-i32.h: Likewise.
1033 * config/float-i64.h: Likewise.
1034 * config/float-sh.h: Likewise.
1035 * config/float-sparc.h: Likewise.
1037 2001-01-31 DJ Delorie <dj@redhat.com>
1039 * expmed.c (extract_bit_field): allow non-integral modes if we
1040 want to extract a whole register from itself.
1042 2001-01-31 Jakub Jelinek <jakub@redhat.com>
1044 * c-typeck.c (set_init_index): If first is equal to last, assume as
1045 if it was not a range at all.
1047 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
1049 * config/fp-bit.c: Include tm.h.
1050 (float_to_si): Don't assume SImode is 32-bits wide.
1051 (float_to_usi): Likewise.
1053 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
1055 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
1057 (typename): Call pending_xref_error after parsing typed_typespecs.
1058 * c-decl.c (lookup_tag): Give error immediately rather than
1059 leaving it pending if the tag of the wrong type is in the same
1061 (xref_tag): Don't pedwarn for forward declarations of enum types
1063 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
1066 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
1068 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
1070 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
1072 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
1073 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
1075 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
1077 * cpphash.h (struct cpp_reader): New saved_flags.
1078 * cppmacro.c (cpp_get_token): Use saved_flags to remember
1079 to avoid a paste after a pasted token.
1081 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
1083 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
1084 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
1085 Wtype_MIN instead of LONG_MIN.
1087 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
1089 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
1091 * fixinc/fixincl.x: Regenerated.
1092 * fixinc/inclhack.def (irix_limits_const): New definition to
1093 convert "const" to "__const" in limits.h.
1095 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
1097 * fixinc/genfixes (AG): Fix "autogen4" thinko.
1099 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1101 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
1102 when register dies in the insn.
1104 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
1106 * diagnostic.c (fatal): Fix word wrap.
1108 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
1110 * combine.c (try_combine): Fix SUBREG setting for
1111 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
1113 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1115 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
1118 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
1120 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
1122 * toplev.c (decode_W_option): Update warn_larger_than
1123 unconditionally for each processed switch.
1125 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
1127 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
1129 (hppa_expand_prologue): Delete code to save pic offset table register
1130 in the function prologue.
1131 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
1132 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
1133 table register at the beginning of the function after the prologue.
1135 2001-01-29 lars brinkhoff <lars@nocrew.org>
1137 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
1139 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
1140 Jeff Law <law@redhat.com>
1142 * pa.md (return): Revise comment for trivial return.
1143 (return_internal): Non-trivial return pattern for non-PIC code.
1144 (return_internal_pic): Non-trivial return pattern for PIC code.
1145 It uses the PIC register to ensure it is restored after
1147 (epilogue): Generate appropriate return for PIC and non-PIC code.
1149 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
1151 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
1153 2001-01-29 DJ Delorie <dj@redhat.com>
1155 * combine.c (if_then_else_cond): Pass the correct mode to
1156 operand_subword() for constants.
1158 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
1160 * config/i386/cygwin.h: Add w32api to include search. Search different
1161 directories in a cross-build environment.
1163 2001-11-29 Tim Josling <tej@melbpc.org.au>
1165 * tree.h (TYPE_STUB_DECL): Add documentation.
1167 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
1169 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
1170 (sdbout_field_types): Likwise. Fix use of host_integerp.
1172 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
1174 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
1177 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
1179 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
1180 to use flag_gnu_linker.
1182 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
1184 * cpplib.c (T_BAD_DIRECTIVE): Remove.
1185 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
1187 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
1189 * tree.c, tree.h (build_parse_node): Remove; was identical to
1191 * c-lang.c (start_cdtor), objc/objc-act.c
1192 (build_module_descriptor): Use build_nt instead of
1195 2001-01-29 Jakub Jelinek <jakub@redhat.com>
1197 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
1198 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
1199 not have any upper bits set.
1201 2001-01-29 Phil Edwards <pme@sources.redhat.com>
1203 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
1205 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1207 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
1209 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
1211 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
1212 (integer_minus_one_node): Define.
1214 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
1216 * Makefile.in (bootstrap2-lean): Fix typo.
1218 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
1220 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
1221 : Don't set fe_value.
1222 * cpplib.h (AVOID_LPASTE): New flag.
1223 (struct cpp_hashnode): Remove fe_value.
1224 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
1225 * cppmacro.c (builtin_macro): Don't set flags here.
1226 (replace_args): Set AVOID_LPASTE flag on first token of an
1227 argument, and the token following it.
1228 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
1229 macro expansion, and on the token following it. Do it for
1231 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
1233 2001-01-27 Richard Henderson <rth@redhat.com>
1235 * config/alpha/t-ieee: Remove multilibbing.
1236 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
1238 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1240 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
1242 * Makefile.in: Remove all dependencies on defaults.h.
1243 * builtins.c: Don't include defaults.h.
1244 * c-common.c: Likewise.
1245 * c-decl.c: Likewise.
1246 * c-pragma.c: Likewise.
1247 * c-typeck.c: Likewise.
1248 * combine.c: Likewise.
1250 * frame-ia64.c: Likewise.
1251 * cppexp.c: Likewise.
1252 * crtstuff.c: Likewise.
1253 * dbxout.c: Likewise.
1254 * dwarf2out.c: Likewise.
1255 * dwarfout.c: Likewise.
1256 * emit-rtl.c: Likewise.
1257 * except.c: Likewise.
1259 * final.c: Likewise.
1260 * frame-dwarf2.c: Likewise.
1261 * libgcc2.c: Likewise.
1262 * optabs.c: Likewise.
1263 * profile.c: Likewise.
1264 * sdbout.c: Likewise.
1265 * toplev.c: Likewise.
1266 * tradcif.y: Likewise.
1268 * varasm.c: Likewise.
1270 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1272 * builtins.c (expand_builtin_fputs): Use size_one_node when
1273 transforming into fwrite.
1275 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
1277 * extend.texi (Attribute Syntax): New section.
1279 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
1281 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
1282 they didn't need fixing.
1284 2001-01-27 Janis Johnson <janis@us.ibm.com>
1286 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
1288 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
1289 to remove macro definitions that are duplicated from elfos.h.
1291 2001-01-27 Richard Henderson <rth@redhat.com>
1293 * config/i386/sco5gas.h: Move ...
1294 * config/usegas.h: ... here.
1295 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
1297 2001-01-27 Jakub Jelinek <jakub@redhat.com>
1299 * c-typeck.c (struct constructor_stack): Add range_stack member.
1300 (really_start_incremental_init): Clear it.
1301 (push_init_level): Save constructor_range_stack and clear it if
1302 pushing explicit braces.
1303 (pop_init_level): abort if constructor_range_stack is non-zero at
1304 explicit closing brace. Restore saved constructor_range_stack if
1307 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
1309 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
1310 into register was forced into memory.
1312 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
1314 * Makefile.in: Remove uses of + before $(MAKE).
1316 2001-01-26 Richard Henderson <rth@redhat.com>
1318 * stmt.c (cost_table): Remove.
1319 (COST_TABLE, cost_table_initialized): New.
1320 (estimate_case_costs): Use the later instead of the former.
1321 (balance_case_nodes): Likewise.
1323 2001-01-26 Richard Henderson <rth@redhat.com>
1325 * alias.c (objects_must_conflict_p): Read-only slots may not
1326 conflict despite having the same type.
1328 2001-01-27 Michael Hayes <mhayes@redhat.com>
1330 * loop.c (loop_giv_reduce_benefit): Copy mode size into
1332 (check_ext_dependant_givs): Initialise u_start_val and
1334 (load_mems): Make last_max_reg unsigned.
1335 (try_swap_copy_prop): Use INSN_P and initialise set.
1337 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
1339 * README.AVR : Removed.
1341 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
1343 * pa-64.h (text_section): Remove declaration.
1345 * pa.md (return_internal): Remove mode on PIC register use.
1347 2001-01-25 lars brinkhoff <lars@nocrew.org>
1349 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
1350 ASM_CLOSE_PAREN): fix typos.
1352 2001-01-25 Mark Mitchell <mark@codesourcery.com>
1354 * acconfig.h: Define `const' to the empty string if neither
1355 __STDC__ nor __cplusplus is defined.
1356 * config.in: Regenerated.
1358 2001-01-25 David Edelsohn <edelsohn@gnu.org>
1360 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
1361 * collect2.c (main): Delete importf. Add ".obj" file extension.
1362 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
1363 (aix_std_libs): Add additional AIX libraries to skip.
1364 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
1365 * config/rs6000/aix51.h: New file.
1367 2001-01-25 Michael Hayes <mhayes@redhat.com>
1369 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
1370 (loop_insn_emit_before): No longer static.
1371 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
1372 (loop_givs_rescan, load_mems): Likewise.
1373 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
1374 (maybe_eliminate_biv_1):
1375 (move_movables): Replace emit_call_insn_before with
1376 loop_call_insn_hoist.
1377 * loop.h (loop_insn_emit_before): Add.
1378 * unroll.c (copy_loop_body): Replace emit_insn_before with
1379 loop_insn_emit_before.
1381 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
1383 * diagnostic.c (fatal): Request preprocessed source.
1385 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
1387 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
1388 olddecl has argument types and newdecl has none, use the argument
1391 2001-01-24 Ulrich Drepper <drepper@redhat.com>
1393 * dwarf2out.c (prefix_of): New function. Determine longest common
1394 prefix of the two arguments. The units are whole path components.
1395 (output_file_names): When adding a new directory find the one entry
1396 with the longest common prefix already in the list. Artificially
1397 generate entry if there is none for this prefix.
1398 Fix test to check whether the zeroth directory entry is used.
1400 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
1402 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
1403 Changed all callers. Take it into account when deciding if a
1404 previously loaded value matches.
1406 2001-01-24 Richard Henderson <rth@redhat.com>
1408 * reload.c (find_reloads_subreg_address): Fail the substitution
1409 if the resulting address is insufficiently aligned.
1411 2001-01-24 DJ Delorie <dj@redhat.com>
1413 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
1414 check the original operand's mode also.
1415 * simplify-rtx.c (simplify_ternary_operation): Ditto.
1417 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
1419 * c-parse.in (cast_expr): Move compound literals from here ...
1420 (primary): ... to here. Use standard terminology "compound
1421 literal" instead of "constructor expression".
1423 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
1425 * gcc.1, cpp.1: Regenerate.
1427 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
1429 * calls.c (emit_library_call_value_1): Memory slot for
1430 pass-by-reference argument should have the mode of the argument,
1431 not of the pointer to it.
1433 2001-01-24 Tom Tromey <tromey@redhat.com>
1435 * gcc.texi (G++ and GCC): Mention gcj manual.
1436 (Standards): Link to section of manual mentioning gcj/Java
1439 2001-01-24 Jakub Jelinek <jakub@redhat.com>
1441 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
1442 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
1443 * tradcpp.c (main): Add -imacros or -include'd dependencies
1445 * cpp.texi (-M, -MM): Document -M -include behaviour.
1447 2001-01-24 Roger Collins <roger@ProProject.com>
1449 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
1451 2001-01-24 Will Cohen <wcohen@redhat.com>
1453 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
1454 whether registers are 32 bits or 64 bits in size.
1456 2001-01-24 Ben Elliston <bje@redhat.com>
1458 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
1460 2001-01-24 Richard Henderson <rth@redhat.com>
1462 * config/alpha/alpha.md (builtin_longjmp_internal): New.
1463 (builtin_longjmp): Use it instead of emit_indirect_jump.
1465 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
1467 * bb-reorder.c (make_reorder_chain_1): Handle case where
1468 jump edge goes to the same block as the fallthru edge.
1470 2001-01-23 Jim Wilson <wilson@redhat.com>
1472 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
1473 * frame.h (__ia64_personality_v1): Add prototype.
1474 * libgcc2.c (ia64_throw_helper): Change personality declaration to
1475 prototype form. Add void * cast to first argument to personality
1477 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
1478 (asctoe113): Likewise.
1479 * config/ia64/frame-ia64.c: Include eh-common.h.
1480 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
1482 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
1484 (itanium_split_issue): Add prototype.
1485 (gen_nop_type): Ifdef out.
1486 (find_best_packet): Initialize best_packet.
1487 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
1489 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
1490 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
1491 (flushrs): Add explicit stop bit at end.
1492 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
1495 2001-01-23 Chris Demetriou <cgd@broadcom.com>
1497 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
1499 * libgcc2.c (__terminate_func): Make variable static.
1500 (__terminate_set_func): New function to set __terminate_func.
1501 * libgcc2.h (__terminate_func_ptr): New typedef.
1502 (__terminate_set_func): New function.
1504 2001-01-23 Richard Henderson <rth@redhat.com>
1506 * flow.c (init_propagate_block_info): Don't consider unchanging
1507 memories for dead frame store elimination.
1509 2001-01-23 Richard Henderson <rth@redhat.com>
1511 * varasm.c (UNIQUE_SECTION): Move default implementation ...
1512 * defaults.h: ... here.
1514 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1516 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
1518 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
1520 * c-lex.c (lex_charconst): Fix typo: s/p/str.
1522 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1524 * rs6000.h (rs6000_return_addr): Move prototype from here...
1525 * rs6000-protos.h (rs6000_return_addr): ...to here.
1526 (rs6000_init_expanders): Delete prototype.
1528 2001-01-23 Nick Clifton <nickc@redhat.com>
1530 * invoke.texi: Replace , with \, inside @gccoptlist macros.
1531 (Spec Files): Document %B and %j and %. and %v3 and %M and
1532 %{S*&T} spec switches.
1534 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1536 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
1538 2001-01-23 Chris Demetriou <cgd@sibyte.com>
1539 Neil Booth <neil@daikokuya.demon.co.uk>
1541 * cpperror.c: Merge handlers of PEDWARN and WARNING.
1542 Have -Werror make pedantic warnings errors, like the
1545 2001-01-23 Phil Edwards <pme@sources.redhat.com>
1547 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
1549 2001-01-23 Jakub Jelinek <jakub@redhat.com>
1551 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
1552 * integrate.c (expand_inline_function): Initialize them.
1553 (subst_constants): If changing COMPARE so that both its arguments
1554 will be VOIDmode and the comparison mode will be lost, note
1555 compare_mode. Use the recorded compare_mode to optimize
1558 2001-01-23 Jason Merrill <jason@redhat.com>
1560 * dwarf2out.c (new_die): Use xcalloc.
1561 (output_die): Abort rather than emit a local reference to offset 0.
1563 2001-01-17 Andrew Haley <aph@redhat.com>
1565 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
1566 of a saved register; return NULL instead.
1567 (copy_reg): Take a pointer to a source register rather than a
1569 (next_stack_level): Remember the address in the stack frame of all
1571 Use the saved register pointer array as the source of the CFA.
1572 (throw_helper): Rewrite. Unwind once rather than twice and keep
1573 track of saved registers as we go.
1575 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1577 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
1578 * c4x.c (c4x_legitimize_reload_address): Remove.
1579 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
1580 reload address for ldp(k) insn.
1582 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
1584 * pa.md (return_internal): Add a USE of the PIC register to ensure
1585 it is restored after each call.
1586 (return expander): Corresponding changes.
1588 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1590 * rs6000.h (INIT_EXPANDERS): Delete.
1591 (RETURN_ADDR_RTX): Call rs6000_return_addr().
1592 * rs6000.c (rs6000_override_options): Call *_machine_status from
1594 (rs6000_init_expanders): ...instead of here. Delete.
1595 (rs6000_mark_machine_status): New function.
1596 (rs6000_init_machine_status): Use xcalloc.
1597 (rs6000_return_addr): Generate RTX for the return address.
1598 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
1599 (rs6000_stack_info): Use it.
1601 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
1603 * gthr-win32.h: Include errno.h to get a declaration for
1604 EINVAL and _mingw.h if the target is mingw32.
1606 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
1608 * cpp.texi: Correct typos.
1610 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1612 * explow.c (probe_stack_range): Ensure value passed to
1613 stack_check_libfunc is ptr_mode, not Pmode.
1615 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
1617 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
1618 case, don't use operand_subword to calculate a SUBREG that is
1621 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
1623 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1625 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
1626 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
1627 valid. If not replace it by equivalent insns.
1629 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1631 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
1632 contains SYMBOL_REF, LABEL_REF and CONST_INT.
1633 (c4x_U_constraint, symbolic_address_operand): Likewise.
1634 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
1636 (c4x_r11_set_p, c4x_check_laj_p): New functions.
1637 * c4x-protos.h (c4x_check_laj_p): Add prototype.
1638 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
1639 anulling slot because of silicon bug.
1640 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
1642 2001-01-22 Alan Modra <alan@linuxcare.com.au>
1644 * cppexp.c (parse_charconst): Change `mask' type to agree
1647 2001-01-21 Richard Henderson <rth@redhat.com>
1649 * config/i386/i386.c (ix86_asm_file_end): Disable putting
1650 pic_label_name in a linkonce section.
1652 2001-01-17 Philipp Thomas <pthomas@suse.de>
1654 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
1656 * configure: Regenerate.
1658 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
1660 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
1661 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
1663 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
1665 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
1666 If REVERSE nonzero then condition code in X must be reversed.
1667 (encode_section_info): Optimise if/else.
1668 (avr_function_value): Fix formatting.
1670 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
1671 (difficult_branch): Likewise.
1672 (rvbranch): Likewise.
1673 (difficult_rvbranch): Likewise.
1675 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
1677 * config/avr/libgcc.S: Fix comment.
1679 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
1681 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
1683 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
1685 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
1687 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
1689 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
1690 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
1691 * configure, config.in: Regenerate.
1692 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
1693 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
1694 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
1695 (doprint.o): New rule.
1697 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
1699 * c-typeck.c (digest_init): Handle boolean types as scalars.
1701 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1703 * stmt.c (expand_return): Don't return anything if size is zero.
1704 Delete redundant assignment to BYTES.
1705 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
1707 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
1709 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
1710 the same as the default library function names.
1711 * config/avr/avr.md: Document special characters after '%'.
1712 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
1713 knowing which of the call-used registers are really clobbered.
1714 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
1715 New. Both quotient and remainder from one libgcc.S call.
1716 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
1717 clobber as few registers as possible.
1718 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
1720 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
1722 * cppmacro.c (funlike_invocation_p): Don't move back up to the
1723 context of the top of the stack.
1725 2001-01-20 Jakub Jelinek <jakub@redhat.com>
1727 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
1728 (fixup_var_refs_insns): ...here.
1730 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
1732 * function.c (fixup_var_refs_insns): Break up into
1733 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
1734 [loop over entire insn list], and fixup_var_refs_insns_with_hash
1735 [loop over hash table entries].
1736 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
1737 fixup_var_refs_insns_with_hash, to match above changes.
1739 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
1741 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
1742 (libgcc.a): Likewise.
1743 (stmp-multilib): Likewise.
1744 (STAGE2_FLAGS_TO_PASS): Likewise.
1746 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
1748 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
1749 temporary if no_new_pseudos.
1751 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
1753 * cppinternals.texi: Update.
1755 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
1757 * arm.c (arm_init_builtins): Re-enable builtins.
1759 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1761 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
1762 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
1763 element to be null, and always expect an EXPR_LIST.
1764 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
1765 * sched-deps.c (sched_analyze_1): Likewise.
1766 * sched-rgn.c (check_live_1, update_live_1): Likewise.
1768 * regclass.c (max_set_parallel): New variable.
1769 (reg_scan): Take it into account in computation of max_parallel.
1770 (reg_scan_mark_refs, case SET): Compute it.
1772 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
1774 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
1775 * function.c (assign_parms): Use INTVAL for a CONST_INT.
1777 2001-01-19 Jason Merrill <jason@redhat.com>
1779 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
1780 for the abstract instance of an inline function.
1782 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
1783 J"orn Rennecke <amylaar@redhat.com>
1785 * reload1.c (move2add_note_store): Treat all registers directly or
1786 indirectly derived from a base register as members of the same set
1788 (reload_cse_move2add): Adjust accordingly. Take mode and offset
1789 of base register into account.
1791 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
1793 * alias.c (find_base_value): Recognize TRUNCATE.
1794 (record_set): In PLUS case, invalidate if other summand is also a
1797 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1799 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
1800 entry to be EXPR_LIST.
1801 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
1802 be an EXPR_LIST (but not null, which other code doesn't allow).
1803 (note_stores): Properly handle PARALLEL in SET.
1804 Recursively call for top-level PARALLEL.
1805 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
1806 * sched-rgn.c (check_live_1, update_live_1): Likewise.
1808 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
1810 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
1812 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
1813 not pfile->skipping (== 0).
1815 2001-01-17 Nick Clifton <nickc@redhat.com>
1817 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
1820 2001-01-17 Jim Wilson <wilson@redhat.com>
1822 * invoke.texi (IA-64 options): Improve.
1824 2001-01-17 Tom Tromey <tromey@redhat.com>
1826 * invoke.texi (Optimize Options): Use `{}' to around @samp
1829 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
1831 * invoke.texi (-fno-guess-branch-probability): New option.
1833 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1835 * combine.c (try_combine): Don't set i3_subst_into_i2 for
1836 case of making new double-word constant.
1837 Revert last change: instead just test i3_subst_into_i2.
1839 2001-01-17 Jakub Jelinek <jakub@redhat.com>
1841 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
1842 Use q constraints instead of r.
1844 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
1846 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
1847 (machine_function): Define.
1848 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
1849 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
1850 pa_free_machine_status): New functions.
1851 (override_options): Set {init,mark,free}_machine_status to above.
1852 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
1853 PIC_OFFSET_TABLE_REGNUM_SAVED.
1854 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
1855 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
1856 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
1857 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
1858 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
1860 2001-01-15 DJ Delorie <dj@redhat.com>
1862 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
1866 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1868 * flow.c (propagate_on_insn): Make trying to delete a prologue
1869 or epilogue insn an ICE, not a warning. Allow doing this if
1870 the current function returns with stack pointer depressed.
1872 * combine.c (try_combine): If i3_subst_into_i2, properly check for
1873 I3 having more than one SET.
1875 2001-01-16 Jim Wilson <wilson@redhat.com>
1877 * invoke.texi: Document IA-64 options.
1879 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
1880 (fixup_errata): Delete TARGET_A_STEP use.
1881 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
1882 (TARGET_SWITCHES): Delete -ma-step option.
1883 * config/ia64/ia64.md (all FP patterns): Delete %B0.
1884 (movqicc_astep, movqi_internal_astep, movhicc_astep,
1885 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
1886 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
1887 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
1888 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
1890 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
1891 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
1892 cmovsi_internal): Delete ! TARGET_A_STEP check.
1894 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1896 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
1897 possibility to report bugs via postal mail. Change a URL and
1898 merge in a nearly duplicate statement...
1899 (Bug Reporting): ...from here.
1900 (Service): Refer to the Bug Reporting section instead of
1902 (Contributing): Remove trivial explanations concerning snapshots.
1904 2001-01-16 Alan Modra <alan@linuxcare.com.au>
1906 * cppmain.c (general_init): Don't use ANSI prototype.
1908 2001-01-16 Tom Tromey <tromey@redhat.com>
1910 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
1912 2001-01-16 Richard Henderson <rth@redhat.com>
1914 * config/i386/i386.h: Fix comment typo.
1915 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
1916 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
1918 2001-01-16 Phil Edwards <pme@sources.redhat.com>
1920 * gcc.c: Revert previous -fsyntax-only-related change; move
1923 2001-01-16 Jakub Jelinek <jakub@redhat.com>
1925 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
1926 inmode after checking GET_CODE (op).
1928 2001-01-16 Richard Henderson <rth@redhat.com>
1930 * flow.c (struct propagate_block_info): Add mem_set_list_len.
1931 (MAX_MEM_SET_LIST_LEN): New.
1932 (propagate_one_insn): Update mem_set_list_len.
1933 (invalidate_mems_from_autoinc): Likewise.
1934 (invalidate_mems_from_set): Likewise.
1935 (mark_used_regs): Likewise.
1936 (init_propagate_block_info): Likewise. Stop collecting memories
1937 when we reach MAX_MEM_SET_LIST_LEN.
1938 (mark_set_1): Likewise.
1940 2001-01-16 Richard Henderson <rth@redhat.com>
1942 * unroll.c (precondition_loop_p): Fail if no iteration
1945 2001-01-16 Phil Edwards <pme@sources.redhat.com>
1947 * gcc.c: When -fsyntax-only is given, do not complain about
1950 2001-01-15 Richard Henderson <rth@redhat.com>
1952 * config/i386/i386.c (asm_output_function_prefix): Remove.
1953 (ix86_asm_file_end): New.
1954 (load_pic_register): Generate pic_label_name into a
1955 staticly allocated buffer.
1956 * config/i386/i386-protos.h: Update.
1957 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
1958 (ASM_FILE_END): New.
1959 * config/i386/i386afe.h: New file.
1960 * config.gcc (i?86-*-elf) [tm_file]: Use it.
1961 (i?86-*-{freebsd,linux*,moss*}): Likewise.
1962 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
1963 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
1964 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
1965 * config/i386/sco5.h (ASM_FILE_END): Likewise.
1966 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
1968 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
1970 * Makefile.in (install-man): Remove explicit dependency on
1973 * configure.in, configure: Revert previous patch requiring perl
1976 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
1978 * toplev.c (flag_guess_branch_prob): New.
1979 (f_options): Add guess-branch-probability option.
1980 (rest_of_decl_compilation): Only estimate branch probability if
1982 (main): set flag_guess_branch_prob.
1984 * flags.h (flag_guess_branch_prob): New.
1986 2001-01-15 DJ Delorie <dj@redhat.com>
1988 * gcc.texi (Makefile): Add documentation for Makefile targets.
1990 2001-01-15 Philip Blundell <philb@gnu.org>
1992 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
1994 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
1995 (is_pic): Delete declaration.
1996 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
1997 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
1998 * config/arm/arm.md (builtin_setjmp_receiver): New.
2000 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
2002 * arm.c (use_return_insn): Don't try to determine the function type
2003 until after reload has completed.
2004 (arm_output_epilogue): Don't adjust the sp value recovered from the
2006 (emit_multi_reg_push): Don't record dwarf information for the pc.
2007 * arm.md (eh_epilogue): The function type may have changed, so it
2008 needs to be recalculated.
2009 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
2010 unwind tables on arm/netbsd.
2012 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
2014 * arm.md (cbranchsi4): Correct calculation of branch ranges.
2015 (negated_cbranchsi4): Likewise.
2017 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
2019 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
2020 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
2021 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
2022 pass -mapcs-* options to assembler.
2023 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
2024 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
2025 (ASM_SPEC): Call subtarget_extra_asm_spec.
2027 2001-01-15 Andreas Jaeger <aj@suse.de>
2029 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
2031 (ix86_expand_builtin): Likewise.
2033 * gencodes.c (output_predicate_decls): Make i size_t to avoid
2034 warning about comparison between signed and unsigned.
2036 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
2038 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
2040 2001-01-14 Ralf Baechle <ralf@gnu.org>
2042 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
2043 SUBTARGET_CPP_SPEC apropriatly.
2045 2001-01-12 Mark Mitchell <mark@codesourcery.com>
2047 * varasm.c (make_decl_rtl): Fix typo in last change.
2049 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
2051 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
2052 linker supports the init_priority C++ attribute.
2053 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
2054 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
2055 linker does not support init_priority C++ attribute.
2057 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
2059 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
2061 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
2063 * c-parse.in (finish_parse): Add comment about cpp_destroy.
2064 * cp/lex.c (finish_parse): Similarly.
2065 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
2066 Return the number of errors encountered.
2067 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
2068 * cppmain.c (main): Don't call cpp_destroy.
2070 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
2072 * configure.in: Require at least perl 5.6.0 to regenerate
2074 * configure: Regenerate.
2076 2001-01-14 Richard Henderson <rth@redhat.com>
2078 * genrecog.c (DT_veclen_ge): New.
2079 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
2080 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
2081 (nodes_identical_1): Handle DT_veclen_ge.
2082 (write_cond, debug_decision_2): Likewise.
2084 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
2086 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
2088 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
2090 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
2092 * cppmain.c (do_preprocessing): New function; most of the old
2094 (main): Call it to do most of the work.
2095 (cb): Move from global scope to set_callbacks ().
2096 (setup_callbacks): Get the callback pointer.
2097 (general_init, printer_init): Clean up code and comments.
2099 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
2101 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
2104 2001-01-14 Kazu Hirata <kazu@hxi.com>
2106 * config/h8300/h8300.c (get_shift_alg): Update comments.
2108 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2110 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
2111 (alloc_page, ggc_alloc): Add casts to remove warnings.
2113 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
2115 * combine.c (simplify_comparison): Don't change `code' when
2116 can't reverse comparison.
2118 2001-01-14 Richard Henderson <rth@redhat.com>
2120 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
2121 update all call sites. Return true for all non-label constants.
2123 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
2125 * i386.c (ix86_expand_compare): Add bypass_test and second_test
2127 (ix86_expand_branch): Update.
2128 (ix86_expand_setcc): Update to handle multiple test conditions.
2129 (expand_int_movcc): Likewise.
2130 (expand_fp_movcc): Likewise.
2131 * i386-protos.h (ix86_expand_compare): New.
2132 * i386.md (andqi_?_slp, orqi_?_slp): New.
2133 (conditional trap expander): Update call to ix86_expand_compare.
2135 2001-01-14 Richard Henderson <rth@redhat.com>
2137 * config/vax/vax.md: Use nonimmediate_operand instead of
2138 general_operand in destinations.
2140 * config/vax/vax.md (indirect_jump): Use register_operand.
2142 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
2143 * config/vax/vax.md (call_pop): Turn into an expander.
2144 (call_value_pop): Likewise.
2145 (call, call_value): New.
2147 2001-01-14 Andreas Jaeger <aj@suse.de>
2149 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
2151 (ix86_fp_compare_mode): Add unused attribute.
2152 (ix86_expand_fp_movcc): Remove unused variable.
2153 (ix86_expand_builtin): Make fcode unsigned.
2155 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
2156 (expand_expr): Add cast to avoid signed warning.
2157 (store_field): Likewise.
2158 (store_constructor_field): Likewise.
2159 (store_constructor): Likewise.
2160 (store_expr): Likewise.
2161 (clear_storage): Likewise.
2162 (emit_group_store): Likewise.
2163 (emit_group_load): Likewise.
2165 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
2167 * c-common.c: Move format checking code to ...
2168 * c-format.c: ... here. New file. Reorder some functions and
2170 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
2172 * c-common.h (decl_handle_format_attribute,
2173 decl_handle_format_arg_attribute): Declare.
2174 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
2175 (c-common.o): Adjust dependencies.
2176 (c-format.o): New list of dependencies.
2178 2001-01-13 Jakub Jelinek <jakub@redhat.com>
2180 * unroll.c (loop_iterations): If we cannot prove iteration variable
2181 is set once in each iteration, punt.
2183 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
2185 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
2186 (*strlenhi): Remove clobber (which was buggy) of output address.
2188 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
2190 * Makefile.in (generated-manpages): Add gcc.1
2191 ($(srcdir)/gcc.1): New target.
2192 (maintainer-clean): Delete $(srcdir)/gcc.1.
2193 * gcc.texi: Add macros @gccoptlist and @gol.
2194 * invoke.texi: Include option summary in manpage. Mark up option
2195 summary with @gccoptlist and @gol. Use @r in one place where
2197 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
2198 * gcc.1: Generate from invoke.texi.
2200 2001-01-13 Richard Henderson <rth@redhat.com>
2202 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
2203 (struct page_entry): Add group member.
2204 (struct page_group): New.
2205 (struct globals): Add page_groups member.
2206 (alloc_anon): Only define for using mmap; remove valloc call.
2207 (page_group_index): New.
2208 (set_page_group_in_use): New.
2209 (clear_page_group_in_use): New.
2210 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
2211 (free_page, release_pages): Likewise.
2212 * configure.in (with-gc): Default to ggc-page always.
2214 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
2216 * reload1.c (replace_pseudos_in_call_usage): Use
2217 reg_equiv_constant and reg_equiv_address, and don't try
2218 regno_reg_rtx first.
2220 2001-01-13 Richard Henderson <rth@redhat.com>
2222 * ggc-page.c (alloc_page): Round up allocation size to one page.
2223 Set e->order on extra pages.
2225 2001-01-13 Richard Henderson <rth@redhat.com>
2227 * genrecog.c (nodes_identical): Expand commentary.
2228 (write_switch): Watch out for identical nodes.
2230 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2232 * cppfiles.c (_cpp_fake_include): New function.
2233 * cpphash.h (_cpp_fake_include): New.
2234 * cpplib.c (do_line): Call _cpp_fake_include when entering
2235 header files in preprocessed input.
2236 * cppmain.c (cb_pragma_implementation): Remove handling.
2237 (setup_callbacks): Don't register pragmas.
2239 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2241 * extend.texi: Udate for CPP.
2243 2001-01-13 Andreas Jaeger <aj@suse.de>
2245 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
2247 * regmove.c: Add prototype for replace_in_call_usage.
2249 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2251 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
2252 struct cpp_chunk, struct htab, struct toklist,
2253 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
2254 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
2255 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
2256 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
2257 (struct macro_args): Delete.
2258 * cpphash.h: See above.
2260 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2262 * cppmain.c (struct printer): Remove no_line_dirs.
2264 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
2265 : Use options rather than CPP_OPTION.
2266 (setup_callbacks): Use cb rather than pfile->cb.
2267 (main): No need to check for a buffer. Use cpp_errors.
2268 (printer_init): Don't set no_line_dirs.
2269 (maybe_print_line): Use options not no_line_dirs.
2270 (cb_file_change): Don't call print_line if -P.
2272 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2274 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
2276 * c-parse.in (finish_parse): Use cpp_errors.
2277 (__yylex): Use return value of cpp_pop_buffer.
2278 * cp/lex.c (finish_parse): Use cpp_errors.
2279 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
2281 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
2283 * README.AVR: URLs corrected.
2285 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2287 * c-decl.c (start_function): Don't warn if old prototype is builtin
2288 that's not in C's namespace.
2289 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
2290 (_bb): Add prototype for ctime.
2291 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
2293 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
2295 * i386.c (ix86_fp_comparison_arithmetics_cost,
2296 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
2297 ix86_fp_comparison_cost): New functions.
2298 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
2299 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
2300 two-branch sequences; make static.
2301 (ix86_use_fcomi_compare): Do decision according to the costs.
2302 (split_fp_branch): New.
2303 * i386.md (compare-and-branch patterns): Use split_fp_branch.
2304 * i386-protos.h (ix86_expand_fp_compare): Remove
2305 (ix86_split_fp_branch): Declare.
2307 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
2308 and ix86_comparison_operator.
2310 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
2313 * i386.c (put_condition_code): Output properly the unordered/ordered
2314 compares in fp case.
2315 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
2317 * tm.texi (REVERSE_CONDITION): Document.
2318 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
2319 in -ffast-math mode.
2320 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
2322 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
2324 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
2326 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
2329 * config/sh/sh.c (mova_p): Fix test for mova_const.
2331 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2333 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
2334 cpp_get_options rather than dereferencing pfile and using
2336 * scan-decls.c (scan_decls): Use return value of
2337 cpp_pop_buffer rather than CPP_BUFFER.
2339 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2341 * cppinit.c (cpp_handle_option): help_only is now part of the
2342 cpp_options structure.
2343 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
2344 cpp_set_callbacks): New functions.
2345 * cpplib.h (cpp_callbacks): Break out as a named structure.
2346 (cpp_options): Move help_only here from cpp_reader.
2347 (CPP_FATAL_ERRORS): Update to use cpp_errors.
2348 (cpp_errors, cpp_get_options, cpp_get_callbacks,
2349 cpp_set_callbacks): New prototypes.
2350 * cppmain.c (main): Update for help_only.
2352 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
2354 * Makefile.in (info, maintainer-clean, install-info, uninstall):
2355 Also build and remove and install and uninstall c-tree.info and
2357 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
2358 ($(srcdir)/cppinternals.info): New target.
2359 * c-tree.texi: Change file name used when makeinfo used without -o
2360 from ir.info to c-tree.info. Add info directory entry.
2361 * cppinternals.texi: Add info directory entry.
2362 * .cvsignore: Update.
2364 2001-01-12 Jakub Jelinek <jakub@redhat.com>
2366 * c-typeck.c (store_init_value): Don't require constant initializer
2367 elements with -pedantic -std=c99.
2368 (digest_init): Change error about non-constant initializer elements
2370 (constructor_range_end): Remove.
2371 (constructor_incremental, designator_depth,
2372 designator_errorneous): New variables.
2373 (struct constructor_stack): Remove range_end, add incremental.
2374 (struct constructor_range_stack, constructor_range_stack): New.
2375 (struct initializer_stack): Add constructor_range_stack.
2376 (finish_init): Set it.
2377 (start_init): Likewise. require_constant_elements for non-static
2378 trees only if not flag_isoc99.
2379 (really_start_incremental_init): Remove constructor_range_end, add
2380 constructor_incremental.
2381 (pop_init_level): Likewise.
2382 (push_init_level): Likewise. If implicit and the subobject had some
2383 value set already, preinitialize the level with it.
2384 Warn about missing braces only if not pushing due to designators.
2385 (set_designator, push_range_stack): New functions.
2386 (set_init_label): Use them.
2387 (set_init_index): Likewise. Remove constructor_range_end.
2388 Error if designator index is outside of array bounds.
2389 (add_pending_init): Compare values of purpose index trees, not the
2390 trees themselves. Allow overwriting of already initialized element.
2391 Issue a warning if it had side-effects.
2392 (set_nonincremental_init, set_nonincremental_init_from_string): New
2394 (pending_init_member): Rename to...
2395 (find_init_member): ...this function. Call set_nonincremental_init
2396 if necessary. Compare values of purpose index trees, not the trees
2397 themselves. Return the actual value, not just non-zero if something
2399 (output_init_element): Remove checks for duplicates.
2400 If field has zero size, only check the initializer for correctness.
2401 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
2402 if constructor_incremental is zero. Change error about initializers
2403 not computable at load time into pedwarn.
2404 (output_pending_init_elements): Compare bit positions, not
2405 FIELD_DECLs to take into account zero-sized fields.
2406 (process_init_element): Use constructor_range_stack to fill all
2407 ranges in the designator lists from current level up.
2408 * extend.texi: Update documentation for labeled elements.
2410 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
2412 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
2413 to function usage for arguments passed by reference. Optimize
2414 callee-copied arguments.
2415 * regmove.c (replace_in_call_usage): New function.
2416 (fixup_match_1): Call it.
2417 * cse.c (cse_insn): Canonicalize registers in function usage.
2418 * reload1.c (replace_pseudos_in_call_usage): New function.
2421 * Makefile.in: Reverted yesterday's wrong patch. Installed the
2424 2001-01-12 Jakub Jelinek <jakub@redhat.com>
2426 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
2429 2001-01-12 DJ Delorie <dj@redhat.com>
2431 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
2432 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
2435 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
2437 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
2438 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
2439 -std options alongside references to -ansi. Update some
2440 documentation for C99.
2441 * cpp.1: Regenerate.
2443 2001-01-12 Andreas Jaeger <aj@suse.de>
2445 * haifa-sched.c (restore_line_notes): Remove argument block B
2447 * sched-ebb.c (schedule_ebb): Change caller.
2448 * sched-rgn.c (schedule_region): Likewise.
2449 * sched-int.h (restore_line_notes): Adjust prototype.
2451 * loop.h: Remove wrong declaration of doloop_condition_get.
2453 2001-01-12 Phil Edwards <pme@sources.redhat.com>
2455 * extend.texi: Move C++-extension-related node from the C section
2456 into the C++ section.
2458 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
2460 * extend.texi: Refer to an array of pointers to functions instead
2461 of one of functions.
2463 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
2464 Jan Hubicka <jh@suse.cz>
2466 * combine.c (reversed_comparison): Fix typo in last patch.
2468 (combine_reversed_comparison_code): Make static to follow
2469 prototype declaration.
2471 2001-01-12 Phil Edwards <pme@sources.redhat.com>
2473 * install.texi: Remove misplaced duplicate entry.
2475 2001-01-11 Ulrich Drepper <drepper@redhat.com>
2477 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
2479 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
2481 * final.c: (leaf_function_p): Fix typo.
2483 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
2485 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
2486 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
2488 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
2489 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
2490 mmap_anon, and valloc is available.
2491 * ggc-page.c: Restructure ifdef logic to match new autoconf
2492 spec. Don't throw away the test page in init_ggc.
2494 * configure, config.in: Regenerate.
2496 2001-01-12 Michael Hayes <mhayes@redhat.com>
2498 * loop.h (total_biv_increment): Constify iv_class pointer.
2499 (struct induction): Replace `mem_mode' with `mem' rtx.
2500 * unroll.c (total_biv_increment): Constify iv_class pointer.
2501 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
2502 (find_mem_givs, combine_givs_p): Likewise.
2503 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
2505 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
2507 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
2509 (__gthread_getspecific): Ditto.
2511 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
2513 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
2514 put_condition_code): Convert fp comparison codes to integer
2516 (ix86_expand_fp_compare): Postnote the fp comparison code converison
2519 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
2520 * i386-protos.h (no_comparison_operator): Kill.
2522 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
2524 * combine.c (REVERSIBLE_CC_MODE): Remove.
2525 (reversible_comparison_p): Remove.
2526 (combine_reversed_comparison_code): New.
2527 (reversed_comparison): New.
2528 (combine_simplify_rtx): Use
2529 combine_reversed_comparison_code/reversed_comparison instead
2530 of reversible_comparison_p.
2531 (simplify_if_then_else): Likewise.
2532 (simplify_set): Likewise.
2533 (simplify_logical): Likewise.
2534 (if_then_else_cond): Likewise.
2535 (known_cond): Likewise.
2536 (simplify_comparison): Likewise.
2538 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
2540 * builtins.c (std_expand_builtin_va_start): Handle varargs when
2541 sizeof (int) is larger than sizeof(__word__).
2543 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
2545 * cppinit.c (do_includes): Fix typo.
2547 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2549 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
2550 in S_REGS does not occur because not all sources are possible
2551 when a S_REGS is a destination (sometimes needs a clobber).
2552 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
2553 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
2554 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
2555 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
2556 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
2557 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
2558 (lshrdi_const1, lshrsi3_const16): Likewise.
2559 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
2560 (*movhi_68hc12, *movqi_68hc12): Likewise.
2561 (movstrictqi): Make sure reloading in D_REGS as a destination
2564 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
2566 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
2568 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
2570 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
2571 -D, -U and -A, and don't initialize the builtins.
2572 (do_includes): Error if -include or -imacros with -fpreprocessed.
2573 * cppmain.c (cb_define, cb_undef): Unconditionally process
2575 * tradcpp.c (main): Fix typo.
2577 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
2579 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
2580 (read_name_map): Use IS_ABSOLUTE_PATH.
2581 * tradcpp.c (get_filename): Likewise.
2583 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2585 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
2586 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
2587 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
2588 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
2589 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
2590 (cmphi_z_used): Don't use '@' for the output.
2591 (tstqi_z_used): Likewise.
2592 (cmpqi_z_used): Likewise.
2593 (one_cmplsi2): Likewise.
2595 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
2597 * config/sh/sh.c (barrier_align): Recognize branch around far
2598 branch and redundant insn.
2600 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
2602 * invoke.texi: Restore documentation of the drivers' switches -MD
2605 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
2607 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
2609 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
2610 check-objc//%): Support parallel testing of multilibs.
2611 (TESTSUITEDIR): Set to testsuite by default, but override for
2613 (check-gcc, check-g++, check-g77, check-objc): Enter
2616 2001-01-11 Bernd Schmidt <bernds@redhat.com>
2618 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
2619 * sched-deps.c (deps_may_trap_p): Likewise.
2620 * basic-block.h: Remove a comment.
2621 * flow.c (PROP_POSTRELOAD): Remove.
2622 (update_life_info): Don't add it to prop_flags.
2623 (mark_set_1): Lose the code that was enabled by it.
2625 2001-01-11 Michael Hayes <mhayes@redhat.com>
2627 * flow.c (flow_call_edges_add): New.
2628 * basic_block.h (flow_call_edges_add): New.
2630 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
2632 * reload1.c (move2add_note_store): Update reg_set_luid even if
2633 base reg remains the same.
2635 2001-01-10 Nick Clifton <nickc@redhat.com>
2637 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
2638 machine_function structure to zero.
2639 Add prototypes for machine_status functions.
2641 2001-01-10 Mark Mitchell <mark@codesourcery.com>
2643 * c-common.h (CTI_VOID_LIST): Remove.
2644 (void_list_node): Likewise.
2645 * tree.h (TI_VOID_LIST_NODE): New enumeral.
2646 (void_list_node): New macro.
2647 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
2648 * config/i386/i386.c (ix86_init_builtins): Likewise.
2649 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
2651 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
2653 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
2654 * cppinit.c (cpp_start_read): Update comment, remove unneeded
2656 * tradcpp.c: Include mkdeps.h.
2657 (deps, print_deps_phony_targets, deps_append, output_deps,
2658 init_dependency_output, output_deps): New.
2659 (deps_buffer, deps_allocated_size, deps_size, deps_column,
2660 deps_output): Delete.
2661 (print_deps_missing_files): Rename deps_missing_files.
2662 (inhibit_output): Make global.
2663 (main): Delete inhibit_output, deps_stream, deps_target.
2664 Use mkdeps functionality in the same way as cpplib. Remove
2665 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
2666 -M and -MM. Remove old handling of deps via deps_out, and
2667 old reading of environment variables.
2668 (get_filename): Update to use deps_add_dep.
2670 2001-01-10 Mark Mitchell <mark@codesourcery.com>
2672 * output.h (make_function_rtl): Remove prototype.
2673 (make_decl_rtl): Likewise.
2674 * varasm.c (make_function_rtl): Remove.
2675 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
2676 than from a third parameter.
2677 * tree.h (make_decl_rtl): Remove last parameter.
2678 * c-decl.c (builtin_function): Remove last argument in call to
2679 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
2680 (start_function): Likewise.
2681 * except.c (call_get_eh_context): Likewise.
2682 * expr.c (emit_block_move): Likewise.
2683 (clear_storage): Likewise.
2684 * profile.c (output_func_start_profiler): Likewise.
2685 * toplev.c (rest_of_decl_compilation): Likewise.
2686 * objc/objc-act.c (create_builtin_decl): Likewise.
2687 (synth_module_prologue): Likewise.
2688 (generate_static_reference): Likewise.
2689 (build_selector_reference_decl): Likewise.
2690 (build_class_reference_decl): Likewise.
2691 (build_objc_string_decl): Likewise.
2692 (build_protocol_reference): Likewise.
2694 2001-01-10 Richard Henderson <rth@redhat.com>
2696 * hwint.h: Revert yesterday's change.
2698 2001-01-10 Nick Clifton <nickc@redhat.com>
2700 * function.h (save_machine_status): Delete.
2701 (restore_machine_status): Delete.
2702 Amend comment describing {init|mark|free}_machine_status.
2704 * function.c (save_machine_status): Delete.
2705 (restore_machine_status): Delete.
2706 Amend comment describing {init|mark|free}_machine_status.
2707 (push_function_context_to): Remove invocation of
2708 save_machine_status.
2709 (pop_function_context_from): Remove invocation of
2710 restore_machine_status.
2712 * emit-rtl.c (init_emit_once): Amend comment describing
2713 {init|mark|free}_machine_status.
2715 * tm.texi (Per-Function Data): New node. Describe the
2716 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
2719 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
2721 * cppinit.c (OPT_g): Remove.
2722 (cpp_handle_option): Update for removed -g3.
2723 (print_help): Update.
2724 * cpplib.h (struct cpp_options): Remove debug_output.
2725 * cppmain.c (setup_callbacks, cb_define): Update.
2726 * gcc.c (cpp_options): Translate -g3 to -dD.
2728 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
2730 * config/i960/i960.md: Change modifier to + on the zero_extract
2731 pattern after the (rotate -2 reg) canonicalization pattern.
2733 2001-01-10 Richard Henderson <rth@redhat.com>
2735 * config/alpha/alpha.c (alpha_free_machine_status): New.
2736 (override_options): Install it.
2737 (alpha_mark_machine_status): Verify machine non-null.
2738 * config/i386/i386.c (ix86_free_machine_status): New.
2739 (override_options): Install it.
2740 (ix86_init_machine_status): Use xcalloc.
2741 (ix86_mark_machine_status): Verify machine non-null.
2742 * config/ia64/ia64.c (ia64_free_machine_status): New.
2743 (ia64_override_options): Install it.
2744 (ia64_mark_machine_status): Verify machine non-null.
2746 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
2748 * function.c (instantiate_virtual_regs): Instantiate virtual
2749 registers found in CALL_INSN_FUNCTION_USAGE.
2751 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
2753 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
2754 equivalent to -ansi in disabling -Di386.
2756 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
2758 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
2760 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
2762 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
2764 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
2766 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
2768 * invoke.texi: Document that -fcond-mismatch isn't supported for
2771 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
2773 * gcc.texi: Define macro gcctabopt.
2774 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
2775 @command, @env and @option in some places where appropriate. Use
2776 @gcctabopt where appropriate. Put URLs and email addresses inside
2779 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
2781 * gcc.c (cpp_options): Set MD file name from output
2782 filename, if specified.
2783 (suffix_subst): New static variable.
2784 (do_spec): Clear it.
2785 (do_spec_1, case '.'): Handle new `%.suffix' spec.
2787 (give_switch): Handle suffix_subst.
2789 2001-01-10 Phil Edwards <pme@sources.redhat.com>
2791 * invoke.texi: Fix another typo.
2793 2001-01-10 Phil Edwards <pme@sources.redhat.com>
2795 * invoke.texi: Fix typo.
2797 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
2799 * c-lang.c (lang_hooks): Update.
2800 (lang_decode_option): Remove.
2801 (lang_init_options): Rename c_init_options.
2802 * toplev.c (main): Use lang_hooks for lang_init_options
2803 and lang_decode_option.
2804 * toplev.h (lang_hooks): Add 2 new hooks.
2805 * tree.h: Remove lang_init_options and lang_decode_option.
2806 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
2807 * cp/decl2.c: Similarly.
2808 * cp/lex.c (lang_init_options): Rename cxx_init_options.
2809 (lang_hooks): Update.
2810 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
2812 (lang_init_options): Rename ffe_init_options.
2813 (lang_hooks): Update.
2814 (lang_decode_option): Remove.
2815 * java/lang.c (lang_init_options): Rename java_init_options.
2816 (lang_decode_option): Rename java_decode_option.
2817 (lang_hooks): Update.
2818 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
2819 (lang_decode_option): Rename objc_decode_option.
2820 (lang_hooks): Update.
2822 2001-01-09 Nick Clifton <nickc@redhat.com>
2824 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
2825 (d30v_return_addr_rtx): Delete.
2826 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
2827 cfun->machine structure.
2828 (struct machine_function): Move to d30v.h
2829 (d30v_save_machine_status): Delete.
2830 (d30v_restore_machine_status): Delete.
2831 (d30v_init_machine_status): New Function.
2832 (d30v_mark_machine_status): New Function.
2833 (d30v_free_machine_status): New Function.
2834 (d30v_init_expanders): Use new functions.
2835 (d30v_return_addr): Use ra_rtx field in cfun->machine.
2836 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
2837 d30v_return_addr_rtx.
2839 * config/d30v/d30v.h (struct_machine): Move here.
2840 Add eh_epilogue_sp_ofs field.
2842 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
2843 field in cfun->machine structure.
2845 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
2847 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
2848 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
2849 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
2851 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
2853 * objc/lang-options.h: Remove bogus reference to
2856 2001-01-09 Kazu Hirata <kazu@hxi.com>
2858 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
2861 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
2863 * reload.c (find_reloads_address): Check for eliminable registers
2864 when substituting a constant expression for a pseudo.
2866 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
2868 * c-common.c (enum format_type): Add format_type_error.
2869 (decode_format_type): New function.
2870 (decl_attributes): Use it.
2871 (format_kind_info): Adjust comment.
2873 2001-01-09 David O'Brien <obrien@BSDi.com>
2875 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
2876 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
2878 * config/i386/gnu.h: Don't include required platform specific .h files,
2879 tm.h will do it instead.
2880 * config/i386/i386elf.h: Likewise.
2881 * config/i386/linux.h: Likewise.
2882 * config/i386/moss.h: Likewise.
2883 * config/mips/gnu.h: Likewise.
2885 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2887 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
2888 (rs6000-ibm-aix3.[01]*): Likewise.
2889 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
2890 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
2891 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
2892 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
2893 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
2894 (powerpc-*-eabiaix*): Likewise.
2895 (powerpc-*-eabisim*): Likewise.
2896 (powerpc-*-elf*): Likewise.
2897 (powerpc-*-eabi*): Likewise.
2898 (powerpc-*-rtems*): Likewise.
2899 (powerpc-*-linux*libc1): Likewise.
2900 (powerpc-*-linux*): Likewise.
2901 (powerpc-wrs-vxworks*): Likewise.
2902 (powerpcle-wrs-vxworks*): Likewise.
2903 (powerpcle-*-sysv*): Likewise.
2904 (powerpcle-*-elf*): Likewise.
2905 (powerpcle-*-eabisim*): Likewise.
2906 (powerpcle-*-eabi*): Likewise.
2907 (powerpcle-*-solaris2*): Likewise.
2908 * config/rs6000/aix31.h: Delete includes.
2909 * config/rs6000/aix3newas.h: Likewise.
2910 * config/rs6000/aix41.h: Likewise.
2911 * config/rs6000/aix43.h: Likewise.
2912 * config/rs6000/beos.h: Likewise.
2913 * config/rs6000/rtems.h: Likewise.
2914 * config/rs6000/sysv4.h: Likewise.
2916 2001-01-09 Kazu Hirata <kazu@hxi.com>
2918 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
2919 Change an argument mode of machine_mode to shift_mode of
2920 shift_mode. Remove an extra error check.
2921 (emit_a_shift): Adopt to the new calling prototype of
2923 (function_prologue): Fix code for a monitor
2924 function. Support H8/S.
2925 (function_epilogue): Do not output pop for a monitor function.
2927 2001-01-09 Nick Clifton <nickc@redhat.com>
2929 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
2930 (setup_incoming_varargs): Use sysv_varargs_p field of the
2931 cfun->machine structure.
2932 (struct machine_function): Move to rs6000.h
2933 (rs6000_save_machine_status): Delete.
2934 (rs6000_restore_machine_status): Delete.
2935 (rs6000_init_machine_status): New Function.
2936 (rs6000_free_machine_status): New Function.
2937 (rs6000_init_expanders): Use new functions.
2939 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
2941 (struct machine_function): Move here.
2943 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
2944 sysv_varargs_p field of the cfun->machine structure.
2946 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
2948 (rs6000_restore_machine_status): Remove prototype.
2950 2001-01-09 Richard Henderson <rth@redhat.com>
2952 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
2953 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
2954 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
2955 (sched_analyze_2, sched_analyze_insn): Likewise.
2956 (sched_analyze, init_deps): Likewise.
2957 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
2958 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
2959 (compute_block_backward_dependences): Update propagate_deps call.
2961 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
2963 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
2965 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
2967 * cppinit.c (OPT_MD, OPT_MMD): Restore.
2968 (cpp_handle_option): Handle them.
2969 (cpp_post_options): Ensure one of -M or -MM is specified with
2970 any other -M? option.
2971 (init_dependency_output): Suppress output with -MG.
2973 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
2976 * invoke.texi: Update.
2978 2001-01-09 Bernd Schmidt <bernds@redhat.com>
2980 * sh.md (reload_outsf): Generate recognizable patterns for
2983 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
2985 * c-lang.c (lang_hooks): Update.
2986 (lang_init): Rename c_init.
2987 (lang_finish): Remove.
2988 * toplev.c (compile_file): Use lang_hooks for lang_init ()
2990 * toplev.h (lang_hooks): Add init () and finish ().
2991 * tree.h (lang_init, lang_finish): Remove.
2992 * cp/tree.h (lang_init, lang_finish): Remove.
2993 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
2994 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
2996 (lang_init, lang_finish): Remove.
2997 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
2998 (lang_hooks): Update.
2999 * java/lang.c (lang_init): Rename java_init.
3000 (lang_finish): Remove.
3001 (lang_hooks): Update.
3002 * objc/objc-act.c (lang_init): Rename objc_init.
3003 (lang_finish): Remove.
3004 (lang_hoooks): Update.
3006 20001-01-09 Graham Stott <grahams@redhat.com>
3008 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
3009 after `ptr` is initialised.
3011 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
3013 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
3014 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
3015 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
3016 stack adjusts, instead of r3.
3018 2001-01-09 Michael Hayes <mhayes@redhat.com>
3020 * flow.c (flow_loop_scan): Break out of ...
3021 (flow_loops_find) ... here.
3022 * basic-block.h (flow_loop_scan): New.
3023 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
3024 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
3026 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
3028 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
3030 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
3031 realloc()ing macro_buffer.
3033 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
3034 if it's wider than long and the target's long is wider than the
3037 2001-01-09 Mark Mitchell <mark@codesourcery.com>
3039 Remove support for using UWIN as a host machine.
3040 * configure.in: Issue an error message.
3041 * configure: Regenerated.
3042 * config.gcc: Remove xm_* UWIN configury.
3043 * config/i386/xm-uwin.h: Remove.
3045 2001-01-08 Nick Clifton <nickc@redhat.com>
3047 * config/v850/v850.c (ra_rtx): Delete.
3048 (v850_save_machine_status): Delete.
3049 (v850_restore_machine_status): Delete.
3050 (v850_init_machine_status): New function.
3051 (v850_mark_machine_status): New function.
3052 (v850_free_machine_status): New function.
3053 (v850_return_addr): Use ra_rtx field in machine structure.
3054 (v850_init_expanders): Use new functions.
3056 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
3057 * config/v850/v850.c: Change arguments to v850_output+* functions
3058 to take a const char *, to avoid compile time warning.
3059 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
3060 (USER_LABEL_PREFIX): Redefine.
3062 2000-01-08 Jim Wilson <wilson@redhat.com>
3064 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
3065 1 to unsigned HOST_WIDE_INT before left shift.
3067 2001-01-08 Nick Clifton <nickc@redhat.com>
3069 * config/arm/arm.c (arm_mark_machine_status): Check to see if
3070 the machine structure has been allocated.
3071 (arm_free_machine_status): New function: Free the machine
3072 specific function structure.
3074 2001-01-08 Richard Henderson <rth@redhat.com>
3076 * jump.c (simplejump_p): Revert last change.
3078 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
3080 * cppinit.c (init): Rename init_library.
3081 (cpp_create_reader): Update.
3082 * gcc.c (cpp_options): If -o given, use it as the target of
3085 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
3087 * arm.c (arm_arch5e): New variable.
3088 (all_cores): XScale is a 5TE device.
3089 (arm_override_options): Set arm_arch5e.
3090 (arm_init_builtins): __builtin_prefetch is in arch5e.
3091 * arm.h (arm_arch5e): Declare it.
3093 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
3095 * arm.md (define_constants): Add defines for UNSPEC and
3096 UNSPEC_VOLATILE insns. Update all users.
3097 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
3098 * arm.c (multi_register_push, note_invalid_constants)
3099 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
3100 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
3101 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
3103 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
3105 * jump.c (jump_optimize_1): Use reversed_comparison_code
3106 instead of can_reverse_comparison_p.
3107 (jump_back_p): Likewise.
3108 (invert_exp_1): Likewise.
3109 (thread_jumps): Likewise.
3110 * simplify-rtx.c (simplify_unary_operation): Likewise.
3111 (simplify_ternary_operation): Likewise.
3112 * cse.c (find_comparison_args): Convert to use
3113 can_reverse_comparison_p.
3114 (record_jump_equiv): Likewise.
3116 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
3118 * arm.h (HARD_REGNO_RENAME_OK): Delete.
3119 (EPILOGUE_USES): Define.
3120 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
3121 automatically stack the LR if it isn't live.
3123 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
3125 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
3128 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
3130 * ggc-page.c (max_alignment): New structure.
3131 (MAX_ALIGNMENT): New macro.
3132 (init_ggc): Use it to round up the sizes in the
3133 extra_order_size_table.
3135 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3137 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
3140 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3142 * builtins.def (BUILT_IN_FPRINTF): New entry.
3144 * c-common.c (c_expand_builtin_fprintf): New function.
3145 (init_function_format_info): Handle __builtin_fprintf.
3146 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
3147 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
3149 * c-decl.c (duplicate_decls): Adjust comment.
3151 * extend.texi (fprintf): Document new builtin.
3153 2001-01-07 Richard Henderson <rth@redhat.com>
3155 * jump.c (simplejump_p): Recognize any single_set jump
3158 2001-01-07 Richard Henderson <rth@redhat.com>
3160 * configure.in (slibdir): Accept an --with-slibdir option.
3161 Use "test" not "[" in configure. Default to $(libdir).
3163 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
3165 * config/t-aix43 (SHLIB_INSTALL): Likewise.
3166 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
3167 (SHLIB_LINK): Create links for the soname.
3168 * config/mips/t-iris6: Likewise.
3169 * config/sparc/t-slibgcc: Likewise.
3170 * config/sparc/t-slibgcc-sld: Likewise.
3172 2001-01-07 Jakub Jelinek <jakub@redhat.com>
3174 * config/i386/i386.c (constant_call_address_operand): Accept
3175 (const (plus (symbol_ref) (const_int))).
3176 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
3177 constant_call_address_operand.
3179 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3181 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
3182 and LONG_LONG_TYPE_SIZE > 32.
3184 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3186 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
3187 the previous change.
3189 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
3191 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
3193 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
3194 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
3195 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
3198 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
3200 * fix-header.c (read_scan_file): s/pfile/scan_in/.
3202 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
3204 * c-lang.c (c_post_options): Call cpp_post_options.
3205 * objc/objc-act.c (objc_post_options): Similarly.
3206 * cppmain.c (main): Similarly.
3207 * fix-header.c (read_scan_file): Similarly.
3208 * cppinit.c (cpp_start_read): Move option consistency checks
3209 to cpp_post_options. Don't call init_dependency_output.
3210 If needed, add default target and main file dependency.
3211 (OPT_MD, OPT_MMD): Remove.
3213 (cpp_handle_option): Update for OPT_* changes.
3214 (cpp_post_options): New.
3215 (init_dependency_output): Command line -MF overrides environment
3216 variables. Don't set default target etc. Suppress output
3217 if dependencies are going to stdout.
3218 (print_help): Update.
3219 * cpplib.h (cpp_post_options): New.
3220 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
3222 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
3224 * jump.c (comparison_dominates_p): Support unordered compares.
3226 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
3228 * simplify-rtx.c (simplify_relational_operation): Always simplify
3229 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
3232 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
3234 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
3235 (nonzero_bits): Likewise.
3236 (simplify_comparison): Likewise.
3237 (num_sign_bit_copies): Likewise; return more sane value depending
3238 on STORE_FLAG_VALUE.
3239 (known_cond): Do not assume EQ to be always true for equivalent
3242 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
3244 * cse.c (fold_rtx): Handle unordered comparisons.
3246 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
3248 * rtlanal.c (set_of_1): New static function.
3249 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
3250 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
3251 reg_set_last_last_regno): Remove.
3252 (set_of): New global function.
3253 (set_of_data): New structure.
3254 (reg_set_p, reg_set_last): Revamp for set_of.
3255 * rtl.h (set_of): New.
3257 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
3259 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
3260 * extend.texi: Document _Exit builtin.
3262 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
3264 * (initialize, initialize_builtins,
3265 initialize_dependency_output, initialize_standard_includes):
3266 Rename s/initialize/init. Update.
3267 (init_dependency_output): Move to after
3268 cpp_handle_options, the correct location temporally at least.
3269 (opt_comp): Move next to init (), its caller. Fix prototype.
3270 (init): Make "initialized" local scope.
3271 (cpp_create_reader): Always call init ().
3272 (cpp_start_read): Update.
3273 (output_deps): New function, broken out of cpp_finish.
3274 (cpp_finish): Break out output_deps.
3276 2001-01-07 Richard Henderson <rth@redhat.com>
3278 * collect2.c (COFF specific stuff): Revert 12-06 patch
3279 to prototype system functions.
3281 2001-01-07 Michael Hayes <mhayes@redhat.com>
3283 * hard-reg-set.h: Add multiple include guard.
3284 * basic-block.h (struct loop): Add `sink' field.
3285 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
3286 (emit_iv_add_mult): Delete.
3287 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
3288 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
3289 (unroll_loop): Remove end_insert_before argument.
3290 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
3291 (maybe_eliminate_biv_1): Likewise.
3292 (emit_iv_add_mult): Delete.
3293 (gen_add_mult, loop_regs_update): New.
3294 (loop_insn_emit_after, loop_insn_emit_before): New.
3295 (loop_insn_sink, loop_insn_sink_or_swim): New.
3296 (emit_iv_add_mult): Delete.
3297 (scan_loop): Set loop->sink.
3298 (loop_givs_reduce): Use loop_insn_sink and its ilk.
3299 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
3300 (maybe_eliminate_biv_1): Likewise.
3301 (maybe_eliminate_biv_1): Add basic block argument.
3302 * unroll.c (unroll_loop): Remove end_insert_before argument.
3303 (find_splittable_regs): Likewise.
3304 (find_splittable_regs): Use loop_insn_sink and its ilk.
3305 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
3307 2001-01-07 Michael Hayes <mhayes@redhat.com>
3309 * loop.h (loop_insn_hoist): New prototype.
3310 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
3311 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
3312 (check_dbra_loop, load_mems): Likewise.
3313 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
3314 (find_splittable_givs): Likewise.
3316 2001-01-07 Michael Hayes <mhayes@redhat.com>
3318 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
3320 2001-01-07 Richard Henderson <rth@redhat.com>
3322 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
3324 2001-01-07 Richard Henderson <rth@redhat.com>
3326 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
3327 NO_SHARED_LIBGCC_MULTILIB as required for the target.
3328 * gcc.c (init_spec): Massage the existing libgcc_spec into a
3329 variant that handles a shared libgcc.
3330 (process_command): Always validate -{static,shared}-libgcc.
3331 (do_spec_1): New 'M' case.
3332 * invoke.text (Link Options): Document -{static,shared}-libgcc.
3334 2001-01-07 Richard Henderson <rth@redhat.com>
3336 * Makefile.in (slibdir): New variable.
3337 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
3338 (installdirs): Create slibdir.
3339 (install-libgcc, install-multilib): Defer to libgcc.mk.
3340 * configure.in (slibdir): Substitute.
3341 * mklibgcc.in (install): New target.
3343 * config/t-linux (SHLIB_LINK): Create links for the soname.
3344 (SHLIB_INSTALL): New.
3345 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
3346 * config/mips/t-iris6 (SHLIB_INSTALL): New.
3347 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
3348 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
3349 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
3351 2001-01-07 Richard Henderson <rth@redhat.com>
3353 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
3354 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
3355 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
3357 2001-01-07 Michael Hayes <mhayes@redhat.com>
3359 * loop.c (count_loop_regs_set): Delete.
3360 (load_mems_and_recount_loop_regs_set): Delete.
3361 (loop_regs_scan): Merge common code from count_loop_regs_set,
3362 scan_loop, and load_mems_and_recount_loop_regs_set.
3363 (scan_loop): Call load_mems directly and loop_regs_scan
3364 again if new registers created.
3366 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
3368 * toplev.c (main): Call the front-end specific post_options
3369 hook if one is given.
3370 * toplev.h (struct_lang_hooks, lang_hooks): New.
3371 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
3372 for the C front end.
3373 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
3374 lang_hooks for the C++ front end.
3375 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
3376 lang_hooks for the ObjC front end.
3377 * f/com.c (lang_hooks): Hooks for the Fortran front end.
3378 * java/lang.c (lang_hooks): Hooks for the Java front end.
3380 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
3382 * c-lex.c (init_c_lex): Request #define / #undef callbacks
3383 for verbose DWARF[2] debugging.
3384 (cb_define, cb_undef): The new callbacks.
3385 * toplev.h (debug_define, debug_undef): Make const correct.
3386 * toplev.c (debug_define, debug_undef): Similarly. Do not
3387 perform the verbosity tests here anymore.
3389 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
3391 * reload.c (subst_reloads): Take INSN argument. When
3392 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
3393 * reload.h (subst_reloads): Adjust prototype.
3394 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
3395 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
3396 present in JUMP_INSNs and copy them to JUMP_LABEL.
3397 * flow.c (find_label_refs, find_basic_blocks_1): Skip
3398 JUMP_INSNs and insns with REG_LABELs that are followed by
3399 JUMP_INSNs with the same REG_LABEL.
3400 * sched-rgn.c (is_cfg_nonregular): Likewise.
3401 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
3403 * unroll.c (unroll_loop): Look for REG_LABEL notes in
3405 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
3407 2001-01-06 Richard Henderson <rth@redhat.com>
3409 * loop.c (scan_loop): Use xcalloc for the regs array.
3410 (load_mems_and_recount_loop_regs_set): Zero the new memory
3411 received from xrealloc.
3413 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
3415 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
3417 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
3419 * integrate.c (copy_rtx_and_substitute): When copying
3420 an ignored return value, strip REG_FUNCTION_VALUE_P.
3422 2001-01-06 Michael Hayes <mhayes@redhat.com>
3424 * loop.c (debug_biv, debug_giv): New.
3425 (loop_biv_dump): Break out from ...
3426 (record_biv): ... here.
3427 (loop_giv_dump): Break out from ...
3428 (record_giv): ... here.
3429 (loop_bivs_check): Use print_simple_rtl.
3430 * unroll.c (loop_iterations): Use print_simple_rtl.
3432 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
3434 * pa.md (return, return_internal): Modify patterns to prevent regrename
3435 mucking with the return pointer.
3437 2001-01-05 Richard Henderson <rth@redhat.com>
3439 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
3441 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
3443 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
3444 version supplied by Matteo Frigo.
3446 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
3448 * cpp.texi: Update for -MQ.
3449 * cppinit.c (cpp_create_reader): Always create pfile->deps.
3450 (cpp_cleanup): Always free pfile->deps.
3451 (initialize_dependency_output): Don't create pfile->deps.
3452 (cpp_handle_option): Similarly.
3454 * gcc.c (cpp_options): Handle -MQ.
3455 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
3456 * mkdeps.c (base_name): Remove.
3457 (deps_init): Don't allocate vector space until it's needed.
3458 (deps_free): Only free vectors if allocated.
3459 (deps_add_target, deps_add_dep): Update for initial allocation.
3460 (deps_add_default_target): Don't strip to the base_name.
3462 2001-01-05 DJ Delorie <dj@redhat.com>
3464 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
3465 (INIT_EXPANDERS): Define.
3467 * config/v850/v850.c (struct machine_function): Define.
3468 (v850_save_machine_status): New function.
3469 (v850_restore_machine_status): New function.
3470 (v850_return_addr): New function.
3471 (v850_init_expanders): New function.
3473 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
3474 and v850_init_expanders.
3476 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
3478 * cpplib.h (struct cpp_reader): Add help_only field.
3479 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
3480 (cpp_handle_option): Set pfile->help_only if we see -h,
3481 --help, -target-help, or --version. Print version string but
3482 do not set help_only if we see -v or -version. Make text
3483 printed by -v match that printed by (-)-version.
3485 * cppmain.c (main): Exit after option parsing if
3486 pfile->help_only is true.
3488 * toplev.c (independent_decode_option): Call print_version,
3489 then exit, if we see --version (but not -version).
3490 (print_version): Split lengthy message into two lines.
3492 2001-01-05 Nick Clifton <nickc@redhat.com>
3494 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
3495 temporary string for initialisation before calling ggc_alloc_string.
3497 2001-01-06 Michael Hayes <mhayes@redhat.com>
3499 * rtl.h (print_simple_rtl): New.
3500 * print-rtl.c (print_simple_rtl): New.
3502 (print_rtx): Disable printing of flags and modes, etc.,
3503 if `flag_simple` nonzero.
3505 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
3507 * function.c (fixup_var_refs): Use push_to_full_sequence where
3510 2001-01-05 Michael Meissner <meissner@redhat.com>
3512 * flags.h (flag_reorder_blocks): Add declaration.
3513 (flag_rename_block): Ditto.
3515 2001-01-05 DJ Delorie <dj@redhat.com>
3517 * function.c (reorder_blocks): Make sure the flags are all reset
3518 before using them to mark blocks, else a second invocation will
3519 corrupt the block chain.
3520 (reorder_blocks_0): New, resets the flags.
3522 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
3524 * cse.c (find_comparison_args): Stop if the argument is known to
3527 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
3529 * config/sh/sh.md (movdf): When splitting load into pair of
3530 registers, don't clobber the register used in the address too
3533 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
3535 * varasm.c (mark_constant_pool): Improve initial comments.
3536 (mark_constants): Move marking of constants to mark_constant.
3537 (mark_constant): New function to recursively mark all constants
3538 referred to by a constant.
3540 2001-01-05 Catherine Moore <clm@redhat.com>
3542 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
3544 2001-01-05 Phil Edwards <pme@sources.redhat.com>
3546 * cp/lang-options.h: Bring comment in line with reality.
3547 * f/lang-options.h: Likewise.
3548 * java/lang-options.h: Likewise.
3549 * objc/lang-options.h: Likewise.
3550 * ch/lang-options.h: Likewise.
3551 * f/g77.texi: And update the manual.
3553 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
3554 Denis Chertykov <denisc@overta.ru>
3556 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
3557 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
3558 * config/avr/avr.md (all peepholes that request a scratch register):
3559 Call it, FAIL the peephole if not safe (in interrupt functions).
3561 2001-01-05 Mark Mitchell <mark@codesourcery.com>
3563 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
3565 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
3567 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
3569 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
3570 BUILT_IN_CREAL and BUILT_IN_CIMAG.
3571 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
3572 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
3573 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
3575 * extend.texi: Document these builtins.
3577 2001-01-05 Daniel Berlin <dberlin@redhat.com>
3579 * c-common.c (lang_get_alias_set): Say we know nothing of
3580 VECTOR_TYPE aliasing.
3582 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
3584 2001-01-05 Bruce Korb <bkorb@gnu.org>
3586 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
3587 their x* equivalent versions for atexit-less systems
3588 * fixinc/fixincl.c(main): do not return from main() on atexit-less
3589 systems (or any other system any more).
3591 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
3593 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
3594 output operands. Use arm_hard_register_operand for operand 4.
3595 (stmsi_postinc): Similarly.
3596 (ldmsi): Use arm_hard_register_operand for opernand 2.
3598 * arm.c (arm_hard_register_operand): New function.
3599 * arm-protos.h (arm_hard_register_operand): Prototype it.
3601 * arm.h (HARD_REGNO_RENAME_OK): Define.
3603 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
3605 * simplify-rtx.c (cfc_args): add "unordered" field.
3606 (check_fold_consts): Set unordered field.
3607 (simplify_relational_operation): Simplify the unordered
3610 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
3613 * emit-rtl.c (try_split): Fix code to mark labels.
3614 * jump.c (mark_jump_label): Make global.
3615 * rtl.h (mark_jump_label): Declare.
3617 * predict.c (estimate_probability): Handle unordred comparisons.
3619 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
3621 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
3622 * cppinit.c (initialize_dependency_output): Update.
3623 (cpp_finish): Output dummy targets for -MP.
3625 (cpp_handle_option): Handle -MP. Don't quote -MT options.
3626 * cpplib.h (struct cpp_options): Add deps_phony_targets.
3627 * gcc.c (cpp_options): Update to handle -MP.
3628 * mkdeps.c (deps_add_target, deps_add_default_target): Update
3629 to quote only the default target.
3630 (deps_phony_targets): Insert a preceding newline. Rename from
3631 deps_dummy_targets for consistency.
3634 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
3636 * calls.c (emit_library_call_value_1): Support
3637 INIT_CUMULATIVE_LIBCALL_ARGS.
3638 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
3640 2001-01-04 Richard Henderson <rth@redhat.com>
3642 * c-decl.c (finish_struct): Detect flexible array members
3643 used in an inappropriate context.
3644 * c-typeck.c (really_start_incremental_init): Special case
3645 constructor_max_index for zero length arrays.
3646 (pop_init_level): Allow initialization of flexible array
3647 members. Deprecate initialization of zero length arrays.
3648 Don't issue missing initializer warning for flexible array
3649 members or zero length arrays.
3650 (process_init_element): Don't dereference null DECL_SIZE.
3651 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
3652 Don't abort for empty constructors. Use size_binop
3653 (output_constructor): Add commentary regarding zero length
3654 array futures. Abort if we try to initialize an array of
3655 unspecified length with a non-empty constructor in the middle
3658 * extend.texi (Zero Length): Update and clarify documentation
3659 on static initialization.
3661 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3663 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
3664 with more than 32767 words of local storage.
3666 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3668 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
3669 for 'abs', 'labs', and 'fabs'.
3670 (c4x_expand_builtin): Likewise.
3671 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
3673 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
3675 * config/sh/sh.md (prget, prset): New insn types.
3676 (return delay slot): Dont' allow prset.
3677 (call, sfunc delay slot): Don't allow prget.
3678 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
3679 for prset and prget.
3681 2001-01-05 Michael Hayes <mhayes@redhat.com>
3683 * loop.h (struct loop_reg): New.
3684 (struct loop_regs): Change to use array of `struct loop_reg'.
3685 * loop.c: Replace assortment of varrays with single regs array.
3686 (count_one_set): Delete may_not_move array argument
3687 and use regs array instead. All caller's changed.
3688 (count_loop_regs_set): Delete may_not_move and single_usage
3689 arguments and use regs array instead. All caller's changed.
3690 (find_single_use_in_loop): Replace usage array argument with pointer
3691 to regs structure. All caller's changed.
3692 (loop_optimize): Delete `moved_once' array.
3694 2001-01-05 Michael Hayes <mhayes@redhat.com>
3696 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
3697 Use it instead of loop_info->has_call for scanning loop mems.
3698 (check_dbra_loop): Replace loop_info->has_call test with
3699 loop_info->has_nonconst_call.
3701 2000-01-04 Matthew Hiller <hiller@redhat.com>
3703 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
3706 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
3708 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
3709 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
3711 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
3713 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
3714 (flag_short_double, flag_short_wchar): Define.
3715 (c_common_nodes_and_builtins): Create many tree nodes shared
3716 between C and C++ here instead of in cp/decl.c and ...
3717 * c-decl.c (init_decl_processing): ... here.
3718 (SIZE_TYPE, WCHAR_TYPE): Don't define.
3719 (flag_short_double, flag_short_wchar): Don't define.
3720 (record_builtin_type): New function.
3721 (build_void_list_node): New function.
3722 * c-common.h (flag_short_double, flag_short_wchar,
3723 record_builtin_type, build_void_list_node): Declare.
3725 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
3727 * integrate.c (expand_inline_function): Don't put a virtual
3728 register into the reg map.
3730 * function.c (fixup_var_refs_1): If force_operand didn't put
3731 the address into the target, move it there.
3733 2001-01-04 Mark Mitchell <mark@codesourcery.com>
3735 Special-case tree_decl/tree_list allocations.
3736 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
3737 (OBJECT_SIZE): New macro.
3738 (NUM_EXTRA_ORDER): Likewise.
3739 (extra_order_size_table): New variable.
3740 (NUM_ORDERS): New macro.
3741 (objects_per_page_table): New variable.
3742 (object_size_table): New variable.
3743 (G.pages): Use NUM_ORDERS to bound the array.
3744 (G.page_tails): Likewise.
3745 (DIV_ROUND_UP): Remove.
3746 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
3747 (alloc_page): Use OBJECT_SIZE.
3748 (size_lookup): Don't make it const.
3749 (ggc_alloc): Use OBJECT_SIZE.
3750 (ggc_set_mark): Likewise.
3751 (ggc_get_size): Likewise.
3752 (init_ggc): Set up the object_size_table, objects_per_page_table,
3753 and adjust size_lookup.
3754 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
3755 (ggc_pop_context): Use NUM_ORDERS.
3756 (clear_marks): Likewise.
3757 (sweep_pages): Likewise.
3758 (poison_pages): Likewise.
3759 (ggc_print_statistics): Use OBJECT_SIZE.
3761 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3763 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
3764 Only call array_size_for_constructor if last field and array type
3765 with no upper bound.
3767 2001-01-04 Philip Blundell <philb@gnu.org>
3769 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
3770 from bit 31 downwards, if this requires no more insns.
3771 (count_insns_for_constant): New helper function for above.
3773 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
3775 * gencodes.c (output_predicate_decls): Remove empty initializer.
3777 2001-01-04 Mark Mitchell <mark@codesourcery.com>
3779 * tree.c (copy_node): Remove documentation about obstacks.
3780 (buidl1): Check that nobody tries to build 2-argument nodes this
3783 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3785 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
3788 * gencodes.c (output_predicate_decls): Fill empty initializer
3791 2001-01-04 Jakub Jelinek <jakub@redhat.com>
3793 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
3794 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
3796 (do_include): Handle missing headers like cpp0.
3797 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
3798 paths with first include pathname. Don't strcat to uninitialized
3801 2001-01-04 Bernd Schmidt <bernds@redhat.com>
3803 * regrename.c (regrename_optimize): Don't rename from frame pointer
3804 if frame_pointer_needed.
3805 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
3806 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
3807 (ia64_reorg): Use it instead of scheduling if ! optimize.
3808 (errata_emit_nops): Properly call asm_noperands.
3809 (ia64_sched_reorder): Finish cycle if we see an asm.
3810 (ia64_variable_issue): Clear scheduling state after asms.
3812 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
3814 * cpp.texi: Update for -MT.
3815 * cppinit.c (initialize_dependency_output): Add a default
3816 target if none has been given already.
3817 (no_tgt, OPT_MT): New.
3818 (cpp_handle_option): Handle -MT. Update -M etc.
3819 * cpplib.h (struct cpp_options): Remove deps_target.
3820 * gcc.c (cpp_options): Handle -MT.
3821 * mkdeps.c (struct deps): Move from mkdeps.h.
3822 (deps_calc_target): Rename deps_add_default_target. Add a
3823 default target if none has been specified already.
3824 * mkdeps.h (struct deps): Move to mkdeps.c.
3825 (deps_calc_target): Rename deps_add_default_target.
3827 2000-01-03 Richard Henderson <rth@redhat.com>
3829 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
3831 * c-typeck.c (push_init_level): Move checks for flexible array
3832 members and zero length arrays ...
3833 (pop_init_level): ... here. Silently discard empty initializations.
3835 * varasm.c (output_constructor): Update for sizeof change to
3838 * extend.texi (Zero Length): Clarify semantics.
3840 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
3842 * configure.in (tm.h): Include isns-codes.h last.
3843 * configure: Rebuilt.
3845 2001-01-03 Richard Henderson <rth@redhat.com>
3847 * config/alpha/alpha.md (addvsi3, addvdi3): New.
3848 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
3850 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3852 * tradcpp.c (main): Make sure finclude() is called with a valid
3853 indepth value while handling -include.
3855 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
3857 * gencodes.c (output_predicate_decls): New function.
3859 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
3860 even if it is not the first time machmode.h is #included.
3861 * config/sh/sh.c (fpul_operand): Declare MODE argument.
3862 * tm.texi (PREDICATE_CODES): Document predicate declarations.
3863 * gcc.texi (Copyright): Added 2001.
3865 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
3867 * c-common.c (c_common_lang_init): New function. Warn if format
3868 warning options which only have effects when used with -Wformat
3869 are used without -Wformat.
3870 * c-common.h (c_common_lang_init): Declare.
3871 * c-lang.c (lang_init): Call c_common_lang_init.
3872 * objc/objc-act.c (lang_init): Call c_common_lang_init.
3874 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
3876 * configure.in: Check for the mktemp command.
3877 * configure: Regenerate.
3878 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
3879 $TEMP. Create temporary files with mktemp, if available at
3880 configure time; otherwise use set -C. Remove temporary files
3883 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
3885 * configure.in: Require at least texinfo 4.0. Check for whether
3886 Pod::Man is sufficiently recent to regenerate GCC manpages.
3887 * configure: Regenerate.
3888 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
3890 (GENERATED_MANPAGES): Define.
3891 (generated-manpages): New target. Depend on cpp.1 as well as
3893 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
3894 configure to generated-manpages or empty) rather than on the
3895 manpages directly. Remove execute permission from installed
3896 gcov.1 as well as cpp.1.
3897 * cpp.1, gcov.1: Regenerate.
3899 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3901 * builtins.c (expand_builtin_strncmp): Use host_integerp and
3902 tree_low_cst. Allow using cmpstrsi in more cases.
3904 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3906 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
3909 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
3911 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
3912 * Makefile.in (HOST_CFLAGS): Mention build-make.
3914 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3916 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
3919 2001-01-01 Bernd Schmidt <bernds@redhat.com>
3921 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
3924 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
3927 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
3928 reg_base_value and reg_known_value arrays.
3929 (init_alias_analysis): Add more cases to detect known values.
3930 * sched-deps.c (deps_may_trap_p): New function.
3931 (sched_analyze_2): Use it.
3933 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
3935 * combine.c (simplify_shift_const): Even if we're sign-extracting,
3936 don't discard an ASHIFTRT if we're shifting in a wider mode.
3938 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
3940 * toplev.c (rest_of_compilation): Don't print basic block information
3941 when CFG isn't up to date.
3943 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
3945 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
3946 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
3947 (UNALIGNED_SHORT_ASM_OP): Define.
3948 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
3950 2001-01-02 Mark Mitchell <mark@codesourcery.com>
3952 * fold-const.c (fold_convert): Fix typo.
3954 2001-01-02 Richard Henderson <rth@redhat.com>
3956 * c-common.h (ASM_INPUT_P): New.
3957 * c-parse.in (asm): Set it when needed.
3958 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
3959 existance of an operand.
3961 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
3963 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
3964 (dwarf2out_frame_debug_expr): Likewise.
3965 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
3967 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
3969 * i386.c (ix86_split_to_parts): Return number of part required;
3971 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
3973 (ix86_split_long_move): Use number of part returned
3974 by ix86_split_to_parts
3975 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
3977 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
3978 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
3979 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
3980 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
3981 (ALIGN_MODE_128): Add TFmode.
3982 (IS_STACK_MODE): Likewise.
3983 (HARD_REGNO_NREGS): TFmode needs 3 registers.
3984 (HARD_REGNO_OK): Support TFmodes.
3985 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
3986 * i386.md (scheduler definitions): Use memory operand to determine
3987 fst/fld instructions; use mode attribute to determine real mode of
3989 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
3990 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
3992 2001-01-02 Mark Mitchell <mark@codesourcery.com>
3994 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
3996 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
3998 * expr.c (store_constructor_field): Update ALIGN before calling
4001 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
4003 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
4006 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
4008 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
4011 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
4013 * c-decl.c (start_function): Don't warn on third parameter to main.
4015 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4017 * tsystem.h: Define HAVE_DECL_GETOPT.
4019 2001-01-02 Philip Blundell <pb@futuretv.com>
4021 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
4024 2001-01-02 Richard Henderson <rth@redhat.com>
4026 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
4028 2001-01-02 Andreas Jaeger <aj@suse.de>
4030 * c-decl.c (c_decode_option): Remove support of
4033 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
4034 (W_options): Add -Wmissing-noreturn here.
4036 * flow.c: Define lang_missing_noreturn_ok_p.
4037 (check_function_return_warnings): Use it.
4039 * c-common.h: Declare lang_missing_noreturn_ok_p.
4041 * c-lang.c (c_missing_noreturn_ok_p): New function.
4042 (lang_init): Set lang_missing_noreturn_ok_p.
4044 * invoke.texi (Warning Options): Document this.
4046 2000-12-27 Phil Edwards <pme@sources.redhat.com>
4048 * extend.texi (C++ Extensions): New node for C++ attributes;
4049 describe init_priority and com_interface.
4050 * invoke.texi: Remove -finit-priority as it now has zero effect.
4051 * install.texi: Fix xref syntax.
4052 * md.texi: Likewise.
4054 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4056 * config.gcc (sparc64-wrs-vxworks*): New case.
4057 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
4059 * config/sparc/sparc.c (sparc_override_options): Do support different
4060 pointer and architecture size.
4061 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
4062 (POINTERS_EXTEND_UNSIGNED): Define.
4063 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
4064 (FUNCTION_MODE): Define to be Pmode.
4065 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
4067 * function.c (expand_function_end): Properly handle DECL_RESULT
4068 and copy when ptr_mode != Pmode.
4069 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
4071 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4073 * c-common.c (c_common_nodes_and_builtins): Set prototype
4074 parameters for __builtin_fputs, __builtin_fputc and
4075 __builtin_fwrite. Don't declare plain fputc as a builtin.
4077 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
4079 * loop.c (add_label_notes): Increment the label usage count when
4080 a note is added to an insn which refers to a CODE_LABEL.
4081 * gcse.c (add_label_notes): Likewise.
4083 2001-01-01 Andreas Jaeger <aj@suse.de>
4085 * loop.c (scan_loop): Use xmalloc to allocate movables.
4087 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
4089 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
4090 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
4091 * reload1.c (REGISTER_MOVE_COST): Likewise.
4092 * regclass.c (REGISTER_MOVE_COST): Likewise.
4093 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
4094 dimension. Adjust all users.
4095 (init_reg_sets_1): Iterate on all modes.
4096 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
4097 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
4098 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
4099 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
4100 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
4101 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
4102 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
4103 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
4104 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
4105 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
4106 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
4107 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
4108 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
4109 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
4110 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
4111 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
4112 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
4113 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
4114 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
4115 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
4116 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
4117 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
4118 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
4119 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
4120 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
4121 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
4122 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
4124 2001-01-01 Bernd Schmidt <bernds@redhat.com>
4126 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
4127 arg VARIES_P. Call it with extra arg.
4128 (true_dependence): Likewise.
4129 * rtl.h (rtx_addr_can_trap_p): Declare.
4130 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
4132 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
4133 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
4134 pic offset table register if it's zero. All callers changed.
4135 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
4137 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4139 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
4140 STRING_POOL_ADDRESS_P.
4142 * config/sparc/sparc.c (input_operand): Properly test for short op.
4144 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
4145 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
4146 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
4147 * config/sparc/elf.h: No longer include sol2.h.
4148 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
4149 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
4151 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
4153 2001-01-01 Michael Hayes <mhayes@redhat.com>
4155 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
4156 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
4157 (record_initial): Likewise.
4158 * unroll.c (copy_loop_body, loop_iterations): Likewise.
4159 (remap_split_bivs): Likewise.
4161 2001-01-01 Michael Hayes <mhayes@redhat.com>
4163 * loop.c (loop_ivs_free): New function.
4164 (strength_reduce): Break out from...
4166 2001-01-01 Michael Hayes <mhayes@redhat.com>
4168 * loop.h (struct iv): New.
4169 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
4170 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
4171 'reg_biv_class' fields with 'regs' and 'n_regs'.
4172 (struct ivs): Rename 'loop_iv_list' field to 'list'.
4173 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
4174 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
4176 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
4178 * resource.c (mark_referenced_resources): Abort() before
4179 attempting to mark a pseudo register.
4180 (mark_set_resources): Likewise.
4182 2001-01-01 Michael Hayes <mhayes@redhat.com>
4184 * loop.h (REG_IV_CLASS): New accessor macro.
4185 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
4186 * unroll.c (REG_IV_CLASS): Likewise.
4188 See ChangeLog.4 for earlier changes.