1 2006-12-04 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
3 * config/spu/spu-protos.c (spu_split_address): Add.
4 * config/spu/spu.c (spu_split_address): Add.
5 (print_operand): Handle HIGH.
6 (spu_legitimate_address): Don't test for aligned CONST.
7 (spu_expand_mov): Don't split addresses here.
8 * config/spu/constraints.md (A): Don't test legitimate_const.
9 * config/spu/spu.md: Add split of movsi patterns for PIC mode.
10 (ceq_di): Use correct predicates.
12 2006-12-04 Eric Christopher <echristo@apple.com>
14 * config/darwin.h: Update copyright notice.
15 * config/i386/darwin.h: Ditto.
17 2006-12-04 Jan Hubicka <jh@suse.cz>
19 * builtins.c (fold_builtin_memory_op): Check that expr_size match.
20 * explow.c (expr_size, int_expr_size): Assert that size is non_NULL.
22 2006-12-04 Daniel Berlin <dberlin@dberlin.org>
24 * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Call
26 * tree-ssa-structalias.c (set_used_smts): Export.
27 (find_what_p_points_to): Don't call set_used_smts here.
28 * tree-ssa-structalias.h (set_used_smts): Add prototype.
30 2006-12-04 Daniel Berlin <dberlin@dberlin.org>
32 * tree-ssa-alias.c (compute_may_aliases):
33 Compute flow sensitive before flow insensitive.
34 (compute_flow_sensitive_aliasing): Don't try to add
35 a symbol memory tag to itself.
37 * alias.h (alias_set_subset_of): New prototype.
39 * alias.c (alias_set_subset_of): New function.
41 * tree-ssa-structalias.c: Update comments.
42 (struct variable_info): Add finished_solution.
43 (new_varinfo): Set finished solution to NULL.
44 (var_escaped_vars): Remove.
45 (escaped_vars_tree): Remove.
46 (escaped_vars_id): Remove.
47 (nonlocal_vars_id): Remove.
48 (constraint_expr_type): Add INCLUDES.
49 (graph_size): Removed.
50 (dump_constraint): Support INCLUDES.
51 (build_constraint_graph): Ditto.
52 (collapse_nodes): Add merge_solutions argument.
53 Don't merge attributes.
54 (process_unification_queue): Just use collapse_nodes.
55 (perform_var_substitution): Update call to collapse_nodes.
56 (get_constraint_exp_from_ssa_var): Use INCLUDES.
57 (process_constraint): Fix non-field sensitive handling
59 (get_constraint_for): Use INCLUDES.
60 (make_constraint_from_anything): Renamed from
61 make_constraint_from_escaped.
62 (make_constraint_to_escaped): Removed.
63 (find_global_initializers): Removed.
64 (create_variable_info_for): Do not make constraints to escaped
66 (dump_solution_for_var): Don't print out the equivalent points-to
67 sets, just use the name of the variable it shares it with.
68 (intra_create_variable_infos): Use INCLUDES.
69 Change nonlocal variable sets to anything sets.
70 (init_base_vars): Remove escaped_vars and nonlocal_var
72 (find_escape_constraints): Removed.
73 (delete_points_to_sets): Remove dead code.
74 (used_smt_calculated): New variable.
75 (set_used_smts): New function.
76 (merge_smts_into): New function.
77 (find_what_p_points_to): Modify to use SMTs.
78 (create_nonlocal_var): Remove.
80 * tree-ssa-operands.c (access_can_touch_variable): Remove
81 reference to nonlocal_all.
83 * tree-ssa.c (verify_name_tags): Remove.
85 2006-12-04 Carlos O'Donell <carlos@codesourcery.com>
87 * config/arm/unwind-arm.c: Adjust __cxa_type_match declaration.
88 (__gnu_unwind_pr_common): Pass is_reference to __cxa_type_match.
90 2006-12-04 Andrew MacLeod <amacleod@redhat.com>
92 * tree-outof-ssa.c (coalesce_ssa_name): Use calculate_live_ranges.
93 * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info): Update.
94 (add_livein_if_notdef): Delete.
95 (loe_visit_block): New. Propogate live on entry info for a block into
96 each predecessor. If it changes, make sure it is visited again.
97 (live_worklist): Visit every block and update the live on entry info
98 for preds. Iterate over any that changed.
99 (set_var_live_on_entry): Populate the live on entry blocks with bits
100 based on the immediate uses of a var.
101 (calculate_live_on_entry): Remove.
102 (calculate_live_on_exit): Calculate live on exit based on the newly
103 oriented live on entry bits.
104 (calculate_live_ranges): Build live on entry and exit vectors.
105 (dump_live_info): Use new orientation of live on entry bitmaps.
106 (verify_live_on_entry): New. Split out verification code from old
107 calculate_live_on_entry routine.
108 * tree-ssa-live.h (struct tree_live_info_d): Add Working stack.
109 (live_entry_blocks): Rename to live_on_entry and return bitmap for a
110 basic_block instead of for a partition.
111 (live_merge_and_clear): Add asserts.
112 (make_live_on_entry): Set partition bit in basic block vector.
114 2006-12-04 Jakub Jelinek <jakub@redhat.com>
117 * omp-low.c (expand_omp_for_static_nochunk,
118 expand_omp_for_static_chunk): Do all arithmetics in signed rather than
122 * omp-low.c (determine_parallel_type): Don't try to optimize combined
123 parallels if region->exit or region->inner->exit is NULL.
124 (expand_omp_parallel): Handle NULL region->exit even if cfg is already
126 (expand_omp_for_generic): Handle NULL region->cond and region->exit.
127 (expand_omp_for): Use expand_omp_for_generic if either region->cond
128 or region->exit is NULL.
129 (expand_omp_sections): Handle NULL region->cond or region->exit.
132 2006-12-04 Eric Botcazou <ebotcazou@libertysurf.fr>
134 * config/sparc/sp64-elf.h (JUMP_TABLES_IN_TEXT_SECTION): Delete.
135 * config/sparc/sysv4.h (JUMP_TABLES_IN_TEXT_SECTION): Likewise.
137 2006-12-04 Eric Botcazou <ebotcazou@adacore.com>
139 * tree.c (walk_type_fields): Do not handle TYPE_MIN_VALUE and
140 TYPE_MAX_VALUE for scalar types here but...
141 (walk_tree): ...there instead. Return NULL_TREE if the TYPE_DECL
142 is attached an error mark, and the return value of the callback
143 if it is not NULL_TREE.
145 2006-12-04 Ben Elliston <bje@au.ibm.com>
147 * config/spu/spu.md (_mulv4si3): Remove unused local variables.
149 2006-12-03 Eric Christopher <echristo@apple.com>
152 * config/t-slibgcc-darwin: Pass -install_name.
153 * config/darwin.h (LINK_COMMAND_SPEC): Remove use of
154 libtool. Only pass through options that the linker recognizes.
155 (LINK_SPEC): Update comment. Translate options.
156 (STARTFILE_SPEC): Add dylib1.o for shared libraries.
157 * config/darwin9.h (LINK_COMMAND_SPEC): Ditto above.
159 2006-12-03 Dorit Nuzman <dorit@il.ibm.com>
161 * config/spu/spu.md (smaxv4sf3, sminv4sf3): New.
163 2006-12-03 Uros Bizjak <ubizjak@gmail.com>
166 * config/i386/sse.md ("*sse3_movddup"): Use operands[0] and
167 operands[1] in insn constraint. Correct type attribute to sselog1.
169 2006-12-02 H.J. Lu <hongjiu.lu@intel.com>
172 * config/i386/driver-i386.c: Include "coretypes.h" and "tm.h".
174 (host_detect_local_cpu): Check -mtune= vs. -march=. Rewrite
177 * config/i386/i386.h (CC1_CPU_SPEC): Add -mtune=native for
178 -march=native if there is no -mtune=*.
180 * config/i386/x-i386 (driver-i386.o): Also depend on $(TM_H)
183 2006-12-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
185 * doc/install.texi: Update recommended MPFR version. Remove
186 obsolete reference to cumulative patch.
188 2006-12-02 Lee Millward <lee.millward@codesourcery.com>
191 * c-decl.c (store_parm_decls_oldstyle): Robustify.
193 2006-11-30 Jan Hubicka <jh@suse.cz>
194 Uros Bizjak <ubizjak@gmail.com>
196 * config/i386/i386.c (pentium4_cost, nocona_cost): Update
197 32bit memcpy/memset decriptors.
198 (decide_alg): With -minline-all-stringops and sizes that are best
199 to be copied via libcall still work hard enough to pick non-libcall
202 2006-12-02 Kazu Hirata <kazu@codesourcery.com>
204 * doc/extend.texi, doc/invoke.texi, doc/md.texi: Fix typos.
206 * builtins.c, cfgloop.h, cgraph.h, config/arm/arm.c,
207 config/i386/i386.c, config/i386/i386.h, config/mips/mips.h,
208 config/rs6000/cell.md, config/rs6000/rs6000.c, config/sh/sh.c,
209 config/sh/sh4-300.md, config/spu/spu-builtins.def,
210 config/spu/spu-c.c, config/spu/spu-modes.def,
211 config/spu/spu.c, config/spu/spu.md,
212 config/spu/spu_internals.h, config/spu/vmx2spu.h,
213 fold-const.c, fwprop.c, predict.c, tree-data-ref.h,
214 tree-flow.h, tree-ssa-loop-manip.c, tree-ssa-loop-niter.c,
215 tree-ssa-pre.c, tree-vect-analyze.c, tree-vect-transform.c,
216 tree-vectorizer.c, tree-vrp.c: Fix comment typos. Follow
217 spelling conventions.
219 * config/i386/i386.c: Fix a comment typo.
221 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
223 * config/spu/spu.c (spu_immediate): Remove trailing comma.
224 (reloc_diagnostic): Call warning when -mwarn-reloc is specified.
225 * config/spu/spu.md: (zero_extendhisi2): Expand instead of split for
227 (floatv4siv4sf2): New.
228 (fix_truncv4sfv4si2): New.
229 (floatunsv4siv4sf2): New.
230 (fixuns_truncv4sfv4si2): New.
238 (cmp<mode>): Don't accept constant arguments for DI, TI and SF.
239 * config/spu/spu_internals.h: Handle overloaded intrinsics in C++ with
240 spu_resolve_overloaded_builtin instead of static inline functions.
242 2006-12-01 Eric Botcazou <ebotcazou@adacore.com>
244 * fold-const.c (fold_binary) <LT_EXPR>: Use the precision of the
245 type instead of the size of its mode to compute the highest and
246 lowest possible values. Still check the size of the mode before
247 flipping the signedness of the comparison.
249 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
251 * config/spu/predicates.md (spu_mov_operand): Add.
252 * config/spu/spu.c (spu_expand_extv): Remove unused code.
253 (print_operand_address, print_operand): Handle addresses containing AND.
254 (spu_split_load, spu_split_store): Use updated movti pattern.
255 * config/spu/spu.md: (_mov<mode>, _movdi, _movti): Handle loads and
256 stores in mov patterns for correct operation of reload.
257 (lq, lq_<mode>, stq, stq_<mode>): Remove.
259 2006-12-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
262 * c-common.c (check_main_parameter_types): Check for error_mark_node.
264 2006-12-01 Andrew MacLeod <amacleod@redhat.com>
266 * common.opt (ftree-combine-temps): Remove.
267 * tree-outof-ssa.c (SSANORM_COMBINE_TEMPS): Remove.
268 (coalesce_ssa_name): Don't check for combine-temps.
269 (coalesce_vars): Remove.
270 (check_replaceable): Use num_imm_uses.
271 (remove_ssa_form, insert_backedge_copies, rewrite_out_of_ssa): Don't
272 check for combine-temps.
273 (rewrite_out_of_ssa): Never create a ref_count in the var_map.
274 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Change parms
275 to register_ssa_partition calls.
276 * tree-ssa-live.c (register_ssa_partition): Remove prototype.
277 (init_var_map, delete_var_map): remove refernces to ref_count.
278 (create_ssa_var_map): Never calculate a ref count.
279 (type_var_init): Remove.
280 * tree-ssa-live.h (typedef struct _var_map): Remove ref_count.
281 (SSA_VAR_MAP_REF_COUNT): Delete.
282 (create_ssa_var_map): Change Prototype to have no parameters.
283 (version_ref_count): Delete.
284 (register_ssa_partition): Remove 'is_use' paramater and don't set the
286 (type_var_num, type_var, type_var_first_partition,
287 type_var_next_partition, type_var_dump, type_var_delete,
288 type_var_remove_partition, type_var_find, type_var_compact,
289 type_var_decompact): Remove.
291 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
293 * config/bfin/bfin.md (pushsi_insn, popsi_insn): Set correct addrtype
296 2006-12-01 Richard Guenther <rguenther@suse.de>
299 * dwarf2out.c (struct pubname_struct): Make name const.
300 (add_pubtype): Do not xstrdup identifiers.
302 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
304 * config/bfin/bfin.c (bfin_valid_add): Fix the logic that ensures
305 multiword accesses are in range.
307 2006-12-01 Zdenek Dvorak <dvorakz@suse.cz>
309 PR tree-optimization/29921
310 * tree-ssa-ccp.c (canonicalize_float_value): New function.
311 (set_lattice_value): Use canonicalize_float_value.
313 2006-11-30 Andrew Pinski <andrew_pinski@playstation.sony.com>
315 * config/spu/spu.c (spu_builtin_range): Move from spu-c.c
316 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Delete.
317 (spu_cpu_cpp_builtins): Remove.
318 (spu_override_options): Don't set warn_main.
319 (spu_force_reg): Move from spu-c.c.
320 (spu_check_builtin_parm): Likewise.
321 (expand_builtin_args): Likewise.
322 (spu_expand_builtin_1): Likewise.
323 (spu_expand_builtin): Likewise.
324 * config/spu/spu.h (REGISTER_TARGET_PRAGMAS): Define, set
325 warn_main and targetm.resolve_overloaded_builtin.
326 * config/spu/spu-c.c (spu_builtin_range): Remove.
327 (spu_check_builtin_parm): Remove.
328 (expand_builtin_args): Remove.
329 (spu_expand_builtin_1): Remove.
330 (spu_expand_builtin): Remove.
331 (spu_cpu_cpp_builtins): Moved from spu.c
332 (spu_force_reg): Remove.
334 2006-12-01 Joseph Myers <joseph@codesourcery.com>
335 David Edelsohn <edelsohn@gnu.org>
338 * doc/tm.texi (HARD_REGNO_NREGS_HAS_PADDING,
339 HARD_REGNO_NREGS_WITH_PADDING): Document new target macros.
340 * defaults.h (HARD_REGNO_NREGS_HAS_PADDING,
341 HARD_REGNO_NREGS_WITH_PADDING): Define.
342 * config/i386/i386.h (HARD_REGNO_NREGS_HAS_PADDING,
343 HARD_REGNO_NREGS_WITH_PADDING): Define.
344 * rtlanal.c (subreg_regno_offset, subreg_offset_representable_p):
345 Use new macros to detect modes with holes; do not look at integer
347 (subreg_offset_representable_p): Check for and disallow cases
348 where the modes use different numbers of bits from registers.
349 * config/rs6000/rs6000.c (rs6000_emit_move): Handle TFmode
350 constant for soft-float.
351 (rs6000_hard_regno_nregs): Use UNITS_PER_FP_WORD for e500 GPRs
353 (rs6000_split_multireg_move): Use DFmode reg_mode for TFmode moves
355 * config/rs6000/rs6000.md (movtf): Allow soft-float.
356 (movtf_softfloat): New.
358 2006-11-30 Richard Sandiford <richard@codesourcery.com>
360 * simplify-rtx.c (simplify_rtx): Use simplify_subreg rather than
363 2006-11-30 Andrew Macleod <amacleod@redhat.com>
365 * tree-ssa-live.c (create_coalesce_list): Create a hash table.
366 (COALESCE_HASH_FN): New. Define hash function.
367 (partition_pair_map_hash): New. Hash value for a partition pair.
368 (partition_pair_map_eq): New. Equality for hash pairs.
369 (create_coalesce_list): Create hash table.
370 (delete_coalesce_list): Free hash table.
371 (find_partition_pair): Find/create pairs in hash table.
372 (compare_pairs): Sort pairs in ascending order now.
373 (num_coalesce_pairs): New. Number of pairs in hash table.
374 (struct partition_pair_iterator): Iterator struct for pair table.
375 (first_partition_pair): Iterator function for first pair.
376 (end_partition_pair_p): Iterator function for end of iteration.
377 (next_partition_pair): Iterator function for next pair.
378 (FOR_EACH_PARTITION_PAIR): Macro for iterating over pairs.
379 (sort_coalesce_list): Sort pairs from hash table into an array.
380 (pop_best_coalesce): Take pairs from the array.
381 (dump_coalesce_list): Update to use hash table or sorted array.
382 * tree-ssa-live.h (struct partition_pair_d): Remove next field.
383 (struct coalesce_list_d): Add hash table related fields.
385 2006-11-30 Jan Hubicka <jh@suse.cz>
388 * builtins.c (fold_builtin_memory_op): Fix typo in the check for
389 memmove/bcopy->memcpy conversion.
391 2006-11-30 Carlos O'Donell <carlos@codesourcery.com>
393 * doc/tm.texi (MAX_OFILE_ALIGNMENT): Document default.
394 * config/elfos.h [!MAX_OFILE_ALIGNMENT] (MAX_OFILE_ALIGNMENT):
395 Default is the largest alignment supported for 32-bit ELF and
396 representable on a 32-bit host.
398 2006-11-30 Janis Johnson <janis187@us.ibm.com>
400 * config/dfp-bit.c (DFP_TO_INT): Use wider precision.
402 2006-11-30 Jan Hubicka <jh@suse.cz>
404 * tree-ssa-operands.h (struct ssa_operands): New.
405 * tree-flow-inline.h (gimple_ssa_operands): New function.
406 * tree-flow.h: (struct gimple_df): Add ssa_operands.
407 * Makefile.in: Remove gt-tree-ssa-operands.h
408 * tree-ssa-operands.c: Do not include gt-tree-ssa-operands.h
409 (free_defs, free_uses, free_vuses, free_maydefs, free_mustdefs,
410 operand_memory, operand_memory_index, ops_active): Remove statics.
411 (ALLOC_OPTYPE): Update.
412 (operand_build_sort_virtual): Update.
413 (ssa_operands_active): Update.
414 (init_ssa_operands): Update.
415 (fini_ssa_operands): Update.
416 (ssa_operand_alloc): Update.
417 (INITIALIZE_USE): Update.
418 (finalize_ssa_use_ops): Update.
419 (finalize_ssa_v_may_def_ops): Update.
420 (finalize_ssa_vuse_ops): Update.
421 (finalize_ssa_v_must_def_ops): Update.
423 2006-11-30 Richard Guenther <rguenther@suse.de>
425 * tree-vectorizer.h (vectorizable_function): Export.
426 * tree-vect-transform.c (vectorizable_function): Likewise.
427 * tree-vect-patterns.c (vect_recog_pow_pattern): Set
428 type_in to scalar type in recognition of squaring.
429 Make sure the target can vectorize sqrt in recognition
430 of sqrt, set type_in to vector type in this case.
432 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
434 * config/i386/i386.md (R10_REG): New constant.
435 * config/i386/i386.c (pro_epilogue_adjust_stack): Use R11_REG.
436 (ix86_emit_restore_regs_using_mov): Ditto.
437 (ix86_expand_call): Ditto.
438 (x86_output_mi_thunk): Ditto. Also use R10_REG.
440 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
442 * cselib.c (cselib_init): Use special MEM rtx form for callmem.
443 * alias.c (canon_true_dependence): Update comment.
445 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
447 * cgraphunit.c (cgraph_finalize_compilation_unit): Add a newline
448 at the end of a diagnostics message.
450 * alloc-pool.c (pool_free): Postpone clearing the pool entry
451 until after asserting that it was allocated in the right pool.
453 * cfgrtl.c (print_rtl_with_bb): Print predecessor and
454 successor edge information as well. Make output of live regs
455 on exit consistent with live regs on entry.
457 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
460 * config/i386/i386.md (*truncxfsf2_mixed, *truncxfdf2_mixed): Enable
461 insn patterns for TARGET_80387.
462 (*truncxfsf2_i387, *truncxfdf2_i387): Remove.
463 (*truncxfsf2_i387_1): Rename to *truncxfsf2_i387.
464 (*truncxfdf2_i387_1): Rename to *truncxfdf2_i387.
465 (fmod<mode>3, remainder<mode>3): Enable expaders for SSE math.
466 Generate truncxf<mode>2 insn patterns for strict SSE math.
468 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
470 * config/i386/i386.md (movsf_1): Enable pattern for standard
471 80387 constants before reload when optimizing for size.
472 (*movdf_nointeger, *movdf_integer): Ditto.
473 (*movxf_nointeger, *movxf_integer): Disable patterns for standard
474 80387 constants before reload when not optimizing for size.
476 (*fop_xf_4_i387, *fop_xf_5_i387, *fop_xf_6_i387): Avoid float
477 extension of XFmode input operands.
479 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
481 * config/spu/crt0.c (__dso_handle): Define.
483 2006-11-30 Kaz Kojima <kkojima@gcc.gnu.org>
485 * emit-rtl.c (verify_rtl_sharing): Handle SEQUENCE specially
486 when clearing the used flags.
488 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
490 * config/spu/spu.md (extend_compare): Fix whitespace formatting.
492 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
495 * config/spu/spu.md (extend_compare<mode>): New pattern.
496 (extend_compare): Change to expand and use the above pattern.
498 2006-11-29 Janis Johnson <janis187@us.ibm.com>
500 * config/dfp-bit.c (DFP_TO_INT): Fix rounding mode.
502 * config/dfp-bit.h (CONTEXT_ROUND): Delete.
503 (DFP_INIT_ROUNDMODE): Define.
504 * config/dfp-bit.c: Replace CONTEXT_ROUND with DFP_INIT_ROUNDMODE.
505 * mklibgcc.in: Fix dependencies for dfp-bit.c.
507 2006-11-29 Tehila Meyzels <tehila@il.ibm.com>
509 * haifa-sched.c: Remove define LINE_NOTE(INSN). Remove line_note_head.
510 Update documentation.
511 (associate_line_notes_with_blocks): Kill.
512 (extend_bb): Remove basic block argument, put void instead.
513 Remove line number handling for each bb.
514 (save_line_notes): Kill.
515 (restore_line_notes): Kill.
516 (sched_init): Remove line_note_head initialization.
517 Change extend_bb call.
518 (sched_finish): Remove free of line_note_head.
519 (add_block): Change extend_bb call.
520 * sched-ebb.c (schedule_ebb): Remove save_line_notes,
521 rm_line_notes and restore_line_notes calls.
522 (schedule_ebbs): Remove rm_redundant_line_notes.
523 * sched-int.h (struct haifa_insn_data): Remove line_note.
524 (save_line_notes): Remove declaration.
525 (restore_line_notes): Remove declaration.
526 * modulo-sched.c (loop_canon_p): Update debug info printing
527 by using insn locators instead of line note.
528 (sms_schedule): Update debug info printing, by using insn
529 locators instead of line note.
530 * sched-rgn.c (debug_dependencies): Remove handling of case
531 n>0 (line number), since it's a dead code.
532 (schedule_region): Remove save_line_notes and
533 restore_line_notes calls.
535 2006-11-29 Joseph Myers <joseph@codesourcery.com>
537 * config/rs6000/predicates.md (gpc_reg_operand): Check
539 * config/rs6000/rs6000.c (invalid_e500_subreg): Don't allow any
540 SImode subregs of SPE vectors.
541 * config/rs6000/rs6000.md (insv): Fail for invalid E500 subregs.
542 * jump.c (true_regnum): Require subregs to satisfy
543 subreg_offset_representable_p.
545 2006-11-29 Daniel Berlin <dberlin@dberlin.org>
546 Steven Bosscher <stevenb.gcc@gmail.com>
548 * Makefile.in (tree-ssanames.o): Remove gt-tree-ssanames.h,
549 since it no longer exists.
551 2006-11-29 Duncan Sands <baldrick@free.fr>
553 PR tree-optimization/23744
554 * tree-vrp.c (vrp_meet): do not require ranges to intersect.
556 2006-11-29 Duncan Sands <baldrick@free.fr>
558 PR tree-optimization/23744
559 * testsuite/gcc.dg/tree-ssa/pr23744.c: new test.
561 2006-11-29 Duncan Sands <baldrick@free.fr>
563 PR tree-optimization/23744
564 * testsuite/gcc.dg/tree-ssa/update-threading.c: xfail.
566 2006-11-29 Jie Zhang <jie.zhang@analog.com>
568 * doc/tm.texi (NO_PROFILE_COUNTERS): Document more accurately.
570 2006-11-29 J"orn Rennecke <joern.rennecke@st.com>
572 * sh.opt (minline-ic_invalidate): New option.
573 (musermode): Adjust comment.
574 * sh.c (sh_initialize_trampoline): Emit library call unless
575 is set; if it is set, don't emit library call if we can use icbi
577 * sh.md (ic_invalidate_line, ic_invalidate_line_sh4a): Also use
578 icbi for TARGET_SH4_300.
579 * t-sh (LIB1ASMFUNCS_CACHE): Set.
580 * doc/invoke.texi: Document -minline-ic_invalidate; Update
581 -musermode documentation.
583 2006-11-29 Jim Tison <jtison@us.ibm.com>
585 * gthr-tpf.h (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION,
586 __gthread_recursive_mutex_init): Define.
588 2006-11-29 Joseph Myers <joseph@codesourcery.com>
590 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): If
591 STRICT_ALIGNMENT and the type is more aligned than the saved
592 registers, copy via a temporary.
594 2006-11-28 Andrew Pinski <pinskia@gmail.com>
597 * tree-ssa-reassoc.c (eliminate_duplicate_pair): Handle MAX_EXPR
600 2006-11-28 Bob Wilson <bob.wilson@acm.org>
602 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a12-a15 on exit.
604 2006-11-28 Jan Hubicka <jh@suse.cz>
606 Privatize SSA variables into gimple_df.
608 (gimple_in_ssa_p, gimple_aliases_computed_p, gimple_addressable_vars,
609 gimple_call_clobbered_vars, gimple_referenced_vars, gimple_global_var,
610 gimple_nonlocal_all): New accessors.
611 (first_referenced_var): Update.
612 (mark_stmt_modified): Update.
613 (is_call_clobbered): Update.
614 (mark_call_clobbered): Update.
615 (clear_call_clobbered): Update.
616 (mark_non_addressable): Update.
617 * tree-vrp.c (get_value_range): Update.
618 * tree-into-ssa.c (in_ssa_p): Kill.
619 (get_default_def_for): Update.
620 (rewrite_into_ssa): Update.
621 * tree-complex.c (init_parameter_lattice_values): Update.
622 (update_complex_assignment): Update.
623 (update_parameter_components): Update.
624 (expand_complex_libcall): Update.
625 (expand_complex_operations_1): Update.
626 * tree-tailcall.c (arg_needs_copy_p): Update.
627 (add_virtual_phis): Update.
628 (tree_optimize_tail_calls_1): Update.
629 * tree-ssa-dse.c (memory_ssa_name_same): Update.
630 * tree-ssa-copyrename.c
631 (copy_rename_partition_coalesce): Update.
632 * tree-ssa-math-opts.c (execute_cse_reciprocals): Update.
633 * tree-ssa-propagate.c (set_rhs): Update.
634 * tree-ssa-alias.c (aliases_computed_p, call_clobbered_vars,
635 addressable_vars, global_var):Kill.
636 (set_initial_properties): Update.
637 (init_alias_info): Update.
638 (finalize_ref_all_pointers): Update.
639 (setup_pointers_and_addressables): Update.
640 (maybe_create_global_var): Update.
641 (create_global_var): Update.
642 (dump_points_to_info): Update.
643 * function.h (struct gimple_df): Forward declare.
644 (struct function): Add GIMPLE_DF field.
645 * gimplify.c (force_gimple_operand): Update.
646 * tree-dfa.c (referenced_vars, default_defs): KIll.
647 (make_rename_temp): Update.
648 (dump_variable): Update.
649 (referenced_var_lookup): Update.
650 (referenced_var_check_and_insert): Update.
651 (default_def): Rename to ...
652 (gimple_default_def): ... this one; accept cfun argument.
653 (set_default_def): Update.
654 * tree-cfgcleanup.c (modified_noreturn_calls): Kill.
655 (cleanup_control_flow): Update.
656 * tree-ssa-pre.c (compute_avail): Update
657 * tree-ssa-live.c (calculate_live_on_entry): Update.
658 * tree-ssa.c (verify_use): Update.
659 (verify_call_clobbering): Update.
660 (verify_call_clobbering): Update.
661 (init_tree_ssa): Update.
662 (delete_tree_ssa): Update.
663 * tree-outof-ssa.c (coalesce_ssa_name): Update.
664 (rewrite_out_of_ssa): Update.
665 * tree-flow.h (gimple_df): New structure collecting dataflow variables.
666 (FREE_SSANAMES, SSANAMES, MODIFIED_NORETURN_CALLS, DEFAULT_DEFS): New
668 (in_ssa_p, modified_noreturn_calls, referenced_vars, default_defs,
669 ssa_names, global_var, nonlocal_all, call_clobbered_vars,
670 addressable_vars, aliases_computed_p): Kill.
671 (default_def): Rename to...
672 (gimple_default_def): ... this one.
673 (defaule_def_fn): Kill.
674 (num_referenced_vars, ssa_names, num_ssa_names): Update.
675 * tree-ssa-structalias.c (nonlocal_all): Kill.
676 (get_constraint_exp_from_ssa_var): Update.
677 (create_nonlocal_var): Update.
678 (get_constraint_for): Update.
679 (update_alias_info): Update.
680 (find_global_initializers): Update.
681 (intra_create_variable_infos): Update.
682 (intra_create_variable_infos):
683 (find_what_p_points_to): Update.
684 (init_alias_heapvars): Update.
685 * tree-cfg.c (remove_bb): Update.
686 (gimplify_val): Update.
687 * tree-ssa-reassoc.c (get_rank): Update.
688 (init_reassoc): Update.
689 * tree-ssanames.c: Do not include gt-tree-ssanames.h
690 (ssa_names, free_ssanames): Kill.
691 (init_ssanames): Update.
692 (make_ssa_name): Update.
693 (release_ssa_name): Update.
694 (release_defs): Update.
695 (replace_ssa_name_symbol): Update.
696 * tree-ssa-operands.c (access_can_touch_variable): Update.
697 (add_virtual_operand): Update.
698 (add_call_clobber_ops): Update.
699 (add_call_read_ops): Update.
700 (get_call_expr_operands): Update.
701 (get_asm_expr_operands): Update.
703 2006-11-28 Jan Hubicka <jh@suse.cz>
705 * builtins.c: Include tree-flow.h.
706 (fold_builtin_memory_op): Be more aggressive on converting memcpy to
707 assignment; convert memmove to memcpy for sizes greater than 1 where
708 alignment of operands prohibit the partial overlap.
710 2006-11-28 Jan Hubicka <jh@suse.cz>
712 * invoke.texi (large-stack-frame, large-stack-frame-growth): New params.
713 * cgraph.c (dump_cgraph_node): Dump stack usage.
714 * cgraph.h (cgraph_local_info): Add estimated_self_stack_size.
715 (cgraph_global_info): Add estimated_stack_size and stack_frame_offset.
716 * cgraphunit.c (cgraph_analyze_function): Analyze stack sizes.
717 * ipa-inline.c (cgraph_clone_inlined_nodes): Propagate stack usage.
718 (cgraph_check_inline_limits): Limit stack growth.
719 * cfgexpand.c: Include tree-inline.h.
720 (account_stack_vars): New function.
721 (expand_one_var): New param to just account the stack; return estimated
723 (expand_used_vars_for_block): Update call of expand_one_var.
724 (account_used_vars_for_block): New function.
725 (estimated_stack_frame_size): Likewise.
726 (init_vars_expansion, fini_vars_expansion): Break out from..
727 (expand_used_vars): ... here.
728 * tree-inline.h (estimated_stack_frame_size): Declare.
729 * params.def (PARAM_LARGE_STACK_FRAME, PARAM_STACK_FRAME_GROWTH): New.
731 2006-11-28 Richard Guenther <rguenther@suse.de>
733 * ggc-page.c (ggc_print_statistics): Use %ul and a cast to
734 unsigned long for printing OBJECT_SIZE.
736 2006-11-27 Steven Bosscher <steven@gcc.gnu.org>
738 * alias.c (init_alias_analysis): Remove simplification loop
739 after propagating pointers.
741 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
743 * config/i386/i386.c (x86_ext_80387_constants): Add m_K8, m_CORE2
746 2006-11-27 Bob Wilson <bob.wilson@acm.org>
748 * config/xtensa/xtensa.h (XCHAL_HAVE_MUL32_HIGH): Provide default.
750 2006-11-27 Roger Sayle <roger@eyesopen.com>
751 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
753 * c-common.c (constant_fits_type_p): Delete.
754 (unsigned_conversion_warning): Delete.
755 (conversion_warning): Integrate Wconversion warning from
756 unsigned_conversion_warning.
757 (convert_and_check): Integrate Woverflow warning from
758 unsigned_conversion_warning. Reorganize and simplify to avoid
759 dependence upon the middle-end setting TREE_OVERFLOW on integral
760 conversions, by using int_fits_type_p directly.
762 2006-11-27 Tobias Burnus <burnus@net-b.de>
764 * doc/invoke.texi: Fixed typo.
766 2006-11-27 Michael Matz <matz@suse.de>
767 Andreas Krebbel <krebbel1@de.ibm.com>
770 * config/s390/predicates.md (larl_operand): Check addend of larl
771 operand to be in range of -/+2GB.
772 * config/s390/s390.c (legitimize_pic_address): Likewise.
773 Changed type of variable even to HOST_WIDE_INT.
775 2006-11-27 Jan Hubicka <jh@suse.cz>
777 * expr.c (emit_block_move_via_libcall): Export.
778 (clear_storage_via_libcall): Rename to ...
779 (set_storage_via_libcall): ... this one; handle arbitrary value to set.
780 (clear_storage): Update to set_storage_via_libcall.
781 * expr.h (emit_block_move_via_libcall): Declare
782 * config/i386/i386.h (stringop_alg): New enum.
783 (MAX_STRINGOP_ALGS): New constant.
784 (stringop_algs): New struct.
785 (processor_costs): Add memcpy/memset descriptors.
786 (TARGET_REP_MOVEL_OPTIMAL): Remove.
787 * config/i386/i386.md (movsi_insv_1_rex64): New pattern.
788 (strmovsi, strmovdi, strsetsi, strsetdi): Update; accept all operands
790 * config/i386/i386.opt (minline-stringops-dynamically,
791 mstringop-strategy): New
793 * config/i386/i386-prostos.h (ix86_expand_movmem): Update prototype.
794 (ix86_expand-clrmem): Rename to ...
795 (ix86_expand_setmem): ... this one; update prototype.
796 * config/i386/i386.c (DUMMY_STRINGOP_ALGS): New constant.
797 (size_cost, i386_cost, i486_cost, pentium_cost, pentiumpro_cost,
798 geode_cost, k6_cost, athlon_cost, k8_cost, pentium4_cost,
799 nocona_cost, core2_cost, generic_cost, generic64_cost,
800 generic32_cost): Add memcpy/memset descriptors.
801 (x86_rep_movl_optimal): Remove.
802 (stringop_alg): New static variable.
803 (ix86_expand_aligntest): Handle predictions.
804 (override_options): Add strgop_alg handling.
805 (predict_jump): New function.
806 (scale_counter): New function.
807 (expand_set_or_movmem_via_loop): New function.
808 (expand_movmem_via_rep_mov): New function.
809 (expand_setmem_via_rep_stots): New function.
810 (emit_strmov): New function.
811 (expand_movmem_epilogue): New function.
812 (expand_setmem_epilogue_via_loop): New function.
813 (expand_setmem_epilogue): New function.
814 (expand_movmem_prologue): New function.
815 (expand_setmem_prologue): New function.
816 (decide_alg): New function.
817 (decide_alignment): New function.
818 (ix86_exand_movmem): Rewrite.
819 (promote_duplicated_reg): New function.
820 (ix86_expand_clrmem): Rename to ...
821 (ix86_expand_setmem): ... this one. Rewrite.
823 * invoke.texi (minline-stringops-dynamically): New command line option.
824 (mstringop-strategy): Likewise.
826 2006-11-27 Jan Hubicka <jh@suse.cz>
828 * cfgexpand.c (construct_exit_block): Don't disturb end of last BB.
829 * rtl.texi (NOTE_INSN_FUNCTION_END): Remove.
830 * final.c (final_scan_insn): Don't scan NOTE_INSN_FUNCTION_END.
831 * insn-notes.def (FUNCTION_END): Remove.
832 * jump.c (delete_related_insns): Don't worry about FUNCTION_END.
833 (redicect_jump_2): Don't accept -1 parameter to remove FUNCTION_END
835 * ifcvt.c (dead_or_predictable): Update call of redirect_jump_2.
836 * function.c (expand_function_end): Don't emit NOTE_INSN_FUNCTION_END
837 * cfglayout.c (duplicate_insn_chain): Don't worry about
840 2006-11-27 Richard Guenther <rguenther@suse.de>
841 Zdenek Dvorak <dvorakz@suse.cz>
843 * target.h (struct gcc_target): Add builtin_vectorized_function
845 * target-def.h (TARGET_VECTORIZE): Likewise.
846 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
847 Document new target hook.
848 * targhooks.h (default_builtin_vectorized_function): Declare.
849 * targhooks.c (default_builtin_vectorized_function): Define.
850 * tree-vectorizer.h (stmt_vec_info_type): Add call_vec_info_type.
851 (vectorizable_call): Declare.
852 * tree-vect-analyze.c (vect_analyze_operations): Call
854 * tree-vect-transform.c (vectorizable_function): New static function.
855 (build_vectorized_function_call): Likewise.
856 (vectorizable_call): New function.
857 (vect_transform_stmt): Handle vectorizable calls.
859 2006-11-27 Richard Guenther <rguenther@suse.de>
862 * builtins.c (expand_builtin_pow): Optimize non integer valued
863 constant exponents using sqrt or cbrt if possible. Always fall back
864 to expanding via optabs.
866 2006-11-27 Ira Rosen <irar@il.ibm.com>
868 PR tree-optimization/22372
869 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Convert
870 the type of the base address.
871 (vect_create_data_ref_ptr): Add an argument, type of the data-ref. Use
872 it in the data-ref pointer creation.
873 (vect_init_vector): Add an argument, type of the init vector. Use it in
875 (vect_get_vec_def_for_operand): Fix calls to vect_init_vector.
876 (get_initial_def_for_reduction): Likewise.
877 (vect_create_epilog_for_reduction): Change type of MODIFY_EXPR to
879 (vectorizable_assignment, vect_permute_store_chain): Likewise.
880 (vectorizable_store): Fix call to vect_create_data_ref_ptr. Use the
881 correct type in stmt creation.
882 (vect_setup_realignment): Use the correct type in stmt creation.
883 (vect_permute_load_chain): Change type of MODIFY_EXPR to
885 (vectorizable_load): Fix calls to vect_create_data_ref_ptr. Change type
886 of MODIFY_EXPR to void_type_node.
887 (vectorizable_condition): Change type of MODIFY_EXPR to
889 (vect_update_ivs_after_vectorizer): Use the correct type in stmt
892 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
895 2006-05-08 Uros Bizjak <uros@kss-loka.si>
896 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
897 standard 80387 constants, raise the cost to prevent
898 compress_float_constant() to generate load from memory.
900 * config/i386/i386.md: Add new splitter pattern to split
901 float_extended load of constant from constant pool into
904 2006-11-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
906 * doc/install.texi: Move GMP/MPFR configure options from Fortran
907 section to general section. Remove documentation for
908 --with-mpfr-dir and --with-gmp-dir, add documentation for
909 --with-mpfr-include, --with-mpfr-lib, --with-gmp-include and
912 * builtins.c (fold_builtin_fmin_fmax): Handle NaN arguments.
914 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
916 * testsuite/gcc.dg/ipa/ipa-6.c: New.
918 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
920 PR tree-optimization/29122
921 * tree-inline.c (tree_function_versioning): Update DECL_ASSEMBLER_NAME
922 for the new version. Assign NULL to DECL_RTL of the new version.
924 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
926 * reg-stack.c (get_true_reg): Fix UNSPEC_TRUNC_NOOP handling.
928 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
930 * cse.c (cse_altered): Remove.
931 (record_jump_equiv): Make true/false argument a bool instead
933 (cse_insn): Don't set cse_altered. Use delete_insn_and_edges
934 where appropriate. Emit a new jump before the existing one
935 instead of after so that delete_insn_and_edges removes the
936 dead edges properly. Check any_condjump_p before calling
938 (cse_basic_block): Check any_condjump_p before calling
940 (cse_main): Don't set/check cse_altered. Remove USE_C_ALLOCA.
942 2006-11-25 Brooks Moses <brooks.moses@codesourcery.com>
944 * c.opt: Remove -ffixed-form, -ffixed-line-length-none, and
945 -ffixed-line-length-* options.
947 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
949 * config/i386/i386.md (fpremxf4): Rename to fpremxf4_i387.
950 (fprem1xf4): Rename to fprem1xf4_i387.
952 (fmodsf3, fmoddf3): Macroize patterns using X87MODEF12 mode macro.
953 Rename patterns to fmod<mode>3. Use general_operand operand
954 constraint for operands 1 and 2. Use SSE_FLOAT_MODE_P to disable
955 patterns for SSE math.
956 (remaindersf3, remainderdf3): Ditto.
958 2006-11-25 Joseph Myers <joseph@codesourcery.com>
960 * function.c (instantiate_virtual_regs_in_insn): Call force_reg
961 inside start_sequence / end_sequence pair.
963 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
965 * jump.c (mark_all_labels): Work in cfglayout mode.
966 * cfgcleanup.c (cleanup_cfg): Do not call delete_dead_jumptables
967 when in cfglayout mode, because there are no dead jumptables
969 * cfgrtl.c (commit_one_edge_insertion): Don't set bb->aux when
971 (commit_edge_insertions): Do not allow insertion of instructions
972 with control flow insns when in cfglayout mode.
974 2006-11-25 Zdenek Dvorak <dvorakz@suse.cz>
976 * tree-vrp.c (execute_vrp): Do not pass loops structure through
978 * loop-unswitch.c (unswitch_loops, unswitch_single_loop,
979 unswitch_loop): Ditto.
980 * tree-loop-linear.c (linear_transform_loops): Ditto.
981 * tree-ssa-loop-im.c (determine_lsm, tree_ssa_lim_initialize,
982 tree_ssa_lim): Ditto.
983 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
984 free_numbers_of_iterations_estimates): Ditto.
985 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops,
986 tree_unswitch_single_loop, tree_unswitch_loop): Ditto.
987 * cfgloopmanip.c (fix_bb_placement, fix_bb_placements,
988 remove_path, add_loop, loopify, unloop, fix_loop_placements,
989 place_new_loop, duplicate_loop, duplicate_subloops,
990 update_single_exit_for_duplicated_loops, copy_loops_to,
991 duplicate_loop_to_header_edge, create_preheaders,
992 force_single_succ_latches, loop_version, fix_loop_structure):
994 * tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge,
995 tree_unroll_loop): Ditto.
996 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
997 * tree-scalar-evolution.c (select_loops_exit_conditions,
998 scev_initialize, scev_analysis): Ditto.
999 * tree-scalar-evolution.h (scev_initialize): Ditto.
1000 * cfghooks.c (cfg_hook_duplicate_loop_to_header_edge): Ditto.
1001 * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
1002 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
1003 * modulo-sched.c (sms_schedule): Ditto.
1004 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
1005 * loop-init.c (loop_optimizer_init, rtl_move_loop_invariants,
1006 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): Ditto.
1007 * ifcvt.c (if_convert): Ditto.
1008 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely,
1009 canonicalize_loop_induction_variables,
1010 canonicalize_induction_variables,
1011 tree_unroll_loops_completely, remove_empty_loops): Ditto.
1012 * tree-ssa-loop.c (tree_ssa_loop_init, tree_ssa_loop_im,
1013 tree_ssa_loop_unswitch, tree_vectorize, tree_linear_transform,
1014 tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
1015 tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts,
1016 tree_ssa_loop_done): Ditto.
1017 * predict.c (predict_loops, tree_estimate_probability, estimate_loops,
1018 estimate_bb_frequencies): Ditto.
1019 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
1020 slpeel_tree_peel_loop_to_edge, vectorize_loops): Ditto.
1021 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
1022 decide_unrolling_and_peeling, peel_loop_completely,
1023 unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
1024 peel_loop_simple, unroll_loop_stupid): Ditto.
1025 * loop-doloop.c (doloop_optimize_loops): Ditto.
1026 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Ditto.
1027 * loop-invariant.c (move_loop_invariants): Ditto.
1028 * tree-ssa-dce.c (tree_ssa_dce_loop): Ditto.
1029 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays,
1030 tree_ssa_prefetch_arrays): Ditto.
1031 * lambda-code.c (gcc_loopnest_to_lambda_loopnest, perfect_nestify):
1033 * tree-vect-transform.c (vect_do_peeling_for_loop_bound,
1034 vect_do_peeling_for_alignment, vect_transform_loop): Ditto.
1035 * cfgloop.c (flow_loops_cfg_dump, flow_loops_dump,
1036 mark_single_exit_loops, cancel_loop, cancel_loop_tree,
1037 verify_loop_structure): Ditto.
1038 * tree-flow.h (vectorize_loops, tree_ssa_lim, tree_ssa_unswitch_loops,
1039 canonicalize_induction_variables, tree_unroll_loops_completely,
1040 tree_ssa_prefetch_arrays, remove_empty_loops, tree_ssa_iv_optimize,
1041 estimate_numbers_of_iterations, free_numbers_of_iterations_estimates,
1042 tree_duplicate_loop_to_header_edge, tree_ssa_loop_version,
1043 tree_unroll_loop, linear_transform_loops): Declaration changed.
1044 * basic-block.h: Remove declaration of struct loops.
1045 * cfghooks.h (struct cfg_hooks): Change type of
1046 cfg_hook_duplicate_loop_to_header_edge.
1047 (cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
1048 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge,
1049 vect_transform_loop): Declaration changed.
1050 * lambda.h (gcc_loopnest_to_lambda_loopnest): Declaration changed.
1051 * cfgloop.h (flow_loops_dump, fix_loop_structure,
1052 mark_irreducible_loops, mark_single_exit_loops, mark_loop_exit_edges,
1053 cancel_loop_tree, create_preheaders, force_single_succ_latches,
1054 verify_loop_structure, duplicate_loop, duplicate_loop_to_header_edge,
1055 loopify, loop_version, remove_path, unswitch_loops,
1056 unroll_and_peel_loops, doloop_optimize_loops, move_loop_invariants):
1057 Declaration changed.
1059 2006-11-24 Uros Bizjak <ubizjak@gmail.com>
1061 * config/i386/i386.md (UNSPEC_TRUNC_NOOP): New unspec definition.
1062 (X87MODEF): New mode macro.
1063 (ssemodefsuffix): New mode attribute.
1064 (truncxf<mode>2_i387_noop_unspec): New insn pattern.
1065 (sqrt_extend<mode>xf2_i387): New insn pattern.
1066 (sqrt<mode>2): For non-SSE sqrt, emit sqrt_extend<mode>xf2_i387
1067 insn and truncate result back to original mode using
1068 UNSPEC_TRUNC_NOOP truncation.
1069 (*sqrt<mode>2_sse): Implement using SSEMODEF mode macro and
1070 ssemodefsuffix mode attribute.
1071 (*sqrtsf2_mixed, *sqrtsf2_i387, *sqrtdf2_mixed, *sqrtdf2_i387)
1072 (*sqrtextendsfdf2_i387, *sqrtextendsfxf2_i387)
1073 (*sqrtextenddfxf2_i387): Remove insn patterns.
1075 (fmodsf3, fmoddf3, remaindersf3, remainderdf3): Use noop
1076 truncation patterns.
1078 * reg-stack.c (get_true_reg): Handle UNSPEC_TRUNC_NOOP.
1080 2006-11-24 Jakub Jelinek <jakub@redhat.com>
1083 * c-tree.h (c_maybe_initialize_eh): New prototype.
1084 * c-decl.c (finish_decl): Move EH initialization...
1085 (c_maybe_initialize_eh): ... here. New function.
1086 * c-parser.c (c_parser_omp_construct): Call c_maybe_initialize_eh
1087 if not #pragma omp atomic.
1090 * c-common.c (handle_vector_size_attribute): Disallow VECTOR_TYPE
1091 or UNION_TYPE inner types.
1093 2006-11-24 Andrew Pinski <andrew_pinski@playstation.sony.com>
1096 * ipa-pure-const.c (check_tree): If the original tree
1097 is volatile return early and say the function is not pure
1098 nor const. Remove the volatile check for writes.
1099 (analyze_function): Print out the result of the local
1102 2006-11-24 Joseph Myers <joseph@codesourcery.com>
1104 * config/rs6000/eabispe.h (TARGET_DEFAULT): Include
1106 * config/rs6000/linuxspe.h (TARGET_DEFAULT): Likewise.
1107 * config/rs6000/rs6000.c (rs6000_override_options): Use
1108 MASK_STRICT_ALIGN for 8540 and 8548. Add MASK_STRICT_ALIGN to
1111 2006-11-24 Andreas Krebbel <krebbel1@de.ibm.com>
1113 * config/s390.c (s390_emit_compare_and_swap): New function.
1114 (s390_expand_cs_hqi, s390_expand_atomic): Call
1115 s390_emit_compare_and_swap.
1117 2006-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1119 * pa.c (return_addr_rtx): Change 0xe0400002 to -532676606.
1121 2006-11-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1125 * c-common.c (conversion_warning): New.
1126 (convert_and_check): Call conversion_warning unless there is an
1128 * doc/invoke.texi (-Wconversion): Update description.
1130 2006-11-23 Daniel Berlin <dberlin@dberlin.org>
1132 * tree-ssa-alias.c (tree_pointer_compare): New function.
1133 (compact_name_tags): New function.
1134 (group_aliases): Call compact_name_tags.
1136 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1138 * real.h (real_isinteger): Declare.
1139 * real.c (real_isinteger): Define.
1140 * builtins.c (integer_valued_real_p): Use it.
1142 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1145 * c.opt (Wtraditional-conversion): New.
1146 (Wconversion): Update description.
1147 * c-typeck.c (convert_arguments): Warnings for prototypes causing
1148 type conversions different from what would happen in the absence
1149 of prototype are now handled by Wtraditional-conversion.
1150 * doc/invoke.texi (Wtraditional-conversion): New.
1151 (Wconversion): Update description.
1152 * doc/trouble.texi (Wconversion): Replace Wconversion by
1153 Wtraditional-conversion.
1155 2006-11-23 Andrew Pinski <pinskia@gmail.com>
1157 * predict.c (tree_estimate_probability): Check to make
1158 sure current_loops is non null before calling flow_loops_dump.
1160 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
1162 * var-tracking.c (emit_note_insn_var_location): Revert previous patch.
1164 2006-11-23 David Ung <davidu@mips.com>
1166 * config/mips/mips.h (ISA_HAS_FP4): Add MIPS32R2 + 64bit fpu
1168 (ISA_HAS_MXHC1): True if ISA supports mfhc1 and mthc1 opcodes.
1169 (ASM_SPEC): Pass along -mfp32 and -mfp64.
1170 * config/mips/mips.c (mips_split_64bit_move): Use gen_mthc1 to set
1171 high part of FP register when in 64-bit FP register mode. Similarly
1172 use gen_mfhc1 to load high part of FP register.
1173 (override_options): Allow -mgp32 and -mfp64 combination if
1174 ISA_HAS_MXHC1 (currently for O32 only).
1175 (mips_cannot_change_mode_class): If floating-point registers are
1176 bigger than word size. disallow conversion of float register from a
1177 large integer mode to a float mode smaller than the float register
1179 (mips_class_max_nregs): Handle float registers case seperately.
1180 * config/mips/mips.md (define_constants): Add UNSPEC_MFHC1,
1182 (movdi_32bit): Use !TARGET_FLOAT64 in condition pattern.
1183 (movdf_hardfloat_32bit): Similarly.
1184 (movdi_gp32_fp64): New DImode pattern for MIPS32R2 which optionally
1185 support a full 64-bit fpu.
1186 (mthc1): New pattern to generate MTHC1 instruction.
1187 (mfhc1): New pattern to generate MFHC1 instruction.
1188 * doc/invoke.texi (MIPS Options): Document the -mgp32 -mfp64
1189 option for the MIPS32R2 and mention its use under O32 ABI.
1191 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
1193 * var-tracking.c (emit_note_insn_var_location): Take care not to
1194 cause verify_flow_info failures.
1196 2006-11-22 Daniel Berlin <dberlin@dberlin.org>
1198 * tree-ssa-structalias.c: Remove edge weights in favor of just
1199 processing them as complex constraints.
1200 (struct constraint_graph): Remove weighted succs and preds. Rename
1201 nonweighted succs and preds.
1202 (constraint_edge): Removed.
1203 (constraint_edge_t): Ditto.
1204 (constraint_edge_pool): Ditto.
1205 (new_constraint_edge): Ditto.
1206 (constraint_edge_equal): Ditto.
1207 (constraint_edge_less): Ditto.
1208 (constraint_edge_vec_find): Ditto.
1209 (erase_self_graph_edge): Ditto.
1210 (add_graph_edge): Removed.
1211 (get_graph_weights): Ditto.
1212 (allocate_graph_weights): Ditto.
1213 (valid_weighted_graph_edge): Ditto
1214 (bitmap_other_than_zero_bit_set): Ditto.
1215 (int_add_graph_edge): Renamed to add_graph_edge.
1216 (clear_edges_for_node): Remove support for weighted edges.
1217 (merge_graph_nodes): Ditto.
1218 (valid_graph_edge): Ditto.
1219 (build_constraint_graph): Ditto.
1221 (collapse_nodes): Ditto.
1222 (process_unification_queue): Ditto.
1223 (topo_visit): Ditto.
1224 (do_ds_constraint): Ditto.
1225 (perform_var_subsitution): Ditto.
1226 (solve_graph): Ditto.
1227 (init_alias_vars): Ditto.
1228 (delete_points_to_sets): Ditto.
1229 (do_complex_constraint): Support offsetted copies here.
1231 2006-11-23 Ulrich Weigand <uweigand@de.ibm.com>
1233 * config/spu/spu_intrinsics.h (SPU_RdEventStatMask): Rename to
1235 * config/spu/spu_mfcio.h (spu_read_event_mask): Update.
1237 * config/spu/spu_mfcio.h (struct mfc_list_element): Change width
1240 2006-11-23 Ben Elliston <bje@au.ibm.com>
1242 * config/spu/spu-elf.h (LIB_SPEC): Do not link with -lc_p.
1244 2006-11-23 Zdenek Dvorak <dvorakz@suse.cz>
1246 PR tree-optimization/29921
1247 * fold-const.c (operand_equal_p): Without HONOR_SIGNED_ZEROS, consider
1248 signed and unsigned zero equal.
1250 2006-11-22 Peter Bergner <bergner@vnet.ibm.com>
1252 * config/rs6000/rs6000.c (get_store_dest): New.
1253 (adjacent_mem_locations): Use get_store_dest() to get
1254 the rtl of the store destination.
1256 2006-11-22 Joseph Myers <joseph@codesourcery.com>
1258 * config/rs6000/spe.md (SPE64): New mode macro.
1259 (mov_sidf_e500_subreg0): Change to mov_si<mode>_e500_subreg0. Add
1261 (mov_si<mode>_e500_subreg0_2): New.
1262 (mov_sidf_e500_subreg4): Change to mov_si<mode>_e500_subreg4. Add
1264 (mov_si<mode>_e500_subreg4_2): New.
1265 * config/rs6000/predicates.md (input_operand): Do not allow
1266 invalid E500 subregs.
1267 (rs6000_nonimmediate_operand): Check for invalid E500 subregs also
1269 * config/rs6000/rs6000.c (invalid_e500_subreg): Check for subregs
1270 involving DFmode if TARGET_E500_DOUBLE. Check for subregs
1271 involving vector modes if TARGET_SPE.
1273 2006-11-22 Kaz Kojima <kkojima@gcc.gnu.org>
1276 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
1277 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
1279 2006-11-22 Bernd Schmidt <bernd.schmidt@analog.com>
1281 * config/bfin/predicates.md (d_register_operand, mem_p_address_operand,
1282 mem_i_address_operand): New predicates.
1283 * config/bfin/bfin.c (bfin_issue_rate): New function.
1284 (TARGET_SCHED_ISSUE_RATE): New macro.
1285 * config/bfin/bfin.md (addrtype): New attribute.
1286 (slot0, slot1, slot2, store, pregs): New cpu_units.
1287 (core): Now a define_reservation.
1288 (alu): Remove some insn types from this reservation.
1289 (dsp32, load32, loadp, loadi, store32, storep, storei, multi): New
1291 (dummy reservation): Don't trigger for mcld insns.
1292 (absence_sets): Two new absence sets to enforce slot ordering.
1293 (popsi_insn): Set addrtype.
1295 2006-11-22 Ira Rosen <irar@il.ibm.com>
1297 * doc/c-tree.texi: Document new tree codes.
1298 * doc/md.texi: Document new optabs.
1299 * tree-pretty-print.c (dump_generic_node): Handle print of new tree
1301 * optabs.c (optab_for_tree_code, init_optabs): Handle new optabs.
1302 * optabs.h (optab_index): Add new.
1303 (vec_extract_even_optab, vec_extract_odd_optab,
1304 vec_interleave_high_optab, vec_interleave_low_optab): New optabs.
1305 * genopinit.c (vec_extract_even_optab, vec_extract_odd_optab,
1306 vec_interleave_high_optab, vec_interleave_low_optab): Initialize
1308 * expr.c (expand_expr_real_1): Add implementation for new tree codes.
1309 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
1310 * tree-vectorizer.h (stmt_vec_info): Add new fields for interleaving
1311 along with macros for their access.
1312 * tree-data-ref.h (first_location_in_loop, data_reference): Update
1314 * tree-vect-analyze.c (toplev.h): Include.
1315 (vect_determine_vectorization_factor): Fix indentation.
1316 (vect_insert_into_interleaving_chain,
1317 vect_update_interleaving_chain, vect_equal_offsets): New functions.
1318 (vect_analyze_data_ref_dependence): Add argument for interleaving
1319 check. Check for interleaving if it's true.
1320 (vect_check_dependences): New function.
1321 (vect_analyze_data_ref_dependences): Call vect_check_dependences for
1322 every ddr. Call vect_analyze_data_ref_dependence with new argument.
1323 (vect_update_misalignment_for_peel): Update for interleaving.
1324 (vect_verify_datarefs_alignment): Check only first data-ref for
1326 (vect_enhance_data_refs_alignment): Update for interleaving. Check
1327 only first data-ref for interleaving.
1328 (vect_analyze_data_ref_access): Check interleaving, update
1330 (vect_analyze_data_refs): Call compute_data_dependences_for_loop
1331 with different parameters.
1332 * tree.def (VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR,
1333 VEC_INTERLEAVE_HIGH_EXPR, VEC_INTERLEAVE_LOW_EXPR): New tree codes.
1334 * tree-inline.c (estimate_num_insns_1): Add cases for new codes.
1335 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
1336 Update step in case of interleaving.
1337 (vect_strided_store_supported, vect_permute_store_chain): New
1339 (vectorizable_store): Handle strided stores.
1340 (vect_strided_load_supported, vect_permute_load_chain,
1341 vect_transform_strided_load): New functions.
1342 (vectorizable_load): Handle strided loads.
1343 (vect_transform_stmt): Add argument. Handle strided stores. Check
1344 that vectorized stmt exists for patterns.
1345 (vect_gen_niters_for_prolog_loop): Update calculation for
1347 (vect_transform_loop): Remove stmt_vec_info for strided stores after
1348 whole chain vectorization.
1349 * config/rs6000/altivec.md (UNSPEC_EXTEVEN, UNSPEC_EXTODD,
1350 UNSPEC_INTERHI, UNSPEC_INTERLO): New constants.
1351 (vpkuhum_nomode, vpkuwum_nomode, vec_extract_even<mode>,
1352 vec_extract_odd<mode>, altivec_vmrghsf, altivec_vmrglsf,
1353 vec_interleave_high<mode>, vec_interleave_low<mode>): Implement.
1355 2006-11-22 Steven Bosscher <steven@gcc.gnu.org>
1357 * cse.c (enum taken): Remove PATH_AROUND.
1358 (addr_affects_sp_p, invalidate_skipped_set,
1359 invalidate_skipped_block): Remove.
1360 (cse_end_of_basic_block): Remove skip_blocks and related code.
1361 (cse_main): Don't test for flag_cse_skip_blocks.
1362 Update cse_end_of_basic_block call.
1363 (cse_basic_block): Likewise. Remove PATH_AROUND case. Remove
1364 code to lengthen the path if a jump was simplified.
1366 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
1368 PR rtl-optimization/29924
1369 * loop-unroll.c (split_edge_and_insert): Handle the case insns is NULL.
1370 (unroll_loop_runtime_iterations): Assert that the argument passed to
1371 split_edge_and_insert is not NULL.
1372 * loop-doloop.c (add_test): Ditto.
1374 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
1376 * tree-loop-linear.c (linear_transform_loops): Use single_exit accessor
1378 * tree-ssa-loop-niter.c (loop_only_exit_p): Ditto.
1379 * cfgloopmanip.c (update_single_exits_after_duplication,
1380 update_single_exit_for_duplicated_loop, loop_version): Ditto.
1381 * tree-scalar-evolution.c (get_loop_exit_condition,
1382 get_exit_conditions_rec, loop_closed_phi_def,
1383 number_of_iterations_in_loop, scev_const_prop): Ditto.
1384 * tree-ssa-loop-ivopts.c (single_dom_exit): Ditto.
1385 * modulo-sched.c (generate_prolog_epilog, loop_canon_p, sms_schedule):
1387 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
1389 * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
1390 slpeel_update_phi_nodes_for_guard1, slpeel_update_phi_nodes_for_guard2,
1391 slpeel_make_loop_iterate_ntimes,
1392 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_can_duplicate_loop_p,
1393 slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
1395 * tree-if-conv.c (if_convertible_loop_p): Ditto.
1396 * tree-vect-analyze.c (vect_analyze_operations, vect_stmt_relevant_p,
1397 vect_analyze_loop_form): Ditto.
1398 * lambda-code.c (lambda_loopnest_to_gcc_loopnest, exit_phi_for_loop_p,
1399 can_convert_to_perfect_nest, perfect_nestify): Ditto.
1400 * tree-vect-transform.c (vect_create_epilog_for_reduction,
1401 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
1402 vect_transform_loop): Ditto.
1403 * cfgloop.c (mark_single_exit_loops, verify_loop_structure): Ditto.
1404 (single_exit, set_single_exit): New functions.
1405 * cfgloop.h (struct loop): Rename single_exit field to single_exit_.
1406 (single_exit, set_single_exit): Declare.
1407 * doc/loop.texi: Undocument single_exit field. Document single_exit
1410 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
1412 PR tree-optimization/29902
1413 * tree-ssa-loop-manip.c (can_unroll_loop_p): Return false if
1414 any involved ssa name appears in abnormal phi node.
1416 2006-11-21 Bob Wilson <bob.wilson@acm.org>
1418 * config/xtensa/xtensa.c (xtensa_char_to_class): Delete.
1419 (xtensa_const_ok_for_letter_p): Delete.
1420 (xtensa_extra_constraint): Delete.
1421 (override_options): Delete xtensa_char_to_class initialization.
1422 * config/xtensa/xtensa.h (REG_CLASS_FROM_LETTER): Delete.
1423 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1424 (EXTRA_CONSTRAINT): Delete.
1425 * config/xtensa/xtensa.md: Include constraints.md.
1426 (call_internal): Combine alternatives.
1427 (call_value_internal): Likewise, and remove invalid constraints.
1428 * config/xtensa/constraints.md: New file.
1429 * config/xtensa/xtensa-protos.h (xtensa_const_ok_for_letter_p): Delete.
1430 (xtensa_extra_constraint): Delete.
1431 * doc/md.texi (Machine Constraints): Refer to constraints.md for
1434 2006-11-21 Janis Johnson <janis187@us.ibm.com>
1436 * config/dfp-bits.c (DFP_TO_INT): Remove code to saturate result
1437 of conversion that doesn't fit.
1439 * config/dfp-bit.h (CONTEXT_TRAPS, CONTEXT_ERRORS, DFP_RAISE): Delete.
1440 * config/dfp-bit.c (dfp_unary_op, dfp_binary_op, dfp_compare_op,
1441 DFP_TO_DFP, INT_TO_DFP, BFP_TO_DFP): Remove calls to DFP_RAISE.
1443 * config/dfp-bit.c (dfp_binary_func): Fix typedef.
1445 2006-11-21 Douglas Gregor <doug.gregor@gmail.com>
1447 * c-common.h (enum rid): Add RID_STATIC_ASSERT.
1449 2006-11-21 Richard Guenther <rguenther@suse.de>
1451 * tree-vectorizer.h (NUM_PATTERNS): Increase.
1452 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Add
1453 vect_recog_pow_pattern.
1454 (vect_recog_pow_pattern): New function.
1456 2006-11-21 Bernd Schmidt <bernd.schmidt@analog.com>
1458 * config/bfin/bfin.opt (mstack-check-l1): New.
1459 * doc/invoke.texi (Blackfin Options): Document it.
1460 * config/bfin/bfin.c (bfin_expand_prologue): Generate code to use
1461 stack bounds in L1 memory if the new option is enabled.
1462 (override_options): Don't allow combinations of -fstack-limit and
1464 (add_to_reg): Renamed from add_to_sp. All callers changed. Lose some
1467 * config/bfin/bfin.c (hard_regno_mode_ok): Only allow first 31
1469 (bfin_register_move_cost): Bump costs if trying to move plain
1470 integer values through accumulators.
1472 2006-11-21 Ben Elliston <bje@au.ibm.com>
1474 * config/spu/spu.c (spu_expand_vector_init): Initialise x.
1476 2006-11-20 Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
1477 Russell Olsen <Russell_Olsen@playstation.sony.com>
1478 Dmitri Makarov <Dmitri_Makarov@playstation.sony.com>
1479 Yukishige Shibata <shibata@rd.scei.sony.co.jp>
1480 Nobuhisa Fujinami <fnami@rd.scei.sony.co.jp>
1481 Takeaki Fukuoka <fukuoka@rd.scei.sony.co.jp>
1482 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
1484 * config.gcc: Add target for SPU.
1485 * config/spu/constraints.md: New file.
1486 * config/spu/crt0.c: New file.
1487 * config/spu/crtend.c: New file.
1488 * config/spu/crti.asm: New file.
1489 * config/spu/crtn.asm: New file.
1490 * config/spu/float_unsdidf.c: New file.
1491 * config/spu/float_unssidf.c: New file.
1492 * config/spu/predicates.md: New file.
1493 * config/spu/spu-builtins.def: New file.
1494 * config/spu/spu-builtins.h: New file.
1495 * config/spu/spu-builtins.md: New file.
1496 * config/spu/spu-c.c: New file.
1497 * config/spu/spu-elf.h: New file.
1498 * config/spu/spu-modes.def: New file.
1499 * config/spu/spu-protos.h: New file.
1500 * config/spu/spu.c: New file.
1501 * config/spu/spu.h: New file.
1502 * config/spu/spu.md: New file.
1503 * config/spu/spu.opt: New file.
1504 * config/spu/spu_internals.h: New file.
1505 * config/spu/spu_intrinsics.h: New file.
1506 * config/spu/spu_mfcio.h: New file.
1507 * config/spu/t-spu-elf: New file.
1508 * config/spu/vec_types.h: New file.
1509 * config/spu/vmx2spu.h: New file.
1510 * doc/contrib.texi: Document SPU contributor.
1511 * doc/extend.texi: Document SPU extensions.
1512 * doc/invoke.texi: Document SPU options.
1513 * doc/md.texi: Document SPU constraints.
1515 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
1517 * cfgloopmanip.c (add_loop, duplicate_loop): Do not set level
1519 * cfgloop.c (flow_loop_level_compute, flow_loops_level_compute):
1521 (flow_loop_dump): Do not dump loop level.
1522 (flow_loops_find): Do not call flow_loops_level_compute.
1523 * cfgloop.h (struct loop): Remove level field.
1525 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
1527 * tree-ssa-loop-im.c (schedule_sm, determine_lsm_ref,
1528 hoist_memory_references, loop_suitable_for_sm, determine_lsm_loop):
1529 Use vector of edges instead of array.
1530 * tree-ssa-loop-niter.c (find_loop_niter, find_loop_niter_by_eval,
1531 estimate_numbers_of_iterations_loop): Ditto.
1532 * predict.c (predict_loops): Ditto.
1533 * loop-unroll.c (analyze_insns_in_loop): Ditto.
1534 * tree-ssa-threadupdate.c: Remove declaration of heap allocation for
1536 * basic-block.h: Declare heap allocation for edge vectors.
1537 * tree-outof-ssa.c: Ditto.
1538 * cfgloop.c (get_loop_exit_edges): Return vector of edges.
1539 * cfgloop.h (get_loop_exit_edges): Declaration changed.
1541 2006-11-20 Zack Weinberg <zackw@panix.com>
1543 * gengtype.c (process_gc_options): Remove unnecessary forward decl.
1544 Add another out parameter, "skip".
1545 (set_gc_used_type): Adjust calls to process_gc_options. If a field
1546 is tagged "skip", do not mark its type used.
1548 2006-11-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
1551 * tree-sra.c (single_scalar_field_in_record_p): New function.
1552 (decide_block_copy): Use it.
1554 2006-11-20 David Daney <ddaney@avtrex.com>
1556 * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
1557 PC to point to following instruction.
1559 2006-11-20 Anatoly Sokolov <aesok@post.ru>
1563 * config/avr/avr.h (OBJECT_FORMAT_ELF): Define.
1565 * config/avr/avr.h (DWARF2_DEBUGGING_INFO): Define.
1567 2006-11-20 J"orn Rennecke <joern.rennecke@st.com>
1569 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
1570 Add sh/superh.h to tm_file.
1572 2006-11-20 Carlos O'Donell <carlos@codesourcery.com>
1573 Mark Mitchell <mark@codesourcery.com>
1575 * cppdefault.c: Define cpp_PREFIX, cpp_PREFIX_len, and
1577 (cpp_relocated): New function.
1578 * cppdefault.h: Declare cpp_PREFIX, cpp_PREFIX_len, gcc_exec_prefix
1580 * Makefile.in (PREPROCESSOR_DEFINES): Add -DPREFIX option.
1581 * c-incpath.c (add_standard_paths): Call cpp_relocated. If relocated,
1582 replace configured prefix with gcc_exec_prefix.
1584 2006-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
1586 * config/bfin/bfin.h (LEGITIMATE_CONSTANT_P): Call
1587 bfin_legitimate_constant_p.
1588 * config/bfin/bfin.md (movsi expander): Check return value of
1590 * config/bfin/bfin-protos.h (bfin_legitimate_constant_p): Declare.
1591 (expand_move): Adjust prototype.
1592 * config/bfin/bfin.c (expand_move): Now returns bool. Handle
1593 invalid constants specially.
1594 (bfin_cannot_force_const_mem, bfin_legitimate_constant_p): New
1596 (TARGET_CANNOT_FORCE_CONST_MEM): New macro.
1598 * config/bfin/bfin.md (call_symbol, call_value_symbol, sibcall_symbol,
1599 sibcall_value_symbol): Allow these patterns if
1600 TARGET_LEAF_ID_SHARED_LIBRARY.
1601 * config/bfin/bfin.c (bfin_expand_call): Allow them here as well.
1602 (override_options): Turn on id shared library flags if -msep-data,
1603 but disallow the combination of these options on the command line.
1604 * config/bfin/bfin.h (TARGET_LEAF_ID_SHARED_LIBRARY, MASK_SEP_DATA
1605 MASK_LEAF_ID_SHARED_LIBRARY, TARGET_SEP_DATA): New macros.
1606 (DRIVER_SELF_SPECS): -mleaf-id-shared-library implies
1607 -mid-shared-library.
1608 (TARGET_SWITCHES): Add -mleaf-id-shared-library and -msep-data.
1609 * doc/invoke.texi (Blackfin Options): Document new switches.
1611 * config/bfin/bfin.c (bfin_function_ok_for_sibcall): Handle some
1612 edge cases with local functions and TARGET_ID_SHARED_LIBRARY.
1614 * tree-ssa-loop-ivopts.c (get_address_cost): Do not artificially
1615 inflate costs for addresses with an out-of-bounds address.
1617 2006-11-19 Andrew Pinski <pinskia@gmail.com>
1620 * fwprop.c (loops): Remove.
1621 (forward_propagate_into): Use current_loops instead of
1623 (fwprop_init): Call loop_optimizer_init instead of
1625 (fwprop_done): Call loop_optimizer_finalize instead of
1627 (fwprop): Use current_loops instead of loops.
1629 2006-11-19 Gabriel Dos Reis <gdr@integrable-solutions.net>
1632 * c-opts.c (c_common_handle_option): Enable -Wwrite-strings if -Wall.
1634 2006-11-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1637 * pa.c (emit_move_sequence): Don't split constants with PLUS for modes
1638 larger than BITS_PER_WORD.
1640 2006-11-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1644 * stor-layout.c (set_sizetype): Limit precision of *bitsizetypes types
1645 to MAX_FIXED_MODE_SIZE.
1647 2006-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1649 * builtins.c (integer_valued_real_p): Handle fmin/fmax.
1650 (fold_builtin_fmin_fmax): New.
1651 (fold_builtin_1): Use it.
1653 * fold-const.c (fold_strip_sign_ops): Handle copysign.
1655 2006-11-18 Richard Guenther <rguenther@suse.de>
1657 * config/i386/i386.c (ix86_builtins): New array for ix86
1658 builtin function decls.
1659 (def_builtin): New function.
1660 (def_builtin_const): Likewise.
1661 (ix86_init_mmx_sse_builtins): Mark sqrt and cvt builtins const.
1663 2006-11-18 Vladimir Makarov <vmakarov@redhat.com>
1665 * doc/invoke.texi (core2): Add item.
1667 * config/i386/i386.h (TARGET_CORE2, TARGET_CPU_DEFAULT_core2): New
1669 (TARGET_CPU_CPP_BUILTINS): Add code for core2.
1670 (TARGET_CPU_DEFAULT_generic): Change value.
1671 (TARGET_CPU_DEFAULT_NAMES): Add core2.
1672 (processor_type): Add new constant PROCESSOR_CORE2.
1674 * config/i386/i386.md (cpu): Add core2.
1676 * config/i386/i386.c (core2_cost): New initialized variable.
1677 (m_CORE2): New macro.
1678 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
1679 x86_deep_branch, x86_partial_reg_stall, x86_use_simode_fiop,
1680 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
1681 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
1682 x86_partial_reg_dependency, x86_memory_mismatch_stall,
1683 x86_accumulate_outgoing_args, x86_prologue_using_move,
1684 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
1685 x86_sse_partial_reg_dependency, x86_rep_movl_optimal,
1686 x86_use_incdec, x86_four_jump_limit, x86_schedule,
1687 x86_pad_returns): Add m_CORE2.
1688 (override_options): Add entries for Core2.
1689 (ix86_issue_rate): Add case for Core2.
1691 2006-11-18 Aldy Hernandez <aldyh@redhat.com>
1693 * doc/invoke.texi: Fix mno-isel typo.
1695 2006-11-18 Joseph Myers <joseph@codesourcery.com>
1697 * config/rs6000/spe.md (movv4hi_internal): Add alternative for
1698 easy vector constant loads.
1700 2006-11-18 Joseph Myers <joseph@codesourcery.com>
1702 * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
1703 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
1704 __NO_LWSYNC__ if TARGET_NO_LWSYNC.
1705 * config/rs6000/sync.md (lwsync): Emit plain sync if
1708 2006-11-17 DJ Delorie <dj@redhat.com>
1710 * reload1.c (reloads_unique_chain): New.
1711 (reloads_conflict): Call it.
1713 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1715 * config/xtensa/predicates.md (addsubx_operand): New.
1716 * config/xtensa/xtensa.c (xtensa_emit_branch): New.
1717 (xtensa_emit_bit_branch): New.
1718 (xtensa_emit_movcc): New.
1719 * config/xtensa/xtensa.md (any_minmax): New code macro.
1720 (minmax): New code attribute.
1721 (any_cond, any_scc, any_scc_sf): New code macros.
1722 (*addx2, *addx4, *addx8): Delete.
1724 (*subx2, *subx4, *subx8): Delete.
1726 (sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
1727 (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
1728 (*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
1729 (*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
1730 (seq, sne, sgt, sge, slt, sle): Use any_scc macro.
1731 (movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
1732 (movsfcc_internal0, movsfcc_internal1): Likewise.
1733 (seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
1734 * config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
1735 (xtensa_emit_bit_branch): New.
1736 (xtensa_emit_movcc): New.
1737 (function_arg_boundary): Add missing prototype.
1739 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1741 * config/xtensa/xtensa.md (tstsi): Delete
1743 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1745 * config/xtensa/xtensa.md (entry): Do not emit .frame directive.
1747 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1749 * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
1751 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1753 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
1755 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1757 * tree-vrp.c (execute_vrp): Do not update current_loops.
1758 * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
1759 * doc/loop.texi: Remove documentation for cancelled functions.
1760 * tree-ssa-loop-im.c (loop_commit_inserts): Removed.
1761 (move_computations, determine_lsm): Use bsi_commit_edge_inserts
1763 * cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
1764 (remove_path): Ensure that in delete_basic_blocks, the loops
1765 are still allocated.
1766 (add_loop): Work on valid loop structures.
1767 (loopify): Modify call of add_loop.
1768 (mfb_update_loops): Removed.
1769 (create_preheader): Do not update loops explicitly.
1770 (force_single_succ_latches, loop_version): Do not use
1771 loop_split_edge_with.
1772 (loop_split_edge_with): Removed.
1773 * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
1774 Do not use bsi_insert_on_edge_immediate_loop.
1775 (split_loop_exit_edge, tree_unroll_loop): Do not use
1776 loop_split_edge_with.
1777 (bsi_insert_on_edge_immediate_loop): Removed.
1778 * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops. Do not
1779 use loop_split_edge_with.
1780 * cfghooks.c: Include cfgloop.h.
1781 (verify_flow_info): Verify that loop_father is filled iff current_loops
1783 (redirect_edge_and_branch_force, split_block, delete_basic_block,
1784 split_edge, merge_blocks, make_forwarder_block, duplicate_block):
1786 * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
1788 * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
1789 loop_split_edge_with.
1790 (sms_schedule): Use current_loops.
1791 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
1792 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
1794 (rtl_loop_init, rtl_loop_done): Do not set current_loops.
1795 * tree-ssa-sink.c (execute_sink_code): Use current_loops.
1796 * ifcvt.c (if_convert): Ditto.
1797 * predict.c (predict_loops): Do not clear current_loops.
1798 (tree_estimate_probability): Use current_loops.
1799 (propagate_freq): Receive head of the region to propagate instead of
1801 (estimate_loops_at_level): Do not use shared to_visit bitmap.
1802 (estimate_loops): New function. Handle case current_loops == NULL.
1803 (estimate_bb_frequencies): Do not allocate tovisit. Use
1805 * tree-ssa-loop.c (current_loops): Removed.
1806 (tree_loop_optimizer_init): Do not return loops.
1807 (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
1808 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
1809 slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
1810 Do not update loops explicitly.
1811 * function.h (struct function): Add x_current_loops field.
1812 (current_loops): New macro.
1813 * tree-if-conv.c (combine_blocks): Do not update loops explicitly.
1814 * loop-unroll.c (split_edge_and_insert): New function.
1815 (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
1816 use loop_split_edge_with.
1817 * loop-doloop.c (add_test, doloop_modify): Ditto.
1818 * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
1819 * cfglayout.c (copy_bbs): Do not update loops explicitly.
1820 * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
1821 * tree-vect-transform.c (vect_transform_loop): Do not update loops
1823 * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
1824 (flow_loops_free): Do not free dfs_order and rc_order.
1825 (flow_loops_find): Do not set dfs_order and rc_order in loops
1826 structure. Do not call loops and flow info verification.
1827 (add_bb_to_loop, remove_bb_from_loops): Check whether the block
1828 already belongs to some loop.
1829 * cfgloop.h (struct loops): Remove struct cfg.
1830 (current_loops, loop_split_edge_with): Declaration removed.
1831 (loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
1832 * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
1833 Declaration removed.
1834 * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
1835 * basic-block.h (split_edge_and_insert): Declare.
1836 * tree-cfg.c (remove_bb): Do not update loops explicitly.
1838 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1840 PR tree-optimization/29801
1841 * tree-ssa-ccp.c (get_symbol_constant_value): New function.
1842 (get_default_value): Use get_symbol_constant_value.
1843 (set_lattice_value): ICE when the value of the constant is
1845 (visit_assignment): Ignore VDEFs of read-only variables.
1847 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1849 * tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
1851 (vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1852 vect_gen_niters_for_prolog_loop): Fold the emited expressions.
1854 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1856 * tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
1857 select subvars of var.
1859 2006-11-17 Jakub Jelinek <jakub@redhat.com>
1862 * tree-ssa-forwprop.c (simplify_switch_expr): Don't
1863 optimize if DEF doesn't have integral type.
1865 2006-11-16 Mike Stump <mrs@apple.com>
1867 * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
1868 pre-darwin9 system, unless the user asks for it directly.
1869 (PREFERRED_DEBUGGING_TYPE): Likewise.
1870 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
1871 * config.gcc: Add suppport for darwin9.h.
1872 * config/darwin9.h: Add.
1873 * doc/install.texi (Specific): Clarify darwin documentation.
1875 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
1877 * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
1878 optimizing for size.
1880 2006-11-16 Mike Stump <mrs@apple.com>
1882 * Makefile.in (targhooks.o): Add $(OPTABS_H).
1884 2006-11-16 Dirk Mueller <dmueller@suse.de>
1886 * tree-vrp.c (get_value_range): Use XCNEW instead
1888 (insert_range_assertions): Use XCNEWVEC instead
1889 of XNEWVEC and memset.
1890 (vrp_initialize): Same.
1891 (vrp_finalize): Same.
1892 * tree-ssa-ccp.c (ccp_initialize): Same.
1893 * predict.c (tree_bb_level_predictions): Same.
1894 * calls.c (expand_call): Same.
1895 * tree-ssa-copy.c (init_copy_prop): Same.
1896 (fini_copy_prop): Same.
1897 * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
1898 of GGC_NEW and memset.
1900 2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
1903 * gimplify.c (gimplify_expr): Only force a load for references to
1904 non-BLKmode volatile values.
1905 * doc/implement-c.texi (Qualifiers implementation): Document the
1906 interpretation of what a volatile access is.
1907 * doc/extend.texi (C++ Extensions): Rework same documentation.
1909 2006-11-16 Joseph Myers <joseph@codesourcery.com>
1911 * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
1914 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
1916 * arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
1918 (arm_neg_abssi2): Renamed from neg_abssi2.
1919 (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
1921 2006-11-16 Uros Bizjak <ubizjak@gmail.com>
1923 * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
1924 number of arguments passed to local functions in SSE registers is 3.
1926 * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
1927 number of arguments passed in SSE registers to 3.
1929 2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1932 * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
1934 (get_last_bb_insn): ... new global function.
1935 (basic_block.h): Declare it.
1936 * haifa-sched.c (create_recovery_block): Use it.
1938 2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
1941 * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
1943 2006-11-15 Paul Brook <paul@codesourcery.com>
1945 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
1946 _Unwind_GetTextRelBase): Move from here ...
1947 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
1948 _Unwind_GetTextRelBase): ... To here.
1950 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
1952 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
1953 addresses we generate for testing are aligned.
1955 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
1958 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
1959 to what is the const decl is a place holder for.
1961 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
1963 * config/i386/i386.opt: New target option -mx87regparm.
1965 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
1966 and float_in_x87 variables. mmx_words, sse_words: Remove.
1967 (X87_REGPARM_MAX): Define.
1969 * config/i386/i386.c (override_options): Error out for
1970 -mx87regparm but no 80387 support.
1971 (ix86_attribute_table): Add x87regparm.
1972 (ix86_handle_cconv_attribute): Update comments for x87regparm.
1973 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
1974 (ix86_function_x87regparm): New function.
1975 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
1977 (init_cumulative_args): Initialize x87_nregs and float_in_x87
1979 (function_arg_advance): Process x87_nregs and x87_regno when
1980 floating point argument is to be passed in 80387 register.
1981 (function_arg): Pass XFmode arguments in 80387 registers for local
1982 functions. Pass SFmode and DFmode arguments to local functions
1983 in 80387 registers when flag_unsafe_math_optimizations is set.
1985 * reg-stack.c (convert_regs_entry): Disable NaN load for
1986 stack registers that are used for argument passing.
1988 * doc/extend.texi: Document x87regparm function attribute.
1989 * doc/invoke.texi: Document -mx87regparm.
1991 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
1993 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
1994 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
1995 arg MODE; all callers changed. Use it to determine validity per
1996 machine mode instead of using Pmode for all memory references.
1997 (get_address_cost): Likewise add and use new arg MEM_MODE.
1999 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
2000 J"orn Rennecke <joern.rennecke@st.com>
2002 * combine.c (likely_spilled_retval_1): Fix masking operation.
2003 (likely_spilled_retval_p): Use proper pattern for call to
2004 likely_spilled_retval_1.
2006 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
2008 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
2010 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
2011 that tests for CONSTANT_POOL_ADDRESS_P.
2013 2006-11-15 Jakub Jelinek <jakub@redhat.com>
2015 PR tree-optimization/29581
2016 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
2017 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
2018 type is different between Y and USE, create a temporary
2019 variable, initialize it at the beginning of the body bb
2020 and use it as replacement instead of Y.
2022 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
2025 * gimplify.c (fold_indirect_ref_rhs): Use
2026 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
2028 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
2030 * expmed.c (emit_store_flag_1): New function.
2031 (emit_store_flag): Call it. If we can't find a suitable scc insn,
2033 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
2034 Use do_compare_rtx_and_jump.
2035 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
2036 * arm.md (cstoresi4): New define_expand.
2037 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
2038 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
2039 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
2041 2006-11-14 Caroline Tice <ctice@apple.com>
2043 * dwarf2out.c (debug_pubtypes_section): New static global variable.
2044 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
2046 (pubname_table): Redefine as a vector.
2047 (pubtype_table): New static global variable, defined as a vector.
2048 (pubname_table_allocated): Remove static global variable.
2049 (pubname_table_in_use): Remove static global variable.
2050 (PUBNAME_TABLE_INCREMENT): Remove constant.
2051 (size_of_pubnames): Add parameter to deal with either pubnames or
2052 pubtypes, and change code to deal with table being a vector.
2053 (add_pubname): Change to deal with table being a vector.
2054 (add_pubtype): New function.
2055 (output_pubnames): Add parameter to deal with either pubnames or
2056 pubtypes, and change code to deal with table being a vector.
2057 (gen_array_type_die): Add call to add_pubtype.
2058 (gen_enumeration_type_die): Add call to add_pubtype.
2059 (gen_struct_or_union_type_die): Add call to add_pubtype.
2060 (gen_subroutine_type_die): Add call to add_pubtype.
2061 (gen_typedef_die): Add call to add_pubtype.
2062 (dwarf2out_init): Add code to initialize pubname_table and
2063 pubtype_table vectors; also initialize debug_pubtypes_section.
2064 (prune_unused_types): Change to deal with pubnames being a vector.
2065 (dwarf2out_finish): Change to deal with pubnames being a vector; add
2066 pubnames table to call to output_pubnames; Add code to output pubtypes
2067 table if DEBUG_PUBTYPES_SECTION is defined.
2068 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
2070 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
2072 2006-11-14 Joseph Myers <joseph@codesourcery.com>
2074 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
2075 iwmmxt_nregs if TARGET_IWMMXT_ABI.
2076 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
2077 movv2si_internal): Support moves between core registers.
2079 2006-11-14 Eric Christopher <echristo@apple.com>
2081 * configure: Regenerate with autoconf 2.59.
2083 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
2085 Fix PR tree-optimization/27755
2087 * tree-ssa-pre.c: Update comments.
2088 (bb_bitmap_sets): Add pa_in and deferred member.
2089 (BB_DEFERRED): New macro.
2090 (maximal_set): New variable.
2091 (pre_stats): Add pa_insert member.
2092 (bitmap_set_and): Short circuit orig == dest.
2093 (bitmap_set_subtract_values): New function.
2094 (bitmap_set_contains_expr): Ditto.
2095 (translate_vuses_through_block): Add phiblock argument.
2096 (dependent_clean): New function.
2097 (compute_antic_aux): Update for maximal_set changes.
2098 (compute_partial_antic_aux): New function.
2099 (compute_antic): Handle partial anticipation.
2100 (do_partial_partial_insertion): New function.
2101 (insert_aux): Handle partial anticipation.
2102 (add_to_sets): Add to maximal set.
2103 (compute_avail): Ditto.
2104 (init_pre): Initialize maximal_set.
2105 (execute_pre): Do partial anticipation if -O3+.
2107 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
2109 PR rtl-optimization/29798
2111 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
2112 TARGET_INSN before any other check.
2113 (fwprop_init): Always calculate dominators.
2114 (fwprop_done): Always free them.
2116 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2118 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
2121 2006-11-13 DJ Delorie <dj@redhat.com>
2123 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
2124 temporary for intermediates.
2126 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
2128 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
2129 (sh_optimize_target_register_callee_saved): #if 0 the code
2130 using NOTE_INSN_LOOP_{BEG,END}.
2132 2006-11-13 Roger Sayle <roger@eyesopen.com>
2134 * fold-const.c (optimize_bit_field_compare): Recursively call
2135 fold when simplifying non-constant comparisons between bit-fields.
2137 2006-11-13 Jakub Jelinek <jakub@redhat.com>
2139 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
2141 * configure: Rebuilt.
2143 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
2145 * config/rs6000/cell.md: New file.
2146 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
2148 (ppccell_cost): New cost matrix.
2149 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
2150 (rs6000_override_options): Set rs6000_always_hint to false
2151 for cell. Also align functions/lables/loops to 8byte
2152 for the Cell. Use PROCESSOR_CELL.
2153 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
2154 using_mtcr_multiple.
2155 (rs6000_variable_issue): If the insn is a nonpipelined instruction
2156 on the Cell, return 0.
2157 (rs6000_adjust_cost): Add Cell cost adjustments.
2158 (is_microcoded_insn): Return true for Cell microcoded
2160 (is_nonpipeline_insn): New function.
2161 (rs6000_issue_rate): Add PROCESSOR_CELL.
2162 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
2164 (rs6000_use_sched_lookahead_guard): New function.
2165 (rs6000_sched_reorder): Reorder the ready list, if the second
2166 to last ready insn is a nonepipeline insn on the Cell.
2167 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
2168 (ASM_CPU_SPEC): Add Cell.
2169 * config/rs6000/rs6000.md (cpu): Add Cell.
2170 (cell_micro): New Attr.
2173 2006-11-13 Jakub Jelinek <jakub@redhat.com>
2175 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
2177 * configure: Rebuilt.
2179 2006-11-13 Richard Guenther <rguenther@suse.de>
2181 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
2183 (ix86_expand_lfloorceil): Likewise.
2184 (ix86_expand_rint): Likewise.
2185 (ix86_expand_floorceildf_32): Likewise.
2186 (ix86_expand_floorceil): Likewise.
2187 (ix86_expand_rounddf_32): Likewise.
2188 (ix86_expand_truncdf_32): Likewise.
2189 (ix86_expand_round): Likewise.
2191 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
2192 Mark Mitchell <mark@codesourcery.com>
2194 * gcc.c: Organize search path variables into $prefix relative,
2195 and well-known native. Add comments.
2196 (add_sysrooted_prefix): Add comment.
2197 (process_command): If !gcc_exec_prefix add $prefix based paths.
2198 If *cross_compile == '0', add native well-known paths.
2199 Assert tooldir_base_prefix is always relative.
2200 (main): If print_search_dirs, and if gcc_exec_prefix is set,
2201 use this value for 'install:' path.
2202 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
2204 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
2206 * config/i386/i386.c: Fix a typo in comment.
2208 2006-11-13 Michael Matz <matz@suse.de>
2210 * genemit.c (gen_expand): Allocate enough memory.
2212 2006-11-13 Joseph Myers <joseph@codesourcery.com>
2214 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
2215 __GXX_TYPEINFO_EQUALITY_INLINE but not
2216 __GXX_MERGED_TYPEINFO_NAMES.
2217 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
2218 __GXX_MERGED_TYPEINFO_NAMES.
2219 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
2220 __GXX_TYPEINFO_EQUALITY_INLINE.
2222 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
2223 Zdenek Dvorak <dvorakz@suse.cz>
2225 PR tree-optimization/29680
2226 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
2229 2006-11-12 Jason Merrill <jason@redhat.com>
2230 Andrew Pinski <pinskia@physics.uc.edu>
2233 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
2235 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
2237 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
2238 * tree.c (build_vector): Handle non-_CST elements.
2240 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
2242 * genemit.c (gen_insn): Call gen_exp with a non-null used
2243 when handling multiple insns.
2244 (gen_expand): Likewise.
2245 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
2246 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
2247 (movsi_const_16bit+1): Copy operands[1].
2248 (call_pcrel): Copy the call_site pattern.
2249 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
2251 2006-11-12 Roger Sayle <roger@eyesopen.com>
2253 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
2254 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
2255 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
2256 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
2258 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
2260 Fix PR tree-optimization/29587
2261 * tree-ssa-structalias.c (process_constraint): Don't
2262 mark address taken due only to escaped vars constraint.
2264 2006-11-12 Michael Matz <matz@suse.de>
2265 Roger Sayle <roger@eyesopen.com>
2267 PR rtl-optimization/29797
2268 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
2269 BITS_BIG_ENDIAN targets.
2271 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2273 * builtins.c (fold_builtin_cosh): New.
2274 (fold_builtin_1): Use it.
2275 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
2276 trunc to the list of "odd" functions. Also add llrint, lrint,
2277 rint and nearbyint when flag_rounding_math is false.
2279 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
2281 * tree-flow.h (name_mappings_registered_p): Declare.
2282 * tree-into-ssa.c (name_mappings_registered_p): New function.
2283 * tree-cfg.c (tree_can_merge_blocks_p): Check
2284 name_mappings_registered_p instead of need_ssa_update_p.
2286 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
2288 * tree-ssa-loop.c (tree_vectorize): Return the result of
2290 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
2291 if anything changed.
2292 * tree-vectorizer.h (vectorize_loops): Declaration removed.
2293 * tree-flow.h (vectorize_loops): Declaration changed.
2295 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
2297 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
2299 (issue_prefetch_ref): Move assignment to write_p out of loop.
2300 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
2301 SIMULTANEOUS_PREFETCHES into account.
2302 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
2303 * lambda-code.c (lcm): Renamed to ...
2304 (least_common_multiple): ... and exported.
2305 * tree-flow.h (least_common_multiple): Declare.
2307 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
2309 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
2310 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
2311 ud-chains. Handle AND_EXPR.
2312 (record_estimate): Record whether the estimate is realistic
2313 and whether it is derived from a loop exit.
2314 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
2315 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
2317 (compute_estimated_nb_iterations): Take only realistic bounds into
2318 account. Set estimate_state. Use double_ints.
2319 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
2320 and infer_loop_bounds_from_signedness. Do not consider basic blocks
2321 that do not have to be always executed.
2322 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
2323 to determine whether to call infer_loop_bounds_from_undefined
2324 and compute_estimated_nb_iterations.
2325 (n_of_executions_at_most): Use double_ints.
2326 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
2327 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
2328 * double-int.c (double_int_to_tree): Improve comment.
2329 (double_int_fits_to_tree_p): New function.
2330 * double-int.h (double_int_fits_to_tree_p): Declare.
2331 * tree-data-ref.c: Include langhooks.h.
2332 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
2333 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
2334 (analyze_array): Do not pass estimate_only argument to
2335 analyze_array_indexes.
2336 (get_number_of_iters_for_loop): Build tree from the stored double_int
2338 (get_references_in_stmt, find_data_references_in_stmt): New functions.
2339 (find_data_references_in_loop): Use find_data_references_in_stmt.
2340 * tree-data-ref.h (struct data_ref_loc_d): New.
2341 (get_references_in_stmt): Declare.
2342 (estimate_iters_using_array): Declaration removed.
2343 * cfgloop.h (struct nb_iter_bound): Change type of bound to
2344 double_int. Improve comments. Add is_exit and realistic
2346 (struct loop): Changed type of estimated_nb_iterations to double_int.
2347 Added estimate_state field.
2348 (record_estimate): Declaration removed.
2350 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
2352 * params.c (set_param_value): Initialize the "set" field.
2353 * params.h (struct param_info): Add "set" field.
2354 (PARAM_SET_P): New macro.
2355 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
2356 L1_CACHE_LINE_SIZE): New macros.
2357 * toplev.c (DEFPARAM): Initialize the "set" field.
2358 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
2359 SIMULTANEOUS_PREFETCHES): Removed.
2360 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
2361 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
2362 * config/sparc/sparc.c: Include params.h.
2363 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
2364 L1_CACHE_LINE_SIZE parameters.
2365 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
2367 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
2369 * config/i386/i386.c: Include params.h.
2370 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
2371 (override_options): Set SIMULTANEOUS_PREFETCHES and
2372 L1_CACHE_LINE_SIZE parameters.
2373 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
2374 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
2375 L1_CACHE_LINE_SIZE parameters.
2376 * config/ia64/ia64.c (ia64_optimization_options): Set
2377 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
2378 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
2380 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
2381 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
2382 * doc/invoke.texi: Document new params.
2384 2006-11-12 Roger Sayle <roger@eyesopen.com>
2386 PR tree-optimization/13827
2387 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
2390 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
2392 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
2393 update_single_exit_for_duplicated_loops): New functions.
2394 (duplicate_loop_to_header_edge): Use
2395 update_single_exit_for_duplicated_loops.
2396 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
2397 functions only with ENABLE_CHECKING.
2399 2006-11-12 Andreas Schwab <schwab@suse.de>
2401 * except.c (sjlj_emit_function_enter): Remove unused variable.
2403 2006-11-11 Roger Sayle <roger@eyesopen.com>
2405 * fold-const.c (int_binop_types_match_p): New function.
2406 (size_binop): Relax constraint that both arguments must both have
2407 exactly the same sizetype type. Instead use int_binop_types_match_p.
2408 (size_diffop): Likewise.
2410 (make_range): Use build_int_cst instead of fold_convert.
2411 (fold_cond_expr_with_comparison): Use build_int_cst to construct
2412 integer constants of the correct type.
2413 (fold_div_compare): Likewise.
2414 (fold_single_bit_test): Likewise.
2415 (fold_binary): Likewise.
2416 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
2417 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
2419 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
2422 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
2423 non null value if the struct memory access is in the 0th
2426 2006-11-12 Jie Zhang <jie.zhang@analog.com>
2429 2006-11-11 Jie Zhang <jie.zhang@analog.com>
2430 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
2433 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
2434 instead of builtin_define for bfin and BFIN.
2436 2006-11-11 Jie Zhang <jie.zhang@analog.com>
2438 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
2441 2006-11-11 Jan Hubicka <jh@suse.cz>
2443 * extend.texi (__builtin_expect): We no longer require second argument
2445 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
2446 * builtins.c (expand_builtin_expect): Simplify.
2447 (expand_builtin_expect_jump): Kill.
2448 * final.c (final_scan_insn): Do not skip the removed notes.
2449 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
2450 EXPECTED_VALUE): Remove.
2451 * dojump.c (do_jump): Do not care about __builtin_expect.
2452 * predict.c (expected_value_to_br_prob): Kill.
2453 * function.c (expand_function_end): Do not expand
2454 NOTE_INSN_REPEATED_LINE_NUMBER.
2455 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
2456 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
2457 * cfgexpand.c (add_reg_br_prob_note): Export.
2458 * cfgcleanup.c (rest_of_handle_jump2): Do not call
2459 expected_value_to_br_prob.
2460 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
2461 * rtl.h (add_reg_br_prob_note): Declare.
2463 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2465 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
2467 2006-11-11 Jan Hubicka <jh@suse.cz>
2469 * predict.c (predict_loops): Kill RTL variant.
2471 2006-11-11 Jan Hubicka <jh@suse.cz>
2473 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
2474 * modulo-sched.c (find_line_note): Remove.
2475 (loop_canon_p): Do not worry about line number notes.
2476 (sms_schedule): Likewise.
2477 * cse.c (cse_main): Likewise.
2478 * regmove.c (fixup_match_1): Likewise
2479 * function.c (emit_return_info_block): Likewise.
2480 (expand_function_end): Likewise.
2481 (thread_prologue_an_epilogue_insns): Likewise.
2482 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
2484 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
2485 emit_note_copy_after): Kill.
2486 (emit_note_copy): Do not worry about line numbers.
2487 * jump.c (purge_line_number_notes): Kill.
2488 (pass_purge_lineno_notes): Kill.
2489 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
2491 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
2492 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
2493 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
2494 * tree-pass.h (pass_purge_lineno_notes): Kill.
2495 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
2496 rm_redundant_line_notes.
2497 * sched-rgb.c (schedule_region): Don't rm_line_notes,
2498 rm_redundant_line_notes.
2499 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
2500 * haifa-sched.c: Update comment about handling notes.
2501 (unlink_line_notes): Kill.
2502 (rm_line_notes): Kill.
2503 (save_line_notes): Simplify.
2504 (rm_redundant_line_notes): Kill.
2506 2006-11-11 Richard Guenther <rguenther@suse.de>
2508 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
2509 Remove unused tree codes.
2510 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
2511 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
2512 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
2513 * tree.c (stabilize_reference): Likewise.
2514 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
2515 fold_unary): Likewise.
2516 * tree-gimple.c (is_gimple_cast): Likewise.
2517 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
2518 * expr.c (expand_expr_real_1): Likewise.
2519 * tree-eh.c (tree_could_trap_p): Likewise.
2520 * gimplify.c (gimplify_expr): Likewise.
2521 * tree-inline.c (estimate_num_insns_1): Likewise.
2522 * tree-cfg.c (verify_expr): Likewise.
2524 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
2526 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
2527 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
2528 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
2530 2006-11-11 Richard Sandiford <richard@codesourcery.com>
2533 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
2534 constraints accept neither registers or memories.
2536 2006-11-11 Jie Zhang <jie.zhang@analog.com>
2538 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
2539 (NO_PROFILE_COUNTERS): Define as 1.
2541 2006-11-10 Roger Sayle <roger@eyesopen.com>
2543 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
2544 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
2546 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
2548 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
2550 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2552 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
2553 (fold_builtin_hypot): Likewise.
2554 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
2556 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
2558 2006-11-10 Roger Sayle <roger@eyesopen.com>
2560 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
2561 when attempting to build INTEGER_CSTs of non-integral types.
2562 * expmed.c (make_tree): Use the correct type, i.e. the inner
2563 type, when constructing the individual elements of a CONST_VECTOR.
2565 2006-11-10 Jan Hubicka <jh@suse.cz>
2567 * cse.c (cse_process_notes): Copy the propagated value.
2568 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
2570 * gcse.c (try_replace_reg): Copy the replacement.
2571 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
2572 (assign_386_stack_local): Always return copied memory expression
2573 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
2576 2006-11-10 Jan Hubicka <jh@suse.cz>
2578 * final.c (final): Walk from first instruction.
2579 * cfglayout.c (insn_locators_initialize): Remove line number notes.
2581 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
2584 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
2586 (umulv8hi3_highpart): Ditto.
2587 (vec_widen_smult_hi_v8hi): New expander.
2588 (vec_widen_smult_lo_v8hi): Ditto.
2590 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2593 * builtins.c (do_mpfr_arg3): New.
2594 (fold_builtin_1): Handle builtins fma, fmin and fmax.
2596 2006-11-09 Eric Christopher <echristo@apple.com>
2601 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
2602 * config.gcc (powerpc64-*-darwin*): New target.
2603 * config.host: Ditto.
2604 * config/rs6000/darwin64.h: New file.
2605 * config/rs6000/x-darwin64: Ditto.
2606 * config/rs6000/host-ppc64-darwin.c: Ditto.
2608 2006-11-09 Steve Ellcey <sje@cup.hp.com>
2610 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
2611 routines for integer division.
2613 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
2615 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
2617 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
2620 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
2622 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
2624 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
2625 simplify_subreg with BLKmode outer mode.
2627 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
2629 * doc/invoke.texi: Minor formatting fixes in option lists.
2631 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
2633 PR tree-optimization/29738
2634 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
2635 (ccp_lattice_t): Remove UNKNOWN_VAL.
2636 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
2637 Do not handle UNKNOWN_VAL.
2638 (get_default_value): Set initial value of virtual operands to
2640 (get_value): Always use get_default_value on uninitialized
2642 (set_value_varying, surely_varying_stmt_p): New functions.
2643 (set_lattice_value): Do not pass argument to get_value.
2644 Do not handle UNKNOWN_VAL.
2645 (likely_value): Follow the semantics described in the comment.
2646 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
2647 phi nodes DONT_SIMULATE_AGAIN.
2648 (ccp_fold): Do not pass argument to get_value.
2649 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
2652 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
2654 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
2655 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
2657 2006-11-08 Roger Sayle <roger@eyesopen.com>
2659 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
2660 test for inclusion rather than as a test for exclusion.
2661 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
2662 the condition after calling fold_binary.
2663 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
2664 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
2665 * builtins.c (fold_builtin_isascii): Likewise.
2666 (fold_builtin_isdigit): Likewise.
2668 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
2670 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
2671 * configure: Regenerate.
2673 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2675 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
2676 enum argument instead of bool.
2677 (vect_analyze_operations): Call vectorizable_type_promotion.
2678 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
2679 stmt_vec_info_type value.
2680 (supportable_widening_operation, vectorizable_type_promotion): New
2681 function declarations.
2682 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
2683 (vectorizable_type_promotion): New function.
2684 (vect_transform_stmt): Call vectorizable_type_promotion.
2685 * tree-vect-analyze.c (supportable_widening_operation): New function.
2686 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
2688 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
2691 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
2692 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
2693 * tree-inline.c (estimate_num_insns_1): Add cases for above new
2695 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
2696 * expr.c (expand_expr_real_1): Likewise.
2697 * optabs.c (optab_for_tree_code): Likewise.
2698 (init_optabs): Initialize new optabs.
2699 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
2700 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
2701 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
2702 vec_unpacku_lo_optab): Initialize new optabs.
2703 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
2704 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
2705 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
2707 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
2708 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
2709 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
2710 (vec_unpacku_lo_optab): New optabs.
2711 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
2712 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
2713 (vec_widen_smult_hi, vec_widen_smult_lo): New.
2714 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
2715 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
2716 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
2718 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
2719 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
2720 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
2721 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
2722 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
2723 implement the unsigned unpacking patterns.
2724 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
2725 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
2726 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
2727 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
2728 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
2729 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
2730 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
2731 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
2732 multiplication patterns.
2734 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
2735 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
2736 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
2737 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
2738 (rs6000_builtin_mul_widen_odd): New.
2739 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
2740 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
2741 * tree-vectorizer.h (enum vect_relevant): New enum type.
2742 (_stmt_vec_info): Field relevant chaned from bool to enum
2744 (STMT_VINFO_RELEVANT_P): Updated.
2745 (STMT_VINFO_RELEVANT): New.
2746 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
2747 instead of STMT_VINFO_RELEVANT_P.
2748 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
2749 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
2750 and boolean variable with enum vect_relevant.
2751 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
2752 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
2753 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
2755 2006-11-08 Richard Henderson <rth@redhat.com>
2757 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
2758 vec_widen_umult_lo_v8hi): New.
2759 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
2760 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
2762 * config/i386/i386.c (ix86_expand_sse_unpack): New.
2763 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
2764 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
2765 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
2766 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
2767 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
2768 vec_unpacks_lo_v4si): New.
2770 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2772 * tree-vect-transform.c (vectorizable_type_demotion): New function.
2773 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
2774 (vect_analyze_operations): Call vectorizable_type_demotion.
2775 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
2776 stmt_vec_info_type value.
2777 (vectorizable_type_demotion): New function declaration.
2778 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
2781 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
2782 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
2784 * tree-iniline.c (estimate_num_insns_1): Likewise.
2785 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
2786 * optabs.c (optab_for_tree_code): Likewise.
2788 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
2789 compared against the predicate of the result is not 'mode' (the input
2790 to the function) but a mode with half the size of 'mode'.
2791 (init_optab): Initialize new optabs.
2792 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
2794 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
2796 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
2797 (vec_pack_usat_optab): Initialize new optabs.
2798 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
2799 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
2801 2006-11-08 Richard Henderson <rth@redehat.com>
2803 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
2804 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
2805 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
2806 (vec_interleave_highv4si, vec_interleave_lowv4si):
2807 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
2809 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2811 * tree-vect-transform.c (vectorizable_reduction): Support multiple
2813 (vect_transform_stmt): Removed redundant code.
2815 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2817 * tree-vect-transform.c (vectorizable_operation): Support multiple
2820 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2822 * tree-vect-transform.c (vect_align_data_ref): Removed.
2823 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
2824 Updated function documentation. Return the increment stmt in ptr_incr.
2825 (bump_vector_ptr): New function.
2826 (vect_get_vec_def_for_stmt_copy): New function.
2827 (vect_finish_stmt_generation): Create a stmt_info to newly created
2829 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
2831 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
2832 VF is greater than the number of elements that can fit in one vector
2834 (vectorizable_operation, vectorizable_condition): Likewise.
2835 (vectorizable_store, vectorizable_load): Support the case that the VF
2836 is greater than the number of elements that can fit in one vector word.
2837 (vect_transform_loop): Don't fail in case of multiple data-types.
2838 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
2839 in case of multiple data-types; the smallest type determines the VF.
2840 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
2841 if they are of different sizes.
2842 (vect_update_misalignment_for_peel): Compare misalignments in terms of
2843 number of elements rather than number of bytes.
2844 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
2845 (vect_can_advance_ivs_p): Fix a dump printout
2847 2006-11-07 Eric Christopher <echristo@apple.com>
2849 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
2850 (__bswapsi2): Ditto.
2851 * libgcc2.h: Remove transformation of bswap routines.
2852 * config/i386/i386.md (bswapsi2): New.
2855 2006-11-07 Jakub Jelinek <jakub@redhat.com>
2857 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
2858 (handle_gnu_inline_attribute): New function.
2859 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
2860 (merge_decls, start_decl, start_function): Likewise.
2861 * doc/extend.texi: Document gnu_inline attribute.
2863 2006-11-07 Steve Ellcey <sje@cup.hp.com>
2866 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
2867 _fixunstfdi, and _floatditf
2869 2006-11-06 Anatoly Sokolov <aesok@post.ru>
2871 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
2873 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
2874 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
2875 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
2876 which start in an odd register.
2878 2006-11-07 Richard Sandiford <richard@codesourcery.com>
2880 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
2882 2006-11-07 Josh Conner <jconner@apple.com>
2884 * doc/invoke.texi (fstrict-aliasing): Move implementation
2886 * doc/tree-ssa.texi (Alias analysis): ...here.
2888 2006-11-07 Richard Guenther <rguenther@suse.de>
2890 PR tree-optimization/29610
2891 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
2892 of tree_purge_dead_eh_edges as it may free dominators.
2894 * g++.dg/other/pr29610.C: New testcase.
2896 2006-11-07 David Ung <davidu@mips.com>
2898 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
2899 costs when optimizing for size.
2900 (override_options): Use mips_rtx_cost_optimize_size table for cost
2903 2006-11-07 Jie Zhang <jie.zhang@analog.com>
2905 * gcc.c (process_command): Treat -b as normal switch if its argument
2908 2006-11-07 David Ung <davidu@mips.com>
2910 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
2913 2006-11-06 Eric Christopher <echristo@apple.com>
2915 * config.gcc: Add x86_64-darwin host support.
2916 * config.host: Ditto.
2917 * config/i386/darwin64.h: New file.
2918 * config/i386/t-darwin64: Ditto.
2920 2006-11-06 Janis Johnson <janis187@us.ibm.com>
2922 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
2923 and output-exists-not.
2925 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
2928 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
2929 checking for overflow.
2931 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
2933 * configure.ac: Fixed typo in case statement: :: changed to ;;
2935 2006-11-06 Bob Wilson <bob.wilson@acm.org>
2937 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
2938 count_leading_zeros, and count_trailing_zeros.
2939 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
2940 (TARGET_FOLD_BUILTIN): Define.
2941 (TARGET_EXPAND_BUILTIN): Define.
2942 (xtensa_init_builtins): New.
2943 (xtensa_fold_builtin): New.
2944 (xtensa_expand_builtin): New.
2945 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
2946 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
2947 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
2948 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
2949 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
2950 (any_extend): New code macro.
2951 (u, su): New code attributes.
2952 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
2953 (nsau): Remove; replaced by clzsi2.
2954 (ffssi2): Use clzsi2.
2955 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
2956 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
2957 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
2958 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
2959 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
2961 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
2963 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
2965 * config/arm/t-strongarm-elf: Likewise.
2966 * config/arm/t-pe: Likewise.
2967 * config/arm/t-arm-elf: Likewise.
2968 * config/arm/t-xscale-elf: Likewise.
2969 * config/arm/t-arm-coff: Likewise.
2970 * config/arm/t-xscale-coff: Likewise.
2971 * config/arm/t-wince-pe: Likewise.
2973 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
2975 * config/sh/lib1funcs-4-300.asm: Guard entire file with
2978 2006-11-05 Jakub Jelinek <jakub@redhat.com>
2981 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
2984 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
2987 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
2988 as a valid 80387 constant.
2989 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
2990 * config/i386/i386.md (unnamed splitter): Split the load of
2991 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
2994 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
2996 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
2997 from the soft-frame, argument and virtual registers.
2999 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
3001 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
3002 patterns for standard 80387 constants.
3004 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
3005 Steven Bosscher <steven@gcc.gnu.org>
3007 * fwprop.c: New file.
3008 * Makefile.in: Add fwprop.o.
3009 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
3010 * passes.c (init_optimization_passes): Schedule forward propagation.
3011 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
3013 * timevar.def (TV_FWPROP): New.
3014 * common.opt (-fforward-propagate): New.
3015 * opts.c (decode_options): Enable forward propagation at -O2.
3016 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
3017 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
3018 canon_for_address, table_size): Remove.
3019 (new_basic_block, insert, remove_from_table): Remove references to
3021 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
3022 simplification loop more straightforward by not calling fold_rtx
3024 (equiv_constant): Move here a small part of fold_rtx_subreg,
3025 do not call fold_rtx. Call avoid_constant_pool_reference
3027 * recog.h (canonicalize_change_group): New.
3029 * doc/invoke.texi (Optimization Options): Document fwprop.
3030 * doc/passes.texi (RTL passes): Document fwprop.
3032 2006-11-03 Geoffrey Keating <geoffk@apple.com>
3034 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
3035 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
3036 (grokdeclarator): Likewise.
3038 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
3040 * tree-dump.c (dump_enable_all): Rename local variable
3041 ir_type to avoid name conflicts.
3042 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
3043 instead of using ir_type().
3044 * profile.c (tree_register_profile_hooks): Likewise.
3045 * value-prof.c (tree_register_value_prof_hooks): Likewise.
3046 * basic-block.h (struct edge_def): Likewise.
3047 * config/arm/arm.c (legitimize_pic_address): Likewise.
3048 * coretypes.h (ir_type): New enum of all intermediate languages
3050 * cfghooks.c (ir_type): Rename to...
3051 (current_ir_type): ...this. Distinguish between cfgrtl and
3052 cfglayout mode when the current IR is RTL. Return enum ir_type.
3053 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
3055 2006-11-03 Paul Brook <paul@codesourcery.com>
3057 * config/arm/arm.c (arm_file_start): New function.
3058 (TARGET_ASM_FILE_START): Define.
3059 (arm_default_cpu): New variable.
3060 (arm_override_options): Set arm_default_cpu.
3062 2006-11-03 David Ung <davidu@mips.com>
3064 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
3065 PROCESSOR_24KC and PROCESSOR_24KF.
3066 * config/mips/mips.c (mips_cpu_info_table): Add processor names
3067 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
3068 (mips_rtx_cost_data): Add costs for the 24kc.
3069 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
3070 * config/mips/24k.md: Remove references to 24k and replace with
3071 uses of 24kc/24kf in the appropriate reservations.
3072 * doc/invoke.texi (MIPS Options): Updated.
3074 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
3076 * config/sh/crt1.asm: Fix #ifdef indent.
3078 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
3079 Merged from STMicroelectronics sources:
3080 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
3081 * config/sh/crt1.asm (vbr_600): Add missing #if.
3082 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
3083 * sh.opt (mfused-madd): New option.
3084 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
3085 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
3086 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
3087 Remove pointless handler at VBR+0.
3088 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
3089 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
3090 fr7. Make sure the timer handler is called with the correct FPU
3091 precision setting, according to the ABI.
3092 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
3093 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
3094 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
3095 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
3096 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
3097 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
3098 zero as second operand.
3099 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
3100 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
3101 Fixed some bugs related to negative values, in particular -0
3102 and overflow at -0x80000000.
3103 * config/sh/divcost-analysis: Added sh4-300 figures.
3104 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
3105 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
3106 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
3107 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
3108 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
3109 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
3111 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
3113 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
3114 SH4-300 scheduling description & fixes to SH4-[12]00 description:
3115 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
3116 mac_mem, mem_mac, dfp_mul, fp_cmp.
3117 (insn_class, dfp_comp, any_fp_comp): Update.
3118 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
3119 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
3120 (muldf3_i): Likewise.
3121 (movsi_i): Split rI08 alternative into two separate alternatives.
3123 (movsi_ie, movsi_i_lowpart): Likewise.
3124 (movqi_i): Split ri alternative into two separate alternatives.
3126 * sh1.md (sh1_load_store, sh1_fp): Update.
3127 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
3128 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
3129 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
3130 (sh4a_fp_double_arith): Likewise.
3131 * sh4-300.md: New file.
3132 * sh.c (sh_handle_option): Handle m4-300* options.
3133 (sh_adjust_cost): Fix latency of auto-increments.
3134 Handle SH4-300 differently than other SH4s. Check for new insn types.
3135 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
3136 been set by an option.
3137 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
3138 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
3139 (mbranch-cost=): Likewise.
3140 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
3142 * sh.md (mulsf3): Remove special expansion code.
3143 (mulsf3_ie): Now a define_insn_and_split.
3144 (macsf3): Allow for TARGET_SH4.
3146 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
3147 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
3148 (expand_cbranchdi4): Likewise.
3149 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
3150 CONST_DOUBLE if the outer code is COMPARE.
3151 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
3152 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
3153 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
3154 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
3155 Remove redundant fp_{zero,one}_operand checks.
3156 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
3157 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
3158 (expand_cbranchdi4): Likewise.
3159 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
3160 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
3162 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
3164 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
3167 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
3169 * doc/invoke.texi: Fix mfp-trap-mode typo.
3171 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
3173 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
3174 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
3175 file_end_indicate_exec_stack.
3176 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
3178 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
3179 for a non-executable stack.
3180 * crti.asm: Likewise.
3181 * crtn.asm: Likewise.
3182 * libunwind.S: Likewise.
3184 2006-11-02 Ben Elliston <bje@au.ibm.com>
3186 * tree-ssa.c (warn_uninit): Use expand_location variables for
3187 locus and declaration locus.
3189 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
3192 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
3193 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
3194 cmp{eq,gt,gtu}{si,di}_media.
3195 (*cmpne0si_media): Remove.
3196 (*movsicc_umin): Adjust gen_cmp*_media call.
3197 (unordered): Change the mode of unordered and operands[1] to
3199 (seq): Adjust gen_cmp*_media calls. Make the mode of
3200 a temporary result of compare SImode if needed. If the mode
3201 of operands[0] is DImode, extend the temporary result to DImode.
3202 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
3203 (sunorderd): Change the mode of match_operand and unorderd to
3205 (cmpeq{sf,df}_media): Remove.
3206 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
3207 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
3208 and compare operation to SImode.
3210 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
3212 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
3214 (sparc64-sun-solaris2*): Likewise.
3216 2006-11-02 Paul Brook <paul@codesourcery.com>
3218 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
3219 from priority argument. Use different section for non-default
3221 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
3223 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
3226 * except.c (switch_to_exception_section): Do not cache the section
3227 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
3228 and flag_function_sections is set.
3230 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3233 * builtins.c (do_mpfr_sincos): New.
3234 (fold_builtin_1): Use it to fold builtin sincos.
3236 2006-11-01 Roger Sayle <roger@eyesopen.com>
3238 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
3239 it into -D_REENTRANT.
3241 2006-11-01 Roger Sayle <roger@eyesopen.com>
3243 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
3244 whether the assembler supports taking the difference of symbols in
3245 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
3246 * configure: Regenerate.
3247 * config.in: Regenerate.
3248 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
3249 the assembler doesn't support taking the difference of symbols in
3250 different sections, i.e. we're using the native solaris assembler.
3252 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
3253 Peter Bergner <bergner@vnet.ibm.com>
3255 * doc/invoke.texi: Add cpu_type power6x
3256 (RS/6000 and PowerPC Options): Add -mmfpgpr.
3257 * config.gcc: Add cpu_type power6x.
3258 * configure.ac: Add test for mf{t,f}gpr instructions.
3259 (HAVE_AS_MFPGPR): New.
3260 * config.in: Regenerate.
3261 * configure: Regenerate.
3262 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
3263 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
3264 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
3265 and mftgpr attributes.
3266 (define_attr "cpu"): Add power6.
3267 Change instruction sequences to use new attributes.
3268 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
3269 (fix_truncdfsi2_mfpgpr): New.
3270 (floatsidf_ppc64_mfpgpr): New.
3271 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
3272 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
3273 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
3274 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
3275 (fix_truncdfsi2): Use gpc_reg_operand constraint.
3276 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
3277 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
3278 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
3279 cntlz,exts and var_delayed_compare.
3280 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3281 _ARCH_PWR6X, if features enabled.
3282 * config/rs6000/rs6000.opt (mmfpgpr): New.
3283 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
3284 (cached_can_issue_more): New variable.
3285 (processor_costs): Add power6_cost.
3286 (rs6000_sched_init): New function.
3287 (is_dispatch_slot_restricted): Deleted.
3288 (set_to_load_agen): New function.
3289 (is_load_insn,is_store_insn): New functions.
3290 (adjacent_mem_locations): New function.
3291 (insn_must_be_first_in_group): New function.
3292 (insn_must_be_last_in_group): New function.
3293 (rs6000_sched_reorder): New function.
3294 (rs6000_sched_reorder2): New function.
3295 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
3296 TARGET_SCHED_REORDER2): Define.
3297 (processor_target_table): Use PROCESSOR_POWER6 for power6.
3298 Add power6x. Add MASK_MFPGPR for power6x.
3299 (POWERPC_MASKS): Add MASK_MFPGPR.
3300 (rs6000_override_options): Set rs6000_always_hint to false
3301 for power6. Set rs6000_align_branch_targets. Replace
3302 rs6000_sched_groups check with rs6000_align_branch_targets.
3303 Use PROCESSOR_POWER6.
3304 (last_scheduled_insn): New variable.
3305 (load_store_pendulum): New variable.
3306 (rs6000_variable_issue): Set last_scheduled_insn and
3307 cached_can_issue_more.
3308 (rs6000_adjust_cost): Add power6 cost adjustments.
3309 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
3310 with insn_must_be_first_in_group. Add power6 priority adjustments.
3311 (rs6000_issue_rate): Add CPU_POWER6.
3312 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
3313 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
3314 (TARGET_MFPGPR): New.
3315 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
3316 (ASM_CPU_SPEC): Add power6x.
3317 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
3319 * config/rs6000/power6.md: New file.
3321 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
3323 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
3324 HOST_WIDE_INT_PRINT to print high and low parts. Use
3325 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
3326 printing a hexadecimal number prefix it with 0x.
3328 2006-11-01 Chris Johns <chris@contemporary.net.au>
3331 * Makefile.in (install-driver): Use exeext when installing
3332 $target-gcc-$version.
3334 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
3336 * c-common.c (flag_cpp0x): New.
3337 * c-common.h (flag_cpp0x): New.
3338 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
3339 supported, define __GXX_EXPERIMENTAL_CPP0X__.
3340 * c-opts.c (set_std_cxx0x): New.
3341 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
3342 * c.opt (std=c++0x): Document.
3343 (std=gnu++0x): Ditto.
3344 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
3345 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
3347 2006-11-01 Richard Guenther <rguenther@suse.de>
3349 * config/i386/i386.c (ix86_expand_rint): Fix issues with
3351 (ix86_expand_floorceildf_32): Likewise.
3352 (ix86_expand_floorceil): Likewise.
3353 (ix86_expand_trunc): Likewise.
3355 2006-10-31 Andrew Pinski <pinskia@gmail.com>
3357 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
3360 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
3362 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
3364 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
3366 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
3368 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
3369 * configure.ac (use_cxa_atexit): As a special case, don't test
3370 for libc definition of __cxa_atexit on mingw32
3371 * configure: Regenerate.
3372 * config.gcc (i[34567]86-pc-mingw32): Default to
3373 enable__cxa_atexit=yes.
3375 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3377 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
3379 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3382 * c-decl.c (start_struct): Don't create self-containing
3384 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
3386 * config/rs6000/rs6000-protos.h
3387 (darwin_rs6000_special_round_type_align): New.
3388 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
3389 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
3391 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3393 * toplev.c (compile_file): Call final_write_globals
3394 even if there have been errors.
3396 2006-10-31 Eric Christopher <echristo@apple.com>
3397 Falk Hueffner <falk@debian.org>
3399 * doc/extend.texi (__builtin_bswap32): Document.
3400 (__builtin_bswap64): Ditto.
3401 * doc/libgcc.texi (bswapsi2): Document.
3403 * doc/rtl.texi (bswap): Document.
3404 * optabs.c (expand_unop): Don't widen a bswap.
3405 (init_optabs): Init bswap. Set libfuncs explicitly
3406 for bswapsi2 and bswapdi2.
3407 * optabs.h (OTI_bswap): New.
3408 (bswap_optab): Ditto.
3409 * genopinit.c (optabs): Handle bswap_optab.
3410 * tree.h (tree_index): Add TI_UINT32_TYPE and
3412 (uint32_type_node): New.
3413 (uint64_type_node): Ditto.
3414 * tree.c (build_common_tree_nodes_2): Initialize
3415 uint32_type_node and uint64_type_node.
3416 * builtins.c (expand_builtin_bswap): New.
3417 (expand_builtin): Call.
3418 (fold_builtin_bswap): New.
3419 (fold_builtin_1): Call.
3420 * fold-const.c (tree_expr_nonnegative_p): Return true
3422 * builtin-types.def (BT_UINT32): New.
3424 (BT_FN_UINT32_UINT32): Ditto.
3425 (BT_FN_UINT64_UINT64): Ditto.
3426 * builtins.def (BUILT_IN_BSWAP32): New.
3427 (BUILT_IN_BSWAP64): Ditto.
3428 * rtl.def (BSWAP): New.
3429 * genattrtab.c (check_attr_value): New.
3430 * libgcc2.c (__bswapSI2): New.
3431 (__bswapDI2): Ditto.
3432 * libgcc2.h (__bswapSI2): Declare.
3433 (__bswapDI2): Ditto.
3434 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
3435 * simplify-rtx.c (simplify_const_unary_operation): Return
3437 * libgcc-std.ver (__bwapsi2): Add.
3438 (__bswapdi2): Ditto.
3439 * reload1.c (eliminate_regs_1): Add bswap.
3440 (elimination_effects): Ditto.
3441 * config/i386/i386.h (x86_bswap): New.
3442 (TARGET_BSWAP): Use.
3443 * config/i386/i386.c (x86_bswap): Set.
3445 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3447 * coverage.c (coverage_checksum_string): Update comment.
3448 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
3449 of get_file_function_name.
3450 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
3451 of get_file_function_name_long.
3452 * tree.c (get_file_function_name): Rename from
3453 get_file_function_name_long; improve comment; handle 'I' and 'D'
3454 specially when the target has ctor/dtor support; remove special
3456 (get_file_function_name): Remove.
3457 * tree.h (get_file_function_name): Rename from
3458 get_file_function_name_long.
3459 (get_file_function_name): Remove prototype.
3461 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3463 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
3464 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
3466 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
3467 Call dsymutil when compiling and linking one or more source files
3470 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3473 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
3475 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3477 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
3478 inline static functions in c99 mode.
3481 * doc/extend.texi (Inline): Update.
3482 * c-tree.h (struct language_function): Remove field 'extern_inline'.
3483 * c-decl.c (current_extern_inline): Delete.
3484 (pop_scope): Adjust test for an undefined nested function.
3485 Add warning about undeclared inline function.
3486 (diagnose_mismatched_decls): Update comments. Disallow overriding
3487 of inline functions in a translation unit in C99. Allow inline
3488 declarations in C99 at any time.
3489 (merge_decls): Boolize variables. Handle C99 'extern inline'
3491 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
3492 C99 inline semantics.
3493 (start_function): Don't clear current_extern_inline. Don't set
3495 (c_push_function_context): Don't push current_extern_inline.
3496 (c_pop_function_context): Don't restore current_extern_inline.
3499 * c-typeck.c (build_external_ref): Warn about static variables
3500 used in extern inline functions.
3501 * c-decl.c (start_decl): Warn about static variables declared
3502 in extern inline functions.
3504 2006-10-31 Roger Sayle <roger@eyesopen.com>
3507 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
3508 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
3509 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
3510 or y is an even integer.
3512 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
3515 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
3516 * gthr-posix95.h (__gthread_active_p): Likewise.
3518 2006-10-31 Richard Guenther <rguenther@suse.de>
3520 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
3521 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
3522 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
3523 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
3524 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
3525 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
3526 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
3527 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
3530 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
3532 * opts.c (decode_options): Disable CSE skip blocks.
3534 2006-10-30 Dirk Mueller <dmueller@suse.de>
3536 * c-common.h (strict_aliasing_warning): Fix whitespace.
3537 * c-decl (start_function): Move code for main decl warning ..
3538 * c-common.c (check_main_parameter_types): .. here.
3539 * c-common.h (check_main_parameter_types): Declare.
3541 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3544 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
3546 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
3548 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
3549 be a PARALLEL containing sets. Return false when out_pat is not
3552 2006-10-30 Richard Sandiford <richard@codesourcery.com>
3554 * config/mips/mips.md (mul<mode>3): Split into...
3555 (mulsi3, muldi3): ...these separate patterns.
3557 2006-10-30 Richard Sandiford <richard@codesourcery.com>
3559 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
3560 but with each set of options separated by spaces.
3562 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
3564 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
3565 dwarf_reg_size_table has been initialized.
3567 2006-10-30 Roger Sayle <roger@eyesopen.com>
3569 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
3570 * ddg.c (print_ddg_edge): Likewise.
3571 * dwarf2out.c (prune_unused_types_walk): Likewise.
3572 * ifcvt.c (noce_try_cmove_arith): Likewise.
3573 * langhooks.c (add_builtin_function): Likewise.
3574 * reg-stack.c (subst_stack_regs_pat): Likewise.
3575 * tree.c (expanded_location): Likewise.
3576 * tree-dump.c (dequeue_and_dump): Likewise.
3578 2006-10-30 David Daney <ddaney@avtrex.com>
3580 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
3582 2006-10-30 Jakub Jelinek <jakub@redhat.com>
3584 PR tree-optimization/29637
3585 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
3586 of the innertype is the innertype itself.
3588 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
3590 * dwarf2out.c (file_name_acquire): Correct typo.
3592 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
3594 * tree.h (tree_value_handle): Remove struct value_set declaration.
3595 Change value_set to bitmap_set.
3596 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
3597 * tree-vn.c (get_value_handle): Made inline and moved to
3599 * tree-flow-inline.h: (has_stmt_ann): New function.
3600 * tree-ssa-pre.c (expressions): New variable.
3601 (next_expression_id): Ditto.
3602 (alloc_expression_id): New function.
3603 (struct value_set): Remove.
3604 (get_expression_id): New function.
3605 (get_or_alloc_expression_id): Ditto.
3606 (expression_for_id): Ditto.
3607 (clear_expression_ids): Ditto.
3608 (FOR_EACH_EXPR_ID_IN_SET): New macro.
3609 (bb_value_sets): Renamed to bb_bitmap_sets.
3610 All value sets replaced with bitmap_sets.
3612 (BB_VISITED): New macro.
3613 (postorder): New variable.
3614 (add_to_value): Removed.
3615 (value_exists_in_set_bitmap): Ditto.
3616 (value_insert_into_set_bitmap): Ditto.
3619 (set_remove): Ditto.
3620 (set_contains_value): Ditto.
3621 (insert_into_set): Ditto.
3623 (find_leader): Ditto.
3624 (bitmap_set_subtract_from_value_set): Ditto.
3625 (value_insert_into_set): Ditto.
3626 (print_value_set): Ditto.
3627 (debug_value_set): Ditto.
3628 (constant_expr_p): New function.
3629 (bitmap_remove_from_set): Ditto.
3630 (bitmap_insert_into_set): Ditto.
3631 (bitmap_set_free): Ditto.
3632 (vh_compare): Ditto.
3633 (sorted_array_from_bitmap_set): Ditto.
3634 (bitmap_set_subtract): Ditto.
3635 (bitmap_set_equal): Ditto.
3636 (debug_bitmap_set): Ditto.
3637 (find_leader_in_sets): Ditto.
3638 (bitmap_set_replace_value): Modify for bitmapped sets.
3639 (phi_translate): Ditto.
3640 (phi_translate_set): Ditto.
3641 (bitmap_find_leader): Ditto.
3642 (valid_in_sets): Ditto.
3643 (union_contains_value): Ditto.
3645 (compute_antic_aux): Ditto. Mark changed blocks.
3646 (compute_antic): Ditto. Iterate in postorder and only over
3648 (compute_rvuse_and_antic_safe): Reuse postorder.
3649 (create_component_ref_by_pieces): Modify for bitmapped sets.
3650 (find_or_generate_expression): Ditto.
3651 (create_expression_by_pieces): Ditto.
3652 (insert_into_preds_of_block): Ditto.
3653 (changed_blocks): New variable.
3654 (do_regular_insertion): Broken out from insert_aux.
3655 (insert_aux): Modified for bitmapped sets.
3656 (find_existing_value_expr): New function.
3657 (create_value_expr_from): Use it.
3658 (insert_extra_phis): Removed.
3659 (print_bitmap_set): Renamed from bitmap_print_value_set.
3660 (compute_avail): Handle RETURN_EXPR.
3661 (init_pre): Modify for bitmapped sets.
3662 * tree-flow.h (has_stmt_ann): New function.
3664 2006-10-29 Roger Sayle <roger@eyesopen.com>
3666 * builtins.c (fold_builtin_floor): Check for the availability of
3667 the C99 trunc function before transforming floor into trunc.
3669 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3671 * builtins.c (fold_builtin_hypot): Rearrange recursive
3672 transformation before others, and also do ABS_EXPR. When
3673 necessary, check flag_unsafe_math_optimizations. When necessary,
3676 2006-10-29 Roger Sayle <roger@eyesopen.com>
3678 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
3679 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
3680 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
3681 Fold -X eq/ne -Y as X eq/ne Y.
3683 2006-10-29 Richard Sandiford <richard@codesourcery.com>
3685 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
3686 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
3687 rather than GENERATE_MULT3_SI in the various define_peephole2s.
3688 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
3689 Use an inclusive test for "mult" rather than "mul".
3690 (rotr<mode>3): Depend on ISA_HAS_ROR.
3691 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
3693 (GENERATE_MULT3_DI): Delete.
3694 (ISA_HAS_64BIT_REGS): Use consistent formatting.
3695 (ISA_HAS_MUL3): New macro.
3696 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
3697 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
3698 (ISA_HAS_CLZ_CLO): Likewise.
3699 (ISA_HAS_DCLZ_DCLO): Delete.
3700 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
3701 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
3702 the VR4120 and VR4130.
3703 (ISA_HAS_MACCHI): Use consistent formatting.
3704 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
3705 (ISA_HAS_ROR): ...this new macro.
3706 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
3707 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
3708 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
3710 2006-10-29 Roger Sayle <roger@eyesopen.com>
3712 PR tree-optimization/15458
3713 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
3716 2006-10-29 Richard Guenther <rguenther@suse.de>
3718 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
3719 (ix86_expand_truncdf_32): Likewise.
3720 * config/i386/i386.c (ix86_expand_trunc): New function expanding
3721 trunc inline for SSE math and -fno-trapping-math and if not
3722 optimizing for size.
3723 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
3724 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
3725 for expanding btrunc inline for SSE math.
3727 2006-10-29 Joseph Myers <joseph@codesourcery.com>
3729 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
3730 Handle tuning for bi-arch i[34567]86-*-linux* like that for
3731 i[34567]86-*-solaris2.1[0-9]*.
3732 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
3733 Define conditionally depending on TARGET_64BIT_DEFAULT.
3734 (SPEC_32, SPEC_64): Define.
3735 (LINK_SPEC): Use them.
3736 * doc/install.texi (--enable-targets=all): Document for x86-linux.
3738 2006-10-29 Richard Guenther <rguenther@suse.de>
3740 * config/i386/i386-protos.h (ix86_expand_round): Declare.
3741 (ix86_expand_rounddf_32): Likewise.
3742 * config/i386/i386.c (ix86_expand_round): New function expanding
3743 round inline for SSE math and -fno-trapping-math and if not
3744 optimizing for size.
3745 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
3746 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
3747 round via ix86_expand_round.
3749 2006-10-29 Richard Guenther <rguenther@suse.de>
3751 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
3752 (ix86_expand_floorceildf_32): Likewise.
3753 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
3754 static helper function.
3755 (ix86_expand_floorceil): Expander for floor and ceil to SSE
3757 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
3758 * config/i386/i386.md (floordf2): Adjust to enable floor
3759 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
3760 -fno-trapping-math is enabled and if not optimizing for size.
3761 (floorsf2, ceildf2, ceilsf2): Likewise.
3762 * config/i386/sse.md (sse_maskcmpsf3): New insn.
3763 (sse2_maskcmpdf3): Likewise.
3765 2006-10-29 Richard Guenther <rguenther@suse.de>
3767 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
3768 rint in case -fno-trapping-math is enabled.
3769 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
3770 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
3771 (ix86_expand_sse_fabs): Likewise.
3772 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
3773 * config/i386/i386.md (rintdf2): Enable for SSE math if
3774 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
3775 (rintsf2): Likewise.
3777 2006-10-29 Richard Guenther <rguenther@suse.de>
3779 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
3780 to conversion optabs.
3781 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
3782 as conversion optab.
3783 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
3784 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
3785 (lfloor_optab, lceil_optab): Adjust defines.
3786 * builtins.c (expand_builtin_int_roundingfn): Adjust for
3787 lfloor and lceil optabs now being conversion optabs.
3788 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
3789 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
3790 New static helper function.
3791 (ix86_expand_lfloorceil): New function to expand lfloor and
3793 * config/i386/i386.md (lfloor<mode>2): Split into ...
3794 (lfloorxf<mode>2): ... x87 variant
3795 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
3796 using ix86_expand_lfloorceil.
3797 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
3799 * doc/md.texi (lfloorMN, lceilMN): Document.
3801 2006-10-29 Richard Sandiford <richard@codesourcery.com>
3803 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
3804 -mno-shared assembler option on mips targets.
3805 * configure, config.in: Regenerate.
3806 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
3807 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
3808 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
3810 2006-10-29 Richard Sandiford <richard@codesourcery.com>
3812 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
3813 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
3815 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
3817 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
3818 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
3821 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3824 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
3825 (fold_builtin_pow): Evaluate constant arguments at compile-time
3827 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
3828 (do_mpfr_ckconv): New helper function.
3829 (do_mpfr_arg1): Use do_mpfr_ckconv.
3830 (do_mpfr_arg2): New.
3832 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
3835 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
3836 (-fdump-rtl-sched): Rename to ..
3837 (-fdump-rtl-sched1): here. Also fix file extension number.
3839 2006-10-28 Richard Guenther <rguenther@suse.de>
3841 * fold-const.c (maybe_canonicalize_comparison): Fix code
3844 2006-10-28 Uros Bizjak <uros@kss-loka.si>
3846 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
3847 (NON_QI_REG_P): Use IN_RANGE.
3848 (REX_INT_REGNO_P): Use IN_RANGE.
3849 (FP_REGNO_P): Use IN_RANGE.
3850 (SSE_REGNO_P): Use IN_RANGE.
3851 (REX_SSE_REGNO_P): Use IN_RANGE.
3852 (MMX_REGNO_P): Use IN_RANGE.
3853 (STACK_REGNO_P): New macro.
3854 (STACK_REG_P): Use STACK_REGNO_P.
3855 (NON_STACK_REG_P): Use STACK_REGNO_P.
3856 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
3857 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
3858 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
3859 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
3860 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
3862 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
3864 * except.h (output_function_exception_table): Add 'const char*' param.
3865 * except.c (switch_to_exception_section): Add 'const char*' param.
3866 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
3867 and flag_function_sections is set, use a function-specific section.
3868 (output_function_exception_table): Add 'const char*' param.
3869 Adjust call to switch_to_exception_section.
3870 * final.c (rest_of_handle_final): Adjust calls to
3871 output_function_exception_table.
3872 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
3873 * config.in: Regenerate.
3874 * configure: Likewise.
3876 2006-10-28 Richard Guenther <rguenther@suse.de>
3879 * fold-const.c (maybe_canonicalize_comparison_1): Helper
3880 for maybe_canonicalize_comparison.
3881 (maybe_canonicalize_comparison): New function for canonicalizing
3883 (fold_comparison): Call it to canonicalize comparisons with
3886 2006-10-28 Richard Guenther <rguenther@suse.de>
3889 * builtins.c (expand_builtin_int_roundingfn_2): Expand
3890 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
3891 (expand_builtin): Adjust likewise.
3892 * genopinit.c (optabs[]): Add lround optab.
3893 * optabs.c (init_optabs): Initialize lround_optab.
3894 * optabs.h (enum convert_optab_index): Add COI_lround.
3895 (lround_optab): Define.
3896 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
3897 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
3899 (ix86_expand_lround): New function.
3900 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
3902 * doc/md.texi (lroundMN2): Document.
3904 2006-10-28 Uros Bizjak <uros@kss-loka.si>
3907 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
3908 argument to HOST_WIDE_INT. Update function prototype.
3909 (round_frame_size): Change return type to HOST_WIDE_INT. Change
3910 "size" argument to HOST_WIDE_INT. Update function prototype.
3912 2006-10-28 Uros Bizjak <uros@kss-loka.si>
3914 * config/i386/i386.c (output_387_ffreep): Create output from a
3915 template string for !HAVE_AS_IX86_FFREEP.
3917 2006-10-27 Eric Christopher <echristo@apple.com>
3919 * config/darwin.c: Fix formatting and grammar.
3921 2006-10-27 Jan Hubicka <jh@suse.cz>
3923 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
3924 to be thrown away soon when IGNORE is set.
3925 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
3926 indicating when return value shall not be computed.
3927 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
3929 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
3931 * config/i386/i386.h (TARGET_GEODE):
3932 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
3933 (TARGET_CPU_DEFAULT_geode): New macro.
3934 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
3935 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
3936 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
3937 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
3938 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
3940 (TARGET_CPU_DEFAULT_NAMES): Add geode.
3941 (processor_type): Add PROCESSOR_GEODE.
3943 * config/i386/i386.md: Include geode.md.
3946 * config/i386/i386.c (geode_cost): New initialized global
3948 (m_GEODE, m_K6_GEODE): New macros.
3949 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
3950 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
3951 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
3952 x86_schedule): Use m_K6_GEODE instead of m_K6.
3953 (x86_movx, x86_cmove): Set up m_GEODE.
3954 (x86_integer_DFmode_moves): Clear m_GEODE.
3955 (processor_target_table): Add entry for geode.
3956 (processor_alias_table): Ditto.
3958 * config/i386/geode.md: New file.
3960 * doc/invoke.texi: Add entry about geode processor.
3962 2006-10-27 Mike Stump <mrs@apple.com>
3964 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
3965 __DYNAMIC__ from here back to ...
3966 * config/darwin.h (CPP_SPEC): ... here.
3968 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
3969 Nathan Sidwell <nathan@codesourcery.com>
3971 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
3972 when choosing the minimum heapsize.
3974 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
3976 * gcc/unwind-dw2.h: Move cfa-related variables into
3977 struct frame_state_reg_info to ensure that the CFA is properly
3978 handled when executing DW_CFA_{remember,restore}_state.
3979 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
3980 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
3981 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
3982 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
3983 gcc/config/rs6000/linux-unwind.h,
3984 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
3985 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
3986 Modify to use new cfa_* fields.
3988 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
3990 * config/s390/s390.c (s390_init_frame_layout): Check positive
3993 2006-10-26 Ben Elliston <bje@au.ibm.com>
3995 * gimplify.c (get_name): Remove extraneous break.
3996 (gimplify_omp_for): Initialise ret with GS_OK.
3998 2006-10-25 Steve Ellcey <sje@cup.hp.com>
4000 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
4001 Add unix98.o to link line.
4003 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4006 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
4007 Calculate compile-time constants using MPFR.
4008 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
4009 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
4011 2006-10-25 Bob Wilson <bob.wilson@acm.org>
4013 * config/xtensa/lib2funcs.S: Use C-style comments.
4015 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
4017 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
4018 (file_table_relative_p): Likewise.
4019 (dwarf2out_finish): Likewise.
4020 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
4022 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
4024 * tree-ssa-structalias.c (intra_create_variable_infos):
4025 Don't recreate nonlocal_all if it already exists.
4027 2006-10-25 Richard Guenther <rguenther@suse.de>
4030 * optabs.h (enum optab_index): Remove OTI_lrint.
4031 (enum convert_optab_index): Add COI_lrint.
4032 (lrint_optab): Adjust.
4033 (expand_sfix_optab): Declare.
4034 * optabs.c (expand_sfix_optab): New function.
4035 (init_optabs): Init lrint_optab as conversion optab.
4036 * genopinit.c (lrint_optab): Change to a conversion optab.
4037 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
4038 expansion via conversion optab.
4039 * config/i386/i386.md (*fistdi2_1): Remove
4040 flag_unsafe_math_optimizations guard.
4041 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
4042 fist<mode>2_with_temp): Likewise.
4043 (lrint<mode>2): Split into...
4044 (lrintxf<mode>2): ... x87 part
4045 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
4046 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
4047 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
4048 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
4049 * doc/md.texi (lrintMN2): Document.
4051 2006-10-25 Uros Bizjak <uros@kss-loka.si>
4054 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
4055 Use inc and dec instructions for TARGET_USE_INCDEC.
4056 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
4057 ("sync_double_compare_and_swap<mode>"): Likewise.
4058 ("*sync_double_compare_and_swapdi_pic"): Likewise.
4059 ("*sync_compare_and_swap_cc<mode>"): Likewise.
4060 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
4061 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
4062 ("sync_old_add<mode>"): Likewise.
4063 ("sync_lock_test_and_set<mode>"): Likewise.
4064 ("sync_lock_test_and_set<mode>"): Likewise.
4065 ("sync_add<mode>"): Likewise.
4066 ("sync_sub<mode>"): Likewise.
4067 ("sync_ior<mode>"): Likewise.
4068 ("sync_and<mode>"): Likewise.
4069 ("sync_xor<mode>"): Likewise.
4071 2006-10-25 Uros Bizjak <uros@kss-loka.si>
4073 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
4074 (remainder_optab): Define corresponding macro.
4075 (drem_optab): Remove.
4076 * optabs.c (init_optabs): Initialize remainder_optab. Remove
4077 drem_optab initialization.
4078 * genopinit.c (optabs): Implement remainder_optab using
4079 remainder?f3 patterns. Remove drem_optab.
4080 * builtins.c (expand_builtin_mathfn_2): Handle
4081 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
4082 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
4083 expand_builtin_mathfn_2.
4085 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
4086 depend on flag_unsafe_math_optimizations.
4088 * config/i386/i386.md ("remaindersf3", "remainderdf3")
4089 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
4090 Do not depend on flag_unsafe_math_optimizations. Use
4091 truncxf?f expander instead of truncxf?f_i387_noop.
4093 ("fpremxf4", "fprem1xf4"): Do not depend on
4094 flag_unsafe_math_optimizations.
4095 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
4096 flag_unsafe_math_optimizations. Use truncxf?f expander
4097 instead of truncxf?f_i387_noop.
4099 * doc/md.texi (fmod, remainder): Document standard named pattern.
4101 2006-10-24 Richard Sandiford <richard@codesourcery.com>
4102 David Daney <ddaney@avtrex.com>
4105 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
4107 2006-10-25 Ben Elliston <bje@au.ibm.com>
4109 * doc/extend.texi (Variable Attributes): Typo fix.
4111 2006-10-24 Uros Bizjak <uros@kss-loka.si>
4113 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
4114 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
4115 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
4116 (FRAME_POINTER_REGNUM): Update register number to 21.
4117 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
4118 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
4120 * config/i386/i386.c (regclass_map): Add fpcr entry.
4121 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
4123 (print_reg): Assert REGNO (x) != FPCR_REG.
4125 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
4126 (DIRFLAG_REG): Renumber.
4127 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
4128 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
4129 (sse_prologue_save, *sse_prologue_save_insn): Renumber
4130 hardcoded SSE register numbers.
4132 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
4133 hardcoded MMX register numbers.
4135 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4138 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
4139 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
4141 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
4142 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
4143 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
4144 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
4146 2006-10-24 Richard Guenther <rguenther@suse.de>
4149 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
4150 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
4151 for deciding optimizations in consistency with fold-const.c
4152 (fold_builtin_unordered_cmp): Likewise.
4154 2006-10-24 Richard Guenther <rguenther@suse.de>
4156 * builtins.c (fold_builtin_floor): Fold floor (x) where
4157 x is nonnegative to trunc (x).
4158 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
4159 nonnegative to FIX_TRUNC_EXPR.
4161 2006-10-24 Richard Guenther <rguenther@suse.de>
4163 PR tree-optimization/29567
4164 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
4165 for TRUTH_NOT_EXPR. Clarify comments.
4167 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4170 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
4171 at compile-time using MPFR. Change parameter VALUE to FUNC,
4173 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
4174 for overflow and underflow at all times and avoid folding in
4177 2006-10-24 Ben Elliston <bje@au.ibm.com>
4179 * reload1.c: Formatting fixes.
4181 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
4183 PR tree-optimization/14784
4184 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
4185 * tree-ssa-structalias.c (get_constraint_for,
4186 intra_create_variable_infos): Set is_heapvar.
4187 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
4188 non-heapvar pointer variables specially.
4190 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4193 * builtins.c (fold_builtin_sin, fold_builtin_cos,
4194 fold_builtin_tan): Fold all constant arguments. Take a "type"
4195 argument as necessary.
4196 (do_mpfr_arg1): New.
4197 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
4199 2006-10-23 Bob Wilson <bob.wilson@acm.org>
4201 * config/xtensa/lib1funcs.asm: Use C-style comments.
4203 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
4205 * tree.c (local_define_builtin): Replace calls to
4206 lang_hooks.builtin_function with add_builtin_function.
4207 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
4209 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
4211 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
4212 common code to add_builtin_function.
4213 * langhooks.c (add_builtin_function): New function.
4214 (lhd_builtin_function): New function.
4215 * langhooks.h (struct lang_hooks): Change the signature of
4217 (add_builtin_function): New function.
4218 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
4219 calls to lang_hooks.builtin_function with add_builtin_function.
4220 * c-common.c (decl_builtin_1): Replace calls to
4221 lang_hooks.builtin_function with add_builtin_function.
4222 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
4223 lang_hooks.builtin_function with add_builtin_function.
4224 * config/frv/frv.c (def_builtin): Replace calls to
4225 lang_hooks.builtin_function with add_builtin_function.
4226 * config/s390/s390.c (s390_init_builtins): Replace calls to
4227 lang_hooks.builtin_function with add_builtin_function.
4228 * config/sparc/sparc.c (def_builtin): Replace calls to
4229 lang_hooks.builtin_function with add_builtin_function.
4230 * config/i386/i386.c (def_builtin): Replace calls to
4231 lang_hooks.builtin_function with add_builtin_function.
4232 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
4233 lang_hooks.builtin_function with add_builtin_function.
4234 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
4235 lang_hooks.builtin_function with add_builtin_function.
4236 * config/stormy16/stormy16.c (xstormy16_init_builtins):
4237 Replace calls to lang_hooks.builtin_function with
4238 add_builtin_function.
4239 * config/iq2000/iq2000.c (def_builtin):
4240 Replace calls to lang_hooks.builtin_function with
4241 add_builtin_function.
4242 * config/ia64/ia64.c (def_builtin): Replace calls to
4243 lang_hooks.builtin_function with add_builtin_function.
4244 * config/rs6000/rs6000.c (def_builtin): Replace calls to
4245 lang_hooks.builtin_function with add_builtin_function.
4246 (altivec_init_builtins): Replace calls to
4247 lang_hooks.builtin_function with add_builtin_function.
4248 * config/arm/arm.c (def_mbuiltin): Replace calls to
4249 lang_hooks.builtin_function with add_builtin_function.
4250 (arm_init_tls_builtins): Replace calls to
4251 lang_hooks.builtin_function with add_builtin_function.
4252 * config/mips/mips.c (mips_init_builtins): Replace calls to
4253 lang_hooks.builtin_function with add_builtin_function.
4254 * config/bfin/bfin.c (def_builtin): Replace calls to
4255 lang_hooks.builtin_function with add_builtin_function.
4256 * langhooks-def.h (lhd_builtin_function): New function.
4257 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
4259 2006-10-23 Jakub Jelinek <jakub@redhat.com>
4261 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
4262 BUILT_IN_STRNCAT_CHK.
4264 2006-10-23 Jan Hubicka <jh@suse.cz>
4266 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
4267 don't do conversion from memmove to memcpy here.
4268 (expand_builtin_bcopy, expand_builtin): Update call of
4269 expand_builtin_memmove.
4270 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
4272 2006-10-23 Paul Brook <paul@codesourcery.com>
4274 * stor-layout.c (start_record_layout): maximum_field_alignment
4275 overrides STRUCTURE_SIZE_BOUNDARY.
4277 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
4279 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
4280 nonlocal function symbols if flag_pic.
4282 2006-10-23 Richard Guenther <rguenther@suse.de>
4286 * builtins.c (fold_binary): Remove checks for flag_wrapv
4287 and flag_trapv where negate_expr_p covers these cases.
4289 2006-10-23 Richard Guenther <rguenther@suse.de>
4292 * fold-const.c (fold_plusminus_mult_expr): Check exact power
4293 of two on the absolute value.
4294 (fold_binary): Fold x * -C to -x * C if x is easily negatable
4295 and negating -C does not overflow.
4297 2006-10-23 Richard Guenther <rguenther@suse.de>
4300 * convert.c (convert_to_real): Fold (float)-x to -(float)x
4301 only if not flag_rounding_math.
4303 2006-10-22 Richard Sandiford <richard@codesourcery.com>
4304 Kaz Kojima <kkojima@gcc.gnu.org>
4307 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
4308 SImode memory reference for the source of a movua.
4309 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
4310 (movua): Use an unspec instead of sign_extract. Expect the source
4311 to have mode BLKmode.
4312 (extv, insv): Use a BLKmode rather than SImode memory reference
4313 for the source of a movua.
4315 2006-10-22 Jeff Law <law@redhat.com>
4316 Richard Guenther <rguenther@suse.de>
4318 PR tree-optimization/15911
4319 * tree-vrp.c (extract_code_and_val_from_cond): New function.
4320 (register_edge_assert_for_1): Likewise.
4321 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
4322 (find_conditional_asserts): Adjust for new function signature.
4323 (find_assert_locations): Likewise.
4325 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
4327 * config/i386/tmmintrin.h: Remove the duplicated content.
4329 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
4331 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
4332 (x86_64-*-*): Likewise.
4334 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
4335 (override_options): Check SSSE3.
4336 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
4337 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
4338 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
4339 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
4340 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
4341 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
4342 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
4343 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
4344 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
4345 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
4346 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
4347 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
4348 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
4349 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
4350 IX86_BUILTIN_PABSD128.
4351 (bdesc_2arg): Add SSSE3.
4352 (bdesc_1arg): Likewise.
4353 (ix86_init_mmx_sse_builtins): Support SSSE3.
4354 (ix86_expand_builtin): Likewise.
4355 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
4357 * config/i386/i386.md (UNSPEC_PSHUFB): New.
4358 (UNSPEC_PSIGN): Likewise.
4359 (UNSPEC_PALIGNR): Likewise.
4360 Include mmx.md before sse.md.
4362 * config/i386/i386.opt: Add -mssse3.
4364 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
4365 (ssse3_phaddwv4hi3): Likewise.
4366 (ssse3_phadddv4si3): Likewise.
4367 (ssse3_phadddv2si3): Likewise.
4368 (ssse3_phaddswv8hi3): Likewise.
4369 (ssse3_phaddswv4hi3): Likewise.
4370 (ssse3_phsubwv8hi3): Likewise.
4371 (ssse3_phsubwv4hi3): Likewise.
4372 (ssse3_phsubdv4si3): Likewise.
4373 (ssse3_phsubdv2si3): Likewise.
4374 (ssse3_phsubswv8hi3): Likewise.
4375 (ssse3_phsubswv4hi3): Likewise.
4376 (ssse3_pmaddubswv8hi3): Likewise.
4377 (ssse3_pmaddubswv4hi3): Likewise.
4378 (ssse3_pmulhrswv8hi3): Likewise.
4379 (ssse3_pmulhrswv4hi3): Likewise.
4380 (ssse3_pshufbv16qi3): Likewise.
4381 (ssse3_pshufbv8qi3): Likewise.
4382 (ssse3_psign<mode>3): Likewise.
4383 (ssse3_psign<mode>3): Likewise.
4384 (ssse3_palignrti): Likewise.
4385 (ssse3_palignrdi): Likewise.
4386 (abs<mode>2): Likewise.
4387 (abs<mode>2): Likewise.
4389 * config/i386/tmmintrin.h: New file.
4391 * doc/extend.texi: Document SSSE3 built-in functions.
4393 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
4395 2006-10-22 Ira Rosen <irar@il.ibm.com>
4397 * tree-vect-transform.c (vectorizable_load): Use the type of the
4398 return value of the mask_for_load builtin to create realign_load
4401 2006-10-22 Richard Sandiford <richard@codesourcery.com>
4403 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
4406 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
4408 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
4409 (UNSPEC_LDDQU): This.
4410 * config/i386/sse.md (sse3_lddqu): Updated.
4412 2006-10-21 Richard Guenther <rguenther@suse.de>
4414 * builtins.c (expand_builtin_int_roundingfn_2): New function.
4415 (expand_builtin): Use it to expand lrint instead of
4416 expand_builtin_mathfn.
4418 2006-10-21 Uros Bizjak <uros@kss-loka.si>
4421 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
4422 flag_unsafe_math_optimizations is set.
4424 2006-10-21 Uros Bizjak <uros@kss-loka.si>
4427 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
4428 patterns to use memory input operand in x87->mem->XMM
4429 reload sequences. Skip transformation for TARGET_K8.
4431 2006-10-21 Uros Bizjak <uros@kss-loka.si>
4433 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
4434 force operand1 to register if both operands are memory operands.
4435 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
4436 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
4437 if both operands are memory operands.
4438 (truncdfsf2): Do not force operand1 to register if both operands
4439 are memory operands.
4441 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4443 * Makefile.in (LIBS): Add $(GMPLIBS).
4444 * doc/install.texi: Update GMP and MPFR requirements.
4445 * doc/sourcebuild.texi (need_gmp): Delete.
4447 2006-10-21 Richard Guenther <rguenther@suse.de>
4449 PR tree-optimization/3511
4450 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
4451 got new invariant arguments during PHI translation.
4453 2006-10-21 Richard Guenther <rguenther@suse.de>
4456 * fold-const.c (fold_comparison): Fold signed comparisons
4457 of the form X +- C1 CMP Y +- C2.
4459 2006-10-21 Richard Guenther <rguenther@suse.de>
4462 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
4463 if flag_unsafe_math_optimizations is specified. We have
4464 flag_finite_math_only for that.
4465 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
4466 or flag_unsafe_math_optimizations.
4468 2006-10-21 Richard Guenther <rguenther@suse.de>
4470 * builtins.c (fold_builtin_classify): Fix typo.
4472 2006-10-21 Richard Guenther <rguenther@suse.de>
4475 * simplify-rtx.c (simplify_const_relational_operation):
4476 Do not constant-fold ORDERED and UNORDERED for
4477 flag_unsafe_math_optimizations but only we do not need to
4478 honor NaNs for the given mode.
4480 2006-10-21 Richard Guenther <rguenther@suse.de>
4483 * config/i386/i386.c (classify_argument): Remove redundant
4484 walking of the BINFOs.
4485 (contains_128bit_aligned_vector_p): Likewise.
4487 2006-10-20 Mark Mitchell <mark@codesourcery.com>
4489 * BASE-VER: Set to 4.3.0.
4491 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
4493 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
4494 (tree_decl_with_vis): Remove artificial_pta_var flag.
4495 * tree-flow.h (referenced_var_check_and_insert): Expose.
4496 (nonlocal_all): New prototype.
4497 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
4498 (nonlocal_all): Make global.
4499 (nonlocal_lookup): Remove.
4500 (nonlocal_insert): Ditto.
4501 (create_nonlocal_var): Do not call nonlocal_insert.
4502 (get_nonlocal_id_for_type): Remove.
4503 (find_global_initializers): Mark new vars we find for renaming.
4504 (intra_create_variable_infos): Only create one nonlocal.
4505 (expand_nonlocal_solutions): Remove.
4506 (compute_points_to_sets): Don't call it.
4507 (ipa_pta_execute): Ditto.
4508 (init_alias_heapvars): Don't create nonlocal_for_type.
4509 (delete_alias_heapvars): Don't remove it.
4510 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
4513 2006-10-19 Brooks Moses <bmoses@stanford.edu>
4515 * doc/install.texi (Downloading GCC): Clarify mention of
4516 Fortran in the "full distribution" description.
4518 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
4520 Fix PR tree-optimization/28778
4521 Fix PR tree-optimization/29156
4522 Fix PR tree-optimization/29415
4523 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
4524 (tree_decl_with_vis): Add artificial_pta_var flag.
4525 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
4526 pushed into callers.
4527 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
4528 (nonlocal_all): Ditto.
4529 (struct variable_info): Add directly_dereferenced member.
4530 (var_escaped_vars): New variable.
4531 (escaped_vars_tree): Ditto.
4532 (escaped_vars_id): Ditto.
4533 (nonlocal_vars_id): Ditto.
4534 (new_var_info): Set directly_dereferenced.
4535 (graph_size): New variable
4536 (build_constraint_graph): Use graph_size.
4537 (solve_graph): Don't process constraints that cannot change the
4538 solution, don't try to propagate an empty solution to our
4540 (process_constraint): Set directly_dereferenced.
4541 (could_have_pointers): New function.
4542 (get_constraint_for_component_ref): Don't process STRING_CST.
4543 (nonlocal_lookup): New function.
4544 (nonlocal_insert): Ditto.
4545 (create_nonlocal_var): Ditto.
4546 (get_nonlocal_id_for_type): Ditto.
4547 (get_constraint_for): Allow results vector to be empty in the case
4548 of string constants.
4549 Handle results of calls properly.
4550 (update_alias_info): Update alias info stats on number and type of
4552 (find_func_aliases): Use could_have_pointers.
4553 (make_constraint_from_escaped): Renamed from
4554 make_constraint_to_anything, and changed to make constraints from
4556 (make_constraint_to_escaped): New function.
4557 (find_global_initializers): Ditto.
4558 (create_variable_info_for): Make constraint from escaped to any
4559 global variable, and from any global variable to the set of
4561 (intra_create_variable_infos): Deal with escaped instead of
4562 pointing to anything.
4563 (set_uids_in_ptset): Do type pruning on directly dereferenced
4565 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
4566 (init_base_vars): Fix comment, and initialize escaped_vars.
4567 (need_to_solve): Removed.
4568 (find_escape_constraints): New function.
4569 (expand_nonlocal_solutions): Ditto.
4570 (compute_points_to_sets): Call find_escape_constraints and
4571 expand_nonlocal_solutions.
4572 (delete_points_to_sets): Don't fall off the end of the graph.
4573 (init_alias_heapvars): Initialize nonlocal_for_type and
4575 (delete_alias_heapvars): Free nonlocal_for_type and null out
4578 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
4580 * fold-const.c (add_double): Rename to add_double_with_sign.
4581 Add 'unsigned_p' parameter and take it into account for the overflow.
4582 (mul_double): Rename to mul_double_with_sign.
4583 Add 'unsigned_p' parameter and take it into account for the overflow.
4584 (fold_div_compare): Call add_double_with_sign instead of add_double
4585 and mul_double_with_sign instead of mul_double, passing them the
4586 unsignedness of the type.
4587 * tree.h (add_double): Macroize.
4588 (add_double_with_sign): New prototype.
4589 (mul_double): Macroize.
4590 (mul_double_with_sign): New prototype.
4592 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
4594 * config/score/crti.asm: New file.
4595 * config/score/crtn.asm: New file.
4596 * config/score/elf.h: New file.
4597 * config/score/mac.md: New file.
4598 * config/score/misc.md: New file.
4599 * config/score/mul-div.S: New file.
4600 * config/score/predicates.md: New file.
4601 * config/score/score7.md: New file.
4602 * config/score/score.c: New file.
4603 * config/score/score-conv.h: New file.
4604 * config/score/score.h: New file.
4605 * config/score/score.md: New file.
4606 * config/score/score-mdaux.c: New file.
4607 * config/score/score-mdaux.h: New file.
4608 * config/score/score-modes.def: New file.
4609 * config/score/score.opt: New file.
4610 * config/score/score-protos.h: New file.
4611 * config/score/score-version.h: New file.
4612 * config/score/t-score-elf: New file.
4613 * config.gcc: Add score*-*-* configurations(Update before).
4614 * doc/invoke.texi (Score Options): New section.
4615 * doc/md.texi (Score family): New section to document constraints.
4617 2006-10-19 Nick Clifton <nickc@redhat.com>
4619 * config/arm/arm.c: Fix spelling typo.
4621 2006-10-18 Tom Tromey <tromey@redhat.com>
4623 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
4625 2006-10-18 Jan Hubicka <jh@suse.cz>
4628 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
4631 2006-10-18 Marcin Dalecki <martin@dalecki.de>
4633 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
4634 TSI_SAME_STMT, since that's the desired entity.
4636 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
4638 * config/s390/contraints.md: New file.
4639 * config/s390/s390-protos.h (s390_mem_constraint,
4640 s390_O_constraint_str, s390_N_constraint_str,
4641 s390_float_const_zero_p): Function prototypes added.
4642 * config/s390/s390.c (s390_extra_constraint_str,
4643 s390_const_double_ok_for_constraint_p,
4644 s390_const_ok_for_constraint_p): Functions removed.
4645 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
4646 s390_float_const_zero_p): New functions.
4647 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
4648 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
4649 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
4650 Macro definitions removed.
4651 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
4652 s390_extra_constraint_str): Functions removed.
4654 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
4655 Richard Sandiford <richard@codesourcery.com>
4658 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
4659 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
4661 2006-10-16 Geoffrey Keating <geoffk@apple.com>
4663 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
4664 (DWARF2_FRAME_REG_OUT): Likewise.
4665 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
4666 (DWARF2_FRAME_REG_OUT): Likewise.
4668 2006-10-17 Paul Brook <paul@codesourcery.com>
4670 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
4672 2006-10-16 Brooks Moses <bmoses@stanford.edu>
4674 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
4675 Standardize on "GNU Fortran" as the official name of the Fortran
4678 2006-10-16 Mike Stump <mrs@apple.com>
4680 * doc/invoke.texi (Darwin Options): Document -mkernel.
4681 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
4683 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
4684 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
4685 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
4686 (OS_MISSING_ALTIVEC): Add.
4687 * config/i386/i386.c (override_options): Add
4688 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
4689 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
4690 -mkernel, -static or -mdynamic-no-pic is given.
4691 (C_COMMON_OVERRIDE_OPTIONS): Add.
4692 * config/darwin.opt (fapple-kext): Add.
4694 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
4695 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
4697 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
4698 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
4699 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
4700 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
4701 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
4702 (flag_mkernel): Add.
4703 (flag_apple_kext): Add.
4704 (TARGET_KEXTABI): Add.
4705 * config/darwin.c (darwin_handle_kext_attribute): Add.
4706 (DARWIN_VTABLE_P): Add.
4707 (darwin_binds_local_p): Add partial support for rebinding vtables
4709 (darwin_kextabi_p): Add.
4710 (darwin_override_options): Add.
4711 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
4712 (darwin_kextabi_p): Add.
4713 (darwin_override_options): Add.
4714 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
4715 __DYNAMIC__ and __STATIC__ here.
4717 2006-10-16 Brooks Moses <bmoses@stanford.edu>
4719 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
4720 Added mention of "make pdf" target, and Texinfo requirements for
4723 2006-10-16 DJ Delorie <dj@redhat.com>
4725 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
4726 into the GOT in case we need a subreg of the address.
4728 2006-10-16 Richard Guenther <rguenther@suse.de>
4731 * doc/extend.texi (X86 Built-in Functions): Fix typos in
4732 SSE builtin documentation. Document SSE2 builtins.
4734 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4736 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
4737 symbol in the output file for non-shared links when -nostdlib or
4738 -nodefaultlibs isn't specified.
4740 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
4741 posix thread support.
4743 2006-10-15 Jan Hubicka <jh@suse.cz>
4746 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
4747 declared always_inline even when not inlining.
4749 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
4750 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4751 Andrew Pinski <pinskia@gmail.com>
4754 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
4756 2006-10-15 Jan Hubicka <jh@suse.cz>
4757 Richard Guenther <rguenther@suse.de>
4760 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
4761 process_function_and_variable_attributes on all variables, including
4762 those discovered during cgraph construction phase.
4764 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
4766 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
4768 2006-10-14 Uros Bizjak <uros@kss-loka.si>
4770 * config/i386/athlon.md (athlon_fist): Add fisttp.
4772 2006-10-13 David Edelsohn <edelsohn@gnu.org>
4773 Ian Lance Taylor <ian@airs.com>
4776 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
4777 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
4780 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
4782 * config/score/score.c, config/score/score.h: Fix comment
4785 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4788 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
4791 2006-10-13 Eric Christopher <echristo@apple.com>
4793 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
4795 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
4798 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
4799 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
4800 alignment supported by 32-bit ELF.
4802 2006-10-13 Eric Christopher <echristo@apple.com>
4804 * config/darwin.c (darwin_emit_unwind_label): Strip
4805 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
4807 2006-10-13 Richard Guenther <rguenther@suse.de>
4809 PR tree-optimization/29446
4810 * tree-vrp.c (fix_equivalence_set): Remove.
4811 (extract_range_from_assert): Do not call fix_equivalence_set.
4812 (debug_value_range): Print a newline.
4813 (compare_name_with_value): For equivalence sets with
4814 inconsistent value ranges conservatively bail out.
4815 (compare_names): Likewise.
4817 2006-10-13 David Edelsohn <edelsohn@gnu.org>
4819 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
4820 and MPFR for gfortran.
4822 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
4824 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
4825 alignment supported by 32-bit ELF.
4827 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
4831 * c-typeck.c (digest_init): Always allow initializing vectors
4832 that have static storage duration with compound literals.
4833 * tree.c (build_type_attribute_qual_variant): New, based on
4834 build_type_attribute_variant.
4835 (build_type_attribute_variant): Rewrite using the former.
4836 (make_vector_type): Use build_type_attribute_qual_variant to build
4837 type variants. Use type_hash_canon on the others.
4839 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
4840 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
4842 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
4844 2006-10-12 Jan Hubicka <jh@suse.cz>
4847 * c-decl.c (c_make_fname_decl): Do not segfault in case where
4848 current_function_decl is set but current_function_scope is not.
4850 2006-10-12 Jie Zhang <jie.zhang@analog.com>
4852 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
4853 emit_insn to emit eh_return_internal instruction.
4854 (eh_return_internal): Explicitly set pc.
4856 2006-10-11 Richard Guenther <rguenther@suse.de>
4858 PR tree-optimization/28230
4859 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
4860 to the correct place.
4862 2006-10-11 Richard Guenther <rguenther@suse.de>
4865 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
4868 2006-10-10 Brooks Moses <bmoses@stanford.edu>
4870 * configure.ac: Added pdf to "Make-hooks"
4871 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
4872 targets and *.pdf file patterns in cleanup targets.
4873 * configure: Regenerated.
4875 2006-10-10 Anatoly Sokolov <aesok@post.ru>
4877 * config/avr/predicates.md: New file.
4878 * config/avr/avr.md: Include it.
4879 (REG_SP): New constant.
4880 (peepholes): Use predicates.
4881 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
4882 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
4883 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
4885 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
4887 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
4890 2006-10-10 Jakub Jelinek <jakub@redhat.com>
4893 * builtins.c (var_decl_component_p): New function.
4894 (fold_builtin_memset, fold_builtin_memory_op): Restrict
4895 single entry optimization to variables and components thereof.
4897 2006-10-10 Richard Guenther <rguenther@suse.de>
4899 PR rtl-optimization/29323
4900 * except.c (set_nothrow_function_flags): For functions
4901 that do not bind local bail out early.
4903 2006-10-10 Ben Elliston <bje@au.ibm.com>
4905 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
4908 2006-10-09 Richard Henderson <rth@redhat.com>
4910 Revert emutls patch.
4912 2006-10-09 Richard Guenther <rguenther@suse.de>
4915 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
4918 2006-10-09 Steve Ellcey <sje@cup.hp.com>
4921 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
4922 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
4923 * configure: Regenerate.
4924 * config.in: Regenerate.
4926 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
4928 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
4930 2006-10-08 Richard Sandiford <richard@codesourcery.com>
4932 * config/mips/mips.c (mips_legitimize_tls_address): Implement
4933 all TLS models in the same way as local exec if !TARGET_ABICALLS.
4934 Remove stray newline.
4936 2006-10-08 Richard Sandiford <richard@codesourcery.com>
4938 * config/mips/mips.c (mips_classify_symbol): Do not return
4939 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
4940 (mips_in_small_data_p): Tweak comments.
4942 2006-10-08 Richard Sandiford <richard@codesourcery.com>
4944 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
4946 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
4948 * gimplify.c, sched-int.h: Fix comment typos.
4950 * sched-int.h: Fix comment typos.
4952 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4954 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
4956 * sched-ebb.c (begin_schedule_ready): Use them.
4957 * haifa-sched.c (schedule_insn, move_insn, try_ready,
4958 add_to_speculative_block, create_check_block_twin, speculate_insn,
4959 fix_jump_move, move_block_after_check): Ditto.
4960 * sched-rgn.c (new_ready): Ditto.
4962 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4964 PR rtl-optimization/29128
4965 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
4966 * sched-ebb.c (advance_target_bb): Use it to fix condition to
4967 allow interblock movement of speculation checks.
4969 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
4972 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
4973 casted to integer type.
4974 (get_address_cost): Decrease cost of [symbol + index] addressing modes
4975 if they are significantly more expensive than [reg + index] ones.
4977 2006-10-06 Jakub Jelinek <jakub@redhat.com>
4979 PR tree-optimization/29330
4980 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
4981 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
4982 on newly allocated ddrs.
4983 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
4984 to VEC (loop_p, heap) pointer.
4985 (compute_data_dependences_for_loop): Adjust caller.
4986 (free_dependence_relations): Free DDR_LOOP_NEST.
4988 * tree-loop-linear.c (linear_transform_loops): Don't forget to
4989 free DEPENDENCE_RELATIONS and DATAREFS.
4992 * builtins.c (expand_builtin_sync_operation,
4993 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
4994 Use convert_to_mode to handle promoted arguments.
4996 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
4998 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
5000 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
5002 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
5004 2006-10-05 Uros Bizjak <uros@kss-loka.si>
5006 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
5007 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
5008 Use <modeconstraint> instead of "r" as operand 1 constraint.
5010 2006-10-06 Olivier Hainque <hainque@adacore.com>
5012 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
5013 Don't recurse on the pointed-to type.
5014 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
5015 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
5016 types with components of variable size.
5018 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
5020 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
5022 2006-10-06 Jakub Jelinek <jakub@redhat.com>
5024 PR tree-optimization/29290
5025 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
5029 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
5030 * config/i386/predicates.md (local_symbolic_operand): Likewise.
5033 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
5034 the number of vector elements fill the rest with zeros.
5036 2006-10-05 Richard Sandiford <richard@codesourcery.com>
5038 * config/mips/mips.c (mips_pass_by_reference): Do not return false
5039 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
5042 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
5044 * config/bfin/bfin.md (subsi3): Lose expander, change previously
5045 unnamed pattern into subsi3. Use correct constraints/predicates.
5046 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
5047 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
5049 2006-10-05 Ira Rosen <irar@il.ibm.com>
5051 * doc/loop.texi: Add data references analysis description.
5053 2006-10-04 Brooks Moses <bmoses@stanford.edu>
5055 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
5057 2006-10-04 Richard Henderson <rth@redhat.com>
5058 Jakub Jelinek <jakub@redhat.com>
5060 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
5061 * builtin-types.def (BT_WORD): Make unsigned.
5062 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
5063 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
5064 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
5065 * c-decl.c (grokdeclarator): Don't error if !have_tls.
5066 * c-parser.c (c_parser_omp_threadprivate): Likewise.
5067 * cgraph.c (decide_is_variable_needed): Look at force_output.
5068 Recurse for emulated tls.
5069 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
5070 checks redundant with decide_is_variable_needed.
5071 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
5072 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
5074 * expr.c (emutls_var_address): New.
5075 (expand_expr_real_1): Expand emulated tls.
5076 (expand_expr_addr_expr_1): Likewise.
5077 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
5078 * output.h (emutls_finish): Declare.
5079 * toplev.c (compile_file): Call it.
5080 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
5081 address before wrapping in CONST.
5082 * varasm.c (emutls_htab, emutls_object_type): New.
5083 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
5084 (get_emutls_object_name, get_emutls_object_type): New.
5085 (get_emutls_init_templ_addr, emutls_decl): New.
5086 (emutls_common_1, emutls_finish): New.
5087 (assemble_variable): When emulating tls, swap decls; generate
5088 constructor for the emutls objects.
5089 (do_assemble_alias): When emulating tls, swap decl and target name.
5090 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
5092 * emutls.c: New file.
5093 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
5094 tls_object for real tls.
5096 2006-10-04 Zack Weinberg <zackw@panix.com>
5098 Fix bug in constraint-check generator, reported by Rask Ingemann
5100 * genpreds.c (add_constraint): Don't remove anything from the
5102 (write_tm_constrs_h): Detect whether "op" argument is used, and
5103 mark it ARG_UNUSED if it isn't.
5104 (write_insn_const_int_ok_for_constraint): Skip the part of the
5105 expression that would test whether "op" (which is not available
5106 here) is a CONST_INT.
5108 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
5111 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
5113 2006-10-03 Geoffrey Keating <geoffk@apple.com>
5115 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
5116 current Leopard versions.
5117 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
5119 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
5121 * doc/install.texi: Fix typos.
5123 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
5125 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
5126 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
5127 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
5129 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
5131 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
5132 arg to be struct mach_header_64* instead.
5134 2006-10-02 Jakub Jelinek <jakub@redhat.com>
5137 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
5138 side effects after the outer expression's post side effects.
5140 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
5142 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
5143 comments to reflect actual behavior and relationship between
5144 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
5146 * doc/c-tree.texi (Working with declarations): Fix documentation
5147 of FIELD_DECL likewise.
5149 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
5152 * doc/extend.texi: Add used variable attribute description.
5154 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
5157 * c.opt (Woverride-init): New.
5158 * c-opts.c (c_common_post_options): Default warn_override_init to
5160 * c-typeck.c (add_pending_init, output_init_element): Warn for
5161 overriding initializers without side effects.
5162 * doc/invoke.texi (-Woverride-init): Document.
5165 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
5167 PR rtl-optimization/28096
5168 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
5169 assignment has already been used as a destination earlier in the block.
5171 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
5173 * builtins.c (expand_builtin_setjmp): Delete.
5174 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
5175 <BUILT_IN_SETJMP_SETUP>: New case.
5176 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
5177 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
5178 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
5179 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
5180 (BUILT_IN_SETJMP_RECEIVER): Likewise.
5181 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
5182 (lower_function_body): Initialize it to false. If it is set to true
5183 at the end of the processing, emit the setjmp dispatcher.
5184 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
5185 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
5186 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
5187 on the rhs of the assignment.
5188 (lower_builtin_setjmp): New function.
5189 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
5190 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
5191 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
5192 to detect calls that can go to non-local labels. Use specific
5193 helper to create the abnormal edges associated with them.
5194 <MODIFY_EXPR>: Likewise.
5195 (make_abnormal_goto_edges): New function extracted from...
5196 (make_goto_expr_edges): ...here. Call it for computed gotos.
5197 (simple_goto_p): Minor tweak.
5198 (tree_can_make_abnormal_goto): New predicate.
5199 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
5200 (tree_purge_dead_abnormal_call_edges): New function.
5201 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
5202 (tree_purge_dead_abnormal_call_edges): Likewise.
5203 (make_abnormal_goto_edges): Likewise.
5204 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
5205 Purge all dead abnormal edges if the call was in the last statement.
5206 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
5207 (execute_fixup_cfg): If there are non-local labels in the function,
5208 scan the basic blocks and split them at calls that can go to non-local
5209 labels or add missing abnormal call edges. Write down the CFG in the
5211 (pass_fixup_cfg): Remove TODO_dump_func flag.
5212 * unwind-sjlj.c: Poison setjmp.
5213 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
5214 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
5215 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
5216 (DONT_USE_BUILTIN_SETJMP): Document it.
5218 2006-09-28 Geoffrey Keating <geoffk@apple.com>
5221 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
5222 to 1 when __ppc64__ is defined.
5223 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
5225 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
5227 2006-09-28 Steve Ellcey <sje@cup.hp.com>
5229 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
5230 * config/ia64/unwind-hpux.c: Delete.
5232 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
5234 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
5235 on the element before gimplifying it, instead of punting if it is of
5238 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
5240 * doc/loop.texi: New file.
5241 * doc/gccint.texi: Reference loop.texi.
5242 * Makefile.in (loop.texi): Add.
5244 2006-09-27 Geoffrey Keating <geoffk@apple.com>
5246 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
5248 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
5249 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
5251 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
5253 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
5255 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
5257 * doc/install.texi: Document required versions of GMP and MPFR.
5259 2006-09-27 Paul Brook <paul@codesourcery.com>
5262 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
5264 2006-09-27 Richard Sandiford <richard@codesourcery.com>
5266 * reload1.c (alter_reg): Require the alignment of the stack slot to
5267 be at least reg_max_ref_width bytes.
5268 (scan_paradoxical_subregs): Record the largest width in
5271 2006-09-26 Jakub Jelinek <jakub@redhat.com>
5275 * tree-nested.c (struct nesting_info): Added static_chain_added.
5276 (convert_call_expr): Set static_chain_added when adding static
5277 chain. Handle OMP_PARALLEL and OMP_SECTION.
5279 2006-09-25 Matthias Klose <doko@debian.org>
5281 * doc/invoke.texi: Add missing full stop.
5283 2006-09-25 Richard Henderson <rth@redhat.com>
5285 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
5286 before cgraph_function_flags_ready.
5288 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
5289 Adam Nemet <anemet@caviumnetworks.com>
5291 * tree-ssa-loop-ivopts.c (aff_combination_convert,
5292 determine_common_wider_type): New functions.
5293 (get_computation_aff): Use them to simplify arithmetic between
5294 UBASE and CBASE if they are shortened from the same type.
5296 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
5299 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
5300 -2147483647 - 1 instead of 0x80000000.
5302 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
5304 * flags.h (HONOR_NANS): Fix typo in comment.
5306 2006-09-23 Uros Bizjak <uros@kss-loka.si>
5308 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
5310 2006-09-23 Jakub Jelinek <jakub@redhat.com>
5314 * tree.c (merge_attributes, attribute_list_contained): If both
5315 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
5317 * c-typeck.c (comptypes_internal): Don't consider aggregates
5318 in different TUs as compatible if there one set of attributes is
5319 not a subset of the other type's attributes.
5320 (composite_type): Try harder not to create a new aggregate type.
5322 2006-09-22 Geoffrey Keating <geoffk@apple.com>
5324 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
5325 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
5326 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
5327 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
5328 than replicating condition above.
5329 * config.host (i[34567]86-*-*): Always use driver-i386.o.
5331 * config/darwin.h (LINK_SYSROOT_SPEC): New.
5332 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
5333 the linker by default.
5335 2006-09-22 Mike Stump <mrs@apple.com>
5337 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
5340 2006-09-22 Richard Guenther <rguenther@suse.de>
5343 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
5344 sort of stack variables stable.
5346 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
5349 * explow.c (force_reg): Set REG_POINTER flag according to
5352 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
5354 PR tree-optimization/28888
5355 * tree-if-conv.c (combine_blocks): Rewritten.
5356 * tree-cfg.c (tree_verify_flow_info): Check that edges with
5357 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
5359 2006-09-22 Jakub Jelinek <jakub@redhat.com>
5361 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
5364 2006-09-21 Richard Sandiford <richard@codesourcery.com>
5366 * varasm.c (copy_constant): Fix reversed gcc_assert check.
5368 2006-09-21 Janis Johnson <janis187@us.ibm.com>
5370 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
5372 2006-09-21 Roger Sayle <roger@eyesopen.com>
5375 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
5376 dw_fde_current_label, to be the start of the function, i.e. the same
5377 value as dw_fde_begin.
5379 2006-09-20 Richard Sandiford <richard@codesourcery.com>
5381 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
5382 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
5383 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
5384 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
5385 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
5386 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
5387 (abs<mode>2, neg<mode>2): Likewise.
5388 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
5389 (*mips_abs_ps): New define_insn.
5391 2006-09-20 Josh Conner <jconner@apple.com>
5394 * calls.c (expand_call): Allow reuse of structure return stack
5397 2006-09-20 Paul Brook <paul@codesourcery.com>
5399 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
5402 2006-09-20 Janis Johnson <janis187@us.ibm.com>
5404 * doc/extend.texi (Decimal Float): Update for latest draft TR,
5405 clean up terminology.
5407 2006-09-20 Steve Ellcey <sje@cup.hp.com>
5410 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
5411 with tablejumps in them.
5413 2006-09-20 Jakub Jelinek <jakub@redhat.com>
5416 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
5417 wrap it into TARGET_EXPR.
5419 2006-09-20 Eric Christopher <echristo@apple.com>
5421 * config/i386/i386.c (x86_fisttp): Remove.
5422 * config/i386/i386.h (x86_fisttp): Ditto.
5423 (TARGET_FISTTP): Ditto.
5425 2006-09-19 Eric Christopher <echristo@apple.com>
5427 * doc/tm.texi (OBJC_JBLEN): Describe.
5428 * config/i386/darwin.h (OBJC_JBLEN): Define.
5429 * config/rs6000/darwin.h: Ditto.
5431 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
5433 PR rtl-optimization/21299
5434 * reload1.c (reload): Purge invalid ASMs in the final pass.
5436 2006-09-19 Steve Ellcey <sje@cup.hp.com>
5439 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
5440 pointers as legitimate constants.
5442 2006-09-19 Paul Brook <paul@codesourcery.com>
5445 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
5447 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
5449 PR tree-optimization/28887
5450 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
5451 component parts from the reference.
5452 (gather_memory_references_ref): Record the reference without the
5453 nonaddressable component parts.
5455 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
5458 * c-opts.c (c_common_handle_option): Ignore the -std options
5459 if the input language is assembly.
5461 2006-09-17 Ira Rosen <irar@il.ibm.com>
5464 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
5466 (ptr_ptr_may_alias_p): Likewise.
5467 (record_record_differ_p): New function.
5468 (base_object_differ_p): Call record_record_differ_p.
5470 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
5473 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
5474 away for the expr argument.
5476 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
5479 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
5480 before using it for dumping after vectorizing loops.
5482 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
5483 Jack Howarth <howarth@bromo.med.uc.edu>
5486 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
5487 skip on error_mark_node.
5488 (rs6000_darwin64_record_arg_recurse): Likewise.
5490 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
5492 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
5493 * doc/rtl.texi: Remove related documentation.
5495 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
5497 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
5500 2006-09-15 Jim Wilson <wilson@specifix.com>
5502 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
5503 Handle symbol offsets same as they are handled in ia64_expand_move
5506 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
5508 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
5509 Add forgotten parameter to the fprintf call.
5511 2006-09-15 Steve Ellcey <sje@cup.hp.com>
5513 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
5515 2006-09-15 Uros Bizjak <uros@kss-loka.si>
5517 * doc/contrib.texi: Add my entry.
5519 2006-09-15 Nick Clifton <nickc@redhat.com>
5521 * doc/md.texi (Processor pipeline description): Fix typo in
5522 example of how to use the absence_set directive and reword the
5523 description to make it slightly easier to read.
5525 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
5527 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
5528 * loop-doloop.c (doloop_optimize): Use it to limit costs of
5529 expanding the number of iterations.
5530 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
5532 * cfgrtl.c (emit_insn_at_entry): New function.
5533 * rtl.h (emit_insn_at_entry): Declare it.
5534 * integrate.c (emit_initial_value_sets): Use it.
5536 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
5538 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
5540 (struct loop_work and related VEC declarations): Delete.
5541 (bfin_dump_loops): Print out new member bad.
5542 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
5543 (bfin_scan_loop): Don't recurse.
5544 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
5545 loops. No longer need to update outer loops if the current one is
5546 found bad. Move some validitiy checks to bfin_discover_loop.
5547 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
5548 but changed not to check for nesting. Also changed to use the new bad
5550 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
5551 time. Use bitmap based test to discover loop nesting.
5553 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
5555 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
5558 2006-09-14 Richard Guenther <rguenther@suse.de>
5559 Kazu Hirata <kazu@codesourcery.com>
5561 PR middle-end/28884.
5562 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
5563 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
5564 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
5565 with TARGET_FUNCTION_VALUE.
5567 2006-09-14 Anatoly Sokolov <aesok@post.ru>
5570 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
5572 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
5574 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
5577 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
5580 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
5583 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
5585 * basic_block.h (bb_has_eh_pred): Fix comment.
5587 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
5589 * flow.c (calculate_global_regs_live): Invalidate eh registers
5590 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
5591 (propagate_block): Handle eh registers as if they were set at basic
5593 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
5595 * global.c (global_conflicts): Make eh registers to conflict with
5596 pseudos live at basic block begin.
5597 * basic_block.h (bb_has_eh_pred): New function.
5599 2006-09-13 Richard Sandiford <richard@codesourcery.com>
5601 PR rtl-optimization/28982
5602 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
5603 index of a PRE_MODIFY or POST_MODIFY address.
5604 * reload1.c (inc_for_reload): Use find_replacement on the original
5605 base and index registers.
5607 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
5609 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
5610 for -Os. Update __m128 alignment requirement.
5612 2006-09-13 Jan Hubicka <jh@suse.cz>
5614 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
5616 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
5618 PR rtl-optimization/28243
5619 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
5620 the insn to which the note was originally attached.
5622 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
5623 Roger Sayle <roger@eyesopen.com>
5625 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
5626 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
5627 on platforms that don't use dwarf for debug info.
5629 2006-09-12 Jason Merrill <jason@redhat.com>
5632 * builtins.c (expand_builtin_setjmp_receiver): Clobber
5633 hard_frame_pointer_rtx after using it to update the frame pointer.
5635 2006-09-12 Roger Sayle <roger@eyesopen.com>
5637 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
5638 (TARGET_ASM_CLOSE_PAREN): Likewise.
5639 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
5640 (TARGET_ASM_CLOSE_PAREN): Likewise.
5642 2006-09-12 Roger Sayle <roger@eyesopen.com>
5645 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
5646 frame information for frames larger than 512 Kbytes on Tru64 when
5647 using the native assembler.
5649 2006-09-12 Roger Sayle <roger@eyesopen.com>
5653 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
5654 and symbols. Instead use the implementation from cse.c's hash_rtx.
5656 2006-09-12 Jan Hubicka <jh@suse.cz>
5658 PR rtl-optimization/28071
5659 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
5660 (vect_transform_loop): Likewise.
5661 * tree-vectorizer.c (new_loop_vec_info): Likewise.
5662 (new_loop_vec_info): Likewise.
5663 (destroy_loop_vec_info): Likewise.
5664 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
5665 (create_stmt_ann): Likewise.
5666 (create_tree_ann): Rename to ...
5667 (create_tree_common_ann): ... this one; allocate only the common part
5669 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
5670 (get_value_handle): Likewise.
5671 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
5672 get_tree_common_ann.
5673 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
5674 (vinfo_for_stmt): Use stmt annotations.
5675 * tree-flow.h (tree_ann_common_t): New type.
5676 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
5677 (tree_ann, get_tree_ann, create_tree_ann): New.
5678 * tree-flow-inline.h (get_function_ann): Do more type checking.
5679 (stmt_ann): Likewise.
5680 (tree_ann): Rename to ...
5681 (tree_common_ann): ... this one; return ony common_ann
5682 (get_tree_ann): Rename to ...
5683 (tree_common_ann): This one; return only common_ann.
5684 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
5687 2006-09-11 Geoffrey Keating <geoffk@apple.com>
5689 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
5690 with_cpu by default.
5692 * dwarf2out.c (dwarf_file_data): New.
5693 (enum dw_val_class): Add dw_val_class_file.
5694 (struct dw_val_struct): Add val_file.
5695 (file_table): Change to a hash table.
5696 (file_table_emitted): Delete.
5697 (file_table_last_lookup_index): Delete.
5698 (emitcount): Delete.
5699 (last_emitted_file): New.
5700 (lookup_filename): Change prototype to return a struct dwarf_file_data.
5701 (init_file_table): Delete.
5702 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
5703 (AT_addr): Add comment.
5707 (print_die): Handle dw_val_class_file.
5708 (print_dwarf_line_table): Update for new file table structure.
5709 (attr_checksum): Do checksum a filename.
5710 (same_dw_val_p, same_attr_p): Do compare a filename.
5711 (size_of_die): Handle dw_val_class_file.
5712 (value_format): Likewise.
5713 (output_die): Likewise. Also, call maybe_emit_file here.
5714 (struct file_info): Constify filenames. Make file_idx a pointer
5715 to a struct dwarf_file_data.
5716 (struct dir_info): Constify directory names. Remove 'used' field.
5717 (struct file_name_acquire_data): New.
5718 (file_name_acquire): New.
5719 (output_file_names): Modify to handle new file data structures.
5720 (add_src_coords_attributes): Use add_AT_file.
5721 (add_call_src_coords_attributes): Likewise.
5722 (dwarf2out_imported_module_or_decl): Likewise.
5723 (gen_subprogram_die): Modify for new file data structures.
5724 (gen_variable_die): Likewise.
5725 (file_table_eq): New.
5726 (file_table_hash): New.
5727 (file_table_last_lookup): New.
5728 (lookup_filename): Rewrite to handle new file data structures.
5729 (maybe_emit_file): Rewrite to handle new file data structures.
5730 (dwarf2out_source_line): Always call lookup_filename and
5732 (dwarf2out_init): Create file_table here.
5733 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
5734 (file_table_relative_p): New.
5735 (dwarf2out_finish): Change detection of relative filenames
5736 to work with new file data structures. Move output_line_info call
5737 after debug_info output.
5739 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
5744 * config/i386/i386.c (override_options): Always default to 16
5745 byte stack boundary.
5747 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
5750 * var-tracking.c (dump_dataflow_set): Start dumping at
5752 (clobber_variable_part): Kill only the variable part in
5753 registers holding it, leaving other variables alone.
5755 2006-09-11 Josh Triplett <josh@freedesktop.org>
5757 * doc/extend.texi (Other Builtins): Actually use the macro
5758 argument in the documentation example for
5759 __builtin_types_compatible_p.
5761 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5763 PR rtl-optimization/28726
5764 * sched-deps.c (sched_analyze_reg): New function extracted from...
5765 (sched_analyze_1): ...here. Call it to analyze references to
5766 registers. Treat again writes to a stack register as writing to the
5768 (sched_analyze_2): ...and here. Call it to analyze references to
5769 registers. Treat again reads of a stack register as reading the
5772 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
5773 David Edelsohn <edelsohn@gnu.org>
5776 * config/rs6000/spe.md (frob_df_di): Remove %H.
5777 (frob_di_df): Remove %H. Change evmergelo to mr.
5778 (frob_di_df_2): Remove %H. Change evldd to two loads.
5780 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
5782 * doc/cpp.texi: Fix names of charset options.
5784 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
5787 * config/i386/i386.c (override_options): Use 128-bit
5788 stack boundary always for 64bits.
5790 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
5792 PR rtl-optimization/28636
5793 * combine.c (force_to_mode): Test for side-effects before
5794 substituting by zero.
5795 (simplify_shift_const): Likewise for zero or other constants.
5797 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
5800 * builtins.c (expand_builtin_setjmp): Force next_lab to be
5803 2006-09-10 Richard Sandiford <richard@codesourcery.com>
5806 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
5807 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
5808 returned by mode_for_size, rather than the mode of src itself,
5809 to choose between 32-bit and 64-bit patterns.
5810 (mips_mem_fits_mode_p): New function.
5811 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
5812 that the size of the source matches the size of the destination.
5813 (mov_<store>l, mov_<store>r): Likewise.
5815 2006-09-10 Eric Christopher <echristo@apple.com>
5817 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
5820 2006-09-09 Eric Christopher <echristo@apple.com>
5823 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
5826 2006-09-09 Roger Sayle <roger@eyesopen.com>
5827 Nicolas Setton <setton@adacore.com>
5829 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
5831 2006-09-10 Andreas Schwab <schwab@suse.de>
5833 * config/m68k/m68k.md (bungt_rev): New pattern.
5835 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
5836 Dale Johannesen <dalej@apple.com>
5839 * regclass.c (struct reg_pref): Update documentation.
5840 (regclass): Set prefclass to NO_REGS if memory is the best option.
5841 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5843 2006-09-08 Eric Christopher <echristo@apple.com>
5845 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
5846 * config/t-slibgcc-darwin: Support x86_64 multilib.
5847 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
5848 Return 1 for x86_64-darwin.
5849 * config/i386/t-darwin: Add m64 multilib.
5850 (LIB2_SIDITI_CONV_FUNCS): Use.
5851 (LIB2FUNCS_EXTRA): Ditto.
5852 * config/i386/darwin.h: Support x86_64.
5853 * config/i386/i386.c (override_options): Turn on flag_pic
5854 for x86_64-darwin. Disable flag_omit_pointer.
5855 (get_pc_thunk_name): Assert !TARGET_64BIT.
5856 (legitimate_address_p): Disable machopic addressing for
5858 (legitimize_pic_address): Ditto.
5859 (ix86_expand_move): Ditto.
5860 (ix86_expand_call): Ditto.
5861 (machopic_output_stub): Ditto.
5862 * config/darwin.c (machopic_select_section): Support literal16.
5863 (machopic_select_rtx_section): Ditto.
5864 * config/darwin-sections.def: Ditto.
5865 * config/darwin-64.c: New.
5867 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
5870 * c-tree.h (struct c_arg_info): Add pending_sizes.
5871 * c-parser.c (c_parser_parms_declarator,
5872 c_parser_parms_list_declarator): Initialize pending_sizes.
5873 * c-decl.c (get_parm_info): Initialize pending_sizes.
5874 (get_parm_info): Set pending_sizes.
5875 (grokdeclarator): Call put_pending_sizes for parameters for
5876 function definition only.
5878 2006-09-07 Jason Merrill <jason@redhat.com>
5881 * varasm.c (output_constant): Only strip actual no-op conversions.
5884 * config/i386/i386.c (override_options): Use 128-bit
5885 stack boundary if -msse.
5887 2006-09-07 Eric Christopher <echristo@apple.com>
5889 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
5891 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
5894 2006-09-07 Geoffrey Keating <geoffk@apple.com>
5896 * dwarf2out.c: Remove strange characters from comment above
5897 dwarf2out_frame_debug_expr.
5899 2006-09-07 Eric Christopher <echristo@apple.com>
5901 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
5902 * config/darwin.h: ... to here.
5904 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
5906 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
5908 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
5909 (TARGET_PARTIAL_FLAG_REG_STALL): New.
5911 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
5912 TARGET_PARTIAL_FLAG_REG_STALL.
5913 (*ashldi3_cconly_rex64): Likewise.
5914 (*ashlsi3_cmp): Likewise.
5915 (*ashlsi3_cconly): Likewise.
5916 (*ashlsi3_cmp_zext): Likewise.
5917 (*ashlhi3_cmp): Likewise.
5918 (*ashlhi3_cconly): Likewise.
5919 (*ashlqi3_cmp): Likewise.
5920 (*ashlqi3_cconly): Likewise.
5921 (*ashrdi3_cmp_rex64): Likewise.
5922 (*ashrdi3_cconly_rex64): Likewise.
5923 (*ashrsi3_cmp): Likewise.
5924 (*ashrsi3_cconly): Likewise.
5925 (*ashrsi3_cmp_zext): Likewise.
5926 (*ashrhi3_cmp): Likewise.
5927 (*ashrhi3_cconly): Likewise.
5928 (*ashrqi3_cmp): Likewise.
5929 (*ashrqi3_cconly): Likewise.
5930 (*lshrdi3_cmp_rex64): Likewise.
5931 (*lshrdi3_cconly_rex64): Likewise.
5932 (*lshrsi3_cmp): Likewise.
5933 (*lshrsi3_cconly): Likewise.
5934 (*lshrsi3_cmp_zext): Likewise.
5935 (*lshrhi3_cmp): Likewise.
5936 (*lshrhi3_cconly): Likewise.
5937 (*lshrqi2_cmp): Likewise.
5938 (*lshrqi2_cconly): Likewise.
5940 2006-09-07 Uros Bizjak <uros@kss-loka.si>
5943 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
5944 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
5945 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
5946 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
5947 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
5948 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
5949 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
5950 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
5951 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
5952 implement only CC setting effects of shift instructions.
5954 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
5956 * doc/contrib.texi: Add myself.
5958 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
5961 * stor-layout.c (relayout_decl): Don't zero the alignment if it
5962 was set by the user.
5964 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
5967 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
5968 (divsi_inv_m1): Use them.
5969 (UNSPEC_DIV_INV_TABLE): New constant.
5971 2006-09-06 James E Wilson <wilson@specifix.com>
5974 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
5975 then call count_or_remove_death_notes.
5977 2006-09-06 Jason Merrill <jason@redhat.com>
5980 * tree-inline.c (copy_result_decl_to_var): New fn.
5981 (declare_return_variable): Use it. Call declare_inline_vars here.
5982 (expand_call_inline): Not here.
5984 2006-09-06 Diego Novillo <dnovillo@redhat.com>
5986 * doc/contrib.texi: Update my entry.
5988 2006-09-06 Nick Clifton <nickc@redhat.com>
5990 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
5992 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
5995 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
5996 (canonicalize_induction_variables): Likewise.
5997 (tree_unroll_loops_completely): Likewise.
5998 (tree_ssa_prefetch_arrays): Likewise.
5999 (remove_empty_loops): Likewise.
6000 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
6001 TODO_cleanup_cfg instead of directly calling
6002 cleanup_tree_cfg_loop.
6003 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
6005 (tree_unroll_loops_completely): Likewise.
6006 (remove_empty_loops): Likewise.
6007 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
6008 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
6009 of tree_ssa_unswitch_loops.
6010 (tree_ssa_loop_ivcanon): Use the return value of
6011 canonicalize_induction_variables.
6012 (tree_ssa_empty_loop): Use the return value of
6014 (tree_complete_unroll): Use the return value of
6015 tree_unroll_loops_completely.
6016 (tree_ssa_loop_prefetch): Use the return value of
6017 tree_ssa_prefetch_arrays.
6018 * passes.c (execute_todo): Before Cleanup CFG, set
6019 updating_used_alone and after cleanup CFG, call
6020 recalculate_used_alone.
6022 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
6025 * tree-vect-transform.c (vectorizable_condition): Move the check
6026 for the type after the check for simple condition.
6028 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
6029 Kaz Kojima <kkojima@gcc.gnu.org>
6032 * mode-switching.c (optimize_mode_switching): Make the destination
6033 block of an abnormal edge have no anticipatable mode. Don't
6034 insert mode switching code at the end of the source block of
6037 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
6039 PR rtl-optimization/26847
6040 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
6041 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
6042 (simplify_plus_minus): Count n_constants while filling ops. Replace
6043 qsort with insertion sort. Before going through the array to simplify
6044 pairs, sort it. Delay early exit until after the first sort, exiting
6045 only if no swaps occurred. Simplify pairs in reversed order, without
6046 special-casing the first iteration. Pack ops after simplifying pairs.
6048 2006-09-05 Anatoly Sokolov <aesok@post.ru>
6050 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
6051 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
6052 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
6053 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
6055 2006-09-05 Richard Guenther <rguenther@suse.de>
6057 PR tree-optimization/28900
6058 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
6059 compound conditional before creating COND_EXPR condition.
6061 2006-09-05 Richard Guenther <rguenther@suse.de>
6063 PR tree-optimization/28905
6064 * tree-vrp.c (fix_equivalence_set): Manually implement
6065 !value_ranges_intersect_p to also handle symbolic ranges.
6067 2006-09-05 Richard Guenther <rguenther@suse.de>
6070 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
6073 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
6075 PR rtl-optimization/27616
6076 * cse.c (table_size): New static variable.
6077 (new_basic_block): Initialize it to 0.
6078 (remove_from_table): Decrement it.
6079 (insert): Increment it.
6080 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
6081 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
6082 fold_rtx_mem_1 if under the cap.
6083 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
6084 the lookup of the equivalent expression and test for equality of the
6085 first operand of the equivalent expression before in turn looking up
6086 an equivalent constant for the second operand.
6088 2006-09-02 Geoffrey Keating <geoffk@apple.com>
6091 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
6092 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
6093 pointer, instead of assuming it is possible to derive the
6094 correct args size from a call insn.
6096 2006-09-02 Jakub Jelinek <jakub@redhat.com>
6099 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
6100 (fold_builtin_mempcpy): Rename to...
6101 (fold_builtin_memory_op): ... this. Optimize one element copy
6103 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
6105 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
6106 (expand_builtin_memcpy, expand_builtin_mempcpy,
6107 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
6108 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
6109 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
6110 BUILT_IN_MEM{CPY,PCPY,MOVE}.
6112 2006-09-01 DJ Delorie <dj@redhat.com>
6114 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
6115 (stzx_16): Likewise.
6116 ("stzx_24_<mode>"): Likewise.
6117 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
6118 ("cmp<mode>_op"): New.
6119 (cmp<mode>): Change to expander; just save operands.
6121 (b<code>): Change to expander, emit compare here.
6122 (s<code>_op): Change to use split and expander.
6123 (s<code>_24_op): Likewise.
6124 (s<code>_<mode>): New.
6125 (s<code>_<mode>_24): New.
6126 (movqicc_<code>_<mode): New.
6127 (movhicc_<code>_<mode>): New.
6130 * config/m32c/m32c.c (compare_op0, compare_op1): New.
6131 (m32c_pend_compare): New.
6132 (m32c_unpend_compare): New.
6133 (m32c_expand_scc): New.
6134 (m32c_expand_movcc): Emit the compare also.
6135 * config/m32c/predicates.md (mra_nopp_operand): New.
6137 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
6138 Richard Guenther <rguenther@suse.de>
6139 Adam Nemet <anemet@caviumnetworks.com>
6142 * builtins.c (get_pointer_alignment): Handle more forms
6143 of base addresses that can be used to derive more precise
6144 information about alignment.
6146 2006-09-01 Jason Merrill <jason@redhat.com>
6149 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
6152 * gimplify.c (voidify_wrapper_expr): Handle null type.
6154 2006-09-01 Josh Conner <jconner@apple.com>
6157 * tree-nrv.c (dest_safe_for_nrv_p): New function.
6158 (execute_return_slot_opt): Use it.
6160 2006-08-31 Josh Conner <jconner@apple.com>
6163 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
6164 returning aggregates.
6166 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
6168 PR tree-optimization/28839
6169 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
6170 blocks in that phi arguments appear.
6172 2006-08-31 Roger Sayle <roger@eyesopen.com>
6175 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
6176 NULL, otherwise use an advance_loc4 to adjust relative to the
6178 (output_cfi) <DW_CFA_set_loc>: Update the current label.
6179 (dwarf2out_switch_text_section): Reset the current label to avoid
6180 using advance_loc4 over section boundaries.
6182 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
6185 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
6186 r12 + SYMBOLIC_CONST.
6188 2006-08-30 Richard Guenther <rguenther@suse.de>
6190 * Makefile.in (see.o): Add $(EXPR_H) dependency.
6192 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
6194 PR rtl-optimization/27735
6195 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
6196 Add new argument to keep track of whether an irreducible region
6197 was affected. All callers changed.
6198 (fix_irreducible_loops): Removed.
6199 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
6200 flags were invalidated.
6202 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
6204 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
6205 instead of SF operands.
6206 (*fop_df_comm_sse): Likewise.
6207 (*fop_df_comm_i387): Likewise.
6208 (*fop_df_1_mixed): Likewise.
6209 (*fop_df_1_sse): Likewise.
6211 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
6212 J"orn Rennecke <joern.rennecke@st.com>
6214 PR tree-optimization/17506
6215 * tree-ssa.c (warn_uninit): If warning about a location outside of
6216 the current function, note where the variable was declared.
6218 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
6220 PR tree-optimization/28411
6221 * double-int.c (double_int_div): Use double_int_divmod.
6222 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
6223 double_int_mod, double_int_smod, double_int_umod): New functions.
6224 * double-int.h (double_int_divmod, double_int_sdivmod,
6225 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
6227 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
6229 (get_computation_aff, get_computation_cost_at): Handle double_int
6230 return type of constant_multiple_of.
6232 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
6235 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
6236 an implicit conversion.
6238 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
6240 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
6242 2006-08-27 Roger Sayle <roger@eyesopen.com>
6244 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
6247 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
6249 * config/i386/crtfastmath.c: Fix a comment typo.
6251 2006-08-26 Roger Sayle <roger@eyesopen.com>
6253 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
6254 temporary visit flags on CASE_LABEL_EXPRs.
6255 * c-common.c (match_case_to_enum): Add function comment. Avoid
6256 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
6257 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
6258 CASE_HIGH_SEEN for enumerated types. If the switch expression is
6259 a constant, only warn if that constant value isn't handled.
6261 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
6264 * input.h (restore_input_file_stack): Declare.
6265 (INPUT_FILE_STACK_BITS): Define.
6266 * toplev.c (fs_p, input_file_stack_history,
6267 input_file_stack_restored, restore_input_file_stack): New.
6268 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
6269 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
6270 (pop_srcloc): Don't free old state of stack.
6272 2006-08-26 David Edelsohn <edelsohn@gnu.org>
6275 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
6276 (PowerPC Type Attributes): New.
6278 2006-08-26 Bob Wilson <bob.wilson@acm.org>
6280 * config/xtensa/xtensa.c (function_arg_boundary): New.
6281 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
6283 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
6284 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
6286 2006-08-26 Jakub Jelinek <jakub@redhat.com>
6289 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
6292 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6294 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
6295 (verify_local_live_at_start): Likewise.
6297 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
6300 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
6301 omp_add_variable): Treat sizes as variable whenever not
6304 2006-08-26 Richard Guenther <rguenther@suse.de>
6307 * fold-const.c (fold_binary): Fold temporary to correct
6308 type before constructing new comparison.
6310 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
6313 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
6314 variable again if DECL_SEEN_IN_BIND_EXPR_P.
6316 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
6319 * c-decl.c (start_function): Don't try to process prototype
6320 information from old declaration that isn't a function.
6322 2006-08-25 Jan Hubicka <jh@suse.cz>
6325 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
6327 2006-08-25 Alan Modra <amodra@bigpond.net.au>
6330 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
6333 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
6335 PR tree-optimization/16876
6336 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
6337 exit if PARM doesn't match VALUE.
6339 2006-08-25 Bob Wilson <bob.wilson@acm.org>
6341 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
6342 literal_prefix directive.
6343 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
6344 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
6345 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
6347 2006-08-25 David Edelsohn <edelsohn@gnu.org>
6350 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
6351 predicate to general_operand. Add 0->y and I->r alternatives.
6353 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
6355 * doc/tm.texi: Fix a typo.
6356 * predict.c: Fix comment typos.
6358 2006-08-25 Nick Clifton <nickc@redhat.com>
6360 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
6361 assertions of "cpu" and "machine".
6363 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
6366 * tree-ssa-operands.c (access_can_touch_variable): Don't say
6367 the access through a base which has an alias set of 0 cannot
6370 2006-08-24 Bill Wendling <wendling@apple.com>
6372 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
6374 2006-08-24 Jan Hubicka <jh@suse.cz>
6376 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
6378 2006-08-24 Jan Hubicka <jh@suse.cz>
6381 * cgraph.c: Fix comments.
6382 (cgraph_varpool_mark_needed_node): Mark only variables not already
6384 * cgraphunit.c: Update comments; include gt-cgraphunit.h
6385 (cgraph_varpool_assembled_nodes_queue): New static variable.
6386 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
6387 (cgraph_varpool_output_debug_info): New function.
6388 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
6389 * Makefile.in: Add gt-cgraphunit.h
6391 2006-08-24 Jan Hubicka <jh@suse.cz>
6393 * predict.c (probability_reliable_p): New predicate.
6394 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
6395 (predict_loops): Do not predict loop exit with less than 2%
6397 * basic-block.h (edge_probability_reliable_p,
6398 br_prob_note_reliable_p): Declare.
6399 * ia64.h (ia64_print_operand): Do not disable on-chip branch
6400 prediction when static predictor is not reliable.
6401 * rs6000.c (output_cbranch): Likewise.
6403 2006-08-23 Stuart Hastings <stuart@apple.com>
6406 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
6407 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
6409 2006-08-21 Geoffrey Keating <geoffk@apple.com>
6412 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
6413 complex values, nor for generic vector values.
6415 2006-08-22 Richard Guenther <rguenther@suse.de>
6418 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
6419 parameter. Convert arguments to arithmetic expression to the
6421 (analyze_scalar_evolution_1): Adjust caller.
6423 2006-08-22 Jan Hubicka <jh@suse.cz>
6425 Patch by Paolo Bonzini
6426 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
6429 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
6431 PR tree-optimization/28003
6432 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
6433 before grouping aliases.
6435 2006-08-22 Roger Sayle <roger@eyesopen.com>
6437 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
6438 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
6440 2006-08-21 Jason Merrill <jason@redhat.com>
6443 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
6444 wrapper. Loop to handle nested wrappers.
6445 (gimplify_bind_expr): Remove temp parameter.
6446 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
6447 and STATEMENT_LIST on the rhs.
6448 (gimplify_statement_list): Voidify the STATEMENT_LIST.
6449 (gimplify_expr): Pass pre_p to gimplify_statement_list.
6450 (gimplify_target_expr): Remove special BIND_EXPR handling.
6452 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
6454 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
6457 2006-08-21 Olivier Hainque <hainque@adacore.com>
6459 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
6460 Arrange for the temporary captures of components overlapping the lhs
6461 to happen before the lhs is possibly cleared.
6463 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
6465 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
6466 necessary places to pass the correct "number of registers" values
6469 2006-08-20 Jan Hubicka <jh@suse.cz>
6471 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
6472 (create_name_tags): Instead of quadratic checking use hashtable.
6473 * bitmap.h: Include hashtab.h.
6474 (bitmap_hash): Declare.
6475 * bitmap.c (bitmap_hash): New function.
6477 2006-08-20 Jan Hubicka <jh@suse.cz>
6479 PR rtl-optimization/28071
6480 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
6482 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
6483 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
6484 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
6485 cgraph_decide_inlining_incrementally): Update use of
6486 cgraph_check_inline_limits.
6487 * cgraph.c (edge_hash, edge_eq): New function.
6488 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
6489 cgraph_edge_remove_caller, cgraph_node_remove_callees,
6490 cgraph_remove_node): Maintain call site hash.
6491 * cgraph.h (struct cgraph_node): Add call_site_hash.
6492 (cgraph_set_call_stmt): New function.
6494 2006-08-20 Jan Hubicka <jh@suse.cz>
6496 PR rtl-optimization/28071
6497 * reload1.c (reg_has_output_reload): Turn into regset.
6498 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
6499 choose_reload_regs, emit_reload_insns): Update to new
6500 reg_has_output_reload.
6502 2006-08-20 Jan Hubicka <jh@suse.cz>
6505 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
6506 function body sizes.
6507 * cgraphunit.c (cgraph_analyze_function): Don't do so.
6509 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
6512 * tree.c (handle_dll_attribute): Return early if not a
6513 var or function decl.
6515 2006-08-18 Joseph Myers <joseph@codesourcery.com>
6518 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
6519 alignment of SPE vector types.
6521 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
6523 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
6525 2006-08-17 Jakub Jelinek <jakub@redhat.com>
6528 * cgraph.h (struct cgraph_node): Remove externally_visible
6530 * cgraphunit.c (process_function_and_variable_attributes): Set
6531 local.externally_visible rather than externally_visible.
6534 * c-common.c (handle_externally_visible_attribute): First look
6535 at TREE_CODE and only if it is function or var decl, check for
6536 non-public objects. Don't warn for DECL_EXTERNAL.
6537 * cgraphunit.c (process_function_and_variable_attributes): Warn
6538 if externally_visible attribute is used on non-public object.
6540 2006-08-17 Jan Hubicka <jh@suse.cz>
6542 PR tree-optimization/27865
6543 * reload1.c (forget_marked_reloads): New function.
6544 (forget_old_reloads_1): When data are passed, just mark the registers
6546 (reload_as_needed): Use the new mechanizm.
6548 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
6551 * reload.h (reg_equiv_alt_mem_list): New declaration.
6552 * reload1.c (reg_equiv_alt_mem_list): New definition.
6553 (reload): Initialize it and release it.
6554 (delete_output_reload): Use it.
6555 * reload.c (push_reg_equiv_alt_mem): New function.
6556 (find_reloads_toplev): Call it.
6557 (find_reloads_address, find_reloads_address_1): Likewise.
6558 (find_reloads_subreg_address): Likewise.
6560 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6562 PR rtl-optimization/28489
6563 * sched-ebb.c (begin_schedule_ready): Create basic block
6565 (advance_target_bb): Skip empty blocks.
6566 * haifa-sched.c (bb_note): Make global.
6567 * sched-int.h (bb_note): Add prototype.
6569 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6571 PR tree-optimization/27865
6572 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
6574 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
6575 fold_used_pointer, pointer_used_p): New functions.
6576 (analyze_scalar_evolution_1): Use fold_used_pointer.
6577 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
6578 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
6581 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
6584 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
6585 or the INTEGER_CST. Fail on a CALL_EXPR.
6586 (fold_offsetof): Pass new argument to fold_offsetof_1.
6587 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
6588 operand into an INDIRECT_REF.
6589 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
6591 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6593 PR gcov/profile/26570
6594 * value-prof.c (static_values): Removed.
6595 (tree_find_values_to_profile): Do not set static_values.
6596 (find_values_to_profile): Do not free static_values.
6597 * profile.c (instrument_values): Do not free the values.
6598 (branch_prob): Free the values.
6600 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
6602 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
6604 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
6607 * c-typeck.c (build_component_ref): Combine qualifiers of
6608 structure or union and field.
6610 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6612 PR rtl-optimization/28071
6613 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
6614 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
6615 * tree-into-ssa.c (struct dom_dfsnum): New.
6616 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
6618 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
6619 compute_global_livein.
6620 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
6621 in phi nodes in the correct blocks.
6623 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6625 PR tree-optimization/28364
6626 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
6628 (fold_affine_expr): New function.
6629 (may_eliminate_iv): Use fold_affine_expr.
6631 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6634 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
6637 2006-08-16 Mike Stump <mrs@apple.com>
6639 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
6640 * doc/cppopts.texi (-MD): Likewise.
6642 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
6645 * c-common.c (handle_weak_attribute): Ignore and warn if
6646 not a FUNCTION_ or VAR_DECL.
6648 2006-07-15 Mike Stump <mrs@apple.com>
6651 * c-parser.c (c_parser_typeof_specifier): Don't use
6652 c_finish_expr_stmt, open code desired semantics instead.
6654 2006-08-15 Nick Clifton <nickc@redhat.com>
6656 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
6657 fragment to tmake_file only if threads are enabled.
6658 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
6659 * config/i386/t-gthr-win32: New file. ... here.
6661 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6664 * c-parser.c (c_parser_compound_statement_nostart): Reset
6665 parser->error after each statement.
6667 2006-08-15 Jakub Jelinek <jakub@redhat.com>
6670 * omp-low.c (lower_omp_parallel): Convert t to
6671 receiver_decl's type.
6672 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
6673 source before comparison.
6676 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
6677 to itype in assignment to oldival2.
6679 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
6683 * c-typeck.c (build_compound_expr): If the second expression
6684 is an error mark, then just return an error mark instead of
6685 creating a COMPOUND_EXPR.
6687 2006-07-14 Mike Stump <mrs@apple.com>
6689 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
6691 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
6693 * c-decl.c, var-tracking.c: Fix comment typos.
6695 2006-08-14 Richard Sandiford <richard@codesourcery.com>
6697 PR rtl-optimization/28634
6698 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
6699 for floating-point modes unless flag_unsafe_math_optimizations.
6701 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
6702 Andrew Pinski <pinskia@physics.uc.edu>
6705 * tree.c (build_array_type): Unify array types with
6706 unspecified index_type.
6707 * c-decl.c (grokdeclarator): Make sure we do not modify a
6708 unified incomplete array type.
6709 * c-typeck.c (store_init_value): Create distinct type before
6710 filling in the index type in an initializer from a compound
6713 * c-decl.c (grokdeclarator): Remove code where we copy the
6716 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
6718 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
6719 into account for TODO_dump_cgraph.
6720 (TODO_update_ssa_no_phi): Likewise.
6721 (TODO_update_ssa_full_phi): Likewise.
6722 (TODO_update_ssa_only_virtuals): Likewise.
6723 (TODO_remove_unused_locals): Likewise.
6724 (TODO_set_props): Likewise.
6725 (TODO_update_stmt_usage): Likewise.
6727 2006-08-13 Dirk Mueller <dmueller@suse.de>
6729 * c-common.c (strict_aliasing_warning): Fix formatting.
6731 2006-08-13 Matthias Klose <doko@debian.org>
6733 * doc/invoke.texi: Fix spelling errors.
6735 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
6737 PR rtl-optimization/23454
6738 * reorg.c (relax_delay_slots): Update comment.
6740 2006-08-11 Richard Guenther <rguenther@suse.de>
6743 * simplify-rtx.c (simplify_const_relational_operation):
6744 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
6747 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
6749 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
6750 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
6752 2006-08-10 Paul Brook <paul@codesourcery.com>
6754 * final.c (final_scan_insn): Clear current_insn_predicate before
6755 outputting inline asm.
6757 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
6759 PR tree-optimization/26197
6760 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
6761 get_ref_base_and_extent and overlap_subvar to add only relevant
6762 subvars as may-aliases.
6763 (add_may_alias_for_new_tag): New function, factored out of
6765 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
6766 with additional argument.
6767 * tree-flow.h (new_type_alias): Takes additional argument.
6769 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
6771 * gcov.c (no_data_file): New flag.
6772 (read_count_file): Set it if data file not present. Assume counts
6774 (output_lines): Don't name the data file, if there wasn't one.
6776 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
6778 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
6779 (rs6000_generate_compare): Tweak comments.
6780 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
6782 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
6784 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
6785 (var_debug_decl): New function.
6786 (var_reg_set): Follow debug decl link. Add location even if
6787 reg is already known to hold some other variable.
6788 (var_mem_set): Follow debug decl link.
6789 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
6790 decl link. Delete other known locations of the variable part
6792 (var_reg_delete, var_mem_delete): Delete other known locations
6793 of the variable part if requested.
6794 (same_variable_part_p): New function.
6795 (add_stores): Select MO_COPY when appropriate.
6796 (vt_initialize): Handle it.
6797 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
6798 known locations for MO_SET and MO_CLOBBER.
6799 (find_variable_location_part): New function.
6800 (set_variable_part, delete_variable_part): Use it.
6801 (clobber_variable_part): New function.
6802 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
6805 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
6807 PR tree-optimization/26969
6808 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
6809 with an empty list of PHIs.
6811 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
6815 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
6818 2006-08-06 Andreas Schwab <schwab@suse.de>
6820 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
6821 string. Whitespace and comment fixup.
6823 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6826 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
6830 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
6833 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
6835 2006-08-04 Jan Hubicka <jh@suse.cz>
6839 * reload.c (push_reload): Patch out the mismatching instruction;
6841 (find_reload): Bail out if the instruction was patched out.
6843 2006-08-04 Jan Hubicka <jh@suse.cz>
6845 PR tree-optimization/24888
6846 * tree-inline.c (expand_call_inline): Do not re-record variables.
6847 (declare_inline_vars): Add variable to unexpanded_var_list.
6849 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6850 Roger Sayle <roger@eyesopen.com>
6852 PR rtl-optimization/26244
6853 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
6854 inner_const are negative or greater than or equal to the bitsize of
6855 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
6856 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
6857 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
6858 CONST0_RTX (mode) when the new shift count is greater than or equal to
6859 to the bitsize of the object being shifted and XEXP (y, 0) has no side
6862 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
6864 * tree-cfg.c: Fix a comment typo.
6866 2006-08-03 Mark Mitchell <mark@codesourcery.com>
6869 * varasm.c (output_constant): Give the front end another chance to
6870 expand constants, after stripping NOPs.
6872 2006-08-03 Jan Hubicka <jh@suse.cz>
6874 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
6877 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
6879 PR tree-optimization/27770
6880 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
6881 declaration removed (moved to tree-flow.h).
6882 (vect_can_force_dr_alignment_p): Likewise.
6883 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
6884 (moved from tree-vectorizer.h).
6885 (vect_can_force_dr_alignment_p): Likewise.
6886 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
6887 from outside the vectorizer - in particular from cgraph stage.
6888 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
6889 the alignment of global arrays when -fsection-anchors is enabled.
6890 * cgraphunit.c (cgraph_increase_alignment): New function.
6891 (cgraph_optimize): Call cgraph_increase_alignment.
6893 2006-08-03 David Edelsohn <edelsohn@gnu.org>
6896 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
6897 not reload a SPE symbol_ref into a lo_sum address.
6899 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
6902 * dwarf2out.c (prune_unused_types_prune): Move call to
6903 prune_unused_types_update_strings to cover the parent DIE also.
6905 2006-08-02 Jan Hubicka <jh@suse.cz>
6907 PR gcov/profile/28480
6908 * tree-cfg.c (change_bb_for_stmt): New function.
6909 (tree_merge_blocks, tree_split_blocks): Use it.
6911 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6917 * toplev.c (compile_file): Return early on errorcount or sorrycount.
6918 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
6919 (cgraph_optimize): Likewise.
6921 2006-08-01 Stuart Hastings <stuart@apple.com>
6923 * rtl.h (UINTVAL) New.
6924 * config/rs6000/rs6000.c (SMALL_INT) Use it.
6925 * testsuite/gcc.dg/20060801-1.c: New.
6927 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
6930 * c-typeck.c (build_external_type): Mark used enum types.
6931 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
6933 (gen_subprogram_die): Whitespace fix.
6935 2006-08-01 Jan Hubicka <jh@suse.cz>
6937 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
6938 bitmap when not needed.
6939 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
6942 2006-08-01 Dirk Mueller <dmueller@suse.de>
6944 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
6946 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6948 * Makefile.in: Revert part of previous patch:
6949 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
6952 2006-07-30 Eric Christopher <echristo@apple.com>
6955 * doc/extend.texi (i386 Variable Attributes): Add anchor.
6956 (PowerPC Variable Attributes): New section.
6958 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
6960 PR target/28126 (partial fix)
6961 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
6963 2006-07-28 Jan Hubicka <jh@suse.cz>
6965 PR rtl-optimization/28071
6966 * cfgrtl.c (rtl_delete_block): Free regsets.
6967 * flow.c (allocate_bb_life_data): Re-use regsets if available.
6969 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6971 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
6972 and variables used in dependencies.
6974 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
6976 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
6977 %fs for -mcmodel=kernel.
6978 (stack_tls_protect_test_di): Likewise.
6980 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
6982 * Makefile.in: Use mkinstalldirs.
6984 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
6987 * opts-common.c (prune_options): Skip joined switches.
6989 2006-07-27 Jan Hubicka <jh@suse.cz>
6991 PR rtl-optimization/28071
6992 * cselib.c (cselib_process_insn): Don't remove useless values too
6993 often for very large hashtables.
6995 2006-07-27 Jan Hubicka <jh@suse.cz>
6997 PR rtl-optimization/28071
6998 * global.c (greg_obstack): New obstack.
6999 (allocate_bb_info): Use it.
7000 (free_bb_info): Likewise.
7001 (modify_reg_pav): Likewise.
7003 2006-07-27 Roger Sayle <roger@eyesopen.com>
7005 * builtins.c (fold_fixed_mathfn): When long and long long are the
7006 same size, canonicalize llceil*, llfloor*, llround* and llrint*
7007 functions to their lceil*, lfloor*, lround* and lrint* forms.
7009 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
7012 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
7014 (rev_branch_insn): Likewise.
7016 2006-07-27 Jan Hubicka <jh@suse.cz>
7018 PR rtl-optimization/28071
7019 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
7020 (reg_set_in_bb, max_reg_computed): New static variables.
7021 (regmove_optimize): Free the new array.
7022 (fixup_match_1): Update call of reg_is_remote_constant_p.
7024 2006-07-26 Jan Hubicka <jh@suse.cz>
7026 PR tree-optimization/27882
7027 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
7029 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
7031 (cgraph_analyze_compilation_unit): Likewise.
7032 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
7033 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
7034 (cgraph_early_inlinine): Make order garbage collected.
7035 * Makefile.in (gt-ipa-inline): New garbagecollected file.
7037 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
7039 * dbxout.c (output_types_sort): Add a comment.
7040 (output_used_types): Free the VEC.
7042 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
7044 * function.c (reorder_fix_fragments): Delete.
7045 (reorder_blocks): Don't call it.
7046 (reorder_blocks_1): Put all subblocks under the origin block.
7048 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
7050 PR rtl-optimization/27907
7051 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
7054 2006-07-25 Roger Sayle <roger@eyesopen.com>
7057 * convert.c (convert_to_integer): When transforming (T)foo(x) into
7058 bar(x) check that bar's result type can represent all the values of T.
7060 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
7062 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
7064 2006-07-25 Nick Clifton <nickc@redhat.com>
7066 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
7067 size_lookup[] array.
7068 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
7069 (ggc_pch_count_object): Likewise.
7070 (ggc_pch_alloc_object): Likewise.
7071 (ggc_pch_write_object): Likewise.
7072 (init_ggc): Do not attempt to initialize entries in the
7073 size_lookup[] array for objects whose size is greater than than
7074 the length of the array.
7076 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
7078 * dbxout.c (output_used_types_helper): Push queued types
7080 (output_types_sort): New.
7081 (output_used_types): Collect used types on a VEC and sort them
7084 2006-07-24 Richard Guenther <rguenther@suse.de>
7087 * cgraph.c (cgraph_remove_node): Do not check if dumps
7089 * cgraphunit.c (cgraph_optimize): Likewise.
7091 2006-07-24 Jan Hubicka <jh@suse.cz>
7093 PR rtl-optimization/28071
7094 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
7095 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
7096 splitting before first stmt.
7098 2006-07-24 Jan Hubicka <jh@suse.cz>
7100 PR rtl-optimization/28071
7101 * ipa-inline.c (update_caller_keys): Remove edges that
7102 are no longer inline candidates.
7104 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
7107 * dbxout.c (output_used_types_helper, output_used_types): New.
7108 (dbxout_symbol): Call output_used_types.
7110 2006-07-23 Jan Hubicka <jh@suse.cz>
7114 * cgraph.c (cgraph_varpool_nodes): Export.
7115 (decide_is_variable_needed): Ignored "used" attribute in
7116 unit-at-a-time mode.
7117 * cgraph.h (cgraph_varpool_nodes): Declare.
7118 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
7119 unit-at-a-time mode.
7121 2006-07-23 Roger Sayle <roger@eyesopen.com>
7124 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
7125 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
7126 the __gthrw form of thr_keycreate.
7127 (__gthread_key_delete): Silence the unused argument warning.
7129 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
7132 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
7133 Cache the last found '\0' marker to avoid quadratic behavior.
7135 2006-07-23 Jan Hubicka <jh@suse.cz>
7137 * i386.md (subsi_3_zext): Fix output template.
7139 2006-07-21 Mike Stump <mrs@apple.com>
7141 * doc/invoke.texi (C++ Dialect Options): Note that
7142 -fvisibility-inlines-hidden doesn't affect explicitly
7143 instantiationed inline methods.
7145 2006-07-20 Roger Sayle <roger@eyesopen.com>
7147 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
7148 if the target assembler is GNU binutils' gas.
7149 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
7150 whether to pass GNU gas or native as command line options.
7152 2006-07-20 Jason Merrill <jason@redhat.com>
7154 * tree.c (remove_attribute): New fn.
7155 * tree.h: Declare it.
7157 2006-07-20 Paul Brook <paul@codesourcery.com>
7160 * cse.c (cse_insn): Add destination addresses to hash table. Check if
7161 they are invalidated by this instruction.
7163 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
7166 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
7168 2006-07-20 Eric Christopher <echristo@apple.com>
7171 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
7173 2006-07-19 Eric Christopher <echristo@apple.com>
7175 * config/t-slibgcc-darwin (stmp-lipo): Remove.
7176 Rewrite dependencies for libgcc_s.1.dylib.
7178 2006-07-19 Jakub Jelinek <jakub@redhat.com>
7180 * except.c (duplicate_eh_regions_1): Clear next_peer.
7182 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
7184 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
7185 -mlongcall does not guarantee all calls will be long.
7186 * doc/extend.texi (long_call/short_call): Document that longcall
7187 does not guarantee a long call will be used.
7188 (longcall/shortcall): Likewise.
7190 2006-07-18 Roger Sayle <roger@eyesopen.com>
7193 * expmed.c (expand_shift): Additionally check that the shift_cost
7194 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
7195 before implementing a LSHIFT_EXPR as a sequence of additions.
7196 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
7197 middle-end that DImode shifts need to be synthesized by expand.
7199 2006-07-18 Diego Novillo <dnovillo@redhat.com>
7202 * tree-ssa-operands.c (access_can_touch_variable): Update
7204 Return true if ALIAS is .GLOBAL_VAR.
7206 2006-07-18 David Daney <ddaney@avtrex.com>
7208 * gcc.c (display_help): Fix typo in help text.
7210 2006-07-18 Olivier Hainque <hainque@adacore.com>
7212 * tree.h (categorize_ctor_elements): Adjust prototype and add
7213 descriptive comment, both in accordance with the interface change
7215 * varasm.c (constructor_static_from_elts_p): New function.
7216 Whether a constructor node is a valid static constant initializer
7217 if all its elements are.
7218 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
7219 * output.h: Declare it.
7220 * expr.c (categorize_ctor_elements_1): Return whether the constructor
7221 is a valid constant initializer instead of computing the number of
7222 non-constant elements. Use constructor_static_from_elts_p for this
7223 purpose. Replace the head comment with an indication that this is a
7224 helper for categorize_ctor_elements.
7225 (categorize_ctor_elements): Same interface change as for the _1
7226 helper. Former head comment from this helper moved here, adjusted to
7227 account for the interface changes.
7228 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
7229 (all_zeros_p): Likewise.
7230 * gimplify.c (gimplify_init_constructor): Decide whether we can make
7231 static versions of the constructor from the categorize_ctor_elements
7232 return value instead of the formerly computed number of non-constant
7235 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
7237 * configure: Regenerate.
7238 * Makefile.in (build_libsubdir): New configure substitution
7239 (build_libobjdir): New variable.
7240 (BUILD_LIBIBERTY): Use it.
7242 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7245 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
7247 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
7250 * c-common.c (handle_weakref_attribute): Ignore attribute in
7251 the same conditions the alias attribute is ignored.
7253 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
7255 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
7256 (dbxout_begin_prologue): Increment scope_labelno.
7258 2006-07-17 Richard Henderson <rth@redhat.com>
7261 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
7264 2006-07-17 Roger Sayle <roger@eyesopen.com>
7265 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7267 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
7268 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
7269 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
7270 functions such as sbrk, write, etc.. Add function prototypes.
7271 Convert function declarations from K&R to ISO C. Cast pointers
7272 to "long" and "unsigned long" instead of "int" and "unsigned int".
7273 Convert tokens following #endif into comments.
7275 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
7277 * invoke.texi: Remove mention of f77; Reformat table for
7278 inline parameter options correctly; mention that -malign-double
7279 is default on x86-64 targets.
7281 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
7283 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
7284 (convert_affine_scev, chrec_convert_aggressive): Use
7285 avoid_arithmetics_in_type_p. Do not check for the subtypes
7288 2006-07-17 Richard Sandiford <richard@codesourcery.com>
7291 * optabs.c (expand_doubleword_shift): Wrap the call to
7292 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
7294 2006-07-17 Richard Sandiford <richard@codesourcery.com>
7297 * optabs.c (expand_binop): Pass next_methods rather than methods
7298 to expand_doubleword_shift.
7300 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
7303 * tree.h (dump_addr): Declare.
7304 * print-tree.c (dump_addr): New function.
7305 (print_node_brief, print_node): Use it.
7306 * print-rtl.c (print_rtx): Likewise.
7307 * common.opt (-fdump-noaddr): New option.
7308 * doc/invoke.texi (-fdump-noaddr): Document.
7309 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
7310 (ve_info_hash): Likewise.
7312 2006-07-13 Andrew Haley <aph@redhat.com>
7314 PR tree-optimization/19505
7315 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
7316 edge leaving this block, make sure that the destination of this
7317 block has only one predecessor.
7319 2006-07-17 Richard Guenther <rguenther@suse.de>
7321 PR tree-optimization/28238
7322 * tree-inline.c (copy_bb): Check if we produced valid
7323 gimple copying and substituting a stmt. If not, gimplify
7326 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
7328 * optabs.c (maybe_encapsulate_block): New function extracted from...
7329 (emit_libcall_block): ...here. Invoke it on the block of insns to
7330 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
7331 (emit_no_conflict_block): Likewise.
7333 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
7335 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
7337 2006-07-15 Roger Sayle <roger@eyesopen.com>
7339 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
7340 a new NOP_EXPR case of the switch statement.
7342 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
7345 * stor-layout.c (place_field): Take the bit field with
7346 an excessive size into account in the ms-bitfiled case.
7349 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
7350 the previous bit field.
7352 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
7355 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
7357 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
7359 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
7360 signal frames correctly even when the signal was installed with
7363 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
7365 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
7366 (dbxout_function_end): Use local label LFBB. Remove hook
7368 (dbxout_source_line): Use local label LFBB.
7369 (dbxout_block): Likewise.
7370 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
7371 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
7372 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
7373 and DBX_OUTPUT_NFUN.
7375 2006-07-13 Janis Johnson <janis187@us.ibm.com>
7377 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
7379 2006-07-13 Jan Hubicka <jh@suse.cz>
7381 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
7383 * output.h (align_variable): Declare.
7384 * varasm.c (align_variable): Export.
7385 * value-prof.c (tree_value_profile_transformations): Recompute iterator
7386 when basic block changed.
7388 2006-07-13 Nick Clifton <nickc@redhat.com>
7390 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
7391 walking the LOG_LINKS chain.
7393 2006-07-12 Geoffrey Keating <geoffk@apple.com>
7395 * doc/invoke.texi (C++ Dialect Options): Explain difference
7396 between -fvisibility-inlines-hidden and setting hidden
7397 visibility explicitly.
7399 2006-07-12 Eric Christopher <echristo@apple.com>
7401 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
7402 (stmp-lipo): Depend on libgcc.a.
7404 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
7406 * tree.c: Fix a comment typo.
7408 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
7410 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
7412 (umulhisi3_r): Likewise.
7414 2006-07-12 Paolo Carlini <pcarlini@suse.de>
7417 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
7418 x < 19, vs wchar_t support.
7420 2006-07-12 Nick Clifton <nickc@redhat.com>
7422 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
7423 instead of -isa=sh4.
7425 2006-07-12 Mike Stump <mrs@apple.com>
7427 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
7429 2006-07-10 Eric Christopher <echristo@apple.com>
7431 * config/t-slibgcc-darwin: Rewrite.
7433 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
7436 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
7439 2006-07-08 Matthias Klose <doko@debian.org>
7441 * doc/sourcebuild.texi: Fix typo.
7443 2006-07-07 Mike Stump <mrs@apple.com>
7445 * toplev.c (process_options): Don't give -ffunction-sections may
7446 affect debugging warning for Mach-O.
7448 2006-07-07 James E Wilson <wilson@specifix.com>
7450 * config/mips/mips.md (cpu): Add sb1a.
7451 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
7452 addition to sb1. Adjust comments to clarify SB-1A differences from
7454 (ir_sb1a_load): New. Modify bypasses to use it.
7455 (ir_sb1a_simple_alu): Likewise.
7456 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
7457 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
7458 (mips_issue_rate): Add PROCESSOR_SB1A.
7459 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
7460 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
7461 (TARGET_SB1): Add PROCESSOR_SB1A check.
7462 (TUNE_SB1): Likewise.
7464 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
7465 * config/mips/mips.c (mips_store_data_bypass_p): New.
7466 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
7467 store_data_bypass_p.
7469 2006-07-08 Paul Brook <paul@codesourcery.com>
7472 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
7474 2006-07-07 Richard Guenther <rguenther@suse.de>
7477 * tree.h (build_one_cst): Declare.
7478 * tree.c (build_one_cst): New function.
7479 * tree-ssa-math-opts.c (get_constant_one): Remove.
7480 (insert_reciprocals): Use build_one_cst.
7481 * fold-const.c (fold_plusminus_mult): Likewise.
7483 2006-07-07 Roger Sayle <roger@eyesopen.com>
7485 * pointer-set.c (pointer_set_destroy): Correct whitespace.
7486 * cfgloopanal.c (dump_graph): Likewise.
7487 * dojump.c (discard_pending_stack_adjust): Likewise.
7488 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
7490 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
7491 * function.c (finalize_block_changes): Likewise.
7492 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
7493 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
7494 * rtl.c (dump_rtx_statistics): Likewise.
7495 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
7497 * varray.c (dump_varray_statistics): Likewise.
7498 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
7499 decode_decimal64, encode_decimal128, decode_decimal128,
7500 decimal_real_to_decimal): Likewise.
7502 2006-07-07 Richard Guenther <rguenther@suse.de>
7504 PR tree-optimization/28187
7505 * tree-vrp.c (vrp_operand_equal_p): New function.
7506 (vrp_bitmap_equal_p): Likewise.
7507 (update_value_range): Use them to compare old and new
7510 2006-07-06 Roger Sayle <roger@eyesopen.com>
7512 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
7513 a default case to switch statement to silence compiler warnings.
7515 2006-07-06 Roger Sayle <roger@eyesopen.com>
7518 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
7519 the configured assembler supports the x87's ffreep mnemonic.
7520 * configure: Regenerate.
7521 * config.in: Regenerate.
7523 * config/i386/i386.c (output_387_ffreep): New function.
7524 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
7525 (output_387_reg_move): Likewise.
7527 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
7529 Port to hosts whose 'sort' and 'tail' implementations
7530 treat operands with leading '+' as file names, as POSIX
7531 has required since 2001. However, make sure the code still
7532 works on pre-POSIX hosts.
7533 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
7534 which says you should use "tail -c +N" rather than "tail +Nc".
7535 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
7537 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
7539 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
7542 2006-07-06 David Edelsohn <edelsohn@gnu.org>
7545 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
7546 PRE_{INC,DEC} of TFmode.
7548 2006-07-06 David Edelsohn <edelsohn@gnu.org>
7549 Alan Modra <amodra@bigpond.net.au>
7552 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
7555 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7558 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
7559 Remove duplicate gtu.
7561 2006-07-05 Jason Merrill <jason@redhat.com>
7565 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
7566 * c-common.c (handle_packed_attribute): So don't copy it here.
7567 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
7569 2006-07-05 Mike Stump <mrs@apple.com>
7571 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
7573 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
7576 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
7578 2006-07-05 Richard Guenther <rguenther@suse.de>
7581 * config/i386/i386.md (*negdf2_1): Restrict pattern to
7582 TARGET_SSE2 targets if using SSE math.
7583 (*absdf2_1): Likewise.
7585 2006-07-05 Richard Guenther <rguenther@suse.de>
7587 PR tree-optimization/28162
7588 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
7589 make sure to convert the operands to the correct type.
7591 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
7593 PR tree-optimization/28218
7595 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
7596 to calculate and free the dominator information.
7598 2006-07-04 Peter O'Gorman <peter@pogma.com>
7600 * mklibgcc.in: chmod 644 before ranlib during install.
7602 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
7603 J"orn Rennecke <joern.rennecke@st.com>
7605 * configure.ac (.eh_frame data check): Use diff -b.
7607 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
7610 * Makefile.in (BUILD_RTL): Add build/vec.o.
7611 (build/gencondmd.o): Filter out -fkeep-inline-functions.
7612 (build/genextract): Delete.
7613 (build/genautomata): Likewise.
7615 2006-07-04 Alan Modra <amodra@bigpond.net.au>
7618 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
7619 128-bit IBM long doubles for ABI_V4.
7621 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
7623 * tree.c (range_in_array_bounds_p): New predicate.
7624 * tree.h (range_in_array_bounds_p): Declare it.
7625 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
7626 return a less conservative answer.
7627 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
7628 and flag 'is_group'.
7629 (IS_ELEMENT_FOR_GROUP): New macro.
7630 (FOR_EACH_ACTUAL_CHILD): Likewise.
7631 (next_child_for_group): New helper function.
7632 (can_completely_scalarize_p): Take into account groups.
7633 (sra_hash_tree): Handle RANGE_EXPR.
7634 (sra_elt_eq): Likewise.
7635 (lookup_element): Be prepared for handling groups.
7636 (is_valid_const_index): Delete.
7637 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
7638 instead of is_valid_const_index.
7639 <ARRAY_RANGE_REF>: New case.
7640 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
7641 is_valid_const_index.
7642 <ARRAY_RANGE_REF>: Do not unconditionally punt.
7643 (scan_dump): Dump info for groups too.
7644 (decide_instantiation_1): Likewise.
7645 (decide_block_copy): Assert that the element is not a group.
7646 Propagate decision to groups.
7647 (generate_one_element_ref): Handle RANGE_EXPR.
7648 (mark_no_warning): Iterate over actual childs.
7649 (generate_copy_inout): Likewise.
7650 (generate_element_copy): Likewise.
7651 (generate_element_zero): Likewise.
7652 (generate_element_init_1): Likewise.
7653 (dump_sra_elt_name): Handle RANGE_EXPR.
7655 2006-07-03 Roger Sayle <roger@eyesopen.com>
7657 PR tree-optimization/26251
7658 * tree-ssa-threadupdate.c (redirection_block_p): New function.
7659 (thread_block): When optimizing for size refuse to thread jumps
7660 that would require duplication of blocks other than redirection
7663 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
7665 * configure.ac: Fix thinko in previous check-in.
7666 * configure: Regenerate.
7668 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
7671 * configure.ac (for lang...): Simplify nesting of conditionals.
7672 Test subdir_requires for non-enabled languages. Move processing
7673 of lang_opt_files and lang_tree_fiels below that test.
7674 * configure: Regenerate.
7675 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
7677 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
7679 * doc/gcov.texi (Invoking Gcov): Add a missing word.
7681 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
7683 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
7686 2006-06-29 Jason Merrill <jason@redhat.com>
7693 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
7694 * c-common.c (c_determine_visibility): Handle it here.
7695 * c-decl.c (finish_decl): Call c_determine_visibility for
7697 * flags.h (enum symbol_visibility): Sort from most to least visibility.
7699 * varasm.c (default_assemble_visibility): Likewise.
7700 * c-common.c (handle_visibility_attribute): Complain about trying
7701 to give visibility to an already defined class, or trying to change
7702 declared visibility. Always attach the attribute.
7707 * attribs.c (decl_attributes): Ignore type-in-place attributes
7708 once the type has been defined.
7710 2006-06-29 Roger Sayle <roger@eyesopen.com>
7713 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
7714 to indicate the cpplib has issued an error message for us.
7716 2006-06-29 Asher Langton <langton2@llnl.gov>
7719 * config/i386/i386.c (ix86_output_function_epilogue): Don't
7720 insert a label at the end of an function under Mach-O.
7722 2006-06-29 Eric Christopher <echristo@apple.com>
7723 Evan Cheng <evan.cheng@apple.com>
7725 * predicates.md (vector_all_ones_operand): New.
7726 (nonimmediate_or_sse_const_operand): Ditto.
7727 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
7728 * config/i386/i386.c (standard_sse_constant_opcode): Define.
7729 (standard_sse_mode_p): Ditto.
7730 (standard_sse_constant_p): Add case for -1 vector.
7731 (ix86_expand_vector_move): Try to use.
7732 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
7733 Call standard_sse_constant_opcode.
7734 (*movv4sf_internal): Ditto.
7735 (*movv2df_internal): Ditto.
7737 2006-06-29 Roger Sayle <roger@eyesopen.com>
7739 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
7740 of XEXP to extract the operands of a MATCH_CODE rtx.
7742 2006-06-28 Andrew Pinski <pinskia@gmail.com>
7744 * tree.c (tree_size): Do not waste tail padding in
7745 struct tree_string and make the size be the same as
7746 build_string will generate.
7748 2006-06-28 Jason Merrill <jason@redhat.com>
7751 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
7752 may_aliases already in the tag's annotations to the bitmap.
7754 2006-06-28 Roger Sayle <roger@eyesopen.com>
7756 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
7758 2006-06-28 Roger Sayle <roger@eyesopen.com>
7760 * genpreds.c (generate_switch_p): New function.
7761 (add_mode_tests): Push the new mode test down inside an AND expr
7762 if this allows the switch-suitable MATCH_CODE to be near the root.
7763 (write_match_code_switch): New function to write a MATCH_CODE as
7765 (write_predicate_stmts): New function to write a predicate RTX
7766 expression as a sequence of statements.
7767 (write_one_predicate_function): Use write_predicate_stmts.
7768 (write_tm_constrs_h): Likewise.
7770 2006-06-26 Fred Fish <fnf@specifix.com>
7772 * config/mips/t-sb1: New file.
7773 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
7776 2006-06-26 DJ Delorie <dj@redhat.com>
7778 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
7780 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
7781 Jayant Sonar <jayants@kpitcummins.com>
7782 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
7784 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
7785 (subsi3, subsi3_1, subsi3_2): New.
7786 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
7787 * config/m32c/mov.md (SI mov peephole): New.
7788 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
7789 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
7791 2006-06-26 Olivier Hainque <hainque@adacore.com>
7793 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
7794 a CALL_EXPR target function declaration.
7796 2006-06-26 Richard Guenther <rguenther@suse.de>
7798 * tree.c (build_string): Do not waste tail padding in
7801 2006-06-26 Richard Guenther <rguenther@suse.de>
7803 * ggc-page.c (init_ggc): Add missing element to size_lookup
7807 2006-06-23 Richard Guenther <rguenther@suse.de>
7809 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
7810 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
7811 alignment requests instead. Add verification code.
7812 Add struct tree_function_decl and struct tree_binfo size to
7813 extra_order_size_table. Add missing element to size_lookup
7816 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
7819 * fold-const.c (const_binop): Be prepared for self returning zero.
7820 Simplify code handling complex values.
7822 2006-06-24 Olivier Hainque <hainque@adacore.com>
7824 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
7825 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
7828 2006-06-24 Olivier Hainque <hainque@adacore.com>
7830 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
7831 ARRAY_REF, so have the callback called for the low bound expression.
7833 2006-06-23 Janis Johnson <janis187@us.ibm.com>
7835 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
7836 * c-typeck.c (c_common_type): Disallow operations on decimal float
7837 types and other float types.
7838 * convert.c (convert_to_real): Don't ignore conversions involving
7839 decimal float types.
7841 2006-06-23 Olivier Hainque <hainque@adacore.com>
7843 * tree.c (max_int_size_in_bytes): New function, inspired from
7844 code in function.c:assign_temp.
7845 * tree.h (max_int_size_in_bytes): Declare.
7846 * function.c (assign_temp): Use it.
7847 * gimplify.c (create_tmp_var): Relax the assertions on the type
7848 properties, not mandating constant size any more.
7849 (force_constant_size): New static function.
7850 (gimple_add_tmp_var): Use it, forcing variable size to a
7851 constant upper bound if it is not constant on entry.
7853 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
7856 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
7857 for initialization and setting of one_only flag to ...
7858 (i386_pe_encode_section_info): ...here.
7859 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
7860 Recheck that the symbol has not been defined.
7862 2006-06-23 Richard Guenther <rguenther@suse.de>
7864 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
7865 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
7866 alignment requests instead. Add verification code.
7867 Add struct tree_function_decl and struct tree_binfo size to
7868 extra_order_size_table. Add missing element to size_lookup
7871 2006-06-22 Roger Sayle <roger@eyesopen.com>
7872 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7875 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
7876 call to lang_hooks.types.type_for_mode returned NULL_TREE.
7878 2006-06-23 Ben Elliston <bje@au.ibm.com>
7880 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
7881 negate dn -- manipulate it directly.
7883 2006-06-22 Roger Sayle <roger@eyesopen.com>
7884 Steven Bosscher <stevenb.gcc@gmail.com>
7887 * reload1.c (gen_reload): Call mark_jump_label on the new insns
7888 generated by gen_move_insn to add REG_LABEL notes if necessary.
7890 2006-06-22 Bob Wilson <bob.wilson@acm.org>
7892 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
7893 (leaf_entry): Remove use of MIN_ESA.
7895 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
7897 PR rtl-optimization/28121
7898 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
7901 2006-06-21 DJ Delorie <dj@redhat.com>
7903 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
7905 (mulhisi3_r): Likewise.
7907 2006-06-21 Richard Sandiford <richard@codesourcery.com>
7910 * coverage.c (coverage_counter_alloc): Leave the index type
7912 (coverage_counter_alloc): Use null arguments for operands 2 and 3
7915 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
7917 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
7918 section from the "Options for Code Generation Conventions".
7920 2006-06-21 Richard Henderson <rth@redhat.com>
7924 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
7926 (global_symbolic_operand): Allow weak symbols, even if local_p.
7928 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
7930 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
7931 (find_interesting_uses_address): Punt if above function returns true.
7933 2006-06-21 Richard Guenther <rguenther@suse.de>
7935 * configure: Regenerated.
7937 2006-06-21 Joseph Myers <joseph@codesourcery.com>
7939 * config/mips/mips.c (function_arg): Where one part of a
7940 complex argument is in registers and the other part in the stack,
7941 return a REG not a PARALLEL.
7943 2006-06-21 Mark Mitchell <mark@codesourcery.com>
7945 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
7946 when cross-compiling. Do not substitute libstdcxx_incdir.
7947 * configure: Regenerated.
7949 2006-06-21 Jakub Jelinek <jakub@redhat.com>
7951 * varasm.c (mergeable_string_section): Check for embedded NULs and
7952 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
7953 rather than TREE_STRING_LENGTH bytes.
7955 2006-06-21 Richard Guenther <rguenther@suse.de>
7957 * ggc-page.c (extra_order_size_table): Add var_ann_d,
7958 tree_ssa_name, bitmap_element and phi_node with 4 arguments
7961 2006-06-21 Richrad Guenther <rguenther@suse.de>
7963 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
7964 Limit iteration over the dominators.
7966 2006-06-20 Roger Sayle <roger@eyesopen.com>
7968 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
7969 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
7971 2006-06-20 Richard Guenther <rguenther@suse.de>
7972 Michael Matz <matz@suse.de>
7974 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
7976 * alloc-pool.c (free_alloc_pool_if_empty): New function.
7977 * et-forest.h (et_free_pools): Prototype new function.
7978 * et-forest.c (et_free_tree_force): Free parent occurrence.
7979 (et_free_pools): New function.
7980 * dominance.c (free_dominance_info): Free et-forest alloc
7983 2006-06-20 Roger Sayle <roger@eyesopen.com>
7985 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
7986 integer modes, attempt to directly construct an integer constant.
7988 * fold-const.c (native_encode_vector): Determine the size of each
7989 element from the vector type instead of the first vector element.
7991 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
7992 if all of its elements/components are constant.
7993 (build_constructor_from_list): Likewise.
7995 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
7997 PR tree-optimization/27331
7998 * tree-data-ref.c (free_data_ref): New function.
7999 (create_data_ref): Fail if the data reference has unknown access
8001 (free_data_refs): Use free_data_ref.
8003 2006-06-19 Andrew Pinski <pinskia@gmail.com>
8006 * tree-inline.c (setup_one_parameter): Strip useless
8007 type conversion before adding it to the IR.
8008 (declare_return_variable): Likewise.
8010 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
8013 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
8015 2006-06-19 Mike Stump <mrs@apple.com>
8017 * tree.c (variably_modified_type_p): VM arguments don't make the
8020 2006-06-19 Richard Guenther <rguenther@suse.de>
8022 * tree-ssa-pre.c (try_combine_conversion): Strip useless
8023 type conversions after folding.
8025 2006-06-19 Richard Guenther <rguenther@suse.de>
8027 * ggc-page.c (extra_order_size_tab): Add entries with
8028 size of struct function and basic_block.
8029 (size_lookup): Extend to cover sizes up to 511.
8030 (ggc_alloc_stat): Adjust user.
8031 (ggc_pch_count_object): Likewise.
8032 (ggc_pch_alloc_object): Likewise.
8033 (ggc_pch_write_object): Likewise.
8035 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
8037 * tree-ssa-loop-niter.c (implies_ge_p): New function.
8038 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
8041 2006-06-19 Denis Chertykov <denisc@overta.ru>
8043 * config/avr/libgcc.S : Correct my wrong previous commit.
8045 2006-06-19 Roger Sayle <roger@eyesopen.com>
8048 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
8049 have stripped a SUBREG from the shift count, so we may need to
8050 convert_to_mode back to the type's mode before calling make_tree.
8051 Use new_amount instead of amount to avoid expanding a tree twice.
8053 2006-06-19 Richard Guenther <rguenther@suse.de>
8056 * fold-const.c (operand_equal_p): Check if the argument types
8057 have the same precision before stripping NOPs.
8059 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
8061 Fix PR tree-optimization/27341
8062 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
8064 * tree-complex.c (pass_lower_complex): Update SMT usage.
8066 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
8068 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
8069 Add a new alternative to the constraint strings. Add move of
8070 operand 1 to 3 to the splitter definition.
8071 ("doloop_si_long"): Second contraint alternative removed.
8073 2006-06-08 Anatoly Sokolov <aesok@post.ru>
8075 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
8076 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
8078 (AVR_HAVE_MOVW) Define.
8079 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
8080 (ASM_SPEC): Add avr25.
8081 (LINK_SPEC): Add avr25.
8082 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
8083 (base_arch_s): Add new member 'have_movw_lpmx'.
8084 (avr_arch_types): Init 'have_movw_lpmx'.
8085 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
8086 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
8087 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
8088 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
8089 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
8091 (avr_file_start): Do not output '.arh' derective.
8092 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
8093 (__do_copy_data): Use __AVR_HAVE_LPMX__.
8094 * config/avr/avr.md (mcu_enhanced): Delete.
8095 (mcu_have_movw): Define.
8096 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
8097 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
8098 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
8099 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
8100 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
8101 attiny861 and at86rf401 devices.
8103 2006-06-18 Jie Zhang <jie.zhang@analog.com>
8105 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
8108 2006-06-17 Karl Berry <karl@gnu.org>
8110 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
8111 doc/gccint.texi, doc/install.texi (@dircategory): Use
8112 "Software development" instead of "Programming", following
8113 the Free Software Directory.
8115 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
8117 * config/i386/i386.c (legitimate_tls_address)
8118 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
8119 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
8120 (*tls_dynamic_gnu2_combine_64): Likewise.
8122 2006-06-16 Richard Guenther <rguenther@suse.de>
8125 * fold-const.c (negate_expr_p): Do not introduce undefined
8126 overflow in negating INTEGER_CSTs.
8127 (fold_negate_expr): Rename from negate_expr. Revert last
8128 change for folding BIT_NOT_EXPR. Change semantics to
8129 return NULL_TREE for non-simplified negations. Do not
8130 strip type conversions and unify type handling.
8131 (negate_expr): New function, wrap around fold_negate_expr
8132 but ensure building a tree always. Strip type conversions
8133 here, fold to result type.
8134 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
8136 2006-06-16 Roger Sayle <roger@eyesopen.com>
8139 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
8140 that (would) return their results in stack registers.
8142 2006-06-16 Michael Matz <matz@suse.de>
8143 Richard Guenther <rguenther@suse.de>
8145 * fold-const.c (fold_truthop): Only return new tree node if
8146 we canonicalized something.
8148 2006-06-16 Richard Guenther <rguenther@suse.de>
8150 * function.h (enum function_frequency): Move declaration
8151 out of struct function.
8152 (struct function): Move bool fields and the enum to the bitfield
8153 section. Reorder elements to avoid padding. Remove unused
8154 fields left over from the RTL inliner removal.
8155 * function.c (free_after_compilation): Do not zero removed fields.
8156 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
8157 (ipa-type-escape.o): Likewise.
8159 2006-06-16 Richard Guenther <rguenther@suse.de>
8161 * cgraph.h (struct cgraph_local_info): Turn bool elements
8163 (struct cgraph_node): Likewise.
8164 (struct cgraph_varpool_node): Likewise.
8166 2006-06-15 Richard Guenther <rguenther@suse.de>
8168 * fold-const.c (fold_truth_not_expr): Rename from
8169 invert_truthvalue. Give it fold_* semantics to avoid
8171 (invert_truthvalue): New function. Wrapper around
8172 fold_truth_not_expr.
8173 (optimize_minmax_comparison): Avoid creating garbage.
8174 (fold_unary): Use fold_truth_not_expr for folding
8176 (fold_ternary): Replace uses of invert_truthvalue with
8177 fold_truth_not_expr where applicable.
8178 * tree.h (fold_truth_not_expr): Prototype.
8180 2006-06-16 Richard Guenther <rguenther@suse.de>
8182 PR tree-optimization/27781
8183 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
8184 * ipa-pure-const.c (target.h): Include.
8185 (analyze_function): Do not analyze functions that do not
8188 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
8191 * tree-dfa.c (referenced_vars_dup_list): Remove.
8192 (find_referenced_vars): Remove assert.
8193 (referenced_var_check_and_insert): Replace dup list with assert.
8194 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
8195 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
8197 2006-06-15 Richard Guenther <rguenther@suse.de>
8199 * tree-ssa-structalias.c (alias_get_name): Avoid creating
8200 extra unused identifiers if not dumping.
8201 (create_variable_info_for): Likewise.
8203 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
8205 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
8206 (derive_constant_upper_bound): Derive more precise upper bound in
8207 common cases. Return type changed to double_int.
8208 (record_estimate): Reflect the changed return type of
8209 derive_constant_upper_bound.
8210 * double-int.c (double_int_zext, double_int_sext): Fix.
8212 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
8214 * configure.ac (CFLAGS): Get them from the toplevel or from the
8215 configure invocation.
8216 * configure: Regenerate.
8217 * Makefile.in (CFLAGS): Substitute value provided by configure.
8219 2006-06-14 Mark Mitchell <mark@codesourcery.com>
8222 * c-common.h (c_finish_omp_atomic): Adjust declaration.
8223 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
8224 rather than calling add_stmt on it.
8225 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
8227 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
8230 * reload1.c (reload): Remove registers returned by update_eliminables
8231 from used_spill_regs.
8233 2006-06-13 DJ Delorie <dj@redhat.com>
8235 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
8237 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
8239 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
8240 html__strip_dir, html__mkdir_p. Enhance install-html target.
8241 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
8242 * configure: Regenerate.
8244 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
8246 * fold-const.c (fold_cond_expr_with_comparison): Check for
8247 Objective-C++ as language in deciding COND_EXPR transformation.
8249 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
8252 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
8253 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
8254 * config/sh/lib1funcs.h (SL, SL1): Define.
8255 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
8256 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
8257 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
8258 (OBJS_Os_4_200): New variable.
8259 ($(T)libgcc-Os-4-200.a): Use it.
8260 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
8261 when dividing 1 and/or by 0.
8263 2006-06-13 Roger Sayle <roger@eyesopen.com>
8265 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
8266 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
8267 * configure: Regenerate.
8269 2006-06-13 Jie Zhang <jie.zhang@analog.com>
8271 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
8272 for real instruction.
8274 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8277 * haifa-sched.c (check_cfg): Handle special case.
8279 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
8282 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
8283 Add debug_info parameter. Chain the vars to the BLOCK instead
8284 of the BIND_EXPR if debug info are requested for them.
8285 (pop_gimplify_context): Adjust for above change.
8286 (gimple_add_tmp_var): Likewise.
8287 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
8289 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
8290 (convert_local_reference): Likewise.
8291 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
8292 (finalize_nesting_tree_1): Request that debug info be emitted
8293 for debug_var_chain.
8295 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8297 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
8298 for PR target/27863.
8300 2006-06-13 Richard Guenther <rguenther@suse.de>
8303 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
8305 2006-06-13 Richard Guenther <rguenther@suse.de>
8307 PR tree-optimization/27830
8308 * tree-inline.c (copy_body_r): For copying the operand
8309 of an ADDR_EXPR make sure to fold &* afterwards.
8311 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
8313 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
8314 lvalues in the fb_none case with side-effects.
8316 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
8318 * tree-flow.h: Remove the prototype for
8319 compute_phi_arg_on_exit.
8320 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
8321 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
8324 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
8326 * builtins.c (expand_builtin_return_addr): Only use
8327 frame_pointer_rtx when count == 0 and we are expanding
8328 __builtin_return_address.
8330 2006-06-12 Fred Fish <fnf@specifix.com>
8332 * config/mips/mips.c (mips_file_start): Create special section
8333 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
8335 2006-06-11 Eric Christopher <echristo@apple.com>
8338 * stor-layout.c (place_field): Remove check for
8339 remaining_in_alignment when aligning at the end of a run.
8341 2006-06-11 Eric Christopher <echristo@apple.com>
8344 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
8347 2006-06-11 Roger Sayle <roger@eyesopen.com>
8350 Revert incorrect fix for PR target/27158
8351 2006-05-08 Roger Sayle <roger@eyesopen.com>
8352 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
8353 of a reg_equiv_constant if the result is a legitimate constant.
8355 2006-06-11 Roger Sayle <roger@eyesopen.com>
8358 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
8359 extract a CONST_VECTOR element and interpret it as an integer.
8360 (vspltis_constant): Use const_vector_elt_as_int instead of the
8361 macro CONST_VECTOR_ELT in order to handle FP vector modes.
8362 * config/rs6000/predicates.md (easy_vector_const): Consider
8363 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
8365 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
8368 * stor-layout.c (update_alignment_for_field): Don't add extra
8369 alignment for packed non-bitfield fields in ms_bitfield_layout_p
8372 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
8374 * config/mips/t-rtems: Add EL/EB multilib variants.
8376 2006-06-09 Mike Stump <mrs@apple.com>
8378 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
8380 2006-06-09 David Daney <ddaney@avtrex.com>
8382 * doc/install.texi: Add binutils version recommendation for mips-*-*.
8384 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
8386 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
8388 2006-06-09 Richard Guenther <rguenther@suse.de>
8390 PR tree-optimization/26998
8391 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
8392 of signed types, only TYPE_MIN_VALUE is special, but for both,
8393 minimum and maximum value. Likewise VR_ANTI_RANGE is special
8394 in this case, as is -fwrapv.
8396 2006-06-08 Mike Stump <mrs@apple.com>
8399 * config/darwin.c (darwin_asm_output_anchor): Disable
8400 -fsection-anchors on darwin for now.
8401 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
8402 * rs6000/rs6000.c (optimization_options): Likewise.
8404 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8407 * config/i386/i386.c (classify_argument): Skip fields with invalid
8410 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
8412 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
8413 (cse_insn): Likewise for the stack_pointer_rtx.
8415 2006-06-08 Roger Sayle <roger@eyesopen.com>
8417 * tree-ssa-dom.c (record_conditions): Only record "unordered"
8418 conditions from floating point comparisons.
8420 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
8423 * expmed.c (struct alg_hash_entry): Fix type of field T
8424 to match synth_mult argument.
8425 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
8427 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8430 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
8433 2006-06-08 Richard Guenther <rguenther@suse.de>
8436 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
8437 only, if overflow is defined and not trapping.
8438 (negate_expr): Likewise.
8440 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
8442 PR tree-optimization/27872
8443 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
8444 flag on the new exit edge of the unrolled loop.
8446 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
8448 PR rtl-optimization/26449
8449 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
8451 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
8454 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
8455 referenced_variables with matching DECL_UID's.
8456 (find_referenced_vars): Make sure duplicate list is empty to start.
8457 (referenced_var_p): Remove.
8458 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
8459 Check if var is in the list, and add if needed. Update the duplicate
8460 list if a different var is in the list with the same DECL_UID.
8461 (add_referenced_var): Call routine to check and insert.
8462 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
8463 * tree-flow.h (referenced_vars_dup_list): External declaration.
8465 2006-06-07 Fred Fish <fnf@specifix.com>
8467 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
8470 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
8473 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
8474 the imaginary and real parts of a clobbered register.
8475 Emit insn to set the imaginary part.
8477 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
8479 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
8480 in lieu of unwind-dw2-fde.c.
8482 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
8484 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
8486 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
8489 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
8490 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
8491 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
8492 V4SImode temporaries and operations instead.
8494 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
8496 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
8499 2006-06-06 Mike Stump <mrs@apple.com>
8501 * Makefile.in: Rename to htmldir to build_htmldir to avoid
8502 installing during build.
8504 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8506 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
8508 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
8509 * config/ia64/ia64.c (params.h): New header.
8510 (ia64_optimization_options): New function to adjust parameters.
8511 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
8512 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
8513 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
8515 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
8517 * stor-layout.c (debug_rli): Fix a typo in a debug message.
8519 2006-06-05 Steve Ellcey <sje@cup.hp.com>
8522 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
8524 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
8525 Victor Kaplansky <victork@il.ibm.com>
8527 PR tree-optimization/26360
8528 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
8531 2006-06-04 Roger Sayle <roger@eyesopen.com>
8532 Andrew Pinski <pinskia@physics.uc.edu>
8535 * c-common.c (c_common_truthvalue_conversion): Explicitly check
8536 for LABEL_DECL before calling DECL_WEAK.
8539 * c-typeck.c (build_binary_op): Likewise, explicitly check for
8540 LABEL_DECL and PARM_DECL.
8542 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
8546 * c-decl.c (grokdeclarator): Disallow variably modified types at
8547 file scope. Avoid marking shared array type of constant size as
8550 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8553 * c-common.c (fold_offsetof_1): Handle static members.
8555 2006-06-04 Eric Christopher <echristo@apple.com>
8557 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
8558 (debug_rli): Output value for remaining_in_alignment.
8559 (update_alignment_for_field): Unconditionalize
8560 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
8561 extra alignment code.
8562 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
8563 ms_bitfield_layout_p code. Rewrite handling of structure fields.
8564 * tree.h (record_layout_info_s): Remove prev_packed.
8565 * doc/extend.texi (ms_struct): Add documentation of format.
8567 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
8569 * tree.h: Declare folding_initializer.
8570 * builtins.c (fold_builtin_constant_p): Give definite answer
8571 if folding inside an initializer.
8572 * fold-const.c: Define folding_initializer.
8573 (START_FOLD_INIT): Save and then set folding_initializer.
8574 (END_FOLD_INIT): Restore folding_initializer.
8576 2006-06-04 Richard Guenther <rguenther@suse.de>
8578 PR tree-optimization/27039
8579 * fold-const.c (fold_comparison): Handle pointer comparison
8580 again for all comparison codes. Compare offsets in signed
8582 (fold_binary): Move code from here.
8584 2006-06-03 Roger Sayle <roger@eyesopen.com>
8587 * config/i386/i386.c (construct_container): Split static issued_error
8588 flag into issued_sse_arg_error, issued_sse_ret_error and
8589 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
8590 requires the use of x87 registers and the user explicitly
8591 specified the -mno-80387 command line option.
8593 2006-06-02 Geoffrey Keating <geoffk@apple.com>
8595 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
8596 HAVE_DECL_SIGALTSTACK.
8598 (segv_handler): Use MC_FLD.
8599 * configure.ac: Check for a sigaltstack declaration.
8600 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
8601 * configure: Regenerate.
8602 * config.in: Regenerate.
8604 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
8607 * Makefile.in (stmp-fixinc): Fix typo.
8609 2006-06-02 Roger Sayle <roger@eyesopen.com>
8611 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
8612 are type correct. Clean-up.
8613 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
8614 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
8616 2006-06-01 DJ Delorie <dj@redhat.com>
8618 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
8619 shift, as we've disabled the "switch" insn that needs it.
8621 2006-06-01 Per Bothner <bothner@bothner.com>
8623 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
8624 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
8625 * c-ppoutput.c (cb_define): Don't increment line 0.
8627 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
8629 * doc/invoke.texi: Add cpu_type power6.
8630 * config.gcc: Add cpu_type power6.
8631 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
8632 to power5+ with Altivec.
8633 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
8634 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
8636 2006-05-30 Anatoly Sokolov <aesok@post.ru>
8638 * config/avr/avr.h (SET_ASM_OP): Define.
8640 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
8642 * config/bfin/bfin.c: Fix comment typos.
8644 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
8647 * doc/install.texi: Document --enable-bootstrap and
8648 --disable-bootstrap.
8650 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
8652 * doc/install.texi: Document that InfoZIP can replace jar.
8654 2006-05-31 Roger Sayle <roger@eyesopen.com>
8656 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
8657 isn't available, directly generate the simpler x87 patterns without
8658 the (use (const_int 0)).
8659 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
8660 implementation isn't available.
8661 (*negdf2_1): Likewise.
8662 (*negxf2_1): XF mode negation is always done using the x87.
8663 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
8665 2006-05-31 Roger Sayle <roger@eyesopen.com>
8667 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
8668 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
8670 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
8672 2006-05-31 Jie Zhang <jie.zhang@analog.com>
8674 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
8675 * config/bfin/bfin.c (basic-block.h): Include.
8676 (struct machine_function): New.
8677 (bfin_init_machine_status): New.
8678 (override_options): Initialize init_machine_status.
8679 (bfin_hardware_loop): New.
8680 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
8681 (DEF_VEC_P (loop_info)): New.
8682 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
8683 (struct loop_info): New.
8684 (loop_info): New typedef.
8685 (struct loop_work): New.
8686 (loop_work): New typedef.
8687 (DEF_VEC_O (loop_work)): New.
8688 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
8689 (bfin_dump_loops): New.
8690 (bfin_bb_in_loop): New.
8691 (bfin_scan_loop): New.
8692 (bfin_optimize_loop): New.
8693 (bfin_reorg_loops): New.
8694 (bfin_reorg): Use bfin_reorg_loops.
8695 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
8697 (I_REGNO_P): Simplify.
8698 (DP_REGNO_P, DPREG_P): New macros.
8699 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
8700 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
8701 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
8702 Add LT_REGS, LC_REGS, LB_REGS.
8703 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
8705 (REGNO_REG_CLASS): Deal with loop registers.
8706 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
8708 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
8709 New constants for loop registers.
8710 (UNSPEC_LSETUP_END): New.
8711 (seq_insns): New define_attr. Set it for appropriate insns.
8712 (movsi_insn): Add alternatives for move from/to
8713 loop count registers.
8714 (doloop_end): New define_expand.
8715 (loop_end): New define_insn.
8716 (define_split for bad doloop_end): New.
8717 (lsetup_with_autoinit): New define_insn.
8718 (lsetup_without_autoinit): New define_insn.
8719 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
8720 * config/bfin/predicates.md (lc_register_operand): New.
8721 (lt_register_operand): New.
8722 (lb_register_operand): New.
8723 (nondp_register_operand): New.
8724 (nondp_reg_or_memory_operand): New.
8725 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
8727 2006-05-31 Jie Zhang <jie.zhang@analog.com>
8729 * config/bfin/bfin.c (bfin_delegitimize_address): New.
8730 (TARGET_DELEGITIMIZE_ADDRESS): Define.
8732 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
8734 * Makefile.in (CATALOGS): Add po/ prefix.
8735 * configure: Regenerated.
8737 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
8740 * arm.c (arm_print_operand case 'S'): Validate that the operand is
8741 a shift operand before calling shift_op. Avoid redundant call of
8744 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
8745 DJ Delorie <dj@redhat.com>
8747 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
8748 we're inserting is a singlt-bit constant.
8750 2006-05-30 Roger Sayle <roger@eyesopen.com>
8752 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
8753 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
8755 2006-05-30 Roger Sayle <roger@eyesopen.com>
8757 PR tree-optimization/23452
8758 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
8759 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
8760 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
8761 complex values and with -ffast-math for FP complex values.
8763 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
8765 * c-common.h: Remove the prototype for yyparse.
8766 * rtl.h: Remove the prototype for init_loop.
8768 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
8770 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
8773 2006-05-30 Roger Sayle <roger@eyesopen.com>
8775 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
8777 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
8778 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
8780 2006-05-30 Dirk Mueller <dmueller@suse.de>
8783 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
8784 for CONSTANT_CLASS_P expresisons.
8786 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8789 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
8791 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
8793 PR tree-optimization/27779
8794 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
8795 initial_condition instead of CHREC_LEFT.
8797 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
8799 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
8800 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
8801 Make prototypes ISO C90.
8803 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
8804 Leehod Baruch <leehod.baruch@weizmann.ac.il>
8806 * see.c (see_analyze_one_def): Correct check.
8807 (see_get_extension_data): Check if extension is parallel.
8808 (see_get_extension_reg): Likewise.
8810 2006-05-30 Uros Bizjak <uros@kss-loka.si>
8813 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
8814 into register for (code == GTU).
8816 2006-05-29 Roger Sayle <roger@eyesopen.com>
8818 PR tree-optimization/24964
8819 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
8820 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
8821 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
8822 abs(x)*abs(x) as x*x for scalar floating point modes.
8824 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
8827 * lambda-code.c (perfect_nestify): Don't copy statements
8828 in the inner loop: move them to the inner loop header.
8830 2006-05-29 Diego Novillo <dnovillo@redhat.com>
8833 * c-tree.texi: Document OpenMP directives and clauses.
8835 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
8837 * varasm.c (globalize_decl): Fix indentation.
8839 2006-05-29 Diego Novillo <dnovillo@redhat.com>
8842 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
8843 pass_fre, pass_store_ccp, pass_copy_prop,
8844 pass_store_copy_prop, pass_merge_phi, pass_nrv,
8845 pass_return_slot, pass_object_size, pass_lim,
8846 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
8847 pass_loop_prefetch and pass_stdarg.
8849 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
8851 * config/bfin/bfin.opt (mfdpic): New option.
8852 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
8853 (EXTRA_MULTILIB_PARTS): Likewise.
8854 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
8855 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
8857 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
8858 (CRT_CALL_STATIC_FUNCTION): New.
8859 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
8861 (CRT_CALL_STATIC_FUNCTION): New.
8862 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
8864 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
8865 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
8866 (initialize_trampoline): Changed to handle FD-PIC code generation.
8867 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
8868 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
8869 (override_options): Disallow -mid-shared-library -mfdpic combination.
8870 Can't do unaligned ops if FD-PIC.
8871 Turn off flag_pic if trying to generate non-id-shared-library
8872 non-fdpic code, since it's not supported.
8873 (bfin_assemble_integer): New function.
8874 (TARGET_ASM_INTEGER): Define.
8875 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
8877 * config/bfin/crtn.s: Restore them.
8878 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
8880 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
8881 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
8882 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
8883 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
8884 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
8886 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
8887 FDPIC_REGS and FDPIC_FPTR_REGS.
8888 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
8889 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
8890 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
8891 (load_funcdescsi): New pattern.
8892 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
8893 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
8894 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
8896 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
8898 * gcse.c, rtlanal.c: Remove obsolete comments associated with
8901 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
8903 * tree-flow.h: Remove the prototype for add_type_alias.
8904 * tree-ssa-alias.c (add_type_alias): Remove.
8906 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
8908 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
8909 config/fr30/fr30.md, config/i386/i386-interix.h,
8910 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
8911 config/sh/superh64.h, config/v850/v850.c, df-core.c,
8912 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
8913 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
8914 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
8915 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
8916 Follow spelling conventions.
8917 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
8918 Follow spelling conventions.
8920 2006-05-27 Richard Guenther <rguenther@suse.de>
8923 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
8924 to produce a constant of value 1 of generic type.
8926 2006-05-27 Dirk Mueller <dmueller@suse.de>
8928 * cgraphunit.c (decide_is_function_needed): Fix wrong
8931 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
8933 PR rtl-optimization/27661
8934 * reload.c (find_reloads): When reloading a VOIDmode constant
8935 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
8936 use Pmode as mode of the reload register.
8938 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
8940 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
8941 is enabled at -O and above.
8943 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
8946 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
8949 2006-05-25 Mark Mitchell <mark@codesourcery.com>
8952 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
8953 for anonymous variables explicitly declared by front ends.
8955 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
8957 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
8958 (struct alias_info): Add new field ref_all_symbol_mem_tag.
8959 * tree-ssa-alias.c (compute_may_aliases): If the program contains
8960 ref-all pointers, run a finalization pass for them.
8961 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
8962 (finalize_ref_all_pointers): New function.
8963 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
8964 regular pointer type to a ref-all pointer type.
8965 (get_tmt_for): Return the special memory tag for ref-all pointers.
8967 2006-05-25 Richard Guenther <rguenther@suse.de>
8970 * fold-const.c (fold_binary): Do not look at the stripped
8971 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
8973 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
8975 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
8976 for LT and GT if the computed range is effectively empty.
8978 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8981 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
8982 mips_quad_format formats instead of ieee_single_format,
8983 ieee_double_format and ieee_quad_format formats, respectively.
8985 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
8987 PR tree-optimization/27639
8988 PR tree-optimization/26719
8989 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
8990 call to scev_probably_wraps_p.
8991 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
8992 used_in_pointer_arithmetic_p, convert_step): Removed.
8993 (nowrap_type_p): New function.
8994 (scev_probably_wraps_p): Rewritten.
8995 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
8996 chrec_convert if chrec_convert_aggressive might have been used.
8997 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
8998 scev_direction): New functions.
8999 (chrec_convert): Changed to a wrapper over chrec_convert_1.
9000 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
9001 instead of convert_step.
9002 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
9003 (convert_step): Declaration removed.
9004 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
9006 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
9008 * df-core.c: Added to header comments.
9009 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
9010 df_ur_bb_info, df_urec_bb_info): Added comments.
9011 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
9012 urec, ri problems): Fixed header comments.
9013 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
9014 code from df_rd_transfer_function.
9016 2006-05-23 Richard Sandiford <richard@codesourcery.com>
9018 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
9019 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
9020 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
9022 2006-05-23 Joseph Myers <joseph@codesourcery.com>
9024 * expr.c (undefined_operand_subword_p): New.
9025 (emit_move_multi_word): Do not generate move from undefined bits
9026 of a paradoxical subreg.
9028 2006-05-23 Richard Sandiford <richard@codesourcery.com>
9030 PR rtl-optimization/27736
9031 * combine.c (replaced_rhs_value): New variable.
9032 (combine_instructions): Set it.
9033 (distribute_notes): When distributing a note in replaced_rhs_insn,
9034 check whether the value was used in replaced_rhs_value.
9036 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
9039 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
9040 add_referenced_var instead of add_referenced_tmp_var.
9041 * tree-complex.c (create_one_component_var): Use add_referenced_var.
9042 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
9044 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
9045 tree_optimize_tail_calls_1): Use add_referenced_var.
9046 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
9047 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
9048 Use add_referenced_var.
9049 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
9050 * gimplify.c (force_gimple_operand): Use add_referenced_var.
9051 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
9052 Use add_referenced_var.
9053 * tree-dfa.c (struct walk_state): Remove.
9054 (find_referenced_vars): Remove walk state and vars_found hash table.
9055 (make_rename_temp): Use add_referenced_var.
9056 (find_vars_r): Pass less parameters to add_referenced_var.
9057 (referenced_var_p): New. Is var in referenced_var hash table.
9058 (referenced_var_insert): Assert var isn't already in hash table.
9059 (add_referenced_var): Don't need walk_state parameter. Add var if it
9060 isn't already in the hash table.
9061 (add_referenced_tmp_var): Remove.
9062 (find_new_referenced_vars_1): Use add_referenced_var.
9063 * tree-ssa-pre.c (create_expression_by_pieces,
9064 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
9065 Use add_referenced_var.
9066 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
9067 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
9068 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
9070 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
9071 vect_create_data_ref_ptr, vect_create_destination_var,
9072 vect_init_vector, vect_build_loop_niters,
9073 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
9074 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
9075 Use add_referenced_var.
9076 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
9077 * tree-flow.h (add_referenced_tmp_var): Remove prototype
9078 (add_referenced_var): Add prototype.
9079 * tree-ssa-structalias.c (get_constraint_for,
9080 intra_create_variable_infos): Use add_referenced_var.
9082 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
9084 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
9085 big-endian paradoxical subregs.
9086 * var-tracking.c (struct micro_operation_def): Document that,
9087 for modify micro operations, insn is the subsequent instruction.
9088 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
9089 (var_reg_set, var_mem_set): ... new functions.
9090 (add_stores): Record subsequent insn.
9091 (compute_bb_dataflow): Use new functions for MO_USE.
9092 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
9093 notes after the insn, and modify notes before the insn known
9094 to be the subsequent one.
9095 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
9097 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
9100 * config/i386/i386.c (ix86_expand_builtin): Use
9101 gen_sse3_monitor64 for TARGET_64BIT.
9103 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
9105 PR rtl-optimization/26375
9106 PR rtl-optimization/26855
9107 * df-problems (df_ru_bb_local_compute_process_def): Removed update
9109 (df_ru_bb_local_compute): Reversed statements and removed bogus
9110 comment explaining why they should be in wrong order.
9111 (df_ru_dump, df_rd_dump): Enhanced debug info.
9112 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
9114 * ddg.c (add_deps_for_def): Converted use of reaching defs to
9115 reaching uses and fixed space problem.
9117 2006-05-23 Jan Hubicka <jh@suse.cz>
9119 * cgraphunit.c (decide_is_function_needed): Also nested functions
9120 and functions declared inline can be optimized out at -O0.
9122 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
9124 * doc/install.texi (Configuration): Remove reference to CrossGCC
9128 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
9131 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
9132 ix86_compare_emitted is non-NULL.
9134 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9137 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
9140 2006-05-22 Richard Sandiford <richard@codesourcery.com>
9142 PR rtl-optimization/25514
9143 * combine.c (replaced_rhs_insn): New variable.
9144 (combine_instructions): Set replaced_rhs_insn when trying to replace
9145 a SET_SRC with a REG_EQUAL note.
9146 (distribute_notes): Use replaced_rhs_insn when determining the live
9147 range of a REG_DEAD register.
9149 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
9150 Anatoly Sokolov <aesok@post.ru>
9152 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
9153 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
9154 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
9155 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
9156 atmega3290, atmega649, atmega6490, atmega406, atmega640,
9157 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
9158 at90usb647, at90usb1286 and at90usb1287 devices.
9159 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
9160 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
9162 2006-05-22 Richard Sandiford <richard@codesourcery.com>
9164 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
9166 2006-05-22 Richard Guenther <rguenther@suse.de>
9169 2006-01-31 Richard Guenther <rguenther@suse.de>
9170 Paolo Bonzini <bonzini@gnu.org>
9172 * doc/install.texi (--disable-libgcc-math): Document.
9174 2006-05-22 Richard Guenther <rguenther@suse.de>
9177 2006-01-31 Richard Guenther <rguenther@suse.de>
9179 * doc/invoke.texi (-msselibm): Document.
9180 * target.h (expand_library_builtin): New target hook.
9181 * builtins.c (expand_builtin): Use expand_library_builtin.
9182 (default_expand_library_builtin): New function.
9183 * gcc.c (LINK_GCC_MATH_SPEC): Define.
9184 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
9185 (link_gcc_math_spec): Declare.
9186 (static_specs): Add link_gcc_math_spec.
9187 * expr.h (default_expand_library_builtin): Declare.
9188 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9189 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
9190 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
9191 * config/i386/i386.opt (msselibm): New target option.
9192 * config/i386/i386.c (ix86_builtin_function_variants): New array.
9193 (ix86_init_sse_abi_builtins): New function.
9194 (ix86_expand_library_builtin): Likewise.
9195 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9196 (override_options): Handle error conditions wrt -msselibm.
9197 (ix86_builtins): Add function codes for SSE2 ABI builtins.
9198 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
9199 * doc/extend.texi (__builtin_sse2_*): Document new target specific
9202 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9205 * c-common.c (self_promoting_args_p): Skip erroneous args.
9208 * c-decl.c (finish_struct): Skip erroneous fields.
9210 2006-05-22 Nick Clifton <nickc@redhat.com>
9212 * config/cris/cris.opt (march): Remove VarExists attribute.
9213 (max-stackframe=): Likewise.
9215 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
9217 * doc/rtl.texi: Fix a typo.
9218 * see.c: Fix comment typos.
9220 * tree-ssa-structalias.h (alias_info): Remove num_references.
9222 2006-05-21 Mike Stump <mrs@apple.com>
9224 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
9226 (darwin_pragma_options): Use BAD instead.
9227 (darwin_pragma_unused): Likewise.
9228 (darwin_pragma_ms_struct): Likewise.
9230 2006-05-21 David Edelsohn <edelsohn@gnu.org>
9232 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
9234 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
9236 PR rtl-optimization/27671
9237 * simplify-rtx.c (simplify_relational_operation_1): Fix
9238 simplifications of (eq/ne (xor x y) y) and
9239 (eq/ne (xor x y) x).
9241 PR tree-optimization/26622.
9242 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
9245 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
9247 * tree-cfg.c: Prune whitespace.
9248 (debug_tree_cfg): Point to correct header containing the
9251 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
9254 * cgraphunit.c (verify_cgraph_node): Typo in error message.
9256 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
9259 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
9260 or sorry count is non zero.
9262 2006-05-20 Andreas Schwab <schwab@suse.de>
9264 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
9266 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
9267 Kenneth Zadeck <zadeck@naturalbridge.com>
9269 PR rtl-optimization/26855
9271 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
9273 (df_scan_alloc): Added code to properly handle multiword hard
9274 registers and add all_blocks parameter.
9275 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
9276 code to properly handle multiword hard registers.
9277 (df_rescan_blocks): Added code to remove deleted blocks from
9279 (df_ref_create_structure, df_ref_record): Added code to properly
9281 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
9282 and set DF_REF_PARTIAL.
9283 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
9284 (df_uses_record): Added DF_REF_PARTIAL for subreg.
9285 (df_scan_add_problem): Added flags parameter.
9286 (df_ref_create_structure): Changed switching structure.
9287 (df_bb_refs_record): Fixed case where duplicate artificial refs
9288 were created. Changed location of flags.
9289 (df_record_entry_block_defs): Added code to make stack pointer
9290 live in entry block. Refined cases where frame pointer is needed.
9291 Changed location of flags.
9292 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
9293 (df_set_state): Removed function.
9294 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
9295 df_insn_create_insn_record, df_insn_refs_delete,
9296 df_ref_create_structure): Formatting changes.
9297 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
9298 df_delete_basic_block): New function.
9299 (df_init): Changed location of flags.
9300 (df_add_problem): Added flags parameter and the way flags are
9302 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
9303 debug_df_chain): Improved debugging output.
9304 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
9305 (df_refs_chain_dump): Removed df parameter.
9306 (df_iterative_dataflow): Added consistency check.
9307 (df_prune_to_subcfg): Made public.
9308 (df_analyze_problem): Added blocks_to_init parameter and made
9310 (df_ref_record, df_bb_refs_record, df_mark_reg,
9311 df_record_exit_block_uses): Whitespace changes.
9312 (df_dump): Whitespace changes.
9313 * df.h: Some reordering to remove forward references.
9314 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
9315 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
9316 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
9317 (dataflow.flags): New field.
9318 (df.flag): Deleted field.
9319 (df_alloc_function): Added additional bitmap parameter.
9320 (df_dependent_problem_function): New type.
9321 (df_problem.changeable_flags): New field.
9322 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
9323 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
9324 (df_mw_hardreg): New struct.
9325 (DF_INSN_UID_MWS): New macro.
9326 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
9328 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
9329 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
9330 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
9331 (df_set_state): Removed function.
9332 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
9333 * df-problems.c (df_chain_dump): Removed df parameter.
9334 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
9335 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
9337 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
9338 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
9339 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
9340 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
9341 DF_REF_MUST_CLOBBER cases.
9342 (df_ru_bb_local_compute_process_def,
9343 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
9344 df_lr_bb_local_compute, df_ur_bb_local_compute,
9345 df_chain_create_bb): Made subreg aware.
9346 (df_ru_bb_local_compute, df_rd_bb_local_compute,
9347 df_lr_bb_local_compute, df_lr_bb_local_compute,
9348 df_chain_create_bb): Cleanup to use proper macros.
9349 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
9350 code to fixup bitvectors.
9351 (df_ri_alloc): Cleared lifetime.
9352 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
9353 df_create_unused_note): New function.
9354 (df_ri_bb_compute, df_ri_compute): Added code to create/update
9355 REG_DEAD and REG_UNUSED notes as well as register information.
9356 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
9357 df_chains_dump): Fixed crash if problem was never run.
9358 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
9359 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
9360 df_ri_add_problem): Processes flags in uniform manner.
9361 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
9362 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
9363 df_rd_dump, df_urec_free_bb_info): Formatting changes.
9364 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
9365 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
9366 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
9367 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
9368 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
9369 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
9370 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
9371 * see.c (see_initialize_data): Ditto.
9372 * final.c (rest_of_clean_state) Added regstack_completed.
9373 * rtl.h (regstack_completed): Ditto.
9374 * reg-stack.c (regstack_completed): Ditto.
9376 2006-05-19 Mike Stump <mrs@apple.com>
9378 * c-tree.h (default_conversion): Remove.
9379 * c-common.h (default_conversion): Add.
9381 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
9383 * tree-vrp.c (valid_value_p): New function.
9384 (adjust_range_with_scev): Fail if the value of bound is not
9387 2006-05-19 Richard Sandiford <richard@codesourcery.com>
9389 * config/mips/linux-unwind.h: Include <asm/unistd.h>
9390 (mips_fallback_frame_state): Use syscall numbers to determine
9391 the appropriate li instruction for the current ABI. Only use
9392 __NR_sigreturn for o32.
9394 2006-05-19 Nicolas Setton <setton@adacore.com>
9396 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
9397 * langhooks.c (lhd_dwarf_name): New function.
9398 * langhooks-def.h (lhd_dwarf_name): Declare.
9399 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
9400 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
9402 2006-05-19 Richard Sandiford <richard@codesourcery.com>
9404 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
9406 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
9407 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
9408 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
9409 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
9410 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
9411 determine the size of Wtype, etc.
9412 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
9413 (swfloatfuncs): New variable.
9414 (dwfloatfuncs): Likewise.
9415 (lib2funcs): Remove floating-point conversion functions from
9416 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
9417 the set of conversion routines needed. Allow entries to specify
9418 an object name, filename and word size. Update users accordingly.
9419 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
9420 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
9424 2006-02-08 Roger Sayle <roger@eyesopen.com>
9427 * config/fixtfdi.c: New libgcc source file.
9428 * config/fixunstfdi.c: New source file.
9429 * config/floatditf.c: New source file.
9430 * config/floatunditf.c: New souce file.
9431 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
9432 files above instead of config/mips/_tilib.c.
9433 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
9435 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9437 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
9438 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
9440 2006-05-18 Mike Stump <mrs@apple.com>
9442 Fix up vla, vm and [*] sematics.
9448 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
9449 (c_vla_unspec_p): Add.
9450 (c_vla_type_p): Add.
9451 * c-decl.c (struct c_scope): Add had_vla_unspec.
9452 (build_array_declarator): Add support for [*].
9453 (grokdeclarator): Likewise.
9454 (grokparms): Likewise.
9455 (get_parm_info): Likewise.
9456 * c-objc-common.c (c_vla_unspec_p): Likewise.
9457 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
9458 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
9459 typeof when argument is a variably modified type not inside sizeof or alignof.
9460 (c_parser_direct_declarator_inner): Propagate errors.
9461 (c_parser_sizeof_expression): Add support for [*].
9462 (c_parser_parms_declarator): Initialize had_vla_unspec.
9463 (c_parser_parms_list_declarator): Likewise.
9464 * c-typeck.c (c_vla_type_p): Add.
9465 (composite_type): Add support for vla compositing.
9466 (comptypes_internal): Add support for vla compatibility.
9467 (c_expr_sizeof_expr): Evaluate vla arguments.
9468 * tree.c (variably_modified_type_p): Update comment for [*].
9470 2006-05-18 Michael Matz <matz@suse.de>
9473 * config.host: Make assignments to host_xmake_file cumulative.
9474 * config.host (*-darwin*): Test $host, not $target.
9476 2006-05-12 Stuart Hastings <stuart@apple.com>
9478 * config/i386/i386.opt (-mstackrealign): New flag.
9479 * config/i386/i386.c (force_align_arg_pointer): New attribute.
9480 (ix86_handle_cconv_attribute): Emit error when
9481 force_align_arg_pointer attribute collides with too many regparms.
9482 (ix86_function_regparm): Limit regparms when used with
9483 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
9484 Support stack-realigning prologue in non-main functions. Emit
9485 warning for nested functions under -mstackrealign, emit error for
9486 nested functions with force_align_arg_pointer attribute.
9487 * doc/extend.texi (force_align_arg_pointer): Document it.
9488 * doc/invoke.texi (-mstackrealign): Document it.
9490 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
9492 PR rtl-optimization/27477
9493 * combine.c (try_combine): Don't split a parallel consisting
9494 of two sets into two individual sets if both sets reference
9497 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
9499 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
9500 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
9502 * doc/options.texi (VarExists): Updated.
9504 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9506 * unwind-dw2.c: Add declarations for uw_update_context and
9508 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
9509 detected, advance frame state and context once to skip over stub.
9511 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
9515 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
9516 Call rewrite_into_loop_closed_ssa only when something changed.
9517 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
9518 * lambda-code.c (can_convert_to_perfect_nest): Declared.
9519 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
9520 Test for perfect_nest_p here. Fix formating.
9521 (replace_uses_equiv_to_x_with_y): Fix formating.
9522 (stmt_uses_op): Removed.
9523 (can_convert_to_perfect_nest): Removed loopivs parameter.
9524 Complete the test by checking the scalar dependences.
9525 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
9528 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
9531 From Dan Kegel <dank@kegel.com>:
9532 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
9534 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
9536 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
9537 if the element type is variably modified without recursing.
9539 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
9542 * tree-loop-linear.c (try_interchange_loops): Test for
9543 no data dependences.
9545 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
9547 PR tree-optimization/27548
9548 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
9549 range of ssa names that appear on abnormal edges.
9550 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
9551 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
9553 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
9556 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
9558 2006-05-17 Jakub Jelinek <jakub@redhat.com>
9561 * tree.h (OMP_PARALLEL_COMBINED): Define.
9562 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
9563 (new_omp_context): Add is_combined_parallel argument.
9564 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
9565 new_omp_context caller.
9566 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
9567 Adjust gimplify_scan_omp_clauses callers.
9568 (omp_is_private): Issue errors if iteration variable is firstprivate
9569 or reduction in the current context.
9570 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
9571 on combined parallel workshare constructs.
9573 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
9575 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
9576 (gcc-options.o): New rule.
9578 * optc-gen.awk: Protect variables for gcc-options.o with
9579 #ifdef GCC_DRIVER/#endif.
9581 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
9583 Fix PR tree-optimization/27373
9584 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
9585 (forward_propagate_addr_expr): Update call.
9587 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
9589 * doc/options.texi: Move the Negative option.
9591 2006-05-16 Richard Guenther <rguenther@suse.de>
9593 PR tree-optimization/22303
9594 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
9596 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
9597 ccp_fold did not simplify the statement.
9599 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
9602 * Makefile.in (GCC_OBJS): New.
9603 (OBJS-common): Add opts-common.o.
9604 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
9605 (cpp$(exeext)): Likewise.
9606 (gcc.o): Also depend on opts.h.
9607 (opts-common.o): New.
9609 * common.opt (gcoff): Add Negative(gdwarf-2).
9610 (gdwarf-2): Add Negative(gstabs).
9611 (gstabs): Add Negative(gstabs+).
9612 (gstabs+): Add Negative(gvms).
9613 (gvms): Add Negative(gxcoff).
9614 (gxcoff): Add Negative(gxcoff+).
9615 (gxcoff+): Add Negative(gcoff).
9616 * config/i386/i386.opt (m32): Add Negative(m64).
9617 (m64): Add Negative(m32).
9619 * doc/options.texi: Document the Negative option.
9621 * gcc.c: Include "opts.h".
9622 (main): Call prune_options after expandargv.
9624 * optc-gen.awk: Generate common declarations for all flag
9625 variables in options.c. Output the neg_index field.
9627 * opts.c (find_opt): Moved to ...
9628 * opts-common.c: Here. New file.
9630 * opts.h (cl_option): Add a neg_index field.
9632 (prune_options): Likewise.
9634 2006-05-16 Jakub Jelinek <jakub@redhat.com>
9637 * omp-low.c (expand_omp_parallel): Don't assert
9638 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
9639 instead search for it.
9642 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
9645 2006-05-16 Andreas Schwab <schwab@suse.de>
9647 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
9650 2006-05-15 Roger Sayle <roger@eyesopen.com>
9653 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
9654 integer constants other than zero are only legitimate on TARGET_64BIT.
9655 <CONST_VECTOR> Only zero vectors are legitimate.
9656 (ix86_cannot_force_const_mem): Integral and vector constants can
9657 always be put in the constant pool.
9659 2006-05-16 DJ Delorie <dj@redhat.com>
9661 * crtstuff.c (__dso_handle): Set section from
9662 TARGET_LBIGCC_SDATA_SECTION if defined.
9663 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
9664 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
9666 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
9669 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
9672 2006-05-16 Ben Elliston <bje@au.ibm.com>
9674 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
9676 2006-05-15 Per Bothner <per@bothner.com>
9678 * tree.c: (last_annotated_node): Use source_locus typedef.
9679 This permits bootstrapping with --enable-mapped-location.
9681 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
9683 PR tree-optimization/26830
9684 * tree-into-ssa.c (struct ssa_name_info): Add age field.
9685 (info_for_ssa_name, current_info_for_ssa_name_age,
9686 blocks_to_update): New variables.
9687 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
9688 (clear_ssa_name_info, initialize_flags_in_bb,
9689 mark_block_for_update): New functions.
9690 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
9691 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
9692 prepare_def_site_for): Use mark_block_for_update.
9693 (mark_def_interesting): Assert that the processed block is marked in
9694 blocks_to_update. Do not take blocks argument.
9695 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
9697 (rewrite_update_init_block, rewrite_update_stmt): Only process
9698 blocks with statements to rewrite.
9699 (delete_update_ssa): Do not clear SSA_NAME_AUX.
9700 (update_ssa): Initialize and free blocks_to_update. Do not
9701 clear flags on statements. Do not use blocks bitmap.
9702 * tree.h (SSA_NAME_AUX): Removed.
9703 (struct tree_ssa_name): Removed aux field.
9704 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
9706 2006-05-15 Richard Guenther <rguenther@suse.de>
9708 PR tree-optimization/27603
9709 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
9710 Do computations in original type.
9712 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
9714 * see.c: Code style changes such as redundant paranthesis,
9715 redundant intialization of local variables etc.
9716 (see_main): Declared now as static.
9717 * doc/invoke.texi: Update that -fsee is not enabled by
9720 2006-05-15 Jakub Jelinek <jakub@redhat.com>
9722 * omp-low.c (check_omp_nesting_restrictions): New function.
9723 (scan_omp_1): Call it.
9726 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
9727 construct, return *VAR.
9729 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
9731 PR rtl-optimization/27406
9732 * bt-load.c (migrate_btr_def): Skip the block having abnormal
9735 2006-05-14 Roger Sayle <roger@eyesopen.com>
9737 PR rtl-optimization/27538
9738 * combine.c (expand_compound_operation): Call gen_lowpart
9739 before calling simplify_shift_const.
9741 2006-05-14 Roger Sayle <roger@eyesopen.com>
9743 PR rtl-optimization/22563
9744 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
9745 a fixed width bitfield, always force the intermediates into psuedos.
9747 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
9750 * mkconfig.sh: Use operator = instead of == for test.
9752 2006-05-13 Nick Clifton <nickc@redhat.com>
9754 * dwarf2out.c (dbx_reg_number): Check return value from
9755 LEAF_REG_REMAP and only use it if it is valid.
9756 (multiple_reg_loc_descriptor): Likewise.
9758 2006-05-13 Richard Guenther <rguenther@suse.de>
9760 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
9763 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
9765 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
9766 information attached to non-INSNs such as NOTEs.
9767 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
9769 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
9771 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
9773 * config/s390/s390.md: Adjust comment describing On constraint.
9775 2006-05-11 Jan Hubicka <jh@suse.cz>
9777 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
9778 to be output at -O0.
9780 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9783 * fold-const.c (size_binop): Move sanity check for arguments to
9784 the beginning of the function.
9787 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
9790 2006-05-11 Richard Guenther <rguenther@suse.de>
9793 * fold-const.c (fold_unary): Handle intermediate conversion
9794 to a pointer type like intermediate conversion to an integer
9795 type in folding of (T1)(T2)var to var.
9796 Match the code to the comment in the final conversion for
9797 (T1)(T2)var to (T1)var regarding to type precision. Rather
9798 than disallow T1 being of pointer type, assert that both T1
9799 and var are of pointer type or not. Make sure not to fall
9800 over the frontends lazyness wrt array to pointer decay though.
9802 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
9804 * arm.c (arm_struct_value_rtx): Delete.
9805 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
9806 (arm_init_cumulative_args): Always initialize nregs to zero.
9808 2006-05-10 Richard Guenther <rguenther@suse.de>
9810 PR tree-optimization/27532
9811 * tree-object-size.c (plus_expr_object_size): Fix typo.
9813 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
9816 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
9817 ashrdi_const, ashrdi3): Use a scratch register.
9819 2006-05-10 Richard Guenther <rguenther@suse.de>
9821 PR tree-optimization/27302
9822 * fold-const.c (operand_equal_p): For two comparisons,
9823 try comparison of one comparison code swapped if that yields
9826 2006-05-10 Ben Elliston <bje@au.ibm.com>
9828 * tree-pretty-print.c (pretty_print_string): No need to handle
9829 '\0' as a special character.
9831 * tree.h: Include "hashtab.h".
9832 (iterative_hash_expr): Use hashval_t in its prototype.
9833 * Makefile.in (TREE_H): Add $(HASHTAB_H).
9835 2006-05-09 Steve Ellcey <sje@cup.hp.com>
9838 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
9839 (hppa*64*-*-hpux11*): Ditto.
9840 (hppa[12]*-*-hpux11*): Ditto.
9842 2006-05-09 David Edelsohn <edelsohn@gnu.org>
9845 * config/rs6000/aix41.h (TARGET_64BIT): Define.
9847 2006-05-09 Michael Matz <matz@suse.de>
9849 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
9850 host_extra_gcc_objs and host_xmake_file.
9851 (<*-*-linux*>): Don't overwrite host_xmake_file.
9852 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
9853 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
9854 (host_detect_local_cpu): Declare.
9855 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
9856 * config/i386/i386.c (override_options): Handle -mtune=native
9858 * config/i386/x-i386: New file.
9859 * config/i386/driver-i386.c: New file.
9860 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
9863 2006-05-09 Dirk Mueller <dmueller@suse.de>
9864 Richard Guenther <rguenther@suse.de>
9867 * fold-const.c (fold_read_from_constant_string): Relax check
9868 for matching types to matching modes.
9870 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
9872 PR rtl-optimization/27335
9873 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
9876 2006-05-08 Chao-ying Fu <fu@mips.com>
9877 Richard Sandiford <richard@codesourcery.com>
9879 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
9880 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
9881 * config/mips/mips.md (UNSPEC_SCC): New constant.
9882 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
9883 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
9884 (mips_emit_compare): Use it.
9885 (mips_expand_vcondv2sf): New function.
9887 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
9889 Fix PR tree-optimization/27093
9890 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
9891 renaming when they become not-used_alone.
9893 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9895 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
9896 relocation and relocation stubs.
9898 2006-05-08 Eric Christopher <echristo@apple.com>
9900 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
9903 2006-05-08 Jan Hubicka <jh@suse.cz>
9906 * cgraphunit.c (decide_is_function_needed): When not optimizing even
9907 unused static functions are needed.
9909 2006-05-08 Roger Sayle <roger@eyesopen.com>
9912 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
9913 of a reg_equiv_constant if the result is a legitimate constant.
9915 2006-05-08 Uros Bizjak <uros@kss-loka.si>
9918 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
9919 standard 80387 constants, raise the cost to prevent
9920 compress_float_constant() to generate load from memory.
9922 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
9924 * config/arm/constraints.md (c): Fix a typo.
9926 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
9929 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
9932 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
9934 (_mm_mwait): Likewise.
9936 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
9938 (sse3_monitor): Make it 32bit only.
9939 (sse3_monitor64): New. 64bit monitor.
9941 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9944 * config/i386/i386.c (classify_argument): Skip fields with invalid
9947 2006-05-07 Richard Guenther <rguenther@suse.de>
9949 PR tree-optimization/27409
9950 * tree-ssa-structalias.c (get_constraint_for_component_ref):
9951 Do not try to find zero-sized subvars.
9953 2006-05-07 Richard Guenther <rguenther@suse.de>
9955 PR tree-optimization/27136
9956 * tree-ssa-loop-niter.c (get_val_for): Correct function
9957 comment, assert requirements.
9958 (loop_niter_by_eval): Stop processing if the iterated
9959 value did not simplify.
9961 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
9963 * opts.c (flag_see): remove its setting at -O3.
9965 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
9967 * genpeep.c (main): Make insn-peep.c depend on flags.h.
9968 * arm/constraints.md: New file.
9969 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
9970 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
9971 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
9972 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
9973 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
9974 (EXTRA_MEMORY_CONSTRAINT): Likewise.
9975 * arm.md: Include constraints.md.
9976 (thumb_movsi_insn): Use satisfies_constraint_J.
9977 (movhi, movqi): Use satisfies_constraint_I.
9979 2006-04-29 Anatoly Sokolov <aesok@post.ru>
9981 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
9982 for atmeg a645 device.
9984 2006-05-06 Richard Guenther <rguenther@suse.de>
9986 PR tree-optimization/27151
9987 * tree-vect-transform.c (vectorizable_condition): Punt on
9988 values that have a different type than the condition.
9990 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
9993 * c-parser.c (c_parser_cast_expression): Only insert casts into
9994 hash table if pointer.
9995 * function.c (used_types_insert_helper): Rename from
9997 (used_types_insert): Call used_types_insert_helper.
9998 * function.h (used_types_insert): Accept only one argument.
10000 2006-05-05 David Edelsohn <edesohn@gnu.org>
10002 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
10003 scratch with output modifier.
10005 2006-05-04 David Edelsohn <edelsohn@gnu.org>
10008 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
10009 with output modifier.
10011 2006-05-04 Richard Sandiford <richard@codesourcery.com>
10014 * config/mips/mips.c (mips_symbolic_address_p): Return true
10015 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
10016 SYMBOL_GOTTPREL, and SYMBOL_TLS.
10018 2006-05-04 Richard Guenther <rguenther@suse.de>
10020 PR tree-optimization/14287
10021 PR tree-optimization/14844
10022 PR tree-optimization/19792
10023 PR tree-optimization/21608
10024 PR tree-optimization/27090
10025 * tree-ssa-pre.c (try_combine_conversion): New function.
10026 (compute_avail): After constructing the value-handle
10027 expression, use try_combine_conversion to combine NOP_EXPRs
10028 with previous value-handle expressions and use the result if it
10031 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
10033 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
10035 2006-05-04 Jan Hubicka <jh@suse.cz>
10037 PR middle-end/25962
10038 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
10040 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
10042 * config/bfin/predicates.md (const01_rtx): Tell generator programs
10043 that this only matches CONST_INTs. All users changed to VOIDmode
10046 * config/bfin/bfin.c: Include "optabs.h".
10047 (bfin_rtx_costs): Some costs for vector operations, to allow combine
10049 (enum bfin_builtins): Add a number of fractional and vector builtins.
10050 (bfin_init_builtins): Likewise.
10051 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
10052 (safe_vector_operand, bfin_expand_binop_builtin,
10053 bfin_expand_unop_builtin): New functions.
10054 (bfin_expand_builtin): Handle the new builtins.
10055 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
10058 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
10061 * Makefile.in (OBJS-common): Add see.o.
10062 (see.o): Add dependencies.
10063 * common.opt (fsee): New flag for the see optimization was added.
10064 * opts.c (flag_see): Initialized.
10065 * passes.c (init_optimization_passes, pass_see): New pass.
10066 * rtl.h (see_main): Declaration as extern.
10067 * timevar.def (TV_SEE): New.
10068 * tree-pass.h (pass_see): Declaration as extern.
10069 * invoke.texi (-fsee): Document.
10070 * recog.c (validate_simplify_insn): New function.
10071 * recog.h (validate_simplify_insn): Declaration as extern.
10072 * df-problems.c (df_chain_dump): Check for NULL.
10074 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
10075 Daniel Berlin <dberlin@dberlin.org>
10077 * cfgrtl.c (insert_insn_bb_end_new): New function.
10078 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
10080 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
10082 * df.h (struct web_entry): Moved from web.c.
10083 (union_defs): Declaration as extern.
10084 (unionfind_root): Likewise.
10085 (unionfind_union): Likewise.
10086 * web.c (struct web_entry): Moved to df.h.
10087 (unionfind_root): Remove static declaration.
10088 (unionfind_union): Likewise.
10089 (union_defs): Likewise and generalize to use callback function.
10090 (web_main): Update arguments for union_defs function call.
10092 2006-05-04 Richard Guenther <rguenther@suse.de>
10094 PR tree-optimization/26447
10095 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
10096 produce SSA_NAME copies before the store stmt to avoid
10097 breaking exception handling.
10099 2006-05-04 Jakub Jelinek <jakub@redhat.com>
10101 PR middle-end/27388
10102 * gimplify.c (omp_is_private): If var is shared in some outer context,
10103 return false instead of true. Stop searching on parallel context
10106 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
10109 * coverage.c: Use get_gcov_unsigned_t() instead of
10110 unsigned_type_node all over.
10112 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
10114 PR tree-optimization/27381
10115 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
10116 maintain the same immediate_use links.
10117 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
10118 node rather than segfaulting.
10120 2006-05-03 Jakub Jelinek <jakub@redhat.com>
10123 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
10124 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
10125 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
10127 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
10129 Fix PR tree-optimization/26626
10130 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
10132 * tree-ssa-operands.c (access_can_touch_variable): Allow
10133 typecasting through union pointers.
10135 2006-05-02 Jakub Jelinek <jakub@redhat.com>
10138 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
10139 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
10140 to find if var will be a global variable even in the nested context.
10141 (omp_copy_decl): Only check for global variable at the end, it might
10142 be overridden in outer contexts.
10143 (scan_sharing_clauses): For global variables don't create a field.
10144 (lower_rec_input_clauses): Do nothing for global shared variables.
10145 Emit a barrier at the end of ILIST if there were any decls in both
10146 firstprivate and lastprivate clauses.
10147 (lower_send_clauses): Do nothing for global variables except for
10150 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
10152 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
10153 of the correct signedness is returned.
10155 2006-05-02 Jeff Law <law@redhat.com>
10157 PR tree-optimization/27364
10158 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
10159 multiply expressions.
10161 2006-05-02 Tom Tromey <tromey@redhat.com>
10163 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
10165 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
10168 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
10169 -mthumb -fPIC are used.
10171 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
10172 Joshua Kinard <kumba@gentoo.org>
10175 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
10176 with 64-bit pointers.
10178 2006-05-02 Paul Brook <paul@codesourcery.com>
10180 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
10182 (create_fix_barrier): Check that a suitable barrier location is
10184 (arm_reorg): Include ftmp->address in allowable range of addresses.
10186 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
10189 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
10192 2006-05-02 Jakub Jelinek <jakub@redhat.com>
10194 PR middle-end/27337
10195 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
10196 around RESULT_DECL for result passed by reference.
10197 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
10198 * omp-low.c (use_pointer_for_field): Don't look at
10199 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
10200 (scan_omp_1): Call remap_decl on RESULT_DECLs.
10201 (lower_rec_input_clauses): Don't allocate VLA memory for the second
10202 time or var for passing by reference for
10203 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
10204 TREE_ADDRESSABLE variables when passing by reference.
10206 * omp-low.c (dump_omp_region): Fix output formatting.
10208 PR middle-end/27328
10209 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
10210 (expand_omp_parallel): Likewise.
10211 * tree-cfg.c (move_sese_region_to_fn): Likewise.
10213 PR middle-end/27325
10214 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
10215 on statement list containing also constructors and destructors.
10216 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
10218 PR middle-end/27310
10219 * except.c (duplicate_eh_regions): Fix clearing of
10220 cfun->eh->region_array entries.
10222 2006-05-01 DJ Delorie <dj@redhat.com>
10224 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
10226 (gcc_cv_objdump): Likewise.
10227 * configure: Regenerated.
10229 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
10232 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
10233 templates for case 3 and 4.
10235 2006-05-01 DJ Delorie <dj@redhat.com>
10237 * vec.c: Include bconfig.h when appropriate.
10238 * Makefile.in (build/vec.o): Adjust dependencies.
10239 * mkconfig.sh: Make sure config.h isn't used for build machine
10242 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
10244 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
10246 (mark_phi_for_rewrite): New function.
10247 (insert_phi_nodes_for, mark_use_interesting): Call
10248 mark_phi_for_rewrite.
10249 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
10250 (update_ssa): Initialize and free phis_to_rewrite.
10252 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
10254 PR rtl-optimization/27291
10255 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
10256 folded to a constant.
10258 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
10260 PR tree-optimization/27283
10261 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
10262 not whole # of iteration descriptions.
10263 (niter_for_exit): Return just # of iterations. Fail if # of iterations
10264 uses abnormal ssa name.
10265 (niter_for_single_dom_exit): Ditto.
10266 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
10267 return just the number of iterations.
10269 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
10271 PR tree-optimization/27144
10272 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
10273 (record_estimate): Only record constant upper bound.
10274 (infer_loop_bounds_from_undefined): Call
10275 compute_estimated_nb_iterations just once.
10276 (proved_non_wrapping_p): Renamed to ...
10277 (n_of_executions_at_most): ... this. Expect bound to be a constant.
10278 (convert_step_widening, scev_probably_wraps_p): Call
10279 n_of_executions_at_most instead of proved_non_wrapping_p.
10280 (substitute_in_loop_info): Do not replace values in bounds.
10281 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
10284 2006-05-01 Richard Henderson <rth@redhat.com>
10287 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
10288 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
10291 2006-05-01 Roger Sayle <roger@eyesopen.com>
10293 * c-typeck.c (parser_build_binary_op): Don't call the function
10294 unsigned_conversion_warning to spot operand/result type overflow.
10295 (build_binary_op): Instead, call convert_and_check instead of
10296 convert to report the problem when the operands are promoted.
10297 * c-common.c (unsigned_conversion_warning): Make static.
10298 * c-common.h (unsigned_conversion_warning): Delete prototype.
10300 2006-05-01 Richard Guenther <rguenther@suse.de>
10302 PR tree-optimization/26726
10303 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
10305 (find_interesting_uses_address): ... we work around here
10306 by folding INDIRECT_REFs in the substituted base.
10308 2006-05-01 Diego Novillo <dnovillo@redhat.com>
10310 * omp-low.c (dump_omp_region): Add newlines.
10312 2006-04-30 Roger Sayle <roger@eyesopen.com>
10314 * common.opt (Woverflow): New command line option.
10315 * c-common.c (constant_expression_warning): Check warn_overflow.
10316 (overflow_waring): Pass OPT_Woverflow to warning.
10317 (unsigned_conversion_warning): Likewise.
10318 (convert_and_check): Likewise.
10319 * doc/invoke.texi: Document new command line option.
10321 2006-04-30 David Edelsohn <edelsohn@gnu.org>
10323 * config/rs6000/rs6000.c (rs6000_override_options): Enable
10324 TARGET_NO_FP_IN_TOC for section anchors.
10325 (optimization_options): Enable section anchors for all
10326 non-"Objective" languages.
10328 2006-04-28 Eric Christopher <echristo@apple.com>
10330 * config/darwin-c.c (darwin_ms_struct): Move this
10331 (darwin_set_default_type_attributes): and this...
10332 * config/darwin.c: ... here.
10333 * config/darwin.h (darwin_ms_struct): Declare.
10335 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
10337 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
10339 2006-04-28 Roger Sayle <roger@eyesopen.com>
10342 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
10343 (push_array_bounds): Delete prototype. Change BOUNDS argument to
10344 an unsigned HOST_WIDE_INT.
10345 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
10347 (really_start_incremental_init): No need to call convert because
10348 bitsize_zero_node is already of type bitsizetype.
10349 (push_init_level): Extract the value of constructor_index as an
10350 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
10351 (process_init_element): Likewise.
10353 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
10355 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
10356 value before passing to make_relative_prefix.
10358 2006-04-28 Alan Modra <amodra@bigpond.net.au>
10360 PR middle-end/27260
10361 * builtins.c (expand_builtin_memset): Expand val in original mode.
10363 2006-04-27 Eric Christopher <echristo@apple.com>
10365 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
10366 with #ifndef/#endif.
10367 * config/darwin-c.c (darwin_ms_struct): New.
10368 (darwin_pragma_ms_struct): Ditto.
10369 (darwin_set_default_type_attributes): Ditto.
10370 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
10371 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
10372 Register ms_struct pragma.
10373 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
10374 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
10375 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
10376 darwin_set_default_type_attributes if TARGET_MACHO.
10378 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
10380 PR tree-optimization/26854
10381 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
10382 * doc/tree-ssa.texi: Update immuse iterator documentation.
10383 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
10384 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
10385 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
10386 first_safe_imm_use, next_safe_imm_use): Remove.
10387 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
10388 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
10389 (move_use_after_head): New. Helper function to sort immuses in a stmt.
10390 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
10391 (first_imm_use_stmt): New. Get first stmt in an immuse list.
10392 (next_imm_use_stmt): New. Get next stmt in an immuse list.
10393 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
10394 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
10395 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
10396 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
10397 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
10398 (perfect_nestify): Use new iterator.
10399 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
10401 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
10402 (next_imm_name): New field in struct immediate_use_iterator_d.
10403 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
10404 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
10405 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
10406 * tree-cfg.c (replace_uses_by): Use new iterator.
10407 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
10408 * tree-ssa-operands.c (correct_use_link): Remove.
10409 (finalize_ssa_use_ops): No longer call correct_use_link.
10411 2006-04-27 Stuart Hastings <stuart@apple.com>
10413 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
10414 * config/t-darwin (crt3.o): Use it.
10415 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
10416 'pmode', use Pmode instead of SImode for SYMBOL_REF.
10417 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
10418 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
10419 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
10422 2006-04-27 Roger Sayle <roger@eyesopen.com>
10424 * expmed.c (store_fixed_bit_field): If we're not optimizing for
10425 size, force the intermediate into a new pseudo rather instead of
10426 performing both a bitwise AND and a bitwise IOR in memory.
10428 2006-04-27 Richard Guenther <rguenther@suse.de>
10430 PR rtl-optimization/26685
10431 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
10432 this one "max-flow-memory-locations".
10434 2006-04-27 Richard Guenther <rguenther@suse.de>
10436 PR tree-optimization/25148
10437 * tree-vrp.c (compare_values): Remove code dealing with
10438 comparisons against type min/max value. Honour overflow
10439 and negative constants in code dealing with comparisons
10440 of plus and minus expressions.
10441 (value_inside_range): Use fold_binary with LE_EXPR and
10442 GE_EXPR rather than compare_values.
10444 2006-04-27 Dirk Mueller <dmueller@suse.de>
10446 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
10449 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
10451 * basic-block.h (safe_insert_insn_on_edge): Removed.
10452 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
10454 2006-04-26 David Edelsohn <edelsohn@gnu.org>
10455 Paolo Bonzini <bonzini@gnu.org>
10457 PR middle-end/27282
10458 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
10459 (simplify_and_const_int): Same.
10461 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
10463 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
10465 2006-04-26 Jakub Jelinek <jakub@redhat.com>
10468 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
10469 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
10470 cgraph_global_info_ready.
10472 PR middle-end/26913
10473 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
10476 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
10477 either decl or init is error_mark_node.
10479 PR middle-end/25989
10480 * tree-flow.h (struct omp_region): Add sched_kind.
10481 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
10482 instead of extracting omp for data.
10483 (expand_omp_for): Save extracted sched_kind.
10485 2006-04-25 Roger Sayle <roger@eyesopen.com>
10487 * expmed.c (store_bit_field): Also check whether the bitsize is
10488 valid for the machine's "insv" instruction before moving the
10489 target into a pseudo for use with the insv.
10490 * config/i386/predicates.md (const8_operand): New predicate.
10491 * config/i386/i386.md (extv, extzv, insv): Use the new
10492 const8_operand predicate where appropriate.
10494 2006-04-25 DJ Delorie <dj@redhat.com>
10496 * doc/install.texi (Specific): Clarify that this is not a list of
10497 supported hosts or targets.
10499 2006-04-25 Richard Sandiford <richard@codesourcery.com>
10501 PR rtl-optimization/26725
10502 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
10503 block's BB_DIRTY flag.
10505 2006-04-25 Geoffrey Keating <geoffk@apple.com>
10507 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
10510 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
10511 to print an integer.
10513 2006-04-25 David Edelsohn <edelsohn@gnu.org>
10515 * varasm.c (align_variable): New function.
10516 (get_block_for_decl): Apply align_variable to DECL before
10517 calculating section information.
10518 (assemble_variable): Split out alignment computation.
10520 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
10522 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
10525 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
10527 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
10528 MODE_PARTIAL_INT mode.
10529 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
10530 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
10532 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
10533 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
10535 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
10537 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
10539 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
10540 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
10541 MACFLAG_IH): Likewise.
10542 (movstricthi_1): Renamed from "*movstricthi".
10543 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
10544 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
10545 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
10546 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
10547 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
10548 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
10549 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
10550 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
10551 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
10552 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
10553 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
10554 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
10555 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
10556 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
10557 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
10559 * doc/rtl.texi (ss_ashift): Improve wording.
10561 2006-04-24 Geoffrey Keating <geoffk@apple.com>
10563 * dwarf2out.c (verify_marks_clear): New.
10564 (prune_unused_types): Call verify_marks_clear initially, not
10567 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
10569 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
10570 * doc/rtl.texi: Document them.
10571 * simplify-rtx.c (simplify_unary_operation,
10572 simplify_binary_operation_1): Don't abort when we see them.
10574 2006-04-24 Mark Mitchell <mark@codesourcery.com>
10577 2006-04-23 Mark Mitchell <mark@codesourcery.com>
10578 * configure.ac: Completely disregard languages that are not
10580 * configure: Regenerated.
10582 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
10583 Richard Guenther <rguenther@suse.de>
10585 PR tree-optimization/27236
10586 * tree-inline.c (copy_body_r): Make sure to copy
10587 TREE_THIS_VOLATILE flag.
10589 2006-04-24 Richard Guenther <rguenther@suse.de>
10591 PR middle-end/26869
10592 * tree-complex.c (update_parameter_components): Don't handle
10593 unused parameters which have no default def.
10595 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
10596 Richard Guenther <rguenther@suse.de>
10598 PR tree-optimization/27218
10599 * tree-inline.c (expand_call_inline): Strip useless type
10600 conversions for the return slot address.
10602 2006-04-24 Richard Guenther <rguenther@suse.de>
10604 * cfgloop.h (struct loops): Remove unused field array. Reorder
10606 (LOOP_PREFETCH): Remove.
10608 2006-04-24 Richard Guenther <rguenther@suse.de>
10610 PR tree-optimization/22525
10611 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
10612 variable, adjust types of generated expressions.
10614 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
10616 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
10617 (tree-vect-patterns.o): Likewise.
10618 (jump.o): Likewise.
10619 (cselib.o): Likewise.
10620 (loop-doloop.o): Likewise.
10621 (regclass.o): Likewise.
10622 (reload1.o): Likewise.
10623 (explow.o): Replace target.h with $(TARGET_H).
10624 (ipa-prop.o): Likewise.
10625 (ipa-cp.o): Likewise.
10626 (ipa-inline.o): Likewise.
10627 (reorg.o): Likewise.
10628 (reg-stack.o): Likewise.
10630 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
10632 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
10634 2006-04-23 Mark Mitchell <mark@codesourcery.com>
10636 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
10638 * configure.ac: Completely disregard languages that are not
10640 * configure: Regenerated.
10643 * c-common.h (c_build_bitfield_integer_type): Declare.
10644 * c-decl.c (c_build_bitfield_integer_type): Move to ...
10645 * c-common.c (c_build_bitfield_integer_type): ... here.
10647 2006-04-23 Roger Sayle <roger@eyesopen.com>
10650 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
10651 a SImode SUBREG of a floating point register after no_new_pseudos.
10653 2006-04-23 Roger Sayle <roger@eyesopen.com>
10655 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
10656 identify potentially eliminable registers to additionally catch
10657 VIRTUAL_INCOMING_ARGS_REGNUM.
10658 (addsi3): Update the conditions on when to use addsi_small_int.
10660 2006-04-23 Roger Sayle <roger@eyesopen.com>
10663 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
10664 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
10665 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
10667 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
10669 * fold-const.c (range_predecessor): Use operand_equal_p
10670 as the predicate for equality.
10671 (range_successor): Likewise.
10673 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
10676 * config/soft-fp/op-common.h: Fix a typo.
10678 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
10680 PR libmudflap/26864
10681 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
10682 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
10684 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
10686 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
10688 * doc/tm.texi: Fix a typo.
10690 2006-04-21 Geoffrey Keating <geoffk@apple.com>
10692 * dwarf2out.c (struct die_struct): Document that die_sib makes
10693 a circular linked list.
10694 (FOR_EACH_CHILD): New.
10695 (reverse_die_lists): Delete.
10696 (reverse_all_dies): Delete.
10697 (add_dwarf_attr): Correct documentation.
10698 (remove_child_with_prev): New.
10699 (remove_child_TAG): Update for change to die_struct, use
10700 remove_child_with_prev.
10701 (add_child_die): Update for change to die_struct.
10702 (splice_child_die): Use remove_child_with_prev and add_child_die.
10703 (print_die): Use FOR_EACH_CHILD.
10704 (die_checksum): Likewise.
10705 (assign_symbol_names): Likewise.
10706 (output_location_lists): Likewise.
10707 (build_abbrev_table): Likewise.
10708 (calc_die_sizes): Likewise.
10709 (mark_dies): Likewise.
10710 (unmark_dies): Likewise.
10711 (unmark_all_dies): Likewise.
10712 (output_die): Likewise.
10713 (prune_unused_types_mark): Likewise.
10714 (prune_unused_types_walk): Likewise.
10715 (same_die_p): Update for change to die_struct.
10716 (break_out_includes): Likewise.
10717 (prune_unused_types_prune): Likewise.
10718 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
10719 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
10720 it's already clear.
10721 (dwarf2out_finish): Don't call reverse_all_dies.
10723 2006-04-21 Eric Christopher <echristo@apple.com>
10725 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
10726 in comments and function names.
10728 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10731 * c-typeck.c (digest_init): Robustify.
10733 * c-typeck.c (pop_init_level): Simplify.
10735 2006-04-21 Steve Ellcey <sje@cup.hp.com>
10737 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
10739 2006-04-21 Paul Brook <paul@codesourcery.com>
10741 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
10742 hardware floating point.
10744 2006-04-21 David Edelsohn <edelsohn@gnu.org>
10746 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
10749 2006-04-21 Nick Clifton <nickc@redhat.com>
10751 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
10754 2006-04-21 Alan Modra <amodra@bigpond.net.au>
10757 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
10758 C++ lang type in traceback table for Objective-C++.
10760 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
10762 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
10764 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
10766 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10769 * tree-mudflap.c (mudflap_finish_file): Skip function when there
10770 were errors. Remove check for erroneous objects.
10772 2006-04-20 Jeff Law <law@redhat.com>
10774 PR tree-optimization/26854
10775 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
10776 checking for zero or one use.
10777 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
10778 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
10779 * tree-ssa-reassoc.c (negate_value): Similarly.
10780 (reassociate_bb): Similarly.
10782 2006-04-20 Jakub Jelinek <jakub@redhat.com>
10784 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
10785 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
10786 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
10788 2006-04-20 Alan Modra <amodra@bigpond.net.au>
10790 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
10791 fp regs if the last fp arg doesn't fit in regs.
10793 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
10796 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
10797 that the last insn has the REG_INC note.
10799 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
10800 Nathan Sidwell <nathan@codesourcery.com>
10803 * stor-layout.c (update_alignment_for_field): Do not align
10805 (place_union_field): Place union field at the start of the union.
10806 (place_field): Move ERROR_MARK check later, and use the current
10807 allocation position to maintain monotonicity.
10809 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
10811 * dominance.c: Include timevar.h.
10812 (calculate_dominance_info): Use TV_DOMINANCE.
10813 * timevar.def (TV_DOMINANCE): New timevar.
10814 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
10816 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
10818 PR rtl-optimization/14261
10819 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
10820 move would be an INSV insn.
10821 (noce_process_if_block): Don't optimize if the destination is a
10822 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
10824 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
10826 * config/s390/s390.md: Add comments with the instructions emitted
10827 by an insn pattern if macros are used.
10829 2006-04-19 Alan Modra <amodra@bigpond.net.au>
10831 PR rtl-optimization/26026
10832 * fold-const.c (fold_binary): Optimize div and mod where the divisor
10833 is a known power of two shifted left a variable amount.
10835 2006-04-18 Geoffrey Keating <geoffk@apple.com>
10837 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
10838 to hash table twice when the debug_str section has SECTION_MERGE.
10840 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
10842 * config/soft-fp: New directory. From glibc.
10843 * config/soft-fp/t-softfp: New.
10844 * config/soft-fp/README: New.
10845 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
10846 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
10847 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
10848 (LIBGCC_DEPS): Add $(SFP_MACHINE).
10849 * config.gcc: Use rs6000/t-fprules-fpbit or
10850 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
10852 * config/rs6000/sfp-machine.h: New. Based on glibc.
10853 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
10855 * config/rs6000/t-fprules: Remove fp-bit rules.
10856 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
10857 * config/rs6000/t-linux64: Likewise. Remove duplicates from
10858 LIB2FUNCS_EXTRA. Remove fp-bit rules.
10859 (softfp_wrap_start, softfp_wrap_end): New.
10861 2006-04-18 DJ Delorie <dj@redhat.com>
10863 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
10865 2006-04-18 Devang Patel <dpatel@apple.com>
10867 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
10869 2006-04-18 Nick Clifton <nickc@redhat.com>
10871 * config/sh/t-symbian: Add rule to build sh-c.o
10872 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
10873 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
10874 (sh_symbian_encode_section_info): Likewise.
10876 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
10878 * builtins.c (expand_builtin_strcmp): Cover label definition of
10879 do_libcall with HAVE_cmpstrnsi.
10881 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
10883 * function.c (temp_slots_at_level, max_slot_level): Use VEC
10885 * function.h (temp_slot_p): New.
10886 (function): Change the type of x_used_temp_slots to
10887 VEC(temp_slot_p,gc) *.
10889 2006-04-18 Nick Clifton <nickc@redhat.com>
10891 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
10892 flag_strength_reduce.
10894 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
10896 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
10900 Partial revert of revision 112637
10901 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
10902 Dale Johannesen <dalej@apple.com>
10905 * regclass.c (struct reg_pref): Update documentation.
10906 (regclass): Set prefclass to NO_REGS if memory is the best option.
10907 (record_reg_classes): Cope with a prefclass set to NO_REGS.
10909 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
10911 PR tree-optimization/26821
10912 * tree-ssa-math-opts.c (get_constant_one): New.
10913 (insert_reciprocals): Use it.
10915 2006-04-17 Geoffrey Keating <geoffk@apple.com>
10917 * dwarf2out.c (free_AT): Delete.
10918 (remove_AT): Update string ref counts.
10919 (remove_child_TAG): Don't call free_die.
10920 (free_die): Delete.
10921 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
10922 or DW_TAG_GNU_EINCL.
10923 (prune_unused_types_walk_attribs): Reset string refcounts.
10924 (prune_unused_types_update_strings): New.
10925 (prune_unused_types_prune): Don't make unnecessary stores. Don't
10926 call free_die. Do call prune_unused_types_update_strings.
10927 (prune_unused_types): Empty debug_str_hash.
10929 2006-04-17 Roger Sayle <roger@eyesopen.com>
10931 * expr.c (expand_assignment): Optimize away no-op moves where the
10932 source and destination are equal and have no side-effects.
10934 2006-04-17 Richard Guenther <rguenther@suse.de>
10937 * reload.c (push_reload): Guard calls to get_secondary_mem
10938 for memory subregs.
10940 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
10942 * alias.c (reg_base_value, old_reg_base_value): Change the
10943 type to VEC(rtx,gc) *.
10944 (REG_BASE_VALUE, find_base_value, record_set,
10945 init_alias_analysis): Use VEC instead of VARRAY.
10947 * alias.c (alias_sets): Change the type to
10948 VEC(alias_set_entry,gc) *.
10949 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
10950 VEC instead of VARRAY.
10951 (last_alias_set): Remove.
10953 * cgraph.h (cgraph_edge_p): New.
10954 Update the prototype of cgraph_function_versioning.
10955 * cgraphunit.c (cgraph_copy_node_for_versioning,
10956 cgraph_function_versioning): Use VEC instead of VARRAY.
10957 * ipa-cp.c (ipcp_insert_stage): Likewise.
10959 2006-04-16 Roger Sayle <roger@eyesopen.com>
10962 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
10963 "A op B" or "A op C", we may need to convert A to the type of B and C.
10965 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
10967 * target.h (struct gcc_target): Add mode_rep_extended.
10968 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
10969 (init_num_sign_bit_copies_in_rep): Initialize it using
10971 (truncate_to_mode): Use it.
10972 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
10973 * targhooks.h (default_mode_rep_extended): Declare it.
10974 * targhooks.c (default_mode_rep_extended): Define it.
10975 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
10976 default_mode_rep_extended.
10977 (TARGET_INITIALIZER): Include it.
10978 * doc/tm.texi (Misc): Document it.
10979 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
10980 (mips_truncated_to_mode): New function.
10982 2006-04-16 Roger Sayle <roger@eyesopen.com>
10984 PR middle-end/25474
10985 * expr.c (compress_float_constant): Copy the narrow constant into
10986 a new pseudo before extending it to its final width.
10988 2006-04-16 Roger Sayle <roger@eyesopen.com>
10989 Andrew Pinski <pinskia@gcc.gnu.org>
10990 Dale Johannesen <dalej@apple.com>
10993 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
10994 special case code to implement V8HImode and V16QImode with SSE2.
10996 2006-04-15 Roger Sayle <roger@eyesopen.com>
10998 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
10999 trees are constructed with a suitable tree type.
11001 2006-04-15 Roger Sayle <roger@eyesopen.com>
11003 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
11004 (integer_onep): Likewise.
11005 (integer_all_onesp): Likewise.
11006 (integer_pow2p): Likewise.
11007 (integer_nonzerop): Likewise.
11008 (real_zerop): Likewise.
11009 (real_onep): Likewise.
11010 (real_twop): Likewise.
11011 (real_minus_onep): Likewise.
11012 (int_size_in_bytes): Likewise.
11013 (host_integerp): Likewise.
11015 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
11017 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
11018 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
11019 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
11021 * tree-ssa-structalias.h (alias_info): Remove num_references.
11023 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11025 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
11026 (output_bvb patterns): Likewise.
11027 * pa.c (output_bb): Use 'bb' insn for long branch case.
11028 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
11029 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
11030 1. Correct length operand for alternatives 1 and 2.
11031 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
11032 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
11034 2006-04-14 Roger Sayle <roger@eyesopen.com>
11036 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
11037 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
11038 were accidentally reverted by r112959.
11040 2006-04-15 Jakub Jelinek <jakub@redhat.com>
11042 PR middle-end/26823
11043 * except.h (eh_region_outermost): New prototype.
11044 * except.c (eh_region_outermost): New function.
11045 * tree-cfg.c (find_outermost_region_in_block): Use it.
11047 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
11049 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
11051 * reload1.c (reg_equiv_memory_loc_varray): Rename to
11052 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
11053 (init_reload, reload): Use VEC instead of VARRAY.
11054 * reload.h: Update the prototype for
11055 reg_equiv_memory_loc_varray.
11057 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
11058 Eric Botcazou <ebotcazou@libertysurf.fr>
11060 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
11061 register save area.
11063 2005-04-13 Uros Bizjak <uros@kss-loka.si>
11065 PR middle-end/27134
11066 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
11067 to expand fallback builtin function call.
11069 2006-04-14 Alan Modra <amodra@bigpond.net.au>
11071 PR middle-end/27095
11072 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
11073 and emit libcall here in case the builtin fails.
11074 (expand_builtin_strcmp): Always emit the libcall here on failure.
11076 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
11078 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
11079 * flow.c (reg_n_info): Change the type to
11080 VEC(reg_info_p,heap) *.
11081 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
11083 * regs.h (reg_info_p): New.
11084 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
11085 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
11086 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
11089 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
11091 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
11093 * params.h (MAX_SCHED_READY_INSNS): New macro.
11094 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
11095 past MAX_SCHED_READY_INSNS during the first scheduling pass.
11096 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
11097 the ready list for 1 cycle during the first scheduling pass.
11098 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
11100 2006-04-13 Richard Henderson <rth@redhat.com>
11103 * gimple-low.c (lower_omp_directive): Remove dead code.
11104 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
11105 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
11106 * omp-low.c (struct omp_region): Move to tree-flow.h.
11107 (root_omp_region): Export.
11108 (omp_regions, lookup_omp_region): Remove.
11109 (determine_parallel_type): Update for struct omp_region changes.
11110 (dump_omp_region): Dump regions with block numbers.
11111 (new_omp_region): Take type and block instead of stmt; malloc
11113 (free_omp_region_1, free_omp_regions): New.
11114 (expand_parallel_call): Take entry_stmt as argument; update for
11115 changes to omp_region.
11116 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
11117 (remove_exit_barriers): New.
11118 (expand_omp_parallel): Update for struct omp_region changes.
11119 (expand_omp_synch): Likewise.
11120 (expand_omp): Likewise.
11121 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
11122 (expand_omp_for_static_chunk): Likewise.
11123 (expand_omp_for): Likewise.
11124 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
11125 (expand_omp_sections): Similarly, with GOMP_sections_end.
11126 (expand_omp_single): New.
11127 (build_omp_regions_1): Update for OMP_CONTINUE.
11128 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
11129 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
11130 OMP_SECTIONS_SECTIONS.
11131 (lower_omp_single_simple): Don't emit barrier here.
11132 (lower_omp_single_copy): Likewise.
11133 (lower_omp_single): Fix bindings, and lower to straightline now.
11134 (lower_omp_master, lower_omp_ordered): Likewise.
11135 (lower_omp_critical): Likewise.
11136 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
11137 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
11138 omp edges, free it afterward.
11139 (make_omp_sections_edges): Remove.
11140 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
11141 (move_stmt_r): Handle OMP_CONTINUE.
11142 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
11143 statement pointers to basic blocks. Add type member.
11144 (root_omp_region, new_omp_region, free_omp_regions): Declare.
11145 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
11146 * tree-inline.c (estimate_num_insns_1): Likewise.
11147 * tree-pretty-print.c (dump_generic_node): Likewise.
11148 * tree-ssa-operands.c (get_expr_operands): Likewise.
11149 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
11150 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
11151 (OMP_CONTINUE): New.
11152 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
11153 (OMP_SECTIONS_SECTIONS): Remove.
11154 (OMP_SECTION_LAST): New.
11155 (OMP_RETURN_NOWAIT): New.
11157 2006-04-13 Roger Sayle <roger@eyesopen.com>
11159 * fold-const.c (native_encode_vector, native_interpret_real):
11160 Correct obvious mistakes in the previous check-in.
11162 2006-04-13 Roger Sayle <roger@eyesopen.com>
11164 * fold-const.c (native_encode_expr): New function to encode
11165 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
11166 or VECTOR_CST into a specified buffer.
11167 (native_encode_int): New function.
11168 (native_encode_real): New function.
11169 (native_encode_complex): New function.
11170 (native_encode_vector): New function.
11171 (native_interpret_expr): Inverse of native_encode_expr to convert
11172 a target representation into an INTEGER_CST, REAL_CST etc...
11173 (native_interpret_int): New function.
11174 (native_interpret_real): New function.
11175 (native_interpret_complex): New function.
11176 (native_interpret_vector): New function.
11177 (fold_view_convert_expr): New function to constant fold/evaluate
11178 a VIEW_CONVERT_EXPR of a suitable constant expression.
11179 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
11180 Change call of build1 to fold_build1 when constructing a
11183 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
11184 Ulrich Weigand <uweigand@de.ibm.com>
11187 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
11190 2006-04-13 Alan Modra <amodra@bigpond.net.au>
11193 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
11194 optimize to lo_sum for DFmode if !TARGET_FPRS.
11196 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
11198 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
11199 delete_alias_info, compute_flow_sensitive_aliasing,
11200 group_aliases): Use VEC instead of VARRAY.
11201 * tree-ssa-structalias.c (update_alias_info): Likewise.
11202 * tree-ssa-structalias.h (alias_info): Change the type of
11203 processed_ptrs to VEC(tree,heap) *.
11205 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
11208 * config/sh/lib1funcs.h: New file, broken out of:
11209 * config/sh/lib1funcs.asm.
11210 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
11212 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
11213 * config/sh/lib1funcs-Os-4-200.asm: New file.
11214 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
11215 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
11216 (EXTRA_MULTILIB_PARTS): Include it.
11217 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
11218 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
11219 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
11220 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
11223 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
11225 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
11226 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
11227 tpa_compact, root_var_init, type_var_init): Use VEC instead of
11229 * tree-ssa-live.h: Include vecprim.h.
11230 (tree_partition_associator_d): Change the type of
11231 first_partition to VEC(int,heap) *.
11232 (tpa_first_partition): Use VEC instead of VARRAY.
11234 * Makefile.in (GTFILES): Move functions.h after tree.h.
11235 * function.c (reset_block_changes, record_block_change,
11236 check_block_change, free_block_changes): Use VEC instead of
11238 * function.h (function): Change the type of
11239 ib_boundaries_block to VEC(tree,gc) *.
11240 * tree-inline.c (copy_cfg_body): Initialize
11241 ib_boundaries_block to NULL instead of (varray_type) 0.
11243 2006-04-12 Roger Sayle <roger@eyesopen.com>
11245 * expr.c (emit_group_store): Correct operand order in call to
11246 subreg_lowpart_offset. Always create paradoxical SUBREGs with
11247 a SUBREG_BYTE of zero.
11249 2006-04-12 Richard Guenther <rguenther@suse.de>
11251 * profile.c (compute_branch_probabilities): Remove code
11252 encapsulated in !ir_type (), which are remanents of the
11253 removed RTL profiling code.
11254 * rtl-profile.c: Remove.
11256 2006-04-12 Alan Modra <amodra@bigpond.net.au>
11258 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
11259 magic NULL_RTX comment.
11260 (function_arg): Store entire fp arg to mem if any part should go
11262 (rs6000_arg_partial_bytes): Adjust for above change.
11264 2006-04-11 Roger Sayle <roger@eyesopen.com>
11266 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
11267 if it hasn't been initialized by dwarf2out_init.
11269 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
11271 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
11272 symbolic constants in branch patterns.
11274 2006-04-11 Roger Sayle <roger@eyesopen.com>
11276 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
11278 2006-04-11 Richard Sandiford <richard@codesourcery.com>
11280 PR rtl-optimization/27073
11281 * gcse.c (try_replace_reg): Revert last change. Continue to search
11282 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
11285 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
11287 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
11288 aggregate types other than record and union types.
11289 (function_arg): Likewise.
11290 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
11292 (function_value): In 64-bit mode, return objects that require it
11295 2006-04-11 Roger Sayle <roger@eyesopen.com>
11297 * dwarf2out.c (premark_used_types): Remove problematic prototype.
11299 2006-04-11 Jakub Jelinek <jakub@redhat.com>
11301 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
11303 2006-04-03 Jeff Law <law@redhat.com>
11306 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
11307 alias information too.
11309 2006-04-10 Mike Frysinger <vapier@gentoo.org>
11311 * Makefile.in (gcc-cross): Add $(exeext) to target name.
11313 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
11316 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
11317 (premark_used_types_helper): New.
11318 (premark_used_types): New.
11319 (gen_subprogram_die): Call premark_used_types.
11320 (prune_unused_types_walk): Do not prune perennial dies.
11321 * function.c (used_types_insert): New.
11322 * function.h (struct function): Add used_types_hash field.
11323 (used_types_insert): Add prototype.
11324 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
11325 * c-parser.c (c_parser_cast_expression): Save casted types in used
11328 2006-04-11 Mark Mitchell <mark@codesourcery.com>
11331 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
11332 rs6000_explicit_options.float_gprs.
11334 2006-04-10 Roger Sayle <roger@eyesopen.com>
11336 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
11337 from ix86_expand_vector_init_low_nonzero. Take an additional
11338 one_var argument indicating which element is non-zero. Support
11339 one_var != 0 for V4SFmode and V4SImode by permuting the result.
11340 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
11341 with one_var instead of ix86_expand_vector_init_low_nonzero.
11343 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
11345 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
11346 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
11347 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
11348 build/genextract.o): Depend on vecprim.h.
11349 * cfglayout.c, df-problems.c, function.c, genextract.c,
11350 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
11351 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
11355 2006-04-10 Geoffrey Keating <geoffk@apple.com>
11357 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
11358 Declare VECs of this type.
11359 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
11360 (remove_children): Delete.
11361 (add_dwarf_attr): Use VEC routines.
11362 (add_AT_flag): Update for changes to add_dwarf_attr.
11363 (add_AT_int): Likewise.
11364 (add_AT_unsigned): Likewise.
11365 (add_AT_long_long): Likewise.
11366 (add_AT_vec): Likewise.
11367 (add_AT_string): Likewise.
11368 (add_AT_die_ref): Likewise.
11369 (add_AT_fde_ref): Likewise.
11370 (add_AT_loc): Likewise.
11371 (add_AT_loc_list): Likewise.
11372 (add_AT_addr): Likewise.
11373 (add_AT_lbl_id): Likewise.
11374 (add_AT_lineptr): Likewise.
11375 (add_AT_macptr): Likewise.
11376 (add_AT_offset): Likewise.
11377 (add_AT_range_list): Likewise.
11378 (get_AT): Use VEC_iterate.
11379 (remove_AT): Use VEC_ordered_remove.
11380 (free_die): Fold remove_children into here; have it use VEC_iterate.
11381 (print_die): Use VEC_iterate on attrs.
11382 (reverse_die_lists): Don't reverse attr lists.
11383 (die_checksum): Use VEC_iterate on attrs.
11384 (same_die_p): Likewise.
11385 (output_location_lists): Likewise.
11386 (build_abbrev_table): Likewise.
11387 (size_of_die): Likewise.
11388 (unmark_all_dies): Likewise.
11389 (output_abbrev_section): Likewise.
11390 (output_die): Likewise.
11391 (prune_unused_types_walk_attribs): Likewise.
11393 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
11395 * doc/install.texi (*-*-solaris2*): Point to the configure page.
11397 2006-04-10 Jakub Jelinek <jakub@redhat.com>
11400 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
11402 2006-04-09 Roger Sayle <roger@eyesopen.com>
11404 * expr.c (store_constructor): Don't bother clearing target if
11405 we're about to assign a vector to it using vec_init_optab.
11407 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
11409 * tree-ssa-alias.c (lhs_may_store_to): New function.
11410 (recalculate_used_alone): Handle LHS of calls.
11412 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11416 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
11417 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
11418 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
11419 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
11420 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
11421 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
11422 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
11423 stubs. Add ".align 8" directives before all ".dword" directives.
11424 (GTHREAD_USE_WEAK): Revise comment.
11425 (TARGET_ATTRIBUTE_WEAK): Define.
11426 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
11427 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
11428 * stublib.c: New file.
11433 * pa.md (cbranch patterns): Revise arguments used in calls to
11434 output_cbranch, output_bb and output_bvd. Add long branch length
11436 (fbranch patterns): Handle long branches.
11437 (jump): Revise length check. Revise arguments for output_lbranch call.
11438 Add long branch length attributes.
11439 (decrement_and_branch_until_zero): Add long branch length attributes.
11440 (output_movb, output_parallel_addb and output_parallel_movb patterns):
11441 Likewise. Revise arguments for output_parallel_addb and
11442 output_parallel_movb calls.
11443 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
11444 output_parallel_movb and output_parallel_addb): Update prototypes.
11445 * pa.c (output_cbranch): Revise arguments. Correct handling of
11446 nullification in long branches.
11447 (output_lbranch): Add new argument to control extraction of delay
11449 (output_bb): Handle long branches.
11450 (output_bvb, output_dbra, output_movb, output_parallel_movb,
11451 output_parallel_addb): Likewise.
11453 2006-04-09 Richard Sandiford <richard@codesourcery.com>
11455 PR rtl-optimization/27073
11456 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
11459 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
11461 * tree.h (tree_memory_tag): Add old_used_alone.
11462 (SMT_OLD_USED_ALONE): New macro.
11463 * tree-ssa-alias.c (recalculate_used_alone): Stop
11464 marking things for renaming unnecessarily.
11466 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
11468 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
11469 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
11470 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
11471 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
11472 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
11473 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
11474 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
11475 spelling convensions.
11476 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
11477 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
11478 typos. Follow spelling conventions.
11480 2006-04-07 DJ Delorie <dj@redhat.com>
11482 * config/m32c/m32c.c (m32c_function_arg): Structures are always
11483 passed on the stack.
11484 (m32c_init_cumulative_args): When a function returns a structure,
11485 always pass the pointer to that return area on the stack.
11486 (m32c_function_arg_advance): Don't increment the parameter number
11487 if we're processing the returned structure pointer.
11488 (pushm_info): Reverse order of registers.
11490 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
11492 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
11493 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
11494 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
11495 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
11496 build_int_cst_type.
11497 * tree-chrec.c (chrec_fold_multiply_poly_poly,
11498 chrec_fold_multiply): Same.
11499 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
11500 force_expr_to_var_cost): Same.
11501 * tree-mudflap.c (mf_xform_derefs_1): Same.
11502 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
11504 2006-04-07 David Edelsohn <edelsohn@gnu.org>
11506 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
11507 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
11510 2006-04-07 Jan Hubicka <jh@suse.cz>
11512 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
11514 2006-04-07 Richard Guenther <rguenther@suse.de>
11516 PR tree-optimization/26135
11517 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
11518 loads for store copy-prop.
11519 (copy_prop_visit_stmt): Likewise.
11521 2006-04-05 Robert Millan <robertmh@gnu.org>
11523 * config/i386/linux.h: Add a comment to mark macros that are
11524 being overriden in config/k*bsd-gnu.h.
11525 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
11527 * config/knetbsd-gnu.h: Ditto.
11529 2006-04-06 Jan Hubicka <jh@suse.cz>
11533 * coverage.c (coverage_checksum_string): Reorganize loop to not read
11536 2006-04-06 Mike Stump <mrs@apple.com>
11538 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
11539 for HAVE_nonlocal_goto to be consistent.
11540 (expand_builtin_nonlocal_goto): Likewise.
11541 (expand_builtin_strcmp): Use #ifdef instead of #if
11542 for HAVE_cmpstrnsi to be consistent.
11544 2006-04-05 DJ Delorie <dj@redhat.com>
11546 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
11549 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
11551 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
11552 got-relative addressing for anything but SImode.
11554 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
11555 even if the calling function doesn't modify them.
11557 2006-04-05 Richard Guenther <rguenther@suse.de>
11559 PR tree-optimization/26919
11560 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
11561 to cgraph_estimate_size_after_inlining.
11563 2006-04-05 Alan Modra <amodra@bigpond.net.au>
11565 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
11567 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
11569 PR tree-optimization/26996
11570 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
11571 VECTOR_TYPE variables.
11573 2006-04-05 Richard Guenther <rguenther@suse.de>
11575 PR tree-optimization/26763
11576 * fold-const.c (fold_comparison): Move folding of
11577 PTR + CST CMP PTR + CST ...
11578 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
11580 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
11582 * doc/install.texi (Prerequisites): Refine some wording on
11583 bootstrapping and ksh.
11584 Move the version numbers of DejaGnu here from the testing section
11585 and fix casing of names.
11586 Fix markup and clarify wording for autogen requirements.
11587 Refer to GCJ instead of just java.
11588 Refer to SVN instead of CVS.
11589 Describe diffutils as useful instead of necessary.
11590 (Downloading the source): Refer to SVN instead of CVS.
11591 Adjust a link to our web site accordingly.
11592 (Configuration): Fix casing of Bison.
11593 (Building): Refer to SVN instead of CVS.
11594 Fix a sentence on the use of Bison and remove duplicate (and
11595 incorrect) version number of Bison requirement.
11596 Remove one redundant list of packages needed for building.
11597 (Specific): Avoid reference to CVS.
11599 2006-04-04 Eric Christopher <echristo@apple.com>
11601 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
11602 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
11603 (rs6000_handle_struct_attribute): New.
11604 (rs6000_ms_bitfield_layout_p): Ditto.
11606 2006-04-04 Geoffrey Keating <geoffk@apple.com>
11608 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
11609 NULL for dso parameter to atexit_common.
11611 2006-04-04 Eric Christopher <echristo@apple.com>
11613 * config/i386/i386.c (machopic_output_stub): Output \t
11614 between instructions and operands.
11616 2006-04-04 David Edelsohn <edelsohn@gnu.org>
11618 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
11619 satisfies_constraint_[IL] to explicit tests on value.
11621 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
11623 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
11624 set_nb_iterations_in_loop): Use build_int_cst instead of
11625 build_int_cst_type.
11626 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
11627 build_int_cst instead of convert.
11629 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
11631 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
11632 new value 2 for incoming.
11633 * function.c (expand_function_start): Call struct_value_rtx
11634 with incoming as 2.
11635 * config/sparc/sparc.md: Comment updated_return.
11636 * config/sparc/sparc.opt: Add -mstd-struct-return option.
11637 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
11638 struct return if sparc_std_struct_return and incoming is 2.
11639 (print_operand): Do not adjust return if
11640 sparc_std_struct_return.
11642 2006-04-04 Roger Sayle <roger@eyesopen.com>
11644 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
11645 convert in the middle-end.
11646 * expr.c (store_expr, store_constructor, get_inner_reference,
11647 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
11649 * tree.c (build_range_type): Likewise.
11651 2006-04-04 Tom Tromey <tromey@redhat.com>
11653 * doc/install.texi (Prerequisites): Mention jar.
11655 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
11657 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
11660 2006-04-04 Matthias Klose <doko@debian.org>
11662 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
11666 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
11669 2006-04-03 Geoffrey Keating <geoffk@apple.com>
11671 * doc/extend.texi (Function Attributes): Rewrite visibility
11672 attribute documentation.
11673 * doc/invoke.texi (C++ Dialect Options): Rewrite
11674 -fvisibility-inlines-hidden documentation to describe something
11675 entirely different, although in practise compatible.
11676 (Code Gen Options): Warn about system headers in -fvisibility=
11679 * doc/extend.texi (Other Builtins): Document that
11680 __builtin_nan is a compile-time constant only when its argument
11683 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
11685 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
11686 trying to remove TRUNCATE check if all bits outside the new mode
11687 are identical to the sign bit.
11689 2006-04-03 Jeff Law <law@redhat.com>
11691 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
11692 and operand scanning in some common cases.
11694 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
11695 Dale Johannesen <dalej@apple.com>
11698 * regclass.c (struct reg_pref): Update documentation.
11699 (regclass): Set prefclass to NO_REGS if memory is the best option.
11700 (record_reg_classes): Cope with a prefclass set to NO_REGS.
11701 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
11702 into account. For non-registers, equate an empty preferred
11703 reload class to a `!' in the constraint; move the if clause to
11704 do so after those that reject the insn.
11705 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
11707 (find_dummy_reload): Likewise.
11708 * doc/tm.texi (Register Classes): Document what it means
11709 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
11710 * config/i386/i386.c (ix86_preferred_reload_class): Force
11711 using SSE registers (and return NO_REGS for floating-point
11712 constants) if math is done with SSE.
11713 (ix86_preferred_output_reload_class): New.
11714 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
11715 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
11716 * config/i386/i386.md: Remove # register preferences.
11718 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11721 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
11722 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
11723 the type of nb_iter.
11724 (instantiate_parameters_1): Convert the operands before calling
11725 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
11726 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
11728 2006-04-02 Roger Sayle <roger@eyesopen.com>
11730 * builtins.c (dummy_object): Use build_int_cst instead of convert.
11731 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
11732 instead of convert.
11733 * dojump.c (do_jump): Likewise.
11734 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
11735 * gimplify.c (gimple_boolify, gimplify_init_constructor,
11736 gimplify_boolean_expr): Likewise.
11737 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
11738 * varasm.c (array_size_for_constructor): Likewise.
11739 * tree-object-size.c (compute_object_offset): Likewise.
11741 2006-04-02 Roger Sayle <roger@eyesopen.com>
11743 PR middle-end/26977
11744 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
11745 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
11747 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11749 PR tree-optimization/26939
11750 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
11752 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11754 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
11755 at_stmt. Convert the type of operands before calling
11756 build_polynomial_chrec.
11757 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
11758 add_to_evolution_1.
11759 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
11760 (instantiate_parameters_1): Convert the type of operands before calling
11761 build_polynomial_chrec.
11762 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
11763 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
11764 reset_evolution_in_loop): Insert asserts to check the types of the
11766 (chrec_type): Moved...
11767 (eq_evolutions_p): Use operand_equal_p.
11768 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
11769 the types of the operands.
11770 (chrec_type): ...here.
11771 * tree-data-ref.c (create_data_ref): Convert the operands before
11772 calling chrec_replace_initial_condition.
11773 (same_access_functions, analyze_subscript_affine_affine,
11774 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
11775 (compute_subscript_distance, analyze_ziv_subscript,
11776 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
11777 analyze_miv_subscript): Convert the operands before calling
11778 chrec_fold_minus or chrec_fold_plus.
11780 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11782 * tree-data-ref.c (compute_all_dependences): Use a pointer to
11783 the dependence_relations vector.
11784 (compute_data_dependences_for_loop): Adjust call to
11785 compute_all_dependences.
11787 2006-04-01 Roger Sayle <roger@eyesopen.com>
11788 Richard Henderson <rth@redhat.com>
11790 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
11791 gimple_boolify on the condition before calling gimplify_expr.
11793 2006-03-31 Bob Wilson <bob.wilson@acm.org>
11795 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
11796 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
11797 the frame size. Update to use the new macros.
11798 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
11799 * config/xtensa/ieee754-df.S: Likewise.
11801 2006-03-31 Richard Henderson <rth@redhat.com>
11803 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
11804 (make_edges): ... here. Control fallthru creation with a local
11805 variable. Do not play with fake edges.
11806 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
11807 (make_goto_expr_edges): Don't play with fake edges. Make for_call
11810 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
11812 * dwarf2.h (DW64_CIE_ID): Define.
11813 * dwarf2out.c (DWARF_CIE_ID): Define.
11814 (output_call_frame_info): Output 0xffffffff before standard 8-byte
11815 length header. Use DWARF_CIE_ID.
11816 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
11817 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
11819 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
11821 * config/sh/linux-atomic.asm: New file.
11822 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
11824 2006-03-31 DJ Delorie <dj@redhat.com>
11826 * config/m32c/cond.md: Set condition flags properly throughout.
11827 * config/m32c/minmax.md: Likewise.
11828 * config/m32c/prologue.md: Likewise.
11829 * config/m32c/bitops.md: Likewise.
11830 * config/m32c/muldiv.md: Likewise.
11831 * config/m32c/mov.md: Likewise.
11832 * config/m32c/addsub.md: Likewise.
11833 * config/m32c/m32c.md: Likewise.
11834 * config/m32c/jump.md: Likewise.
11835 * config/m32c/shift.md: Likewise.
11837 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
11838 conditionally output the pattern for this.
11839 * config/m32c/m32c.c (flags_needed_for_conditional): New.
11840 (m32c_compare_redundant): New.
11841 (m32c_output_compare): New.
11842 * config/m32c/m32c-protos.h (m32c_output_compare): New.
11844 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
11845 dest, not src. Allow other 4-byte modes.
11847 2006-03-30 Denis Chertykov <denisc@overta.ru>
11849 * doc/md.texi: Refer to avr/constraints.md instead of
11852 2006-03-30 Roger Sayle <roger@eyesopen.com>
11854 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
11855 signed vs. unsigned comparison failures on some hosts.
11857 2006-03-31 Alan Modra <amodra@bigpond.net.au>
11860 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
11861 change to FLOAT_REGS.
11863 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
11864 (rs6000_override_options): Use it.
11865 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
11866 only for -mabi=spe/no-spe and -mabi=altivec.
11868 2006-03-30 Geoffrey Keating <geoffk@apple.com>
11870 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
11873 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
11875 * Makefile.in: Rename docdir to gcc_docdir.
11877 2006-03-30 Roger Sayle <roger@eyesopen.com>
11880 * expr.c (emit_group_store): Optimize group stores into a pseudo
11881 register by using a paradoxical subreg to initialize the destination
11882 if the first or last member of the group specifies a "low part".
11884 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11887 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
11888 * target.h (struct gcc_target.speculate_insn): Change type of the
11889 second parameter to 'int'.
11890 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
11891 the second operand of the DEPS_LIST.
11892 (copy_DEPS_LIST_list): Update reference to the second operand of the
11894 * rtl.h (alloc_DEPS_LIST): Update signature.
11895 * sched-int.h (ds_t): Change typedef to 'int'.
11896 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
11898 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11900 * haifa-sched.c (try_ready): Change condition to restore
11901 non-speculative pattern of the instruction.
11902 (process_insn_depend_be_in_spec): Code to keep probability of the
11903 speculative dependence non-decreasing.
11905 2006-03-30 Jie Zhang <jie.zhang@analog.com>
11907 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
11908 (single_move_for_movmem): ... this. Also change all uses.
11909 (bfin_expand_strmov): Renamed to...
11910 (bfin_expand_movmem): ... this. Also change all uses.
11911 * config/bfin/bfin.md (movstrsi): Renamed to...
11912 (movstrsi): ...this.
11914 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
11916 PR tree-optimization/26830
11918 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
11919 (copy_prop_visit_stmt): Remove write-only variable ann.
11920 (init_copy_prop): Check variable loop depth here. Do not simulate
11921 memory-tag and virtual operand PHIs except for store copy prop.
11923 2006-03-30 Richard Guenther <rguenther@suse.de>
11925 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
11926 variants with double arguments.
11928 2006-03-29 David Edelsohn <edelsohn@gnu.org>
11930 * genpreds.c (write_tm_constrs_h): Delete variable p.
11931 * genconditions.c (write_header): Add tm-constrs.h to included
11933 * genpeep.c (main): Add toplev.h to included headers.
11934 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
11935 (build/genpeep.o): Add toplev.h dependency.
11936 * config/rs6000/constraints.md: Add "W" constraint.
11938 2006-03-29 Roger Sayle <roger@eyesopen.com>
11940 * stor-layout.c (mode_for_size_tree): Remove restiction on type
11941 sizes by correctly testing whether the size fits a host integer.
11942 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
11943 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
11944 SImode range for the default sizetype and bitsizetype.
11946 2006-03-29 Roger Sayle <roger@eyesopen.com>
11948 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
11949 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
11950 quickly if the argument is already of the correct type.
11951 Call fold_build1 instead of build1. Tidy up blank lines.
11953 2006-03-29 David Edelsohn <edelsohn@gnu.org>
11955 * genemit.c (main): Add tm-constrs.h to included headers.
11956 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
11957 * genpeep.c (main): Add tm-constrs.h to included headers.
11958 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
11959 (write_tm_constrs_h): this and write complete file.
11960 (write_tm_preds_h): Do not emit satisfies_constraint fns.
11961 (write_insn_preds_c): Add tm-constrs.h to included headers.
11962 (gen_constrs): New variable.
11963 (parse_option): Parse "-c".
11964 (main): Invoke write_tm_constrs_h.
11965 * genrecog.c (write_header): Add tm-constrs.h to included headers.
11966 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
11967 (object_out_file): Add tm-constrs.h dependency.
11968 (insn-emit.o): Same.
11969 (insn-output.o): Same.
11970 (insn-peep.o): Same.
11971 (insn-preds.o): Same.
11972 (insn-recog.o): Same.
11973 (tm-constsr.h): New target.
11974 (s-constrs-h): New target.
11976 * config/rs6000/constraints.md: New file.
11977 * config/rs6000/rs6000.c: Include tm-constrs.h.
11978 (num_insn_constant_wide): Convert to satisfies_constraint.
11979 (rs6000_rtx_costs): Convert to satisfies_constraint.
11980 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
11981 (CONST_OK_FOR_LETTER_P): Delete.
11982 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
11983 (EXTRA_CONSTRAINT): Delete.
11984 (EXTRA_MEMORY_CONSTRAINT): Delete.
11985 (EXTRA_ADDRESS_CONSTRAINT): Delete.
11986 * config/rs6000/predicates.md: Convert to satisfies_constraint.
11987 * config/rs6000/rs6000.md: Include constraints.md. Convert to
11988 satisfies_constraint.
11990 * config/i386/i386.c: Include tm-constrs.h.
11992 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
11994 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
11995 * tree-data-ref.c (find_data_references_in_loop,
11996 compute_data_dependences_for_loop): Use pointers to VEC.
11997 (analyze_all_data_dependences): Adjust calls.
11998 * tree-data-ref.h (find_data_references_in_loop,
11999 compute_data_dependences_for_loop): Adjust declarations.
12000 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
12001 compute_data_dependences_for_loop.
12003 2006-03-29 Paul Brook <paul@codesourcery.com>
12005 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
12006 (movdf_vfp): Ditto.
12008 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
12010 PR tree-optimization/26859
12011 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
12013 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
12014 for the step after fold_convert.
12016 2006-03-29 Paul Brook <paul@codesourcery.com>
12018 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
12019 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
12021 2006-03-29 Paul Brook <paul@codesourcery.com>
12023 PR middle-end/23623
12024 * targhooks.c (default_narrow_bitfield): New fuction.
12025 * targhooks.h (default_narrow_bitfield): add prototype.
12026 * target.h (gcc_target): Add narrow_volatile_bitfield.
12027 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
12028 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
12029 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
12030 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
12032 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
12034 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
12036 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
12037 (NR_C_MODES): Add TDmode, DDmode and SDmode.
12038 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
12039 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
12040 (s390_function_arg_float): Allow SDmode and DDmode values to be
12041 passed in floating point registers.
12042 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
12043 check with SCALAR_FLOAT_MODE_P.
12044 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
12046 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
12048 PR tree-optimization/25985
12049 * tree-ssa-loop-niter.c (number_of_iterations_le,
12050 number_of_iterations_ne): Make comments more precise.
12051 (number_of_iterations_cond): Add only_exit argument. Use the
12052 fact that signed variables do not overflow only when only_exit
12054 (loop_only_exit_p): New.
12055 (number_of_iterations_exit): Pass result of loop_only_exit_p to
12056 number_of_iterations_cond.
12058 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
12060 PR tree-optimization/26643
12061 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
12064 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
12066 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
12067 (divsi3_i4_int): Likewise.
12069 2006-03-28 Roger Sayle <roger@eyesopen.com>
12071 * expr.c (emit_group_store): Only create a new pseudo reg if the
12072 quantity it needs to hold isn't already a suitable pseudo.
12074 2006-03-28 Jeff Law <law@redhat.com>
12076 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
12077 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
12079 2006-03-28 Roger Sayle <roger@eyesopen.com>
12081 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
12082 the equivalent ~X & Y, and the symmetry related transformations.
12083 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
12084 ~X & Y, and symmetry related transforms.
12086 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12088 Revert my 2006-03-27 patches.
12090 2006-03-28 Roger Sayle <roger@eyesopen.com>
12092 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
12093 ~(T1)X, when T1 and T2 are integer types of the same precision
12094 and (T2)X isn't an extension.
12096 2006-03-28 Jeff Law <law@redhat.com>
12098 PR tree-optimization/26796
12099 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
12100 need EH edge cleanups rather than purging them immediately.
12101 (eliminate_degenerate_phis): Handle queued EH cleanups.
12103 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
12105 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
12108 2006-03-27 Roger Sayle <roger@eyesopen.com>
12110 PR middle-end/22524
12111 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
12112 cast BIT_NOT_EXPR operand to the correct type.
12114 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
12116 * tree-loop-linear.c: Don't include varray.h.
12117 (gather_interchange_stats, try_interchange_loops,
12118 linear_transform_loops): Use VEC instead of VARRAY.
12119 * lambda-mat.c: Don't include varray.h.
12120 * tree-chrec.c: Same.
12121 * lambda-trans.c: Same.
12122 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
12123 VEC instead of VARRAY.
12124 * tree-vectorizer.h: Idem.
12125 * tree-data-ref.c (dump_data_references,
12126 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
12127 initialize_data_dependence_relation, finalize_ddr_dependent,
12128 compute_all_dependences, find_data_references_in_loop,
12129 compute_data_dependences_for_loop, analyze_all_data_dependences,
12130 free_dependence_relation, free_dependence_relations,
12131 free_data_refs): Idem.
12132 * tree-data-ref.h (data_reference_p, subscript_p): New.
12133 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
12134 VEC instead of VARRAY.
12135 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
12136 (find_data_references_in_loop, compute_data_dependences_for_loop,
12137 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
12138 dump_data_dependence_relations, free_dependence_relations,
12139 free_data_refs): Adjust declaration.
12140 (lambda_transform_legal_p): Move declaration here...
12141 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
12142 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
12143 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
12144 vect_analyze_data_refs): Use VEC instead of VARRAY.
12145 * lambda.h (lambda_transform_legal_p): ...from here.
12146 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
12147 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
12148 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
12149 tree-chrec.o): Don't depend on VARRAY_H.
12151 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12153 * rtl.def (Copyright): Update date.
12154 (DEPS_LIST): Change type of the second operand to 'int'.
12155 * target.h (Copyright): Update date.
12156 (struct gcc_target.speculate_insn): Change type of the second parameter
12158 * lists.c (Copyright): Update date.
12159 (alloc_DEPS_LIST): Change signature. Update reference to the second
12160 operand of the DEPS_LIST.
12161 (copy_DEPS_LIST_list): Update reference to the second operand of the
12163 * rtl.h (Copyright): Update date.
12164 (alloc_DEPS_LIST): Update signature.
12165 * sched-int.h (Copyright): Update date.
12166 (ds_t): Change typedef to 'int'.
12167 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
12169 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12171 * haifa-sched.c (Copyright): Update date.
12172 (try_ready): Change condition to restore non-speculative pattern
12173 of the instruction.
12174 (process_insn_depend_be_in_spec): Code to keep probability of the
12175 speculative dependence non-decreasing.
12177 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
12179 * regrename.c (replace_oldest_value_addr): Initialize a variable to
12180 shut up the compiler.
12182 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
12184 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
12185 to use lib prefix for target.
12186 ($(T)libic_invalidate_array_4-200.a): Likewise.
12187 ($(T)libic_invalidate_array_4a.a): Likewise.
12189 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
12190 J"orn Rennecke <joern.rennecke@st.com>
12192 * superh.opt: New file.
12193 * sh.c (boardtype, osruntime): Remove.
12194 * superh.h (SUBTARGET_OPTIONS): Remove.
12195 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
12197 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
12198 arguments with ^ and/or [].
12200 * config.gcc (sh-*-*): Add quoting to account for quirk of
12202 Replace == with = in enable_incomplete_targets test.
12204 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
12205 with MASK_LITTLE_ENDIAN.
12207 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
12208 * config/sh/sh.opt: Added to some comments.
12209 * config/sh/superh.h: Removed some chaff.
12211 * config/sh/sh.opt: Add m4-[1234]00* options.
12212 * config/sh/sh.c (sh_handle_option): Likewise.
12213 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
12214 (ic_invalidate_array_4-100.o): New rule.
12215 ($(T)libic_invalidate_array_4-100.a): Likewise.
12216 (ic_invalidate_array_4-200.o): Likewise.
12217 ($(T)libic_invalidate_array_4-200.a): Likewise.
12218 (ic_invalidate_array_4a.o): Likewise.
12219 ($(T)libic_invalidate_array_4a.a): Likewise.
12220 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
12221 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
12223 * config/sh/crt1.asm: Merged in profiling code.
12224 * config/sh/superh.h (STARTFILE_SPEC): Override.
12225 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
12226 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
12227 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
12229 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
12230 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
12231 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
12233 * sh.opt (mpretend-cmove): New option.
12234 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
12235 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
12236 (movsicc): Add TARGET_PRETEND_CMOVE code.
12238 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
12240 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
12241 s390_class_max_nregs): New function prototypes.
12242 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
12243 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
12244 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
12245 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
12247 2006-03-26 Geoffrey Keating <geoffk@apple.com>
12249 * dwarf2out.c (add_location_or_const_value_attribute): Call
12250 tree_add_const_value_attribute if nothing else works.
12251 (reference_to_unused): New.
12252 (rtl_for_decl_init): Use reference_to_unused to decide whether
12253 to output an initializer.
12255 2006-03-27 Alan Modra <amodra@bigpond.net.au>
12258 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
12259 peephole removing spe frob_di_df_2.
12261 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
12263 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
12264 (subscript_dependence_tester_1): Declared.
12265 (print_dir_vectors, print_dist_vectors): New.
12266 (debug_data_dependence_relation): New.
12267 (dump_data_dependence_relation): Print more details.
12268 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
12269 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
12270 (save_dist_v, save_dir_v, add_outer_distances,
12271 build_classic_dist_vector_1): New.
12272 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
12273 Don't test for lambda_vector_lexico_pos.
12274 (same_access_functions, add_multivariate_self_dist,
12275 add_other_self_distances, dir_from_dist): New.
12276 (build_classic_dir_vector): Replace implementation almost identical to
12277 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
12279 (subscript_dependence_tester_1): New.
12280 (subscript_dependence_tester): Handle the lexicographically negative
12281 distance vectors by recomputing the dependence relation.
12282 (compute_affine_dependence): Remove parameter loop_nest_depth.
12283 (compute_self_dependence): Don't call compute_subscript_distance.
12284 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
12285 Add a parameter for the loop_nest.
12286 (find_loop_nest_1, find_loop_nest): New.
12287 (compute_data_dependences_for_loop): Compute the loop nest, and give
12288 up if the nest is not well formed.
12289 * tree-data-ref.h (loop_p): New.
12290 (struct data_dependence_relation): Replace size_vect field with
12291 loop_nest, a vec of loops.
12292 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
12293 (DDR_LOOP_NEST): New.
12294 (print_dir_vectors, print_dist_vectors,
12295 debug_data_dependence_relation): Declared.
12296 (index_in_loop_nest): New.
12297 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
12298 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
12301 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
12303 * simplify-rtx.c (simplify_relational_operation): Call
12304 simplify_relational_operation_1 even if mode is VOIDmode.
12306 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
12308 PR tree-optimization/26804
12309 * tree.h (DECL_CALL_CLOBBERED): New macro.
12310 (tree_decl_common): Add call_clobbered_flag.
12311 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
12312 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
12313 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
12314 (mark_non_addressable): Ditto.
12315 * tree-ssa.c (verify_call_clobbered): New function.
12316 (verify_alias_info): Use it.
12317 * tree-pass.h (pass_reset_cc_flags): New prototype.
12318 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
12319 (reset_cc_flags): New function.
12320 * passes.c (init_optimization_passes): Call reset_cc_flags after
12321 initializing referenced_vars.
12323 2006-03-25 Uros Bizjak <uros@kss-loka.si>
12324 Roger Sayle <roger@eyesopen.com>
12326 PR middle-end/26717
12327 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
12328 to 1.0 for non-real operands. Implement A / A optimization for
12331 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
12333 * config/i386/i386.c (size_cost): Correct the comment for
12334 cost of storing fp registers.
12335 (i386_cost): Likewise.
12336 (i486_cost): Likewise.
12337 (pentium_cost): Likewise.
12338 (pentiumpro_cost): Likewise.
12339 (k6_cost): Likewise.
12340 (athlon_cost): Likewise.
12341 (k8_cost): Likewise.
12342 (pentium4_cost): Likewise.
12343 (nocona_cost): Likewise.
12344 (generic64_cost): Likewise.
12345 (generic32_cost): Likewise.
12347 2006-03-24 Denis Chertykov <denisc@overta.ru>
12349 * config/avr/avr-protos.h (extra_constraint): Delete.
12350 (extra_constraint_Q): New declaration.
12351 * config/avr/constraints.md: New file.
12352 * config/avr/avr.md: Include it.
12353 (REG_X, REG_Y, REG_Z, REG_W): New constants.
12354 (TMP_REGNO, ZERO_REGNO): Likewise.
12355 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
12356 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
12357 (extra_constraint): Delete.
12358 (extra_constraint_Q): Test for memory constraint 'Q'.
12359 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
12360 (REG_CLASS_FROM_LETTER): Delete.
12361 (CONST_OK_FOR_LETTER_P): Delete.
12362 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
12363 (EXTRA_CONSTRAINT): Delete.
12364 (TMP_REGNO): Delete.
12365 (ZERO_REGNO): Delete.
12367 2006-03-24 Jeff Law <law@redhat.com>
12369 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
12370 directly. Call mark_new_vars_to_rename slightly earlier.
12372 2006-03-24 Geoffrey Keating <geoffk@apple.com>
12374 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
12375 (is_cxx): Likewise.
12376 (gen_compile_unit_die): Use new language types for Objective-C and
12378 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
12379 DW_LANG_C_plus_plus.
12382 * config/t-darwin (crt3.o): Work around bug 26840.
12383 * config/darwin-crt3.c: Rewrite.
12384 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
12386 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
12388 * doc/invoke.texi: Document -femit-class-debug-always
12389 * common.opt: Add -femit-class-debug-always.
12391 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
12393 * config/s390/s390.c (s390_decompose_address): Allow SImode for
12394 index and base register.
12395 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
12396 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
12397 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
12398 REGNO_OK_FOR_INDEX_P.
12399 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
12401 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
12402 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
12403 REG_OK_FOR_BASE_P): Definitions removed.
12405 2006-03-24 Jakub Jelinek <jakub@redhat.com>
12407 PR middle-end/26611
12408 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
12409 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
12410 set yet or weren't marked as local yet.
12412 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
12414 * regrename.c (scan_rtx_address): Initialize a variable to shut up
12417 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
12419 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
12420 (rs6000_legitimate_small_data_p): Delete.
12421 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
12422 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
12423 and make static. Add forward declaration. Update uses.
12424 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
12425 of offsettable_memref_p.
12426 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
12427 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
12429 2006-03-24 Jeff Law <law@redhat.com>
12431 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
12432 around bug in immediate-use iterator.
12434 2006-03-24 Alan Modra <amodra@bigpond.net.au>
12437 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
12438 or __LITTLE_ENDIAN__.
12440 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
12442 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
12443 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
12444 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
12445 * config/sh/sh.opt (mdiv=): Amend description.
12446 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
12447 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
12448 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
12449 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
12450 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
12451 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
12452 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
12453 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
12454 TARGET_DIVIDE_CALL_FP.
12456 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12458 * haifa-sched.c (choose_ready): Fix type of the local variable.
12459 Move local variables. Add comment.
12460 (check_reg_live): Change signature. Make callable from debugger.
12461 * sched-int.h (check_reg_live): Update signature.
12462 * sched-ebb.c (check_reg_live): Update parameters.
12463 * sched-rgn.c (check_reg_live): Ditto.
12464 (region_head_or_leaf_p): Check pointer before dereferencing.
12465 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
12466 before reload on optimization levels below 1.
12468 2006-03-23 Richard Henderson <rth@redhat.com>
12470 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
12474 * config/alpha/predicates.md (local_symbolic_operand): Reject
12477 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
12480 * tree-ssa-pre.c (create_value_expr_from): Don't reject
12481 expressions which have overflowed constants.
12483 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
12485 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
12487 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
12489 * cfgloopmanip.c (create_loop_notes): Removed.
12490 * final.c (final_scan_insn): Do not handle loop notes.
12491 * jump.c (squeeze_notes): Ditto.
12492 * cfglayout.c (skip_insns_after_block,
12493 duplicate_insn_chain): Ditto.
12494 * cfgcleanup.c (rest_of_handle_jump2): Do not call
12496 * cfgloop.h (create_loop_notes): Declaration removed.
12498 2006-03-23 Richard Sandiford <richard@codesourcery.com>
12500 * varasm.c (output_constant_pool): Restore fnname and fndecl
12502 (assemble_start_function): Adjust call accordingly.
12503 (assemble_end_function): Likewise.
12505 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12508 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
12511 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
12513 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12516 * system.h (ICE_EXIT_CODE): New macro.
12517 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
12518 (diagnostic_action_after_output): Likewise.
12519 * gcc.c (fatal_ice): New function.
12520 (execute): Use it instead of fatal.
12521 (fancy_abort): Likewise.
12522 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
12524 2006-03-22 Jeff Law <law@redhat.com>
12526 * loop-unroll.c (analyze_iv_to_split_insn): Handle
12527 iv_analyze_result returning false.
12529 2006-03-22 Jie Zhang <jie.zhang@analog.com>
12531 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
12533 2006-03-22 Richard Henderson <rth@redhat.com>
12535 PR middle-end/26084
12536 * except.c (duplicate_eh_regions_0): New.
12537 (duplicate_eh_region_1): Duplicate the children of the node as
12538 well as the node itself. Link them up properly.
12539 (duplicate_eh_region_2): Merge into ...
12540 (duplicate_eh_regions): ... here. Take copy_region argument, and
12541 copy only a sub-tree if asked. Simplify copying and fixup.
12542 (eh_region_outer_p): New.
12543 * except.h (duplicate_eh_regions): Update decl.
12544 (eh_region_outer_p): Declare.
12545 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
12546 (lower_omp_master): Likewise.
12547 (lower_omp_ordered): Likewise.
12548 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
12549 (move_stmt_r): Use it to remap labels. Handle recursion vs
12550 remap_decls_p properly.
12551 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
12552 (find_outermost_region_in_block): New.
12553 (new_label_mapper): New.
12554 (move_sese_region_to_fn): Copy eh information to the new function
12556 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
12558 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
12561 2006-03-22 Richard Sandiford <richard@codesourcery.com>
12563 * doc/md.texi (-mshared): Mention that -mshared code can be linked
12564 into shared libraries.
12566 2006-03-22 Richard Sandiford <richard@codesourcery.com>
12568 * doc/md.texi: Refer to i386/constraints.md instead of
12569 i386/predicates.md.
12570 * config/i386/constraints.md: New file, extracted from...
12571 * config/i386/predicates.md: ...here.
12572 * config/i386/i386.md: Include constraints.md.
12574 2006-03-21 Jason Merrill <jason@redhat.com>
12576 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
12578 PR middle-end/20297
12579 * expr.c (init_block_move_fn): Force default visibility.
12580 (init_block_clear_fn): Likewise.
12581 * builtins.c (expand_builtin_fork_or_exec): Likewise.
12582 * targhooks.c (default_external_stack_protect_fail): Likewise.
12584 2006-03-21 Richard Sandiford <richard@codesourcery.com>
12586 * config/mips/predicates.md (const_call_insn_operand): Allow direct
12587 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
12588 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
12589 Use TARGET_OLDABI instead of !TARGET_NEWABI.
12590 (loadgp): Use mips_current_loadgp_style.
12591 (loadgp_noshared): New pattern.
12592 (sibcall_internal): Use MIPS_CALL.
12593 (sibcall_value_internal): Likewise.
12594 (sibcall_value_multiple_internal): Likewise.
12595 (call_internal): Likewise.
12596 (call_value_internal): Likewise.
12597 (call_value_multiple_internal): Likewise.
12598 (call_split): Use MIPS_CALL and add an 'S' constraint.
12599 (call_value_split): Likewise.
12600 (call_value_multiple_split): Likewise.
12601 * config/mips/mips.opt (-mabicalls): Tweak docstring.
12602 (-mshared): New option.
12603 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
12604 (mips_current_loadgp_style): Declare.
12605 * config/mips/mips.c (mips_classify_symbol): Avoid using
12606 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
12607 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
12608 TARGET_ABSOLUTE_ABICALLS.
12609 (override_options): Adjust comments. Improve the warning that is
12610 issued when -mabicalls and -G are used together.
12611 (mips_file_start): Remove comment.
12612 (mips_current_loadgp_style): New function.
12613 (mips_gnu_local_gp): New variable.
12614 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
12616 (mips_output_function_prologue): Use mips_current_laodgp_style.
12617 (mips_expand_prologue): Call mips_emit_loadgp before emitting
12618 the cprestore instruction.
12619 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
12620 live for TARGET_ABSOLUTE_ABICALLS.
12621 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
12622 (ASM_SPEC): Pass down -mshared and -mno-shared.
12623 (MIPS_CALL): New macro.
12624 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
12626 * doc/invoke.texi (-mabicalls): Update documentation.
12627 (-mshared): Document.
12629 2006-03-21 Steve Ellcey <sje@cup.hp.com>
12631 * config/ia64/unwind-hpux.c: New file.
12632 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
12634 2006-03-21 Steve Ellcey <sje@cup.hp.com>
12637 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
12639 2006-03-21 Jeff Law <law@redhat.com>
12641 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
12642 type conversions of a VR_VARYING source to a wider type.
12644 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
12646 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
12647 tm_file on Solaris 10 and later.
12648 (sparc64-*-solaris2*): Likewise.
12649 (sparc-*-solaris2*): Likewise.
12650 * config/sol26.h: Rename to config/sol2-6.h.
12651 * config/sol2-10.h: New file.
12653 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
12656 * tree-ssa-pre.c (create_component_ref_by_pieces):
12659 2006-03-21 Jakub Jelinek <jakub@redhat.com>
12662 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
12663 return it immediately.
12665 2006-03-21 Michael Matz <matz@suse.de>
12667 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
12669 (remove_arc, add_arc): Update num_out_arcs member.
12670 (set_out_arc_insns_equiv_num): Returns nothing instead of number
12672 (cache_presence): New function.
12673 (compare_states_for_equiv): New function.
12674 (state_is_differed): Don't take number of outargs, adjust callers.
12675 Use new invariant for speeding up.
12676 (init_equiv_class): Create initial classes based on sorted
12678 (partition_equiv_class): Don't track out_arcs_num.
12679 (evaluate_equiv_classes): Call cache_presence on all states and
12682 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
12684 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
12685 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
12686 (bfin_valid_reg_p): Test for pseudos explicitly and use only
12687 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
12689 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
12690 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
12691 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
12692 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
12693 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
12695 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
12696 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
12697 (REGNO_REG_CLASS): ARGP is in PREGS.
12698 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
12700 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
12701 to deal with those addresses.
12702 * addresses.h: New file.
12703 * caller-save.c: Include "addresses.h".
12704 (init_caller_save): Use new base_reg_class function.
12705 * rtl-factoring.c: Include "addresses.h".
12706 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
12707 * recog.c: Include "addresses.h".
12708 (preprocess_constraints): Use new base_reg_class function.
12709 * regrename.c: Include "addresses.h".
12710 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
12711 functions. Keep track of a new var INDEX_CODE to compute valid
12713 (replace_oldest_value_addr): Likewise.
12714 (replace_oldest_value_mem): Use base_reg_class.
12715 * reload.c: Include "addresses.h".
12716 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
12717 (find_reloads): Use new base_reg_class function.
12718 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
12719 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
12720 all callers and prototype changed.
12721 * reload1.c: Include "addresses.h".
12722 (maybe_fix_stack_asms): Use base_reg_class.
12723 * regclass.c: Include "addresses.h".
12724 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
12725 (init_reg_autoinc): Use new base_reg_class function.
12726 (record_reg_classes): Likewise.
12727 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
12728 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
12729 Use new args to compute necessary class.
12731 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
12732 regrename.o, rtl-factoring.o): Update dependencies.
12733 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
12734 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
12735 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
12736 REG_OK_FOR_INDEX_P): Delete documentation.
12738 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
12740 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
12741 from V7 to V9 for Solaris 7 and above.
12743 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
12745 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
12746 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
12747 argument pointers may not alias any other storage.
12748 * common.opt: Define option -fargument-noalias-anything.
12749 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
12750 alias semantics is specified by flag_argument_noalias > 2.
12752 2006-03-20 Jeff Law <law@redhat.com>
12754 * tree-pass.h (pass_phi_only_copy_prop): Delete.
12755 (pass_phi_only_cprop): Declare.
12756 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
12757 with phi_only_cprop
12758 * tree-ssa-dom.c (degenerate_phi_result): New function.
12759 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
12760 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
12761 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
12762 (eliminate_degenerate_phis): Likewise.
12763 (pass_phi_only_cprop): New pass descriptor.
12764 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
12765 support code. Callers updated.
12766 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
12767 (store_copy_prop): Likewise.
12768 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
12770 2006-03-20 Jason Merrill <jason@redhat.com>
12773 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
12774 (push_visibility, pop_visibility): Likewise.
12775 * c-pragma.h: Declare them.
12777 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
12779 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
12781 * config/sh/sh.c (find_regmode_weight): Change the type of the first
12782 parameter and use get_ebb_head_tail.
12783 (sh_md_init_global): Adjust uses of find_regmode_weight.
12785 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
12787 * function.h (struct function) <x_tail_recursion_reentry>:
12788 Rename to x_stack_check_probe_note.
12789 (tail_recursion_reentry): Rename to stack_check_probe_note.
12790 * function.c: Replace tail_recursion_reentry with
12791 stack_check_probe_note everywhere.
12792 (expand_function_start): Only emit a note for
12793 stack_check_probe_note with -fstack-protect.
12794 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
12796 * emit-rtl.c (remove_unnecessary_notes): Remove.
12797 (pass_remove_unnecessary_notes): Remove.
12798 * rtl.h (remove_unnecessary_notes): Remove prototype.
12799 * final.c (final_start_function): Don't call remove_unnecessary_notes.
12800 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
12801 * passes.c (pass_remove_unnecessary_notes): Don't run it.
12803 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
12806 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
12807 (valid_in_set): Handle ARRAY_REF.
12808 Change "if min_variant or VH" to asserts.
12809 (create_component_ref_by_pieces): Handle ARRAY_REF.
12810 (create_expression_by_pieces): Likewise.
12811 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
12813 2006-03-20 David Edelsohn <edelsohn@gnu.org>
12815 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
12816 is operand of switch, not str[0].
12818 2006-03-20 Alan Modra <amodra@bigpond.net.au>
12820 * config/rs6000/rs6000.c (rs6000_handle_option): Use
12821 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
12823 2006-03-19 David Edelsohn <edelsohn@gnu.org>
12825 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
12826 end of insn_extra_address_constraint declaration.
12828 2006-03-19 David Edelsohn <edelsohn@gnu.org>
12830 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
12831 (no-sum-in-toc): Same.
12832 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
12834 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
12835 NO_FP_IN_TOC for -fPIC instead of mask.
12837 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
12838 (BOOT_LDFLAGS): Delete.
12840 * config/rs6000/t-aix52: Same.
12842 * config/rs6000/rs6000.md (store_multiple_power): Delete.
12843 (stmsi[345678]_power): New.
12845 2006-03-17 Steve Ellcey <sje@cup.hp.com>
12847 * config/ia64/ia64.opt: Add empty line to end of file.
12849 2006-03-17 Richard Guenther <rguenther@suse.de>
12851 PR middle-end/26721
12852 * builtins.c (get_pointer_alignment): For component style references
12853 adjust alignment to the component type alignment. Make sure
12854 to adjust alignment for component access of constants.
12856 2006-03-17 David Edelsohn <edelsohn@gnu.org>
12858 * config/rs6000/rs6000.md (strlensi): Emit barrier after
12859 unconditional jump.
12861 2006-03-17 Paul Brook <paul@codesourcery.com>
12863 * doc/install.texi: Docuemnt --with-mode.
12864 * config.gcc: Add --with-mode for arm*-*-*.
12865 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
12867 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
12869 * sh.c (max_labelno_before_reorg): New variable.
12870 (sh_reorg): Initialize it.
12871 (find_barrier): Check max_labelno_before_reorg before using
12872 label_to_alignment. Take length of explicit alignment insns
12873 into account. When seeing a UNSPECV_CONST_END, return it.
12875 * sh.c (fixup_mova): Set mode of affected label to QImode.
12876 (untangle_mova): New function.
12877 (find_barrier): Use it. Check mode of label before decrementing
12879 (sh_reorg): Likewise.
12880 Set mode of all insns back to VOIDmode.
12882 * sh.c (MOVA_LABELREF): New macro.
12883 (mova_p, fixup_mova, sh_reorg): Use it.
12884 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
12885 ADDR_DIFF_VEC matches mova.
12887 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
12889 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
12890 with ATTRIBUTE_UNUSED.
12892 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
12894 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
12895 pointer, instead of assuming it is possible to derive the
12896 correct args size from a call insn.
12898 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
12900 * rtl.h (CONST_INT_P): Define.
12901 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
12902 instead of GET_CODE(x) == CONST_INT.
12903 (vax_rtx_costs): Likewise.
12904 (vax_output_int_move): Likewise.
12905 (vax_output_int_add): Likewise.
12906 (legitimate_constant_address_p): Likewise.
12907 (index_term_p): Likewise.
12908 * config/vax/vax.h (PRINT_OPERAND): Likewise.
12909 * config/vax/vax.md (and<mode>3): Likewise.
12910 (ashrsi3): Likewise.
12912 (movstricthi): Likewise.
12913 (movstrictqi): Likewise.
12914 (rotrsi3): Likewise.
12915 (five unnamed insns): Likewise.
12917 2006-03-16 Geoffrey Keating <geoffk@apple.com>
12919 * doc/tm.texi (SDB and DWARF): Add extra parameter to
12920 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
12921 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
12922 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
12923 Pass to ASM_OUTPUT_DWARF_OFFSET.
12924 * dwarf2out.c (debug_frame_section): New.
12925 (output_call_frame_info): Use debug_frame_section. Pass it to
12926 dw2_asm_output_offset.
12927 (output_die): Pass appropriate section to dw2_asm_output_offset.
12928 (output_compilation_unit_header): Likewise.
12929 (output_pubnames): Likewise.
12930 (output_aranges): Likewise.
12931 (enum dw_val_class): Break dw_val_class_lbl_offset into
12932 dw_val_class_lineptr and dw_val_class_macptr.
12933 (add_AT_lbl_offset): Delete.
12934 (add_AT_lineptr): New.
12935 (add_AT_macptr): New.
12936 (AT_lbl): Expect a lineptr or macptr.
12937 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
12938 (attr_checksum): Likewise.
12939 (same_dw_val_p): Likewise.
12940 (size_of_die): Likewise.
12941 (value_format): Likewise.
12942 (output_die): Likewise.
12943 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
12945 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
12946 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
12947 * config/darwin-protos.h (darwin_file_start): New.
12948 (darwin_asm_output_dwarf_offset): New.
12949 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
12950 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
12952 * config/darwin.c (darwin_emit_unwind_label): Don't output label
12953 if not EH section; simplify.
12954 (darwin_file_start): New.
12955 (darwin_asm_output_dwarf_offset): New.
12956 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
12958 (DEBUG_INFO_SECTION): Likewise.
12959 (DEBUG_ABBREV_SECTION): Likewise.
12960 (DEBUG_ARANGES_SECTION): Likewise.
12961 (DEBUG_MACINFO_SECTION): Likewise.
12962 (DEBUG_LINE_SECTION): Likewise.
12963 (DEBUG_LOC_SECTION): Likewise.
12964 (DEBUG_PUBNAMES_SECTION): Likewise.
12965 (DEBUG_STR_SECTION): Likewise.
12966 (DEBUG_RANGES_SECTION): Likewise.
12967 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
12968 (ASM_OUTPUT_DWARF_OFFSET): New.
12970 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
12972 * config.gcc (tm_defines): Always add to previous value rather
12975 2006-03-16 Richard Sandiford <richard@codesourcery.com>
12977 * config/mips/predicates.md (splittable_const_int_operand): New,
12978 split from move_operand.
12979 (splittable_symbolic_operand): New.
12980 (move_operand): Add commentary. Use splittable_const_int_operand.
12981 Inline mips_atomic_symbolic_constant_p.
12982 * config/mips/mips.md: Add combine splitters for handling moves
12983 of splittable_const_int_operands and splittable_symbolic_operands.
12984 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
12985 (mips_split_symbol): Declare.
12986 (mips_move_integer): Declare.
12987 * config/mips/mips.c (mips_split_p): Make global.
12988 (TARGET_MIN_ANCHOR_OFFSET): Override default.
12989 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
12990 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
12991 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
12992 (mips_offset_within_object_p): Handle block symbols.
12993 (mips_atomic_symbolic_constant_p): Delete.
12994 (mips_cannot_force_const_mem): Return false for constants that
12995 mips_legitimize_move can handle.
12996 (mips_use_blocks_for_constant_p): New function.
12997 (mips_split_symbol): Make global.
12998 (mips_move_integer): Likewise. Add a temporary register argument.
12999 (mips_legitimize_const_move): Use splittable_const_int_operand and
13000 splittable_symbolic_operand.
13001 (mips_use_anchors_for_symbol_p): New function.
13002 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
13003 (mips_split_p): Declare.
13005 2006-03-16 Richard Sandiford <richard@codesourcery.com>
13007 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
13008 (mips*-*-linux*): Likewise.
13010 2006-03-16 Roger Sayle <roger@eyesopen.com>
13011 Daniel Speyer <dspeyer@wam.umd.edu>
13013 PR middle-end/18259
13014 * tree-dump.c (dump_real): New function.
13015 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
13016 * Makefile.in (REAL_H): New macro for dependencies on real.h.
13017 (tree-dump.o): Add $(REAL_H) to the dependencies.
13019 2006-03-16 Roger Sayle <roger@eyesopen.com>
13021 PR middle-end/21781
13022 * real.c (real_from_string): If the mantissa is zero, don't bother
13023 parsing the exponent as the result should always be zero.
13025 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
13027 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
13029 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13031 * config/ia64/ia64.c (stops_p): Added explicit initialization.
13032 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
13033 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
13034 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
13035 ia64_sched_finish_global): New static functions to implement
13036 hooks from gcc_target.sched.
13037 (spec_check_no, max_uid, pending_data_specs): New static variables.
13038 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
13039 ia64_spec_check_src_p): New static functions.
13040 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
13041 (TARGET_SCHED_ADJUST_COST): Removed.
13042 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
13043 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
13044 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
13045 TARGET_SCHED_GEN_CHECK,
13046 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
13047 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
13048 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
13049 Fixed to handle speculation checks.
13050 (rtx_needs_barrier): Fixed to handle speculative loads and
13052 (ia64_variable_issue): Added code to count speculative loads and their
13054 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
13056 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
13058 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
13060 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
13061 (ia64_reorg): Reset stops_p to NULL after it is freed.
13062 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
13063 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
13064 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
13066 (data_speculative, control_speculative, check_load): New attributes.
13067 (mov<mode>_advanced, mov<mode>_speculative,
13068 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
13069 zero_extend<mode>di2_speculative,
13070 zero_extend<mode>di2_speculative_advanced): New patterns for
13071 data and control speculative loads.
13072 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
13074 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
13075 New pattern for data and control speculation checks.
13076 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
13077 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
13078 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
13079 Auxiliary definitions for the patterns.
13080 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
13081 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
13083 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
13085 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
13086 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
13087 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
13088 New resource constraints.
13089 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
13091 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
13092 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
13093 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
13094 msched-in-control-spec, msched-ldc, msched-control-ldc,
13095 msched-spec-verbose, msched-prefer-non-data-spec-insns,
13096 msched-prefer-non-control-spec-insns,
13097 msched-count-spec-in-critical-path): New flags to tune speculative
13099 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
13100 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
13101 msched-in-control-spec, msched-ldc, msched-control-ldc,
13102 msched-spec-verbose, msched-prefer-non-data-spec-insns,
13103 msched-prefer-non-control-spec-insns,
13104 msched-count-spec-in-critical-path): Document new flags.
13106 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13108 * target.h (struct spec_info_def): New opaque declaration.
13109 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
13110 speculate_insn, needs_block_p, gen_check,
13111 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
13112 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
13113 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
13114 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
13115 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
13116 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
13118 (TARGET_SCHED): Use new macros.
13119 * rtl.h (copy_DEPS_LIST_list): New prototype.
13120 * sched-int.h (struct sched_info): Change signature of new_ready field,
13121 adjust all initializations. New fields: add_remove_insn,
13122 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
13123 region_head_or_leaf_p.
13124 (struct spec_info_def): New structure declaration.
13125 (spec_info_t): New typedef.
13126 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
13127 recovery_block, orig_pat.
13128 (glat_start, glat_end): New variables declaraions.
13129 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
13131 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
13132 DETACH_LIFE_INFO, USE_GLAT.
13133 (enum SPEC_SCHED_FLAGS): New enumeration.
13134 (NOTE_NOTE_BB_P): New macro.
13135 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
13136 attach_life_info, debug_spec_status, check_reg_live): New functions.
13137 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
13138 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
13140 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
13141 * ddg.c (get_block_head_tail): Adjust all uses.
13142 * modulo-sched.c (get_block_head_tail): Adjust all uses.
13143 (sms_sched_info): Initialize new fields.
13144 (contributes_to_priority): Removed.
13145 * haifa-sched.c (params.h): New include.
13146 (get_block_head_tail): Adjust all uses.
13147 (ISSUE_POINTS): New macro.
13148 (glat_start, glat_end): New global variables.
13149 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
13150 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
13151 old_last_basic_block, before_recovery, current_sched_info_var,
13152 rgn_n_insns, luid): New static variables.
13153 (insn_cost1): New function. Move logic from insn_cost to here.
13154 (find_insn_reg_weight1): New function. Move logic from
13155 find_insn_reg_weight to here.
13156 (reemit_notes, move_insn, max_issue): Change signature.
13157 (move_insn1): Removed.
13158 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
13159 extend_bb): New static functions to support extension of scheduler's
13161 (generate_recovery_code, process_insn_depend_be_in_spec,
13162 begin_speculative_block, add_to_speculative_block,
13163 init_before_recovery, create_recovery_block, create_check_block_twin,
13164 fix_recovery_deps): New static functions to support
13165 generation of recovery code.
13166 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
13167 restore_bb_notes, move_block_after_check, move_succs): New static
13168 functions to support ebb scheduling.
13169 (init_glat, init_glat1, attach_life_info1, free_glat): New static
13170 functions to support handling of register live information.
13171 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
13172 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
13173 add_jump_dependencies): New static functions.
13174 (check_cfg, has_edge_p, check_sched_flags): New static functions for
13175 consistancy checking.
13176 (debug_spec_status): New function to call from debugger.
13177 (priority): Added code to handle speculation checks.
13178 (rank_for_schedule): Added code to distinguish speculative instructions.
13179 (schedule_insn): Added code to handle speculation checks.
13180 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
13181 Fixed to handle ebbs.
13182 (move_insn): Added code to handle ebb scheduling.
13183 (max_issue): Added code to use ISSUE_POINTS of instructions.
13184 (choose_ready): Added code to choose between speculative and
13185 non-speculative instructions.
13186 (schedule_block): Added code to handle ebb scheduling and scheduling of
13187 speculative instructions.
13188 (sched_init): Initialize new variables.
13189 (sched_finish): Free new variables. Print statistics.
13190 (try_ready): Added code to handle speculative instructions.
13191 * lists.c (copy_DEPS_LIST_list): New function.
13192 * sched-deps.c (extend_dependency_caches): New function. Move logic
13193 from create_dependency_caches to here.
13194 (get_dep_weak, ds_merge): Make global.
13195 * genattr.c (main): Code to output prototype for
13196 dfa_clear_single_insn_cache.
13197 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
13198 (output_dfa_clean_insn_cache_func): Code to output
13199 dfa_clear_single_insn_cache function.
13200 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
13202 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
13204 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
13205 New static variables.
13206 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
13207 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
13209 (ebb_sched_info): Initialize new fields.
13210 (get_block_head_tail): Adjust all uses.
13211 (compute_jump_reg_dependencies): Fixed to use glat_start.
13212 (schedule_ebb): Code to remove unreachable last block.
13213 (schedule_ebbs): Added code to update register live information.
13214 * sched-rgn.c (region_sched_info): Initialize new fields.
13215 (get_block_head_tail): Adjust all uses.
13216 (last_was_jump): Removed. Adjust users.
13217 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
13218 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
13219 Implement new hooks.
13220 (check_dead_notes1): New static function.
13221 (struct region): New fields: dont_calc_deps, has_real_ebb.
13222 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
13223 (BB_TO_BLOCK): Fixed to handle EBBs.
13224 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
13225 (ebb_head): New static variable.
13226 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
13227 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
13229 (compute_dom_prob_ps): New assertion.
13230 (check_live_1, update_live_1): Fixed to work with glat_start instead of
13231 global_live_at_start.
13232 (init_ready_list): New assertions.
13233 (can_schedule_ready_p): Split update code to begin_schedule_ready.
13234 (new_ready): Add support for BEGIN_CONTROL speculation.
13235 (schedule_insns): Fixed code that updates register live information
13237 (schedule_region): Fixed to handle EBBs.
13238 (init_regions): Use extend_regions and check_dead_notes1.
13239 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
13240 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
13241 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
13242 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
13243 TARGET_SCHED_GEN_CHECK,
13244 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
13245 TARGET_SCHED_SET_SCHED_FLAGS): Document.
13246 * doc/invoke.texi (max-sched-insn-conflict-delay,
13247 sched-spec-prob-cutoff): Document.
13249 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13251 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
13252 inter_tick, queue_index.
13253 (struct sched_info): Change signature of init_ready_list field.
13254 Adjust all initializations.
13255 (RESOLVED_DEPS): New access macro.
13256 (ready_add): Remove prototype.
13257 (try_ready): Add prototype.
13258 * sched-rgn.c (init_ready_list): Use try_ready.
13259 (schedule_region): Initialize
13260 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
13261 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
13262 (init_ready_list): Use try_ready.
13263 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
13264 * lists.c (remove_list_elem): Remove `static'.
13265 (remove_free_INSN_LIST_elem): New function.
13266 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
13267 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
13268 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
13270 (readyp): New variable.
13271 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
13272 change_queue_index, resolve_dep): New static functions.
13273 (try_ready): New function. Adjust callers in sched-rgn.c and
13274 sched-ebb.c to use it instead of ready_add.
13275 (clock_var): Move at the begining of file.
13276 (rank_for_schedule): Fix typo.
13277 (queue_insn): Add assertion. Handle QUEUE_INDEX.
13278 (ready_lastpos): Enforce assertion.
13279 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
13280 update all callers.
13281 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
13282 (schedule_insn): Rewrite to use try_ready and resolve_dep.
13283 (queue_to_ready): Use free_INSN_LIST_list.
13284 (early_queue_to_ready): Fix typo.
13285 (schedule_block): Init readyp. Move init_ready_list call after the
13286 initialization of clock_var. Fix error in rejecting insn by
13287 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
13288 that previously corrected INSN_TICKs. Add code for handling
13290 (set_priorities): Fix typo.
13291 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
13292 Clarify comment and code that keeps current_sched_info->next_tail
13295 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13297 * sched-rgn.c (extend_rgns): New static function.
13298 (find_rgns): Use it.
13299 (gather_region_statistics, print_region_statistics): New static
13301 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
13302 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
13304 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13305 Andrey Belevantsev <abel@ispras.ru>
13307 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
13308 * lists.c (unused_deps_list): New variable.
13309 (free_list): Add assertions to verify the proper distinguishing
13310 between INSN_LISTs and DEPS_LISTs.
13311 (find_list_elem, remove_list_elem, remove_list_node): New static
13313 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
13314 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
13315 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
13316 (alloc_INSN_LIST): Assert that the list we're working on is indeed
13318 (free_INSN_LIST_node): Likewise.
13319 * modulo-sched.c (current_sched_info): Initialize flags field.
13320 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
13321 * rtl.def (DEPS_LIST): Define.
13322 * rtl.h: Declare new functions from lists.c.
13323 * sched-deps.c (spec_dependency_cache): New static variable.
13324 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
13325 (add_dependence): Change return type to void. Move the logic to ...
13326 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
13327 (delete_all_dependences): Add comment about forward_dependency_cache.
13328 Handle spec_dependency_cache. Handle DEPS_LISTs.
13329 (fixup_sched_groups): Clarify the change of priority of output
13330 and anti dependencies.
13331 (sched_analyze_2): Adjust add_dependence calls to create data
13332 speculative dependence.
13333 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
13334 Adjust all callers. Handle DEPS_LISTS.
13335 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
13336 presence of speculation.
13337 (init_dependency_caches, free_dependency_caches):
13338 Handle spec_dependency_cache.
13339 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
13340 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
13341 New static functions.
13342 (add_or_update_back_dep, add_or_update_back_forw_dep,
13343 add_back_forw_dep, delete_back_forw_dep): New functions.
13344 * sched-int.h (ds_t, dw_t): New typedefs.
13345 (struct sched_info): Add new field flags.
13346 (struct haifa_insn_data): Add new bitfield has_internal_dep.
13347 Prototype new sched-deps.c functions.
13348 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
13349 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
13350 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
13351 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
13352 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
13353 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
13355 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
13357 * sched-rgn.c (current_sched_info): Initialize flags field.
13358 (schedule_insns): Initialize current_sched_info before the sched_init
13360 * sched-ebb.c (current_sched_info): Initialize flags field.
13361 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
13362 Call add_or_update_back_dep instead of add_dependence.
13363 Create control speculative dependencies.
13364 (schedule_insns): Initialize current_sched_info before the sched_init
13367 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
13369 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
13371 (sh_fallback_frame_state): Likewise.
13373 2006-03-15 Geoffrey Keating <geoffk@apple.com>
13375 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
13376 Do switch on default_use_cxa_atexit.
13377 (powerpc*-*-darwin*): Build crt2.o on powerpc.
13378 * config/darwin-crt3.o: New.
13379 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
13380 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
13381 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
13383 * config/rs6000/t-darwin: Move crt2.o building to here.
13384 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
13385 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
13388 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
13390 * config/vax/vax.c (nonindexed_address_p): Change logical negation
13391 from '! xxx' to '!xxx' for coding-style conformance.
13392 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
13393 (EXTRA_CONSTRAINT): Likewise.
13394 * config/vax/vax.md (four unnamed insns): Likewise.
13396 2006-03-15 Paul Brook <paul@codesourcery.com>
13398 * config/arm/arm.c (minipool_pad): New.
13399 (add_minipool_forward_ref): Include pool alignment padding in address
13401 (push_minipool_fix): Set minipool_pad.
13402 (minipool_pad): Ditto.
13404 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
13406 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
13407 instead of GET_CODE() == MEM and REG_P() instead of
13409 (print_operand_address): Likewise.
13410 (vax_address_cost): Likewise.
13411 (vax_rtx_costs): Likewise.
13412 (vax_notice_update_cc): Likewise.
13413 (vax_output_int_add): Likewise.
13414 (INDEX_REGISTER_P): Likewise.
13415 (BASE_REGISTER_P): Likewise.
13416 (nonindexed_address_p): Likewise.
13417 (vax_mode_dependent_address_p): Likewise.
13418 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
13419 (PRINT_OPERAND): Likewise.
13420 * config/vax/vax.md (ashlsi3): Likewise.
13421 (ashlsi3): Likewise.
13422 (some more unnamed insns): Likewise.
13424 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
13426 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
13427 iterator-style macro.
13428 (mark_control_dependent_edges_necessary): Update the use of
13429 EXECUTE_IF_CONTROL_DEPENDENT.
13431 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
13433 * config/sh/predicates.md (cache_address_operand): Special.
13434 (ua_address_operand): Likewise.
13436 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
13438 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
13440 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
13442 2006-03-15 Andreas Schwab <schwab@suse.de>
13444 * gensupport.c (identify_predicable_attribute): Don't free p_false
13445 when it is still in use.
13447 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
13449 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
13450 the default setting here.
13452 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
13454 * tree-pass.h (pass_cfg): Remove.
13455 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
13456 * passes.c (pass_cfg): Don't run it.
13458 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
13460 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
13461 * reg-stack.c (stack_regs_mentioned_data): Change the type to
13463 (stack_regs_mentioned): Update the uses of
13464 stack_regs_mentioned_data. Don't access the array beyond its
13466 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
13467 Don't include gt-reg-stack.h.
13469 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
13470 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
13472 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
13474 PR middle-end/26684
13475 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
13478 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13480 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
13482 2006-03-14 Richard Guenther <rguenther@suse.de>
13484 PR tree-optimization/26672
13485 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
13488 2006-03-14 Richard Guenther <rguenther@suse.de>
13490 PR tree-optimization/26667
13491 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
13492 node for the callees. Always allow inlining if it will shrink
13495 2006-03-14 Richard Guenther <rguenther@suse.de>
13497 PR middle-end/26659
13498 * builtins.c (get_pointer_alignment): Prefer alignment
13499 information from decls over that from types.
13501 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
13504 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
13506 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
13508 * config/rs6000/rs6000.opt (mdlmzb): New option.
13509 (msched-prolog, msched-epilog): Use Var not Mask.
13510 * doc/invoke.texi (-mdlmzb): Document.
13511 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
13513 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
13514 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
13516 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
13518 PR rtl-optimization/25739
13519 * bt-load.c (augment_live_range): Free tos pointer.
13521 * gensupport.c (identify_predicable_attribute): Free
13523 * gcov.c (create_file_names): Free name pointer.
13525 2006-03-13 Roger Sayle <roger@eyesopen.com>
13527 PR middle-end/26557
13528 * stmt.c (emit_case_nodes): Handle the case where the index is a
13529 CONST_INT, where the comparison mode is specified by the index type.
13531 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13533 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
13536 2006-03-13 Richard Sandiford <richard@codesourcery.com>
13538 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
13539 (*branch_fp_inverted): Likewise.
13541 2006-03-13 Jakub Jelinek <jakub@redhat.com>
13543 PR middle-end/25989
13544 * omp-low.c (expand_omp_for_generic): Mark istart0
13545 and iend0 as addressable.
13547 2006-03-13 Jie Zhang <jie.zhang@analog.com>
13549 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
13551 2006-03-13 Jeff Law <law@redhat.com>
13553 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
13554 virtual operands are interesting.
13555 (vrp_visit_stmt): Corresponding changes.
13557 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
13559 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
13561 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
13562 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
13563 * config/bfin/crti.S: Use it instead of __PIC__.
13564 * config/bfin/crtn.S: Likewise.
13566 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
13567 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
13569 Lose 'G' modifier for call operand.
13570 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
13571 recognize 'G' modifier.
13573 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
13575 PR middle-end/18859
13576 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
13577 * stmt.c (expand_case): Likewise.
13579 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13581 PR rtl-optimization/26254
13582 * loop-invariant.c (seq_insns_valid_p): New function.
13583 (move_invariant_reg): Only emit new code if it is valid.
13585 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13587 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
13589 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
13590 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
13591 (commit_one_edge_insertion): Do not look for loop notes.
13593 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13595 * jump.c (follow_jumps): Do not check for loop notes. Move check for
13596 flag_test_coverage out of loop.
13598 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13600 * final.c (shorten_branches): Remove outdated comment, and turn
13601 the if branch that guards it to continue.
13603 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13605 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
13606 * cfgloop.h (struct loop): Remove unused fields.
13608 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
13610 * doc/invoke.texi (-fdump-rtl-loop): Remove.
13611 (-dL, -fdump-rtl-loop2): Update the dump file names
13613 * doc/invoke.texi: Update dump file names.
13615 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
13617 * predict.c (estimate_probability): Remove.
13618 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
13619 * basic-block.h (estimate_probability): Remove prototype.
13620 * passes.c (finish_optimization_passes): Dump branch prediction or
13621 profiling heuristics to the .profile tree dump.
13622 (init_optimization_passes): Unqueue pass_branch_prob.
13624 * doc/invoke.texi (-fdump-rtl-bp): Remove.
13626 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
13628 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
13629 * rtl.h (LABEL_NEXTREF): Remove field accessor.
13631 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
13633 * function.h (frame_offset_overflow): Declare.
13634 * function.c (frame_offset_overflow): New function.
13635 (assign_stack_local_1): Call it to detect that the offset overflows.
13636 * cfgexpand.c (alloc_stack_frame_space): Likewise.
13638 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
13640 * config/sh/sh.c: Include alloc-pool.h.
13641 (label_ref_list_pool): New alloc pool.
13642 (label_ref_list_t): New type for lists of labels.
13643 (struct pool_node): Make wend a label_ref_list_t.
13644 (add_constant): Use the new type, eradicate LABEL_NEXTREF
13646 (dump_table): Likewise.
13647 (sh_reorg): Set up the alloc pool before using add_constant and
13648 dump_table, and destroy it when finishing.
13650 2006-03-11 Richard Sandiford <richard@codesourcery.com>
13652 * config/mips/mips.c: Remove redundant comment.
13654 2006-03-10 Jason Merrill <jason@redhat.com>
13657 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
13658 the target was declared 'register'.
13660 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
13662 * genpreds.c (write_insn_constraint_len): Change definition of
13663 insn_constraint_len to return size_t to match the declaration.
13665 2006-03-10 DJ Delorie <dj@redhat.com>
13667 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
13669 (m32c_expand_insv): Fix test for an AND mask.
13671 2006-03-10 Richard Guenther <rguenther@suse.de>
13673 PR middle-end/26565
13674 * builtins.c (get_pointer_alignment): Handle component
13675 references for field alignment.
13677 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
13679 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
13680 when building with libgloss.
13681 (sh*elf): Implement --without-fp option.
13682 (sh64-superh-linux*): Don't multilib.
13684 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
13686 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
13688 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
13690 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
13691 Set it when one of the replacement functions returned true.
13692 Return TODO_cleanup_cfg if cfgchanged is true.
13693 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
13695 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
13697 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
13698 instead of gen_lowpart.
13700 2006-03-09 Richard Sandiford <richard@codesourcery.com>
13702 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
13704 (mips_output_order_conditional_branch): Declare.
13705 * config/mips/mips.h (MIPS_BRANCH): New macro.
13706 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
13707 for the comparison. Use gen_condjump.
13708 (mips_output_conditional_branch): Rework interface to take the
13709 asm templates for a direct branch and the inverse of a direct branch.
13710 (mips_output_order_conditional_branch): New function.
13711 (mips_builtin_branch_and_move): New function.
13712 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
13713 branch condition. Use gen_single_cc as the condition for
13714 __builtin_mips_upper_* or __builtin_mips_lower_*.
13715 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
13716 Use VOIDmode for the branch condition.
13717 * config/mips/predicates.md (order_operator): New predicate.
13718 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
13719 (branch_fp): Rename to...
13720 (*branch_fp): ...this. Remove mode from comparison operator.
13721 Use new mips_output_conditional_branch interface.
13722 (branch_fp_inverted): Rename to...
13723 (*branch_fp_inverted): ...this and update as for *branch_fp.
13724 (*branch_zero<mode>): Rename to...
13725 (*branch_order<mode>): ...this. Remove mode from comparison operator.
13726 Use mips_output_order_conditional_branch. Only accept ordered
13728 (*branch_zero<mode>_inverted): Rename to...
13729 (*branch_order<mode>_inverted): ...this and update as for
13730 *branch_order<mode>.
13731 (*branch_equality<mode>): Accept zero as the second operand to
13732 the equality operator. Use the new mips_output_conditional_branch
13734 (*branch_equality<mode>_inverted): Likewise.
13735 (condjump): New expander.
13736 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
13738 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
13739 (bc1any2t, bc1any2f): Likewise.
13740 (single_cc): New expander.
13741 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
13743 2006-03-09 Richard Sandiford <richard@codesourcery.com>
13745 * doc/md.texi: Update documentation of MIPS constraints.
13746 * config/mips/constraints.md: New file.
13747 * config/mips/mips.md: Include it.
13748 * config/mips/mips.c (mips_char_to_class): Delete.
13749 (override_options): Don't initialize mips_char_to_class.
13750 * config/mips/mips.h (mips_char_to_class): Delete.
13751 (REG_CLASS_FROM_LETTER): Delete.
13752 (CONST_OK_FOR_LETTER_P): Delete.
13753 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
13754 (EXTRA_CONSTRAINT_Y): Delete.
13755 (EXTRA_CONSTRAINT_STR): Delete.
13756 (CONSTRAINT_LEN): Delete.
13757 (EXTRA_MEMORY_CONSTRAINT): Delete.
13759 2006-03-09 Diego Novillo <dnovillo@redhat.com>
13761 * tree-cfg.c (move_block_to_fn): Remove the statements from the
13762 original fn's eh regions.
13764 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
13766 * fold-const.c (build_range_check): Make sure to use a valid type to
13767 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
13770 (range_predecessor): New static function.
13771 (range_successor): Likewise.
13772 (merge_ranges): Use them to compute predecessors and successors of
13775 2006-03-09 Roger Sayle <roger@eyesopen.com>
13777 PR middle-end/26561
13778 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
13779 X op C3, consider whether C3 overflows towards +Inf or -Inf.
13781 2006-03-08 DJ Delorie <dj@redhat.com>
13783 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
13784 (addpsi3): Expand to include memory operands. Remove
13785 reload-specific splits.
13786 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
13787 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
13788 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
13789 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
13790 (shift1_qi, shift1_hi, insv): New.
13791 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
13792 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
13793 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
13795 * config/m32c/m32c-protos.h: Update as needed.
13796 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
13797 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
13798 Fail for unrecognized R* constraints.
13799 (m32c_cannot_change_mode_class): Be more picky about pseudos.
13800 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
13801 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
13803 (m32c_init_libfuncs): New.
13804 (m32c_legitimate_address_p): Add debug wrapper.
13805 (m32c_rtx_costs): New.
13806 (m32c_address_cost): New.
13807 (conversions): Add 'B' prefix.
13808 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
13809 operands, or word regnames for QI operands. 'B' prints bit
13811 (m32c_expand_setmemhi): New.
13812 (m32c_expand_movmemhi): New.
13813 (m32c_expand_movstr): New.
13814 (m32c_expand_cmpstr): New.
13815 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
13816 (m32c_expand_neg_mulpsi3): Handle non-ints.
13817 (m32c_cmp_flg_0): New.
13818 (m32c_expand_movcc): New.
13819 (m32c_expand_insv): New.
13820 (m32c_scc_pattern): New.
13821 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
13822 a0/a1 out of SIregs.
13823 (STORE_FLAG_VALUE): New.
13824 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
13827 * config/m32c/mov.md: Make constraints more liberal.
13828 (zero_extendqihi2): Optimize r0/r1 case.
13829 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
13830 * config/m32c/predicates.md (m32c_any_operand): New.
13831 (m32c_nonimmediate_operand): New.
13832 (m32c_hl_operand): New.
13833 (m32c_r3_operand): New.
13836 (memsym_operand): New.
13837 (memimmed_operand): New.
13838 (a_qi_operand): New.
13839 (m32c_eqne_operator): New.
13840 (m32c_1bit8_operand): New.
13841 (m32c_1bit16_operand): New.
13842 (m32c_1mask8_operand): New.
13843 (m32c_1mask16_operand): New.
13844 * config/m32c/blkmov.md: New file.
13845 * config/m32c/t-m32c (MD_FILES): Add blkmov.
13847 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
13849 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
13850 unsigned to fix signed/unsigned comparison issue in
13851 DWARF2_FRAME_REG_OUT.
13852 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
13853 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
13855 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
13856 of ptr into the ENABLE_CHECKING section.
13858 2006-03-08 Jeff Law <law@redhat.com>
13860 * tree-vrp.c (infer_value_range): Only count pointer uses
13861 and dereferences if -fdelete-null-pointer-checks is enabled.
13863 * tree-vrp.c (find_assert_locations): Infer value ranges for
13864 single use pointers, but do not create ASSERT_EXPRs for them.
13865 When a non-null range is inferred for a pointer, backwards
13866 propagate that range to other equivalent pointers through the
13869 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
13872 * Makefile.in (dvi, html, install-info): Invoke the corresponding
13873 language hook targets.
13874 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
13875 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
13876 if language hook targets were missing.
13878 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
13880 * tree-ssa-opfinalize.h: Removed.
13881 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
13883 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
13884 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
13885 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
13886 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
13887 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
13888 finalize_ssa_v_must_def_ops): New.
13890 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
13892 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
13893 block as parameter.
13895 2006-03-07 Geoffrey Keating <geoffk@apple.com>
13897 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
13899 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
13900 addresses with offsets; reorganize.
13902 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
13903 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
13904 (expand_builtin_init_dwarf_reg_sizes): Likewise.
13906 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
13909 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
13911 2006-03-08 Ben Elliston <bje@au.ibm.com>
13913 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
13915 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
13918 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
13921 2006-03-07 Richard Guenther <rguenther@suse.de>
13923 PR tree-optimization/26587
13924 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
13926 2006-03-07 Richard Sandiford <richard@codesourcery.com>
13928 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
13930 2006-03-07 Richard Sandiford <richard@codesourcery.com>
13932 * hooks.c (hook_bool_mode_rtx_true): New function.
13933 * hooks.h (hook_bool_mode_rtx_true): Declare.
13934 * toplev.c (compile_file): Call output_shared_constant_pool.
13935 * varasm.c (shared_constant_pool): New variable.
13936 (assemble_start_function, assemble_end_function): Remove arguments
13937 from call to output_constant_pool.
13938 (create_constant_pool): New function, split out from...
13939 (init_varasm_status): ...here.
13940 (force_const_mem): Choose between the shared and per-function constant
13941 pools. Set current_function_uses_const_pool when reusing old entries
13942 as well as when creating new ones.
13943 (mark_constant): Ignore data argument.
13944 (mark_constants): Remove pool argument.
13945 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
13946 to decide whether the function uses a constant pool.
13947 (output_constant_pool_contents): New function, split out from...
13948 (output_constant_pool): ...here.
13949 (output_shared_constant_pool): New function.
13950 (init_varasm_once): Initialize shared_constant_pool.
13951 * output.h (output_constant_pool): Delete.
13952 (output_shared_constant_pool): Declare.
13953 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
13954 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
13956 2006-03-06 Nick Clifton <nickc@redhat.com>
13958 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
13959 flag_strength_reduce.
13961 2006-03-06 Ben Elliston <bje@au.ibm.com>
13963 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
13964 x86_64-*-linux* configurations.
13966 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
13967 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
13969 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13971 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
13973 * basic-block.h: Remove the extern for
13974 rediscover_loops_after_threading.
13976 * cfgloop.c (cancel_loop): Make it static.
13977 * cfgloop.h: Remove the prototype for cancel_loop.
13979 * flow.c (recompute_reg_usage): Make it static.
13980 * rtl.h: Remove the prototype for recompute_reg_usage.
13982 * function.c (use_return_register): Make it static.
13983 * function.h: Remove the prototype.
13985 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13987 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
13989 * recog.h: Remove the prototype for
13990 validate_change_maybe_volatile.
13992 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13994 * rtlanal.c (replace_reg): Remove.
13995 * rtl.h: Remove the prototype for replace_reg.
13997 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13999 * regclass.c (reg_scan_update): Remove.
14000 (reg_scan_mark_refs): Remove the last argument.
14001 * rtl.h: Remove the prototype for reg_scan_update.
14003 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
14005 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
14006 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
14007 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
14008 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
14009 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
14010 loop-invariant.c, omp-low.c, opts.c, passes.c,
14011 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
14012 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
14013 tree-ssa-structalias.c, tree-ssa-threadedge.c,
14014 tree-ssa-threadupdate.c, tree-vect-patterns.c,
14015 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
14016 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
14018 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
14020 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
14021 * dwarf2out.h: Remove the prototype for
14022 dwarf2out_add_library_unit_info.
14024 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
14026 * tree.c (add_var_to_bind_expr): Remove.
14027 * tree.h: Remove the prototype for add_var_to_bind_expr.
14029 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
14031 * regclass.c (n_non_fixed_regs): Remove.
14032 (init_reg_sets_1, globalize_reg): Remove all uses of
14034 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
14036 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
14038 * rtlanal.c (insns_safe_to_move_p): Remove.
14039 * rtl.h: Remove the prototype for insns_safe_to_move_p.
14041 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
14043 * expmed.c (expand_mult_add): Remove.
14044 * expr.h: Remove the prototype for expand_mult_add.
14046 2006-03-04 Jakub Jelinek <jakub@redhat.com>
14048 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
14049 and REG_SAVED_VAL_EXP constants.
14050 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
14051 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
14052 Handle regs stored by value.
14053 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
14054 (execute_cfa_program): Handle DW_CFA_val_offset,
14055 DW_CFA_val_offset_sf and DW_CFA_val_expression.
14056 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
14057 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
14058 (uw_install_context_1): Handle target regs stored by value.
14060 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
14062 * tree-sra.c (tree_sra): Return todoflags;
14063 (generate_one_element): Set TODO_update_smt_usage if needed.
14064 (pass_sra): Remove TODO_update_smt_usage.
14065 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
14067 (tree_ssa_forward_propagate_single_use_vars): Return
14068 TODO_update_smt_usage if we need to update SMT usage.
14069 (pass_forwprop): Remove TODO_update_smt_usage.
14071 2006-03-03 Diego Novillo <dnovillo@redhat.com>
14073 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
14074 (correct_use_link): Remove reference to get_stmt_operands.
14075 (update_stmt_operands): Likewise.
14076 (get_modify_expr_operands): New function factored out of
14077 parse_ssa_operands and get_expr_operands.
14078 Try to create V_MUST_DEFs for LHS by default.
14079 (get_expr_operands) <case MODIFY_EXPR>: Call
14080 get_modify_expr_operands.
14081 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
14082 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
14083 (parse_ssa_operands) <case MODIFY_EXPR>: Call
14084 get_modify_expr_operands.
14086 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
14088 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
14089 * tree-flow.h: Remove the prototype for
14090 referenced_var_lookup_if_exists.
14092 2006-03-03 Steve Ellcey <sje@cup.hp.com>
14094 PR rtl-optimization/26345
14096 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
14098 2006-03-03 Roger Sayle <roger@eyesopen.com>
14100 PR tree-optimization/26524
14101 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
14102 fold_convert to create a constant of the appropriate type.
14104 2006-03-03 Richard Sandiford <richard@codesourcery.com>
14106 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
14107 SYMBOL_REF_IN_BLOCK_P.
14108 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
14109 of SYMBOL_FLAG_IN_BLOCK.
14110 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
14111 instead of SYMBOL_REF_IN_BLOCK_P.
14112 * explow.c (use_anchored_address): Likewise.
14113 * rtl.c (rtx_size): Likewise.
14114 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
14115 instead of SYMBOL_FLAG_IN_BLOCK.
14116 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
14117 SYMBOL_REF_IN_BLOCK_P.
14118 (assemble_variable): Likewise.
14119 (output_constant_def_contents): Likewise.
14120 (output_constant_pool): Likewise.
14121 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
14122 instead of SYMBOL_FLAG_IN_BLOCK.
14123 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
14124 SYMBOL_REF_IN_BLOCK_P.
14125 (SYMBOL_REF_BLOCK): Likewise.
14126 (SYMBOL_REF_OFFSET): Likewise.
14127 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
14128 SYMBOL_REF_IN_BLOCK_P.
14129 (SYMBOL_FLAG_IN_BLOCK): Replace with...
14130 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
14131 (SYMBOL_REF_IN_BLOCK_P): Replace with...
14132 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
14134 2006-03-03 Jakub Jelinek <jakub@redhat.com>
14136 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
14138 2006-03-02 Roger Sayle <roger@eyesopen.com>
14140 * simplify-rtx.c (simplify_unary_operation): When simplifying
14141 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
14142 that we perform the right shift in the appropriate mode, and
14143 then extend or truncate the result to requested mode.
14145 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
14147 * gengtype.c (main): Handle double_int type.
14148 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
14149 * double-int.c: New file.
14150 * double-int.h: New file.
14151 * system.h: Include doubleint.h.
14152 * Makefile.in (SYSTEM_H): Include double-int.h.
14153 (double-int.o): Add.
14155 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
14158 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
14161 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
14163 * tree-vrp.c (remove_range_assertions): Do not update statements
14166 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
14168 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
14170 * gcse.c (rest_of_handle_gcse): Ditto.
14171 * except.c (gate_handle_eh): Ditto.
14172 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
14173 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
14175 2006-03-02 Eric Christopher <echristo@apple.com>
14177 * config/i386/i386.c (machopic_output_stub): Add indirection to
14180 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
14184 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
14186 Sun Niagara specific optimizations.
14187 * config.gcc: Recognize niagara as target.
14188 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
14189 (TARGET_CPU_niagara): Define.
14190 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
14191 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
14192 (CPP_CPU_SPEC): Handle -mcpu=niagara.
14193 (ASM_CPU_SPEC): Likewise.
14194 (PROCESSOR_NIAGARA): New enum entry.
14195 (REGISTER_MOVE_COST): Handle Niagara.
14196 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
14197 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
14198 (sparc_override_options): Recognize "niagara", set appropriate
14199 default MASK_* values for it, and align functions to 32-bytes
14200 by default just like ULTRASPARC/ULTRASPARC3.
14201 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
14202 (sparc64_initialize_trampoline): Likewise.
14203 (sparc_use_sched_lookahead): Use zero for niagara.
14204 (sparc_issue_rate): Use one for niagara.
14205 * config/sparc/niagara.md: New file.
14206 * config/sparc/sparc.md: Include it.
14207 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
14208 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
14209 when default cpu is niagara.
14210 (CPP_CPU_SPEC): Handle -mcpu=niagara.
14211 (ASM_CPU_SPEC): Likewise.
14212 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
14213 when default cpu is niagara.
14214 (ASM_CPU_SPEC): Handle -mcpu=niagara.
14215 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
14216 just like v9/ultrasparc/ultrasparc3.
14217 * doc/invoke.texi: Add documentation for "niagara" and improve
14218 existing documentation for ultrasparc variants.
14220 2006-03-02 Diego Novillo <dnovillo@redhat.com>
14222 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
14224 2006-03-02 Richard Sandiford <richard@codesourcery.com>
14226 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
14227 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
14228 and say that only one is needed.
14229 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
14230 * target.h (have_switchable_bss_sections): New hook.
14231 * explow.c (use_anchored_address): Check that the symbol is in a block.
14232 * varasm.c (tls_comm_section, comm_section, lcomm_section)
14233 (bss_noswitch_section): New variables.
14234 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
14235 (get_noswitch_section): New function.
14236 (get_block_for_section): Allow SECT to be null.
14237 (unlikely_text_section_p): Use SECTION_STYLE.
14238 (bss_initializer_p): New function.
14239 (get_variable_section): Move earlier in file. Take a new argument,
14240 prefer_noswitch_p. Move bss checks from assemble_variable to here.
14241 Return one of the new *_sections in such cases.
14242 (get_block_for_decl): New function, extracting some logic from
14243 use_blocks_for_decl_p.
14244 (change_symbol_section): Remove in favor of...
14245 (change_symbol_block): ...this new function.
14246 (use_blocks_for_decl_p): Remove checks now performed by
14247 get_block_for_decl.
14248 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
14249 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
14250 (emit_local, emit_bss, emit_common): ...these new functions.
14251 Return true if the alignment was honored.
14252 (emit_tls_common): New function.
14253 (asm_emit_uninitialised): Delete.
14254 (assemble_variable_noswitch): New function, split out from...
14255 (assemble_variable): ...here. Don't make decisions about common
14256 variables here. Globalize all public decls that go into non-common
14257 sections. Check whether SYMBOL_REF_BLOCK is null.
14258 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
14259 (output_constant_pool): Likewise.
14260 (init_varasm_once): Initialize the new section variables.
14261 (have_global_bss_p): New function.
14262 (categorize_decl_for_section): Use bss_initializer_p.
14263 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
14264 (place_block_symbol): Assert that the symbol must be in a block.
14265 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
14266 (TARGET_INITIALIZER): Include it.
14267 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
14268 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
14269 (SECTION_MACH_DEP): Bump by two.
14270 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
14271 (unnamed_section): Mention SECTION_UNNAMED in comment.
14272 (named_section): Likewise SECTION_NAMED.
14273 (noswitch_section_callback): New type.
14274 (noswitch_section): New structure.
14275 (section): Add a noswitch_section alternative.
14276 (SECTION_STYLE): New macro.
14277 (tls_comm_section, comm_section, lcomm_section): Declare.
14278 (bss_noswitch_section, have_global_bss_p): Declare.
14279 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
14280 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
14282 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
14283 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
14286 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
14288 * tree-vrp.c (execute_vrp): Return value.
14289 * regrename.c (rest_of_handle_regrename): Ditto.
14290 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
14291 * tree-complex.c (tree_lower_complex): Ditto.
14292 (tree_lower_complex_O0): Ditto.
14293 * tracer.c (rest_of_handle_tracer): Ditto.
14294 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
14295 * postreload.c (rest_of_handle_postreload): Ditto.
14296 * tree-tailcall.c (execute_tail_recursion): Ditto.
14297 (execute_tail_calls): Ditto.
14298 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
14299 * tree.h (init_function_for_compilation): Ditto.
14300 * ipa-cp.c (ipcp_driver): Ditto.
14301 * tree-scalar-evolution.c (scev_const_prop): Ditto.
14302 * tree-scalar-evolution.h (scev_const_prop): Ditto.
14303 * final.c (compute_alignments): Ditto.
14304 (rest_of_handle_final): Ditto.
14305 (rest_of_handle_shorten_branches): Ditto.
14306 (rest_of_clean_state): Ditto.
14307 * omp-low.c (execute_expand_omp): Ditto.
14308 (execute_lower_omp): Ditto.
14309 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
14310 * ipa-reference.c (static_execute): Ditto.
14311 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
14312 * reorg.c (rest_of_handle_delay_slots): Ditto.
14313 (rest_of_handle_machine_reorg): Ditto.
14314 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
14315 * flow.c (recompute_reg_usage): Ditto.
14316 (rest_of_handle_remove_death_notes): Ditto.
14317 (rest_of_handle_life): Ditto.
14318 (rest_of_handle_flow2): Ditto.
14319 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
14320 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
14321 (do_ssa_store_ccp): Ditto.
14322 (execute_fold_all_builtins): Ditto.
14323 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
14324 * modulo-sched.c (rest_of_handle_sms): Ditto.
14325 * ipa-pure-const.c (static_execute): Ditto.
14326 * cse.c (rest_of_handle_cse): Ditto.
14327 (rest_of_handle_cse2): Ditto.
14328 * web.c (rest_of_handle_web): Ditto.
14329 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
14330 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
14331 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
14332 * tree-nrv.c (tree_nrv): Ditto.
14333 (execute_return_slot_opt): Ditto.
14334 * tree-ssa-alias.c (compute_may_aliases): Ditto.
14335 (create_structure_vars): Ditto.
14336 * loop-init.c (rtl_loop_init): Ditto.
14337 (rtl_loop_done): Ditto.
14338 (rtl_move_loop_invariants): Ditto.
14339 (rtl_unswitch): Ditto.
14340 (rtl_unroll_and_peel_loops): Ditto.
14341 (rtl_doloop): Ditto.
14342 * gimple-low.c (lower_function_body): Ditto.
14343 (mark_used_blocks): Ditto.
14344 * tree-ssa-sink.c (execute_sink_code): Ditto.
14345 * ipa-inline.c (cgraph_decide_inlining): Ditto.
14346 (cgraph_early_inlining): Ditto.
14347 * global.c (rest_of_handle_global_alloc): Ditto.
14348 * jump.c (cleanup_barriers): Ditto.
14349 (purge_line_number_notes): Ditto.
14350 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
14351 (rest_of_handle_if_after_reload): Ditto.
14352 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
14353 (tree_ssa_loop_im): Ditto.
14354 (tree_ssa_loop_unswitch): Ditto.
14355 (tree_vectorize): Ditto.
14356 (tree_linear_transform): Ditto.
14357 (tree_ssa_loop_ivcanon): Ditto.
14358 (tree_ssa_empty_loop): Ditto.
14359 (tree_ssa_loop_bounds): Ditto.
14360 (tree_complete_unroll): Ditto.
14361 (tree_ssa_loop_prefetch): Ditto.
14362 (tree_ssa_loop_ivopts): Ditto.
14363 (tree_ssa_loop_done): Ditto.
14364 * predict.c (tree_estimate_probability): Ditto.
14365 * recog.c (split_all_insns_noflow): Ditto.
14366 (rest_of_handle_peephole2): Ditto.
14367 (rest_of_handle_split_all_insns): Ditto.
14368 * tree-eh.c (lower_eh_constructs): Ditto.
14369 * regmove.c (rest_of_handle_regmove): Ditto.
14370 (rest_of_handle_stack_adjustments): Ditto.
14371 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
14372 * function.c (instantiate_virtual_regs): Ditto.
14373 (init_function_for_compilation): Ditto.
14374 (rest_of_handle_check_leaf_regs): Ditto.
14375 * gcse.c (rest_of_handle_jump_bypass): Ditto.
14376 (rest_of_handle_gcse): Ditto.
14377 * ipa-type-escape.c (type_escape_execute): Ditto.
14378 * alias.c (rest_of_handle_cfg): Ditto.
14379 * tree-if-conv.c (main_tree_if_conversion): Ditto.
14380 * profile.c (rest_of_handle_branch_prob): Ditto.
14381 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
14382 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
14383 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
14384 * tree-dfa.c (find_referenced_vars): Ditto.
14385 * except.c (set_nothrow_function_flags): Ditto.
14386 (convert_to_eh_region_ranges): Ditto.
14387 (rest_of_handle_eh): Ditto.
14388 * emit-rtl.c (unshare_all_rtl): Ditto.
14389 (remove_unnecessary_notes): Ditto.
14390 * except.h (set_nothrow_function_flags): Ditto.
14391 (convert_to_eh_region_ranges): Ditto.
14392 * cfgexpand.c (tree_expand_cfg): Ditto.
14393 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
14394 * tree-ssa-pre.c (do_pre): Ditto.
14395 (execute_fre): Ditto.
14396 * cfgcleanup.c (rest_of_handle_jump): Ditto.
14397 (rest_of_handle_jump2): Ditto.
14398 * tree-sra.c (tree_sra): Ditto.
14399 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
14400 (execute_mudflap_function_decls): Ditto.
14401 * tree-ssa-copy.c (do_copy_prop): Ditto.
14402 (do_store_copy_prop): Ditto.
14403 * ipa-prop.h (ipcp_driver): Ditto.
14404 * cfglayout.c (insn_locators_initialize): Ditto.
14405 * tree-ssa-forwprop.c
14406 (tree_ssa_forward_propagate_single_use_vars): Ditto.
14407 * cfglayout.h (insn_locators_initialize): Ditto.
14408 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
14409 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
14410 (execute_late_warn_uninitialized): Ditto.
14411 * rtl.h (cleanup_barriers): Ditto.
14412 (split_all_insns_noflow): Ditto.
14413 (purge_line_number_notes): Ditto.
14414 (unshare_all_rtl): Ditto.
14415 (remove_unnecessary_notes): Ditto.
14416 (recompute_reg_usage): Ditto.
14417 (variable_tracking_main): Ditto.
14418 * integrate.c (emit_initial_value_sets): Ditto.
14419 * integrate.h (emit_initial_value_sets): Ditto.
14420 * tree-optimize.c (execute_free_datastructures): Ditto
14421 (execute_free_cfg_annotations): Ditto.
14422 (execute_fixup_cfg): Ditto.
14423 (execute_cleanup_cfg_pre_ipa): Ditto.
14424 (execute_cleanup_cfg_post_optimizing): Ditto.
14425 (execute_init_datastructures): Ditto.
14426 * tree-object-size.c (compute_object_sizes): Ditto.
14427 * combine.c (rest_of_handle_combine): Ditto.
14428 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
14429 * bb-reorder.c (duplicate_computed_gotos): Ditto.
14430 (rest_of_handle_reorder_blocks): Ditto.
14431 (rest_of_handle_partition_blocks): Ditto.
14432 * var-tracking.c (variable_tracking_main): Ditto.
14433 * tree-profile.c (tree_profiling): Ditto.
14434 * tree-vect-generic.c (expand_vector_operations): Ditto.
14435 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
14436 * sched-rgn.c (rest_of_handle_sched): Ditto.
14437 (rest_of_handle_sched2): Ditto.
14438 * basic-block.h (free_bb_insn): Ditto.
14439 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
14440 * tree-cfg.c (execute_build_cfg): Ditto.
14441 (remove_useless_stmts): Ditto.
14442 (split_critical_edges): Ditto.
14443 (execute_warn_function_return): Ditto.
14444 (execute_warn_function_noreturn): Ditto.
14445 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
14446 * cfgrtl.c (free_bb_for_insn): Ditto.
14447 * passes.c (execute_one_pass): Run additional
14448 todos returned by execute function.
14449 * tree-pass.h (struct tree_opt_pass): Make execute
14452 2006-03-02 Richard Guenther <rguenther@suse.de>
14454 * tree-ssa-alias.c (find_used_portions): Consider taking
14455 the address as making the variable not write-only.
14457 2006-03-02 Nick Clifton <nickc@redhat.com>
14459 * config.gcc (default_use_cxa_atexit): Extend the description of
14460 this configure variable. Set its default value to "yes" for
14461 Linux, NetBSD and ELF targets on the assumption that they will
14462 use C libraries with the __cxa_atexit function.
14464 2006-03-02 Ben Elliston <bje@au.ibm.com>
14466 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
14467 parameter as unused to suppress a build warning.
14469 2006-03-02 Ben Elliston <bje@au.ibm.com>
14471 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
14474 2006-03-01 Roger Sayle <roger@eyesopen.com>
14477 * gthr-posix.h (__gthrw2): Define to take three parameters, the
14478 declared name, the weak reference name, and the typeof name.
14479 (__gthrw): Avoid expanding the declared name suffix.
14480 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
14482 2006-03-01 Jakub Jelinek <jakub@redhat.com>
14484 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
14486 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
14487 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
14488 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
14489 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
14490 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
14491 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
14492 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
14493 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
14494 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
14495 DW_DS_leading_separate, DW_DS_trailing_separate): New.
14496 (DW_END_default, DW_END_big, DW_END_little): New.
14497 (DW_END_lo_user, DW_END_hi_user): Define.
14498 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
14499 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
14500 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
14503 2006-03-01 Diego Novillo <dnovillo@redhat.com>
14505 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
14507 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
14509 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
14511 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
14513 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
14514 to 'symbol_mem_tag'.
14516 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
14519 2006-03-01 Roger Sayle <roger@eyesopen.com>
14521 * builtins.c (fold_builtin_copysign): Delete unreachable code.
14523 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
14526 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
14527 MACHO_DYNAMIC_NO_PIC_P.
14528 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
14530 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
14533 * config/darwin-protos.h (darwin_asm_output_anchor):
14535 * config/darwin-sections.def (cstring_section):
14536 Add SECTION_MERGE to the flags.
14537 (literal4_section): Likewise.
14538 (literal8_section): Likewise.
14539 (objc_selector_refs_section): Likewise.
14540 (objc_cls_refs_section): Likewise.
14541 * config/darwin.c (darwin_asm_output_anchor): New
14543 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
14545 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
14547 Fix PR tree-optimization/26443
14548 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
14549 to todo and PROP_tmt_usage to properties_destroyed.
14550 * tree-ssa-ccp.c (pass_ccp): Ditto.
14551 (pass_store_ccp): Ditto.
14552 * tree-ssa-dom.c (pass_dominator): Ditto.
14554 2006-03-01 Diego Novillo <dnovillo@redhat.com>
14556 * tree-ssa-operands.c: Cleanup whitespace.
14557 (get_asm_expr_operands): Move before first invocation.
14558 (get_indirect_ref_operands): Likewise.
14559 (get_tmr_operands): Likewise.
14560 (get_call_expr_operands): Likewise.
14561 (append_def): Likewise.
14562 (append_use): Likewise.
14563 (append_v_may_def): Likewise.
14564 (append_v_must_def): Likewise.
14565 (add_call_clobber_ops): Likewise.
14566 (add_call_read_ops): Likewise.
14567 (add_stmt_operand): Likewise.
14568 (add_virtual_operand): Likewise.
14569 (build_ssa_operands): Likewise.
14571 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
14573 PR middle-end/26022
14575 PR middle-end/24437
14576 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
14577 with a call expr to ...
14578 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
14580 2006-03-01 Diego Novillo <dnovillo@redhat.com>
14582 * tree-vrp.c (extract_range_from_assert): Remove special
14583 handling for types with super-types.
14585 2006-03-01 Ben Elliston <bje@au.ibm.com>
14587 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
14588 and powerpc64-*-linux* configurations.
14589 * config/t-dfprules: New file.
14591 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
14592 Compile dfp-bit.c from the source directory using -DWIDTH and
14593 $DFP_CFLAGS to control the compilation of that file, rather than
14594 generating width-specific versions in the build directory.
14595 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
14596 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
14598 2006-02-28 Zack Weinberg <zackw@panix.com>
14600 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
14603 2006-02-28 Eric Christopher <echristo@apple.com>
14605 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
14606 Set up IN_LIBGCC definition of TARGET_64BIT.
14607 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
14609 2006-02-28 Roger Sayle <roger@eyesopen.com>
14611 PR middle-end/14752
14612 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
14613 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
14614 cases via the construction of "expr != 0".
14616 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
14618 * alias.c (alias_invariant, alias_invariant_size): Remove.
14619 (record_base_value): Remove.
14620 (memrefs_conflict_p): Don't look at alias_invariant.
14621 (end_alias_analysis): Don't free it.
14622 * alias.h (record_base_value): Remove prototype.
14624 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
14625 Adam Nemet <anemet@caviumnetworks.com>
14627 * rtl.h (truncated_to_mode): Declare it.
14628 (struct rtl_hooks): Add reg_truncated_to_mode hook.
14629 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
14630 (RTL_HOOKS_INITIALIZER): Include it.
14631 * rtlhooks.c (reg_truncated_to_mode_general): New function.
14632 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
14633 reg_truncated_to_mode.
14634 * rtlanal.c (truncated_to_mode): Define it.
14635 * simplify-rtx.c (simplify_unary_operation_1): Use it.
14637 2006-02-28 Jeff Law <law@redhat.com>
14639 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
14640 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
14641 the range allowed by TYPE_PRECISION.
14643 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
14645 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
14647 PR tree-optimization/26419
14648 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
14651 2006-02-27 Zack Weinberg <zackw@panix.com>
14653 * doc/md.texi: Fix typo in previous change.
14655 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
14659 2006-02-27 Zack Weinberg <zackw@panix.com>
14661 * rtl.def (define_constraint, define_register_constraint)
14662 (define_memory_constraint, define_address_constraint): New MD forms.
14663 * gensupport.c (process_rtx): Put define_constraint etc on the
14665 * genpreds.c (process_define_predicate): Adjust comment. Validate
14666 the name, and call validate_exp to validate the expression.
14667 (mark_mode_tests, write_extract_subexp): Can assume correct input.
14668 (write_predicate_expr): Likewise. NAME argument no longer necessary;
14669 all callers changed.
14670 (validate_exp, needs_variable, struct constraint_data)
14671 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
14672 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
14673 (const_dbl_constraints, constraint_max_namelen)
14674 (have_register_constraints, have_memory_constraints)
14675 (have_address_constraints, have_address_constraints)
14676 (have_extra_constraints, have_const_int_constraints)
14677 (have_const_dbl_constraints, mangle, add_constraint)
14678 (process_define_constraint, process_define_register_constraint)
14679 (write_enum_constraint_num, write_lookup_constraint)
14680 (write_insn_constraint_len, write_regclass_for_constraint)
14681 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
14682 (write_insn_extra_memory_constraint)
14683 (write_insn_extra_address_constraint)
14684 (write_satisfies_constraint_fns): New.
14685 (write_tm_preds_h): If we have new-style constraint definitions,
14686 prototype the functions generated from them, and define the
14687 old constraint interface (still used by generic code) in terms of
14689 (write_insn_preds_c): If we have new-style constraint definitions,
14690 generate all relevant functions from those definitions.
14691 (main): Handle define_constraint etc.
14692 * genoutput.c (struct constraint_data, indep_constraints)
14693 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
14694 (mdep_constraint_len): New data structures and functions, defined
14695 #ifdef USE_MD_CONSTRAINTS.
14696 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
14697 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
14698 use new logic to validate operand constraints against constraint
14700 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
14702 * defaults.h: If none of the old-style constraint macros are
14703 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
14704 old-style macros; and poison REG_CLASS_FROM_LETTER,
14705 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
14707 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
14708 * doc/md.texi: Document new constraint-definition mechanism and the
14709 C interface it provides. Remove references to old mechanism
14710 elsewhere in the document.
14711 (Machine Constraints): Use pathnames relative to gcc directory,
14712 i.e. config/ARCH/FILE. Change i386 section to refer to
14713 config/i386/predicates.md; update that section to match docstrings.
14714 * doc/tm.texi: Move all documentation of the old constraint-
14715 definition macros to their own section, clearly mark as obsolete.
14717 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
14718 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
14720 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
14721 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
14722 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
14723 constraint strings.
14724 (splits and peepholes): Use satisfies_constraint_*.
14725 * config/i386/i386.c (memory_address_length)
14726 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
14728 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
14730 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
14731 scalar operation to be put back into the loop.
14733 2006-02-27 Jakub Jelinek <jakub@redhat.com>
14736 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
14737 (extract_cie_info): Handle S flag in augmentation string.
14738 (execute_cfa_program): If context->signal_frame, execute also
14739 fs->pc == context->ra instructions.
14740 (uw_frame_state_for): If context->signal_frame, don't subtract one
14741 from context->ra to find FDE.
14742 (uw_update_context_1): Set context->signal_frame to
14744 (_Unwind_GetIPInfo): New function.
14745 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
14746 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
14748 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
14749 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
14750 * unwind-compat.c (_Unwind_GetIPInfo): New function.
14751 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
14752 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
14753 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
14754 * config/i386/linux-unwind.h (x86_fallback_frame_state,
14755 x86_64_fallback_frame_state): Set fs->signal_frame.
14756 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
14757 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
14758 (frob_update_context): Likewise. Workaround missing S flag in
14759 Linux 2.6.12 - 2.6.16 kernel vDSOs.
14760 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
14761 Remove the psw_addr + 1 hack.
14763 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
14765 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
14766 with aggregates here.
14767 (find_func_aliases): Remove code for &<aggregate> from here.
14769 2006-02-26 Roger Sayle <roger@eyesopen.com>
14771 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
14772 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
14773 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
14774 as (X & C) ne/eq 0.
14776 2006-02-26 Roger Sayle <roger@eyesopen.com>
14778 PR middle-end/19983
14779 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
14781 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
14783 * opts.c (decode_options): Do not handle flag_strength_reduce.
14784 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
14785 and OPT_fstrength_reduce.
14786 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
14787 flag_prefetch_loop_arrays for being nonzero.
14788 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
14790 (fprefetch-loop-arrays-rtl): Removed.
14791 (flag_prefetch_loop_arrays): Do not specify the value.
14793 * doc/passes.texi: Update documentation of loop optimizer
14795 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
14796 -frerun-loop-opt): Remove.
14798 2006-02-26 Richard Guenther <rguenther@suse.de>
14800 PR tree-optimization/26421
14801 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
14802 in function calls that are ADDR_EXPRs as using the whole structure.
14804 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
14806 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
14807 * tree-pass.h (pass_loop_optimize): Remove.
14808 * passes.c (pass_loop_optimize): Never run it.
14809 * toplev.c (backend_init): Don't call init_loop.
14810 * opts.c (flag_loop_optimize_set): Remove.
14811 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
14812 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
14813 the old RTL loop optimizer when profiling enabled.
14814 * predict.c (tree_estimate_probability): Always strip builtin_expect.
14815 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
14816 pre-headers for the sake of the old RTL loop optimizer.
14817 * Makefile.in: Remove all references to loop.o.
14819 * doc/invoke.texi: Remove all references to -floop-optimize
14820 and -frerun-loop-opt.
14822 2006-02-26 Zack Weinberg <zackw@panix.com>
14824 * doc/md.texi (Machine Constraints): Refer to all files with paths
14825 relative to gcc directory (i.e. config/CPU/file). Add missing
14826 @table @code ... @end table to M32C subsection.
14828 2006-02-26 Roger Sayle <roger@eyesopen.com>
14830 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
14832 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
14834 2006-02-26 Roger Sayle <roger@eyesopen.com>
14835 James A. Morrison <phython@gcc.gnu.org>
14837 PR middle-end/21137
14838 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
14839 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
14840 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
14841 signedness of the shift operation.
14843 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
14845 PR tree-optimization/26359
14846 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
14848 2006-02-25 Roger Sayle <roger@eyesopen.com>
14850 * simplify-rtx.c (simplify_relational_operation_1): Simplify
14851 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
14852 as X == 0, and some symmetry related transformations.
14853 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
14855 2006-02-25 Roger Sayle <roger@eyesopen.com>
14857 PR middle-end/23673
14858 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
14859 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
14860 symmetry related transformations. Fold (X^C1) == C2 as
14863 2006-02-25 Juergen Weigert <jw@suse.de>
14864 Richard Guenther <rguenther@suse.de>
14866 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
14868 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
14870 * combine.c (gen_lowpart_or_truncate): Call
14871 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
14873 2006-02-24 Diego Novillo <dnovillo@redhat.com>
14875 * doc/invoke.texi: Move -fopenmp description to "Options for
14877 Remove reference to -lgomp.
14879 2006-02-24 David Edelsohn <edelsohn@gnu.org>
14881 * doc/install.texi: Require GNU tar version 1.14.
14883 2006-02-24 Geoffrey Keating <geoffk@apple.com>
14885 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
14886 * doc/invoke.texi (C++ Dialect Options): Document
14887 -fno-use-cxa-get-exception-ptr.
14888 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
14889 * configure: Regenerate.
14890 * c.opt (fuse-cxa-get-exception-ptr): New.
14891 * c-opts.c (c_common_handle_option): Handle
14892 OPT_fuse_cxa_get_exception_ptr.
14893 * c-common.c (flag_use_cxa_atexit): Update documentation.
14894 (flag_use_cxa_get_exception_ptr): New.
14895 * c-common.h (flag_use_cxa_get_exception_ptr): New.
14896 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
14898 (C_COMMON_OVERRIDE_OPTIONS): New.
14900 2006-02-24 Roger Sayle <roger@eyesopen.com>
14902 PR middle-end/24952
14903 * combine.c (try_combine): Explicitly check whether GET_CODE is
14904 a SET or a CLOBBER, instead on checking that it isn't a USE.
14906 2006-02-24 Roger Sayle <roger@eyesopen.com>
14908 * fold-const.c (fold_comparison): New subroutine of fold_binary
14909 containing transformations common to both the equality and
14910 ordering relational operators, factored out of fold_binary.
14911 (fold_binary): Separate out the equality operators (EQ_EXPR
14912 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
14913 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
14914 transformations common to both.
14915 (fold_div_compare): Fix latent bugs in the previously unreachable
14916 LT_EXPR and GE_EXPR cases.
14918 2006-02-24 David Edelsohn <edelsohn@gnu.org>
14920 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
14921 decl libname for clog to __clog on AIX.
14923 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
14925 2006-02-24 Alan Modra <amodra@bigpond.net.au>
14928 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
14929 output traceback table for thunks. Localise rs6000_stack_info call.
14931 2006-02-23 Roger Sayle <roger@eyesopen.com>
14932 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14934 * gthr-posix.h (__gthrw): Fix typo in comment.
14936 2006-02-23 Geoffrey Keating <geoffk@apple.com>
14938 * doc/cpp.texi (Character sets): Document that we do support
14939 input files to be in any character set.
14941 2006-02-23 Jeff Law <law@redhat.com>
14943 * tree.h (PHI_ARG_NONZERO): Remove.
14944 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
14945 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
14946 node to the new node.
14948 PR tree-optimization/26425
14949 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
14950 min/max, then assume its varying.
14952 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
14954 PR rtl-optimization/26316
14955 * rtlanal.c (enum may_trap_p_flags): New.
14956 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
14957 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
14958 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
14959 (may_trap_after_code_motion_p): New function.
14960 * loop-invariant.c (find_identical_invariants): Fix dump formating.
14961 (find_invariant_insn): Use may_trap_after_code_motion_p.
14962 * rtl.h (may_trap_after_code_motion_p): Declare.
14964 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
14966 * emit-rtl.c (immed_double_const): Cleanup.
14968 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
14970 Fix PR tree-optimization/26376
14971 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
14974 2006-02-23 Jakub Jelinek <jakub@redhat.com>
14976 PR middle-end/26412
14977 * gimplify.c (omp_add_variable): Guard variable size decl test with
14978 DECL_SIZE (decl) check.
14980 2006-02-23 Richard Guenther <rguenther@suse.de>
14982 PR middle-end/26439
14983 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
14984 like aggregate types.
14986 2006-02-23 Jakub Jelinek <jakub@redhat.com>
14988 * configure.ac: Add --with{,out}-long-double-128 configure option.
14989 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
14990 * configure: Rebuilt.
14991 * config.in: Rebuilt.
14992 * doc/install.texi (Options specification): Document
14993 --with-long-double-128.
14995 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
14996 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
14997 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
14998 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
15000 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
15002 * config/s390/s390.c (override_options): Handle
15003 TARGET_DEFAULT_LONG_DOUBLE_128.
15005 * config/alpha/alpha.c (override_options): Handle
15006 TARGET_DEFAULT_LONG_DOUBLE_128.
15008 * config/sparc/sparc.c (sparc_override_options): Handle
15009 TARGET_DEFAULT_LONG_DOUBLE_128.
15011 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
15013 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
15014 (real-install-headers-tar, real-install-headers-cpio)
15015 (real-install-headers-cp): New targets.
15017 2006-02-22 Richard Sandiford <richard@codesourcery.com>
15019 * tree.h (variable_section): Delete.
15020 * varasm.c (variable_section): Delete.
15022 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
15024 * install.texi: Add notes on install.texi2html.
15025 (Building in parallel): Do not use footnotes.
15027 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
15030 * doc/install.texi (Configuration): Document --disable-libgomp.
15032 2006-02-21 Geoffrey Keating <geoffk@apple.com>
15034 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
15036 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
15038 * config/i386/sse.md (vec_extractv2df_1_sse): New.
15039 (vec_extractv2df_0_sse): New.
15041 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
15043 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
15044 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
15045 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
15046 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
15047 to the result of the expression.
15048 (def_cfa_1): Adjust.
15049 (frame_pointer_cfa_offset): Rename to...
15050 (frame_pointer_fb_offset): ... this. Adjust all uses.
15051 (convert_cfa_to_loc_list): Rename to...
15052 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
15053 Pass it on to build_cfa_loc.
15054 (compute_frame_pointer_to_cfa_displacement): Rename to...
15055 (compute_frame_pointer_to_fb_displacement): ... this. New
15056 offset parameter. Use it in computation.
15057 (gen_subprogram_die): Compute cfa_fb_offset with the new
15058 macro, and use it to compute the fb loc list and the
15061 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
15063 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
15064 replaced with register_operand.
15065 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
15066 non-DREG is expensive.
15067 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
15068 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
15071 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
15073 * doc/install.texi2html: Use set -e.
15075 2006-02-21 Richard Sandiford <richard@codesourcery.com>
15077 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
15078 (ASM_OUTPUT_SHARED_LOCAL): Delete.
15079 * doc/invoke.texi (-fshared-data): Delete.
15080 * common.opt (fshared-data): Delete.
15081 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
15082 (assemble_static_space): Remove #if 0 code.
15083 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
15084 (ASM_OUTPUT_SHARED_LOCAL): Poison.
15085 * config/cris/cris.h: Remove FIXME.
15087 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
15089 * doc/sourcebuild.texi (Front End Directory): No more double-colon
15092 2006-02-21 Jakub Jelinek <jakub@redhat.com>
15094 PR middle-end/26379
15095 * combine.c (simplify_shift_const_1): Disable nested shifts
15096 optimization for vector shifts.
15098 2006-02-20 Roger Sayle <roger@eyesopen.com>
15100 PR tree-optimization/26361
15101 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
15102 of unsigned integer types.
15104 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
15106 * tree-chrec.c (eq_evolutions_p): New.
15107 * tree-chrec.h (eq_evolutions_p): Declared.
15108 * tree-data-ref.c: Fix formatting.
15109 (datadep_stats, dependence_stats): New.
15111 (print_direction_vector): New.
15112 (dump_data_dependence_relation): Use print_direction_vector.
15113 (object_analysis, create_data_ref): Handle COMPONENT_REF.
15114 (compute_subscript_distance): Static.
15115 (initialize_data_dependence_relation): Static. Get the number
15116 of loops surrounding the references from the callers, and initialize
15117 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
15118 base_object_differ_p analyzers.
15119 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
15120 compute_overlap_steps_for_affine_1_2,
15121 analyze_subscript_affine_affine): Count the classified dependences.
15122 Print a message when a test failed.
15123 (can_use_analyze_subscript_affine_affine): New.
15124 (analyze_siv_subscript): Compute the data dependences on symbolic
15125 scevs that verify can_use_analyze_subscript_affine_affine.
15126 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
15127 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
15128 Handle symbolic scevs.
15129 (analyze_overlapping_iterations): Let symbolic affine scevs to be
15131 (subscript_dependence_tester): Moved...
15132 (build_classic_dist_vector, build_classic_dir_vector): Don't use
15133 lambda_vector_clear on newly allocated vectors. Get nb_loops from
15134 DDR_SIZE_VECT instead of getting it in parameter.
15135 (subscript_dependence_tester): ... here. Take as a parameter
15136 loop_nest_depth. Call build_classic_dist_vector and
15137 build_classic_dir_vector.
15138 (compute_affine_dependence): Update subscript_dependence_tester
15139 parameters. Update datadep_stats counters. Call
15140 compute_subscript_distance.
15141 (compute_self_dependence): Save the dist and dir vectors. Call
15142 compute_subscript_distance.
15143 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
15144 (compute_all_dependences): Reorder parameters as they were before
15145 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
15146 compute_subscript_distance. Update the use of
15147 compute_affine_dependence and initialize_data_dependence_relation.
15148 (find_data_references_in_loop): Handle COMPONENT_REF.
15149 (compute_data_dependences_for_loop): Initialize dependence_stats.
15150 Don't call build_classic_dist_vector and build_classic_dir_vector.
15151 Update the parameters of initialize_data_dependence_relation and
15152 compute_all_dependences. Print the statistics from datadep_stats.
15153 (analyze_all_data_dependences): Static. Not used until the pass for
15154 checking the data dependences is contributed.
15155 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
15156 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
15157 (initialize_data_dependence_relation, compute_affine_dependence,
15158 analyze_all_data_dependences, compute_subscript_distance): Removed.
15159 (print_direction_vector): New.
15160 * lambda.h (gcd): ... here.
15161 (lambda_vector_gcd): Moved here from gcd_vector.
15162 * lambda-code.c (gcd, gcd_vector): Removed.
15163 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
15164 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
15166 2006-02-20 Diego Novillo <dnovillo@redhat.com>
15168 * ipa-type-escape.c: Tidy some comments and white space.
15169 * tree-ssa-operands.c: Likewise.
15171 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
15174 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
15175 (dump_decl_name): Do not walk the decl tree chains.
15176 * tree-pass.h (TDF_CHAIN): Remove.
15178 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
15180 * Makefile.in (C): Remove
15182 (.PHONY): Remove C and PROTO
15184 2006-02-20 Roger Sayle <roger@eyesopen.com>
15186 PR middle-end/26236
15187 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
15188 deprecated CHAR_TYPE tree code.
15190 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
15192 * configure.ac (target_list): Add install-info, dvi, html.
15193 * configure: Regenerate.
15195 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
15196 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
15197 treelang/Make-lang.in: Do not use double-colon rules.
15199 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
15201 * tree.h (struct tree_memory_tag): Add is_used_alone member.
15202 (TMT_USED_ALONE): New macro.
15203 * tree-pass.h (PROP_tmt_usage): New property.
15204 (TODO_update_tmt_usage): New todo.
15205 * tree-ssa-alias.c (updating_used_alone): New variable.
15206 (recalculate_used_alone): New function.
15207 (compute_may_aliases): Set updating_used_alone, call
15208 recalculate_used_alone.
15209 * tree-sra.c (pass_sra): Note that this pass destroys
15210 PROP_tmt_usage, and add TODO_update_tmt_usage.
15211 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
15212 * tree-flow.h (updating_used_alone): Prototype.
15213 (recalculate_used_alone): Ditto.
15214 * passes.c (execute_todo): Add code to set updating_used_alone,
15215 and call recalculate.
15216 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
15217 for clobber if used alone, and add assert to verify used_alone
15220 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
15222 * config/s390/s390.c (legitimize_pic_address): Assertions checking
15223 for non tls symbols added.
15224 (legitimize_address): Do nothing for PLUS expressions if one of the
15225 addends is a tls symbol reference.
15227 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
15231 * Makefile.in (LDFLAGS): Define from autoconf substitution.
15233 * Makefile.in (BOOTSTRAPPING): New.
15234 (quickstrap): New definition if BOOTSTRAPPING=yes.
15236 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
15237 * configure.ac: Substitute all_selected_languages with the languages
15238 that were configured. For all the other variables except
15239 lang_specs_files, include all the languages in the tree.
15240 * configure: Regenerate.
15242 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
15243 if there is one. Run the commands to run fixincludes in the same
15246 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
15247 * doc/install.texi: Document exact conventions for searching target tools.
15248 Document --with-build-time-tools. Document toplevel bootstrap. Document
15249 something more about building an Ada cross-compiler. Don't list GNU Make
15250 requirements which affect all platforms.
15252 2006-02-19 Roger Sayle <roger@eyesopen.com>
15254 PR middle-end/19543
15255 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
15256 only equivalent if the have both the same mode and precision.
15258 2006-02-20 Ben Elliston <bje@au.ibm.com>
15260 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
15262 2006-02-19 Roger Sayle <roger@eyesopen.com>
15263 Steven Bosscher <stevenb.gcc@gmail.com>
15265 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
15266 constant pool references to identify stack mode constants.
15267 * rtlanal.c (constant_pool_constant_p): New predicate to check
15268 whether operand is a floating point constant in the pool.
15269 * rtl.h (constant_pool_constant_p): Prototype here.
15270 * loop.c (scan_loop): Avoid hoisting constants from the constant
15271 pool on STACK_REGS targets.
15272 (load_mems): Likewise.
15273 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
15274 loads into x87 registers expensive in terms of register pressure.
15276 2006-02-19 Roger Sayle <roger@eyesopen.com>
15278 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
15279 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
15281 2006-02-19 David Edelsohn <edelsohn@gnu.org>
15283 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
15284 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
15286 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
15288 * doc/invoke.texi: Document -fipa-pta.
15289 * common.opt: Add ipa-pta option.
15290 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
15291 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
15292 (do_ds_constraint): Ditto.
15293 (get_constraint_for): Only add to referenced_vars if
15294 referenced_vars exists.
15295 (insert_into_field_list): Rewrite to do this unsorted.
15296 (insert_into_field_list_sorted): Rename old insert_into_field_list
15298 (create_function_info_for): Use insert_into_field_list_sorted.
15299 (create_variable_info_for): Rewrite so it uses unsorted version,
15300 since the field list is sorted.
15301 (intra_create_variable_infos): Only add to referenced_vars if
15302 referenced_vars exists.
15303 (ipa_pta_execute): Init heapvars, and delete when done.
15304 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
15306 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15308 * doc/install.texi: Add missing `@samp'.
15310 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
15312 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
15315 2006-02-18 Mark Wielaard <mark@klomp.org>
15317 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
15318 who added new 4.1 features, bug fixes and integration support.
15320 2006-02-18 David Edelsohn <edelsohn@gnu.org>
15323 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
15324 MEM for ABI_V4 pic.
15326 2006-02-18 Richard Sandiford <richard@codesourcery.com>
15328 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
15329 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
15330 (copy_insn_1): Likewise. Don't copy each field individually.
15332 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
15334 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
15335 * rtl.c (rtx_size): Rename variable to...
15336 (rtx_code_size): ...this.
15337 (rtx_size): New function.
15338 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
15339 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
15341 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
15342 * rtl.h (rtx_code_size): New variable.
15343 (rtx_size): Change from a variable to a function.
15344 (RTX_SIZE): Rename to...
15345 (RTX_CODE_SIZE): ...this.
15348 PR tree-optimization/17106
15349 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
15350 (Anchored Addresses): New section.
15351 * doc/invoke.texi (-fsection-anchors): Document.
15352 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
15353 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
15354 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
15355 * hooks.c (hook_bool_mode_rtx_false): New function.
15356 * hooks.h (hook_bool_mode_rtx_false): Declare.
15357 * gengtype.c (create_optional_field): New function.
15358 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
15359 SYMBOL_REF_IN_BLOCK_P is true.
15360 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
15361 (min_anchor_offset, max_anchor_offset): Likewise.
15362 (use_anchors_for_symbol_p): New hook.
15363 * toplev.c (compile_file): Call output_object_blocks.
15364 (target_supports_section_anchors_p): New function.
15365 (process_options): Check that -fsection-anchors is only used on
15366 targets that support it and when -funit-at-a-time is in effect.
15367 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
15368 if the decl doesn't have one.
15369 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
15370 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
15371 of force_const_mem through use_anchored_address.
15372 (expand_expr_constant): New function.
15373 (expand_expr_addr_expr_1): Call it. Use the same modifier when
15374 calling expand_expr for INDIRECT_REF.
15375 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
15376 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
15377 * expr.h (use_anchored_address): Declare.
15378 * loop-unroll.c: Don't declare rtx vectors here.
15379 * explow.c: Include output.h.
15380 (validize_mem): Call use_anchored_address.
15381 (use_anchored_address): New function.
15382 * common.opt (-fsection-anchors): New switch.
15383 * varasm.c (object_block_htab, anchor_labelno): New variables.
15384 (hash_section, object_block_entry_eq, object_block_entry_hash)
15385 (use_object_blocks_p, get_block_for_section, create_block_symbol)
15386 (use_blocks_for_decl_p, change_symbol_section): New functions.
15387 (get_variable_section): New function, split out from assemble_variable.
15388 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
15389 use_blocks_for_decl_p say so. Use change_symbol_section if the
15390 symbol has already been created.
15391 (assemble_variable_contents): New function, split out from...
15392 (assemble_variable): ...here. Don't output any code for
15393 block symbols; just pass them to place_block_symbol.
15394 Use get_variable_section and assemble_variable_contents.
15395 (get_constant_alignment, get_constant_section, get_constant_size): New
15396 functions, split from output_constant_def_contents.
15397 (build_constant_desc): Create a block symbol if use_object_blocks_p
15398 says so. Or into SYMBOL_REF_FLAGS.
15399 (assemble_constant_contents): New function, split from...
15400 (output_constant_def_contents): ...here. Don't output any code
15401 for block symbols; just pass them to place_section_symbol.
15402 Use get_constant_section and get_constant_alignment.
15403 (force_const_mem): Create a block symbol if use_object_blocks_p and
15404 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
15405 (output_constant_pool_1): Add an explicit alignment argument.
15406 Don't switch sections here.
15407 (output_constant_pool): Adjust call to output_constant_pool_1.
15408 Switch sections here instead. Don't output anything for block symbols;
15409 just pass them to place_block_symbol.
15410 (init_varasm_once): Initialize object_block_htab.
15411 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
15412 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
15413 (place_block_symbol, get_section_anchor, output_object_block)
15414 (output_object_block_htab, output_object_blocks): New functions.
15415 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
15416 (TARGET_ASM_OUT): Include it.
15417 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
15418 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
15419 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
15420 (TARGET_INITIALIZER): Include them.
15421 * rtl.c (rtl_check_failed_block_symbol): New function.
15422 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
15423 (block_symbol, object_block): New structures.
15424 (rtx_def): Add a block_symbol field to the union.
15425 (BLOCK_SYMBOL_CHECK): New macro.
15426 (rtl_check_failed_block_symbol): Declare.
15427 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
15428 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
15429 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
15430 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
15431 * output.h (output_section_symbols): Declare.
15432 (object_block): Name structure.
15433 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
15434 (default_use_anchors_for_symbol_p): Declare.
15435 * Makefile.in (RTL_BASE_H): Add vec.h.
15436 (explow.o): Depend on output.h.
15437 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
15438 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
15439 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
15440 (rs6000_use_blocks_for_constant_p): New function.
15442 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15444 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
15446 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
15449 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
15452 2006-02-18 Diego Novillo <dnovillo@redhat.com>
15454 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
15458 2006-02-18 Jakub Jelinek <jakub@redhat.com>
15460 PR middle-end/26334
15461 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
15462 instead of DECL_REGISTER.
15464 2006-02-18 Olivier Hainque <hainque@adacore.com>
15467 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
15469 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
15472 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
15473 * opth-gen.awk: Handle Var and InverseMask together.
15474 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
15475 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
15476 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
15477 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
15479 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
15480 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
15481 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
15482 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
15483 LINUX_DYNAMIC_LINKER): Define.
15484 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
15485 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
15487 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15488 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
15489 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15490 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15491 (TARGET_C99_FUNCTIONS): Don't define.
15492 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
15493 GLIBC_DYNAMIC_LINKER.
15494 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
15495 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
15496 GLIBC_DYNAMIC_LINKER64): Define.
15497 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
15498 LINUX_DYNAMIC_LINKER64.
15499 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15500 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15501 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
15502 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15503 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15504 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15505 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
15506 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
15507 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
15508 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
15509 and LINUX_DYNAMIC_LINKER32.
15510 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15511 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15512 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
15513 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15514 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
15516 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
15517 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
15518 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
15519 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
15520 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
15521 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
15522 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
15523 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
15524 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
15525 LINUX_DYNAMIC_LINKER): Define.
15526 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
15527 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
15528 GLIBC_DYNAMIC_LINKER64): Define.
15529 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
15530 LINUX_DYNAMIC_LINKER64.
15531 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15532 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15533 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
15534 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
15535 LINUX_DYNAMIC_LINKER): Define.
15536 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15537 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
15538 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
15539 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
15540 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
15541 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
15542 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
15543 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
15544 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
15545 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15546 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15547 * doc/invoke.texi (-muclibc): Remove caveat about supported
15550 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
15552 * doc/cpp.texi (__TIMESTAMP__): Document.
15554 2006-02-17 Roger Sayle <roger@eyesopen.com>
15556 PR middle-end/25600
15557 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
15558 C is one less than the width of X (and related transformations).
15559 * simplify-rtx.c (simplify_unary_operation_1): Transform
15560 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
15561 depending on STORE_FLAG_VALUE, were C is one less then the
15564 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
15566 Fix PR tree-optimization/26341
15567 * tree-ssa-operands.c (add_virtual_operand): Remove assert
15568 about NAME_MEMORY_TAG's.
15570 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15573 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
15574 with hardware float support, and software float support. Add fcpy
15575 alternative to hardware patterns. Add alternatives to copy between
15576 general and floating-point registers to the 32-bit pattern.
15577 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
15578 secondary reload to load a QI or HI mode constant into a floating
15580 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
15581 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
15583 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
15586 * config/rs6000/darwin.md (load_macho_picbase_si): Add
15588 (load_macho_picbase_di): Likewise.
15590 2006-02-16 Jeff Law <law@redhat.com>
15592 * tree-vrp.c (set_value_range_to_nonnegative): New function.
15593 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
15594 (ssa_name_nonzero_p): Likewise.
15595 (get_value_range): Return NULL if VRP is not running.
15596 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
15597 VRP routines do not discover a range.
15598 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
15599 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
15600 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
15601 (tree_expr_nonnegative_p): Similarly.
15602 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
15603 (restore_nonzero_vars_to_original_value): Remove.
15604 (unsafe_associative_fp_binop): Remove.
15605 (tree_ssa_dominator_optimize): Remove initialization and
15606 finalization of nonzero_vars and nonzero_vars_stack.
15607 (dom_opt_initialize_block): No longer push marker on
15608 nonzero_vars_stack.
15609 (dom_opt_finalize_block): No longer call
15610 restore_nonzero_vars_to_original_value.
15611 (record_equivalences_from_phis): No longer look for
15612 nonzero PHI arguments.
15613 (cprop_into_successor_phis): No longer propagate nonzero
15614 property into PHI arguments. Lose unused argument. Caller
15616 (record_equivalences_from_stmt): No longer record nonzero
15617 values for SSA_NAMEs.
15618 (lookup_avail_expr): No longer use nonzero_vars.
15620 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
15621 for sizetype when sizetype is unsigned.
15623 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
15625 PR rtl-optimization/25603
15626 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
15627 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
15628 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
15629 with new meaning of SETS.
15631 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
15636 * config/linux.opt: New file.
15637 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
15638 LINUX_DYNAMIC_LINKER): Define.
15639 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
15640 * config.gcc (*-*-linux*): Define extra_options.
15641 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
15642 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
15643 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
15644 GLIBC_DYNAMIC_LINKER.
15645 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
15646 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15647 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15648 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15649 * doc/invoke.texi (GNU/Linux Options): New section.
15651 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
15653 * config/sparc/sparc.md (setjmp): Rewrite.
15654 (setjmp_32): Delete.
15655 (setjmp_64): Likewise.
15657 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
15659 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
15662 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
15664 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
15667 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
15669 PR rtl-optimization/26296
15670 * Makefile.in (loop-invariant.c): Add except.h dependency.
15671 * loop-invariant.c: Include except.h.
15672 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
15674 2005-02-16 Paul Brook <paul@codesourcery.com>
15676 * reload1.c (emit_reload_insns): Invalidate dead input registers used
15679 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
15681 PR rtl-optimization/25636
15682 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
15683 when deciding whether an insn is an initializing insn.
15685 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
15687 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
15688 (tree_code_size): Ditto.
15689 * tree.h (struct tree_memory_tag): Remove parent_var.
15690 (struct tree_struct_field_tag): New.
15693 (union tree_node): Add sft member.
15694 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
15696 (create_sft): Add size and offset argument, set SFT_OFFSET and
15698 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
15699 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
15700 * tree-flow-inline.h (get_subvar_at): Update for
15701 SFT_OFFSET/SFT_SIZE.
15702 (var_can_have_subvars): Ditto.
15703 (overlap_subvar): Ditto.
15704 * print-tree.c (print_node): Print out interesting things for
15706 * tree-flow.h (struct subvar): Remove offset and size members.
15707 * tree-ssa-operands.c (get_expr_operands): Update for
15708 get_indirect_ref_operands changes.
15709 (get_indirect_ref_operands): Call add_virtual_operand instead of
15710 add_stmt_operand. Only recurse on base var if requested.
15711 (access_can_touch_variable): New function.
15712 (add_stmt_operand): Split virtual operand handling into ...
15713 (add_virtual_operand): Here. Add offset, size, and for_clobber
15714 arguments. Prune alias sets.
15715 (add_call_clobber_ops): Call add_virtual_operand.
15717 2006-02-15 Jakub Jelinek <jakub@redhat.com>
15719 PR middle-end/26300
15720 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
15722 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
15723 than TREE_CODE as index into omp_clause_num_ops array.
15725 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
15727 PR rtl-optimization/26184
15728 * modulo-sched.c (generate_reg_moves): Free bitmap vector
15730 * modulo-sched.c (sms_schedule): Free g_arr pointer.
15731 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
15732 must_precede, must_follow and tobe_scheduled.
15735 * opts.c (common_handle_option): Free new_option pointer.
15736 * df-core.c (df_analyze): Free postorder pointer.
15738 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
15740 * Makefile.in: Fix the examples about the use of stamps
15742 2006-02-15 Michael Matz <matz@suse.de>
15744 PR middle-end/22275
15746 * stor-layout.c (layout_decl): Zero-width bitfields aren't
15747 influenced by maximum_field_alignment or DECL_PACKED.
15748 (update_alignment_for_field): Ditto.
15749 (place_field): Ditto.
15750 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
15753 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
15755 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
15756 (debug_flow_info): Pass it.
15757 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
15758 * bb-reorder.c (reorder_basic_blocks): Likewise.
15759 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
15760 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
15761 * flow.c (life_analysis, recompute_reg_usage): Likewise.
15762 * gcse.c (gcse_main, bypass_jumps): Likewise.
15763 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
15764 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
15765 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
15766 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
15767 * rtl.h (dump_flow_info): Adjust prototype.
15768 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
15769 * var-tracking.c (variable_tracking_main): Likewise.
15770 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
15771 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
15774 2006-02-15 Marcin Dalecki <martin@dalecki.de>
15776 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
15779 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
15781 PR tree-optimization/26209
15782 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
15783 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
15785 * tree-cfg.c (replace_uses_by): Do not alter cfg.
15787 2006-02-14 Roger Sayle <roger@eyesopen.com>
15789 PR middle-end/23670
15790 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
15791 (X,Y) and the corresponding symmetry related transformations.
15792 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
15793 (X,Y) and its symmetry related transformations.
15795 2006-02-14 Roger Sayle <roger@eyesopen.com>
15797 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
15800 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
15802 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
15804 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
15807 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
15808 support COMDAT group.
15809 * configure: Regenerate.
15811 2006-02-14 Roger Sayle <roger@eyesopen.com>
15813 PR middle-end/26279
15814 PR middle-end/26280
15815 PR middle-end/26283
15816 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
15818 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
15820 Fix PR tree-optimization/26260
15822 * doc/invoke.texi (max-fields-for-field-sensitive): Document
15824 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
15825 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
15826 * tree-ssa-structalias.c (create_variable_info_for): Use
15827 MAX_FIELDS_FOR_FIELD_SENSITIVE.
15829 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
15831 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
15833 * tree-ssa-loop-niter.c (number_of_iterations_ne,
15834 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
15835 of the ending condition.
15836 * tree-ssa-loop-manip.c: Include params.h.
15837 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
15838 tree_unroll_loop): New functions.
15839 * tree-pass.h (pass_loop_prefetch): Declare.
15840 * loop.c (rest_of_handle_loop_optimize): Test for
15841 -fprefetch-loop-arrays-rtl.
15842 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
15843 * timevar.def (TV_TREE_PREFETCH): New timevar.
15844 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
15845 pass_loop_prefetch): New.
15846 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
15847 (cleanup_tree_cfg_loop): Call scev_reset.
15848 * common.opt (fprefetch-loop-arrays-rtl): Add.
15849 * tree-ssa-loop-prefetch.c: New file.
15850 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
15851 (new_temp_expr_table): Initialize expr_vars.
15852 (free_temp_expr_table): Cleanup expr_vars.
15853 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
15854 expressions from being merged into one.
15855 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
15856 (struct tree_niter_desc): Add control, bound and cmp fields.
15857 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
15859 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
15860 (tree-cfgcleanup.o): Add SCEV_H dependency.
15861 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
15862 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
15864 2006-02-14 Richard Guenther <rguenther@suse.de>
15866 PR tree-optimization/26258
15867 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
15868 in PHI argument processing.
15870 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
15872 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
15873 new expression in the requested machine mode.
15875 2006-02-13 Roger Sayle <roger@eyesopen.com>
15877 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
15878 directly, instead let do_compare_rtx_and_jump handle this for us.
15879 * expr.c (expand_expr_real_1): Likewise.
15880 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
15881 before do_jump_by_parts_greater.
15882 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
15883 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
15885 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15887 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
15889 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
15891 PR rtl-optimization/26235
15892 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
15893 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
15896 2006-02-13 Jeff Law <law@redhat.com>
15898 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
15901 2006-02-13 Jakub Jelinek <jakub@redhat.com>
15903 PR middle-end/26092
15904 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
15905 twice if decl is a builtin. When trying again, call get_callee_fndecl
15906 first to verify it is still a builtin.
15908 2006-02-13 Geoffrey Keating <geoffk@apple.com>
15910 * dwarf2out.c (base_type_die): Don't add AT_name here.
15911 (subrange_type_die): Don't add AT_name here.
15912 (modified_type_die): Rearrange code flow. Do add AT_name here.
15914 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
15916 PR rtl-optimization/26247
15917 PR rtl-optimization/26248
15918 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
15920 2006-02-13 Richard Sandiford <richard@codesourcery.com>
15922 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
15923 * config/fixtfdi.c: Likewise.
15924 * config/fixunstfdi.c: Likewise.
15925 * config/floatditf.c: Likewise.
15927 2006-02-13 Roger Sayle <roger@eyesopen.com>
15929 PR middle-end/24427
15930 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
15931 into (X,C2) if C1 is a subset of the bits of C2. Transform
15932 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
15934 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
15936 2006-02-13 Josh Conner <jconner@apple.com>
15939 * varasm.c (function_section): Check for section name before
15940 calling select_section on targets that define
15941 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
15942 unlikely_text_section instead of hot_function_section if
15943 first_function_block_is_cold.
15945 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
15947 PR middle-end/25335
15948 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
15950 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
15952 PR rtl-optimization/26222
15953 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
15954 after tree->rtl expansion.
15955 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
15956 before passing it to emit_move_insn.
15958 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
15960 * doc/invoke.texi (-Write-strings): Document that it is enabled by
15962 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
15963 Clarify documentation.
15964 * c-common.h (warn_write_strings): Remove.
15965 * c-common.c (warn_write_strings): Likewise.
15966 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
15969 2006-02-12 Roger Sayle <roger@eyesopen.com>
15971 PR middle-end/25724
15972 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
15973 (do_jump_parts_zero_rtx): New function renamed from
15974 do_jump_parts_equality_rtx. Made static. Add a mode argument.
15975 (do_jump_parts_equality_rtx): New function split out from
15976 do_jump_parts_equality. Old implementation renamed as above.
15977 Call do_jump_parts_zero_rtx if either operand is zero.
15978 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
15979 do all of the heavy lifting.
15980 (do_compare_rtx_and_jump): Handle multi-word comparisons by
15981 calling either do_jump_by_parts_greater_rtx or
15982 do_jump_by_parts_equality_rtx.
15983 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
15984 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
15985 moved to do_compare_rtx_and_jump, call it directly.
15986 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
15987 mode argument. Call do_compare_rtx_and_jump.
15988 (emit_case_nodes): Update calls to do_jump_if_equal.
15990 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
15992 PR rtl-optimization/26225
15993 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
15995 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
15997 PR rtl-optimization/26232
15998 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
16000 2006-02-11 Jason Merrill <jason@redhat.com>
16003 * tree-inline.c (declare_return_variable): Just don't use the
16004 modify target if it's a gimple complex reg and the return slot
16007 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16009 * doc/contrib.texi: Update my entry.
16011 2006-02-10 Geoffrey Keating <geoffk@apple.com>
16013 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
16015 2006-02-10 Diego Novillo <dnovillo@redhat.com>
16017 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
16020 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
16022 * doc/invoke.texi (-floop-optimize2): Removed.
16023 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
16024 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
16025 Test flag_branch_on_count_reg only if HAVE_doloop_end.
16026 * common.opt (floop-optimize2): Removed.
16027 (fmove-loop-invariants): Enabled by default.
16029 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
16031 * tree-if-conv.c (combine_blocks): Free the result of
16032 get_loop_exit_edges.
16034 2006-02-10 Jeff Law <law@redhat.com>
16036 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
16038 PR tree-optimization/26213
16039 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
16040 loop trying to follow SSA_NAME_VALUE chains.
16042 2006-02-10 Richard Guenther <rguenther@suse.de>
16044 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
16045 deal with structures that end in implicitly variable sized arrays.
16047 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
16049 PR rtl-optimization/24762
16050 * df-scan.c (df_bb_refs_record): Record correct registers defined on
16053 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
16055 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
16056 (struct ivopts_data): Add regs_used field.
16057 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
16058 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
16059 instead of loop_data->regs_used;
16060 (free_loop_data): Do not free aux fields for loops.
16061 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
16062 and tree_ssa_iv_optimize_finalize.
16064 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
16066 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
16068 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
16071 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
16072 computing the effective result type.
16074 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
16076 PR inline-asm/16194
16077 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
16078 (tree_overlaps_hard_reg_set): Declare.
16079 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
16080 type and signature to match function type expected by walk_tree.
16081 (tree_overlaps_hard_reg_set): New function.
16082 (decl_conflicts_with_clobbers_p): Rename to:
16083 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
16084 Use tree_overlaps_hard_reg_set. Changed caller.
16085 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
16086 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
16087 * cris.c (cris_md_asm_clobbers): Likewise.
16089 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
16091 * reload1.c (emit_input_reload_insns): Delete code that tries to
16092 inherit using find_equiv_reg.
16094 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
16096 * c-common.h (flag_const_strings): Don't declare.
16097 * c-common.c (flag_const_strings): Remove.
16098 * c.opt (fconst_strings): Remove.
16099 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
16100 <OPT_Wwrite_strings>: Don't set flag_const_strings.
16101 (c_common_init_options): Don't set flag_const_strings.
16102 * doc/invoke.texi (-fno-const-strings): Remove documentation.
16104 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
16106 * arm.md (tlobits_cbranch): New pattern.
16107 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
16108 testing a single bit.
16110 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
16113 * tree-ssa-pre.c (create_component_ref_by_pieces):
16114 Handle RETURN_DECL like VAR_DECL.
16116 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
16118 PR middle-end/26134
16119 * fold-const.c (fold_indirect_ref_1): Fold
16120 "*(foo *)&complexfoo" to "__real__ complexfoo"
16121 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
16123 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
16125 * tree-flow-inline.h (var_can_have_subvars):
16126 Volatile variables should not have subvariables.
16128 2006-02-09 Diego Novillo <dnovillo@redhat.com>
16131 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
16132 multiplying unsigned values.
16135 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
16137 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
16139 2006-02-08 Jason Merrill <jason@redhat.com>
16142 * tree.def: Elaborate on difference from MODIFY_EXPR.
16143 * doc/c-tree.texi (INIT_EXPR): Likewise.
16144 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
16145 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
16146 (gimplify_target_expr): Likewise.
16147 (gimplify_cond_expr): Remove target handling.
16148 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
16149 (gimplify_expr): Clobber it here.
16150 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
16151 Do return slot optimization if we have an INIT_EXPR.
16154 * tree-inline.c (declare_return_variable): Also clear
16155 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
16158 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
16160 PR middle-end/22439
16161 * gimplify.c (gimplify_one_sizepos): Fix typo.
16163 2006-02-08 Jeff Law <law@redhat.com>
16165 PR tree-optimization/21417
16166 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
16167 across a backedge if the control statement at the end of the
16168 block is data dependent on other statements in the same block.
16169 (record_temporary_equivalences_from_stmts): Remove over-conservative
16170 test for threading across backedges.
16172 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
16173 control statement, handle all three special cases in the same
16174 manner as they all have the same desired solution. No longer
16175 special case edge flag updating when the post dominator is
16178 2006-02-08 Roger Sayle <roger@eyesopen.com>
16180 * tree.def (CHAR_TYPE): Remove.
16181 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
16182 * dwarf2out.c (base_type_die, is_base_type): Likewise.
16183 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
16184 (gen_string_type_die): Delete unreachable function.
16186 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
16187 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
16188 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
16189 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
16190 * builtins.c (type_to_class): Likewise.
16191 * fold-const.c (fold_convert, build_range_check,
16192 merge_ranges): Likewise.
16193 * expr.c (count_type_elements): Likewise.
16194 * c-pretty-print.c (pp_c_type_specifier): Likewise.
16195 * stor-layout.c (layout_type): Likewise.
16196 * ipa-type-escape.c (type_to_consider): Likewise.
16197 * gimplify.c (omp_firstprivatize_type_sizes,
16198 gimplify_type_sizes): Likewise.
16199 * explow.c (promote_mode): Likewise.
16200 * tree-sra.c (is_sra_scalar_type): Likewise.
16201 * varasm.c (output_constant): Likewise.
16202 * tree-inline.c (remap_type_1): Likewise.
16203 * convert.c (convert_to_pointer, convert_to_real,
16204 convert_to_integer, convert_to_complex): Likewise.
16206 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
16208 * df-scan.c (df_def_record_1): A set destination may
16209 be a parallel regardless of mode.
16211 2006-02-08 Roger Sayle <roger@eyesopen.com>
16214 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
16215 * config/mips/_tilib.c: Remove.
16216 * config/fixtfdi.c: New libgcc source file.
16217 * config/fixunstfdi.c: New source file.
16218 * config/floatditf.c: New source file.
16219 * config/floatunditf.c: New souce file.
16220 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
16221 files above instead of config/mips/_tilib.c.
16222 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
16224 2006-02-08 Jeff Law <law@redhat.com>
16226 PR tree-optimization/26169
16227 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
16230 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
16232 * df.h (DF_REG_SIZE): Return the length of the initialized
16235 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
16237 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
16238 __muldf3): Return a correctly signed zero.
16240 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
16242 * passes.c (register_one_dump_file): Accept the current properties
16243 instead of pass number. Adjust call to dump_register. Remove
16245 (register_dump_files): Now a wrapper around...
16246 (register_dump_files_1): ... this one. Do not modify the pass
16248 (next_pass_1): Cosmetic fix.
16249 (execute_todo): Keep second parameter only. Use curr_properties
16250 instead of fetching it from the pass structure. Check and set
16252 (execute_one_pass): Handle TODO_set_props. Use curr_properties
16253 instead of fetching it from the pass structure. Fix calls to
16254 execute_todo. Update curr_properties and initialize .vcg RTL dump
16255 after running the pass. Reset last_verified.
16256 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
16258 (FIRST_AUTO_NUMBERED_DUMP): New.
16259 (dump_register): Remove "num" parameter, assign it within the
16261 (get_dump_file_name): Modify template for dumps.
16262 * tree-dump.h (dump_register): Adjust prototype.
16263 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
16264 (PROP_trees): Add PROP_gimple_lomp.
16265 (TODO_set_props): New.
16266 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
16267 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
16268 * cfgexpand.c (pass_expand): Destroy PROP_trees.
16270 2006-02-08 Jakub Jelinek <jakub@redhat.com>
16272 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
16273 (sparc64-*-linux*): Likewise.
16274 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
16275 * config/sparc/t-linux: New file.
16276 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
16277 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
16278 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
16279 -m32 -mlong-double-128.
16281 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
16282 * config/alpha/t-linux: New file.
16283 * config/alpha/libgcc-alpha-ldbl.ver: New file.
16285 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
16286 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
16287 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
16288 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
16289 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
16290 (CPP_ARCH32_SPEC): Remove.
16292 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
16294 PR tree-optimization/26145
16295 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
16298 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16301 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
16302 >= 240000 when generating code for SOM runtime.
16303 (output_indirect_call): Don't use "b,l" instruction for indirect calls
16304 to $$dyncall when generating code for SOM runtime..
16306 2006-02-07 Dirk Mueller <dmueller@suse.com>
16309 * doc/invoke.texi (-Wsequence-point): Update documentation
16310 that -Wsequence-point is implemented for C++ as well.
16312 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
16314 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
16315 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
16316 (LIB_SPEC): Likewise.
16317 * doc/invoke.texi (SPARC options): Document -pthread.
16319 2006-02-07 Geoffrey Keating <geoffk@apple.com>
16321 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
16324 2006-02-07 Roger Sayle <roger@eyesopen.com>
16326 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
16327 Correct comment describing BOOLEAN_TYPE.
16329 2006-02-07 Dirk Mueller <dmueller@suse.com>
16331 * c.opt: C++ frontend supports -Wdiv-by-zero.
16332 * c-opts.c (c_common_handle_option): Remove dead case.
16334 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
16336 * configure.ac (TLS assembler check): Do not enable TLS by
16337 default on SPARC/Solaris before version 10.
16338 * configure: Regenerate.
16340 2006-02-07 David Edelsohn <edelsohn@gnu.org>
16342 * doc/invoke.texi (xl-compat): Document conversion and support
16345 2006-02-07 Jeff Law <law@redhat.com>
16347 * tree-vrp.c (find_conditional_asserts): Update comments.
16348 (simplify_stmt_for_jump_threading): New.
16349 (identify_jump_threads, finalize_jump_threads): New.
16350 (vrp_finalize): Call identify_jump_threads.
16351 (execute_vrp): Call finalize_jump_threads.
16352 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
16353 (vrp_element, vrp_data, vrp_element_p): Remove.
16354 (vrp_hash_elt, vrp_variables_stack): Remove.
16355 (vrp_hash, vrp_eq, record_range): Remove.
16356 (simplify_cond_and_lookup_avail_expr): Remove.
16357 (extract_range_from_cond): Remove.
16358 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
16359 (simplify_stmt_for_jump_threading): New.
16360 (dom_thread_across_edge): New wrapper.
16361 (tree_ssa_dominator_optimize): No longer initialize or
16362 finalize any of the VRP datastructures. Remove iteration
16363 step and simplify as a result of removal of iteration step.
16364 (pass_dominator): Perform a cfg cleanup after DOM.
16365 (dom_opt_finalize_block): Use the new common routines
16366 for threading jumps. Simplify stack management slightly.
16367 No longer need to unwind VRP state.
16368 (record_equivalences_from_incoming_edge): No longer record
16370 (eliminate_redundant_computations): No longer call
16371 simplify_cond_and_lookup_avail_expr.
16372 * tree-flow.h (potentially_threadable_block): Prototype.
16373 (thread_across_edge): Likewise.
16374 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
16375 (tree-ssa-threadedge.o): Add dependencies.
16376 * tree-ssa-threadedge.c: New file.
16377 * passes.c (init_optimization_passes): Merge PHIs before
16378 calling VRP. Run VRP again late in the SSA optimization pipeline.
16380 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
16382 * df-core.c (df_set_blocks): Do not dereference function pointers.
16383 (df_finish1): Likewise.
16384 (df_hybrid_search_forward): Likewise.
16385 (df_hybrid_search_backward): Likewise.
16386 (df_iterative_dataflow): Likewise.
16387 (df_analyze_problem): Likewise.
16388 (df_compact_blocks): Likewise.
16389 (df_dump): Likewise.
16390 * df-scan.c (df_rescan_blocks): Likewise.
16391 (df_record_entry_block_defs): Likewise.
16393 * genconditions.c (write_conditions): Guard the definition of
16394 'insn_conditions' with the check on GCC version.
16395 (write_writer): Guard the traversal 'insn_conditions' with
16396 the check on GCC version.
16398 2006-02-07 Richard Guenther <rguenther@suse.de>
16402 2006-01-30 Richard Guenther <rguenther@suse.de>
16404 * gimplify.c (gimplify_target_expr): Handle easy cases
16405 without creating a temporary.
16407 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
16409 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
16410 use of float in probability computations. Use edge probabilities
16411 in place of statically computed probabilities.
16412 (min_spec_prob): New static variable.
16413 (schedule_insns): Initialize it.
16414 (GET_SRC_PROB): Removed.
16415 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
16417 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
16420 * config/ia64/unwind-ia64.c: Revert last change.
16421 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
16422 (INCOMING_FRAME_SP_OFFSET): Define.
16424 2006-02-06 Roger Sayle <roger@eyesopen.com>
16426 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
16428 2006-02-07 Ben Elliston <bje@au.ibm.com>
16430 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
16431 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
16432 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
16433 (ix86_return_in_memory): Handle TDmode.
16434 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
16435 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
16437 2006-02-06 Richard Sandiford <richard@codesourcery.com>
16439 * reorg.c (dbr_schedule): Use dump_file instead of file.
16441 2006-02-06 Steve Ellcey <sje@cup.hp.com>
16444 * config/ia64/predicates.md (extr_len_operand): New predicate.
16445 * config/ia64/ia64.md (extv): Tighten constraints.
16447 (*tbit_and_2): Ditto.
16448 (*tbit_and_3): Ditto.
16449 (*tbit_or_2): Ditto.
16450 (*tbit_or_3): Ditto.
16451 (*bit_zero): Ditto.
16454 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
16457 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
16459 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
16461 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
16462 loop_optimizer_init and loop_optimizer_finalize
16463 * tree-ssa-sink.c (execute_sink_code): Ditto.
16464 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
16465 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
16466 tree_ssa_loop_done): Ditto.
16467 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
16468 * sched-ebb.c: Include output.h.
16469 (schedule_ebbs): Do not use dump argument.
16470 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
16471 * loop.c (loop_dump_stream): Removed.
16472 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
16474 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
16475 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
16476 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
16477 loop_iterations, strength_reduce, record_biv, record_giv,
16478 final_giv_value, check_final_value, check_ext_dependent_givs,
16479 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
16480 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
16481 dump_file instead of loop_dump_stream.
16482 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
16483 argument dump_file.
16484 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
16486 * flow.c (life_analysis, rest_of_handle_life): Ditto.
16487 * haifa-sched.c: Include output.h
16488 (schedule_insns, sched_init): Do not use dump argument.
16489 * mode-switching.c (optimize_mode_switching): Ditto.
16490 * modulo-sched.c (stats_file): Removed.
16491 (print_node_sched_params): Do not call argument dump_file.
16492 (sms_schedule_by_order, loop_canon_p, sms_schedule,
16493 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
16495 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
16497 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
16498 rtl_loop_init, rtl_loop_done): Ditto.
16499 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
16500 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
16502 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
16503 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
16504 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
16505 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
16506 * emit-rtl.c (renumber_insns): Ditto.
16507 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
16508 expand_gimple_basic_block, tree_expand_cfg): Ditto.
16509 * regclass.c (regclass): Ditto.
16510 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
16511 remove_ssa_form, rewrite_out_of_ssa): Ditto.
16512 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
16513 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
16515 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
16516 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
16518 * gcse.c (gcse_file, debug_stderr): Removed.
16519 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
16520 rest_of_handle_gcse): Do not use dump argument.
16521 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
16522 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
16523 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
16524 compute_code_hoist_vbeinout, compute_code_hoist_data,
16525 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
16526 compute_store_table, build_store_vectors, insert_insn_start_bb,
16527 insert_store, remove_reachable_equiv_notes, replace_store_insn,
16528 store_motion): Use dump_file instead of gcse_file.
16529 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
16530 * profile.c (profile_dump_file): Removed.
16531 (branch_prob): Use dump_file instead of profile_dump_file.
16532 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
16534 * tree-ssa-copy.c (dump_copy_of): Ditto.
16535 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
16536 dump file to life_analysis.
16537 * bt-load.c (branch_target_load_optimize): Ditto.
16538 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
16540 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
16541 regclass, dbr_schedule): Declaration changed.
16542 * sched-int.h (sched_init): Declaration changed.
16543 * tree-profile.c (tree_profile_dump_file): Removed.
16544 (tree_profile_hooks): Removed profile_dump_file hook.
16545 * rtl-profile (rtl_profile_dump_file): Removed.
16546 (rtl_profile_hooks): emoved profile_dump_file hook.
16547 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
16549 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
16550 * tree-cfg.c (build_tree_cfg): Ditto.
16551 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
16552 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
16553 Declaration changed.
16554 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
16555 life_analysis and schedule_insns.
16556 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
16558 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
16560 * config/mips/mips.c (mips_reorg): Ditto.
16561 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
16564 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
16566 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
16567 (s390_mangle_fundamental_type): New.
16568 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
16571 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
16572 (alpha_mangle_fundamental_type): New.
16573 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
16576 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
16578 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
16580 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
16581 (sparc_mangle_fundamental_type): New.
16583 2006-02-06 Jakub Jelinek <jakub@redhat.com>
16585 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
16586 (s390x-*-linux*): Likewise.
16587 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
16588 * config/s390/t-linux: New file.
16590 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
16592 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
16593 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
16595 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
16597 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
16598 (ANTIC_SAFE_LOADS): New macro.
16599 (find_or_generate_expression): Add prototype.
16600 (set_contains_value): Allow null set for sake of not always having
16601 to allocate ANTIC_SAFE_LOADS.
16602 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
16603 Allow COMPONENT_REF too.
16604 (valid_in_set): Allow COMPONENT_REF.
16605 Check ANTIC_SAFE_LOADS too.
16606 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
16607 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
16609 (can_PRE_operation): Add COMPONENT_REF.
16610 (create_component_ref_by_pieces): New function.
16611 (create_expression_by_pieces): Use create_component_ref_by_pieces.
16612 (insert_aux): Move AGGREGATE_TYPE_P check here.
16613 (compute_avail): Set bb local stmt uids.
16614 (pass_pre): Use TODO_update_ssa_only_virtuals.
16616 2006-02-06 Ben Elliston <bje@au.ibm.com>
16618 * configure.ac: Unconditionally disable decimal float by default.
16619 * configure: Regenerate.
16621 2006-02-06 Ben Elliston <bje@au.ibm.com>
16623 * read-rtl.c (read_name): Terminate reading on EOF.
16625 2006-02-06 Ben Elliston <bje@au.ibm.com>
16627 * dfp.c (decimal_real_arithmetic): Change second argument type
16628 from int to enum tree_code. Do not always return true, but now
16629 return result of any call to decimal_do helper functions.
16630 * dfp.h (decimal_real_arithmetic): Update prototype.
16632 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
16634 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
16636 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
16639 * tree-cfg.c (cleanup_dead_labels): Also don't remove
16642 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
16644 * tree-vrp.c (cfg_loops): Removed.
16645 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
16646 Use current_loops instead of cfg_loops. Pass flags to
16647 loop_optimizer_init.
16648 * cfgloopmanip.c (fix_loop_structure): Update only available
16650 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
16651 loop_optimizer_init.
16652 * modulo-sched.c (build_loops_structure): Removed.
16653 (sms_schedule): Use loop_optimizer_init.
16654 * loop-init.c (loop_optimizer_init): Use flags to determine
16655 which properties of loops to prepare.
16656 (rtl_loop_init): Pass flags to loop_optimizer_init.
16657 * tree-ssa-sink.c (execute_sink_code): Ditto.
16658 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
16659 * tree-ssa-pre.c (init_pre): Ditto.
16660 * cfgloop.h (LOOPS_NORMAL): New.
16661 (loop_optimizer_init): Declaration changed.
16663 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16665 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
16666 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
16668 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
16670 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
16672 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
16673 * pa/t-pa64: Delete quadlib.c rule.
16674 * pa/x-ada: Revert last change.
16675 * pa/t-pa: Revert last change. Delete quadlib.c rule.
16677 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
16679 PR rtl-optimization/26087
16680 * rtlanal.c (canonicalize_condition): Do not cross basic block
16683 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
16686 * config/ia64/ia64.c: Include debug.h.
16687 (MAX_ARTIFICIAL_LABEL_BYTES): New.
16688 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
16689 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
16690 (process_epilogue, process_set, process_for_unwind_directive):
16691 Output unwind info only if requested. Add CFA info if requested.
16692 Add new arguments as needed. Adjust callers.
16693 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
16695 (DWARF2_FRAME_INFO): Define to zero.
16696 * config/ia64/unwind-ia64.c: Remove code that compensated for
16697 the CFA offset error fixed above.
16698 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
16699 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
16700 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
16701 -funwind-tables and -fexceptions to enable frame info.
16702 (dwarf2out_frame_init): Define initial CFA even if
16703 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
16704 DWARF2_UNWIND_INFO is nonzero, not just defined.
16705 (dwarf2out_frame_finish): Output non-EH call frame info only
16706 if DWARF2_FRAME_INFO is nonzero.
16707 (convert_cfa_to_loc_list,
16708 compute_frame_pointer_to_cfa_displacement): Define even if
16709 unwind info is not supported.
16710 (gen_subprogram_die): Use the above unconditionally. Remove
16711 legacy alternate code.
16712 * toplev.c (compile_file): Compile in call to
16713 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
16714 (lang_dependent_init): Ditto for dwarf2out_frame_init.
16716 2006-02-04 David Edelsohn <edelsohn@gnu.org>
16717 Jakub Jelinek <jakub@redhat.com>
16719 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
16720 IBM extended float format long double as "g" on powerpc*-linux.
16722 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16725 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
16726 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
16728 2006-02-03 Jason Merrill <jason@redhat.com>
16731 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
16733 PR middle-end/25977
16734 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
16735 on the return slot if it's an NRV.
16737 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
16739 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
16740 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
16741 rewrite_use): Do not handle USE_OUTER.
16742 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
16743 add_iv_outer_candidates, may_replace_final_value,
16744 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
16745 (find_interesting_uses_op): Functionality of
16746 find_interesting_uses_outer_or_nonlin moved here.
16747 (find_interesting_uses_outside): Use find_interesting_uses_op.
16749 2006-02-03 Alan Modra <amodra@bigpond.net.au>
16752 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
16754 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
16755 Ulrich Weigand <uweigand@de.ibm.com>
16758 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
16759 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
16760 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
16761 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
16763 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
16764 (s390_rtx_costs): Use the new fields to calculate rtx costs.
16765 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
16766 Define secondary reloads for TFmode moves.
16767 (constant_modes): Add TFmode.
16768 (NR_C_MODES): Set to 8.
16769 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
16771 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
16772 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
16773 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
16774 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
16775 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
16776 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
16777 (FPR mode macro): Add TFmode.
16778 (DSF mode macro): New.
16779 (<de>, <dee> mode attributes): Removed.
16780 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
16781 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
16782 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
16783 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
16784 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
16785 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
16786 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
16787 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
16788 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
16789 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
16790 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
16791 "*negabs<mode>2", "sqrt<mode>2"):
16792 Changed <de> to <xde>. R constraint replaced by <Rf>.
16793 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
16795 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
16796 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
16797 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
16799 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
16800 "extenddftf2", "extendsftf2"): New expanders.
16801 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
16802 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
16803 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
16804 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
16806 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
16807 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
16808 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
16809 __floatditf): Add a GCC_4.1.0 symbol version tag.
16810 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
16813 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
16816 * config/i386/i386.c (ix86_function_ok_for_sibcall):
16817 Use targetm.binds_local_p instead of TREE_PUBLIC.
16819 2006-02-02 Roger Sayle <roger@eyesopen.com>
16821 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
16822 on INTEGER_TYPEs to indicate that it denotes a character type.
16823 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
16824 signed_char_type_node, unsigned_char_type_node and char_type_node.
16825 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
16826 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
16827 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
16829 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
16830 Daniel Berlin <dberlin@dberlin.org>
16832 * tree-tailcall.c (arg_needs_copy_p): New function.
16833 (eliminate_tail_call): Use arg_needs_copy_p.
16834 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
16835 (add_virtual_phis): New function.
16837 2006-02-02 Jakub Jelinek <jakub@redhat.com>
16839 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
16840 #ignore instead of #scratch for %g7 .register directive.
16842 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
16844 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
16847 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
16849 * flow.c (calculate_global_regs_live): Assert that there aren't any
16852 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
16854 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
16855 what its name says.
16856 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
16857 bsi_after_labels iterator.
16858 * tree-if-conv.c (find_phi_replacement_condition,
16859 replace_phi_with_cond_modify_expr): Likewise.
16860 * tree-scalar-evolution.c (scev_const_prop): Likewise.
16861 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
16863 2006-02-02 Diego Novillo <dnovillo@redhat.com>
16865 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
16867 2006-02-02 Diego Novillo <dnovillo@redhat.com>
16870 * tree-cfg.c (move_block_to_fn): Clear out the basic block
16871 array after growing it.
16873 2006-02-01 Steve Ellcey <sje@cup.hp.com>
16875 PR middle-end/24901
16876 * fold-const.c (fold_checksum_tree): Change type of buf.
16878 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
16880 * reload.c (push_secondary_reload): Initialize t_icode.
16882 2006-02-01 Jakub Jelinek <jakub@redhat.com>
16884 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
16885 -msoft-float -mlong-double-128 only issue a warning, but don't
16886 swich to DFmode long double.
16888 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
16890 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
16891 has a constant equivalent, iterate over equivalents for arg0,
16892 calling simplify_relational_operation and if there's a result
16893 cheaper than X, apply fold_rtx and return the result.
16895 2006-02-01 Jan Hubicka <jh@suse.cz>
16897 * opts.c (no_unit_at_a_time_default): New global variable.
16898 (decode_options): Use it.
16899 * opts.h (no_unit_at_a_time_default): Declare.
16901 2006-02-01 Paul Brook <paul@codesourcery.com>
16903 * function.c (assign_parm_setup_reg): Use function argument promotion
16905 * expr.c (expand_expr_real_1): Use function argument promotion rules
16908 2006-02-01 Steve Ellcey <sje@cup.hp.com>
16910 * gcc.c (process_command): Change j to 'unsigned int'.
16912 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
16914 PR middle-end/26001
16915 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
16916 Use the corrected index for the character
16917 out of the string constant.
16919 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
16921 * mode-switching.c (optimize_mode_switching): Fix size
16922 allocated for bb_info[n_entities].
16924 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
16926 * gcc.c (main): Correct type that is allocated for
16927 explicit_link_files.
16929 2006-01-31 Jakub Jelinek <jakub@redhat.com>
16931 * config/s390/s390.c (init_alignment_context): Set
16932 ALIAS_SET_MEMORY_BARRIER on the MEM.
16933 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
16935 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
16937 PR middle-end/25933
16938 * loop-unroll.c (unroll_loop_runtime_iterations): Free
16940 * tree-ssa-live.c (type_var_init): Allocate bitmap after
16943 2006-01-31 Marcin Dalecki <martin@dalecki.de>
16945 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
16946 * regrename.c: Ditto.
16947 * tree-ssa-loop-im.c: Ditto.
16948 * tree-dump.c: Ditto.
16949 * tree-complex.c: Ditto.
16950 * genrecog.c: Ditto.
16951 * tree-ssa-threadupdate.c: Ditto.
16953 * java/class.c: Ditto.
16954 * java/jcf-parse.c: Ditto.
16955 * java/resource.c: Ditto.
16956 * java/except.c: Ditto.
16957 * java/jvspec.c: Ditto.
16958 * java/jcf-write.c: Ditto.
16959 * java/jcf-path.c: Ditto.
16960 * java/gjavah.c: Ditto.
16961 * java/zextract.c: Ditto.
16962 * java/jcf-io.c: Ditto.
16963 * java/jcf.h: Ditto.
16964 * java/buffer.c: Ditto.
16965 * java/lang.c: Ditto.
16966 * java/parse-scan.y: Ditto.
16967 * java/lex.c: Ditto.
16968 * java/lex.h: Ditto.
16969 * cfgloopmanip.c: Ditto.
16970 * postreload-gcse.c: Ditto.
16971 * tree-ssa-loop-manip.c: Ditto.
16972 * postreload.c: Ditto.
16973 * tree-ssa-loop-ch.c: Ditto.
16976 * cppspec.c: Ditto.
16977 * diagnostic.c: Ditto.
16979 * genoutput.c: Ditto.
16981 * cfghooks.c: Ditto.
16982 * cfgloopanal.c: Ditto.
16983 * objc/objc-act.c: Ditto.
16985 * genextract.c: Ditto.
16986 * genautomata.c: Ditto.
16987 * pretty-print.c: Ditto.
16988 * genemit.c: Ditto.
16989 * cgraphunit.c: Ditto.
16991 * df-scan.c: Ditto.
16992 * haifa-sched.c: Ditto.
16993 * dominance.c: Ditto.
16995 * tree-ssa-loop-ivopts.c: Ditto.
16996 * df-core.c: Ditto.
16997 * mode-switching.c: Ditto.
16998 * modulo-sched.c: Ditto.
17000 * ipa-pure-const.c: Ditto.
17002 * fix-header.c: Ditto.
17004 * tree-stdarg.c: Ditto.
17005 * ipa-utils.c: Ditto.
17006 * loop-init.c: Ditto.
17007 * ipa-inline.c: Ditto.
17008 * cfganal.c: Ditto.
17010 * alloc-pool.c: Ditto.
17011 * dwarf2out.c: Ditto.
17013 * genattrtab.c: Ditto.
17014 * tree-ssa-loop-ivcanon.c: Ditto.
17015 * predict.c: Ditto.
17016 * timevar.c: Ditto.
17018 * fortran/gfortranspec.c: Ditto.
17019 * regmove.c: Ditto.
17020 * local-alloc.c: Ditto.
17021 * langhooks.c: Ditto.
17022 * function.c: Ditto.
17023 * tree-vectorizer.c: Ditto.
17025 * ipa-type-escape.c: Ditto.
17027 * tree-if-conv.c: Ditto.
17028 * profile.c: Ditto.
17030 * tree-data-ref.c: Ditto.
17031 * loop-unroll.c: Ditto.
17032 * treelang/treetree.c: Ditto.
17034 * bt-load.c: Ditto.
17035 * ggc-common.c: Ditto.
17037 * coverage.c: Ditto.
17039 * tree-cfgcleanup.c: Ditto.
17040 * tree-ssa-pre.c: Ditto.
17041 * cfgcleanup.c: Ditto.
17042 * loop-invariant.c: Ditto.
17043 * loop-iv.c: Ditto.
17044 * ipa-prop.c: Ditto.
17045 * print-tree.c: Ditto.
17046 * conflict.c: Ditto.
17047 * ggc-page.c: Ditto.
17048 * sched-deps.c: Ditto.
17049 * regclass.c: Ditto.
17050 * tree-object-size.c: Ditto.
17051 * combine.c: Ditto.
17052 * bb-reorder.c: Ditto.
17053 * resource.c: Ditto.
17054 * var-tracking.c: Ditto.
17055 * cfgloop.c: Ditto.
17056 * df-problems.c: Ditto.
17057 * reg-stack.c: Ditto.
17059 * gccspec.c: Ditto.
17060 * sched-rgn.c: Ditto.
17061 * tree-ssa-structalias.c: Ditto.
17062 * tree-ssa-reassoc.c: Ditto.
17063 * config/darwin-c.c: Ditto.
17064 * config/darwin.c: Ditto.
17065 * config/arm/arm.c: Ditto.
17067 * collect2.c: Ditto.
17068 * reload1.c: Ditto.
17070 2006-01-31 Nicolas Pitre <nico@cam.org>
17072 * arm.md (smaxsi3): Make aware of smax_m1.
17075 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
17077 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
17079 2006-01-31 Richard Guenther <rguenther@suse.de>
17081 * doc/invoke.texi (-msselibm): Document.
17082 * target.h (expand_library_builtin): New target hook.
17083 * builtins.c (expand_builtin): Use expand_library_builtin.
17084 (default_expand_library_builtin): New function.
17085 * gcc.c (LINK_GCC_MATH_SPEC): Define.
17086 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
17087 (link_gcc_math_spec): Declare.
17088 (static_specs): Add link_gcc_math_spec.
17089 * expr.h (default_expand_library_builtin): Declare.
17090 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
17091 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
17092 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
17093 * config/i386/i386.opt (msselibm): New target option.
17094 * config/i386/i386.c (ix86_builtin_function_variants): New array.
17095 (ix86_init_sse_abi_builtins): New function.
17096 (ix86_expand_library_builtin): Likewise.
17097 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
17098 (override_options): Handle error conditions wrt -msselibm.
17099 (ix86_builtins): Add function codes for SSE2 ABI builtins.
17100 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
17101 * doc/extend.texi (__builtin_sse2_*): Document new target specific
17104 2006-01-31 Richard Guenther <rguenther@suse.de>
17105 Paolo Bonzini <bonzini@gnu.org>
17107 * doc/install.texi (--disable-libgcc-math): Document.
17109 2006-01-30 Marcin Dalecki <martin@dalecki.de>
17111 * expr.h (expand_normal): new inline function.
17112 * builtins.c: use it, use EXPAND_NORMAL explicitely.
17113 * dojump.c: use it.
17114 * dwarf2out.c: use it.
17117 * expmed.c: use it.
17118 * except.c: use it.
17119 * config/sparc/sparc.c: use it.
17120 * config/i386/i386.c: use it.
17121 * config/rs6000/rs6000.c: use it.
17122 * config/arm/arm.c: use it.
17123 * config/mips/mips.c: use it.
17124 * stmt.c: use it, use EXPAND_NORMAL explicitely.
17126 2006-01-30 Roger Sayle <roger@eyesopen.com>
17128 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
17129 argv to the appropriate type.
17131 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
17133 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
17136 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
17139 * config/s390/s390.c (struct machine_function): New flag
17140 decomposed_literal_pool_addresses_ok_p.
17141 (s390_reorg): Set it before final stage of literal pool transforms.
17142 (s390_decompose_address): Only accept displacements of the form
17143 (minus (label_ref ...) (label_ref ...)) if that flag is set.
17145 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
17147 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
17148 the comparison routine return.
17150 2006-01-30 Michael Matz <matz@suse.de>
17152 * global.c (find_reg): Only evict for global regs.
17153 Take n_refs into account and dump more info.
17155 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
17158 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
17159 (pragma_trap, pragma_nosave_low_regs): Likewise.
17160 (current_function_anonymous_args): Likewise.
17161 (sh_deferred_function_attributes): New variable.
17162 (sh_deferred_function_attributes_tail): Likewise.
17163 (print_operand): For '@', look up trap_exit attribute.
17164 (calc_live_regs): Look up trapa_handler attribute. For trapa
17165 handlers, save/restore fpscr, but don't do any other
17166 interrupt-specific saves.
17167 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
17168 Fix check for partially saved registers to check for SHmedia.
17169 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
17170 (sh_output_function_epilogue): Don't clear any of the removed
17172 (sh_insert_attributes): Don't check pragma_interrupt.
17173 Insert deferred attributes. Check that interrupt attribute is
17174 present for other attributes that require its presence.
17175 (sh_attribute_table): Add new attributes trapa_handler and
17177 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
17178 Don't check for pragma_interrupt. Don't store argument.
17179 * sh.h (pragma_interrupt, sp_switch): Don't declare.
17180 (sh_deferred_function_attributes): Declare.
17181 (sh_deferred_function_attributes_tail): Likewise.
17182 * sh.md (sp_switch_1): Add operand. Change generator caller.
17183 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
17184 (*return_i): Don't use when trap_exit attribute is in effect.
17185 (*return_trapa): New insn pattern.
17186 * sh-c.c: New file.
17187 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
17188 setting c_target_objs and cxx_target_objs.
17189 * t-sh: Add rule for sh-c.o.
17191 2006-01-30 Richard Guenther <rguenther@suse.de>
17194 * gimplify.c (gimplify_target_expr): Handle easy cases
17195 without creating a temporary.
17197 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
17199 * vec.h (safe_grow): Remove duplicated line.
17201 2006-01-29 Diego Novillo <dnovillo@redhat.com>
17204 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
17205 (expand_omp): ... here.
17206 (expand_omp_parallel): Only remove barriers for combined
17207 parallel+workshare constructs.
17209 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
17213 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
17214 * tree.c (build_qualified_type): Chain the new type to the original
17215 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
17216 a POINTER_TYPE or a REFERENCE_TYPE respectively.
17217 (build_pointer_type_for_mode): Only return unqualified types.
17218 (build_reference_type_for_mode): Likewise.
17220 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
17222 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
17223 * Makefile.in (CXX_COMPAT_WARN): Define.
17224 * configure: Regenerate.
17226 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
17229 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
17232 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
17234 * toplev.c: Fix thinko.
17236 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
17237 Marcin Dalecki <martin@dalecki.de>
17239 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
17240 (push_srcloc): Use XNEW.
17241 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
17243 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
17245 * df-core.c (df_set_blocks): Deleted all variable.
17247 2006-01-28 Ian Lance Taylor <ian@airs.com>
17249 * cgraphunit.c (cgraph_assemble_pending_functions): Call
17250 cgraph_output_pending_asms.
17252 2006-01-28 Zack Weinberg <zackw@panix.com>
17254 * c.opt: Add -W(no-)overlength-strings.
17255 * doc/invoke.texi: Document it.
17256 * c-opts.c (c_common_handle_option): -pedantic implies
17257 -Woverlength-strings, if not explicitly disabled already.
17258 (c_common_post_options): -Woverlength-strings defaults to off, and
17259 is always off for C++.
17260 * c-common.c (fix_string_type): Issue warning about strings longer
17261 than is portable only if warn_overlength_strings. Rearrange code
17262 a little for clarity.
17263 * configure.in: Check for -Wno-overlength-strings as well before
17264 enabling -pedantic in stage 1.
17265 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
17266 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
17268 * genconditions.c (write_header, write_one_condition)
17269 (write_conditions, write_writer): Consolidate very long strings
17270 that were broken up to fit in C89 portable limit. Don't use
17271 printf when fputs will do.
17273 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
17275 * combine.c (simplify_comparison <AND>): Check
17276 TRULY_NOOP_TRUNCATION before start using a subreg.
17278 * config/mips/mips.md (*branch_zero<mode>,
17279 *branch_zero<mode>_inverted, *branch_equality<mode>,
17280 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
17281 Remove mode check from comparisons.
17283 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
17285 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
17287 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
17289 * expmed.c (const_mult_add_overflow_p): Remove.
17290 * expr.h: Remove the prototype for const_mult_add_overflow_p.
17292 * recog.c (validate_replace_rtx_subexp): Remove.
17293 * recog.h: Remove the prototype for
17294 validate_replace_rtx_subexp.
17296 * integrate.h: Remove the prototype for
17297 copy_decl_for_inlining.
17298 * rtl.h: Remove the prototype for mark_constant_function.
17299 * tree-vectorizer.h: Remove the prototype for
17300 vect_strip_conversion.
17302 * modulo-sched.c (create_partial_schedule,
17303 free_partial_schedule, reset_partial_schedule): Make them
17306 * hooks.c (hook_bool_rtx_int_false): Remove.
17307 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
17309 2006-01-28 David Edelsohn <edelsohn@gnu.org>
17311 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
17312 and -mlong-double-128 are incompatible.
17313 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
17314 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
17315 (TARGET_LIBGCC2_CFLAGS): Define.
17316 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
17317 (TARGET_LIBGCC2_CFLAGS): Same.
17318 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
17320 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
17323 * c-typeck.c (build_binary_op): Perform implicit casts of
17324 operands before shortening them.
17326 * cfgloopmanip.c (split_loop_bb): Remove.
17327 * cfgloop.h: Remove the prototype for split_loop_bb.
17329 * cfgloop.c (flow_loop_outside_edge_p): Remove.
17330 * cfgloop.h: Remove the prototype for
17331 flow_loop_outside_edge_p.
17333 * emit-rtl.c (init_virtual_regs): Make it static.
17334 * function.h: Remove the prototype for init_virtual_regs.
17336 * recog.c (peephole2_optimize): Make it static.
17337 * recog.h: Remove the prototype for peephole2_optimize.
17339 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
17341 * df-scan.c (df_record_entry_block_defs): Check if
17342 INCOMING_RETURN_ADDR_RTX is defined.
17344 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
17345 Kenneth Zadeck <zadeck@naturalbridge.com>
17347 PR rtl-optimization/24762
17348 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
17349 * targhooks.c (hook_void_bitmap): New hook prototype.
17350 * targhoohs.h (hook_void_bitmap): Ditto.
17351 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
17352 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
17353 * target.h (live_on_entry): New function pointer.
17354 * df-scan.c (df_all_hard_regs): Removed.
17355 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
17356 (df_scan_free_internal): Added df->entry_block_defs.
17357 (df_scan_alloc): Ditto.
17358 (df_scan_dump): Ditto.
17359 (df_uses_record): Plumbed flag field properly thru calls.
17360 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
17361 This part fixes PR24762.
17362 (df_bb_refs_record): Added code to make the frame and arg
17363 pointers live in EH blocks.
17364 (df_refs_record): Added call to df_record_entry_block_defs.
17365 (df_record_entry_block_defs): New function.
17366 * df-core.c: Added comments to describe new artifical defs.
17367 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
17368 (entry_block_defs): New field in struct df.
17369 (df_all_hard_regs): Deleted.
17370 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
17371 * df-problems.c (df_ru_bb_local_compute_process_def):
17372 Added code to handle artifical defs in the entry to a function.
17373 (df_ru_bb_local_compute): Ditto.
17374 (df_rd_bb_local_compute_process_def): Ditto.
17375 (df_rd_bb_local_compute): Ditto.
17376 (df_lr_bb_local_compute): Ditto.
17377 (df_ur_bb_local_compute): Ditto.
17378 (df_urec_bb_local_compute): Ditto.
17379 (df_chain_create_bb): Ditto.
17380 (df_ur_local_finalize): Removed entry.
17381 (df_urec_init): Ditto.
17382 (df_urec_local_finalize): Ditto.
17383 (df_ri_bb_compute): Added detection of last use of pseudos.
17384 * Makefile.in (df-scan.o): Updated dependencies.
17385 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
17386 * config/mips/mips.c (mips_set_live_on_entry): Added.
17387 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
17389 * dce.c (marked_insn_p): Added code to handle artifical defs.
17391 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
17393 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
17395 (_mm_cvtsi128_si64): Likewise.
17396 (_mm_cvtsd_si64): Likewise.
17397 (_mm_cvttsd_si64): Likewise.
17398 (_mm_cvtsi64_sd): Likewise.
17399 (_mm_cvtsi64_si128): Likewise.
17400 * config/i386/mmintrin.h (_m_from_int64): Likewise.
17401 (_mm_cvtsi64_m64): Likewise.
17402 (_m_to_int64): Likewise.
17403 (_mm_cvtm64_si64): Likewise.
17404 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
17405 (_mm_cvttss_si64): Likewise.
17406 (_mm_cvtsi64_ss): Likewise.
17407 (_mm_cvtss_f32): Likewise.
17409 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
17411 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
17412 for pragma redefine_extname.
17414 2006-01-27 Jakub Jelinek <jakub@redhat.com>
17417 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
17418 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
17419 -mno-minimal-toc to previous content.
17420 (bispecs): Remove goal.
17421 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
17422 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
17423 compatibility aliases on powerpc-*-*gnu*.
17424 * config/rs6000/libgcc-ppc-glibc.ver: New file.
17425 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
17426 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
17427 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
17428 (ldblspecs): New goal.
17429 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
17430 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
17432 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
17433 L_sf_to_tf or L_df_to_tf is defined.
17435 2006-01-27 David Edelsohn <edelsohn@gnu.org>
17436 Alan Modra <amodra@bigpond.net.au>
17439 * config/rs6000/linux.h (POWERPC_LINUX): Define.
17440 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
17441 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
17442 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
17443 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
17444 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
17445 (rs6000_override_options): Initialize rs6000_ieeequad.
17446 Initialize TFmode format to ibm_extended_format if not
17448 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
17450 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
17451 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
17452 (function_arg_advance): IBM long double passed in two FPRs, not
17454 (function_arg): IBM long double passed in FPRs.
17455 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
17456 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
17457 Only multireg GPR aligned.
17458 (rs6000_init_libfuncs): Enable IBM long double functions if not
17460 (rs6000_generate_compare): Use IBM long double compare if not
17462 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
17463 (TARGET_IEEEQUAD): Define.
17464 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
17465 not TARGET_IEEEQUAD.
17466 * config/rs6000/rs6000.md: Enable TFmode patterns if
17468 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
17469 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
17470 and -mlong-double-128 are incompatible.
17471 * doc/invoke.texi (-mabi): Collect options together. Add
17472 ibmlongdouble and ieeelongdouble.
17474 2006-01-27 Richard Sandiford <richard@codesourcery.com>
17476 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
17478 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
17479 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
17480 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
17481 * rtl.h (rtunion_def): Remove rt_ptr.
17483 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
17484 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
17485 * config/i386/winnt.c (i386_pe_mark_dllexport)
17486 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
17488 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
17490 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
17492 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
17496 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
17497 pthread_key_delete. From John David Anglin. gthrw-ify
17498 pthread_getunique_np only if it it's not a macro. Delete
17500 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
17501 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
17502 __gthread_objc_condition_signal, __gthread_key_delete): Add
17503 "__attribute__ ((__unused__))" to unused arguments.
17504 (__gthread_recursive_mutex_init_function): Add missing return.
17505 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
17506 gthr-posix95.h: Use macro-based approach for name redirection
17507 on targets missing weakref.
17509 2006-01-26 Zack Weinberg <zackw@panix.com>
17511 * genconditions.c (write_header): In generated code, #ifdef out
17512 all includes and fake declarations, except includes of bconfig.h
17513 and system.h, unless GCC_VERSION >= 3001. Do not include
17514 gensupport.h in any case.
17515 (write_conditions): Generate a definition of struct c_test. Add
17516 a comment to the generated #endif.
17517 (write_one_condition): Escape backslashes in string too.
17518 (write_writer): Generated code must escape backslashes and quote
17519 marks (but not newlines) in the strings it writes.
17520 * Makefile.in (build/gencondmd.o): Update dependencies.
17522 2006-01-26 Steve Ellcey <sje@cup.hp.com>
17525 * Makefile.in (insn-automata.o): Add header file dependencies.
17526 * genautomata.c: Add includes.
17528 2006-01-26 Steve Ellcey <sje@cup.hp.com>
17531 * Makefile.in (insn-automata.o): Add -Wno-error flag.
17533 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
17535 * configure.ac: Expect target tools paths to be passed from the toplevel
17536 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
17538 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
17540 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
17543 * c.opt (Wpointer-sign): Init to -1.
17544 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
17545 OPT_pedantic, to 0 otherwise.
17546 * doc/invoke.texi: Update.
17548 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
17550 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
17551 constants provided by 80387 instructions in the destination mode.
17553 2006-01-26 Richard Guenther <rguenther@suse.de>
17554 Andrew Pinski <pinskia@physics.uc.edu>
17557 partial PR tree-opt/17064
17558 * tree-ssa-structalias.c (intra_create_variable_infos):
17559 Create heap variables for incoming parameters if
17560 flag_argument_noalias > 1.
17561 (find_what_p_points_to): Look through default defs of
17564 2006-01-26 Jeff Law <law@redhat.com>
17567 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
17568 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
17569 within the VR_RANGE, use the VR_RANGE as the result, not the
17571 (adjust_range_with_scev): Reject ranges from SCEV which are out of
17572 bounds for the type.
17574 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
17576 * tree-ssa-alias.c (maybe_create_global_var): Change
17577 subvar walking to an assertion that we don't have subvar'd variables.
17579 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
17582 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
17583 Use a new variable, inner. PARM_DECLs are always non-weak.
17585 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
17587 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
17588 --disable-checking.
17590 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
17592 * config/mips/mips.md (*clear_upper32): New combiner pattern.
17594 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
17596 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
17597 (smax_insn, smin_insn, smax_0, smin_0): New.
17599 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
17602 * config/cris/cris.c (cris_order_for_addsi3): New function.
17603 * config/cris/cris-protos.h: Prototype it.
17604 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
17605 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
17606 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
17607 (split for "op.S1 [rx=rx+i],ry (swapped)")
17608 (split for "op(s|u).S1 [rx=rx+i],ry")
17609 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
17610 Apply cris_order_for_addsi3 when generating addsi3 insns.
17612 2006-01-25 Diego Novillo <dnovillo@redhat.com>
17614 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
17615 (TREE_BLOCK): Add call to EXPR_CHECK.
17617 2006-01-25 Diego Novillo <dnovillo@redhat.com>
17620 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
17621 * tree-pretty-print.c (dump_omp_clause): Extract from ...
17622 (dump_omp_clauses): ... here.
17623 (dump_generic_node): Handle OMP_CLAUSE.
17624 * tree.c (omp_clause_num_ops): New.
17625 (omp_clause_code_name): New.
17626 (tree_code_size): Handle OMP_CLAUSE.
17627 (tree_size): Likewise.
17628 (make_node): Document handling of OMP_CLAUSE.
17629 (tree_node_structure): Handle OMP_CLAUSE.
17630 (omp_clause_check_failed): New.
17631 (omp_clause_range_check_failed): New.
17632 (omp_clause_operand_check_failed): New.
17633 (build_omp_clause): New.
17634 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
17635 * tree.h (enum omp_clause_code): Declare.
17636 (OMP_CLAUSE_SUBCODE_CHECK): Define.
17637 (OMP_CLAUSE_RANGE_CHECK): Define.
17638 (OMP_CLAUSE_ELT_CHECK): Define.
17639 (omp_clause_check_failed): Declare.
17640 (omp_clause_operand_check_failed): Declare.
17641 (omp_clause_range_check_failed): Declare.
17642 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
17643 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
17644 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
17645 (OMP_CLAUSE_LASTPRIVATE): Likewise.
17646 (OMP_CLAUSE_IF_EXPR): Likewise.
17647 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
17648 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
17649 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
17650 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
17651 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
17652 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
17653 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
17654 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
17655 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
17656 (OMP_CLAUSE_CODE): Define.
17657 (OMP_CLAUSE_SET_CODE): Define.
17658 (OMP_CLAUSE_CODE): Define.
17659 (OMP_CLAUSE_OPERAND): Define.
17660 (struct tree_omp_clause): Declare.
17661 (union tree_node): Add field 'omp_clause'.
17662 * treestruct.def (TS_OMP_CLAUSE): Define.
17663 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
17664 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
17665 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
17666 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
17667 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
17668 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
17669 (OMP_CLAUSE): Define.
17670 * print-tree.c (print_node): Handle OMP_CLAUSE.
17671 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
17672 * c-typeck.c: Likewise.
17673 * gimplify.c: Likewise.
17674 * c-omp.c: Likewise.
17675 * tree-nested.c: Likewise.
17676 * tree-inline.c: Likewise.
17677 * c-parser.c: Likewise.
17678 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
17681 2006-01-25 Roger Sayle <roger@eyesopen.com>
17683 PR rtl-optimization/25703
17684 * combine.c (try_combine): Handle zero_extract and strict_low_part
17685 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
17687 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
17689 * global.c: Fix comment typos.
17691 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
17694 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
17695 Use output_addr_const instead of assemble_name.
17697 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
17699 * Makefile.in (sched-vis.o): Update dependencies.
17700 * haifa-sched.c (sched_finish): Clear current_sched_info.
17701 * cfg.c (dump_bb_info): New, split from dump_flow_info.
17702 (dump_flow_info): Call it.
17703 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
17705 * basic-block.h (dump_bb_info): Declare.
17706 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
17707 option, and apply options only for dump files whose TDF_RTL,
17708 TDF_TREE, or TDF_IPA bits match.
17709 * rtl.h: Declare new functions exported from sched-vis.c.
17710 * sched-vis.c: Enable also if scheduling is not used.
17711 (print_value): Print the mode of registers if not inside scheduling.
17712 (print_insn): Make it work outside the scheduler. Beautify the output
17714 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
17716 2006-01-25 Richard Sandiford <richard@codesourcery.com>
17718 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
17719 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
17720 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
17721 depending on the value of CONSTANT_POOL_ADDRESS_P.
17722 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
17724 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
17725 rather than SYMBOL_REF_DECL.
17726 (rtx_constant_pool): Remove const_rtx_sym_htab.
17727 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
17728 (init_varasm_status): Don't initialize const_rtx_sym_htab.
17729 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
17730 Remove handling of const_rtx_sym_htab.
17731 (find_pool_constant): Delete.
17732 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
17733 rather than find_pool_constant.
17734 (get_pool_constant_for_function): Delete.
17735 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
17736 find_pool_constant.
17737 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
17738 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
17739 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
17740 (SYMBOL_REF_CONSTANT): New macro.
17741 (get_pool_constant_for_function): Delete.
17742 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
17743 rather than SYMBOL_REF_DECL.
17744 (i386_pe_mark_dllimport): Likewise.
17745 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
17746 rather than SYMBOL_REF_DECL.
17747 * config/darwin.c (machopic_indirect_data_reference): Likewise.
17748 (machopic_indirect_call_target): Likewise.
17750 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
17752 * flow.c (delete_noop_moves): Add missing EOL to dump message.
17754 2006-01-25 Richard Sandiford <richard@codesourcery.com>
17756 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
17758 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
17760 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
17762 2006-01-24 David Daney <ddaney@avtrex.com>
17765 * configure.ac (enable_tls): New enable option.
17766 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
17767 * configure: Regenerate.
17768 * doc/install.texi (--enable-tls): Document new option.
17769 (--disable-tls): Ditto.
17771 2006-01-24 Richard Henderson <rth@redehat.com>
17773 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
17774 * alias.c (true_dependence): Respect it.
17775 (canon_true_dependence, write_dependence_p): Likewise.
17776 * builtins.c (get_builtin_sync_mem): Set it.
17778 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
17780 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
17783 2006-01-24 DJ Delorie <dj@redhat.com>
17785 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
17786 for storing constants in single-bit bitfields.
17788 2006-01-25 Ben Elliston <bje@au.ibm.com>
17790 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
17792 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
17795 * tree-ssa-pre.c (phi_translate): Return NULL
17796 for AGGREGATE_TYPE's.
17798 2006-01-24 Zack Weinberg <zackw@panix.com>
17800 * genautomata.c (process_state_for_insn_equiv_partition):
17801 Use xcalloc for insn_arcs_array.
17802 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
17803 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
17805 2006-01-24 Richard Henderson <rth@redhat.com>
17807 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
17808 update all callers.
17810 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
17812 PR rtl-optimization/25890
17813 PR rtl-optimization/25905
17814 * combine.c (expand_compound_operation, expand_field_assignment):
17815 Fail if the bitfield's final position is out of bounds.
17817 2006-01-24 Ian Lance Taylor <ian@airs.com>
17819 PR middle-end/25930
17820 * cgraphunit.c (cgraph_output_in_order): Don't clear
17821 cgraph_asm_nodes until after asm strings have been output.
17823 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
17825 * fix-header.c (read_scan_file): Add new parameter imultilib when
17826 calling register_include_chains.
17828 2006-01-23 Diego Novillo <dnovillo@redhat.com>
17830 * omp-low.c: Update documentation.
17832 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
17833 Daniel Berlin <dberlin@dberlin.org>
17837 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
17838 return from the function.
17840 2006-01-22 Zack Weinberg <zackw@panix.com>
17842 * rtl.def (match_code): Add second argument.
17843 * genpreds.c (write_extract_subexp): New function.
17844 (write_match_code): Add path argument. Use write_extract_subexp.
17845 (write_predicate_expr): Pass path to write_match_code.
17846 (mark_mode_tests): MATCH_CODE applied to a subexpression does
17847 not perform a mode test.
17848 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
17849 a subexpression does not constrain the top-level code set.
17850 * read-rtl.c (read_rtx_variadic): New function.
17851 (read_rtx_1): Use it; allow AND and IOR to be variadic.
17852 * doc/md.texi: Document new notation.
17853 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
17854 (cmpsi_operand): ... here, using new notation.
17856 2006-01-22 Zack Weinberg <zackw@panix.com>
17858 * varray.c: Remove GENERATOR_FILE #ifdefs.
17860 2006-01-22 Zack Weinberg <zackw@panix.com>
17862 * genautomata.c (output_reserved_units_table): Emit nothing if
17863 description->query_units_num is zero. Remove extra blank line.
17864 (output_cpu_unit_reservation_p): Short circuit
17865 if description->query_units_num is zero.
17867 2006-01-22 Zack Weinberg <zackw@panix.com>
17869 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
17870 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
17871 nor any of the random handful of variables that used to be necessary
17872 when this program was linked with rtlanal.o. Prune set of forward
17873 function declarations.
17874 (struct attr_desc): Remove static_p field.
17875 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
17876 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
17877 (attr_string): Do not read the character one past the length of
17879 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
17880 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
17881 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
17882 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
17883 (make_automaton_attrs): New.
17884 (main): Do not call into genautomata. Call local gen_bypass
17885 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
17886 Remove special case for insn_alts.
17887 * genautomata.c: Include gensupport.h; not genattrtab.h nor
17888 varray.h (leftover from previous change). Prune set of forward
17889 function declarations. Remove state_alts fields from all
17890 structures. Remove state_alts_table from struct automaton.
17891 Make everything except main static. Do not maintain num_dfa_decls.
17892 Do not maintain state_alts fields of various structures.
17893 (process_decls): Don't validate condexp for dm_insn_reserv decls.
17894 (add_arc): Remove state_alts argument. All callers updated.
17895 (output_reserved_units_table): Emit #ifdef here...
17896 (output_tables): ...not here. Don't generate state_alts tables.
17897 (expand_automata): Don't generate attributes.
17898 (write_automata): Don't generate state_alts functions.
17899 (main): New function.
17900 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
17901 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
17902 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
17903 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
17904 (BYPASS_P_FUNC_NAME, output_state_alts_table)
17905 (output_automata_list_state_alts_code, output_internal_state_alts_func)
17906 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
17907 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
17909 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
17910 * genattrtab.h: Delete file.
17911 * Makefile.in (OBJS-common): Add insn-automata.o.
17912 (insn-automata.o): New rule.
17913 (simple_generated_c): Add insn-automata.c.
17914 (build/genattrtab.o, build/genautomata.o): Update dependencies.
17915 (genprogmd): Add automata.
17916 (build/genattrtab): Needs no extra objects nor libraries.
17917 (build/genautomata): Needs build/vec.o and -lm.
17919 2006-01-22 Zack Weinberg <zackw@panix.com>
17921 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
17922 (output_dfa_max_issue_rate, locked_states_num): Delete.
17923 (struct automaton): Add locked_states field.
17924 (output_dead_lock_vect): Save number of locked states in
17925 automaton->locked_states. If it is zero, don't print anything.
17926 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
17927 (output_internal_dead_lock_func): Only test the dead_lock_vect
17928 for automata that have locked states.
17929 (output_statistics): Always print the number of locked states for
17930 each automaton. Calculate total number of locked states here.
17931 (write_automata): Don't call output_dfa_max_issue_rate.
17932 * genattrtab.c: Define length_unit_log as a const variable.
17933 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
17934 max_insn_queue_index const.
17935 * final.c (length_unit_log): Declare const.
17936 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
17938 2006-01-22 Zack Weinberg <zackw@panix.com>
17940 * genautomata.c: Include vec.h, not varray.h.
17941 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
17942 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
17943 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
17944 VEC_* macros operating on appropriately typed vectors, or to
17945 malloced arrays when the size is known in advance. Const-ify
17946 many char* variables and function arguments. No functional changes.
17947 * Makefile.in (build/varray.o): Delete rule.
17948 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
17949 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
17951 2006-01-22 Zack Weinberg <zackw@panix.com>
17953 * gensupport.c: Define get_insn_name and record_insn_name here.
17954 (read_md_rtx): Call record_insn_name as appropriate.
17955 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
17956 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
17957 * genpreds.c, genrecog.c: Don't define get_insn_name nor
17959 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
17960 (BUILD_VARRAY): Delete.
17961 (genprognormal): Rename genprogmd. Fold in all programs from
17962 genprognoprint; also attrtab.
17963 (build/genattrtab): Just mention genautomata.o and varray.o.
17964 Reorganize a bit, add comments to make the categories clearer.
17966 2006-01-22 Zack Weinberg <zackw@panix.com>
17968 * genconditions.c (condition_table, add_condition): Delete.
17969 (write_conditions): Don't emit n_insn_conditions nor
17970 insn_elision_unavailable. Issue the gcc version #ifdef here,
17971 inside the table, with no #else clause ...
17972 (write_header): ...not here.
17973 (write_writer): New function.
17974 (main): Don't initialize condition_table. Use add_c_test.
17976 * gensupport.c (init_md_reader_args_cb): Handle multiple input
17977 files on the command line.
17978 (maybe_eval_c_test): Don't check insn_elision_unavailable.
17979 Return -1 if there is no entry in the table, don't abort.
17980 (add_c_test, traverse_c_tests): New functions.
17981 * gensupport.h (insn_elision_unavailable, insn_conditions)
17982 (n_insn_conditions): Delete declarations.
17983 (add_c_test, traverse_c_tests): Declare.
17984 * read-rtl.c: Include gensupport.h.
17985 (read_conditions): New function.
17986 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
17987 (read_rtx_1): If we get EOF when we were looking for an initial
17988 open paren, return 0. Call read_conditions when appropriate.
17989 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
17990 dummy-conditions.o. Eliminate references to insn-conditions.o,
17991 or change them to build/gencondmd.o, as appropriate. Remove
17992 insn-constants.h from $(simple_generated_h) and insn-conditions.c
17993 from $(simple_generated_c). For all files remaining in those
17994 two lists, add insn-conditions.md to the generator command line.
17995 Give insn-constants.h/s-constants their own rules. Add rules
17996 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
17997 (build/read-rtl.o): Depend on gensupport.h.
17998 (genprognormal): Include preds.
17999 (genprogearly): Rename genprognoprint; only difference is now that
18000 they don't link with $(BUILD_PRINT).
18001 * dummy-conditions.c: Delete.
18003 2006-01-22 Zack Weinberg <zackw@panix.com>
18005 * genextract.c: Don't include insn-config.h. Do include vec.h.
18006 Declare vectors of int, char, and locstr.
18007 (locstr): New typedef.
18008 (struct extraction): Make all array fields into bare pointers.
18009 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
18010 (insn_code_number): Delete.
18011 (accum_extract): New struct.
18012 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
18013 (gen_insn): Take insn_code_number as an argument. Use an
18014 accum_extract structure instead of loading data directly into
18015 a struct extraction, and having to know how big it might get.
18016 (walk_rtx): Operate entirely on an accum_extract structure.
18017 (print_path): Avoid unnecessary use of printf.
18018 (print_header): New function, split out of main. Distinguish
18019 more carefully between an unrecognizable insn and an insn that
18020 has the code number of a define_expand.
18021 (main): Pass insn_code_number to gen_insn. Call print_header
18022 only after parsing. Avoid unnecessary use of printf.
18023 * Makefile.in (build/vec.o): New rule.
18024 (build/genextract): Depend on build/vec.o.
18025 (build/genextract.o): Don't depend on insn-config.h.
18027 2006-01-22 Zack Weinberg <zackw@panix.com>
18029 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
18030 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
18031 practical. Eliminate per-generator-program link rules.
18033 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
18035 PR middle-end/24437
18036 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
18037 with a call expr to ...
18038 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
18040 2006-01-23 Richard Guenther <rguenther@suse.de>
18042 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
18043 before make_edge with conditional EDGE_TRUE_VALUE.
18045 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
18046 Jan Hubicka <jh@suse.cz>
18047 Richard Guenther <rguenther@suse.de>
18049 PR rtl-optimization/25654
18050 * cfgexpand.c (aggregate_contains_union_type): New function.
18051 (add_alias_set_conflicts): Call it. Make sure to add conflicts
18052 for structure variables that contain a union type.
18054 2006-01-23 Richard Sandiford <richard@codesourcery.com>
18056 * gengtype.c (new_structure): Return the structure.
18057 (create_option): Add an extra "next" argument.
18058 (create_field): New function.
18059 (adjust_field_rtx_def): Use create_option and create_field.
18060 Remove a now-unnecessary call to find_structure.
18061 (adjust_field_tree_def): Likewise.
18062 (note_yacc_type): Remove an unnecessary call to find_structure.
18063 * gengtype.h (new_structure): Return the structure.
18064 (create_option): Add an extra argument.
18065 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
18066 (option): Adjust calls to create_option.
18068 2006-01-22 David Edelsohn <edelsohn@gnu.org>
18070 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
18072 2006-01-22 Paul Brook <paul@codesourcery.com>
18073 Peter Barada <peter@the-baradas.com>
18075 * config/m68k/m68k.md: Add Coldfire FPU support.
18076 Define FP mode macro and associated attributes.
18077 Use it for float mode patterns.
18078 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
18079 (LIBCALL_VALUE): Use m68k_libcall_value.
18080 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
18081 (m68k_function_value): Ditto.
18082 (emit_move_sequence): Ditto.
18083 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
18084 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
18085 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
18086 (MULTILIB_EXCEPTIONS): Ditto.
18087 * config/m68k/m68k.opt: Add mcfv4e.
18088 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
18089 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
18090 (m68k_output_function_prologue): Save ColdFire FPU registers.
18091 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
18092 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
18093 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
18094 ColdFire FPU registers.
18095 (m68k_libcall_value, m68k_function_value): New functions.
18096 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
18097 (LIBCALL_VALUE): Use m68k_libcall_value.
18098 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
18099 (MASK_COLDFIRE): Add MASK_CFV4E.
18100 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
18101 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
18102 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
18103 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
18104 (GO_IF_LEGITIMATE_ADDRESS): Use it.
18105 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
18106 * doc/invoke.tex: Document -mcfv4e on m68k.
18108 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
18110 * doc/contribute.texi: Change CVS to SVN and update the corresponding
18113 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
18116 * c-opts.c (c_common_handle_option): Don't include
18117 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
18118 * doc/invoke.texi (C++ Dialect Options): Document that
18119 -Wnon-virtual-dtor is no longer included in -Wall.
18121 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
18123 * gcov.c (print_version), gcov-dump.c (print_version),
18124 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
18127 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
18129 * df-scan.c (problem_SCAN): Added NULL reset function.
18130 (df_scan_reset_blocks): Added code to call reset block function
18131 (df_bb_refs_delete) Fixed comment.
18132 (df_insn_refs_delete): Made tolerant of deleting non existent info
18133 for dataflow problems that need to be reset.
18134 * df-core.c (df_set_blocks): Ditto.
18135 * df.h (struct df_problem): Added reset_fun.
18136 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
18137 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
18138 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
18139 functions to clear out all references to def-use or use-def chains.
18141 2006-01-21 Ben Elliston <bje@au.ibm.com>
18143 * varasm.c (assemble_real): Initialise data array.
18145 2006-01-20 Paul Brook <paul@codesourcery.com>
18147 Merge from csl-arm-branch.
18148 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
18149 * config/arm/arm.md (movdi): Force operands[1] to a register
18150 if we have a non-register source.
18151 (*arm_movdi, *movdf_soft_insn): Require that one of the
18152 operands be a register.
18153 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
18154 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
18156 2006-01-20 DJ Delorie <dj@redhat.com>
18158 * varasm.c (initializer_constant_valid_p): Allow pointers
18159 initialized from integer constants of lesser precision.
18160 (output_constant): Allow non-int-sized pointer modes to be
18161 initialized from integer constants.
18163 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
18166 * cppdefault.h (struct default_include): Add multilib flag.
18167 * cppdefault.c (cpp_include_defaults): Set it.
18168 * c.opt (-imultilib): New option.
18169 * c-opts.c (imultilib): New.
18170 (c_common_handle_option): Handle -imultilib.
18171 (c_common_post_options): Likewise.
18172 * c-incpath.c (add_standard_paths, register_include_chains):
18174 * c-incpath.h (register_include_chains): Add extra parameter.
18175 * gcc.c (do_spec_1): Generate -imultilib option.
18176 (The Specs Language): Update %I description.
18177 (process_command): Update copyright notice.
18178 * doc/cppopts.texi (-imultilib): Document.
18179 * doc/invoke.texi (-imultilib): Include in option summary.
18180 (%I): Update specs documentation.
18182 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
18184 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
18186 2006-01-20 Richard Sandiford <richard@codesourcery.com>
18188 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
18191 2006-01-20 Richard Guenther <rguenther@suse.de>
18192 Steven Bosscher <stevenb.gcc@gmail.com>
18194 PR rtl-optimization/24626
18195 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
18196 EDGE_TRUE_VALUE if in RTL mode.
18199 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
18200 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
18202 2006-01-20 Dirk Mueller <dmueller@suse.com>
18205 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
18206 instead of a special NOP marker.
18207 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
18208 NOP marker handling.
18209 * c-common.h (empty_body_warning): Add forward declaration.
18210 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
18211 Now uses IS_EMPTY_STMT() instead of special NOP markers.
18213 2006-01-20 Paul Brook <paul@codesourcery.com>
18215 * Makefile.in (lang_checks): Keep going if mkdir fails.
18217 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
18219 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
18220 be able to clean out basic block when not necessary.
18221 (df_scan_free): Fixed to properly delete information if df is
18222 unused before calling df_finish.
18223 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
18224 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
18226 (df_bb_refs_delete): New function.
18227 (df_refs_delete): Moved per block code to df_bb_refs_delete.
18228 * df-core.c (df_set_blocks): Added code to properly clean out
18229 unused blocks if they are not part of the blocks to consider.
18230 Added additional null check.
18231 (df_compact_blocks): Added basic block parameter to free_bb_fun to
18232 be able to clean out basic block when not necessary
18233 * df.h (df_free_bb_function): Ditto.
18234 (df_bb_refs_delete): New function.
18235 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
18236 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
18237 basic block parameter to be able to clean out basic block when not
18239 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
18240 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
18241 Fixed to properly delete information if df is unused before
18244 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
18246 PR rtl-optimization/25799
18247 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
18248 Corrected confluence operator to remove bits from op2 before oring
18249 with op1 rather than removing bits from op1.
18250 (df_ru_transfer_function): Corrected test on wrong bitmap which
18251 caused infinite loop. Both of these problems were introduced in
18252 the dataflow rewrite.
18254 2006-01-19 DJ Delorie <dj@redhat.com>
18256 * reload1.c (find_reload_regs): Note the details of reload
18257 failures in the dump file.
18258 (spill_failure): Likewise.
18260 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
18262 * loop-iv.c: Include df.h and hashtab.h.
18263 (enum iv_grd_result): New enum.
18264 (DF_REF_IV, DF_REF_IV_SET): New macros.
18265 (struct biv_entry): New.
18266 (df, bivs): New global variables.
18267 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
18268 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
18270 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
18271 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
18272 analyzed_for_bivness_p, record_biv): New functions.
18273 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
18274 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
18275 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
18277 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
18279 (iv_number_of_iterations): Use new interface to iv analysis.
18280 * loop-unroll.c: Do not include varray.h.
18281 (analyze_iv_to_split_insn): Use new interface to iv
18283 * loop-unswitch.c (may_unswitch_on): Ditto.
18284 * df.c (df_bitmaps_free): Only work for bbs for that structures are
18286 (df_bb_modify): Realloc tables to the new index.
18287 (df_find_use): New function.
18288 * df.h (df_find_use): Declare.
18289 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
18291 * cfgloop.h (struct rtx_iv): Remove analysed field.
18292 (iv_get_reaching_def): Removed.
18293 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
18294 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
18295 (loop-iv.o): Add df.h and hashtab.h dependency.
18296 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
18298 2006-01-20 Alan Modra <amodra@bigpond.net.au>
18301 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
18303 (__floatundisf, __floatundidf): Likewise.
18304 * libgcc2.h (IS_IBM_EXTENDED): Define.
18306 2006-01-19 DJ Delorie <dj@redhat.com>
18308 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
18310 2006-01-19 Paul Brook <paul@codesourcery.com>
18312 * config/arm/arm.c (arm_compute_func_type): Treat all functions
18313 as nothrow when unwinding tables are disabled.
18315 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18318 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
18319 of bit-field" when in system header.
18321 2006-01-19 DJ Delorie <dj@redhat.com>
18323 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
18324 the 16 bit shift limit of the m16c.
18326 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
18329 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
18330 * config/i386/i386.c (output_set_got): Output the label if we have one
18331 for the TARGET_DEEP_BRANCH_PREDICTION case.
18333 2006-01-19 Jan Hubicka <jh@suse.cz>
18334 H.J. Lu <hongjiu.lu@intel.com>
18335 Evandro Menezes <evandro.menezes@amd.com>
18337 * invoke.texi (generic): Document
18339 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
18340 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
18341 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
18342 (x86_use_incdec, x86_pad_returns): New variables
18343 (TARGET_CPU_DEFAULT_generic): New constant
18344 (TARGET_CPU_DEFAULT_NAMES): Add generic.
18345 (enum processor_type): Add generic32 and generic64.
18346 * i386.md (cpu attribute): Add generic32/generic64
18347 (movhi splitter): Behave sanely when both partial_reg_dependency and
18348 partial_reg_stall are set.
18349 (K8 splitters): Enable for generic as well.
18350 * predicates.md (incdec_operand): Use TARGET_INCDEC
18351 (aligned_operand): Avoid memory mismatch stalls.
18352 * athlon.md: Enable for generic64, new patterns for 128bit moves.
18353 * ppro.md: Enable for generic32
18354 * i386.c (generic64_cost, generic32_cost): New.
18355 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
18356 (x86_use_leave): Enable for generic64. (x86_use_sahf,
18357 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
18358 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
18359 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
18360 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
18361 x86_partial_reg_dependency, x86_memory_mismatch_stall,
18362 x86_accumulate_outgoing_args, x86_prologue_using_move,
18363 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
18364 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
18365 Enable for generic.
18366 (x86_use_incdec, x86_pad_returns): New.
18367 (override_options): Add generic32 and generic64, translate "generic"
18368 to generic32/generic64 and "i686" to "generic32", refuse
18369 "generic32"/"generic64" as arch target.
18370 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
18371 (ix86_reorg): Honor PAD_RETURNS.
18373 2006-01-19 Diego Novillo <dnovillo@redhat.com>
18375 * tree-pretty-print.c (dump_generic_node): Handle
18376 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
18377 * cgraph.c (cgraph_expand_queue): Rename from
18378 cgraph_analyze_queue. Update all users.
18379 * cgraphunit.c (cgraph_assemble_pending_functions): Process
18380 cgraph_expand_queue.
18381 (cgraph_expand_all_functions): Likewise.
18382 (cgraph_finalize_pending_functions): Remove. Update callers.
18384 * tree.h (OMP_DIRECTIVE_P): Define.
18385 (OMP_PARALLEL_FN): Define.
18386 (OMP_PARALLEL_DATA_ARG): Define.
18387 (OMP_SECTIONS_SECTIONS): Define.
18388 * tree-pass.h (pass_expand_omp): Declare.
18389 * omp-low.c (struct omp_region): Declare.
18390 (struct omp_context): Remove fields 'parallel_type',
18391 'parallel_start_ix' and 'parallel_start_additional_args'.
18393 (struct omp_for_data): Rename from struct expand_omp_for_data.
18394 (omp_regions): New static variable.
18395 (root_omp_region): New static variable.
18396 (find_omp_clause): Make static.
18397 (is_in_combined_parallel_ctx): Remove.
18398 (is_combined_parallel): New.
18399 (extract_omp_for_data): Move earlier in the file.
18400 (workshare_safe_to_combine_p): New.
18401 (get_ws_args_for): New.
18402 (determine_parallel_type): Move earlier in the file.
18403 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
18405 (omp_copy_decl): Likewise.
18406 (create_omp_child_function): Likewise.
18407 (lookup_omp_region): New.
18408 (dump_omp_region): New.
18409 (debug_omp_region): New.
18410 (debug_all_omp_regions): New.
18411 (new_omp_region): New.
18412 (scan_omp_parallel): If parallel_nesting_level > 1, the
18413 directive is nested within another parallel directive.
18414 Set OMP_PARALLEL_FN.
18415 (scan_omp_for): Do not try to handle combined parallel+for
18417 Remove FIXME comment.
18418 (scan_omp_nested): Remove.
18419 (scan_omp_1): Do not call scan_omp_nested when
18420 parallel_nesting_level is > 1.
18421 Do not change the DECL_CONTEXT of local variables found.
18422 (lookup_decl_in_outer_ctx): New.
18423 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
18424 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
18425 (lower_reduction_clauses): Rename from expand_reduction_clauses.
18426 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
18427 If CTX is nested, lookup VAR in the outer context when
18428 building copy assignment.
18429 (lower_send_clauses): Rename from expand_send_clauses.
18430 If CTX is nested, lookup VAR in the outer context when
18431 building copy assignments.
18432 (lower_send_shared_vars): Rename from expand_send_shared_vars.
18433 If CTX is nested, lookup VAR in the outer context when
18434 building copy assignments.
18435 (expand_parallel_call): Rename from build_parallel_call.
18436 Handle combined parallel+workshare cases.
18437 Re-implement to emit code into the CFG.
18439 (expand_omp_parallel): Re-implement to emit code into the CFG.
18440 Call move_sese_region_to_fn to outline the sub-graph
18441 containing the parallel region.
18442 (expand_omp_for_1): Remove.
18443 (expand_omp_for_generic): Re-implement to emit code into the
18445 (expand_omp_for_static_nochunk): Likewise.
18446 (expand_omp_for_static_chunk): Likewise.
18447 (expand_omp_for): Likewise.
18448 (expand_omp_sections): Likewise.
18449 (remove_exit_barriers): New.
18450 (expand_omp_synch): New.
18452 (build_omp_regions_1): New.
18453 (build_omp_regions): New.
18454 (execute_expand_omp): New.
18455 (gate_expand_omp): New.
18456 (pass_expand_omp): Define.
18457 (lower_omp_sections): Rename from expand_omp_sections.
18458 Set OMP_SECTIONS_SECTIONS.
18459 (lower_omp_single_simple): Rename from expand_omp_single_simple.
18460 (lower_omp_single_copy): Rename from expand_omp_single_copy.
18461 (lower_omp_single): Rename from expand_omp_simple.
18462 (lower_omp_master): Rename from expand_omp_master.
18463 (lower_omp_ordered): Rename from expand_omp_ordered.
18464 (lower_omp_critical): Rename from expand_omp_critical.
18465 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
18466 (lower_omp_for): Re-implement.
18467 (lower_omp_parallel): Re-implement.
18468 (lower_regimplify): Rename from expand_regimplify.
18469 (lower_omp_1): Rename from expand_omp_1.
18470 If there are syntax errors in the program, replace every
18471 OpenMP directive with NOP.
18472 Call lower_omp_* instead of expand_omp_*.
18473 (lower_omp): Rename from expand_omp.
18475 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
18476 * tree-gimple.h (enum omp_parallel_type): Remove.
18477 (gimple_boolify): Declare extern.
18478 (find_omp_clause, determine_parallel_type): Remove.
18480 * gimple-low.c (lower_omp_directive): New.
18481 (lower_stmt): Call it.
18482 (record_vars_into): Move from ...
18483 (record_vars): ... here.
18484 Call record_vars_into with current_function_decl.
18486 * gimplify.c (struct gimplify_ctx): Remove fields
18487 combined_pre_p and combined_ctxp. Update users.
18488 (get_formal_tmp_var): Add documentation.
18489 (gimple_boolify): Make extern.
18490 (gimplify_expr_in_ctx): Remove. Update callers.
18491 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
18492 will always be a BIND_EXPR.
18493 (gimplify_expr): Handle OMP_RETURN_EXPR.
18494 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
18495 (OMP_PARALLEL): Add 3 operands.
18496 (OMP_SECTIONS): Add 1 operand.
18497 (OMP_RETURN_EXPR): Define.
18499 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
18500 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
18501 * tree-iterator.c (alloc_stmt_list): Assert that we are not
18502 creating a circular free list.
18503 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
18505 * tree-flow.h (move_sese_region_to_fn): Declare.
18506 (record_vars_into): Declare.
18507 * tree-cfg.c (make_omp_sections_edges): New.
18508 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
18509 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
18510 OMP_SECTIONS and OMP_SECTION.
18511 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
18512 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
18513 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
18514 (gather_blocks_in_sese_region): New.
18515 (struct move_stmt_d): Declare.
18516 (move_stmt_r): New.
18517 (move_block_to_fn): New.
18518 (move_sese_region_to_fn): New.
18520 * passes.c (init_optimization_passes): Schedule
18521 pass_expand_omp after pass_init_datastructures.
18523 * tree-ssa-operands.c (get_expr_operands): Handle
18524 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
18525 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
18527 2006-01-19 Jeff Law <law@redhat.com>
18529 * tree-vrp.c (extract_range_from_assert): Refine the result range
18530 if the variable referenced by the ASSERT_EXPR has a range and
18531 either the tentative result range or the previous range is a
18534 2006-01-19 Richard Sandiford <richard@codesourcery.com>
18536 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
18538 2006-01-19 Jan Hubicka <jh@suse.cz>
18540 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
18542 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
18544 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
18545 (expand_compound_operation, expand_field_assignment): Fail if the
18546 bit lengths of an extract operation are out of range.
18547 (make_extraction): Compute wanted_inner_mode based on the position
18548 and length of the extraction. Make it extraction_mode for non-constant
18549 positions, and do not modify offset in that case. When generating a
18550 new MEM, use a mode that can hold the extraction while keeping correct
18551 alignment. Remove code that supported MEMs wrapped by USEs.
18552 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
18554 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
18556 * config/s390/s390.md ("Y", "y"): New mode attribute.
18557 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
18558 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
18559 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
18560 "*addsi3_imm_cc", "*addsi3_carry1_cc",
18561 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
18562 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
18563 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
18564 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
18565 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
18566 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
18567 "addsi3", "subsi3"): Insn patterns removed.
18568 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
18569 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
18570 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
18571 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
18572 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
18573 "*sub<mode>3_cconly2"): New insn patterns.
18574 ("addsi3", "subsi3"): New expanders.
18576 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
18578 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
18579 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
18580 existing STMT_VINFO_VECTYPE if available.
18581 (vect_mark_relevant): Add special handling for stmts that are
18582 marked as STMT_VINFO_IN_PATTERN_P.
18583 (vect_analyze_loop): Call vect_pattern_recog.
18584 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
18585 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
18587 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
18588 (vect_recog_func_ptr): New function-pointer type.
18589 * tree-vect-patterns.c: New file.
18590 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
18591 (vect_recog_dot_prod_pattern, vect_pattern_recog):
18592 (vect_pattern_recog_1): New functions.
18593 (vect_pattern_recog_funcs): New array of function pointers.
18595 * tree-vectorizer.h (ternary_op): New enum value.
18596 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
18597 declaration. Revised documentation. Removed redundant dump prints.
18598 Removed redundant argument. Added support for reduction patterns.
18599 (vectorizable_reduction): Added support for reduction patterns.
18600 (vect_transform_stmt): Added support for patterns.
18602 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
18603 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
18604 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
18605 (expand_widen_pattern_expr): New function.
18606 (init_optabs): Initialize new optabs udot_prod_optab,
18608 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
18609 (sdot_prod_optab, udot_prod_optab): Define new optabs.
18610 (expand_widen_pattern_expr): New function declaration.
18611 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
18613 * tree-inline.c (estimate_num_insns_1): Added cases for new
18614 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
18615 * tree-pretty-print.c (dump_generic_node): Likewise.
18616 (op_prio): Likewise.
18617 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
18618 * tree-ssa-operands.c (get_expr_operands): Added case for
18620 * tree-vect-patterns.c (widened_name_p): New function.
18621 (vect_recog_dot_prod_pattern): Added function implementation.
18622 * tree-vect-transform.c (get_initial_def_for_reduction): Added
18623 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
18624 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
18625 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
18627 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
18628 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
18629 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
18630 (init_optabs): Initialize new optabs widen_ssum_optab,
18632 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
18633 (widen_ssum_optab, widen_usum_optab): Define new optabs.
18634 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
18635 use instead of type of def.
18636 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
18637 function implementation.
18638 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
18639 widen_ssumv8hi): New.
18641 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
18644 2006-01-19 Richard Sandiford <richard@codesourcery.com>
18647 * c-decl.c (add_flexible_array_elts_to_size): New function.
18648 (finish_decl): Use it.
18650 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
18652 * diagnostic.h: Include options.h.
18653 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
18654 dependancies for diagnostic.h.
18655 * Makefile.in (DIAGNOSTIC_H): Add options.h.
18657 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
18659 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
18660 (ssa_ro_call_cache_valid): Ditto.
18661 * tree-ssa-alias.c (sort_tags_by_id): New function.
18662 (init_transitive_clobber_worklist): Ditto.
18663 (add_to_worklist): Ditto.
18664 (mark_aliases_call_clobbered): Ditto.
18665 (compute_tag_properties): Ditto.
18666 (set_initial_properties): Ditto.
18667 (compute_call_clobbered): Ditto.
18668 (compute_may_aliases): Call compute_call_clobbered and grouping.
18669 (compute_flow_sensitive_aliasing): Remove clobbering related code.
18670 (compute_flow_insensitive_aliasing): Grouping now happens in our
18672 (setup_pointers_and_addressables): Remove clobbering related code.
18673 (add_may_alias): Ditto.
18674 (replace_may_alias): Ditto.
18675 (get_nmt_for): Ditto.
18676 (create_global_var):
18677 (is_escape_site): Return an escape_type enumeration.
18678 * tree-flow-inline.h (is_call_clobbered): Global var does not
18679 imply call clobbered.
18680 (mark_call_clobbered): Take a reason for marking this. Remove
18681 marking of globalness, and cache invalidation.
18682 (clear_call_clobbered): Remove cache invalidation code.
18683 * tree-dfa.c (dump_variable): If details is on, dump the reason
18685 * tree-outof-ssa.c (create_temp): Copy escape mask from original
18687 * tree-flow.h (struct ptr_info_def): Add escape mask member.
18688 (struct var_ann_d): Ditto.
18689 (enum escape_type): New.
18690 (mark_call_clobbered): Adjust prototype.
18691 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
18692 are never call clobbered.
18693 Record reasons for escaping.
18694 * tree-ssa-structalias.h (is_escape_site): Update prototype.
18695 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
18696 (ssa_ro_call_cache_valid): Ditto.
18697 (clobbered_v_may_defs): Ditto.
18698 (clobbered_vuses): Ditto.
18699 (ro_call_vuses): Ditto.
18700 (clobber_stats): New.
18701 (init_ssa_operands): Zero out clobber stats.
18702 (fini_ssa_operands): Print out clobber stats.
18703 (get_call_expr_operands): Pass callee fndecl to
18704 add_call_read_ops).
18705 (add_call_clobber_ops): Remove use of cache.
18706 Add use of PURE_CONST information.
18707 (add_call_read_ops): Remove use of cache.
18708 Add use of static not_read information.
18710 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
18712 Introduce TLS descriptors for i386 and x86_64.
18713 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
18714 (TARGET_ANY_GNU_TLS): New macro.
18715 (enum tls_dialect): Added TLS_DIALECT_GNU2.
18716 (struct machine_function): Add tls_descriptor_call_expanded_p.
18717 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
18718 (ix86_current_function_calls_tls_descriptor): Likewise.
18719 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
18720 (override_options): Introduce gnu2 tls dialect.
18721 (ix86_frame_pointer_required): Functions containing TLSCALLs are
18723 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
18725 (legitimize_tls_address): Adjust logic for GNU2 TLS.
18726 (ix86_init_machine_status): Initialize new field.
18727 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
18728 (ix86_tls_module_base): New.
18729 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
18730 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
18731 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
18732 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
18733 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
18734 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
18735 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
18736 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
18737 * config/i386/predicates.md (tls_modbase_operand): New.
18738 (tp_or_register_operand): New.
18740 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
18742 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
18743 (look_for_address_of): Ditto.
18744 (ipa_init): Walk the function decls.
18745 (static_execute): Don't set readonly on FUNCTION_DECL's.
18747 2006-01-18 Roger Sayle <roger@eyesopen.com>
18749 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
18750 for shifts where the source and destination registers are different.
18752 2006-01-18 Paul Brook <paul@codesourcery.com>
18754 Merge from csl-arm-branch.
18755 2005-03-14 Julian Brown <julian@codesourcery.com>
18756 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
18757 (aeabi_llsl): Likewise.
18758 (ashrdi3): Likewise.
18759 (aeabi_lasr): Likewise.
18760 (lshrdi3): Likewise.
18761 (aeabi_llsr): Likewise.
18762 2005-03-10 Julian Brown <julian@codesourcery.com>
18763 * config.gcc: Disable shared libgcc for SymbianOS.
18764 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
18766 2006-01-18 DJ Delorie <dj@redhat.com>
18768 * c-pragma.c (handle_pragma_diagnostic): New.
18769 (init_pragma): Register it.
18770 * doc/extend.texi: Document it.
18772 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
18773 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
18774 (diagnostic_context): Add classify_diagnostic[].
18775 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
18776 as errors if they're overridden to DK_WARNING.
18777 (diagnostic_initialize): Initialize classify_diagnostic[].
18778 (diagnostic_set_kind_override): New.
18779 (diagnostic_report_diagnostic): Check for kind changes.
18780 * opts.c (common_handle_option): Take lang_mask. Update callers.
18781 Handle OPT_Werror_.
18782 * common.opt (Werror=): New.
18783 * doc/invoke.texi: Document -Werror=*
18785 2006-01-18 Jeff Law <law@redhat.com>
18787 * tree-vrp.c (test_for_singularity): Correct test for new
18788 min limit. Use operand_equal_p rather than pointer equality
18789 for testing if new min/max values are equal.
18791 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
18792 using range information until after propagation and folding.
18794 2006-01-18 Richard Henderson <rth@redhat.com>
18795 Aldy Hernandez <aldyh@redhat.com>
18796 Jakub Jelinek <jakub@redhat.com>
18797 Diego Novillo <dnovillo@redhat.com>
18799 * omp-low.c: New file.
18800 * c-omp.c: New file.
18802 2006-01-18 Richard Henderson <rth@redhat.com>
18803 Jakub Jelinek <jakub@redhat.com>
18804 Diego Novillo <dnovillo@redhat.com>
18806 * doc/invoke.texi: Document -fopenmp.
18807 * tree-dump.h (debug_function): Declare.
18808 * hooks.c (hook_bool_tree_bool_false): New function.
18809 (hook_tree_tree_null): Remove.
18810 (hook_tree_tree_tree_null): New.
18811 * hooks.h: Update to match.
18812 * tree-pretty-print.c (debug_tree_chain): New.
18813 (print_generic_expr): Handle TDF_CHAIN.
18814 (dump_generic_node): Handle BLOCK.
18815 Do not abort with incomplete SWITCH_EXPRs.
18816 Do not dump body of an OpenMP directive if TDF_SLIM is given.
18817 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
18818 print space after directive name.
18819 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
18820 Handle OMP_MASTER and OMP_ORDERED.
18821 Handle printing of OMP_BODY just in one place, goto
18822 dump_omp_body in the rest of OMP_* nodes that have
18824 Don't handle clause nodes here. Update omp statements to
18825 use dump_omp_clauses.
18826 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
18827 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
18828 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
18829 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
18830 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
18831 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
18832 Adjust output for GOMP_PARALLEL.
18833 (dump_omp_clauses): New.
18834 (print_declaration): Dump DECL_VALUE_EXPR.
18835 (op_symbol_1): Split out of op_symbol.
18836 (dumping_stmts): Remove. Update all users.
18837 * cgraph.c (cgraph_analyze_queue): New.
18838 (cgraph_add_new_function): New.
18839 * cgraph.h (cgraph_analyze_queue): Declare.
18840 (cgraph_add_new_function): Declare.
18841 (cgraph_lower_function): Remove.
18842 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
18843 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
18844 and TYPE_P nodes in its default clause.
18845 (empty_body_p): New.
18846 (tree_range_check_failed): New.
18847 (build5_stat): New.
18848 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
18849 OMP_CLAUSE_REDUCTION_MERGE,
18850 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
18851 OMP_CLAUSE_PRIVATE_DEBUG,
18852 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
18853 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
18854 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
18855 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
18856 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
18857 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
18858 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
18859 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
18860 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
18861 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
18862 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
18863 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
18864 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
18865 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
18866 (TREE_RANGE_CHECK): New.
18867 (empty_body_p): Declare.
18868 (enum omp_clause_default_kind): New.
18869 (build_string_literal): Declare.
18870 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
18871 (build5_stat, build5): Declare.
18872 * tree-pass.h (TDF_CHAIN): Define.
18873 * tree-pass.h (PROP_gimple_lomp): Define.
18874 (pass_lower_omp): Declare.
18875 * diagnostic.h (debug_tree_chain): Declare.
18876 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
18878 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
18879 * builtins.c (build_string_literal): Make extern.
18880 * gcc.c (include_spec_function): New.
18881 (static_spec_functions): Add it.
18882 (main): Move load of libgomp.spec ...
18883 (LINK_COMMAND_SPEC): ... here.
18884 (link_gomp_spec): New.
18885 (static_specs): Include it.
18886 (LINK_COMMAND_SPEC): Add link_gomp.
18887 (GOMP_SELF_SPECS): New.
18888 (driver_self_specs): Include it.
18889 (switch_matches): Don't mark inline.
18890 (main): Load libgomp.spec.
18891 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
18892 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
18893 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
18894 * tree-gimple.h (enum omp_parallel): Declare.
18895 (determine_parallel_type): Declare.
18896 (omp_firstprivatize_variable): Declare.
18897 (omp_reduction_init): Declare.
18898 (diagnose_omp_structured_block_errors): Declare.
18899 (struct walk_stmt_info): Add want_return_expr.
18900 (struct walk_stmt_info): Add want_bind_expr, want_locations.
18901 (find_omp_clause): Declare.
18902 (insert_field_into_struct): Declare.
18903 (struct walk_stmt_info): Move from tree-nested.c
18904 (walk_stmts): Declare.
18905 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
18907 * cgraphunit.c (cgraph_lower_function): Make static.
18908 (cgraph_finalize_pending_functions): New.
18909 (cgraph_finalize_function): Call it.
18910 (cgraph_finalize_compilation_unit): Likewise.
18911 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
18912 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
18913 (BT_FN_UINT_UINT): New.
18914 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
18915 DEF_FUNCTION_TYPE_VAR_4): Document.
18916 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
18917 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
18918 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
18919 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
18920 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
18921 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
18922 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
18923 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
18924 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
18925 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
18926 into separate files.
18927 (DEF_GOMP_BUILTIN): New.
18928 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
18929 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
18930 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
18931 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
18932 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
18933 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
18934 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
18935 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
18936 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
18937 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
18938 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
18939 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
18940 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
18941 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
18942 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
18943 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
18944 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
18945 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
18946 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
18947 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
18948 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
18949 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
18950 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
18951 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
18952 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
18953 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
18954 * sync-builtins.def: New file, moved from builtins.def.
18955 * omp-builtins.def: New file, moved from builtins.def.
18956 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
18957 * gimple-low.c (lower_function_body): Clear data.
18958 (lower_stmt): Do not handle COMPOUND_EXPR.
18959 Remove call to print_node_brief.
18960 * c-tree.h (c_finish_omp_clauses): New prototype.
18961 (C_DECL_THREADPRIVATE_P): Define.
18962 (lookup_name_no_remap, c_omp_remap_private): Remove
18963 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
18964 (check_for_loop_decls): Update decl.
18965 (lookup_name_no_remap, c_omp_remap_private): Declare.
18966 (build_indirect_ref, build_modify_expr, pushdecl,
18967 pushdecl_top_level): Move to c-common.h.
18968 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
18969 before the switch, but just in the 2 places that need it.
18970 * c-decl.c (diagnose_mismatched_decls): Do not check for
18971 mismatched thread-local attributes when OLDDECL is marked
18972 threadprivate and NEWDECL has no thread-local attributes.
18973 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
18974 (c_gimple_diagnostics_recursively): Rename from
18975 c_warn_unused_result_recursively. Invoke
18976 diagnose_omp_structured_block_errors.
18977 (check_for_loop_decls): Return a singular decl found.
18978 * langhooks.c (lhd_omp_predetermined_sharing): Return
18979 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
18980 (lhd_omp_firstprivatize_type_sizes): New.
18981 (lhd_omp_assignment): New.
18982 (lhd_omp_predetermined_sharing): New.
18983 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
18984 (struct lang_hooks_for_types): Add
18985 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
18986 omp_predetermined_sharing, omp_disregard_value_expr,
18987 omp_private_debug_clause, omp_clause_default_ctor,
18988 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
18989 (c_finish_omp_clauses): New.
18990 (c_finish_bc_stmt): Diagnose break within omp for.
18991 (c_begin_omp_parallel, c_finish_omp_parallel): New.
18992 (build_unary_op): Return error_mark after reporting
18994 (build_modify_expr): Likewise.
18995 * gimplify.c: Include optabs.h and pointer-set.h.
18996 (enum gimplify_omp_var_data): Declare.
18997 (struct gimplify_omp_ctx): Declare.
18998 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
19000 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
19001 (push_gimplify_context, pop_gimplify_context): Allow nesting.
19002 (splay_tree_compare_decl_uid): New.
19003 (new_omp_context): New.
19004 (delete_omp_context): New.
19005 (gimple_add_tmp_var): Call omp_add_variable.
19006 (gimplify_bind_expr): Likewise.
19007 (gimplify_var_or_parm_decl): If omp_notice_variable returned
19008 true, disregard DECL_VALUE_EXPR on the decl if any.
19009 (gimplify_expr_in_ctx): New.
19010 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
19011 omp_add_variable, omp_notice_variable, omp_is_private
19012 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
19013 gimplify_adjust_omp_clauses, gimplify_omp_parallel
19014 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
19015 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
19016 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
19017 gimplify_omp_atomic): New.
19018 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
19019 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
19020 OMP_CRITICAL and OMP_ATOMIC.
19021 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
19022 * c-pragma.h (enum pragma_kind): Add
19023 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
19024 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
19025 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
19026 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
19027 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
19028 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
19029 PRAGMA_OMP_THREADPRIVATE.
19030 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
19031 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
19032 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
19033 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
19034 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
19035 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
19036 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
19037 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
19038 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
19039 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
19040 * tree-ssa-dce.c (find_control_dependence): Do not assume that
19041 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
19042 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
19044 (struct nesting_info): Add field_map,
19045 suppress_expansion, debug_var_chain.
19046 (create_nesting_tree): Initialize them.
19047 (lookup_field_for_decl): Use field_map.
19048 (get_nonlocal_debug_decl, get_local_debug_decl): New.
19049 (convert_local_omp_clauses): New.
19050 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
19051 (walk_body): Split out of walk_function.
19052 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
19053 (convert_nonlocal_reference): Handle omp statements.
19054 (convert_local_reference): Likewise.
19055 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
19056 (unnest_nesting_tree): New.
19057 (lower_nested_functions): Call it.
19058 (insert_field_into_struct): Make extern.
19059 (struct walk_stmt_info): Move to tree-gimple.h.
19060 (walk_stmts): Make extern.
19061 * omp-builtins.def: New file.
19062 * tree-iterator.c (expr_only): Clarify comment.
19063 * c-common.h (pushdecl_top_level, pushdecl,
19064 build_modify_expr, build_indirect_ref,
19065 c_finish_omp_master, c_finish_omp_critical,
19066 c_finish_omp_ordered, c_finish_omp_barrier,
19067 c_finish_omp_atomic, c_finish_omp_flush,
19068 c_finish_omp_for, c_split_parallel_clauses,
19069 omp_clause_default_kind, c_omp_sharing_predetermined,
19070 c_omp_remap_decl): Declare.
19071 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
19072 (OBJS-common): Add omp-low.o.
19073 (c-omp.o, omp-low.o): Add.
19074 (gimplify.o): Add dependency on $(OPTABS_H).
19075 (GTFILES): Add omp-low.c.
19076 (gt-stringpool.h): Add.
19077 * tree-cfg.c (set_bb_for_stmt): Do not update the
19078 block-to-labels map if we are currently expanding to RTL.
19079 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
19081 Handle IDENTIFIER_NODE.
19082 (tree_verify_flow_info): Do not ICE when emitting error
19083 messages about invalid labels.
19084 (dump_function_to_file): Reset CFUN before emitting the body
19086 (debug_function): New.
19087 * passes.c (init_optimization_passes): Schedule
19089 * langhooks-def.h (lhd_omp_predetermined_sharing,
19090 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
19092 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
19093 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
19094 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
19095 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
19096 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
19097 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
19098 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
19099 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
19100 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
19101 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
19102 (LANG_HOOK_DECLS): Use them.
19104 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
19105 Richard Henderson <rth@redhat.com>
19106 Jakub Jelinek <jakub@redhat.com>
19107 Diego Novillo <dnovillo@redhat.com>
19109 * c-parser.c (pragma_omp_clause): Define.
19110 (c_parser_declaration_or_fndef): Document OpenMP syntax.
19111 (c_parser_compound_statement): Likewise.
19112 (c_parser_statement): Likewise.
19113 (c_parser_pragma): Handle omp pragmas.
19114 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
19115 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
19116 (c_parser_omp_clause_name, check_no_duplicate_clause,
19117 c_parser_omp_variable_list,
19118 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
19119 c_parser_omp_clause_copyprivate,
19120 c_parser_omp_clause_default,
19121 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
19122 c_parser_omp_clause_lastprivate,
19123 c_parser_omp_clause_nowait,
19124 c_parser_omp_clause_num_threads,
19125 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
19126 c_parser_omp_clause_reduction,
19127 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
19128 c_parser_omp_all_clauses, c_parser_omp_structured_block,
19129 c_parser_omp_atomic, c_parser_omp_barrier,
19130 c_parser_omp_critical, c_parser_omp_flush,
19131 c_parser_omp_for_loop, c_parser_omp_for,
19132 c_parser_omp_master, c_parser_omp_ordered,
19133 c_parser_omp_sections_scope, c_parser_omp_sections,
19134 c_parser_omp_parallel, c_parser_omp_single,
19135 c_parser_omp_construct, c_parser_omp_threadprivate): New.
19136 * c-pragma.c (init_pragma): Do omp pragma registration here.
19137 * c.opt (fopenmp): New flag.
19139 2006-01-18 Eric Christopher <echristo@apple.com>
19141 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
19142 * config/darwin.h (GOMP_SELF_SPECS): Define.
19144 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
19146 * rtl.h: Remove the prototype for reg_alloc.
19148 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19151 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
19152 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
19153 sjlj and dwarf2 exception handling.
19154 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
19155 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
19156 * pa/pa.c (function_value): Treat complex and vector types as
19158 (function_arg): Likewise. Only pass scalar floats in the floating
19159 point argument registers.
19160 * pa/t-slibgcc-dwarf-ver: New file.
19161 * pa/t-slibgcc-sjlj-ver: New file.
19162 * pa/t-slibgcc-elf-ver: Delete file.
19164 2006-01-19 Alan Modra <amodra@bigpond.net.au>
19166 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
19167 unlikely_test_section_p test.
19169 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
19171 * mode-switching.c (optimize_mode_switching): Make it static.
19172 * basic-block.h: Remove the prototype for
19173 optimize_mode_switching.
19175 * modulo-sched.c (sms_schedule): Make it static.
19176 * rtl.h: Remove the prototype for sms_schedule.
19178 * postreload-gcse.c (gcse_after_reload_main): Make it static.
19179 * rtl.h: Remove the prototype for gcse_after_reload_main.
19181 * reg-stack.c (reg_to_stack): Make it static.
19182 * rtl.h: Remove the prototype for reg_to_stack.
19184 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
19186 * rtl.h: Remove the prototypes for regrename_optimize and
19187 copyprop_hardreg_forward.
19189 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
19191 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
19192 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
19193 Test against the appropriate null constant for the mode.
19194 If 'fixup_overlap' is true, swap the operands if they overlap.
19195 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
19196 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
19197 alpha_split_tmode_pair and adjust for above change.
19198 * config/alpha/alpha.md (movtf_internal): Adjust call to
19199 alpha_split_tfmode_pair and rely on it to swap the operands.
19200 (movti_internal): New insn and post-reload splitter.
19201 (movti): New expander.
19203 2006-01-18 Philippe De Muyter <phdm@macqel.be>
19205 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
19208 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
19210 * rtlanal.c (global_reg_mentioned_p_1,
19211 global_reg_mentioned_p): Remove.
19212 * rtl.h: Remove the prototype for global_reg_mentioned_p.
19214 * flow.c (initialize_uninitialized_subregs): Make it static.
19215 * rtl.h: Remove the prototype for
19216 initialize_uninitialized_subregs.
19218 * function.c (instantiate_virtual_regs): Make it static.
19219 * function.h: Remove the prototype for
19220 instantiate_virtual_regs.
19222 * regmove.c (regmove_optimize, combine_stack_adjustments):
19224 * rtl.h: Remove the prototypes for regmove_optimize and
19225 combine_stack_adjustments.
19227 2006-01-17 Roger Sayle <roger@eyesopen.com>
19229 * config/i386/i386.c (COSTS_N_BYTES): New macro.
19230 (size_cost): Encode costs in bytes so that a reg-reg addition is
19231 equivalent to COSTS_N_INSNS(1).
19232 (override_options): Use the size_cost.branch_cost as the default
19233 ix86_branch_cost when optimizing for size.
19235 2006-01-18 Ben Elliston <bje@au.ibm.com>
19237 * Makefile.in (D32PBIT_FUNCS): New.
19238 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
19239 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
19240 D64PBIT_FUNCS and D128PBIT_FUNCS.
19241 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
19242 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
19244 (decnumber_dep): Define.
19245 * doc/libgcc.texi (Decimal float library routines): New node.
19246 * config/dfp-bit.h, config/dfp-bit.c: New files.
19248 2006-01-18 Ben Elliston <bje@au.ibm.com>
19250 * expr.c (emit_move_change_mode): Always adjust addresses, not
19251 just during reload. Copy replacements only during reload.
19252 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
19253 emit_move_via_integer.
19255 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
19257 * Makefile.in (check-%, check-consistency): Use $${srcdir}
19258 instead of $(srcdir) and ${srcdir}.
19260 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
19263 PR middle-end/11135
19264 * arm.h (struct machine_function): Add pic_reg.
19265 * arm.c (arm_pic_register): Make unsigned.
19266 (arm_override_options): Only set arm_pic_register if
19267 TARGET_SINGLE_PIC_BASE.
19268 (use_return_insn): Only test for a pic register if it is fixed.
19269 (arm_compute_save_reg0_reg12_mask): Likewise.
19270 (thumb_compute_save_reg_mask): Likewise.
19271 (legitimate_pic_operand): Factor out some known invariants.
19272 (legitimize_pic_address): If we don't have a fixed pic register,
19273 then set up a pseudo in the function entry sequence. Handle the
19274 pic base being in a pseudo.
19275 (arm_load_pic_register): Handle the pic register being in a pseudo.
19276 (arm_expand_prologue): Only set up the pic register if it is fixed.
19277 (thumb_expand_prologue): Likewise.
19278 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
19279 (pic_load_addr_based_insn): Likewise.
19280 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
19283 2006-01-18 Ben Elliston <bje@au.ibm.com>
19285 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
19286 decimal float modes for all floating point registers.
19288 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
19289 match_code "mem" with match_test "macho_lo_sum_memory_operand".
19291 2006-01-17 Jakub Jelinek <jakub@redhat.com>
19294 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
19295 even when the pointer is not NULL.
19297 2006-01-16 Ian Lance Taylor <ian@airs.com>
19299 * common.opt (ftoplevel-reorder): New option.
19300 * cgraph.c (cgraph_asm_nodes): New global variable.
19301 (cgraph_asm_last_node): New static variable.
19302 (cgraph_order): New global variable.
19303 (cgraph_create_node): Set new order field.
19304 (cgraph_varpool_node): Likewise.
19305 (decide_is_variable_needed): Return true if not
19306 flag_toplevel_reorder.
19307 (cgraph_add_asm_node): New function.
19308 * cgraph.h (struct cgraph_node): Add order field.
19309 (struct cgraph_varpool_node): Add order field.
19310 (struct cgraph_asm_node): Define.
19311 (cgraph_asm_nodes, cgraph_order): Declare.
19312 (cgraph_add_asm_node): Declare.
19313 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
19315 (cgraph_varpool_assemble_pending_decls): Call it.
19316 (cgraph_output_pending_asms): New static function.
19317 (cgraph_finalize_compilation_unit): Call it.
19318 (struct cgraph_order_sort): Define.
19319 (cgraph_output_in_order): New static function.
19320 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
19321 !flag_toplevel_reorder case.
19322 * c-parser.c: Include "cgraph.h".
19323 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
19325 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
19326 than -fno-unit-at-a-time.
19327 * doc/invoke.texi (Option Summary): Mention
19328 -fno-toplevel-reorder.
19329 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
19330 -funit-at-a-time documentation.
19332 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
19333 Kazu Hirata <kazu@codesourcery.com>
19335 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
19337 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
19339 * Makefile.in (FUNCTION_H): New. Use it instead of
19340 function.h throughout the file.
19341 * function.h: Include tree.h.
19343 2006-01-17 Ben Elliston <bje@au.ibm.com>
19345 * recog.c: Separate some functions with whitespace.
19347 2006-01-16 Richard Henderson <rth@redhat.com>
19349 Merge from gomp branch:
19350 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
19351 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
19352 and rename from struct inline_data. Rename callee* to dst*;
19353 caller* to src*; add copy_decl hook, transform_call_graph_edges,
19354 transform_new_cfg, transform_return_to_modify, and
19355 transform_lang_insert_block flags; remove cloning_p, versioning_p,
19357 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
19358 (copy_decl_for_dup): Remove.
19359 * tree-inline.c (struct inline_data): Move to header.
19360 (insert_decl_map): Export.
19361 (remap_decl): Update for member name changes. Use copy_decl hook.
19362 Allow for replacement to be a non-decl. Remove dead code.
19363 (remap_type_1): Check for existing mapping.
19364 (remap_type): Export.
19365 (remap_decls): Update for member name changes.
19366 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
19367 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
19368 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
19369 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
19370 (tree_function_versioning, build_duplicate_type): Likewise.
19371 (copy_body_r): Likewise. Export.
19372 (copy_decl_for_dup): Split into ...
19373 (copy_decl_for_dup_finish, copy_decl_to_var,
19374 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
19375 (replace_ref_tree, inlining_p): Remove.
19377 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
19379 * ifcvt.c (if_convert): Make it static.
19380 * rtl.h: Remove the prototype for if_convert.
19382 * local-alloc.c (local_alloc): Make it static.
19383 * rtl.h: Remove the prototype for local_alloc.
19385 * loop.c (loop_optimize): Make it static.
19386 * cfgloop.h: Remove the prototype for loop_optimize.
19389 2006-01-16 DJ Delorie <dj@redhat.com>
19391 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
19394 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19396 * pa.md: Disparage copies between general and floating-point registers
19397 in 32-bit move patterns.
19399 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
19402 * Makefile.in (check-%): Depend on site.exp instead of
19403 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
19406 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
19408 * global.c (global_alloc): Make it static.
19409 * rtl.h: Remove the prototype for global_alloc.
19411 2006-01-16 Richard Guenther <rguenther@suse.de>
19413 * tree-ssa-alias.c (struct used_part): Add write_only field.
19414 (get_or_create_used_part_for): Initialize it to true.
19415 (create_overlap_variables_for): Don't create structure variables
19416 for structures that only are written to.
19417 (find_used_portions): Handle MODIFY_EXPR to track whether a
19418 structure is only written to.
19420 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
19422 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
19424 * basic-block.h: Remove the prototype for
19425 partition_hot_cold_basic_blocks.
19427 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
19429 * cppspec.c (lang_specific_spec_functions): Remove.
19430 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
19431 * gcc.h (lang_specific_spec_functions): Remove.
19432 * gccspec.c (lang_specific_spec_functions): Remove.
19434 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
19436 * combine.c (record_value_for_reg): Invalidate registers
19438 (record_dead_and_set_regs_1): Likewise, by passing them to
19439 record_value_for_reg.
19440 (record_dead_and_set_regs): Invalidate stores made by a
19441 call. We do not combine across a call, but we still
19442 relied on equivalences.
19444 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
19446 * tree-vrp.c (extract_range_from_binary_expr): Cope with
19447 vrp_int_const_binop returning non-constant nodes.
19449 2006-01-16 Paul Brook <paul@codesourcery.com>
19451 * config/m68k/m68k.c (output_move_const_into_data_reg):
19452 Output correct mnemonic for mvz and mvs.
19454 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
19456 * rtl-factoring.c: Add sequence abstraction algorithm.
19457 * cfgcleanup.c (outgoing_edges_match): Extra checks.
19458 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
19460 (block_has_preserve_label): New function.
19461 * common.opt: Register new pass.
19462 * Makefile.in: Ditto.
19464 * timevar.def: Ditto.
19465 * tree-pass.h: Ditto.
19466 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
19467 * rtl.h (make_jump_insn_raw): Add forward decl.
19468 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
19470 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
19471 Roger Sayle <roger@eyesopen.com>
19473 * fold-const.c (fold_minmax): New static function.
19474 (fold_binary) <MIN_EXPR>: Call it.
19475 <MAX_EXPR>: Likewise.
19476 * stor-layout.c (place_field): Use DECL_SIZE consistently
19477 in the computation of the new record size.
19479 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
19481 * cse.c (cse_condition_code_reg): Make it static.
19482 * rtl.h: Remove the prototype for cse_condition_code_reg.
19484 * combine.c (combine_instructions): Make it static.
19485 * rtl.h: Remove the prototype for combine_instructions.
19487 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19490 * tree.c (get_file_function_name_long): Concatenate the first global
19491 object name with a string derived from the input filename of the object
19494 2006-01-16 Ben Elliston <bje@au.ibm.com>
19496 * config/i386/winnt-stubs.c: Update FSF address.
19497 * config/xtensa/ieee754-df.S: Ditto.
19498 * config/xtensa/ieee754-sf.S: Ditto.
19500 2006-01-14 Ian Lance Taylor <ian@airs.com>
19502 * ifcvt.c (noce_init_if_info): New static function, broken out of
19503 noce_process_if_block.
19504 (noce_process_if_block): Call noce_init_if_info.
19505 (check_cond_move_block): New static function.
19506 (cond_move_process_if_block): New static function.
19507 (process_if_block): Call cond_move_process_if_block.
19509 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
19511 * cselib.c (hash_table): Rename to cselib_hash_table.
19512 (cselib_clear_table, discard_useless_values,
19513 remove_useless_values, cselib_lookup_mem, cselib_lookup,
19514 cselib_init, cselib_finish): Adjust uses of hash_table.
19516 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
19518 PR tree-optimization/25485
19519 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
19520 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
19521 is known to be false and true, respectively.
19523 2006-01-14 Richard Guenther <rguenther@suse.de>
19525 PR tree-optimization/22548
19526 PR tree-optimization/22555
19527 PR tree-optimization/22501
19528 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
19529 * params.def (salias-max-array-elements): New parameter.
19530 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
19531 * doc/invoke.texi (salias-max-array-elements): Document.
19532 * tree-flow-inline.h (var_can_have_subvars): We also handle
19534 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
19536 * tree-ssa-structalias.c (params.h): Include.
19537 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
19538 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
19539 (get_constraint_for): For ADDR_EXPR operating on something
19540 containing an ARRAY_REF, add all subvars to the solution.
19541 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
19542 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
19543 for creating MUST_DEFs.
19544 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
19546 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
19548 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
19550 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
19551 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
19552 number_of_iterations_le): New functions.
19553 (number_of_iterations_special): Removed.
19554 (number_of_iterations_exit): Do not use number_of_iterations_special.
19555 * tree.c (unsigned_type_for): Always return integer type.
19557 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
19558 Richard Guenther <rguenther@suse.de>
19560 PR rtl-optimization/24257
19561 * gcse.c (find_moveable_store): Only consider a store movable
19562 when the SET_SRC of the insn can be assigned to a register.
19564 2006-01-14 Ian Lance Taylor <ian@airs.com>
19566 * tree.c (tree_not_class_check_failed): New function.
19567 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
19568 (tree_not_class_check_failed): Declare.
19570 2006-01-13 Ian Lance Taylor <ian@airs.com>
19572 * reload1.c (do_output_reload): Add assertion rejecting a
19575 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
19577 * combine.c (struct reg_stat): Add new fields truncation_label and
19579 (record_value_for_reg): Reset truncated_to_mode.
19580 (record_truncated_value): New function.
19581 (check_promoted_subreg): Call it. Rename to check_conversions.
19582 (combine_instructions): Rename check_promoted_subreg to
19584 (reg_truncated_to_mode): New function.
19585 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
19586 (gen_lowpart_or_truncate): New function.
19587 (force_to_mode): Use it instead of gen_lowpart.
19589 2006-01-13 Diego Novillo <dnovillo@redhat.com>
19591 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
19592 VAR is a tag, not its type tag.
19594 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
19596 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
19597 alternatives to match style of other entries.
19598 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
19600 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
19602 PR tree-optimization/25771
19603 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
19606 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
19609 * tree-inline.c (declare_return_variable): If the return variable
19610 was marked as a non gimple complex, set the return slot variable
19611 to be a non gimple comple variable.
19613 2006-01-13 Richard Guenther <rguenther@suse.de>
19615 * builtins.c (expand_builtin_sincos): New function.
19616 (expand_builtin_mathfn_3): Remove dead code, sin and cos
19618 (expand_builtin): Expand sincos using expand_builtin_sincos.
19620 2006-01-12 DJ Delorie <dj@redhat.com>
19622 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
19623 shift counts, separate SI shifts for m32c vs m16c, pass shift type
19624 so that constant shifts can be split.
19625 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
19626 (m32c_valid_pointer_mode): Make static.
19627 (shift_gen_func_for): New.
19628 (m32c_prepare_shift): Use it. Split large const shifts into
19630 * config/m32c/predicates.md (shiftcount_operand): Allow more
19632 (longshiftcount_operand): New.
19633 * doc/md.texi (Machine Constraints): Document In6.
19635 2006-01-13 Ben Elliston <bje@au.ibm.com>
19637 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
19638 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
19641 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
19643 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
19644 to try to avoid clobbering pieces of structures when we know
19645 something about the whole structure.
19646 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
19648 2006-01-13 Ben Elliston <bje@au.ibm.com>
19650 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
19651 return in memory, as this is no limitation is no longer present.
19653 2006-01-12 DJ Delorie <dj@redhat.com>
19655 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
19656 mova with fb, and for fb+0 -> An.
19658 * config/m32c/mov.md (peephole2): Fix enabling logic.
19660 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
19661 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
19662 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
19663 FINI_ARRAY_SECTION_ASM_OP): Define.
19665 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
19667 (m32c_legitimize_reload_address): New logic to reload FB to An.
19668 (m32c_output_reg_push): Add newline.
19669 (m32c_output_reg_pop): Likewise.
19671 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
19673 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
19675 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
19677 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
19679 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
19681 * config/sh/predicates.md (sh_rep_vec): Add parallel to
19684 2006-01-11 Ben Elliston <bje@au.ibm.com>
19686 * rtlanal.c (find_reg_note): Assert insn is not null.
19688 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
19690 * df-scan.c (df_hard_reg_init): Move declaration of i outside
19693 2006-01-11 Jeff Law <law@redhat.com>
19695 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
19697 (mark_threaded_blocks, register_jump_thread): New functions.
19698 (thread_through_all_blocks): Remove unwanted argument. No
19699 longer rely on e->aux to communicate thread target info.
19700 Call mark_threaded_blocks. Release the threaded_blocks
19701 bitmap and threaded_edges vector when complete.
19702 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
19703 (threaded_blocks): Remove.
19704 (tree_ssa_dominator_optimize): Remove initialization and
19705 finalization of threaded_blocks. Simplify call to
19706 thread_through_all_blocks.
19707 (thread_across_edge): Call register_jump_thread rather than
19708 storing thread information into e->aux.
19709 (free_all_edge_infos): Simplify now that e->aux is no longer
19710 used to communicate with thread_through_all_blocks.
19711 * tree-flow.h (thread_through_all_blocks): Update prototype.
19712 (register_jump_thread): Prototype.
19714 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
19716 * df-core.c (df_compact_blocks, df_bb_replace): Use
19717 SET_BASIC_BLOCK instead of BASIC_BLOCK.
19719 2006-01-11 Richard Guenther <rguenther@suse.de>
19721 PR tree-optimization/25734
19722 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
19723 stop propagation after successful propagation to the LHS.
19725 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
19727 * basic-block.h (control_flow_graph): Change the type of
19728 x_basic_block_info to VEC(basic_block,gc) *.
19729 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
19731 (SET_BASIC_BLOCK): New.
19732 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
19733 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
19734 * cfgbuild.c (find_basic_blocks): Likewise.
19735 * cfglayout.c (fixup_reorder_chain): Likewise.
19736 * cfgrtl.c (create_basic_block_structure,
19737 rtl_create_basic_block): Likewise.
19738 * ifcvt.c (find_if_case_1): Likewise.
19739 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
19742 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
19744 * Makefile.in: Removed rotted odf.c entry.
19746 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
19749 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
19750 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
19751 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
19752 output pattern modifier, not %e.
19753 * config/cris/cris.c (cris_op_str): Update comment about pattern
19755 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
19756 before falling through into...
19757 <case 'E'>: Redefined from old 'e' case.
19759 2006-01-11 Jan Hubicka <jh@suse.cz>
19762 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
19764 2006-01-11 Jan Hubicka <jh@suse.cz>
19766 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
19767 * i386.c (x86_decompose_lea): Kill.
19768 (ix86_rtx_costs): Kill.
19770 2006-01-11 Jan Hubicka <jh@suse.cz>
19772 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
19773 * cgraph.h (cgraph_node): Add inline_decl.
19774 (cgraph_insert_node_to_hashtable): Declare.
19775 (save_inline_function_body): Declare.
19776 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
19778 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
19779 (cgraph_function_versioning): Update call of tree_function_versioning.
19780 (save_inline_function_body): New function.
19781 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
19782 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
19783 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
19784 (cgraph_default_inline_p): Likewise.
19785 (cgraph_decide_inlining_incrementally): Likewise.
19786 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
19787 (copy_bb): Kill saving; do updating of clones.
19788 (copy_cfg_body): Kill saving.
19789 (initialize_inlined-parameters): Likewise.
19790 (expand_call_inline): Likewise.
19792 (tree_function_versioning): New parameter "update_clones".
19793 (inlining_p): Kill saving.
19794 * tree-inline.h (tree_function_versioning): Update prototype.
19795 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
19798 2006-01-11 Ian Lance Taylor <ian@airs.com>
19800 * combine.c (struct undo): Remove is_int. Enumify types of undos.
19801 Allow undoing set of machine mode.
19802 (do_SUBST): Use enums instead of is_int.
19803 (do_SUBST_MODE): New function.
19804 (SUBST_MODE): New macro.
19805 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
19806 reg and trying to replace reg_regno_rtx with a new register.
19807 (undo_all): Use new enums, handle undoing a PUT_MODE change.
19808 (simplify_set): Use SUBST_MODE.
19809 (distribute_notes): Remove code that tried to update reg notes
19810 for regno_reg_rtx changes.
19812 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
19814 PR tree-optimization/23109
19815 PR tree-optimization/23948
19816 PR tree-optimization/24123
19818 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
19819 * tree-cfg.c (single_noncomplex_succ): New.
19820 * tree-flow.h (single_noncomplex_succ): Declare it.
19821 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
19822 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
19823 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
19824 insert_bb, register_division_in, insert_reciprocals,
19825 replace_reciprocal, free_bb): New.
19826 (execute_cse_reciprocals_1): Rewritten.
19827 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
19828 Do not commit any edge insertion. Always compute dominators and
19829 create the allocation pool.
19830 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
19831 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
19832 * targhooks.c (default_min_divistions_for_recip_mul): New.
19833 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
19834 * passes.c (init_optimization_passes): Run recip after tree loop
19836 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
19838 2006-01-11 Danny Berlin <dberlin@dberlin.org>
19839 Kenneth Zadeck <zadeck@naturalbridge.com>
19841 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
19842 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
19843 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
19844 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
19845 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
19846 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
19847 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
19848 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
19849 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
19850 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
19851 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
19852 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
19853 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
19854 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
19855 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
19856 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
19857 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
19858 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
19859 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
19860 DF_SCAN_POST_ALLOC): New macros.
19861 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
19862 df_free_bb_function, df_local_compute_function, df_init_function,
19863 df_dataflow_function, df_confluence_function_0,
19864 df_confluence_function_n, df_transfer_function,
19865 df_finalizer_function, df_free_function, df_dump_problem_function,
19866 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
19867 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
19868 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
19869 df_urec_bb_info, ) New types.
19870 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
19872 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
19873 df_analyze_simple_change_some_blocks,
19874 df_analyze_simple_change_one_block, df_compact_blocks,
19875 df_bb_replace, df_bb_regno_last_use_find,
19876 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
19877 df_insn_regno_def_p, df_find_def, df_find_use,
19878 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
19879 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
19880 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
19881 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
19882 debug_df_chain, df_get_dependent_problem, df_chain_create,
19883 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
19884 df_grow_bb_info, df_chain_dump, df_print_bb_index,
19885 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
19886 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
19887 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
19888 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
19889 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
19890 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
19891 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
19892 df_ref_remove, df_insn_refs_delete, df_refs_delete,
19893 df_reorganize_refs, df_set_state, df_hard_reg_init,
19894 df_read_modify_subreg_p) New public functions.
19895 * df-core.c: The core dataflow solver and glue routines for rtl
19897 (df_init, df_add_problem, df_set_blocks, df_finish,
19898 df_hybrid_search_forward, df_hybrid_search_backward,
19899 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
19900 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
19901 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
19902 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
19903 df_reg_defined, df_find_use, df_reg_used, df_dump,
19904 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
19905 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
19906 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
19907 debug_df_useno, reset_df_after_reload): New functions.
19908 * df-scan.c: The scanning fuctions, once in df.c, completely
19909 rewritten so that they now fully model the functionality of
19910 register usage at the backend.
19911 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
19912 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
19913 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
19914 df_grow_insn_info, df_rescan_blocks, df_ref_create,
19915 df_get_artificial_defs, df_get_artificial_uses,
19916 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
19917 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
19918 df_refs_delete, df_reorganize_refs, df_set_state,
19919 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
19920 df_def_record_1, df_defs_record, df_uses_record,
19921 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
19922 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
19923 df_record_exit_block_uses, df_hard_reg_init): New functions.
19925 * df-problems.c: Seven concrete dataflow problems that use the
19926 scanning in df-scan.c and are solved by the engine in df-core.c.
19927 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
19928 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
19929 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
19930 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
19931 df_ru_free_bb_info, df_ru_alloc,
19932 df_ru_bb_local_compute_process_def,
19933 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
19934 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
19935 df_ru_transfer_function, df_ru_free, df_ru_dump,
19936 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
19937 df_rd_free_bb_info, df_rd_alloc,
19938 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
19939 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
19940 df_rd_transfer_function, df_rd_free, df_rd_dump,
19941 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
19942 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
19943 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
19944 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
19945 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
19946 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
19947 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
19948 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
19949 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
19950 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
19951 df_urec_mark_reg_change, df_urec_check_earlyclobber,
19952 df_urec_mark_reg_use_for_earlyclobber,
19953 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
19954 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
19955 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
19956 df_urec_dump, df_urec_add_problem, df_chain_alloc,
19957 df_chain_create_bb_process_use, df_chain_create_bb,
19958 df_chain_finalize, df_chain_free, df_chains_dump,
19959 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
19960 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
19961 df_reg_lifetime): New functions.
19962 * df.c: Deleted file.
19963 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
19964 consistent with new df api.
19965 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
19966 rest_of_handle_sms): Ditto.
19967 * web.c (unionfind_union, union_defs, entry_register, web_main):
19969 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
19970 invariant_expr_equal_p, find_defs, check_dependencies,
19971 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
19972 free_inv_motion_data, move_loop_invariants): Ditto.
19973 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
19974 Update dependencies.
19975 (odf.c): Added defective entry that was deleted later in day.
19976 * sched-deps.c (sched_analyze_1): Ditto.
19978 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
19980 * tree-ssa-operands.c (get_expr_operands): Record addressable
19981 variables directly. Do not call add_stmt_operands for CONST_DECLs
19983 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
19984 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
19986 2006-01-11 Ben Elliston <bje@au.ibm.com>
19988 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
19989 function returns true in the positive case.
19991 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19994 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
19995 for SI, DI, SF and DF modes. Add alternatives to copy between
19996 general and floating point registers to the 32-bit patterns.
19997 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
19998 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
19999 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
20000 generating 64-bit code.
20001 * config/pa/pa.c (output_move_double): Handle copies between general
20002 and floating registers.
20004 2006-01-10 Stuart Hastings <stuart@apple.com>
20006 * config/i386/i386.md (set_got): Update.
20007 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
20008 (builtin_setjmp_receiver): Mach-O support.
20009 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
20010 (GOT_SYMBOL_NAME): Define.
20011 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
20012 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
20013 * config/i386/i386.c (override_options): Revise for Darwin.
20014 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
20015 support. (darwin_x86_file_end): New. (output_set_got): Add label
20016 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
20017 * config/i386/i386-protos.h (output_set_got): Likewise.
20018 * config/darwin.c (machopic_legitimize_pic_address): Update
20021 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
20023 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
20024 when MODE isn't BLKmode.
20026 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
20028 PR rtl-optimization/25367
20029 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
20031 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
20034 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
20035 for a negative bound.
20037 2006-01-10 Richard Guenther <rguenther@suse.de>
20039 * tree-ssa-structalias.c (get_constraint_for_component_ref):
20040 Never override with anything constraint.
20042 2006-01-10 Jan Beulich <jbeulich@novell.com>
20044 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
20045 256 bits when optimize_size.
20047 2006-01-10 Jan Beulich <jbeulich@novell.com>
20049 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
20051 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
20052 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
20055 2006-01-10 Ben Elliston <bje@au.ibm.com>
20057 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
20059 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
20060 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
20061 (USE_FP_FOR_ARG): Reject decimal float modes.
20062 (function_arg_advance): Likewise.
20063 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
20064 (rs6000_handle_altivec_attribute): Do not permit decimal floating
20065 point types in AltiVec vectors.
20066 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
20067 (rs6000_libcall_value): Likewise.
20069 2006-01-09 Bob Wilson <bob.wilson@acm.org>
20071 * config/xtensa/ieee754-df.S: New file.
20072 * config/xtensa/ieee754-sf.S: New file.
20073 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
20074 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
20075 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
20077 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
20079 * config/sh/predicates.md (binary_float_operator,
20080 binary_logical_operator, commutative_float_operator,
20081 equality_comparison_operator, greater_comparison_operator,
20082 less_comparison_operator, logical_operator,
20083 noncommutative_float_operator, shift_operator,
20084 symbol_ref_operand, unary_float_operator): Remove redundant
20087 2006-01-09 Jeff Law <law@redhat.com>
20089 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
20090 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
20091 now unused arguments. Callers updated.
20092 (eliminate_redundant_computations): Remove now unused arguments,
20094 (local_fold): Remove, no longer used.
20095 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
20097 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
20098 (simplify_cond): New function.
20099 (forward_propagate_into_cond): Call simplify_cond.
20101 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
20103 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
20104 (*vec_extractv2di_1_sse): New.
20106 2006-01-09 Ben Elliston <bje@au.ibm.com>
20108 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
20110 2006-01-08 Richard Guenther <rguenther@suse.de>
20112 * tree-ssa-structalias.c (get_constraint_for): Remove
20113 anyoffset argument.
20114 (get_constraint_for_component_ref): Likewise.
20115 (do_deref): Likewise.
20116 (get_constraint_for): Likewise.
20117 (do_structure_copy): Likewise.
20118 (handle_ptr_arith): Likewise.
20119 (find_func_aliases): Likewise. Remove unused need_anyoffset
20122 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
20123 Kaz Kojima <kkojima@gcc.gnu.org>
20125 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
20126 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
20127 (EXTRA_CONSTRAINT_C16): Remove.
20128 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
20129 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
20130 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
20131 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
20132 constants of SHmedia. Handle nested constant expressions of
20134 (andcosts): Fix the costs for SHmedia constants.
20135 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
20136 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
20137 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
20138 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
20139 (movv4hi_i, movv2si_i): Likewise.
20140 (movsi_const): Adjust the second operand of ior so to match with
20141 the Csu constraint.
20142 (movdi_const, movdi_const_32bit): Likewise.
20143 (movdi_const_16bit+1): Don't sign-extend LOW.
20144 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
20146 (*double_shori): Fix the split condition. Use GEN_INT instead
20147 of get_int_mode calls. Mask lower 16-bit of the argument of
20149 (sym2GOTPLT): Remove.
20150 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
20152 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
20153 instead of EXTRA_CONSTRAINT_C16.
20155 2006-01-07 Ian Lance Taylor <ian@airs.com>
20156 David Edelsohn <edelsohn@gnu.org>
20158 PR rtl-optimization/25662
20159 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
20160 for constant operands instead of simplify_gen_binary.
20161 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
20162 after trying simplify_binary_operation
20164 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
20166 * tree.c (iterative_hash_expr): Hash decls based on UID.
20168 2006-01-06 Eric Christopher <echristo@apple.com>
20170 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
20171 (TARGET_UNWIND_EMIT): Fix spelling.
20172 * target.h (gcc_target): Add except_table_label.
20173 * except.c (output_function_exception_table): Use.
20174 * varasm.c (default_emit_except_table_label): New.
20175 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
20177 (asm_out): Add here.
20178 * output.h (default_emit_except_table_label): Prototype.
20179 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
20180 * config/darwin.c (darwin_emit_except_table_label): Define.
20181 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
20183 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
20185 PR tree-optimization/18527
20186 * tree-ssa-loop-niter.c (number_of_iterations_cond,
20187 number_of_iterations_special, number_of_iterations_exit):
20188 Move base and step of an iv to a single structure. Add
20189 no_overflow flag, and use it in # of iterations analysis.
20190 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
20191 folded_casts argument.
20192 (simple_iv): Pass base and step in a structure. Set no_overflow
20194 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
20195 Evaluate expensiveness of computing # of iterations instead of
20196 the final expression.
20197 * tree-scalar-evolution.h (affine_iv): New structure.
20198 (simple_iv): Declaration changed.
20199 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
20200 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
20201 find_givs_in_stmt): Changed due to simple_iv change.
20203 2006-01-06 Jeff Law <law@redhat.com>
20206 * tree-cfg.c (bsi_replace): Rename final argument from
20207 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
20208 change (stmt -> orig_stmt).
20209 * tree-eh.c (verify_eh_throw_stmt_node): New function.
20210 (bsi_remove): Add new argument. Remove EH information
20212 (verify_eh_throw_table_statements): New function.
20213 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
20215 * tree-optimize.c (execute_free_cfg_annotations): Verify
20216 the EH throw statement table after removing annotations.
20217 * except.h (verify_eh_throw_table_statements): Prototype.
20218 * tree-flow.h (bsi_remove): Update prototype.
20219 * tree-vrp.c (remove_range_assertions): Add new argument to
20221 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
20222 * tree-complex.c (expand_complex_div_wide): Likewise.
20223 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
20224 * tree-tailcall.c (eliminate_tailcall): Likewise.
20225 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
20226 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
20227 * tree-nrv.c (tree_nrv): Likewise.
20228 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
20229 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
20230 (combine_blocks): Likewise.
20231 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
20232 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
20233 (cleanup_control_flow): Likewise.
20234 (remove_forwarder_block): Likewise.
20235 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
20236 * tree-sra.c (sra_replace): Likewise.
20237 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
20238 (forward_propagate_single_use_vars): Likewise.
20239 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
20240 * tree-inline.c (expand_call_inline): Likewise.
20241 * tree-vect-transform.c (vect_transform_loop): Likewise.
20242 * tree-outof-ssa.c (rewrite_trees): Likewise.
20243 * tree-cfg.c (make_goto_expr_edges): Likewise.
20244 (cleanup_dead_labels): Likewise.
20245 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
20246 (bsi_move_before, bsi_move_after): Likewise.
20247 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
20248 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
20250 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
20253 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
20255 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
20256 on non gimple variables. Also add checks at the top for decls and
20258 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
20260 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
20261 and IMAGPART_EXPR for creating MUST_DEFs.
20262 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
20263 and NAME_MEMORY_TAG separately from the DECLs.
20265 2006-01-06 Richard Guenther <rguenther@suse.de>
20267 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
20268 annotation, if necessary.
20269 * tree-ssa-pre.c (create_expression_by_pieces): Remove
20270 redundant calls to update_stmt.
20271 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
20274 2006-01-05 Richard Henderson <rth@redhat.com>
20276 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
20278 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
20280 * c-typeck.c: Update copyright date.
20282 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
20284 * c-typeck.c (build_c_cast): Always warn when casting
20285 from a pointer to an integer of different size, even if
20286 the node was constant.
20288 2006-01-05 Richard Guenther <rguenther@suse.de>
20290 PR tree-optimization/22555
20291 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
20292 if one structure field is an array.
20293 * tree-ssa-operands.c (get_expr_operands): Continue scanning
20294 operands even if we found a subvar, but ignore VOPs in this
20296 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
20298 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
20300 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
20302 PR middle-end/24998
20303 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
20305 2006-01-05 Richard Guenther <rguenther@suse.de>
20306 Diego Novillo <dnovillo@redhat.com>
20308 * tree-pass.h (TODO_remove_unused_locals): Define.
20309 * gimple-low.c (expand_var_p, remove_useless_vars,
20310 pass_remove_useless_vars): Remove. Update all users.
20311 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
20312 (remove_unused_locals): New function.
20313 * tree-flow.h (remove_unused_locals): Declare.
20314 * passes.c (execute_todo): Call remove_unused_locals if
20315 TODO_remove_unused_locals is set.
20316 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
20317 * tree-ssa-dce.c (pass_dce): Likewise.
20318 * tree-outof-ssa.c (pass_del_ssa): Likewise.
20320 2006-01-05 Richard Guenther <rguenther@suse.de>
20322 * tree-flow.h (struct fieldoff): Decompose field to
20323 type, size and decl.
20324 * tree-ssa-alias.c (create_sft): Take type as parameter.
20325 (create_overlap_variables_for): Store type, size and decl
20326 in the fieldoff structure.
20327 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
20328 of struct fieldoff.
20329 (push_fields_onto_fieldstack): Likewise.
20330 (create_variable_info_for): Likewise. Use offset for the
20331 SFT name if the decl is not available.
20333 2006-01-04 Paul Brook <paul@codesourcery.com>
20335 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
20337 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
20339 * lambda-code.c (can_put_in_inner_loop): Relax
20341 (can_put_after_inner_loop): New function.
20342 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
20343 (perfect_nestify): Change to make copies and modify uses.
20345 2006-01-04 Richard Henderson <rth@redhat.com>
20347 Merge from gomp branch:
20348 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
20349 via integer constant.
20350 (pragma_lex): Remove.
20351 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
20352 rather than parsing it.
20353 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
20354 handle_pragma_extern_prefix): Add %< %> quotes.
20355 (registered_pragmas): New.
20356 (c_register_pragma_1): New.
20357 (c_register_pragma): Use it.
20358 (c_register_pragma_with_expansion): Likewise.
20359 (c_invoke_pragma_handler): New.
20360 (init_pragma): Use cpp_register_deferred_pragma directly for
20362 * c-pragma.h (enum pragma_kind): New.
20363 (pragma_handler): New.
20364 (c_invoke_pragma_handler): Declare.
20365 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
20367 * c-common.h (c_common_pch_pragma): Update decl.
20368 * Makefile.in (c-parser.o): Update dependencies.
20369 (GTFILES): Add c-pragma.h.
20370 * c-parser.c (struct c_token): Add pragma_kind.
20371 (struct c_parser): Add in_pragma.
20372 (c_lex_one_token): Always initialize keyword and pragma_kind.
20373 Extract data for CPP_PRAGMA.
20374 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
20375 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
20376 Don't allow CPP_PRAGMA_EOL if in_pragma.
20377 (c_parser_consume_pragma): New.
20378 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
20379 (c_parser_skip_to_end_of_parameter): Likewise.
20380 (c_parser_skip_to_end_of_block_or_statement): Likewise.
20381 (c_parser_skip_to_pragma_eol): New.
20382 (c_parser_external_declaration): Handle CPP_PRAGMA.
20383 (c_parser_compound_statement_nostart): Likewise.
20384 (c_parser_statement_after_labels): Likewise.
20385 (c_parser_pragma): New.
20386 (pragma_lex): Likewise.
20387 (c_parser_pragma_pch_preprocess): New.
20388 (c_parser_new): Merge into ...
20389 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
20391 2006-01-04 Jeff Law <law@redhat.com>
20394 * tree-cfg.c (bsi_replace): Remove the original statement
20395 from the EH throw statement table.
20397 2006-01-04 Jakub Jelinek <jakub@redhat.com>
20399 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
20400 make the prototype extern "C" and add throw ().
20403 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
20404 and pos non-negative and pos + len <= 32.
20405 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
20406 drop pos + len < HOST_BITS_PER_WIDE_INT test.
20407 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
20410 * c-common.c (handle_vector_size_attribute): Reject zero vector size
20411 as well as sizes not multiple of component size.
20414 * function.c (instantiate_expr): New function.
20415 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
20416 walk its DECL_VALUE_EXPR with instantiate_expr.
20418 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
20419 DW_OP_deref{,_size} if address isn't going to be added.
20421 2006-01-04 Ben Elliston <bje@au.ibm.com>
20423 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
20424 * config/fp-bit.c: Likewise.
20426 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
20428 * dominance.c: Add comment about why we use DFS numbering
20431 2006-01-03 Jakub Jelinek <jakub@redhat.com>
20432 Richard Henderson <rth@redhat.com>
20434 Merge from gomp-branch:
20435 * varasm.c (assemble_variable): Handle thread-local COMMON data.
20436 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
20438 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
20440 PR rtl-optimization/25578
20441 * combine.c (combine_simplify_rtx, force_to_mode): Don't
20442 pass a parameter to simplify_shift_const if changing ASHIFTRT
20445 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
20447 * builtins.c (get_builtin_sync_mem): New function.
20448 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
20449 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
20450 Call get_builtin_sync_mem to generate mem rtx.
20452 2006-01-03 Richard Guenther <rguenther@suse.de>
20455 * stmt.c (add_case_node): Make sure to clear overflow flags
20458 2006-01-03 Jakub Jelinek <jakub@redhat.com>
20460 Merge from gomp-branch.
20461 * config/sparc/sync.md: New file.
20462 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
20463 UNSPECV_LDSTUB): New constants.
20464 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
20465 * config/sparc/predicates.md (memory_reg_operand): New predicate.
20466 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
20469 2006-01-03 Roger Sayle <roger@eyesopen.com>
20471 * combine.c (reg_subword_p): New predicate to test whether the
20472 destination of a set refers to a subword/piece of a register.
20473 (try_combine): Generalize the code to merge the setting of a
20474 pseudo to a constant followed by a set of a subword of that
20475 register to a constant.
20477 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
20479 * basic-block.h (control_flow_graph): Change the type of
20480 x_label_to_block_map to VEC(basic_block,gc) *.
20481 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
20482 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
20484 * tree-ssa-propagate.c (cfg_blocks): Change the type to
20485 VEC(basic_block,heap) *.
20486 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
20487 ssa_prop_fini): Adjust the uses of cfg_blocks.
20489 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
20491 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
20493 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
20494 hashing trees instead of a pointer hash.
20495 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
20496 compare for MEM_EXPR.
20498 PR rtl-optimization/25130
20499 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
20500 when comparing MEMs for GCSE
20502 2006-01-03 Ben Elliston <bje@au.ibm.com>
20504 * targhooks.h (default_decimal_float_supported_p): Declare.
20505 * targhooks.c (default_decimal_float_supported_p): Define.
20506 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
20507 `default_decimal_float_supported_p'.
20508 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
20510 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
20512 * combine.c (apply_distributive_law <SUBREG>): Check
20513 TRULY_NOOP_TRUNCATION.
20515 2006-01-02 Geoffrey Keating <geoffk@apple.com>
20517 * dwarf2out.c (have_switched_text_section): Delete.
20518 (have_multiple_function_sections): New.
20519 (have_location_lists): Make 'bool'.
20520 (add_AT_loc_list): Use 'true' not '1'.
20521 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
20522 (output_loc_list): Use have_multiple_function_sections.
20523 (output_ranges): Likewise.
20524 (dwarf2out_begin_function): Set have_multiple_function_sections if
20526 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
20527 Check function_section rather than DECL_SECTION_NAME.
20528 (dwarf2out_finish): Use have_multiple_function_sections.
20529 Don't clear have_location_lists.
20531 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
20532 Jan Hubicka <jh@suse.cz>
20534 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
20535 case of conditional jump jumping to the next instruction.
20536 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
20537 cases of conditional jump jumping to the next instruction.
20539 2006-01-02 Jan Hubicka <jh@suse.cz>
20541 * i386.c (*_cost): Add COSTS_N_INSNS.
20542 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
20544 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
20547 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
20549 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
20551 * config/arm/arm.c (all_fpus): Fix comment typo.
20552 * config/darwin.c: Likewise.
20553 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
20554 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
20555 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
20557 2006-01-01 David Edelsohn <edelsohn@gnu.org>
20559 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
20560 (rs6000_split_compare_and_swapqhi): New.
20561 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
20562 (sync_compare_and_swapqhi_internal): New.
20563 * config/rs6000/rs6000-protos.h: Declare.